CN204851547U - Wind generating set's main bearing assembly - Google Patents
Wind generating set's main bearing assembly Download PDFInfo
- Publication number
- CN204851547U CN204851547U CN201520548476.9U CN201520548476U CN204851547U CN 204851547 U CN204851547 U CN 204851547U CN 201520548476 U CN201520548476 U CN 201520548476U CN 204851547 U CN204851547 U CN 204851547U
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- bearing
- flange
- interior axle
- generating set
- outer shaft
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- Y02E10/722—
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- Wind Motors (AREA)
Abstract
The utility model relates to a transmission system structure for the wind generating set, concretely relates to wind generating set's main bearing assembly. This wind generating set's main bearing assembly, including outer axle, interior axle, fore bearing and rear bearing, be equipped with interior axle outward in the axle, be equipped with the fore bearing between axle one end and interior one end outward, be equipped with the rear bearing between other one end of outer axle and the other one end of interior axle, interior axle one end is equipped with flange no. 1, and one end is equipped with flange no. 2 in addition, is equipped with flange on the outer axial wall. The beneficial effects are that: simple structure, light in weight, with low costs, the utility model discloses a range of application is wide, can be used in also can be used in on the unit of drive line in the cabin on generator straightening between cabin and impeller drive the unit.
Description
Technical field
The utility model relates to a kind of wind power generating set drive system structure, is specifically related to a kind of main bearing assembly of wind power generating set.
Background technique
The most frequently used main bearing of wind power generating set is spheric roller bearing, and this bearing is the non-disconnectable analysis bearing of Internal and external cycle, and can only use a bearing support by each bearing, its bearing block structure is as shown in CN203730577.There is axial internal clearance in spheric roller bearing, can not good axially locating, and thus many wind power generating set MANUFACTURER propose some new schemes.CN103518062 and CN204419878 uses two single-row tapered roller bearings as main bearing, and in order to ensure the coaxality of bearing saddle bore, the bearing support of two bearings is all designed to one, and adopts the mode of 4 place's lower margins to be arranged on base.The bearing support of above-mentioned this 4 place's lower margin formulas, in structural design and base be discontinuous, it is reliable for causing needing in joint a lot of material guarantees to connect, and the overall cost of bearing support and base is higher.CN101173652 propose in a kind of structure with base continuous print bearing support scheme, the flange that bearing support have employed inclination is connected with base, and the gross weight of such bearing support and base can be reduced.But the shortcoming of this bearing support is, the junction surface of inclination can increase some machining costs.In addition, above-mentioned all schemes all can not be used for generator directly drive unit between cabin and impeller.
Model utility content
The utility model is laid particular stress on to overcome technique scheme bearing support weight, high expensive and the narrower shortcoming of application area, the invention provides a kind of main bearing assembly of wind power generating set.
The utility model is achieved by the following technical solution:
A kind of main bearing assembly of wind power generating set, comprise outer shaft, interior axle, fore bearing and rear bearing, interior axle is provided with in described outer shaft, fore bearing is provided with between outer shaft one end and interior axle one end, rear bearing is provided with between the other one end of outer shaft and the other one end of interior axle, described interior axle one end is provided with flange one, and one end is provided with flange two in addition, and outer peripheral wall is provided with adpting flange.
Further, one end that described outer shaft is provided with rear bearing between outer shaft and interior axle is provided with adpting flange.
Further, one end that described interior axle is provided with rear bearing between outer shaft and interior axle is provided with flange one, and one end is provided with flange two in addition.
Further, one end that described interior axle is provided with fore bearing between outer shaft and interior axle is provided with flange one, and one end is provided with flange two in addition.
Further, the external diameter of described flange one is greater than the external diameter of flange two.
Further, described fore bearing and rear bearing are back-to-back single-row tapered roller bearing or roller bearing or double-row conical bearing.
The beneficial effects of the utility model are: the main bearing modular construction of a kind of wind power generating set of the utility model is simple, lightweight, cost is low, application area of the present invention is wide, can be used on the unit of power train in cabin also can be used in generator and directly drive on unit between cabin and impeller.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is the structural representation of the utility model embodiment 1;
Accompanying drawing 3 is the structural representation of the utility model embodiment 2.
In figure, 1 outer shaft, 1.1 adpting flanges, axle in 2,2.1 flange one, 2.2 flange two, 3 fore bearings, 4 rear bearings, 5 wheel hubs, 6 directly drive generator amature, and 7 directly drive generator unit stator, 8 bases.
Embodiment
Below in conjunction with embodiment, the utility model is further described.
Embodiment 1
Accompanying drawing 1,2 is a kind of embodiment of the present utility model.The main bearing assembly of a kind of wind power generating set of this model utility, comprise outer shaft, interior axle, fore bearing and rear bearing, interior axle is provided with in described outer shaft, fore bearing is provided with between outer shaft one end and interior axle one end, rear bearing is provided with between the other one end of outer shaft and the other one end of interior axle, described interior axle one end is provided with flange one, and one end is provided with flange two in addition, and outer peripheral wall is provided with adpting flange.
Further, one end that described outer shaft is provided with rear bearing between outer shaft and interior axle is provided with adpting flange.
Further, one end that described interior axle is provided with rear bearing between outer shaft and interior axle is provided with flange one, and one end is provided with flange two in addition.
Further, the external diameter of described flange one is greater than the external diameter of flange two.
Further, described fore bearing and rear bearing are back-to-back single-row tapered roller bearing or roller bearing or double-row conical bearing.
The main bearing assembly of a kind of wind power generating set of this model utility is as generator directly driving when set main shaft bearing assembly uses see shown in accompanying drawing 2 between cabin and impeller, adpting flange on outer shaft and wheel hub and directly drive generator amature and connect together, the flange one of interior axle and base and directly drive generator unit stator and connect together, have a bearing in wheel hub inside in fore bearing and rear bearing.
Embodiment 2
Accompanying drawing 3 is a kind of embodiment of the present utility model, the main bearing assembly of a kind of wind power generating set of this model utility, comprise outer shaft, interior axle, fore bearing and rear bearing, interior axle is provided with in described outer shaft, be provided with fore bearing between outer shaft one end and interior axle one end, be provided with rear bearing between the other one end of outer shaft and the other one end of interior axle, described interior axle one end is provided with flange one, one end is provided with flange two in addition, and outer peripheral wall is provided with adpting flange.
Further, one end that described outer shaft is provided with rear bearing between outer shaft and interior axle is provided with adpting flange.
Further, one end that described interior axle is provided with fore bearing between outer shaft and interior axle is provided with flange one, and one end is provided with flange two in addition.
Further, the external diameter of described flange one is greater than the external diameter of flange two.
Further, described fore bearing and rear bearing are back-to-back single-row tapered roller bearing or roller bearing or double-row conical bearing.
When the main bearing assembly of a kind of wind power generating set of this model utility uses as the main bearing assembly of the unit of power train in cabin, shown in accompanying drawing 3, the adpting flange of outer shaft is connected with base, the flange one of interior axle is connected with wheel hub, have a bearing at chassis interior in fore bearing and rear bearing, the flange two of interior shaft end is for passing to the power train part in cabin by moment of torsion.
The utility model is not limited to above-mentioned mode of execution, anyone should learn make under enlightenment of the present utility model with the utility model, there is identical or close technological scheme, all fall within protection domain of the present utility model.
Technology, shape, structure part that the utility model is not described in detail are known technology.
Claims (6)
1. the main bearing assembly of a wind power generating set, it is characterized in that, comprise outer shaft, interior axle, fore bearing and rear bearing, interior axle is provided with in described outer shaft, be provided with fore bearing between outer shaft one end and interior axle one end, be provided with rear bearing between the other one end of outer shaft and the other one end of interior axle, described interior axle one end is provided with flange one, one end is provided with flange two in addition, and outer peripheral wall is provided with adpting flange.
2. the main bearing assembly of a kind of wind power generating set according to claim 1, is characterized in that: one end that described outer shaft is provided with rear bearing between outer shaft and interior axle is provided with adpting flange.
3. the main bearing assembly of a kind of wind power generating set according to claim 1, is characterized in that: one end that described interior axle is provided with rear bearing between outer shaft and interior axle is provided with flange one, and one end is provided with flange two in addition.
4. the main bearing assembly of a kind of wind power generating set according to claim 1, is characterized in that: one end that described interior axle is provided with fore bearing between outer shaft and interior axle is provided with flange one, and one end is provided with flange two in addition.
5. the main bearing assembly of a kind of wind power generating set according to claim 1, is characterized in that: the external diameter of described flange one is greater than the external diameter of flange two.
6. the main bearing assembly of a kind of wind power generating set according to claim 1, is characterized in that: described fore bearing and rear bearing are back-to-back single-row tapered roller bearing or roller bearing or double-row conical bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520548476.9U CN204851547U (en) | 2015-07-27 | 2015-07-27 | Wind generating set's main bearing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520548476.9U CN204851547U (en) | 2015-07-27 | 2015-07-27 | Wind generating set's main bearing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204851547U true CN204851547U (en) | 2015-12-09 |
Family
ID=54742101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520548476.9U Active CN204851547U (en) | 2015-07-27 | 2015-07-27 | Wind generating set's main bearing assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204851547U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989601A (en) * | 2015-07-27 | 2015-10-21 | 北京三力新能科技有限公司 | Main bearing assembly of wind generating set |
| CN106969051A (en) * | 2017-05-23 | 2017-07-21 | 北京三力新能科技有限公司 | A kind of bearing block of wind power generating set |
-
2015
- 2015-07-27 CN CN201520548476.9U patent/CN204851547U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989601A (en) * | 2015-07-27 | 2015-10-21 | 北京三力新能科技有限公司 | Main bearing assembly of wind generating set |
| CN106969051A (en) * | 2017-05-23 | 2017-07-21 | 北京三力新能科技有限公司 | A kind of bearing block of wind power generating set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |