WO2010102950A2 - Dispositif de positionnement vertical et horizontal de supports de pales directrices dans le carter de turbine, à l'état monté - Google Patents

Dispositif de positionnement vertical et horizontal de supports de pales directrices dans le carter de turbine, à l'état monté Download PDF

Info

Publication number
WO2010102950A2
WO2010102950A2 PCT/EP2010/052792 EP2010052792W WO2010102950A2 WO 2010102950 A2 WO2010102950 A2 WO 2010102950A2 EP 2010052792 W EP2010052792 W EP 2010052792W WO 2010102950 A2 WO2010102950 A2 WO 2010102950A2
Authority
WO
WIPO (PCT)
Prior art keywords
turbine
positioning
adjusting
turbine element
receiving opening
Prior art date
Application number
PCT/EP2010/052792
Other languages
German (de)
English (en)
Other versions
WO2010102950A3 (fr
Inventor
Klaus Lochner
Andreas Mucha
Original Assignee
Siemens Aktiengesellschaft
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 Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2010102950A2 publication Critical patent/WO2010102950A2/fr
Publication of WO2010102950A3 publication Critical patent/WO2010102950A3/fr

Links

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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F01D25/246—Fastening of diaphragms or stator-rings
    • 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
    • F05D2230/644—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins for adjusting the position or the alignment, e.g. wedges or eccenters

Definitions

  • the present invention relates to a positioning system for positioning a first turbine element of a turbine and a second turbine element of the turbine to each other and a method for positioning a first turbine element and a second turbine element of a turbine to each other.
  • vane carriers are attached to the outer turbine casing.
  • the vane carriers have fixed vanes which direct the internal flow in a predefined manner.
  • the guide vane carriers In order to accurately implement a predefined flow of the fluid in a turbine, the guide vane carriers must be exactly aligned with the guide vanes. In this case, the guide vanes with the vanes must be arranged in an exactly predefined position with respect to the rotor blades of the rotor to provide the predefined flow of the fluid and to produce the predefined function-related games between vanes and rotor or blades and Leitmaschinen.
  • Passing elements implemented. These mating elements are inserted between the vane support and the turbine housing to match the previously measured position of the vane support with a desired position of the vane support.
  • the Ka- Lottenschrauben can be arranged in a Sectionfugenflansch the vane carrier.
  • the invention has for its object to position turbine elements in a simple manner to each other.
  • a positioning system for positioning a first turbine element of a turbine and a second turbine element of the turbine to each other.
  • the positioning system has a positioning element with a first area and a second area.
  • the positioning system has an actuating element.
  • the positioning element can be fastened in a form-fitting manner to the first region in a fitting opening in the first turbine element.
  • the positioning element can be fastened in a form-fitting manner to the second region in a receiving opening of the second turbine element by means of the adjusting element.
  • the position of the positioning element in the receiving opening is adjustable relative to the second turbine element.
  • positioning element can be understood to mean an element which is connected to the first turbine element in a form-fitting and fixed manner in all three spatial directions with a first region, so that the alignment is achieved by adjustment and movement or adjustment of the second region in a second turbine element the first turbine element can be moved and thus aligned.
  • the positioning element may, for example, a sheet-metal element or for example, form a so-called support claw.
  • the positioning element may further comprise a centering pin or other cylindrical, rectangular or wedge-shaped shapes.
  • the first region of the positioning element may, for example, have the same shape and the same dimensions as the fitting opening of the first turbine element, so that a positive connection can be provided. In other words, relative movement, twisting or misalignment of the positioning element with respect to the first turbine element can thus be prevented.
  • the second region of the positioning element can be fixed in the receiving opening of the second turbine element such that at least one degree of freedom is present in its movement in the receiving opening. Contrary to this at least one degree of freedom, the actuator can act. In other words, the actuator may fix the positioning member in the receiving opening such that movement of the positioning member relative to the second turbine element along one degree of freedom is prevented.
  • the adjusting element can be actuated in such a way that the positioning element can be adjusted in a defined manner relative to the second turbine element along the degree of freedom, so that a positioning of the positioning element along the degree of freedom with respect to the second turbine element can be set.
  • the positioning element can be positively fastened in the fitting opening of the first turbine element, so that there are no movement tolerances between the positioning element and the first turbine element.
  • Such a positive connection of the positioning element in the fitting opening of the first turbine element can be achieved by the integration of engages the positioning element in the fitting opening arise. In such a positive connection, the forces caused by the operating load are transmitted via the connecting surfaces of the positioning element and the first turbine element.
  • the positioning element With the second region, the positioning element can be introduced and secured in the receiving opening of the second turbine element.
  • the positioning element by means of the adjusting element can be positively connected to the second turbine element.
  • the degree of freedom of the movement of the positioning element extends in the direction of the extension direction of the actuating element. Only the adjusting element allows a fixation of the second region of the positioning element along the degree of freedom.
  • the actuating element in turn, can be arranged in the receiving opening in a force-locking or form-fitting manner, so that a movement along the degree of freedom is prevented.
  • the adjusting element allows adjustment or positioning of the second region of the positioning element along the degree of freedom. Since the first region of the positioning member is fixedly connected to the first turbine element, changing the position of the side region along the actuator also means changing the position of the first turbine element along the first degree of freedom and thus changing the position of the first turbine element relative to the second turbine element ,
  • the adjusting element may, for example, have a hexagon socket, so that an adjustment can be made by means of a screw locking ice.
  • the fitting opening and / or the receiving opening may be bores in the turbine elements.
  • the passport opening and / or the receiving opening grooves in a surface of the turbine elements which may have a variety of shapes and contours.
  • the present invention provides a positioning system in which a multiple assembly of turbine elements for positioning is no longer necessary and in which no cross-sectional influencing alignment elements must be used.
  • the first and the second turbine element can be connected to each other with the positioning element and be adjusted in position relative to each other via the adjusting element.
  • a repeated dismantling of the turbine elements during alignment and positioning is not necessary.
  • the positioning element has a through-hole.
  • the adjusting element is arranged in the through hole.
  • the adjusting element is fixed in a blind hole of the positioning element.
  • the through hole in the positioning element there is the possibility that the adjusting element is formed at its upper and lower end along its direction of extension a frictional contact with the receiving opening of the second turbine element. In this way, a larger positioning path and thus a more flexible positioning can be provided and, on the other hand, an improved transmission of force can be provided over two sides or over the two ends of the actuating element.
  • the actuating element and the positioning element form a screw connection.
  • the positioning of the positioning element in the receiving opening relative to the second turbine element can be adjusted by screwing the adjusting element.
  • the adjusting element can be screwed into, for example, the through hole or the blind hole of the positioning element.
  • the screwing-in direction can be formed parallel to the first degree of freedom of the movement of the positioning element relative to the second turbine element.
  • the actuating element has a lock nut.
  • the lock nut is rotatable along the adjusting element against the positioning element in order to provide an anti-rotation lock of the actuating element. len.
  • a locknut or locknut a nut can be referred to, which is rotated against a surface of the adjusting nut (eg the adjusting element) or against a surface of the positioning element.
  • the nut thus braces itself with the surface of the positioning element or with the surface of the adjusting element itself, so that in this way an increase in the frictional force between the surfaces is produced, thus providing a security against rotation.
  • an undesired adjustment of the positioning element with respect to the second turbine element can be prevented. If the adjusting element is connected to the positioning element by means of the screw connection, the frictional force in the thread flanks can be increased by the lock nut, as a result of which an anti-twist protection can be provided.
  • the positioning system has a (cylinder) pin for fixing the first region of the positioning element in the fitting opening in the first turbine element.
  • the fitting opening can completely surround the positioning element, so that a movement in all spatial directions between the positioning element and the first turbine element is prevented by a pure positive connection.
  • an open fitting opening or a groove-like fitting opening in which, for example, there is an open surface a movement of the receiving element in the direction of the open surface and thus out of the fitting opening must be prevented via a pure adhesion.
  • the pin can be used here, which is set up in such a way that a movement of the positioning element in the direction of the open surface is prevented.
  • the pin may have a cylindrical, rectangular, polygonal or wedge-shaped form.
  • one side of the receiving opening is formed with a fitting piece, wherein the fitting piece by means of a shim on the second Turbine element is fastened.
  • the receiving opening may thus have an open side, through which the positioning element can be inserted with the actuator quickly and easily into the receiving opening. After inserting the positioning element in the receiving opening, the open side can be closed with the fitting, so that a fixation of the positioning element is provided.
  • the fitting piece forms one side of the receiving opening, whereby this side of the receiving opening can be removed flexibly in order to ensure simple attachment of the
  • the dowel screw may be mounted in the second turbine element.
  • a turbine comprising a first turbine element and a second turbine element. Furthermore, the connection system has the positioning system described above. The positioning system is configured to position the first turbine element and the second turbine element relative to one another.
  • connection system further comprises a connection pin.
  • the first turbine element and the second turbine element are rotatable relative to one another about an axis of rotation.
  • the connecting bolt is arranged along the axis of rotation, wherein the connecting bolt rotatably supports the first turbine element and the second turbine element.
  • the axis of rotation may be arranged eccentrically to the central axes of rotation of the first turbine element and the second turbine element. Furthermore, the axis of rotation can run parallel to a turbine central axis. Thus, upon rotation of the first turbine element and the second turbine element relative to one another around the axis of rotation, a vertical and a horizontal positioning between the first turbine element and the second turbine element are made possible. Furthermore, the connecting bolt supports the power transmission between the first turbine element and the second turbine element, so that a tighter connection between the first turbine element and the second turbine element is made possible.
  • connection system the first turbine element and / or the second turbine element for receiving the connecting bolt on a slot.
  • the connecting bolt is slidably mounted along the slot.
  • the first turbine element and / or the second turbine element are selected from the group consisting of turbine housings and vane carriers.
  • two vane supports, two turbine housings or one vane support and one turbine housing can be fastened and aligned by means of the positioning system or the connection system.
  • a method of positioning a first turbine element and a second turbine element of a turbine as described above relative to one another is provided.
  • the adjusting element is adjusted such that the position of the adjusting element in the receiving opening is changed relative to the second turbine element.
  • the figure shows a schematic representation of an exemplary embodiment of the positioning system for positioning second turbine elements.
  • the positioning system 100 for positioning a first turbine element 101 of a turbine and a second turbine element 102 of the turbine to each other is shown.
  • the positioning system 100 has a positioning element 103 with a first area 104 and a second area 105. Furthermore, the positioning system 100 has an actuating element 106.
  • the positioning element 103 can be fastened in a form-fitting manner to the first region 104 in a fitting opening 107 in the first turbine element 101.
  • the positioning element 103 can be fastened to the second region 105 in a receiving opening 108 of the second turbine element 102 by means of the adjusting element 106.
  • a positioning of the positioning element 103 in the receiving opening 108 relative to the second turbine element 102 is adjustable.
  • the actuator 106 is attached in the second region 105 of the positioning element 103.
  • the adjusting element 106 can be fastened in a through hole 109 in the positioning element 103.
  • the through hole 109 may have an internal thread and the adjusting element 106 has a complementary external thread, so that the adjusting element 106 can be screwed into the through hole 109.
  • the adjusting element 106 may have a hexagon socket 117 in order to adjust the adjusting element 106 with, for example, a screwdriver.
  • the receiving opening 108 can be dimensioned larger than the area of the second region 105 of the positioning element 103, so that the positioning element 103 can be stored in the receiving opening 108 in a playful manner, for example.
  • a frictional connection can be provided by means of the adjusting element 106, in that the adjusting element 106 abuts a wall of the receiving opening 108, for example at its screw end and on its screw head, and thus provides a frictional connection which fixes the positioning element 103 relative to the second turbine element 102.
  • the positioning element 103 can be moved and fixed along the direction of the screw. Since the positioning element 103 is fastened with its first region 104 in a play-free and form-fitting manner in the fitting opening 107 of the first turbine element 101, an adjustment of the position of the positioning element 103 relative to the second turbine element 102 is effected and also a change or positioning of the position of the first turbine element 101 relative to the second turbine element 102.
  • the fitting opening 107 and / or the receiving opening 108 may be at an edge region of the first turbine element 101 and / or the second turbine element 102.
  • the receiving opening 108 can be produced in an edge region of the second turbine element 102 in such a way that the receiving opening 108 has an open side.
  • the positioning element 103 Over the open side of the receiving opening 108, the positioning element 103 can be inserted in a simple manner.
  • a fitting 112 is used, which is fixed by means of a fitting screw 113, which can be fixed to the second turbine element 102 itself.
  • the frictional connection of the adjusting element 106 can thus be performed, for example, at its screw head via the fitting piece 112 in the second turbine element 102.
  • the figure further shows a lock nut 110, with which a rotation of the adjusting element 106 can be provided.
  • the lock nut can be screwed, for example, against a surface of the positioning element 103 or against the screw head of the adjusting element 106, whereby on the one hand a frictional force between the surfaces and on the other hand an increase of the frictional force in the thread flanks is caused, whereby a rotation of the adjusting element 106 is prevented.
  • the anti-twist device via the lock nut 110, an automatic adjustment of the adjusting element 106 and thus the positioning of the first turbine element 101 relative to the second turbine element 102 can be prevented.
  • the first turbine element 101 and / or the second turbine element 102 may have, for example, a guide blade carrier or a turbine housing.
  • the guide blade carrier and the turbine housing may, for example, have the shape of a hollow cylinder or a circular ring. As shown in the figure, in addition, half shells of the first turbine element 101 and / or the second turbine element
  • the first turbine element 101 and the second turbine element 102 may further comprise an axis of rotation 115 and be rotatable relative to each other along the axis of rotation 115 by means of a connecting pin 114.
  • the connecting bolt 114 can be mounted in a slot 116 at least in the first turbine element 101 or in the second turbine element 102, so that no tension is caused when the first turbine element 101 is positioned relative to the second turbine element 102.
  • the connecting bolt 114 can also be mounted in a sliding bearing element 119 in order to reduce wear.
  • the rotation axis 115 may further extend parallel to a turbine central axis 118.
  • the figure shows a pin 111 which can be fastened to the first region 104 of the positioning element 103 and thus to provide an additional fastening of the positioning element 103 in the fitting opening 107 of the first turbine element 101.
  • the positioning element 103 can be fitted in a (horizontal) fitting opening 107 of the first turbine element 101 and further be fitted in the direction of the second turbine element 102 below and parallel to, for example, a housing part of the second turbine element 102.
  • the vertically arranged pin or cylinder pin 111 can secure the positioning element 103 with its first region 104 from slipping out.
  • the first turbine element 101 can be aligned relative to the second turbine element 102 via a set screw (arranged vertically in the positioning element 103).
  • a lock nut 110 can be made possible as a rotation of the adjusting element 106 by locking.
  • the fitting piece 112 By means of the fitting piece 112 on an edge or on an open side of the receiving opening 108, even in the case of a mounted turbine, a lifting and an anti-rotation lock of the first turbine element 101 relative to the second turbine element 102 can be ensured.
  • the positioning of the first turbine element 101 relative to the second turbine element 102 in the vertical and horizontal directions even at mounted turbine done.
  • the assembly process of the entire turbine is shortened, since a faster alignment by means of the positioning system 100 is made possible.

Abstract

La présente invention concerne un système de positionnement (100) destiné à positionner l'un par rapport à l'autre un premier élément de turbine (101) d'une turbine et un deuxième élément de turbine (102) de la turbine. Le système de positionnement (100) possède un élément de positionnement (103) avec une première zone (104) et une deuxième zone (105), ainsi qu'un élément de réglage (106). L'élément de positionnement (103) peut être fixé par complémentarité de formes, avec la première zone (104) dans une ouverture d'ajustage (107) du premier élément de turbine (101). L'élément de positionnement (103) peut être fixé à l'aide de l'élément de réglage (106) avec la deuxième zone (105) dans une ouverture de réception (108) du deuxième élément de turbine (102). En déplaçant l'élément de réglage (106), il est possible de régler la position de l'élément de positionnement (103) dans l'ouverture de réception (108) par rapport au deuxième élément de turbine (102).
PCT/EP2010/052792 2009-03-12 2010-03-05 Dispositif de positionnement vertical et horizontal de supports de pales directrices dans le carter de turbine, à l'état monté WO2010102950A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009012751.8 2009-03-12
DE102009012751A DE102009012751A1 (de) 2009-03-12 2009-03-12 Vorrichtung zur vertikalen und horizontalen Positionierung von Leitschaufelträgern in das Turbinengehäuse im eingebauten Zustand

Publications (2)

Publication Number Publication Date
WO2010102950A2 true WO2010102950A2 (fr) 2010-09-16
WO2010102950A3 WO2010102950A3 (fr) 2011-07-07

Family

ID=42628678

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/052792 WO2010102950A2 (fr) 2009-03-12 2010-03-05 Dispositif de positionnement vertical et horizontal de supports de pales directrices dans le carter de turbine, à l'état monté

Country Status (2)

Country Link
DE (1) DE102009012751A1 (fr)
WO (1) WO2010102950A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3003894A1 (fr) * 2013-03-29 2014-10-03 Snecma Organe de verrouillage en rotation pour un distributeur et un anneau d'une turbomachine
US10865659B2 (en) 2014-07-25 2020-12-15 Siemens Aktiengesellschaft Apparatus for orienting a guide vane support relative to a turbine casing

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE726510C (de) * 1940-01-25 1942-10-15 Aeg Trag- und Zentriereinrichtung fuer in der Teilfuge des Gehaeuses unterteilte Leitraeder von Dampf- oder Gasturbinen
US3498727A (en) * 1968-01-24 1970-03-03 Westinghouse Electric Corp Blade ring support
US4204803A (en) * 1978-07-21 1980-05-27 General Electric Company Diaphragm support
US6352405B1 (en) * 2000-08-09 2002-03-05 General Electric Company Interchangeable turbine diaphragm halves and related support system
GB0319002D0 (en) * 2003-05-13 2003-09-17 Alstom Switzerland Ltd Improvements in or relating to steam turbines
US7458770B2 (en) * 2005-11-30 2008-12-02 General Electric Company Adjustable support for steam turbine diaphragms

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3003894A1 (fr) * 2013-03-29 2014-10-03 Snecma Organe de verrouillage en rotation pour un distributeur et un anneau d'une turbomachine
US10865659B2 (en) 2014-07-25 2020-12-15 Siemens Aktiengesellschaft Apparatus for orienting a guide vane support relative to a turbine casing

Also Published As

Publication number Publication date
DE102009012751A1 (de) 2010-09-23
WO2010102950A3 (fr) 2011-07-07

Similar Documents

Publication Publication Date Title
EP2420670B1 (fr) Dispositif de verrouillage de rotor et procédé d'arrêt d'un rotor d'une éolienne
EP1969206B1 (fr) Ensemble de verrouillage pour verrouiller l'interstice restant entre la premiere et la derniere aube d'une couronne d'aubes placees dans une rainure peripherique d'une turbomachine et turbomachine correspondante
EP3350464A1 (fr) Train planétaire destiné à une éolienne, muni de pignons satellites montés sur palier lisse
EP3333374A1 (fr) Réglage d'aube directrice pourvu de levier de réglage monté latéral et procéde associé
DE112013003905T5 (de) Befestigungsvorrichtung zum Verbinden von Rotoren einer Rotationsmaschine und Verfahren zum Verbinden von Rotoren
DE112010004596T5 (de) Turbolade
EP3524778B1 (fr) Connexion à levier d'un positionnement d'aube directrice pour turbomachines et procédé de fabrication associé
EP2372202B1 (fr) Couplage d'un élément de positionnement d'une soupape avec un élément de raccordement d'un mécanisme de commande
WO2010102950A2 (fr) Dispositif de positionnement vertical et horizontal de supports de pales directrices dans le carter de turbine, à l'état monté
EP3495625B1 (fr) Aube de turbomachine réglable
EP3097317B1 (fr) Dispositif d'accouplement destiné à relier un embrayage à un ensemble de turbine
DE102008033400B4 (de) Leitschaufelträgeranordnung
EP2952699B1 (fr) Système de composant pour turbines à gaz
EP2522819B1 (fr) Fixation d'un disque de palier axial dans une turbomachine à palier magnétique au moyen d'une frette de serrage
WO2018157958A1 (fr) Étage de turbine muni d'un élément d'accouplement
DE102006050132B3 (de) Statisch überbestimmte Lagerung eines Antriebsaggregats eines Kraftfahrzeugs
EP2505838B1 (fr) Compresseur à piston
EP2536885B1 (fr) Système de prise d'eau doté d'une unité de liaison
DE102013210905A1 (de) Schraubverbindung von mindestens zwei aneinander anliegenden Bauteilen
EP2891229B1 (fr) Motoréducteur
EP3717771B1 (fr) Fixation d'un tube pour conduits
WO2023020655A1 (fr) Aube directrice réglable pour une turbine à gaz, turbine à gaz et procédé d'assemblage d'une aube directrice réglable pour une turbine à gaz
DE102008058384A1 (de) Zahnradanordnung
EP3273070B1 (fr) Dispositif de retenue d'un corps en forme de tige avec support de couple et module rétroactif correspondant
EP3469615B1 (fr) Transmission d'un commutateur de puissance

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10707025

Country of ref document: EP

Kind code of ref document: A2

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 10707025

Country of ref document: EP

Kind code of ref document: A2