The invention discloses a deceleration control device for emergency stop of a tower crane. The device comprise a tower crane positioning supporting column, a rotating sleeve seat is rotatably mountedat the top end of the tower crane positioning supporting column, side anti-turning-around mechanisms are symmetrically mounted on the rotating sleeve seat and located on both sides of the tower cranepositioning supporting column, each side anti-turning-around mechanism comprises an iron plate fixedly mounted on the outer side wall of an anti-turning-around abutting block, electromagnets are separately attacked and fixed to the upper end and the lower end of the iron plate, the electromagnets are in fixed supported connection to a lateral support through T-shaped support rods, the middle position of the outer side wall of the iron plate is integrally connected to a telescopic column through a fixing block, the telescopic column is slidably inserted into an inner cavity of a positioning cylinder, the positioning cylinder is fixedly installed on the lateral support, and the bottom of the inner cavity of the positioning cylinder and the telescopic column are provided with a compression spring II and a compression spring I respectively. The technical scheme is adopted, the structure is simple, assembly and installation are convenient, and the safety guarantee is provided for building operation.
本发明公开了一种塔式起重机急停用减速控制装置,包括塔机定位支柱,塔机定位支柱的顶端转动安装设有旋转套座,旋转套座上且位于塔机定位支柱的两侧对称安装设有侧防回转机构,侧防回转机构包括的防回转抵块的外侧壁上固定安装设有铁板,铁板的上下两端分别吸附固定设有电磁铁,电磁铁通过T形支杆与侧向支架之间相固定支撑连接,铁板的外侧壁中间位置处通过固定块一体连接伸缩柱伸缩柱,伸缩柱滑动插设在定位筒的内腔中,定位筒固定安装设置在侧向支架上,且定位筒的内腔底部、伸缩柱上分别设置有紧压弹簧二、紧压弹簧一。采用本技术方案,其结构简单,装配安装方便,为建筑作业提供了安全保障。
Deceleration control device for emergency stop of tower crane
一种塔式起重机急停用减速控制装置
2020-10-30
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES |
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