The lifting hook comprises a lifting hook body and a crane boom head, an inner pulley block is arranged at the bottom of the crane boom head, outer pulley blocks are arranged on the two sides of the inner pulley block, side plates are installed on the two sides of the inner pulley block, and installation holes A are formed in the lower sides of the side plates; an inner plate is installed in the middle of the outer pulley block, a mounting hole B is formed in the middle of the inner plate, a pin shaft penetrates through the inner side of the mounting hole B and the inner side of the mounting hole A, and the lifting hook is installed at the bottom of the inner plate. According to the lifting hook with the variable multiplying power, the lifting hook with the variable multiplying power is formed by connecting the pin shafts, the inner pulley block and the outer pulley block are used, the multiplying power of the maximum steel wire rope is eight times, the multiplying power can be changed into four times after the pin shafts are pulled out, and therefore the lifting hook can be more convenient and rapid to replace the multiplying power.

    本发明公开了一种可变倍率的起重吊钩,包括吊钩和起重机臂头,所述起重机臂头的底部设置有内滑轮组,所述内滑轮组的两侧设置有外滑轮组,所述内滑轮组的两侧均安装有侧板,所述侧板的下侧开设有安装孔A,所述外滑轮组的中部安装有内板,所述内板的中部开始设有安装孔B,所述安装孔B和安装孔A的内侧贯穿设置有销轴,所述吊钩安装在内板的底部。该可变倍率的起重吊钩,通过销轴连接,组成可变倍率吊钩,内滑轮组和外滑轮组的使用,让最大钢丝绳的倍率为8倍,将销轴拔出后,可换成4倍率,从而让起重吊钩在更换倍率时能够更加方便快速。


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    Title :

    Lifting hook with variable multiplying power


    Additional title:

    一种可变倍率的起重吊钩


    Contributors:
    XIAO HUA (author) / YANG HUIJIE (author) / BIAN JIANTAO (author) / XUE ZHEN (author)

    Publication date :

    2023-03-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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