The invention relates to the technical field of hoisting equipment, particularly to a limiting pull ring of a lever block. The limiting pull ring comprises a limiting base, wherein the limiting base comprises a first support connection limiting block and a second support connection limiting block; the bottoms of the first support connection limiting block and the second support connection limiting block are fixed at the top of a pull ring plate; an imbedding groove is formed in the interval between the first support connection limiting block and the second support connection limiting block; a first bolt imbedding hole is formed in the first support connection limiting block; a second bolt imbedding hole and a bolt limiting hole are formed in the second support connection limiting block; the bore diameter of the bolt limiting hole is smaller than that of the second bolt imbedding hole; a limiting bolt capable of simultaneously penetrating through the first bolt imbedding hole, the imbedding groove, the final chain ring of the loose end of a hoisting chain, and the second bolt imbedding hole is arranged in the communicating space of the first bolt imbedding hole and the second bolt imbedding hole, and the diameter of the limiting bolt is greater than that of the bolt limiting holes. The limiting pull ring is firm and stable in structure, safe to use and excellent in limiting effect, and facilitates operation and high-load operation.


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    Titel :

    Limiting pull ring of lever block


    Beteiligte:
    FAN LIPING (Autor:in) / ZHU YUEJIN (Autor:in) / WANG HONGHUA (Autor:in) / YANG WEIBO (Autor:in)

    Erscheinungsdatum :

    2015-12-23


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66D Haspeln , CAPSTANS



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