Light-weight electric hoist with adjustable wheel track for crane

• Main Authors: LUO XUHUA, CHEN XINJIA, YE CHANGQUAN, ZHU SILIANG, RUAN SULI, SUN HUANGJIE, ZHANG QIAOHUI, ZHENG FANGGAN, HE HANGPING
• Format: Patent
• Language: Chinese; English
• Published: 07.04.2023
• Subjects: CRANES; HAULING; HOISTING; LIFTING; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES; PERFORMING OPERATIONS; TRANSPORTING

The wheel track adjustable electric hoist for the light-weight crane comprises a front supporting frame and a rear supporting frame, a winch fixing frame is fixed to the front portion of the front supporting frame, and a winch is fixed to the winch fixing frame; adjusting screws are fixed to the front wall faces of the left portion and the right portion of the rear supporting frame, the front ends of the adjusting screws extend out of connecting through holes in the left portion or the right portion of the front supporting frame, transmission chain wheels are movably connected to the front wall faces of the left portion and the right portion of the front supporting frame through bearings, and the adjusting screws are connected into threaded through holes in the middles of the transmission chain wheels in a threaded mode. The front supporting frame and the rear supporting frame are located on the two sides of the main beam of the crane, so that the hoisting height of the crane is close to the bottom face of th