CN102649096B - Gear motor for a mill drive system - Google Patents
Gear motor for a mill drive system Download PDFInfo
- Publication number
- CN102649096B CN102649096B CN201210041843.7A CN201210041843A CN102649096B CN 102649096 B CN102649096 B CN 102649096B CN 201210041843 A CN201210041843 A CN 201210041843A CN 102649096 B CN102649096 B CN 102649096B
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- Prior art keywords
- chamber
- rotor
- variable speed
- motor
- bearing cap
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- Expired - Fee Related
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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
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
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 for mill drive system.
Background technology
Known mill drive system comprises one or more gear stages that the driving power for electro-motor converts.At this, gear stage and motor form close-coupled in the power train of the processing procedure in such as ball mill, mixing drum, disintegrating machine, tube mill or rotary furnace, and described power train is subject to the significant reaction of processing procedure.Normally, bevel gear level is used to be connected in power train by electro-motor.
A kind of driving arrangement for grinding machine for vertical make is described in DE 39 31 116 A1, and wherein, the housing of additional transmissions screws with grinding machine regularly.In this case, the axis accurate pointing away from each other by driving pinion and gear ring is needed.In addition, axial grinding power imports in common case of transmission the remarkable load caused for the engagement in additional transmissions by thrust bearing.Because common, large speed changer inner chamber and grinding machine bearing cavity impel the lubricating oil for driving arrangement to pollute fast.In addition, owing to lacking 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 for vertical disintegrating machine from JP 2,005 052799 A, it is driven by the gear ring on rotating bottom disc, or is driven by multistage bevel gear speed changer.Owing to lacking adjustable motility in the driven level of driving arrangement, the impact load from process is transferred in driving arrangement, in the teeth portion of especially driving arrangement.
WO 2008/031694 A1 discloses a kind of mill drive system, and this mill drive system has the speed changer that can be arranged on below mill.Described speed changer comprises at least one planetary stage, and has vertical shaft position.Electro-motor is integrated in the housing of speed changer, described electro-motor is connected in the lubricant supply circulation of speed changer, the stators and rotators of described electro-motor has the axis vertically extended, and carries out the cooling of described electro-motor by means of the lubricant cycling through speed changer.
Illustrate a kind of for driving the roller gear speed changer of the machine for doing work of being surrounded by gear ring in WO 2009/068484 A1, described roller gear speed changer has one or more gear stage, described roller gear speed changer comprises the case of transmission of accommodation gear stage and is arranged on pinion on the driven shaft of driven level, adjustable motion, and described pinion engages with gear ring.Case of transmission is made up of the second housing parts of self unbending first housing parts and rigidity.First housing parts surrounds the driven level of the pinion with driven shaft and adjustable motion, and has the sidewall protruding from speed changer, and described sidewall is positioned on pedestal.Second housing parts not with base into contact be fixed on the first housing parts at side place.
Known a kind of mill drive system with integrated motor-gearbox unit from WO 2010/20287, described motor-gearbox unit has common cool cycles.Motor-gearbox unit is supported on the base plate of the housing comprising motor-gearbox unit.
Be describe a kind of mill drive system in the european patent application formerly of 09011589.0 at application number, described mill drive system has the speed changer that can be arranged on below mill, the electro-motor that described speed changer has at least one epicyclic gear stage and/or cylindrical gear level and is integrated in case of transmission.In addition, mill drive system comprises current transformer, and described current transformer has attached troops to a unit for controlling the control device of motor rotary speed without back lash.
Be disclose a kind of variable speed driver for mill drive system in the european patent application formerly of 10015077.0 at application number, described variable speed driver comprises the speed changer of the side direction that can be arranged on below mill or at grater, described speed changer has at least one epicyclic gear stage, and described speed changer has vertical position of bearings or the position of bearings of level.In addition, electro-motor is integrated in the housing of speed changer, and described electro-motor is connected in the lubricant supply circulation of speed changer.In addition, be provided with have attached troops to a unit for controlling the current transformer of the control device of motor rotary speed without back lash.The gear ring of at least one epicyclic gear stage is radially surrounded by the rotor of motor and stator.
Summary of the invention
Therefore, the present invention is based on of task is, provides a kind of variable speed driver for mill drive system, and described variable speed driver can low cost realize, and avoids the transmission failure caused due to the short interruption in power train.
According to the present invention, this task is realized by a kind of variable speed driver for mill drive system, described variable speed driver has can be arranged on the below of mill or the speed changer of side direction, be integrated into the electronic motor in the housing of described speed changer, the bearing cap on top and the bearing cap of bottom and torsional vibration damper, described speed changer has at least one epicyclic gear stage and/or roller gear level, described speed changer has shaft position that is vertical or level, the rotor of described motor and stator have the axis of the described shaft position extension being parallel to described speed changer, bearing cap and the bearing cap of described bottom on described top to be assemblied on the opposite side on rotor and/or stator and the bearing block comprised for rotor shaft bearings, be configured between the bearing cap of described bottom and the bottom part of described housing, for the feeder of cooling medium, described torsional vibration damper comprise primary components and with the secondary component that is connected of described primary components elasticity of torsion ground, and be arranged between the gear ring of described speed changer and described housing, or be arranged between armature spindle and rotor bearing part diametrically, described rotor bearing part is fixed with rotor windings and/or rotor magnet, wherein, be provided with the stator bearing part connecting the bearing cap on described top and the bearing cap of described bottom, and wherein, be provided be formed in described housing inner side on, the flange extended radially inwardly, the bearing cap of described bottom and/or the bearing cap on described top and described Flange joint, and described motor is supported by described flange.The favourable improvement project of the present invention provides hereinafter.
Variable speed driver for mill drive system according to the present invention comprises and is arranged on the below of mill or the speed changer of side direction, and described speed changer has at least one epicyclic gear stage and/or roller gear pair, and described speed changer has shaft position that is vertical or level.In addition, be provided with the electro-motor be integrated in the housing of speed changer, the rotor of described electro-motor and stator have the axis of the shaft position extension being parallel to speed changer.The bearing cap on top and the bearing cap of bottom are assemblied on the opposed side on rotor and/or stator, and comprise the bearing block for rotor shaft bearings.The bearing cap on top is connected preferably by stator bearing part with the bearing cap of bottom.In addition, between the bearing cap and the bottom part of housing of bottom, be configured for the feeder of cooling medium.Variable speed driver preferably includes and is configured in flange on case inside, that extend radially inwardly, bottom and/or the bearing cap on top by described Flange joint, and motor is supported by described flange.Between the gear ring and housing of speed changer or diametrically torsional vibration damper is set between rotor shaft bearings and rotor bearing part, described torsional vibration damper comprise primary components and with the secondary component that is connected of primary components elasticity of torsion ground, described rotor bearing part is fixed with rotor windings and/or rotor magnet.The teeth portion such as when the short interruption caused by power failure there is no need for motor rotary speed control and the current transformer for decoupling between power supply and motor torsional moment by this way, can be avoided to damage.
In addition, variable speed driver according to the present invention by top and/or the bearing cap place of bottom be hanging in housing the simple assembling achieving motor unit.At this, motor can be supported on the inner side of housing by means of only flange substantially.In addition, by mill, speed changer and motor completely vertically or the arrangement of level, relatively costly bevel gear speed changer can be abandoned.
According to preferred improvement project of the present invention, between the primary components and secondary component of torsional vibration damper, arrange laminated spring, the end winding support of described laminated spring is on primary components or secondary component.Laminated spring is such as arranged on within the chamber of viscous liquid filling.Viscous liquid can be the lubricating oil of speed changer.Obtain the effective especially embodiment of the torsional vibration damper of the torsional rigidity with high damping and reduction thus.This is also applicable to other embodiments of the present invention, and wherein, form torsional vibration damper by the shaft coupling with resilient key, described pin is separately positioned in the chamber surrounding these pins, and described chamber is such as filled with viscous liquid.
Accompanying drawing explanation
Below, the present invention is illustrated in detail by embodiment with reference to the accompanying drawings.Wherein:
Fig. 1 illustrates according to the variable speed driver for mill drive system of the present invention with sectional view;
Fig. 2 illustrates an embodiment of the torsional vibration damper for the variable speed driver according to Fig. 1;
Fig. 3 illustrates another embodiment of the torsional vibration damper for the variable speed driver according to Fig. 1.
Detailed description of the invention
Variable speed driver for mill drive system shown in Figure 1, described variable speed driver comprise have two planetary stages 11,12, be arranged on speed changer 1 below mill, described planetary stage has vertical shaft position.Electro-motor 2 is integrated in the housing 3 of speed changer 1, and the rotor 21 of described electro-motor and stator 22 have the axis vertically extended.On opposed side, the bearing cap 23 on top and the bearing cap 24 of bottom are assembled on rotor 21 and stator 22, and the bearing cap on described top and the bearing cap of described bottom comprise the bearing block for rotor shaft bearings 26,27.The bearing cap 23 on top is connected by stator bearing part 25 with the bearing cap 24 of bottom, and described stator bearing part has fin on the outer periphery.The sharp mouth be assemblied on housing 3 aims at these fin.The feeder of cooling medium is configured between the bearing cap 24 and the bottom part of housing 3 of bottom.
Motor 2 supports by being formed in flange 34 on the inner side of housing 3, that extend radially inwardly, bearing cap 23 and the described Flange joint on top.Motor 2 is supported on by means of only flange 34 on the inner side of housing 3 in the ongoing illustrated embodiment.
Two planetary stages 11,12 comprise respectively gear ring 111,121, with the planet carrier 114,124 of the planetary gear 112,122 at interior support and sun gear 113,123.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 supports by means of cod 125.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 and sun wheel shaft are preferably by being arranged on below motor 2 or the shaft coupling of top is connected.In addition, in the ongoing illustrated 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 is interconnected.
Motor 2 is connected in the lubricant supply circulation of speed changer 1 or cooling medium circulation.The cooling of motor 2 can be carried out by this way by means of the lubricant cycling through speed changer 1.Rotor 21 is provided with the outer cover of the seal oil of the lubricant for being sealed in housing 3 Inner eycle.Preferably, in the corresponding way the outer cover of the seal oil of stator core lamination is connected in radial directions the air-gap place between rotor 21 and stator 22, described stator core lamination comprises the winding of stator 22.
In order to 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 valve jacket.Due to pretension, pressure is applied on this stator housing member by flexible seal, any applicable stator housing member can be used to carry out encapsulated stator 22.Other details for encapsulated rotor 21 and stator 22 can be known, at this with reference to its disclosure from German patent application DE 10 2,009 034 158.7 formerly.
Be provided with in rotor 21 multiple axially extended, for making lubricant flow out to the opening the feeder below motor 2 from speed changer 1.Feeder such as can be divided into the inner region for speed changer lubricant or the outer region for motor cooling medium.
In the ongoing illustrated embodiment, between the gear ring 121 of the planetary stage 12 of housing 3 and slave end, and additionally between armature spindle and the rotor bearing part being fixed with rotor windings or rotor magnet, be respectively equipped with torsional vibration damper diametrically, described torsional vibration damper comprise primary components 126,211 and with the secondary component that is connected of primary components 126,211 elasticity of torsion ground.In principle, a torsional vibration damper has been enough, and this torsional vibration damper such as also can be arranged between the gear ring 111 of the planetary stage 11 of housing 3 and slave end.
In the ongoing illustrated embodiment, being arranged in the torsional vibration damper on motor 2, between primary components 211 and secondary component 212, be provided with laminated spring, the end winding support of described laminated spring is on primary components 211 or be fixed on secondary component 212.Laminated spring is arranged on being preferably in the chamber of viscous liquid filling of transmission oil.
The torsional vibration damper be arranged on the gear ring 121 of the planetary stage 12 of slave end is made up of the shaft coupling with resilient key 311, described resilient key be separately positioned on surround these pin and with viscous liquid fill chamber in.Pin 311 is connected with housing 3 by means of set bolt 312 respectively.The hole of ring that chamber is extended by the shaft position being parallel to speed changer 1, that be arranged in the gear ring 121 of the planetary stage 12 of radial encirclement slave end is formed, and described ring is such as formed on gear ring 121.
Alternative is arranged on motor 2, and the torsional vibration damper with laminated spring can also be arranged on in two gear rings 111,121.This is also applicable to the torsional vibration damper on the gear ring 121 of the planetary stage 12 being arranged on slave end in a similar fashion, and described torsional vibration damper can also be arranged on the gear ring 111 of the planetary stage 11 of driving side as an alternative, or is arranged on motor 2.
In principle, torsional vibration damper can also be realized by liquid clutch or by the gear ring of floating support, in the gear ring of described floating support, by spring element or depend on that hydraulic pressure or pneumatic damper is arranged between gear ring and gear ring bearing part by the pressure access piece of angle.
In the ongoing illustrated embodiment, motor 2 is synchronous motors without current transformer of permanent magnet excitation, and the rotor magnet system of described synchronous motor is solded in stainless steel clamshell.This achieve electrical loss low especially.Alternative is in this, and rotor magnet system can be come coated with non-conductive or nonmagnetic material.
In variable speed driver shown in Figure 1, between the hub and the bearing cap 24 of bottom of rotor 21, be provided with the cod 27 for armature spindle.In addition, in the ongoing illustrated embodiment, housing 3 is formed in two style, and comprises the housing parts 31 of slave end and the housing parts 32 of driving side.At this, in the region between the planetary stage 12 and the planetary stage 11 of driving side of slave end, be provided with housing boundary seam 33.
The alternative embodiment of torsional vibration damper shown in Figure 2, wherein, primary components 211 has outer toothed portion, and secondary component 212 has interior teeth portion.At this, interior teeth portion and outer toothed portion have default gap each other in the circumferential.Primary components 211 and secondary component 212 with gap about form the chamber 215,216 that the viscous liquid for such as transmission oil fills at least partly between the tooth that is spaced apart from each other, in the cavity, disc spring 213 clamps respectively between the flank of tooth of primary components 211 and the flank of tooth of secondary component 212.Chamber 215,216 is connected with corresponding attaching troops to a unit in the compensated chamber 214 that chamber is right by passage 217,218 in couples.When the volume in the first chamber foundation gap is no more than the minimum volume preset of the first chamber 215, passage 218 between right the first chamber 215 of chamber and compensated chamber 214 is closed, and when the second chamber to be no more than the minimum volume preset of the second chamber 216 according to the volume in gap, the passage 217 between right the second chamber 216 of chamber and compensated chamber 214 is closed.
When the volume in the second chamber foundation gap is no more than the minimum volume preset of the second chamber 216, passage 218 between right the first chamber 215 of chamber and compensated chamber 214 is opened completely, and when the first chamber to be no more than the minimum volume preset of the first chamber 215 according to the volume in gap, the passage 217 between right the second chamber 216 of chamber and compensated chamber 214 is opened completely.At this, carry out continuously in the conversion closed between the opening completely of passage 217,218 of passage 217,218.
Another embodiment of torsional vibration damper shown in Figure 3, wherein, torsional vibration damper is arranged on rotor 21, described rotor comprises by air-gap and the isolated outer rotor elements 411 of stator 22 and is concentric with the inner rotor elements 412 that outer rotor elements 411 arranges, described outer rotor elements has permanent magnet mechanism and damping cage, and described inner rotor elements has permanent magnet mechanism.Outer rotor elements 411 is torsionally connected with armature spindle 28, and inner rotor elements 412 is torsionally connected with the power transmission shaft 29 of driving side.Outer rotor elements 411 and inner rotor elements 412 are connected to each other by fluid coupling 313.Diametrically, between outer rotor elements and inner rotor elements, shielding part 314 that is adjustable, magnetic is provided with.When the revolutional slip between outer rotor elements 411 and inner rotor elements 412 is lower than predeterminable threshold value, the shielding part of this magnetic is disabled, to set up magnetic couplings between outer rotor elements 411 and inner rotor elements 412.
Application of the present invention is not limited to illustrated embodiment.
Claims (16)
1., for the variable speed driver of mill drive system, have:
-below of mill or the speed changer of side direction can be arranged on, described speed changer has at least one epicyclic gear stage and/or roller gear level, and described speed changer has shaft position that is vertical or level,
-being integrated into electronic motor in the housing of described speed changer, the rotor of described motor and stator have the axis that the described shaft position that is parallel to described speed changer extends,
The bearing cap on-top and the bearing cap of bottom, bearing cap and the bearing cap of described bottom on described top to be assemblied on the opposite side on rotor and/or stator and the bearing block comprised for rotor shaft bearings,
-be formed between the bearing cap of described bottom and the bottom part of described housing, for the feeder of cooling medium,
-torsional vibration damper, described torsional vibration damper comprise primary components and with the secondary component that is connected of described primary components elasticity of torsion ground, and be arranged between the gear ring of described speed changer and described housing, or be arranged between armature spindle and rotor bearing part diametrically, described rotor bearing part is fixed with rotor windings and/or rotor magnet
Wherein, be provided with the stator bearing part connecting the bearing cap on described top and the bearing cap of described bottom, and wherein, be provided be formed in described housing inner side on, the flange that extends radially inwardly, the bearing cap of described bottom and/or the bearing cap on described top and described Flange joint, and described motor is supported by described flange.
2. variable speed driver according to claim 1, wherein, is provided with laminated spring between described primary components and described secondary component, and the end winding support of described laminated spring is on described primary components or on described secondary component.
3. variable speed driver according to claim 2, wherein, described laminated spring is arranged in the chamber with viscous liquid filling.
4. variable speed driver according to claim 3, wherein, described viscous liquid is the lubricating oil of described speed changer.
5. variable speed driver according to claim 1, wherein, described primary components has outer toothed portion, and wherein, described secondary component has interior teeth portion, and wherein, interior teeth portion and outer toothed portion have default gap each other in the circumferential, and wherein, the chamber that formation viscous liquid is filled at least partly between described primary components and the tooth be spaced apart from each other according to gap of described secondary component, in the cavity, spring element is clamped respectively between the flank of tooth and the flank of tooth of described secondary component of described primary components, and wherein, described chamber is connected with corresponding attaching troops to a unit in the compensated chamber that chamber is right by passage in couples, and wherein, when the volume in the first chamber foundation gap is no more than the minimum volume preset of the first chamber, passage between right the first chamber of chamber and described compensated chamber is closed, and wherein, when the volume in the second chamber foundation gap is no more than the minimum volume preset of the second chamber, passage between right the second chamber of chamber and described compensated chamber is closed.
6. variable speed driver according to claim 5, wherein, when the volume in described second chamber foundation gap is no more than the minimum volume preset of described second chamber, passage between right described first chamber of chamber and described compensated chamber is fully opened, and wherein, when described first chamber to be no more than the minimum volume preset of described first chamber according to the volume in gap, the passage between right the second chamber of chamber and described compensated chamber is fully opened.
7. variable speed driver according to claim 6, wherein, carries out continuously in the conversion closed between the opening completely of passage of passage.
8. the variable speed driver according to any one of claim 5 to 7, wherein, described viscous liquid is the lubricating oil of described speed changer, and wherein, described spring element is disc spring.
9. variable speed driver according to claim 1, wherein, described torsional vibration damper is made up of the shaft coupling with flexible pin, and described pin is separately positioned in the chamber surrounding described pin.
10. variable speed driver according to claim 9, wherein, described chamber uses the liquid filling of viscosity respectively.
11. variable speed drivers according to claim 1, wherein, described torsional vibration damper is arranged on described rotor, described rotor is comprised the outer rotor elements opened by air-gap and described sub-interval and is concentric with the inner rotor elements that described outer rotor elements arranges, and wherein, described outer rotor elements is torsionally connected with described armature spindle, and wherein, described inner rotor elements is torsionally connected with the power transmission shaft of driving side, and wherein, described outer rotor elements and described inner rotor elements are connected to each other by fluid coupling, and wherein, diametrically, to be provided with between described outer rotor elements and described inner rotor elements and can to adjust, the shielding part of magnetic, when revolutional slip between described outer rotor elements and described inner rotor elements is lower than the threshold value that can preset, described shielding part is disabled, to set up magnetic couplings between described outer rotor elements and described inner rotor elements.
12. variable speed drivers according to any one of claim 1 to 7, wherein, described motor is supported on the described inner side of described housing by means of only described flange.
13. variable speed drivers according to any one of claim 1 to 7, wherein, are provided with at least one cod for described armature spindle between rotor hub and the bearing cap of described bottom.
14. variable speed drivers according to any one of claim 1 to 7, wherein, described motor is connected in the lubricant supply circulation of described speed changer and/or cooling medium circulation.
15. variable speed drivers according to any one of claim 1 to 7, wherein, described motor is the synchronous motor of permanent magnet excitation, and the rotor magnet system of described synchronous motor is solded in stainless steel clamshell.
16. variable speed drivers according to any one of claim 1 to 7, wherein, described motor is the synchronous motor without 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 CN102649096A (en) | 2012-08-29 |
| CN102649096B true 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) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013200578A1 (en) | 2013-01-16 | 2014-07-17 | Siemens Aktiengesellschaft | Method for drive control |
| KR102193884B1 (en) | 2013-07-08 | 2020-12-23 | 에프엘스미쓰 에이/에스 | Heavy duty drive arrangement and mill |
| FR3033864B1 (en) * | 2015-03-17 | 2017-04-21 | Cie Engrenages Et Reducteurs Messian Durand | REDUCER FOR AGITATOR SHREDDER, GRINDER AND USE THEREOF |
| 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 |
| 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 |
| CN114160266B (en) * | 2021-11-09 | 2023-07-21 | 山东欧威新材料有限公司 | Silicon dioxide processing equipment before semiconductor raw material silicon production |
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| US2192310A (en) * | 1938-06-30 | 1940-03-05 | Stanley D Hartshorn | Differential roll crusher |
| US5364308A (en) * | 1990-12-07 | 1994-11-15 | Holset Engineering Company, Ltd. | Torsional vibration damper |
| US5667149A (en) * | 1995-07-03 | 1997-09-16 | Foster Wheeler Energy Corporation | Solids pulverizer mill and process utilizing interactive air port nozzles |
| 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 |
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| GB1116575A (en) * | 1965-08-11 | 1968-06-06 | Pametrada | Improvements in and relating to change speed gears |
| AT343424B (en) * | 1976-01-23 | 1978-05-26 | Geislinger Dr Ing Leonard | ROTARY VIBRATION DAMPER OR VIBRATION DAMPENING AND TORSO-ELASTIC COUPLING |
| DE3931116C2 (en) | 1989-09-18 | 1994-02-03 | Krupp Polysius Ag | Drive device for a roller mill |
| JP2005052799A (en) | 2003-08-07 | 2005-03-03 | Seisa Gear Ltd | Gear device for vertical crushing machine |
| DE102007057608A1 (en) | 2007-11-28 | 2009-06-04 | A. Friedr. Flender Ag | Spur gears |
| ATE553847T1 (en) | 2008-08-22 | 2012-05-15 | Smidth As F L | HEAVY DUTY DRIVE ARRANGEMENT AND MILL POWERED THEREFROM |
| DE102009034158B4 (en) | 2009-07-20 | 2023-11-16 | Flender Gmbh | Encapsulation of an electrical machine |
| EP2295147B1 (en) | 2009-09-10 | 2012-01-04 | Siemens Aktiengesellschaft | Mill drive system |
| DK2457663T3 (en) | 2010-11-29 | 2014-03-17 | Siemens Ag | Gear Motor for a mill-drivanlæg |
-
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
-
2012
- 2012-02-22 CN CN201210041843.7A patent/CN102649096B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2192310A (en) * | 1938-06-30 | 1940-03-05 | Stanley D Hartshorn | Differential roll crusher |
| US5364308A (en) * | 1990-12-07 | 1994-11-15 | Holset Engineering Company, Ltd. | Torsional vibration damper |
| US5667149A (en) * | 1995-07-03 | 1997-09-16 | Foster Wheeler Energy Corporation | Solids pulverizer mill and process utilizing interactive air port nozzles |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2429026T3 (en) | 2013-11-12 |
| EP2492016B1 (en) | 2013-09-18 |
| EP2492016A1 (en) | 2012-08-29 |
| CN102649096A (en) | 2012-08-29 |
| EP2641658A1 (en) | 2013-09-25 |
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