The invention relates to the technical field of cranes, in particular to a road and bridge dual-purpose portal crane. According to the technical scheme, the device comprises a supporting frame, a mounting plate and a motor, a top plate is fixedly connected to the top of the supporting frame, a case is fixedly connected to one side of the top plate, the mounting plate is fixedly connected to the bottom of the supporting frame, a threaded plate is fixedly connected to the interior of the mounting plate, and a mounting rod is mounted in the threaded plate in a threaded mode; threaded blocks are installed on the peripheries of the lead screws through threads. According to the device, the top plate is fixedly connected to the top of the supporting frame, when the device is used, a worker can drive the mounting rod to conduct threaded rotation in the threaded plate by rotating the rotating disc, at the moment, the mounting rod can transversely penetrate through the threaded plate and the mounting plate to drive the device to be mounted and dismounted, and the use convenience of the device is improved.
本发明涉及起重机技术领域,尤其涉及一种路桥两用门式起重机。其技术方案包括:支撑架、安装板和电机,支撑架顶部固定连接有顶板,顶板一侧固定连接有机箱支撑架底部固定连接有安装板,安装板内部固定连接有螺纹板,螺纹板内部螺纹安装有安装杆,顶板内部活动连接有丝杆,丝杆外围螺纹安装有螺纹块。本发明通过在支撑架顶部固定连接有顶板,当装置进行使用时,工作人员可通过旋转转盘带动安装杆在螺纹板内部进行螺纹旋转,此时可通过安装杆横向穿插螺纹板与安装板带动装置进行安装与拆卸,提升了装置使用的便捷性。
Road and bridge dual-purpose portal crane
一种路桥两用门式起重机
2022-10-21
Patent
Electronic Resource
Chinese
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