The invention belongs to the technical field of electric power construction pulleys, and discloses an electric-lifting automatic-locking fixed pulley and a method for lifting an article by means of the fixed pulley. The electric-lifting automatic-locking fixed pulley is characterized in that a pulley yoke with a hook is included; the pulley yoke is provided with a pulley with a groove, the upper side face of the pulley yoke is provided with an inverted-U-shaped support frame, a telescopic rod is arranged on an upper plate of the support frame, the lower end of the telescopic rod is provided with a pulley fork, a compressed ejection spring is arranged between the upper end of the pulley fork of the telescopic rod and the upper plate, and a brake wheel with a center shaft is arranged on the pulley fork; a circular ring is arranged at the position, corresponding to the center shaft, of the side, far away from the pulley yoke, of each side baffle, and a limited pull rope of which the end is fixedly connected with the center shaft is arranged in each circular ring in a penetrating mode. When the article arrives at the specific location, the article can stay at the location after the ropes are slowly loosened, use is more convenient, occupied personnel are few, and the human cost is greatly lowered.
Electric-lifting automatic-locking fixed pulley and method for lifting article by means of fixed pulley
2015-12-16
Patent
Electronic Resource
English
IPC: | B66D Haspeln , CAPSTANS |
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