JPH0336998U - - Google Patents
Info
- Publication number
- JPH0336998U JPH0336998U JP1989097494U JP9749489U JPH0336998U JP H0336998 U JPH0336998 U JP H0336998U JP 1989097494 U JP1989097494 U JP 1989097494U JP 9749489 U JP9749489 U JP 9749489U JP H0336998 U JPH0336998 U JP H0336998U
- Authority
- JP
- Japan
- Prior art keywords
- fixed
- mandrel
- nuclear fuel
- nut
- channel box
- 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
Links
- 239000003758 nuclear fuel Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
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
- Monitoring And Testing Of Nuclear Reactors (AREA)
Description
第１図は本考案の一実施例の縦断面図、第２図
は第１図の廻り止メ部の拡大図で、同図ａは上面
図、同図ｂは側面図、第３図は従来の原子燃料体
の縦断面図、第４図は第３図の廻り止メ部を拡大
した縦断面図、第５図は第３図のＡ方向から見た
上面図、第６図はナツトの取り付け、取はずし方
法及び廻り止メの状態を示す縦断面図である。
１……ノズル、２……心棒、３……流路箱、４
……固定部、５……円管、６……核燃料棒、７…
…ハンドリングヘツド、８……フクロナツト、９
……ピン、１０……バネ、１１……スパナ、１２
……廻り止メ板、１３……溝。
Fig. 1 is a longitudinal cross-sectional view of one embodiment of the present invention, Fig. 2 is an enlarged view of the rotation stopper shown in Fig. 1, Fig. 1a is a top view, Fig. 3b is a side view, and Fig. 3 is an enlarged view of the rotation stopper portion of Fig. 1. A vertical cross-sectional view of a conventional nuclear fuel assembly. Figure 4 is an enlarged vertical cross-sectional view of the rotation stopper in Figure 3. Figure 5 is a top view as seen from direction A in Figure 3. Figure 6 is a diagram of the nut. FIG. 3 is a vertical cross-sectional view showing how to attach and remove the holder and the state of the rotation stopper. 1... Nozzle, 2... Mandrel, 3... Channel box, 4
... Fixed part, 5 ... Circular tube, 6 ... Nuclear fuel rod, 7 ...
...Handling head, 8... Fukuro nut, 9
...Pin, 10...Spring, 11...Spanner, 12
...Turn stop plate, 13...groove.
Claims (1)
先端中央に一端を固定した心棒を設け、前記流路
箱内に複数の核燃料棒を固定し、前記流路箱の出
口側に前記心棒を貫通させたハンドリングヘツド
を設け、このハンドリングヘツドを前記心棒先端
に螺合するナツトで締付固定した原子燃料体にお
いて、バネ性を有した円弧状に曲げた板を前記ナ
ツト外縁に接して前記ハンドリングヘツドに設け
た溝内に取り付け、前記ナツトの廻り止メとする
とともに当該板がバイメタルより構成されている
ことを特徴とする原子燃料体。 A nozzle is fixed on the inlet side of the channel box, a mandrel with one end fixed is provided at the center of the nozzle tip, a plurality of nuclear fuel rods are fixed in the channel box, and the mandrel is fixed at the outlet side of the channel box. In a nuclear fuel assembly, a handling head is provided, and the handling head is tightened and fixed by a nut screwed onto the tip of the mandrel, and a plate bent into an arc shape having spring properties is brought into contact with the outer edge of the nut to provide the handling head. A nuclear fuel assembly, characterized in that the plate is installed in a groove provided in a head to prevent the nut from turning, and the plate is made of bimetal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989097494U JPH0336998U (en) | 1989-08-23 | 1989-08-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989097494U JPH0336998U (en) | 1989-08-23 | 1989-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0336998U true JPH0336998U (en) | 1991-04-10 |
Family
ID=31646632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989097494U Pending JPH0336998U (en) | 1989-08-23 | 1989-08-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0336998U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006011870A (en) * | 2004-06-25 | 2006-01-12 | Secom Co Ltd | Closure detecting unit for storage |
-
1989
- 1989-08-23 JP JP1989097494U patent/JPH0336998U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006011870A (en) * | 2004-06-25 | 2006-01-12 | Secom Co Ltd | Closure detecting unit for storage |
| JP4628706B2 (en) * | 2004-06-25 | 2011-02-09 | セコム株式会社 | Storage closure detector |
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