The invention discloses a box type structure for a crane, the box type structure comprises an upper cover plate, a left web plate, a lower bottom plate and a right web plate which are sequentially welded end to end, the upper cover plate, the lower bottom plate, the left web plate and the right web plate are respectively formed by rolling, and the cross section area of at least one of the upper cover plate, the lower bottom plate, the left web plate and the right web plate changes along the length direction. The shape and the thickness of the adopted variable-thickness steel plate can be designed according to the stress condition of a product, and the purposes of saving materials and reducing the self weight of the structure are achieved.

    本发明公开了一种用于起重机的箱型结构,所述箱型结构包括依次首尾焊接的上盖板、左腹板、下底板和右腹板,上盖板、下底板、左腹板和右腹板分别轧制而成,上盖板、下底板、左腹板和右腹板中至少一个的横截面面积沿长度方向变化。采用的变厚度钢板可根据产品的受力状况来设计钢板形状及厚度尺寸,实现节省材料、减轻结构自重的目的。


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    Title :

    Box type structure for crane, supporting leg applying box type structure and crane applying supporting leg


    Additional title:

    一种用于起重机的箱型结构、应用其的支腿及应用支腿的起重机


    Contributors:
    CUI SHUWEN (author)

    Publication date :

    2023-08-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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