CN203239768U - Wind driven generator main shaft bearing sealing device - Google Patents
Wind driven generator main shaft bearing sealing device Download PDFInfo
- Publication number
- CN203239768U CN203239768U CN 201320193882 CN201320193882U CN203239768U CN 203239768 U CN203239768 U CN 203239768U CN 201320193882 CN201320193882 CN 201320193882 CN 201320193882 U CN201320193882 U CN 201320193882U CN 203239768 U CN203239768 U CN 203239768U
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- Prior art keywords
- seal ring
- driven generator
- sealing
- shaped oil
- outer seal
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- Expired - Fee Related
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Abstract
The utility model relates to a wind driven generator main shaft bearing sealing device. The sealing device comprises an outer sealing ring (2), an inner sealing ring (1) and a specially-shaped oil seal (5), wherein a recess is formed on the outer sealing ring (2) and close to the inner sealing ring (1); the recess part which is close to the inner sealing ring (1) and one end face of the outer sealing ring (2) are opened; at least one part of the abnormal oil seal (5) is positioned in the recess; and an eccentric washer (4) positioned on the outer part of the specially-shaped oil seal (5) connects the specially-shaped oil seal (5) with the outer sealing ring (2) through a fastener (3).
Description
Technical field
The utility model relates to wind-driven generator equipment technology field, especially relates to a kind of seal arrangement of mainshaft bearing of wind-driven generator.
Background technique
Wind-driven generator (abbreviation blower fan) main shaft is the vitals of unit transmission system, and the problem that spindle floating bearing and thrust-bearing ubiquity oil sealing sealing leak has had a strong impact on the safe and stable operation of blower fan.Characteristics for blower fan main shaft bearing low-speed heave-load are selected suitable oil sealing, can reduce the leakage rate of oil sealing sealing, the scaling loss of effectively avoiding bearing to cause because of oil starvation not only can alleviate owing to leak the environmental pollution that causes, and more can improve stability and the Economy of blower fan main shaft bearing operation.
Twice or the V-seal of multiple tracks are more adopted in the at present sealing of mainshaft bearing of wind-driven generator more, and this kind seal ring only plays end face sealing and dustproof effect, and is poor to the sealing effect that operates in the low-speed heave-load blower fan main shaft bearing under the alternate load; In addition, extraneous molecule impurity is very easily invaded oil sealing inside, in case clamp-oning of extraneous molecule impurity arranged, can be easy to adsorb and be deposited in the oil film position of working, these impurity particle things at first can smash oil film, make seal failure, and along with axle constantly rotates, the metal surface can be scraped burr, indenture gradually, and the Sealing that causes at last contacting is scratched.Someone is for the blower fan that has put into operation, on the basis that does not change main shaft bearing associated components Structural Hardware, V shape seal ring is installed additional off-gauge slender lobule type spring, adopt simultaneously spring ring banding seal ring, suitably increase area of contact and the contact stress of V shape seal ring lip and main shaft, effectively strengthen V shape seal ring to the sealing effect of grease, but the lifting of effect is still limited, can not fundamentally solve the problem that the blower fan main shaft Sealing easily lost efficacy, particularly for the Environmental Conditions of domestic most wind energy turbine set, because of dust storm large, the far super European and American areas of airborne molecule impurity content, the blower fan main shaft sealing was very easily lost efficacy, and had had a strong impact on the safe and stable operation of blower fan, maintenance cost is high, so it is extremely urgent to solve this problem.
For the deficiencies in the prior art, the sealing filling material that people once just think the outer seal ring of main shaft seal changes rubber seal into, yet because of the thickness low LCL of outer seal ring, rubber seal can not be installed, and fails to obtain the successful Application on the industry.
The model utility content
In order to overcome the defective of prior art, the utility model proposes a kind of mainshaft bearing of wind-driven generator seal arrangement, can improve sealability, reduce equipment failure rate.
In order to solve the problems of the technologies described above, the mainshaft bearing of wind-driven generator seal arrangement that the utility model provides comprises outer seal ring; Be positioned at the inner seal ring that described outer seal ring inner ring is connected with the outer seal ring Spielpassung; Special-shaped oil sealing, nearly inner seal ring position has concave station on the described outer seal ring, the nearly inner seal ring direction of described concave station and an end face direction of outer seal ring are not sealed, described special-shaped oil sealing has at least a part to be positioned at described concave station, and the eccentric washer that is positioned at the special-shaped oil sealing outside is connected to described special-shaped oil sealing on the described outer seal ring by fastening piece.
As one of improvement project of the present utility model, the special-shaped oil sealing of described mainshaft bearing of wind-driven generator seal arrangement and the contacting part of inner seal ring have dust excluder lips, the first sealing lip, the second sealing lip.
The beneficial effect that the utility model brings: the mainshaft bearing of wind-driven generator seal arrangement that the utility model provides, structural design by uniqueness and install eccentric washer additional, solved the thickness low LCL because of outer seal ring, the technical problem of rubber seal can not be installed, realized application industrially, better sealing effect can be provided.
Description of drawings
Accompanying drawing is used to provide further understanding of the present utility model, consists of the application's a part, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of embodiment's 1 seal arrangement;
Fig. 2 is the local structure for amplifying schematic representation of Fig. 1;
Fig. 3 is the structural representation of the concave station of embodiment's 2 seal arrangement outer seal rings.
Embodiment
Such as Fig. 1, mainshaft bearing of wind-driven generator seal arrangement shown in Figure 2, comprise outer seal ring 2, inner seal ring 1 is positioned at described outer seal ring 2 inner rings and is connected with outer seal ring 2 Spielpassung, nearly inner seal ring 1 position has a T-shaped concave station on the outer seal ring 2, nearly inner seal ring 1 direction of T-shaped concave station and an end face direction of outer seal ring 2 are not sealed, the part of described special-shaped oil sealing 5 is positioned at described T-shaped concave station, the eccentric washer 4 that is positioned at special-shaped oil sealing 5 outsides is connected to described special-shaped oil sealing 5 on the described outer seal ring 2 by a plurality of clamping bolts 3, and described special-shaped oil sealing 5 has dust excluder lips 51 with the contacting part of described inner seal ring 1, the first sealing lip 52, the second sealing lip 53.
In other embodiments, the concave station of outer seal ring 2 can have other shape, shape as shown in Figure 3.
Obviously, the utility model is not limited to above preferred implementation, also can be in the spirit of the utility model claim and specification restriction, carry out conversion and the improvement of various ways, can solve same technical problem, and obtain the technique effect of expection, so do not repeat.Those of ordinary skill in the art can be from the disclosed content of the utility model directly or all schemes of associating, as long as within the spirit that claim limits, also belong to protection domain of the present utility model.
Claims (2)
1. a mainshaft bearing of wind-driven generator seal arrangement comprises outer seal ring (2); Be positioned at the inner seal ring (1) that described outer seal ring (2) inner ring is connected with outer seal ring (2) Spielpassung; Special-shaped oil sealing (5), it is characterized in that: upper nearly inner seal ring (1) position of described outer seal ring (2) has concave station, nearly inner seal ring (1) one side of described concave station and an end face Fang Wei of outer seal ring (2) sealing, described special-shaped oil sealing (5) has at least a part to be positioned at described concave station, and the eccentric washer (4) that is positioned at special-shaped oil sealing (5) outside is connected to described special-shaped oil sealing (5) on the described outer seal ring (2) by fastening piece (3).
2. mainshaft bearing of wind-driven generator seal arrangement according to claim 1 is characterized in that: described special-shaped oil sealing (5) has dust excluder lips (51), the first sealing lip (52), the second sealing lip (53) with the contacting part of inner seal ring (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320193882 CN203239768U (en) | 2013-04-17 | 2013-04-17 | Wind driven generator main shaft bearing sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320193882 CN203239768U (en) | 2013-04-17 | 2013-04-17 | Wind driven generator main shaft bearing sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203239768U true CN203239768U (en) | 2013-10-16 |
Family
ID=49317071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320193882 Expired - Fee Related CN203239768U (en) | 2013-04-17 | 2013-04-17 | Wind driven generator main shaft bearing sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203239768U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195820A (en) * | 2013-04-17 | 2013-07-10 | 长沙福仕特机械科技有限公司 | Sealing device of spindle bearing of wind power generator and manufacturing method of sealing device |
-
2013
- 2013-04-17 CN CN 201320193882 patent/CN203239768U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195820A (en) * | 2013-04-17 | 2013-07-10 | 长沙福仕特机械科技有限公司 | Sealing device of spindle bearing of wind power generator and manufacturing method of sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20180417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |