EP3143261B1 - Procédé d'alignement d'un support d'aubes directrices par rapport au carter d'une turbine - Google Patents

Procédé d'alignement d'un support d'aubes directrices par rapport au carter d'une turbine Download PDF

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Publication number
EP3143261B1
EP3143261B1 EP15720738.2A EP15720738A EP3143261B1 EP 3143261 B1 EP3143261 B1 EP 3143261B1 EP 15720738 A EP15720738 A EP 15720738A EP 3143261 B1 EP3143261 B1 EP 3143261B1
Authority
EP
European Patent Office
Prior art keywords
adjusting element
guide
guide channel
region
recess
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.)
Active
Application number
EP15720738.2A
Other languages
German (de)
English (en)
Other versions
EP3143261A1 (fr
Inventor
Klaus Lochner
Andreas Mucha
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
Siemens Corp
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, Siemens Corp filed Critical Siemens AG
Priority to PL15720738T priority Critical patent/PL3143261T3/pl
Publication of EP3143261A1 publication Critical patent/EP3143261A1/fr
Application granted granted Critical
Publication of EP3143261B1 publication Critical patent/EP3143261B1/fr
Active 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
    • 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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
    • 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

Definitions

  • the present invention relates to a device for aligning a vane carrier to a housing of a turbine.
  • the invention relates to such a device, comprising a guide device having a first region and a second region, wherein the first region in a receptacle of the guide vane carrier and the second region are arranged in a recess of the housing.
  • the second region of the guide device has a guide channel with a first internal thread, wherein in the guide channel, a first adjusting element is arranged with a first external thread.
  • the first external thread can be screwed to the first internal thread.
  • the first adjusting element can be arranged in the guide channel such that, when the guide device is supported against a support surface of the recess, a force flow from the receptacle to the guide device extends through the first adjusting element.
  • vane carriers are attached to the outer turbine housing.
  • the vane carriers have fixed vanes which direct the internal flow in a predefined manner.
  • the vanes with the vanes must be aligned exactly with the turbine housing or rotor of the turbine. In doing so, the vane carriers with the vanes must be placed in a precisely 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 play between vanes and rotor or vanes and vane carriers.
  • a positioning system for aligning a nozzle carrier of a turbine to a housing of the turbine to each other which has a positioning member having a first region and a second region, and an actuating element.
  • the positioning element can be fastened in a form-fitting manner with the first region in a fitting opening in the guide blade carrier.
  • the positioning element can be fastened to the second area in a receiving opening of the housing by means of the adjusting element.
  • the position of the positioning element in the receiving opening is adjustable relative to the housing.
  • Another positioning system is from the DE 10 2012 202468 B3 known.
  • the document discloses a device for aligning a guide vane carrier to a turbine housing by means of a guide device in which a guide channel is formed with a first internal thread and with two adjusting elements for positioning the guide vane carrier.
  • a device for aligning a vane carrier to a housing of a turbine comprising a guide device having a first region and a second region, wherein the first region in a receptacle of the vane carrier and the second region in a Recess of the housing is arranged.
  • the second region of the guide device has a guide channel with a first internal thread, wherein in the guide channel, a first adjusting element is arranged with a first external thread. The first external thread can be screwed to the first internal thread.
  • the first adjusting element can be arranged in the guide channel such that when the guide device is supported against a support surface of the recess, a force flow from the receptacle to the guide device extends through the first adjusting element.
  • a second adjusting element is arranged with a second external thread, wherein the second external thread with the first internal thread is screwed.
  • the second adjusting element can be arranged in the guide channel in such a way that a force flow from an upper part of the housing to the guide device extends through the second adjusting element.
  • the first adjusting element is secured via a securing device with the second adjusting element in the guide channel against rotation relative to the guide channel.
  • the first adjusting element and the second adjusting element are preferably cylindrically shaped and have a length which ensures that during the adjustment process always a sufficient number of threads with the first internal thread of the guide channel are engaged to forces acting on the device without damaging the thread transferred to. Furthermore, the length of the first adjustment member must allow adjustment of the vane support to the housing and the length of the second adjustment member to allow adjustment of the top to the vane support. The length of the adjusting elements is limited in particular by the fact that an adjusting element may not hinder an adjustment of the respective other adjusting element. Accordingly, it is advantageous if the adjusting elements are arranged spaced apart in the guide channel when adjusting the second adjusting element.
  • the guide blade carrier By rotating the first adjusting element relative to the guide channel, the guide blade carrier can be raised or lowered relative to the housing and thus an adjustment of the guide blade carrier to the housing is possible.
  • a contact surface for the upper part of the housing By rotating the second adjusting element, a contact surface for the upper part of the housing can be raised or lowered and thus an adjustment of the upper part to the guide blade carrier possible.
  • the first region is arranged on the guide blade carrier and the second region on the housing.
  • the first region can be arranged in a receptacle of the housing and the second region in a recess of the guide blade carrier.
  • a relative movement takes place between the guide device and the guide blade carrier during the adjustment process.
  • the advantage of the invention is, in particular, that two adjusting processes can be carried out via a guide device and the adjustment elements used for this purpose can be secured against an adjustment of the adjustment via a single securing device. Furthermore, the device is easy and inexpensive to manufacture and requires compared to conventional devices a significantly reduced number of parts Thus, a slight adjustment of Leitschaufelani to the housing allows and reduced manufacturing and assembly costs.
  • an adjusting means is arranged between the first adjusting element and the support surface of the recess.
  • the adjusting means is preferably disc-shaped.
  • a contact surface of the adjusting means facing the first adjusting element preferably corresponds essentially to a negative of the corresponding surface of the first adjusting means.
  • the adjusting means has a part-circular cross-sectional area.
  • a contact surface of the first adjusting element and adjusting means is formed substantially spherical. It is preferred if the adjusting means has a convex contact surface and the first adjusting element has a concave contact surface. By mating a convex and a corresponding concave surface, relative pivoting of the vane support to the housing about two axes is possible.
  • the device has a first screw for fixing the guide device to the vane carrier. By the first screw prevents the guide device dissolves when cooling the turbine from the recording.
  • the first region can be arranged in a form-fitting manner in the receptacle.
  • Positive locking reliably prevents relative movement of the guide device and the guide blade carrier, while a frictional connection, e.g. by settling phenomena, such relative movements can not always prevent.
  • the first adjusting element has a form-fitting section for engaging a mounting tool which is guided through the guide channel.
  • the second adjusting element is preferably not yet arranged in the guide channel.
  • the second adjusting element can have a passage for a corresponding tool, so that the second adjusting element can also be arranged in the guide channel during the adjustment by means of the first adjusting element.
  • the securing device has a second screw for mutual bracing of the first adjusting element with the second adjusting element in the guide channel. It is preferred if the first adjusting element has a second internal thread for receiving a thread of the second screw and the second adjusting element has a bore for passing the second screw and a contact surface for supporting a screw head of the second screw. This has the advantage that a relative rotation of the adjusting elements to the guide channel can be prevented in a simple manner with only one securing means. As a result, manufacturing and assembly costs are savings.
  • the object is achieved by a housing of a turbine with a vane carrier, wherein between the guide vane and the housing at least one Inventive device is arranged.
  • the adjusting device comprises a device according to the invention.
  • a device 1 according to the invention is shown in a longitudinal section.
  • the device 1 has a guide device 4 with a first region 5 and a second region 6.
  • the first region 5 is arranged in a form-fitting manner in a receptacle 7 of a receiving web of a guide blade carrier 2 and fixed thereto by a first screw 18.
  • the second region 6 is arranged in a recess 8 of a housing 3 and has a guide channel 9 with a continuous first internal thread 10.
  • the first internal thread 10 may also be interrupted, in particular in a middle section.
  • a first adjusting element 11 is arranged with a first external thread 12, so that the first external thread 12 is in engagement with the first internal thread 10.
  • the first adjusting element 11 has a substantially cylindrical base body, which is formed dome-shaped on a support side.
  • the support side is arranged on a part-spherical contact side of an adjusting means 17.
  • Pad side and contact side are formed so that they correspond substantially inversely and thus touch each other in the paired state substantially over its entire surface.
  • the adjusting means 17 is arranged between a support surface 13 of the recess 8 and the first adjusting element 11.
  • a second adjusting element 14 is provided with a second External thread 15 arranged so that the second external thread 15 is in engagement with the first internal thread 10.
  • the second adjusting element 14 has a substantially cylindrical base body and a bore 21 for carrying out a second screw 19 and a contact surface 22 for a screw head 23.
  • the device 1 has a second screw 19, which is guided through the bore 21 of the second adjusting element 14 and arranged with a threaded portion in a second internal thread 20 of the first adjusting element 11.

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)

Claims (10)

  1. Dispositif (1) d'alignement d'un support d'aubes directrices (2) par rapport à un carter (3) d'une turbine, comprenant un moyen de guidage (4) avec un canal de guidage (9) muni d'un premier filetage intérieur (10) ainsi qu'un premier élément d'ajustage (11) et un deuxième élément d'ajustage (14),
    caractérisé en ce que
    le moyen de guidage (4) présente une première zone (5) et une deuxième zone (6), la première zone (5) étant agencée dans un logement (7) du support d'aubes directrices (2) et la deuxième zone (6) dans un évidement (8) du carter (3), dans le canal de guidage (9) étant agencé le premier élément d'ajustage (11) muni d'un premier filetage extérieur (12), ledit premier filetage extérieur (12) pouvant être vissé dans le premier filetage intérieur (10), ledit premier élément d'ajustage (11) pouvant être agencé dans le canal de guidage (9) de telle manière que, lorsque le moyen de guidage (4) est en appui contre une surface d'appui (13) de l'évidement (8), un flux de force va du logement (8) vers le moyen de guidage (4) en traversant le premier élément d'ajustage (11),
    dans le canal de guidage (9) étant agencé le deuxième élément d'ajustage (14) muni d'un deuxième filetage extérieur (15), ledit deuxième filetage extérieur (15) pouvant être vissé dans le premier filetage intérieur (10), ledit deuxième élément d'ajustage (14) pouvant être agencé dans le canal de guidage (9) de telle manière qu'un flux de force va d'une partie supérieure (16) du carter (3) vers le moyen de guidage (4) en traversant le deuxième élément d'ajustage (14), et au moyen d'un dispositif de blocage, ledit premier élément d'ajustage (11) étant bloqué en rotation avec le deuxième élément d'ajustage (14) dans le canal de guidage (9) par rapport audit canal de guidage (9).
  2. Dispositif (1) selon la revendication 1,
    caractérisé en ce que
    un moyen d'ajustage (17) est agencé entre le premier élément d'ajustage (11) et la surface d'appui (13) de l'évidement (8).
  3. Dispositif (1) selon la revendication 2,
    caractérisé en ce que
    une surface de contact du premier élément d'ajustage (11) et du moyen d'ajustage (17) est de forme sensiblement sphérique.
  4. Dispositif (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    ledit dispositif (1) comprend une première vis (18) destinée à fixer le moyen de guidage (4) au support d'aubes directrices (2).
  5. Dispositif (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    la première zone (5) peut être agencée par complémentarité de forme dans le logement (7).
  6. Dispositif (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    le premier élément d'ajustage (11) possède une partie destinée à l'engagement par complémentarité de forme d'un outil de montage passant dans le canal de guidage (8).
  7. Dispositif (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    ledit dispositif de blocage comprend une deuxième vis (19) destinée à serrer ensemble le premier élément d'ajustage (11) et le deuxième élément d'ajustage (14) dans le canal de guidage (9), ledit premier élément d'ajustage (11) étant muni d'un deuxième filetage intérieur (20) destiné à recevoir un filetage de la deuxième vis (19) et ledit deuxième élément d'ajustage (14) étant muni d'un perçage (21) pour le passage de la deuxième vis (19) ainsi que d'une surface d'appui (22) destinée à supporter une tête de vis (23) de la deuxième vis (19).
  8. Carter (3) d'une turbine comprenant un support d'aubes directrices (2),
    caractérisé en ce que
    au moins un dispositif (1) selon l'une des revendications 1 à 7 est agencé entre le support d'aubes directrices (2) et le carter (3).
  9. Procédé d'alignement d'un support d'aubes directrices (2) par rapport à un carter (3) d'une turbine, comprenant les étapes :
    - agencer une première zone (5) d'un dispositif d'ajustage dans un logement (7) d'un support d'aubes directrices (2) ;
    - fixer le dispositif d'ajustage au support d'aubes directrices (2) au moyen d'une première vis (16) ;
    - visser un premier élément d'ajustage (11) dans un canal de guidage (9) d'une deuxième zone (6) du dispositif d'ajustage ;
    - introduire un moyen d'ajustage (17) dans un évidement (8) d'un carter (3) d'une turbine ;
    - introduire la deuxième zone (6) dans l'évidement (8) de sorte que le moyen d'ajustage (17) est agencé entre une surface d'appui (13) de l'évidement (8) et le premier élément d'ajustage (11) ;
    - aligner le support d'aubes directrices (2) par rapport au carter (3) par rotation relative du premier élément d'ajustage (11) par rapport au canal de guidage (9) ;
    - visser un deuxième élément d'ajustage (14) dans le canal de guidage (9) ;
    - aligner le support d'aubes directrices (2) par rapport à une partie supérieure (16) du carter par rotation relative du deuxième élément d'ajustage (14) par rapport au canal de guidage (9) ; et
    - serrer ensemble le premier élément d'ajustage (11) et le deuxième élément d'ajustage (14) au moyen d'une deuxième vis (19).
  10. Procédé selon la revendication 9,
    caractérisé en ce que
    le dispositif d'ajustage est un dispositif (1) selon l'une des revendications 1 à 7.
EP15720738.2A 2014-07-25 2015-05-11 Procédé d'alignement d'un support d'aubes directrices par rapport au carter d'une turbine Active EP3143261B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15720738T PL3143261T3 (pl) 2014-07-25 2015-05-11 Przyrząd do ustawiania nośnika łopatki kierującej względem obudowy turbiny

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014214703.4A DE102014214703A1 (de) 2014-07-25 2014-07-25 Vorrichtung zum Ausrichten eines Leitschaufelträgers zu einem Gehäuse einer Turbine
PCT/EP2015/060303 WO2016012115A1 (fr) 2014-07-25 2015-05-11 Procédé d'alignement d'un support d'aubes directrices par rapport au carter d'une turbine

Publications (2)

Publication Number Publication Date
EP3143261A1 EP3143261A1 (fr) 2017-03-22
EP3143261B1 true EP3143261B1 (fr) 2018-03-14

Family

ID=53052872

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15720738.2A Active EP3143261B1 (fr) 2014-07-25 2015-05-11 Procédé d'alignement d'un support d'aubes directrices par rapport au carter d'une turbine

Country Status (8)

Country Link
US (1) US10865659B2 (fr)
EP (1) EP3143261B1 (fr)
JP (1) JP6453440B2 (fr)
CN (1) CN106536871B (fr)
BR (1) BR112017001507B8 (fr)
DE (1) DE102014214703A1 (fr)
PL (1) PL3143261T3 (fr)
WO (1) WO2016012115A1 (fr)

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Also Published As

Publication number Publication date
US10865659B2 (en) 2020-12-15
EP3143261A1 (fr) 2017-03-22
CN106536871A (zh) 2017-03-22
US20170204745A1 (en) 2017-07-20
DE102014214703A1 (de) 2016-01-28
WO2016012115A1 (fr) 2016-01-28
JP6453440B2 (ja) 2019-01-16
PL3143261T3 (pl) 2018-08-31
JP2017530286A (ja) 2017-10-12
BR112017001507B1 (pt) 2022-10-18
BR112017001507B8 (pt) 2023-04-25
CN106536871B (zh) 2018-04-27
BR112017001507A2 (pt) 2017-12-05

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