The present disclosure discloses a crane, including: a chassis; a rotatable platform, rotatably arranged on the chassis; a main arm, including a first end hinged with a first end of the rotatable platform, and a second end for lifting a weight; a mast, configured to luff the main arm, wherein a first end of the mask is hinged with the first end of the rotatable platform, and a second end of the mast is connected to the second end of the main arm and a second end of the rotatable platform; and a first independent counterweight system, including a first independent counterweight, and a connecting structure connected between the first independent counterweight and the rotatable platform, wherein the connecting structure is configured to enable the first independent counterweight to be in a partial working state, and in the partial working state, the first independent counterweight is supported on the ground and the weight of the first independent counterweight is supported jointly by the ground and the rotatable platform.


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    Titel :

    クレーン


    Erscheinungsdatum :

    2024-04-12


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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