Automatic cleaning device for solar panel

The utility model belongs to the technical field of solar power generation, and particularly relates to an automatic cleaning device for a solar panel. The motor transmission device and the battery pack are arranged in an inner cavity of the main body profile, the two brushes and the two rainwater wiping strips are arranged at the bottom of the main body profile, the limiting transmission devices are arranged at the two ends of the main body profile, and the photovoltaic panel is arranged outside the main body profile. Gear clearance openings are formed in openings in the two ends of the main body profile respectively, a motor maintenance window is arranged in the middle of the bottom of the main body profile, a first mounting groove and a second mounting groove are formed in the left edge and the right edge of the bottom of the main body profile respectively, opening grooves are formed in the four corners of the main body profile respectively, and two fixing cap platforms are arranged at the top of the main