摘要 |
PROBLEM TO BE SOLVED: To simplify piping work to the utmost when a hydraulic winch with a clutch is mounted on a mother machine. SOLUTION: The hydraulic winch comprises a hydraulic motor 1, a drum 2, the clutch 3 for disengaging the hydraulic motor and the drum, and a clutch actuator 4 for actuating the clutch, wherein the clutch actuator is actuated by oil pressure introduced from a pilot port PP thereof to couple the hydraulic motor and the drum. The pilot port and a drain port DP of the hydraulic motor are interconnected to cause oil pressure discharged from the drain port to actuate the clutch actuator.
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