The invention discloses a span and height adjustable portal lifting device in a closed plant, and relates to the technical field of portal cranes, the span and height adjustable portal lifting device comprises a plurality of foundation supporting legs, connecting supporting legs are arranged at one ends of the foundation supporting legs, and adjusting assemblies are arranged between the foundation supporting legs and the connecting supporting legs; the other ends of every two adjacent connecting supporting legs are connected with the bottoms of main beams, the upper ends of the two main beams are connected with the bottom end of an upper beam, the other ends of the two basic supporting legs are connected with the upper end of a bottom beam, large shaft supports are symmetrically and fixedly arranged on third connecting plates at the bottom end of the bottom beam, and driving mechanisms are arranged on the inner sides of the large shaft supports. According to the lifting device, the height of a lifting point of the lifting device is conveniently adjusted by additionally arranging the heightening supporting legs, one end of the mounting beam is connected and mounted with mounting holes in different positions of the first connecting plate, so that the supporting span is adjusted, the auxiliary beam and the tackle are connected through a shackle, and the lifting device is convenient to use. Therefore, the large-angle inclination of the lifting hook and the lifting point is realized.

    本发明公开了一种封闭厂房内跨度和高度可调的门式起重装置,涉及门式起重机技术领域,包括基础支腿,若干个所述基础支腿一端设有连接支腿,所述基础支腿与连接支腿之间设有调节组件,相邻两个所述连接支腿另一端与主梁底部连接,两个所述主梁上端与上梁底端连接,两个所述基础支腿另一端与底梁上端连接,所述底梁底端第三连接板对称固定设有大轴支架,所述大轴支架内侧设有驱动机构,所述底梁上端设有起吊机构,本发明通过添加增高支腿,从而便于对起重装置起吊点高度进行调节,通过使安装梁一端与第一连接板上不同位置处安装孔进行连接安装,从而实现对支撑跨度的调节,通过副梁和滑车通过卸扣进行连接,使得实现吊钩和吊点的大角度倾斜。


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    Title :

    Gantry lifting device with adjustable span and height in closed plant


    Additional title:

    一种封闭厂房内跨度和高度可调的门式起重装置


    Contributors:
    LIU WEICHENG (author) / SHEN YOUYUE (author)

    Publication date :

    2024-12-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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