JPS63138405U - - Google Patents
Info
- Publication number
- JPS63138405U JPS63138405U JP2990787U JP2990787U JPS63138405U JP S63138405 U JPS63138405 U JP S63138405U JP 2990787 U JP2990787 U JP 2990787U JP 2990787 U JP2990787 U JP 2990787U JP S63138405 U JPS63138405 U JP S63138405U
- Authority
- JP
- Japan
- Prior art keywords
- thread
- enlarged
- female thread
- bolt
- deteriorated
- 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
- 238000010586 diagram Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Connection Of Plates (AREA)
Description
第１図は本考案による車室の締結構造の１実施
例の拡大縦断面図、第２図はこの構造が数個並設
されている状況を示す縦断面図、第３図は本考案
を環翼に実施した変形例の断面図、第４図および
第５図は本考案実施以前の締結部を示す断面図、
第６図は従来の異径植込ボルトを使用する例を示
す断面図、第７図および第８図は従来のものの欠
点を説明する図である。
１……植込みボルト、１ａ……異径植込みボル
ト、１ｂ……植込側ねじ、１ｃ……ナツト側ねじ
、２……六角穴付ボルト、２ａ……異径六角穴付
ボルト、３……袋ナツト、４……座金、５……車
室、５ａ……上部フランジ、５ｂ……上部フラン
ジばか穴、５ｃ……下部フランジ、６……ピース
、６ａ……溶接、７……翼環、８……拡大孔。
Fig. 1 is an enlarged longitudinal sectional view of one embodiment of the vehicle compartment fastening structure according to the present invention, Fig. 2 is a longitudinal sectional view showing a situation in which several of this structure are installed in parallel, and Fig. 3 is an enlarged longitudinal sectional view of an embodiment of the fastening structure of the vehicle compartment according to the present invention. A cross-sectional view of a modified example implemented on the ring blade, FIGS. 4 and 5 are cross-sectional views showing a fastening part before implementation of the present invention,
FIG. 6 is a sectional view showing an example of using a conventional stud bolt with a different diameter, and FIGS. 7 and 8 are diagrams illustrating the drawbacks of the conventional stud bolt. 1... Studded bolt, 1a... Different diameter stud bolt, 1b... Stud side screw, 1c... Nut side screw, 2... Hexagon socket head bolt, 2a... Different diameter hexagon socket head bolt, 3... Cap nut, 4... washer, 5... casing, 5a... upper flange, 5b... upper flange hole, 5c... lower flange, 6... piece, 6a... welding, 7... blade ring, 8... Enlarged hole.
Claims (1)
じを切つた拡大孔部と、この拡大孔と同寸法で前
記拡大めねじと係合するおねじ部を有すると共に
前記劣化しためねじ部の当初のめねじと同一のめ
ねじ部を内部に形成したピースと、この新たなめ
ねじ部に螺合するボルトとから成る、蒸気タービ
ン車室、翼環等のボルト締結部構造。 An enlarged hole portion formed by cutting an enlarged female thread formed by cutting a deteriorated female thread portion, and a male thread portion having the same dimensions as the enlarged hole and engaging with the enlarged female thread, and a male thread portion of the deteriorated female thread portion. Bolt fastening structure for steam turbine casings, blade rings, etc., consisting of a piece with an internal thread that is the same as the original thread, and a bolt that screws into this new thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2990787U JPS63138405U (en) | 1987-03-03 | 1987-03-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2990787U JPS63138405U (en) | 1987-03-03 | 1987-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63138405U true JPS63138405U (en) | 1988-09-12 |
Family
ID=30834221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2990787U Pending JPS63138405U (en) | 1987-03-03 | 1987-03-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63138405U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007040228A (en) * | 2005-08-04 | 2007-02-15 | Hitachi Ltd | Turbine exhaust system |
| JP2015042881A (en) * | 2013-08-26 | 2015-03-05 | 株式会社日立製作所 | Bolt fastening structure and turbomachine using the same |
-
1987
- 1987-03-03 JP JP2990787U patent/JPS63138405U/ja active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007040228A (en) * | 2005-08-04 | 2007-02-15 | Hitachi Ltd | Turbine exhaust system |
| JP4636965B2 (en) * | 2005-08-04 | 2011-02-23 | 株式会社日立製作所 | Turbine exhaust system |
| JP2015042881A (en) * | 2013-08-26 | 2015-03-05 | 株式会社日立製作所 | Bolt fastening structure and turbomachine using the same |
| WO2015029576A1 (en) * | 2013-08-26 | 2015-03-05 | 株式会社日立製作所 | Bolt-fastening structure and turbomachine using same |
| RU2624726C1 (en) * | 2013-08-26 | 2017-07-05 | Хитачи, Лтд. | Construction of the bolt mounting and turbomachinery with using this construction |
| RU2624726C9 (en) * | 2013-08-26 | 2018-05-21 | Хитачи, Лтд. | Bolt-fastening structure and turbo machine using the structure |