The invention belongs to the field of aircraft undercarriages, and particularly relates to an energy-absorbing anti-crash undercarriage and an aircraft, the energy-absorbing anti-crash undercarriage comprises a skin and a reinforcing structure; the skin comprises a linear section and arc-shaped sections arranged at the two ends of the linear section, and an interlayer cavity is formed in the skin in a hollow mode; a plurality of defects are arranged on the upper wall surface of the interlayer cavity in the arc-shaped section at intervals along the arc direction; the reinforcing structure comprises a foam sandwich and/or a web plate, the upper end face of the foam sandwich and the upper end face of the web plate are each provided with an embedded part embedded with the defect, and the foam sandwich and/or the web plate are/is arranged in an interlayer cavity. And the anti-crash performance is good, and meanwhile other important equipment or structures of the aircraft can be protected.

    本发明属于飞行器起落架领域,具体是涉及到一种吸能抗坠毁起落架及飞行器,其中吸能抗坠毁起落架包括蒙皮和加强结构;所述蒙皮包括直线段和设置在直线段两端的弧形段,且所述蒙皮内部中空设置有夹层空腔;所述弧形段中所述夹层空腔的上壁面沿弧线方向间隔设置有若干个缺陷;所述加强结构包括泡沫夹心和/或腹板,所述泡沫夹心和所述腹板的上端面均设置有与所述缺陷嵌合的嵌合部,所述泡沫夹心和/或腹板设置在所述夹层空腔内,本发明所提供的吸能抗坠毁起落架,结构简单,可以做到重量轻,刚度高,安装简单,并且具有良好的抗坠毁性能,同时可以保护飞行器其他重要设备或结构。


    Access

    Download


    Export, share and cite



    Title :

    Energy-absorbing anti-crash undercarriage and aircraft


    Additional title:

    一种吸能抗坠毁起落架及飞行器


    Contributors:
    PENG BO (author) / ZHANG ZHU (author) / LIANG XIANYA (author) / MA YANG (author) / WANG JIANJUN (author)

    Publication date :

    2024-02-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



    Anti-crash strut type undercarriage buffer

    CHEN XIANG / YANG YUN / FENG SHENGQUAN et al. | European Patent Office | 2023

    Free access

    AIRCRAFT UNDERCARRIAGE

    LUXMOORE BENJAMIN / GRUNDY JACOB / MCDONALD PAUL et al. | European Patent Office | 2024

    Free access

    "Aircraft Undercarriage"

    Scoles, J. J. / Canadian Aeronautics and Space Institute | British Library Conference Proceedings | 1997


    Aircraft undercarriage

    BENJAMIN FAIRFAX LUXMOORE / JACOB JOSEPH GRUNDY / PAUL ROBERT MCDONALD et al. | European Patent Office | 2022

    Free access

    AIRCRAFT UNDERCARRIAGE

    LUXMOORE BENJAMIN FAIRFAX / GRUNDY JACOB JOSEPH / MCDONALD PAUL ROBERT et al. | European Patent Office | 2024

    Free access