CN110017353A - MW class integrated power bypass type wind power speed-increasing machine - Google Patents
MW class integrated power bypass type wind power speed-increasing machine Download PDFInfo
- Publication number
- CN110017353A CN110017353A CN201910300465.1A CN201910300465A CN110017353A CN 110017353 A CN110017353 A CN 110017353A CN 201910300465 A CN201910300465 A CN 201910300465A CN 110017353 A CN110017353 A CN 110017353A
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- CN
- China
- Prior art keywords
- cabinet
- high speed
- gear
- speed grade
- primary planet
- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02078—Gearboxes for particular applications for wind turbines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02091—Measures for reducing weight of gearbox
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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
Abstract
The present invention relates to wind energy power technology field, the specifically booster engine of wind power generating set, more particularly to can be used for the booster engine of the integrated power bypass type of big megawatt wind driven generator group.The method of the present invention, comprising: input flange disk, cabinet, primary planet train, high-speed planets system；Cabinet includes: preceding cabinet, middle cabinet, rear box and connection cabinet；Input flange is connected with preceding cabinet by interference fit；Preceding cabinet and primary planet train pass through high-strength bolt and pin connection；Primary planet train and middle cabinet pass through high-strength bolt and pin connection；Primary planet train is connect with advanced planetary gear train by spline；Advanced planetary gear train passes through high-strength bolt with middle cabinet and rear box respectively and connect；Connection cabinet one end is connected with rear box, and the other end and motor case body are integrated.It is oversized difficult to install that technical solution of the present invention solves big megawatt wind speedup tooth machine slow speed turbine stage in the prior art；The fever of high speed grade is big, temperature rise is serious, lubricant effect is very poor；The problems such as whole transmission chain is too long, loss of weight is difficult, transmission efficiency is low.
Description
Technical field
The present invention relates to wind energy power technology field, the specifically booster engine of wind power generating set, more particularly to can
The booster engine of integrated power bypass type for big megawatt wind driven generator group.
Background technique
Wind energy has the characteristics such as reserves are abundant, renewable, distribution is wide, pollution-free, is allowed into as a kind of clean energy resource
For the important directions of Renewable Energy Development.
There are many wind power generating set type, and using more, there are mainly two types of forms: double-fed wind power generator group and straight drive
Magneto alternator group.Wherein double-fed wind power generator group is that wind wheel is connect through higher speed increasing ratio gear-box with generator, skill
Art is mature, manufacture difficulty and at low cost；But its major defect is the gear that generator needs to be equipped with that speed increasing ratio is up to 100 or more
Case, and with the operation of blower, gearbox fault takes place frequently, mechanical noise is big, maintenance workload is big, energy utilization rate is low.It is straight to drive
Magneto alternator group is that wind wheel is connected directly with generator, because being not necessary to setting gear-box, so Mechanical Reliability is high, transmission
It is high-efficient；Its major defect is that generator volume and weight are big, manufacture difficulty and higher cost.
The separately wind power speed-increasing machine for big megawatt, input load is larger, is limited by blower sizes and safety, common to pass
Dynamic structure is difficult to meet, and relatively often has Problem of Failure.
There are following technical problems for the big megawatt wind speedup tooth machine of 6MW or more at present:
1, since load is excessive, the bearing capacity of the key parts such as gear, bearing is weak, is unable to satisfy design requirement, another low
Fast grade load is excessive to cause slow speed turbine stage oversized, is unable to satisfy live actual installation requirement；
2, high speed grade revolving speed is excessively high, there is the problems such as fever is big, temperature rise is serious, lubricant effect is very poor, and high speed grade is caused to be lost
Effect is serious；
3, big megawatt wind booster engine transmission chain is too long, and loss of weight is difficult, and transmission efficiency is low.
For it is above-mentioned the problems of in the prior art, a kind of novel MW class integrated power of researching and designing shunts
Type wind power speed-increasing machine, so that it is very necessary for overcoming the problems of in the prior art.
Summary of the invention
It is oversized difficult to install according to existing big megawatt wind speedup tooth machine slow speed turbine stage set forth above；The fever of high speed grade
Greatly, temperature rise is serious, lubricant effect is very poor；The technical problems such as whole transmission chain is too long, loss of weight is difficult, transmission efficiency is low, and provide
A kind of MW class integrated power bypass type wind power speed-increasing machine.The present invention primarily inputs power in gear for two stage planetary gear train ring gear
Punishment stream, converges at high speed grade planet carrier, realizes shunting and the interflow of input power；Connection cabinet is connect with motor case body,
High speed grade output gear shaft connect by shaft coupling with rotor, and realization booster engine and motor integrate.
The technological means that the present invention uses such as MW class integrated power bypass type wind power speed-increasing machine, which is characterized in that institute
The wind power speed-increasing machine stated includes: input flange disk, cabinet, primary planet train, high-speed planets system；Cabinet include: preceding cabinet,
Middle cabinet, rear box and connection cabinet；Input flange is connected with preceding cabinet by interference fit；Preceding cabinet and primary planet wheel
System passes through high-strength bolt and pin connection；Primary planet train and middle cabinet pass through high-strength bolt and pin connection；Primary planet train
It is connect with advanced planetary gear train by spline；Advanced planetary gear train passes through high-strength bolt with middle cabinet and rear box respectively and connect；
Connection cabinet one end is connected with rear box, and the other end and motor case body are integrated.
Further, primary planet train includes: primary planet carrier, primary planet wheel shaft, primary planet wheel, level-one internal tooth
Circle, level-one sun gear；Primary planet wheel shaft is loaded between preceding cabinet and middle cabinet by primary planet carrier and bearing；Primary planet
Wheel is set in the outside of primary planet wheel shaft；The external tooth of primary planet wheel is mutually nibbled with level-one sun gear and level-one ring gear respectively
It closes；The both ends of level-one ring gear are fixedly connected by high-strength bolt with the same cabinet of pin and middle cabinet；Level-one sun gear with it is advanced
Planetary gear train is connected by spline；Level-one ring gear is as the gear-driven input terminal of slow speed turbine stage, and level-one sun gear is as low speed
The gear-driven output end of grade.
Further, high-speed planets system includes: high speed grade planet carrier, high speed grade ring gear, high speed grade planetary gear, high speed
Grade output shaft, high speed grade planet wheel spindle；High speed grade planet wheel spindle is loaded on middle cabinet and rear cabinet by high speed grade planet carrier and bearing
Between body；High speed grade planetary gear is set in the outside of high speed grade planet wheel spindle；The external tooth of high speed grade planetary gear respectively with high speed grade
Output shaft and high speed grade ring gear are meshed；The both ends of high speed grade ring gear are fixed by high-strength bolt with middle cabinet and rear box
Connection；High speed grade planet carrier is connect with level-one sun gear spline；High speed grade planet carrier and high speed grade ring gear are simultaneously as high speed
The gear-driven input terminal of grade, high gear output shaft is as the gear-driven output end of high speed grade.
In the input terminal that input flange disk of the invention is entire booster engine, high-speed output gear axis is entire booster engine
Output end, input power is diverted to slow speed turbine stage and high speed grade by level-one ring gear and high speed grade ring gear, in high speed grade planet
Power is formed at frame to converge.
Compared with the prior art, the invention has the following advantages that
1, MW class integrated power bypass type wind power speed-increasing machine provided by the invention, gear-box speedup is smaller, structure
Simply, small in size, failure rate is low, easy to maintain；
2, MW class integrated power bypass type wind power speed-increasing machine provided by the invention, generator is small in size compared with direct-drive type,
It is light-weight；
3, MW class integrated power bypass type wind power speed-increasing machine provided by the invention combines double-fed type and direct-drive type
Advantage, while meeting transmission and load design, structure is more compact, light-weight.
To sum up, it applies the technical scheme of the present invention and solves big megawatt wind speedup tooth machine slow speed turbine stage ruler in the prior art
It is very little excessive difficult to install；The fever of high speed grade is big, temperature rise is serious, lubricant effect is very poor；Whole transmission chain is too long, loss of weight is difficult, passes
The problems such as efficiency of movement is low.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is transmission principle figure of the present invention.
In figure: 1, input flange disk 2, preceding cabinet 3, primary planet carrier 4, primary planet wheel shaft 5, primary planet wheel
6, level-one ring gear 7, level-one sun gear 8, high speed grade planet carrier 9, middle cabinet 10, high speed grade ring gear 11, high speed grade row
Star-wheel 12, rear box 13, connection cabinet 14, high speed grade output shaft 15, high speed grade planet wheel spindle.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.It is real to the description of at least one exemplary embodiment below
It is merely illustrative on border, never as to the present invention and its application or any restrictions used.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to exemplary embodiments of the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be clear that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.Technology known for person of ordinary skill in the relevant, side
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention: the noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under its device or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
As shown in Figure 1, the present invention provides a kind of MW class integrated power bypass type wind power speed-increasing machine, feature exists
In the wind power speed-increasing machine includes: input flange disk 1, cabinet, primary planet train, high-speed planets system；
Cabinet includes: preceding cabinet 2, middle cabinet 9, rear box 12 and connection cabinet 13；
Input flange 1 is connected with preceding cabinet 2 by interference fit；Preceding cabinet 2 passes through high-strength spiral shell with primary planet train
Bolt and pin connection；Primary planet train and middle cabinet 9 pass through high-strength bolt and pin connection；Primary planet train and advanced planetary gear
System is connected by spline；Advanced planetary gear train is connect by high-strength bolt respectively with middle cabinet 9 and rear box 12；Connect cabinet 13
One end is connected with rear box 12, and the other end and motor case body are integrated.
Primary planet train includes: primary planet carrier 3, primary planet wheel shaft 4, primary planet wheel 5, level-one ring gear 6, one
Grade sun gear 7；
Primary planet wheel shaft 4 is loaded between preceding cabinet 2 and middle cabinet 9 by primary planet carrier 3 and bearing；Primary planet wheel
5 are set in the outside of primary planet wheel shaft 4；The external tooth of primary planet wheel 5 respectively with 6 phase of level-one sun gear 7 and level-one ring gear
Engagement；The both ends of level-one ring gear 6 are fixedly connected by high-strength bolt with the same cabinet 2 of pin and middle cabinet 9；Level-one sun gear 7
It is connect with advanced planetary gear train by spline；
Level-one ring gear 6 is used as the gear-driven input terminal of slow speed turbine stage, and level-one sun gear 7 is gear-driven as slow speed turbine stage
Output end.
High-speed planets system includes: that high speed grade planet carrier 8, high speed grade ring gear 10, high speed grade planetary gear 11, high speed grade are defeated
Shaft 14, high speed grade planet wheel spindle 15；
High speed grade planet wheel spindle 15 is loaded between middle cabinet 9 and rear box 12 by high speed grade planet carrier 8 and bearing；At a high speed
Grade planetary gear 11 is set in the outside of high speed grade planet wheel spindle 15；The external tooth of high speed grade planetary gear 11 respectively with high speed grade output shaft
14 and high speed grade ring gear 10 be meshed；The both ends of high speed grade ring gear 10 are by high-strength bolt with middle cabinet 9 and rear box 12
It is fixedly connected；High speed grade planet carrier 8 is connect with 7 spline of level-one sun gear；
High speed grade planet carrier 8 and high speed grade ring gear 10 are used as the gear-driven input terminal of high speed grade, high gear simultaneously
Output shaft 14 is used as the gear-driven output end of high speed grade.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (3)
1. a kind of MW class integrated power bypass type wind power speed-increasing machine, which is characterized in that the wind power speed-increasing machine includes: defeated
Enter ring flange (1), cabinet, primary planet train, high-speed planets system；
The cabinet includes: preceding cabinet (2), middle cabinet (9), rear box (12) and connection cabinet (13)；
The input flange (1) is connected with preceding cabinet (2) by interference fit；Preceding cabinet (2) and primary planet train are logical
Cross high-strength bolt and pin connection；Primary planet train and middle cabinet (9) pass through high-strength bolt and pin connection；Primary planet train with
Advanced planetary gear train is connected by spline；Advanced planetary gear train and middle cabinet (9) and rear box (12) pass through high-strength bolt respectively
Connection；Connection cabinet (13) one end is connected with rear box (12), and the other end and motor case body are integrated.
2. MW class integrated power bypass type wind power speed-increasing machine according to claim 1, which is characterized in that described one
Grade planetary gear train includes: primary planet carrier (3), primary planet wheel shaft (4), primary planet wheel (5), level-one ring gear (6), level-one
Sun gear (7)；
Primary planet wheel shaft (4) is loaded between preceding cabinet (2) and middle cabinet (9) by primary planet carrier (3) and bearing；Level-one row
Star-wheel (5) is set in the outside of primary planet wheel shaft (4)；The external tooth of primary planet wheel (5) respectively with level-one sun gear (7) and one
Grade ring gear (6) is meshed；The both ends of level-one ring gear (6) are solid by high-strength bolt and the same cabinet of pin (2) and middle cabinet (9)
Fixed connection；Level-one sun gear (7) is connect with advanced planetary gear train by spline；
Level-one ring gear (6) is used as the gear-driven input terminal of slow speed turbine stage, and level-one sun gear (7) is gear-driven as slow speed turbine stage
Output end.
3. MW class integrated power bypass type wind power speed-increasing machine according to claim 1, which is characterized in that the height
Fast planetary gear train includes: high speed grade planet carrier (8), high speed grade ring gear (10), high speed grade planetary gear (11), high speed grade output shaft
(14), high speed grade planet wheel spindle (15)；
High speed grade planet wheel spindle (15) is loaded between middle cabinet (9) and rear box (12) by high speed grade planet carrier (8) and bearing；
High speed grade planetary gear (11) is set in the outside of high speed grade planet wheel spindle (15)；The external tooth of high speed grade planetary gear (11) respectively with height
Fast grade output shaft (14) and high speed grade ring gear (10) are meshed；The both ends of high speed grade ring gear (10) are by high-strength bolt in
Cabinet (9) is fixedly connected with rear box (12)；High speed grade planet carrier (8) is connect with level-one sun gear (7) spline；
High speed grade planet carrier (8) and high speed grade ring gear (10) are used as the gear-driven input terminal of high speed grade, high gear simultaneously
Output shaft (14) is used as the gear-driven output end of high speed grade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910300465.1A CN110017353A (en) | 2019-04-15 | 2019-04-15 | MW class integrated power bypass type wind power speed-increasing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910300465.1A CN110017353A (en) | 2019-04-15 | 2019-04-15 | MW class integrated power bypass type wind power speed-increasing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110017353A true CN110017353A (en) | 2019-07-16 |
Family
ID=67191403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910300465.1A Pending CN110017353A (en) | 2019-04-15 | 2019-04-15 | MW class integrated power bypass type wind power speed-increasing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110017353A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202579057U (en) * | 2012-05-03 | 2012-12-05 | 南京高速齿轮制造有限公司 | Step-up gear box of high-power wind driven generator |
| CN104482140A (en) * | 2014-12-26 | 2015-04-01 | 南京高速齿轮制造有限公司 | Planetary gearbox assembly |
| CN206352643U (en) * | 2016-12-28 | 2017-07-25 | 武汉科技大学 | Wind power speed-increasing machine gear-box |
| CN109340318A (en) * | 2018-11-22 | 2019-02-15 | 明阳智慧能源集团股份公司 | A kind of three power dividing planetary transmission structure of compact semi-direct driving wind electrical gearbox |
-
2019
- 2019-04-15 CN CN201910300465.1A patent/CN110017353A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202579057U (en) * | 2012-05-03 | 2012-12-05 | 南京高速齿轮制造有限公司 | Step-up gear box of high-power wind driven generator |
| CN104482140A (en) * | 2014-12-26 | 2015-04-01 | 南京高速齿轮制造有限公司 | Planetary gearbox assembly |
| CN206352643U (en) * | 2016-12-28 | 2017-07-25 | 武汉科技大学 | Wind power speed-increasing machine gear-box |
| CN109340318A (en) * | 2018-11-22 | 2019-02-15 | 明阳智慧能源集团股份公司 | A kind of three power dividing planetary transmission structure of compact semi-direct driving wind electrical gearbox |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190716 |
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| RJ01 | Rejection of invention patent application after publication |