JPH01146194U - - Google Patents
Info
- Publication number
- JPH01146194U JPH01146194U JP1988043237U JP4323788U JPH01146194U JP H01146194 U JPH01146194 U JP H01146194U JP 1988043237 U JP1988043237 U JP 1988043237U JP 4323788 U JP4323788 U JP 4323788U JP H01146194 U JPH01146194 U JP H01146194U
- Authority
- JP
- Japan
- Prior art keywords
- end plug
- rod
- water
- fuel
- tie plate
- 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
- 239000000446 fuel Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims 2
- 238000005452 bending Methods 0.000 claims 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
- Supports For Pipes And Cables (AREA)
Description
第１図は本考案に係るウオータロツドまたはウ
オータチヤンネルの支持装置を示す要部縦断正面
図、第２図は同上装置に用いる板ばねの一実施例
を示した平面図、第３図ａは板ばねの他実施例を
示した平面図で同図ｂが当該板ばねの使用態様を
示した平面図、第４図は従来の沸騰水型原子炉用
燃料集合体を示す一部切欠の正面図、第５図は同
上燃料集合体の要部を示した縦断拡大正面図であ
る。
１……ウオータロツドまたはウオータチヤンネ
ル、２……下部端栓、３……下部タイプレート、
３ａ……上載面、４……燃料棒、４ａ……下部端
栓、５……板ばね、５ａ……曲成弾性部、５ｂ…
…嵌合主孔、５ｃ……連結主板、５ｄ……嵌合副
孔、５ｅ……連結副板、５ｆ……曲成弾性腕板。
Fig. 1 is a longitudinal sectional front view of essential parts showing a support device for a water rod or water channel according to the present invention, Fig. 2 is a plan view showing an embodiment of a leaf spring used in the same device, and Fig. 3a is a leaf spring. FIG. 4 is a plan view showing another embodiment, and FIG. 4 is a plan view showing how the leaf spring is used, and FIG. FIG. 5 is an enlarged longitudinal sectional front view showing the main parts of the same fuel assembly. 1...Water rod or water channel, 2...Lower end plug, 3...Lower tie plate,
3a... Upper surface, 4... Fuel rod, 4a... Lower end plug, 5... Leaf spring, 5a... Curved elastic part, 5b...
...Fitting main hole, 5c... Connection main plate, 5d... Fitting sub-hole, 5e... Connection sub-plate, 5f... Curved elastic arm plate.
Claims (1)
チヤンネルの上部端栓と下部端栓とが、前者は燃
料集合体の上部タイプレートに穿設した取付縦孔
に嵌合、後者は当該燃料集合体の下部タイプレー
ト上載面に横動自在なるよう支承されると共に、
当該下部端栓が、上部タイプレートと下部タイプ
レートとの間に多数離間縦設されている燃料棒中
、所要隣装燃料棒の下部端栓と、曲成弾性部をも
たせた板ばねにより連結されてなる燃料集合体の
ウオータロツドまたはウオータチヤンネル支持装
置。 (2) 曲成弾性部をもつた板ばねが、ウオータロ
ツドまたはウオータチヤンネルの下部端栓用であ
る嵌合主孔をもつた連結主板と、燃料棒の下部端
栓用である嵌合副孔をもつた２個以上の連結副板
とが、夫々の曲成弾性腕板によつて連設されてい
る請求項１記載の燃料集合体のウオータロツドま
たはウオータチヤンネル支持装置。[Claims for Utility Model Registration] (1) An upper end plug and a lower end plug of a longitudinally installed water rod or water channel, the former fitting into a vertical mounting hole bored in an upper tie plate of a fuel assembly; The latter is supported so as to be able to move laterally on the mounting surface of the lower tie plate of the fuel assembly, and
The lower end plug is connected to the lower end plug of the required adjacent fuel rod among the fuel rods vertically arranged at a distance between the upper tie plate and the lower tie plate by a leaf spring having a bending elastic part. A water rod or water channel support device for a fuel assembly. (2) A leaf spring with a bent elastic portion has a connecting main plate having a main mating hole for the lower end plug of a water rod or water channel, and a secondary mating hole for the lower end plug of a fuel rod. 2. The water rod or water channel support device for a fuel assembly according to claim 1, wherein the two or more connecting sub-plates are connected by respective curved elastic arm plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988043237U JPH01146194U (en) | 1988-03-31 | 1988-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988043237U JPH01146194U (en) | 1988-03-31 | 1988-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01146194U true JPH01146194U (en) | 1989-10-09 |
Family
ID=31269643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988043237U Pending JPH01146194U (en) | 1988-03-31 | 1988-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01146194U (en) |
-
1988
- 1988-03-31 JP JP1988043237U patent/JPH01146194U/ja active Pending
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