Industrial brush

The utility model discloses an industrial brush which comprises a rotating shaft, an outer pipe is fixedly connected to the outer side of the rotating shaft in a clamped mode, sliding grooves are formed in the outer side of the outer pipe at equal angles, a clamping groove is formed in the right side of the outer pipe, sliding blocks are arranged in the sliding grooves in a sliding mode, and the other ends of the sliding blocks are fixedly connected with connecting blocks. A brush body is fixedly arranged on the surface of the other end of the connecting block; the left side of the outer pipe is in contact connection with a limiting turntable, limiting baffles are fixedly arranged on the outer side of the limiting turntable at equal angles, and meanwhile the right side of the limiting turntable is fixedly connected with a fixing frame. A pull rod is slidably arranged in the fixing frame, the left end of the pull rod penetrates through the limiting rotary disc to be fixedly connected with a pull ring, the righ