JPS6360996U - - Google Patents

Info

Publication number
JPS6360996U
JPS6360996U JP1986154351U JP15435186U JPS6360996U JP S6360996 U JPS6360996 U JP S6360996U JP 1986154351 U JP1986154351 U JP 1986154351U JP 15435186 U JP15435186 U JP 15435186U JP S6360996 U JPS6360996 U JP S6360996U
Authority
JP
Japan
Prior art keywords
control rod
drive mechanism
rod drive
fall prevention
utility
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.)
Pending
Application number
JP1986154351U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP1986154351U priority Critical patent/JPS6360996U/ja
Publication of JPS6360996U publication Critical patent/JPS6360996U/ja
Pending legal-status Critical Current

Links

Classifications

    • 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

  • Pressure Vessels And Lids Thereof (AREA)

Description

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

第１図は本考案の制御棒駆動機構の実施例を示
す要部の縦断面図、第２図ないし第５図はそれぞ
れ本考案の他の実施例を示す縦断面図、第６図は
従来の制御棒駆動機構を例示する縦断面図、第７
図はその一部を拡大して示す縦断面図である。 １……圧力容器底部、２……制御棒駆動機構ハ
ウジング、３……制御棒、４……制御棒駆動機構
、５……制御棒位置検出装置、９ａ……ピストン
下室、９ｂ……ピストン上室、１０……駆動部、
１１……ピストン、１４……マグネツト、１５…
…リードスイツチ、１８……サポート、２０……
フランジ、２２……底板部、３１，４０，５０，
６０，７０……落下防止部。 FIG. 1 is a longitudinal cross-sectional view of the main parts showing an embodiment of the control rod drive mechanism of the present invention, FIGS. 2 to 5 are longitudinal cross-sectional views showing other embodiments of the present invention, and FIG. 6 is a conventional Seventh longitudinal sectional view illustrating the control rod drive mechanism of
The figure is a longitudinal sectional view showing an enlarged part of it. DESCRIPTION OF SYMBOLS 1... Bottom of pressure vessel, 2... Control rod drive mechanism housing, 3... Control rod, 4... Control rod drive mechanism, 5... Control rod position detection device, 9a... Piston lower chamber, 9b... Piston Upper chamber, 10... drive unit,
11... Piston, 14... Magnet, 15...
...Reed switch, 18...Support, 20...
Flange, 22...Bottom plate part, 31, 40, 50,
60, 70...Fall prevention section.

Claims (1)

【実用新案登録請求の範囲】 (1) 制御棒駆動機構の下端に制御棒位置検出装
置のフランジ部をボルトで取付けた制御棒駆動機
構において、前記ボルトにはそれが前記フランジ
部から脱落することを防止する落下防止部を設け
、かつ前記フランジ部内には前記落下防止部を収
納する凹部を設けたことを特徴とする制御棒駆動
機構。 (2) 落下防止部が太径ねじ部からなり、制御棒
位置検出装置の底板部に前記太径ねじ部に螺合す
る雌ねじが形成されていることを特徴とする実用
新案登録請求の範囲第１項記載の制御棒駆動機構
。 (3) 落下防止部がゴムオーリングからなること
を特徴とする実用新案登録請求の範囲第１項記載
の制御棒駆動機構。 (4) ボルトの先端がテーパ状であることを特徴
とする実用新案登録請求の範囲第１項ないし第３
項に記載の制御棒駆動機構。[Claims for Utility Model Registration] (1) In a control rod drive mechanism in which a flange portion of a control rod position detection device is attached to the lower end of the control rod drive mechanism with bolts, the bolt has no possibility of falling off from the flange portion. What is claimed is: 1. A control rod drive mechanism characterized in that a fall prevention part is provided for preventing the fall, and a recess for accommodating the fall prevention part is provided in the flange part. (2) Utility model registration claim No. 1, characterized in that the fall prevention part consists of a large-diameter threaded part, and a female thread is formed in the bottom plate part of the control rod position detection device to be screwed into the large-diameter threaded part. The control rod drive mechanism according to item 1. (3) The control rod drive mechanism according to claim 1, wherein the fall prevention part is made of a rubber O-ring. (4) Claims 1 to 3 of the utility model registration, characterized in that the tip of the bolt is tapered.
The control rod drive mechanism described in .
JP1986154351U 1986-10-09 1986-10-09 Pending JPS6360996U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986154351U JPS6360996U (en) 1986-10-09 1986-10-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986154351U JPS6360996U (en) 1986-10-09 1986-10-09

Publications (1)

Publication Number Publication Date
JPS6360996U true JPS6360996U (en) 1988-04-22

Family

ID=31074062

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986154351U Pending JPS6360996U (en) 1986-10-09 1986-10-09

Country Status (1)

Country Link
JP (1) JPS6360996U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009079592A (en) * 2007-09-25 2009-04-16 General Electric Co <Ge> Bolt assembly for steam turbine engine and method of assembling the same
JP2013083642A (en) * 2011-10-11 2013-05-09 Areva Np Gmbh Safety apparatus for control rod in nuclear power equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5534687B2 (en) * 1973-06-20 1980-09-09
JPS5732214B2 (en) * 1974-01-04 1982-07-09
JPS58174896A (en) * 1982-04-07 1983-10-13 株式会社東芝 Control rod position detecting device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5534687B2 (en) * 1973-06-20 1980-09-09
JPS5732214B2 (en) * 1974-01-04 1982-07-09
JPS58174896A (en) * 1982-04-07 1983-10-13 株式会社東芝 Control rod position detecting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009079592A (en) * 2007-09-25 2009-04-16 General Electric Co <Ge> Bolt assembly for steam turbine engine and method of assembling the same
JP2013083642A (en) * 2011-10-11 2013-05-09 Areva Np Gmbh Safety apparatus for control rod in nuclear power equipment

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