BLADE INSPECTION APPARATUS AND BLADE INSPECTION METHOD

摘要

A blade inspection apparatus has a borescope and a PC. The borescope has a distance sensor for detecting an insertion length when an insertion section of the borescope is inserted through a hole provided in a casing in which a rotor of an engine is housed, an acceleration sensor for detecting an attitude of the insertion section, and distance sensors for detecting two distances from the insertion section to two stator vanes on a stator. The PC compares the insertion length, attitude and two distances detected in the borescope with the insertion length, attitude and two distances relating to an inspection image stored in a HDD. When a match occurs therebetween, the PC outputs match information.

主权项

1. A blade inspection apparatus for inspecting a plurality of blades periodically disposed on a periphery of a rotating shaft of a rotor of an engine and rotated on the rotating shaft, the apparatus comprising:
a first attitude detection section provided in a first endoscope having a first insertion section, the first attitude detection section detecting a first attitude of the first insertion section; and a first distance detection section provided in the first endoscope, the first distance detection section detecting two first distances from the first insertion section to two objects along two directions perpendicular to an axis of the first insertion section and opposite to each other.