Hydraulic drive fracturing pump
A fracturing pump and high-pressure cylinder technology, applied in the field of hydraulically driven fracturing pumps, can solve the problems of only tens of hours of service life, low working efficiency, short life of wearing parts, etc., to improve effective suction efficiency and simple structure , the effect of improving life expectancy
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[0026] see Figure 1-3, which is a preferred embodiment of the present invention, the present invention provides a hydraulically driven fracturing pump, which is provided with an oil inlet P, an oil return port T, a liquid inlet V, and a high-pressure liquid outlet H, which includes a booster cylinder and pilot-operated hydraulic control reversing valve; the booster cylinder includes a low-pressure cylinder 4, a low-pressure piston 6, a left high-pressure plunger 5b, a right high-pressure plunger 5a, a left high-pressure cylinder 3b and a right high-pressure cylinder 3a, and the low-pressure piston 6 is slidably set at the low pressure In the cylinder 4, a left piston chamber 4b and a right piston chamber 4a are respectively formed at its left and right ends, and its left and right ends are respectively slidably arranged with the left high pressure plunger 5b in the left high pressure cylinder 3b and the right piston chamber 4a in the right high pressure cylinder 3a. The high-...
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