The invention provides a coaxial double-rotor mechanism and a large coaxial multi-rotor ducted aircraft. The coaxial double-rotor mechanism comprises a ducted shell and a rotor assembly arranged in the ducted shell; wherein the rotor wing assembly comprises a machine arm, an upper rotor wing and a lower rotor wing, and the upper rotor wing and the lower rotor wing are located at the two ends of the machine arm and can rotate in the opposite directions; the ducted shell comprises a machine arm sleeve arranged on the outer side of the machine arm in a sleeving mode, an outer shell body and a plurality of flow guide plates. One end of the flow guide plate is connected with the outer shell, the other end of the flow guide plate is connected with the arm sleeve, and the included angle between the flow guide plate and the vertical line of the rotating surface is half of the inclination angle of the section of the upper rotor wing. The device is simple in structure, the horizontal component of downwash flow of the upper rotor part is converted into vertical counter-acting force by the flow guide plate through the design of the included angle between the flow guide plate and the vertical line of the rotating surface, so that dislocation cannot be caused when the horizontal corresponding speed generated by wake flow of the upper rotor reaches the lower rotor, and the amplitude is greatly reduced.

    本发明提供一种共轴双旋翼机构及大型共轴多旋翼涵道机,该共轴双旋翼机构包括涵道壳以及设置在所述涵道壳内的旋翼组件;其中:所述旋翼组件包括机臂以及位于所述机臂两端的上旋翼和下旋翼,所述上旋翼和下旋翼能沿相反的方向旋转;所述涵道壳包括套设在所述机臂的外侧的机臂套、外壳体以及多个导流板;所述导流板的一端与所述外壳体相连,另一端与所述机臂套相连,且所述导流板与旋转面垂线的夹角为所述上旋翼截面倾角的一半。本发明结构简单,利用导流板与旋转面垂线的夹角的设计使导流板将上旋翼部分下洗气流的水平分量转化为垂直反作用力,从而使上旋翼尾流产生的水平相应速度抵达下旋翼时不会引起错位,大大降低振幅。


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    Titel :

    Coaxial double-rotor mechanism and large coaxial multi-rotor ducted aircraft


    Weitere Titelangaben:

    一种共轴双旋翼机构及大型共轴多旋翼涵道机


    Beteiligte:
    HU HUAZHI (Autor:in) / DING KAI (Autor:in) / LIU QINGREN (Autor:in) / HE ZHIJIAN (Autor:in) / YANG LI (Autor:in)

    Erscheinungsdatum :

    2024-02-09


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B64U



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