The invention provides a seaplane fuselage side airstair hanging point structure, and belongs to the technical field of aircraft fuselage design, the structure comprises two units, a hanging frame box of each unit is in fit connection with the inner surface of a skin, a square hole is formed in the aircraft skin close to the upper side of a rectangular inner cavity in the middle of the hanging frame box, and a through hole is formed in the upper side of the rectangular inner cavity in the middle of the hanging frame box; a semi-closed inner cavity formed by the hanging frame box and the aircraft skin is used as a space of the hanging point of the airstairs; the mounting plate is positioned on the periphery of the hanger box and is fixedly connected with the aircraft skin; the inner reinforcing plate is located between the hanging frame box and the aircraft skin, and the upper end of the inner reinforcing plate is flush with the lower side of a square hole of the aircraft skin and serves as a supporting structure of a boarding ladder hanging point. The structure is simple, watertight and wear-resistant, the hanging and supporting function is achieved through the simple box-shaped structure and the flat plate piece, the sealing performance of the fuselage is guaranteed, and the continuity of the longitudinal load ship bottom of the wall plate is also guaranteed.

    本申请提供一种水上飞机机身侧部登机梯挂点结构,属于飞机机身设计技术领域,该结构包括两个单元,每个单元的挂架盒与蒙皮内表面贴合连接,靠近挂架盒中间的长方形内腔的上侧的飞机蒙皮上开有一个方孔,作为登机梯挂点的伸入通路,挂架盒与飞机蒙皮形成的半封闭内腔,作为登机梯挂点的空间;安装板位于挂架盒的四周,且与飞机蒙皮固连;内加强板位于挂架盒与飞机蒙皮之间,内加强板的上端与飞机蒙皮方孔的下侧平齐,作为登机梯挂点的支撑结构。本申请结构简单、水密、耐磨,通过简单的盒形结构及平板件,实现挂靠支撑功能,既保证了机身密封性能,又保证了壁板的纵向载荷船底的连续。


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    Title :

    Hanging point structure of airstairs on side of seaplane body


    Additional title:

    一种水上飞机机身侧部登机梯挂点结构


    Contributors:

    Publication date :

    2022-11-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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