The invention discloses a lifting hook automatic unhooking device of a tower crane, the lifting hook automatic unhooking device comprises a lifting pipe unit and a protection unit, the lifting pipe unit comprises a lifting pipe, a hollow cavity is arranged in the lifting pipe, a hook assembly is movably arranged in the hollow cavity, and convex columns are symmetrically arranged on the outer side wall of the lifting pipe; the protection unit is rotationally connected to the outer side wall of the hanging pipe through the convex column and comprises an unhooking piece and an anti-unhooking piece, and the unhooking piece and the anti-unhooking piece are fixed to the side wall of the rotating ring at an obtuse angle; the pipe hoisting unit is used for installing the hook and driving the protection unit to act, and the protection unit can be used for preventing a hoisting rope from being unhooked from the hook during hoisting and can also be used for unhooking the hoisting rope from a hoisting hook when a heavy object is unloaded; the whole structure is simple and ingenious, and the practicability is extremely high.

    本发明公开了一种塔式起重机的吊钩自动脱钩装置,此吊钩自动脱钩装置包括吊管单元和防护单元,其中,吊管单元,其包括吊管,所述吊管内具有中空腔,所述中空腔内活动设置有挂钩组件,所述吊管的外侧壁上对称设置有凸柱;防护单元,通过所述凸柱转动连接于所述吊管的外侧壁上,其包括脱钩件和防脱钩件,二者呈钝角分别固定在转环的侧壁上;本发明中的吊管单元用于安装挂钩和驱动防护单元动作,防护单元既可以用于防止吊运时的吊绳从挂钩上脱钩,也可以用于在卸载重物时,将吊绳从吊钩上脱钩;整体结构简单巧妙,具有极高的实用性。


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    Title :

    Automatic unhooking device for lifting hook of tower crane


    Additional title:

    一种塔式起重机的吊钩自动脱钩装置


    Contributors:

    Publication date :

    2022-05-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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