The invention belongs to the field of aero-engine assembly, and particularly relates to a lifting appliance structure. The lifting appliance structure comprises a lower sleeve tooth, the upper end of the lower sleeve tooth is provided with an external thread section, the lower end of the lower sleeve tooth is provided with a lower boss, the lower boss is provided with a short sleeve tooth, the lower sleeve tooth is nested in a lifted part, and the lower end face of the sleeve tooth of the lifted part is axially positioned through the upper end face of the short sleeve tooth of the lower sleeve tooth; the upper sleeve teeth are arranged on the lower sleeve teeth in a sleeving mode, long sleeve teeth are arranged at the lower ends of the upper sleeve teeth, and the long sleeve teeth are meshed with the sleeve teeth of the hoisted part to achieve circumferential positioning of the hoisted part; the lifting hook comprises an annular connecting part and a U-shaped hook part which are integrally formed, the annular connecting part is arranged on the lower sleeve tooth in a sleeving manner and is matched with the external thread section of the lower sleeve tooth through a compression nut, so that the annular connecting part is limited on the lower sleeve tooth, and the U-shaped hook part is used for lifting. The lifting appliance structure can be used for lifting the sleeve tooth structure.

    本申请属于航空发动机装配领域,特别涉及一种吊具结构。所述吊具结构包括:下套齿,下套齿的上端设置有外螺纹段,下端设置有下凸台,下凸台上设置有短套齿,下套齿嵌套在被吊装件的内部,被吊装件的套齿的下端面通过下套齿的短套齿的上端面轴向定位;上套齿,上套齿套设在下套齿上,上套齿的下端设置有长套齿,通过长套齿与被吊装件的套齿啮合实现被吊装件的周向定位;吊钩,吊钩包括一体成型的环形连接部以及U型挂钩部,环形连接部套设在下套齿上,通过压紧螺母与下套齿的外螺纹段配合安装,从而将环形连接部限位在下套齿上,U型挂钩部用于吊装。本申请的吊具结构,能够用于套齿结构的吊装。


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    Title :

    Lifting appliance structure


    Additional title:

    一种吊具结构


    Contributors:
    LIU JIANXIAN (author) / FENG SHAOBAO (author) / CUI BINBIN (author) / WU HAOZE (author) / ZHANG WEI (author)

    Publication date :

    2024-10-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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