The utility model discloses a kind of high-altitude cleaning devices based on tethered unmanned aerial vehicle, including unmanned aerial vehicle and ground mobile platform;Wherein, water tank, intelligent retractable mechanism and
power module are equipped on the ground mobile platform;Camera and cleaning
assembly are equipped on the unmanned aerial vehicle;Soft
pipe is equipped between the cleaning
assembly and the water tank, one end of the soft
pipe is communicated with the water tank, another end of the soft
pipe is communicated with cleaning
assembly;Power supply line is equipped between the
power module and unmanned aerial vehicle, one end of the power supply line is connected with the
power module, another end of the power supply line is connected with unmanned aerial vehicle;The intelligent retractable mechanism is used to retract and release soft pipe and power supply line.This device cooperates with ground mobile platform and unmanned aerial vehicle, and safety is high, cleaning efficiency is fast, unmanned aerial vehicle does not need to carry water tank and
large capacity battery, greatly reduce load, can realize long-term endurance, and can monitor cleaning degree in real time, cleaning range is wide, and flexibility is strong.