JP4646159B2 - ロータにおける動翼の軸方向固定装置とその利用方法 - Google Patents
ロータにおける動翼の軸方向固定装置とその利用方法 Download PDFInfo
- Publication number
- JP4646159B2 JP4646159B2 JP2008529583A JP2008529583A JP4646159B2 JP 4646159 B2 JP4646159 B2 JP 4646159B2 JP 2008529583 A JP2008529583 A JP 2008529583A JP 2008529583 A JP2008529583 A JP 2008529583A JP 4646159 B2 JP4646159 B2 JP 4646159B2
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- Prior art keywords
- blade
- sealing element
- rotor
- leg
- groove
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 5
- 238000007789 sealing Methods 0.000 claims description 77
- 229910000831 Steel Inorganic materials 0.000 claims description 42
- 239000010959 steel Substances 0.000 claims description 42
- 238000006073 displacement reaction Methods 0.000 claims description 23
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 8
- 238000005452 bending Methods 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
- F01D5/3015—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type with side plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/70—Shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/30—Retaining components in desired mutual position
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Gasket Seals (AREA)
Description
Claims (10)
- ロータ(23)の軸カラー(21)の外周(52)にロータ(23)の軸方向に延びる多数の動翼取付け溝(12)が設けられ、各動翼取付け溝(12)内に各々動翼取付け溝(12)に対応して形成された翼脚(54)が配置され、軸カラー(21)の端面側側面(56)において動翼取付け溝(12)の箇所に突出部(58)が配置され、該突出部(58)に半径方向外向きに開いた周溝(20)が設けられ、動翼(14)を軸方向に固定すべく周溝(20)に各々係合する複数の板状シール要素(42)が設けられ、全シール要素(42)が円周方向(U)において1個の端面側シールリングを形成し、シール要素(42)を円周方向(U)における変位に対して固定すべく少なくとも1個のシール要素(42)が該シール要素(42)に固定された帯鋼部片(60)を有するロータ(23)における動翼(14)の軸方向固定装置(10)において、
帯鋼部片(60)が伸張方向に沿ってL形に形成され、帯鋼部片(60)の円周方向(U)に延びる第1脚(62)がシール要素(42)に固定され、半径方向内側に延びる第2脚(64)が、軸カラー(21)の箇所に設けられた固定ポケット(66)に係合することを特徴とするロータ(23)における動翼(14)の軸方向固定装置。 - 少なくとも各々第2のシール要素(42)が、該シール要素(42)を円周方向(U)における変位に対し固定すべく前記帯鋼部片と同じ構造の帯鋼部片(60)を有し、該帯鋼部片(60)が、軸カラー(21)の側面(56)に設けられた固定ポケット(66)に係合することを特徴とする請求項1記載の装置。
- 帯鋼部片(60)の第2脚(64)の側面箇所が、固定ポケット(66)の半径方向に延びる側壁に接することを特徴とする請求項1又は2記載の装置。
- 固定ポケット(66)が、突出部(58)に相互に間隔を隔てて配置された2個の歯(68)により形成されたことを特徴とする請求項1から3の1つに記載の装置。
- 端面側の周溝(20)が、動翼取付け溝(12)に関して半径方向内側に配置されたことを特徴とする請求項1から4の1つに記載の装置。
- 各動翼(14)の翼台座(28)の下側面(26)に、シール要素(42)が係合する保持溝(24)が設けられたことを特徴とする請求項5記載の装置。
- 軸カラー(21)がタービン円板(19)により形成されたことを特徴とする請求項1から6の1つに記載の装置。
- 端面側周溝(20)が半径方向において動翼取付け溝(12)の高さに配置され、そのもっと半径方向内側に、半径方向外向きに開いた溝(70)が設けられ、シール要素(42)が前記両溝(20、70)にはめ込まれ、動翼脚の端面に接することを特徴とする請求項1から4の1つに記載の装置。
- 請求項1から8の1つに記載の装置(10)に対する帯鋼部片(60)が固定できる板状シール要素(42)において、
帯鋼部片(60)が伸張方向に沿ってL形に形成され、帯鋼部片(60)の円周方向(U)に延びる第1脚(62)がシール要素(42)に取り付けられ、半径方向内側に延びる第2脚(64)が固定ポケット(66)に係合し、該固定ポケット(66)が軸カラー(21)の側面(56)に設けられたことを特徴とする板状シール要素。 - 軸流ガスタービンの動翼(14)を固定するために利用することを特徴とする請求項1から8の1つに記載の装置(10)又は請求項9に記載のシール要素の利用方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005042597 | 2005-09-07 | ||
PCT/EP2006/065512 WO2007028703A1 (de) | 2005-09-07 | 2006-08-21 | Anordnung zur axialsicherung von laufschaufeln in einem rotor sowie verwendung |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009507176A JP2009507176A (ja) | 2009-02-19 |
JP4646159B2 true JP4646159B2 (ja) | 2011-03-09 |
Family
ID=37309039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008529583A Expired - Fee Related JP4646159B2 (ja) | 2005-09-07 | 2006-08-21 | ロータにおける動翼の軸方向固定装置とその利用方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8105041B2 (ja) |
EP (1) | EP1922471A1 (ja) |
JP (1) | JP4646159B2 (ja) |
CN (1) | CN101258305B (ja) |
RU (1) | RU2413073C2 (ja) |
WO (1) | WO2007028703A1 (ja) |
Families Citing this family (37)
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EP2088287A1 (de) * | 2008-02-08 | 2009-08-12 | Siemens Aktiengesellschaft | Anordnung zur Axialsicherung von Laufschaufeln in einem Rotor einer Gasturbine |
DE102008013118B4 (de) * | 2008-03-07 | 2014-03-27 | Man Diesel & Turbo Se | Anordnung zum Befestigen von Turbinenschaufeln |
EP2146055B2 (en) † | 2008-07-17 | 2022-01-19 | Ansaldo Energia S.P.A. | Sealing element for a gas turbine, a gas turbine including said sealing element and method for cooling said sealing element |
FR2939832B1 (fr) * | 2008-12-11 | 2011-01-07 | Turbomeca | Roue de turbine equipee d'un dispositif de retenue axiale verrouillant des pales par rapport a un disque. |
EP2239419A1 (de) | 2009-03-31 | 2010-10-13 | Siemens Aktiengesellschaft | Axialturbomaschinenrotor mit Dichtscheibe |
EP2386721A1 (de) * | 2010-05-14 | 2011-11-16 | Siemens Aktiengesellschaft | Befestigungsanordnung für Schaufeln von axial durchströmbaren Turbomaschinen sowie Verfahren zum Herstellen einer solchen |
US8550785B2 (en) | 2010-06-11 | 2013-10-08 | Siemens Energy, Inc. | Wire seal for metering of turbine blade cooling fluids |
US9109457B2 (en) | 2010-09-03 | 2015-08-18 | Siemens Energy, Inc. | Axial locking seals for aft removable turbine blade |
US9217334B2 (en) | 2011-10-26 | 2015-12-22 | General Electric Company | Turbine cover plate assembly |
US9051845B2 (en) * | 2012-01-05 | 2015-06-09 | General Electric Company | System for axial retention of rotating segments of a turbine |
US9890648B2 (en) | 2012-01-05 | 2018-02-13 | General Electric Company | Turbine rotor rim seal axial retention assembly |
JP5675674B2 (ja) * | 2012-02-29 | 2015-02-25 | 三菱重工業株式会社 | タービン動翼の抜け止め構造およびこれを備えた回転機械 |
US9181810B2 (en) * | 2012-04-16 | 2015-11-10 | General Electric Company | System and method for covering a blade mounting region of turbine blades |
DE102012215885A1 (de) | 2012-09-07 | 2014-03-13 | Siemens Aktiengesellschaft | Mobile Vorrichtung zum Biegen eines U-förmigen Sicherungsblechs |
EP2964894B1 (en) | 2013-03-05 | 2019-04-10 | Rolls-Royce North American Technologies, Inc. | Turbine segmented cover plate retention method |
GB2511584B (en) | 2013-05-31 | 2015-03-11 | Rolls Royce Plc | A lock plate |
EP2873807A1 (de) | 2013-11-18 | 2015-05-20 | Siemens Aktiengesellschaft | Abdeckplatte, Laufschaufel, Radscheibe, Bolzen und Gasturbine |
FR3021691B1 (fr) * | 2014-06-03 | 2016-06-24 | Snecma | Rotor pour turbomachine comportant des aubes a plates-formes raportees |
FR3022944B1 (fr) * | 2014-06-26 | 2020-02-14 | Safran Aircraft Engines | Ensemble rotatif pour turbomachine |
FR3026429B1 (fr) * | 2014-09-30 | 2016-12-09 | Snecma | Aube mobile de turbomachine, comprenant un ergot engageant une entaille de blocage d'un disque de rotor |
CN104696021B (zh) * | 2015-02-27 | 2016-09-28 | 北京全四维动力科技有限公司 | 汽轮机动叶片锁口装置和方法、采用其的叶片及汽轮机 |
EP3141698A1 (en) * | 2015-09-10 | 2017-03-15 | Siemens Aktiengesellschaft | Arrangement for a gas turbine |
US10047865B2 (en) | 2015-12-07 | 2018-08-14 | General Electric Company | Steam turbine rotor seal radial key member, related assembly and steam turbine |
US10036270B2 (en) | 2015-12-07 | 2018-07-31 | General Electric Company | Steam turbine rotor seal key member, related assembly and steam turbine |
US10087768B2 (en) | 2015-12-07 | 2018-10-02 | General Electric Company | Steam turbine rotor seal key member, related assembly and steam turbine |
US10036268B2 (en) * | 2015-12-07 | 2018-07-31 | General Electric Company | Steam turbine rotor seal sliding key member, related assembly and steam turbine |
DE102016107315A1 (de) | 2016-04-20 | 2017-10-26 | Rolls-Royce Deutschland Ltd & Co Kg | Rotor mit Überhang an Laufschaufeln für ein Sicherungselement |
CN106625337B (zh) * | 2016-12-28 | 2018-07-06 | 无锡透平叶片有限公司 | 汽轮机t形叶根叶片型面检测的叶根定位机构 |
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DE102017214062A1 (de) * | 2017-08-11 | 2019-02-14 | Siemens Aktiengesellschaft | Rotor mit mittels Dichtelemente axial fixierten Laufschaufeln |
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EP3521561A1 (de) | 2018-02-02 | 2019-08-07 | Siemens Aktiengesellschaft | Rotor mit dichtelement und dichtring |
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KR102134812B1 (ko) * | 2018-08-17 | 2020-07-16 | 두산중공업 주식회사 | 터빈, 이를 포함하는 가스 터빈, 터빈의 조립 방법, 및 터빈의 분해 방법 |
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-
2006
- 2006-08-21 RU RU2008113196/06A patent/RU2413073C2/ru not_active IP Right Cessation
- 2006-08-21 US US11/991,439 patent/US8105041B2/en not_active Expired - Fee Related
- 2006-08-21 CN CN200680032679.6A patent/CN101258305B/zh not_active Expired - Fee Related
- 2006-08-21 JP JP2008529583A patent/JP4646159B2/ja not_active Expired - Fee Related
- 2006-08-21 EP EP06778300A patent/EP1922471A1/de not_active Withdrawn
- 2006-08-21 WO PCT/EP2006/065512 patent/WO2007028703A1/de active Application Filing
Also Published As
Publication number | Publication date |
---|---|
RU2413073C2 (ru) | 2011-02-27 |
CN101258305A (zh) | 2008-09-03 |
CN101258305B (zh) | 2011-06-15 |
US20090116965A1 (en) | 2009-05-07 |
EP1922471A1 (de) | 2008-05-21 |
WO2007028703A1 (de) | 2007-03-15 |
US8105041B2 (en) | 2012-01-31 |
JP2009507176A (ja) | 2009-02-19 |
RU2008113196A (ru) | 2009-10-20 |
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