JPS5836397U - Nuclear reactor control rod drive device - Google Patents

Nuclear reactor control rod drive device

Info

Publication number
JPS5836397U
JPS5836397U JP1981131117U JP13111781U JPS5836397U JP S5836397 U JPS5836397 U JP S5836397U JP 1981131117 U JP1981131117 U JP 1981131117U JP 13111781 U JP13111781 U JP 13111781U JP S5836397 U JPS5836397 U JP S5836397U
Authority
JP
Japan
Prior art keywords
drive device
drive
pressure pipe
reactor
control rod
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
Application number
JP1981131117U
Other languages
Japanese (ja)
Other versions
JPS643103Y2 (en
Inventor
靖彦 宮坂
竹内 光男
小野崎 美智夫
Original Assignee
日本原子力研究所
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日本原子力研究所 filed Critical 日本原子力研究所
Priority to JP1981131117U priority Critical patent/JPS5836397U/en
Publication of JPS5836397U publication Critical patent/JPS5836397U/en
Application granted granted Critical
Publication of JPS643103Y2 publication Critical patent/JPS643103Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図はこの考案の制御棒駆動装置の一態様を示す縦断面図
である。 1:炉心、2:原子炉−次冷却水、3:原子炉底壁、4
:角形ガイド管、5:貫通孔、6:吸収体、7:ポイゾ
ン燃料体、8ニガイドローラ、9:連結部、10ニスペ
ーサ、11ニガイドローラ、12;連結部、13:駆動
軸、14ニラツク部、15ニラツク連結棒、16:案内
部、17:圧力管、18:ボール弁、19:駆動伝達部
、20ニステツプモータ、21:減速機、22:軸シー
ル部、23:ピニオン歯車、24:緩衝部、25:スト
ッパ、26:ピストン、27:スプリング、28:下端
フランジ部、29ニ一次水排出カプラー、30;駆動信
号発生部、31:励磁電源、32:位置検出部、33:
位置指示検出部。
The figure is a longitudinal sectional view showing one embodiment of the control rod drive device of this invention. 1: Reactor core, 2: Reactor-subcooling water, 3: Reactor bottom wall, 4
: Square guide tube, 5: Through hole, 6: Absorber, 7: Poison fuel body, 8 Ni guide roller, 9: Connecting part, 10 Ni spacer, 11 Ni guide roller, 12; Connecting part, 13: Drive shaft, 14 Nirakku part, 15 Nirakku connecting rod, 16: Guide part, 17: Pressure pipe, 18: Ball valve, 19: Drive transmission part, 20 Nistep motor, 21: Reducer, 22: Shaft seal part, 23: Pinion gear, 24: Buffer section, 25: Stopper, 26: Piston, 27: Spring, 28: Lower end flange section, 29 Primary water discharge coupler, 30: Drive signal generation section, 31: Excitation power source, 32: Position detection section, 33:
Position indication detection section.

Claims (1)

【実用新案登録請求の範囲】 1 原子炉の炉心底壁に設けられた貫通孔に挿入されて
いて原子炉の炉心部から制御棒を駆動する原子炉の制御
棒駆動装置にして、 (イ)制御棒に連結されていて制御棒を駆動する駆動軸
; (ロ) ボール弁; (ハ)駆動軸に駆動力を伝達する駆動伝達部;および に)前記駆動軸、ボール弁および駆動伝達部を内包し貫
通孔に挿入されている圧力管 とから成る制御装置。 2 貫通孔がステンレス合金製で原子炉底壁の上部に先
端が差し込まれたアルミニウム合金製のガイド管と圧力
管を連通ずる実用新案登録請求の範囲第1項に記載の駆
動装置。 3 制御棒が中性子吸収体、ポイゾン燃料体及び角形ガ
イド管内でこれらを案内する複数個のガイドローラから
構成されている実用新案登録語“ 求の範囲第1項に記
載の駆動装置。 4 駆動装置がスペーサ、ガイドローラ、連結部および
ランク連結棒から構成さされていて、脱着可能な連結部
で制御棒に連結されている実用新案登録請求の範囲第1
項に記載の駆動装置。 5 駆動伝達部が、その一方をステップモータに、゛ 
 他方を軸シール部を有しピニオン歯車を固定している
軸に歯車を用いて接続されている減速機及びラック部に
カミ合うピニオン歯車から構成されている実用新案登録
請求の範囲第1項に記載の駆動装置。 6 圧力管が下端に圧力管から分割可能な下端フランジ
部を内包する実用新案登録請求の範囲第1項に記載の駆
動装置。 7 圧力管が内包する駆動伝達部が圧力管から分割出来
ることを特徴とする実用新案登録請求の範囲第1項に記
載の駆動装置。 8 減速機が平歯車の組合せから成る実用新案登録請求
の範囲第5項に記載の駆動装置。 9 ピニオン歯車が耐腐食性材料で軸シール部に固定さ
れている実用新案登録請求の範囲第5項に記載の駆動装
置。 lOステップ千−夕が駆動信号発生部の制御信号により
連続回転すると共に励磁電源により原子炉の制御棒定位
置を保持する実用新案登録請求の範囲第5項に記載の駆
動装置。 11  ステップモータの励磁電源を開放すること。 によって原子炉の制御棒及び駆動軸が自重落下する実用
新案登録請求の範囲第10項に記載の駆動装置。 12  圧力管の下端に緩衝部を設け5た実用新案登録
請求の範囲第1項に記載の駆動装置。 13  緩衝部が、ピストン及び圧力管の内面に設けら
れたストッパー及びスプリングから構成されている実用
新案登録請求の範囲第12項に記載の駆動装置。 14  下端フランジ部に一次排出力ブラーを設けた実
用新案登録請求の範囲第6項番こ記載の駆動装置。 15  駆動伝達部に原子炉の制御棒位置指示を行なう
信号を発生する位置指示検出部を設&J−だ実用新案登
録請求の範囲第1項に記載の駆動装置916  駆動信
号発生部がステ・ンブモータヘ一定中のパルスを送出す
ると共に実回転とのズレを検出する脱調回路を有し過負
荷時番こステ・ンブモータを停止する信号を発生する実
用新案登録請求の範囲第10項に記載の駆動装置。 17  圧力管に原子炉の制御棒下限位置及び規定上限
位置を検出し位置表示し駆動制御信号発生部へ信号を発
生する位置検出部を設&’f fコ実用新案登録請求の
範囲第1項に記載の駆動装置。
[Scope of Claim for Utility Model Registration] 1. A control rod drive device for a nuclear reactor that is inserted into a through hole provided in the bottom wall of a nuclear reactor core and drives control rods from the core of the reactor, (a) a drive shaft connected to the control rod and driving the control rod; (b) a ball valve; (c) a drive transmission section that transmits driving force to the drive shaft; A control device consisting of a pressure tube that is enclosed and inserted into a through hole. 2. The drive device according to claim 1, wherein the through hole is made of stainless steel and communicates the pressure pipe with an aluminum alloy guide pipe whose tip is inserted into the upper part of the bottom wall of the reactor. 3. The drive device according to item 1 of the scope of the request, in which the control rod is composed of a neutron absorber, a poison fuel body, and a plurality of guide rollers that guide these in a rectangular guide tube. 4. Drive device The utility model registration claim 1 comprises a spacer, a guide roller, a connecting part and a rank connecting rod, and is connected to a control rod by a detachable connecting part.
The drive device described in section. 5 The drive transmission section connects one side to the step motor,
Claim 1 of the Utility Model Registration Claim consists of a speed reducer whose other end is connected by a gear to a shaft having a shaft seal and a pinion gear fixed thereto, and a pinion gear which fits into the rack part. Drive device as described. 6. The drive device according to claim 1, wherein the pressure pipe includes a lower end flange portion that is separable from the pressure pipe. 7. The drive device according to claim 1, wherein the drive transmission section included in the pressure pipe can be separated from the pressure pipe. 8. The drive device according to claim 5, wherein the speed reducer comprises a combination of spur gears. 9. The drive device according to claim 5, wherein the pinion gear is fixed to the shaft seal portion using a corrosion-resistant material. 6. The driving device according to claim 5, wherein the lO step is continuously rotated by a control signal from a drive signal generating section and the control rods of the nuclear reactor are held in a fixed position by an excitation power source. 11. Open the excitation power supply of the step motor. The drive device according to claim 10, in which the control rods and drive shaft of the nuclear reactor fall under their own weight. 12. The drive device according to claim 1, wherein a buffer section is provided at the lower end of the pressure pipe. 13. The drive device according to claim 12, wherein the buffer section is constituted by a stopper and a spring provided on the inner surface of the piston and the pressure pipe. 14. The drive device according to claim 6, which is provided with a primary ejection force blur at the lower end flange. 15 Utility model registration in which the drive transmission unit is provided with a position indication detection unit that generates a signal for indicating the position of the control rods of the reactor 916 The drive device according to claim 1. The drive according to claim 10, which sends out constant pulses and has an out-of-step circuit that detects a deviation from the actual rotation, and generates a signal to stop the stopper motor in the event of an overload. Device. 17 A position detection part is installed in the pressure pipe to detect and display the lower limit position and specified upper limit position of the control rods of the reactor, and to generate a signal to the drive control signal generation part. Scope of Utility Model Registration Claim 1 The drive device described in .
JP1981131117U 1981-09-03 1981-09-03 Nuclear reactor control rod drive device Granted JPS5836397U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981131117U JPS5836397U (en) 1981-09-03 1981-09-03 Nuclear reactor control rod drive device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981131117U JPS5836397U (en) 1981-09-03 1981-09-03 Nuclear reactor control rod drive device

Publications (2)

Publication Number Publication Date
JPS5836397U true JPS5836397U (en) 1983-03-09
JPS643103Y2 JPS643103Y2 (en) 1989-01-26

Family

ID=29924711

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981131117U Granted JPS5836397U (en) 1981-09-03 1981-09-03 Nuclear reactor control rod drive device

Country Status (1)

Country Link
JP (1) JPS5836397U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0652775U (en) * 1992-12-22 1994-07-19 ジューキ株式会社 Overlock sewing machine
JP2017502308A (en) * 2013-10-31 2017-01-19 ジョイント ストック カンパニー“アクメ−エンジニアリング” Emergency safety rod drive

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0652775U (en) * 1992-12-22 1994-07-19 ジューキ株式会社 Overlock sewing machine
JP2017502308A (en) * 2013-10-31 2017-01-19 ジョイント ストック カンパニー“アクメ−エンジニアリング” Emergency safety rod drive

Also Published As

Publication number Publication date
JPS643103Y2 (en) 1989-01-26

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