WO2004001932A1 - Procede et dispositif pour monter une unite generatrice de courant - Google Patents

Procede et dispositif pour monter une unite generatrice de courant Download PDF

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Publication number
WO2004001932A1
WO2004001932A1 PCT/EP2003/006152 EP0306152W WO2004001932A1 WO 2004001932 A1 WO2004001932 A1 WO 2004001932A1 EP 0306152 W EP0306152 W EP 0306152W WO 2004001932 A1 WO2004001932 A1 WO 2004001932A1
Authority
WO
WIPO (PCT)
Prior art keywords
centering
rotor
stator
generator
bolts
Prior art date
Application number
PCT/EP2003/006152
Other languages
German (de)
English (en)
Inventor
Ernst Hatz
Franz Moser
Original Assignee
Motorenfabrik Hatz Gmbh & Co. Kg
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 Motorenfabrik Hatz Gmbh & Co. Kg filed Critical Motorenfabrik Hatz Gmbh & Co. Kg
Priority to KR10-2004-7020402A priority Critical patent/KR20050012285A/ko
Priority to JP2004514692A priority patent/JP2005531271A/ja
Priority to AU2003278223A priority patent/AU2003278223A1/en
Priority to EP03740229A priority patent/EP1516413A1/fr
Publication of WO2004001932A1 publication Critical patent/WO2004001932A1/fr
Priority to US11/018,040 priority patent/US20050104461A1/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/16—Centering rotors within the stator; Balancing rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1815—Rotary generators structurally associated with reciprocating piston engines

Definitions

  • the present invention relates to a method and arrangement for assembling a power generator unit comprising a generator and a reciprocating piston internal combustion engine as the drive. It relates in particular to the centering of an inner stator arranged with an air gap within an outer rotor.
  • Power generator units consisting of generator and driving reciprocating internal combustion engine, and their assembly are known.
  • DE 100 10 248 AI from the same applicant describes a power generator of this type with a stationary armature winding and permanent magnets arranged in the rotor to excite the generator, the rotor as the external rotor forming the flywheel of the diesel engine and the stator carrying the armature winding and being arranged within the rotor , Furthermore, the rotor is attached to a fan wheel, which in turn is flanged to the crankshaft of the drive motor.
  • the stator is constructed as iron sheet metal packet, which carries the armature winding and, by means of bolted * guided through bores in its sheet metal packet together, the laminated core exciting stator screws with an inner ring of an outflow side provided generator housing cover.
  • the rotor is designed as a laminated iron package, which carries the permanent magnets for generating a rotating magnetic field, and is screwed several times to the circumference of the fan wheel by means of tensioning screws guided through holes in its laminated core and tightening the laminated core.
  • the rotor is fastened to the fan wheel by the clamping screws, which in turn is flanged to the crankshaft of the drive motor.
  • the generator housing is attached to a motor-side connection housing using fastening screws.
  • the stator is attached to the housing cover of the generator housing using stator screws. Finally, the housing cover is placed on the generator housing and fastened there using screw bolts.
  • stator Since the stator is only positioned indirectly within the rotor, the stator can only be centered indirectly in the rotor.
  • the centering of the stator therefore depends on the following assembly tolerances: assembly tolerance when attaching the rotor to the fan wheel, assembly tolerance when attaching the generator housing to the motor-side connection housing, which in turn was already installed with an assembly tolerance on the fan wheel or crankshaft, assembly tolerance when attaching the stator to the housing cover and assembly tolerance when attaching the housing cover to the generator housing.
  • the object of the present invention is to overcome the disadvantages of the indirect centering of the stator within the rotor known in the prior art. According to a proposal of the invention, this object is achieved by the features of the independent claims. Advantageous embodiments of the invention are given by the features of the dependent claims.
  • a method for assembling a power generator unit comprising a generator and a reciprocating piston internal combustion engine as a drive, in particular for centering an inner stator arranged with an air gap within an outer rotor, is specified, which comprises the following step: First, the outer rotor of the generator is attached to the drive motor and connected to the drive system of the drive motor; This can be done, for example, in such a way that the rotor is connected to a fan wheel, which in turn is fastened on the end face to a crankshaft of the drive motor.
  • centering bolts offset in the circumferential direction are inserted into centering grooves provided in the rotor / stator for partial reception, seen in the radial direction, of centering bolts bridging the air gap.
  • the centering grooves are thus shaped in such a way that a centering pin inserted into a centering groove has a portion protruding from the centering groove in the radial direction.
  • stator is then centered within the rotor, the stator being inserted within the rotor along the centering bolts. If both the rotor and the stator have centering grooves, when the stator is centered, a centering bolt that has already been inserted into a centering groove of the rotor or stator is inserted into a centering groove of the rotor or stator that is opposite across the air gap.
  • stator is attached to the generator housing in a centered position.
  • stator can be attached to a housing cover to be attached to the generator housing.
  • the generator housing is in turn installed before or after the stator is attached to a motor-side connection housing.
  • centering bolts must be removed from the air gap. This can be done, for example, in that the centering bolts are pulled out of the generator through holes arranged in the housing cover.
  • centering pins are in a special shape, namely in the form of a cylinder part cut along the cylinder axis with a flat cut surface, there is the possibility of rotating the centering pins until they no longer have any portions protruding from a centering groove in the radial direction.
  • the prerequisite here is that a centering pin can find complete space in a centering groove, i. H. the flat cut surface in such an initially cylindrical centering pin must be positioned within the cylinder in such a way that the maximum vertical distance of a circumferential point from the cut surface is less than or equal to the depth of a centering groove.
  • the centering bolt should then be fixed in this position by a suitable restraint system, which can be done, for example, by a spring.
  • the stator is centered directly in the rotor in an extremely advantageous manner. Any assembly tolerances when assembling the rotor or other components, which play a role in the centering of the stator known in the prior art, are irrelevant here.
  • This arrangement comprises a power generator unit consisting of a generator and a reciprocating piston internal combustion engine as a drive, in particular a synchronous generator and a diesel engine, and centering pins provided for centering the stator within the rotor.
  • the generator has an outer rotor built on the drive motor and an inner stator attached to the generator housing.
  • the arrangement according to the invention is characterized in that the rotor or stator is provided on its circumferential surface adjacent to the air gap with at least two axially extending centering grooves which are open towards the air gap and in which a centering pin, as seen in the radial direction, is partially accommodated, and that on the Centering pin is centered on the other circumferential surface.
  • the centering grooves are thus shaped such that the centering bolts have portions protruding radially from the centering grooves.
  • both circumferential surfaces are provided with centering grooves, in which the centering bolts are partially received.
  • the rotor can be attached to a fan wheel, which in turn is attached to a crankshaft of the drive motor on the end face.
  • the rotor can also be designed, for example, as a laminated iron package which carries the permanent magnets for generating a rotating magnetic field and is screwed several times to the circumference of the fan wheel by means of tensioning screws guided through bores in its laminated core and tightening the laminated core.
  • the stator can be designed as a laminated iron package, which carries the armature winding, and is screwed to an inner ring of a generator housing cover provided on the outflow side by means of stator screws guided through bores in its laminated core and tightening the laminated core.
  • FIG. 1 is an axial section through a motor / generator unit according to section I-I of FIG. 2,
  • FIG. 2 is a view of the stator and the rotor of the motor generator unit according to section II-II of FIG. 1,
  • the electrical machine forming a power generator shown in FIGS. 1 and 2 relates to a unit comprising a drive motor and a synchronous generator.
  • the preferred drive motor is a diesel engine, of which only the connection-side end of its crankshaft 1 is shown in dashed lines.
  • a fan wheel 2 is attached to the front side of the crankshaft 1 by means of screws 3.
  • the fan wheel 2 has blades 4 for sucking in an air flow according to arrow L and for generating an air flow according to arrow S1 for engine cooling and arrow S2 for generator cooling.
  • a motor-side connection housing 5 encloses the space in which the fan wheel 2 is accommodated radially outwards; it is open to the engine and has on its opposite side an annular flange 6 with threaded holes for screwing in fastening screws 7 for the connection of the cylindrical generator housing 8, in which it is clamped flat on both end faces.
  • the fastening screws 7 are arranged on the inside of the generator housing 8 distributed over the circumference and span the entire length of the housing.
  • a generator housing cover 9 is provided, to which the stator 11 of the generator is attached.
  • stator screws 17 which are screwed through bores in the laminated core via spacer sleeves 20, are sufficient for fastening the stator.
  • the winding phases of the three-phase winding 28 of the generator are received in corresponding cutouts 38 in the laminated core of the stator 11.
  • the stator 11 is surrounded by the rotor 29, which is likewise constructed from a laminated core which is clamped together by means of clamping screws 30 which are screwed into corresponding threaded bores in the fan wheel 2 with a threaded end 31 on the motor side. Support sleeves 32 pushed onto the tensioning screws 30 are clamped between the fan wheel and the associated side of the rotor 29.
  • the rotor 29 is thus connected in a rotationally fixed manner to the fan wheel 2. On its inner circumference, it forms a narrow, approximately 2 mm wide air gap 33 with respect to the stator 11.
  • the rotor 29 has, in the axial direction, continuous pockets which run approximately circularly within two segments and into which magnetic elements 35 are inserted from both sides in the present example, as can be seen from FIG. 2, two rows of ten magnet elements 35 arranged next to one another per pole, which are responsible for the magnetic excitation of the generator.
  • the view according to FIG. 2 shows the rotor 29 which is fastened to the fan wheel 2 with four clamping screws 30.
  • polygonal cutouts are provided on the inner circumference of the rotor 29, which form open pockets in which magnetic elements 35 are inserted into the two poles.
  • the contour of the laminated core forming the rotor 29 can be seen, but also that of the laminated core forming the stator, which cutouts 38 for receiving the winding wires.
  • centering grooves 39 with a cross-sectional profile in the form of a pitch circle are left out in the rotor 29 on the inner circumference of the rotor for centering the stator 11.
  • centering grooves 41 are recessed in the outer circumference of the stator, which are also shaped with a cross-sectional profile in the form of a (here interrupted) partial circle.
  • the air gap is between the centering grooves.
  • a centering pin 40 inserted into the centering grooves 39, 41 of the rotor and stator bridges the air gap 33.
  • the rotor 29 is first attached to the fan wheel 2 of the drive motor. Then two cylindrically shaped centering bolts are inserted into the centering grooves 39 of the rotor. Since the centering grooves of the rotor 29 are shaped in the form of a pitch circle, they do not completely encompass the centering bolts in the radial direction, so that part of the centering bolts projects radially out of the centering grooves. Subsequently, the stator 11 is inserted into the rotor along the portions of the centering bolts which protrude from the centering grooves 39 of the rotor and are positioned at the same distance from the rotor around the outer circumference, ie inside the rotor 29. trated.
  • the inner circumferential surface of the rotor 29 and the outer circumferential surface of the stator 11 lie against the center pin 40.
  • the stator 11 is then screwed to the housing cover 9 in a centered position, and the housing cover 9 is fastened to the generator housing 8. Finally, the centering pins 40 are removed from the generator through holes 42 in the housing cover 9.
  • the relative position of the rotor and stator can be exchanged symmetrically, i. H. the rotor can be designed as an inner rotor and the stator as an outer stator.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

La présente invention concerne un procédé et un dispositif pour monter une unité génératrice de courant composée d'un générateur et d'un moteur à combustion interne à piston alternatif qui sert d'entraînement, notamment pour centrer un stator interne mis en place dans un entrefer à l'intérieur d'un rotor externe. Ledit procédé comprend les étapes suivantes: montage du rotor externe contre le moteur d'entraînement et connexion à son système d'entraînement; introduction d'au moins deux boulons de centrage décalés en direction circonférentielle dans des encoches de centrage disposées dans le rotor/stator pour recevoir partiellement (lorsqu'elles sont vues en direction radiale) les boulons qui traversent l'entrefer; centrage du stator dans le rotor par introduction du stator le long des boulons de centrage à l'intérieur du rotor; fixation du stator au boîtier de générateur et fixation du boîtier de générateur au boîtier de connexion du moteur d'entraînement; retrait des boulons de centrage de l'entrefer.
PCT/EP2003/006152 2002-06-25 2003-06-12 Procede et dispositif pour monter une unite generatrice de courant WO2004001932A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR10-2004-7020402A KR20050012285A (ko) 2002-06-25 2003-06-12 전기 발생 유닛을 조립하기 위한 방법 및 시스템
JP2004514692A JP2005531271A (ja) 2002-06-25 2003-06-12 発電ユニットを組み立てるための方法ならびに構成
AU2003278223A AU2003278223A1 (en) 2002-06-25 2003-06-12 Method and system for assembling an electricity generating unit
EP03740229A EP1516413A1 (fr) 2002-06-25 2003-06-12 Procede et dispositif pour monter une unite generatrice de courant
US11/018,040 US20050104461A1 (en) 2002-06-25 2004-12-21 Method and system for assembling an electricity generating unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10228225.0 2002-06-25
DE10228225A DE10228225B4 (de) 2002-06-25 2002-06-25 Verfahren und Anordnung zur Montage einer Stromerzeugereinheit

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/018,040 Continuation US20050104461A1 (en) 2002-06-25 2004-12-21 Method and system for assembling an electricity generating unit

Publications (1)

Publication Number Publication Date
WO2004001932A1 true WO2004001932A1 (fr) 2003-12-31

Family

ID=29795865

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/006152 WO2004001932A1 (fr) 2002-06-25 2003-06-12 Procede et dispositif pour monter une unite generatrice de courant

Country Status (8)

Country Link
EP (1) EP1516413A1 (fr)
JP (1) JP2005531271A (fr)
KR (1) KR20050012285A (fr)
CN (1) CN1663098A (fr)
AU (1) AU2003278223A1 (fr)
DE (1) DE10228225B4 (fr)
RU (1) RU2004134333A (fr)
WO (1) WO2004001932A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1672770A1 (fr) * 2004-12-16 2006-06-21 Etel S.A. Machine sans palier avec dispositif de transport immobilisant le rotor par rapport au stator
US7908735B2 (en) 2004-05-31 2011-03-22 Abb Oy Method and installation means for installing an electrical machine
CN102237742A (zh) * 2010-05-06 2011-11-09 斯维奇传动系统有限公司 电力机器及用于组装电力机器的方法
US8629591B2 (en) 2010-05-06 2014-01-14 Moventas Gears Oy Electromechanical device
US9464691B2 (en) 2010-05-06 2016-10-11 The Switch Drive Systems Oy Electromechanical device
US9525320B2 (en) 2010-05-06 2016-12-20 Moventas Gears Oy Electromechanical device with included gear stages and internal lubrication system
EP2339721B1 (fr) 2009-12-22 2021-01-27 EC Power A/S Montage d'un générateur à un moteur à combustion interne

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004024976B4 (de) * 2004-05-21 2008-01-24 Motorenfabrik Hatz Gmbh & Co. Kg Startvorrichtung für Stromerzeuger als Einheit aus Verbrennungsmotor und Generator
WO2014170940A1 (fr) * 2013-04-15 2014-10-23 三菱電機株式会社 Structure de maintien de rotor de machine electrique rotative pour vehicule hybride
JP6513240B1 (ja) * 2018-01-17 2019-05-15 三菱電機株式会社 モータ取り替え方法
GB201808132D0 (en) * 2018-05-18 2018-07-11 Electronica Products Ltd Electrical Machine
CN109531508B (zh) * 2019-01-09 2020-08-11 上海科泰电源股份有限公司 一种高压柴油发电机组装配对中调试工艺
CN109921563A (zh) * 2019-04-22 2019-06-21 弘允新能源（上海）有限公司 一种飞轮紧耦合式发电机
DE102019212534A1 (de) * 2019-08-21 2021-02-25 Vitesco Technologies Germany Gmbh Verfahren zur Anordnung einer elektrischen Maschine auf einem Getriebe

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5952746A (en) * 1997-05-22 1999-09-14 Still Gmbh Electrical machine and method for mounting such electrical machine on a unit
US6204577B1 (en) * 2000-01-05 2001-03-20 Jeffrey Eliot Chottiner Method and apparatus for space-saving installation of a starter-alternator
DE10010248A1 (de) * 2000-03-02 2001-09-13 Hatz Motoren Stromerzeuger als Einheit aus Antriebsmotor und Generator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2797358B1 (fr) * 1999-08-06 2001-08-31 Renault Dispositif electrique monte sur un groupe motopropulseur
DE10010268A1 (de) * 2000-03-02 2001-09-13 Hartmann Paul Ag Absorbierende Struktur sowie Verfahren zu deren Herstellung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5952746A (en) * 1997-05-22 1999-09-14 Still Gmbh Electrical machine and method for mounting such electrical machine on a unit
US6204577B1 (en) * 2000-01-05 2001-03-20 Jeffrey Eliot Chottiner Method and apparatus for space-saving installation of a starter-alternator
DE10010248A1 (de) * 2000-03-02 2001-09-13 Hatz Motoren Stromerzeuger als Einheit aus Antriebsmotor und Generator

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7908735B2 (en) 2004-05-31 2011-03-22 Abb Oy Method and installation means for installing an electrical machine
EP1672770A1 (fr) * 2004-12-16 2006-06-21 Etel S.A. Machine sans palier avec dispositif de transport immobilisant le rotor par rapport au stator
US7394177B2 (en) 2004-12-16 2008-07-01 Etel S.A. Frameless torque motor with a transport securing device
EP2339721B1 (fr) 2009-12-22 2021-01-27 EC Power A/S Montage d'un générateur à un moteur à combustion interne
CN102237742A (zh) * 2010-05-06 2011-11-09 斯维奇传动系统有限公司 电力机器及用于组装电力机器的方法
EP2385614A1 (fr) * 2010-05-06 2011-11-09 The Switch Drive Systems Oy Machine électrique et procédé pour l'assembler
KR101273089B1 (ko) 2010-05-06 2013-06-10 더 스위치 드라이브 시스템즈 오와이 전기기기 및 이를 조립하는 방법
US8629591B2 (en) 2010-05-06 2014-01-14 Moventas Gears Oy Electromechanical device
US8841815B2 (en) 2010-05-06 2014-09-23 The Switch Drive Systems Oy Electrical machine with guide bars for facilitating assembly and a method for assembling the electrical machine
US9464691B2 (en) 2010-05-06 2016-10-11 The Switch Drive Systems Oy Electromechanical device
US9525320B2 (en) 2010-05-06 2016-12-20 Moventas Gears Oy Electromechanical device with included gear stages and internal lubrication system

Also Published As

Publication number Publication date
DE10228225A1 (de) 2004-01-29
DE10228225B4 (de) 2004-05-19
RU2004134333A (ru) 2005-08-10
AU2003278223A1 (en) 2004-01-06
EP1516413A1 (fr) 2005-03-23
JP2005531271A (ja) 2005-10-13
KR20050012285A (ko) 2005-01-31
CN1663098A (zh) 2005-08-31

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