JPS6354803U - - Google Patents
Info
- Publication number
- JPS6354803U JPS6354803U JP14771986U JP14771986U JPS6354803U JP S6354803 U JPS6354803 U JP S6354803U JP 14771986 U JP14771986 U JP 14771986U JP 14771986 U JP14771986 U JP 14771986U JP S6354803 U JPS6354803 U JP S6354803U
- Authority
- JP
- Japan
- Prior art keywords
- blade
- rotor
- blade root
- turbomachine
- root
- 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
Description
第１図は、本考案の一実施例のターボ機械のブ
レード取付構造の断面図及び接触面での面圧分布
図、第２図は、従来のターボ機械のブレード取付
構造の断面図及び接触面での面圧分布図、第３図
は、接触面圧とフレツテイング疲労強度の関係の
実験結果を示すグラフ、第４図は、本考案にブレ
ード取付構造の他の実施例の断面図である。
１…ブレード、２…ダブテール、３…ホイール
、４…接触面、５…接触端部、６…スリツト。
Fig. 1 is a sectional view of a blade mounting structure of a turbomachine according to an embodiment of the present invention and a surface pressure distribution diagram on the contact surface, and Fig. 2 is a sectional view of a conventional turbomachine blade mounting structure and a contact surface. FIG. 3 is a graph showing the experimental results of the relationship between contact surface pressure and fretting fatigue strength, and FIG. 4 is a sectional view of another embodiment of the blade attachment structure of the present invention. DESCRIPTION OF SYMBOLS 1...Blade, 2...Dovetail, 3...Wheel, 4...Contact surface, 5...Contact end, 6...Slit.
Claims (1)
のブレード根元部を回転子に設けたブレード固定
用溝内に嵌め込むことによりブレードを回転子に
取付固定するターボ機械の回転子構造において、
ブレード根元部下部接触端近傍に、このブレード
根元部の長手方向にのびるスリツトを設けたこと
を特徴とするターボ機械のブレード取付構造。 In the rotor structure of a turbomachine, the blade is attached and fixed to the rotor by having a dovetail-shaped cross section of the blade root and fitting the blade root into a blade fixing groove provided in the rotor.
A blade mounting structure for a turbomachine, characterized in that a slit extending in the longitudinal direction of the blade root is provided near the lower contact end of the blade root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14771986U JPS6354803U (en) | 1986-09-29 | 1986-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14771986U JPS6354803U (en) | 1986-09-29 | 1986-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6354803U true JPS6354803U (en) | 1988-04-13 |
Family
ID=31061338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14771986U Pending JPS6354803U (en) | 1986-09-29 | 1986-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6354803U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010249073A (en) * | 2009-04-17 | 2010-11-04 | Hitachi Ltd | Turbine rotor, turbine moving blade coupling structure, steam turbine, and power generation facility |
-
1986
- 1986-09-29 JP JP14771986U patent/JPS6354803U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010249073A (en) * | 2009-04-17 | 2010-11-04 | Hitachi Ltd | Turbine rotor, turbine moving blade coupling structure, steam turbine, and power generation facility |