CN204284319U - Wind-driven generator and gear-box - Google Patents
Wind-driven generator and gear-box Download PDFInfo
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- CN204284319U CN204284319U CN201420720246.1U CN201420720246U CN204284319U CN 204284319 U CN204284319 U CN 204284319U CN 201420720246 U CN201420720246 U CN 201420720246U CN 204284319 U CN204284319 U CN 204284319U
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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 discloses a kind of wind-driven generator and gear-box, wherein, this gear-box comprises: input shaft, be configured with the first order planetary transmission system of first order ring gear, be configured with the second level planetary transmission system of second level ring gear and second level planet carrier; Input shaft is provided with the first transmission line and the second transmission line; In first transmission line, input shaft is connected with first order ring gear, is connected with second level ring gear through first order planetary transmission system; In second transmission line, input shaft is connected with second level planetary transmission system by second level planet carrier; First order planetary transmission system is connected with second level planetary transmission system through second level ring gear, and the transmission power of input shaft exports to second level planetary transmission system through the first transmission line and the second drive line interflow.Therefore, implement the gear box structure that the utility model proposes, the performance of gear-box can be promoted.
Description
Technical field
The utility model relates to wind-driven generator field, particularly a kind of wind-driven generator and gear-box.
Background technique
In recent years, the shortage of the energy has impelled developing rapidly of wind-driven generator, and the unit generated output of blower fan is also more and more higher, has developed into the high-power wind-driven generator of 3MW to 6MW.But due to the increase of unit generated output, make the boundary dimension of gear case of blower very large, the boundary dimension in cabin and weight is corresponding increase also, and this is not easy to produce, transport and install.
At present, there are two following class designs in gear case of blower:
1) adopt the transmission of NGW type primary planet, two-stage parallel axis or NGW type two-stage Gear Planet Transmission and the one-level driving of parallel axes, but this mode does not reduce the boundary dimension of gear-box.
2) adopt differential planet gear case, the size of gear-box can be reduced, reduce the weight of specific power.With reference to Fig. 1, show the principle of this differential planet gear case: this differential planet gear case comprises: input shaft 10, first order sun gear 21, second level sun gear 22, first order planet wheel 31, second level planet wheel 32, first order planet carrier 41, second level planet carrier 42, first order ring gear 51, second level ring gear 52 and output terminal 60.Wherein, the wheel at the planet carrier place of rotation is first order train, and the wheel at fixing planet carrier place is second level train.Second level ring gear 52 strides across first order planet wheel 31 and is connected with first order planet carrier 41, and first order planet carrier 41 is connected with input shaft 10 again, thus output terminal 60 realizes differential gear train output.
But because second level ring gear 52 cantilever is oversize, the intensity of ring gear, by very large impact, is weak link, and second level sun gear 22 is direct-connected with first order ring gear 51, when floating because weight is large, sun gear and ring gear affect each other, effect is bad.In addition, because second level ring gear 52 strides across first order ring gear 51, the reduction of maximum radial dimension is subject to a definite limitation.
In correlation technique:
10 input shafts
21 first order sun gears
22 second level sun gears
31 first order planet wheels
32 second level planet wheels
41 first order planet carriers
42 second level planet carriers
51 first order ring gears
52 second level ring gears
60 output terminals
In the utility model embodiment:
1 input shaft
2 spline housings
3 tapered roller bearings
4 roller bearings
5 second fan-shaped plate washers
6 tooth profile sleeves
7 second level ring gears
8 axial plate washers
9 second level planet wheels
10 second level sun gears
11 gearwheels
12 output shafts
13 second level planet carriers
14 first order planet carriers
15 first order planet wheels
16 first order sun gears
17 first order ring gears
18 first fan-shaped plate washers
19 casings
Model utility content
In view of this, the object that the utility model is implemented is to propose a kind of wind-driven generator and gear-box, can reduce boundary dimension and the weight of gear-box, and improve the performance of gear-box.
Further, this gear-box comprises: input shaft, be configured with the first order planetary transmission system of first order ring gear, be configured with the second level planetary transmission system of second level ring gear and second level planet carrier; Input shaft is provided with the first transmission line and the second transmission line; In first transmission line, input shaft is connected with first order ring gear, is connected with second level ring gear through first order planetary transmission system; In second transmission line, input shaft is connected with second level planetary transmission system by second level planet carrier; First order planetary transmission system is connected with second level planetary transmission system through second level ring gear, and the transmission power of input shaft exports to second level planetary transmission system through the first transmission line and the second transmission line interflow.
Alternatively, in certain embodiments, the first transmission line comprises: the external tooth of input shaft is connected with first order ring gear, and is connected with first order sun gear by first order planet wheel; First order sun gear is connected with tooth profile sleeve, and the external tooth of tooth profile sleeve is connected with second level ring gear.
Alternatively, in certain embodiments, the radial direction of first order ring gear adopts floating structure, axially by the first fan-shaped plate washer location; First fan-shaped plate washer is inserted in the external tooth form groove of input shaft, is fixedly connected on first order ring gear.
Alternatively, in certain embodiments, first order sun gear is floating member; First order sun gear is connected with tooth profile sleeve by spline; Tooth profile sleeve is by the tapered roller bearing of pairing and roller bearing axially locating and support.
Alternatively, in certain embodiments, the radial direction of second level ring gear adopts floating structure, axially by the second fan-shaped plate washer location; Second fan-shaped plate washer inserts in the external tooth form groove of tooth profile sleeve, is fixedly connected on second level ring gear.
Alternatively, in certain embodiments, the second transmission line comprises: input shaft is connected with second level planet carrier by spline housing, and second level planet carrier is connected with the second level planet wheel of second level planetary transmission system.
Alternatively, in certain embodiments, spline housing is by axial plate washer axially locating; Axial plate washer is by the circlip for shaft be arranged on spline housing and the circlip for hole location be arranged on the planet carrier of the second level.
Alternatively, in certain embodiments, second level planetary transmission system comprises: second level planet wheel, is connected with second level ring gear, second level planet carrier; Second level sun gear, is connected with second level planet wheel; Wherein, the transmission power of input shaft, after first order ring gear and the shunting of second level planet carrier, is collaborated to second level planet wheel, is exported through second level sun gear.
Alternatively, in certain embodiments, second level sun gear is connected with the gearwheel of parallel axes by spline, and gearwheel gears meshing, in output shaft, exports the power needed for outside and rotating speed.
Relative to prior art, the utility model has following advantage:
In gear-box of the present utility model, by arranging the first transmission line and the second transmission line, the shunting of the transmission power of input shaft is transmitted, and converge at second level planetary transmission system output, boundary dimension and the weight of gear-box can be reduced to a great extent, and improve the performance of gear-box.
The utility model embodiment still provides a kind of wind-driven generator, this wind-driven generator is provided with any one gear-box above-mentioned, because any one gear-box above-mentioned has above-mentioned technique effect, therefore, the wind-driven generator being provided with this gear-box also should possess corresponding technique effect, does not hereby repeat.
More characteristics and advantages of the utility model embodiment are explained in embodiment afterwards.
Accompanying drawing explanation
The accompanying drawing of a formation the utility model embodiment's part is used to provide the further understanding to the utility model embodiment, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the principle schematic of differential planet gear case in correlation technique;
The principle schematic of the gear-box that Fig. 2 provides for the utility model embodiment;
The structural representation of the gear-box that Fig. 3 provides for the utility model embodiment.
Description of reference numerals
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the utility model embodiment, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
It should be noted that, when not conflicting, the feature in the utility model embodiment and embodiment can combine mutually.
Below in conjunction with accompanying drawing, each preferred embodiment of the present utility model is described further:
With reference to Fig. 2, the principle schematic of its gear-box provided for the present embodiment.With reference to Fig. 3, it is the structural representation of the gear-box of the present embodiment.
In the present embodiment, this gear-box comprises: input shaft 1, first order planetary transmission system and second level planetary transmission system.First order planetary transmission system is configured with first order ring gear 17, first order planet carrier 14, and second level planetary transmission system is configured with second level ring gear 7, second level planet carrier 13.Wherein, input shaft 1 is provided with the first transmission line and the second transmission line:
1) in the first transmission line, input shaft 1 is connected with first order ring gear 17, is connected with second level ring gear 7 through first order planetary transmission system;
2), in the second transmission line, input shaft 1 is connected with second level planetary transmission system by second level planet carrier 13.
First order planetary transmission system is connected with second level planetary transmission system through second level ring gear 7, and the transmission power of input shaft 1 exports to second level planetary transmission system through the first transmission line and the second transmission line interflow.
In above-described embodiment, gear-box is differential planet gear case, can be used as the main-gear box of wind-driven generator.This gear-box adopts the differential planet transmission of power dividing, input shaft 1 point of two-way by power transmission to second level planetary transmission system, leading up to first order ring gear 17, first order planetary transmission system is connected with second level ring gear 7, power is flowed to second level planetary transmission system; Power is flowed to second level planetary transmission system by second level planet carrier 13 of separately leading up to, thus the outside dimension of gear-box is reduced, weight saving and also effect of load balancing mechanism good, the intensity of ring gear is high.
As shown in Figures 2 and 3, as the optional mode of execution of one, above-mentioned first transmission line can comprise the following mode that is in transmission connection:
The external tooth of input shaft 1 is connected with first order ring gear 17, and is connected with first order sun gear 16 by first order planet wheel 15.First order sun gear 16 is connected with tooth profile sleeve 6, and the external tooth of tooth profile sleeve 6 is connected with second level ring gear 7.
Optionally, in above-described embodiment, the radial direction of first order ring gear 17 adopts floating structure, is axially located by the first fan-shaped plate washer 18.Wherein, ring gear, by adopting floating structure, can improve intensity.First fan-shaped plate washer 18 is inserted in the external tooth form groove of input shaft 1, is fixedly connected on first order ring gear 17.
Optionally, in above-described embodiment, first order sun gear 16 is floating member.First order sun gear 16 is connected with tooth profile sleeve 6 by spline.Tooth profile sleeve 6 is by the tapered roller bearing 3 of pairing and roller bearing 4 axially locating and support.
Optionally, in above-described embodiment, the radial direction of second level ring gear 7 adopts floating structure, is axially located by the second fan-shaped plate washer 5.Second fan-shaped plate washer 5 inserts in the external tooth form groove of tooth profile sleeve 6, is fixedly connected on second level ring gear 7.
In the various embodiments described above, by adopting the joint float of ring gear and sun gear, effect of load balancing mechanism being promoted, and the intensity of ring gear is improved.
It should be noted that, the external tooth profile of tooth of input shaft 1 is consistent with the profile of tooth of first order ring gear 17, first order ring gear 17 is by several first fan-shaped plate washer 18 axially locating, first fan-shaped plate washer 18 is inserted in input shaft external tooth form groove, be fixed by bolts on first order ring gear 17, the first fan-shaped plate washer 18 has axial clearance with serrate slot simultaneously.
In addition, the external tooth profile of tooth of tooth profile sleeve 6 is consistent with the profile of tooth of second level ring gear 7, second level ring gear 7 is by several second fan-shaped plate washer 5 axially locating, second fan-shaped plate washer 5 is inserted in the external tooth form groove of tooth profile sleeve 6, be fixed by bolts on second level ring gear 7, meanwhile, the second fan-shaped plate washer 5 has axial clearance with serrate slot.
As shown in Figures 2 and 3, as the optional mode of execution of one, above-mentioned second transmission line can comprise the following mode that is in transmission connection:
Input shaft 1 is connected with second level planet carrier 13 by spline housing 2, and second level planet carrier 13 is connected with the second level planet wheel 9 of second level planetary transmission system.
Optionally, spline housing 2 is by axial plate washer 8 axially locating.Axial plate washer 8 is by the circlip for shaft be arranged on spline housing 2 and the circlip for hole location be arranged on second level planet carrier 13.
In an embodiment, except second level ring gear 7 and second level planet carrier 13, above-mentioned second level planetary transmission system can comprise second level planet wheel 9 and second level sun gear 10 further, and second level planet wheel 9 is connected with second level ring gear 7, second level planet carrier 13.Second level sun gear 10 is connected with second level planet wheel 9.
Wherein, the transmission power of input shaft 1, after first order ring gear 17 and second level planet carrier 13 are shunted, collaborates, to second level planet wheel 9, to export through second level sun gear 10.
Second level sun gear 10 is connected with the gearwheel 11 of parallel axes by spline, and gearwheel 11 and output shaft 12 gears meshing, export the power needed for outside and rotating speed.
Wherein, after second level sun gear exports, be delivered on gearwheel by the internal spline of sun gear, the output shaft output power of parallel stage and rotating speed, meanwhile, the planetary gear train of every grade is all the joint float of ring gear and sun gear, mutual noninterference, the ring gear of every grade connects without cantilever, and intensity is improved.Further, by adopting the joint float of ring gear and sun gear, effect of load balancing mechanism can be promoted.In addition, two-stage Gear Planet Transmission is by different numbers of teeth coupling, and the ratio of shunting power can reach certain numerical value, thus can reduce boundary dimension and the weight of gear-box further.
Alternatively, gear-box is also covered with casing 19 outward, and input shaft 1, output shaft 12 are arranged in casing 19 both sides respectively.
Below in conjunction with an example, an exemplary illustration is done to above-mentioned each gear-box:
As shown in Figures 2 and 3, input shaft 1 point of two-way is connected with first order ring gear 17, spline housing 2, and finally power is converged at second level planetary transmission system, here, is respectively described below this two-way Placement:
1) the first transmission line
Input shaft 1 is connected with first order ring gear 17 by the external tooth on it, and first order ring gear 17 adopts radial floating structure, axially locates with the first fan-shaped plate washer 18.First fan-shaped plate washer 18 is inserted in input shaft 1 external tooth form groove, is fixed by bolts on first order ring gear 17.Again by first order planet wheel 15, be connected with first order sun gear 16, first order sun gear 16 is floating member.Due to ring gear and sun gear joint float, the not load balance coefficient of Gear Planet Transmission is greatly reduced.First order sun gear 16 is connected with tooth profile sleeve 6 by spline, and the external tooth on tooth profile sleeve 6 is connected with second level ring gear 7.Second level ring gear 7 adopts radial floating structure, and axially locate with the second fan-shaped plate washer 5, the second fan-shaped plate washer 5 is inserted in tooth profile sleeve 6 external tooth form groove, is fixed by bolts on second level ring gear 7.Tooth profile sleeve 6 is by matched cone roller bearing 3 and roller bearing 4 axially locating and support.
Like this, from motion and the power of the input of input shaft 1 first via, through a series of transmission, second level ring gear 7 place is reached.
2) the second transmission line
Input shaft 1 is connected with second level planet carrier 13 by two place's external spliness on spline housing 2, and spline housing 2 relies on axial plate washer 8 axially locating, and axial plate washer 8 relies on the circlip for shaft on spline housing 2 and the location of the circlip for hole on second level planet carrier 13.
So far, two-way shunting imports second level planetary transmission system along different routes, realize collaborating at second level planet wheel 9, then be delivered to second level sun gear 10 to export, second level sun gear 10 is connected with the gearwheel 11 of parallel axes by spline, gearwheel 11 and output shaft 12 gears meshing, the power required for output generator and rotating speed.
As can be seen from the various embodiments described above, gear-box tool of the present utility model has the following advantages:
By arranging the first transmission line and the second transmission line, the shunting of the transmission power of input shaft is transmitted, and converge at second level planetary transmission system output, boundary dimension and the weight of gear-box can be reduced largely, adopt the joint float of ring gear and sun gear, effect of load balancing mechanism is promoted, and the intensity of ring gear is improved.
The utility model embodiment still provides a kind of wind-driven generator, this wind-driven generator is provided with any one gear-box above-mentioned, because any one gear-box above-mentioned has above-mentioned technique effect, therefore, the wind-driven generator being provided with this gear-box also should possess corresponding technique effect, its specific implementation process is similar to the above embodiments, does not hereby repeat.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a gear-box, it is characterized in that, comprising: input shaft (1), be configured with the first order planetary transmission system of first order ring gear (17), be configured with the second level planetary transmission system of second level ring gear (7) and second level planet carrier (13);
Described input shaft (1) is provided with the first transmission line and the second transmission line; In described first transmission line, described input shaft (1) is connected with described first order ring gear (17), is connected with described second level ring gear (7) through described first order planetary transmission system;
In described second transmission line, described input shaft (1) is connected with described second level planetary transmission system by described second level planet carrier (13);
Described first order planetary transmission system is connected with described second level planetary transmission system through described second level ring gear (7), and the transmission power of described input shaft (1) exports to described second level planetary transmission system through described first transmission line and described second transmission line interflow.
2. gear-box according to claim 1, is characterized in that, described first transmission line comprises:
The external tooth of described input shaft (1) is connected with described first order ring gear (17), and is connected with first order sun gear (16) by first order planet wheel (15);
Described first order sun gear (16) is connected with tooth profile sleeve (6), and the external tooth of described tooth profile sleeve (6) is connected with described second level ring gear (7).
3. gear-box according to claim 2, is characterized in that:
The radial direction of described first order ring gear (17) adopts floating structure, axially by the first fan-shaped plate washer (18) location;
Described first fan-shaped plate washer (18) is inserted in the external tooth form groove of described input shaft (1), is fixedly connected on described first order ring gear (17).
4. gear-box according to claim 3, is characterized in that:
Described first order sun gear (16) is floating member; Described first order sun gear (16) is connected with tooth profile sleeve (6) by spline;
Described tooth profile sleeve (6) is by the tapered roller bearing (3) of pairing and roller bearing (4) axially locating and support.
5. gear-box according to claim 4, is characterized in that:
The radial direction of described second level ring gear (7) adopts floating structure, axially by the second fan-shaped plate washer (5) location;
Described second fan-shaped plate washer (5) inserts in the external tooth form groove of tooth profile sleeve (6), is fixedly connected on described second level ring gear (7).
6. the gear-box according to any one of claim 1 to 5, is characterized in that, described second transmission line comprises:
Described input shaft (1) is connected with described second level planet carrier (13) by spline housing (2), and described second level planet carrier (13) is connected with the second level planet wheel (9) of described second level planetary transmission system.
7. gear-box according to claim 6, is characterized in that:
Described spline housing (2) is by axial plate washer (8) axially locating;
Described axial plate washer (8) is by the circlip for shaft be arranged on described spline housing (2) and the circlip for hole location be arranged on described second level planet carrier (13).
8. gear-box according to claim 7, is characterized in that, described second level planetary transmission system comprises:
Second level planet wheel (9), is connected with described second level ring gear (7), described second level planet carrier (13);
Second level sun gear (10), is connected with described second level planet wheel (9);
Wherein, the transmission power of described input shaft (1) is after described first order ring gear (17) and described second level planet carrier (13) shunting, interflow to described second level planet wheel (9), exports through described second level sun gear (10).
9. gear-box according to claim 8, it is characterized in that, described second level sun gear (10) is connected with the gearwheel (11) of parallel axes by spline, described gearwheel (11) gears meshing, in output shaft (12), exports the power needed for outside and rotating speed.
10. a wind-driven generator, is characterized in that, is provided with the gear-box described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420720246.1U CN204284319U (en) | 2014-11-26 | 2014-11-26 | Wind-driven generator and gear-box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420720246.1U CN204284319U (en) | 2014-11-26 | 2014-11-26 | Wind-driven generator and gear-box |
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| Publication Number | Publication Date |
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| CN204284319U true CN204284319U (en) | 2015-04-22 |
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| CN201420720246.1U Active CN204284319U (en) | 2014-11-26 | 2014-11-26 | Wind-driven generator and gear-box |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438859A (en) * | 2016-08-18 | 2017-02-22 | 上海未来伙伴机器人有限公司 | Gearbox |
| CN107461458A (en) * | 2017-07-05 | 2017-12-12 | 衢州市辰泰机械制造有限公司 | The first order Planetary Gear Transmission assembly of secondary transmission sand making machine roller kinetoplast |
| CN107461459A (en) * | 2017-07-05 | 2017-12-12 | 衢州市辰泰机械制造有限公司 | The first order Planetary Gear Transmission of secondary transmission sand making machine roller kinetoplast |
| CN108468756A (en) * | 2018-06-12 | 2018-08-31 | 重庆大学 | A kind of wind turbine gearbox drive mechanism |
| CN109915566A (en) * | 2019-03-29 | 2019-06-21 | 重庆大学 | A kind of lifting gear box of self-lifting ocean |
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2014
- 2014-11-26 CN CN201420720246.1U patent/CN204284319U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438859A (en) * | 2016-08-18 | 2017-02-22 | 上海未来伙伴机器人有限公司 | Gearbox |
| CN107461458A (en) * | 2017-07-05 | 2017-12-12 | 衢州市辰泰机械制造有限公司 | The first order Planetary Gear Transmission assembly of secondary transmission sand making machine roller kinetoplast |
| CN107461459A (en) * | 2017-07-05 | 2017-12-12 | 衢州市辰泰机械制造有限公司 | The first order Planetary Gear Transmission of secondary transmission sand making machine roller kinetoplast |
| CN108468756A (en) * | 2018-06-12 | 2018-08-31 | 重庆大学 | A kind of wind turbine gearbox drive mechanism |
| CN109915566A (en) * | 2019-03-29 | 2019-06-21 | 重庆大学 | A kind of lifting gear box of self-lifting ocean |
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Address after: 102206 31 Industrial Park, North Qing Road, Beijing, Changping District Patentee after: Sany Heavy Energy Co.,Ltd. Address before: 102206 31 Industrial Park, North Qing Road, Beijing, Changping District Patentee before: SANY HEAVY ENERGY Co.,Ltd. Address after: 102206 31 Industrial Park, North Qing Road, Beijing, Changping District Patentee after: SANY HEAVY ENERGY Co.,Ltd. Address before: 102206 31 Industrial Park, North Qing Road, Beijing, Changping District Patentee before: SANY HEAVY ENERGY EQUIPMENT Co.,Ltd. |