The invention provides a helicopter blade embedded type radial motion shimmy damper. The helicopter blade embedded type radial motion shimmy damper comprises an upper shell, a lower shell and a sliding bearing for connecting the bottom of the upper shell and the top part of the lower shell, wherein a viscous-elastic damper and a counter weight are sequentially arranged inside the upper shell from top to bottom, and an adjusting screw, a line spring and a disc spring assembly are arranged inside the lower shell. According to the helicopter blade embedded type radial motion shimmy damper, the non-linear spring assembly formed by the disc spring and the line spring is integrated; when a helicopter rotor works, the non-linear spring assembly is compressed into a quai-zero-stiffness interval due to the action of centrifugal force, the static stiffness of the non-linear spring assembly is high and the dynamic stiffness of the non-linear spring assembly is low, and the spring-mass block vibration absorption system formed by the spring assembly and the counter weight can provide damping for shimmy motion in a wide frequency range.


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    Titel :

    Helicopter blade embedded type radial motion shimmy damper


    Beteiligte:
    YANG WEIDONG (Autor:in) / LI RUIRUI (Autor:in) / YU ZHIHAO (Autor:in) / YANG DALIN (Autor:in)

    Erscheinungsdatum :

    2015-06-03


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B64C AEROPLANES , Flugzeuge / F16F SPRINGS , Federn



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