EP0846844A1 - Rotorzusammenbau mit kraftschlüssig und gleichzeitig form- bzw. materialschlüssig verbundenen Rotorscheiben - Google Patents
Rotorzusammenbau mit kraftschlüssig und gleichzeitig form- bzw. materialschlüssig verbundenen Rotorscheiben Download PDFInfo
- Publication number
- EP0846844A1 EP0846844A1 EP97810852A EP97810852A EP0846844A1 EP 0846844 A1 EP0846844 A1 EP 0846844A1 EP 97810852 A EP97810852 A EP 97810852A EP 97810852 A EP97810852 A EP 97810852A EP 0846844 A1 EP0846844 A1 EP 0846844A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- connection
- disks
- positive
- cone
- 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.)
- Granted
Links
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
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/06—Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
- F01D5/063—Welded rotors
-
- 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
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/06—Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
- F01D5/066—Connecting means for joining rotor-discs or rotor-elements together, e.g. by a central bolt, by clamps
Definitions
- the invention relates to a rotor for turbomachinery according to the Preamble of claim 1.
- a rotor for turbomachinery is made up of several rotor disks built up, these are lined up axially and concentrically be aligned.
- the rotor disks can carry the blading or washers and are clamped together by, generally several, tie rods and thus form a compact unit.
- tie rods are high enough to the frictional connection between the individual rotor disks guarantee.
- In practice which is mainly due to the Thermal expansion is affected due to the high operating temperatures is, however, not always the friction given. So shifts occur in the individual Rotor disks against each other, which lead to non-circular running System and at least to a shutdown or to their can lead to partial destruction. This has stopped the system and thus the loss of production. To the Loss of production, however, still come the system damage, which in particular lead to extremely expensive repairs, if they are repairable at all.
- the invention tries to avoid all these disadvantages. your the task is based on a rotor for turbomachinery to indicate which is naturally trained or something can be retrofitted that an operational Misalignment [rotation or displacement] of rotor disks to each other is avoided.
- the individual rotor disks are 1.i, which, as blade disks 1.i.1 or as Intermediate discs 1.i.2 can be formed, axially strung together and clamped together concentrically by tie rods 2.
- the rotor disks 1.i have defined contact surfaces 1.i.1.1 or 1.i.2.1, with which they come together support and to which those caused by the tie rods 2 Attack frictional forces. These are supposed to be through the non-positive Connection a rotation or displacement of the rotor disks prevent each other in the operation of the system. However, it can Operating conditions in which these frictional forces are insufficient, a misalignment of the rotor disks 1.i against each other to prevent.
- FIG. 5 is the additional connection of the rotor disks 1.i as a cone-shaped, preferably a double-cone-shaped Centering 4 formed.
- This conical centering 4 is also outside the screw pitch circle 2.1 the tie rod 2 arranged.
- the double cone preferably has a flank angle from 30 ... 60 degrees.
- the conical centering 4 results in a form-fitting holder in the radial direction and also increases the Friction surfaces between the rotor disks 1.i and thus the Size of the transferable friction forces.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
Description
- Fig. 1
- durch achsparallele Zuganker verspannte Rotorscheiben mit einer zusätzlichen Verbindung in Form einer Schweissnaht,
- Fig. 2
- ein Detail zu Fig. 1,
- Fig. 3
- ein weiteres Detail zu Fig. 1,
- Fig. 4
- durch die Rotorachse kreuzende Zuganker verspannte Rotorscheiben,
- Fig. 5
- durch Zuganker verspannte Rotorscheiben mit einer zusätzlichen Verbindung in Form einer doppelkonusförmingen Zentrierung.
Rotor | 1 |
Rotorscheiben | 1.i |
Schaufelscheiben | 1.i.1 |
Zwischenscheiben | 1.i.2 |
Auflageflächen | 1.i.1.1 bzw. 1.i.2.1 |
Zuganker | 2 |
Schraubenteilkreis | 2.1 |
materialschlüssige Verbindung [Schweissverbindung] | 3 |
konusförmige Zentrierung | 4 |
positiver Ringdoppelkonus | 4.i.1 |
negativer Ringdoppelkonus | 4.i.2 |
Claims (6)
- Rotor für Turbomaschinen, dessen einzelne Rotorscheiben, welche die Turbinen- oder Verdichterschaufeln tragen oder schaufellose Zwischenscheiben sind, befinden sich in konzentrisch axial aneinandergereihter Anordnung und sind mit Zugankern verbunden, wodurch die Rotorscheiben gegeneinander verspannt eine kompakte Einheit bilden, dadurch gekennzeichnet, dass benachbarte Rotorscheiben zusätzlich zur kraftschlüssigen Verbindung durch die Zuganker [2] miteinander wenigstens eine weitere Verbindung [3, 4] aufweisen, welche form- und/oder materialschlüsig ausgebildet ist.
- Rotor nach Anspruch 1, dadurch gekennzeichnet, dass die zusätzliche Verbindung der Rotorscheiben [1.i] eine Schweissverbindung [3] ist, welche zwischen je aneinanderliegenden Rotorscheiben [1.i] auf einem grösseren Durchmesser als dem Schraubenteilkreis [2.1] der Zuganker [2] vorgesehen ist.
- Rotor nach Anspruch 2, dadurch gekennzeichnet, dass die zusätzliche Schweissverbindung [3] eine durchgehende oder abschnittsweise Schweissnaht ist.
- Rotor nach einem der Ansprueche 1 bis 3, dadurch gekennzeichnet, dass die zusätzliche Verbindung der Rotorscheiben [1.i] eine konusförmige Zentrierung [4] ist.
- Rotor nach Anspruch 4, dadurch gekennzeichnet, dass die konusförmige Zentrierung [4] als positiver bzw. negativer Ringkonus oder Ringdoppelkonus [4.i.1 bzw.4.i.2] auf jeder Rotorscheibe [1.i] vorgesehen ist, wobei je ein postiver Ringkonus bzw. Ringdoppelkonus mit einem negativen Ringkonus bzw. Ringdoppelkonus der benachbarten Rotorscheibe [1.i] in Wirkverbindung steht.
- Rotor nach Anspruch 5, dadurch gekennzeichnet, dass die konusförmige Zentrierung [4] ausserhalb des Schraubenteilkreises [2.1] der Zuganker [2] angeordnet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19650260 | 1996-12-04 | ||
DE19650260A DE19650260A1 (de) | 1996-12-04 | 1996-12-04 | Rotor für Turbomaschinen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0846844A1 true EP0846844A1 (de) | 1998-06-10 |
EP0846844B1 EP0846844B1 (de) | 2003-02-26 |
Family
ID=7813605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97810852A Expired - Lifetime EP0846844B1 (de) | 1996-12-04 | 1997-11-11 | Rotorzusammenbau mit kraftschlüssig und gleichzeitig form- bzw. materialschlüssig verbundenen Rotorscheiben |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0846844B1 (de) |
CN (1) | CN1184201A (de) |
DE (2) | DE19650260A1 (de) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2025867A1 (de) * | 2007-08-10 | 2009-02-18 | Siemens Aktiengesellschaft | Rotor für eine axial durchströmbare Strömungsmaschine |
US7568886B2 (en) | 2004-03-16 | 2009-08-04 | Siemens Aktiengesellschaft | Method and device for identifying the state of the rotor of a non-positive-displacement machine |
WO2013110922A1 (en) * | 2012-01-24 | 2013-08-01 | Napier Turbochargers Limited | Connection system, corresponding impeller and turbocharger |
RU2496007C2 (ru) * | 2007-08-31 | 2013-10-20 | Дженерал Электрик Компани | Сегментированный ротор турбины и турбина |
EP2708697A1 (de) * | 2012-09-17 | 2014-03-19 | Alstom Technology Ltd | Verfahren zur Verbindung zweier Rotorabschnitte sowie Turbinenrotor |
EP2586971A3 (de) * | 2011-10-28 | 2017-05-24 | United Technologies Corporation | Abstandhalter, Rotor, Welle und Verfahren zur Orientierung des Kraftflusses während des Zusammenbaus des Rotors |
US9790792B2 (en) | 2011-10-28 | 2017-10-17 | United Technologies Corporation | Asymmetrically slotted rotor for a gas turbine engine |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7192244B2 (en) | 2004-02-23 | 2007-03-20 | Grande Iii Salvatore F | Bladeless conical radial turbine and method |
WO2008143932A2 (en) * | 2007-05-16 | 2008-11-27 | Blackstone Ralf W | Bladeless fluid propulsion pump |
EP3128128A1 (de) * | 2015-08-06 | 2017-02-08 | Siemens Aktiengesellschaft | Verschraubter rotor für eine strömungsmaschine, insbesondere dampfturbine |
DE102020004151A1 (de) | 2020-07-09 | 2022-01-13 | MTU Aero Engines AG | Turbomaschinen-Rotor |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2492833A (en) * | 1945-11-20 | 1949-12-27 | Vickers Electrical Co Ltd | Rotor for multistage turbines and compressors |
US3610772A (en) * | 1970-05-04 | 1971-10-05 | Gen Motors Corp | Bladed rotor |
US3617150A (en) * | 1970-06-01 | 1971-11-02 | Gen Motors Corp | Rotor drum |
US3625634A (en) * | 1969-12-10 | 1971-12-07 | Gen Motors Corp | Turbomachine rotor |
US3850546A (en) * | 1971-03-03 | 1974-11-26 | Gen Motors Corp | Turbomachine rotor |
US4086690A (en) * | 1975-06-19 | 1978-05-02 | Bbc Brown, Boveri & Company Limited | Method and apparatus for producing a rotor welded together from discs |
GB2059819A (en) * | 1979-10-12 | 1981-04-29 | Gen Motors Corp | Manufacture of axial compressor rotor |
US5414929A (en) * | 1992-11-26 | 1995-05-16 | Abb Patent Gmbh | Method of producing a turbine rotor |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD29359A (de) * | ||||
DE870595C (de) * | 1941-09-08 | 1953-03-19 | Daimler Benz Ag | Trommel fuer Turbomaschinen, insbesondere fuer Axialverdichter |
US2637521A (en) * | 1949-03-01 | 1953-05-05 | Elliott Co | Gas turbine rotor and method of welding rotor disks together |
DE1551210A1 (de) * | 1966-06-18 | 1970-01-15 | Siemens Ag | Scheibenlaeufer fuer Turbinen,die zum Antrieb von Wechselstromgeneratoren dienen |
-
1996
- 1996-12-04 DE DE19650260A patent/DE19650260A1/de not_active Withdrawn
-
1997
- 1997-11-11 DE DE59709387T patent/DE59709387D1/de not_active Expired - Fee Related
- 1997-11-11 EP EP97810852A patent/EP0846844B1/de not_active Expired - Lifetime
- 1997-12-04 CN CN97125411A patent/CN1184201A/zh active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2492833A (en) * | 1945-11-20 | 1949-12-27 | Vickers Electrical Co Ltd | Rotor for multistage turbines and compressors |
US3625634A (en) * | 1969-12-10 | 1971-12-07 | Gen Motors Corp | Turbomachine rotor |
US3610772A (en) * | 1970-05-04 | 1971-10-05 | Gen Motors Corp | Bladed rotor |
US3617150A (en) * | 1970-06-01 | 1971-11-02 | Gen Motors Corp | Rotor drum |
US3850546A (en) * | 1971-03-03 | 1974-11-26 | Gen Motors Corp | Turbomachine rotor |
US4086690A (en) * | 1975-06-19 | 1978-05-02 | Bbc Brown, Boveri & Company Limited | Method and apparatus for producing a rotor welded together from discs |
GB2059819A (en) * | 1979-10-12 | 1981-04-29 | Gen Motors Corp | Manufacture of axial compressor rotor |
US5414929A (en) * | 1992-11-26 | 1995-05-16 | Abb Patent Gmbh | Method of producing a turbine rotor |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7568886B2 (en) | 2004-03-16 | 2009-08-04 | Siemens Aktiengesellschaft | Method and device for identifying the state of the rotor of a non-positive-displacement machine |
EP2025867A1 (de) * | 2007-08-10 | 2009-02-18 | Siemens Aktiengesellschaft | Rotor für eine axial durchströmbare Strömungsmaschine |
WO2009021927A1 (de) * | 2007-08-10 | 2009-02-19 | Siemens Aktiengesellschaft | Rotor für eine axial durchströmbare strömungsmaschine |
US8459951B2 (en) | 2007-08-10 | 2013-06-11 | Siemens Aktiengesellschaft | Rotor for an axial flow turbomachine |
RU2496007C2 (ru) * | 2007-08-31 | 2013-10-20 | Дженерал Электрик Компани | Сегментированный ротор турбины и турбина |
EP2586971A3 (de) * | 2011-10-28 | 2017-05-24 | United Technologies Corporation | Abstandhalter, Rotor, Welle und Verfahren zur Orientierung des Kraftflusses während des Zusammenbaus des Rotors |
US9790792B2 (en) | 2011-10-28 | 2017-10-17 | United Technologies Corporation | Asymmetrically slotted rotor for a gas turbine engine |
WO2013110922A1 (en) * | 2012-01-24 | 2013-08-01 | Napier Turbochargers Limited | Connection system, corresponding impeller and turbocharger |
GB2514693A (en) * | 2012-01-24 | 2014-12-03 | Napier Turbochargers Ltd | Connection system, corresponding impeller and turbocharger |
GB2514693B (en) * | 2012-01-24 | 2018-11-28 | Napier Turbochargers Ltd | Connection system, corresponding impeller and turbocharger |
EP2708697A1 (de) * | 2012-09-17 | 2014-03-19 | Alstom Technology Ltd | Verfahren zur Verbindung zweier Rotorabschnitte sowie Turbinenrotor |
Also Published As
Publication number | Publication date |
---|---|
EP0846844B1 (de) | 2003-02-26 |
CN1184201A (zh) | 1998-06-10 |
DE19650260A1 (de) | 1998-06-10 |
DE59709387D1 (de) | 2003-04-03 |
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