The invention discloses a super hoisting device, an operation method of the super hoisting device and a crane. The super hoisting device comprises a telescopic boom (10), a tightening device (20) and a super hoisting support (30). The super hoisting support (30) is connected between the telescopic boom (10) and the tightening device (20). The super hoisting device further comprises a winding device (40) arranged on the super hoisting support (30). The winding device (40) is provided with at least three dragging mechanisms. Tightening fixing structures (50) are arranged in different positions of the telescopic boom (10) in the length direction of the telescopic boom (10) respectively and located at the portion, between the top end of the telescopic boom (10) and the super hoisting support (30), of the telescopic boom (10). The dragging mechanisms can be connected to the tightening fixing structures in the different positions of the telescopic boom, so that the stress of the telescopic boom is effectively changed, stability is improved, and the deflection of each boom joint (12) can be effectively controlled.


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    Titel :

    Super hoisting device, operation method thereof and crane


    Beteiligte:
    ZHANG JIANJUN (Autor:in) / ZHANG LIANG (Autor:in) / LUO XIANZHI (Autor:in)

    Erscheinungsdatum :

    22.04.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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