JPH0259201U - - Google Patents
Info
- Publication number
- JPH0259201U JPH0259201U JP13774388U JP13774388U JPH0259201U JP H0259201 U JPH0259201 U JP H0259201U JP 13774388 U JP13774388 U JP 13774388U JP 13774388 U JP13774388 U JP 13774388U JP H0259201 U JPH0259201 U JP H0259201U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- inspection
- steam turbine
- turbine rotor
- sealed
- 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
- 238000007689 inspection Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案による蒸気タービンロータ検査
用穴の封止装置を説明するための図、第２図はそ
の封止に使用されるプラグの一例を示す断面図、
第３図は第２図の―線矢視図、第４図は第２
図の―線矢視図である。
１……蒸気タービンロータ、２……検査用穴、
３……プラグ、３１……プラグ本体、３２……外
周部、３３……中心穴、３４……テーパ面、３５
……止めねじ、３６……ねじ切り部分。
FIG. 1 is a diagram for explaining a sealing device for a steam turbine rotor inspection hole according to the present invention, and FIG. 2 is a sectional view showing an example of a plug used for the sealing.
Figure 3 is a view from the - line arrow of Figure 2, Figure 4 is a view of Figure 2.
FIG. 1... Steam turbine rotor, 2... Inspection hole,
3... Plug, 31... Plug body, 32... Outer periphery, 33... Center hole, 34... Tapered surface, 35
... Set screw, 36 ... Threaded part.
Claims (1)
査用穴の端部を封止して、この検査用穴の内部を
気密状態に保持するプラグを取付け、このプラグ
により封止した検査用穴の内部を真空若しくは不
活性ガス雰囲気の気密状態としたことを特徴とす
る蒸気タービンロータ検査用穴の封止装置。 The end of the inspection hole drilled in the axial center of the steam turbine rotor is sealed, and a plug is installed to keep the inside of the inspection hole airtight. A device for sealing a hole for inspection of a steam turbine rotor, characterized in that the hole is sealed in a vacuum or an inert gas atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13774388U JPH0259201U (en) | 1988-10-24 | 1988-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13774388U JPH0259201U (en) | 1988-10-24 | 1988-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0259201U true JPH0259201U (en) | 1990-04-27 |
Family
ID=31399442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13774388U Pending JPH0259201U (en) | 1988-10-24 | 1988-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0259201U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014238085A (en) * | 2013-06-11 | 2014-12-18 | 三菱日立パワーシステムズ株式会社 | Turbine rotor, steam turbine using the same, and turbine rotor manufacturing method |
-
1988
- 1988-10-24 JP JP13774388U patent/JPH0259201U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014238085A (en) * | 2013-06-11 | 2014-12-18 | 三菱日立パワーシステムズ株式会社 | Turbine rotor, steam turbine using the same, and turbine rotor manufacturing method |