EP1457642A2 - Vorrichtung zur Schaufelbefestigung an einem Rotor - Google Patents
Vorrichtung zur Schaufelbefestigung an einem Rotor Download PDFInfo
- Publication number
- EP1457642A2 EP1457642A2 EP04100742A EP04100742A EP1457642A2 EP 1457642 A2 EP1457642 A2 EP 1457642A2 EP 04100742 A EP04100742 A EP 04100742A EP 04100742 A EP04100742 A EP 04100742A EP 1457642 A2 EP1457642 A2 EP 1457642A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- wedge
- halves
- blades
- installed state
- 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
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/32—Locking, e.g. by final locking blades or keys
- F01D5/323—Locking of axial insertion type blades by means of a key or the like parallel to the axis of the rotor
-
- 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
- F01D5/3023—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses
- F01D5/303—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot
- F01D5/3038—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot the slot having inwardly directed abutment faces on both sides
-
- 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
- F01D5/32—Locking, e.g. by final locking blades or keys
Definitions
- the invention relates to the field of power plant technology. It affects a rotor closure for rotors of thermal turbomachinery according to the Preamble of claim 1.
- Thermal turbomachinery such as turbines and compressors, exist in the essentially consisting of a rotor equipped with rotor blades and a Stator, in which guide vanes are hung.
- the fixed guide vanes are responsible for the flow of the compressing or to relax the gaseous medium so on the rotating barrel blading to direct that energy conversion with best possible efficiency.
- Both blades and vanes have essentially Blade and a blade root on.
- To the blades on the To be able to fix the rotor or the guide vanes in the stator are in the stator and grooved grooves on the rotor shaft. The feet are in these grooves the blades are inserted and locked there.
- a disadvantage of this prior art is that the wedge due to the Tipping moment of the two closing halves, which is due to the centrifugal force is caused during operation, is able to use the caulked rag réellebiegen.
- the wedge can thus fly out of the compressor and it can completely damage the compressor.
- the aim of the invention is to overcome the disadvantages of the prior art avoid.
- the invention is based on the object, a rotor closure to develop which does not exert any axial forces on the rotor, so that thereby an occurrence of disturbing caused by axial forces Rotor vibrations is avoided.
- this object is achieved with a rotor closure for rotors thermal turbomachinery according to the preamble of claim 1 solved that the rotor closure in the axial direction on the two adjacent blades is attached.
- Each of the two closing halves of the The end of the rotor is in the axial direction of the rotor with a catch attached to the two neighboring blades.
- the attachment can be straight or form-fitting. If the Closing halves and the adjacent blades a positive Form assembly, this has the additional advantage that the neighboring blades not by those acting on them from the end piece Forces are rotated into the rotor so that they are at their Do not jam thermal expansion.
- the wedge at its upper end two by one Longitudinal slot has separate tabs, which in the built State are spread and that the side surfaces of the closing halves in the Upper area each have a recess, which in the built Condition form an approximately heart-shaped cavity, the walls of which Cavity are covered by the spread rag of the wedge and the Wedge is thus firmly anchored in the closing halves.
- Fig. 1 shows a section through a rotor closure known to the applicant 1 after installation in a rotor 2.
- the rotor end 1 shown in Fig. 1 consists of two end halves 4, 4 'with opposing side surfaces 5, 5' and from a wedge 6, which on its upper, in the installed state of the longitudinal axis of the rotor opposite end two separated by a longitudinal slot Has tabs 10, 10 '.
- the side surfaces 5, 5 'of the end halves 4, 4' each have a recess in the upper area, which in the installed state form an approximately heart-shaped cavity 11, the Walls of this cavity 11 from the spread lobes 10, 10 'of caulked wedge 6 are covered and the wedge 6 in this way Anchoring firmly in the heart-shaped cavity 11.
- the embodiment known to the applicant is based on the rotor end 1 or the end halves 4, 4 'in the axial direction on the rotor.
- FIG. 2 is a top view of a schematically illustrated rotor tail 1 according to the invention after installation with a straight one Imposition 8, 8 ', 9, 9' shown.
- the caulked wedge is not shown, which finally fills the remaining opening of the circumferential groove 3.
- Each of the two end halves 4, 4 ' is in the axial direction of the rotor 2 with one each Imposition 8, 8 ', 9, 9' on the two adjacent blades 7, 7 '(also Final blades), attached to the blade feet.
- These four hangings 8, 8 ', 9, 9' now take the instead of the rotor 2
- Axial forces F which are caused by the centrifugal force and the caulked wedge are caused. In this way, axial forces no longer act the rotor and disturbing rotor vibrations are avoided.
- FIG. 4 shows a further exemplary embodiment.
- the figure shows a Final package, consisting of the two final halves 4, 4 ' caulked wedge 6 located between the end halves and the two final blades 7, 7 '.
- the solution according to the invention is suitable for all rows of blades in Circumferential groove. It is advantageously used whenever the rotor is sensitive to axial forces and therefore disturbing vibrations can arise.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Shearing Machines (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
- Fig. 1
- einen Schnitt durch einen der Anmelderin bekannten Rotor-Schluss nach Einbau in einen Verdichterrotor;
- Fig. 2
- eine Draufsicht eines schematisch dargestellten erfindungsgemässen Rotor-Schlusses mit gerader Verhängung nach Einbau in einen Verdichterrotor (ohne Keil);
- Fig. 3
- eine Draufsicht eines schematisch dargestellten erfindungsgemässen Rotor-Schlusses mit formschlüssiger Verhängung nach Einbau in einen Verdichterrotor (ohne Keil) und
- Fig. 4
- eine Draufsicht eines schematisch dargestellten erfindungsgemässen Rotor-Schlusses mit Keil mit gerader Verhängung nach Einbau in einen Verdichterrotor.
- 1
- Rotor-Schluss
- 2
- Rotor
- 3
- Umfangsnut
- 4, 4'
- Schlusshälfte
- 5, 5'
- Seitenfläche der Schlusshälfte
- 6
- Keil
- 7, 7'
- Laufschaufel
- 8, 8'
- Verhängung
- 9, 9'
- Verhängung
- 10, 10'
- Lappen des Keiles
- 11
- herzförmiger Hohlraum
- F
- Axialkraft
Claims (4)
- Rotor-Schluss (1) für Rotoren (2) thermischer Turbomaschinen mit Umfangsnut (3), bestehend aus zwei Schlusshälften (4, 4') mit sich im eingebauten Zustand gegenüberstehenden Seitenflächen (5, 5') und einem dazwischen eingeschobenen Keil (6), welcher im eingebauten Zustand formschlüssig in den Seitenflächen (5, 5') der Schlusshälften (4, 4') verankert ist, wobei der Rotor-Schluss (1) in axialer Richtung des Rotors (2) zwischen zwei Laufschaufeln (7, 7') angeordnet ist, dadurch gekennzeichnet, dass jede der Schlusshälften (4, 4') in axialer Richtung des Rotors mit je einer Verhängung (8, 8', 9, 9') an den beiden benachbarten Laufschaufeln (7, 7') befestigt ist.
- Rotor-Schluss (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Verhängung (8, 8', 9', 9') gerade ist.
- Rotor-Schluss (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Verhängung (8, 8', 9, 9') formschlüssig ist.
- Rotor-Schluss (1) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Keil (6) an seinem oberen, im eingebauten Zustand der Rotorlängsachse abgewandten Ende zwei durch einen Längsschlitz voneinander getrennte Lappen (10, 10') aufweist, welche im eingebauten Zustand aufgespreizt sind und dass die Seitenflächen (5, 5') der Schlusshälften (4, 4') im oberen Bereich jeweils eine Ausnehmung aufweisen, welche im eingebauten Zustand einen etwa herzförmigen Hohlraum (11) bilden, wobei die Wände dieses Hohlraumes (11) von den aufgespreizten Lappen (10, 10') des Keiles (6) bedeckt sind und der Keil (6) dadurch in den Schlusshälften (4, 4') fest verankert ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10310432A DE10310432A1 (de) | 2003-03-11 | 2003-03-11 | Rotor-Schluss |
DE10310432 | 2003-03-11 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1457642A2 true EP1457642A2 (de) | 2004-09-15 |
EP1457642A3 EP1457642A3 (de) | 2006-07-26 |
EP1457642B1 EP1457642B1 (de) | 2009-04-01 |
Family
ID=32748182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04100742A Expired - Lifetime EP1457642B1 (de) | 2003-03-11 | 2004-02-25 | Vorrichtung zur Schaufelbefestigung an einem Rotor |
Country Status (5)
Country | Link |
---|---|
US (1) | US7192256B2 (de) |
EP (1) | EP1457642B1 (de) |
CN (1) | CN1534167B (de) |
AT (1) | ATE427412T1 (de) |
DE (2) | DE10310432A1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1698758A2 (de) * | 2005-02-23 | 2006-09-06 | ALSTOM Technology Ltd | Axial getrennter Rotor-Schluss |
EP1803900A1 (de) | 2006-01-02 | 2007-07-04 | Siemens Aktiengesellschaft | Schlussbaugruppe zum Schliessen des verbleibenden Zwischenraums zwischen der ersten und der letzten in einer Umfangsnut einer Strömungsmaschine eingesetzten Schaufel eines Schaufelkranzes und entsprechende Strömungsmaschine |
EP1698759A3 (de) * | 2005-02-23 | 2012-04-04 | Alstom Technology Ltd | Rotor-Schluss |
US8157531B2 (en) | 2006-01-02 | 2012-04-17 | Siemens Aktiengesellschaft | Closing assembly for a blade ring of turbomachinery |
EP2868868A1 (de) * | 2013-11-05 | 2015-05-06 | Siemens Aktiengesellschaft | Montagevorrichtung und Montageverfahren einer Leitschaufel |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7435055B2 (en) * | 2005-03-29 | 2008-10-14 | Siemens Power Generation, Inc. | Locking spacer assembly for a turbine engine |
FR2921099B1 (fr) * | 2007-09-13 | 2013-12-06 | Snecma | Dispositif d'amortissement pour aube en materiau composite |
US8545184B2 (en) * | 2010-01-05 | 2013-10-01 | General Electric Company | Locking spacer assembly |
US20110255978A1 (en) * | 2010-04-16 | 2011-10-20 | Brian Denver Potter | Locking Assembly For Circumferential Attachments |
CH703997A1 (de) * | 2010-10-27 | 2012-04-30 | Alstom Technology Ltd | Schaufelanordnung, insbesondere Leitschaufelanordnung. |
US9175572B2 (en) * | 2012-04-16 | 2015-11-03 | General Electric Company | Turbomachine blade mounting system |
US9341071B2 (en) * | 2013-10-16 | 2016-05-17 | General Electric Company | Locking spacer assembly |
EP3765715B1 (de) * | 2018-04-18 | 2021-12-29 | Siemens Energy Global GmbH & Co. KG | Anordnung eines verriegelungsabstandshalters, laufschaufelanordnung und einbauverfahren eines verriegelungsabstandshalters |
CN113586519B (zh) * | 2021-08-24 | 2023-09-26 | 中国联合重型燃气轮机技术有限公司 | 锁紧装置及包括该锁紧装置的压气机、燃气轮机 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH223599A (de) * | 1940-06-12 | 1942-09-30 | Hermes Patentverwertungs Gmbh | Schaufelschloss an axial beaufschlagten Laufschaufelkränzen von Dampf- oder Gasturbinen. |
DD271243A3 (de) * | 1987-10-01 | 1989-08-30 | Goerlitzer Maschinenbau Veb | Schaufelschlossanordnung mit minimierter schaufelschlossluecke |
EP1215367A2 (de) * | 2000-12-16 | 2002-06-19 | ALSTOM Power N.V. | Fixiervorrichtung für eine Beschaufelung einer Strömungsmaschine |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE271243C (de) | ||||
US1371327A (en) * | 1920-07-21 | 1921-03-15 | Schneider & Cie | Turbine |
US2406703A (en) * | 1944-06-08 | 1946-08-27 | Allis Chalmers Mfg Co | Turbine blade locking apparatus |
FR974989A (fr) * | 1948-09-17 | 1951-02-28 | Verrou pour l'aubage des rotors en forme de tambour de compresseurs axiaux et de turbines à vapeur ou à gaz | |
CH273791A (de) * | 1949-05-25 | 1951-02-28 | Tech Studien Ag | Schaufelschloss an füllstücklosen Laufschaufelungen von Axialströmungsmaschinen. |
-
2003
- 2003-03-11 DE DE10310432A patent/DE10310432A1/de not_active Withdrawn
-
2004
- 2004-02-25 DE DE502004009253T patent/DE502004009253D1/de not_active Expired - Lifetime
- 2004-02-25 EP EP04100742A patent/EP1457642B1/de not_active Expired - Lifetime
- 2004-02-25 AT AT04100742T patent/ATE427412T1/de not_active IP Right Cessation
- 2004-03-05 US US10/792,708 patent/US7192256B2/en not_active Expired - Fee Related
- 2004-03-11 CN CN2004100352581A patent/CN1534167B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH223599A (de) * | 1940-06-12 | 1942-09-30 | Hermes Patentverwertungs Gmbh | Schaufelschloss an axial beaufschlagten Laufschaufelkränzen von Dampf- oder Gasturbinen. |
DD271243A3 (de) * | 1987-10-01 | 1989-08-30 | Goerlitzer Maschinenbau Veb | Schaufelschlossanordnung mit minimierter schaufelschlossluecke |
EP1215367A2 (de) * | 2000-12-16 | 2002-06-19 | ALSTOM Power N.V. | Fixiervorrichtung für eine Beschaufelung einer Strömungsmaschine |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1698758A2 (de) * | 2005-02-23 | 2006-09-06 | ALSTOM Technology Ltd | Axial getrennter Rotor-Schluss |
US7338258B2 (en) | 2005-02-23 | 2008-03-04 | Alstom Technology Ltd. | Axially separate rotor end piece |
EP1698759A3 (de) * | 2005-02-23 | 2012-04-04 | Alstom Technology Ltd | Rotor-Schluss |
EP1698758A3 (de) * | 2005-02-23 | 2013-03-27 | Alstom Technology Ltd | Axial getrennter Rotor-Schluss |
EP1803900A1 (de) | 2006-01-02 | 2007-07-04 | Siemens Aktiengesellschaft | Schlussbaugruppe zum Schliessen des verbleibenden Zwischenraums zwischen der ersten und der letzten in einer Umfangsnut einer Strömungsmaschine eingesetzten Schaufel eines Schaufelkranzes und entsprechende Strömungsmaschine |
WO2007077183A1 (de) * | 2006-01-02 | 2007-07-12 | Siemens Aktiengesellschaft | Schlüssbaugruppe zum schliessen des verbleibenden zwischenraums zwischen der ersten und der letzten in einer umfangsnut einer strömungsmaschine eingesetzten schaufel eines schaufelkranzes und entsprechende strömungsmaschine |
US8157530B2 (en) | 2006-01-02 | 2012-04-17 | Siemens Aktiengesellschaft | Locking sub-assembly for closing the remaining gap between the first and the last of a blade ring which are inserted in a circumferential groove of a turbomachine, and corresponding turbomachine |
US8157531B2 (en) | 2006-01-02 | 2012-04-17 | Siemens Aktiengesellschaft | Closing assembly for a blade ring of turbomachinery |
EP2868868A1 (de) * | 2013-11-05 | 2015-05-06 | Siemens Aktiengesellschaft | Montagevorrichtung und Montageverfahren einer Leitschaufel |
WO2015067395A1 (de) * | 2013-11-05 | 2015-05-14 | Siemens Aktiengesellschaft | Montagevorrichtung und montageverfahren |
RU2655428C2 (ru) * | 2013-11-05 | 2018-05-28 | Сименс Акциенгезелльшафт | Монтажное устройство и способ монтажа |
Also Published As
Publication number | Publication date |
---|---|
CN1534167B (zh) | 2010-05-26 |
US20040179945A1 (en) | 2004-09-16 |
DE10310432A1 (de) | 2004-09-23 |
EP1457642B1 (de) | 2009-04-01 |
CN1534167A (zh) | 2004-10-06 |
EP1457642A3 (de) | 2006-07-26 |
ATE427412T1 (de) | 2009-04-15 |
US7192256B2 (en) | 2007-03-20 |
DE502004009253D1 (de) | 2009-05-14 |
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