CN206352643U - Wind power speed-increasing machine gear-box - Google Patents
Wind power speed-increasing machine gear-box Download PDFInfo
- Publication number
- CN206352643U CN206352643U CN201621456854.1U CN201621456854U CN206352643U CN 206352643 U CN206352643 U CN 206352643U CN 201621456854 U CN201621456854 U CN 201621456854U CN 206352643 U CN206352643 U CN 206352643U
- Authority
- CN
- China
- Prior art keywords
- gear
- level
- primary
- planet
- wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Retarders (AREA)
Abstract
The utility model discloses a kind of wind power speed-increasing machine gear-box, it is related to wind power generating set field, the device includes casing, it includes anterior casing, and the two ends of anterior casing are equipped with opening.Sleeve flange disk, it is fixed on one end of anterior casing, and sleeve flange disk is the input of external torque.One-level differential planet transmission mechanism, it includes one-level sun gear and the primary transmission component being connected with sleeve flange disk, and primary transmission component is used to transmit external torque to one-level sun gear.The secondary planet transmission mechanism being connected with sleeve flange disk, secondary planet transmission mechanism is connected with one-level sun gear, and secondary planet transmission mechanism is used to transmit external torque to one-level sun gear.Three-stage cylindrical gear mechanism, it includes intermeshing input gear and output gear, and one-level sun wheel drive input gear is rotated.Wind power speed-increasing machine gear-box overall volume and weight in the utility model are small, gear range is big.
Description
Technical field
The utility model is related to wind power generating set field, and in particular to a kind of wind power speed-increasing machine gear-box.
Background technology
Wind energy be a kind of reserves it is huge and cleaning, free of contamination regenerative resource.In recent years, wind energy industry in world wide
Fast development, this also promotes the flourishing as never before of Wind turbines equipment manufacture.It is used as the wind-powered electricity generation of wind power generating set critical component
Gear-box, by the enterprise of domestic and international relevant industries and paying high attention to for scientific research institutions.With developing rapidly for industry, wind turbine
The installed capacity of group is also continuously increased.Therefore, maximized for wind turbine gearbox, the demand of high-power also becomes increasingly to compel
Cut.
It is subject to for wind turbine gearbox more than MW class using traditional two-stage planet and parallel axes or primary planet adds
The structure type of two-stage parallel axis, its overall volume and weight are all very big, therefore, have been no longer appropriate for advanced big MW class gear-box
Development.
Utility model content
For defect present in prior art, the purpose of this utility model is to provide a kind of overall volume and weight is small
MW class wind power speed-increasing machine gear-box.
To achieve the above objectives, the utility model is adopted the technical scheme that：
A kind of wind power speed-increasing machine gear-box, including：
Casing, it includes anterior casing, and the two ends of the anterior casing are equipped with opening；
Sleeve flange disk, it is fixed on one end of the anterior casing, and the sleeve flange disk is the defeated of external torque
Enter end；
One-level differential planet transmission mechanism, it includes one-level sun gear and the primary transmission being connected with the sleeve flange disk
Component, the primary transmission component is used to transmit the external torque to the one-level sun gear；
The secondary planet transmission mechanism being connected with sleeve flange disk, the secondary planet transmission mechanism and the one-level sun
Wheel is connected, and the secondary planet transmission mechanism is used to transmit the external torque to the one-level sun gear；And
Three-stage cylindrical gear mechanism, it includes intermeshing input gear and output gear, the one-level sun wheel driving
The dynamic input gear is rotated.
On the basis of above-mentioned technical proposal, the primary transmission component includes one-level ring gear, primary planet carrier and one
Level planetary gear, the one-level ring gear is fixed with the sleeve flange disk, and the primary planet wheel is located at the primary planet carrier
On, and with the one-level ring gear internal messing, and with the one-level sun gear external toothing.
On the basis of above-mentioned technical proposal, the secondary planet transmission mechanism include two grades of ring gears, secondary planet frame,
Secondary planet wheel and secondary solar gear, two grades of ring gears are fixed with the sleeve flange disk, and are set in the one-level
On the outside of gear ring, the secondary planet wheel on the secondary planet frame, and with two grades of ring gear internal messings, and with it is described
Secondary solar gear external toothing, the secondary planet transmission mechanism is connected by the primary planet carrier with the one-level sun gear,
The secondary solar gear is connected firmly with the primary planet carrier, and the secondary planet transmission mechanism also includes fixing axle, described two grades
Ring gear drives the secondary planet wheel to be rotated around the fixing axle.
On the basis of above-mentioned technical proposal, the secondary planet wheel is two grades of double-planetary gears, it include the first round with
Second wheel, the first round and two grades of ring gear internal messings, second wheel and the secondary solar gear external toothing.
On the basis of above-mentioned technical proposal, the one-level sun gear connects firmly into duplicate gear with input gear.
On the basis of above-mentioned technical proposal, two grades of ring gears and the anterior casing are spaced apart.
On the basis of above-mentioned technical proposal, the primary planet carrier includes primary planet carrier input side plate, primary planet
Frame exports the primary planet carrier connection of side plate and the connection primary planet carrier input side plate and primary planet carrier output side plate
Plate；The secondary planet frame includes secondary planet frame input side plate, secondary planet frame output side plate and connects two grades of rows
Carrier inputs side plate and secondary planet frame exports the secondary planet frame connecting plate of side plate；The primary planet carrier input side plate support
On the sleeve flange disk, the primary planet carrier output side plate is supported on the secondary planet frame input side plate, described
Secondary planet frame output side plate is fixed on the one end of the anterior casing away from the sleeve flange disk.
On the basis of above-mentioned technical proposal, the secondary planet wheel is located at the one-level ring gear side, described two grades
Ring gear extends to the secondary planet wheel, and is engaged with the secondary planet wheel.
On the basis of above-mentioned technical proposal, the primary transmission component also includes the one-level for supporting the primary planet wheel
Planetary gear bearing pin, the primary planet wheel bearing pin is flexible shaft.
On the basis of above-mentioned technical proposal, the one-level differential planet transmission mechanism includes three along the one-level internal tooth
The circumferential spaced 120 ° primary planet wheel of circle.
Compared with prior art, the utility model has the advantage of：
(1) the wind power speed-increasing machine gear-box in the utility model carries out power point using one-level differential planet transmission mechanism
Stream, reduces the load that each engaging tooth wheel set is transmitted, so as to reduce the size of travelling gear so that differential planetary level structure
It is more compact, and then reduce the weight and volume of booster engine gear-box.
(2) the secondary planet transmission mechanism in the utility model is that NW types have enough to meet the need epicyclic transmission mechanism.Using the two of NW types
Level epicyclic transmission mechanism radial dimension is smaller than NGW type, and gear range is big compared with NGW types.
(3) second level ring gear in the utility model separates rear spaced apart with casing, and such structure can be with
Effectively reduce the vibration produced by gear drive.In addition, two grades of ring gear versus primary ring gears are to away from sleeve flange disk
Extension, so as to form a thin-walled cantilever structure, the elastic deformation by gear thin-walled reaches and carries purpose.
(4) the primary planet wheel bearing pin in the utility model is flexible shaft structure, is easy to the elastic deformation using its generation
Compensation manufacture, alignment error, make each primary planet wheel uniformly share load.
Brief description of the drawings
Fig. 1 is the structural representation of wind-powered electricity generation booster engine gear-box in the utility model；
Fig. 2 is the transmission principle schematic diagram of wind-powered electricity generation booster engine gear-box in the utility model.
In figure：1- casings, 11- front portions casing, 12- rear portions casing, 2- sleeve flange disks, 3- one-level differential planet transmission machines
Structure, 31- one-level sun gears, 32- one-level ring gears, 33- primary planet carriers, 331- primary planet carriers input side plate, 332- one-levels
Planet carrier exports side plate, 333- primary planet carrier connecting plates, 34- primary planet wheels, 35- primary planet wheel bearing pins, bis- grades of rows of 4-
Star transmission mechanism, bis- grades of ring gears of 41-, 42- secondary planet framves, 421- secondary planets frame input side plate, 422- secondary planet framves
Side plate is exported, 423- secondary planet frame connecting plates, 43- secondary planet wheels, the 431- first round, 432- second takes turns, bis- grades of sun of 44-
Wheel, 45- fixing axles, 5- three-stage cylindrical gears mechanism, 51- input gears, 52- output gears, 6- toggles.
Embodiment
Embodiment of the present utility model is described in further detail below in conjunction with accompanying drawing.
Referring to shown in Fig. 1 and Fig. 2, the utility model provides a kind of wind power speed-increasing machine gear-box, including casing 1, sleeve method
Blue disk 2, one-level differential planet transmission mechanism 3, secondary planet transmission mechanism 4, three-stage cylindrical gear mechanism 5 and toggle 6.
Casing 1 includes the anterior casing 11 and rear portion casing 12 being arranged side by side, and the two ends of its middle front part casing 11 are equipped with
Opening.
Sleeve flange disk 2 is supported on toggle 6, outer rim and sleeve that the openend of anterior one end of casing 11 stretches out
Ring flange 2 is fastened.
One-level differential planet transmission mechanism 3 includes one-level sun gear 31 and the primary transmission group being connected with sleeve flange disk 2
Part, primary transmission component is used to transmit external torque to one-level sun gear 31.
Secondary planet transmission mechanism 4 is connected with sleeve flange disk 2 and one-level sun gear 31 is connected.Secondary planet transmission mechanism
4 are used to transmit external torque to one-level sun gear 31.
Three-stage cylindrical gear mechanism 5 includes intermeshing input gear 51 and output gear 52, and one-level sun gear 31 drives
Dynamic input gear 51 is rotated.
Transmission principle of the present utility model is described with reference to Fig. 2.
One-level differential planet transmission mechanism 3 includes one-level sun gear 31 and the primary transmission group being connected with sleeve flange disk 2
Part.Primary transmission component includes one-level ring gear 32, primary planet carrier 33, primary planet wheel 34 and primary planet wheel bearing pin 35.
One-level ring gear 32 is fixed with sleeve flange disk 2, and a part for outside input torque is inputted from one-level ring gear 32, one-level internal tooth
Circle 32 is rotated to drive and rotated with the primary planet wheel 34 on the primary planet carrier 33 of its internal messing.Primary planet wheel 34 drives and it
The one-level sun gear 31 of external toothing is rotated, and is transmitted torque on one-level sun gear 31 as one-level differential planet transmission mechanism 3
Output torque.
Secondary planet transmission mechanism 4 includes two grades of ring gears 41, secondary planet frame 42, secondary planet wheel 43, two grades of sun
Wheel 44 and fixing axle 45.Wherein two grades ring gears 41 are fixed with sleeve flange disk 2, and are set in the outside of one-level ring gear 32.
A part for outside input torque from one-level ring gear 32 input while, another part of external torque is from two grades of ring gears 41
Input, two grades of ring gears 41 rotate the fixed-axis rotation of secondary planet wheel 43 on the secondary planet frame 42 driven with its internal messing, two
Level planetary gear 43 drives secondary solar gear 44 to rotate, and secondary planet transmission mechanism 4 passes through primary planet carrier 33 and one-level sun gear
31 are connected, specifically, secondary solar gear 44 is connected firmly with primary planet carrier 33, secondary solar gear 44 drives 33 turns of primary planet carrier
Dynamic, the primary planet wheel 34 on primary planet carrier 33 revolves round the sun, and transmits torque on one-level sun gear 31, with one-level differential planetary
The output torque of transmission mechanism 3 is merged into as total output torque and exported from one-level sun gear 31.
Total output that three-stage cylindrical gear mechanism 5 is included on input gear 51 and output gear 52, one-level sun gear 31 turns
Square rotates it as the input torque of input gear 51, and input gear 51 drives the output gear 52 with its external toothing to rotate,
The torque of booster engine is exported by its output shaft.
Specifically, the one-level differential planet transmission mechanism 3 in the present invention is NGW type differential planet transmissions mechanism, two grades of rows
Star transmission mechanism 4 is that NW types have enough to meet the need epicyclic transmission mechanism.Using the radial dimension of secondary planet transmission mechanism 4 of NW types than NGW type
Small, gear range is big compared with NGW types.One-level differential planet transmission mechanism 3 is circumferential each other along one-level ring gear 32 using three
Every 120 ° of primary planet wheel 34, be installed within primary planet carrier 33, primary planet wheel 34 respectively with outside one-level sun gear 31
Engagement, and with the internal messing of one-level ring gear 32.One-level ring gear 32 is anchored on sleeve flange disk 2.Primary planet carrier 33 is wrapped
Include primary planet carrier input side plate 331, primary planet carrier output side plate 332 and connection primary planet carrier input side plate 331 and
Primary planet carrier exports the primary planet carrier connecting plate 333 of side plate 332, and primary planet carrier input side plate 331 is supported on sleeve method
Within blue disk 2.One-level sun gear 31 loads from primary planet carrier input side plate 331.Primary planet wheel bearing pin 35 is flexible shaft knot
Structure, is easy to compensate manufacture, alignment error using the elastic deformation of its generation, each primary planet wheel 34 is uniformly shared load.
Secondary planet transmission mechanism 4 uses three along the circumferential spaced 120 ° secondary planet wheel of two grades of ring gears 41
43, it is installed within secondary planet frame 42, respectively with the external toothing of secondary solar gear 44, and with two grades of internal messings of ring gear 41.
It is two grades of double-planetary gears to increase the secondary planet wheel 43 in the scope of gearratio, the utility model, it includes first
The wheel 432 of wheel 431 and second, the first round 431 and two grades of internal messings of ring gear 41, the second wheel 432 and the external toothing of secondary solar gear 44.
In addition, two grades of ring gears 41 and casing 1 are spaced apart, such structure can be effectively reduced produced by gear drive
Vibration.In addition, secondary planet wheel 43 is located at the side of one-level ring gear 32, two grades of ring gears 41 extend to secondary planet wheel 43, and
Engaged with secondary planet wheel 43.So as to forming a thin-walled cantilever structure, the elastic deformation by gear thin-walled reaches and carries purpose.
Secondary planet frame 42 includes secondary planet frame input side plate 421, secondary planet frame output side plate 422 and connection two
Level planet carrier input side plate 421 and secondary planet frame export the secondary planet frame connecting plate 423 of side plate 422.Anterior casing 11 is another
One end that the openend of one end exports side plate 422 with secondary planet frame is fastened, and one end of wherein fixing axle 45 is supported in two grades of rows
On carrier input side plate 421, the other end is supported on secondary planet frame output side plate 422.Primary planet carrier exports side plate
332 are supported in secondary planet frame input side plate 421.Secondary solar gear 44 loads and with one from secondary planet frame output side plate 422
Level planet carrier output side plate 332 is connected firmly.
Sleeve flange disk 2 connects wind turbine main shaft, is used as the input of external torque.By one-level differential planet transmission mechanism
3 and the input torque that transmits of secondary planet transmission mechanism 4 converge on one-level sun gear 31, as solid with one-level sun gear 31
The input torque of the input gear 51 of connection.Because the utility model is using the progress power dividing of one-level differential planet transmission mechanism 3,
The load that each engaging tooth wheel set is transmitted is reduced, so as to reduce the size of travelling gear so that differential planetary level structure is more
To be compact, and then reduce the weight and volume of booster engine gear-box.
Three-stage cylindrical gear mechanism 5 includes input gear 51 and output gear 52.The output end of input gear 51 and output
The output end of gear 52 is respectively supported at the outside cylindricality intracavitary of rear portion casing 12, and the input of output gear 52 is supported in rear portion
In the openend cylinder chamber of casing 12, openend and the secondary planet frame of rear portion casing 12 export the other end fastening of side plate 422.
Input gear 51, which is rotated, to be driven after the rotation of output gear 52, and the torque of wind power speed-increasing machine gear-box is defeated from the output shaft of gear 52
Go out.Further, since sleeve flange disk 2 is supported on toggle 6, the outer rim that the openend of anterior one end of casing 11 stretches out with
Sleeve flange disk 2 is fastened, the openend of the anterior other end of casing 11 and the secondary planet frame output side plate 422 of secondary planet frame 42
One end fastening.So as to by toggle 6, anterior casing 11, secondary planet frame 42, rear portion casing 12 by wind power speed-increasing machine gear
Case is packaged into an entirety.
The utility model is not only limited to above-mentioned preferred forms, and anyone can obtain under enlightenment of the present utility model
Go out other various forms of products, however, make any change in its shape or structure, it is every to have and the utility model phase
Same or close technical scheme, within its protection domain.
Claims (10)
1. a kind of wind power speed-increasing machine gear-box, it is characterised in that including：
Casing (1), it includes anterior casing (11), and the two ends of the anterior casing (11) are equipped with opening；
Sleeve flange disk (2), it is fixed on one end of the anterior casing (11), and the sleeve flange disk (2) turns to be outside
The input of square；
One-level differential planet transmission mechanism (3), it includes one-level sun gear (31) and be connected with the sleeve flange disk (2) one
Level transmission component, the primary transmission component is used to transmit the external torque to the one-level sun gear (31)；
The secondary planet transmission mechanism (4) being connected with sleeve flange disk (2), the secondary planet transmission mechanism (4) and described one
Level sun gear (31) is connected, and the secondary planet transmission mechanism (4) is used to transmit the external torque to the one-level sun gear
(31)；And
Three-stage cylindrical gear mechanism (5), it includes intermeshing input gear (51) and output gear (52), and the one-level is too
Sun wheel (31) drives the input gear (51) to rotate.
2. wind power speed-increasing machine gear-box as claimed in claim 1, it is characterised in that：The primary transmission component is included in one-level
Gear ring (32), primary planet carrier (33) and primary planet wheel (34), the one-level ring gear (32) and the sleeve flange disk (2)
It is fixed, the primary planet wheel (34) on the primary planet carrier (33), and with one-level ring gear (32) internal messing,
And with one-level sun gear (31) external toothing.
3. wind power speed-increasing machine gear-box as claimed in claim 2, it is characterised in that：Secondary planet transmission mechanism (4) bag
Include two grades of ring gears (41), secondary planet frame (42), secondary planet wheel (43) and secondary solar gear (44), two grades of ring gears
(41) it is fixed with the sleeve flange disk (2), and be set on the outside of the one-level ring gear (32), the secondary planet wheel (43)
On the secondary planet frame (42), and with two grades of ring gears (41) internal messing, and with the secondary solar gear (44)
External toothing, the secondary planet transmission mechanism (4) is connected by the primary planet carrier (33) with the one-level sun gear (31),
The secondary solar gear (44) connects firmly with the primary planet carrier (33), and the secondary planet transmission mechanism (4) also includes fixing
Axle (45), two grades of ring gears (41) drive the secondary planet wheel (43) to be rotated around the fixing axle (45).
4. wind power speed-increasing machine gear-box as claimed in claim 3, it is characterised in that：The secondary planet wheel (43) is two grades double
Join planetary gear, it includes the first round (431) and the second wheel (432), the first round (431) is interior with two grades of ring gears (41)
Engagement, second wheel (432) and the secondary solar gear (44) external toothing.
5. wind power speed-increasing machine gear-box as claimed in claim 1, it is characterised in that：The one-level sun gear (31) and input tooth
Wheel (51) connects firmly into duplicate gear.
6. wind power speed-increasing machine gear-box as claimed in claim 1, it is characterised in that：Two grades of ring gears (41) with it is described before
Portion's casing (11) is spaced apart.
7. wind power speed-increasing machine gear-box as claimed in claim 3, it is characterised in that：The primary planet carrier (33) includes one-level
Planet carrier input side plate (331), primary planet carrier output side plate (332) and the connection primary planet carrier input side plate
(331) and primary planet carrier output side plate (332) primary planet carrier connecting plate (333)；The secondary planet frame (42) includes
Secondary planet frame input side plate (421), secondary planet frame output side plate (422) and the connection secondary planet frame input side plate
(421) and secondary planet frame output side plate (422) secondary planet frame connecting plate (423)；The primary planet carrier inputs side plate
(331) it is supported on the sleeve flange disk (2), the primary planet carrier output side plate (332) is supported on the secondary planet
On frame input side plate (421), the secondary planet frame output side plate (422) is fixed on the anterior casing (11) away from the set
On one end of drum flange disk (2).
8. wind power speed-increasing machine gear-box as claimed in claim 3, it is characterised in that：The secondary planet wheel (43) is located at described
One-level ring gear (32) side, two grades of ring gears (41) extend to the secondary planet wheel (43), and with two grades of rows
Star-wheel (43) is engaged.
9. wind power speed-increasing machine gear-box as claimed in claim 2, it is characterised in that：The primary transmission component also includes support
The primary planet wheel bearing pin (35) of the primary planet wheel (34), the primary planet wheel bearing pin (35) is flexible shaft.
10. wind power speed-increasing machine gear-box as claimed in claim 2, it is characterised in that：The one-level differential planet transmission mechanism
(3) three are included along the circumferential spaced 120 ° primary planet wheel (34) of the one-level ring gear (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621456854.1U CN206352643U (en) | 2016-12-28 | 2016-12-28 | Wind power speed-increasing machine gear-box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621456854.1U CN206352643U (en) | 2016-12-28 | 2016-12-28 | Wind power speed-increasing machine gear-box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206352643U true CN206352643U (en) | 2017-07-25 |
Family
ID=59349684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621456854.1U Active CN206352643U (en) | 2016-12-28 | 2016-12-28 | Wind power speed-increasing machine gear-box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206352643U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017353A (en) * | 2019-04-15 | 2019-07-16 | 大连科技学院 | MW class integrated power bypass type wind power speed-increasing machine |
| CN113757316A (en) * | 2021-09-10 | 2021-12-07 | 淄博纽氏达特行星减速机有限公司 | Planetary reducer with small speed ratio transmission |
-
2016
- 2016-12-28 CN CN201621456854.1U patent/CN206352643U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017353A (en) * | 2019-04-15 | 2019-07-16 | 大连科技学院 | MW class integrated power bypass type wind power speed-increasing machine |
| CN113757316A (en) * | 2021-09-10 | 2021-12-07 | 淄博纽氏达特行星减速机有限公司 | Planetary reducer with small speed ratio transmission |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201293074Y (en) | Double-combining planet double-arm wind power acceleration box | |
| CN103266988B (en) | Wind generating set and variable pitch driving system thereof | |
| CN109340318B (en) | Three-power split planetary transmission structure of compact semi-direct-drive wind power gear box | |
| CN201714590U (en) | Accelerating gearbox for wind power generator | |
| CN103742607A (en) | Integrated semi-direct drive wind generator transmission chain and gearbox for same | |
| CN206352643U (en) | Wind power speed-increasing machine gear-box | |
| CN201381944Y (en) | Wind power generation variable propeller reduction gear box | |
| CN109386434B (en) | Compact semi-direct-drive wind power gear box multi-shaft power split transmission structure | |
| CN211852684U (en) | Compact semi-direct-drive wind-driven electric gear box power split transmission structure | |
| CN209398543U (en) | A kind of compact semi-direct driving wind electrical gearbox multiaxis power dividing drive mechanism | |
| CN209324993U (en) | A kind of compact semi-direct driving wind electrical gearbox compliant pin Composite Transmission structure | |
| CN104776202A (en) | Power flow division type acceleration gearbox for 6-8MW semi-direct driving wind generation set | |
| CN202135005U (en) | Improved power machine of energy conversion and regeneration | |
| CN201916470U (en) | Double-plate integral planet carrier of speed reducer for wind power generator | |
| CN111536203A (en) | Compact hybrid drive wind generating set gear box transmission structure | |
| CN209324944U (en) | A kind of three power dividing planetary transmission structure of compact semi-direct driving wind electrical gearbox | |
| CN206816783U (en) | Miniature differential harmonic wave speed reducing machine | |
| CN209325000U (en) | The semi-directly driven wind-powered gear-box capacity of gear both sides biasing shunts planetary transmission structure | |
| CN201666335U (en) | Speedup gear box for aero-generator | |
| CN107575541A (en) | Has the planetary reduction gear of few teeth difference reducing gear | |
| CN207111848U (en) | Compact type planetary speed reducer with small tooth number difference | |
| CN203730688U (en) | Speed-increasing gearbox of wind-driven generator | |
| CN206280441U (en) | Gear-box and Wind turbines | |
| CN106224450A (en) | A kind of wind power yawing driving means containing Harmonic Gears | |
| CN206017061U (en) | A kind of speed-increasing gearbox of wind driven generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |