The invention discloses an aircraft landing gear two-stage worm and worm gear speed reducer with a manual input function. The aircraft landing gear two-stage worm and worm gear speed reducer comprises an input worm shaft, a second-stage worm shaft, an output worm shaft, a first-stage worm gear, a second-stage worm gear and a speed reducer shell. A transverse shaft seat, a longitudinal shaft seat and a vertical shaft seat are respectively arranged on the speed reducer shell; the input worm shaft is mounted on the transverse shaft seat; the second-stage worm shaft is installed on the vertical shaft seat, and the first-stage worm gear is arranged on the lower portion of the second-stage worm shaft in a sleeved mode through a one-way combination bearing. The output worm shaft is installed on the longitudinal shaft seat, the input worm shaft is provided with first gear teeth and a key groove, and the secondary worm is provided with a shaft head and second gear teeth. The undercarriage can be folded and unfolded more stably through multi-stage transmission, rapid folding and unfolding of the undercarriage in an emergency state are achieved through the one-way combination bearing, and the size and the weight of the speed reducer are reduced through combination of the sliding bearing and the rolling bearing.

    本发明公开了一种带手动输入功能的飞机起落架双级蜗杆蜗轮减速器,包括输入蜗杆轴,二级蜗杆轴,输出蜗杆轴,一级蜗轮,二级蜗轮,以及减速器壳体。所述减速器壳体上分别设置有横向轴座、纵向轴座和竖向轴座;所述输入蜗杆轴安装在所述横向轴座上;所述二级蜗杆轴安装在竖向轴座上,所述一级蜗轮通过单向组合轴承套设在二级蜗杆轴下部;所述输出蜗杆轴安装在所述纵向轴座上,所述输入蜗杆轴上设置有第一轮齿和键槽,所述二级蜗杆上设置有轴头和第二轮齿。通过多级传动,使起落架收放更加平稳,通过单向组合轴承,实现紧急状态下起落架的快速收放,通过滑动轴承和滚动轴承组合使减速器尺寸重量减小。


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    Title :

    Aircraft landing gear two-stage worm and worm gear reducer with manual input function


    Additional title:

    一种带手动输入功能的飞机起落架双级蜗杆蜗轮减速器


    Contributors:
    WU GAOSHENG (author)

    Publication date :

    2023-09-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F16H Getriebe , GEARING / B64C AEROPLANES , Flugzeuge



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