Hydraulic system of wide-body dump truck
A technology of hydraulic system and dump truck, applied in the field of hydraulic system, can solve the problems of low unloading efficiency, small flow rate of lift pump, small flow rate, etc., and achieve the effects of improving lifting speed, improving safety and improving cleanliness.
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[0012] Example 1, see figure 1 , According to the design requirements, connect the power steering pump 3 to the engine 2, and the lift pump 11 is connected to the transmission PTO 10 through the transmission shaft. The power steering pump 3 and the lift pump 11 are both quantitative gear pumps; Connect to both sides of the axle respectively; install the lifting cylinder 13 between the cargo box and the frame, and fix the pneumatic reversing valve 14 on the hydraulic oil tank 1; attach the hydraulic oil tank 1, the high-pressure filter 4, and the reversing valve 5 , The accumulator 6, the cooling pipeline 7, and the oil return filter 12 are fixed on the frame, and the steering gear 8 is fixed on the cab; pipelines are used to connect various components;
[0013] Connect the inlet of the power steering pump 3 to the hydraulic oil tank 1 through a pipeline, the outlet of the power steering pump 3 is connected to the inlet of the high pressure filter 4 through a pipeline, and the out...
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