The invention belongs to the technical field of helicopter power system design, and discloses a large-overload shock absorber and a mounting mechanism thereof. The large-overload shock absorber comprise a nut, a force bearing joint, a shock absorber upper positioning piece, a shock absorber outer shell, a shock absorber lower positioning piece, a special bolt, a first disc spring, a second disc spring and a compression spring; the shock absorber lower positioning piece is fixed to a helicopter airframe structure frame, and the lower part of the special bolt penetrates through the shock absorber lower positioning piece; grooves are respectively formed in the corresponding positions of the shock absorber upper positioning piece and the shock absorber lower positioning piece; the compressionspring is arranged below a first boss of the special bolt in a sleeving mode and is positioned through grooves in the shock absorber upper positioning piece and the shock absorber lower positioning piece; and the shock absorber has a good shock absorption effect, can bear large overload, and meets the crash resistance.

    本发明属于直升机动力系统设计技术领域,公开了一种大过载减振器及其安装机构,包括:螺母,承力接头,减振器上定位件,减振器外壳体,减振器下定位件,专用螺栓,第一碟簧,第二碟簧,压缩弹簧;减振器下定位件固定在直升机机体结构框上,且所述专用螺栓的下部穿过所述减振器下定位件;减振器上定位件、减振器下定位件上的对应位置分别设置有凹槽;压缩弹簧套在专用螺栓的第一凸台下方,且通过减振器上定位件、减振器下定位件上的凹槽定位;具备较好的减振效果,又能承受大过载,满足耐坠毁能力的减振器。


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    Titel :

    Large-overload shock absorber and mounting mechanism thereof


    Weitere Titelangaben:

    一种大过载减振器及其安装机构


    Beteiligte:
    DUAN YONGLIANG (Autor:in) / RUAN HONGXIA (Autor:in) / ZHANG YUPEI (Autor:in) / WANG HUI (Autor:in) / WU XINHAO (Autor:in)

    Erscheinungsdatum :

    09.02.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    F16F SPRINGS , Federn / B64C AEROPLANES , Flugzeuge



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