CN204512205U - A kind of wind-driven generator insulation bearing nested structure - Google Patents
A kind of wind-driven generator insulation bearing nested structure Download PDFInfo
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- CN204512205U CN204512205U CN201520209750.XU CN201520209750U CN204512205U CN 204512205 U CN204512205 U CN 204512205U CN 201520209750 U CN201520209750 U CN 201520209750U CN 204512205 U CN204512205 U CN 204512205U
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- hole
- bearing housing
- countersunk head
- boss
- wind
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Abstract
The utility model discloses a kind of wind-driven generator insulation bearing nested structure, solve existing insulating bush poor radiation, the technical problem of the undesirable bearing quick heating of insulation effect, the utility model comprises the bearing housing of an end band boss, described boss is evenly provided with multiple countersunk head through hole, the insulating bush of the annular step scalariform adapted with bearing housing size is arranged with outside bearing housing, the material of insulating bush is SMC composite material, the less one end of insulating bush radius is outside equipped with fixed cover, end cap is arranged with outside fixed cover, described end cap is provided with the threaded shoulder hole that position is corresponding with countersunk head lead to the hole site, described insulating bush is provided with the aperture that position is equal and corresponding with countersunk head through hole path, described countersunk head through hole, aperture and shoulder hole bigger diameter end are provided with insulating coating layer, described end cap and bearing housing are fixed by screw, the utility model structure is simple, insulation effect is good, the advantage of excellent in heat dissipation effect.
Description
Technical field
The utility model relates to technical field of wind power generation, relates to a kind of wind-driven generator insulation bearing nested structure more specifically.
Background technique
Wind-driven generator is the same with hydraulic machinery, substitutes manpower, animal power as power source, plays important function to the development of productivity.Modern age electromechanical power extensive use and twentieth century fifties
the Middle Eastthe discovery in oil field, makes
wind energy conversion systemslower development get off.
The initial stage seventies, due to "
oil crisis", occurred energy-intensive problem, people recognize routine
fossil energythe unstability of supply and finiteness, so seek to clean
renewable energy sourcesthen an important topic of Modern World is become.
wind energyas reproducible, free of contamination
natural energy resourcescause people again to pay attention to.
High-pressure blast power generator operationally, main shaft inevitably processes to be in asymmetric pulsating field and operates, when main shaft rotates, will with the alternating flux road institute interlinkage in this dissymmetrical magnetic field, electromotive force is induced in main shaft, and form loop short shaft current by main shaft, bearing, end cap, support, little electric arc is produced between bearing and axle journal, corrosion main shaft and bearing, and make bearing lubrication deterioration of oil and blackout, cause bearing running hot, and even burn out main shaft and bearing, affect unit safety, the conventional insulator bearing housing that current head it off uses.
but existing bearing housing adopts traditional twin shaft bearing sleeve tundish to prick mica tape, structure without latitude band, the insulating bearing carrier ring insulation of this structure adopts the mixed bag of mica tape without latitude band, insulation is realized again by the mode of leaching insulated paint or use veneer, there is the manufacture cycle longer or insecure defect of insulating property in this mode, greatly have impact on the usability of insulating bearing carrier ring.
Therefore design that a kind of structure is simple, the wind-driven generator insulation bearing nested structure of good heat dissipation effect, good insulating effect has realistic meaning very much.
Summary of the invention
The utility model overcomes above-mentioned technical deficiency, provides a kind of structure simply, in real time to weigh, convenient observe and environmental protection with wind-force wind-driven generator insulation bearing nested structure.
The utility model to achieve these goals concrete by the following technical solutions:
A kind of wind-driven generator insulation bearing nested structure, comprise the bearing housing of an end band boss, described boss is evenly provided with multiple countersunk head through hole, the insulating bush of the annular step scalariform adapted with bearing housing size is arranged with outside bearing housing, the material of insulating bush is SMC composite material, the less one end of insulating bush radius is outside equipped with fixed cover, end cap is arranged with outside fixed cover, described end cap is provided with the threaded shoulder hole that position is corresponding with boss countersunk head lead to the hole site, the large footpath of shoulder hole is equal with countersunk head through hole path and near boss side, described insulating bush is provided with the aperture that position is equal and corresponding with boss countersunk head through hole path, described countersunk head through hole, aperture and shoulder hole bigger diameter end are provided with insulating coating layer, described end cap and bearing housing are fixed by screw.
Further, insulating coating layer is annular step ladder-shaper structure, and the thickness of described insulating coating layer is equal with the difference of the large path of shoulder hole.
Further, the material of described insulating coating layer is epoxy glass fabric steel.
Further, described screw passes through the screw-thread fit of internal diameter compared with small end of insulating coating layer and shoulder hole from bearing housing boss one end.
Further, described screw is provided with insulation spacer.
Further, the material of described fixed cover is Q235A.
The beneficial effects of the utility model are as follows:
1, the utility model structure is simple, the insulating bush of the annular step scalariform adapted with bearing housing size is arranged with outside bearing housing, the outer surface of the complete coated bearing housing of insulating bush of this structure, insulating property are good, the material of insulating bush is SMC composite material simultaneously, insulating property are reliable, be convenient to production and processing, the arranging structure and simply can save insulating coating layer material while reaching insulation effect of threaded shoulder hole, and then cost-saving.
2, insulating coating layer selects epoxy glass fabric steel, has the performances such as insulation, thermal insulation, high strength, can play the effect of good Insulation anticorrosive.
3, the material of fixed cover is Q235A, and cost is low and processibility good, can ensure the quality of fit with end cap.
Accompanying drawing explanation
The structural representation of a kind of wind-driven generator insulation bearing of Fig. 1 the utility model nested structure;
Fig. 2 is the structural representation of bearing housing;
Fig. 3 is the structural representation of insulating bush;
Fig. 4 is the structural representation of fixed cover;
Fig. 5 is the structural representation of insulating coating layer;
Reference character: 1-bearing housing, 1-1-boss, 1-1.1-countersunk head through hole, 2-insulating bush, 2-1-aperture, 3-fixed cover, 4-end cap, 4-1-shoulder hole, 5-insulating coating layer, 6-insulation spacer, 7-screw.
Embodiment
In order to those skilled in the art person better understands the utility model, below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
Embodiment 1
The present embodiment provides a kind of wind-driven generator insulation bearing nested structure, comprise the bearing housing 1 of an end band boss 1-1, described boss 1-1 is evenly provided with multiple countersunk head through hole 1-1.1, the insulating bush 2 of the annular step scalariform adapted with bearing housing 1 size is arranged with outside bearing housing 1, the material of insulating bush 2 is SMC composite material, the less one end of insulating bush 2 radius is outside equipped with fixed cover 3, end cap 4 is arranged with outside fixed cover 3, described end cap 4 is provided with the threaded shoulder hole 4-1 that position is corresponding with boss 1-1 countersunk head through hole 1-1.1 position, the large footpath of shoulder hole 4-1 is equal with countersunk head through hole 1-1.1 path and near boss 1-1 side, described insulating bush 2 is provided with the aperture 2-1 that position is equal and corresponding with boss 1-1 countersunk head through hole 1-1.1 path, described countersunk head through hole 1-1.1, aperture 2-1 and shoulder hole 4-1 bigger diameter end are provided with insulating coating layer 5, described end cap 4 is fixed by screw 7 with bearing housing 1, insulating coating layer 5 is annular step ladder-shaper structure, the thickness of described insulating coating layer 5 is equal with the difference of the large path of shoulder hole 4-1, described screw 7 passes through the screw-thread fit of internal diameter compared with small end of insulating coating layer 5 and shoulder hole 4-1 from bearing housing 1 boss 1-1 one end.
In embodiment, the insulating bush 2 of the annular step scalariform adapted with bearing housing 1 size is arranged with outside bearing housing 1, the outer surface of the complete coated bearing housing 1 of insulating bush 2 of this structure, insulating property are good, the material of insulating bush is SMC composite material simultaneously, insulating property are reliable, be convenient to production and processing, and threaded shoulder hole 4-1 arranges structure and simply can save insulating coating layer material while reaching insulation effect, and then cost-saving.
Embodiment 2
The present embodiment provides a kind of wind-driven generator insulation bearing nested structure, comprise the bearing housing 1 of an end band boss 1-1, described boss 1-1 is evenly provided with multiple countersunk head through hole 1-1.1, the insulating bush 2 of the annular step scalariform adapted with bearing housing 1 size is arranged with outside bearing housing 1, the material of insulating bush 2 is SMC composite material, the less one end of insulating bush 2 radius is outside equipped with fixed cover 3, end cap 4 is arranged with outside fixed cover 3, described end cap 4 is provided with the threaded shoulder hole 4-1 that position is corresponding with boss 1-1 countersunk head through hole 1-1.1 position, the large footpath of shoulder hole 4-1 is equal with countersunk head through hole 1-1.1 path and near boss 1-1 side, described insulating bush 2 is provided with the aperture 2-1 that position is equal and corresponding with boss 1-1 countersunk head through hole 1-1.1 path, described countersunk head through hole 1-1.1, aperture 2-1 and shoulder hole 4-1 bigger diameter end are provided with insulating coating layer 5, described end cap 4 is fixed by screw 7 with bearing housing 1, insulating coating layer 5 is annular step ladder-shaper structure, the thickness of described insulating coating layer 5 is equal with the difference of the large path of shoulder hole 4-1, described screw 7 passes through the screw-thread fit of internal diameter compared with small end of insulating coating layer 5 and shoulder hole 4-1 from bearing housing 1 boss 1-1 one end.
The material of described insulating coating layer 5 is epoxy glass fabric steel,
Embodiment 3
The present embodiment provides a kind of wind-driven generator insulation bearing nested structure, comprise the bearing housing 1 of an end band boss 1-1, described boss 1-1 is evenly provided with multiple countersunk head through hole 1-1.1, the insulating bush 2 of the annular step scalariform adapted with bearing housing 1 size is arranged with outside bearing housing 1, the material of insulating bush 2 is SMC composite material, the less one end of insulating bush 2 radius is outside equipped with fixed cover 3, end cap 4 is arranged with outside fixed cover 3, described end cap 4 is provided with the threaded shoulder hole 4-1 that position is corresponding with boss 1-1 countersunk head through hole 1-1.1 position, the large footpath of shoulder hole 4-1 is equal with countersunk head through hole 1-1.1 path and near boss 1-1 side, described insulating bush 2 is provided with the aperture 2-1 that position is equal and corresponding with boss 1-1 countersunk head through hole 1-1.1 path, described countersunk head through hole 1-1.1, aperture 2-1 and shoulder hole 4-1 bigger diameter end are provided with insulating coating layer 5, described end cap 4 is fixed by screw 7 with bearing housing 1, insulating coating layer 5 is annular step ladder-shaper structure, the thickness of described insulating coating layer 5 is equal with the difference of the large path of shoulder hole 4-1, described screw 7 passes through the screw-thread fit of internal diameter compared with small end of insulating coating layer 5 and shoulder hole 4-1 from bearing housing 1 boss 1-1 one end.
Described screw 7 is provided with insulation spacer 6, and the setting of insulation spacer 6 further enhances the insulating property of bearing housing structure.
Embodiment 4
The present embodiment provides a kind of wind-driven generator insulation bearing nested structure, comprise the bearing housing 1 of an end band boss 1-1, described boss 1-1 is evenly provided with multiple countersunk head through hole 1-1.1, the insulating bush 2 of the annular step scalariform adapted with bearing housing 1 size is arranged with outside bearing housing 1, the material of insulating bush 2 is SMC composite material, the less one end of insulating bush 2 radius is outside equipped with fixed cover 3, end cap 4 is arranged with outside fixed cover 3, described end cap 4 is provided with the threaded shoulder hole 4-1 that position is corresponding with boss 1-1 countersunk head through hole 1-1.1 position, the large footpath of shoulder hole 4-1 is equal with countersunk head through hole 1-1.1 path and near boss 1-1 side, described insulating bush 2 is provided with the aperture 2-1 that position is equal and corresponding with boss 1-1 countersunk head through hole 1-1.1 path, described countersunk head through hole 1-1.1, aperture 2-1 and shoulder hole 4-1 bigger diameter end are provided with insulating coating layer 5, described end cap 4 is fixed by screw 7 with bearing housing 1, insulating coating layer 5 is annular step ladder-shaper structure, the thickness of described insulating coating layer 5 is equal with the difference of the large path of shoulder hole 4-1, described screw 7 passes through the screw-thread fit of internal diameter compared with small end of insulating coating layer 5 and shoulder hole 4-1 from bearing housing 1 boss 1-1 one end.
The material of described insulating coating layer 5 is epoxy glass fabric steel.Insulating property are good, and anticorrosion effect is good.
Described fixed cover 3 is for fixed insulation cover 2 at bearing housing 1, and fixed cover 3 material is Q235A.This material select cost low and processibility is good, can ensure the quality of fit with end cap.
The above; be only preferred embodiment of the present utility model; not in order to limit the utility model; scope of patent protection of the present utility model is as the criterion with claims; the equivalent structure change that every utilization specification of the present utility model and accompanying drawing content are done, in like manner all should be included in protection domain of the present utility model.
Claims (6)
1. a wind-driven generator insulation bearing nested structure, it is characterized in that, comprise the bearing housing (1) of an end band boss (1-1), described boss (1-1) is evenly provided with multiple countersunk head through hole (1-1.1), the insulating bush (2) of the annular step scalariform adapted with bearing housing (1) size is arranged with outside bearing housing (1), the material of insulating bush (2) is SMC composite material, the less one end of insulating bush (2) radius is outside equipped with fixed cover (3), end cap (4) is arranged with outside fixed cover (3), described end cap (4) is provided with the threaded shoulder hole (4-1) that position is corresponding with boss (1-1) countersunk head through hole (1-1.1) position, the large footpath of shoulder hole (4-1) is equal with countersunk head through hole (1-1.1) path and near boss (1-1) side, described insulating bush (2) is provided with the aperture (2-1) that position is equal and corresponding with boss (1-1) countersunk head through hole (1-1.1) path, described countersunk head through hole (1-1.1), aperture (2-1) and shoulder hole (4-1) bigger diameter end are provided with insulating coating layer (5), described end cap (4) is fixed by screw (7) with bearing housing (1).
2. wind-driven generator insulation bearing nested structure according to claim 1, is characterized in that, insulating coating layer (5) is annular step ladder-shaper structure, and the thickness of described insulating coating layer (5) is equal with the difference of the large path of shoulder hole (4-1).
3. wind-driven generator insulation bearing nested structure according to claim 2, is characterized in that, the material of described insulating coating layer (5) is epoxy glass fabric steel.
4. wind-driven generator insulation bearing nested structure according to claim 1, is characterized in that, described screw (7) passes through the screw-thread fit of internal diameter compared with small end of insulating coating layer (5) and shoulder hole (4-1) from bearing housing (1) boss (1-1) one end.
5. wind-driven generator insulation bearing nested structure according to claim 1, is characterized in that, described screw (7) is provided with insulation spacer (6).
6. wind-driven generator insulation bearing nested structure according to claim 1, is characterized in that, the material of described fixed cover (3) is Q235A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520209750.XU CN204512205U (en) | 2015-04-09 | 2015-04-09 | A kind of wind-driven generator insulation bearing nested structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520209750.XU CN204512205U (en) | 2015-04-09 | 2015-04-09 | A kind of wind-driven generator insulation bearing nested structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204512205U true CN204512205U (en) | 2015-07-29 |
Family
ID=53710186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520209750.XU Expired - Fee Related CN204512205U (en) | 2015-04-09 | 2015-04-09 | A kind of wind-driven generator insulation bearing nested structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204512205U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787371A (en) * | 2015-11-23 | 2017-05-31 | 湖南崇德工业科技有限公司 | Generator and insulating end cover for motor insulation system |
| CN108023431A (en) * | 2017-12-05 | 2018-05-11 | 广西恒达电机科技有限公司 | A kind of insulation bearing base device |
-
2015
- 2015-04-09 CN CN201520209750.XU patent/CN204512205U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787371A (en) * | 2015-11-23 | 2017-05-31 | 湖南崇德工业科技有限公司 | Generator and insulating end cover for motor insulation system |
| CN108023431A (en) * | 2017-12-05 | 2018-05-11 | 广西恒达电机科技有限公司 | A kind of insulation bearing base 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20180409 |