Hydraulic system for overhead working truck
A technology of aerial work vehicle and hydraulic system, applied in the field of hydraulic system, can solve the problem that the boom cannot be retracted, and achieve the effects of saving manpower, increasing stability and improving reliability
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[0017] Such as figure 1 As shown, a hydraulic system for an aerial work vehicle includes a fuel tank 132, a hydraulic pump 104, the hydraulic pump 104 is a gear pump, and the oil inlet of the hydraulic pump 104 is connected to the fuel tank 132, and it also includes a hydraulic system for getting off the outrigger , the hydraulic system of the working device for boarding, the hydraulic system for emergency release and the selection valve 107 for getting on and off the car, the selection valve for getting on and off the car 107 is a two-position three-way electromagnetic reversing valve, the oil outlet of the hydraulic pump 104 is connected to the oil inlet of the getting on and off the car selection valve 107 The first oil outlet of the getting on and off selection valve 107 is connected with the hydraulic system of the boarding working device, and the second oil outlet of the getting on and off selection valve 107 is connected with the hydraulic system of the outriggers; The ...
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