Insulator string cleaning device

The invention relates to an insulator string cleaning device, in particular to an insulator string cleaning device which is characterized in that two ends of a semicircular T-shaped plate (7) are respectively hinged with arc T-shaped plates, and inner bulges (15) with bristles (13) are respectively arranged in the middle of the inner surfaces of the semicircular T-shaped plate and the two arc T-shaped plates (14); the lower portions of two sliding rods (18) arranged on the upper portion face of a handle (5) on the upper portion face of the semicircular T-shaped plate at intervals are sleeved with springs (2) respectively, the two sliding rods are sleeved with two sliding rod holes A (33) in the middle of a control plate (3), and the lower ends of vertical plates (38) on the lower portions of the two ends of the control plate are hinged to two arc T-shaped plates (14) respectively. The semicircular T-shaped plate and the two arc T-shaped plates are respectively connected with an external water source or air so