The invention discloses a four-rotor aircraft capable of being folded and stretched. The four-rotor aircraft comprises an aircraft body assembly, a fixed aircraft shaft assembly and a movable aircraft shaft assembly. The aircraft body assembly comprises an aircraft main body, a rotary steering engine, a four-axis steering wheel and an inhaul cable, the rotary steering engine is arranged on the aircraft main body, the output end of the rotary steering engine is connected with the four-axis steering wheel, the four-axis steering wheel is connected with the inhaul cable, and the inhaul cable is connected with the movable crankshaft assembly; the two ends of the fixed crankshaft assembly are connected with the aircraft body and the movable crankshaft assembly respectively. The movable crankshaft assembly comprises blades, a motor and a crankshaft assembly, the blades are connected with the motor, one end of the crankshaft assembly is fixedly connected with the motor, and the other end of the crankshaft assembly is sleeved with the fixed crankshaft assembly and connected with the inhaul cable; and under the driving of the rotary steering engine, the four-shaft steering wheel drives the inhaul cable to tension or release the crankshaft assembly, so that the crankshaft assembly shrinks or extends in the fixed crankshaft assembly, and the folding or unfolding of the paddle is realized. The invention has the advantages of compact structure, small installation space, stable transmission, high mechanical strength, high telescopic flexibility and the like.

    本发明公开了一种可折叠伸缩的四旋翼飞行器,包括:机体组件、固定机轴组件和活动机轴组件;机体组件包括飞行器主体、旋转舵机、四轴舵盘和拉索,飞行器主体上设有旋转舵机,旋转舵机的输出端与四轴舵盘连接,四轴舵盘与拉索连接,拉索与活动机轴组件连接;固定机轴组件的两端分别与飞行器主体和活动机轴组件连接;活动机轴组件包括桨叶、电机和机轴组件,桨叶与电机连接,机轴组件一端与电机固接,另一端套设在固定机轴组件内,并与拉索连接;在旋转舵机驱动下,四轴舵盘带动拉索拉紧或释放机轴组件,完成机轴组件在固定机轴组件内收缩或延伸,实现桨叶折叠或展开。本发明具有结构紧凑、安装空间小、传动稳定、机械强度高且伸缩灵活度高等优点。


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    Title :

    Foldable telescopic four-rotor aircraft


    Additional title:

    一种可折叠伸缩的四旋翼飞行器


    Contributors:
    ZHANG DAOXUN (author) / LU HUIMIN (author) / XU MING (author) / ZHONG ZHENGYU (author) / GUO CE (author) / ZHU TENGDA (author) / GUO ZIRUI (author) / ZHOU ZONGTAN (author) / ZHENG ZHIQIANG (author)

    Publication date :

    2022-09-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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