UNDERWATER BOLT INSPECTION TOOL AND UNDERWATER BOLT INSPECTION METHOD

摘要

PROBLEM TO BE SOLVED: To provide an underwater bolt inspection tool which can easily keep the constant distance with an inspection object surface and accurately and efficiently perform non-destructive inspection in a short time.;SOLUTION: An underwater bolt inspection tool includes: a housing having a first opening 14 in which an ultrasonic probe 30 is arranged and a second opening 16 provided in communication with the first opening 14 on a straight line of the first opening 14 and to which the end of a bolt 40 installed underwater is inserted; and a watering region between the ultrasonic probe 30 arranged in the first opening 14 and the bolt 40 inserted into the second opening 16. A ring-shaped member constituted by a non-magnetic member is arranged in the watering region, and the insertion amount of the bolt 40 is adjusted.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2016,JPO&INPIT