Building exterior wall cleaning apparatus

Abstract

A building exterior wall cleaning apparatus includes a housing being provided on a top with a set of external hoisting hangers, at a front side with a spray unit, and at a rear side with at least one gas producer; at least one cleaning unit being rotatably mounted to a front side of the housing next to the spray unit; and a driving unit being mounted in the housing and connected to the at least one cleaning unit. The at least one cleaning unit may be tightly pressed against a building exterior wall by airflow produced by the gas producer and to clean the building exterior wall in one stroke of the cleaning unit, so as to enable safe, efficient, automated and unmanned building exterior wall cleaning operation.

1 . A building exterior wall cleaning apparatus, comprising:
 a housing being provided on a top with a set of external hoisting hangers, at a front side with a spray unit, and at a rear side with at least one gas producer;   at least one cleaning unit being rotatably mounted to the front side of the housing next to the spray unit; and   a driving unit being mounted in the housing and connected to the at least one cleaning unit.   
   
   
       2 . The building exterior wall cleaning apparatus as claimed in  claim 1 , wherein the housing includes a frame; a top panel, two side panels, and a back panel externally mounted to the frame; and two stoppers separately mounted to front edges of the two side panels. 
   
   
       3 . The building exterior wall cleaning apparatus as claimed in  claim 1 , wherein the housing is provided at an upper front side with an assistance unit; and the assistance unit including at least one lamp and an image acquisition lens. 
   
   
       4 . The building exterior wall cleaning apparatus as claimed in  claim 1 , wherein the at least one cleaning unit includes a rotary core rotatably connected to the driving unit, and a bristle portion externally located around the rotary core. 
   
   
       5 . The building exterior wall cleaning apparatus as claimed in  claim 1 , wherein the driving unit includes at least an actuating element, a first transmission element, a rotational shaft connected to the actuating element via the first transmission element, and a second transmission element interconnecting the rotational shaft and the rotary core of the at least one cleaning unit. 
   
   
       6 . The building exterior wall cleaning apparatus as claimed in  claim 1 , wherein the cleaning unit is a roller brush.