EP2380666A1 - Système d'entraînement de moulin - Google Patents
Système d'entraînement de moulin Download PDFInfo
- Publication number
- EP2380666A1 EP2380666A1 EP10004127A EP10004127A EP2380666A1 EP 2380666 A1 EP2380666 A1 EP 2380666A1 EP 10004127 A EP10004127 A EP 10004127A EP 10004127 A EP10004127 A EP 10004127A EP 2380666 A1 EP2380666 A1 EP 2380666A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive system
- housing
- rotor
- mill drive
- motor
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 11
- 239000000314 lubricant Substances 0.000 claims description 10
- 239000002826 coolant Substances 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19642—Directly cooperating gears
- Y10T74/19679—Spur
- Y10T74/19684—Motor and gearing
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 2009/068484 A1 is a spur gear with one or more gear stages for driving a gear wheel enclosed by a work machine described which includes 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.
- a mill drive system is described with a can be arranged 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 a converter with an associated control device for non-interlocking speed control of the motor.
- WO 2010/20287 a mill drive system is described with an integrated engine-transmission unit having a common cooling circuit.
- the motor-gear unit is supported on a bottom plate of a housing comprising the motor-gear unit.
- the present invention is therefore based on the object to provide an integrated mill drive system, which allows a simplified assembly of a motor unit and efficient cooling of the motor unit.
- the mill drive system comprises a can be arranged below a grinding plate transmission with at least one planetary and / or spur gear, which has a vertical shaft position.
- an electric motor is integrated in a housing of the transmission, the rotor and stator having vertically extending axes.
- an upper bearing cap and a lower bearing cap are mounted on opposite end faces on the rotor and stator, which include bearing seats for rotor shaft bearings.
- the upper bearing cap and the lower bearing cap are connected via a stator carrier which has cooling fins on an outer periphery. These fins can be used to align nozzles mounted on the enclosure or embedded in the enclosure. Between the lower bearing cap and a bottom part of the housing, a collecting tray for coolant is formed.
- coolant can be used for additional cooling of the engine.
- the motor is supported by a radially inwardly extending flange formed on an inner side of the housing to which the lower and / or upper bearing cap is connected. This allows a simple assembly of a motor unit of the mill drive system by hanging in the housing via the upper and / or lower bearing cap.
- the engine can essentially be supported only on the flange on the inside of the housing. By a completely vertical arrangement of grinding table, gearbox and engine is also a waiver of relatively expensive bevel gear possible.
- a cooling of the engine is preferably carried out by means of circulating through the gear lubricant or coolant.
- a lubricating oil-tight sheath for rotor or stator windings of the motor to seal against circulating within the housing lubricant may be provided.
- a preferred embodiment of the mill drive system according to the invention comprises a converter with an associated control device for non-interlocking speed control of the motor.
- an inverter for motor speed control, a decoupling between mains supply and motor torque is achieved. In this way, tooth damage during short interruptions due to a power failure can be avoided, as caused by a power failure due to the inventive speed control of the engine no gear play in the direction of rotation in the transmission.
- an inverter a variety of application-specific translation variants can be realized with a reduced number of Vernierungsbaumaschinemaschinemaschinemaschinemaschinemaschinen.
- the speed control the respective processing process can be operated with the mill drive system according to the invention, moreover, in an optimal operating point. This improves the efficiency of the milling process. This in turn allows a reduction in energy consumption.
- At least one thrust bearing for the rotor shaft is arranged between a rotor hub and the lower bearing cap.
- the transmission comprises at least two planetary stages, and this housing is designed at least in two parts.
- a Gesimousetrennfuge is provided in a region between a first and second planetary stage. In this way, an integrated mill drive system can be subdivided into readily transportable units that can be reassembled quickly at the installation site.
- the motor is a permanent-magnet synchronous machine whose rotor magnet system is welded into a stainless steel jacket. Since only small thermal losses occur on the rotor in this way, no rotor cooling is required.
- the motor can also be designed as a separately excited synchronous or asynchronous machine.
- FIG. 1 Mill drive system shown comprises a can be arranged below a grinding plate transmission 1 with two Planet stages 11, 12, which have 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, which on an outer circumference in FIG. 2 has shown cooling fins 28. On these cooling fins 28 mounted on the housing 3 pointed nozzles 35 are 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 connected via a coupling arranged below or above the motor 2.
- the planet carrier 114 of the drive-side planetary stage 11 and the sun gear 123 of the output-side planetary stage 12 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 is pressed onto the clamping flanges and the sleeve.
- any suitable stator housing part may be used 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 034 158.7 , 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.
- the motor 2 is a permanent-magnet synchronous machine whose rotor magnet system is welded into a stainless steel jacket. This allows particularly low electrical losses.
- the rotor magnet system can be encased with a non-conductive or non-magnetic material.
- mill drive system shown further comprises an inverter 4 with an associated control device for Vernierungsspiel990 speed control of the motor 2, so that there is no play between tooth flanks of the transmission 1 in the direction of rotation.
- Mechanical natural frequencies of a mill-gear-motor system become uncritical when using the inverter 4 due to a system component decoupling. Tooth flanks of the transmission 1 are held by applying a minimum torque under constant adhesion. As a result, direction-changing loads on the tooth flanks are largely prevented.
- 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 parts 32.
- a housing separation joint 33 is provided in a region between the output-side planetary stage 12 and the drive-side planetary stage 11.
- the outer diameter of the motor 2 is smaller than the inner diameter of the ring gears 111, 121 of the planetary stages 11, 12. In this way results in a production engineering simple construction of the mill drive system.
- the stator 22 is made of a plurality of circumferentially extending segments.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Retarders (AREA)
- Crushing And Grinding (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10004127.6A EP2380666B1 (fr) | 2010-04-19 | 2010-04-19 | Système d'entraînement de moulin |
ES10004127T ES2409115T3 (es) | 2010-04-19 | 2010-04-19 | Sistema de accionamiento de molino |
PCT/EP2011/054055 WO2011131430A1 (fr) | 2010-04-19 | 2011-03-17 | Système d'entraînement de broyeur |
EP11708868A EP2560764A1 (fr) | 2010-04-19 | 2011-03-17 | Système d'entraînement de broyeur |
US13/642,384 US8834312B2 (en) | 2010-04-19 | 2011-03-17 | Mill drive system |
RU2012148807/13A RU2522529C2 (ru) | 2010-04-19 | 2011-03-17 | Система мельничного привода |
CN201180019905.8A CN102858459B (zh) | 2010-04-19 | 2011-03-17 | 磨机驱动系统 |
CN201120171639.8U CN202212229U (zh) | 2010-04-19 | 2011-03-31 | 磨机驱动系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10004127.6A EP2380666B1 (fr) | 2010-04-19 | 2010-04-19 | Système d'entraînement de moulin |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2380666A1 true EP2380666A1 (fr) | 2011-10-26 |
EP2380666B1 EP2380666B1 (fr) | 2013-04-17 |
Family
ID=42565063
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10004127.6A Active EP2380666B1 (fr) | 2010-04-19 | 2010-04-19 | Système d'entraînement de moulin |
EP11708868A Withdrawn EP2560764A1 (fr) | 2010-04-19 | 2011-03-17 | Système d'entraînement de broyeur |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11708868A Withdrawn EP2560764A1 (fr) | 2010-04-19 | 2011-03-17 | Système d'entraînement de broyeur |
Country Status (6)
Country | Link |
---|---|
US (1) | US8834312B2 (fr) |
EP (2) | EP2380666B1 (fr) |
CN (2) | CN102858459B (fr) |
ES (1) | ES2409115T3 (fr) |
RU (1) | RU2522529C2 (fr) |
WO (1) | WO2011131430A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014207028A1 (fr) * | 2013-06-27 | 2014-12-31 | Siemens Aktiengesellschaft | Engrenage planétaire et procédé d'alimentation en huile de zones d'engrènement de dents et de portées d'appui d'un tel engrenage planétaire |
CN104632548A (zh) * | 2015-02-05 | 2015-05-20 | 杭州爱纬斯电子有限公司 | 外转子垂直轴行星齿轮增速器 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2409115T3 (es) | 2010-04-19 | 2013-06-25 | Siemens Aktiengesellschaft | Sistema de accionamiento de molino |
US10335797B2 (en) * | 2013-07-08 | 2019-07-02 | Flsmidth A/S | Heavy duty drive arrangement and mill |
EP2942223A1 (fr) | 2014-05-07 | 2015-11-11 | Siemens Aktiengesellschaft | Agencement d'axe d'entraînement |
CN109562390B (zh) * | 2016-07-29 | 2021-02-05 | 西门子股份公司 | 用于启动磨机的马达的驱控方法 |
ES2812207T3 (es) | 2017-06-14 | 2021-03-16 | Flender Gmbh | Transmisión de molino vertical |
EP3421844B1 (fr) | 2017-06-30 | 2020-08-26 | Flender GmbH | Système de support de roue satellite, engrenage de broyeur vertical et broyeur vertical |
EP3527846A1 (fr) * | 2018-02-19 | 2019-08-21 | IMS Gear SE & Co. KGaA | Dispositif moteur-transmission |
DE102018122540B3 (de) | 2018-09-14 | 2019-11-21 | Vertical Power Mills Technology AG | Vertikale Kugelmühle, Statorsegment für eine vertikale Kugelmühle und Verfahren zum Warten einer vertikalen Kugelmühle |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3931116A1 (de) | 1989-09-18 | 1991-03-28 | Krupp Polysius Ag | Antriebseinrichtung fuer eine rollenmuehle |
JP2005052799A (ja) | 2003-08-07 | 2005-03-03 | Seisa Gear Ltd | 立形粉砕機用歯車装置 |
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 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB463191A (en) | 1934-10-01 | 1937-03-23 | Traylor Engineering & Mfg Comp | Improvements in and relating to pulverizer mills |
US2321126A (en) * | 1941-04-03 | 1943-06-08 | Breuer Electric Mfg Co | Dust-tight blower |
US3576143A (en) | 1969-09-05 | 1971-04-27 | Sundstrand Corp | Constant speed drive and generator |
DE1957580A1 (de) | 1969-11-15 | 1972-01-05 | Pfeiffer Barbarossawerke | Muehlenantrieb |
US4087052A (en) | 1974-06-14 | 1978-05-02 | Ilok Power Co., Inc. | Vertical impact mill for the reduction of four micron finest powder |
US4198191A (en) * | 1978-04-07 | 1980-04-15 | General Electric Company | Vaporization cooled dielectric fluid pump |
SU871818A1 (ru) * | 1979-08-31 | 1981-10-15 | Сызранский турбостроительный завод | Валкова мельница |
CH658801A5 (de) * | 1982-10-29 | 1986-12-15 | Maag Zahnraeder & Maschinen Ag | Walzenschuesselmuehle. |
DE3320037C1 (de) * | 1983-06-03 | 1984-11-15 | Fritz Sauerwald Fabrik für Getriebebau, 5600 Wuppertal | Walzenschüsselmühlengetriebe |
SU1227238A1 (ru) * | 1983-11-10 | 1986-04-30 | Всесоюзный Научно-Исследовательский Институт Цементного Машиностроения | Привод вертикальной валковой мельницы |
US4930201A (en) | 1985-08-14 | 1990-06-05 | Kollmorgen Corporation | Method for manufacturing a composite sleeve for an electric motor |
CH672603A5 (fr) | 1987-04-09 | 1989-12-15 | Maag Zahnraeder & Maschinen Ag | |
US5524840A (en) * | 1993-12-17 | 1996-06-11 | Gygi; Martin H. | Milling device |
US6639334B2 (en) * | 2001-11-30 | 2003-10-28 | Ballard Power Systems Corporation | Jet impingement cooling of electric motor end-windings |
DE10305915A1 (de) | 2003-02-13 | 2004-08-26 | Alstom Power Boiler Gmbh | Wälzmühle |
US20060125337A1 (en) | 2003-11-21 | 2006-06-15 | Moshe Levnat | Stainless steel unsealed motor |
EP1848538A4 (fr) | 2005-07-05 | 2013-11-20 | Smidth As F L | Broyeur a cylindres |
ATE389128T1 (de) * | 2005-08-24 | 2008-03-15 | Maag Gear Ag | Schwerlastgetriebe für walzenschüsselmühlen |
DE102006043179A1 (de) | 2006-09-14 | 2008-03-27 | Siemens Ag | Mühle zum Mahlen von grobem, steinartigem Schüttgut mit achsparallelem Antrieb |
US7663272B2 (en) | 2007-10-15 | 2010-02-16 | Honeywell International Inc. | Motor housing and cooling fin assembly |
ATE539818T1 (de) | 2009-09-10 | 2012-01-15 | Siemens Ag | Mühlenantriebssystem |
ES2409115T3 (es) | 2010-04-19 | 2013-06-25 | Siemens Aktiengesellschaft | Sistema de accionamiento de molino |
-
2010
- 2010-04-19 ES ES10004127T patent/ES2409115T3/es active Active
- 2010-04-19 EP EP10004127.6A patent/EP2380666B1/fr active Active
-
2011
- 2011-03-17 WO PCT/EP2011/054055 patent/WO2011131430A1/fr active Application Filing
- 2011-03-17 EP EP11708868A patent/EP2560764A1/fr not_active Withdrawn
- 2011-03-17 US US13/642,384 patent/US8834312B2/en not_active Expired - Fee Related
- 2011-03-17 CN CN201180019905.8A patent/CN102858459B/zh active Active
- 2011-03-17 RU RU2012148807/13A patent/RU2522529C2/ru active
- 2011-03-31 CN CN201120171639.8U patent/CN202212229U/zh not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3931116A1 (de) | 1989-09-18 | 1991-03-28 | Krupp Polysius Ag | Antriebseinrichtung fuer eine rollenmuehle |
JP2005052799A (ja) | 2003-08-07 | 2005-03-03 | Seisa Gear Ltd | 立形粉砕機用歯車装置 |
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 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014207028A1 (fr) * | 2013-06-27 | 2014-12-31 | Siemens Aktiengesellschaft | Engrenage planétaire et procédé d'alimentation en huile de zones d'engrènement de dents et de portées d'appui d'un tel engrenage planétaire |
CN104632548A (zh) * | 2015-02-05 | 2015-05-20 | 杭州爱纬斯电子有限公司 | 外转子垂直轴行星齿轮增速器 |
Also Published As
Publication number | Publication date |
---|---|
US20130035189A1 (en) | 2013-02-07 |
EP2380666B1 (fr) | 2013-04-17 |
CN202212229U (zh) | 2012-05-09 |
RU2522529C2 (ru) | 2014-07-20 |
ES2409115T3 (es) | 2013-06-25 |
WO2011131430A1 (fr) | 2011-10-27 |
RU2012148807A (ru) | 2014-05-27 |
EP2560764A1 (fr) | 2013-02-27 |
CN102858459B (zh) | 2014-12-31 |
CN102858459A (zh) | 2013-01-02 |
US8834312B2 (en) | 2014-09-16 |
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