JPS63141495U - - Google Patents
Info
- Publication number
- JPS63141495U JPS63141495U JP1987033635U JP3363587U JPS63141495U JP S63141495 U JPS63141495 U JP S63141495U JP 1987033635 U JP1987033635 U JP 1987033635U JP 3363587 U JP3363587 U JP 3363587U JP S63141495 U JPS63141495 U JP S63141495U
- Authority
- JP
- Japan
- Prior art keywords
- wall
- cylindrical
- gap
- ring
- piston member
- 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
Links
- 238000003466 welding Methods 0.000 claims description 4
- 239000003758 nuclear fuel Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 3
- 239000012530 fluid Substances 0.000 claims 1
- 239000000446 fuel Substances 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000007789 sealing 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
- Butt Welding And Welding Of Specific Article (AREA)
- Gasket Seals (AREA)
Description
第１図は本考案の一実施例を示す一部切欠正面
図、第２図は第１シール環の縦断面図、第３図は
従来装置の要部断面図である。
Ａ……原子燃料棒、Ｂ……溶接チヤンバ、２…
…第１シール環、６……第２シール環、１０……
第１円筒体、１１……円筒外周壁、１２……円筒
内周壁、１４……シリンダチヤンバ、２０……第
２円筒体、２４……シリンダチヤンバ、３０……
バツクアツプ環、４０……第１ピストン部材、５
０……第２ピストン部材。
FIG. 1 is a partially cutaway front view showing an embodiment of the present invention, FIG. 2 is a longitudinal sectional view of a first seal ring, and FIG. 3 is a sectional view of a main part of a conventional device. A...Nuclear fuel rod, B...Welding chamber, 2...
...First seal ring, 6...Second seal ring, 10...
First cylindrical body, 11... Cylinder outer circumferential wall, 12... Cylinder inner circumferential wall, 14... Cylinder chamber, 20... Second cylindrical body, 24... Cylinder chamber, 30...
Backup ring, 40...first piston member, 5
0...Second piston member.
Claims (1)
が進退自在とされたものにおいて、前記チヤンバ
壁外面に固定され前記燃料棒を間隙を存して貫通
させ、円筒内周壁およびそれと同心の円筒外周壁
を有する２重円筒体と、該２重円筒体と同心で前
記円筒内周壁の先端に間隙を存して対向する円筒
部および前記円筒外周壁の先端面に固定されるフ
ランジ部を持つバツクアツプ環と、前記円筒外周
壁と内周壁および前記バツクアツプ環の円筒部と
の間に残された空間内で軸方向に摺動可能なピス
トン部材と、該ピストン部材に把持され内周縁側
面が前記円筒内周壁とバツクアツプ環の円筒部と
の間隙に挾まれた皿ばね状のシール環とを具備し
、前記ピストン部材の受圧面に対し作動流体が働
いて該ピストン部材が軸方向に往復動し、前記シ
ール環の内周縁が前記間隙間を進退自在とされた
ことを特徴とする原子燃料棒溶接装置のシール装
置。 In a welding chamber in which a nuclear fuel rod can freely advance and retreat by penetrating the wall thereof, the fuel rod is fixed to the outer surface of the chamber wall and passes through the welding chamber with a gap, and the cylindrical inner peripheral wall and the cylindrical outer periphery concentric therewith A back-up comprising a double cylindrical body having a wall, a cylindrical part concentric with the double cylindrical body and facing the tip of the inner peripheral wall of the cylinder with a gap, and a flange part fixed to the front end surface of the outer peripheral wall of the cylinder. a ring, a piston member that is slidable in the axial direction within a space left between the cylindrical outer circumferential wall, the inner circumferential wall, and the cylindrical portion of the backup ring; a seal ring in the form of a disc spring, which is held in a gap between an inner circumferential wall and a cylindrical portion of a back-up ring, and a working fluid acts on a pressure receiving surface of the piston member to cause the piston member to reciprocate in the axial direction; A sealing device for a nuclear fuel rod welding device, characterized in that an inner circumferential edge of the seal ring can freely move forward and backward through the gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987033635U JPH0617118Y2 (en) | 1987-03-06 | 1987-03-06 | Sealing device for nuclear fuel rod welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987033635U JPH0617118Y2 (en) | 1987-03-06 | 1987-03-06 | Sealing device for nuclear fuel rod welding equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63141495U true JPS63141495U (en) | 1988-09-19 |
| JPH0617118Y2 JPH0617118Y2 (en) | 1994-05-02 |
Family
ID=30841425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987033635U Expired - Lifetime JPH0617118Y2 (en) | 1987-03-06 | 1987-03-06 | Sealing device for nuclear fuel rod welding equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0617118Y2 (en) |
-
1987
- 1987-03-06 JP JP1987033635U patent/JPH0617118Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0617118Y2 (en) | 1994-05-02 |