Double-drum winch

Details Double-drum winch Double-drum winch

B - Operations, Transporting

66

D

254/72

B66D 1/14 (2006.01) B66D 1/26 (2006.01)

Patent

CA 1084039

ABSTRACT OF THE DISCLOSURE A double-drum winch having a single power transmission train for both a hook drum and a boom drum. The power transmission train comprises a high speed clutch and a low speed clutch mounted on a single first clutch shaft which is in turn mounted for rotation on a winch frame, a hook lowering clutch and a boom lowering clutch mounted on a single second clutch shaft which is in turn rotatably mounted on the frame, and a hook hoisting clutch and a boom hoisting clutch mounted on a single third clutch shaft which is in turn rotatably mounted on the frame, the second clutch shaft being located between the first and third clutch shafts and engageable with both the clutch shafts. The power transmission train is con- nected with the hook drum and the boom drum via a hook brake shaft and a boom brake shaft, respectively. - 13 -

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