EP2641658A1 - Moteur d'engrenage pour un système d'entraînement de moulin - Google Patents

Moteur d'engrenage pour un système d'entraînement de moulin Download PDF

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Publication number
EP2641658A1
EP2641658A1 EP13003158.6A EP13003158A EP2641658A1 EP 2641658 A1 EP2641658 A1 EP 2641658A1 EP 13003158 A EP13003158 A EP 13003158A EP 2641658 A1 EP2641658 A1 EP 2641658A1
Authority
EP
European Patent Office
Prior art keywords
chamber
geared motor
rotor
motor according
rotor member
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Withdrawn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
EP13003158.6A
Other languages
German (de)
English (en)
Inventor
Ali Kemal Kücükyavuz
Friedhelm Pötter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Siemens Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to EP13003158.6A priority Critical patent/EP2641658A1/fr
Publication of EP2641658A1 publication Critical patent/EP2641658A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/006—Ring or disc drive gear arrangement

Definitions

  • Known mill drive systems include one or more gear stages for driving power conversion of an electric motor.
  • Gear stages and electric motor are closely linked to a processing process within e.g. a power plant coupled to a bowl mill, a mixing drum, a crusher, a tube mill or a rotary kiln, which is subject to considerable repercussions of the processing process.
  • bevel gear stages are used to connect the electric motor to the drive train.
  • WO 2008/031694 A1 discloses a mill drive system having a gear unit locatable below a grinding table.
  • the transmission comprises at least one planetary stage and has a vertical shaft position.
  • an electric motor is integrated, the rotor and stator having vertically extending axes.
  • WO 2009/068484 A1 is a spur gear with one or more gear stages for driving a gearwheel enclosed by a work machine described which comprises a gearbox receiving gear housing and arranged on an output shaft of an output stage, adjustable movable pinion meshing with the ring gear.
  • the gear housing consists of a first inherently rigid housing part and a second rigid housing part.
  • the first housing part encloses the output stage with the output shaft and the adjustable pinion gear and has the transmission on outstanding side walls, which rest on the foundation.
  • the second housing part is fastened to the first housing part without contact with the foundation on one end face.
  • WO 2010/20287 is a mill drive system with an integrated motor-gear unit is known which has a common cooling circuit.
  • the motor-gear unit is supported on a bottom plate of a housing comprising the motor-gear unit.
  • a mill drive system is described with a disposable below a grinding table gear with at least one planetary and / or spur and an integrated in a housing of the transmission electric motor.
  • the mill drive system comprises an inverter with an associated control device for gear-less speed control of the motor.
  • the older European patent application EP 2 457 663 A1 discloses a geared motor for a mill drive system comprising a gearbox that is locatable below a grinding table or laterally of a grinding drum and having at least one planetary gear having either a vertical shaft position or a horizontal shaft position.
  • an electric motor is integrated in a housing of the transmission, which is connected to a lubricant supply circuit of the transmission.
  • a converter is provided with an associated control device for gear-free speed control of the motor.
  • a ring gear of the at least one planetary gear is radially surrounded by both a rotor and a stator of the motor.
  • the present invention is therefore an object of the invention to provide a geared motor for a mill drive system, which allows a cost-effective implementation of avoidable damage caused by short interruptions in the drive train.
  • the geared motor according to the invention for a mill drive system comprises a gearbox which can be arranged below or laterally of a grinding plate and has at least one planetary and / or spur gear stage which has a vertical or horizontal shaft position.
  • an integrated in a housing of the transmission electric motor is provided, the rotor and stator have parallel to the shaft position of the transmission extending axes.
  • An upper bearing cap and a lower bearing cap are mounted on opposite end faces of the rotor and stator, respectively, and include bearing seats for rotor shaft bearings.
  • the upper bearing cap and the lower bearing cap are preferably connected by a stator carrier. Between the lower bearing cap and a bottom part of the housing beyond a collecting tray for coolant is formed.
  • a torsional vibration damper is arranged, which comprises a primary part and a torsionally elastic connected to the primary part secondary part.
  • the primary part has an external toothing and the secondary part an internal toothing, wherein inner and outer toothing in the circumferential direction to each other have a predetermined game, wherein between game dependent spaced apart teeth of the primary part and the secondary part with a viscous liquid at least partially filled chambers are formed in which spring elements are respectively clamped between a tooth flank of the primary part and a tooth flank of the secondary part, wherein the chambers are connected in pairs via channels, each with a chamber pair associated balance chambers, wherein a channel between a first chamber of a chamber pair and the compensation chamber in a game-dependent falling below a predetermined minimum volume of the first chamber is closed, and wherein a channel between a second chamber of a chamber pair and the compensation chamber in a game-dependent Unterschrei th a predetermined minimum volume of the second chamber is closed.
  • the gear motor comprises a radially inwardly extending flange formed on an inner side of the housing to which the lower and / or upper bearing cap is / are connected and over which the motor is supported.
  • the geared motor according to the invention allows a simple assembly of a motor unit by hanging in the housing at the top and / or bottom bearing cap.
  • the motor can be supported substantially exclusively via the flange on the inside of the housing.
  • gearbox and engine is also a waiver of relatively expensive bevel gear possible.
  • leaf spring assemblies are arranged between the primary part and the secondary part of the torsional vibration damper, which are fastened with their ends on the primary part or on the secondary part.
  • the leaf spring packs are arranged, for example, within chambers filled with a viscous fluid.
  • the viscous fluid may be lubricating oil of the transmission.
  • the torsional vibration damper is formed by a coupling with elastic bolts, which are each arranged in a chamber enclosing this, for example, is filled with a viscous liquid.
  • the motor is a permanent-magnet inverterless synchronous machine.
  • FIG. 1 a geared motor for a mill drive system is shown, comprising a arranged below a grinding table gear 1 with two planetary stages 11, 12 having a vertical shaft position.
  • an electric motor 2 is integrated, the rotor 21 and stator 22 having vertically extending axes.
  • an upper bearing cap 23 and a lower bearing cap 24 are mounted on rotor 21 and stator 22, the bearing seats for rotor shaft bearings 26, 27 include.
  • the upper bearing cap 23 and the lower bearing cap 24 are connected via a stator 25 having cooling fins on an outer periphery. On these cooling fins 28 are mounted on the housing 3 pointed nozzles aligned. Between the lower bearing cap 24 and a bottom part of the housing 3, a collecting tray for coolant is formed.
  • the motor 2 is supported by a radially inwardly extending flange 34 formed on an inner side of the housing 3 to which the upper bearing cap 23 is connected.
  • the motor 2 is supported in the present embodiment exclusively via the flange 34 on the inside of the housing 3.
  • Both planetary stages 11, 12 each include a ring gear 111, 121, a planetary carrier 114, 124 with planetary gears 112, 122 and a sun gear 113, 123 mounted therein.
  • the ring gears 111, 121 of the planetary stages 11, 12 are fixedly connected to the housing 3.
  • the planet carrier 124 of a driven-side planetary stage 12 is supported by means of an axial bearing 125.
  • the sun gear 113 of the drive-side planetary stage 11 is connected to a rotor shaft of the motor 2.
  • Rotor shaft and sun gear shaft of the drive-side planetary stage 11 are preferably via a below or above the motor 2 arranged coupling connected.
  • the planet carrier 114 of the drive-side planetary stage 11 and the sun gear 123 of the output-side planetary stage 12 are connected to each other.
  • the engine 2 is connected to a lubricant supply or coolant circuit of the transmission 1. In this way, a cooling of the engine 2 by means of circulating through the gear 1 lubricant can take place.
  • a lubricating oil-tight sheath for sealing relative to inside the housing 3 circulating lubricant is provided.
  • a lubricating oil-tight sheathing of a stator core which includes windings of the stator 22.
  • a sleeve is provided for encapsulation of the stator 22.
  • the stator 22 has a clamping flange, a clamping element and an elastic seal. With the help of the clamping element, the elastic seal on the clamping flanges and the sleeve is pressed.
  • any suitable stator housing part may be used for encapsulating the stator 22 by the elastic seal exerting a pressure by a bias on this. Further details on the encapsulation of rotor 21 and stator 22 are the older German patent application DE 10 2009 034 158 A1 , the disclosure of which is hereby incorporated by reference.
  • a plurality of axially extending openings for a lubricant outlet from the gearbox 1 are provided in the sump below the motor 2.
  • the sump may be divided into an inner region for transmission lubricant and an outer region for engine coolant.
  • a torsional vibration damper which comprises a primary part 126, 211 and a secondary part 311, 212 which is connected in a torsionally elastic manner to the primary part 126, 211 and a rotor carrier to which rotor windings or rotor magnets are attached.
  • a torsional vibration damper is sufficient, which could for example also be arranged between the ring gear 111 of the drive-side planetary stage 11 and the housing 3.
  • leaf spring packets are arranged between the primary part 211 and the secondary part 212, which spring struts are fastened by their ends to the primary part 211 or to the secondary part 212.
  • the leaf spring assemblies are disposed within chambers filled with a viscous fluid, preferably gear lubricating oil.
  • the arranged on the ring gear 121 of the output-side planetary stage 12 torsional vibration damper is formed by a coupling with elastic bolts 311, which are each arranged in a surrounding this and filled with a viscous fluid chamber.
  • the bolts 311 are each connected to the housing 3 by means of a fastening screw 312.
  • the chambers are formed by bores extending parallel to the shaft position of the transmission 1 in a ring radially surrounding the ring gear 121 of the output-side planetary stage 12, which ring is formed on the ring gear 121, for example.
  • a torsional vibration damper with leaf spring assemblies may alternatively be arranged on one of the two ring gears 111, 121 as an arrangement on the engine 2. In an analogous manner, this also applies to the arranged on the ring gear 121 of the output-side planetary stage 12 torsional vibration damper, which may alternatively be arranged on the ring gear 111 of the drive-side planetary stage 11 or the motor 2.
  • a torsional vibration damper can also be realized by a fluid coupling or by a floating ring gear in which hydraulic or pneumatic dampers with spring elements or angle-dependent pressure connection between a ring gear and a ring gear carrier are arranged.
  • the motor 2 is a permanent-magnet inverterless synchronous machine whose rotor magnet system is welded in a stainless steel sheath. This allows particularly low electrical losses.
  • the rotor magnet system can be encased with a non-conductive or non-magnetic material.
  • gear motor is disposed between a hub of the rotor 21 and the lower bearing cap 24, a thrust bearing 27 for the rotor shaft.
  • the housing 3 is configured in two parts in the present embodiment and comprises a driven-side housing part 31 and a drive-side housing part 32.
  • a Gesimousetrennfuge 33 is provided in a region between the output-side planetary stage 12 and the drive-side planetary stage 11.
  • FIG. 2 an alternative embodiment of a torsional vibration damper is shown, in which the primary part 211 has an external toothing, while the secondary part 212 has an internal toothing. In this case, inner and outer teeth in the circumferential direction to each other on a given game.
  • Between play-dependent spaced apart teeth of the primary part 211 and the secondary part 212 are at least partially filled chambers 215, 216 formed with a viscous fluid, such as gear lubricating oil, in which disc springs 213 are clamped between a tooth flank of the primary part 211 and a tooth flank of the secondary part 212.
  • the chambers 215, 216 are connected in pairs via channels 217, 218, each with a chamber pair associated compensation chambers 214.
  • a channel 218 between a first chamber 215 of a chamber pair and the compensation chamber 214 is closed at a game-dependent falling below a predetermined minimum volume of the first chamber 215, while a channel 217 between a second chamber 216 of a chamber pair and the compensation chamber 214 in a game-dependent falling below a predetermined minimum volume of the second chamber 216 closed is.
  • the channel 218 between the first chamber 215 of a chamber pair and the compensation chamber 214 is completely open when a game-dependent falls below a predetermined minimum volume of the second chamber 216, while the channel 217 between a second chamber 216 of a chamber pair and the compensation chamber 214 in a game-dependent falling below a predetermined minimum volume of the first chamber 215 is fully open. In this case, a transition between a closing of a channel 217, 218 and a complete opening of a channel 217, 218 continuously.
  • FIG. 3 4 Another embodiment of a torsional vibration damper is in FIG. 3 4, in which the torsional vibration damper is arranged on the rotor 21, which comprises a permanent magnet arrangement and damper cage outer rotor element 411 spaced apart from an air gap by the stator 22, and a permanent magnet arrangement inner rotor element 412 arranged concentrically with the outer rotor element 411.
  • the outer rotor member 411 is rotatably connected to the rotor shaft 28, while the inner rotor member 412 is rotatably connected to a drive-side transmission shaft 29.
  • the outer rotor member 411 and the inner rotor member 412 are interconnected by a fluid coupling 313.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
EP13003158.6A 2011-02-24 2011-02-24 Moteur d'engrenage pour un système d'entraînement de moulin Withdrawn EP2641658A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13003158.6A EP2641658A1 (fr) 2011-02-24 2011-02-24 Moteur d'engrenage pour un système d'entraînement de moulin

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP20110155822 EP2492016B1 (fr) 2011-02-24 2011-02-24 Moteur d'engrenage pour un système d'entraînement de moulin
EP13003158.6A EP2641658A1 (fr) 2011-02-24 2011-02-24 Moteur d'engrenage pour un système d'entraînement de moulin

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP11155822.7 Division 2011-02-24

Publications (1)

Publication Number Publication Date
EP2641658A1 true EP2641658A1 (fr) 2013-09-25

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ID=44168463

Family Applications (2)

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EP13003158.6A Withdrawn EP2641658A1 (fr) 2011-02-24 2011-02-24 Moteur d'engrenage pour un système d'entraînement de moulin
EP20110155822 Not-in-force EP2492016B1 (fr) 2011-02-24 2011-02-24 Moteur d'engrenage pour un système d'entraînement de moulin

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20110155822 Not-in-force EP2492016B1 (fr) 2011-02-24 2011-02-24 Moteur d'engrenage pour un système d'entraînement de moulin

Country Status (3)

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EP (2) EP2641658A1 (fr)
CN (1) CN102649096B (fr)
ES (1) ES2429026T3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013200578A1 (de) * 2013-01-16 2014-07-17 Siemens Aktiengesellschaft Verfahren zur Antriebsregelung
EP3019275B1 (fr) * 2013-07-08 2019-08-28 FLSmidth A/S Agencement d'entraînement à haut rendement et broyeur
FR3033864B1 (fr) * 2015-03-17 2017-04-21 Cie Engrenages Et Reducteurs Messian Durand Reducteur pour broyeur a agitation, broyeur et utilisation correspondants
CN108302162B (zh) * 2018-01-26 2020-10-27 常州工学院 基于高阻尼柔性支承架的行星轮系及该支承架的设计方法
CN110259833B (zh) * 2019-05-28 2024-06-21 中信重工机械股份有限公司 一种大型双小齿轮驱动磨机的自由端小齿轮轴轴承座
CN114160266B (zh) * 2021-11-09 2023-07-21 山东欧威新材料有限公司 一种半导体原材料硅生产前二氧化硅加工设备

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1491699A (fr) * 1965-08-11 1967-08-11 Pametrada Perfectionnement aux engrenages épicycloïdaux
DE2701205A1 (de) * 1976-01-23 1977-07-28 Geislinger Dr Ing Leonard Drehschwingungsdaempfer bzw. schwingungsdaempfende und drehelastische kupplung
DE3931116A1 (de) 1989-09-18 1991-03-28 Krupp Polysius Ag Antriebseinrichtung fuer eine rollenmuehle
GB2250569A (en) * 1990-12-07 1992-06-10 Holset Engineering Co Torsional vibration damping or coupling mechanism
JP2005052799A (ja) 2003-08-07 2005-03-03 Seisa Gear Ltd 立形粉砕機用歯車装置
WO2008031694A1 (fr) 2006-09-14 2008-03-20 Siemens Aktiengesellschaft Broyeur pour le moulage de gros matériaux en vrac, du genre pierres, avec moteur parallèle à l'axe
WO2009068484A1 (fr) 2007-11-28 2009-06-04 Siemens Aktiengesellschaft Engrenage cylindrique
WO2010020287A1 (fr) 2008-08-22 2010-02-25 Maag Gear Ag Dispositif d'entraînement pour charges importantes et broyeur entraîné par ce dispositif
DE102009034158A1 (de) 2009-07-20 2011-02-03 Siemens Aktiengesellschaft Kapselung einer elektrischen Maschine
EP2295147A1 (fr) 2009-09-10 2011-03-16 Siemens Aktiengesellschaft Système d'entraînement de moulin
EP2457663A1 (fr) 2010-11-29 2012-05-30 Siemens Aktiengesellschaft Moteur d'engrenage pour un système d'entraînement de moulin

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2192310A (en) * 1938-06-30 1940-03-05 Stanley D Hartshorn Differential roll crusher
CH405853A (de) * 1963-06-10 1966-01-15 Indive Gmbh Umlaufrädergetriebe mit innenverzahntem Getriebering
US5667149A (en) * 1995-07-03 1997-09-16 Foster Wheeler Energy Corporation Solids pulverizer mill and process utilizing interactive air port nozzles
CN2518593Y (zh) * 2001-12-11 2002-10-30 林朝全 超微细粉输出机构具有连接座及固定盘的立式滚轮研磨机
DE10305915A1 (de) * 2003-02-13 2004-08-26 Alstom Power Boiler Gmbh Wälzmühle

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1491699A (fr) * 1965-08-11 1967-08-11 Pametrada Perfectionnement aux engrenages épicycloïdaux
DE2701205A1 (de) * 1976-01-23 1977-07-28 Geislinger Dr Ing Leonard Drehschwingungsdaempfer bzw. schwingungsdaempfende und drehelastische kupplung
DE3931116A1 (de) 1989-09-18 1991-03-28 Krupp Polysius Ag Antriebseinrichtung fuer eine rollenmuehle
GB2250569A (en) * 1990-12-07 1992-06-10 Holset Engineering Co Torsional vibration damping or coupling mechanism
JP2005052799A (ja) 2003-08-07 2005-03-03 Seisa Gear Ltd 立形粉砕機用歯車装置
WO2008031694A1 (fr) 2006-09-14 2008-03-20 Siemens Aktiengesellschaft Broyeur pour le moulage de gros matériaux en vrac, du genre pierres, avec moteur parallèle à l'axe
WO2009068484A1 (fr) 2007-11-28 2009-06-04 Siemens Aktiengesellschaft Engrenage cylindrique
WO2010020287A1 (fr) 2008-08-22 2010-02-25 Maag Gear Ag Dispositif d'entraînement pour charges importantes et broyeur entraîné par ce dispositif
DE102009034158A1 (de) 2009-07-20 2011-02-03 Siemens Aktiengesellschaft Kapselung einer elektrischen Maschine
EP2295147A1 (fr) 2009-09-10 2011-03-16 Siemens Aktiengesellschaft Système d'entraînement de moulin
EP2457663A1 (fr) 2010-11-29 2012-05-30 Siemens Aktiengesellschaft Moteur d'engrenage pour un système d'entraînement de moulin

Also Published As

Publication number Publication date
ES2429026T3 (es) 2013-11-12
EP2492016B1 (fr) 2013-09-18
CN102649096A (zh) 2012-08-29
EP2492016A1 (fr) 2012-08-29
CN102649096B (zh) 2015-01-21

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