A portable portal frame for assembling and disassembling fan blades comprises a pair of portal frame supports, a hanging beam, a lifting device and a telescopic oil cylinder. The portal support comprises a base with universal wheels, a supporting seat and a supporting column, a driving mechanism capable of driving the base to rotate is arranged at the top of the base, the supporting seat is installed on the driving mechanism, a supporting seat pin sleeve is arranged at the top of the supporting seat, the bottom end of the supporting column is hinged to the supporting seat pin sleeve, and the supporting column is installed on the supporting seat pin sleeve. A supporting column pin sleeve is arranged at the top of the supporting column; the front end of the hanging beam is hinged to one supporting column pin sleeve, and the rear end of the hanging beam is adjustably hinged to the other supporting column pin sleeve. The lifting device is mounted on the lifting beam in a sliding manner; the telescopic oil cylinder is detachably installed on the side face of the supporting column. The portal frame can quickly form a structure in a folded and vertical form, is suitable for places where hoisting working positions need to be frequently replaced and large-range transfer needs to be carried out, can be integrally loaded and transported under the cooperation of an auxiliary crane, and can be conveniently and efficiently moved and transported in a large range.
一种用于风机叶片装卸的便携式门架,包括一对门架支座、吊梁、起重装置和伸缩油缸;门架支座包括带有万向滚轮的底座、支承座和支柱,所述底座的顶部设置有可驱动其转动的驱动机构,所述支承座安装于驱动机构上,所述支承座的顶部设置有支承座销套,所述支柱的底端铰接于支承座销套上,所述支柱的顶部设置有支柱销套;吊梁前端铰接于一支柱销套上,吊梁的后端位置可调地铰接于另一支柱销套上;起重装置可滑移地安装于吊梁上;伸缩油缸可拆卸地安装于支柱的侧面。本发明的门架能快速形成折叠和竖立形态的结构,适用于需要频繁更换吊装工作位置、大范围转移的场所,还能在辅助吊机的配合下整体装车运输,可实现在较大范围内便携、高效的移运。
Portable portal frame for assembling and disassembling fan blades
一种用于风机叶片装卸的便携式门架
2024-03-08
Patent
Elektronische Ressource
Chinesisch
IPC: | B66C Krane , CRANES |
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