The invention discloses a travelling crane on a construction site. The travelling crane comprises a crane body, wherein the crane body is installed on a crawler chassis, a hydraulic cylinder is installed on the upper end of the crane body, a piston rod of the hydraulic cylinder is connected with a connecting piece by virtue of a rotating shaft, the connecting piece is installed on a support arm, apulley is installed on the upper end of the support arm, a steel wire rope is arranged on the pulley, a lifting hook is connected to one end of the steel wire rope by virtue of a connecting ring, ananti-falling mechanism is arranged on the lifting hook, the anti-falling mechanism comprises a wedge-shaped seat, a telescopic spring, a telescopic guide post, a mounting base, a limiting post and a rotating shaft, the mounting base is connected to the wedge-shaped seat by virtue of the telescopic spring and the telescopic guide post, the limiting post is installed on the mounting base by virtue of the rotating shaft, and the limiting post is inserted into the lifting hook. According to the travelling crane on the construction site, to-be-lifted objects are firmly hung on the lifting hook through the anti-falling mechanism, and the objects are difficult to fall from the lifting hook, so that the objects cannot be damaged, working personnel cannot be hurt, and the use is safe and reliable.
本发明公开了一种建筑工地移动式起重装置,包括车体,车体安装在覆带底盘上,车体的上端安装有液压缸,液压缸的活塞杆通过转轴与连接件连接,连接件安装在支撑臂上,支撑臂的上端安装有滑轮,滑轮上设置有钢丝绳,钢丝绳的一端通过连接环连接有吊钩,吊钩上设置有防脱机构,防脱机构包括楔形座、伸缩弹簧、伸缩导向柱、安装座、限位柱和转轴,楔形座通过伸缩弹簧和伸缩导向柱连接有安装座,安装座通过转轴安装有限位柱,限位柱插入吊钩内。本发明的建筑工地移动式起重装置,需要起重的物品通过防脱机构牢固的悬挂在吊钩上且使物品不易从吊钩上脱落,不会造成物品损坏及伤害工作人员的情况发生,使用安全可靠。
Travelling crane on construction site
一种建筑工地移动式起重装置
2020-10-09
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES |
European Patent Office | 2024
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