Patent ID: 11919748
Assignee: CHINA UNIVERSITY OF MINING AND TECHNOLOGY
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 3:
4. The hoist for the transferred materials in the underground auxiliary transportation system according to claim 3, further including a rope-pulling mechanism, wherein the rope-pulling mechanism includes:
a first fixed pulley, a second fixed pulley, a movable pulley, a wire rope and a second hydraulic cylinder, wherein one end of the wire rope is fixed on the first movable cross beam unit, and another end of the wire rope is fixedly connected with the second movable cross beam unit after passing by an upper end of the first fixed pulley, a lower end of the movable pulley and an upper end of the second fixed pulley sequentially, and
one end of the second hydraulic cylinder is fixed on an inner wall of the fixed cross beam unit, and an end of a piston rod of the second hydraulic cylinder is connected with the movable pulley.