Unmanned aerial vehicle for high-rise building cleaning

The invention relates to an unmanned aerial vehicle for high-rise building cleaning. The unmanned aerial vehicle comprises rotor wings, rotor wing control motors, rotor wing connecting frames, a master control bracket, a signal emitter, a connecting frame, a box body, a main rotary motor, a main body bracket, spray nozzles, lateral rotary motors, felt telescopic cylinders, felt rotary motors, felts and a support, wherein the rotor wings are arranged on the rotor wing control motors; the rotor wing control motors are connected with the main control bracket; the top end of the main control bracket is provided with the signal emitter; the connecting frame is arranged below the rotor wing connecting frames; the box body is arranged below the master control bracket; the main rotary motor is arranged at the bottom of the box body; the main body bracket is arranged on a rotating shaft of the main rotary motor; a pair of support plates are arranged at the bottom of the main body bracket; the spray nozzles are arranged at one side of the support; the lateral rotary motor is arranged on one side of each support plate; the felt telescopic cylinder is arranged at the end part of a rotating shaft of each lateral rotary motor; the bottom of each felt rotary motor is fixed at the end part of a telescopic rod of each felt telescopic cylinder; the felt is fixed on a rotating shaft of each felt rotary motor. According to the unmanned aerial vehicle, manual cleaning is not required, and thus the cleaning safety is greatly improved.