Leveling Hydraulic Control System of Subframe for Leveling Dump Truck
A technology of a hydraulic control system and a sub-frame, which is applied to fluid pressure actuating system components, fluid pressure actuating devices, vehicles that tilt and carry motion, etc., can solve problems such as rollover, and achieve the effect of solving rollover safety accidents.
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[0013] The present invention will be further described below in conjunction with the accompanying drawings.
[0014] Such as figure 1 As shown, the present invention includes a fuel tank 22, a hydraulic pump 1, a first electromagnetic reversing valve 19, a first pilot check valve 14, a second pilot check valve 15, a third pilot check valve 16, a first Hydraulic cylinder 8, second hydraulic cylinder 9, third hydraulic cylinder 10, fourth hydraulic cylinder 11, the oil tank 22 is connected with the oil inlet of hydraulic pump 1, and the oil outlet of hydraulic pump 1 is connected with the first electromagnetic reversing valve 19 The oil inlet P of the first oil pipe 2 is connected through the first oil pipe 2, the oil return port R of the first electromagnetic reversing valve 19 is connected with the oil tank 22 through the second oil pipe 3, and an oil filter is installed at the end of the oil outlet of the second oil pipe 3 21. The first oil outlet A of the first electromagne...
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