| 摘要 |
PURPOSE: To enable easily and surely cleaning of whole inner periphery of a sewer pipe by rotationally moving a suction port of a rotary suction pipe in a spiral shape along the whole inner peripheral surface of the sewer pipe by advancing a car body while rotating the rotary suction pipe by a driving device for rotation. CONSTITUTION: The car body 2 moving in the sewer pipe 1 is provided with running wheels 3, 4 mounted at a lower part in the sewer pipe and a pressing roller 5 being in contact with an upper part in the sewer pipe. The rotary suction pipe 7 is rotated by the driving device for rotation 6 provided at the car body 2, and further, a transverse pipe 8 at the rotary suction pipe 7 is arranged concentrically to the sewer pipe and also is freely rotably supported by a shaft bearing 9 provided at the car body 2. Further, a suction port 10 at a front end of the rotary suction pipe 7 is arranged so as to face to the inner surface of the sewer pipe 1 and a suction pipe 11 for discharging is joined to an rear end part of the rotary suction pipe 7. Consequently, stiching matter and depositions on the whole inner peripheral surface of the sewer pipe are surely sucked and discharged by the suction pipes 7, 11 to be capable of surely cleaning the whole inner peripheral surface of the sewer pipe. |
