CN102716780A - Combined stator/rotor permanent-magnet outer rotor motor directly-driven vertical mill millstone - Google Patents
Combined stator/rotor permanent-magnet outer rotor motor directly-driven vertical mill millstone Download PDFInfo
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- CN102716780A CN102716780A CN201210219269XA CN201210219269A CN102716780A CN 102716780 A CN102716780 A CN 102716780A CN 201210219269X A CN201210219269X A CN 201210219269XA CN 201210219269 A CN201210219269 A CN 201210219269A CN 102716780 A CN102716780 A CN 102716780A
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- 238000012423 maintenance Methods 0.000 claims abstract description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 28
- 241000239290 Araneae Species 0.000 claims description 17
- 230000002706 hydrostatic effect Effects 0.000 claims description 13
- 210000004907 gland Anatomy 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 10
- 210000001503 joint Anatomy 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000000227 grinding Methods 0.000 abstract description 2
- 230000009347 mechanical transmission Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 238000005755 formation reaction Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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Abstract
The invention discloses a combined stator/rotor permanent-magnet outer rotor motor directly-driven vertical mill millstone which integrates a driving motor and an ore grinding vertical mill millstone so as to realize the efficient gear-free direct driving of the vertical mill millstone. The driving motor is made into a stubby outer rotor vertical structure; the millstone can be directly arranged on a rotor; a stator core is decomposed into a plurality of split stator core blocks with completely same electromagnetic parameters and mechanical structures for independent operation; and the split stator core blocks can be respectively controlled by a plurality of small and medium size low-voltage frequency converters. The rotor is of a split splicing structure; and a base step and side walls are manufactured via a split manner. During the assembling, the stator core is arranged firstly, then the rotor is arranged and finally a permanent magnet is arranged by using a special tool. During the maintenance, each split rotor unit and each split stator core block can be independently dismounted along the radial direction. The combined stator/rotor permanent-magnetic outer rotor motor directly-driven vertical mill millstone provided by the invention is capable of fundamentally solving the defect that the traditional mechanical transmission systems are long in transmission chain, large in volume and heavy in weight and can be widely applied to the technology of large-scale vertical mill millstones.
Description
Technical field
The invention belongs to a kind of mechanized equipment, particularly a kind of combined type stator/rotor permanent magnet outer rotor motor directly drives ore and pulverizes the vertical mill dish.
Background technology
In recent years; Vertical Mill is shown one's talent in the technological innovation that cement slurry, grog and slag milling technology are maked rapid progress; Its collection fragmentation, drying, grinding, sorting and conveying are one; The development trend of traditional ball milling has appearred progressively substituting in series of advantages such as have that output is big, unit consumption is low, the intensification degree is high, floor space is little, civil engineering, freight are few.
Yet owing to many reasons, still there are many energy-conservation weak links in Vertical Mill at present, and wherein, the mill transmission is maximum power consumption parts.The Vertical Mill working speed is low, and traditional asynchronous motor adds the gear reduction unit transmission mode and still accounts for the staple market share.Asynchronous electric engine efficiency and power factor level are low, and reduce with load factor.Decelerator strengthens the equipment volume and weight, and manufacture difficulty and maintenance cost increase, the vibration noise aggravation, and there is leakage pollution in lubricating oil, and operational efficiency reduces.Erzhong Group (Deyang) Heavy Equipment Co., Ltd. in 2009 has successively applied for utility model patent " supporting structure of Vertical Mill mill (patent No.: 200920303433.9) ", " transmission of Vertical Mill mill and supporting structure (patent No.: 200920314658.4) "; Its characteristics are; The major diameter hydrostatic bearing supports mill through adopting independently, has improved mill and has born the ability and the running stability of vertical load.But, still adopt conventional asynchronous to add the mechanical reducer technology path, pass to mill to moment of torsion through the transmission of gears engaged angle again.Patent of invention by the individual application (patent No.: 201110038911.X) " the electric direct drive technology of high-power slow-speed of revolution plant equipment " in 2011; Its characteristics are; A kind of thought of removing plant equipment transmission system middle gear decelerator of recapitulative proposition is used the synchronous motor that reaches its maturity instead and is directly driven.But do not set forth the concrete structure design.In addition,, generally adopt the high voltage source power supply of 10kV (or 6kV), make cost performance reduction, the reliability variation of electric drive system for the driving power of main equipment MW class.
Summary of the invention
Goal of the invention:
The present invention proposes a kind of combined-stator permanent-magnetic outer rotor motor direct driving Vertical Mill mill, and drive motors and ore are pulverized the integrated design of vertical mill dish, realizes that the efficient gearless of Vertical Mill mill is directly driven.Compare with inner rotor core, it is big to have a rotary inertia, stability of rotation, and structure such as simplifies more at characteristics.
Technical scheme:
A kind of combined type stator/rotor permanent magnet outer rotor motor directly drives the Vertical Mill mill; It is characterized in that: drive motors is made the short-thick type vertical structure; The main drive that combined type stator/rotor permanent magnet outer rotor motor directly drives the Vertical Mill mill radially is equipped with locating shaft, pedestal sidewall, stator core, segmental rotor piece, magnetic shield and rotor field spider from inside to outside successively; Stator core is fixed on the pedestal step; The major diameter hydrostatic bearing is through being bolted on the pedestal, and rotor field spider is fixed on the major diameter hydrostatic bearing, and the rotor gland is connected with locating shaft through alignment bearing; Mill directly is fixed on the rotor gland, and rotor drives the rotation of rotor gland and passes to mill to moment of torsion.
Stator core is by split-type stator core piece assembled formation, and split-type stator core piece is fitted on the pedestal step by fastening bolt; In iron core piece yoke portion's cylindrical and pedestal sidewall, have tongue-and-groove on the circle, through tenon and tongue-and-groove butt joint; Simultaneously, each split-type stator core piece yoke portion both sides also has tongue-and-groove, through tenon and tongue-and-groove butt joint.
Each split-type stator core piece electromagnetic parameter and frame for movement is just the same and can independent operating.
Rotor adopts the split-type splicing structure, and by split-type rotor unit assembly unit moulding, the segmental rotor piece is fixed on the rotor field spider through screw, between rotor field spider and the segmental rotor piece magnetic shield is housed; Between the adjacent segmental rotor piece permanent magnet is installed, and baffle plate is equipped with at the permanent magnet two ends; Permanent magnet adopts the built-in cutting orientation structure of rectangular block.
The center correspondence of major diameter hydrostatic bearing is directly over rotor field spider.
Pedestal step and pedestal sidewall all adopt split production, and its concrete split number is identical with split-type stator core piece piece number.
During assembling, carry out the installation of stator core earlier, each split-type stator core piece is lifting successively along the circumferential direction; Carry out the installation of rotor again, each split-type rotor unit is along the circumferential direction installed successively; Treat the location completion of the whole alignings of rotor, carry out the installation of permanent magnet at last.
During maintenance, each split-type rotor unit and split-type stator core piece all can radially be dismantled separately.
Advantage and effect:
The present invention proposes a kind of combined-stator permanent-magnetic outer rotor motor direct driving Vertical Mill mill, have following advantage:
The low speed large torque moment permanent-magnet synchronous motor directly drives the Vertical Mill mill, realizes motor and the integrated design of mechanized equipment.Adopt outer-rotor structure directly to be fixed on mill on the rotor, system architecture is simplified more.Rotor all adopts splitted structure, and the replacement trouble unit fundamentally changes the shortcoming that traditional mechanical transmission system driving-chain is tediously long, volume and weight is huge when being easy to install and maintain, and can be widely applied in the large-scale vertical mill disk technology.
Description of drawings:
Fig. 1 the present invention is the structural representation of combined-stator permanent-magnetic outer rotor motor direct driving Vertical Mill mill.
Fig. 2 is split-type rotor unit and split-type stator core piece scheme of installation.
Description of reference numerals:
1. pedestal sidewall, 2. fastening bolt, 3. pedestal step, 4. stator core, 5. pedestal, 6. major diameter hydrostatic bearing, 7. segmental rotor piece, 8. magnetic shield, 9. rotor field spider, 10. mill, 11. rotor glands, 12. locating shafts, 13. alignment bearings, 14. permanent magnets, 15. baffle plates, 16. split-type rotor units, 17. split-type stator core pieces, 18. tongue-and-grooves.
The specific embodiment:
Below in conjunction with accompanying drawing the present invention is done further explanation:
The present invention is that a kind of combined type stator/rotor permanent magnet outer rotor motor directly drives the Vertical Mill mill; Drive motors and ore are pulverized the integrated design of vertical mill dish; The efficient gearless of realization Vertical Mill mill is directly driven, and shown in Fig. 1 and Fig. 2, it is characterized in that: drive motors is made the short-thick type vertical structure; Direct integrated being installed on the mill pedestal 5; The main drive of combined type stator/rotor permanent magnet motor direct driving Vertical Mill mill radially is equipped with locating shaft 12, pedestal sidewall 1, stator core 4, segmental rotor piece 7, magnetic shield 8 and rotor field spider 9 from inside to outside successively, and stator core 4 is fixed on the pedestal step 3, and major diameter hydrostatic bearing 6 is through being bolted on the pedestal 5; Rotor field spider 9 is fixed on the major diameter hydrostatic bearing 6; Rotor gland 11 is connected with locating shaft 12 through alignment bearing 13, and mill 10 directly is fixed on the rotor gland 11, and last rotor drives 11 rotations of rotor gland and passes to mill 10 to moment of torsion.
Stator core 4 is by split-type stator core piece 17 assembled formations, and split-type stator core piece 17 is fitted on the pedestal step 3 by fastening bolt 2; In iron core piece yoke portion's cylindrical and pedestal sidewall 1, have tongue-and-groove 18 on the circle,, bear the motor radial pull through tenon and tongue-and-groove butt joint.Simultaneously, each split-type stator core piece yoke portion both sides also has tongue-and-groove 18, through tenon and tongue-and-groove butt joint, bears motor tangential pulling force.
The electromagnetic parameter of each split-type stator core piece 17 and frame for movement is just the same and can independent operating can be supplied power respectively by a plurality of middle-size and small-size low voltage frequency converters, thereby realized the big motor low-pressure high-power control of MW class.
Rotor also adopts the split-type splicing structure, and by the 16 assembly unit moulding of split-type rotor unit, segmental rotor piece 7 is fixed on the rotor field spider 9 through screw, between rotor field spider 9 and the segmental rotor piece 7 magnetic shield 8 is housed; Baffle plate 15 is equipped with permanent magnet 14 is installed between the adjacent segmental rotor piece 7, and permanent magnet 14 two ends and are prevented permanent magnet 14 play vertically; Permanent magnet 14 adopts the built-in cutting orientation structure of rectangular block.
12 mill centers of locating shaft position-limiting action.
The center correspondence of major diameter hydrostatic bearing 6 guarantees that the geometric center of rotor field spider 9, major diameter hydrostatic bearing 6 and mill 10 overlaps, so that pedestal sidewall 1 bears the vertical pressure of mill 10 directly over rotor field spider 9.
Pedestal step 3 all adopts split production with pedestal sidewall 1, and 17 numbers of its concrete split number and split-type stator core piece are identical.
During assembling, carry out the installation of stator core 4 earlier, each split-type stator core piece 17 is lifting successively along the circumferential direction, is formed a whole by pedestal sidewall 1 inner arc surface and pedestal step 3 horizontal planes location; Carry out the installation of rotor again, each split-type rotor unit 16 is along the circumferential direction installed successively, is formed a whole by major diameter hydrostatic bearing 6 steps location and bolt; Treat the location completion of the whole alignings of rotor, carry out the installation of permanent magnet 14 at last.
During maintenance, can radially dismantle each split-type rotor unit 16 and split-type stator core piece 17 separately, the convenient trouble unit of replacement in time.
Claims (8)
1. a combined type stator/rotor permanent magnet outer rotor motor directly drives the Vertical Mill mill; It is characterized in that: drive motors is made the short-thick type vertical structure; The main drive that combined type stator/rotor permanent magnet outer rotor motor directly drives the Vertical Mill mill radially is equipped with locating shaft (12), pedestal sidewall (1), stator core (4), segmental rotor piece (7), magnetic shield (8) and rotor field spider (9) from inside to outside successively; Stator core (4) is fixed on the pedestal step (3); Major diameter hydrostatic bearing (6) is through being bolted on the pedestal (5), and rotor field spider (9) is fixed on the major diameter hydrostatic bearing (6), and rotor gland (11) is connected with locating shaft (12) through alignment bearing (13); Mill (10) directly is fixed on the rotor gland (11), and rotor drives rotor gland (11) rotation and passes to mill (10) to moment of torsion.
2. combined type stator/rotor permanent magnet outer rotor motor according to claim 1 directly drives the Vertical Mill mill; It is characterized in that: stator core (4) is by split-type stator core piece (17) assembled formation, and split-type stator core piece (17) is fitted on the pedestal step (3) by fastening bolt (2); In iron core piece yoke portion's cylindrical and pedestal sidewall (1), have tongue-and-groove (18) on the circle, through tenon and tongue-and-groove butt joint; Simultaneously, each split-type stator core piece yoke portion both sides also has tongue-and-groove (18), through tenon and tongue-and-groove butt joint.
3. combined type stator/rotor permanent magnet outer rotor motor according to claim 2 directly drives the Vertical Mill mill, it is characterized in that: each split-type stator core piece (17) electromagnetic parameter and frame for movement is just the same and can independent operating.
4. combined type stator/rotor permanent magnet outer rotor motor according to claim 1 directly drives the Vertical Mill mill; It is characterized in that: rotor adopts the split-type splicing structure; By split-type rotor unit (16) assembly unit moulding; Segmental rotor piece (7) is fixed on the rotor field spider (9) through screw, between rotor field spider (9) and the segmental rotor piece (7) magnetic shield (8) is housed; Permanent magnet (14) is installed between the adjacent segmental rotor piece (7), and baffle plate (15) is equipped with at permanent magnet (14) two ends; Permanent magnet (14) adopts the built-in cutting orientation structure of rectangular block.
5. combined type stator/rotor permanent magnet outer rotor motor according to claim 1 directly drives the Vertical Mill mill, it is characterized in that: the center correspondence of major diameter hydrostatic bearing (6) is directly over rotor field spider (9).
6. combined type stator/rotor permanent magnet outer rotor motor according to claim 1 directly drives the Vertical Mill mill; It is characterized in that: pedestal step (3) and pedestal sidewall (1) all adopt split production, and its concrete split number is identical with split-type stator core piece (17) piece number.
7. combined type stator/rotor permanent magnet outer rotor motor according to claim 1 directly drives the Vertical Mill mill, it is characterized in that: during assembling, carry out the installation of stator core (4) earlier, each split-type stator core piece (17) is lifting successively along the circumferential direction; Carry out the installation of rotor again, each split-type rotor unit (16) is along the circumferential direction installed successively; Treat the location completion of the whole alignings of rotor, carry out the installation of permanent magnet (14) at last.
8. combined type stator/rotor permanent magnet motor direct driving Vertical Mill mill according to claim 1 is characterized in that: during maintenance, each split-type rotor unit (16) and split-type stator core piece (17) all can radially be dismantled separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210219269.XA CN102716780B (en) | 2012-06-29 | 2012-06-29 | Combined stator/rotor permanent-magnet outer rotor motor directly-driven vertical mill millstone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210219269.XA CN102716780B (en) | 2012-06-29 | 2012-06-29 | Combined stator/rotor permanent-magnet outer rotor motor directly-driven vertical mill millstone |
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| CN102716780A true CN102716780A (en) | 2012-10-10 |
| CN102716780B CN102716780B (en) | 2014-12-03 |
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| CN201210219269.XA Active CN102716780B (en) | 2012-06-29 | 2012-06-29 | Combined stator/rotor permanent-magnet outer rotor motor directly-driven vertical mill millstone |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887939A (en) * | 2014-04-11 | 2014-06-25 | 张学义 | Permanent magnet and electromagnetism mixed excitation hub driving motor rotor producing method |
| CN104190507A (en) * | 2014-09-04 | 2014-12-10 | 河南工业大学 | Self-driven rasping machine |
| CN104492556A (en) * | 2014-12-18 | 2015-04-08 | 高伟 | Vertical ball mill with embedded adjustable-speed motor |
| RU2546860C1 (en) * | 2013-11-29 | 2015-04-10 | Рустам Сагитович Аипов | Milling device |
| JP5951897B1 (en) * | 2015-02-23 | 2016-07-13 | 成田 憲治 | Synchronous motor |
| CN106130290A (en) * | 2016-08-31 | 2016-11-16 | 哈尔滨三跃驱动技术股份有限公司 | Annular permanent magnet gearless ball mill direct driving motor |
| CN106382358A (en) * | 2016-08-19 | 2017-02-08 | 重庆齿轮箱有限责任公司 | Speed reducer of vertical mill |
| CN108452937A (en) * | 2018-01-31 | 2018-08-28 | 湖北环电磁装备工程技术有限公司 | The screw washer that no frame permanent magnet synchronous motor directly drives |
| CN109873536A (en) * | 2019-03-31 | 2019-06-11 | 横店集团英洛华电气有限公司 | Servo rotor piece splices auxiliary device |
| CN112871323A (en) * | 2021-02-03 | 2021-06-01 | 河南全新机电设备有限公司 | Permanent magnet motor direct-drive vertical mill with vibration damping mechanism |
| CN113098209A (en) * | 2019-12-23 | 2021-07-09 | 新疆金风科技股份有限公司 | Motor assembling method and fixing device |
| US11692856B1 (en) | 2022-06-03 | 2023-07-04 | Nidec Motor Corporation | Rotary encoder shaft clamp |
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| CN102130537A (en) * | 2011-02-16 | 2011-07-20 | 谌湛 | Electric direct transmission technology of high-power mechanical equipment with low rotating speed |
| EP2457663A1 (en) * | 2010-11-29 | 2012-05-30 | Siemens Aktiengesellschaft | Gear motor for a mill drive system |
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2012
- 2012-06-29 CN CN201210219269.XA patent/CN102716780B/en active Active
Patent Citations (5)
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| CN2888726Y (en) * | 2006-02-24 | 2007-04-11 | 哈尔滨工业大学 | PM motor with plug-in internal stator |
| 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 |
| WO2008098867A1 (en) * | 2007-02-15 | 2008-08-21 | Siemens Aktiengesellschaft | Recycling machine, in particular comminuting machine |
| EP2457663A1 (en) * | 2010-11-29 | 2012-05-30 | Siemens Aktiengesellschaft | Gear motor for a mill drive system |
| CN102130537A (en) * | 2011-02-16 | 2011-07-20 | 谌湛 | Electric direct transmission technology of high-power mechanical equipment with low rotating speed |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2546860C1 (en) * | 2013-11-29 | 2015-04-10 | Рустам Сагитович Аипов | Milling device |
| CN103887939A (en) * | 2014-04-11 | 2014-06-25 | 张学义 | Permanent magnet and electromagnetism mixed excitation hub driving motor rotor producing method |
| CN104190507A (en) * | 2014-09-04 | 2014-12-10 | 河南工业大学 | Self-driven rasping machine |
| CN104492556A (en) * | 2014-12-18 | 2015-04-08 | 高伟 | Vertical ball mill with embedded adjustable-speed motor |
| JP5951897B1 (en) * | 2015-02-23 | 2016-07-13 | 成田 憲治 | Synchronous motor |
| CN106382358A (en) * | 2016-08-19 | 2017-02-08 | 重庆齿轮箱有限责任公司 | Speed reducer of vertical mill |
| CN106130290A (en) * | 2016-08-31 | 2016-11-16 | 哈尔滨三跃驱动技术股份有限公司 | Annular permanent magnet gearless ball mill direct driving motor |
| CN108452937A (en) * | 2018-01-31 | 2018-08-28 | 湖北环电磁装备工程技术有限公司 | The screw washer that no frame permanent magnet synchronous motor directly drives |
| CN109873536A (en) * | 2019-03-31 | 2019-06-11 | 横店集团英洛华电气有限公司 | Servo rotor piece splices auxiliary device |
| CN113098209A (en) * | 2019-12-23 | 2021-07-09 | 新疆金风科技股份有限公司 | Motor assembling method and fixing device |
| CN113098209B (en) * | 2019-12-23 | 2022-12-27 | 新疆金风科技股份有限公司 | Motor assembling method and fixing device |
| US11916449B2 (en) | 2019-12-23 | 2024-02-27 | Xinjiang Goldwind Science & Technology Co., Ltd. | Fixing device for electric motor |
| CN112871323A (en) * | 2021-02-03 | 2021-06-01 | 河南全新机电设备有限公司 | Permanent magnet motor direct-drive vertical mill with vibration damping mechanism |
| US11692856B1 (en) | 2022-06-03 | 2023-07-04 | Nidec Motor Corporation | Rotary encoder shaft clamp |
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Owner name: HEBEI NEWSTAR ELECTRIC MOTOR CO., LTD. Free format text: FORMER OWNER: FENG GUIHONG Effective date: 20150814 |
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Denomination of invention: Combined stator and rotor permanent magnet external rotor motor direct drive vertical grinding disc Effective date of registration: 20220507 Granted publication date: 20141203 Pledgee: Bank of China Limited Shijiazhuang Gaocheng sub branch Pledgor: HEBEI NEWSTAR ELECTRIC MOTOR Co.,Ltd. Registration number: Y2022130000030 |
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Date of cancellation: 20230710 Granted publication date: 20141203 Pledgee: Bank of China Limited Shijiazhuang Gaocheng sub branch Pledgor: HEBEI NEWSTAR ELECTRIC MOTOR Co.,Ltd. Registration number: Y2022130000030 |
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Denomination of invention: Combined fixed rotor permanent magnet outer rotor motor direct drive vertical grinding disc Effective date of registration: 20230711 Granted publication date: 20141203 Pledgee: Bank of China Limited Shijiazhuang Gaocheng sub branch Pledgor: HEBEI NEWSTAR ELECTRIC MOTOR Co.,Ltd. Registration number: Y2023980048157 |