JP2015102527A5 - - Google Patents
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- Publication number
- JP2015102527A5 JP2015102527A5 JP2013245754A JP2013245754A JP2015102527A5 JP 2015102527 A5 JP2015102527 A5 JP 2015102527A5 JP 2013245754 A JP2013245754 A JP 2013245754A JP 2013245754 A JP2013245754 A JP 2013245754A JP 2015102527 A5 JP2015102527 A5 JP 2015102527A5
- Authority
- JP
- Japan
- Prior art keywords
- flaw detection
- detection sensor
- pressure vessel
- reactor pressure
- nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 6
- 239000000523 sample Substances 0.000 claims 3
- 239000012530 fluid Substances 0.000 claims 1
Claims (4)
前記探傷プローブは、前記給水ノズルのコーナー部の表面に設定されて点検する探傷センサと、該探傷センサを固定するシューと、該シューに固定された前記探傷センサを前記オフセットアームに取り付ける取付座と、該取付座に支持され、かつ、前記探傷センサを前記給水ノズルのコーナー部に押し付けるバネとから成ることを特徴とする原子炉圧力容器ノズルの保全装置。 In the maintenance apparatus of the reactor pressure vessel nozzle of any one of Claims 3 thru | or 5,
The flaw detection probe includes a flaw detection sensor that is set and inspected on the surface of the corner portion of the water supply nozzle, a shoe that fixes the flaw detection sensor, and a mounting seat that attaches the flaw detection sensor fixed to the shoe to the offset arm. A reactor pressure vessel nozzle maintenance device comprising: a spring supported by the mounting seat and pressing the flaw detection sensor against a corner portion of the water supply nozzle.
前記探傷プローブは、前記給水ノズルのコーナー部の表面に設定されて点検する探傷センサと、該探傷センサを固定するシューと、該シューに固定された前記探傷センサを前記オフセットアームに取り付ける取付座と、該取付座に支持され、かつ、前記探傷センサを前記給水ノズルのコーナー部に流体圧で押し付けるチューブとから成ることを特徴とする原子炉圧力容器ノズルの保全装置。 In the maintenance apparatus of the reactor pressure vessel nozzle of any one of Claims 3 thru | or 5,
The flaw detection probe includes a flaw detection sensor that is set and inspected on the surface of the corner portion of the water supply nozzle, a shoe that fixes the flaw detection sensor, and a mounting seat that attaches the flaw detection sensor fixed to the shoe to the offset arm. A reactor pressure vessel nozzle maintenance device comprising: a tube supported by the mounting seat and pressing the flaw detection sensor against a corner portion of the water supply nozzle with fluid pressure.
前記探傷プローブは、前記給水ノズルのコーナー部の表面に設定されて点検する探傷センサと、該探傷センサを固定するシューと、該シューに固定された前記探傷センサを前記オフセットアームに取り付ける取付座と、該取付座に支持され、かつ、前記探傷センサを前記給水ノズルのコーナー部に押し付ける弾性体とから成ることを特徴とする原子炉圧力容器ノズルの保全装置。 In the maintenance apparatus of the reactor pressure vessel nozzle of any one of Claims 3 thru | or 5,
The flaw detection probe includes a flaw detection sensor that is set and inspected on the surface of the corner portion of the water supply nozzle, a shoe that fixes the flaw detection sensor, and a mounting seat that attaches the flaw detection sensor fixed to the shoe to the offset arm. A reactor pressure vessel nozzle maintenance device comprising: an elastic body supported by the mounting seat and pressing the flaw detection sensor against a corner portion of the water supply nozzle.
前記オフセットアームは、前記駆動部の軸中心に対して一方向にオフセットされたシングルオフセットアームか、或いは前記駆動部の軸中心に対して一方向にオフセットされたアームが、前記給水ノズルコーナー部の周方向に更にオフセットされたダブルオフセットアームであることを特徴とする原子炉圧力容器ノズルの保全装置。
The reactor pressure vessel nozzle maintenance apparatus according to any one of claims 1 to 14,
The offset arm is a single offset arm that is offset in one direction with respect to the axis center of the drive unit, or an arm that is offset in one direction with respect to the axis center of the drive unit is A maintenance device for a reactor pressure vessel nozzle, wherein the maintenance device is a double offset arm further offset in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013245754A JP6251025B2 (en) | 2013-11-28 | 2013-11-28 | Reactor pressure vessel nozzle maintenance device and maintenance method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013245754A JP6251025B2 (en) | 2013-11-28 | 2013-11-28 | Reactor pressure vessel nozzle maintenance device and maintenance method thereof |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015102527A JP2015102527A (en) | 2015-06-04 |
| JP2015102527A5 true JP2015102527A5 (en) | 2016-09-08 |
| JP6251025B2 JP6251025B2 (en) | 2017-12-20 |
Family
ID=53378309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013245754A Active JP6251025B2 (en) | 2013-11-28 | 2013-11-28 | Reactor pressure vessel nozzle maintenance device and maintenance method thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6251025B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6621336B2 (en) * | 2016-02-02 | 2019-12-18 | 日立Ｇｅニュークリア・エナジー株式会社 | Inspection device |
| JP7170505B2 (en) * | 2018-11-05 | 2022-11-14 | 株式会社東芝 | Inspection device and inspection method for reactor pressure vessel |
| KR102278093B1 (en) * | 2019-11-08 | 2021-07-16 | 한국원자력연구원 | Sensor tube of humidity sensor, humidity sensor assembly, tube assembly and humidity sensor system |
| JP7374842B2 (en) | 2020-04-28 | 2023-11-07 | 株式会社東芝 | Inspection equipment and inspection method |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4149932A (en) * | 1977-03-25 | 1979-04-17 | Westinghouse Electric Corp. | Emergency disconnect means for the manipulator arm of a nuclear reactor vessel inspection apparatus |
| JPS5518962A (en) * | 1978-07-27 | 1980-02-09 | Hitachi Ltd | Device for detecting in nuclear reactor vessel |
| JPS56161567U (en) * | 1980-05-06 | 1981-12-01 | ||
| JPS6144348A (en) * | 1984-08-07 | 1986-03-04 | Toshiba Corp | Ultrasonic flaw detection apparatus for piping |
| JPH0425650Y2 (en) * | 1985-01-21 | 1992-06-19 | ||
| JPH0610315Y2 (en) * | 1987-07-22 | 1994-03-16 | 三菱重工業株式会社 | Ultrasonic probe for nozzle corner |
| JP2002168992A (en) * | 2000-11-30 | 2002-06-14 | Hitachi Ltd | Method for repair of inside reactor pressure vessel, and repairing device |
| JP2003344360A (en) * | 2002-05-23 | 2003-12-03 | Central Res Inst Of Electric Power Ind | Apparatus for inspecting three-dimensional object |
| WO2006135386A2 (en) * | 2004-08-06 | 2006-12-21 | Westinghouse Electric Company Llc | A method of repairing a metallic surface wetted by a radioactive fluid |
| JP2007003442A (en) * | 2005-06-27 | 2007-01-11 | Mitsubishi Heavy Ind Ltd | Ut inspection method and device for nozzle weld zone of reactor vessel |
| US7421915B2 (en) * | 2006-03-24 | 2008-09-09 | The Tokyo Electric Power Company, Incorporated | Nondestructive inspection apparatus |
| JP5016977B2 (en) * | 2007-05-29 | 2012-09-05 | 株式会社日立製作所 | Eddy current testing probe |
| JP5260410B2 (en) * | 2009-05-29 | 2013-08-14 | 日立Ｇｅニュークリア・エナジー株式会社 | Method and apparatus for preventive maintenance of in-furnace equipment |
| JP5706772B2 (en) * | 2011-07-05 | 2015-04-22 | 日立Ｇｅニュークリア・エナジー株式会社 | Nondestructive inspection method |
-
2013
- 2013-11-28 JP JP2013245754A patent/JP6251025B2/en active Active
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