CN202326025U - Increasing gear for wind generating set and wind generating set - Google Patents
Increasing gear for wind generating set and wind generating set Download PDFInfo
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- CN202326025U CN202326025U CN2011204734773U CN201120473477U CN202326025U CN 202326025 U CN202326025 U CN 202326025U CN 2011204734773 U CN2011204734773 U CN 2011204734773U CN 201120473477 U CN201120473477 U CN 201120473477U CN 202326025 U CN202326025 U CN 202326025U
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- generating set
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- shaft
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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 provides an increasing gear for a wind generating set and the wind generating set. The increasing gear comprises a parallel shaft gear transmission mechanism and a planetary gear transmission mechanism, which are in transmission connection with each other. A driving power output shaft of the parallel shaft gear transmission mechanism is fixedly connected with a driven power input shaft of the planetary gear transmission mechanism. According to the scheme, a driving power input shaft of the parallel shaft gear transmission mechanism is connected with an impeller shaft of the wind generating set, and bears a load transmitted by the impeller shaft; and for the increasing gear for the wind generating set, the bearing capacity of the increasing gear is determined by a part connected with the impeller shaft. According to the increasing gear for the wind generating set, the parallel shaft gear transmission mechanism is connected with the impeller shaft, and the bearing capacity of the parallel shaft gear transmission mechanism is higher than that of the planetary gear transmission mechanism, so that the bearing capacity of the increasing gear is improved, and the requirements of large-size and high-power development of the wind generating set are met.
Description
Technical field
The utility model relates to the wind power plant structure technology, relates in particular to a kind of speeder and wind power generating set of wind power generating set.
Background technique
Wind energy more and more receives people's attention as a kind of renewable energy sources of cleanliness without any pollution to its utilization.Wherein, be that electric energy is a kind of important form of Wind Power Utilization with wind energy transformation.Wind power generating set is to be the power generating equipment of electric energy with wind energy transformation.
The sea is that wind energy is contained comparatively abundant place, because marine particularity of working conditions, the increasing trend of offshore wind generating group single-machine capacity is very obvious.
In wind power generating set, between impeller and generator, be provided with gear speed increaser, be increased to the required rotating speed of generator for electricity generation in order to rotating speed with the impeller input.Present gear speed increaser is generally the speedup box of two-stage planet one-level parallel axes form or the speedup box of one-level planet two-stage parallel axis form.The speedup box of above-mentioned two kinds of forms all is to adopt planetary gear mechanism preceding; The parallel-axes gears driving mechanism after; Promptly; The power input shaft of planetary gear mechanism is connected with impeller shaft, pto is connected with the power input shaft of parallel-axes gears driving mechanism, and the pto of parallel-axes gears driving mechanism is used for being connected with generator shaft.Gear speed increaser adopts above-mentioned form; Increase along with the generator set single-machine capacity; The growth of impeller blade, then also thereupon rapid increase of the required load of bearing of gear speed increaser, still; Receive the restriction of gear ring working ability, the speedup box of said structure form has limited wind power generating set to be developed to maximization, high-power direction.
The model utility content
The utility model provides a kind of speeder and wind power generating set of wind power generating set, in order to solve existing speedup box restriction wind power generating set to the problem that maximizes, high-power direction develops.
The speeder of the wind power generating set that the utility model provides; Comprise the parallel-axes gears driving mechanism and the planetary gear mechanism that are in transmission connection each other, the active force output shaft of said parallel-axes gears driving mechanism and being fixedly connected of said planetary gear mechanism from power input shaft.
The speeder of aforesaid wind power generating set; Wherein, Said parallel-axes gears driving mechanism comprises active force input shaft and the said active force output shaft that laterally arranges; Be fixedly connected with driving gear on the said active force input shaft, be fixedly connected with the driven gear that meshes with said driving gear on the said active force output shaft, the pitch diameter of said driving gear is greater than the pitch diameter of said driven gear.
The speeder of aforesaid wind power generating set; Wherein, Said planetary gear mechanism comprise gear ring and with the coaxial setting of said gear ring from power input shaft and sun gear, said end fixed connection planetary carrier from power input shaft, planet wheel is rotationally connected on the said planetary carrier; Said planet wheel and said gear ring and the engagement of said sun gear, the pitch diameter of said planet wheel is greater than the pitch diameter of said sun gear.
The speeder of aforesaid wind power generating set; Wherein, Also comprise second level planetary gear mechanism; Said second level planetary gear mechanism comprise second level gear ring and with the second level of the coaxial setting of said second level gear ring from power input shaft and second level sun gear, the said second level is from the end fixed connection second level planetary carrier of power input shaft, second level planet wheel is rotationally connected on the planetary carrier of the said second level; Said second level planet wheel and said second level gear ring and the engagement of said second level sun gear; The pitch diameter of said second level planet wheel is greater than the pitch diameter of said second level sun gear, and the said second level is from power input shaft and the coaxial setting of said sun gear, and only revolves with said sun gear and to cooperate.
The utility model also provides a kind of wind power generating set; Comprise impeller, the impeller shaft that is fixedly connected with impeller and generator; The speeder that also has the wind power generating set that the utility model embodiment provided; Wherein, the active force input shaft of the parallel-axes gears driving mechanism in the speeder of wind power generating set be connected with said impeller shaft, being connected with the rotatingshaft of said generator of planetary gear mechanism from pto.
The speeder of the wind power generating set that the utility model provides and wind power generating set; The active force input shaft of its parallel-axes gears driving mechanism is used for being connected with the impeller shaft of wind power generating set, and bears the load that impeller shaft transmits, because; The bearing capacity of parallel-axes gears driving mechanism is stronger and difficulty of processing is little; Therefore, the rotation that impeller shaft transmits at first improves rotating speed, reduces moment of torsion, after the load bearing requirements that satisfies planetary gear mechanism through the parallel-axes gears driving mechanism; Continue speedup through planetary gear mechanism again, and make the rotating speed of output satisfy the generating requirement of high-speed engine.Speeder for wind power generating set; Its bearing capacity is by the part decision that links to each other with impeller shaft; Be that the parallel-axes gears driving mechanism links to each other with impeller shaft in the utility model, because the bearing capacity of parallel-axes gears driving mechanism is better than the carrying of planetary gear mechanism, therefore; Improved the bearing capacity of speeder, satisfied wind power generating set to the requirement of maximizing, high-power direction develops.
Description of drawings
Fig. 1 is the speeder embodiment's of the utility model wind power generating set a schematic diagram.
Embodiment
Fig. 1 is the speeder embodiment's of the utility model wind power generating set a schematic diagram; As shown in Figure 1; The embodiment of the speeder of the utility model wind power generating set; Comprise the parallel-axes gears driving mechanism 1 and planetary gear mechanism 2 that are in transmission connection each other, the active force output shaft 4 of parallel-axes gears driving mechanism 1 is fixedly connected from power input shaft 11 with planetary gear mechanism 2.
Adopt said structure; The active force input shaft of its parallel-axes gears driving mechanism is used for being connected with the impeller shaft of wind power generating set, and bears the load that impeller shaft transmits, because; The bearing capacity of parallel-axes gears driving mechanism is stronger and difficulty of processing is little; Therefore, the rotation that impeller shaft transmits at first improves rotating speed, reduces moment of torsion, after the load bearing requirements that satisfies planetary gear mechanism through the parallel-axes gears driving mechanism; Continue speedup through planetary gear mechanism again, and make the rotating speed of output satisfy the generating requirement of high-speed engine.Speeder for wind power generating set; Its bearing capacity is by the part decision that links to each other with impeller shaft; Be that the parallel-axes gears driving mechanism links to each other with impeller shaft in this programme, because the bearing capacity of parallel-axes gears driving mechanism is better than the carrying of planetary gear mechanism, therefore; Improved the bearing capacity of speeder, satisfied wind power generating set to the requirement of maximizing, high-power direction develops.
Based on the foregoing description; Particularly, the speeder of this wind power generating set comprises a parallel-axes gears case 7 and two epicyclic gearboxes 8 that are fixedly connected on one, wherein; The number of epicyclic gearbox 8 is not limited only to two, also can be provided with a plurality of according to actual needs.In parallel-axes gears case 7, be rotatablely equipped with an active force input shaft 6 and two active force output shafts 4; And active force input shaft 6 is parallel to each other with the axis of active force output shaft 4; What parallel-axes gears case 7 adopted here is one-level gear up mechanism; Certainly, adopt the multi-stage gear speed increasing mechanism to belong to equally within the protection domain of the utility model.On active force input shaft 6, be installed with a driving gear 5 through flat key or interference ways of connecting; On active force output shaft 4, be fixedly connected with the driven gear 3 that meshes with driving gear 5 through flat key or interference ways of connecting; And the pitch diameter of driving gear 5 is greater than the pitch diameter of driven gear 3; Fall the effect of turning round with the realization speedup, certainly, active force output shaft 4 also can become gear shaft by integral production with driven gear 3.
In epicyclic gearbox 8, be provided with planetary gear mechanism 2; Planetary gear mechanism 2 comprise the gear ring that is fixedly connected with epicyclic gearbox 8 10 and with gear ring 10 coaxial settings from power input shaft 11 and sun gear 13, be rotationally connected with epicyclic gearbox 8 respectively from power input shaft 11 and sun gear 13.Be fixedly connected planetary carrier 9 from an end of power input shaft 11; Planet wheel 12 is rotationally connected on planetary carrier 9; Planet wheel 12 and gear ring 10 and sun gear 13 engagements, and the pitch diameter of planet wheel 12 is greater than the pitch diameter of sun gear 13, falls with further speedup and turns round.Wherein, from power input shaft 11 and active force output shaft 4 coaxial fixed connections, certainly, also can be wholely set from power input shaft 11 and active force output shaft 4.
In addition; Also comprise second level planetary gear mechanism; Second level planetary gear mechanism comprise the second level gear ring that is fixedly connected with epicyclic gearbox 8 14 and with the second level of second level gear ring 14 coaxial settings from power input shaft 15 and second level sun gear 16, the second level is rotationally connected with epicyclic gearbox 8 respectively from power input shaft 15 and second level sun gear 16.The second level is fixedly connected second level planetary carrier 17 from an end of power input shaft 15; Second level planet wheel 18 is rotationally connected on the second level planetary carrier 17; Second level planet wheel 18 and second level gear ring 14 and 16 engagements of second level sun gear, and the pitch diameter of second level planet wheel 18 is greater than the pitch diameter of second level sun gear 16; The second level is from power input shaft 15 and above-mentioned sun gear 13 coaxial settings, and only revolves through forms such as spline, crowned teeths with above-mentioned sun gear 13 and to cooperate.It is to be noted; Said structure is to be provided with the two-stage planet driving mechanism; Certainly also the multi-stage planetary gear driving mechanism can be set as required; Wherein, this multi-stage planetary gear driving mechanism is in sequential series, and the series connection that refers to here is that the second level of the planetary gear mechanism of previous stage is connected from coaxial only the revolving of power input shaft from the second level of pto with back primary planet pinion driving mechanism.Wherein, the structural type of the planetary gear mechanism of each grade all can be identical with second level planetary gear mechanism, and in addition, their velocity ratio can be the same or different, and concrete velocity ratio can be confirmed according to actual needs.
In addition, the tooth of above-mentioned gear ring 10, driving gear 5, driven gear 3, sun gear 13, planet wheel 12, second level sun gear 16 and second level planet wheel 18 is any in straight-tooth, helical teeth, herringbone tooth and the curved tooth.
Based on the foregoing description; The utility model also provides a kind of wind power generating set; Comprise impeller, the impeller shaft that is fixedly connected with impeller and generator; The speeder that also has the wind power generating set of the foregoing description, the concrete structure of the speeder of this wind power generating set repeats no more referring to the foregoing description here.Wherein, the active force input shaft of the parallel-axes gears driving mechanism in the speeder of wind power generating set be connected with said impeller shaft, being connected with the rotatingshaft of said generator of planetary gear mechanism from pto.
What should explain at last is: above embodiment is only in order to the technological scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to previous embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technological scheme that aforementioned each embodiment put down in writing, and perhaps part technical characteristics wherein is equal to replacement; And these are revised or replacement, do not make the scope of each embodiment's technological scheme of essence disengaging the utility model of relevant art scheme.
Claims (5)
1. the speeder of a wind power generating set; Comprise the parallel-axes gears driving mechanism and the planetary gear mechanism that are in transmission connection each other; It is characterized in that the active force output shaft of said parallel-axes gears driving mechanism and being fixedly connected of said planetary gear mechanism from power input shaft.
2. the speeder of wind power generating set according to claim 1; It is characterized in that; Said parallel-axes gears driving mechanism comprises active force input shaft and the said active force output shaft that laterally arranges; Be fixedly connected with driving gear on the said active force input shaft, be fixedly connected with the driven gear that meshes with said driving gear on the said active force output shaft, the pitch diameter of said driving gear is greater than the pitch diameter of said driven gear.
3. the speeder of wind power generating set according to claim 1 and 2; It is characterized in that; Said planetary gear mechanism comprise gear ring and with the coaxial setting of said gear ring from power input shaft and sun gear, said end fixed connection planetary carrier from power input shaft, planet wheel is rotationally connected on the said planetary carrier; Said planet wheel and said gear ring and the engagement of said sun gear, the pitch diameter of said planet wheel is greater than the pitch diameter of said sun gear.
4. the speeder of wind power generating set according to claim 3; It is characterized in that; Also comprise second level planetary gear mechanism; Said second level planetary gear mechanism comprise second level gear ring and with the second level of the coaxial setting of said second level gear ring from power input shaft and second level sun gear, the said second level is from the end fixed connection second level planetary carrier of power input shaft, second level planet wheel is rotationally connected on the planetary carrier of the said second level; Said second level planet wheel and said second level gear ring and the engagement of said second level sun gear; The pitch diameter of said second level planet wheel is greater than the pitch diameter of said second level sun gear, and the said second level is from power input shaft and the coaxial setting of said sun gear, and only revolves with said sun gear and to cooperate.
5. wind power generating set; Comprise impeller, the impeller shaft that is fixedly connected with impeller and generator; It is characterized in that; The speeder that also has the arbitrary described wind power generating set of claim 1-4, the active force input shaft of the parallel-axes gears driving mechanism in the speeder of said wind power generating set is connected with said impeller shaft, being connected with the rotatingshaft of said generator from pto of planetary gear mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204734773U CN202326025U (en) | 2011-11-24 | 2011-11-24 | Increasing gear for wind generating set and wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204734773U CN202326025U (en) | 2011-11-24 | 2011-11-24 | Increasing gear for wind generating set and wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202326025U true CN202326025U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204734773U Expired - Lifetime CN202326025U (en) | 2011-11-24 | 2011-11-24 | Increasing gear for wind generating set and wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202326025U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133265A (en) * | 2011-11-24 | 2013-06-05 | 华锐风电科技(集团)股份有限公司 | Wind generating set speeder and wind generating set |
| CN112943539A (en) * | 2021-02-05 | 2021-06-11 | 河南恒聚新能源设备有限公司 | High-power vertical axis turbine wind power generation power configuration device |
-
2011
- 2011-11-24 CN CN2011204734773U patent/CN202326025U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133265A (en) * | 2011-11-24 | 2013-06-05 | 华锐风电科技(集团)股份有限公司 | Wind generating set speeder and wind generating set |
| CN112943539A (en) * | 2021-02-05 | 2021-06-11 | 河南恒聚新能源设备有限公司 | High-power vertical axis turbine wind power generation power configuration device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |