WO2010031693A1 - Rotor axial de turbomachine à système de verrouillage d'aube et son procédé de fabrication - Google Patents

Rotor axial de turbomachine à système de verrouillage d'aube et son procédé de fabrication Download PDF

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Publication number
WO2010031693A1
WO2010031693A1 PCT/EP2009/061312 EP2009061312W WO2010031693A1 WO 2010031693 A1 WO2010031693 A1 WO 2010031693A1 EP 2009061312 W EP2009061312 W EP 2009061312W WO 2010031693 A1 WO2010031693 A1 WO 2010031693A1
Authority
WO
WIPO (PCT)
Prior art keywords
blade
shaft
blocking element
locking screw
axialturbomaschinenrotor
Prior art date
Application number
PCT/EP2009/061312
Other languages
German (de)
English (en)
Inventor
Rosario Montante
Erich Muranyi
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 WO2010031693A1 publication Critical patent/WO2010031693A1/fr

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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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3023—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses
    • F01D5/303—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot
    • F01D5/3038—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot the slot having inwardly directed abutment faces on both sides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/32—Locking, e.g. by final locking blades or keys

Definitions

  • the invention relates to an axial turbomachinery rotor having a shaft on which a blade ring forming blades are mounted, one of which is locked to the shaft with a paddle lock. Furthermore, the invention relates to a method for producing the axial turbine engine rotor with the paddle lock.
  • a turbomachine in axial construction has a shaft on which a plurality of blade rings is lined up.
  • the blade rings are each formed by a plurality of circumferentially juxtaposed rotor blades each having an aerodynamically effective airfoil projecting radially from the surface of the shaft and a blade root to which the airfoil is secured.
  • a circumferential and undercut groove is provided in the surface of the shaft with each blade root of the blade ring engaging such that each blade of the blade ring is positively secured to the shaft in the radial direction.
  • the undercut groove is formed, for example, as a T-slot
  • the blade root is suitably shaped as a hammerhead foot.
  • the Hammerkopffuß has two projections facing away from each other, which engage positively in correspondingly formed indentations of the T-slot.
  • a mounting recess is provided, which is arranged laterally on the T-slot and exposes the T-slot.
  • each blade of the blade ring When mounting the blade in the blade ring to the shaft, each blade of the blade ring is inserted with its blade root in the mounting recess and offset in the axial direction of the shaft into the T-slot inside. Is the blade foot of the arranged respective blade in the T-slot, this blade is displaced in the circumferential direction of the shaft, so that the blade root slides in the T-groove in the circumferential direction of the shaft. In this way, all blades that form the blade ring are inserted into the T-slot. The last blade forming the blade ring can no longer be moved in the circumferential direction in the T-slot since all the blade forming the blade ring is inserted in the T-slot with it. One side of the blade root of this last mounted blade is in the
  • a paddle lock is used to engage with the exposed side of the blade root, which is secured to the shaft.
  • the form-fitting connection formed on the blade root in the T-slot of the shaft has to withstand centrifugal forces during rotation of the axial-turbomachinery rotor.
  • a modern construction of an axial turbomachinery rotor, particularly a rotor of an axial compressor, is designed such that the axial turbomachinery rotor has high aerodynamic efficiency with low manufacturing costs and low maintenance. It follows that the Axialverêtrrotor the smallest possible number of Laufschaufein pro
  • the object of the invention is to provide a Axialturbomaschinenrotor with a paddle lock and a method for producing the Axialturbumaschinenrotors with the paddle lock, wherein the Axialturbomaschinenrotor has a high strength.
  • the axial turbomachinery rotor according to the invention comprises a shaft, in the surface of which a circumferential T-slot is provided, and a blade ring forming rotor blade, each having a blade root engaging the T-slot.
  • Characterized the Laufschaufein are radially fixed to the shaft, wherein on the T-slot laterally adjacent a mounting recess is provided, through which the T-groove is exposed on one side and which is dimensioned such that when mounting the Laufschaufein to the shaft each individual blade root is inserted through the mounting hole in the T-slot, wherein the last mounted blade protrudes with one side of its blade root in the mounting hole.
  • the axial turbomachine rotor according to the invention has a paddle lock, the one
  • Blockage element and has a locking screw.
  • the blocking element can be inserted into the assembly opening and guided in the axial direction of the shaft to the blade root, so that the blocking element with its one side, which is adjacent to the blade root of the last mounted blade and the missing by providing the mounting recess of the T-slot contour portion is modeled, with the blade root of the last mounted blade is engaged and on its one side facing away from the other side with the mounting recess forms a cavity into which the locking screw is installed, so that with the locking screw the blocking element between the locking screw and the blade root is durable in position and the cavity is closed to the outside.
  • the method according to the invention for producing the axial turbomachinery rotor comprises the steps of: manufacturing a blank of a blocking element with a supporting floor; Making a mounting recess in a shaft, the base of the mounting recess enclosing a point angle with the axis of the shaft; Insert the blank into the mounting hole so that the base is at the bottom of the tray
  • Mounting opening is seated; Fabricating a hole in the shaft for a locking screw, the hole having a portion for countersinking a screw head of the locking screw, the portion being at least partially formed in the blank; Finishing in the surface of the shaft a circumferential T-groove which extends through the blank, so that the blank is formed into the blocking element, wherein in a cross section of the T-groove, the blocking element laterally delimits the T-groove.
  • the paddle lock according to the invention consists only of two components, namely the locking screw and the blocking element.
  • the paddle lock can be made small compared with a conventional paddle lock, whereby a correspondingly lower centrifugal force acts on the paddle lock during operation of the axial turbomachinery rotor.
  • this is less greatly weakened by the small dimensions of the paddle lock according to the invention in providing the same in the shaft. Due to the maximum possible coverage of the contact surface between the blade lock and the blade root, a low surface pressure on the blade root is advantageously achieved.
  • the locking screw and the blocking element can advantageously be made of the same material as the shaft, so that due to any density differences occurring in different materials of the shaft and the paddle lock no imbalance is generated.
  • a conventional paddle lock usually has more than two components, so that the assembly of the paddle lock according to the invention with only two components can be easily and quickly accomplished.
  • the blocking element preferably has a holding surface extending parallel to the axis of the shaft, which bears against a locking surface of the blade root, so that the blade is held at its blade root in the radial direction in the T-slot.
  • the blockage element furthermore preferably has an indentation which is formed by the holding surface, a contact surface and a radius section arranged between the holding surface and the abutment surface, wherein the abutment surface encloses an acute opening angle with the holding surface.
  • the blockage element further has a support base with which the blocking element is supported in the mounting recess and which forms an angle with the support surface that is smaller than the opening angle.
  • the support base is preferably formed by two wings forming a cylinder segment, so that the support base is formed cylindrically with a vertex on the underside.
  • the blockage element preferably has a receiving surface, which is arranged adjacent to a hub plate of the blade and facing away from the support base, wherein the shaft facing side of the hub plate and the receiving surface parallel to each other.
  • the side of the hub plate facing the shaft and the vertex of the support base formed by the wings extend parallel to one another.
  • the support surface is arranged obliquely on the hub plate, wherein the support surface is parallel to the vertex formed by the wings.
  • the angle which is included by the abutment surface with the axis of the shaft is greater than the angle of the support surface or the vertex formed by the wings with the axis of the shaft is included, slides during installation of the blocking element this along the support surface and the wings. If the blockage element is pushed in the direction of the blade root, it finally abuts with the holding surface against the blade root and is arranged adjacent to the contact surface with the blade root. As a result, a maximum overlap between the blocking element and the blade root is achieved.
  • the blocking element preferably has a positioning surface which is perpendicular to the axis of the shaft and located below the T-slot and with which the axial position of the blocking element is defined in the assembled state.
  • the locking screw preferably has a threaded portion and a screw head, which protrudes radially to form a shoulder of the threaded portion on which the blocking element is supported at a step formed on it radially outwardly, so that of
  • the blockage element is held under the influence of the centrifugal force of the blade during the rotation of the shaft in the T-slot.
  • the blocking element is further supported on the screw head in the axial direction away from the blade, wherein the blocking element is further supported on the support bottom surface and on the positioning surface.
  • the blocking element is held stable both in the radial direction and in the axial direction of the shaft by the locking screw.
  • the screw head is distributed on its front side over the circumference a plurality of holes formed with which a tool for mounting and dismounting the locking screw is engageable.
  • a high torque can be applied, whereby the locking screw can be provided with a large biasing force.
  • the blocking element is pressed into a desired position on the shaft, so that can be achieved in the manufacture of the T-slot high manufacturing accuracies in the field of paddle lock.
  • the blockage element on the side facing away from the holding surface on a back part having two, facing away from each other protruding projections which have on their sides facing the holding surface each having a positioning surface through which the axial position of the blocking element is defined in the assembled state.
  • a locking screw hole for receiving the locking screw is preferably formed in the blocking element.
  • FIG. 1 shows a longitudinal section of the axial turbomachinery rotor with a first embodiment of a paddle lock according to the invention
  • FIG. 2 is a perspective view of a locking screw
  • FIG. 3 is a perspective view of the first embodiment of a blocking element
  • FIG. 4 is a side view of the blockage element of FIG. 3,
  • FIG. 5 shows a perspective view of another embodiment of a blocking element according to the invention
  • Fig. 6 is a longitudinal section of the axial turbomachinery rotor in a first manufacturing step
  • FIG. 7 shows a longitudinal section of the axial turbomachinery rotor in a second production step.
  • an axial turbomachine rotor 1 has a shaft 2 whose surface describes a hub contour 3.
  • the axial turbomachine rotor 1 further comprises a blade rim formed by a plurality of equally shaped and circumferentially juxtaposed blades 4, one of which is shown in FIG.
  • the blade 4 has an airfoil 5 and a
  • Blade 6 on which the blade 5 is fixed.
  • the airfoil 5 has seen in Fig. 1 left suction side and right side their pressure side.
  • a hub plate 7 Between the blade root 6 and the blade 5, the blade 4, a hub plate 7, whose outer surface with the
  • Hub contour 3 is arranged in alignment.
  • the hub plate 7 protrudes on the blade root 6 on the suction side and on the pressure side, wherein on the underside of the hub plate 7 on the pressure side a first support surface 8 and suction side a second support surface 9 is provided.
  • the support surfaces 8, 9 are arranged inclined to the hub contour 3, wherein the support surfaces 8, 9 with the top of the hub plate 7 each include an acute angle.
  • the blade root 6 is formed as a Hammerkopffuß 10, the pressure side has a first projection 11 and suction side, a second projection 12 on its underside.
  • the top of the first projection 11 is formed by a first locking surface 13 and the top of the second projection 12 is formed by a second locking surface 14, the locking surfaces 13, 14 being parallel to the axis of the shaft 2.
  • On the underside of the first projection 11 is a first slope surface 15 and on the underside of the second projection 12, a second slope surface 16 is provided, wherein the first slope surface 15 with the first support surface 8 an acute opening angle and the second slope surface 16 with the second support surface. 9 also include an acute opening angle.
  • the Hammerkopffuß 10 is inserted into a T-groove 17 which is formed circumferentially in the shaft 2.
  • the T-slot 17 has a bottom 18, on the pressure side, a first indentation 19th and a second recess 20 are provided on the suction side.
  • the first inclination surface 15 is arranged directly adjacent to the first indentation 19, a first abutment surface 21 and the second inclination surface 16 is disposed immediately adjacent in the second
  • Dent 20 a second abutment surface 22 is provided, wherein the abutment surface 21 parallel to the first inclined surface 15 and the second abutment surface 22 parallel to the second inclined surface 16 extend.
  • a second holding surface 24 is formed in the second indentation 20, wherein the holding surfaces 23, 24 are arranged parallel to the axis of the shaft 2.
  • the first locking surface 13 is located on the first retaining surface 23, and the second locking surface 14 abuts on the second retaining surface 24, so that the hammerhead base 10 and thus the moving blade 4 in the T-slot 17 are radially fixed.
  • first recess 19 By providing the first recess 19 is a first web 25 and the provision of the second recess 20, a second web 26 is formed. Between the first holding surface 23 and the first abutment surface 21, a first radius portion 27 and between the second holding surface 24 and the second abutment surface 22, a two radius portion 28 is formed. On the outside of the first web 25 of the first support surface 8 facing a first receiving surface 29 and on the outside of the second web 26 of the second support surface 9 facing a second receiving surface 30 is formed, wherein the first receiving surface 29 parallel to the first support surface 8 and second receiving surface 30 parallel to the second support surface 9.
  • the T-groove 17 is formed circumferentially in the shaft 2 and equipped with a plurality of blades 4, the adjacent to each other with their Hammerkopffußen 10 in the T-groove 17 engage.
  • the blades 4 shown in FIG. 1 are locked with a paddle lock 31 in the T-groove 17.
  • the paddle lock 31 has a blocking element 32 which is inserted into a mounting recess 33 provided in the shaft 2.
  • the first of the rotor 4 is inserted into the mounting recess 33 with its blade root 6 and, as viewed in FIG. 1, is displaced in the axial direction of the shaft 2 to the right into the T-slot 17. Then, this blade 4 is displaced in the circumferential direction of the shaft in the T-groove 17 until the mounting recess 33 is free again for insertion of another of the Laufein 4.
  • this blade 4 is inserted into the mounting recess 33 and also inserted in the axial direction of the shaft 2 in the T-groove 17 until, as shown in Fig. 1, the first locking surface 13 on the first support surface 23 rests, wherein the first projection 11 engages in the first recess 19.
  • the blocking element 32 is embodied such that the contour of the T-groove 17 recessed by the mounting recess 33 is simulated with the blocking element 32 inserted into the mounting recess 33.
  • the second abutment surface 22, the second abutment surface 25, which forms the second web 26, is formed on the right-hand side of the blocking element 32. It is also in the
  • Blockage element 32 second indentation 20 formed, which is formed by the second support surface 24, the second radius 28 and the second receiving surface 30. As a result, the complete contour of the T-slot 17 is formed with the blocking element 32.
  • a positioning surface 34th formed, with which the axial position of the blocking element 32 is defined.
  • Blockage element 32 has.
  • the apex extends parallel to the second receiving surface 30 and includes with the axis of the shaft 2 a first acute angle.
  • the second abutment surface 22 also includes a second acute angle with the axis of the shaft 2, wherein at the second acute angle is greater than the first acute angle.
  • the blocking element is laterally delimited by a first guide surface 37 and a second guide surface 38 facing away from the first guide surface 37, wherein the axis of the shaft 2 lies on the extensions of the first guide surface 37 and the second guide surface 38.
  • a locking screw 42 is applied to the blocking element 32 fitting.
  • a step 39 between a first recess 40 and a second recess 41 is formed.
  • the locking screw 42 bears against a shoulder 44 which is formed on a screw head 43 of the locking screw 42.
  • the step 39 and the paragraph 44 are parallel to
  • FIG. 5 shows an alternative embodiment of a blocking element 48 which, instead of the positioning surface 34 of the blocking element 32 according to FIGS. 1 to 4, has a back part 49.
  • the back part 49 is formed by a first projection 50 and a second projection 51 facing away from the first projection, the projections 50, 51 projecting laterally from the blocking element 48, respectively.
  • the positioning surfaces 52, 53 are formed, which define an axial position of the blocking element 48.
  • a locking screw hole 54 is made, through which the locking screw 42 is screwed with the shaft 2 plugged.
  • a blank of the blocking element 32 is inserted into the mounting recess 33 provided in the shaft 2.
  • the blank of the blocking element 32 has the wings 36, 37, the vertex formed jointly by them and the positioning surface 34.
  • a retaining screw hole 47 is provided on the upper side of the blank of the blocking element 32, into which a retaining screw 55 is inserted, which is screwed to the shaft 2.
  • the shaft 2 is not yet provided with the T-groove 17 in the manufacturing stage shown in Fig. 6, but only with the mounting recess 33, which extends in the range of then still to be produced T-groove 17.
  • Blockage element 32 made a hole for the locking screw 42 having a thread for the threaded portion 45 and a cylindrical recess for the screw head 43.
  • Stage 39 is formed. Characterized in that with the retaining screw 55, the blank of the blocking element 32 in the manufacture of the Hole for the locking screw 42 is held in position, any manufacturing inaccuracies are minimized.
  • the retaining screw 55 is removed from the retaining screw hole 47.
  • the T-groove is to be produced in the shaft 2, wherein the blank of the blocking element 32 is machined. This results in the shaft 2, the contour of the T-groove 17, which is formed by forming the second abutment surface 22, the second radius portion 28, the second holder surface 34 and the second receiving surface 30 on the blank of the blocking element 32.
  • the material is removed around the retaining screw hole 47.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

L'invention concerne un rotor axial de turbomachine qui comprend un arbre (2) dans la surface duquel est ménagée une rainure circulaire en T (17) et des aubes (4) formant une couronne d'aubes et comportant chacune un pied d'aube (6) qui est emboîté dans la rainure en T. Il est prévu un évidement de montage (33) latéralement adjacent à la rainure en T grâce auquel la rainure en T est dégagée sur un côté. L'aube montée en dernier fait saillie par un côté de son pied d'aube dans l'ouverture de montage (56). Un système de verrouillage d'aube (31) comprend un élément de blocage (32) et une vis de verrouillage (42). L'élément de blocage peut être introduit dans l'ouverture de montage et peut être guidé dans la direction axiale de l'arbre jusqu'au pied d'aube de sorte que ledit élément de blocage est en prise, par son côté qui est disposé adjacent au pied de l'aube montée en dernier et qui présente le même contour que le segment manquant de la rainure en T correspondant à l'évidement de montage prévu, avec le pied de l'aube montée en dernier et peut être maintenu en position avec la vis de fixation sur son autre côté, opposé au côté susmentionné.
PCT/EP2009/061312 2008-09-22 2009-09-02 Rotor axial de turbomachine à système de verrouillage d'aube et son procédé de fabrication WO2010031693A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008048261.7 2008-09-22
DE102008048261.7A DE102008048261B4 (de) 2008-09-22 2008-09-22 Axialturbomaschinenrotor mit einem Schaufelschloss und Verfahren zum Herstellen desselben

Publications (1)

Publication Number Publication Date
WO2010031693A1 true WO2010031693A1 (fr) 2010-03-25

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DE (1) DE102008048261B4 (fr)
WO (1) WO2010031693A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITCO20130002A1 (it) * 2013-01-23 2014-07-24 Nuovo Pignone Srl Metodo e sistema per autobloccare una pala di chiusura in una macchina rotativa
EP2672068A3 (fr) * 2012-06-06 2017-10-25 General Electric Company Ensemble de rotor de turbine et d'aubes avec un verrouillage d'aube en plusieurs parties
CN113833692A (zh) * 2020-06-24 2021-12-24 中国航发商用航空发动机有限责任公司 压气机转子叶片组件的装配方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012200057A1 (de) 2012-01-03 2013-07-04 Siemens Aktiengesellschaft Befestigung einer Schlossschaufel an einer Rotoreinheit
US11702946B1 (en) * 2022-07-13 2023-07-18 Pratt & Whitney Canada Corp. Service tube locking device

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GB190905853A (en) 1909-03-11 1909-09-02 James Howden Improvements in Steam or Gas Turbines.
CH157414A (de) 1931-09-01 1932-09-30 Oerlikon Maschf Schaufelschloss an Turbinenbeschaufelungen.
DE718014C (de) 1939-12-10 1942-02-28 Aeg Schaufelschloss fuer mehrkraenzige Turbinenbeschaufelungen
US2315631A (en) 1942-02-14 1943-04-06 Westinghouse Electric & Mfg Co Turbine blade locking apparatus
DE841753C (de) 1946-05-04 1952-06-19 Sulzer Ag Turbomaschine
GB703173A (en) 1951-02-07 1954-01-27 W H Allen Sons & Company Ltd Improvements in and relating to the securing of blading to turbine wheels and other high speed rotary members
DE1197095B (de) 1959-07-10 1965-07-22 Siemens Ag Schaufelschloss
DE19826897A1 (de) 1998-06-17 1999-12-23 Abb Patent Gmbh Schloß für Laufschaufeln eines Turbinenläufers
EP1134359A2 (fr) * 2000-03-14 2001-09-19 MAN Turbomaschinen AG GHH BORSIG Verrou pour aube de turbomachine et sa methode de fabrication

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GB640532A (en) * 1947-11-26 1950-07-19 British Thomson Houston Co Ltd Improvements in and relating to elastic fluid turbines
DE803181C (de) * 1948-10-02 1951-03-01 Maschf Augsburg Nuernberg Ag Schaufelschloss fuer axiale Kreiselradmaschinen

Patent Citations (9)

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Publication number Priority date Publication date Assignee Title
GB190905853A (en) 1909-03-11 1909-09-02 James Howden Improvements in Steam or Gas Turbines.
CH157414A (de) 1931-09-01 1932-09-30 Oerlikon Maschf Schaufelschloss an Turbinenbeschaufelungen.
DE718014C (de) 1939-12-10 1942-02-28 Aeg Schaufelschloss fuer mehrkraenzige Turbinenbeschaufelungen
US2315631A (en) 1942-02-14 1943-04-06 Westinghouse Electric & Mfg Co Turbine blade locking apparatus
DE841753C (de) 1946-05-04 1952-06-19 Sulzer Ag Turbomaschine
GB703173A (en) 1951-02-07 1954-01-27 W H Allen Sons & Company Ltd Improvements in and relating to the securing of blading to turbine wheels and other high speed rotary members
DE1197095B (de) 1959-07-10 1965-07-22 Siemens Ag Schaufelschloss
DE19826897A1 (de) 1998-06-17 1999-12-23 Abb Patent Gmbh Schloß für Laufschaufeln eines Turbinenläufers
EP1134359A2 (fr) * 2000-03-14 2001-09-19 MAN Turbomaschinen AG GHH BORSIG Verrou pour aube de turbomachine et sa methode de fabrication

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2672068A3 (fr) * 2012-06-06 2017-10-25 General Electric Company Ensemble de rotor de turbine et d'aubes avec un verrouillage d'aube en plusieurs parties
ITCO20130002A1 (it) * 2013-01-23 2014-07-24 Nuovo Pignone Srl Metodo e sistema per autobloccare una pala di chiusura in una macchina rotativa
WO2014114589A1 (fr) * 2013-01-23 2014-07-31 Nuovo Pignone Srl Ensemble de verrouillage de godet d'une turbomachine et procédé de fixation
JP2016507020A (ja) * 2013-01-23 2016-03-07 ヌオーヴォ ピニォーネ ソチエタ レスポンサビリタ リミタータＮｕｏｖｏ Ｐｉｇｎｏｎｅ Ｓ．Ｒ．Ｌ． ターボ機械の動翼係止組立体および固定方法
CN105723053A (zh) * 2013-01-23 2016-06-29 诺沃皮尼奥内股份有限公司 涡轮机的轮叶锁定组件和固定方法
US9422820B2 (en) 2013-01-23 2016-08-23 Nuovo Pignone Srl Method and system for self-locking a closure bucket in a rotary machine
RU2700309C2 (ru) * 2013-01-23 2019-09-16 Нуово Пиньоне СРЛ Турбомашина, замковое устройство для лопаток и способ закрепления лопатки
CN113833692A (zh) * 2020-06-24 2021-12-24 中国航发商用航空发动机有限责任公司 压气机转子叶片组件的装配方法
CN113833692B (zh) * 2020-06-24 2023-05-26 中国航发商用航空发动机有限责任公司 压气机转子叶片组件的装配方法

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DE102008048261A1 (de) 2010-04-01

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