CN202550797U - Oil leakage-preventive sealing device of wind power slip ring - Google Patents
Oil leakage-preventive sealing device of wind power slip ring Download PDFInfo
- Publication number
- CN202550797U CN202550797U CN2012201264592U CN201220126459U CN202550797U CN 202550797 U CN202550797 U CN 202550797U CN 2012201264592 U CN2012201264592 U CN 2012201264592U CN 201220126459 U CN201220126459 U CN 201220126459U CN 202550797 U CN202550797 U CN 202550797U
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- China
- Prior art keywords
- slip ring
- wind
- main shaft
- sealing device
- transmission main
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- Withdrawn - After Issue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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Abstract
The utility model relates to a wind-driven generator, particularly, the implementation mode of the utility model relates to an oil leakage-preventive sealing device of a wind power slip ring, which can be used for preventing oil and other impurities from entering an inner cavity of the slip ring of the wind-driven generator to cause stopping of the wind-driven generator. The oil leakage-preventive sealing device of the wind power slip ring comprises a slip ring shell (1) and a connector assembly (6), wherein the slip ring shell (1) is connected with a transmission main shaft (5) of the wind-driven generator; the transmission main shaft (5) is internally provided with an oil-proof connector (2); a sealing ring (4) is arranged at a position where the oilproof connector (2) and the slip ring shell (1) are connected; and a cable connected with the connector assembly (6) penetrates through the oil-proof connector (2) extends into the transmission main shaft (5). The oil leakage-preventive sealing device has one of beneficial effects that oil and other impurities are effectively prevented from entering the inner cavity of the slip ring; and when flowing to the connection part of the main shaft and the slip ring shell, the oil and other impurities can timely overflow through an oil discharge tank, so that the condition that the oil and other impurities possibly enter the slip ring is further prevented, the working reliability and service life of the slip ring are improved, and the working property of the slip ring is ensured.
Description
Technical field
The execution mode of the utility model relates to wind-driven generator, more specifically, gets into the wind-powered electricity generation slip ring leakproof oil sealing device that wind-driven generator slip ring inner chamber causes wind-driven generator to be shut down thereby the execution mode of the utility model relates to a kind of impurity such as fluid that prevents.
Background technology
At present; Slip ring inner chamber in the double-feedback aerogenerator the and fixedly inner chamber of the transmission main shaft of the hollow shape of slip ring is less than sealing, when impurity such as fluid occurring when the inner chamber of the transmission main shaft of hollow shape, these impurity can penetrate into the slip ring inner chamber; The slip ring inner chamber is equipped with and transmits the required power cable of wind-driven generator and the cable and the connector of various control signals; And conducting ring and brush, the conductor of these devices exposes mostly in the slip ring inner chamber, when impurity such as fluid penetrate into these conductive surfaces; With the service behaviour that has a strong impact on slip ring, very easily cause wind-driven generator to shut down.At present, in the double-feedback aerogenerator, the phenomenon that impurity such as fluid appear in the inner chamber of slip ring power transmission shaft is very serious; And then have a strong impact on the use of slip ring, thus cause the whole wind power generator can't operate as normal, implement the comparison difficulty in technology by impurity such as supernatant degreasing fluid from the source; Cost is also higher; We take to cut off the path of impurity such as fluid and slip ring inner chamber, make impurity such as fluid can not get into the slip ring inner chamber, thereby the work that has guaranteed slip ring does not receive the influence of impurity such as fluid.
The utility model content
The utility model has overcome the deficiency of prior art, and a kind of execution mode of wind-powered electricity generation slip ring leakproof oil sealing device is provided, and can solve existing double-feedback aerogenerator with expectation and cause the problem of shutting down because impurity such as fluid penetrates into the slip ring inner chamber.
For solving above-mentioned technical problem, a kind of execution mode of the utility model adopts following technical scheme:
A kind of wind-powered electricity generation slip ring leakproof oil sealing device; Comprise slip ring housing and connector; The slip ring housing is connected with the transmission main shaft of wind-driven generator, is provided with grease proofing joint in the transmission main shaft, and the cable that is connected with connector passes grease proofing joint and extends in the transmission main shaft.
For making the utility model play better technique effect:
It is hollow cylindrical that technical scheme further is that above-mentioned transmission main shaft is, and grease proofing joint is arranged on transmission main shaft middle part hollow position.
Technical scheme further be above-mentioned grease proofing joint in be provided with the sealing fuse; The top is provided with lock nut; The lock nut of screwing will make sealing fuse and grease proofing joint housing that grease proofing joint is inner and respectively restraint the cable extruding tightly, thereby reach the purpose of sealing.
Technical scheme further is that above-mentioned sealing fuse is that elastic sealing element by porous constitutes, and the described cable that is connected with connector is that the hole of passing on the sealing fuse extends in the transmission main shaft.
Technical scheme further is to be provided with first O-ring seals between above-mentioned slip ring housing and the transmission main shaft, and it is inner to prevent that impurity that transmission main shaft is outside etc. from getting into slip ring.
Technical scheme further is to be provided with second O-ring seals between above-mentioned slip ring housing and the grease proofing joint; This second O-ring seals can strengthen the sealing effectiveness of grease proofing joint, plays the oil that prevents from the inner cable sheath of transmission main shaft flows out and gets into the slip ring enclosure interior.
Technical scheme further is that above-mentioned slip ring housing is to adopt to be threaded with grease proofing joint.
Technical scheme further is between above-mentioned slip ring housing and the transmission main shaft the good ring flange of electrical insulation properties to be installed.
Technical scheme further is to be provided with at least one groove of draining the oil with the ring flange joint on the above-mentioned slip ring housing.
Technical scheme further is that above-mentioned grease proofing joint is to adopt modified rubber to process, and the oil resistant rubber of modification has good oil resistant, ageing-resistant, compression seal performance.
Technical scheme further is that above-mentioned first O-ring seals and second O-ring seals all is to adopt modified butadiene acrylonitrile rubber to process.
Compared with prior art; One of beneficial effect of the utility model is: effectively stoped impurity entering slip ring inner chambers such as fluid; And can in time overflow through the groove of draining the oil; Further prevent to get into the possibility of slip ring, improved the functional reliability and the useful life of slip ring, guaranteed the service behaviour of slip ring.
Description of drawings
Fig. 1 shows the structural representation of an embodiment of the utility model wind-powered electricity generation slip ring leakproof oil sealing device;
Fig. 2 is the upward view of Fig. 1, shows embodiment of the utility model wind-powered electricity generation slip ring leakproof oil sealing device;
Fig. 3 is the A-A cutaway view of Fig. 2, shows embodiment of the utility model wind-powered electricity generation slip ring leakproof oil sealing device.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Fig. 1 shows embodiment of the utility model wind-powered electricity generation slip ring leakproof oil sealing device: a kind of wind-powered electricity generation slip ring leakproof oil sealing device; Comprise slip ring housing 1 and the connector (scheming not shown) that is installed in slip ring housing 1 inside; Described slip ring housing 1 is connected with the transmission main shaft 5 of wind-driven generator; Wherein slip ring housing 1 is whole rectangular; It is hollow cylindrical that transmission main shaft 5 is, and is provided with grease proofing joint (scheming not shown) in the transmission main shaft 5, and the cable that is connected with connector (scheming not shown) passes grease proofing joint (scheming not shown) and extends in the transmission main shaft 5.An embodiment according to the utility model wind-powered electricity generation slip ring leakproof oil sealing device; Between slip ring housing 1 and the transmission main shaft 5 ring flange 7 is installed; This ring flange 7 has good electric insulating quality can effectively prevent slip ring housing 1 and transmission main shaft 5 conduction of current each other, plays the effect of insulation.Another embodiment according to the utility model wind-powered electricity generation slip ring leakproof oil sealing device; On slip ring housing 1, be provided with at least one groove 3 of draining the oil with ring flange 7 joints; Preferred scheme is that six grooves 3 of draining the oil are set; This groove 3 of draining the oil is communicated with the inside and outside of slip ring housing 1, but forms the passage of fuel feeding liquid percolation together, can in time guide out slip ring housing 1 with the fluid of ring flange 7 joints with flowing on the slip ring housing 1; To prevent that impurity such as fluid from depositing in slip ring housing 1 and ring flange 7 joints for a long time, causes damage to parts.
Fig. 2 shows an embodiment of the utility model wind-powered electricity generation slip ring leakproof oil sealing device: a kind of wind-powered electricity generation slip ring leakproof oil sealing device; All an embodiment of the utility model wind-powered electricity generation slip ring leakproof oil sealing device shown in Fig. 1 is identical for be connected matching relationship and the individual features of its slip ring housing 1, transmission main shaft 5, drain the oil groove 3 and ring flange 7; Be mounted in slip ring housing 1 inner connector 6 more specifically and have two; Certainly the number of plug connector 6 can change according to different model and actual conditions; So do not limit its number in the utility model; Be provided with grease proofing joint 2 in the transmission main shaft 5, the cable that is connected with connector 6 passes grease proofing joint 2 and extends in the transmission main shaft 5, and the effect of the plug connector 6 at this place is that cable is connected with the electric equipment of each parts.According to embodiment of the utility model wind-powered electricity generation slip ring leakproof oil sealing device; Be provided with sealing fuse 8 in the grease proofing joint 2; As preferably; Sealing fuse 8 is that the elastic sealing element by porous constitutes, and the described cable that is connected with connector 6 is that the hole of passing on the sealing fuse 8 extends in the transmission main shaft 5.
Fig. 3 shows embodiment of the utility model wind-powered electricity generation slip ring leakproof oil sealing device: a kind of wind-powered electricity generation slip ring leakproof oil sealing device; Comprise slip ring housing 1 and connector 6; Described slip ring housing 1 is connected with the transmission main shaft 5 of wind-driven generator; Be provided with grease proofing joint 2 in the transmission main shaft 5, the cable that is connected with connector 6 passes grease proofing joint 2 and extends in the transmission main shaft 5, and it is hollow cylindrical that the transmission main shaft 5 in the more concrete present embodiment is; Grease proofing joint 2 is arranged on transmission main shaft 5 middle part hollow positions; Wherein grease proofing joint 2 more particularly fixes on the through hole of the joint of slip ring housing 1 and transmission main shaft 5, and the outer wall of grease proofing joint 2 preferably closely contacts with the inwall of slip ring housing 1 and the inwall of grease proofing joint 2 and transmission main shaft 5, can further play certain sealing effectiveness for optimum.An embodiment according to the utility model wind-powered electricity generation slip ring leakproof oil sealing device; The inside of grease proofing joint 2 is provided with sealing fuse 8; As preferably; Sealing fuse 8 is that the elastic sealing element by porous constitutes, and the hole on the elastic sealing element is the perforation of vertical direction, is communicated with two cavitys that separated by slip ring housing 1, transmission main shaft 5 and grease proofing joint 2; The described cable that is connected with connector 6 is that the hole of passing on the sealing fuse 8 extends in the transmission main shaft 5; The top of grease proofing in addition joint 2 is provided with lock nut 9, can grease proofing joint 2 inner sealing fuses 8 be shunk through the lock nut 9 of screwing, and each cable extruding of passing the hole on the sealing fuse 8 is tight; The fluid that cable along the line is flow down can not pass from the slit between the hole on each cable and the sealing fuse 8 plug connector 6 in the slip ring housing 1 is caused damage, plays the effect of sealing.
Another embodiment according to the utility model wind-powered electricity generation slip ring leakproof oil sealing device; For preventing that outside fluid from getting into 1 pair of plug connector 6 of slip ring housing through slip ring housing 1 and ring flange 7 joints again along slip ring housing 1 outer wall and causing damage; Between slip ring housing 1 and ring flange 7, be provided with first O-ring seals 10; Described ring flange 7 be provided with one with the suitable groove of first O-ring seals 10, and first O-ring seals 10 is placed in this groove.Another embodiment according to the utility model wind-powered electricity generation slip ring leakproof oil sealing device; Be provided with second O-ring seals 4 between slip ring housing 1 and the grease proofing joint 2; This second O-ring seals 4 can strengthen the sealing effectiveness between slip ring housing 1 and the grease proofing joint 2, plays to prevent that transmission main shaft 5 inner cable sheath fluid oil that flow out or that slip ring housing 1 shell flows to from getting into slip ring housing 1 inside plug connector 6 is caused damage.Another kind of execution mode according to the utility model wind-powered electricity generation slip ring leakproof oil sealing device; The good ring flange of electrical insulation properties 7 is installed between slip ring housing 1 and the transmission main shaft 5; More preferably the outer rim of this ring flange 7 will be given prominence to the edge of transmission main shaft 5 a little, and ring flange 7 is provided with the position-limited edge that is complementary with transmission main shaft 5 contact sites.According to an embodiment of the utility model wind-powered electricity generation slip ring leakproof oil sealing device, slip ring housing 1 and transmission main shaft 5 can be to adopt screw to be connected, and screw is hammered into by slip ring housing 1, are fastened with transmission main shaft 5 after passing ring flange 7 again.
According to another embodiment of the utility model wind-powered electricity generation slip ring leakproof oil sealing device, slip ring housing 1 can also be to adopt to be threaded with transmission main shaft 5, and directly rotation is tightened and can be reached the fastening each other of slip ring housing 1 and transmission main shaft 5.Another embodiment according to the utility model wind-powered electricity generation slip ring leakproof oil sealing device; Slip ring housing 1 adopts with grease proofing joint 2 and is threaded; Can earlier grease proofing joint 2 be tightened on the slip ring housing 1 during installation, then ring flange 7 be fixed, and connect with the connected mode of screw or screw thread.In addition as a priority scheme of the utility model wind-powered electricity generation slip ring leakproof oil sealing device; Grease proofing joint 2 is preferably to adopt modified rubber to process; The oil resistant rubber of modification has good oil resistant, ageing-resistant, compression seal performance, and same first O-ring seals 10 and second O-ring seals 4 also can preferably adopt modified butadiene acrylonitrile rubber to process.
" embodiment " who is spoken of in this manual, " another embodiment ", " embodiment ", " preferred embodiment " etc. refer to the concrete characteristic, structure or the characteristics that combine this embodiment to describe and are included among at least one embodiment of the application's generality description.A plurality of local appearance statement of the same race is not necessarily to refer to same embodiment in specification.Further, when describing a concrete characteristic, structure or characteristics in conjunction with arbitrary embodiment, what institute will advocate is that other embodiment of combination realize that this characteristic, structure or characteristics also drop in the scope of the utility model.
Although the explanatory embodiment with reference to the utility model is described the utility model here; But; Should be appreciated that those skilled in the art can design a lot of other modification and execution modes, these are revised and execution mode will drop within disclosed principle scope of the application and the spirit.More particularly, in the scope of, accompanying drawing open and claim, can carry out multiple modification and improvement to the building block and/or the layout of subject combination layout in the application.Except modification that building block and/or layout are carried out with improve, to those skilled in the art, other purposes also will be tangible.
Claims (10)
1. wind-powered electricity generation slip ring leakproof oil sealing device; Comprise slip ring housing (1) and connector (6); It is characterized in that: described slip ring housing (1) is connected with the transmission main shaft (5) of wind-driven generator; Be provided with grease proofing joint (2) in the transmission main shaft (5), the cable that is connected with connector (6) passes grease proofing joint (2) and extends in the transmission main shaft (5).
2. wind-powered electricity generation slip ring leakproof oil sealing device according to claim 1 is characterized in that: described transmission main shaft (5) is hollow cylindrical, and grease proofing joint (2) is arranged on transmission main shaft (5) middle part hollow position.
3. wind-powered electricity generation slip ring leakproof oil sealing device according to claim 1 is characterized in that: be provided with sealing fuse (8) in the described grease proofing joint (2), the top is provided with lock nut (9).
4. wind-powered electricity generation slip ring leakproof oil sealing device according to claim 3; It is characterized in that: described sealing fuse (8) is that the elastic sealing element by porous constitutes, and the described cable that is connected with connector (6) is that the hole of passing on the sealing fuse (8) extends in the transmission main shaft (5).
5. any wind-powered electricity generation slip ring leakproof oil sealing device according to claim 1 is characterized in that: between described slip ring housing (1) and the transmission main shaft (5) ring flange (7) is installed.
6. wind-powered electricity generation slip ring leakproof oil sealing device according to claim 5 is characterized in that: described slip ring housing (1) is gone up and ring flange (7) joint is provided with at least one groove of draining the oil (3).
7. wind-powered electricity generation slip ring leakproof oil sealing device according to claim 5 is characterized in that: be provided with first O-ring seals (10) between described slip ring housing (1) and the transmission main shaft (5).
8. wind-powered electricity generation slip ring leakproof oil sealing device according to claim 1 is characterized in that: be provided with second O-ring seals (4) between described slip ring housing (1) and the grease proofing joint (2).
9. wind-powered electricity generation slip ring leakproof oil sealing device according to claim 1 is characterized in that: described slip ring housing (1) is to adopt to be threaded with grease proofing joint (2).
10. wind-powered electricity generation slip ring leakproof oil sealing device according to claim 1 is characterized in that: described slip ring housing (1) is the employing screw with transmission main shaft (5) or is threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201264592U CN202550797U (en) | 2012-03-29 | 2012-03-29 | Oil leakage-preventive sealing device of wind power slip ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201264592U CN202550797U (en) | 2012-03-29 | 2012-03-29 | Oil leakage-preventive sealing device of wind power slip ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202550797U true CN202550797U (en) | 2012-11-21 |
Family
ID=47171362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201264592U Withdrawn - After Issue CN202550797U (en) | 2012-03-29 | 2012-03-29 | Oil leakage-preventive sealing device of wind power slip ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202550797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664487A (en) * | 2012-03-29 | 2012-09-12 | 四川精通电气设备有限公司 | Wind-power slip ring oil leakage prevention sealing apparatus |
-
2012
- 2012-03-29 CN CN2012201264592U patent/CN202550797U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664487A (en) * | 2012-03-29 | 2012-09-12 | 四川精通电气设备有限公司 | Wind-power slip ring oil leakage prevention sealing apparatus |
| CN102664487B (en) * | 2012-03-29 | 2015-04-15 | 四川精通电气设备有限公司 | Wind-power slip ring oil leakage prevention sealing apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121121 Effective date of abandoning: 20150415 |
|
| RGAV | Abandon patent right to avoid regrant |