| 摘要 |
Inspecting a loss in section such as corrosion, rust and abrasion due to physical factor generated in an inside face of a drum securely and rapidly with a simple structure and specifying a generation position thereof. A drum inspecting apparatus for inspecting a loss in section generated in an inside face of a drum 1 from an outer face side, comprising an inspection ultrasonic wave device for inspection by detecting a position having a reduced thickness generated in the inside face of the drum 1 and estimating a range thereof with lateral ultrasonic wave, wherein the inspection ultrasonic wave device has a plurality of ultrasonic probes 2a for generating ultrasonic wave for the inspection of a side plate of the drum 1, attached to a top plate circumferential outer edge portion 11a or a bottom plate circumferential outer edge portion 12a of the drum 1.
|
