Do-it-yourself jack. Types of jacks, manufacturing features

The most necessary things that every motorist should have are a jack, cigarette lighter wires, a cable and a spray can. Fortunately, now all this can be bought at any car shop. We are not looking for simple ways and talk about how to make a homemade jack for a car.

Types of jacks and their features

First of all, I would like to draw your attention to the fact that there are several relevant jack designs. The most popular are hydraulic, rolling and mechanical. Each type has its advantages and disadvantages.

Mechanical jacks are very reliable, but most models are not designed for heavy loads. Hydraulic ones lift large masses, but very often oil leaks out from under the gaskets in the places of seals. As for the pneumatic, this is one of the most optimal options. It is not so difficult to make a homemade jack for a car, let's see how. Let's start with the simplest.

One of the most popular types of car lifting devices is a trolley. It is called so not because it can be transported on wheels from one corner of the garage to another. The principle of operation is that during lifting the car jack moves under the car. This happens due to the displacement of the lever relative to the fulcrum.

As a basis for the upper and lower levers, a channel can be taken, as well as a pair of corners. It is worth paying attention to the fact that the jack itself can be hydraulic or pneumatic. The first option is more load-lifting, the second is less problematic in terms of maintenance. The displacement of the rolling jack is possible in the presence of two pairs of wheels, and this is the main condition.

About the advantages and disadvantages of the design

This drawing of a homemade rolling jack shows that in terms of the necessary tools and materials, the design is quite expensive. Unless, of course, you have half of the material in the garage, which is there as waste rubbish.

From the material you need a channel with 4.5 mm walls and 7.5 mm thick shelves. A welding machine and an old bottle hydraulic or conventional pneumatic jack are also needed. Do not make levers too long, 400-500 mm. But if it was done that way, it is worth thinking about making an additional emphasis. The advantage of such a jack is that it is convenient to use. But at the same time, carrying it with you in the trunk is not the best solution. It is optimum to apply as a stationary "garage" tool.

Homemade Hydraulic Jack

This is one of the simplest, but at the same time effective designs. For manufacturing, you will need a reference platform. Its strength and stiffness should be as large as possible. This can be achieved using additional stiffeners.

An important step is the support structure, which is made of a profiled square tube. It is desirable that its thickness be at least 10 mm. As a basis we use an old bottle-type hydraulic jack. It is worth paying attention that even in this case, a lot of metal profile, welding, as well as efforts will be needed.

With a responsible approach to work, you will get a high-quality and reliable design. Nevertheless, it is worthwhile to calculate the costs in advance. If the amount is more than 2,000 rubles, then it hardly makes sense to bother with this matter.

Buy or do?

Of course, you can make a homemade jack for a car. But this is worth doing if this procedure is appropriate. Now there is a huge selection of jacks in stores at an affordable cost. For example, for 1,500 rubles you can get a solid rhombic jack. It is reliable, stable and does not take up much space, which makes it easy to transport.

For 2,500-3,000 rubles, rolling jacks of good quality are sold. They have good carrying capacity and are reliable, although they are extremely bulky and heavy. You can make a rolling jack with your own hands. But this will require a lot of tools and material, which ultimately will result in serious costs.

A homemade jack for a car, made by you personally, will also have its advantages. If you competently approach the matter, then the output will be a reliable design, the resource of which will be clearly higher than the purchased device. But it’s easy to make a mistake. For example, some welds, especially at the bend of the lever, can burst, and this, in turn, will lead to sad consequences. In any case, you decide. The drawings presented in this article will help you in the manufacture of the jack on your own. But this can take a whole day off and a lot of nerves and materials. But if there is a tool, and in the garage a lot of metal, then definitely worth a try. Moreover, you know how to make a jack with your own hands.

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Reliable homemade jack

Design and its features
Main characteristics
Summarizing

The problem of lifting loads of large masses has faced humanity for a long time. In recent years, jacks have increasingly been used to solve it. Apart in this row is a hydraulic jack. He is capable of lifting really heavy loads with a minimum of effort. Hydraulics, since science appeared, came to the aid of man. There are situations when a lift of this kind is simply necessary, but there is no way to purchase it. How to make a homemade jack?

Scheme of a rolling hydraulic jack.

Design and its features

Of course, before you start work immediately, you must definitely learn more about the design of the hydraulic jack. In fact, it is not so complicated as it might seem at first glance. The main elements are the housing, pump, plunger, screw with a lifting heel. The hydraulic jack is most often made of hardened steel. In this case, a special oil with high viscosity indicators acts as a working fluid. Conventional engine oil is not suitable in this situation.

The device of the hydraulic jack.

It should be taken into account when developing the device. Typically, the housing is the main part of the hydraulic jack. It serves not only as a reservoir for the working fluid, but also as a real cylinder for the piston. The device of this design implies the presence of protective valves that ensure uninterrupted operation. It is equipped with a hand or foot pump.

The oil is drained using a special handle, which is part of the mechanism. The lifting mechanism and a special retractable hydraulic cylinder are capable of lifting the work platform. A sufficiently high pressure is created, which allows lifting loads of various masses. The housing of such a device can be both short and elongated. The second option is most often used when carrying out repairs of heavy equipment. For example, it can be a bus or a heavy truck.

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Main characteristics

The device of the screw jack.

There are tons of options that allow hydraulic jacks to be used everywhere. They are unpretentious in terms of carrying capacity. An important point is the presence of an almost incompressible working material. We are talking specifically about hydraulic oil. From this we can conclude that we cannot avoid a smooth ride, that is, raising and lowering. In this case, the load can be secured at almost any height. It is worth noting that such devices have a fairly high efficiency, which is equal to 80%. In this case, the carrying capacity of the mechanism can reach 200 tons. Of course, in this work, such powerful units will not be considered, but the reader should know that they exist.

It should be noted and the initial height of rise. This indicator is better than that of ordinary mechanical models. Weights can be lifted from almost zero height. This is very convenient, especially when it comes to repair work with low-seat cars.

The device is the simplest homemade jack.

There are, of course, disadvantages to hydraulic jacks. The main thing is that it is very difficult to regulate the lowering height in such mechanisms. In order for the device to be constantly in working condition, it has to be checked. Here it is necessary to monitor the oil level, the state of the valves, gaskets and seals. If necessary, these elements must be replaced. Sometimes it may be difficult to transport the jacks. They must be stored and transported only in an upright position.

Otherwise, it is likely that all the fluid from the tank will simply leak. Another disadvantage is the relatively large mass of the device. It is not always easy to transport from place to place. Cost also makes many think of alternative solutions to the problem. Some buy mechanical jacks, as they cost several times less, while others make hydraulic jacks with their own hands.

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Hydraulic Press Making

The device of the hydraulic press.

The hydraulic jack itself is not so interesting, since it is quite simple, but the press can be useful to every person who loves cars. He will serve as a real garage assistant. With it, you can press bushings, punch holes in various metal blanks. To create pressure in the structure, a hydraulic jack will be used. For work, you will need a grinding machine, a welding machine with a certain number of electrodes and an angle grinder.

The first unit in this design will be the support platform for the jack. Since you will have to work with fairly impressive weights, you need to make the platform as reliable and powerful as possible. Do not forget about this nuance. It is quite difficult to achieve the desired result. To do this, you need to apply several stiffeners at once. Only in this way will the design really be of the highest quality and reliable.

For work, you can use both square and rectangular profiles.

Drawing of a pneumohydraulic rolling jack.

Here, the choice depends directly on the capabilities of the person and on what he has at hand. Further, these parts of the structure are stacked with the base to each other. At the same time, it is worth making as many welds as possible. This will achieve the required rigidity. You need to weld elements to each other both from below and from above. In order for the design to be stable, it is necessary to additionally use a metal plate for the stand, the thickness of which will be at least 10 mm.

Next, you need to focus and racks. To do this, you first need to prepare a profiled pipe, the cross section of which will be square or round. To calculate the height, you will have to add several values \u200b\u200btogether. It is necessary to add to the height of the jack the value of the stroke of the rod, as well as the height of the platform. The resulting number will be the result.

The emphasis must be made of the same metal from which the racks are made. Further, all the elements are interconnected. The result is a U-shaped design. In order to ensure the perpendicularity of all structural elements, it is necessary to manufacture a very simple device. On a steel plate, the thickness of which will be at least 10 mm, it is worth laying two corners at an angle of 90 °. Further, all these elements are welded together. Everything is quite simple, but at the same time the design is really maximally reliable.

The capacity of the screw jack is calculated by the formula.

In order to make it more convenient to work further, this device should be equipped with special clamping mechanisms. This will fix the resulting triangle and avoid further displacement along the axes.

The next stage of work is the creation of a special stop, which will move along the guides, transmitting pressure from the hydraulic jack directly to the workpiece. For work, you will need to use a special metal cut. Its thickness should not be less than 1 cm. The length of this part should be slightly less than the distance between the uprights.

It should be noted that the components of the stop are interconnected by welding. In this case, do not save on electrodes. Only a good connection of all structural elements will allow you to make a really high quality design. Now you can proceed to the installation of the hydraulic jack itself. It is fastened with two bolts of the same length.

It is worth making it as durable and tough as possible. If during the execution of work it is necessary to reduce the stroke of the hydraulic jack rod, then it will be necessary to make the distance between the emphasis and the steel part of the structure, that is, its beam, smaller. For this, an additional metal plate of the corresponding profile is used.

In order to make this distance less impressive, additional removable inserts can be used. They should be additionally marked, so that in the process of carrying out the work, make the most rapid change of the tool.

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Summarizing

So, the foregoing revealed the benefits of hydraulic jacks. As you know, this device can be used not only for its intended purpose. For a garage type press, it is quite appropriate. The hydraulic jack in this case becomes one of the best options for creating such a press. Of course, this is not the only such case of non-standard application of the hydraulic jack in practice. The hydraulic jack itself is extremely simple to make.

Knowing the design of this device, you can experiment with its designs. This is a great solution for every car enthusiast. The hydraulic housing is made of hardened steel. Do not forget about quality materials for the piston itself. He will have to transfer the maximum load. Only hydraulic oil should be used as the working fluid. It has high viscosity values.

Only such an oil can create high pressure in the working mechanism. Knowledge will allow everyone to make a hydraulic jack and do-it-yourself press.

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DIY rolling jack

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Homemade rolling jack

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It is very simple to make a homemade convenient car jack from improvised materials! in the video a short review, if something is interesting for this invention ask questions. and suggestions!

»From the presented material you will learn how to independently make a garage rolling jack for lifting a car with your own hands, as well as consider drawings, photos and video designs. Motorists are well aware that during the operation of a car it is often necessary to jack it up to replace rubber from summer to winter and vice versa, as well as there are punctures in the camera and the wheel must be removed and disassembled to repair it. “Funny things” also happen with tubeless tires. Fiddling with a standard car jack is not always convenient, as they say, “bent over in three deaths))” For this reason, a rolling jack was invented, very easy to operate and maintain.

The design includes a 2 t hydraulic jack “bottle” base and a lifting lever with a rubber cushion pad. For the convenience of moving the jack, thrust bearings are installed Attention!the wheels are installed in such a way that they touch the surface of the floor only in an inclined position, and in the worker they are raised — this is done so that there is no slip during the car’s sub-painting.

Lever arm has a peculiar shape, all sizes and angles are given in the drawings. The rise is carried out at 50 cm from the floor, which allows the replacement of both wheels of the car without reloading the jack. At the end of the lever is a rubber pad "pillow"

The lifting height of the lever is 50 cm.

General view of the structure.

The jack is placed on a movable platform.

Hello everyone, in this article I want to tell you how you can make a simple and powerful, air, car jack, or you can also say a pneumatic jack for a car from sewer pipes.

For this we need 2 plugs for 110 mm, 1 sleeve for 110 mm, a small length of pipe for 110 mm, a glue gun, it can be replaced with ordinary glue of the moment type, but just sealant, hoses, a small faucet and 2 car nipples are suitable with nipple.

To get started, take the clutch, measure 2 cm from its side and cut it off.

We cut off the cut ends with a knife or sandpaper so that they do not cling. Next, in the center of this coupling, we drill a hole with a diameter of 10 mm.
We take our spool, smear it with glue, I took the sealant and put it into the hole.

Now we take the coupling, remove the rubber ring from one side, lubricate it with glue or sealant and put it on again.

Further, on our plug with a nipple, we also coat the edges with glue or sealant and insert it into the sleeve, that is, glue it.

From 110 pipes we measure 10 cm and cut it, cut the cut piece along the length.
We insert a cut piece of our pipe into the coupling, mark it along there to cut another piece, it should lie exactly in the coupling, look at the photo, it will be more clear there.
Now we smear this piece with sealant or glue and insert the sleeve, and on top we glue another cut piece from 110 pipes, 5 centimeters and also glue it for strength, as in the picture.
Next, we take a suitable wooden block or plank, we can leave a square plank, but I decided to cut a circle with a jigsaw.
We put on a hose of a suitable diameter on the nipple and tighten it with a hose clamp.
In the plank I cut a groove under the nipple with a hose, smeared the plate with glue and glued our blank to it. Cut off the hose that comes from our billet
and insert a triple into it (everything was bought in the same plumbing store).
We insert another small piece of hose into this tee, we insert a small faucet into it, to release air from our hydraulic jack.
And on the last, third end of the tee, we also put on a small piece of the hose and insert another nipple from the tubeless tube into it. But we prepare the nipple in advance, that is, we simply cut off its rubber, wide part,

so that he easily sticks into the hose, then tighten with a hose clamp. We will supply air from the compressor to it.

Here's a look of a tee with all the connections ...

Next, on top of the coupling, we stick our gum,
which we lubricate in advance in lithol or something similar, we also need to lubricate our finished piston so that it slides better inside the coupling.
We put the piston into the clutch.

But on top I decided to stick something else like a softener, but I did not find anything reasonable and stuck a circle cut out of plywood.

I also decided to immediately paint, there was only a yellow spray can with paint, so I shot it for beauty.
The result is such a forked jack that easily raises the car ...
and as before I lived without him;).

Now he is not an interchangeable assistant to raise the car, to change the wheel or something else.

But interesting tests with such a hydraulic jack;

Design and its features

Almost every person has a car now. For some, it acts as a profit - it's a taxi, bus, trucking, etc. Someone needs him just to move around. But for true car enthusiasts, the car is the closest friend who helps out in difficult times and never fails. They take care of her, take care of them and repair them on time. Often such people in life are friends with technology and love the tool. They like to do something with their own hands, because it brings great pleasure. Often we get some useful and interesting gizmos for a car.

For example, a jack would be a good idea. Indeed, no motorist can do without this device. Many, of course, will now say that it is easier to go and buy in a store. But for a true mechanic to build such a thing, especially for his car, is not difficult. It is only important to know how to make the jack, and what it will consist of.

Before you start to make a jack for a car with your own hands, you need to decide what design it will be. To do this, you need to know the main varieties of these devices that can be found in stores:

Rack and pinion. This species has been used for a very long time. It is based on a long metal rail with holes, a lever and a ratchet with a perpendicular end. Pulling the lever down, the rattle along with itself lifts the weight. Leading upwards - it works, locking itself in one of the holes closest to the rail along with the load. Then the cycle repeats again;
Rack jack
Screw. The most common jack among domestic motorists. It can be presented in different ways, but the principle of operation is the same - rotating, the screw raises or lowers the dynamic part. It is often made in the form of a durable lever attached to a movable mechanism, which in turn runs along the brackets in the housing. There is also a rhombic jack. It is much more practical and is a rhombus-shaped case, which is made of four moving parts. A stand is attached at the bottom, and a lifting platform at the top. A long screw passes through the side mounts. If you twist it, the figure will either fold or stretch up, lifting the load;
Screw jack
Hydraulic. Most often, such devices can be found among truckers who lift the heavy axles of trucks when changing wheels. They can be presented in different ways and have a different principle of operation, but the meaning is the same for everyone - there is a hand pump that creates the oil pressure in the master cylinder. Under its action, the platform begins to climb with gravity. These jacks are characterized by high load capacity, as well as large mass and height;
Hydraulic jack
Pneumatic. Something resembles an air cylinder, which are installed on the air suspension of the car. Simply put, this is a small platform on wheels (maybe without them), on which a hollow thick-walled rubber cushion is attached. Air is supplied through the nozzle from the compressor or cylinder. Pressure builds up and the pillow begins to rise.
Pneumatic jack

These are the main types of jacks that are used most often. They are classified precisely by the type of force used (mechanical, hydraulic, etc.), but there are many varieties of them. So, for example, hydraulic devices are retractable, cylindrical, trailed, two-level. That is, there is only one type of jack, but several types. Therefore, there is a great choice in order to independently produce your own model using a prototype.

Skills required in the manufacture of the jack

It’s worth saying right away that needlework is not an easy task and requires certain skills. In our case, these are almost all the abilities that a novice mechanic should have:

welding - the most basic thing that is required when working with metal. Since the structure will be assembled from scratch, it will only need to be welded. Moreover, this must be done in a high-quality manner so that as a result a durable product is obtained;
cutting - it is enough to be able to cut iron with a grinder. It is good if you have the skill of cutting with an oxygen torch;
treatment - without the skill of using a file or grinder it will be difficult;
turning a business - in principle, you can do without it, but if you are fond of it, it will be much easier in the manufacture and processing of some parts;
painting - a thing made by oneself must be painted.

If you possess the above listed skills, then no problems should arise during the manufacturing process of the jack. The higher the level of ownership of the tool, the better the product will be.

In order to make a jack, there must be a suitable tool. The first step is welding, since it will be used to assemble. It is desirable that it be semi-automatic apparatus with carbon dioxide. Then the seams will be much smoother and there will be no excess slag. The second, no less important, is bulgarian. Well, if the assortment is both small and large. With their help, you will cut billets from steel. Also need drill, because you have to make more than one hole. To easily process iron parts, you must electric sharpener. It is key in the fitting process. In addition, it is desirable to have hand tools: files, files, whetstones, hammers, screwdrivers, rasps, lifts with a set of taps, sledge hammers, a vice, etc. The more fixtures you have at hand, the easier the manufacturing process will seem.

The more tools available, the easier and better the jack will be.

Lathe In any case, he is an excellent assistant, but not everyone has it. In principle, you can cope without it, but if you have such an aggregate in your garage or workshop, it will turn out much faster. After all, with the help of a milling installation it is easy to grind or process any part. For example, a bolt or rod. In general, your machine will be very handy.

It is also worth talking about the material. It can be bought at the market or at a scrap metal collection point. The second option is much cheaper, because all scrap metal is rusty and battered at scrap receptions. It is not suitable for operation, but as a donor it is. It is desirable, of course, to buy the most. After all, depending on what kind of jack you want, additional mechanisms or fasteners that you yourself will not be able to produce may be needed. Therefore, be prepared to purchase some components on the market.

The base (both the lifting lever and the lifting platform) of the hydraulic jack can be made of a channel. For lift, a conventional hydraulic bottle jack is used. To move the jack, you can attach the wheels (you can replace the bearings, rollers or something like that).

The device of a homemade hydraulic rolling jack

It is recommended that the bottle jack be installed on a mobile “swing” platform, since during operation the jack changes its angle a little, and some compensation of movements is required. The platform should swing slightly from side to side. You can make it from the same channel by drilling a through hole in the lifting base and placing the “swing” on the bolt so that there is a small gap of 0.5-1 cm between the base and the platform.

Mobile jack jack platform

To increase the strength of the structure, it is desirable to make braces of rods on both sides of the base. The thicker the rods, the better. They are welded to the base.

The device is powered by a bottle jack. When it is set in motion by a special rod handle, it rises, which moves the lifting lever up.

The process of working a homemade hydraulic rolling jack

A drawing of such a hydraulic jack for making it yourself is presented in the image below:

Drawing of a hydraulic rolling jack that you can do yourself

Also see a few video, where you can learn more about how to make a hydraulic jack with your own hands:

As an example, we also consider a pneumatic device, which easiest to do. So, you will need:

In principle, such a self-made device can easily raise any passenger car. It is enough to place the pneumatic cylinder under the platform on the bottom and connect the high pressure hose to the fitting. By supplying compressed air, the pillow will begin to rise with the machine.

The principle of operation of a homemade pneumatic jack

For convenience, such a jack can be completed by inventing a reliable platform with wheels for it. Thus, if the cylinder is taken for disassembly, the device of its own manufacture goes practically for a penny.

Improved pneumatic jack on casters

You can also see a few videoHow to make a pneumatic jack with your own hands:

The most important question remains. Is it worth it to do the jack yourself? The answers to it may be different, however, after weighing all the nuances, we can come to a final conclusion. To begin with, it's worth figuring out the cost. It is clear that no one will buy a tool for manufacturing, nevertheless, you will need material and some parts that you still have to purchase. It is quite possible to buy a new factory jack for 5,000 rubles. Spending on a makeshift will depend on what kind and type it is. So, to make a hydraulic one will be the most expensive, but the above pneumatic one is the cheapest.

In general, the cost of the jack is not so big to rack your brains and do it yourself. If this doesn’t matter to you, it’s better not to take it and buy a new one in the store. But, if the process itself is interesting, and you want to make something, then it is a great idea to test your skills. It may even be possible to save 1-2 thousand rubles. That is, when there is a desire to do - try, be smart and achieve a result. But if you are not interested in the manufacturing process of the jack, then it is better to postpone this matter.

The main thing to remember is security measures. Any instrument in inexperienced hands can cause serious injury. Remember to wear safety glasses when working with metal and when welding, to warn your eyes.

How to make a jack with your own hands: instructions with photos and videos

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