WO2012107248A1 - Verfahren zum abziehen eines lagerkörpers vom rotor einer gasturbine sowie rohrförmige wellenverlängerung - Google Patents
Verfahren zum abziehen eines lagerkörpers vom rotor einer gasturbine sowie rohrförmige wellenverlängerung Download PDFInfo
- Publication number
- WO2012107248A1 WO2012107248A1 PCT/EP2012/050125 EP2012050125W WO2012107248A1 WO 2012107248 A1 WO2012107248 A1 WO 2012107248A1 EP 2012050125 W EP2012050125 W EP 2012050125W WO 2012107248 A1 WO2012107248 A1 WO 2012107248A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rotor
- bearing body
- shaft extension
- gas turbine
- housing
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- RLQJEEJISHYWON-UHFFFAOYSA-N flonicamid Chemical compound FC(F)(F)C1=CC=NC=C1C(=O)NCC#N RLQJEEJISHYWON-UHFFFAOYSA-N 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
- F01D25/285—Temporary support structures, e.g. for testing, assembling, installing, repairing; Assembly methods using such structures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
-
- 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
- F05D2230/00—Manufacture
- F05D2230/70—Disassembly methods
-
- 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
- F05D2240/00—Components
- F05D2240/50—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/23—Gas turbine engines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/49318—Repairing or disassembling
Definitions
- the invention relates to a method for removing a bearing body from the rotor of a preferably stationary
- Gas turbine with a preferably half split housing with the housing closed Furthermore, the invention relates to a tubular shaft extension for parking a bearing body of a rotor of a preferably stationary gas turbine with a preferably half split housing.
- Stationary gas turbines have long been known from the extensive state of the art. Their rotors are usually mounted radially both at a compressor-side end and at a turbine-side end.
- the turbine-side radial bearing of gas turbines is located within the exhaust line of the gas turbine, mostly
- Turbine unit For storage in the exhaust line are usually in small numbers, i. four, five or six, radially extending bearing struts provided in the center of a bearing housing for the bearing body of the turbine side
- the object of the invention is therefore to provide a method which overcomes the aforementioned disadvantages.
- Another object of the invention is to provide a tool supporting the method. The object directed to the method is solved with the steps:
- a shaft extension is attached to the relevant end of the rotor. Subsequently, the relevant radial bearing is freed from the weight of the rotor by the rotor supported downward and / or held from above. By the liberation of the radial bearing of the radially acting weight forces of the rotor this is for the first time with radial clearance indirectly attached to the radial struts. Subsequently, the intended only for disassembly and assembly sliding between
- the bearing body can be moved to the shaft extension and parked there for the repair work to be carried out there.
- the bearing body In the parking position, the bearing body is secured against any further movement. He is freely accessible from all sides. The free accessibility of the bearing body
- the bearing body is undivided in the circumferential direction
- the one-piece design of the bearing body makes it particularly easy to move the bearing body along the shaft extension. Even when after the
- Shaft extension provided at least one axially extending guide which the tangential
- the guide is designed as a U-profile, on the outwardly facing web of the pin can slide along a particularly small gap.
- the two edges of the U-profile which lie on a larger radius than the web center, limit the movement of the pin in
- Profiles can of course also be an outside, perpendicular to the radius of the shaft extension attached flat profile used in an analogous manner. This is shallower and allows the application of the method even with bearing bodies with a relatively small inner diameter.
- the shaft extension is releasably secured to the respective end of the rotor.
- the shaft extension is screwed onto the rotor end.
- the shaft extension can be particularly easily aligned before screwing on the rotor when the
- roller block is mounted radially and tangentially movable. Accordingly, the roller block is positioned so that the
- Shaft extension can be screwed offset-free on the rotor. After completing the positioning, the Shaft extension, which is designed as a tube, rotated on the roller block while at the same time screwed onto the rotor. As a result, damage to the threads involved in the screw are reliably avoided.
- the bearing body at two axial positions by means of the sliding elements on the rotor and / or the latter
- Machine axis is located.
- the tubular extension for parking a bearing body of a rotor preferably one
- stationary gas turbine with a preferably half split housing at one end of an internal thread
- the wave extension related advantages correspond to the process advantages.
- FIG 2 shows the longitudinal partial section of FIG 1 with between
- FIG. 3 shows the longitudinal section of Figure 1 with a on a
- Shaft extension shifted bearing body, 4 shows an exhaust duct of a gas turbine in
- the gas turbine 14 has upstream of the turbine exhaust housing 11 a half divisible housing with a lower housing half and an upper housing half (not shown), the flange connected in a known manner and are screwed together by appropriate screwing.
- the turbine exhaust housing 11 of the gas turbine 14 is undivided and defines an exhaust passage 21.
- five radially extending bearing struts 15 (FIG 3, 4) are evenly distributed along the circumference, the radially inside a bearing housing collectively wear and hold.
- a bearing body 10 for radially supporting a rotor 12 of the gas turbine 14 is provided in the bearing housing.
- the rotor 12 is designed in disk construction with a tie rod 23 extending centrally through the disks.
- the tie rod 23 is also turbinenend pot provided with a thread 25 on which a shaft extension 18 can be screwed.
- Shaft extension 18 is introduced by means of a crane not shown through an access 27 for fitters in the exhaust passage 21 of the gas turbine 14 and then stored on a roller block 31. With the help of the roller block 31, which includes a pair of rollers, the Shaft extension 18 opposite the Switzerlandankerende 20 of
- Rotor 12 are positioned so that it can be screwed without offset on the end tie rod end 20. According to FIG 1, the shaft extension 18 is not yet on the
- Tension anchor end 20 screwed. After screwing on the shaft extension 18 (FIG. 2), it is secured against loosening with the aid of a lock nut 32.
- Turbine exhaust housing 11 of the gas turbine 14 supported, so that the bearing body 10 is released from the weight of the rotor 12.
- tensioning elements of the brand "Superbolt” are particularly suitable for this purpose: sliding elements 22 or even sliding shoes between the bearing body 10 and the rotor 12 or the sliding block are then simultaneously or subsequently
- Machine axis 24 can be moved.
- bearing shells 10 usually provided in the bearing shell in none of the shown here
- the bearing body 10 can be pushed along the machine axis 24 onto the shaft extension by axial movement, ie displacement, and parked there (FIGS. 3, 4). After the displacement on the shaft extension 18, the bearing body 10 is temporarily secured for the duration of the planned work. Sonach are repair work of a
- a working level 33 or working platform be mounted on which a fitter can perform the repair work.
- the tubular shaft extension 18 is shown in a cross section in FIG. 5 and in a side view in FIG.
- the extension 18 is equipped as a tube with an end arranged internal thread.
- the shaft extension 18 on its outer side 35 has two longitudinally extending guides 28.
- the guide 28 is designed as a U-profile, which is attached to the shaft extension 18 on the outside.
- the U-profile is attached to the shaft extension 18, that its flanks abut the outer surface and the web 30 extending between the flanks facing outward.
- the U-profile is one of two partners of one
- the required for forming the anti-rotation 26 second partner is shown in perspective in FIG.
- the second partner includes only one on the bearing body 10th
- the invention relates to a method for removing a bearing body 10 from the rotor 12 of a preferably
- stationary gas turbine 14 with a preferably half split housing with the housing closed.
- a shaft extension 18 attached to the respective end 20 of the rotor 12 and the rotor 12 is simultaneously supported and / or held by the weight of the rotor 12 to free the bearing body 10. Subsequently, sliding elements 22 are mounted between bearing body 10 and rotor 12, after which the bearing body 10 can be pushed along the machine axis 24 onto the shaft extension 18 and parked there.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Rolling Contact Bearings (AREA)
- Mounting Of Bearings Or Others (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Control Of Turbines (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/983,126 US9638106B2 (en) | 2011-02-09 | 2012-01-05 | Method for pulling a bearing body off the rotor of a gas turbine and tubular shaft extension |
CN201280008367.7A CN103370499B (zh) | 2011-02-09 | 2012-01-05 | 用于将支承体从燃气轮机的转子拆卸的方法以及管状的轴延长部 |
RU2013141213/02A RU2593053C2 (ru) | 2011-02-09 | 2012-01-05 | Способ снятия корпуса подшипника с ротора газовой турбины, а также трубчатый вал для продолжения ротора |
JP2013552892A JP5706003B2 (ja) | 2011-02-09 | 2012-01-05 | ガスタービンのロータ及びシャフト延長部分から軸受本体を引き抜くための方法 |
EP12700157.6A EP2655808B1 (de) | 2011-02-09 | 2012-01-05 | Verfahren zum abziehen eines lagerkörpers vom rotor einer gasturbine sowie rohrförmige wellenverlängerung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011010790 | 2011-02-09 | ||
DE102011010790.8 | 2011-02-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012107248A1 true WO2012107248A1 (de) | 2012-08-16 |
Family
ID=45470558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2012/050125 WO2012107248A1 (de) | 2011-02-09 | 2012-01-05 | Verfahren zum abziehen eines lagerkörpers vom rotor einer gasturbine sowie rohrförmige wellenverlängerung |
Country Status (6)
Country | Link |
---|---|
US (1) | US9638106B2 (de) |
EP (1) | EP2655808B1 (de) |
JP (1) | JP5706003B2 (de) |
CN (1) | CN103370499B (de) |
RU (1) | RU2593053C2 (de) |
WO (1) | WO2012107248A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015181017A3 (de) * | 2014-05-30 | 2016-02-25 | Lufthansa Technik Ag | Demontageverfahren für gasturbinen und kalibriervorrichtung |
EP4202183A1 (de) * | 2021-12-27 | 2023-06-28 | Pratt & Whitney Canada Corp. | Werkzeuganordnung und verfahren zum entfernen einer auf einem träger montierten komponente |
Families Citing this family (16)
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EP2905430A1 (de) * | 2014-02-11 | 2015-08-12 | Siemens Aktiengesellschaft | Handhabungsvorrichtung |
FR3035447B1 (fr) * | 2015-04-27 | 2017-04-14 | Turbomeca | Turbomoteur pour un aeronef equipe d'un centreur a activation automatique |
CN105364456A (zh) * | 2015-12-22 | 2016-03-02 | 上汽通用五菱汽车股份有限公司 | 一种后桥半轴轴承拆装装置 |
KR101871061B1 (ko) * | 2016-11-17 | 2018-06-25 | 두산중공업 주식회사 | 가스 터빈 및 상기 가스 터빈의 베어링 교체 방법 |
US10436180B2 (en) * | 2017-04-27 | 2019-10-08 | General Electric Company | Apparatus and method for removing or installing a bearing unit in a wind turbine bedplate with an adjustable bearing support |
CN107414459B (zh) * | 2017-06-14 | 2019-03-22 | 北京动力机械研究所 | 一种微型燃气轮机转子液压无损拆卸装置 |
KR102185605B1 (ko) | 2017-07-12 | 2020-12-02 | 지멘스 악티엔게젤샤프트 | 가스 터빈용 장착 시스템 및 연관 가스 터빈 |
EP3450704B1 (de) * | 2017-09-01 | 2020-08-05 | General Electric Company | Turbinenlagerwartungsvorrichtung und -verfahren |
EP3477066B1 (de) * | 2017-10-30 | 2020-03-25 | General Electric Company | Installationsvorrichtung für eine lastkopplung eines turbinensystems und verfahren zur installation einer lastkopplung in einem turbinensystem |
DE102018106135B4 (de) * | 2018-03-16 | 2023-09-14 | Lufthansa Technik Aktiengesellschaft | Führungsvorrichtung |
FR3082232B1 (fr) * | 2018-06-12 | 2020-08-28 | Safran Aircraft Engines | Systeme de maintien pour le demontage d'une roue a aubes |
US10953501B2 (en) | 2018-07-25 | 2021-03-23 | Raytheon Technologies Corporation | Method of removing bearing compartment |
US10830247B2 (en) | 2018-08-17 | 2020-11-10 | Caterpillar Inc. | Remanufactured turbocharger shaft and method |
CN112601887B (zh) * | 2018-08-31 | 2023-06-30 | 维斯塔斯风力***有限公司 | 同心固定和更换变速箱和发电机内部部件的工具链和方法 |
DE102019114029A1 (de) * | 2019-05-24 | 2020-11-26 | Lufthansa Technik Aktiengesellschaft | Werkzeug zur Halterung der Hochdruckwelle eines Flugzeugtriebwerks |
DE102022210466A1 (de) | 2022-10-04 | 2024-04-04 | Siemens Energy Global GmbH & Co. KG | Aufhängungssystem für ein Mannloch, Gasturbine und Verfahren |
Citations (8)
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US3124870A (en) * | 1964-03-17 | Means for removing bearings from a rotatable shaft | ||
US3403434A (en) * | 1966-06-21 | 1968-10-01 | United States Steel Corp | Bearing race extractor |
US3467811A (en) * | 1967-03-27 | 1969-09-16 | Marshall John D | Positioner and extractor device |
US4451979A (en) * | 1980-10-27 | 1984-06-05 | Elliott Turbomachinery Company, Inc. | Assembly and disassembly apparatus for use with a rotary machine |
US4635336A (en) * | 1983-05-04 | 1987-01-13 | General Electric Company | Turbine rotor heating, disassembly, handling and reassembly method and apparatus |
US5251368A (en) * | 1992-11-02 | 1993-10-12 | Somerville Dean S | Internal locking puller device |
EP0834645A1 (de) * | 1996-10-02 | 1998-04-08 | Asea Brown Boveri AG | Verdichterradbefestigung für Turbolader |
DE19643336A1 (de) * | 1996-10-21 | 1998-04-23 | Bmw Rolls Royce Gmbh | Verfahren zum Demontieren des stirnseitigen Lagergehäuses oder ND-Verdichter-Wellenteiles eines Flugtriebwerkes |
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FR2877046B1 (fr) * | 2004-10-26 | 2010-09-24 | Snecma Moteurs | Turbomachine avec un dispositif de decouplage et vis fusible pour dispositif de decouplage de la turbomachine |
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CN101595299B (zh) * | 2007-01-31 | 2012-06-27 | 维斯塔斯风力***有限公司 | 风轮机,用于维修风轮机的主轴承单元的方法及其使用 |
EP2249003B1 (de) * | 2008-02-27 | 2016-11-02 | Mitsubishi Hitachi Power Systems, Ltd. | Gasturbine |
US8100666B2 (en) * | 2008-12-22 | 2012-01-24 | Pratt & Whitney Canada Corp. | Rotor mounting system for gas turbine engine |
US8713775B2 (en) * | 2011-06-16 | 2014-05-06 | General Electric Company | Apparatus and method for servicing dynamoelectric machine components in-situ |
US9334737B2 (en) * | 2012-08-15 | 2016-05-10 | General Electric Company | Balance weight installation system and related method |
US9188007B2 (en) * | 2013-06-26 | 2015-11-17 | Siemens Energy, Inc. | Gas turbine shaft bearing system service tool and bearing system service method |
JP6533043B2 (ja) * | 2014-08-25 | 2019-06-19 | 三菱航空機株式会社 | 航空機エンジンの取り付け方法 |
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2012
- 2012-01-05 RU RU2013141213/02A patent/RU2593053C2/ru active
- 2012-01-05 WO PCT/EP2012/050125 patent/WO2012107248A1/de active Application Filing
- 2012-01-05 JP JP2013552892A patent/JP5706003B2/ja not_active Expired - Fee Related
- 2012-01-05 CN CN201280008367.7A patent/CN103370499B/zh active Active
- 2012-01-05 US US13/983,126 patent/US9638106B2/en active Active
- 2012-01-05 EP EP12700157.6A patent/EP2655808B1/de active Active
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Publication number | Priority date | Publication date | Assignee | Title |
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US3124870A (en) * | 1964-03-17 | Means for removing bearings from a rotatable shaft | ||
US3403434A (en) * | 1966-06-21 | 1968-10-01 | United States Steel Corp | Bearing race extractor |
US3467811A (en) * | 1967-03-27 | 1969-09-16 | Marshall John D | Positioner and extractor device |
US4451979A (en) * | 1980-10-27 | 1984-06-05 | Elliott Turbomachinery Company, Inc. | Assembly and disassembly apparatus for use with a rotary machine |
US4635336A (en) * | 1983-05-04 | 1987-01-13 | General Electric Company | Turbine rotor heating, disassembly, handling and reassembly method and apparatus |
US5251368A (en) * | 1992-11-02 | 1993-10-12 | Somerville Dean S | Internal locking puller device |
EP0834645A1 (de) * | 1996-10-02 | 1998-04-08 | Asea Brown Boveri AG | Verdichterradbefestigung für Turbolader |
DE19643336A1 (de) * | 1996-10-21 | 1998-04-23 | Bmw Rolls Royce Gmbh | Verfahren zum Demontieren des stirnseitigen Lagergehäuses oder ND-Verdichter-Wellenteiles eines Flugtriebwerkes |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015181017A3 (de) * | 2014-05-30 | 2016-02-25 | Lufthansa Technik Ag | Demontageverfahren für gasturbinen und kalibriervorrichtung |
US9776287B2 (en) | 2014-05-30 | 2017-10-03 | Lufthansa Technik Ag | Disassembly method for a gas turbine |
EP4202183A1 (de) * | 2021-12-27 | 2023-06-28 | Pratt & Whitney Canada Corp. | Werkzeuganordnung und verfahren zum entfernen einer auf einem träger montierten komponente |
Also Published As
Publication number | Publication date |
---|---|
EP2655808B1 (de) | 2017-08-02 |
US20130315714A1 (en) | 2013-11-28 |
CN103370499B (zh) | 2015-11-25 |
US9638106B2 (en) | 2017-05-02 |
RU2593053C2 (ru) | 2016-07-27 |
EP2655808A1 (de) | 2013-10-30 |
RU2013141213A (ru) | 2015-03-20 |
JP2014509363A (ja) | 2014-04-17 |
CN103370499A (zh) | 2013-10-23 |
JP5706003B2 (ja) | 2015-04-22 |
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