The lifting hook comprises a pull rod, a movable hook and a pin shaft, the pull rod is vertically arranged, the upper end of the pull rod is of a lifting hook connecting structure, the lower portion of the pull rod is provided with a long slotted hole which is through in the front-back direction and open in the lower side, the lower portion of the right side of the long slotted hole is provided with a limiting check block, and a first pin hole is formed in the position, above the limiting check block, of the pull rod in the left-right direction; the movable hook is in a long-strip plate shape, is vertically arranged in the long groove hole and is located on the left side of the limiting check block, a second pin hole corresponding to the first pin hole is formed in the movable hook, the pin shaft penetrates through the first pin hole and the second pin hole to rotatably connect the movable hook with the pull rod, the second pin hole is located above the gravity center of the movable hook, and a connecting hole is formed in the movable hook and located below the gravity center of the movable hook. And an inhaul cable is bound and connected in the connecting hole. The unhooking device is scientific in principle and simple in structure, the unhooking operation time can be greatly shortened, the hoisting operation efficiency is improved, manual participation is not needed in the unhooking process, and the hoisting operation safety is improved.

    本发明公开了一种可自动脱钩的吊钩,包括拉杆、动钩和销轴,拉杆竖向设置,拉杆上端为吊钩连接结构,拉杆下部开有前后通透、下侧敞口的长槽孔,长槽孔右侧下部设有限位挡块,拉杆上在限位挡块上方沿左右方向开设有开有第一销孔,动钩为长条板状,动钩竖向设置在长槽孔内并位于限位挡块左侧,动钩上开设有与第一销孔对应的第二销孔,销轴穿过第一销孔和第二销孔将动钩与拉杆转动连接,第二销孔位于动钩重心上方,动钩上在动钩重心下方设有连接孔,连接孔内绑扎连接有拉索。本发明原理科学、结构简单,可大大缩短脱钩作业时间,提高吊装作业效率,而且脱钩过程不需要人工参与,提高了吊装作业安全性。


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    Title :

    Lifting hook capable of automatically unhooking


    Additional title:

    一种可自动脱钩的吊钩


    Contributors:
    GUO ZILU (author) / CHU XINDONG (author) / GUO ZHENG (author) / XUE XINSHUN (author) / WANG GUOHUI (author) / ZHANG SUNA (author) / GUO JIABAO (author) / ZHANG HAI (author) / CHEN DONGHAI (author) / LIU WEI (author)

    Publication date :

    2022-12-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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