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Analysis of the principle of hydraulic jack.Air motor
source:Industry News release time:2022-01-25 Article author:Rosit Popular:Air band saw
Hydraulic jack (Jack0 is a kind of small lifting height (less than mechanical and hydraulic. Mechanical jacks are also available in rack type and screw type. Small volume, laborious operation and control, generally only used) For mechanical maintenance and repair work, the jack has a compact structure (terse), stable work, and extensive use (extensive). We can get several characteristics that hydraulic oil should have: 1 Good chemical stability (explanation: stable and stable; no change) (The stability of). 2 Good lubrication performance to minimize wear between components.
3, the texture is pure, without water and water-soluble acid-base (acid-base) salt, etc.
4. Proper viscosity and good viscosity-temperature characteristics.
5. The solidification point and the flow temperature are lower, which ensures that the hydraulic oil can be used at a lower temperature.
6. The spontaneous ignition point is relatively high. Hydraulic wrench is the abbreviation of hydraulic torque wrench. It is a professional bolt tightening tool that is powered by hydraulic pressure and provides high torque output. It is used for bolt installation and disassembly. It is often used to tighten and loosen bolts larger than one inch. The hydraulic wrench is composed of a working head, a hydraulic pump and a high-pressure oil pipe.
7. There is no corrosiveness and good antirust performance. The most basic principle based on hydraulic transmission is the Pascal principle, that is, the pressure of the liquid is the same everywhere, so that in a balanced system, the smaller piston The pressure applied above is relatively small, and the pressure applied on the large piston is also relatively large, so that the liquid can be kept still. Therefore, through the transmission of (tōng guò) liquid, different pressures on different ends can be obtained, so that a transformation can be achieved. The hydraulic jack we commonly see (Jack0 is to use this principle to achieve force transmission. Screw jack mechanical principle, reciprocating pull the handle (Hand Shank), pull the paw is to push the ratchet (ratchet) gap rotation, the small bevel gear ( Gear) drives the big bevel gear to rotate the weight lifting screw, so that the lifting sleeve can be lifted or descended (descend) to achieve the function of lifting pulling force. But it is not as simple as a hydraulic jack.
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