The invention discloses a safety fastener for a tower crane boom. The safety fastener comprises a frame body, the frame body comprises a horizontal part and extending parts extending in the same direction from the two ends of the width direction of the horizontal part, a rotating plate is arranged at the position, away from the horizontal part, of the outer side of one extending part, a rotating limiting disc is installed on the rotating plate, the limiting disc comprises three or more clamping plates, and an opening of the frame body is overlapped with at least one clamping plate. According to the safety fastener for the tower crane boom, the safety fastener slides for a long distance along the supporting cross rod, so that a worker does not need to frequently position the safety fastenerfor the tower crane boom, the safety of the worker is ensured, and the efficiency of the worker is improved.

    本发明公开了一种塔吊吊臂安全扣件,包括框体,框体包括一个水平部,水平部宽度方向两端向同一方向延伸的延伸部,其中一个延伸部外侧远离水平部的位置设置有转板,转板上安装有旋转的限位盘,限位盘包括不少于三个的卡接板,框体的开口至少与一个卡接板重叠;本塔吊吊臂安全扣件,沿支撑横杆滑动较长的距离,工作人员不需要频繁的本塔吊吊臂安全扣件的位置,保证工作人员的安全、提高工作人员的效率。


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    Title :

    Safety fastener for tower crane boom


    Additional title:

    一种塔吊吊臂安全扣件


    Contributors:
    JING CAILI (author)

    Publication date :

    2020-11-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES / A62B DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING , Vorrichtungen, Geräte oder Verfahren zur Lebensrettung



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