The invention discloses a stable lifting crane lifting device which comprises end beams, a main beam is mounted between the end beams, a crane carriage runs on the main beam, a lifting appliance is arranged below the crane carriage, the lifting appliance comprises a mounting frame, and a lifting hook is fixedly connected to the bottom of the mounting frame; a telescopic column is arranged between the mounting frame and the main beam, a guide rail is arranged at the bottom of the main beam, and traveling wheels are arranged at the top of the telescopic column and move along the guide rail; the telescopic column comprises a plurality of concentrically arranged sleeves, the top of the outermost sleeve is fixedly connected with an upper connecting plate, the bottom of the innermost sleeve is fixedly connected with a lower connecting plate, and the lower connecting plate is fixedly connected to the top of the mounting frame; limiting rings are arranged at the top and the bottom of the inner wall of the sleeve; an upper limiting block, a roller and a lower limiting block are arranged at the top of the outer wall of the sleeve; the lifting device is simple in structure and convenient to use, the load of the crane carriage cannot be increased, and a good stable lifting effect can also be achieved on a large-span lifting appliance.
本发明公开了一种稳定提升的起重机起升装置,包括端梁,端梁之间安装有主梁,主梁上运行有起重小车,起重小车的下方设置有吊具,吊具包括安装架,安装架的底部固定连接有吊钩;安装架与主梁之间设置有伸缩柱,主梁的底部设置有导向轨道,伸缩柱的顶部设置有行走轮,行走轮沿着导向轨道移动;伸缩柱包括若干同心设置的套筒,最外侧的套筒顶部固定连接有上连接板,最内侧的套筒底部固定连接有下连接板,下连接板固定连接在安装架顶部;套筒内壁的顶部和底部设置有限位环,套筒外壁的顶部设置有上限位块、滚轮和下限位块;本发明结构简单、使用便捷,不会增加起重小车的负载,对大跨度吊具也能起到良好的稳定提升效果。
Crane lifting device capable of stably lifting
一种稳定提升的起重机起升装置
2023-07-04
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES |
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