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Home > blog > Definition of hydraulic jacks and hydraulic jacks
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Definition of hydraulic jacks and hydraulic jacks
2015-10-16 by liftstar
The commonly used simple lifting equipment with hydraulic jacks, pulley and hoist etc..Jack a shell, forklift jacks , a big piston, a small piston, wrench, fuel tank and other components working principle is the wrench to go drive of small piston upward, oil in the oil through the oil pipe and a one-way valve is sucked into a small piston lower, wrench down the pressure driven piston down, fuel tank and small in the lower part of the piston oil one-way valve plug, small in the lower part of the piston of oil through internal oil path and a one-way valve is pressed into the lower part of the piston, because of the leverage effect is small in the lower part of the piston pressure is increased several times, the larger piston area is dozens of times more than the smaller piston area, produced by the manual hydraulic squeezed into the large piston, by Pascal's principle known size piston area ratio and
pressure ratio are the same.

The hydraulic jack and hydraulic jack, Air scissor lift , a hydraulic cylinder with a plunger or jack lifting as rigid parts. Simple lifting equipment generally only equipped with lifting mechanism, to

lift weights.


keywords:    self propelled pallet jack