Quantitative pump hydraulic control system of work mechanism of underground carrying scraper
A technology of hydraulic control system and working mechanism, which is applied to mechanically driven excavators/dredgers, mechanical equipment, fluid pressure actuators, etc., to achieve the effects of reducing mining costs, solving excessive energy consumption, and improving traction
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[0019] The preferred specific implementation of the hydraulic control system of the quantitative pump of the working mechanism of the underground scraper of the present invention is:
[0020] It includes a steering oil pump, a steering multi-way valve, a working oil pump, a working multi-way valve, and a pilot valve. There are multiple control oil paths between the pilot valve and the working multi-way valve, and the outlet oil path of the steering oil pump Connected with the inlet oil circuit of the steering multi-way valve, the middle outlet oil circuit of the steering multi-way valve and the outlet oil circuit of the working oil pump are combined into one oil circuit and connected with the inlet oil circuit of the working multi-way valve ;
[0021] The middle outlet oil circuit of the steering multi-way valve or the outlet oil circuit of the working oil pump is provided with a pressure relief bypass, and the pressure relief bypass is provided with a hydraulically controlled two-...
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