Driving device for swashplate for rotor wing control of civil unmanned helicopter

The utility model discloses a driving device for a swashplate for a rotor wing control of a civil unmanned helicopter. The device comprises a transmission box, wherein a central shaft is installed on a central shaft seat on the transmission box, the lower end of the central shaft is inserted into the transmission box, the swashplate is installed on the central shaft by virtue of a universal bearing, and a motor permanent seat is fixedly arranged on the transmission box; three servo motors are arranged and fixed on the motor permanent seat in a triangular shape; three driving arms area respectively hinged to the motor permanent seat and are arranged on the sides of the servo motors, and one end of each driving arm is in transmission connection with an output shaft of the corresponding servo motor by virtue of a crankshaft connecting rod mechanism; the lower ends of three universal connecting rods are respectively hinged with the other ends of the driving arms while the upper ends are uniformly distributed and hinged to the outer edge of the swashplate. The driving device disclosed by the utility model has the beneficial effects that the driving device is simple and compact in structure and flexible in drive control, and various angular transformation control of the rotor wing can be achieved, so that the driving device is convenient to adjust and install; the driving device is few in parts, high in degree of integration and low in cost and is particularly suitable for being installed and used on the civil unmanned helicopter.