Large tower outer surface cleaning device, control system and cleaning process

The invention relates to the technical field of cleaning equipment, in particular to a large tower outer surface cleaning device, a control system and a cleaning technology.The large tower outer surface cleaning device comprises a first driving motor, a screw, a first annular mounting frame and a plurality of cleaning assemblies, the screw is fixedly connected with the output end of the first driving motor, and the screw is in transmission connection with the first annular mounting frame; a plurality of mounting cavities are formed in the inner side of the first annular mounting frame at intervals, and a cleaning assembly is arranged in any mounting cavity; the cleaning assembly comprises a second driving motor, a connecting column, an elastic telescopic rod and a brush, the second driving motor is fixedly mounted in the mounting cavity, the connecting column is fixedly connected with the output end of the second driving motor, one end of the elastic telescopic rod is fixedly connected with the connecting col