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Working Principle of Hydraulic Jack

Views: 1     Author: Site Editor     Publish Time: 2024-04-26      Origin: Site

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_MG_8078Hydraulic jack is a type of jack, and its working principle is different from that of mechanical jack. In our daily life, hydraulic jacks are often used. As people's living standards continue to improve, more and more people buy cars. When a car tire is broken, we can use a hydraulic jack. However, many people only know how to use it and don't know how it works. Next, let's take a look.


Hydraulic jacks work via hydraulic pressure. The process of hydraulic operation mainly relies on hydraulic oil, using the pressure of hydraulic oil to transmit power. The hydraulic system is mainly composed of hydraulic oil, operating equipment and other parts. The entire hydraulic system mainly converts pressure into required power. The hydraulic jack consists of external hardware, large and small spark plugs, wrenches, hydraulic oil tanks and other components.


Working principle of hydraulic jack: During operation, the wrench of the jack will slowly move upward to pull the small piston upward. At this time, the oil in the hydraulic tank begins to pass through the hydraulic oil pipe and quickly absorbs the lower part of the small piston. Then the wrench begins to move downward, pulling the small piston downward, and the oil pipe and small piston under the hydraulic tank will be blocked. At this time, the hydraulic oil under the small piston will rush into the lower part of the large piston through the oil pipeline. Using the principle of lever operation, the impulse under the small piston will be much greater than before. If the operation is as specified, the pulse is likely to be more than ten times greater than before.


The large piston itself is much larger than the small piston. At this time, the impulse generated by manual operation will be squeezed into the large piston. According to the principle, the impulse ratio of the large piston and the small piston is the same at this time. In this way, the manual pressure transmitted to the small piston through the wrench will be increased more than ten times. The general working principle of a hydraulic jack is this. However, after using a hydraulic jack, there will be hydraulic doors that often need to be closed and can be operated manually. The hydraulic oil will rely on the weight of the car, which will push the oil back into the hydraulic tank.


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