| 摘要 |
PROBLEM TO BE SOLVED: To provide a cleaning device capable of reliably scraping off deposit adhering to a placing joint surface of a preceding element.SOLUTION: A horizontal multi-axial rotation excavator 10 comprises a cutter drum 11 capable of cutting a placing joint surface 81 of a preceding element 8, and a body frame 12 that has the cutter drum 11 installed at a lower end. A cleaning tool 2 is installed in the body frame 12 via an expansion device 3 for correcting attitudes of a sludge pumping pipe, a sludge lifting pump and the body frame 12. The cleaning tool 2 can freely protrude/recede toward the preceding element from a side end surface of the body frame 12.SELECTED DRAWING: Figure 1 |
