Self-cleaning device of curve mirror

The utility model relates to the technical field of curve mirrors, in particular to a curve mirror self-cleaning device which comprises a vertically-arranged mounting rod, a mounting plate fixedly connected to the upper end of the mounting rod, a spherical mirror body fixedly connected to the mounting plate, and two vertically-arranged sliding rails fixedly connected to the mounting plate and located on the two sides of the spherical mirror body. Sliding blocks are embedded in the sliding rails in a sliding mode, and the two sliding blocks are jointly connected with the same cleaning brush used for cleaning the spherical mirror body. A driving assembly for driving the sliding block to move up and down is arranged on the sliding block and comprises a vertically-arranged lifting pipe fixedly connected to the mounting plate, the upper end of the lifting pipe is open, a through hole is formed in the lower surface of the lifting pipe, and a floating ball is arranged in the lifting pipe and connected to the sliding