Jack is divided into two kinds of mechanical jacks and hydraulic jacks, each with a different principle. In principle, is based on the principle of hydraulic jacks for Pascal principle, Electric Hand Pallet Jacks namely: the fluid pressure is the same everywhere, so that in a balanced system, the pressure is applied above the piston is relatively small is relatively small, and the large piston the applied pressure is relatively large, so that the liquid can be held stationary. So by passing the liquid, you can get different pressures on different ends, so that you can achieve the purpose of a transformation. Our hydraulic jack is common to use this principle to achieve transfer power. Mechanical jacks mechanical principle, reciprocating lever handle, pull push the ratchet claw rotary gap, small bevel gear drive big bevel gear, so weightlifting Quick lift Hand Pallet Truck screw rotation, so that the hoisting or lifting the sleeve to get down to achieve the lifting tension function. But not as a simple hydraulic jack.
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