The invention provides an unmanned aerial vehicle coaxial aircraft which comprises a power source, an output shaft of the power source is sequentially connected with a first rotor wing support, a transmission device and a second rotor wing support; a first pair of rotor wings are arranged on the first rotor wing support; and a second pair of rotor wings are arranged on the second rotor wing support; the first pair of fixed shafts are symmetrically arranged on the second rotor wing support, first transmission gears are arranged at the ends of the first pair of fixed shafts, and the second pairof rotor wings are connected with the second rotor wing support through the first transmission gears; a supporting shaft is arranged on the supporting frame, coincides with the axis of the output shaft and is provided with a connecting bearing; the second pair of fixed shafts are symmetrically arranged at two ends of the connecting bearing, and second transmission gears are arranged at the end parts of the second pair of fixed shafts and meshed with the first transmission gears; and the fixed end of a pull rod is fixedly connected with the supporting frame, and the telescopic end of the pull rod is hinged to the end face of the second transmission gear. The flying direction of the unmanned aerial vehicle is adjusted by adjusting the angles of the rotors, the structure is simple, and the rotors are prevented from colliding.
本发明提供了一种无人机共轴飞行器,包括动力源的输出轴依次连接第一旋翼支架、传动装置和第二旋翼支架,第一旋翼支架上设有第一对旋翼,第二旋翼支架上设有第二对旋翼;第一对固定轴对称设置于第二旋翼支架上,其端部设有第一传动齿轮,第二对旋翼通过第一传动齿轮与第二旋翼支架连接;支撑架上设有支撑轴,支撑轴与输出轴的轴心重合,支撑轴上设有连接轴承;第二对固定轴对称设置于连接轴承两端,其端部设有第二传动齿轮,第二传动齿轮与第一传动齿轮啮合;拉杆的固定端与支撑架固定连接,拉杆的伸缩端与第二传动齿轮的端面铰接。通过调整旋翼的角度调整无人机飞行的方向,结构简单,避免旋翼发生碰撞。
Unmanned aerial vehicle coaxial aircraft
无人机共轴飞行器
2021-01-22
Patent
Electronic Resource
Chinese