CN205370869U - Aerogenerator lubrication passage bearing structure and aerogenerator - Google Patents
Aerogenerator lubrication passage bearing structure and aerogenerator Download PDFInfo
- Publication number
- CN205370869U CN205370869U CN201521141029.8U CN201521141029U CN205370869U CN 205370869 U CN205370869 U CN 205370869U CN 201521141029 U CN201521141029 U CN 201521141029U CN 205370869 U CN205370869 U CN 205370869U
- Authority
- CN
- China
- Prior art keywords
- dead axle
- wind
- driven generator
- support frame
- supporting construction
- 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.)
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- 238000005461 lubrication Methods 0.000 title claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 42
- 238000010276 construction Methods 0.000 claims description 22
- 238000005096 rolling process Methods 0.000 claims description 21
- 230000004308 accommodation Effects 0.000 claims description 7
- 239000002184 metal Substances 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 28
- 239000003921 oil Substances 0.000 description 18
- 239000003925 fat Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000036244 malformation Effects 0.000 description 5
- 235000003140 Panax quinquefolius Nutrition 0.000 description 4
- 240000005373 Panax quinquefolius Species 0.000 description 4
- 239000004519 grease Substances 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000036772 blood pressure Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000014593 oils and fats Nutrition 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 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
Abstract
The utility model provides an aerogenerator lubrication passage bearing structure and contain this bearing structure's aerogenerator. Aerogenerator lubrication passage bearing structure includes pivot, dead axle and support frame, the pivot has the installation face, is provided with columniform pivot installation department on the installation face, the dead axle suit is on the pivot installation department, the ring shape boss coaxial with the dead axle have on the installation face, support frame fixed connection is on the outer wall of dead axle to the butt is on the inner wall of ring shape boss. The utility model discloses an aerogenerator lubrication passage bearing structure has can prevent that seal structure warp, guarantees sealed effect, avoids appearing taking place the phenomenon of metal collision and dry friction between labyrinth seals and the outside oil blanket to the life's of extension labyrinth seals and outside oil blanket advantage.
Description
Technical field
This utility model relates to technical field of wind power generation, particularly to a kind of wind-driven generator lubrication channel supporting construction and wind-driven generator.
Background technology
On wind-driven generator, especially in direct wind-driven generator group, main shaft seals is usually movable sealing.The effect sealed mainly avoids the grease of Bearing inner to reveal when bearing runs, and avoids bearing to can not get the sufficient lubrication of lubricating oil after revealing simultaneously, causes the premature failure of bearing.The reason of leakage fat is usually because extruding oils and fats is to sealing ring place, owing to certain pressure causes sealing ring lip to produce gap or owing to multiple factors such as malformation friction cause leakage fat phenomenon.Wherein, a principal element of leakage fat is because grease and is squeezed and transmits pressure to sealing ring place, also results in grease temperature additionally, due to bearing long-play and raises, to sealing ring place build-up of pressure.
In order to reduce axle system lubricating oil to sealing place build-up of pressure, bearing portion many employings labyrinth seal carries out blood pressure lowering, and outside adopts the modes such as oil sealing to carry out integral sealing.In order to reach as far as possible non-maintaining, reliability is high, reduce the target such as cost, generally adopts labyrinth sealing when structural design.This labyrinth sealing can reach blood pressure lowering and a degree of sealing effectiveness.But this is sealed into non-contacting seal, keeping certain interval between sealing, gap is big does not have sealing effectiveness, and seal clearance is little when stand under load it may happen that contact.Therefore the application of labyrinth seal is caused restriction.
When wind power generating set runs stand under load, main shaft seals can produce malformation, causing gap between labyrinth seal and outer side seal to reduce, causing occurring between labyrinth seal and outer side seal metal bump and dry friction, thus reducing the service life of labyrinth seal and outer side seal.
Utility model content
The purpose of this utility model is to provide a kind of reasonable in design, it is prevented from sealing malformation, thus avoiding the wind-driven generator lubrication channel supporting construction of metal bump and dry friction occurring between labyrinth seal and outer side seal and including the wind-driven generator of this supporting construction.
For achieving the above object, this utility model provides a kind of wind-driven generator lubrication channel supporting construction, and it includes rotating shaft, dead axle and bracing frame；Described rotating shaft, it has installed surface, is provided with rotating shaft installation portion on described installed surface；Described dead axle is sleeved on described rotating shaft installation portion；
Described installed surface has the round ring boss coaxial with described dead axle；Support frame as described above is fixedly connected on the outer wall of described dead axle, and is connected on the inwall of described round ring boss.
More preferably, the quantity of support frame as described above is two or more, and circumferentially uniformly arranges on the outer wall of described dead axle.
More preferably, support frame as described above include support end, described support end is provided with the first rolling element, and described support end is connected on the inwall of described round ring boss by described first rolling element.
More preferably, described first rolling element is roller, and described support end is provided with the groove that cross section is major arc shape, and described roller is arranged in described groove, and can rotate in described groove.
More preferably, there is centered by support frame as described above the round of through hole；
Support frame as described above is sleeved on the outer wall of described dead axle by described through hole, and fixing with described dead axle is connected, and the outer wall of support frame as described above is connected on the inwall of described round ring boss.
More preferably, the outer wall of support frame as described above is provided with the second rolling element, and the outer wall of support frame as described above is connected on the inwall of described round ring boss by described second rolling element.
More preferably, the quantity of described second rolling element is two or more, and circumferentially uniformly arranges on the outer wall of support frame as described above.
More preferably, described Sheng in oil space is provided with equal fat block.
More preferably, also including bearing, described dead axle has dead axle installation portion, and described dead axle installation portion is provided with the accommodation portion of cylinder, and described bearing holder (housing, cover) is contained on described rotating shaft installation portion, and described dead axle installation portion is sleeved on described bearing by described accommodation section.
This utility model additionally provides a kind of wind-driven generator, it wind-driven generator lubrication channel supporting construction including having any of the above technical characteristic.
Wind-driven generator lubrication channel supporting construction of the present utility model, by adopting bracing frame to be fixedly mounted on the outer wall of dead axle installation portion, and it is connected to the technical scheme on the inwall of round ring boss, achieve the effective support sealing structure, it is prevented from sealing malformation, avoid the occurrence of the phenomenon that metal bump and dry friction occur between labyrinth seal and outer side seal, thus extending the service life of labyrinth seal and outer side seal.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of wind-driven generator lubrication channel supporting construction of the present utility model；
Fig. 2 is the schematic diagram of the dead axle installation portion shown in Fig. 1；
Fig. 3 is the schematic diagram of the first embodiment of the bracing frame shown in Fig. 1；
Fig. 4 is the enlarged diagram in I portion in Fig. 3；
Fig. 5 is the schematic diagram of the second embodiment of the bracing frame shown in Fig. 1；
Wherein: 1-rotating shaft；11-installed surface；12-rotating shaft installation portion；13-round ring boss；2-dead axle；21-dead axle installation portion；211-accommodation portion；212-opening；3-bearing；4-bracing frame；41-link；42-support end；421-groove；43-the first rolling element；44-through hole；45-the second rolling element；5-labyrinth seal block；6-contains oil space；7-oil sealing；The equal fat block of 8-.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, referring to accompanying drawing and in conjunction with specific embodiments wind-driven generator lubrication channel supporting construction of the present utility model and wind-driven generator are described in further detail.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, be not used to limit this utility model.
As it is shown in figure 1, this utility model embodiment provides wind-driven generator lubrication channel supporting construction, it includes rotating shaft 1, dead axle 2 and bracing frame 4；Rotating shaft 1 has installed surface 11, is provided with rotating shaft installation portion 12 on installed surface 11；Dead axle 2 is sleeved on rotating shaft installation portion 12；Installed surface 11 has the round ring boss 13 coaxial with dead axle 2；Bracing frame 4 is fixedly connected on the outer wall of dead axle 2, and is connected on the inwall of round ring boss 13.Concrete structure sees description below:
Wind-driven generator lubrication channel supporting construction in this utility model embodiment, specifically includes rotating shaft 1, dead axle 2, bearing 3 and bracing frame 4.Rotating shaft 1 has installed surface 11, installed surface 11 is provided with the rotating shaft installation portion 12 of cylinder, it is preferable that rotating shaft installation portion 12 is vertical with installed surface 11.
As in figure 2 it is shown, dead axle 2 has the dead axle installation portion 21 of cylinder, dead axle installation portion 21 has the accommodation portion 211 of cylinder, and the one end in accommodation portion is opening 212.
Bearing 3 is sleeved on rotating shaft installation portion 12, and dead axle installation portion 21 is sleeved on bearing 3 by accommodation portion 211.The labyrinth seal block 5 of annular it is provided with between opening 212 and installed surface 11, will seal between opening 212 and installed surface 11, make between bearing 3 and installed surface 11, to form airtight Sheng oil space 6, contain in oil space 6 and hold the lubricating oil for bearing 3 is lubricated.Wherein, sealed between opening 212 and installed surface 11 by labyrinth seal block 5, be not inventive point of the present utility model, but a kind of prior art, this utility model is not intended to make improvements.Therefore the sealing mechanism of labyrinth seal block 5 is repeated no more herein.
Outer sheath at labyrinth seal block 5 is provided with oil sealing 7, and oil sealing 7 is fixedly connected on installed surface 11, and by non-contact seals mode by the clearance seal between labyrinth seal block 5 and installed surface 11.Wherein, oil sealing 7 by the clearance seal between labyrinth seal block 5 and installed surface 11, is not inventive point of the present utility model by non-contact seals mode, but a kind of prior art, this utility model is not intended to make improvements.Therefore mechanism and principle to the non-contact seals of oil sealing 7 repeats no more herein.
Installed surface 11 has the round ring boss 13 coaxial with rotating shaft 1, the internal diameter of round ring boss 13 is more than the external diameter of dead axle installation portion 21, bracing frame 4 is fixedly connected on the outer wall of dead axle installation portion 21, and it being connected on the inwall of round ring boss 13, bracing frame 4 can move on the inwall of described round ring boss 13.
Be supported between dead axle installation portion 21 and round ring boss 13 by bracing frame 4, can stop rotating shaft 1 that deformation occurs because running stand under load, simultaneously bracing frame 4 can and round ring boss 13 relative motion and do not affect the rotation of rotating shaft 1.So, it is prevented between labyrinth seal block 5 and oil sealing 7 because wind power generating set runs stand under load and is deformed, cause that the phenomenon occurring metal bump and dry friction between labyrinth seal block 5 and oil sealing 7 and rotating shaft 1 occurs, thus improve sealing effectiveness, extend labyrinth seal block 5 and the service life of oil sealing 7 simultaneously.It addition, dead axle installation portion 21 and round ring boss 13 are supported by bracing frame 4, it is not necessary to significantly high by the rigidity Design of dead axle installation portion 21, such that it is able to reduce the cost of manufacture of dead axle 2.
It addition, contain oil space 6 there is certain volume, in practical work process, only contain the interior lubricant grease that is full of in oil space 6 and can ensure the lubricant effect of bearing 3.Therefore, can adopt, in Sheng oil space 6, equal fat block 8 is set to fill the technical scheme containing oil space 6, make the volume in Sheng oil space 6 reduce, and then reduce the injection rate of lubricating oil, the lubrication cost of reduction bearing 3.
Bracing frame 4 can adopt any mode being capable of and supporting, and enumerates the supporting way of two kinds of bracing frames 4 in the present embodiment.
First kind of way, as it is shown on figure 3, bracing frame 4 has link 41 and support end 42；Bracing frame 4 is fixedly connected on the outer wall of dead axle installation portion 21 by link 41, and is connected on the inwall of round ring boss 13 by support end 42；The quantity of bracing frame 4 is two or more, and circumferentially uniformly arranges on the outer wall of dead axle 2 (dead axle installation portion 21).In the present embodiment, the quantity of bracing frame 4 is 8, and the link 41 of bracing frame 4 can be fixedly connected on the outer wall of dead axle installation portion 21 by modes such as welding or bolt connections.It should be noted that the arrangement circumferentially on the outer wall of dead axle installation portion 21 of multiple bracing frames 4 may not be uniformly.
More preferably, the support end 42 of bracing frame 4 is provided with the first rolling element 43, and support end 42 is connected on the inwall of round ring boss 13 by the first rolling element 43.Specifically, as shown in Figure 4, the first rolling element 43 is roller, and support end 42 is provided with the groove 421 that cross section is major arc shape, and roller is arranged in groove 421, and can rotate in groove 421.So, the support end 42 of bracing frame 4 can pass through roller and move on the inwall of round ring boss 13, reduces the frictional force between the inwall of support end 42 and round ring boss 13, and then reduces the performance load of wind power generating set.And the cross section of groove 421 is major arc shape, it is possible to preventing roller from coming off from groove 421, the installation making roller is more firm.
The second way, as it is shown in figure 5, have the round of through hole 44 centered by bracing frame 4；Bracing frame 4 is sleeved on the outer wall of dead axle 2 (dead axle installation portion 21) by through hole 44, and fixing with dead axle 2 (dead axle installation portion 21) is connected, and the outer wall of bracing frame 4 is connected on the inwall of round ring boss 13.Bracing frame 4 can be fixedly connected on the outer wall of dead axle installation portion 21 by modes such as welding, key connections.
More preferably, the outer wall of bracing frame 4 being provided with the second rolling element 45, the outer wall of bracing frame 4 is connected on the inwall of round ring boss 13 by the second rolling element 45.Second rolling element 45 set-up mode on bracing frame 4 can adopt mode described above.The quantity of the second rolling element 45 is two or more, and circumferentially uniformly arranges on the outer wall of bracing frame 4.
This utility model additionally provides a kind of wind-driven generator, and it includes the wind-driven generator lubrication channel supporting construction described in above example.
Above example makes this utility model have and is prevented from sealing malformation, it is ensured that sealing effectiveness, it is to avoid occur occurring between labyrinth seal and outer side seal the phenomenon of metal bump and dry friction, thus the advantage extending labyrinth seal and the service life of outer side seal.
Above example only have expressed several embodiments of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that, for the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (10)
1. a wind-driven generator lubrication channel supporting construction, it is characterised in that
Including rotating shaft (1), dead axle (2) and bracing frame (4)；
Described rotating shaft (1), it has installed surface (11), is provided with rotating shaft installation portion (12) on described installed surface (11)；
Described dead axle (2) is sleeved on described rotating shaft installation portion (12)；Described installed surface (11) has the round ring boss (13) coaxial with described dead axle (2)；
Support frame as described above (4) is fixedly connected on the outer wall of described dead axle (2), and is connected on the inwall of described round ring boss (13).
2. wind-driven generator lubrication channel supporting construction according to claim 1, it is characterised in that
The quantity of support frame as described above (4) is two or more, and circumferentially uniformly arranges on the outer wall of described dead axle (2).
3. wind-driven generator lubrication channel supporting construction according to claim 2, it is characterised in that
Support frame as described above (4) includes support end (42), described support end (42) is provided with the first rolling element (43), and described support end (42) is connected on the inwall of described round ring boss (13) by described first rolling element (43).
4. wind-driven generator lubrication channel supporting construction according to claim 3, it is characterised in that:
Described first rolling element (43) is roller, described support end (42) is provided with the groove (421) that cross section is major arc shape, described roller is arranged in described groove (421), and can rotate in described groove (421).
5. wind-driven generator lubrication channel supporting construction according to claim 1, it is characterised in that
There is centered by support frame as described above (4) round of through hole (44)；
Support frame as described above (4) is sleeved on the outer wall of described dead axle (2) by described through hole (44), and fixing with described dead axle (2) be connected, the outer wall of support frame as described above (4) is connected on the inwall of described round ring boss (13).
6. wind-driven generator lubrication channel supporting construction according to claim 5, it is characterised in that
The outer wall of support frame as described above (4) is provided with the second rolling element (45), and the outer wall of support frame as described above (4) is connected on the inwall of described round ring boss (13) by described second rolling element (45).
7. wind-driven generator lubrication channel supporting construction according to claim 6, it is characterised in that
The quantity of described second rolling element (45) is two or more, and circumferentially uniformly arranges on the outer wall of support frame as described above (4).
8. the wind-driven generator lubrication channel supporting construction according to claim 1 to 7 any one, it is characterised in that
Contain in oil space (6) and be provided with equal fat block (8).
9. wind-driven generator lubrication channel supporting construction as claimed in any of claims 1 to 7, it is characterised in that
Also include bearing (3), described dead axle (2) has dead axle installation portion (21), described dead axle installation portion (21) is provided with the accommodation portion (211) of cylinder, described bearing (3) is sleeved on described rotating shaft installation portion (12), and described dead axle installation portion (21) is sleeved on described bearing (3) by described accommodation section (211).
10. a wind-driven generator, it is characterised in that
Including the wind-driven generator lubrication channel supporting construction described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521141029.8U CN205370869U (en) | 2015-12-31 | 2015-12-31 | Aerogenerator lubrication passage bearing structure and aerogenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521141029.8U CN205370869U (en) | 2015-12-31 | 2015-12-31 | Aerogenerator lubrication passage bearing structure and aerogenerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205370869U true CN205370869U (en) | 2016-07-06 |
Family
ID=56275816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521141029.8U Active CN205370869U (en) | 2015-12-31 | 2015-12-31 | Aerogenerator lubrication passage bearing structure and aerogenerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205370869U (en) |
-
2015
- 2015-12-31 CN CN201521141029.8U patent/CN205370869U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |