CN209012000U - The uniaxial shafting and wind power generating set of wind power generating set - Google Patents
The uniaxial shafting and wind power generating set of wind power generating set Download PDFInfo
- Publication number
- CN209012000U CN209012000U CN201821957199.7U CN201821957199U CN209012000U CN 209012000 U CN209012000 U CN 209012000U CN 201821957199 U CN201821957199 U CN 201821957199U CN 209012000 U CN209012000 U CN 209012000U
- Authority
- CN
- China
- Prior art keywords
- bearing
- power generating
- wind power
- generating set
- shafting
- Prior art date
- 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.)
- Active
Links
- 206010037660 Pyrexia Diseases 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 9
- 238000010276 construction Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 230000035772 mutation Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 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 description 1
Classifications
-
- 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
Landscapes
- Wind Motors (AREA)
Abstract
The utility model provides the uniaxial shafting and wind power generating set of a kind of wind power generating set, and wind power generating set includes generator, and generator includes stator and rotor, and the uniaxial shafting of wind power generating set includes: axis, and axis is fixed to one of stator and rotor；First bearing, first bearing is on the side in second side of the first side of the impeller of the close wind power generating set of axis and the cabin of the close wind power generating set of axis, it is set up directly between axis and the other of stator and rotor, wherein, the bearing capacity of the part of the close impeller of first bearing is greater than the bearing capacity of the part of the separate impeller of first bearing.The uniaxial shafting and wind power generating set of wind power generating set according to the present utility model, the phenomenon that can effectively avoid roller overload, fever, skidding, improve the uniaxial shafting middle (center) bearing service life, and bearing can be improved to the adaptability of different wind loads, the safety coefficient of bearing is improved, while improving the reliability of entire uniaxial shafting.
Description
Technical field
The utility model relates to the uniaxial shaftings and wind power generating set of a kind of wind power generating set.
Background technique
In wind power generating set, the function of main shaft system is support impeller, and a part of load (for example, torque load) is passed
Generator is passed, by other load transmissions to support constructions such as pedestals, the quality of performance has extremely wind power generating set
Important influence.It is well known that shafting type selecting is the key factor of wind driven generation set main shaft system design, wherein reasonable axis
It holds type selecting and is related to shafting performance, manufacture assembly cost and O&M cost, be vital component part in shafting type selecting.
For the transmission system of wind power generating set, twin shaft shafting include two axis, that is, dead axle and
The stator of rotation axis, dead axle and generator connects, and rotation axis is connected with the rotor of generator.Uniaxial shafting structure, which refers to, to be driven
There was only an axis in system, that is, only rotation axis or only dead axle.Base bearing plays the biography of support and power inside transmission system
The effect of passing.
For the bearing in transmission system, the rigidity of double-row bearing is larger, has good resistance load (example
Such as, bending load) ability, it is possible to reduce shafting deforms influence to power generator air gap, while shafting structure is compact, components
It is few.However, being at present symmetrical double-row roller bearing, symmetrical structure used in the uniaxial shafting of wind power generating set
It is bad for excessive or too small local load's adaptability.
Specifically, for wind power generating set, load is transmitted by hub side, according to the variation of wind,
Different lines bearing can bear the different load of difference in size.In the uniaxial shafting of wind power generating set, traditional biserial roller
Bearing arrangement is as shown in Figure 1, symmetrical double-row roller bearing includes outer ring 1, inner ring 2 and symmetrical 3 and of rank rear roller
Forefront roller 4.In this case, due to being located at 4 stress of forefront roller of upwind side (close to impeller side) greater than under being located at
The rank rear roller 3 of wind direction side (close to cabin side), therefore be easy to appear forefront roller 4 and carry what excessive or rank rear roller 3 skidded
Phenomenon.In other words, the shafting layout type of traditional symmetrical roller bearing cannot adapt to the excessive or too small wind in part completely
It carries, in fact it could happen that forefront roller is unsatisfactory for local loading demands, and rank rear roller is likely to occur and wastes one's talent on a petty job, even skids, right
Bad in biggish local load's adaptability, the reliability in service life and entire wind power generating set to bearing constitutes potential prestige
The side of body.
Utility model content
The symmetrical roller bearing used for above-mentioned wind power generating set the problem bad for local wind load adaptability, this
Utility model provides the uniaxial shafting and wind power generating set of a kind of wind power generating set.Wind-force hair according to the present utility model
The uniaxial shafting and wind power generating set of motor group can improve the bearing of the uniaxial shafting of wind power generating set for local pole
Hold the bad problem of wind load adaptability, using the asymmetric bearing of the utility model as wind power generating set single shaft shafting the
One bearing (or directly as single-bearing use), since the upwind side section stress of first bearing is greater than under first bearing
On the one hand the part of wind direction side can improve the case where bearing forefront is overloaded, rank rear skids, improve bearing life and wind-driven generator
On the other hand the reliability of the uniaxial shafting of group realizes the asymmetric row of bearing in the case where not changing bearing outer dimension
Cloth, on uniaxial shafting, other fit dimensions do not influence, and the replacement of bearing will not impact uniaxial shafting structure, save manufacture
And O&M cost.
One side according to the present utility model provides a kind of uniaxial shafting of wind power generating set, wind power generating set packet
Generator is included, generator includes stator and rotor, and the uniaxial shafting of wind power generating set includes: axis, and axis is fixed to stator and turns
One of son；First bearing, first bearing is in the first side of the impeller of the close wind power generating set of axis and the close wind of axis
On side in second side of the cabin of power generator group, it is set up directly between axis and the other of stator and rotor,
In, the bearing capacity of the part of the close impeller of first bearing is greater than the bearing capacity of the part of the separate impeller of first bearing.
Preferably, first bearing can be double-row roller bearing, the forefront roller and first axle of the close impeller of first bearing
The rank rear roller of the separate impeller held can be asymmetrically arranged.
Preferably, the contact angle of forefront roller is smaller than the contact angle of rank rear roller.
Preferably, the size of forefront roller can be greater than the size of rank rear roller.
Preferably, first bearing can be tapered roller bearing, cylinder roller bearing or self-aligning roller bearing.
Preferably, the uniaxial shafting of wind power generating set may also include second bearing, close impeller of the second bearing in axis
The first side and axis close cabin second side in the other side on, be set up directly on described another in axis and stator and rotor
Between one.
Preferably, second bearing can be single-row bearing.
Another aspect according to the present utility model, provides a kind of wind power generating set, and wind power generating set includes institute as above
The uniaxial shafting for the wind power generating set stated.
The utility model provides the uniaxial shafting and wind power generating set of a kind of wind power generating set, in such single shaft
There was only an axis in shafting, that is, only rotation axis or only dead axle, such a configuration reduces transmission system medium casting quantity, drops
The low cost of transmission system.
The uniaxial shafting and wind power generating set of wind power generating set according to the present utility model, using asymmetric first
Bearing distribution the phenomenon that can effectively avoid roller overload, fever, skid, improves uniaxial compared with traditional uniaxial shafting layout
Bearing life in shafting, and uniaxial shafting middle (center) bearing can be improved to the adaptability of different wind loads, improve the peace of bearing
Overall coefficient, while improving the reliability of entire uniaxial shafting.
In addition, the uniaxial shafting and wind power generating set of wind power generating set according to the present utility model, compared to symmetrical
Bearing arrangement, the distribution of asymmetric bearing by adjust contact angle or single-row roller dimension can to meet local load excessive
Bearing requirements do not have to whole increase bearing size, save the cost.
In addition, the uniaxial shafting and wind power generating set of wind power generating set according to the present utility model, with traditional list
Axis shafting layout is compared, using the shafting structure of asymmetric bearing for unstable wind load better adaptability.
In addition, the uniaxial shafting and wind power generating set of wind power generating set according to the present utility model, in shafting system
Size and the identical situation of specification under, compared to the uniaxial shafting system of symmetrical bearing, select asymmetric bearing, uniaxial axis
System has better load-carrying properties.
In addition, the uniaxial shafting and wind power generating set of wind power generating set according to the present utility model, can not change
It is realized in the case where becoming bearing outer dimension interface, does not influence other fit dimensions of main shaft system, the maintenance and replacement of uniaxial shafting
Cost reduces.
In addition, the uniaxial shafting and wind power generating set of wind power generating set according to the present utility model, with traditional list
Axis shafting layout is compared, and is laid out using the shafting of asymmetric bearing, since axially position precision is high, there is stronger axial load
Bearing capacity, for wind driven generation set main shaft system axial direction load adaptability more preferably.
Detailed description of the invention
Fig. 1 is the schematic cross-section of the symmetrical double-row roller bearing of wind power generating set according to prior art.
Fig. 2 is the schematic diagram of the uniaxial shafting of the wind power generating set of first embodiment according to the present utility model.
Fig. 3 is the schematic diagram of the uniaxial shafting of the wind power generating set of second embodiment according to the present utility model.
Drawing reference numeral explanation:
1: outer ring, 2: inner ring, 3: rank rear roller, 4: forefront roller, 11: axis, 12: first bearing, 13: stator, 14: turning
Son, 121: forefront roller, 122: rank rear roller, 15: second bearing.
Specific embodiment
Now with reference to attached drawing a more complete description the embodiments of the present invention, the utility model is shown in the attached drawings
Exemplary embodiment.In the accompanying drawings, identical label always shows identical component.Attached drawing can not to scale draw, be
Clear, explanation and conventionally, can exaggerate the relative size, ratio and description of the element in attached drawing.
The tool of the uniaxial shafting of wind power generating set according to the present utility model is described in detail below with reference to Fig. 2 and Fig. 3
Body construction.
The uniaxial shafting of wind power generating set refers to only has an axis in transmission system, that is, there was only rotation axis or only has
Dead axle.Fig. 2 shows the uniaxial shafting structures of the wind power generating set of first embodiment according to the present utility model.First implements
The uniaxial shafting of the wind power generating set of example includes axis 11 and first bearing 12.
Axis 11 can be fixed to one of stator 13 and rotor 14 of the generator of wind power generating set, and Fig. 2 is with exemplary
Mode shows axis 11 and is fixedly attached to stator 13, is connected for example, axis 11 can be used as dead axle with the direct flange of stator 13.However, axis
11 also can be used as rotation axis is connected with rotor, for example, stator 13 rotates as in structure shown in Fig. 2, rotor 14 is fixed not
It is dynamic.
First bearing 12 on the side in second side of the first side of the close impeller of axis 11 and the close cabin of axis 11,
It is set up directly between axis 11 and the other of stator 13 and rotor 14 one of (do not connect with axis 11).That is, the
One bearing 12 can be arranged in as illustrated in fig. 2 between axis 11 and rotor 14 as dead axle, and but not limited to this, in other implementations
In example, it may also be arranged between axis 11 and stator as rotation axis.
Specifically, by taking Fig. 2 as an example, the outer ring of first bearing 12 can be affixed directly to rotor 14, and rotor 14 and wind-force are sent out
The impeller of motor group is connected.The inner ring of first bearing 12 can be fixed to axis 11, and first bearing 12 is outer ring rotation, first bearing 12
Outer ring connect the wheel hub and rotor 14 of impeller simultaneously.However, the uniaxial shafting of wind power generating set may be alternatively formed to first axle
The construction for holding 12 inner ring rotation, for example, the inner ring of first bearing 12 is fixed to the axis 11 connecting with wheel hub and rotor, first axle
The pedestal for holding 12 outer ring and the fixation of wind power generating set connects.
In the uniaxial shafting of wind power generating set according to the present utility model, the part of the close impeller of first bearing 12
Bearing capacity be greater than first bearing 12 separate impeller part bearing capacity.For example, first bearing 12 can have it is asymmetric
Bearing arrangement, as shown in Fig. 2, first bearing 12 can be double-row roller bearing, the forefront of the close impeller of first bearing 12 is rolled
Son 121 and the rank rear roller 122 of the separate impeller of first bearing 12 can be asymmetrically arranged.
Specifically, it is however generally that, within the bearing, contact angle angle is different, the radial and axial component size of stress point
Also it changes correspondingly, contact angle θ (as shown in Figure 1) is bigger, and the axial carrying capacity of bearing roller is stronger, and radial bearing capacity is got over
It is small, and the shafting substantial radial load of wind power generating set.Since compared with rank rear roller 122, forefront roller 121 is loaded
It is larger, therefore the contact angle of forefront roller 121 is smaller than the contact angle of rank rear roller 122, so that the bearing capacity of forefront roller 121
Greater than the bearing capacity of rank rear roller 122.In this way, the roller stress of adjustable first bearing, promotes wind power generating set shafting system
System safety margin.
In the case, can lead in the case where guaranteeing that first bearing overall dimension, front and back column roller dimension are constant
The bearing requirements of front and back column roller of first bearing can be met by overregulating contact angle, this asymmetric bearing arrangement's mode,
Simple for structure, strong operability, one side save the cost improves the service life of bearing, on the other hand for abrupt local
There is better adaptability compared with big load.
In addition, forefront roller can also be made in order to make the bearing capacity of forefront roller 121 be greater than the bearing capacity of rank rear roller 122
121 size is greater than the size of rank rear roller 122, asymmetric bearing arrangement is formed, for example, making the length of forefront roller 121
Greater than the length of rank rear roller 122, but not limited to this, forefront roller 121 and/or rank rear roller can be adjusted according to actual design
122 size, as long as the bearing capacity of forefront roller 121 can be made greater than the bearing capacity of rank rear roller 122.
As described above, can be by adjusting the angle of forefront roller 121 and/or rank rear roller 122, changing forefront roller 121
And/or the mode of the size of rank rear roller 122 realizes asymmetric roller bearing structure, it according to actual needs, can also be simultaneously
It adjusts the angle of roller and changes the size of roller.In addition, the asymmetric implementation of front and back column roller of first bearing 12 is not
It is limited to above content, can also realizes by other means, as long as is able to satisfy front and back column roller under the wind load of mutation
Bearing requirements and the problems such as do not have skidded overheat.
In Fig. 2, first bearing 12 is shown as Biserial cylindrical roller bearing, but not limited to this, for example, it can also be biserial
Tapered roller bearing or double-row self-aligning roller bearing.
In above-mentioned uniaxial shafting structure, first bearing 12 is formed as asymmetric bearing structure, first bearing 12 it is close
The bearing capacity of the part of impeller can be born compared with big load, and especially for the local load of unstable mutation, adaptability is good.
Fig. 3 shows the uniaxial shafting structure of the wind power generating set of second embodiment according to the present utility model.With Fig. 2
In the uniaxial shafting of first embodiment compare, the uniaxial shafting of the wind power generating set of second embodiment further includes second bearing
15。
The other side of the second bearing 15 in second side of the first side of the close impeller of axis 11 and the close cabin of axis 11
On (side of not set first bearing 12), be set up directly on axis 11 and the other of stator 13 and rotor 14 (not with axis 11
One of connection) between.Similar with first bearing 12, the axis 11 as dead axle can be arranged in second bearing 15 as illustrated in fig. 3
Between rotor 14, but in other embodiments, it may also be arranged between axis 11 and stator as rotation axis.With Fig. 3
For, in the case where axis 11 is connected as dead axle with stator 13, the outer ring of second bearing 15 can be affixed directly to rotor 14, the
The inner ring of two bearings 15 can be fixed to axis 11.Second bearing 15 can be single-row bearing, for example, single row roller bearing.
In the fig. 3 embodiment, bearing includes first bearing 12 and second bearing 15, bearing is outer ring rotation, bearing
Outer ring connects the wheel hub of impeller and the rotor 14 of generator, the inner ring connecting shaft 11 of bearing, 11 direct method of stator 13 and axis simultaneously
Orchid is connected.
In this embodiment, first bearing 12 can have the asymmetric bearing structure similar with the description above with reference to Fig. 2.
That is, the angle of next two columns roller, the size for changing the size of roller or changing roller while adjusting angle before adjustable, with
The bearing capacity of forefront roller 121 is set to be greater than the bearing capacity of rank rear roller 122.In the case, as the not right of first bearing 12
Claim bearing, can bear compared with big load, especially for the local load of unstable mutation, adaptability is good.
This asymmetric bearing rigidity is big, on the one hand play the role of support shafting, it is most important that this bearing for
The better adaptability of wind load, can effectively avoid forefront roller overload and rank rear roller skid the phenomenon that.This single shaft shafting cloth
Office's mode effectively adjustment axis can honour the adaptability problem in local load, and the utilization rate of bearing improves.Meanwhile for
The structure of entire wind power generating set single shaft shafting, the stability and reliability of system increase.
Although showing first bearing 12 in the above-mentioned embodiment with Fig. 3 according to fig. 2 is close to the not right of impeller side setting
Claim bearing, and second bearing 15 is the single-row bearing far from impeller side (that is, close to cabin side) setting, but it is practical new according to this
The construction of the uniaxial shafting of the wind power generating set of type is without being limited thereto, the first axle according to load condition, as asymmetric bearing
Holding 12 can also be arranged close to cabin side, and can be arranged close to impeller side as the second bearing of single-row bearing 15.In the case,
Similarly, the bearing capacity of the part of the close impeller in the first bearing 12 of cabin side setting is greater than its portion far from impeller
The bearing capacity divided.
The utility model provides a kind of uniaxial shafting of wind power generating set, only one in such uniaxial shafting
Axis, that is, only rotation axis or only dead axle, such a configuration reduces transmission system medium casting quantity, reduce transmission system
Cost.
The uniaxial shafting of wind power generating set according to the present utility model is distributed using asymmetric bearing, and traditional
The phenomenon that uniaxial shafting layout is compared, and be can effectively avoid roller overload, fever, is skidded, improves the bearing life in uniaxial shafting,
And uniaxial shafting middle (center) bearing can be improved to the adaptability of different wind loads, the safety coefficient of bearing is improved, improve simultaneously
The reliability of entire single shaft shafting.
In addition, the uniaxial shafting of wind power generating set according to the present utility model, not right compared to symmetrical bearing arrangement
The bearing distribution of title can meet the excessive bearing requirements of local load by adjusting contact angle or single-row roller dimension, not have to whole
Body increases bearing size, save the cost.
In addition, the uniaxial shafting of wind power generating set according to the present utility model, compared with traditional uniaxial shafting layout,
Using the shafting structure of asymmetric bearing for unstable wind load better adaptability.
In addition, the uniaxial shafting of wind power generating set according to the present utility model, in the size and specification phase of shafting system
With in the case where, compared to the uniaxial shafting system of symmetrical bearing, asymmetric bearing is selected, uniaxial shafting, which has, preferably holds
Carry performance.
In addition, the uniaxial shafting of wind power generating set according to the present utility model, can not change bearing outer dimension
It is realized in the case where interface, do not influence other fit dimensions of main shaft system, the maintenance of uniaxial shafting and replacement cost reduce.
In addition, the uniaxial shafting of wind power generating set according to the present utility model, compared with traditional uniaxial shafting layout,
It is laid out using the uniaxial shafting of asymmetric bearing, since axially position precision is high, there is stronger axial load bearing capacity, it is right
In wind driven generation set main shaft system axial direction load adaptability more preferably.
Another embodiment of the utility model is a wind power generating set with above-mentioned uniaxial shafting, with above-mentioned list
Axis shafting beneficial effect is identical, therefore which is not described herein again.
Although the exemplary embodiment of the utility model is described in detail above, those skilled in the art are not taking off
From in the spirit and scope of the utility model, can the embodiments of the present invention be made with various modification and variation.But it answers
Work as understanding, in the opinion of those skilled in the art, these modification and variation will fall into the utility model defined by claim
Exemplary embodiment spirit and scope in.
Claims (8)
1. a kind of uniaxial shafting of wind power generating set, the wind power generating set include generator, the generator includes fixed
Sub (13) and rotor (14), which is characterized in that the uniaxial shafting of the wind power generating set includes:
Axis (11), the axis (11) are fixed to one of the stator (13) and the rotor (14)；
First bearing (12), the first bearing (12) the axis (11) close to the wind power generating set impeller the
On side in second side of the cabin of the close wind power generating set of side and the axis (11), it is set up directly on described
Between axis (11) and the other of the stator (13) and the rotor (14), wherein the first bearing (12) it is close
The bearing capacity of the part of the impeller is greater than the bearing capacity of the part far from the impeller of the first bearing (12).
2. the uniaxial shafting of wind power generating set according to claim 1, which is characterized in that the first bearing (12) is
Double-row roller bearing, the first bearing (12) close to the impeller forefront roller (121) and the first bearing (12)
Be asymmetrically arranged far from the rank rear roller (122) of the impeller.
3. the uniaxial shafting of wind power generating set according to claim 2, which is characterized in that the forefront roller (121)
Contact angle be less than the rank rear roller (122) contact angle.
4. the uniaxial shafting of wind power generating set according to claim 2 or 3, which is characterized in that the forefront roller
(121) size is greater than the size of the rank rear roller (122).
5. the uniaxial shafting of wind power generating set according to claim 2, which is characterized in that the first bearing (12) is
Tapered roller bearing, cylinder roller bearing or self-aligning roller bearing.
6. the uniaxial shafting of wind power generating set according to claim 1, which is characterized in that the wind power generating set
Uniaxial shafting further includes second bearing (15), and the second bearing (15) is in the axis (11) close to described the of the impeller
Side and the axis (11) on the other side in described second side of the cabin, be set up directly on the axis (11) with
Between the another one in the stator (13) and the rotor (14).
7. the uniaxial shafting of wind power generating set according to claim 6, which is characterized in that the second bearing (15) is
Single-row bearing.
8. a kind of wind power generating set, which is characterized in that the wind power generating set includes such as any one of claim 1-7 institute
The uniaxial shafting for the wind power generating set stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821957199.7U CN209012000U (en) | 2018-11-23 | 2018-11-23 | The uniaxial shafting and wind power generating set of wind power generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821957199.7U CN209012000U (en) | 2018-11-23 | 2018-11-23 | The uniaxial shafting and wind power generating set of wind power generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209012000U true CN209012000U (en) | 2019-06-21 |
Family
ID=66843059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821957199.7U Active CN209012000U (en) | 2018-11-23 | 2018-11-23 | The uniaxial shafting and wind power generating set of wind power generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209012000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446173A (en) * | 2021-07-15 | 2021-09-28 | 上海电气风电集团股份有限公司 | Wind generating set and transmission shaft system thereof |
-
2018
- 2018-11-23 CN CN201821957199.7U patent/CN209012000U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446173A (en) * | 2021-07-15 | 2021-09-28 | 上海电气风电集团股份有限公司 | Wind generating set and transmission shaft system thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101403367B (en) | Pitch bearing for wind turbine rotor blades | |
| US10260484B2 (en) | Bearing arrangement | |
| CN101070907B (en) | A gearbox for a wind turbine | |
| CN207349031U (en) | The shafting and wind power generating set of wind power generating set | |
| CN101080579B (en) | Bearing assembly for supporting a transmission shaft in a housing | |
| US8297929B2 (en) | Reinforced bearing for a wind-power generator blade | |
| US20110021309A1 (en) | Bearing arrangement for the rotatable mounting of a planet gear on a planet carrier | |
| CN209011999U (en) | The shafting and wind power generating set of wind power generating set | |
| JPWO2013191163A1 (en) | Compound plain bearing and wind power generator using this bearing | |
| CN209012000U (en) | The uniaxial shafting and wind power generating set of wind power generating set | |
| CN103586982A (en) | Mixing machine driver | |
| US20140225373A1 (en) | Electric machine with dampening means | |
| US11530684B2 (en) | Wind turbine and pitch bearing of the wind turbine | |
| WO2021060389A1 (en) | Double row tapered roller bearing | |
| CN104989601A (en) | Main bearing assembly of wind generating set | |
| US10900470B2 (en) | Wind turbine | |
| CN209385288U (en) | The shafting and wind power generating set of wind power generating set | |
| CN203395035U (en) | Bearing arrangement structure and speed reducer | |
| CN104061316B (en) | The slow-speed shaft supporting construction of wind turbine gearbox | |
| CN207554605U (en) | A kind of main fulcrum structure of the rotor of double-row bearing | |
| CN204851547U (en) | Wind generating set's main bearing assembly | |
| CN204338887U (en) | A kind of spindle structure of numerical-control machine tool of improvement | |
| CN106640949A (en) | Double-row angular contact ball bearing | |
| CN207719961U (en) | Separate type thrust magnetic axis bearing structure in a kind of magnetic suspension motor rotor | |
| CN206555283U (en) | A kind of Oscillating lever bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |