JPS6255736U - - Google Patents
Info
- Publication number
- JPS6255736U JPS6255736U JP14564685U JP14564685U JPS6255736U JP S6255736 U JPS6255736 U JP S6255736U JP 14564685 U JP14564685 U JP 14564685U JP 14564685 U JP14564685 U JP 14564685U JP S6255736 U JPS6255736 U JP S6255736U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- diameter portion
- ceramic
- metal
- large diameter
- 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
- 239000002184 metal Substances 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims 7
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 238000005219 brazing Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 1
Landscapes
- Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
- Ceramic Products (AREA)
Description
第１図は本考案の結合軸構造の一実施例を示す
線図、第２図は従来のタービンロータの一実施例
を示す線図である。
１……タービンロータ、２……軸部、３……太
径部、４……細径部、５……金属製回転軸、６…
…孔、７……金属スリーブ、８……シールリング
溝、９……オイルスリンガー、１０……空隙。
FIG. 1 is a diagram showing an embodiment of the joint shaft structure of the present invention, and FIG. 2 is a diagram showing an embodiment of a conventional turbine rotor. DESCRIPTION OF SYMBOLS 1... Turbine rotor, 2... Shaft part, 3... Large diameter part, 4... Small diameter part, 5... Metal rotating shaft, 6...
... hole, 7 ... metal sleeve, 8 ... seal ring groove, 9 ... oil slinger, 10 ... void.
Claims (1)
ツク軸部を設け、この軸部とコンプレツサインペ
ラーの金属製回転軸部とを該金属製軸部と一体に
形成された金属スリーブにより結合した構造にお
いて、 前記金属軸スリーブに囲繞されたセラミツク軸
部をタービンロータ近傍の太径部と他端の細径部
より構成して、前記セラミツク軸部と金属スリー
ブとを結合するにあたり、前記太径部と細径部の
２段で締めると共に、太径部の締め付け力を細径
部の締め付け力と比較して同等もしくはそれ以上
とすることを特徴とする結合軸構造。 ２ 前記セラミツク軸部と金属スリーブとの結合
が、焼きばめ、圧入、接着剤による接合、ろう材
による接合あるいはこれらの組合せのいずれかよ
りなる実用新案登録請求の範囲第１項記載の結合
軸構造。 ３ 前記太径部の直径が細径部の直径の少なくと
も１．２倍以上２倍未満である実用新案登録請求
の範囲第１項記載の結合軸構造。 ４ 前記セラミツク軸部の太径部と細径部の境界
部分において、セラミツク軸部と周囲の金属スリ
ーブとの間に空隙を設けてなる実用新案登録請求
の範囲第１項記載の結合軸構造。[Claims for Utility Model Registration] 1. A ceramic shaft is provided integrally with a ceramic turbine rotor, and this shaft and a metal rotating shaft of a compressed impeller are connected to a metal sleeve integrally formed with the metal shaft. In the structure in which the ceramic shaft surrounded by the metal shaft sleeve is composed of a large diameter part near the turbine rotor and a small diameter part at the other end, in joining the ceramic shaft and the metal sleeve, A joint shaft structure characterized in that the joint shaft is tightened in two stages, the large diameter portion and the small diameter portion, and the tightening force of the large diameter portion is equal to or greater than the tightening force of the small diameter portion. 2. The joint shaft according to claim 1, wherein the ceramic shaft portion and the metal sleeve are joined by shrink fitting, press-fitting, adhesive bonding, brazing material bonding, or a combination thereof. structure. 3. The joint shaft structure according to claim 1, wherein the diameter of the large diameter portion is at least 1.2 times and less than 2 times the diameter of the small diameter portion. 4. The joint shaft structure according to claim 1, wherein a gap is provided between the ceramic shaft portion and the surrounding metal sleeve at the boundary between the large diameter portion and the narrow diameter portion of the ceramic shaft portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14564685U JPS6255736U (en) | 1985-09-26 | 1985-09-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14564685U JPS6255736U (en) | 1985-09-26 | 1985-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6255736U true JPS6255736U (en) | 1987-04-07 |
Family
ID=31057378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14564685U Pending JPS6255736U (en) | 1985-09-26 | 1985-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6255736U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5855262U (en) * | 1981-10-09 | 1983-04-14 | 株式会社神戸製鋼所 | liquid dispensing device |
-
1985
- 1985-09-26 JP JP14564685U patent/JPS6255736U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5855262U (en) * | 1981-10-09 | 1983-04-14 | 株式会社神戸製鋼所 | liquid dispensing device |