The variable pitch propeller comprises a propeller hub and a propeller blade assembly, the propeller blade assembly comprises a propeller blade support, a mounting hole for mounting the propeller blade support is formed in the propeller hub, a limiting protruding part extending in the radial direction is fixedly arranged in the circumferential direction of the propeller blade support, and a limiting table is fixedly arranged at the end, facing the interior of the propeller hub, of the mounting hole; a first integral type thrust bearing matched with the propeller hub in a rotating mode is arranged on one side of the limiting protruding part, and a second integral type thrust bearing matched with the propeller hub in a rotating mode is arranged on the other side of the limiting protruding part. According to the scheme, the problem that the service life of a variable pitch motor of variable pitch propellers produced in batches in the prior art is seriously shorter than the designed service life is solved.

    本发明涉及变距螺旋桨,包括桨毂和桨叶总成,所述桨叶总成包括桨叶支座,所述桨毂上设置有用于安装桨叶支座的安装孔,所述桨叶支座的周向固设有沿径向延伸的限位凸起部,所述安装孔朝向桨毂内部的一端固设有限位台,所述限位凸起部的一侧设置有与桨毂转动配合的第一整体式止推轴承,所述限位凸起部的另一侧设置有与桨毂转动配合的第二整体式止推轴承。本方案解决了现有技术中批量化生产的变距螺旋桨容易发生变距电机的使用寿命严重低于设计使用寿命的问题。


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    Title :

    Variable pitch propeller


    Additional title:

    一种变距螺旋桨


    Contributors:
    ZHOU DAN (author) / LIU GANG (author) / XU ZHIQI (author) / ZHANG WEN (author) / LI ZHENGBING (author)

    Publication date :

    2024-02-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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