EP2940249A1 - Agencement de disque de roue et procédé de montage d'un agencement de disque de roue - Google Patents

Agencement de disque de roue et procédé de montage d'un agencement de disque de roue Download PDF

Info

Publication number
EP2940249A1
EP2940249A1 EP14166363.3A EP14166363A EP2940249A1 EP 2940249 A1 EP2940249 A1 EP 2940249A1 EP 14166363 A EP14166363 A EP 14166363A EP 2940249 A1 EP2940249 A1 EP 2940249A1
Authority
EP
European Patent Office
Prior art keywords
wheel disc
recess
annular
closure piece
annular groove
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.)
Withdrawn
Application number
EP14166363.3A
Other languages
German (de)
English (en)
Inventor
Sascha Dungs
Harald Hoell
Kevin KAMPKA
Karsten Kolk
Marc Lange
Peter Schröder
Vyacheslav Veitsman
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
Siemens Corp
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 EP14166363.3A priority Critical patent/EP2940249A1/fr
Priority to EP15741879.9A priority patent/EP3090135B1/fr
Priority to CN201580023403.0A priority patent/CN106460531B/zh
Priority to PCT/EP2015/057053 priority patent/WO2015165678A2/fr
Priority to US15/304,591 priority patent/US20170037736A1/en
Priority to JP2016565346A priority patent/JP6286582B2/ja
Publication of EP2940249A1 publication Critical patent/EP2940249A1/fr
Withdrawn legal-status Critical Current

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
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
    • F01D5/3015—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type with side plates
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/005—Sealing means between non relatively rotating elements
    • F01D11/006—Sealing the gap between rotor blades or blades and 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
    • F01D5/32—Locking, e.g. by final locking blades or keys
    • F01D5/326—Locking of axial insertion type blades by other means
    • 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
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/29—Three-dimensional machined; miscellaneous
    • F05D2250/293—Three-dimensional machined; miscellaneous lathed, e.g. rotation symmetrical
    • 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
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/29—Three-dimensional machined; miscellaneous
    • F05D2250/294—Three-dimensional machined; miscellaneous grooved
    • 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
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position
    • 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
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position
    • F05D2260/31—Retaining bolts or nuts
    • 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
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position
    • F05D2260/36—Retaining components in desired mutual position by a form fit connection, e.g. by interlocking

Definitions

  • the present invention relates to a wheel disc assembly having a wheel disc, a plurality of blade means, which are fixed along the outer periphery of the wheel disc, and a plurality of sealing plates, which are held in two radially spaced annular grooves, wherein the first annular groove is provided in the wheel disc and axially outwardly through a Ring projection is limited, and wherein the second annular groove is defined by a plurality of adjacently arranged annular groove segments, which are respectively provided in the individual blade means.
  • Wheel disc assemblies of the type mentioned are known in the prior art in a variety of configurations.
  • the blade devices are inserted into grooves of the wheel disc, wherein successively, the sealing plates are inserted into the two annular grooves.
  • all the sealing plates In order to install the last two vane devices, all the sealing plates must already be mounted and moved so far beyond their overlapping areas in the annular grooves that the vane devices can be installed in the associated grooves of the wheel disc. Subsequently, the sealing plates are pushed in the circumferential direction back to its intended position and secured there against displacement suitable.
  • the present invention provides a Radularnan extract of the aforementioned type, which is characterized in that at least one axially extending through the annular projection extending recess is provided whose minimum width in the circumferential direction is greater than the width of the sealing plates on the inner diameter, so that a sealing plate can be inserted axially through the recess between the annular grooves and moved in the circumferential direction of these. Thanks to such a recess, the sealing plates can be threaded in a simple manner in the associated annular grooves, even if all the blade devices are already mounted on the wheel disc, whereby the assembly is made very flexible. Also, the individual sealing plates can be removed easily in the service case through the recess without much effort.
  • two recesses are provided, which are formed opposite one another in the wheel disc.
  • the assembly and disassembly of the sealing plates are facilitated.
  • the provision of a second recess arranged opposite the first recess compensates for a potential imbalance.
  • At least one closure piece is provided which can be fastened detachably to the wheel disk for closing a recess.
  • a closure piece ensures that the sealing plates arranged in the region of the recess can not move in the axial direction during operation.
  • the closure piece preferably has projections which, in the intended state, engage in correspondingly formed pockets of the recess. In this way, the closure piece is fixed in the intended state axially or radially in the recess.
  • the pockets extend axially through the entire annular projection and form undercuts in the radial direction. Accordingly, the closure piece can be inserted axially with the introduction of the projections in the associated pockets in the recess.
  • this can be caulked to the wheel disc, for example, by material of the closure piece is deformed in recesses provided for this purpose adjacent to the recess.
  • the pockets starting from that side of the recess which faces the first annular groove in the intended state, extend axially through a part of the annular projection and form undercuts in the radial direction.
  • a closure piece with correspondingly formed projections can then be inserted radially into the first annular groove provided on the wheel disc and then axially displaced in the direction of the annular projection with the introduction of the projections into the associated pockets until the projections come to a stop on the walls delimiting the pockets.
  • a filler which is disposed adjacent to the closure piece in the intended condition and defines a part of the groove bottom of the first annular groove.
  • the filler is secured in the intended condition radially by a sealing plate and prevents axial movement of the closure piece.
  • the pockets extend radially through the annular projection and form undercuts in the axial direction, wherein the closure piece has a Greetour which defines a part of the groove bottom of the first annular groove in the intended state.
  • a closure piece with correspondingly formed projections is then axially secured in the intended state by the projections received in the pockets and radially by a sealing plate which is arranged between the filler section and the second annular groove.
  • the present invention provides a method for mounting a wheel disc assembly according to the invention, in which in a first step, all blade devices are attached to the outer periphery of the wheel disc at their intended positions, and in a subsequent step, the sealing plates are mounted.
  • FIGS. 1 to 6 show a wheel disc assembly 1 according to a first embodiment of the present invention.
  • the wheel disc assembly 1 comprises a wheel disc 2, a plurality of blade means 3 which are fixed along the outer periphery of the wheel disc 2, and a plurality of sealing plates 4, which are held between the wheel disc 2 and the blade means 3 in two radially spaced annular grooves 5 and 6.
  • the first annular groove 5 is provided in the wheel disc 2 and is limited axially outwardly by an annular projection 7.
  • the second annular groove 6 is defined by a plurality of adjacently arranged annular groove segments which are respectively formed in the blade devices 3.
  • the wheel disc 2 comprises at least one axially extending through the annular projection 7 through recess 8, the minimum width in the circumferential direction is greater than the width of the sealing plates 4 at the inner diameter. Accordingly, a sealing plate 4 can be axially inserted through the recess 8 between the annular grooves 5 and 6 and moved in the circumferential direction of this, as it is in FIG. 3 indicated by the arrows A and B.
  • the recess 8 comprises two laterally arranged pockets 9, which extend axially through the entire annular projection 7 and form undercuts in the radial direction.
  • the wheel disc assembly 1 further includes a closure piece 10 which can be releasably secured to the wheel disc.
  • the closure piece 10 has projections 11 which protrude laterally and are formed corresponding to the pockets 9 of the recess 8. Accordingly, the closure piece 10 can be inserted in the axial direction in the recess 8, wherein the projections 11 engage in the associated pockets 9, whereby a radial fixation of the received in the recess 8 closure piece 10 is achieved.
  • closure piece 10 is secured radially and axially to the wheel disc 2.
  • the last sealing plates 4 are moved to their intended position, whereupon the individual sealing plates 4 are fixed by suitable means in its intended position to prevent accidental displacement in the circumferential direction.
  • the wheel disc arrangement 1 can also have a plurality of recesses 8 with associated closure pieces 10.
  • two recesses 8 may be provided which are offset from one another by 180 ° in the wheel disc 2 are formed.
  • the assembly or disassembly of the sealing plates. 4 be simplified.
  • imbalances can be eliminated.
  • FIGS. 7 to 13 show a wheel disc assembly 14 according to a second embodiment of the present invention.
  • the wheel disc assembly 14 includes a wheel disc 15, a plurality of vane means 16 mounted along the outer periphery of the wheel disc 15, and a plurality of sealing sheets 17 held between the wheel disc 15 and the vane means 16 in two radially spaced annular grooves 18 and 19.
  • the first annular groove 18 is provided in the wheel disc 15 and is bounded axially outwardly by an annular projection 20.
  • the second annular groove 19 is defined by a plurality of adjacently disposed annular groove segments formed respectively in the blade assemblies 16.
  • the wheel disc 15 comprises at least one axially extending through the annular projection 20 through recess 21 whose minimum width in the circumferential direction is greater than the width of the sealing plates 17 at the inner diameter. Accordingly, a sealing plate 17 can be axially inserted through the recess 21 between the annular grooves 18 and 19 and moved in the circumferential direction of this, as it is in FIG. 9 indicated by the arrows A and B.
  • the recess 21 comprises two laterally arranged pockets 22 which, starting from that side of the recess which faces the groove in the intended state, extend axially through a part of the annular projection 20 and form undercuts in the radial direction.
  • the wheel disc assembly 14 further comprises a closure piece 23 which can be releasably secured to the wheel disc 15.
  • the closure piece 23 has projections 24 which project laterally and are formed corresponding to the pockets 22 of the recess 21. Accordingly, the closure piece 10 can be inserted radially into the first annular groove 18 and in the axial direction in the Recess 21 are introduced, wherein the projections 24 engage in the associated pockets 22, whereby a radial fixation of the received in the recess 21 closure piece 23 is achieved.
  • a filler piece is provided, which is arranged adjacent to the closure piece in the intended state and defines a part of the groove bottom of the first annular groove 18.
  • the filler is designed in the form of an annular segment and has a rectangular cross-section.
  • a first step all vane devices 16 are fastened to the wheel disc 15 in a known manner.
  • the individual sealing plates 17 are inserted in sequence axially through the recess 21 in the annular grooves 18 and 19 and then moved in the circumferential direction in its intended position.
  • Those sealing plates 17 which are to be arranged in their intended position in the region of the recess 21 are positioned immediately adjacent to the recess 21.
  • the closure piece 23 is inserted radially into the first annular groove 18 and then pushed axially into the recess 21.
  • the filler is inserted radially into the first annular groove 18.
  • the last sealing plates are moved to their intended position, whereupon the individual sealing plates 17 are fixed by suitable means in its intended position to prevent accidental displacement in the circumferential direction.
  • the closure piece 23 is now fixed radially and axially.
  • the wheel disc assembly 14 may also include a plurality of recesses 21 with associated closure pieces 23 and patches 25.
  • two recesses 21 may be provided, which are opposite each other offset by 180 ° in the wheel disc 15 are formed.
  • the assembly or disassembly of the sealing plates 17 can be simplified.
  • imbalances can be eliminated.
  • FIGS. 14 to 18 show a wheel disc assembly 26 according to a third embodiment of the present invention.
  • the wheel disc assembly 26 includes a wheel disc 27, a plurality of vane means 28 mounted along the outer periphery of the wheel disc 27, and a plurality of sealing plates 29 held between the wheel disc 27 and the vane means 28 in two radially spaced apart annular grooves 30 and 31.
  • the first annular groove 30 is provided in the wheel disc 27 and is bounded axially outwardly by an annular projection 32.
  • the second annular groove 31 is defined by a plurality of adjacently disposed annular groove segments formed respectively in the blade assemblies 28.
  • the wheel disc 27 comprises at least one axially extending through the annular projection 32 through recess 33 whose minimum width in the circumferential direction is greater than the width of the sealing plates 29 at the inner diameter. Accordingly, a sealing plate 29 can be axially inserted through the recess 33 between the annular grooves 30 and 31 and moved in the circumferential direction of this, as it is in FIG. 16 indicated by the arrows A and B.
  • the recess 33 comprises two laterally arranged pockets 34, which extend radially from the upper side of the annular projection 32 through the annular projection 32 and form undercuts in the axial direction.
  • the wheel disc assembly 26 further includes a closure piece 35 which can be releasably secured to the wheel disc 27.
  • the closure piece 35 has projections 36 which project laterally and are formed corresponding to the pockets 34 of the recess 33. Accordingly, the closure piece 35 in radial Direction into the recess 33 are introduced, wherein the projections 36 engage in the associated pockets 34, whereby an axial fixation of the received in the recess 33 closure piece 35 is achieved.
  • the closure piece 35 also has a filler section 37, which defines a part of the groove bottom of the first annular groove 30 in the intended state.
  • the wheel disc assembly 26 may also include a plurality of recesses 33 with associated shutters 35.
  • two recesses 33 may be provided which are offset from each other by 180 ° in the wheel disc 27 are formed.
  • the assembly or disassembly of the sealing plates 29 can be simplified.
  • imbalances can be eliminated
  • FIG. 19 shows an alternative closure piece 38, which uses instead of the closure piece 35 with a corresponding formed, not shown recess can be.
  • the only difference between the closure pieces 38 and 35 is that the position of the projections 39 is not selected centrally as that of the projections 36 but inside.
  • the sealing plates can be threaded in the previously described embodiments in a simple manner in the associated annular grooves, even if all blade devices are already mounted on the wheel disc, whereby the assembly is made very flexible. Also, the individual sealing plates can be removed easily in the service case through the recess without much effort.

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)
EP14166363.3A 2014-04-29 2014-04-29 Agencement de disque de roue et procédé de montage d'un agencement de disque de roue Withdrawn EP2940249A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP14166363.3A EP2940249A1 (fr) 2014-04-29 2014-04-29 Agencement de disque de roue et procédé de montage d'un agencement de disque de roue
EP15741879.9A EP3090135B1 (fr) 2014-04-29 2015-03-31 Agencement de disque de roue et procédé de montage d'un agencement de disque de roue
CN201580023403.0A CN106460531B (zh) 2014-04-29 2015-03-31 轮盘组件及用于组装轮盘组件的方法
PCT/EP2015/057053 WO2015165678A2 (fr) 2014-04-29 2015-03-31 Agencement de disque de roue et procédé de montage d'un agencement de disque de roue
US15/304,591 US20170037736A1 (en) 2014-04-29 2015-03-31 Wheel disk assembly and method for assembling a wheel disk assembly
JP2016565346A JP6286582B2 (ja) 2014-04-29 2015-03-31 ホイールディスクアセンブリおよびホイールディスクアセンブリを組み立てる方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14166363.3A EP2940249A1 (fr) 2014-04-29 2014-04-29 Agencement de disque de roue et procédé de montage d'un agencement de disque de roue

Publications (1)

Publication Number Publication Date
EP2940249A1 true EP2940249A1 (fr) 2015-11-04

Family

ID=50630621

Family Applications (2)

Application Number Title Priority Date Filing Date
EP14166363.3A Withdrawn EP2940249A1 (fr) 2014-04-29 2014-04-29 Agencement de disque de roue et procédé de montage d'un agencement de disque de roue
EP15741879.9A Not-in-force EP3090135B1 (fr) 2014-04-29 2015-03-31 Agencement de disque de roue et procédé de montage d'un agencement de disque de roue

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP15741879.9A Not-in-force EP3090135B1 (fr) 2014-04-29 2015-03-31 Agencement de disque de roue et procédé de montage d'un agencement de disque de roue

Country Status (5)

Country Link
US (1) US20170037736A1 (fr)
EP (2) EP2940249A1 (fr)
JP (1) JP6286582B2 (fr)
CN (1) CN106460531B (fr)
WO (1) WO2015165678A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109707464A (zh) * 2018-12-14 2019-05-03 北京全四维动力科技有限公司 用于保护蒸汽轮机叶片叶根和轮槽的组合装置

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2975219A1 (fr) * 2014-07-17 2016-01-20 Siemens Aktiengesellschaft Assemblage de disque de roue
US10876420B2 (en) * 2017-09-14 2020-12-29 DOOSAN Heavy Industries Construction Co., LTD Turbine blade axial retention and sealing system
EP3511524A1 (fr) 2018-01-10 2019-07-17 Siemens Aktiengesellschaft Rotor doté des éléments d'étanchéité montés au niveau des rainures de maintien de l'aube de rotor
EP3564489A1 (fr) 2018-05-03 2019-11-06 Siemens Aktiengesellschaft Rotor à surfaces de contact optimisées au niveau de forces centrifuges
KR102134812B1 (ko) * 2018-08-17 2020-07-16 두산중공업 주식회사 터빈, 이를 포함하는 가스 터빈, 터빈의 조립 방법, 및 터빈의 분해 방법
KR102180380B1 (ko) * 2019-01-23 2020-11-18 두산중공업 주식회사 터빈 블레이드 축 방향 유지 및 밀봉 시스템
EP3885535B1 (fr) * 2020-03-24 2022-09-07 Siemens Energy Global GmbH & Co. KG Bague d'étanchéité pour un rotor et rotor doté d'une telle bague d'étanchéité
CN114622955B (zh) * 2020-12-14 2024-08-09 中国航发商用航空发动机有限责任公司 涡轮盘叶片的安装装置和安装方法
KR102887773B1 (ko) 2023-04-04 2025-11-17 두산에너빌리티 주식회사 터빈 블레이드의 씰 조립구조와 이를 포함하는 가스 터빈

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB905582A (en) * 1960-05-26 1962-09-12 Rolls Royce Improvements relating to the sealing of blades in a bladed rotor
EP0609979A1 (fr) * 1993-02-03 1994-08-10 ROLLS-ROYCE plc Rotor équilibré pour une turbine à gaz
EP1905955A1 (fr) * 2006-09-25 2008-04-02 Siemens Aktiengesellschaft Rotor de turbine avec plaques de verrouillage et procédé d'assemblage associé
EP2146051A1 (fr) * 2008-07-17 2010-01-20 Ansaldo Energia S.P.A. Ensemble rotor pour turbine à gaz, turbine à gaz comprenant le dit ensemble rotor et procédé de refroidissement dudit ensemble rotor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB725461A (en) * 1953-04-10 1955-03-02 Parsons C A & Co Ltd Improvements in and relating to the axial locking of rotor blades for turbines and the like
GB1291302A (en) * 1970-03-14 1972-10-04 Sec Dep For Defendence Improvements in bladed rotor assemblies
GB9517369D0 (en) * 1995-08-24 1995-10-25 Rolls Royce Plc Bladed rotor
GB0423363D0 (en) * 2004-10-21 2004-11-24 Rolls Royce Plc Rotor assembly retaining apparatus
EP1916389A1 (fr) * 2006-10-26 2008-04-30 Siemens Aktiengesellschaft Assemblage d'aubes de turbine
EP1978211A1 (fr) * 2007-04-04 2008-10-08 Siemens Aktiengesellschaft Dispositif de sécurité axiale sur des aubes mobiles d'un moteur tout comme turbine à gaz dotée d'un tel dispositif
JP5675674B2 (ja) * 2012-02-29 2015-02-25 三菱重工業株式会社 タービン動翼の抜け止め構造およびこれを備えた回転機械

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB905582A (en) * 1960-05-26 1962-09-12 Rolls Royce Improvements relating to the sealing of blades in a bladed rotor
EP0609979A1 (fr) * 1993-02-03 1994-08-10 ROLLS-ROYCE plc Rotor équilibré pour une turbine à gaz
EP1905955A1 (fr) * 2006-09-25 2008-04-02 Siemens Aktiengesellschaft Rotor de turbine avec plaques de verrouillage et procédé d'assemblage associé
EP2146051A1 (fr) * 2008-07-17 2010-01-20 Ansaldo Energia S.P.A. Ensemble rotor pour turbine à gaz, turbine à gaz comprenant le dit ensemble rotor et procédé de refroidissement dudit ensemble rotor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109707464A (zh) * 2018-12-14 2019-05-03 北京全四维动力科技有限公司 用于保护蒸汽轮机叶片叶根和轮槽的组合装置

Also Published As

Publication number Publication date
CN106460531B (zh) 2018-03-27
WO2015165678A3 (fr) 2015-12-23
US20170037736A1 (en) 2017-02-09
JP2017515038A (ja) 2017-06-08
EP3090135B1 (fr) 2017-09-13
CN106460531A (zh) 2017-02-22
WO2015165678A2 (fr) 2015-11-05
EP3090135A2 (fr) 2016-11-09
JP6286582B2 (ja) 2018-02-28

Similar Documents

Publication Publication Date Title
EP3090135B1 (fr) Agencement de disque de roue et procédé de montage d'un agencement de disque de roue
DE2908242C2 (de) Rindförmiger Flansch für den Läufer einer axial durchströmten Strömungsmaschine zum Zusammenwirken mit einer Stirnfläche eines Radkranzes oder dergleichen
DE102010060284A1 (de) Sicherungs-Abstandshalteranordnung für ein Schaufelblattbefestigungssystem zur Einführung in Umfangsrichtung
DE2830818C2 (de) Einsetzbarer Bordring für ein Radialwälzlager
EP1978211A1 (fr) Dispositif de sécurité axiale sur des aubes mobiles d'un moteur tout comme turbine à gaz dotée d'un tel dispositif
DE4006197A1 (de) Axiallager
EP3061916A1 (fr) Agencement de disque de rotor et procédé de montage d'un agencement de disque de rotor
EP3129600B1 (fr) Assemblage de disque de roue
EP3129599B1 (fr) Assemblage de disque de roue
DE1207719B (de) Mehrteiliger Waelzlagerkaefig
DE102015200644A1 (de) Bolzenkäfig für ein Wälzlager, Wälzlager mit einem derartigen Bolzenkäfig und Montageverfahren für ein Wälzlager mit einem solchen Bolzenkäfig
WO2018036818A1 (fr) Rotor muni d'une bague d'étanchéité segmentée
DE102014200665A1 (de) Kegelrollenlager und Verfahren zur Montage eines Kegelrollenlagers
DE666703C (de) Deckelverschluss fuer Radnaben aller Art
EP3501620A1 (fr) Bague d'appui destinée à la fixation d'un tissu filtrant à un élément filtrant
EP3695100B1 (fr) Rotor pourvu d'élément d'étanchéité et de bague d'étanchéité
EP3032127B1 (fr) Clip-Fix pour disques de frein
DE1283605B (de) Vollrolliges Zylinderrollenlager
EP3333438B1 (fr) Cage pour roulement à billes linéaires, boîtier et procédé
EP3088758A1 (fr) Système de pression pour embrayage à griffes
DE4102451A1 (de) Sicherungsring
DE3518866C1 (de) Bolzenteile zur Bildung eines selbstsichernden Sperrbolzens
DE102009011151A1 (de) Gliederheizkörpertrennelement und Gliederheizkörper
DE102016202654B4 (de) Kupplungseinrichtung, umfassend zwei Bauteile, die mittels eines Bajonett-Verschlusses lösbar miteinander verbunden sind
DE1918620C3 (de) Elastische Wellenkupplung

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20160505