Large-load four-rotor variable-pitch oil-driven unmanned aerial vehicle

The utility model discloses a large-load four-rotor variable-pitch oil-driven unmanned aerial vehicle which comprises a rectangular rack, and a power mechanism is arranged on the rack. Each power mechanism is connected with a coaxial double-wing set, and each coaxial double-wing set comprises a transmission mechanism used for transmitting power, a rotor wing used for providing lift force and a propeller adjusting mechanism used for adjusting the inclination angle of the rotor wing. The controlled ends of the power mechanism and the propeller adjusting mechanism are connected with the unmanned aerial vehicle controller. The unmanned aerial vehicle has the advantages of being long in endurance, high in load capacity and high in reliability and flexibility. 本实用新型公开了一种大载重四旋翼变桨距油动无人机，包括呈矩形的机架，机架上设置动力机构；动力机构均连接有共轴双翼组，共轴双翼组包括用于传输动力的传输机构、用于提供升力的旋翼和用于调节旋翼倾斜角度的调桨机构；动力机构、调桨机构的受控端均连接无人机控制器。本实新型具有航时长、负载能力强、可靠性和灵活性高的优点。