The overpass is collapsible. Do-it-yourself overpass: features of manufacturing different options. How to make a mini-overpass with a partial collision

Overpass - indispensable tool for inspection and repair of a passenger car. A small mini-structure is made at home with my own hands. It is important to observe all dimensions and focus on the dimensions of your car.

The need to install a mini-overpass. Device

A modern car is a technically complex device that requires periodic Maintenance, replacement of components and consumables, minor repairs. Many inexperienced motorists prefer to carry out a routine inspection of the car exclusively at a service station and pay out of pocket even for an oil change.

More experienced drivers do most of the work themselves. To do this, a homemade overpass is often installed in the garage - a structure with which you can examine the bottom of the car.

There are two types of overpasses:

To a first approximation, the functions of the overpass are similar inspection hole. It provides access to the underside of the car. However, when high level occurrence groundwater It is not advisable to equip an inspection hole at the site where the garage is being built: it will constantly be filled with water, which will require the installation of an additional drainage system, and corrosion will appear on the metal parts of the car due to increased moisture.

Full size overpass- This monolithic design, which can be found in auto repair shops and along busy highways. Its installation requires a lot of space - the length of the product is about six meters above the ground plus the driveway. The construction of such an option in your own private garage is justified if the building is designed for two parking spaces, one of which is empty.

A mini-overpass is a small portable structure designed for partial collision with a car. It is based on two independent parts that are not connected to each other. The car drives onto the prepared platform with its rear or front wheels, rises slightly above the floor or ground and allows the car owner to carry out an initial inspection or cosmetic repairs.

The advantage of a mini-overpass is the possibility of its use in limited space. After work it can be put aside. The main disadvantages of the design are as follows:

To enter the platform, pinpoint precision is required. Otherwise, the structure may overturn or the vehicle may be damaged.
Structural elements are installed in places where there is no possibility that they will diverge in different directions from the slightest push of the wheels.

General requirements

When manufacturing a standard overpass, a number of requirements must be met. This will help ensure convenient and safe operation of the vehicle.

The height of the full-size repair structure is about a meter. This allows you to easily climb under the car, provide a sufficient influx of natural light to inspect the chassis, and carry out the necessary manipulations with spare parts and tools. The height of the mini-overpass with partial access is about half a meter: it does not involve detailed disassembly of the car.
The width of the structure directly depends on the type and dimensions of the vehicle. You should not display the size down to the millimeter; when calculating the design, you need to make small allowances. The car must drive onto the platform without hindrance.
Mini overpasses are used for inspection and repair passenger cars. For a stationary structure, an additional margin of safety is provided. Thanks to this, the product does not deform over time. You can also roll fairly heavy vehicles onto it.

Material selection

There are many ways to make a do-it-yourself overpass or mini overpass for car repairs.

Brick construction

A brick overpass is a stationary structure that is more often used in rural areas or outside the city. Construction is carried out using the method brickwork on cement mortar. The width of the structure corresponds to the distance between the wheels of the car.

This method has a number of disadvantages:

It is necessary to allocate a plot of land for development. If the overpass subsequently needs to be removed, its dismantling will require considerable effort and time.
After some time, under the influence of overloads, the brickwork may collapse, which may require its dismantling.

Overpass made of sleepers

The structure is based on several railway sleepers. The sleepers laid one on top of the other in a “slide” style form two bases. Tracks are laid across to ensure access. To prevent the sleeper trestle from moving apart during operation, it is carefully secured with brackets.

This design also has certain disadvantages.

Sleepers are not so common in everyday life, and not every car owner has a few extra ones.
It is impossible to install and disassemble such an installation alone. The sleepers are too heavy.
Storage of railroad ties requires space.

The use of a trestle made of railway sleepers is justified in a country house or garden plot, when the structure is left on outdoors all year round. To protect against rotting, the product is impregnated with creosote.

Made of metal

Most often, the overpass is made of metal and wooden planks. Advantages of a metal overpass:

Mobility. If desired, the structure can be made collapsible and assembled only before starting repairs. This saves space.
Simplicity of design. You can assemble a metal overpass with your own hands using a minimum of tools.
Durability. With proper care and timely inspection, a metal trestle can last about ten years or more.

There are also some disadvantages. The metal is initially susceptible to corrosion, so before work the material must be treated with special impregnations.

Among the main advantages of a wooden trestle are the ease of assembly and low cost of materials. It is easy to install and, if necessary, can be quickly dismantled and removed. You don't need anything complicated specialized equipment, ordinary carpentry tools that are found in every home are enough. Among the disadvantages wooden structure One can note low durability, poor resistance to rotting and insects. These problems can be partially solved by treating with antiseptics, fire retardants and insecticides.

Tools and materials

Independent production of a wooden or metal overpass requires the availability of certain materials and tools. There is no need to purchase complex specialized equipment; it is enough to purchase household power tools, which are sold in every store.

What is needed to build a metal overpass

To make a regular metal overpass you will need following materials and tools:

Rolled metal.
Welding machine with a set of electrodes.
Grinder equipped with several cutting wheels.
Pieces of reinforcement.
Fasteners: bolts, nuts.
Metal paint for finishing the structure.

Materials and tools for a wooden overpass

To make the simplest portable wooden trestle you will need a minimum of materials and tools:

Boards 45–50 millimeters thick. If thinner boards are used, additional vertical supports are installed in the center of the overpass.
Two wooden blocks.
Two pieces of carriage plank.
Screws (150), nails (300), screwdrivers, hammer, wood saw.

Preparing for work and drawing up a drawing

Before making the overpass, it is necessary to carry out a number of measuring works. The mini-overpass consists of two independent installations. The width of each of them corresponds to a car wheel with a small margin. The gap between installations is equal to the distance between the wheels of the car. At this stage, tools, materials and work site are prepared.

All dimensions are approximate and calculated for each car model

DIY metal structure

If a metal overpass is planned to be used in several places, or is needed only occasionally, the structure can be made in a collapsible version. This will allow you to quickly assemble it as needed within half an hour.

The assembly of a metal overpass occurs as follows:

The bases of the cabinets are assembled. The blanks are cut based on the size of the car wheels. The blanks can be laid out on a sheet of chipboard or other flat surface and fixed at an angle of 90 degrees (you can use a regular construction angle to determine the angle). After all measurements, the workpieces are welded together.
All parts are connected at right angles
The racks are being assembled. The height is about half a meter, the angle is about 120 degrees. Fixed, scalded.
Angles and side walls must be equal
The upper supports of the pedestals are welded. To do this, the upper corners are connected to the racks, set at an angle of 90 degrees, and scalded.
The finished supports are connected to the base, set at right angles and welded.
After assembly, you can additionally weld the main components
The dead end of the cabinet is welded. This is necessary to prevent the car from driving further and turning over. The part is made from a corner 63*63*5 mm.
Reinforcing bars are welded to the finished cabinet. To adjust the distance between them, you can use the same corner 63*63*5 mm. The reinforcement sections are laid so that their “herringbones” intersect.
A regular construction corner with a side of 63 millimeters is used as a template.
Assembly of gangways (bridges). The blanks are cut and fixed with clamps on the corners. Sections of reinforcement are welded to the corners, the distance can be determined using a template corner, the “herringbones” intersect. The corners are welded to the workpieces.
The car will drive onto the overpass using these bridges
The final stage is fitting. On level ground, both parts of the overpass are placed close to each other. The centers of the bollards are marked, the structure is adjusted to the width of the car. Holes are drilled in the ladders and cabinets, after which the elements are connected to each other using bolts. Thanks to the bolted connection, the overpass can be easily disassembled and reassembled later.

The finished structure is cleaned with a metal brush, degreased and painted.

The finished design will look something like this

Making a wooden mini-overpass

The simplest wooden overpass is assembled from two pairs wooden beams with a cross section of 20–20 cm. The beams are knocked together in pairs and cut at an oblique angle. The improvised overpass is ready.

An improved wooden overpass is assembled from scraps of boards, which are assembled into a wide “pyramid shield”. On one side there is a stepped slope for cars to drive in.

Another version of a mini-overpass is assembled from four 50-mm boards, two blocks, lining and fasteners.

A similar design is used for repairing passenger cars. For heavy transport it is worth installing a stationary overpass.

Video: Assembling a metal structure

Every car owner can make a mini-overpass on his own. It is very important to check the strength of the structure before driving a car onto it and starting repair work.

The landscaping of a personal plot can be considered complete if, for the “full set”, an overpass for car repairs is independently constructed. The dizzying designs of overpasses amaze with their brevity and the ability to use the simplest metal products. Do you dream of making a flyover with your own hands? What could be more exciting!

“Personal car service” services

Almost every homeowner dreams of having their own personal plot attractive, practical and functional. And if the homeowner is also a passionate car enthusiast, then you simply cannot do without an overpass designed for on-site car repairs.

Even if you do not plan to service the car yourself, periodic inspection will help you identify problems in a timely manner and contact a professional workshop. To access the car, use special lifts, an inspection pit and an overpass. However, expensive special equipment and an inspection pit equipped according to all the rules are strictly the prerogative service centers, which requires significant material costs.

An overpass for a car, on the contrary, can be installed anywhere on the site, almost next to the potato beds, and mind you, with your own hands. You can make a car overpass for cars and trucks. The scope of use and application of such an overpass can be expanded and it will be possible to use the services of a “personal car service” at any time of the day or year.

Overpass structures

Structurally, the following types of overpasses are distinguished:
for partial car check-in
full-size overpass.

Naturally, depending on the size of the overpass structure and bearing capacity to withstand the load, these types of overpasses are used for a certain weight of cars. The only condition will be to limit the size of the overpass for your existing passenger car or two.
The classic design of an overpass (practically from the words of a driving instructor) has a certain height, width and length of the working part, limited by a bevel, as well as on the sides of the walkway.

overpass designed for partial entry of cars

The overpass for partial entry of cars (portable and mini) is a lightweight portable structure consisting of separate parts that are not welded together. Portable and mini overpasses are installed without a foundation. Access to this overpass for subsequent vehicle inspection is possible with front or rear wheels.

This type of overpass for cars is easy to install and also easy to remove, allowing you to save space on the site. However, for a successful ride on the structure, the driver’s dexterity and dexterity will be required.
Main parameters of the overpass:
height – at least 1 m.
width – 2.5 m.
bevel length – 4.2 m.
Structurally, a portable or mini overpass consists of four parts.

The overpass is easily assembled and disassembled, and also transported to the required location, so for the sudden diagnosis of a capricious car, such an overpass is indispensable, especially in “field conditions”. In practice, sometimes it is necessary to make two overpasses in order to raise the front or rear of the car to the required height (clearance plus the height of the overpass).

This is what a self-made overpass used for a partial drive looks like.

full-size overpass

Of course, a full-size overpass is more convenient and reliable construction, for the construction of which it is necessary working space. But a full-size overpass will more than recoup the costs of its construction in the future.

The main parameters of a full-size overpass are similar to the parameters of portable and mini overpasses:
height – 1 m or more
width up to 2.5 m.
length of the working part – 4-6 m.
the length of the bevels on both sides is 4.2 m.
Let us make a reservation right away that the dimensions of a full-size overpass for passenger cars are not a constant value.

Therefore, a full-size overpass is made taking into account the safety margin and additional allowances, which will serve well in the future. In addition, a full-size overpass can be successfully used as an inspection overpass for a car by equipping an inspection hole.

How to make a car overpass with your own hands

Theoretically, you can make an overpass for a car from any available material. The materials used are boards, bricks and used tires. But such temporary measures can only be justified in extreme cases.

Therefore, for the main load-bearing elements and tracks of overpasses, rolled metal is used that can withstand significant daily loads. This is a metal channel, corners and a profile pipe. These types of rolled metal can withstand significant bending loads.

how to make a mini overpass

To make a mini overpass you will need the following materials:
steel corner, thickness not less than 10 mm
metal rod.
as well as electrodes for welding and a welding machine. We choose the shape of the mini overpass supports as a “trapezoid”, with the base 15-20 cm larger than the top. The access ladder is made from steel corners onto which pieces of rod are evenly welded on both sides.

It is preferable to choose a corrugated surface of the rod so that the car wheels do not slip when going up and down the overpass.

The load-bearing elements of the overpass on which the ladder is attached must have a width of 45-50 cm. The car is secured with special gaskets that prevent the car from unintentionally moving out. After welding, the overpass structure is painted with anti-corrosion paint.

A mini overpass for car repairs is presented in this video.

how to make a full-size overpass

Initially, a site is selected on the site where there is no swelling of the soil, groundwater and soils do not have a water-saturated layer. Prepare holes for the base of the overpass - pillars or steel pipes with a diameter of up to 10 cm.

The number of pipes for the base of a full-size overpass is calculated based on a preliminary working sketch. Pits with installed pipes are cemented. TO installed pipes or a channel is welded to the pillars to enhance the load-bearing capacity.
It is also recommended to use rolled metal (channels, angles and profile pipes) as load-bearing elements for walkways. Then the rolling plane is made: reinforcement and cut rods are welded across the load-bearing elements on both sides.

The width of the rolling plane path must be at least 0.5 m. The resulting welded structure is placed on special supports of the required height (1 meter). To make the drive-in platform and stairs, use an L 50 corner welded with reinforcement. It is preferable to protect the edges of the paths with a corner, preventing the car from slipping.

Every car enthusiast should ideally have an overpass. This structure is necessary because a car is not always a means of transportation - in some cases it may require repairs. That is, the driver has a lot to do various actions: lie down on the floor, inspect the bottom of the car, etc. When performing this work, you will have to be under the vehicle, which is not very convenient. To simplify the task, it is worth thinking about building an overpass.

How to make an overpass

In order to construct such an important structure for repair on your own, you must first acquire necessary products: special bridges, supports for them. You will also need bricks, sleepers, and cement. It is no secret that an overpass is a structure that can be of various types.

First, let's look at a portable overpass. It is not difficult to build - you need to find unnecessary (possibly old) bridges for the overpass (two are needed). The height of these supports should be about 50 cm. The length of the bridge is usually equal to a meter (or a little more). You will need two of them. The length of the second should be 40 cm. These parts are connected by means of hinges - they are represented by a finger rod. This method is perfect for organizing an overpass - practical and robust construction, which is very easy to disassemble if necessary. When the car repair work is completely completed, it can be easily put aside.

Inspection pit - an alternative to an overpass

We are talking about standard known method organize overpasses for car repairs. They make a hole, the size of which is approximately the same (they also take into account the additional distance in width so that the working conditions are comfortable). To put it simply: the length of the pit depends entirely on the dimensions of the machine. Its walls and bottom must be covered concrete mortar. This ensures protection from moisture and dirt. You can use modern waterproofing materials- this will also help to avoid problems during operation.

Before constructing an inspection hole, you should definitely check how they are located and where they lie. If they still exist, it is better to refuse to build a pit - there are plenty of practical overpass structures without this. It is imperative to remember to strengthen the walls of the pit - otherwise, collapse may always occur. To make access to the pit convenient for inspecting the bottom of the machine, a ladder should be built. When no work is being done, everything is covered with slate (or some other material).

using a brick structure

Such an overpass is a structure for the manufacture of which the most ordinary bricks are used. They are connected into an arched single installation, the width and length of which must correspond to the parameters of the car. Then they cement what happened. There is one drawback that needs to be taken into account - after some time, the cement may begin to crumble. It is better to prevent this phenomenon in time. However, this overpass for a car is quite appropriate somewhere in the garden or on the territory summer cottage- anyway, you usually can’t find a better solution there. You can build something else in the courtyard of the house; a brick option is unlikely to be appropriate.

Construction of an overpass using sleepers

The most simple options we discussed above. The time has come to describe a serious means - an overpass made of sleepers. This design is highly durable. For its construction you only need one thing - railway sleepers. Before construction, this material is necessarily impregnated with creosote - a special substance that is necessary to prevent various negative phenomena: the appearance of fungi, the development of rotting processes. Thanks to impregnation, the car overpass will last much longer.

So, to carry out construction, you need to have several sleepers. They are usually laid out on some hill prepared in advance, or made directly from the elements. It is important that it is about 500 cm in length and at least 260 cm in width. Several people must participate in the construction - individual elements quite heavy. The weight of the whole structure will be much greater - it will not be possible to lift it alone.

Types of overpasses

All car overpasses can be divided into two large categories - only for lifting some part of the car and for a full drive. It all depends on the ability to withstand the load, on the overall dimensions of the structure. A durable overpass is a device where a channel is used as load-bearing elements. These types of rolled metal can withstand very high bending loads - they are usually laid along the rolling direction. Before construction, the standard size of all load-bearing elements is determined. It is also important to make a certain margin of safety before erecting the structure.

If you don’t have an inspection hole for your car, you can replace it with a flyover you made yourself in the garage or at your dacha. To do this you will need a couple of sleepers and a few thick boards or some scrap metal, a welding machine and a grinder. Of course, a pit in a garage is more convenient, but for various reasons not every garage can be equipped with one. The proximity of underground communications or groundwater can interfere, and then, if you want to repair your personal car, the solution for you will be to build an overpass with your own hands.

Types of overpasses

Depending on the size, there are two types of overpasses for cars:

For access to one vehicle axle.
For entry of the entire car.

Mini overpass the first category is usually collapsible and requires small quantity material to make it yourself. It is mobile, but not as convenient for do-it-yourself car repairs as a full-size one. The inconvenience of a mini overpass is that due to its small height Carrying out car repairs with your own hands with its help is far from being possible at full height.

There are two types of devices that provide access to both the front and rear of the machine:

Installed on level ground. Entry to their repair site takes place at best case scenario at an angle of about 30° to the horizontal.
Located on a slope. Entry to them occurs without climbing up (horizontally).

For those who want to make a mini overpass for car repairs with their own hands, we present the simplest design, which does not require drawings to repeat.

So, to make the simplest mini overpass for a car with your own hands, you need to lay two pairs of sleepers in pairs with their side surfaces facing each other and connect the sleepers of each pair to each other using steel brackets. Turn them over with the staples facing down and cut one end of each pair at an angle of about 30° to the horizontal for ease of entry. Lay the pairs parallel to each other, in accordance with the track width of your car, with the cut ends facing the same direction. The portable mini overpass is ready. The height of such a structure is adjusted by placing scraps of boards of suitable thickness under the rectangular ends of the sleepers. To prevent the car from rolling off the overpass, make shoes from scraps of boards and place them under the wheels during repairs. In order not to fall from the structure when entering it, attach two pieces of board to the ends of the sleepers so that they stick out slightly upward.

To work under the car on such an overpass, be sure to get a piece of thick felt or at least an old cotton blanket. Don't leave your health on the concrete floor.

To those who say that the car can be raised to such a height, I will object that if you put thick blocks under it, then not every jack can lift it that much, and secondly, it’s much safer than using a jack.

Full size design

For those who do not want to endure the inconvenience of repairing their car, we suggest making a full-size version with your own hands. It will be more convenient for you to drive onto it if you build it on a slope. And it will take less boards. So it makes sense to find a place for her on the slope. Of course, it is better to make the overpass from metal: it is stronger, does not absorb oil and does not rust as quickly as wood rots. But if you have wood in stock, then the choice of material is obvious; don’t buy rental material.

Metal installation

Two can be used as supports steel pipes with a diameter of at least 150 mm. They should be buried in the ground below its freezing level, otherwise the height of the overpass with the onset of winter will increase and decrease in the spring. After installing the supports, the pits should be compacted with broken bricks, or better yet, concreted. If the depth of soil freezing in your area is small, bury the supports into the ground at least a meter. The height of the supports above the ground depends on your height, but should not be lower than 1.5 meters.

They should be installed at a distance of about 5 meters from the intended entrance to the overpass, and at a distance from each other equal to the track of your car. Place a piece of channel about 150 mm wide on top of the supports, edges down; its length should be 50 cm greater than the track width of your car. Weld the channel to the supports. After this, for lateral stability of the structure, connect the supports crosswise with two corners. Place four corners with ribs of at least 7.5 cm, about 5 m long, in pairs parallel with the ribs facing each other, and fill the space between each pair with pieces of reinforcement 50 cm long and weld them to each, maintaining a right angle. Place the resulting ladders so that one side of each is on the edge of the channel, and the other on the ground. Check their horizontalness using a level. And also set the width between the centers of the edges lying on the ground, which should be equal to the track of your car. Weld them to the channel, and to them stops to prevent falling vehicle, and congratulations, you have welded a steel overpass with your own hands.

Features of a wooden structure

Instead of a pipe, two pieces of timber with a cross-section of at least 15 × 15 cm are used as supports.
Parts of supports dug into the ground must be impregnated with creosote or at least mining for durability.
Each ladder should be assembled from two boards 5 cm thick, one of them 10 to 15 cm wide should be placed on its edge. Place the other one, about 40 cm wide, flat on top and nail it to the first one with nails or screw it with screws.
In each beam it is necessary to make one cut 5 cm wide and deep in accordance with the width of the boards placed on edge. The cuts are made in order to insert the lower boards of the ladders into them. The crossbar should be attached to the supports not from the top at the ends, but from the front, just below the ladder board coming out of the cut.
The supports can be made by screwing two pieces of block wood onto the supports with self-tapping screws, so that they stick out above the ladders.
To reduce the likelihood of wheels slipping from the edges of the ramps, it is advisable to make ribs. One option is to attach a board about 2 cm thick and 10 cm wide to the end of the top board of the ladder. It is better to fasten it with self-tapping screws with flat heads 50 mm long.
Below the crossbar, for lateral stability of the structure, the supports must be fastened together crosswise with two boards.

The overpass is an indispensable tool for inspecting and repairing a passenger car. A small mini-structure is made at home with your own hands. It is important to observe all dimensions and focus on the dimensions of your car.

The need to install a mini-overpass. Device

A modern car is a technically complex device that requires periodic maintenance, replacement of components and consumables, and minor repairs. Many inexperienced motorists prefer to carry out a routine inspection of the car exclusively at a service station and pay out of pocket even for an oil change.

More experienced drivers do most of the work themselves. To do this, a homemade overpass is often installed in the garage - a structure with which you can examine the bottom of the car.

There are two types of overpasses:

To a first approximation, the functions of the overpass are similar to the inspection pit. It provides access to the underside of the car. However, if the level of groundwater is high at the site where the garage is being built, it is not advisable to equip an inspection hole: it will constantly be filled with water, which will require the installation of an additional drainage system, and corrosion will appear on the metal parts of the car due to increased moisture.

A full-size overpass is a monolithic structure that can be found in auto repair shops and along busy highways. Its installation requires a lot of space - the length of the product is about six meters above the ground plus the driveway. The construction of such an option in your own private garage is justified if the building is designed for two parking spaces, one of which is empty.

The advantage of a mini-overpass is the ability to use it in limited space. After work it can be put aside. The main disadvantages of the design are as follows:

To enter the platform, pinpoint precision is required. Otherwise, the structure may overturn or the vehicle may be damaged.
Structural elements are installed in places where there is no possibility that they will diverge in different directions from the slightest push of the wheels.

General requirements

When manufacturing a standard overpass, a number of requirements must be met. This will help ensure convenient and safe operation of the vehicle.

The height of the full-size repair structure is about a meter. This allows you to easily climb under the car, provide a sufficient influx of natural light to inspect the chassis, and carry out the necessary manipulations with spare parts and tools. The height of the mini-overpass with partial access is about half a meter: it does not involve detailed disassembly of the car.
The width of the structure directly depends on the type and dimensions of the vehicle. You should not display the size down to the millimeter; when calculating the design, you need to make small allowances. The car must drive onto the platform without hindrance.
Mini-overpasses are used for inspection and repair of passenger cars. For a stationary structure, an additional margin of safety is provided. Thanks to this, the product does not deform over time. You can also roll fairly heavy vehicles onto it.

Material selection

There are many ways to make a do-it-yourself overpass or mini overpass for car repairs.

Brick construction

A brick overpass is a stationary structure, which is more often used in rural areas or outside the city. Construction is carried out using the bricklaying method using cement mortar. The width of the structure corresponds to the distance between the wheels of the car.

This method has a number of disadvantages:

It is necessary to allocate a plot of land for development. If the overpass subsequently needs to be removed, its dismantling will require considerable effort and time.
After some time, under the influence of overloads, the brickwork may collapse, which may require its dismantling.

Overpass made of sleepers

This design also has certain disadvantages.

Sleepers are not so common in everyday life, and not every car owner has a few extra ones.
It is impossible to install and disassemble such an installation alone. The sleepers are too heavy.
Storage of railroad ties requires space.

The use of an overpass made of railway sleepers is justified in a summer cottage or garden plot, when the structure is left outdoors all year round. To protect against rotting, the product is impregnated with creosote.

Made of metal

Most often, the overpass is made of metal and wooden boards. Advantages of a metal overpass:

Mobility. If desired, the structure can be made collapsible and assembled only before starting repairs. This saves space.
Simplicity of design. You can assemble a metal overpass with your own hands using a minimum of tools.
Durability. With proper care and timely inspection, a metal trestle can last about ten years or more.

There are also some disadvantages. The metal is initially susceptible to corrosion, so before work the material must be treated with special impregnations.

Among the main advantages of a wooden trestle are the ease of assembly and low cost of materials. It is easy to install and, if necessary, can be quickly dismantled and removed. You do not need complex specialized equipment; ordinary carpentry tools that are found in every home are sufficient. Among the disadvantages of wooden structures are low durability and poor resistance to rot and insects. These problems can be partially solved by treating with antiseptics, fire retardants and insecticides.

Tools and materials

What is needed to build a metal overpass

To make a regular metal overpass, you will need the following materials and tools:

Rolled metal.
Welding machine with a set of electrodes.
Grinder equipped with several cutting wheels.
Pieces of reinforcement.
Fasteners: bolts, nuts.
Metal paint for finishing the structure.

Materials and tools for a wooden overpass

To make the simplest portable wooden trestle you will need a minimum of materials and tools:

Boards 45–50 millimeters thick. If thinner boards are used, additional vertical supports are installed in the center of the overpass.
Two wooden blocks.
Two pieces of carriage plank.
Screws (150), nails (300), screwdrivers, hammer, wood saw.

Preparing for work and drawing up a drawing

All dimensions are approximate and calculated for each car model

DIY metal structure

The assembly of a metal overpass occurs as follows:

The finished structure is cleaned with a metal brush, degreased and painted.

The finished design will look something like this

Making a wooden mini-overpass

The simplest wooden overpass is assembled from two pairs of wooden beams with a cross-section of 20–20 cm. The beams are knocked together in pairs and cut at an oblique angle. The improvised overpass is ready.

An improved wooden overpass is assembled from scraps of boards, which are assembled into a wide “pyramid shield”. On one side there is a stepped slope for cars to drive in.

Another version of a mini-overpass is assembled from four 50-mm boards, two blocks, lining and fasteners.

A similar design is used for repairing passenger cars. For heavy transport it is worth installing a stationary overpass.

Video: Assembling a metal structure

Every car owner can make a mini-overpass on his own. It is very important to check the strength of the structure before driving a car onto it and starting repair work.

A garage overpass is a very popular device. Many car enthusiasts periodically carry out technical inspections and repairs of their personal vehicles.

If visual inspection of the body or some car components can be performed without an overpass, then diagnosing the condition of the bottom and the components located under it is very difficult. This article will tell you how a garage overpass is made.

To carry out high-quality and comfortable repairs and maintenance of your car, it is necessary to properly organize the workplace, especially to ensure its safety for people. For this purpose, a variety of different ones are built, tippers or other devices are purchased.

An inspection hole for car repairs is made in the garage itself or simply in an area that can be:

On a dacha area.
On a personal plot.

When constructing such a structure, in order to strengthen the earthen foundation, you need inner layer Cover the device with bricks or cover it with boards.

Advice: To make it easier for the driver to work, the descent into the pit should be laid out with steps and handrails should be attached.

A homemade overpass installed in the garage in the absence of an inspection hole also helps to improve the performance of work. Such designs may have different types, configurations and base.

An overpass, most often, is a special device that rises above the ground, serving for periodic inspection of the vehicle and, if necessary, repairs. The purpose of the device is the same as that of the inspection pit.

A homemade overpass is a necessary attribute of any garage. Very often there are circumstances when it is not possible to equip a pit.

This may be related:

With close proximity to groundwater.
Unfavorable soil characteristics.

In this case, making a car overpass will help you easily find a way out of your predicament.

Advantages of the design compared to conventional inspection hole, are:

Availability larger area for carrying out work.
Lots of light.
More comfortable.
No dampness.
There is no darkness.
The bridge for cars is not flooded by melt and groundwater.
When performing work there is no need to stay in the ground for a long time.

For a garage, you can use the following options for overpasses:

Portable.
Having the appearance of a viewing hole.
Made of brick.
Constructed from sleepers.

For the manufacture of structures the following is selected:

Wood.
Metal.

Tip: The main feature of a homemade overpass is the presence of a solid base, which allows you to minimize the likelihood of a car falling. To make it, you should only choose quality materials high strength.

The overpass in the garage can be located:

In the corner.
Near the wall. The front of such a structure should be blocked by a fence that will prevent the machine from rolling away.
The overpass can be a kind of continuation of the unhindered movement of the car from the parapet, which requires increasing its length.

Features of overpasses for gates

Based on the listed advantages, car enthusiasts often prefer to use homemade overpass, which allows you to conveniently solve many problems and eliminate breakdowns that have arisen in the car.

Structures can be made with bases of varying complexity:

Welded products require special equipment and welding skills.
A simpler device is called a “ladder”, which consists of two small ladders made of wood. The car drives its wheels onto them, and the part needed for inspection rises to a certain height. On such an overpass it is possible to carry out the necessary amount of repair work.

The construction is not so difficult to do on your own. To do this, you will need to prepare boards approximately 50 millimeters thick and square bars 100 millimeters long on each side.

The optimal height of such devices is 15 centimeters, which is enough to perform repair work V in full. The portable overpass allows all driver manipulations to be completely safe.

After driving onto the created plane, the car is located in a horizontal position, which ensures the stability of such a structure.

Advice: When on an overpass, the driver needs to be on the safe side: put the car on the handbrake, and put any stop under the wheels that will impede movement.

How to make a flyover from various materials

For car owners in rural areas or who spend a lot of time driving suitable for a dacha a variant of the construction made of brickwork with cement mortar. The design has the form of a trapezoid with a width equal to the distance between the wheels of the car.

Disadvantages of such an overpass:

We need a site for its construction.
Over time, the brick will begin to deteriorate.
To free the site, the structure will need to be dismantled, which will require significant effort and time from the owner.

Overpass made of railway sleepers

The overpass can be assembled from railway sleepers.

In this case, two bases are laid out by laying sleepers on top of each other in the form of a slide, as shown in the photo. Tracks for driving are laid across.

To ensure the reliability of the structure, it is fastened with staples.

Disadvantages of such an overpass:

Not everyone has the required supply of sleepers.
The sleepers are quite heavy, which makes it impossible for one person to assemble and disassemble such a structure.
After the completion of the repair work, you will need a lot of space to store sleepers.

When constructing this structure on your site, they can be left under open air. Wooden sleepers are usually impregnated with creosote, which protects the wood from rotting.

Metal overpasses are more popular.

How to make a metal overpass

The metal overpass is universal. It can also be used in city garages.

To make the design you will need:

Rolled metal.
Welding machine.
Any fittings.
Grinder with a set of cutting wheels.
Hardware.
Metal paint

If desired, the overpass can be made collapsible, which will allow it to be quickly assembled if necessary.

The instructions are as follows:

Four base stands are assembled, approximately 50 centimeters high. To ensure stability, the sides should be assembled in the form of a trapezoid and connected to them of the same length with crossbars from an equal angle 63x5. Bridges can be made from a 40x4 corner and reinforcement with a diameter of 12 millimeters. The bridges are an ordinary metal ladder.
Two bridges for driving a car and two bridges for placing a car during repairs are made. The minimum length of the latter is calculated by measuring the distance between the centers of the car's wheels and adding a small allowance to it.
All elements are bolted together, which allows you to quickly assemble or disassemble the structure.

If there is very little space in the garage, you can make a mini-overpass that allows you to partially lift the car, and its price is minimal. To make the most basic version of a mini-overpass, you can use wood or metal.

To work you will need:

Board 50 millimeters thick.
Wooden slats with a cross section of 100x100 millimeters. The lifting height of the vehicle depends on the cross-sectional dimensions.

The order of assembly of the structure:

A block is fixed on the top of the board, which acts as a restriction on the movement of the wheels.
On the other side two are attached wooden bars: one a little further from the middle, the other from the edge of the board.

At least two of these devices are needed, and four elements are needed to lift the entire car off the ground. The operating principle of the overpass is as follows.

When installing the structure under a car wheel, it will rest on the ground at two points:

The front part of the board and a block fixed closer to the middle.
After the car wheel hits the board, the center of gravity will shift closer to the end of the board, its front edge will rise, and the rear part will lower.
Making bars of the same cross-section will allow the board to take a horizontal position.

Tip: The length of the board should be chosen so that it does not hit the bottom of the car.

The wheels remaining on the ground are fixed with special stop blocks.

The video shows in detail what types of overpasses there are and how to make them.

“Personal car service” services

Almost every homeowner dreams of seeing their own garden plot attractive, practical and functional. And if the homeowner is also a passionate car enthusiast, then you simply cannot do without an overpass designed for on-site car repairs.

Even if you do not plan to service the car yourself, periodic inspection will help you identify problems in a timely manner and contact a professional workshop. To access the car, use special lifts, an inspection pit and an overpass. However, expensive special equipment and an inspection pit equipped according to all the rules are strictly the prerogative of service centers, which require significant material costs.

Overpass structures

Structurally, the following types of overpasses are distinguished:
for partial car check-in
full-size overpass.

Naturally, depending on the size of the overpass structure and the load-bearing capacity, these types of overpasses are used for a certain weight of cars. The only condition will be to limit the size of the overpass for your existing passenger car or two.
The classic design of an overpass (practically from the words of a driving instructor) has a certain height, width and length of the working part, limited by a bevel, as well as on the sides of the walkway.

overpass designed for partial entry of cars

The overpass is easily assembled and disassembled, and also transported to the required place, so for the sudden diagnosis of a capricious car, such a overpass is indispensable, especially in “ field conditions" In practice, sometimes it is necessary to make two overpasses in order to raise the front or rear of the car to the required height (clearance plus the height of the overpass).

This is what a self-made overpass used for a partial drive looks like.

full-size overpass

Of course, a full-size overpass is a more convenient and reliable structure, the construction of which requires working space. But a full-size overpass will more than recoup the costs of its construction in the future.

How to make a car overpass with your own hands

how to make a mini overpass

To make a mini overpass you will need the following materials:
steel corner, thickness not less than 10 mm
metal rod.
as well as electrodes for welding and a welding machine. We choose the shape of the mini overpass supports as a “trapezoid”, with the base 15-20 cm larger than the top. The access ladder is made of steel corners, onto which pieces of rod are evenly welded on both sides.

It is preferable to choose a corrugated surface of the rod so that the car wheels do not slip when going up and down the overpass.

A mini overpass for car repairs is presented in this video.

how to make a full-size overpass

The number of pipes for the base of a full-size overpass is calculated based on a preliminary working sketch. Pits with installed pipes are cemented. A channel is welded to the installed pipes or poles to enhance the load-bearing capacity.
It is also recommended to use rolled metal (channels, angles and profile pipe). Then the rolling plane is made: reinforcement and cut rods are welded across the load-bearing elements on both sides.

Design features of many cars and their specifications involve regular preventive inspection and repair of various components and systems. What can you do, it's just a machine and like any equipment, it requires care and attention. However, if in some cases it is possible to carry out repair work from above by lifting the hood, then any inspection of the suspension and chassis becomes a real pain if there is no inspection hole or overpass. It’s quite expensive to constantly take your four-wheeled friend to a car service center, and it’s not necessary, because many of the jobs can be done with your own hands. Therefore, installing an overpass for cars is a top priority for any car owner who cares about uninterrupted operation your car.

Requirements for the overpass

In order to ensure safety and ease of operation, it is better to make the overpass taking into account the following requirements:

The height of the overpass for car repairs must be at least 1 meter. Otherwise, it will be very difficult for you to get under it, there will not be enough light to inspect the chassis, and there will be no free space for manipulating parts and keys.
The width depends on the type of vehicle (truck, passenger car), but should not be minimal, centimeter per centimeter. It is necessary to make allowances in the calculations so that the car can drive onto such a platform without problems.
For greater reliability, it is necessary to provide a safety margin when constructing an overpass. This will help not only to avoid deformation of the structure, but also, if necessary, to roll heavier vehicles onto it.

Types of inspection platforms for cars

In principle, there are only two options for arranging an overpass on your site. Each of them has its own pros and cons and manufacturing features.

Mini overpass, is a portable structure for partial collision. Consists of two separate parts that are not welded together. The car can drive onto such a platform with its front or rear wheels, allowing the owner to carry out repair work.

Plus - this overpass can be used even in conditions of severe shortages free space and after repairs, put it aside. The downside is that driving onto the structure requires pinpoint precision and the elements need to be installed only in places where they will not move in different directions from the push of the wheels.

Full size overpass much more convenient and reliable, but its construction will require free space. But it will last for decades, saving its owner a lot of money, because many repairs can be done at home. The advantage of this design is reliability, strength and durability. The downside is the need to allocate free space and slightly higher costs for materials.

DIY mini overpass for a car

In order to make a mini overpass with your own hands you will need:

Steel corner with a thickness of at least 10 mm;
Metal rod;
Electrodes for welding;
Welding machine;
Paint to protect finished metal structures from corrosion.

The load-bearing elements, the “heels” on which the access ladder will be attached, should have a width of about 40-45 cm. The supports are welded in the form of a trapezoid, where the bottom, the base, is 10-15 cm wider than the top. This is necessary to give stability to the structure. The access ladder is made of two pieces of angle with a transversely welded rod, which allows the wheels not to slip when climbing onto the structure.

To fix the car in the desired position, it is necessary to make special gaskets, which are used to prevent the car from spontaneously sliding off the overpass. After completion of the work, the entire structure is painted.

Full-size car repair overpass

Even at the stage of choosing a site for construction, it is necessary to determine the size of the overpass for passenger cars. Since the width of the car and the required length of the platform are not constant values, there is not and cannot be a single size. Today you may have a small subcompact car, tomorrow a huge jeep or a small truck. Therefore, the overpass must be made with a good margin of safety and allowances.

At the first stage of the construction of the overpass, steel pipes (6 pieces) with a diameter of at least 80-100 mm are dug to a depth below freezing of the soil. If you go deeper, there is too great a risk that the structure will move to the side during the first spring thaw. The hole under the post is not filled with soil, but filled with cement.

The inclined part (drive) is made from metal corner with transverse welding of steel rod. The distance between the rods is about 10 cm.

The horizontal plane is performed in the same way, only at the end of the overpass it is necessary to make a limiter that will protect the car from uncontrolled sliding forward.

As a rule, the length of the inclined part is up to 4 meters, and the horizontal plane is up to 3 meters. This is quite enough to repair a passenger car of any make and design.

As you can see, the question of how to make an overpass for a car with your own hands is solved quite simply.

This requires simple skills in working with welding machine and some free time. But the result will surpass all expectations and you can not only repair your car to your heart’s content, but also wash it from all sides.

If you own your own car and garage, but prefer to at least occasionally look under your car yourself, then the following is for you. Typically, inexperienced drivers prefer to carry out inspections only at a service station and give their hard-earned money to “specialists”, but even carrying out minor work on changing oil, consumables, monitoring the condition of the units and mechanisms of your car can save your budget. A do-it-yourself overpass made in a garage is the best way out of this situation.

Let's look at the statistics of a survey on the topic of whether it is difficult to make an overpass in a garage with your own hands. 66% of respondents answered that it is quite simple; 14% believe that it is simple, but with minor problems; 16% said it is not easy and will require skills in this area; for 4% this is a very difficult task.

Depending on the size of the garage and the model of the car, you can choose an overpass option that will meet your needs.

Overpasses can be divided into 2 types:

for full vehicle entry;
for partial lifting of the vehicle.

The first type will provide more comfortable working conditions for car maintenance than the second.

Overpass options for full vehicle entry

Such a statement will be correct from the point of view of the meaning of this word. But the function of the pit is the same as that of the overpass - to provide access to the bottom of the car.

The advantage of the pit is that it will not take up useful space in the garage.

If the groundwater level in the area where your garage is located is high, then it is not advisable to consider the issue of an inspection hole.

Otherwise you will have to do extra drainage system(which is very troublesome and expensive), and the bottom of your car will be subject to constant corrosion due to moisture that will collect in the hole.

As a result, you will have to fill it up and consider other options.

Brick overpass

This option is suitable for those who have a garage in a rural area or in the country. This design is carried out by simply laying bricks on cement mortar - along the width of the distance between the wheels of the car in the form of a trapezoid.

The disadvantages of this type of overpass are obvious: a site is required for its construction; brick may deteriorate over time; If you need to vacate the site, dismantling the structure will require significant effort and time from you.

Overpass made of railway sleepers

This overpass is assembled from several railway sleepers, like a children's construction set.

You can lay out 2 bases by stacking sleepers one on top of the other in the form of a slide. Lay tracks across for driving.

To prevent the structure from moving apart during the repair of your car, it must be secured with staples. The disadvantages of this overpass are obvious.

Firstly, not everyone has sleepers in stock. Secondly, sleepers are very heavy; one person will not be able to assemble and disassemble such a structure. Thirdly, after completing automotive repair work, you need a lot of space to store sleepers.

Of course, if you are building this design in the garden plot, you can leave them in the open air. Sleepers are usually impregnated with creosote, which protects the wood from rotting.

Metal option

If the previous options are possible subject to availability land plot, then the metal overpass can be considered as universal - it can also be used in urban environments.

To make it you will need the following tools and materials:

rolled metal;
welding machine;
fittings;
grinder with cutting wheels;
bolts with nuts;
metal paint.

If desired, you can make the overpass collapsible. This will save space by quickly assembling it when necessary.

Its design is quite simple. It is necessary to assemble 4 base posts with a height of approximately 50 cm. To ensure stability, it is better to assemble the sides in the shape of a trapezoid and connect them with crossbars of the same length.

A 63 corner (5 mm thick) is suitable for this. To make bridges, you can use 40 angles (4 mm thick) and reinforcement (12 mm is suitable).

The bridges are a metal ladder. It will be necessary to make 2 bridges for driving in and 2 bridges on which the car will stand during repairs. You can calculate the minimum length of the latter yourself by measuring the distance between the centers of the wheels of your car and adding a small allowance.

After the individual elements are ready, they need to be bolted together. In order to provide additional rigidity to the entire structure, you can combine the racks with each other. Bolted connection will allow in short time assemble or disassemble the entire structure.

Construction of an overpass for a garage

If there is a complete shortage of space, a way out of the situation can be found in the manufacture of mini-overpasses. They refer to overpasses for partial lifting of a car. Of course, working in this case will be less comfortable than with the options discussed above, but much more convenient than under a jacked-up car.

Several options for mini-overpasses

The most basic version of a mini-overpass can be made of wood.

To do this, you will need a board (you can take 50 mm thick), which is wider than the wheels, and wooden slats square section(for example, 100x100 mm). From height cross section will depend on how high the car can rise. With the parameters recommended above wooden products the lifting height will be 150 mm.

The structure is assembled as follows.

A block is attached to the top of the back of the board, which will serve as a limiting wheel travel. 2 square-section slats are attached to the bottom: one is slightly further from the middle, the second is on the edge of the board. The structure is ready.
You need at least 2 such devices (or 4 if you need to lift the entire car off the ground). This mini-overpass works very simply. When you place the structure under the wheel of your car, it rests on the ground at 2 points: the front edge of the board and a block that is secured near the middle.
Once the car's wheels hit the board and the center of gravity moves closer to the rear edge of the board, the front edge will rise and the rear will lower. Since the supports were made of a block with the same cross-section, the board will take a horizontal position.
In this case, the length of the board should be such as to prevent it from hitting the bottom of your car. All that remains is to secure the wheels that remain on the ground with stops and blocks. As you can see, such a flyover is very easy to make with your own hands. You can make a mini-overpass from metal. Its design will resemble the metal overpass discussed above, only in a smaller version. It also consists of supports on which bridges are attached.
It is advisable to weld limiters along the edges of the bridges. This will protect your car from slipping.
One bridge is located at an angle from the ground for entry, the other is horizontal (if you look at the structure from the side, the outline will be a trapezoid). You can focus on the following dimensions: base length – 80 cm; the length for the drive is approximately 45 cm, the width of the bridges is about 40 cm. The entire structure can be assembled from a 25 mm corner (less than that is not recommended). The approximate weight of the structure will be 20-30 kg. A travel limiter for the wheel must be welded at the rear.

More complex, but effective option mini-overpasses can be made according to the swing-rocking principle. To assemble it you will need welding work. It will be necessary to make 2 frames in the shape of an isosceles triangle. The width of the frames is selected depending on the width of the wheels of your car, and the length of the bridge is selected depending on the length of the car.

To ensure structural rigidity, the frames must be fastened together. To ensure stability of the structure, it is necessary to use spacer stands under the side that will be above the ground. It should be taken into account that for greater stability the center of gravity of the car should be closer to the apex of the isosceles triangle.

When working on overpasses, you should always remember to follow safety measures. The car must be put on the hand brake and the wheels must be secured with chocks.

Let's summarize. Have you considered various options and approaches to how you can make an overpass with your own hands. Depending on the available space, materials, finances and desires, you can choose any option for your garage.

This can be either a solid structure or a collapsible version of a metal overpass. Perhaps it will be enough for you to make a wooden mini-overpass. In any case, the choice will be yours.