Automatic cleaning device for cable conduits

The invention discloses an automatic cleaning device for cable conduits. The automatic cleaning device comprises two fixing blocks; one ends of the fixing blocks are fixedly connected with hooks, andthe side surfaces of the other ends of the fixing blocks are fixedly connected with rotary seats; the interiors of the rotary seats are rotationally connected with fold rods through rotary shafts; oneends of the fold rods are provided with pulleys, and the interiors of the fold rods are provided with slide grooves; slide blocks are slidably connected to the interiors of the slide grooves, and oneends of the slide blocks are fixedly connected with slide rods; and one ends of the slide rods are provided with spring rods. According to the automatic cleaning device for the cable conduits, by arranging the rotary seats, the fold rods and the pulleys, the fold rods are driven to rotate through the rotary seats, accordingly, the slide blocks in the slide grooves drive the slide rods to compressthe spring rods, the pulley