The invention provides a variable-magnification lifting hook device and a using method thereof.The variable-magnification lifting hook device comprises a fixed pulley block connected with an arm head, a lifting rope and a movable pulley block connected with the fixed pulley block through the lifting rope, a lifting hook is connected to the middle of the lower end of the movable pulley block, and the movable pulley block comprises a movable pulley frame; two ends of the movable pulley frame are respectively connected with a first movable pulley and a second movable pulley which are parallel, the middle of the upper end of the movable pulley frame is connected with a separable third movable pulley, and the lower end of the fixed pulley block is provided with a lifting rope fixing hole and a movable pulley fixing hole I and a movable pulley fixing hole II which are used for hanging the third movable pulley. By adjusting the installation position of the third movable pulley and the winding mode of the lifting rope, rapid switching of 2/3/4 multiplying power can be achieved, it is guaranteed that the multiplying power can be rapidly and accurately adjusted in the lifting process, various lifting requirements are met, and therefore the flexibility and efficiency of lifting operation are further improved.

    本申请提供了提供了一种可变倍率吊钩装置及其使用方法,包括与臂头连接的定滑轮组、吊绳以及通过所述吊绳与所述定滑轮组连接的动滑轮组,所述动滑轮组下端中间连接有吊钩,所述动滑轮组包括动滑轮架,所述动滑轮架两端分别连接有并列的第一动滑轮和第二动滑轮,所述动滑轮架上端中间连接有可分离的第三动滑轮,所述定滑轮组下端设有吊绳固定孔和用于悬挂所述第三动滑轮的动滑轮固定孔Ⅰ、动滑轮固定孔Ⅱ。通过调整第三动滑轮的安装位置以及吊绳的缠绕方式,能够实现2/3/4倍率的快速切换,以确保在吊装过程中能够迅速且准确地调整倍率,满足各种吊装需求,从而进一步提高吊装作业的灵活性和效率。


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    Title :

    Variable-multiplying-power lifting hook device and using method thereof


    Additional title:

    一种可变倍率吊钩装置及其使用方法


    Contributors:
    WANG CHENGYUN (author) / LIU ZUNZHENG (author) / WANG WENHAO (author)

    Publication date :

    2025-03-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES / B66D Haspeln , CAPSTANS



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