EP3042042B1 - Mounting device and mounting method of a vane - Google Patents

Mounting device and mounting method of a vane Download PDF

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Publication number
EP3042042B1
EP3042042B1 EP14771282.2A EP14771282A EP3042042B1 EP 3042042 B1 EP3042042 B1 EP 3042042B1 EP 14771282 A EP14771282 A EP 14771282A EP 3042042 B1 EP3042042 B1 EP 3042042B1
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EP
European Patent Office
Prior art keywords
caulking
unit
mounting device
mounting
piston
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.)
Not-in-force
Application number
EP14771282.2A
Other languages
German (de)
French (fr)
Other versions
EP3042042A1 (en
Inventor
Stefan Bentele
Ulrich Beul
Frank Brumbi
Oliver Ceranski
Manuel Ettler
Thomas Helmis
Markus Hofmann
Daniel Lindemann
Adam Maguire
Oliver Ricken
Andreas Stiehm
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to EP14771282.2A priority Critical patent/EP3042042B1/en
Priority to PL14771282T priority patent/PL3042042T3/en
Publication of EP3042042A1 publication Critical patent/EP3042042A1/en
Application granted granted Critical
Publication of EP3042042B1 publication Critical patent/EP3042042B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01D5/12—Blades
    • F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
    • 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
    • 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
    • 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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/042—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector fixing blades to stators
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • 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
    • F05D2230/60—Assembly 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
    • F05D2230/00—Manufacture
    • F05D2230/60—Assembly methods
    • F05D2230/64—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins
    • 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
    • F05D2230/60—Assembly methods
    • F05D2230/68—Assembly methods using auxiliary equipment for lifting or holding
    • 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
    • F05D2240/10—Stators
    • F05D2240/12—Fluid guiding means, e.g. vanes

Definitions

  • the present invention relates to a mounting device and a mounting method for mounting a vane in a blade groove of a turbine.
  • GB00581 discloses an example of a mounting device for mounting a vane.
  • the present invention is based on the object of providing a machine for this process.
  • the clamping unit is designed to generate a frictional connection in a circumferential direction in the blade groove.
  • the caulking unit is arranged in the circumferential direction behind the clamping unit and the caulking unit is supported in the circumferential direction against the clamping unit.
  • the caulking unit is designed to apply a caulking force by means of a caulking piston and to transfer it to the guide blade to be mounted, opposite to the circumferential direction in a mounting direction.
  • the clamping unit comprises a piston provided with a piston and movable against a fork slope of a clamping fork in a clamping direction clamping piston.
  • the clamping unit is fluidly driven.
  • the caulking unit is fluidically driven in a further advantageous embodiment.
  • Fluidic includes hydraulic or pneumatic drive types.
  • the mounting device is characterized by means of common fluid aggregates, as they are commonly encountered in manufacturing plants drivable.
  • the Stemmkolben is provided with a stop member.
  • the arrangement of the abutment part on the stemming piston facilitates the handling of the mounting device according to the invention, since the abutment part does not have to be additionally held in position.
  • a guide vane to be mounted is thereby fastened in a blade groove of a turbine in such a way that the vane to be mounted is driven along the vane groove in the mounting direction by means of a mounting device according to the invention Stemm rave provided place. Through the Stemm swirl the vane is fixed as usual.
  • the assembly method according to the invention is faster and easier for the fitter than previous assembly method for the same purpose.
  • FIG. 1 a mounting device 10 according to the invention for mounting a guide vane 34 to be mounted in an exemplary embodiment is shown schematically.
  • the mounting device 10 according to the invention has a clamping unit 11 and a caulking unit 12.
  • the clamping unit 11 is in an exemplary embodiment in the FIG. 2 shown schematically in a working position.
  • FIG. 3 If the assembly device 10 according to the invention is shown in the working position by way of example during the execution of the assembly method 40 according to the invention.
  • the clamping unit 11 is formed according to the invention in such a way that the clamping unit 11 is adapted to generate a frictional connection in a circumferential direction 24 in a blade groove 32 of a turbine 31, in which the guide vane 34 to be mounted is to be mounted.
  • the circumferential direction 24 is in the working position of the mounting device 10 a perpendicular to a rotation axis 30 of the turbine 31, at a constant distance around the rotation axis 30 around Direction.
  • the circumferential direction 24 thus corresponds to the course of the blade groove 32.
  • the caulking unit 12 is arranged according to the invention in the circumferential direction 24 behind the clamping unit 11.
  • the caulking unit 12 is thus supported in the circumferential direction 24 against the clamping unit 11.
  • Between the clamping unit 11 and the caulking 12 can be made in the circumferential direction 24 a positive connection. It is also possible that the clamping unit 11 and the caulking 12 have a common housing, whereby the support is realized.
  • the caulking unit 12 has a caulking piston 15 and is designed in such a way that the caulking unit 12 is suitable for applying a caulking force in a mounting direction 16 by means of the caulking piston 15.
  • the mounting direction 16 is opposite to the circumferential direction 24 directed.
  • the clamping unit 11 and / or the caulking unit 12 are in particular driven fluidically. They can be driven pneumatically or hydraulically.
  • the caulking piston 15 of the caulking unit is in particular a pneumatic piston of a pneumatic cylinder or a hydraulic piston of a hydraulic cylinder.
  • the mounting device according to the invention is connected via supply lines 14 with a fluid assembly 13, which generates the required for the operation of the mounting device 10 fluid pressures or negative pressures.
  • the fluid assembly 13 and the supply lines 14 may also be part of the mounting device 10.
  • a stop member 17 is arranged in mounting direction 16 in front of the stemming piston 15 in the FIG. 1 .
  • the abutment part consists of a material which is soft compared to the guide vane 34 to be mounted in order not to damage the vane.
  • the stop member is made in particular of bronze, brass or copper.
  • the stop member 17 may also be part the mounting device 10 and be firmly connected to the stemming piston 15.
  • the clamping unit 11 is provided in particular with a clamping piston 19 and a clamping fork 18.
  • the clamping fork 18 has at least one upper fork arm 21 with a fork bevel 25.
  • the clamping fork 18 also includes a lower fork arm 22. Between the upper fork arm 21 and the lower fork arm 22 of the clamping piston 19 is guided in this case.
  • the clamping piston 19 is arranged here movable. The clamping piston 19 can be moved here in a clamping direction 23 and opposite to the clamping direction 23.
  • the clamping piston has in particular a piston bevel 20.
  • the piston bevel 20 rests in particular on the fork slope 25.
  • the fork bevel 25 is moved transversely to the clamping direction 23.
  • the FIG. 2 is pressed in the clamping direction of the clamping piston 19 in the clamping direction 23 of the upper fork arm 21 in the pressing direction 26.
  • the upper fork arm 21 is thereby pressed in the working position on a wall of the blade groove 32.
  • the clamping direction 23 extends in the working position of the mounting device 10 according to the invention radially to the axis of rotation 30.
  • the pressing direction 26 extends transversely to the clamping direction 23 and substantially parallel to the axis of rotation 30th
  • the clamping piston 19 is in particular a pneumatic piston of a pneumatic cylinder or a hydraulic piston of a hydraulic cylinder.
  • the blade groove 32 has an axial stemming groove 35 positioned in a projection 39 and a radial caulking groove 37.
  • the configuration of the blade groove 32 shown here thus corresponds to the conventional manner.
  • the axial Stemmnut 35 is for insertion an axial Stemm converss 36 and the radial Stemmnut 37 for inserting a radial Stemm coupless 38 is provided. Due to the fact that the axial caulking piece 36 has an oversize, a guide blade 33 positioned in this position is fixed in the blade groove 32.
  • the displacement of the guide blade 34 to be mounted on the location in the blade groove 32 with the inserted caulking pieces 36, 38 is the task of the assembly method 40 according to the invention.
  • the inventive assembly method 40 is shown.
  • the guide vane 34 to be mounted is fastened in the vane groove 32 of the turbine 31.
  • the mounting device 10 and optionally the stop member 17 are already brought into the working position in the figure.
  • a frictional connection between the mounting device 10 and blade groove 32 in the circumferential direction is produced, in particular by extending the clamping piston 19 in the clamping direction 23.
  • the stemming piston 15 is then actuated, which exerts a force in the mounting direction 16.
  • the stop member 17 is arranged. The stop member 17 transmits the force applied by the stemming piston 15 in the mounting direction 16 on the guide vane 34 to be mounted and thereby pushes them in the direction of their final position.

Description

Die vorliegende Erfindung betrifft eine Montagevorrichtung und ein Montageverfahren zur Montage einer Leitschaufel in einer Schaufelnut einer Turbine.The present invention relates to a mounting device and a mounting method for mounting a vane in a blade groove of a turbine.

Im Stand der Technik ist es üblich, dass die Leitschaufeln mittels per Hand ausgeführter Hammerschläge in ihre Endposition in der Schaufelnut der Turbine gerückt werden. Dies ist sehr zeit- und kraftaufwändig. GB00581 offenbart ein Beispiel einer Montagevorrichtung zur Montage einer Leitschaufel. Der vorliegenden Erfindung liegt nun die Aufgabe zugrunde, eine Maschine für diesen Vorgang bereitzustellen.In the prior art, it is common that the vanes are moved by means of manually executed hammer blows in their final position in the blade groove of the turbine. This is very time and effort consuming. GB00581 discloses an example of a mounting device for mounting a vane. The present invention is based on the object of providing a machine for this process.

Gelöst wird diese Aufgabe mit einer Montagevorrichtung nach Anspruch 1 sowie einem Montageverfahren nach Anspruch 6. Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben und in der Beschreibung beschrieben.This object is achieved with a mounting device according to claim 1 and a mounting method according to claim 6. Advantageous developments of the invention are specified in the dependent claims and described in the description.

Die erfindungsgemäße Montagevorrichtung zur Montage einer zu montierenden Leitschaufel in einer Schaufelnut einer Turbine umfasst eine Klemmeinheit und eine Stemmeinheit. Die Klemmeinheit ist dabei ausgebildet, in der Schaufelnut einen Kraftschluss in eine Umfangsrichtung zu erzeugen. Die Stemmeinheit ist in der Umfangsrichtung hinter der Klemmeinheit angeordnet und die Stemmeinheit ist in der Umfangsrichtung gegen die Klemmeinheit abgestützt. Die Stemmeinheit ist ausgebildet, entgegengesetzt der Umfangsrichtung in eine Montagerichtung eine Stemmkraft mittels eines Stemmkolbens aufzubringen und auf die zu montierende Leitschaufel zu übertragen.The mounting device according to the invention for mounting a stator blade to be mounted in a blade groove of a turbine comprises a clamping unit and a caulking unit. The clamping unit is designed to generate a frictional connection in a circumferential direction in the blade groove. The caulking unit is arranged in the circumferential direction behind the clamping unit and the caulking unit is supported in the circumferential direction against the clamping unit. The caulking unit is designed to apply a caulking force by means of a caulking piston and to transfer it to the guide blade to be mounted, opposite to the circumferential direction in a mounting direction.

Mit der erfindungsgemäßen Montagevorrichtung ist es vorteilhaft ermöglicht, die Montage der Leitschaufeln zu vereinfachen und zu beschleunigen. Kosten und Arbeitszeit können dadurch gespart werden.With the mounting device according to the invention, it is advantageously possible to simplify the assembly of the guide vanes and speed up. Costs and working hours can be saved.

In einer vorteilhaften Ausgestaltung der erfindungsgemäßen Montagevorrichtung umfasst die Klemmeinheit einen mit einer Kolbenschräge versehenen und gegen eine Gabelschräge einer Klemmgabel in eine Klemmrichtung verfahrbaren Klemmkolben.In an advantageous embodiment of the mounting device according to the invention, the clamping unit comprises a piston provided with a piston and movable against a fork slope of a clamping fork in a clamping direction clamping piston.

Mit dieser Ausgestaltung kann auf eine einfache Weise ein Kraftschluss zwischen der Montagevorrichtung und der Turbine hergestellt werden. Die Anordnung des Klemmkolbens in der Gabel gewährleistet zudem, dass die Schaufelnut durch das Verfahren des Klemmkolbens keinen Schaden nehmen kann.With this configuration, a frictional connection between the mounting device and the turbine can be produced in a simple manner. The arrangement of the clamping piston in the fork also ensures that the blade groove can not be damaged by the method of the clamping piston.

In einer weiteren vorteilhaften Ausgestaltung der erfindungsgemäßen Montagevorrichtung ist die Klemmeinheit fluidisch angetrieben. Zudem ist die Stemmeinheit in einer weiteren vorteilhaften Ausgestaltung fluidisch angetrieben. Fluidisch umfasst dabei hydraulische oder pneumatische Antriebsarten.In a further advantageous embodiment of the mounting device according to the invention, the clamping unit is fluidly driven. In addition, the caulking unit is fluidically driven in a further advantageous embodiment. Fluidic includes hydraulic or pneumatic drive types.

Die Montagevorrichtung ist dadurch mittels gängiger Fluidaggregate, wie sie in Produktionsstätten häufig anzutreffen sind, antreibbar.The mounting device is characterized by means of common fluid aggregates, as they are commonly encountered in manufacturing plants drivable.

In einer weiteren vorteilhaften Ausgestaltung der erfindungsgemäßen Montagevorrichtung ist der Stemmkolben mit einem Anschlagteil versehen.In a further advantageous embodiment of the mounting device according to the invention the Stemmkolben is provided with a stop member.

Die Anordnung des Anschlagteils am Stemmkolben erleichtert die Handhabung der erfindungsgemäßen Montagevorrichtung, da das Anschlagteil nicht zusätzlich in Position gehalten werden muss.The arrangement of the abutment part on the stemming piston facilitates the handling of the mounting device according to the invention, since the abutment part does not have to be additionally held in position.

In dem erfindungsgemäßen Montageverfahren wird eine zu montierende Leitschaufel dadurch in einer Schaufelnut einer Turbine befestigt, dass die zu montierende Leitschaufel mittels einer erfindungsgemäßen Montagevorrichtung in Montagerichtung die Schaufelnut entlanggetrieben wird, zu einer mit einem Stemmstück versehenen Stelle. Durch das Stemmstück wird die Leitschaufel wie gehabt fixiert.In the assembly method according to the invention, a guide vane to be mounted is thereby fastened in a blade groove of a turbine in such a way that the vane to be mounted is driven along the vane groove in the mounting direction by means of a mounting device according to the invention Stemmstück provided place. Through the Stemmstück the vane is fixed as usual.

Das erfindungsgemäße Montageverfahren ist schneller und einfacher für den Monteur als bisherige Montageverfahren zum selben Zweck.The assembly method according to the invention is faster and easier for the fitter than previous assembly method for the same purpose.

Ausführungsbeispiele der Erfindung werden anhand der Zeichnungen und der nachfolgenden Beschreibung näher erläutert. Es zeigen:

Figur 1
eine erfindungsgemäße Montagevorrichtung,
Figur 2
eine Klemmeinheit der Montagevorrichtung und
Figur 3
ein erfindungsgemäßes Montageverfahren.
Embodiments of the invention will be explained in more detail with reference to the drawings and the description below. Show it:
FIG. 1
a mounting device according to the invention,
FIG. 2
a clamping unit of the mounting device and
FIG. 3
an inventive assembly method.

In der Figur 1 ist eine erfindungsgemäße Montagevorrichtung 10 zur Montage einer zu montierenden Leitschaufel 34 in einer beispielhaften Ausgestaltung schematisch dargestellt. Die erfindungsgemäße Montagevorrichtung 10 weist eine Klemmeinheit 11 und eine Stemmeinheit 12 auf. Die Klemmeinheit 11 ist in einer beispielhaften Ausgestaltung in der Figur 2 schematisch in einer Arbeitsposition dargestellt. In der Figur 3 ist die erfindungsgemäße Montagevorrichtung 10 in der Arbeitsposition beispielhaft bei der Ausübung des erfindungsgemäßen Montageverfahrens 40 gezeigt.In the FIG. 1 a mounting device 10 according to the invention for mounting a guide vane 34 to be mounted in an exemplary embodiment is shown schematically. The mounting device 10 according to the invention has a clamping unit 11 and a caulking unit 12. The clamping unit 11 is in an exemplary embodiment in the FIG. 2 shown schematically in a working position. In the FIG. 3 If the assembly device 10 according to the invention is shown in the working position by way of example during the execution of the assembly method 40 according to the invention.

Die Klemmeinheit 11 ist erfindungsgemäß in der Weise ausgebildet, dass die Klemmeinheit 11 geeignet ist, in einer Schaufelnut 32 einer Turbine 31, in der die zu montierende Leitschaufel 34 montiert werden soll, einen Kraftschluss in eine Umfangsrichtung 24 zu erzeugen. Die Umfangsrichtung 24 ist dabei in der Arbeitsposition der Montagevorrichtung 10 eine senkrecht zu einer Rotationsachse 30 der Turbine 31, in gleichbleibenden Abstand um die Rotationsachse 30 herumführende Richtung. Die Umfangsrichtung 24 entspricht damit dem Verlauf der Schaufelnut 32.The clamping unit 11 is formed according to the invention in such a way that the clamping unit 11 is adapted to generate a frictional connection in a circumferential direction 24 in a blade groove 32 of a turbine 31, in which the guide vane 34 to be mounted is to be mounted. The circumferential direction 24 is in the working position of the mounting device 10 a perpendicular to a rotation axis 30 of the turbine 31, at a constant distance around the rotation axis 30 around Direction. The circumferential direction 24 thus corresponds to the course of the blade groove 32.

Die Stemmeinheit 12 ist erfindungsgemäß in der Umfangsrichtung 24 hinter der Klemmeinheit 11 angeordnet. Die Stemmeinheit 12 ist damit in der Umfangsrichtung 24 gegen die Klemmeinheit 11 abgestützt. Zwischen der Klemmeinheit 11 und der Stemmeinheit 12 kann in Umfangsrichtung 24 ein Formschluss hergestellt sein. Es ist auch möglich, dass die Klemmeinheit 11 und die Stemmeinheit 12 ein gemeinsames Gehäuse aufweisen, wodurch die Abstützung realisiert ist.The caulking unit 12 is arranged according to the invention in the circumferential direction 24 behind the clamping unit 11. The caulking unit 12 is thus supported in the circumferential direction 24 against the clamping unit 11. Between the clamping unit 11 and the caulking 12 can be made in the circumferential direction 24 a positive connection. It is also possible that the clamping unit 11 and the caulking 12 have a common housing, whereby the support is realized.

Die Stemmeinheit 12 weist erfindungsgemäß einen Stemmkolben 15 auf und ist in der Weise ausgebildet, dass die Stemmeinheit 12 geeignet ist, in eine Montagerichtung 16 eine Stemmkraft mittels des Stemmkolbens 15 aufzubringen. Die Montagerichtung 16 ist dabei entgegengesetzt der Umfangsrichtung 24 gerichtet.According to the invention, the caulking unit 12 has a caulking piston 15 and is designed in such a way that the caulking unit 12 is suitable for applying a caulking force in a mounting direction 16 by means of the caulking piston 15. The mounting direction 16 is opposite to the circumferential direction 24 directed.

Die Klemmeinheit 11 und/oder die Stemmeinheit 12 sind insbesondere fluidisch angetrieben. Sie können pneumatisch oder auch hydraulisch angetrieben sein. Der Stemmkolben 15 der Stemmeinheit ist insbesondere ein Pneumatikkolben eines Pneumatikzylinders oder ein Hydraulikkolben eines Hydraulikzylinders. In der Figur 1 ist die erfindungsgemäße Montagevorrichtung über Versorgungsleitungen 14 mit einem Fluidaggregat 13 verbunden, welches die zum Betrieb der Montagevorrichtung 10 erforderlichen fluidischen Drücke beziehungsweise Unterdrücke erzeugt. Das Fluidaggregat 13 und die Versorgungsleitungen 14 können auch Bestandteil der Montagevorrichtung 10 sein.The clamping unit 11 and / or the caulking unit 12 are in particular driven fluidically. They can be driven pneumatically or hydraulically. The caulking piston 15 of the caulking unit is in particular a pneumatic piston of a pneumatic cylinder or a hydraulic piston of a hydraulic cylinder. In the FIG. 1 the mounting device according to the invention is connected via supply lines 14 with a fluid assembly 13, which generates the required for the operation of the mounting device 10 fluid pressures or negative pressures. The fluid assembly 13 and the supply lines 14 may also be part of the mounting device 10.

In Montagerichtung 16 vor dem Stemmkolben 15 ist in der Figur 1 ein Anschlagteil 17 angeordnet. Das Anschlagteil besteht aus einem im Vergleich zur zu montierenden Leitschaufel 34 weichen Material, um die Leitschaufel nicht zu beschädigen. Das Anschlagteil ist insbesondere aus Bronze, Messing oder Kupfer gefertigt. Das Anschlagteil 17 kann ebenfalls Bestandteil der Montagevorrichtung 10 und fest mit dem Stemmkolben 15 verbunden sein.In mounting direction 16 in front of the stemming piston 15 is in the FIG. 1 a stop member 17 is arranged. The abutment part consists of a material which is soft compared to the guide vane 34 to be mounted in order not to damage the vane. The stop member is made in particular of bronze, brass or copper. The stop member 17 may also be part the mounting device 10 and be firmly connected to the stemming piston 15.

Zur Herstellung des Kraftschlusses in Umfangsrichtung ist die Klemmeinheit 11 insbesondere mit einem Klemmkolben 19 und einer Klemmgabel 18 versehen. Die Klemmgabel 18 weist dabei zumindest einen oberen Gabelarm 21 mit einer Gabelschräge 25 auf. In der in der Figur 2 gezeigten Ausgestaltung umfasst die Klemmgabel 18 zudem einen unteren Gabelarm 22. Zwischen dem oberen Gabelarm 21 und dem unteren Gabelarm 22 ist der Klemmkolben 19 hierbei geführt. Der Klemmkolben 19 ist hier verfahrbar angeordnet. Der Klemmkolben 19 lässt sich hier in eine Klemmrichtung 23 und entgegengesetzt zur Klemmrichtung 23 verschieben.To produce the frictional connection in the circumferential direction, the clamping unit 11 is provided in particular with a clamping piston 19 and a clamping fork 18. The clamping fork 18 has at least one upper fork arm 21 with a fork bevel 25. In the in the FIG. 2 shown embodiment, the clamping fork 18 also includes a lower fork arm 22. Between the upper fork arm 21 and the lower fork arm 22 of the clamping piston 19 is guided in this case. The clamping piston 19 is arranged here movable. The clamping piston 19 can be moved here in a clamping direction 23 and opposite to the clamping direction 23.

Der Klemmkolben weist insbesondere eine Kolbenschräge 20 auf. Die Kolbenschräge 20 liegt insbesondere an der Gabelschräge 25 an. Beim Verfahren des Klemmkolbens 19 in Klemmrichtung 23 wird die Gabelschräge 25 quer zur Klemmrichtung 23 verschoben. In der Figur 2 wird beim Verfahren des Klemmkolbens 19 in Klemmrichtung 23 der obere Gabelarm 21 in Pressrichtung 26 gedrückt. Der obere Gabelarm 21 wird in der Arbeitsposition dadurch an eine Wand der Schaufelnut 32 gepresst.The clamping piston has in particular a piston bevel 20. The piston bevel 20 rests in particular on the fork slope 25. When moving the clamping piston 19 in the clamping direction 23, the fork bevel 25 is moved transversely to the clamping direction 23. In the FIG. 2 is pressed in the clamping direction of the clamping piston 19 in the clamping direction 23 of the upper fork arm 21 in the pressing direction 26. The upper fork arm 21 is thereby pressed in the working position on a wall of the blade groove 32.

Die Klemmrichtung 23 verläuft in der Arbeitsposition der erfindungsgemäßen Montagevorrichtung 10 radial zur Rotationsachse 30. Die Pressrichtung 26 verläuft quer zur Klemmrichtung 23 und im Wesentlichen parallel zur Rotationsachse 30.The clamping direction 23 extends in the working position of the mounting device 10 according to the invention radially to the axis of rotation 30. The pressing direction 26 extends transversely to the clamping direction 23 and substantially parallel to the axis of rotation 30th

Der Klemmkolben 19 ist insbesondere ein Pneumatikkolben eines Pneumatikzylinders oder ein Hydraulikkolben eines Hydraulikzylinders.The clamping piston 19 is in particular a pneumatic piston of a pneumatic cylinder or a hydraulic piston of a hydraulic cylinder.

In den in den Figuren 2 und 3 gezeigten Beispielen verfügt die Schaufelnut 32 über eine in einem Vorsprung 39 positionierte axiale Stemmnut 35 und eine radiale Stemmnut 37. Die Ausgestaltung der hier gezeigten Schaufelnut 32 entspricht damit der gängigen Weise. Die axiale Stemmnut 35 ist zur Einlage eines axialen Stemmstücks 36 und die radiale Stemmnut 37 zur Einlage eines radialen Stemmstücks 38 vorgesehen. Dadurch, dass das axiale Stemmstück 36 ein Übermaß aufweist, wird eine an dieser Stelle positionierte Leitschaufel 33 in der Schaufelnut 32 fixiert. Das Verschieben der zu montierenden Leitschaufel 34 auf die Stelle in der Schaufelnut 32 mit den eingelegten Stemmstücken 36, 38 ist Aufgabe des erfindungsgemäßen Montageverfahrens 40.In the in the Figures 2 and 3 As shown, the blade groove 32 has an axial stemming groove 35 positioned in a projection 39 and a radial caulking groove 37. The configuration of the blade groove 32 shown here thus corresponds to the conventional manner. The axial Stemmnut 35 is for insertion an axial Stemmstücks 36 and the radial Stemmnut 37 for inserting a radial Stemmstücks 38 is provided. Due to the fact that the axial caulking piece 36 has an oversize, a guide blade 33 positioned in this position is fixed in the blade groove 32. The displacement of the guide blade 34 to be mounted on the location in the blade groove 32 with the inserted caulking pieces 36, 38 is the task of the assembly method 40 according to the invention.

In der Figur 3 wird das erfindungsgemäße Montageverfahren 40 dargestellt. In dem erfindungsgemäßen Montageverfahren 40 wird die zu montierende Leitschaufel 34 in der Schaufelnut 32 der Turbine 31 befestigt.In the FIG. 3 the inventive assembly method 40 is shown. In the assembly method 40 according to the invention, the guide vane 34 to be mounted is fastened in the vane groove 32 of the turbine 31.

In der gezeigten Situation sind bereits zwei Leitschaufeln 33 in der Schaufelnut 32 in ihrer Endposition. Die zu montierende Leitschaufel 34 soll in Richtung der schon montierten leitschaufeln 33 verschoben werden. In der Endposition der noch zu montierenden Leitschaufel 34 sind hier bereits die Stemmstücke 36 und 38 eingelegt. Hieran schließt das erfindungsgemäße Montageverfahren 40 an und die zu montierende Leitschaufel 34 wird mittels der Montagevorrichtung 10 in Montagerichtung 16 die Schaufelnut 32 entlanggetrieben.In the situation shown, two vanes 33 in the blade groove 32 are already in their final position. The vane 34 to be mounted is to be moved in the direction of the already mounted guide vanes 33. In the final position of the still to be mounted vane 34, the Stemmstücke 36 and 38 are already inserted here. This is followed by the mounting method 40 according to the invention and the guide blade 34 to be mounted is driven along the blade groove 32 by means of the mounting device 10 in the mounting direction 16.

Die Montagevorrichtung 10 und gegebenenfalls das Anschlagteil 17 sind in der Abbildung bereits in Arbeitsposition gebracht. Zunächst wird mittels der Klemmeinheit 11 ein Kraftschluss zwischen Montagevorrichtung 10 und Schaufelnut 32 in Umfangsrichtung hergestellt, insbesondere durch Ausfahren des Klemmkolbens 19 in Klemmrichtung 23. Nach Herstellung des Kraftschlusses wird anschließend der Stemmkolben 15 betätigt, der eine Kraft in Montagerichtung 16 ausübt. Zwischen dem Stemmkolben 15 und der zu montierenden Leitschaufel 34 ist das Anschlagteil 17 angeordnet. Das Anschlagteil 17 überträgt die vom Stemmkolben 15 aufgebrachte Kraft in Montagerichtung 16 auf die zu montierende Leitschaufel 34 und schiebt diese dadurch in Richtung ihrer Endposition.The mounting device 10 and optionally the stop member 17 are already brought into the working position in the figure. First, by means of the clamping unit 11, a frictional connection between the mounting device 10 and blade groove 32 in the circumferential direction is produced, in particular by extending the clamping piston 19 in the clamping direction 23. After the frictional connection is established, the stemming piston 15 is then actuated, which exerts a force in the mounting direction 16. Between the stemming piston 15 and the guide vane 34 to be mounted, the stop member 17 is arranged. The stop member 17 transmits the force applied by the stemming piston 15 in the mounting direction 16 on the guide vane 34 to be mounted and thereby pushes them in the direction of their final position.

Obwohl die Erfindung im Detail durch das bevorzugte Ausführungsbeispiel näher illustriert und beschrieben wurde, so ist die Erfindung nicht durch die offenbarten Beispiele eingeschränkt und andere Variationen können vom Fachmann hieraus abgeleitet werden, ohne den Schutzumfang der Erfindung zu verlassen.Although the invention has been further illustrated and described in detail by the preferred embodiment, the invention is not limited by the disclosed examples, and other variations can be derived therefrom by those skilled in the art without departing from the scope of the invention.

Claims (6)

  1. Mounting device (10) for mounting a guide vane (34), which is to be mounted, in a vane slot (32) of a turbine (31),
    characterized in that the mounting device comprises a jamming unit (11) and a caulking unit (12),
    wherein the jamming unit (11) is designed to generate, in the vane slot (32), a force fit in a circumferential direction (24),
    wherein the circumferential direction (24) is a direction which, in the working position of the mounting device (10), encircles perpendicular to an axis of rotation (30) of the turbine (31), at a constant distance around the axis of rotation (30),
    wherein the caulking unit (12) is arranged behind the jamming unit (11) in the circumferential direction (24) and the caulking unit (12) bears against the jamming unit (11) in the circumferential direction (24), and wherein the caulking unit (12) is designed to apply, by means of a caulking piston (15), a caulking force in a mounting direction (16) opposite to the circumferential direction (24), and to transmit this force to the guide vane (34) which is to be mounted.
  2. Mounting device (10) according to Claim 1,
    wherein the jamming unit (11) comprises a jamming piston (19) which is provided with a piston bevel (20) and can be moved in a jamming direction (23) against a fork bevel (25) of a jamming fork (18).
  3. Mounting device (10) according to Claim 1 or 2, wherein the jamming unit (11) is fluidically driven.
  4. Mounting device (10) according to one of Claims 1 to 3,
    wherein the caulking unit (12) is fluidically driven.
  5. Mounting device (10) according to one of Claims 1 to 4,
    wherein the caulking piston (15) is provided with an endstop part (17).
  6. Mounting method (40),
    in which a guide vane (34), which is to be mounted, is secured in a vane slot (32) of a turbine (31) in that the guide vane (34), which is to be mounted, is driven, by means of a mounting device (10) according to one of Claims 1 to 5, along the vane slot (32) in the mounting direction (16), to a point provided with a caulking piece (36).
EP14771282.2A 2013-11-05 2014-09-18 Mounting device and mounting method of a vane Not-in-force EP3042042B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP14771282.2A EP3042042B1 (en) 2013-11-05 2014-09-18 Mounting device and mounting method of a vane
PL14771282T PL3042042T3 (en) 2013-11-05 2014-09-18 Mounting device and mounting method of a vane

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP20130191584 EP2868868A1 (en) 2013-11-05 2013-11-05 Mounting device and mounting method of a vane
EP14771282.2A EP3042042B1 (en) 2013-11-05 2014-09-18 Mounting device and mounting method of a vane
PCT/EP2014/069854 WO2015067395A1 (en) 2013-11-05 2014-09-18 Mounting device and mounting method

Publications (2)

Publication Number Publication Date
EP3042042A1 EP3042042A1 (en) 2016-07-13
EP3042042B1 true EP3042042B1 (en) 2017-08-16

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ID=49518808

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Application Number Title Priority Date Filing Date
EP20130191584 Withdrawn EP2868868A1 (en) 2013-11-05 2013-11-05 Mounting device and mounting method of a vane
EP14771282.2A Not-in-force EP3042042B1 (en) 2013-11-05 2014-09-18 Mounting device and mounting method of a vane

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20130191584 Withdrawn EP2868868A1 (en) 2013-11-05 2013-11-05 Mounting device and mounting method of a vane

Country Status (8)

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US (1) US20160265374A1 (en)
EP (2) EP2868868A1 (en)
JP (1) JP6227795B2 (en)
KR (1) KR101834103B1 (en)
CN (1) CN105705733B (en)
PL (1) PL3042042T3 (en)
RU (1) RU2655428C2 (en)
WO (1) WO2015067395A1 (en)

Citations (1)

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GB190900581A (en) * 1909-01-09 1909-05-27 Johannes Joachim Dahl Improvements in or relating to Apparatus for Fixing Turbine Blades.

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JP6227795B2 (en) 2017-11-08
CN105705733A (en) 2016-06-22
KR20160082688A (en) 2016-07-08
RU2655428C2 (en) 2018-05-28
EP2868868A1 (en) 2015-05-06
PL3042042T3 (en) 2018-01-31
US20160265374A1 (en) 2016-09-15
WO2015067395A1 (en) 2015-05-14
CN105705733B (en) 2017-04-12
JP2016537562A (en) 2016-12-01
EP3042042A1 (en) 2016-07-13
RU2016121659A (en) 2017-12-11
KR101834103B1 (en) 2018-03-02

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