CN208153253U - A kind of bearing and wind power generating set - Google Patents
A kind of bearing and wind power generating set Download PDFInfo
- Publication number
- CN208153253U CN208153253U CN201820264087.7U CN201820264087U CN208153253U CN 208153253 U CN208153253 U CN 208153253U CN 201820264087 U CN201820264087 U CN 201820264087U CN 208153253 U CN208153253 U CN 208153253U
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- China
- Prior art keywords
- inner ring
- plate body
- bearing
- heat dissipation
- dissipation plate
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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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- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model provides a kind of bearing and wind power generating set, bearing includes inner ring, outer ring and arc heat dissipation plate body, heat dissipation plate body is mounted on the inner surface of the inner ring, and at least it is equipped with one piece, at least formed with a groove on the outer surface of the heat dissipation plate body and/or the inner surface of the inner ring, after the outer surface of the heat dissipation plate body and the inner surface of the inner ring are fitted and connected, the notch of the groove is closed, and forms cooling liquid flowing channel.At this point, the inner surface of heat dissipation plate body is in completely smooth state, the position between heat dissipation plate body and inner ring is arranged in coolant liquid, and when heat is passed over from heat dissipation plate body, coolant liquid can simultaneously be cooled down heat dissipation plate body and inner ring.The set-up mode of above-mentioned heat dissipation plate body is face contact between inner ring and heat dissipation plate body, contact area is big when needing for rotation to be attached with inner ring.It also avoids individually processing hot channel in inner ring in the prior art simultaneously, cause to process cumbersome defect.
Description
Technical field
The utility model relates to technical field of bearings, and in particular to a kind of bearing with refrigerating function.
Background technique
Wind power generating set is by multiple portions such as blade, generator and the bearings that is connected between wheel hub and generator
Composition.
Bearing includes outer ring and inner ring, in a kind of structure of wind-driven generator, the outer ring of bearing and the stator of generator
Connection, inner ring are connected with the rotor of generator.Blade rotation after will drive inner ring rotation, and then drive rotor rotation, when turn
When sub- relative stator high-speed rotation, friction is generated between rotor meeting and stator, and then generate a large amount of heat.These heats need
It exhales in time, otherwise the temperature of Bearing inner can gradually rise, when the temperature is excessively high, the profit between outer ring and inner ring
The viscosity of lubricating oil will reduce, and make Bearing inner piece surface that tempering occur, burn even spot corrosion and surface peeling.Meanwhile working as temperature
It when spending high, can be expanded between inner ring and outer ring, cause to generate biggish internal stress therebetween, and then influence bearing
Normal rotation influences normal generating efficiency.
A kind of bearing cooling system is disclosed in the prior art, at the position that bearing outer ring and bearing inner race are in contact, axis
It holds inner ring and inwardly forms diversion trench.Coolant liquid is injected in diversion trench, and then is cooled down simultaneously to outer ring and inner ring.But
The heat of coolant liquid transmitted not only had included outer ring but also had included inner ring, therefore unobvious to the heat dissipation effect of inner ring.
For this purpose, another bearing cooling system is disclosed in the prior art, as shown in Figure 1, the inner surface in inner ring A is set
It is equipped with several and is spaced each other cooling line B, coolant liquid flows in cooling line B, and then the cooling work of complete matched bearings.
Since cooling line acts directly on the inner wall of inner ring, the cooling effect of bearing inner race is dramatically increased.
It is cold when needing to assemble bearing but since cooling line protrusion is arranged on the inner wall of inner ring
But the contact surface between pipeline and assembly parts is small, the situation for be easy to causeing assembly unstable.Simultaneously as cooling line is individually to set
It sets in inner ring, therefore process of the cooling line processing on inner ring inner wall is also complex.
Therefore, the technical problem to be solved by the present invention is to overcome cooling line in the prior art to be easy to cause axis
It installs and is not easy the defect assembled with unstable and cooling line.
Utility model content
For this purpose, the utility model provides a kind of bearing, including inner ring, outer ring and arc heat dissipation plate body, heat dissipation plate body installation
On the inner surface of the inner ring, and it is at least equipped with one piece, the outer surface of the heat dissipation plate body and/or the interior table of the inner ring
It is described after the outer surface of plate body of radiating is fitted and connected with the inner surface of the inner ring at least formed with a groove on face
The notch of groove is closed, and forms cooling liquid flowing channel.At this point, the inner surface of heat dissipation plate body is in completely smooth state, it is cooling
The position between heat dissipation plate body and inner ring is arranged in liquid, and when heat is passed over from heat dissipation plate body, coolant liquid can be right simultaneously
Heat dissipation plate body and inner ring are cooled down.The set-up mode of above-mentioned heat dissipation plate body, it is interior when needing for shaft and inner ring to be attached
It is face contact between circle and heat dissipation plate body, contact area is big.It also avoids individually processing heat dissipation in inner ring in the prior art simultaneously
Pipeline causes to process cumbersome defect.
It in the utility model, is provided on the heat dissipation plate body and is communicated with the coolant flow channel, connect for what cooling liquid stream entered
The pipe nozzle of nozzle and outflow, coolant liquid complete cooling procedure followed by pipe nozzle, coolant flow channel and pipe nozzle.
In the utility model, the wavy setting of cooling liquid flowing channel, wavy cooling liquid flowing channel can increase cold
But the flow area of liquid improves the cooling efficiency of coolant liquid.
In the utility model, the cooling liquid flowing channel includes two circumferential runners being circumferentially arranged along the inner ring, and two
It is provided with several shaft orientation flowing channels between circumferential direction runner described in item, coolant liquid can be along the shaft orientation flowing channel from a peripheral flow
Road flows in another circumferential runner, arranged substantially perpendicular to each other between the circumferential direction runner and the shaft orientation flowing channel.Pass through axial direction
The cooperation of runner and circumferential runner, may be implemented the cooling in inner ring whole thickness direction.
It is interlaced with each other on two circumferential runners to be provided with several point of cut-offs in the utility model, wherein an institute
State the dynamic coolant liquid in circumferential runner upstream enter by the blocking rear steering of the point of cut-off and by the shaft orientation flowing channel it is another
In circumferential direction runner described in item.Point of cut-off can play the role of the flowing for stopping the coolant liquid in circumferential runner, and then play cold
But liquid overall concurrent flow is dynamic, the effect of local serial flow.
In the utility model, the bearing further includes the slip ring that the rotation center of the bearing is arranged in, the slip ring
Including stationary part, and the rotating part that can be rotated relative to the stationary part, pipeline on the stationary part with it is described
Pipeline connection on rotating part, and the outflow pipe nozzle of the pipeline on the rotating part and the cooling liquid flowing channel and stream
Enter pipe nozzle connection, pipeline and static extraneous pipeline connection on the stationary part.
The utility model provides a kind of wind power generating set simultaneously, including the bearing.The wind power generating set
The rotor of generator is connect with the inner ring of the bearing, and the outer ring of the stator of the generator and the bearing connects
It connects.The cooling system of the cabin of the wind-driven generator unit is connected to the cooling liquid flowing channel, provides cooling for the bearing
Liquid.
Technical solutions of the utility model have the following advantages that：
1. bearing provided by the utility model, heat dissipation plate body is mounted on the inner surface of the inner ring, the heat dissipation plate body
Outer surface and/or the inner ring inner surface at least formed with a groove, the outer surface of the heat dissipation plate body with it is described
After the inner surface of inner ring is fitted and connected, the notch of the groove is closed, and forms cooling liquid flowing channel.At this point, heat dissipation plate body is interior
Surface is in smooth state completely, and the position between heat dissipation plate body and inner ring is arranged in coolant liquid, when heat is from heat dissipation plate body
When passing over, coolant liquid can simultaneously be cooled down heat dissipation plate body and inner ring.The set-up mode of above-mentioned heat dissipation plate body will turn
It is face contact between inner ring and heat dissipation plate body when son is attached with inner ring, contact area is big, and integrated connection is stablized.Simultaneously
It avoids and individually processes hot channel in inner ring in the prior art, causes to process cumbersome defect.
2. bearing provided by the utility model, the wavy setting of cooling liquid flowing channel, wavy cooling liquid flowing channel
The flow area that coolant liquid can be increased improves the cooling efficiency of coolant liquid.
3. bearing provided by the utility model, arranged substantially perpendicular to each other between the circumferential direction runner and the shaft orientation flowing channel.It is logical
The cooperation for crossing shaft orientation flowing channel and circumferential runner, may be implemented the cooling in inner ring whole thickness direction.
4. bearing provided by the utility model, point of cut-off can play the work for stopping the flowing of the coolant liquid in circumferential runner
With, and then play coolant liquid overall concurrent flow and move, the effect of local serial flow.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the bearing provided in the utility model background technique；
Fig. 2 is schematic diagram of the groove on inner ring；
Fig. 3 is the schematic diagram for the pipe nozzle being arranged on heat dissipation plate body；
Fig. 4 is the schematic diagram of the shaft orientation flowing channel being arranged on heat dissipation plate body and circumferential runner；
Fig. 5 is the schematic diagram for the point of cut-off being arranged on heat dissipation plate body.
Description of symbols：
1- inner ring；The outer ring 2-；4- pipe nozzle；5- circumferential direction runner；6- shaft orientation flowing channel；7- point of cut-off；8- groove；A- inner ring；
B- cooling line.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
Embodiment 1
As shown in Fig. 2, the present embodiment provides a kind of bearing, including inner ring 1, outer ring 2, heat dissipation plate body are mounted on the inner ring
Inner surface on, and be at least equipped with one piece, the outer surface of the heat dissipation plate body is at least formed with a groove, the heat sink
After the inner surface of the outer surface of body and the inner ring is fitted and connected, the notch of the groove is closed, and forms cooling liquid flowing channel.
As shown in Fig. 2, as interchangeable embodiment, at least formed with a groove 8 on the inner surface of the inner ring,
After the outer surface of the heat dissipation plate body and the inner surface of the inner ring are fitted and connected, the notch of the groove is sealed by heat dissipation plate body
It closes, forms cooling liquid flowing channel.
As another interchangeable embodiment, in the inner surface of inner ring portion corresponding with the heat dissipation outer surface of plate body
Position can mold groove simultaneously, and two grooves are correspondingly arranged, and form cooling liquid flowing channel.A kind of this embodiment in figure not
It provides.
In the present embodiment, the wavy setting of cooling liquid flowing channel, and then increase the flow area of coolant liquid, it improves cold
But the cooling efficiency of liquid.Meanwhile coolant liquid includes water and antirust anti-icing fluid, the addition of antirust anti-icing fluid can avoid cooling water from existing
It freezes under low-temperature condition, and reduces the corrosion to cooling liquid flowing channel.Also, coolant liquid also can choose oil as cooling medium.
In the present embodiment, the heat dissipation plate body is arc panel, and the outer arc of arc panel and the inner arc of inner ring fit.
As shown in figure 3, in the present embodiment, in order to realize the circulation of coolant liquid, be provided on the heat dissipation plate body with it is described
Coolant flow channel communicates, for the pipe nozzle 4 of pipe nozzle and outflow that cooling liquid stream enters.
As shown in Figures 4 and 5, in the present embodiment, the cooling liquid flowing channel includes two being circumferentially arranged along the inner ring
Circumferential runner 5.Be provided with several shaft orientation flowing channels 6 between two circumferential runners, coolant liquid can along the shaft orientation flowing channel from
One circumferential runner flows in another circumferential runner, Bi Cichuizhis between the circumferential direction runner and the shaft orientation flowing channel
Setting, angled can also be arranged.Circumferential runner may be implemented coolant liquid and flow in the circumferential direction, and shaft orientation flowing channel can
To realize coolant liquid along the flowing in inner ring or heat sink body thickness direction.
Meanwhile as shown in figure 5, interlaced with each other on two circumferential runners be provided with several point of cut-offs 7, wherein one
The dynamic coolant liquid in the circumferential direction runner upstream by the point of cut-off blocking rear steering and entered by the shaft orientation flowing channel another
In one circumferential runner.And then play coolant liquid overall concurrent flow and move, the effect of local serial flow.
In the present embodiment, the bearing further includes the slip ring that the rotation center of the bearing is arranged in, the slip ring packet
Include stationary part, and the rotating part that can be rotated relative to the stationary part, pipeline and the rotation on the stationary part
Pipeline connection on transfer part point, and the outflow pipe nozzle of the pipeline on the rotating part and the cooling liquid flowing channel and inflow
Pipe nozzle is connected to, pipeline and static extraneous pipeline connection on the stationary part.
The present embodiment provides a kind of wind power generating set, including bearing provided above simultaneously.The wind power generating set
The rotor of generator connect with the inner ring of the bearing, the outer ring of the stator of the generator and the bearing connects
It connects.Meanwhile the cooling system of the cabin of the wind-driven generator unit is connected to the cooling liquid flowing channel, is provided for the bearing
Coolant liquid.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (12)
1. a kind of bearing, including inner ring (1), outer ring (2), which is characterized in that further include：
Radiate plate body, is mounted on the inner surface of the inner ring (1), and is at least equipped with one piece along circumferential direction of inner ring, described scattered
At least formed with a groove (8) on the inner surface of the outer surface of hot plate body and/or the inner ring (1), the heat dissipation plate body
After the inner surface of outer surface and the inner ring (1) is fitted and connected, the notch of the groove is closed, and forms cooling liquid flowing channel.
2. bearing according to claim 1, which is characterized in that be provided with and the cooling liquid flowing channel on the heat dissipation plate body
It communicates, the pipe nozzle (4) of the pipe nozzle (4) and outflow that enter for cooling liquid stream.
3. bearing according to claim 1 or 2, which is characterized in that the wavy setting of cooling liquid flowing channel.
4. bearing according to claim 1, which is characterized in that the cooling liquid flowing channel includes two along the inner ring (1)
The circumferential runner (5) being circumferentially arranged.
5. bearing according to claim 4, which is characterized in that be provided with several between two circumferential runners (5)
Shaft orientation flowing channel (6), coolant liquid can flow to another circumferential runner from a circumferential runner (5) along the shaft orientation flowing channel
(5) in.
6. bearing according to claim 5, which is characterized in that interlaced with each other on two circumferential runners (5) to be provided with
Several point of cut-offs (7), wherein blocking of the coolant liquid flowed on a circumferential runner (5) by the point of cut-off (7)
Rear steering is simultaneously entered in another circumferential runner (5) by the shaft orientation flowing channel (6).
7. bearing according to claim 5, which is characterized in that between the circumferential direction runner (5) and the shaft orientation flowing channel (6)
Angled setting each other.
8. bearing according to claim 1, which is characterized in that the heat dissipation plate body is arc panel.
9. bearing described in any one of according to claim 1-2,4-8, which is characterized in that further include that the bearing is arranged in
The slip ring of rotation center, the slip ring include stationary part, and the rotating part that can be rotated relative to the stationary part, described
The pipeline connection on pipeline and the rotating part on stationary part, and the pipeline on the rotating part and the coolant liquid
The outflow pipe nozzle (4) of runner is connected to, the pipeline on the stationary part and static extraneous pipeline with inflow pipe nozzle (4)
Connection.
10. a kind of wind power generating set, which is characterized in that including
Any bearing in claim 1-9.
11. wind power generating set according to claim 10, which is characterized in that
The rotor of the generator of the wind power generating set is connect with the inner ring (1) of the bearing, and the generator is determined
It is sub to be connect with the outer ring (2) of the bearing.
12. wind power generating set according to claim 10, which is characterized in that the cabin of the wind-driven generator unit
Cooling system is connected to the cooling liquid flowing channel, provides coolant liquid for the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820264087.7U CN208153253U (en) | 2018-02-23 | 2018-02-23 | A kind of bearing and wind power generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820264087.7U CN208153253U (en) | 2018-02-23 | 2018-02-23 | A kind of bearing and wind power generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208153253U true CN208153253U (en) | 2018-11-27 |
Family
ID=64383116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820264087.7U Active CN208153253U (en) | 2018-02-23 | 2018-02-23 | A kind of bearing and wind power generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208153253U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542405A (en) * | 2022-02-28 | 2022-05-27 | 哈电风能有限公司 | Embedded main bearing liquid cooling structure |
-
2018
- 2018-02-23 CN CN201820264087.7U patent/CN208153253U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542405A (en) * | 2022-02-28 | 2022-05-27 | 哈电风能有限公司 | Embedded main bearing liquid cooling structure |
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| GR01 | Patent grant |