Hydraulic system of mining dump truck
A technology of mining dump truck and hydraulic system, applied in the field of hydraulic system, can solve the problems of erratic steering, increased pressure, affecting the life of components, etc., and achieves the effects of simple control method, simplified steering performance, and reduced cost
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[0020] The specific implementation will be described below in conjunction with the accompanying drawings.
[0021] Such as image 3 As shown, in this embodiment, the mining dump truck hydraulic system includes a hydraulic steering system and a lifting system, and the hydraulic lifting system includes a lifting cylinder 7, a hydraulically controlled lifting valve 9, a pilot valve 6, a balance valve 10, a lifting Lifting pump 1, the lifting pump is connected to the P port of the hydraulic control lift valve, the pilot valve 6 is connected to the control oil port of the hydraulic control lift valve 9, and the A port and B port of the hydraulic control lift valve 9 are connected to the lifting cylinder Connection, the balance valve 10 is connected between the hydraulic control lift valve 9 and the lift cylinder 7;
[0022] The hydraulic steering system includes a steering cylinder 8, a steering pump 2, a steering gear 11, a differential pressure reducing valve 15, a shuttle valve...
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