CN201972854U - Built-in large double-stator permanent magnet direct-drive wind driven generator - Google Patents
Built-in large double-stator permanent magnet direct-drive wind driven generator Download PDFInfo
- Publication number
- CN201972854U CN201972854U CN201120011336XU CN201120011336U CN201972854U CN 201972854 U CN201972854 U CN 201972854U CN 201120011336X U CN201120011336X U CN 201120011336XU CN 201120011336 U CN201120011336 U CN 201120011336U CN 201972854 U CN201972854 U CN 201972854U
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- China
- Prior art keywords
- wheel hub
- bearing
- stator
- rotor
- permanent magnet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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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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- Wind Motors (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a built-in large double-stator permanent magnet direct-drive wind driven generator, which comprises a wheel hub consisting of a front half wheel hub part and a rear half wheel hub part, wherein one end of a motor rotor is fixed on the front half wheel hub part; the wheel hub is supported on a hollow shaft through a front bearing and a rear bearing; the front bearing is mounted and compressed at the front part of the hollow shaft through a front bearing lock nut and a front shaft sleeve; the front end of an inner ring of the rear bearing is fastened on the hollow shaft through a lock nut and a rear shaft sleeve; a variable propeller bearing is ,mounted on a bearing installation flange of the wheel hub through a ring of bolts; a blade is mounted on an inner ring of the variable propeller bearing; a front bearing cover is mounted on the front end surface of a bearing seat of the front half wheel hub part; a rear bearing cover is fastened on the end surface of a rear bearing seat of the rear half wheel hub part; an inner stator and an outer stator of the generator are fastened on the hollow shaft through a stator support; the hollow shaft is fastened with a rack; an outer stator centering bearing is arranged at the open end of the outer stator; and a rotor centering bearing is arranged at the open end of the motor rotor. The generator can reduce the volume, the weight and the cost of the complete machine. The generator can be widely applied to the wind power generation system.
Description
Technical field
The utility model relates to a kind of large directly driven permanent magnet wind generating, particularly about a kind of built-in large-scale double-stator permanent magnet direct wind-driven generator that generator is placed in axial fan hub inside.
Background technique
Along with the increase of power of motor, the volume of motor will be increasing.Especially for slowspeed machine, permanent magnet direct-driving aerogenerator for example, when power was above greater than megawatt or number megawatt, it is quite huge that its volume will become, to such an extent as to can bring very big difficulty to transportation.
Summary of the invention
At the problems referred to above, it is little that the purpose of this utility model provides a kind of volume, can reduce complete machine weight, and reduce the built-in large-scale double-stator permanent magnet direct wind-driven generator of complete machine cost greatly.
For achieving the above object, the utility model is taked following technological scheme: a kind of built-in large-scale double-stator permanent magnet direct wind-driven generator, it is characterized in that: it comprises the wheel hub of the preceding later half composition of half-sum wheel hub of wheel hub, rotor one end is fixed on the described wheel hub preceding half, described wheel hub is supported on the hollow shaft by fore bearing, rear bearing, and described fore bearing relies on fore bearing locking nut and front shaft sleeve to install and be pressed in described hollow shaft front portion; The ring front end is fastened on the described hollow shaft with locking nut and rear axle housing in the described rear bearing; By a circle bolt pitch variable bearings is installed on the Bearing Installation flange of described wheel hub, on the described change slurry bearing inner ring blade is installed; On half the bearing support front-end face front bearing retainer is installed before the described wheel hub, rear bearing cover is fastened on the later half rear bearing block end face of described wheel hub; Generator inner stator, external stator are anchored on the described hollow shaft by stator support, and described hollow shaft and frame tighten together; Described external stator open end is provided with the external stator alignment bearing, and described rotor open end is provided with the rotor alignment bearing.
Described external stator alignment bearing comprises meront, meront mounting screw, rotor, rotor mounting screw and roller; Described meront is installed on the described stator support by described meront mounting screw, and described rotor is installed in before the described wheel hub on half by described rotor mounting screw; Be provided with described roller between described meront and the described rotor.
All be processed with seam between half between described meront and the described stator support and before described rotor and the described wheel hub.
Described rotor alignment bearing comprises another rotor, another rotor mounting screw, another meront and another meront mounting screw; Described another rotor is fastening through seam and described rotor end by described another rotor mounting screw, and described another meront is fastened on the described stator support through seam by described another meront mounting screw.
Described built-in large-scale double-stator permanent magnet direct wind-driven generator adopts double-stator permanent magnet is directly driven the structure that generator places the wheel hub inside of blower fan.
Described wheel hub adopts vertical centering control to divide in the face of separation structure.
The utility model is owing to take above technological scheme, it has the following advantages: 1, the utility model is because employing is placed in axial fan hub inside with generator, thereby reduced the volume of complete machine, and greatly reduced the weight of complete machine, also greatly reduced the cost of complete machine simultaneously.2, motor of the present utility model adopts double-stator structure, the motor output power of unit volume is increased, thereby reduce motor volume and weight, has both reduced cost, has made things convenient for transportation again.3, the utility model adopts the diameter and the volume ratio of double-stator permanent magnet direct driving motor little with capacity list stator motor, thereby can realize being placed on axial fan hub inside, and motor and wheel hub are united two into one, and will reduce the weight and the cost of wind-driven generator greatly.The utility model can be widely used in the wind-power generating system.
Description of drawings
Fig. 1 is an overall structure scheme of installation of the present utility model;
Fig. 2 is an external stator alignment bearing scheme of installation of the present utility model;
Fig. 3 is a rotor alignment bearing scheme of installation of the present utility model.
Embodiment
Be described in detail of the present utility model below in conjunction with drawings and Examples.
As shown in Figure 1, the utility model adopts double-stator permanent magnet is directly driven the structural type that generator places the wheel hub inside of blower fan, and it comprises before the wheel hub half 1, wheel hub is later half 2, rotor 3, fore bearing 4, rear bearing 5, hollow shaft 6, fore bearing locking nut 7, front shaft sleeve 8, locking nut 9, rear axle housing 10, become slurry bearing 11, blade 12, front bearing retainer 13, rear bearing cover 14, inner stator 15, external stator 16, stator support 17, frame 18, external stator alignment bearing 19 and rotor alignment bearing 20.
By before the wheel hub half 1 and the wheel hub formed of wheel hub later half 2 adopt vertical centering control to divide in the face of separation structure, before the wheel hub partly 1 and wheel hub later half 2 between adopt flange, seam and bolt to be connected, to make things convenient for the installation of generator.Rotor 3 one ends are fixed on the wheel hub preceding half 1, and are installed together with wheel hub.Wheel hub is supported on the hollow shaft 6 by fore bearing 4, rear bearing 5, and fore bearing 4 relies on fore bearing locking nut 7 and front shaft sleeve 8 to install and be pressed in hollow shaft 6 front portions; The ring front end is fastened on the hollow shaft 6 with locking nut 9 and rear axle housing 10 in the rear bearing 5.Enclose bolt by one on the Bearing Installation flange of wheel hub pitch variable bearings 11 is installed, become to encircle to go up in the slurry bearing 11 blade 12 is installed by special-purpose bolt.Before wheel hub, by bolt front bearing retainer 13 is installed on half 1 the bearing support front-end face, rear bearing cover 14 by bolton on the rear bearing block end face of wheel hub later half 2, the thrust that wheel hub is suffered is passed on the outer shroud of rear bearing 5, the interior ring, and the end thrust of wheel hub is mainly born by rear bearing 5.Generator inner stator 15, external stator 16 are anchored on the hollow shaft 6 by stator support 17 usefulness flanges and seam, and hollow shaft 6 and frame 18 are in the same place by flange and bolton between the two.Rotor 3 and inner stator 15, external stator 16 may be because the change of stress phase will produce distortion at run duration, and this distortion will influence all even stable of power generator air gap.For this reason, external stator 16 open ends are provided with external stator alignment bearing 19, are provided with rotor alignment bearing 20 in rotor 3 open ends, and are constant to guarantee the power generator air gap all-the-time stable.
As shown in Figure 2, external stator alignment bearing 19 still can guarantee that for external stator 16 open ends it is strict concentric with rotor 3 under the situation that its structure slightly is out of shape, and it comprises meront 21, meront mounting screw 22, rotor 23, rotor mounting screw 24 and roller 25.Meront 21 is installed on the stator support 17 by meront mounting screw 22.Rotor 23 is installed in before the wheel hub on half 1 by rotor mounting screw 24.All be processed with seam between half 1 between meront 21 and stator support 17 and before rotor 23 and the wheel hub, in order to guarantee the concentric all the time of this motor external stator open end and the forward and backward bearing of main shaft.Between meront 21 and rotor 23, be provided with roller 25.
As shown in Figure 3, rotor alignment bearing 20 still can guarantee that for rotor 3 open ends itself and stator are strict concentric under the situation that its structure slightly is out of shape, and it comprises rotor 26, another rotor mounting screw 27, meront 28 and another meront mounting screw 29.Rotor 26 is fastening through seam and rotor 3 ends by rotor mounting screw 27.Meront 28 is fastened on the stator support 17 through seam by meront mounting screw 29.So just can guarantee that rotor 3 ends are concentric with generator unit stator all the time.
The foregoing description only is used to illustrate the utility model, and wherein the structure of each parts, Placement, position etc. all are to change to some extent.Every equivalents of carrying out on the basis of technical solutions of the utility model and improved design all should not got rid of outside protection domain of the present utility model.
Claims (9)
1. built-in large-scale double-stator permanent magnet direct wind-driven generator, it is characterized in that: it comprises the wheel hub of the preceding later half composition of half-sum wheel hub of wheel hub, rotor one end is fixed on the described wheel hub preceding half, described wheel hub is supported on the hollow shaft by fore bearing, rear bearing, and described fore bearing relies on fore bearing locking nut and front shaft sleeve to install and be pressed in described hollow shaft front portion; The ring front end is fastened on the described hollow shaft with locking nut and rear axle housing in the described rear bearing; By a circle bolt pitch variable bearings is installed on the Bearing Installation flange of described wheel hub, on the described change slurry bearing inner ring blade is installed; On half the bearing support front-end face front bearing retainer is installed before the described wheel hub, rear bearing cover is fastened on the later half rear bearing block end face of described wheel hub; Generator inner stator, external stator are anchored on the described hollow shaft by stator support, and described hollow shaft and frame tighten together; Described external stator open end is provided with the external stator alignment bearing, and described rotor open end is provided with the rotor alignment bearing.
2. built-in large-scale double-stator permanent magnet direct wind-driven generator as claimed in claim 1, it is characterized in that: described external stator alignment bearing comprises meront, meront mounting screw, rotor, rotor mounting screw and roller; Described meront is installed on the described stator support by described meront mounting screw, and described rotor is installed in before the described wheel hub on half by described rotor mounting screw; Be provided with described roller between described meront and the described rotor.
3. built-in large-scale double-stator permanent magnet direct wind-driven generator as claimed in claim 2 is characterized in that: all be processed with seam between half between described meront and the described stator support and before described rotor and the described wheel hub.
4. as claim 1 or 2 or 3 described built-in large-scale double-stator permanent magnet direct wind-driven generators, it is characterized in that: described rotor alignment bearing comprises another rotor, another rotor mounting screw, another meront and another meront mounting screw; Described another rotor is fastening through seam and described rotor end by described another rotor mounting screw, and described another meront is fastened on the described stator support through seam by described another meront mounting screw.
5. as claim 1 or 2 or 3 described built-in large-scale double-stator permanent magnet direct wind-driven generators, it is characterized in that: described built-in large-scale double-stator permanent magnet direct wind-driven generator adopts double-stator permanent magnet is directly driven the structure that generator places the wheel hub inside of blower fan.
6. built-in large-scale double-stator permanent magnet direct wind-driven generator as claimed in claim 4 is characterized in that: described built-in large-scale double-stator permanent magnet direct wind-driven generator adopts double-stator permanent magnet is directly driven the structure that generator places the wheel hub inside of blower fan.
7. as claim 1 or 2 or 3 or 6 described built-in large-scale double-stator permanent magnet direct wind-driven generators, it is characterized in that: described wheel hub adopts vertical centering control to divide in the face of separation structure.
8. built-in large-scale double-stator permanent magnet direct wind-driven generator as claimed in claim 4 is characterized in that: described wheel hub adopts vertical centering control to divide in the face of separation structure.
9. built-in large-scale double-stator permanent magnet direct wind-driven generator as claimed in claim 5 is characterized in that: described wheel hub adopts vertical centering control to divide in the face of separation structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120011336XU CN201972854U (en) | 2011-01-14 | 2011-01-14 | Built-in large double-stator permanent magnet direct-drive wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120011336XU CN201972854U (en) | 2011-01-14 | 2011-01-14 | Built-in large double-stator permanent magnet direct-drive wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201972854U true CN201972854U (en) | 2011-09-14 |
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ID=44577959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120011336XU Expired - Lifetime CN201972854U (en) | 2011-01-14 | 2011-01-14 | Built-in large double-stator permanent magnet direct-drive wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201972854U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072097A (en) * | 2011-01-14 | 2011-05-25 | 国电联合动力技术有限公司 | Built-in large double-stator permanent magnet direct-driven wind power generator |
| CN105186761A (en) * | 2015-06-17 | 2015-12-23 | 浙江大学 | Oblique shaft supporting device |
| WO2017054679A1 (en) * | 2015-09-29 | 2017-04-06 | 北京金风科创风电设备有限公司 | Bearing support apparatus for wind power generator assembly and installation method thereof, and wind power generator assembly |
| CN107565748A (en) * | 2017-10-31 | 2018-01-09 | 佛山德玛特智能装备科技有限公司 | A kind of half frame direct driving motor and method |
-
2011
- 2011-01-14 CN CN201120011336XU patent/CN201972854U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072097A (en) * | 2011-01-14 | 2011-05-25 | 国电联合动力技术有限公司 | Built-in large double-stator permanent magnet direct-driven wind power generator |
| CN105186761A (en) * | 2015-06-17 | 2015-12-23 | 浙江大学 | Oblique shaft supporting device |
| CN105186761B (en) * | 2015-06-17 | 2017-08-04 | 浙江大学 | A kind of inclined shaft support meanss |
| WO2017054679A1 (en) * | 2015-09-29 | 2017-04-06 | 北京金风科创风电设备有限公司 | Bearing support apparatus for wind power generator assembly and installation method thereof, and wind power generator assembly |
| US10823155B2 (en) | 2015-09-29 | 2020-11-03 | Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd. | Bearing supporting apparatus for wind turbine generator system, installing method, and wind turbine generator system |
| CN107565748A (en) * | 2017-10-31 | 2018-01-09 | 佛山德玛特智能装备科技有限公司 | A kind of half frame direct driving motor and method |
| CN107565748B (en) * | 2017-10-31 | 2023-09-22 | 佛山德玛特智能装备科技有限公司 | Half-frame direct-drive motor, transportation fixing method, installation method, disassembly, assembly and replacement method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110914 Effective date of abandoning: 20120808 |