The invention relates to the technical field of cranes, in particular to a mobile crane with a gantry structure. The mobile crane with the gantry structure comprises a gantry supporting main body; a first rotating cavity is formed in the gantry supporting main body; a fist belt pulley is arranged in the first rotating cavity; a first shaft which extends downwards is fixedly arranged in the centralposition of the first belt pulley; a first transmission belt is arranged on the first belt pulley in a sliding manner; the mobile crane with the gantry structure provided by the invention is simple in structure; a telescopic gantry supporting structure is designed; when the mobile crane with the gantry structure works, the gantry supporting structure can be unfolded to ensure that the mobile crane cannot overturn because of the imbalance of the centre of gravity in a working process; moreover, the mobile crane with the gantry structure can carry a heavy object to move after the heavy object is lifted; and when the mobile crane with the gantry structure is not used, the gantry supporting structure can be folded to facilitate the movement and parking of the mobile crane with the gantry structure.

    本发明涉及起重机械领域,尤其是一种龙门结构的可移动式起重车,所述的一种龙门结构的可移动式起重车,包括龙门支撑主体,所述龙门支撑主体内部设有第一转动腔,所述第一转动腔内部设有第一带轮,所述第一带轮中心位置固设有向下延伸的第一轴,所述第一带轮上滑动设有第一传动皮带,本发明提供的一种龙门结构的可移动式起重车,本发明结构简单,设计有可伸缩的龙门支撑结构,工作时可以打开龙门支撑结构确保本发明在工作过程中,不会因为重心失衡而翻车,并且本发明提起重物之后可以携带着重物移动,当本发明不工作时,可以将龙门支撑结构收起,便于本发明的移动和停放。


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    Titel :

    Mobile crane with gantry structure


    Weitere Titelangaben:

    一种龙门结构的可移动式起重车


    Beteiligte:
    CHEN YUANBIAO (Autor:in)

    Erscheinungsdatum :

    10.04.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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