CN101789644A - Direct-drive permanent magnet wind power generator - Google Patents
Direct-drive permanent magnet wind power generator Download PDFInfo
- Publication number
- CN101789644A CN101789644A CN200910309803A CN200910309803A CN101789644A CN 101789644 A CN101789644 A CN 101789644A CN 200910309803 A CN200910309803 A CN 200910309803A CN 200910309803 A CN200910309803 A CN 200910309803A CN 101789644 A CN101789644 A CN 101789644A
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- China
- Prior art keywords
- ring
- baffle plate
- base bearing
- axle
- bearing inner
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
A direct-drive permanent magnet wind power generator comprises a mandrel, the upper small end of the mandrel is an annular step, a main bearing inner ring is mounted on the upper small end annular step of the mandrel, one end surface of the main bearing inner ring is contacted with the step end surface of the mandrel, the other end surface of the main bearing inner ring is contacted with a baffle II, the baffle II is fastened on the mandrel end surface, the upper and lower ends of the main bearing outer ring are respectively connected with a baffle I and a connecting flange, the upper end surface of the baffle I is connected with a brake ring, the connecting flange is provided with an oblique wedge, a seal ring II is arranged between the flange plate and the mandrel, a press plate II pressed on the seal ring II is fastened on the connecting flange plate, a seal ring I is arranged between the baffle I and the baffle II, a press plate I pressed on the seal ring I is fastened on the baffle II, at least two grease inlet holes and grease outlet holes II are radially machined on middle and lower end positions of the main bearing inner ring, and at least two grease outlet holes I are radially machined on the baffle II. The direct-drive permanent magnet wind power generator has the advantages that the main bearing is light, the air gap between the stator and the rotor can be adjusted conveniently, and the seal ring is replaceable.
Description
Technical field
The present invention relates to a kind of wind-driven generator, especially relate to a kind of direct-drive permanent magnet wind power generator.
Background technology
What existing direct-drive permanent magnet wind power generator base bearing adopted usually is the bearing that inner ring has through hole, base bearing inner ring end face is connected with generator axle end face by bolt, because of needing to arrange a circle bolt hole on the base bearing inner ring, like this, will inevitably increase the thickness of inner ring, because inner ring all adopts special bearing steel to make, so its manufacturing cost is than higher; In addition, direct-drive permanent magnet wind power generator is in the process of stator and rotor assembling, all the time there is electromagnet pull, be difficult to guarantee that the air gap between generator unit stator and the rotor is even, therefore, need transfer loose bolt to adjust air gap repeatedly, like this, can make that not only the wind-driven generator efficiency of assembling is low, and be unfavorable for the batch process of wind-driven generator; In addition, because generator axle and base bearing end face connect into an integral body, therefore, can't change the sealing ring of base bearing, when there is the problem that is worn and wears out in sealing ring, tends to make the greasy property of bearing to reduce, thereby influence the useful life of blower fan.
Summary of the invention
The objective of the invention is to overcome the above-mentioned defective that prior art exists, provide a kind of base bearing in light weight, the air gap between stator and the rotor is easy to adjust, the direct-drive permanent magnet wind power generator that sealing ring can be changed.
Technical scheme of the present invention is: it comprises stator, rotor, the base bearing outer ring, base bearing inner ring and axle, braking ring, described stator and stator support are connected, big end in axle bottom and stator support are connected, rotor and rotor supports are connected, rotor supports links to each other with mounting flange, axle top small end is an annular stepped shape, the base bearing inner ring in strap bolt hole is not installed on the annular stepped of axle top small end, base bearing inner ring one end face contacts with the axle step end face, the other end of base bearing inner ring contacts with baffle plate II, baffle plate II is anchored on the axle end face, upper end, base bearing outer ring, the lower end links to each other with mounting flange with baffle plate I respectively, the upper surface of baffle plate I links to each other with braking ring, the base bearing outer ring, braking ring, baffle plate I and mounting flange are one by bolted, the wedge that is used to adjust air gap between stator and the rotor is installed on the mounting flange, sealing ring II is installed between mounting flange and the axle, the pressure plates II that is pressed on the sealing ring II is anchored on the mounting flange, between baffle plate I and the baffle plate II sealing ring I is installed, the pressure plates I that is pressed on the sealing ring I is anchored on the baffle plate II, centre and lower end position at the base bearing inner ring have at least two fat holes and grease-outlet hole II along the axle radial direction, and baffle plate II radial position has at least two grease-outlet hole I.
Effect of the present invention:
1) need not arrange a circle bolt hole on its base bearing inner ring, like this, help alleviating the weight of base bearing, reduce manufacturing cost;
2) can make things convenient for and adjust air gap between generator unit stator and the rotor fast by being located at wedge on the mounting flange;
3) do not pushed down owing to sealing ring, so sealing ring can be changed by other parts;
4) grease-outlet hole I is located on the baffle plate II, and like this, the stress that helps reducing the axle small end is concentrated.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the embodiment of the invention;
Fig. 2 is a partial structurtes enlarged drawing embodiment illustrated in fig. 1.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
With reference to accompanying drawing, present embodiment comprises stator 2, rotor 16, base bearing outer ring 5, base bearing inner ring 20 and axle 19, braking ring 8, described stator 2 is connected with stator support 1, big end in axle 19 bottoms and stator support 1 are connected, rotor 16 is connected with rotor supports 15, rotor supports 15 links to each other with mounting flange 21 by bolt III3, axle 19 top small ends are annular stepped shape, the base bearing inner ring 20 in strap bolt hole is not installed on the annular stepped of axle 19 top small ends, base bearing inner ring 20 1 end faces contact with axle 19 step end faces, the other end of base bearing inner ring 20 contacts with baffle plate II 22, baffle plate II 22 is anchored on axle 19 end faces by bolt I 9, thereby help 20 clampings of base bearing inner ring are prevented that it from axial motion taking place, 5 top and bottom, base bearing outer ring link to each other with baffle plate I 6 and mounting flange 21 respectively, the upper end of baffle plate I 6 links to each other with braking ring 8, base bearing outer ring 5, braking ring 8, baffle plate I 6 and mounting flange 21 fasten as one by bolt II 7, the wedge 4 that is used to adjust air gap between stator and the rotor is installed on the mounting flange 21, between mounting flange 21 and the axle 19 sealing ring II 17 is installed, the pressure plates II 18 that is pressed on the sealing ring II17 is anchored on the mounting flange 21, between baffle plate I 6 and the baffle plate II 22 sealing ring I13 is installed, the pressure plates I 14 that is pressed on the sealing ring I13 is anchored on the baffle plate II 22, centre and lower end position at base bearing inner ring 20 have fat hole 11 and grease-outlet hole II 10 along the axle radial direction, baffle plate II 22 radial positions have grease-outlet hole I 12, fat hole 11, grease-outlet hole II10 and grease-outlet hole I 12 are along circumferentially each evenly is provided with 6.
Because sealing ring is not blocked by other structures, so can change.
More than be one embodiment of the present invention, a preferred demonstration example.The scope that patent application of the present invention is asked for protection has more than and is limited to described execution mode.All and technical scheme present embodiment equivalence all belongs to protection scope of the present invention.
Claims (1)
1. direct-drive permanent magnet wind power generator, comprise stator, rotor, the base bearing outer ring, base bearing inner ring and axle, braking ring, described stator and stator support are connected, big end in axle bottom and stator support are connected, rotor and rotor supports are connected, rotor supports links to each other with mounting flange, it is characterized in that, axle top small end is an annular stepped shape, the base bearing inner ring in strap bolt hole is not installed on the annular stepped of axle top small end, base bearing inner ring one end face contacts with the axle step end face, the other end of base bearing inner ring contacts with baffle plate II, baffle plate II is anchored on the axle end face, upper end, base bearing outer ring, the lower end links to each other with mounting flange with baffle plate I respectively, baffle plate I upper surface links to each other with braking ring, the base bearing outer ring, braking ring, baffle plate I and mounting flange are one by bolted, the wedge that is used to adjust air gap between stator and the rotor is installed on the mounting flange, sealing ring II is installed between mounting flange and the axle, the pressure plates II that is pressed on the sealing ring II is anchored on the mounting flange, between baffle plate I and the baffle plate II sealing ring I is installed, the pressure plates I that is pressed on the sealing ring I is anchored on the baffle plate II, centre and lower end position at the base bearing inner ring have at least two fat holes and grease-outlet hole II along the axle radial direction, and baffle plate II radial position has at least two grease-outlet hole I.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103098034A CN101789644B (en) | 2009-11-16 | 2009-11-16 | Direct-drive permanent magnet wind power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103098034A CN101789644B (en) | 2009-11-16 | 2009-11-16 | Direct-drive permanent magnet wind power generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101789644A true CN101789644A (en) | 2010-07-28 |
| CN101789644B CN101789644B (en) | 2012-05-30 |
Family
ID=42532747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103098034A Active CN101789644B (en) | 2009-11-16 | 2009-11-16 | Direct-drive permanent magnet wind power generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101789644B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392798A (en) * | 2011-12-07 | 2012-03-28 | 湘电风能有限公司 | Direct-drive wind driven generator structure |
| CN105226848A (en) * | 2015-09-29 | 2016-01-06 | 北京金风科创风电设备有限公司 | generator and wind generating set |
| CN104600886B (en) * | 2015-01-27 | 2017-01-25 | 新疆金风科技股份有限公司 | Direct drive permanent magnet wind generator, direct drive permanent magnet wind generator system and stator of direct drive permanent magnet wind generator |
| CN108566041A (en) * | 2018-01-31 | 2018-09-21 | 湖北环电磁装备工程技术有限公司 | The veneer reeling machine that no frame permanent magnet synchronous motor directly drives |
-
2009
- 2009-11-16 CN CN2009103098034A patent/CN101789644B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392798A (en) * | 2011-12-07 | 2012-03-28 | 湘电风能有限公司 | Direct-drive wind driven generator structure |
| CN104600886B (en) * | 2015-01-27 | 2017-01-25 | 新疆金风科技股份有限公司 | Direct drive permanent magnet wind generator, direct drive permanent magnet wind generator system and stator of direct drive permanent magnet wind generator |
| US10291101B2 (en) | 2015-01-27 | 2019-05-14 | Xinjiang Goldwind Science & Technology Co., Ltd. | Permanent-magnet direct-drive wind power generator, system and stator thereof |
| CN105226848A (en) * | 2015-09-29 | 2016-01-06 | 北京金风科创风电设备有限公司 | generator and wind generating set |
| WO2017054675A1 (en) * | 2015-09-29 | 2017-04-06 | 北京金风科创风电设备有限公司 | Electric generator and wind power generator set |
| CN108566041A (en) * | 2018-01-31 | 2018-09-21 | 湖北环电磁装备工程技术有限公司 | The veneer reeling machine that no frame permanent magnet synchronous motor directly drives |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101789644B (en) | 2012-05-30 |
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