| 摘要 |
PURPOSE: An automatic cleaning device for the outer wall of a building or a glass wall surface is provided to brush foreign materials on the walls or glass surfaces of a building using multiple brushes. CONSTITUTION: An automatic cleaning device for the outer wall of a building or a glass wall surface comprises a drive unit(102), an auxiliary drive unit(106), multiple suction units(111), and a rotary pipe(131). The suction units are rotated when the drive unit and the auxiliary drive unit are rotated and are moved on a wall or glass surface along ropes(103). Multiple brushes(133) are formed in the rotary pipe and brush foreign materials on the wall or glass surface.
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