CN205226857U - Aerogenerator's main bearing seal structure and aerogenerator - Google Patents
Aerogenerator's main bearing seal structure and aerogenerator Download PDFInfo
- Publication number
- CN205226857U CN205226857U CN201521077576.4U CN201521077576U CN205226857U CN 205226857 U CN205226857 U CN 205226857U CN 201521077576 U CN201521077576 U CN 201521077576U CN 205226857 U CN205226857 U CN 205226857U
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- bearing
- ball
- cover
- main shaft
- seals structure
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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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- Sealing Of Bearings (AREA)
- Wind Motors (AREA)
Abstract
The utility model provides an aerogenerator's main bearing seal structure and aerogenerator, main bearing seal structure includes: bearing, dead axle, pivot, bearing end plate, grease collection device, be equipped with the accommodation space that one side has the mounting hole on the dead axle, bearing end plate's one end is passed through the mounting hole and is connected distolateral in the pivot, and grease collection device suit is on bearing end plate, and grease collection device's first end is connected on the dead axle, second end and bearing end plate's sealing connection. Utility model's aerogenerator's main bearing seal structure has simple structure, and low cost can collect the grease of revealing, prevents that the grease from revealing the advantage that causes environmental pollution in other places of unit.
Description
Technical field
The utility model relates to technical field of wind power generation, particularly a kind of main shaft seals structure of wind-driven generator and wind-driven generator.
Background technique
Wind power generating set is when unit operation, and the grease of Bearing inner can under pressure, outwards squeeze, and then leaks from sealing, causes the pollution of unit inside.
At present, the sealing means that in wind power generating set, main bearing adopts mainly adopts contact-type, as shown in Figure 1, by compressing tablet 9 oil sealing 8 is fixed between dead axle 2 and bearing (ball) cover 4 and main bearing is sealed, dust sealing is carried out by V circle 10 in the outside of compressing tablet 9, adopt oil sealing 8 to carry out the structure sealed, oil sealing 8 cost is high.Also the leakage of grease cannot be stopped completely.The outside V circle 10 that adopts carries out dust sealing, and V encloses after 10 sizes increase and radial direction usually need be adopted fixing, be fixed on bearing (ball) cover 4, and bearing (ball) cover 4 rotates with rotating shaft, therefore easily occurs that V encloses 4 obscissions.
Model utility content
The purpose of this utility model is to provide a kind of main shaft seals structure of wind-driven generator and comprises the wind-driven generator of this main shaft seals structure, in case the grease of stopping leak dew is leaked to other places of unit and causes environmental pollution.
For achieving the above object, the utility model provides a kind of main shaft seals structure of wind-driven generator, and it comprises bearing, dead axle, rotating shaft, bearing (ball) cover, grease collecting device; Described bearing housing is contained in described rotating shaft, and described dead axle has containing space, and described bearing is arranged in described containing space, and the side of described containing space has mounting hole; One end of described bearing (ball) cover is connected to the side of described rotating shaft by described mounting hole; Described grease collecting device is sleeved on described bearing (ball) cover, and the first end of described grease collecting device is connected on described dead axle, and the second end and described bearing (ball) cover are tightly connected.
More preferably, also comprise outside seal, described second end is tightly connected by described outside seal and described bearing (ball) cover.
More preferably, the inwall of described dead axle is provided with the second groove along its circumference, described main shaft seals structure also comprises inner seal liner, and described inner seal liner is arranged in described second groove at least partially, and is sleeved on described bearing (ball) cover.
More preferably, described inner seal liner is felt.
More preferably, described second end and described outside seal are ring, and described outside seal is connected by screw the side at described bearing (ball) cover, and outward edge is connected on described second end.
More preferably, described second end and described outside seal are ring; Described outside seal is sleeved on described bearing (ball) cover, and the end face of relatively described second end of described outside seal is provided with the annular groove matched with described second end, and the side of described second end is arranged in described annular groove.
More preferably, the material of described outside seal is rubber.
More preferably, described outside seal is fixed by screws on the outer wall of described bearing (ball) cover.
The utility model additionally provides a kind of wind-driven generator, comprises main shaft seals structure as above.
The main shaft seals structure of wind-driven generator of the present utility model, by adopting above-mentioned grease collecting device, not only with low cost, and the grease of leakage can be collected, environmental pollution is caused in other places preventing grease to be leaked to unit, and the first end of described grease collecting device is connected on dead axle and can ensures the soundness that grease collecting device is installed.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the main shaft seals structure of the wind-driven generator of prior art;
Fig. 2 is the schematic diagram of the main shaft seals structure of the wind-driven generator of the utility model first embodiment;
Fig. 3 is the schematic diagram of the main shaft seals structure of the wind-driven generator of the utility model second embodiment;
Wherein: 1-bearing; 2-dead axle; 21-containing space; 22-mounting hole; 3-rotating shaft; 4-bearing (ball) cover; 5-grease collecting device; 51-first groove; 52-first end; 53-second end; 6-inner seal liner; 7-outside seal; 71-annular groove; 8-oil sealing; 9-compressing tablet; 10-V encloses.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, be also described in further detail with reference to the main shaft seals structure of specific embodiment to wind-driven generator of the present utility model below in conjunction with accompanying drawing.Should be appreciated that embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The wind driven generator principal shaft that the utility model embodiment provides holds sealing configuration and comprises bearing 1, dead axle 2, rotating shaft 3, bearing (ball) cover 4, grease collecting device 5, bearing 1 is sleeved in rotating shaft 3, dead axle 2 has containing space 21, bearing 1 is arranged in containing space 21, and the side of containing space 21 has mounting hole 22; One end of bearing (ball) cover 4 is connected to the side of rotating shaft 3 by mounting hole 22; Grease collecting device 5 is sleeved on bearing (ball) cover 4, and the first end 52 of grease collecting device 5 is connected on dead axle 2, and the second end 53 is tightly connected with bearing (ball) cover 4.Main shaft seals structure concrete structure refers to following two embodiments.
Embodiment one
As shown in Figure 2, the main shaft seals structure of the wind-driven generator of the utility model embodiment comprises bearing 1, dead axle 2, rotating shaft 3, bearing (ball) cover 4, grease collecting device 5, inner seal liner 6 and outside seal 7.Bearing 1 is sleeved in rotating shaft 3, dead axle 2 has containing space 21, and bearing 1 is arranged in containing space 21, and the side of containing space 21 has mounting hole 22.The profile of bearing (ball) cover 4 is ring, and one end of bearing (ball) cover 4 is connected to the side of rotating shaft 3 with rigid bearing 1 by mounting hole 22, the other end stretches out outside mounting hole 22.
Inner seal liner 6 is annular solid, and is arranged between the inwall of dead axle 2 and the outer wall of bearing (ball) cover 4, with the gap between stuffing box bearing end cap 4 and the inwall of dead axle 2.Particularly, the inwall of dead axle 2 is circumferentially provided with the second groove (scheming not shown), inner seal liner 6 be positioned at the second groove at least partially, and inner seal liner 6 is sleeved on bearing (ball) cover 4.Wherein inner seal liner 6 can be felt, can reduce the fabricating cost of self of inner seal liner 6 like this.
Grease collecting device 5 is annular solid, and the circumference along its inwall is provided with the first groove 51, grease collecting device 5 is sleeved on the position of stretching out outside mounting hole 22 of bearing (ball) cover 4, just defines and hold oily space between such first groove 51 and the outer wall of bearing (ball) cover 4.
After the bearing oil in containing space 21 oozes out from inner seal liner 6, can be pooled in the appearance oil space formed between the first groove 51 and the outer wall of bearing (ball) cover 4, instead of be leaked to other places of unit, cause environmental pollution.
The both sides of grease collecting device 5 are respectively first end 52 and the second end 53, and are connected on dead axle 2 by first end 52.Particularly, first end 52 is connected on dead axle 2 by screw, is conducive to dismounting and the installation of grease collecting device 5 like this, is that the Residual oil cleaning work in the first groove 51 provides conveniently, the soundness that grease collecting device 5 is installed can also be ensured simultaneously, avoid it to occur coming off.Wherein, first end 52 can as shown in Figure 2, for sectional shape is the annulus of L-type, provide certain operating space can to like this fastening of screw.
Outside seal 7 is connected on bearing (ball) cover 4, and the second end 53 is by being tightly connected between outside seal 7 and bearing (ball) cover 4.The outside secondary seepage of grease in the appearance oil space formed between the first groove 51 and the outer wall of bearing (ball) cover 4 can be prevented like this, outside dust can also be stoped simultaneously to enter into containing space 21 by the oily space of appearance and inner seal liner 6 and affect the lubrication of bearing 1.
Particularly, second end 53 and outside seal 7 are ring, outside seal 7 is connected by screw the side of stretching out mounting hole 22 at bearing (ball) cover 4, and outward edge is connected on the second end 53, the sealing effect of outside seal 7 to the gap between the second end 53 and bearing (ball) cover 4 can not only be ensured like this, can also prevent outside seal 7 from occurring coming off.
Embodiment two
The difference of the main shaft seals structure that the main shaft seals structure of the wind-driven generator in the present embodiment and embodiment one provide only is the sealing configuration in the gap between outside seal 7 pairs of sealed ends 53 and bearing (ball) cover 4, the mode of structure at other positions is identical, does not repeat at this to the structure at other positions.
As shown in Figure 3, the second end 53 and outside seal 7 are ring; Outside seal 7 is sleeved on bearing (ball) cover 4, and the side that the end face of relative second end 53 of outside seal 7 is provided with annular groove 71, second end 53 matched with the second end 53 is arranged in annular groove 71.The material of outside seal 7 can be rubber, but is not limited to this, also can adopt the other materials such as polyurethane.Be interference fit between the side of the second end 53 and annular groove 71, to ensure the leakproofness coordinated therebetween.
Particularly, outside seal 7 is fixed by screws on the outer wall of bearing (ball) cover 4, can ensure the soundness of outside seal 7 like this, prevents it from coming off.
The utility model additionally provides a kind of wind-driven generator comprising the main shaft seals structure proposed in above embodiment.
In sum, the grease of leakage can be collected by the main shaft seals structure of the wind-driven generator that the utility model provides and the wind-driven generator comprising this main shaft seals structure, environmental pollution is caused in other places preventing grease to be leaked to unit, and structure is simple, with low cost.
Above embodiment only have expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the 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, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (9)
1. a main shaft seals structure for wind-driven generator, is characterized in that,
Comprise bearing (1), dead axle (2), rotating shaft (3), bearing (ball) cover (4), grease collecting device (5);
Described bearing (1) is sleeved in described rotating shaft (3), described dead axle (2) has containing space (21), described bearing (1) is arranged in described containing space (21), and the side of described containing space (21) has mounting hole (22);
One end of described bearing (ball) cover (4) is connected to the side of described rotating shaft (3) with fixing described bearing (1) by described mounting hole (22);
Described grease collecting device (5) is sleeved on described bearing (ball) cover (4), the first end (52) of described grease collecting device (5) is connected on described dead axle (2), and the second end (53) and described bearing (ball) cover (4) are tightly connected.
2. main shaft seals structure according to claim 1, it is characterized in that, also comprise outside seal (7), described second end (53) is tightly connected by described outside seal (7) and described bearing (ball) cover (4).
3. main shaft seals structure according to claim 1 and 2, it is characterized in that, the inwall of described dead axle (2) is circumferentially provided with the second groove, described main shaft seals structure also comprises inner seal liner (6), described inner seal liner (6) is arranged in described second groove at least partially, and is sleeved on described bearing (ball) cover (4).
4. main shaft seals structure according to claim 3, is characterized in that, described inner seal liner (6) is felt.
5. main shaft seals structure according to claim 2, it is characterized in that, described second end (53) and described outside seal (7) are ring, described outside seal (7) is connected by screw in the side of described bearing (ball) cover (4), and outward edge is connected on described second end (53).
6. main shaft seals structure according to claim 2, is characterized in that, described second end (53) and described outside seal (7) are ring;
Described outside seal (7) is sleeved on described bearing (ball) cover (4), the end face of relatively described second end of described outside seal (7) (53) is provided with the annular groove (71) matched with described second end (53), and the side of described second end (53) is arranged in described annular groove (71).
7. main shaft seals structure according to claim 6, is characterized in that, the material of described outside seal (7) is rubber.
8. main shaft seals structure according to claim 6, is characterized in that, described outside seal (7) is fixed by screws on the outer wall of described bearing (ball) cover (4).
9. a wind-driven generator, is characterized in that, comprises the main shaft seals structure described in claim 1 to 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521077576.4U CN205226857U (en) | 2015-12-21 | 2015-12-21 | Aerogenerator's main bearing seal structure and aerogenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521077576.4U CN205226857U (en) | 2015-12-21 | 2015-12-21 | Aerogenerator's main bearing seal structure and aerogenerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205226857U true CN205226857U (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521077576.4U Active CN205226857U (en) | 2015-12-21 | 2015-12-21 | Aerogenerator's main bearing seal structure and aerogenerator |
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| Country | Link |
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| CN (1) | CN205226857U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542011A (en) * | 2019-09-12 | 2019-12-06 | 江门市鑫辉特种密封科技有限公司 | Automatic grease pumping device for variable-pitch bearing |
-
2015
- 2015-12-21 CN CN201521077576.4U patent/CN205226857U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542011A (en) * | 2019-09-12 | 2019-12-06 | 江门市鑫辉特种密封科技有限公司 | Automatic grease pumping device for variable-pitch bearing |
| CN110542011B (en) * | 2019-09-12 | 2020-09-25 | 江门市鑫辉特种密封科技有限公司 | Automatic grease pumping device for variable-pitch bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 830026 No. 107, Shanghai Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region Patentee after: Jinfeng Technology Co.,Ltd. Address before: 830026 No. 107, Shanghai Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region Patentee before: XINJIANG GOLDWIND SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |