Winch hydraulic system controlling guide rope through stepless speed regulating constant tension
A technology of stepless speed regulation and hydraulic system, applied in clockwork mechanism, fluid pressure actuator, servo motor, etc., can solve problems such as power loss, reduce failure rate, reduce power loss, and reduce volume space Effect
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[0034] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.
[0035] see figure 1 As shown, the winch hydraulic system in the embodiment of the present invention controls the guide cable through stepless speed regulation and constant tension, including a fuel tank 1, a motor 2, a variable hydraulic pump group 3, a check valve 4, a high pressure relief valve 5, and a back pressure relief valve. Flow valve 6, motor operation valve group 7, winch motor 8, brake cylinder 9, plate relief valve 10, proportional relief valve 11, first threaded cartridge shuttle valve 12, second threaded cartridge shuttle valve 14, Two-position two-way normally closed ball valve 13 and two-position three-way electromagnetic ball valve 15.
[0036]The motor operation valve group 7 controls the hoisting operation of the winch, including a pressure reducing valve 7.1, a first electromagnetic proportional pressure reducing valve 7....
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