JPS6194206U - - Google Patents
Info
- Publication number
- JPS6194206U JPS6194206U JP17927084U JP17927084U JPS6194206U JP S6194206 U JPS6194206 U JP S6194206U JP 17927084 U JP17927084 U JP 17927084U JP 17927084 U JP17927084 U JP 17927084U JP S6194206 U JPS6194206 U JP S6194206U
- Authority
- JP
- Japan
- Prior art keywords
- annular plate
- rotor
- rotor blade
- tip
- turbine
- 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
- 238000007789 sealing Methods 0.000 claims description 3
Description
第１図は本考案に係るタービン動翼先端シール
装置の実施例を示す断面図、第２図は第１図の動
翼および環状プレート間の間隙の変化を示すグラ
フ、第３図は本考案の他の実施例を示す断面図、
第４図は従来のタービン動翼先端シール装置を示
す断面図、第５図は第４図の動翼および環状プレ
ート間の間隙の変化を示すグラフである。
１……タービンケーシング、２……タービンロ
ータ、３……動翼、４……ダイヤフラム、５……
外輪、６……内輪、７……静翼、８……ラジアル
スピルストリツパ、９……ラビリンスパツキン、
１１……環状プレート、１３……ねじ軸、１４…
…回転駆動装置、１５……間隙調節機構、１７…
…間隙センサ、１８……測定器。
Fig. 1 is a sectional view showing an embodiment of the turbine rotor blade tip seal device according to the present invention, Fig. 2 is a graph showing changes in the gap between the rotor blade and the annular plate in Fig. 1, and Fig. 3 is the present invention. A sectional view showing another embodiment of
FIG. 4 is a sectional view showing a conventional turbine rotor blade tip sealing device, and FIG. 5 is a graph showing changes in the gap between the rotor blade and the annular plate in FIG. 4. 1... Turbine casing, 2... Turbine rotor, 3... Moving blade, 4... Diaphragm, 5...
Outer ring, 6... Inner ring, 7... Stationary blade, 8... Radial spill stripper, 9... Labyrinth patchkin,
11... Annular plate, 13... Screw shaft, 14...
...Rotary drive device, 15... Gap adjustment mechanism, 17...
... Gap sensor, 18... Measuring device.
Claims (1)
ロータの軸線に対し傾斜する円錐台面に形成する
とともに、このタービン動翼の先端面に対向する
ようにタービンケーシングに環状プレートを設け
てこの環状プレートの内周面を前記動翼と平行を
なすように円錐台面に形成し、前記環状プレート
をロータの軸線方向に移動して動翼の先端面およ
び環状プレートの内周面間の間隙を調節する間隙
調節機構を設けたことを特徴とするタービン動翼
先端シール装置。 ２ 前記間隙調節機構は、前記環状プレートを支
持するねじ軸およびこのねじ軸の回転駆動装置に
より構成されている実用新案登録請求の範囲第１
項記載のタービン動翼先端シール装置。[Claims for Utility Model Registration] 1. The tip surfaces of the rotor blades arranged in rows on the turbine rotor are formed into truncated conical surfaces inclined with respect to the axis of the rotor, and the turbine casing is provided so as to face the tip surfaces of the turbine rotor blades. An annular plate is provided at the rotor, the inner circumferential surface of the annular plate is formed into a truncated conical surface parallel to the rotor blade, and the annular plate is moved in the axial direction of the rotor to form the tip surface of the rotor blade and the annular plate. A turbine rotor blade tip sealing device characterized by being provided with a gap adjustment mechanism for adjusting a gap between inner circumferential surfaces. 2. The gap adjustment mechanism is constituted by a screw shaft that supports the annular plate and a rotational drive device for the screw shaft.
The turbine rotor blade tip sealing device described in .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17927084U JPS6194206U (en) | 1984-11-28 | 1984-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17927084U JPS6194206U (en) | 1984-11-28 | 1984-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6194206U true JPS6194206U (en) | 1986-06-18 |
Family
ID=30736827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17927084U Pending JPS6194206U (en) | 1984-11-28 | 1984-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6194206U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11148308A (en) * | 1997-09-19 | 1999-06-02 | Asea Brown Boveri Ag | Shroud band for axial-flow turbine |
| JP2011196377A (en) * | 2010-03-22 | 2011-10-06 | General Electric Co <Ge> | Active tip clearance control for shrouded gas turbine blade and related method |
-
1984
- 1984-11-28 JP JP17927084U patent/JPS6194206U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11148308A (en) * | 1997-09-19 | 1999-06-02 | Asea Brown Boveri Ag | Shroud band for axial-flow turbine |
| JP2011196377A (en) * | 2010-03-22 | 2011-10-06 | General Electric Co <Ge> | Active tip clearance control for shrouded gas turbine blade and related method |
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