A hook span adjustment device of a crane is provided. The hook span adjustment device according to the present invention comprises: a hook having a hanger pin; a base part for supporting a hook beam and the hook on the ground; a pair of derivatives for selectively coupling the hanger pin of the hook to a first hanger pin groove or a second hanger pin groove; and a hook lifting part for pushing the hook up along the derivative. The present invention is to provide the hook span adjustment device of a crane that allows a position of the hanger pin hanging the hook on the hook beam to be selectively and quickly adjusted at once in any one of a molten iron charging mode and a scrap metal charging mode when adjusting a hook span of the crane.

    크레인의 후크 스팬 조정 장치를 제공한다. 본 발명에 따른 후크 스팬 조정 장치는, 행거핀을 갖는 후크, 후크 빔과 후크를 지면에 지지하기 위한 베이스부, 제1 행거핀 홈 또는 제2 행거핀 홈에 후크의 행거핀을 선택적으로 결합시키기 위한 한 쌍의 유도체, 및 후크를 유도체를 따라 밀어 올려주기 위한 후크 상승부를 포함한다.


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    Title :

    DEVICE FOR ADJUSTING HOOK SPAN OF CRANE


    Additional title:

    크레인의 후크 스팬 조정 장치


    Contributors:
    LEE JEONGMUK (author) / HWANG JISU (author) / KIM JUNSOO (author) / KIM EUNYOUNG (author) / SONG YONGDAL (author)

    Publication date :

    2023-02-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B66C Krane , CRANES




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