The invention provides an automatic retracting and releasing unmanned aerial vehicle arm assembly and an unmanned aerial vehicle applying the same, relates to the technical field of unmanned aerial vehicle design, and aims to realize retracting and releasing of an arm propeller and improve the traffic capacity of a four-rotor unmanned aerial vehicle in a narrow space. The vehicle arm assembly comprises a multi-stage transmission system and a plurality of vehicle arm retracting and releasing mechanisms, wherein the multi-stage transmission system provides power for the vehicle arm retracting and releasing mechanisms; the plurality of arm retracting and releasing mechanisms transmit power to the propeller and control the propeller to realize retracting and releasing actions; the multi-stagetransmission system comprises a driving motor, a bevel gear, a worm and gear and a plurality of gears; the driving motor is connected with the worm and gear through the bevel gear, and one side or twosides of the worm and gear are meshed with the gears; the vehicle arm retracting and releasing mechanism comprises a tooth-shaped belt, a vehicle arm, a propeller driving motor and the propeller; thetooth-shaped belt is connected with one end of the vehicle arm and the gears respectively; and the other ends of the vehicle arm is connected with propeller driving motor, and the propeller driving motor is connected with the propeller. The technical scheme provided by the invention is suitable for the flight process of the unmanned aerial vehicle.

    本发明提供了一种自动收放式无人机机臂组件及其无人机,涉及无人机设计技术领域,能够实现机臂螺旋桨的收放,提高四旋翼无人机在狭小空间的通行能力;该机臂组件包括:一个多级传动系统,为机臂收放机构提供动力;若干机臂收放机构,将动力传递给螺旋桨并控制其实现收放动作;多级传动系统包括驱动电机、锥齿轮、蜗轮蜗杆和若干齿轮;驱动电机通过锥齿轮与蜗轮蜗杆连接,蜗轮蜗杆的一侧或两侧与齿轮啮合;机臂收放机构包括齿型皮带、机臂、螺旋桨驱动电机和所述螺旋桨;齿型皮带分别与机臂的一端以及齿轮连接;机臂的另一端与螺旋桨驱动电机连接,螺旋桨驱动电机与螺旋桨连接。本发明提供的技术方案适用于无人机飞行过程中。


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    Title :

    Automatic retracting and releasing unmanned aerial vehicle arm assembly and unmanned aerial vehicle applying same


    Additional title:

    一种自动收放式无人机机臂组件及其无人机


    Contributors:
    LI XIN (author) / WANG DI (author) / HU QI (author) / TAO YANJIN (author) / LIU YAJIAO (author)

    Publication date :

    2021-03-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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