| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a cleaning device for easily cleaning a drainage canal.SOLUTION: A cleaning device includes first and second cleaning wires 12 and 22 for cleaning a drain trap, and a water turbine unit 126 and an impeller unit 132 for driving the first and second cleaning wires 12 and 22. The first and second cleaning wires 12 and 22 are attached to the impeller unit 132 so as to move along a surface of the drain trap by being driven by the water turbine unit 126 and the impeller unit 132. Side surfaces of the first and second cleaning wires 12 and 22 are brought into contact with the surface of the drain trap.</p> |
