Unmanned aerial vehicle transmission assembly

The utility model provides an unmanned aerial vehicle transmission assembly, and relates to the technical field of unmanned aerial vehicles. An extension assembly is hinged to the corner position of the outer end of the machine body assembly, an extension assembly is slidably installed at the position, close to the machine body assembly, of the extension assembly, an installation base is fixed to the tail end of the extension assembly, a rotor wing is rotationally installed on the installation base, and a transmission assembly is rotationally installed on a clutch assembly at the extension assembly. A transmission assembly and a sliding assembly are installed in the extension assembly, the transmission assembly rotates after making contact with the vehicle body assembly through a clutch assembly, power is transmitted to the sliding assembly, then the power is transmitted to a mounting base through the sliding assembly, operation of rotors on the mounting base is achieved, and the unmanned aerial vehicle can b