Inspection device
AssigneeMitsubishi Heavy Industries, Ltd.
InventorsKazushige Namba, Tomonori Shichida, Naoto Kawase
Life of this patent
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Abstract
There is provided an inspection device for inspecting an inner surface of a nozzle provided in a reactor vessel. The inspection device includes: a device frame, an inspection unit provided on the device frame, an inspection unit push-out moving mechanism for pushing out and moving the inspection unit to the inner surface of the nozzle, a rotation moving mechanism for rotating and moving the inspection unit, a calibration test unit arranged on the device frame for calibrating the inspection unit; and a calibration test unit forward/backward moving mechanism for moving the calibration test unit forward or backward in the direction along the central axis with regard to a track where the inspection unit makes push-out movement.
Claims8
An inspection device for inspecting a body which is to be inspected, the body being provided in a nuclear power plant,
- the inspection device comprising:
- a device frame installed at the reference position for inspecting the body;
- an inspection unit provided on the device frame, for inspecting the inspection target portion of the body;
- an inspection unit push-out moving mechanism for pushing out and moving the inspection unit to the inspection target portion while the device frame is installed at the reference position;
- a calibration test unit provided on the device frame, for calibrating the inspection unit;
- and
- a calibration test unit forward/backward moving mechanism for moving the calibration test unit forward or backward with regard to a track where the inspection unit makes push-out movement in such a state that the inspection unit is installed at the reference position.
An inspection device for inspecting an inner surface of a nozzle provided in a reactor vessel,
- the inspection device comprising:
- a device frame inserted into inside of the nozzle;
- an inspection unit provided on the device frame, for inspecting the inner surface of the nozzle;
- an inspection unit push-out moving mechanism for pushing out and moving the inspection unit to the inner surface of the nozzle while the device frame is installed in the inside of the nozzle;
- a rotation moving mechanism for rotating and moving the inspection unit about a predetermined central axis along a peripheral direction of the nozzle while the device frame is installed in the inside of the nozzle;
- a calibration test unit arranged on the device frame for calibrating the inspection unit;
- and
- a calibration test unit forward/backward moving mechanism for moving the calibration test unit forward or backward in the direction along the central axis with regard to a track where the inspection unit makes push-out movement.
Dependencies are inferred from the claim text.