EP2581553B9 - Procédé et dispositif de mesure dynamique du balourd du rotor d'un composant intermédiaire de turbosoufflante - Google Patents

Procédé et dispositif de mesure dynamique du balourd du rotor d'un composant intermédiaire de turbosoufflante Download PDF

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Publication number
EP2581553B9
EP2581553B9 EP11184723.2A EP11184723A EP2581553B9 EP 2581553 B9 EP2581553 B9 EP 2581553B9 EP 11184723 A EP11184723 A EP 11184723A EP 2581553 B9 EP2581553 B9 EP 2581553B9
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EP
European Patent Office
Prior art keywords
housing
turbine
compressor
rotor
central housing
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
EP11184723.2A
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German (de)
English (en)
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EP2581553A1 (fr
EP2581553B1 (fr
Inventor
Matthias Breitwieser
Jochen Grossehelweg
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.)
Schenck RoTec GmbH
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Schenck RoTec GmbH
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 Schenck RoTec GmbH filed Critical Schenck RoTec GmbH
Priority to PL11184723T priority Critical patent/PL2581553T3/pl
Priority to EP11184723.2A priority patent/EP2581553B9/fr
Priority to HUE11184723A priority patent/HUE037381T2/hu
Publication of EP2581553A1 publication Critical patent/EP2581553A1/fr
Application granted granted Critical
Publication of EP2581553B1 publication Critical patent/EP2581553B1/fr
Publication of EP2581553B9 publication Critical patent/EP2581553B9/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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/027—Arrangements for balancing
    • 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
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/003—Arrangements for testing or measuring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/40—Application in turbochargers
    • 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
    • F05D2260/34—Balancing of radial or axial forces on regenerative rotors

Definitions

  • the invention relates to a method and apparatus for dynamically measuring the imbalance of the rotor of a turbocharger body group, the rotor comprising a turbine wheel, a compressor wheel and a shaft mounted in a center housing of the turbocharger body group.
  • Exhaust-driven turbochargers have a rotor that rotates in operation at a very high speed of often more than 100,000 revolutions per minute and therefore must be very precisely balanced to avoid noise and excessive bearing loads.
  • the rotor consists of a shaft mounted in a bearing housing, which carries a turbine wheel at one end and a compressor wheel at the other end. The measurement of the imbalance of the rotor is made for accuracy reasons usually at a substantially normal operating speed corresponding angular velocity.
  • Out EP 0 426 676 B1 is a method of the type specified for dynamically balancing the imbalance of the high-speed rotor of an exhaust-driven turbocharger known in which the turbocharger center housing in which the rotor is mounted, with a turbine housing enclosing the housing and the compressor enclosing housing is firmly connected and the so formed unit by means of flexible bellows hoses, which engage the two housings, is movably stored soft in a frame in all three spatial directions. Accelerometers are arranged on the housings whose acceleration signals are processed in conjunction with an optically measured phase angle to determine the size and position of the imbalance.
  • attached to the turbocharger center housing housing parts affect the vibration behavior and thus the measurement of imbalance considerably.
  • the invention has for its object to provide a method of the type mentioned above, which allows automatic implementation of the imbalance measurement with high accuracy and operating conditions. It is Another object of the invention to provide a particularly suitable for carrying out the method, simple and inexpensive device.
  • the method according to the invention enables a fully automatic measurement of the imbalance of a turbocharger rotor under operating-like conditions, i. under pressure. Nevertheless, the oscillatory mass is advantageously small, so that large vibration amplitudes can be achieved. Oscillations and resonances caused by coupled housings, which affect measurement accuracy, are avoided.
  • the compressor housing requires in contrast to the turbine housing no connections, because the air can be sucked from the atmosphere and flow freely back into this, but can be connected to hoses without any disadvantage.
  • the apparatus for carrying out the method is inexpensive, because no complicated clamping device for clamping the center housing during the measurement is needed. Accordingly, the handling when inserting or removing the turbocharger fuselage group is simple and automatic, for example, by means of a positionally precisely controllable handling gripper feasible.
  • the vibrations of the center housing can be measured without contact, for example by using a laser vibrometer to measure the vibrations.
  • the bearing elements can be very easily and very easily performed because they do not need any means to attach vibration sensors.
  • an advantageous apparatus for dynamically measuring the imbalance of the rotor of a turbocharger body group wherein the rotor comprises a turbine wheel, a compressor wheel and a shaft which is mounted in a center housing of the turbocharger body group, comprises a turbine wheel adapted to receive the turbine wheel , Turbine housing mounted on a machine bed, which is connected for accelerating the rotor by driving the turbine wheel by means of compressed air to a compressed air source and having a means of springs in at least two spatial directions movably mounted first bearing element on which the turbine side of the center housing in a movement of the center housing and the turbine wheel in the at least two spatial direction permitting distance from the turbine housing can be supported, a vibration sensor for measuring the vibration of the center housing, and a trained for receiving the compressor wheel, mounted on the machine bed compressor housing in that the compressor side of the center housing is supportable in a movement of the center housing and the compressor wheel in the at least two spatial directions permitting distance from the compressor housing, and by an attacking on the center housing, a second bearing member
  • the device according to the invention is easy to handle and allows a fully automatic implementation of the imbalance measurement.
  • the means for receiving the turbocharger hull group are simple and allow a cost effective Production of the device.
  • the first and / or second bearing element may be a simple to manufacture bearing ring which engages around a centering surface of the center housing.
  • On the turbine housing can advantageously be attached a flexible seal which is sealingly connectable to the middle housing.
  • a non-contact measuring vibration sensor for vibration measurement can be assigned to the center housing a non-contact measuring vibration sensor according to the invention, in particular a laser vibrometer.
  • a holding device for holding the turbocharger body group during the tensioning operation can be used according to the invention arranged on the turbine housing or the compressor housing clamping device or a positionally controllable handling gripper. Furthermore, the turbine housing and / or the compressor housing can be adjusted by an actuator in the axial direction for automatic clamping.
  • the drawing shows schematically the design of an unbalance measuring device with arranged therein turbocharger body group.
  • the unbalance measuring apparatus shown comprises a turbine housing 1, a compressor housing 2 and a machine bed 3.
  • the unbalance measuring device is intended and arranged to receive a turbocharger body group 4 comprising a center housing 5 with a rotor 6 mounted therein, a turbine wheel 7 at one end thereof and at its other end a compressor 8 has.
  • the middle housing 5 has on the compressor wheel 8 side facing a plate-shaped flange 9, on which the turbocharger body group 4 can be stretched.
  • a cylindrical annular collar 10, 11 is formed on the two end faces of the center housing. Between the turbine wheel 7 and the annular collar 10, a heat shield 12 is arranged.
  • the turbine housing 1 of the unbalance measuring device has a turbine chamber 13, a surrounding spiral channel 14 with not shown inlet and a central outlet channel 15.
  • an annular first bearing element 16 is arranged on the side facing the compressor housing 2 concentric with the turbine axis, which is held and supported axially and radially movably by means of springs 17 on the turbine housing 1.
  • the bearing element 16 has a bearing surface 18 orthogonal to the turbine axis for the middle housing 5 and the heat shield 12 and may additionally be provided with a centering surface if required.
  • the compressor housing 2 has, on the side facing the turbine housing 1, a compression chamber 20 with a central inlet channel 21 and a spiral channel 22, which adjoins the radially outer edge of the compression chamber 20. The outlet of the spiral channel 22 is not shown.
  • the compressor housing 2 is further provided with a clamping device 23 with rotatable clamping levers 24.
  • an annular second bearing element 25 which is arranged concentrically to the compressor axis and supported and held in the radial and axial directions by means of springs 26 on the compressor housing 2.
  • the bearing element 25 has a contact surface orthogonal to the compressor axis 27 and a cylindrical centering bore 28.
  • the turbine housing 1 is connected to the machine bed 3 by rigid attachment means 30.
  • the fasteners 30 are releasable and allow after loosening a movement of the turbine housing 1 in the axial direction to change the distance between the turbine housing 1 and the compressor housing 2 to the measure required for the imbalance measurement or for insertion and removal.
  • the storage of the compressor housing 2 may be formed with a mobility required for changing the distance.
  • a blockable actuator such as a pneumatic or hydraulic lifting cylinder or a linear motor can be used as a pneumatic or hydraulic lifting cylinder or a linear motor.
  • a non-contact measuring vibration sensor 31 is attached to the machine bed 3, which detects vibrations of the center housing 5 of the turbocharger body group 4.
  • the turbine housing 1 is previously solved on the machine bed 3 and axially removed from the compressor housing 2 until the necessary for the insertion distance between the turbine and compressor housing. Thereafter, the turbocharger body group 4 is inserted into the unbalance measuring device and first attached to the compressor housing 2 by the turbocharger body group 4 is inserted with the compressor 8 in the compressor housing 2 and the middle housing 5 is tensioned by means of the tensioning device 23 to the flange 9. The middle housing 5 is thereby kept in front of the compressor housing 2. The annular collar 11 of the middle housing 5 abuts axially against the contact surface 27 of the bearing element 25 and engages in the centering bore 28.
  • the turbine housing 1 After tightening the turbocharger body group 4 to the compressor housing 2, the turbine housing 1 is brought into the position shown in the drawing and attached to the machine bed 3.
  • an adjustable stop 32 By an adjustable stop 32, the appropriate position of the turbine housing 1 can be set on the machine bed. In this position, the voltage applied to the annular collar 10 heat shield 12 of the middle housing 5 passes to the storage on the bearing element 16 and the springs 17 and 26 are tensioned in the axial direction so far that the middle housing 5 is securely and limited movable from the bearing elements 16, 25 is held , In this position, the rotor 6 and the middle housing 5 have opposite the turbine housing 1 and the compressor housing 2 each such a distance that it does not come to a contact between them due to the vibrations occurring during a measurement run.
  • the insertion and holding of the turbocharger fuselage group 4 can take place during clamping by means of a positionally controllable handling gripper, which grips, inserts and holds the middle housing in position. After completion of the clamping operation of the handling gripper is opened and removed from the center housing.
  • the turbine wheel 7 is driven by compressed air and the rotor 6 is accelerated to a speed substantially corresponding to its normal operating speed.
  • a flexible seal can be attached to the turbine housing 1, which bears sealingly against the heat shield.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Testing Of Balance (AREA)
  • Supercharger (AREA)

Claims (15)

  1. Procédé de mesure dynamique du balourd du rotor d'un noyau de turbocompresseur, dans lequel le rotor comprend une roue de turbine, une roue de compresseur et un arbre logé dans un carter central du noyau de turbocompresseur, caractérisé par les étapes consistant :
    à agencer sur un socle de machine (3) un carter de turbine (1) et un carter de compresseur (2) qui sont espacés l'un de l'autre avec un écartement formant un espace intermédiaire,
    à fixer un premier élément de support (16) au carter de turbine (1) sur la face dirigée vers le carter de compresseur (2) à l'aide de moyens axialement et radialement élastiques,
    à fixer un deuxième élément de support (25) au carter de compresseur (2) sur la face dirigée vers le carter de turbine (1) à l'aide de moyens axialement et radialement élastiques,
    à positionner et à retenir le noyau de turbocompresseur (4) dans l'espace intermédiaire et entre le premier et le deuxième élément de support (16, 25) du noyau de turbocompresseur (4) au moyen d'un dispositif de retenue agissant sur le carter central (5),
    à réduire l'écartement entre le carter de turbine (1) et le carter de compresseur (2) et à monter le carter central (5) entre le premier et le deuxième élément de support (16, 25), de telle sorte que le carter central (5) est logé élastiquement dans au moins deux directions spatiales et que le carter de compresseur (2) entoure la roue de compresseur (8) et que le carter de turbine (1) entoure la roue de turbine (7) avec un écartement permettant les mouvements élastiques dans au moins deux directions spatiales,
    à retirer le dispositif de retenue du carter central,
    à agencer au moins un capteur de vibrations (31) destiné à mesurer les vibrations du carter central (5),
    à relier le carter de turbine (1) à une source d'air comprimé et à accélérer le rotor (6) par entraînement de la roue de turbine (7) au moyen d'air comprimé à une vitesse de travail sensiblement normale,
    à mesurer les vibrations induites par le balourd sur le carter central (5) pendant que le rotor (6) tourne à une vitesse de travail sensiblement normale,
    à déterminer la position de phase des vibrations induites par le balourd par rapport à la position angulaire du rotor (6) pour les vitesses de rotation de mesure pour lesquelles les vibrations induites par le balourd sont mesurées,
    à utiliser les vibrations induites par le balourd mesurées et la position de phase pour déterminer le balourd à compenser du rotor (6).
  2. Procédé selon la revendication 1, caractérisé en ce que les vibrations du carter central (5) sont mesurées sans contact.
  3. Procédé selon la revendication 2, caractérisé en ce qu'un vibromètre laser est utilisé pour mesurer les vibrations.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce qu'un dispositif de serrage (23) agencé sur le carter de turbine (1) ou sur le carter de compresseur (2) est utilisé comme dispositif de retenue.
  5. Procédé selon l'une des revendications 1 à 3, caractérisé en ce qu'un préhenseur de manipulation pouvant être commandé dans une position précise est utilisé comme dispositif de retenue.
  6. Procédé selon l'une des revendications 1 à 5, caractérisé en ce que le carter central (5) est centré par au moins l'un des premier et deuxième éléments de support (16, 25).
  7. Dispositif de mesure dynamique du balourd du rotor (6) d'un noyau de turbocompresseur (4), dans lequel le rotor (6) comprend une roue de turbine (7), une roue de compresseur (8) et un arbre logé dans un carter central (5) du noyau de turbocompresseur (4), comprenant un carter de turbine (1) conçu pour recevoir la roue de turbine (7) et logé sur un socle de machine (3), lequel carter peut être relié à une source d'air comprimé pour accélérer le rotor (6) par entraînement de la roue de turbine (7) au moyen d'air comprimé, et comporte un premier élément de support (16) qui est logé mobile dans au moins deux directions spatiales au moyen de ressorts (17) et contre lequel le côté turbine du carter central (5) peut s'appuyer dans l'écartement du carter de turbine (1) permettant des mouvements du carter central (5) et de la roue de turbine (7) dans les au moins deux directions spatiales, et comprenant un capteur de vibrations (31) destiné à mesurer la vibration du carter central (5), caractérisé par un carter de compresseur (2) logé sur le socle de machine (3) et conçu pour recevoir la roue de compresseur (8), lequel carter de compresseur comprend un deuxième élément de support (25) logé de manière à pouvoir se déplacer dans au moins deux directions spatiales au moyen de ressorts (26) et sur lequel le côté compresseur du carter central (5) peut s'appuyer dans un écartement du carter de compresseur (2) permettant des mouvements du carter central (5) et de la roue de compresseur (8) dans les au moins deux directions spatiales, et caractérisé par un dispositif de retenue libérable, qui agit sur le carter central (5) et par l'intermédiaire duquel le noyau de turbocompresseur (4) peut être maintenu entre le carter de turbine (1) et le carter de compresseur (2), le carter de turbine (1) et le carter de compresseur (2) pouvant être déplacés l'un par rapport à l'autre dans la direction axiale sur le socle de machine (3) de telle sorte que le carter central (5), à la suite d'une modification de l'écartement entre le carter de turbine (1) et le carter de compresseur (2), peut être monté entre le premier et le deuxième élément de support (16, 25).
  8. Dispositif selon la revendication 7, caractérisé en ce que le premier et/ou le deuxième élément de support (16, 25) sont une bague de roulement qui enserre une surface de centrage du carter central (5).
  9. Dispositif selon l'une des revendications 7 ou 8, caractérisé en ce qu'un joint flexible est fixé au carter de turbine (1), lequel joint peut être relié de façon étanche au carter central (5).
  10. Dispositif selon l'une des revendications 7 à 9, caractérisé en ce qu'un capteur de vibrations (31) effectuant une mesure sans contact est associé au carter central (5).
  11. Dispositif selon la revendication 10, caractérisé en ce que le capteur de vibrations (31) est un vibromètre à laser.
  12. Dispositif selon l'une des revendications 7 à 11, caractérisé en ce que le dispositif de retenue est un dispositif de serrage (23) agencé sur le carter de turbine (1) ou le carter de compresseur (2).
  13. Dispositif selon l'une des revendications 7 à 11, caractérisé en ce que le dispositif de retenue est un préhenseur de manipulation pouvant être commandé dans une position précise.
  14. Dispositif selon l'une des revendications 7 à 13, caractérisé en ce qu'une butée réglable (32) destinée à limiter le rapprochement axial entre le carter de turbine (1) et le carter de compresseur (2) est agencée sur le socle de machine (3).
  15. Dispositif selon l'une des revendications 7 à 14, caractérisé en ce que le carter de turbine (1) et/ou le carter de compresseur (2) peuvent être déplacés dans la direction axiale par un actionneur.
EP11184723.2A 2011-10-11 2011-10-11 Procédé et dispositif de mesure dynamique du balourd du rotor d'un composant intermédiaire de turbosoufflante Active EP2581553B9 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL11184723T PL2581553T3 (pl) 2011-10-11 2011-10-11 Sposób i urządzenie do dynamicznego pomiaru niewyważenia wirnika rdzenia turbosprężarki
EP11184723.2A EP2581553B9 (fr) 2011-10-11 2011-10-11 Procédé et dispositif de mesure dynamique du balourd du rotor d'un composant intermédiaire de turbosoufflante
HUE11184723A HUE037381T2 (hu) 2011-10-11 2011-10-11 Eljárás és eszköz gyorstöltõ törzscsoport forgórésze kiegyensúlyozatlanságának dinamikus mérésére

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11184723.2A EP2581553B9 (fr) 2011-10-11 2011-10-11 Procédé et dispositif de mesure dynamique du balourd du rotor d'un composant intermédiaire de turbosoufflante

Publications (3)

Publication Number Publication Date
EP2581553A1 EP2581553A1 (fr) 2013-04-17
EP2581553B1 EP2581553B1 (fr) 2018-03-14
EP2581553B9 true EP2581553B9 (fr) 2018-09-26

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EP11184723.2A Active EP2581553B9 (fr) 2011-10-11 2011-10-11 Procédé et dispositif de mesure dynamique du balourd du rotor d'un composant intermédiaire de turbosoufflante

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EP (1) EP2581553B9 (fr)
HU (1) HUE037381T2 (fr)
PL (1) PL2581553T3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3444463B1 (fr) * 2016-05-26 2021-09-01 Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. Dispositif de détection de déséquilibre et procédé de détection de déséquilibre
JP6625209B2 (ja) * 2016-05-26 2019-12-25 三菱重工エンジン＆ターボチャージャ株式会社 アンバランス検出装置、および、アンバランス検出方法
JP6831225B2 (ja) * 2016-12-07 2021-02-17 三菱重工エンジン＆ターボチャージャ株式会社 振動絶縁部材、および振動絶縁部材を備えるアンバランス検出装置
CN107560791B (zh) * 2017-09-25 2023-08-15 杭州集智机电股份有限公司 用于气体驱动定圆心可变直径的转子的连杆滑块装置
EP3760996B1 (fr) * 2018-09-06 2022-03-02 Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. Dispositif de maintien d'isolation contre les vibrations
CN112177963A (zh) * 2020-09-30 2021-01-05 张富宝 具有动平衡监测功能的汽车冷却风扇

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4864859A (en) 1988-07-25 1989-09-12 Allied-Signal Inc. Method for dynamically balancing a mechanism having a high speed rotating component
DE19754321A1 (de) 1997-12-08 1999-06-10 Schenck Rotec Gmbh Verfahren zur Unwuchtbestimmung und Unwuchtmeßeinrichtung
DE102005053786A1 (de) 2005-11-09 2007-05-10 Schenck Rotec Gmbh Verfahren und Vorrichtung zum dynamischen Messen der Unwucht eines Rotors
DE102008016937A1 (de) * 2008-04-01 2009-10-08 Daimler Ag Abgasturbolader für eine Brennkraftmaschine
DE102009008955B4 (de) * 2009-02-13 2013-05-29 Schenck Rotec Gmbh Verfahren und Vorrichtung zum dynamischen Messen der Unwucht des Rotors einer Turbolader-Rumpfgruppe

Also Published As

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PL2581553T3 (pl) 2018-09-28
EP2581553A1 (fr) 2013-04-17
HUE037381T2 (hu) 2018-08-28
EP2581553B1 (fr) 2018-03-14

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