Pneumatic hydraulic jack
A pneumatic hydraulic jack technology, applied in the field of hydraulic jacks, can solve the problems of increased cost, increased turbulent flow, complex manufacturing, etc., to achieve the effects of reducing temperature rise and pressure loss, prolonging service life, and increasing applicability
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[0014] figure 1 A specific embodiment of the pneumatic hydraulic jack of the present invention is shown, and the pneumatic hydraulic jack includes a jacking cylinder 1 , an oil tank, a transition plate 3 and a pneumatic booster 2 . like figure 2 As shown, the transition plate 3 is provided with an oil supply passage and an oil return passage. The oil tank is connected to the jacking cylinder 1 through the oil supply passage on the transition plate 3, and the hydraulic oil pump is driven by the pneumatic booster 2 connected to the oil supply passage. Into the jacking cylinder 1, the oil supply channel of the transition plate 3 is provided with an oil inlet and outlet interface 31, a first check valve 32, a plunger pump interface 33 and a second check valve connected with the jacking cylinder 1 in sequence. 34, the second one-way valve 34 is arranged vertically and on the same axis as the plunger pump interface 33, and the first one-way valve 32 is horizontally arranged in the...
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