[Problem] To prevent a short life due to wear of a rotary link member in a structure that corrects the posture of a link with respect to a lock during hoisting of a cargo. [Solution] The sling according to the present invention is fixed to a cargo attachment surface and is used during cargo suspension work, and is characterized by being provided with a rotary coupling member that rotates about a direction perpendicular to the cargo attachment surface as an axis, and a lock having a male thread section that engages with a female thread section provided on the cargo attachment surface, the lock having a male thread section that engages with a female thread section provided on the cargo attachment surface. The shaft support is used for axially supporting the rotary connecting component. The rotary connecting component is provided with a main body part, an arched beam part arranged above the main body part, and an opening part formed by arranging the beam part at the upper part of the main body part; at least a portion of at least one of two side surfaces of both end portions in the width direction of the beam portion is formed in a shape in which, when the rotary coupling member is viewed in plan view, at a midpoint of the beam portion in the extension direction of the beam portion, or at a position shifted by a predetermined amount in the extension direction from the midpoint, the width direction of the beam portion is smaller than the width direction of the beam portion, and the width direction of the beam portion is smaller than the width direction of the beam portion. And a shape protruding outward.

    【课题】本发明防止在吊起货物的过程中矫正链节相对于锁紧件的姿势的结构中,因旋转链接部件的磨损而导致的寿命变短;【解决方案】本发明的吊具固定于货物的安装面上,并在货物的悬挂作业时使用,该吊具的特征在于,具备:旋转连结部件,其以货物的安装面的垂直方向为轴进行旋转、以及锁紧件,其具有与设置在货物安装面上的内螺纹部螺合的外螺纹部,并对旋转连结部件进行轴支承;旋转连结部件具有:主体部、设置于主体部上方的呈拱形的梁部、以及通过在主体部的上部设置梁部而形成的开口部;所述梁部的宽度方向上的两端部所具有的两个侧面中的至少任一侧面的至少一部分形成为下述形状:在俯视观察所述旋转连结部件时,在所述梁部的延伸方向上的所述梁部的中点、或从所述中点沿所述延伸方向偏移了规定量的位置处,向外侧突出的形状。


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    Titel :

    Lifting appliance


    Weitere Titelangaben:

    吊具


    Beteiligte:
    SUZUKI RIKA (Autor:in)

    Erscheinungsdatum :

    2023-07-25


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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