The present invention relates to a folding safety latch for a crane hook, which is formed by two pieces to be folded. According to the present invention, the folding safety latch for a crane hook comprises: a main latch installed to connect one end to a main bolt for a hinge, wherein main torsion spring is inserted into a hinge part formed on a hook body, which is the periphery of the mouth of the hook; a sub-latch installed to connect the other end of the main latch by a sub-bolt for the hinge; and a sub torsion spring inserted into the sub-bolt for the hinge in order to fold the sub-latch. Accordingly, the safety latch is able to quickly and safely open/close the mouth of the hook when separating a wire rope or a lifting tool.

    본 발명은, 안전걸쇠를 2개의 편으로 구성하여 접을 수 있도록 한 크레인용 훅의 접이식 안전걸쇠로, 훅의 입구 주변인 훅 몸체에 형성된 힌지부에 주 토션 스프링이 삽입된 힌지용 주 볼트로 한쪽 끝단이 연결 설치되는 주 걸쇠와, 상기 주 걸쇠의 다른 쪽 끝단에 힌지용 보조 볼트로 연결 설치되는 보조 걸쇠와, 상기 보조 걸쇠를 젖힐 수 있도록 힌지용 보조 볼트에 삽입되는 보조 토션 스프링을 포함하여 구성됨으로써 와이어로프나 인양장구의 분리시 안전걸쇠 신속하고 안전하게 훅의 입구를 개폐할 수 있도록 한 것을 특징으로 한다.


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    Title :

    FOLDING SAFETY RING FOR CRANE HOOK


    Additional title:

    크레인용 훅의 접이식 안전걸쇠


    Contributors:

    Publication date :

    2018-07-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B66C Krane , CRANES



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