A jack is a tool that is useful to a motorist at any time of the year. Mechanisms are used to lift the machine, if necessary, change the wheel, pull the machine out of the snowdrift or dirt. With the help of a jack, you can easily lift the car without any effort, and for this you do not need to be a bodybuilder. There are different types of jacks, each person chooses the necessary lifting capacity and the effort exerted on the lever. The mechanism requires proper handling, because with careless or inept actions you can just drop the car. Devices are divided into screw, rack, hydraulic, rhombic. And there is also an air jack.
Device features
Ordinary jacks are used only if the car is standing on some hard surface. An air-cushion jack will help pull out a vehicle if it is stuck in mud, stuck in sand or snow. This is what distinguishes it from traditional mechanisms familiar to us. The airbag is designed to lift weights up to 3 tons.
An air jack is a pillow that fits into vehicles wherever a car is stuck. Air is supplied to the tank, while it rises to a height of 60-70 cm. According to the principle of operation, the air jack differs from its mechanical counterparts. Classic need to twist your hand or pump up with your foot, this one works from the exhaust pipe. A special hose joins the exhaust through which the reservoir is inflated. It takes only one minute to fully fill. Such a thing will be an indispensable tool for those who love outdoor recreation or often ride on the road.
Appointment
Air jacks are used not only for cars. The scope of their application is much wider. They are used in the mining industry, during rescue operations, in the earthquake zone, on the railway. This jack is not only used to lift or unlock vehicles. In addition to lifting, it can extrude, split, push, etc. Differs in noiselessness and big loading capacity, fast rise time.
There are many models with different characteristics. Size range - from P1 to P68.
Technical characteristics of the jack P1:
- Area - 15 x 15 cm.
- Thickness - 25 mm.
- Lifting effort - 1 t.
- The maximum lifting height is 75 mm.
- The highest pressure is 8 bar.
- Weight - 0.68 kg.
A hose with two pressure regulation sensors is included with the jack; it is designed to connect the air-cushion jack and a gas bottle. A pressure reducer, controller, and air outlet valve are also located on the hose. A gas bottle delivers air to the jack, airbags are filled with air.
Technical characteristics of a gas cylinder:
- The capacity of the tank is 6.8 liters.
- The diameter of the cylinder is 157 mm.
- The length of the cylinder is 528 mm.
- Thread - M18 x 1.5
- Gas is air.
- Fillable tank capacity - 1835 liters.
- Working pressure - 30 MPa.
- Test pressure - 50 MPa.
- Cylinder weight - 3.8 kg.
Pros of using
The inflatable jack by the principle of action does not differ from the air, but the design is slightly different. Car air jack is designed to lift off-road vehicles, SUVs. It can be used on any surface, no need to run around and look for boards, logs to put under the device to solve the problem.
The jack is made of strong and durable PVC fabric. The advantages of an inflatable jack is that it weighs a little and has compact dimensions. You do not need to crawl on your knees to put the jack in a certain place under the car, it is much easier to install it.
Do it yourself
Is it possible to make an air jack with your own hands? Of course, you only need to have a desire and make some efforts. To do this, you will need:
- Old pillow from the truck.
- Bolt of appropriate diameter.
- A ball that can be easily positioned in a bolt.
- Wheel bolt from the "Lada".
- Chamber fitting.
- Drill.
A bolt is screwed into the hole of the pillow, a hole is drilled in the bolt into which the chamber fitting is inserted. The wheel bolt from the "Lada" will play the role of a fitting, a ball is placed in the outlet, then the elements are connected. To use such a jack, you need a special pump.
The air jack has its advantages and special functionality. Where the classic model will be just a useless piece of iron, the inflatable structure will be a real salvation.