The invention discloses a safety hook of a tower crane, which comprises a frame body (12) and a crane steel wire rope (1), the frame body (12) is provided with a hook body (13) and two groups of pulleys (14), the crane steel wire rope (1) is wound on the pulleys (14), the safety hook is characterized in that the frame body (12) is also provided with a safety mechanism, the safety mechanism at least comprises a limiting mechanism and a locking mechanism, and the limiting mechanism is connected with the locking mechanism. The locking mechanism comprises a self-locking fan-shaped swing block (8) and a self-locking baffle (9), the self-locking fan-shaped swing block (8) and the self-locking baffle (9) are arranged on the two sides of the crane steel wire rope (1) respectively, the self-locking fan-shaped swing block (8) can swing towards the self-locking baffle (9) when the steel wire rope is broken, and the self-locking fan-shaped swing block (8) and the self-locking baffle (9) clamp the crane steel wire rope (1) after swinging.

    本发明公开了一种塔式起重机安全吊钩,包括架体(12)和起重机钢丝绳(1),所述架体(12)上设有钩体(13)和两组滑轮(14),所述起重机钢丝绳(1)绕设在滑轮(14)上,其特征在于:架体(12)上还设有保险机构,所述保险机构至少包含限制机构和锁紧机构,所述锁紧机构包含自锁扇形摆块(8)和自锁挡板(9),所述自锁扇形摆块(8)和自锁挡板(9)分别设置在起重机钢丝绳(1)的两侧,钢丝绳断裂时所述自锁扇形摆块(8)能够向自锁挡板(9)方向摆动,摆动后的自锁扇形摆块(8)和自锁挡板(9)将起重机钢丝绳(1)夹紧。


    Access

    Download


    Export, share and cite



    Title :

    Safety lifting hook of tower crane


    Additional title:

    塔式起重机安全吊钩


    Contributors:
    NIE JUN (author) / LI ZONGSHENG (author) / ZHAO LE (author) / LI JUN (author) / GONG LIWEI (author)

    Publication date :

    2025-05-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



    Safety lifting hook for lifting tower crane

    SHEN YUNDE / GU JIAYONG / ZHAO ANGUI et al. | European Patent Office | 2021

    Free access

    Tower crane lifting hook

    LI FUKUN / TANG CHUANLIN | European Patent Office | 2022

    Free access

    Lifting hook for lifting tower crane

    LUO LIANGPIAO / DU ZHONGMING / ZHANG XIAO et al. | European Patent Office | 2023

    Free access

    Lifting hook for tower crane

    SU YIKUN / ZHU YIQIANG / MA XIAOHUA et al. | European Patent Office | 2024

    Free access

    Lifting hook assembly and tower crane

    ZENG XIANGZHEN / KONG SHUANGQING / TUO LUYING | European Patent Office | 2023

    Free access