PROBLEM TO BE SOLVED: To arrange a guide pipe between a header and a pipe to be inspected as a guiding device of a sensor part even when the header has positional relation of torsion with the pipe to be inspected.;SOLUTION: A pipe thickness measuring apparatus 1 is used for measuring the wall thickness of a pipe 52 to be inspected by a sensor part 2 provided in a cable 30, by inserting the cable 30 from an insertion hole 53 formed in a header 51 into a pipe 52 to be inspected connected to the header 51 via guide pipes 3. The guide pipes 3 each extending along an axis line include: a guide pipe main body part 38 having a first bent part 43 bent in a first direction orthogonal to the axis line and a second bent part 44 provided at a tip side of the first bent part 43 and bent only in a direction orthogonal both to the axis line and to the first direction orthogonal to the axis line; a first operation part 55 bending the first bent part 43 in the first direction; and a second operation part 56 bending the second bent part 44 in the second direction.;COPYRIGHT: (C)2015,JPO&INPIT
展开▼
