The invention provides a lifting hook multiplying power switching system of a small and medium-sized movable arm tower crane, and belongs to the technical field of lifting hook multiplying power switching, the lifting hook multiplying power switching system comprises an arm support, a steel wire rope and a lifting hook, the arm support is connected with the lifting hook through the steel wire rope, the lifting hook comprises a main hook and an auxiliary hook, the auxiliary hook is arranged at the upper end of the main hook and detachably arranged with the main hook, and the auxiliary hook is detachably connected with the arm support. After the auxiliary hook and the arm support are detached, the auxiliary hook is connected with the arm support through a steel wire rope and connected with the main hook. On the premise that the steel wire rope is not disassembled and wound again, four/three/two multiplying power rope penetrating mode switching of the lifting hook of the movable arm tower crane is completed, and the project construction progress is not affected while the lifting performance of the movable arm tower crane is fully exerted.
本发明提供一种中小型动臂塔式起重机吊钩倍率切换系统,属于吊钩倍率切换技术领域,包括臂架、钢丝绳和吊钩,臂架通过钢丝绳与吊钩连接,吊钩包括主钩和副钩,副钩设置在主钩的上端,并与主钩可拆卸设置,副钩与臂架可拆卸连接,副钩与臂架拆卸后,副钩与臂架通过钢丝绳连接,同时副钩与主钩连接。本发明在不拆卸和重新穿绕钢丝绳的前提下,完成动臂塔机吊钩四/三/二倍率穿绳方式切换,在充分发挥动臂塔机吊装性能的同时,不影响项目施工进度。
Hook multiplying power switching system of small and medium-sized luffing jib tower crane
一种中小型动臂塔式起重机吊钩倍率切换系统
2025-02-25
Patent
Electronic Resource
Chinese
Large luffing jib tower crane hook multiplying power switching assembly
European Patent Office | 2025
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