Pure water hydraulic system for driving of mechanical arm joint and control method of pure water hydraulic system
A hydraulic system and manipulator technology, applied in the pure water hydraulic system driven by manipulator joints and its control field, can solve pollution and other problems, achieve the effect of satisfying high precision and realizing precise digital control
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[0014] The present invention provides a hydraulic system of a hydraulic manipulator, and the specific implementation will be further described below in conjunction with the accompanying drawings. like figure 1 As shown, it mainly includes hydraulic power source, hydraulic high-frequency electromagnetic switch valve group, hydraulic rotary actuator and monitoring and control system. A filter (3) is installed at the inlet of the hydraulic plunger pump (1) and Driven by a submersible motor (2), the outlet of the hydraulic plunger pump (1) is connected in parallel with the second hydraulic high-frequency electromagnetic switch valve (7), the third hydraulic high-frequency electromagnetic switch valve (8) and the hydraulic overflow valve ( 4), wherein the inlet of the water pressure relief valve is equipped with a pressure gauge (5); the outlet of the second water pressure high-frequency electromagnetic switch valve (7) is divided into two paths: one path is connected with the wate...
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