JPH03127002U - - Google Patents
Info
- Publication number
- JPH03127002U JPH03127002U JP3653290U JP3653290U JPH03127002U JP H03127002 U JPH03127002 U JP H03127002U JP 3653290 U JP3653290 U JP 3653290U JP 3653290 U JP3653290 U JP 3653290U JP H03127002 U JPH03127002 U JP H03127002U
- Authority
- JP
- Japan
- Prior art keywords
- shroud
- turbine rotor
- circumferential surface
- recessing
- rotor blades
- 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
Description
第１図は本考案に係るタービン動翼サポート構
造の一実施例を示す概略平面図、第２図は第１図
の−線断面図、第３図は第１図の−線断
面図、第４図は第１図の−線断面図、第５図
は従来のタービン動翼のサポート構造を示す概略
平面図、第６図は第５図の−線断面図であつ
て、ａはテノン部をかしめるときの加工状態示す
断面図、ｂはテノン部をかしめた後の成形状態を
示す断面図である。
１１……動翼、１２……翼群頭部、１３……シ
ユラウド、１４……テノン、１５……テノン孔、
１６……動翼間部位、１７……幅狭部、１８……
内周面、１９……外周面、２０……肉薄部、２１
……シールフイン溝、２２……タービンケーシン
グ、２３……蒸気シールフイン。
FIG. 1 is a schematic plan view showing an embodiment of a turbine rotor blade support structure according to the present invention, FIG. 2 is a sectional view taken along the line -- in FIG. 1, and FIG. 4 is a cross-sectional view taken along the - line in FIG. 1, FIG. 5 is a schematic plan view showing the support structure of a conventional turbine rotor blade, and FIG. 6 is a cross-sectional view taken along the - line in FIG. b is a cross-sectional view showing the processing state when caulking the tenon part, and b is a cross-sectional view showing the forming state after the tenon part is caulked. 11... Moving blade, 12... Wing group head, 13... Shroud, 14... Tenon, 15... Tenon hole,
16... Part between rotor blades, 17... Narrow part, 18...
Inner circumferential surface, 19... Outer circumferential surface, 20... Thin wall portion, 21
...Seal fin groove, 22...Turbine casing, 23...Steam seal fin.
Claims (1)
て一体サポートするタービン動翼のシユラウド構
造において、前記シユラウドの動翼間部位に両側
縁を窪ませてなる幅狭部を形成するとともに、同
部位に内周面および外周面を窪ませてなる肉薄部
を形成したことを特徴とするタービン動翼のシユ
ラウド構造。 In a shroud structure of a turbine rotor blade that integrally supports the blade group heads of a plurality of turbine rotor blades with a shroud, a narrow portion is formed by recessing both side edges in the region between the rotor blades of the shroud, and A shroud structure for a turbine rotor blade, characterized in that a thin wall portion is formed by recessing an inner circumferential surface and an outer circumferential surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3653290U JPH03127002U (en) | 1990-04-06 | 1990-04-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3653290U JPH03127002U (en) | 1990-04-06 | 1990-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03127002U true JPH03127002U (en) | 1991-12-20 |
Family
ID=31542844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3653290U Pending JPH03127002U (en) | 1990-04-06 | 1990-04-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03127002U (en) |
-
1990
- 1990-04-06 JP JP3653290U patent/JPH03127002U/ja active Pending