Accumulated dust cleaning device applied to solar panel

The utility model discloses an accumulated dust cleaning device applied to a solar panel, comprising a photovoltaic panel, two sides of the photovoltaic panel are provided with mounting racks, the mounting racks are provided with movable racks, the mounting racks are internally provided with two groups of annular belts, the two groups of annular belts are symmetrically distributed, and the movable racks are provided with movable racks. The two ends of the mounting frame are fixedly connected with the two sets of annular belts correspondingly, a driving wheel and a driven wheel are arranged in the mounting frame, after the photovoltaic panel is used for a period of time, a spray head is connected with a water pump and a water tank through a connecting pipe, a first motor is started to drive a rotating rod to rotate, and the annular belts are driven under the action of the driving wheel and the driven wheel; and meanwhile, a second motor in the moving frame is started, five sets of mounting columns drive a clea