Quantitative open hydraulic drive system of an off-road scissors fork high-altitude operation platform
A technology for aerial work platforms and hydraulic control systems, which is applied to fluid pressure actuating system components, lifting devices, fluid pressure actuating devices, etc., can solve the problems of complex operation, inconvenient maintenance, etc. The effect of strong traction
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[0039] A quantitative open-type hydraulic drive system of an off-road scissor aerial work platform includes a front drive, a rear drive, two quantitative pumps and a hydraulic control system.
[0040] Both the front drive and the rear drive are provided with two hydraulic drive wheels, including a front drive left wheel, a front drive right wheel, a rear drive left wheel and a rear drive right wheel;
[0041] Four driving modes can be controlled in the hydraulic control system, including:
[0042] 1). Gear I forward / reverse drive mode: This gear only achieves the lowest speed. It can be seen that the hydraulic oil of 1 component is respectively led to the four hydraulic drive wheels, so the theoretical distribution of each hydraulic drive wheel is 1 / 4 component;
[0043] 2). II gear forward / reverse drive mode: In this gear, the solenoid valve controls the on-off of the oil circuit, and then controls the on-off of the hydraulic control valve to realize the oil circuit on-off o...
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