The invention relates to an undercarriage shimmy damping device containing a nonlinear energy trap, which is characterized in that the left side and the right side of the joint of an undercarriage upper torque arm and an undercarriage lower torque arm are respectively provided with an undercarriage shimmy damping device, and each undercarriage shimmy damping device comprises an outer pipe, a sealing cap, a mass block, a piston rod, a piston, a spring and an inner pipe, the inner pipe and the mass block are arranged in the outer pipe, the inner pipe is arranged in the outer pipe, the left end of the inner pipe is connected with the left end of the outer pipe in a sealed mode, the left end of the spring is fixed to the left end of the outer pipe, and the piston is arranged in the inner pipe. Compared with a traditional undercarriage, the damping coefficient of the shimmy damper can be greatly reduced, the flexibility of turning of an aircraft on the ground is improved, the friction type shimmy damper is adopted by a light aircraft, the safety coefficient of the undercarriage can be improved, and the damping coefficient of the shimmy damper is the same. The undercarriage shimmy amplitude can be rapidly attenuated by installing the undercarriage shimmy attenuation device.

    本发明涉及一种含非线性能量阱的起落架摆振衰减装置,在起落架上扭力臂和起落架下扭力臂连接处左右两边各安装一个起落架摆振衰减装置,起落架摆振衰减装置包括外管、密封帽、质量块、活塞杆、活塞、弹簧、内管,所述内管和质量块设置在外管内,所述内管设置在外管内,所述内管的左端与外管的左端密封连接,弹簧的左端固定在外管的左端,所述活塞设置于内管内。本发明相比于传统的起落架,能够大幅度降低减摆器阻尼系数大小、提高了飞机在地面转弯的灵活性、轻型飞机采用摩擦式减摆器,能够提高起落架的安全系数、在相同的减摆器阻尼系数,安装起落架摆振衰减装置起落架摆振振幅能够快速衰减。


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    Titel :

    Undercarriage shimmy damping device with nonlinear energy trap


    Weitere Titelangaben:

    一种含非线性能量阱的起落架摆振衰减装置


    Beteiligte:
    ZHAO YANYING (Autor:in) / ZHOU JIACAI (Autor:in)

    Erscheinungsdatum :

    31.03.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B64C AEROPLANES , Flugzeuge



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