The power system of the water pump of the remote water supply vehicle and the remote water supply vehicle equipped with the system
A technology for power systems and water supply vehicles, which is applied to fluid pressure actuating system components, fluid pressure actuating devices, pump control, etc., can solve the problems of easy damage of hydraulic pumps, inflexible layout, and large energy loss, and achieve system efficiency. High, flexible layout, high degree of automation effect
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[0018] Such as figure 1 As shown, the power system of the remote water supply truck water pump of the present invention includes engine 13 (here, generally refers to diesel engine), the proportional displacement variable pump 1 driven by engine 13, the safety unloading valve 4 that plays the role of setting pressure, On-off valve 5 for switching, hydraulic motor 9 for driving the water pump, oil tank 14, filter 3 on the hydraulic pipeline and oil return pipeline. Here, the proportional displacement variable pump 1 includes a base pump 1.1, a position sensor 1.2, a variable cylinder 1.3 and a proportional valve 1.4. Preferably, the safety unloading valve 4 includes a first pilot valve 4.1, a pressure regulating cover plate 4.2 and a pressure insert 4.3, which constitute a two-way cartridge type safety unloading valve 4, which can adjust two high pressures; the switch valve 5 includes The second pilot valve 5.1, the shuttle valve cover plate 5.2 and the direction plug-in 5.3 co...
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