The invention discloses a hoisting structure for a double-portal crane, and relates to the technical field of cranes, the hoisting structure comprises a cross beam, the lower surface of the cross beam is fixedly connected with a main beam, the upper surface of the cross beam is slidably connected with a hoisting trolley, the lower surface of the hoisting trolley is fixedly connected with a mounting frame, and the lower surface of the mounting frame is fixedly connected with a fixing frame; a movable frame is fixedly connected to the lower surface of the main beam, cavities are formed in the inner walls of the mounting frame and the fixed frame, and through cooperative arrangement of the fixed frame, a first mounting rod, a partition plate, a first roller, a second roller, a shell, a movable plate, a first spring, a connecting frame and a pulley, a steel wire rope passes through the inner side walls of the first roller and the second roller correspondingly, so that the first roller and the second roller are fixed; the steel wire rope separation device has the advantages that the steel wire rope is separated conveniently, the device has a certain buffering effect through the pulleys, friction of the steel wire rope to the surface of the device is avoided, the protection effect is achieved, and the protection purpose is achieved.
本发明公开了一种双门式起重机用起吊结构,涉及起重机技术领域,包括横梁,所述横梁的下表面与主梁固定连接,所述横梁的上表面滑动连接有起吊小车,所述起吊小车的下表面固定连接有安装架,所述安装架的下表面固定连接有固定架,所述主梁的下表面固定连接有移动架,所述安装架与固定架的内壁均开设有空腔,通过固定架、第一安装杆、隔板、第一辊轮、第二辊轮、外壳、活动板、第一弹簧、连接架和滑轮之间的配合设置,通过钢丝绳分别经过第一辊轮和第二辊轮的内侧壁,便于将钢丝绳进行分开,之后通过滑轮,通过滑轮使装置具备了一定的缓冲效果,避免钢丝绳对装置表面造成摩擦,从而起到了防护的作用,达到了防护的目的。
Hoisting structure for double-portal crane
一种双门式起重机用起吊结构
2023-08-08
Patent
Electronic Resource
Chinese
Double-portal crane for hoisting prefabricated box girder
European Patent Office | 2025
|Rolling type hoisting mechanism of double-bridge portal crane
European Patent Office | 2023
|