JPH01145901U - - Google Patents
Info
- Publication number
- JPH01145901U JPH01145901U JP4108988U JP4108988U JPH01145901U JP H01145901 U JPH01145901 U JP H01145901U JP 4108988 U JP4108988 U JP 4108988U JP 4108988 U JP4108988 U JP 4108988U JP H01145901 U JPH01145901 U JP H01145901U
- Authority
- JP
- Japan
- Prior art keywords
- teeth
- rotary machine
- machine blade
- rotor
- christmas tree
- 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 4
- 241000191291 Abies alba Species 0.000 description 1
Description
第１図は本考案の一実施例を示す図、第２図は
第１図の部の拡大図、第３図は同実施例におけ
る応力の流れを示す図、第４図は従来のクリスマ
スツリー型翼根構造を示す図、第５図は第４図の
部の拡大図、第６図は第５図の構造における応
力の流れを示す図である。
１……回転翼、２……歯、３……ロータ、４…
…逃げ溝。
Fig. 1 is a diagram showing an embodiment of the present invention, Fig. 2 is an enlarged view of the part shown in Fig. 1, Fig. 3 is a diagram showing the flow of stress in the same embodiment, and Fig. 4 is a diagram of a conventional Christmas tree. FIG. 5 is an enlarged view of the portion shown in FIG. 4, and FIG. 6 is a diagram showing the flow of stress in the structure of FIG. 5. 1... Rotating blade, 2... Teeth, 3... Rotor, 4...
...Escape groove.
Claims (1)
翼固定部において、上記歯とロータとの接触面の
端部に逃げ溝を設けたことを特徴とする回転機翼
翼根構造。 A rotary machine blade root structure, characterized in that a Christmas tree-shaped rotary machine blade fixed part having multiple stages of teeth has an escape groove provided at the end of the contact surface between the teeth and the rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4108988U JPH01145901U (en) | 1988-03-30 | 1988-03-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4108988U JPH01145901U (en) | 1988-03-30 | 1988-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01145901U true JPH01145901U (en) | 1989-10-06 |
Family
ID=31267540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4108988U Pending JPH01145901U (en) | 1988-03-30 | 1988-03-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01145901U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000034903A (en) * | 1998-07-17 | 2000-02-02 | Mitsubishi Heavy Ind Ltd | Rotor mounting structure of turbine moving blade |
| JP2000154702A (en) * | 1998-09-28 | 2000-06-06 | General Electric Co <Ge> | Stress relaxation dovetail |
| KR20190057922A (en) * | 2017-11-21 | 2019-05-29 | 두산중공업 주식회사 | Mounting structure of bucket and steamturbine having the same |
-
1988
- 1988-03-30 JP JP4108988U patent/JPH01145901U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000034903A (en) * | 1998-07-17 | 2000-02-02 | Mitsubishi Heavy Ind Ltd | Rotor mounting structure of turbine moving blade |
| JP2000154702A (en) * | 1998-09-28 | 2000-06-06 | General Electric Co <Ge> | Stress relaxation dovetail |
| KR20190057922A (en) * | 2017-11-21 | 2019-05-29 | 두산중공업 주식회사 | Mounting structure of bucket and steamturbine having the same |