| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method for inspecting inside an exhaust gas hood capable of inspecting inside the exhaust gas hood with a large diameter allowing a worker to enter therein without taking a lot of effort and time. <P>SOLUTION: The present invention is capable of inspecting inside an exhaust gas hood 11 by using an inside exhaust gas hood inspection scaffolding 12 which comprises: foldable or retractable horizontal decks 13 to 17 arranged in a plurality of tiers in a direction of an internal diameter of the exhaust gas hood 11; a plurality of guide rollers with two rollers each of the horizontal decks 13 to 17; a pair of guide rails 19A and 19B to guide the horizontal decks 13 to 17 inside the exhaust gas hood 11 through the guide rollers; a pair of rail fixtures 20A and 20B to fix lower edges of the guide rails 19A and 19B on a trestle 21 to inspect the exhaust gas hood 11; and an interval holding tool 22 to keep a distance between the guide rails 19A and 19B constant at an upper edge of the exhaust gas hood 11. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
