JP6184346B2 - 制御棒駆動機構 - Google Patents
制御棒駆動機構 Download PDFInfo
- Publication number
- JP6184346B2 JP6184346B2 JP2014044931A JP2014044931A JP6184346B2 JP 6184346 B2 JP6184346 B2 JP 6184346B2 JP 2014044931 A JP2014044931 A JP 2014044931A JP 2014044931 A JP2014044931 A JP 2014044931A JP 6184346 B2 JP6184346 B2 JP 6184346B2
- Authority
- JP
- Japan
- Prior art keywords
- control rod
- drive mechanism
- rod drive
- spool piece
- outer tube
- 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.)
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Classifications
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C7/00—Control of nuclear reaction
- G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
- G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
- G21C7/12—Means for moving control elements to desired position
- G21C7/14—Mechanical drive arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/11—Structural association with clutches, brakes, gears, pulleys or mechanical starters with dynamo-electric clutches
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/2062—Arrangements for driving the actuator
- F16H2025/2075—Coaxial drive motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- High Energy & Nuclear Physics (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Description
Claims (2)
- アウターチューブと、前記アウターチューブ内に配置されたガイドチューブと、前記アウターチューブの下端部が挿入されて前記アウターチューブ及び前記ガイドチューブを支持するスプールピースと、前記スプールピース内に配置された内側磁気継手と、前記内側磁気継手により回転され、前記ガイドチューブ内に配置されたボールねじと、前記ボールねじに噛み合ったボールナットと、前記ボールナットの上に置かれ、制御棒に連結されるピストンチューブと、前記スプールピースの下方に配置されて取り外し可能に前記スプールピースに取り付けられるモータと、前記スプールピースの外側に配置されて前記モータの回転軸に連結され、前記スプールピースを挟んで前記内側磁気継手に対向して配置される外側磁気継手と、前記モータと前記外側磁気継手の間に配置され、前記モータの回転が停止されているときに前記モータの回転軸の回転を阻止する保持ブレーキとを備え、
前記アウターチューブの外径は、前記アウターチューブの全長に亘って前記スプールピースの内径よりも小さく、前記アウターチューブは前記アウターチューブの半径方向において前記スプールピースの内面よりも外側に突出していない構造を有しており、
前記スプールピースの前記内側磁気継手に対向する位置に、前記保持ブレーキとは別に、前記内側磁気継手と磁気的に対となる磁石であって前記内側磁気継手の回転を阻止する回転阻止磁石を設けたことを特徴とする制御棒駆動機構。 - 外側磁気継手は前記回転阻止磁石よりも外側に位置している請求項1に記載の制御棒駆動機構。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014044931A JP6184346B2 (ja) | 2014-03-07 | 2014-03-07 | 制御棒駆動機構 |
US14/625,827 US10242759B2 (en) | 2014-03-07 | 2015-02-19 | Control rod drive mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014044931A JP6184346B2 (ja) | 2014-03-07 | 2014-03-07 | 制御棒駆動機構 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015169554A JP2015169554A (ja) | 2015-09-28 |
JP6184346B2 true JP6184346B2 (ja) | 2017-08-23 |
Family
ID=54018027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014044931A Active JP6184346B2 (ja) | 2014-03-07 | 2014-03-07 | 制御棒駆動機構 |
Country Status (2)
Country | Link |
---|---|
US (1) | US10242759B2 (ja) |
JP (1) | JP6184346B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10872702B2 (en) | 2016-07-13 | 2020-12-22 | Ge-Hitachi Nuclear Energy Americas Llc | Stationary isolated rod couplings for use in a nuclear reactor control rod drive |
GB2570220B (en) | 2016-07-13 | 2022-01-05 | Ge Hitachi Nuclear Energy Americas Llc | Magnetically-actuated isolated rod couplings for use in a nuclear reactor control rod drive |
CA3155316C (en) | 2016-07-13 | 2023-10-03 | Ge-Hitachi Nuclear Energy Americas Llc | Moveable isolated rod couplings for use in a nuclear reactor control rod drive |
EP3495690B1 (en) * | 2016-08-03 | 2022-08-31 | Azbil Corporation | Conveying device |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6047987A (ja) | 1983-08-26 | 1985-03-15 | 株式会社東芝 | 制御棒駆動装置 |
US5089211A (en) * | 1991-02-11 | 1992-02-18 | General Electric Company | Control rod drive |
JP3485988B2 (ja) | 1994-07-11 | 2004-01-13 | 株式会社東芝 | 制御棒駆動機構 |
JPH10132977A (ja) | 1996-10-28 | 1998-05-22 | Toshiba Corp | 制御棒駆動機構 |
JPH11153687A (ja) * | 1997-11-25 | 1999-06-08 | Hitachi Ltd | 原子炉の制御棒制御装置 |
JPH11281785A (ja) * | 1998-03-27 | 1999-10-15 | Hitachi Ltd | 制御棒駆動機構 |
JP2000214288A (ja) * | 1999-01-22 | 2000-08-04 | Toshiba Corp | 制御棒駆動機構 |
JP2007232422A (ja) * | 2006-02-28 | 2007-09-13 | Hitachi Ltd | 制御棒駆動機構 |
JP4560091B2 (ja) * | 2008-01-23 | 2010-10-13 | 日立Geニュークリア・エナジー株式会社 | 制御棒位置検出装置及び制御棒駆動機構 |
JP5537225B2 (ja) | 2010-03-31 | 2014-07-02 | 日立Geニュークリア・エナジー株式会社 | 改良型制御棒駆動機構取扱装置及びその装置の取扱い方法 |
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2014
- 2014-03-07 JP JP2014044931A patent/JP6184346B2/ja active Active
-
2015
- 2015-02-19 US US14/625,827 patent/US10242759B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US10242759B2 (en) | 2019-03-26 |
US20150255178A1 (en) | 2015-09-10 |
JP2015169554A (ja) | 2015-09-28 |
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