The portable portal frame comprises a cross rod, a lifting hook and a wire winding mechanism, the two ends of the cross rod are detachably connected with supports respectively, and the bottoms of the supports are connected with at least two moving wheels; the winding mechanism is arranged on the cross rod, the output end of the winding mechanism is connected with the lifting hook through a rope, and the winding mechanism is used for folding or unfolding the rope so as to increase or decrease the height of the lifting hook. The device has the advantages of being simple in structure and convenient to operate and carry, the labor intensity of operators is effectively relieved, the working efficiency is improved, and the cost is reduced.
本发明公开了一种便携式龙门架,包括横杆、吊钩及卷线机构,所述横杆的两端分别可拆卸连接有支架,所述支架的底部连接有至少两个移动轮;所述卷线机构装设于所述横杆上,所述卷线机构的输出端和所述吊钩之间通过绳索连接,所述卷线机构用于收拢或展开所述绳索,以提升或降低所述吊钩的高度。本发明具备了结构简单、操作方便以及便于携带的优点,且有效减轻操作人员的劳动强度,提高工作效率,降低成本。
Portable portal frame
一种便携式龙门架
2022-05-27
Patent
Electronic Resource
Chinese
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last / B66C Krane , CRANES / B66D Haspeln , CAPSTANS |
Portable portal frame for assembling and disassembling fan blades
European Patent Office | 2024
|