2024 Author: Beatrice Philips | [email protected]. Last modified: 2024-01-15 04:10
Hydraulic jack used not only for lifting cars. The device is used in construction and during repairs. This robust device has the ability to lift loads from 2 to 200 tons. Jacks with a lifting capacity of 10 tons are considered more popular . Below we will talk about the features of the mechanism, its principle of operation and the best models.
Features and working principle
The 10 t hydraulic jack is a heavy lifting device that consists of:
- hulls;
- piston;
- fluids with a hydraulic valve;
- working chamber;
- stock;
- lever.
The construction is made of high quality material of extra strength. Due to its special properties, the device does not corrode . The body is both a cylinder for the piston and a place for the fluid. The difference between a hydraulic jack and a mechanical jack is that the hydraulic tool is able to lift the load from the lowest height.
There are two-piston models . The fluid that is used to work in such a mechanism is called oil. When the lever is pressed, the oil flows into the working chamber. The oil quantity is regulated by means of the restrictor valve.
Thanks to the mechanism and working fluid, the jack is a stable, reliable tool that makes it possible to raise the load to the required height.
The basic working principle of a hydraulic jack is to create pressure on the fluid that pushes the piston. In this regard, there is a rise. If it is necessary to lower the load, open the hydraulic valve and the liquid will flow back into the tank. The main feature of the mechanism is the use of an incompressible fluid and a high coefficient of lifting force with little effort on the handle. Low working force is provided by the high gear ratio between the cross-sectional areas of the cylinder and the pump piston. Besides smooth operation, the hydraulic jack has a high efficiency.
Views
There are the following types of hydraulic mechanisms
Bottle … The principle of operation of the bottle tool is based on the properties of the liquid. The fluid does not lend itself to compression, so it perfectly transfers the working force applied to it. The construction is stable and compact. Minimal lever effort is required during operation. The device is considered universal.
Trolley … The design looks like a trolley with installed cylinders. The lifting rod interacts with a special mechanism, due to which the force is transmitted to the load. Horizontal jacks are low, with a long handle. Devices are mobile due to the presence of wheels. The mechanism can be driven under any load with a low pickup. The trolleys have a high lifting height and speed.
Telescopic … Such a jack is also called a "tablet". The design has a gravitational return of the rod, due to which the lifting or movement of loads is carried out. There is no built-in pump in the housing. The operation of the mechanism is based on the action of a hand, foot or electric pump.
Screw or rhombic . The principle of operation of the mechanism is based on the operation of a screw that closes the diamond-shaped elements of the device. The work of the screw is carried out by rotating the handle. The lifting force of the jack is sufficient to change a wheel. Therefore, this type is especially popular with motorists.
Rack … The design is in the form of a rail, which can reach the height of human growth. The rack and pinion mechanism is designed to rescue cars from swampy swamps, mud, snow.
Top manufacturers
An overview of the best models of hydraulic jacks in 10 t opens the device Matrix 50725. Main characteristics:
- metal body;
- wide rectangular base, making it possible to install on an uneven surface;
- corrosion protection;
- weight - 6, 66 kg;
- maximum lifting height - 460 mm;
- welded arm that guarantees safe movement and lifting of heavy loads.
Jack "Enkor 28506". Characteristics:
- fast installation under the support thanks to the robust screw tip;
- long handle minimizes working effort;
- weight - 6 kg;
- rectangular stable base;
- welded handle for convenience and safety during installation.
Bottle model "Zubr Expert". Characteristics:
- maximum lifting height - 460 mm;
- the ability to install on an uneven surface;
- rectangular support for stability;
- mobile mechanism due to its low weight and dimensions.
Rolling jack 10 t GE-LJ10. Characteristics:
- Comfortable design with a lift pedal and a long handle;
- powerful wheels;
- lifting height up to 577 mm.
The device is suitable for work in car repair shops.
The jack is not suitable for home use due to its size and weight of 145 kg.
Bottle jack of the company Autoprofi 10 t. Characteristics:
- lifting height - 400 mm;
- weight - 5.7 kg;
- the presence of a bypass valve, which creates overload protection;
- durable body.
How to use?
The use of the jack depends on the type mechanism and his destination … The jack allows you to raise the machine and carry out urgent repairs. The mechanism is used in the following cases:
- replacement of wheels;
- replacement of brake hoses, pads, ABS sensor;
- disassembling the machine from the side of the wheel to examine deeply located elements.
Some types of jacks must be used with care as there is a risk of injury.
A set of rules for the correct operation of the jack
- The machine must be located on a level surface with no risk of movement.
- Locking wheels. The wheels can be securely locked with bricks, stones or wooden blocks.
- The jack should smoothly lower and raise the vehicle, without jerking.
- It is necessary to clearly know the place where to substitute the device. On the bottom of the car there are attachments for the jack hook. Fixing the jack to any other part of the machine is prohibited.
- The use of a stanchion is necessary to support the load. It can be made from wood or iron. The use of brick props is not recommended.
- Before work, you need to make sure that the car and the jack are securely fixed.
- After completing the work, it is necessary to lower the device together with the machine. This should be done smoothly, without sudden movements.
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