CN102649096A - Gear motor for a mill drive system - Google Patents
Gear motor for a mill drive system Download PDFInfo
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- CN102649096A CN102649096A CN2012100418437A CN201210041843A CN102649096A CN 102649096 A CN102649096 A CN 102649096A CN 2012100418437 A CN2012100418437 A CN 2012100418437A CN 201210041843 A CN201210041843 A CN 201210041843A CN 102649096 A CN102649096 A CN 102649096A
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- chamber
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- variable speed
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- bearing cap
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- 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
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Abstract
Provided is a gear motor for a mill drive system. The gear motor comprises a transmission which can be disposed below or at the side of a millstone and has at least one planetary gear level and/or cylinder gear level. The transmission has a vertical or horizontal shaft position. An electric motor is built inside a housing and has a rotor and a stator arranged in parallel to the position of a gear shaft. An upper bearing cap and a lower bearing cap are mounted on the opposite end faces on the rotor and/or stator, and are provided with a bearing seat for a rotor shaft bearing. A collecting groove for cooling medium is disposed between the lower bearing cap and the bottom component of the housing. A torsional vibration damper comprising a torsionally flexible primary portion and a secondary portion, is formed between a gear ring of the transmission and the housing, or axially between the rotor shaft and the rotor bearing piece. The sub-bearing piece is fixed with a rotor winding and/or a rotor magnet.
Description
Technical field
The present invention relates to a kind of variable speed driver that is used for the grinding machine drive system.
Background technology
Known grinding machine drive system comprises one or more gear stages of the driving power conversion that is used for electro-motor.At this, gear stage and motor form the power train of close-coupled in the processing procedure in for example ball mill, mixing drum, disintegrating machine, tube mill or rotary furnace, and said power train receives the significant reaction of processing procedure.Normally, use the bevel gear level that electro-motor is connected on the power train.
A kind of driving arrangement that is used for grinding machine for vertical make of explanation in DE 39 31 116 A1, wherein, the housing of additional transmissions is screwed with grinding machine regularly.In this case, need be with the axis accurate pointing away from each other of driving pinion and gear ring.In addition, axial grinding power imports in the common case of transmission through thrust bearing and causes the remarkable load for the engagement in additional transmissions.Because common, big speed changer inner chamber and grinding machine bearing cavity impel the lubricating oil that is used for driving arrangement to pollute fast.In addition, owing to lack the compensation of unnecessary restraining force, the power dividing of the machinery in additional transmissions is proved to be debatable.
Known a kind of driving arrangement that is used for vertical disintegrating machine from JP 2,005 052799 A, it drives through the gear ring on rotating bottom disc, perhaps drives through multistage bevel gear speed changer.Owing to lack the motility adjusted on the driven level of driving arrangement, be transferred in the driving arrangement from the impact load of process, especially in the tooth portion of driving arrangement.
WO 2008/031694 A1 discloses a kind of grinding machine drive system, and this grinding machine drive system has the speed changer that can be arranged on the mill below.Said speed changer comprises at least one planetary stage, and has vertical shaft position.Electro-motor is integrated in the housing of speed changer; Said electro-motor is connected on the lubricant cycle of speed changer; The stator of said electro-motor and rotor have the axis of vertical extension, and carry out the cooling of said electro-motor by means of the lubricant that cycles through speed changer.
A kind of roller gear speed changer that is used to drive the machine for doing work of surrounding of explanation in WO 2009/068484 A1 by gear ring; Said roller gear speed changer has one or more gear stages; Said roller gear speed changer comprises pinion, said pinion and gear ring engagement on case of transmission that holds gear stage and the driven shaft that is arranged on driven level, that can adjust motion.Case of transmission is made up of second housing parts of self unbending first housing parts and rigidity.First housing parts surrounds the driven level with driven shaft and the pinion that can adjust motion, and has the sidewall that protrudes in speed changer, and said sidewall is positioned on the pedestal.Second housing parts is not fixed on first housing parts at distolateral place with pedestal contiguously.
Known a kind of grinding machine drive system with integrated motor-gearbox unit from WO 2010/20287, said motor-gearbox unit has common cool cycles.Motor-gearbox unit is supported on the base plate of the housing that comprises motor-gearbox unit.
, application number introduced a kind of grinding machine drive system in being 09011589.0 european patent application formerly; Said grinding machine drive system has the speed changer that can be arranged on the mill below, and said speed changer has at least one epicyclic gear stage and/or cylindrical gear level and is integrated into the electro-motor in the case of transmission.In addition, the grinding machine drive system comprises current transformer, and said current transformer has the control device that is used to not have ground, back lash control motor rotary speed of being attached troops to a unit.
A kind of variable speed driver that is used for the grinding machine drive system is disclosed in application number is 10015077.0 european patent application formerly; Said variable speed driver comprises can be arranged on mill below or at the speed changer of the side direction of grater; Said speed changer has at least one epicyclic gear stage, and said speed changer has the vertical position of bearings or the position of bearings of level.In addition, electro-motor is integrated in the housing of speed changer, and said electro-motor is connected on the lubricant cycle of speed changer.In addition, be provided with and have being used to of being attached troops to a unit and do not have the current transformer of the control device of ground, back lash control motor rotary speed.The gear ring of at least one epicyclic gear stage is radially surrounded by the rotor and the stator of motor.
Summary of the invention
Therefore, the present invention is based on of task is a kind of variable speed driver that is used for the grinding machine drive system is provided, but said variable speed driver implemented with low cost to be avoided the speed changer damage that causes owing to the short interruption in power train.
According to the present invention; This task realizes through a kind of variable speed driver that is used for the grinding machine drive system; Said variable speed driver have the below that can be arranged on mill or side direction speed changer, be integrated into electronic motor, the bearing cap on top and the bearing cap and the torsional vibration damper of bottom in the housing of said speed changer; Said speed changer has at least one epicyclic gear stage and/or roller gear level; Said speed changer has shaft position vertical or level; The rotor of said motor and stator have the axis of the said shaft position extension that is parallel to said speed changer; The bearing cap on said top and the bearing cap of said bottom are assemblied in opposed distolateral on rotor and/or the stator and go up and comprise the bearing block that is used for rotor shaft bearings; Be configured in feeder between the bottom part of bearing cap and said housing of said bottom, that be used for cooling medium, said torsional vibration damper comprises primary components and the secondary that is connected with said primary components elasticity of torsion ground, and is arranged between the gear ring and said housing of said speed changer; Perhaps be arranged on diametrically between armature spindle and the rotor bearing part, on said rotor bearing part, be fixed with rotor winding and/or rotor magnet.The favourable improvement project of the present invention provides hereinafter.
The variable speed driver that is used for the grinding machine drive system according to the present invention comprises the below that is arranged on mill or the speed changer of side direction, said speed changer have at least one epicyclic gear stage and/or roller gear right, said speed changer has shaft position vertical or level.In addition, be provided with the electro-motor in the housing that is integrated into speed changer, the rotor of said electro-motor and stator have the axis of the shaft position extension that is parallel to speed changer.The bearing cap on top and the bearing cap of bottom are assemblied on opposed distolateral on rotor and/or the stator, and comprise the bearing block that is used for rotor shaft bearings.The bearing cap on top preferably is connected through the stator bearing part with the bearing cap of bottom.In addition, between the bottom part of the bearing cap of bottom and housing, be configured for the feeder of cooling medium.Variable speed driver preferably includes and is configured in flange on the housing inboard, that extend radially inwardly, and the bearing cap bottom and/or top connects by said flange, and motor supports through said flange.Between the gear ring of speed changer and housing or between rotor shaft bearings and rotor bearing part, torsional vibration damper is set diametrically; Said torsional vibration damper comprises primary components and the secondary that is connected with primary components elasticity of torsion ground, on said rotor bearing part, is fixed with rotor winding and/or rotor magnet.Need not be used for motor rotary speed by this way and control and be used for the current transformer of decoupling between power supply and motor torsional moment, the tooth portion when the short interruption that is caused by power failure damages so that for example can avoid.
In addition, variable speed driver according to the present invention is through being hanging to the simple assembling that has realized motor unit in the housing at bearing cap top and/or the bottom place.At this, motor can basically only be supported on the inboard of housing through flange.In addition, through the vertical fully perhaps arrangement of level of mill, speed changer and motor, can abandon relatively costly bevel gear speed changer.
According to preferred improvement project of the present invention, between the primary components of torsional vibration damper and secondary, laminated spring is set, the end of said laminated spring is fixed on primary components or the secondary.Laminated spring for example is arranged within the chamber of filling with viscous liquid.Viscous liquid can be the lubricating oil of speed changer.Obtain having the especially effectively embodiment of torsional vibration damper of the torsional rigidity of high damping and reduction thus.This also is applicable to other embodiments of the present invention, wherein, constitutes torsional vibration damper through the shaft coupling with resilient key, and said pin is separately positioned in the chamber that surrounds these pins, and said chamber is for example filled with viscous liquid.
Description of drawings
Below, according to accompanying drawing by the present invention of embodiment sets forth in detail.Wherein:
Fig. 1 illustrates the variable speed driver that is used for the grinding machine drive system according to of the present invention with cutaway view;
Fig. 2 illustrates an embodiment who is used for according to the torsional vibration damper of the variable speed driver of Fig. 1;
Fig. 3 illustrates another embodiment that is used for according to the torsional vibration damper of the variable speed driver of Fig. 1.
The specific embodiment
At the variable speed driver that is used for the grinding machine drive system shown in Fig. 1, said variable speed driver comprises having speed changer 1 two planetary stages 11,12, that be arranged on the mill below, and said planetary stage has vertical shaft position.Electro-motor 2 is integrated in the housing 3 of speed changer 1, and the rotor 21 and the stator 22 of said electro-motor has the axis of vertical extension.Opposed distolateral on, the bearing cap 24 of bearing cap on top 23 and bottom is assembled on rotor 21 and the stator 22, the bearing cap on said top and the bearing cap of said bottom comprise the bearing block that is used for rotor shaft bearings 26,27.The bearing cap 23 on top and the bearing cap 24 of bottom are connected through stator bearing part 25, and said stator bearing part has fin 28 shown in figure 2 on periphery.The sharp mouth 35 that is assemblied on the housing 3 is aimed at these fin 28.Between the bottom part of the bearing cap 24 of bottom and housing 3, be configured for the feeder of cooling medium.
Motor 2 supports through flange 34 on the inboard that is formed in housing 3, that extend radially inwardly, and the bearing cap 23 on top is connected with said flange.Motor 2 only is supported on the inboard of housing 3 through flange 34 in current embodiment.
Two planetary stages 11,12 comprise gear ring 111,121 respectively, have planet carrier 114,124 and sun gear 113,123 at the planetary gear 112,122 of interior support.The gear ring 111,121 of planetary stage 11,12 is connected with housing 3 regularly.The planet carrier 124 of the planetary stage 12 of slave end is by means of cod 125 supportings.The sun gear 113 of the planetary stage 11 of driving side is connected with the armature spindle of motor 2.
The armature spindle of the planetary stage 11 of driving side preferably is connected through the shaft coupling that is arranged on motor 2 belows or top with sun wheel shaft.In addition, in current embodiment, the sun gear 123 of the planet carrier 114 of the planetary stage 11 of driving side and the planetary stage 12 of slave end interconnects.
Motor 2 is connected on the lubricant cycle or cooling medium circulation of speed changer 1.Can carry out the cooling of motor 2 by means of the lubricant that cycles through speed changer 1 by this way.On rotor 21, be provided with the outer cover that is used to be sealed in the seal oil of the lubricant of circulation in the housing 3.Preferably, with the outer air-gap place that is connected in the radial direction between rotor 21 and stator 22 that covers on of the seal oil of stator core lamination, said stator core lamination comprises the winding of stator 22 in the corresponding way.
For encapsulated stator 22, be provided with valve jacket.Except valve jacket, stator 22 has clamp flange, tightening member and elastic sealing element.By means of tightening member elastic sealing element is pressed onto on clamp flange and the valve jacket.Because pretension is applied to pressure on these stator case parts, can use any suitable stator case parts to come encapsulated stator 22 through flexible seal.Can from German patent application DE 10 2,009 034 158.7 formerly, know other details that are used for encapsulated rotor 21 and stator 22, at this with reference to its disclosure.
In rotor 21, be provided with a plurality of axially extended, be used for making lubricant to flow out to the opening of the feeder below motor 2 from speed changer 1.Feeder for example can be divided into inner zone that is used for the speed changer lubricant or the outer zone that is used for the motor cooling medium.
In current embodiment; Between the gear ring 121 of the planetary stage 12 of housing 3 and slave end; And additionally diametrically at armature spindle be fixed with between the rotor bearing part of rotor winding or rotor magnet and be respectively equipped with torsional vibration damper, said torsional vibration damper comprises primary components 126,211 and the secondary 311,212 that is connected with primary components 126,211 elasticity of torsions ground.In principle, a torsional vibration damper has been enough, and this torsional vibration damper for example also can be arranged between the gear ring 111 of planetary stage 11 of housing 3 and slave end.
In current embodiment, in the torsional vibration damper on being arranged on motor 2, between primary components 211 and secondary 212, be provided with laminated spring, the end of said laminated spring is fixed on the primary components 211 or is fixed on the secondary 212.Laminated spring is arranged in the chamber of filling with the viscous liquid that is preferably transmission oil.
The torsional vibration damper that is arranged on the gear ring 121 of planetary stage 12 of slave end is made up of the shaft coupling with resilient key 311, and said resilient key is separately positioned in the chamber that surrounds these pins and fill with viscous liquid.Pin 311 is connected with housing 3 by means of set bolt 312 respectively.Chamber is formed by the hole of the ring of the shaft position that is parallel to speed changer 1 gear ring 121 that extend, that be arranged in the planetary stage 12 that radially surrounds slave end, and said ring for example is formed on the gear ring 121.
Be arranged on the motor 2 for choosing, the torsional vibration damper with laminated spring can also be arranged on in two gear rings 111,121.This also is applicable to the torsional vibration damper on the gear ring 121 of the planetary stage 12 that is arranged on slave end in a similar fashion, and said torsional vibration damper can also be arranged on the gear ring 111 of planetary stage 11 of driving side as an alternative, perhaps is arranged on the motor 2.
In principle; Can also or realize torsional vibration damper through liquid clutch through the gear ring of floating support; In the gear ring of said floating support, by spring element or the pressure that depends on angle insert part with hydraulic pressure or pneumatic damper be arranged between gear ring and the gear ring bearing part.
In current embodiment, motor 2 is synchronous motors of the no current transformer of permanent magnet excitation, and the rotor magnet system of said synchronous motor is solded in the stainless steel clamshell.This has realized low especially electrical loss.Is that the rotor magnet system can coat with non-conductive or nonmagnetic material for selecting in this.
In the variable speed driver shown in Fig. 1, between the bearing cap 24 of the hub of rotor 21 and bottom, be provided with the cod 27 that is used for armature spindle.In addition, in current embodiment, housing 3 two-piece type ground constitute, and comprise the housing parts 31 of slave end and the housing parts 32 of driving side.At this, be provided with housing boundary seam 33 in the zone between the planetary stage 11 of the planetary stage 12 of slave end and driving side.
Select embodiment replacing of torsional vibration damper shown in Fig. 2, wherein, primary components 211 has outer toothed portion, and secondary 212 has internal tooth portion.At this, internal tooth portion and outer toothed portion upwards have preset gap in week each other.Between primary components 211 and secondary 212 and tooth that the gap is spaced apart from each other relevantly, be formed for the for example partially filled at least chamber 215,216 of viscous liquid of transmission oil; In said chamber, disc spring 213 clamps between the flank of tooth of the flank of tooth of primary components 211 and secondary 212 respectively.Chamber 215,216 is in couples through being connected in the right compensated chamber 214 of chamber passage 217,218 and corresponding attaching troops to a unit.When first chamber is no more than the preset minimum volume of first chamber 215 according to the volume in gap; Be closed at right first chamber 215 of chamber and the passage 218 between the compensated chamber 214; And when second chamber is no more than the preset minimum volume of second chamber 216 according to the volume in gap, be closed at right second chamber 216 of chamber and the passage 217 between the compensated chamber 214.
When second chamber is no more than the preset minimum volume of second chamber 216 according to the volume in gap; Open fully at right first chamber 215 of chamber and the passage 218 between the compensated chamber 214; And when first chamber is no more than the preset minimum volume of first chamber 215 according to the volume in gap, open fully at right second chamber 216 of chamber and the passage 217 between the compensated chamber 214.At this, the conversion between the opening fully of the sealing of passage 217,218 and passage 217,218 is carried out continuously.
Another embodiment at torsional vibration damper shown in Fig. 3; Wherein, Torsional vibration damper is arranged on the rotor 21; Said rotor comprises that said outer rotor elements has permanent magnet mechanism and damping cage through air-gap and stator 22 isolated outer rotor elements 411 and the inner rotor elements 412 that is concentric with 411 settings of outer rotor elements, and said inner rotor elements has permanent magnet mechanism.Outer rotor elements 411 is connected with armature spindle 28 antitorquely, and inner rotor elements 412 is connected with the power transmission shaft 29 of driving side antitorquely.Outer rotor elements 411 is connected to each other through fluid coupling 313 with inner rotor elements 412.Diametrically, between outer rotor elements and inner rotor elements, be provided with shielding part 314 adjustable, magnetic.When the revolutional slip between outer rotor elements 411 and inner rotor elements 412 was lower than predeterminable threshold value, the shielding part of this magnetic was disabled, so that between outer rotor elements 411 and inner rotor elements 412, set up magnetic couplings.
Application of the present invention is not limited to illustrated embodiment.
Claims (17)
1. be used for the variable speed driver of grinding machine drive system, have:
-can be arranged on the below of mill or the speed changer of side direction, said speed changer has at least one epicyclic gear stage and/or roller gear level, and said speed changer has shaft position vertical or level,
-being integrated into the electronic motor in the housing of said speed changer, the rotor of said motor and stator have the axis that the said shaft position that is parallel to said speed changer extends,
The bearing cap on-top and the bearing cap of bottom, the bearing cap on said top and the bearing cap of said bottom are assemblied in opposed distolateral on rotor and/or the stator and go up and comprise the bearing block that is used for rotor shaft bearings,
-be formed in feeder between the bottom part of bearing cap and said housing of said bottom, that be used for cooling medium,
-torsional vibration damper; Said torsional vibration damper comprises primary components and the secondary that is connected with said primary components elasticity of torsion ground; And be arranged between the gear ring and said housing of said speed changer; Perhaps be arranged on diametrically between armature spindle and the rotor bearing part, on said rotor bearing part, be fixed with rotor winding and/or rotor magnet.
2. variable speed driver according to claim 1; Wherein, Be provided with the stator bearing part of the bearing cap of the bearing cap that connects said top and said bottom, and wherein, be provided with flange on the inboard that is formed in said housing, that extend radially inwardly; The bearing cap of said bottom and/or the bearing cap on said top are connected with said flange, and said motor supports through said flange.
3. according to the described variable speed driver in one of claim 1 or 2, wherein, between said primary components and said secondary, be provided with laminated spring, the end of said laminated spring be fixed on the said primary components or said secondary on.
4. variable speed driver according to claim 3, wherein, said laminated spring is arranged in the chamber of filling with viscous liquid.
5. variable speed driver according to claim 4, wherein, said viscous liquid is the lubricating oil of said speed changer.
6. according to the described variable speed driver in one of claim 1 or 2, wherein, said primary components has outer toothed portion; And wherein, said secondary has internal tooth portion, and wherein; Internal tooth portion and outer toothed portion upwards have preset gap in week each other, and wherein, between the tooth that is spaced apart from each other according to the gap of said primary components and said secondary, form with the partially filled at least chamber of viscous liquid; In said chamber; Spring element is clamped between the flank of tooth of the flank of tooth of said primary components and said secondary respectively, and wherein, said chamber is in couples through being connected in the right compensated chamber of chamber passage and corresponding attaching troops to a unit; And wherein; When first chamber is no more than the preset minimum volume of first chamber according to the volume in gap, be closed at right first chamber of chamber and the passage between the said compensated chamber, and wherein; When second chamber is no more than the preset minimum volume of second chamber according to the volume in gap, be closed at right second chamber of chamber and the passage between the said compensated chamber.
7. variable speed driver according to claim 6; Wherein, When said second chamber is no more than the preset minimum volume of said second chamber according to the volume in gap, fully open at right said first chamber of chamber and the passage between the said compensated chamber, and wherein; When said first chamber is no more than the preset minimum volume of said first chamber according to the volume in gap, fully open at right second chamber of chamber and the passage between the said compensated chamber.
8. variable speed driver according to claim 7, wherein, the conversion between the opening fully of the sealing of passage and passage is carried out continuously.
9. according to the described variable speed driver of one of claim 6 to 8, wherein, said viscous liquid is the lubricating oil of said speed changer, and wherein, said spring element is a disc spring.
10. according to the described variable speed driver in one of claim 1 or 2, wherein, said torsional vibration damper is made up of the shaft coupling of rubber-like pin, and said pin is separately positioned in the chamber that surrounds said pin.
11. variable speed driver according to claim 10, wherein, said chamber is filled with the liquid of viscosity respectively.
12. according to the described variable speed driver in one of claim 1 or 2, wherein, said torsional vibration damper is arranged on the said rotor; Said rotor comprises through air-gap and the isolated outer rotor elements of said stator and is concentric with the inner rotor elements that said outer rotor elements is provided with, and wherein, said outer rotor elements is connected with said armature spindle antitorquely; And wherein; Said inner rotor elements is connected with the power transmission shaft of driving side antitorquely, and wherein, said outer rotor elements and said inner rotor elements are connected to each other through fluid coupling; And wherein; Diametrically, between said outer rotor elements and said inner rotor elements, be provided with shielding part that can adjust, magnetic, when the revolutional slip between said outer rotor elements and the said inner rotor elements is lower than can preset threshold value the time; Said shielding part is disabled, so that between said outer rotor elements and said inner rotor elements, set up magnetic couplings.
13. according to the described variable speed driver of one of claim 1 to 12, wherein, said motor only is supported on the said inboard of said housing through said flange basically.
14., wherein, between the bearing cap of rotor hub and said bottom, be provided with the cod that at least one is used for said armature spindle according to the described variable speed driver of one of claim 1 to 13.
15. according to the described variable speed driver of one of claim 1 to 14, wherein, said motor is connected on the lubricant cycle and/or cooling medium circulation of said speed changer.
16. according to the described variable speed driver of one of claim 1 to 15, wherein, said motor is the synchronous motor of permanent magnet excitation, the rotor magnet system of said synchronous motor is solded in the stainless steel clamshell.
17. according to the described variable speed driver of one of claim 1 to 16, wherein, said motor is the synchronous motor of the no current transformer of permanent magnet excitation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP11155822.7 | 2011-02-24 | ||
| EP20110155822 EP2492016B1 (en) | 2011-02-24 | 2011-02-24 | Gear motor for a mill drive system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102649096A true CN102649096A (en) | 2012-08-29 |
| CN102649096B CN102649096B (en) | 2015-01-21 |
Family
ID=44168463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210041843.7A Expired - Fee Related CN102649096B (en) | 2011-02-24 | 2012-02-22 | Gear motor for a mill drive system |
Country Status (3)
| Country | Link |
|---|---|
| EP (2) | EP2492016B1 (en) |
| CN (1) | CN102649096B (en) |
| ES (1) | ES2429026T3 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105073266A (en) * | 2013-01-16 | 2015-11-18 | 西门子公司 | Drive control method and drive system operating according to said method |
| CN107667236A (en) * | 2015-03-17 | 2018-02-06 | 梅西安-杜兰德齿轮公司 | Gear reduction unit and corresponding grinding machine and purposes for agitator mill |
| CN108302162A (en) * | 2018-01-26 | 2018-07-20 | 常州工学院 | The design method of planetary gear train and the bearing support based on high-damping flexible support stand |
| CN114160266A (en) * | 2021-11-09 | 2022-03-11 | 罗业基 | Silicon dioxide processing equipment before semiconductor raw material silicon production |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3019275B1 (en) | 2013-07-08 | 2019-08-28 | FLSmidth A/S | Heavy duty drive arrangement and mill |
| CN110259833B (en) * | 2019-05-28 | 2024-06-21 | 中信重工机械股份有限公司 | Free end pinion shaft bearing seat of large double-pinion driving mill |
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2011
- 2011-02-24 ES ES11155822T patent/ES2429026T3/en active Active
- 2011-02-24 EP EP20110155822 patent/EP2492016B1/en not_active Not-in-force
- 2011-02-24 EP EP13003158.6A patent/EP2641658A1/en not_active Withdrawn
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2012
- 2012-02-22 CN CN201210041843.7A patent/CN102649096B/en not_active Expired - Fee Related
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| CN2518593Y (en) * | 2001-12-11 | 2002-10-30 | 林朝全 | Vertical roller mill with supermicro fine powder output mechanism having connecting seat and fixing disk |
| DE10305915A1 (en) * | 2003-02-13 | 2004-08-26 | Alstom Power Boiler Gmbh | Rolling mill for e.g. dig-damp hard coal, includes driver with a ring engine that is concentric to a hollow shaft which in turn directly propels a meal plate, the shaft connected with a rotor |
| CN101516514A (en) * | 2006-09-14 | 2009-08-26 | 西门子公司 | Mill for milling rough, stone-like bulk material with parallel to the axis drive |
| WO2010020287A1 (en) * | 2008-08-22 | 2010-02-25 | Maag Gear Ag | Heavy-duty drive arrangement and mill driven by the same |
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| CN105073266A (en) * | 2013-01-16 | 2015-11-18 | 西门子公司 | Drive control method and drive system operating according to said method |
| CN105073266B (en) * | 2013-01-16 | 2016-12-07 | 西门子公司 | For the method driving control and the drive system worked according to the method |
| CN107667236A (en) * | 2015-03-17 | 2018-02-06 | 梅西安-杜兰德齿轮公司 | Gear reduction unit and corresponding grinding machine and purposes for agitator mill |
| CN108302162A (en) * | 2018-01-26 | 2018-07-20 | 常州工学院 | The design method of planetary gear train and the bearing support based on high-damping flexible support stand |
| CN108302162B (en) * | 2018-01-26 | 2020-10-27 | 常州工学院 | Planetary gear train based on high-damping flexible support frame and design method of support frame |
| CN114160266A (en) * | 2021-11-09 | 2022-03-11 | 罗业基 | Silicon dioxide processing equipment before semiconductor raw material silicon production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102649096B (en) | 2015-01-21 |
| EP2492016A1 (en) | 2012-08-29 |
| ES2429026T3 (en) | 2013-11-12 |
| EP2641658A1 (en) | 2013-09-25 |
| EP2492016B1 (en) | 2013-09-18 |
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