Cleaning mechanism special for glass curtain wall cleaning system

The invention relates to a cleaning mechanism special for a glass curtain wall cleaning system, which comprises a trunk shell, the cleaning mechanism comprises a center shaft and a liquid storage tankwhich are fixedly connected to the outer wall of the trunk shell, a shaft arm of the center shaft is sleeved with an arc groove plate, a swing arm is hinged to the end face of the center shaft, the outer arm of the swing arm is sleeved with a sleeve block, a flow guide pipe is fixedly connected to the outer wall of the sleeve block, one end of the flow guide pipe extends into a piston cylinder and is fixedly connected with a piston, an opening communicating with the flow guide pipe is formed in the side face of the piston, a spraying cover fixedly communicates with the other end of the flow guide pipe, a connecting plate is fixedly connected to the outer wall of the spraying cover, and a sweeping disc is hinged to the end of the connecting plate; the trunk shell is provided with a drivingmechanism allowing the swing arms to swing, and the sleeve block drives the sweeping disc to rotate in a reciprocating mode through a transmission mechanism. Through the cooperation of the structures, the effects of spraying of a cleaning agent, swinging of the sweeping disc, rotation of the sweeping disc and stirring of the cleaning agent can be achieved through a single driving part.