Drive system for wire rope hoists

Details Drive system for wire rope hoists Drive system for wire rope hoists

B - Operations, Transporting

66

B

187/10

B66B 7/06 (2006.01) B66B 11/08 (2006.01)

Patent

CA 1169365

ABSTRACT A traction drive system for wire lope hoists has a hoist cage, carried by a single loop of ropes that passes through a traction sheave and the ends of which are each connected to a drum. The drums are mounted on top of the hoist cage and mutually coupled for rotation with different peripheral speeds under the action of the driven movement of the loop, the end portions of the loop extending in opposite directions over the respective drums. The drums may be coaxially arranged on the same axis of rotation and have different diameters and be rigidly interconnected. The arrangement eliminates the need for a counterweight and of compensation for rope unbalance.

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