The invention discloses a portal crane which comprises a portal frame which comprises a main beam, stand columns arranged at the two ends of the main beam and a lower cross beam connected with the stand columns. The cart walking mechanism is connected with the lower cross beam and used for driving the portal frame to move; the trolley mechanism is installed on the main beam, and the trolley mechanism comprises a trolley body, a pallet fork arranged on the trolley body, a trolley walking mechanism for driving the trolley body to move in the extending direction of the main beam and a rotating mechanism for driving the pallet fork to horizontally rotate; the hoisting mechanism is connected with the main beam and used for driving the main beam to do lifting motion; and the cart walking mechanism, the rotating mechanism, the trolley walking mechanism and the hoisting mechanism are all electrically connected with the control mechanism. The portal crane can meet the requirement for fetching objects on the two sides of the main beam.

    本发明公开了一种门式起重机,包括:门架,其包括主梁及主梁两端设置的立柱及与立柱相连的下横梁;大车行走机构,其与所述下横梁连接,用于驱动所述门架进行移动;小车机构,其安装在主梁上,所述小车机构包括小车本体、设于小车本体上的货叉、驱动小车本体沿所述主梁延伸方向运动的小车行走机构以及驱动所述货叉水平旋转的旋转机构;起升机构,其与主梁连接,用于驱动所述主梁进行升降运动;控制机构,所述大车行走机构、旋转机构、小车行走机构及起升机构均与所述控制机构电连接。该门式起重机可以实现主梁两侧的取物要求。


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    Titel :

    Portal crane


    Weitere Titelangaben:

    一种门式起重机


    Beteiligte:
    LI JIAZHE (Autor:in) / LUO JIANKANG (Autor:in)

    Erscheinungsdatum :

    2023-08-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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