The invention discloses an anti-dropping lifting hook for a plate hole type lifting lug capable of quickly hooking and unhooking, which comprises a lifting lug fork block, a bearing bolt and a lock pin, the lifting lug fork block comprises a connecting part and a guide part, one end of the connecting part is used for being connected with external lifting equipment, a fork opening with a bifurcated structure is formed in the other end of the connecting part, and a workpiece to be lifted can be inserted into the fork opening; the guide part is hollow and is fixedly connected and communicated with the fork opening; the bearing bolt comprises a bolt main body, the bolt main body has at least two working positions relative to the lifting lug fork block, the bolt main body is inserted into the guide part when the bolt main body is at the first working position, and the bolt main body is inserted into the guide part and the fork opening when the bolt main body is at the second working position; the lock pin comprises a lock pin shaft, the lock pin shaft can be inserted into the guide part and the plug pin main body, so that the plug pin main body is selectively locked at the first working position or the second working position, and the anti-falling lifting hook is safer, quicker and more efficient to operate.

    本发明公开了一种可快捷挂脱钩的板孔式吊耳用防脱吊钩,包括:吊耳叉块、承重插销及锁销,吊耳叉块包括连接部和导向部,连接部一端供与外部吊装设备连接,连接部另一端上形成有为二分叉结构的叉口,以供待吊装工件插置,导向部为中空状、并与叉口固定连接且连通;承重插销包括插销主体,插销主体相对于吊耳叉块具有至少两种工作位置,在第一工作位置时,插销主体插置于所述导向部中,在第二工作位置时,插销主体插置于导向部及叉口中;锁销包括锁销轴,锁销轴可插接于所述导向部及所述插销主体中,以使得插销主体选择性的被锁定于第一种工作位置或者第二种工作位置,本发明的防脱吊钩,操作更加安全、快捷高效。


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    Title :

    Anti-dropping lifting hook for plate hole type lifting lug capable of being quickly hooked and unhooked


    Additional title:

    一种可快捷挂脱钩的板孔式吊耳用防脱吊钩


    Contributors:

    Publication date :

    2022-06-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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