CN202971606U - Novel bearing assembly on driving shaft of wind driven generator - Google Patents
Novel bearing assembly on driving shaft of wind driven generator Download PDFInfo
- Publication number
- CN202971606U CN202971606U CN2012204024798U CN201220402479U CN202971606U CN 202971606 U CN202971606 U CN 202971606U CN 2012204024798 U CN2012204024798 U CN 2012204024798U CN 201220402479 U CN201220402479 U CN 201220402479U CN 202971606 U CN202971606 U CN 202971606U
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- CN
- China
- Prior art keywords
- bearing
- transmission shaft
- ring
- driven generator
- wind
- 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.)
- Withdrawn - After Issue
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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)
Abstract
The utility model relates to a novel bearing assembly on a driving shaft of a wind driven generator. The novel bearing assembly comprises a bearing base fixed on a base, wherein the bearing base is internally provided with a bearing which can axially shift along the driving shaft; one side of the bearing base is provided with a bearing end cover; the key point is that an elastic device is arranged between an outer ring of the bearing and the bearing end cover, the elastic device comprises a thrust ring arranged on one side of the outer ring of the bearing, and the end surface of the thrust ring comprises multiple elastic units. The outer ring of the bearing is axially compacted on the bearing end cover through the elastic device and can receive part of axial force, and the bear burden of the bearing fixed on the driving shaft can be lighted.
Description
[technical field]
The utility model relates to a kind of bearing unit, particularly the bearing unit on the wind-driven generator transmission shaft.
[background technique]
The mean level axis wind power generator, in its transmission system, in order to guarantee the running precision of blower fan, generator adopts two bearing supporting drive shafts usually when transmission, because its working environment temperature difference of generator is larger, therefore its expand with heat and contract with cold make elongate axis, shrink apparent in view, for transmission shaft is stuck when expanding with heat and contract with cold variation, one of them bearing is for fixing, and another bearing can be along with the transmission shaft axial stretching, it does not axially contact with pedestal, therefore can not bear axial force.Like this generator at work nearly all axial force all act on the fixed end bearing.Due to generator when work its axial force very large, single bearing load carrying capacity is limited, causes the fixed end bearing axial load factor of some blower fans and loses efficacy in advance, causes motor not run well.
[model utility content]
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of simple in structure, can and can carry novel bearing assembly on the wind-driven generator transmission shaft of axial force with the transmission shaft axial stretching.
In order to address the above problem, the utility model by the following technical solutions:
Novel bearing assembly on a kind of wind-driven generator transmission shaft, comprise the bearing support that is fixed on pedestal, being provided with in described bearing support can be with the axially movable bearing of transmission shaft, described bearing support one side is provided with bearing (ball) cover, it is characterized in that: be provided with elastic device between the outer ring of described bearing and bearing (ball) cover.
Novel bearing assembly on a kind of wind-driven generator transmission shaft as above is characterized in that: described elastic device comprises the thrust ring that is located at described bearing outer ring one side, and described thrust ring end face is provided with a plurality of Flexible elements.
Novel bearing assembly on a kind of wind-driven generator transmission shaft as above, it is characterized in that: described Flexible element comprises the accommodating cover of elastic component that is located on described thrust ring end face, be provided with elastic component in the accommodating cover of described elastic component, described elastic component is provided with it is suppressed compressing member on described bearing (ball) cover.
Novel bearing assembly on a kind of wind-driven generator transmission shaft as above is characterized in that: described elastic component is belleville spring.
Novel bearing assembly on a kind of wind-driven generator transmission shaft as above is characterized in that: be provided with in the accommodating cover of described elastic component with described compressing member and elastic component axial compression screw.
Novel bearing assembly on a kind of wind-driven generator transmission shaft as above, it is characterized in that: be set with an end on described transmission shaft and axially be pressed against on described transmission shaft, the other end is pressed against the first inner shield ring on described bearing inner race, with the second inner shield ring that presses the described bearing inner race the other end, and with the locking nut of described the second inner shield ring, bearing inner race, the first inner shield ring axial compression.
Novel bearing assembly on a kind of wind-driven generator transmission shaft as above is characterized in that: described the second inner shield ring excircle is provided with two circle grooves, is provided with the seal ring that described bearing (ball) cover is clamped in described groove.
The beneficial effects of the utility model have: transmission shaft is with dynamic bearing away from bearing (ball) cover when heat expansion is extended, and elastic device recovers deformation, and bearing outer ring can be passed to bearing (ball) cover with axial force by elastic device, can bear section axial power; Thrust ring is provided with a plurality of belleville springs, makes the elastic device elastic force larger, can bear larger axial force, improves working life.
[description of drawings]
Fig. 1 is main sectional view of the present utility model;
Fig. 2 is the I section enlarged view of Fig. 1;
Fig. 3 is component diagram of the present utility model;
Fig. 4 is use state reference map of the present utility model.
[embodiment]
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
As shown in Figure 1 to Figure 3, novel bearing assembly on a kind of wind-driven generator transmission shaft, comprise the bearing support 1 that is fixed on pedestal, being provided with in bearing support 1 can be with the axially movable bearing 2 of transmission shaft 3, bearing 2 can be biserial garden cone roller selfaligning bearing, and bearing support 1 be Spielpassung with bearing 2, bearing 2 and transmission shaft 3 interference fit, transmission shaft 3 is flexible when expanding with heat and contract with cold like this, will be with dynamic bearing 2 to move axially with respect to bearing support 1.Being set with an end on transmission shaft 3 axially is pressed against on transmission shaft 3, the other end is pressed against the first inner shield ring 6 on bearing 2 inner rings, with the second inner shield ring 7 that presses the described bearing 2 inner ring the other ends, and with the locking nut 8 of the second inner shield ring 7, bearing 2 inner rings, the first inner shield ring 6 axial compression, can prevent that like this bearing 2 is with respect to transmission shaft 3 relative slidings.The second inner shield ring 7 excircles are provided with two circle grooves 71, are provided with the seal ring 72 that bearing (ball) cover 4 is clamped in groove 71.bearing support 1 one sides are provided with bearing (ball) cover 4, be provided with elastic device 5 between the outer ring of bearing 2 and bearing (ball) cover 4, elastic device 5 comprises the thrust ring 51 that is located at bearing 2 outer ring one sides, thrust ring 51 end faces are provided with a plurality of Flexible elements 52, Flexible element 52 comprises the accommodating cover 56 of the elastic component that is located on thrust ring 51 end faces, be provided with elastic component 53 in the accommodating cover 56 of elastic component, elastic component 53 can be belleville spring, elastic component 53 is provided with it is suppressed compressing member 54 on bearing (ball) cover 4, be provided with in the accommodating cover 56 of elastic component with compressing member 54 and elastic component 53 axial compression screw 55.By many groups belleville spring, the axial force of bearing 2 outer rings is reached bearing (ball) cover 4 like this, bearing (ball) cover 4 is fixed on pedestal.
During use as shown in Figure 4, this bearing unit is arranged on the bigger diameter end of transmission shaft 2, it is namely the blade of wind-driven generator end, bearing (ball) cover 4 is arranged on the side away from blade, rigid bearing 9 is fixedly mounted on an other end of transmission shaft 2, be namely an end of uni-drive gear box, produce large wind during due to the rotation of blade, make bearing bear larger axis to power.Because the outer ring of bearing 2 fills 5 by elasticity, axial force is passed to bearing (ball) cover 4, bearing (ball) cover 4 is fixed on bearing support 1, bearing support 1 is fixed on pedestal, therefore axial force can be given to pedestal, bears section axial power, alleviate bearing burdens of rigid bearing 9, improve working life.
Claims (7)
1. the novel bearing assembly on a wind-driven generator transmission shaft, comprise the bearing support (1) that is fixed on pedestal, being provided with in described bearing support (1) can be with the axially movable bearing (2) of transmission shaft (3), described bearing support (1) one side is provided with bearing (ball) cover (4), it is characterized in that: be provided with elastic device (5) between the outer ring of described bearing (2) and bearing (ball) cover (4).
2. the novel bearing assembly on a kind of wind-driven generator transmission shaft according to claim 1, it is characterized in that: described elastic device (5) comprises the thrust ring (51) that is located at described bearing (2) outer ring one side, and described thrust ring (51) end face is provided with a plurality of Flexible elements (52).
3. the novel bearing assembly on a kind of wind-driven generator transmission shaft according to claim 2, it is characterized in that: described Flexible element (52) comprises the accommodating cover of elastic component (56) that is located on described thrust ring (51) end face, be provided with elastic component (53) in the accommodating cover of described elastic component (56), described elastic component (53) is provided with it is suppressed compressing member (54) on described bearing (ball) cover (4).
4. the novel bearing assembly on a kind of wind-driven generator transmission shaft according to claim 3, it is characterized in that: described elastic component (53) is belleville spring.
5. the novel bearing assembly on a kind of wind-driven generator transmission shaft according to claim 3 is characterized in that: be provided with in the accommodating cover of described elastic component (56) with described compressing member (54) and elastic component (53) axial compression screw (55).
6. the novel bearing assembly on a kind of wind-driven generator transmission shaft according to claim 1, it is characterized in that: be set with an end on described transmission shaft (3) and axially be pressed against on described transmission shaft (3), the other end is pressed against the first inner shield ring (6) on described bearing (2) inner ring, with the second inner shield ring (7) that presses described bearing (2) the inner ring the other end, and with the locking nut (8) of described the second inner shield ring (7), bearing (2) inner ring, the first inner shield ring (6) axial compression.
7. the novel bearing assembly on a kind of wind-driven generator transmission shaft according to claim 6, it is characterized in that: described the second inner shield ring (7) excircle is provided with two circle grooves (71), is provided with the seal ring (72) that described bearing (ball) cover (4) is clamped in described groove (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204024798U CN202971606U (en) | 2012-08-14 | 2012-08-14 | Novel bearing assembly on driving shaft of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204024798U CN202971606U (en) | 2012-08-14 | 2012-08-14 | Novel bearing assembly on driving shaft of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202971606U true CN202971606U (en) | 2013-06-05 |
Family
ID=48512686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204024798U Withdrawn - After Issue CN202971606U (en) | 2012-08-14 | 2012-08-14 | Novel bearing assembly on driving shaft of wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202971606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808857A (en) * | 2012-08-14 | 2012-12-05 | 广东明阳风电产业集团有限公司 | Bearing assembly on transmission shaft of wind driven generator |
-
2012
- 2012-08-14 CN CN2012204024798U patent/CN202971606U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808857A (en) * | 2012-08-14 | 2012-12-05 | 广东明阳风电产业集团有限公司 | Bearing assembly on transmission shaft of wind driven generator |
| CN102808857B (en) * | 2012-08-14 | 2015-05-20 | 广东明阳风电产业集团有限公司 | Bearing assembly on transmission shaft of wind driven generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jilin Mingyang Wind Power Technology Co., Ltd. Assignor: Guangdong Mingyang Wind Power Group Co., Ltd. Contract record no.: 2014220000058 Denomination of utility model: Novel bearing assembly on driving shaft of wind driven generator Granted publication date: 20130605 License type: Exclusive License Record date: 20141225 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130605 Effective date of abandoning: 20150520 |
|
| RGAV | Abandon patent right to avoid regrant |