The invention relates to the technical field of aircrafts, and provides a coaxial dual-rotor unmanned aerial vehicle which comprises a shell and a main shaft mounted in the shell, a lower brushless motor is mounted at the upper end of the main shaft, an upper brushless motor is arranged above the lower brushless motor and used for driving an upper rotor, and a lower rotor is arranged below the lower brushless motor. The lower rotor wing is composed of a lower blade, a lower paddle clamp, a lower paddle clamp rocker arm and a lower paddle hub, the lower paddle hub is connected with the output end of the lower brushless motor, one end of the lower paddle clamp rocker arm is rotationally connected with the lower paddle hub, the other end of the lower paddle clamp rocker arm is hinged to the lower paddle clamp, the lower blade is installed on the lower paddle clamp, and the lower brushless motor is installed on the lower paddle clamp. And a lower rotor wing variable-pitch mechanism is arranged below the lower rotor wing and comprises a swash plate and a steering engine. The structure that the pitch of the upper rotor is fixed and the pitch of the lower rotor is adjustable is adopted, the complex structure of an existing full-variable-pitch coaxial unmanned aerial vehicle is simplified, the structure is more compact, and flight operation is more convenient.

    本发明涉及飞行器技术领域,提供了一种共轴双旋翼无人机,包括机壳和安装在机壳内的主轴,主轴的上端安装有下无刷电机,下无刷电机的上方设置有上无刷电机,上无刷电机用于对上旋翼进行驱动,所述下无刷电机的下方设置有下旋翼,所述下旋翼由下桨叶、下桨夹、下桨夹摇臂以及下桨毂组成,下桨毂与下无刷电机的输出端相连接,下桨夹摇臂的一端与下桨毂转动连接,下桨夹摇臂的另一端铰接有下桨夹,所述下桨叶安装在下桨夹上,所述下旋翼的下方设置有下旋翼变距机构,下旋翼变距机构包括倾斜盘和舵机。本发明采用上旋翼固定螺距、下旋翼可调节螺距的结构,简化现有的全变距共轴无人机的复杂结构,使得结构更紧凑,飞行操作更加方便。


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Coaxial dual-rotor unmanned aerial vehicle


    Weitere Titelangaben:

    一种共轴双旋翼无人机


    Beteiligte:
    YANG PENG (Autor:in) / MA BIN (Autor:in)

    Erscheinungsdatum :

    2021-09-24


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B64C AEROPLANES , Flugzeuge / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



    Coaxial dual-rotor unmanned aerial vehicle

    WANG YULIN / DONG BIN / LI DONGDA | Europäisches Patentamt | 2022

    Freier Zugriff

    Coaxial dual-rotor unmanned aerial vehicle

    LIU BIAO / WANG ZHIGANG / LI YIBO et al. | Europäisches Patentamt | 2022

    Freier Zugriff

    COAXIAL DUAL-ROTOR UNMANNED AERIAL VEHICLE

    WANG YULIN / DONG BIN / LI DONGDA | Europäisches Patentamt | 2024

    Freier Zugriff

    Coaxial dual-rotor unmanned aerial vehicle

    LING XIMING | Europäisches Patentamt | 2022

    Freier Zugriff

    Small coaxial double-rotor unmanned aerial vehicle

    ZHANG JIAN / KONG MENGXIN / ZHANG WEI et al. | Europäisches Patentamt | 2020

    Freier Zugriff