Unilateral support hard tooth surface speed reducer

The utility model discloses a single-side supporting hard tooth surface speed reducer. The speed reducer comprises a speed reducer body, a supporting plate is fixedly mounted on the outer surface of the speed reducer body; the outer side of the metal plate is connected with a rubber pad; a transparent barrel is mounted on the right side of the rubber pad; a fluorescent strip is mounted in the transparent barrel; a supporting block is mounted below the fixed block; the right end of the housing is connected with a connecting ring; the left end of the speed reducer body is connected with a connecting shaft; a clamping plate is installed on the outer surface of the connecting shaft, a brush is installed on the inner surface of the clamping plate, a limiting block is fixedly installed at the top of the clamping plate, a second screw rod is installed in the limiting block in a penetrating mode, limiting grooves are formed in the upper end and the lower end of the housing, and handles are installed on the outer side