| 摘要 |
PROBLEM TO BE SOLVED: To provide a moving device in boiler water tube group capable of arbitrarily moving in a boiler water tube group, to perform the inspection and cleaning of the boiler water tube group without placing a burden on a worker. SOLUTION: This moving device in boiler water tube group 2 comprises a water tube group traveling device 3 moving in the tube axial direction and the vertical direction while retaining itself by pressing a roller to the boiler water tubes, a storage part 18 mounted on the uppermost boiler water tube 31 of the boiler water tube group 1 for storing the water tube group traveling device 3, and a tube row direction-moving device 4 having crawlers 19, 20 for moving the storing part 18 in the direction of the row of tubes. COPYRIGHT: (C)2005,JPO&NCIPI
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