Automatic cleaning device for observation window of dust remover

The utility model discloses an automatic cleaning device for an observation window of a dust remover. The automatic cleaning device comprises a mounting box and a driving unit, a cover plate is mounted on the front surface of the mounting box through bolts, screw rods are rotationally connected into open holes transversely and symmetrically formed in the lower surface of the mounting box through bearings, the lower ends of the screw rods are rotationally connected with the upper surface of the mounting plate through rotating shafts, connecting blocks are in threaded connection with the exteriors of the screw rods, and a connecting rod is rotationally connected between the two connecting blocks through bearings; brushes are uniformly distributed on the outer arc surface of the connecting rod; the driving unit is arranged on the left side of the upper surface of the mounting box and fixedly connected with the upper ends of the lead screws; wherein a PLC is arranged on the left side of the upper surface of the m