APPARATUS FOR CLEANING SURFACE OF BUILDING

摘要

PURPOSE: A building wall cleaning apparatus using a relative moving structure for coping with a raised portion on the outer wall surface of a building is provided to prevent unwanted stop of work by continuously descending along the outer wall of a building even when meeting a raised portion. CONSTITUTION: A building wall cleaning apparatus comprises a body(20) which vertically descends, facing the outer wall of a building, a wiper member(10) which is provided on the front side of the body, facing the outer wall of the building, and contacts the wall surface according to the movement of the body to rake up materials attached to the water surface, and relative movement assemblies(30) which are provided to face each other from both sides of the body and allow relative movement between the wiper member and the body.