| 摘要 |
PROBLEM TO BE SOLVED: To provide a pipe inside cleaner capable of easily and effectively cleaning an inner wall surface of an existing pipe.SOLUTION: A pipe inside cleaner 1 cleans the inner wall surface of the existing pipe, and comprises a support stand 2 having travel means 7, an arm 3 rotatably supported by the support stand 2, a brush 4 rotatably supported on the tip of the arm 3, an arm motor 5 for imparting torque to the arm 3 and a brush motor 6 for imparting torque to the brush 4. The arm 3 rotates around its base end part, and the brush 4 moves along the inner wall surface of the existing pipe by revolving around the rotational center of the arm 3 in response to the rotation of the arm 3, and autorotates by power of the brush motor 6. |
