The invention relates to propellers, in particular to a propeller with a variable-pitch mechanism, which comprises a blade assembly and the variable-pitch mechanism, the variable-pitch mechanism comprises a variable-pitch motor, a lead screw and a sliding block, the sliding block is in threaded connection with the lead screw, a first supporting table and a second supporting table are arranged on the sliding block, and a variable-pitch block is slidably arranged between the first supporting table and the second supporting table. An eccentric pin connected with the variable pitch block is fixedly arranged at the end of the paddle assembly, the first supporting table and the second supporting table are both integrally formed with the sliding block, a limiting block is connected to the sliding block, and the end of the limiting block protrudes out of the edge of the sliding block in the direction parallel to the center line of a pin hole. The end face of the end, facing the sliding block, of the paddle assembly is in sliding fit with the limiting block. According to the scheme, the problem that in the prior art, a fixed-wing unmanned aerial vehicle is prone to variable pitch failure or the flight height upper limit of the unmanned aerial vehicle is seriously deviated is solved.

    本发明涉及螺旋桨,具体为一种具有变距机构的螺旋桨,包括桨叶总成和变距机构,变距机构包括变距电机、丝杠和滑块,滑块与丝杠螺纹连接,滑块上设置有第一支撑台和第二支撑台,第一支撑台与第二支撑台之间滑动设置有变距块,桨叶总成的端部固设有与变距块连接的偏心销,第一支撑台和第二支撑台均与滑块一体成型设置,滑块上连接有限位块,所述限位块的端部沿平行于销孔的中心线方向凸出于滑块的边缘设置,所述桨叶总成朝向滑块的一端的端面与限位块滑动配合。本方案解决了现有技术中固定翼无人机容易出现变距失效或者无人机的飞行高度上限出现严重偏差的问题。


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    Title :

    Propeller with variable pitch mechanism


    Additional title:

    一种具有变距机构的螺旋桨


    Contributors:
    LUO GANG (author) / DENG JIANG (author) / XU ZHIQI (author) / ZHANG WEN (author) / LI ZHENGBING (author)

    Publication date :

    2023-07-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge




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