CN201786999U - Planetary gear transmission mechanism of wind power device and propeller pitch driver and orientation driver of wind power device - Google Patents
Planetary gear transmission mechanism of wind power device and propeller pitch driver and orientation driver of wind power device Download PDFInfo
- Publication number
- CN201786999U CN201786999U CN2009201791550U CN200920179155U CN201786999U CN 201786999 U CN201786999 U CN 201786999U CN 2009201791550 U CN2009201791550 U CN 2009201791550U CN 200920179155 U CN200920179155 U CN 200920179155U CN 201786999 U CN201786999 U CN 201786999U
- Authority
- CN
- China
- Prior art keywords
- planet wheel
- driving mechanism
- driven shaft
- planet
- driver
- 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.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 36
- 230000005540 biological transmission Effects 0.000 title abstract description 7
- 238000005096 rolling process Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 238000005242 forging Methods 0.000 claims description 4
- 239000000969 carrier Substances 0.000 claims description 2
- 210000000515 tooth Anatomy 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000007723 transport mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
Images
Classifications
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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
- F16H1/46—Systems consisting of a plurality of gear trains each with orbital gears, i.e. systems having three or more central gears
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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
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0204—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for orientation in relation to wind direction
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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
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/022—Adjusting aerodynamic properties of the blades
- F03D7/0224—Adjusting blade pitch
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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
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H57/082—Planet carriers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/40—Transmission of power
- F05B2260/403—Transmission of power through the shape of the drive components
- F05B2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
- F05B2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclic, planetary or differential type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
- F05B2260/79—Bearing, support or actuation arrangements therefor
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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 utility model relates to a planetary gear transmission mechanism and a propeller pitch driver and an orientation driver of a wind power device used for the wind power device, in particular to a planetary gear transmission mechanism used for a propeller pitch driver or an orientation driver of a wind power device. The planetary gear transmission mechanism is provided with a driving shaft and a driven shaft, a plurality of planetary gear transmission stages are in action connection by the aid of the driving shaft and the driven shaft, each planetary gear transmission stage is provided with a plurality of planetary gears in a matching manner, the planetary gears arranged between a fixed inner gear and a sun gear driven by the driving shaft are respectively fixedly supported on the driven shaft or a journal of a planetary gear rack on the corresponding sun gear, and the journals are integrated with the planetary gear racks.
Description
Technical field
The utility model relates to a kind of planet wheel driving mechanism, the especially a kind of pitch driver of wind energy plant or planet wheel driving mechanism of azimuth driver of being used for.
Azimuth driver is used for the wind guidance of gondola, and the pitch driver is used to adjust the rotor blade of wind energy plant.
Background technique
This planet wheel driving mechanism is disclosed in claimant's document RD76111.This journey star wheels transport mechanism has by electric motor driven live axle and the driven shaft that is connected with output gear.Live axle is in effect with driven shaft by a plurality of planet wheel gear stages and is connected.Wherein, each planet wheel gear stage has a plurality of planet wheels.Planet wheel is arranged on as between the stationary housing of internal gear and the corresponding sun gear.Planet wheel is realized supporting by rolling bearing.Rolling bearing is fixed on the axle journal.Wherein, each axle journal is installed on the planetary wheel carrier by being threaded, or is fitted on the planetary wheel carrier.
The shortcoming of this scheme is, because the changing load that occurs on wind energy plant, the axle journal that is used to support planet wheel may be hit down from planetary wheel carrier.This can cause the planet wheel driving mechanism to break down usually.
The model utility content
Therefore task of the present utility model provides a kind of planet wheel driving mechanism with high stability.
This task is finished by a kind of planet wheel driving mechanism.According to the utility model, a kind of planet wheel driving mechanism is proposed, in particular for the pitch driver or the azimuth driver of wind energy plant, described planet wheel driving mechanism has live axle and driven shaft.Described live axle is in effect with driven shaft by at least one planet wheel gear stage and is connected.Described planet wheel gear stage has a plurality of planet wheels, and these planet wheels are arranged between fixing internal gear and the sun gear by described drive shaft.These planet wheels are bearing in respectively on the axle journal that is mechanically anchored in the planetary wheel carrier on the described driven shaft.Advantageously, described axle journal and planetary wheel carrier are configured to integral body.
The advantage of this scheme is, by being configured to integral body with planetary wheel carrier, in the prior art of having avoided being set forth as beginning problem the problem includes: axle journal comes off problem.Therefore, this planet wheel driving mechanism has higher working life and stable preferably.In addition, this axle journal can be made especially at low cost with planetary wheel carrier.Because they can be forged out by a block of material, do not need extra annex yet.
Particularly advantageously, under the situation of a plurality of planet wheel gear stages, every other planetary wheel carrier is mechanically anchored in respectively and is on the sun gear of the downstream, adjacent planet wheel gear stage along power stream accordingly.
Only need less device technique expense, described this or a plurality of sun gear are bearing between described live axle and the driven shaft slidably by its end face.
In order to reduce weight, each sun gear essential structure is a hollow cylinder.
Preferred mode is that described driven shaft is surrounded by the planetary wheel carrier form fit of subordinate ground with sun gear and is connected with the planetary wheel carrier of described subordinate.Preferred this connection connects realization by spline.
In order to make minimise friction, planet wheel supports by the rolling bearing that is fixed on the corresponding axle journal respectively.
In order to realize high velocity ratio, be provided with four planet wheel gear stages in the star wheels transport mechanism of being expert at.High transmission specific energy realizes that the gondola of wind energy plant very is rotated delicately.
Planetary wheel carrier and the axle journal of attaching troops to a unit can be made at low cost by die forging.
The utility model also proposes to be used for the pitch driver of wind energy plant, and this pitch driver has the planet wheel driving mechanism that the utility model proposes.
The utility model also proposes to be used for the azimuth driver of wind energy plant, and this azimuth driver has the planet wheel driving mechanism that the utility model proposes.
Description of drawings
Next according to unique schematic representation preferred embodiment of the present utility model is further set forth.
Fig. 1 is the sectional arrangement drawing of planet wheel driving mechanism.
Reference numerals list:
1 planet wheel driving mechanism
2 live axles
4 driven shafts
6 planet wheel gear stages
8 housing members
10,12 rolling bearings
14 internal gears
16 internal tooths
18 are threaded
20,22,24,26 planet wheels
28,30,32,34 axle journals
36,38,40,42 planetary wheel carriers
44,46,48 sun gears
50 teeth
52 splines
54 splines connect
56 right side levels
58 left side levels
Embodiment
Unique accompanying drawing shows the planet wheel driving mechanism 1 that is used for wind energy plant.This journey star wheels transport mechanism for example is used for pitch driver or azimuth driver.Under the situation of azimuth driver, the planet wheel driving mechanism is used for the wind guidance of the gondola of wind energy plant.Under the situation of pitch driver, the planet wheel driving mechanism is used to adjust the wind energy plant rotor blade.
Planet wheel driving mechanism 1 has live axle 2 and driven shaft 4.Live axle is in effect with driven shaft by four planet wheel gear stages 6 and is connected.Wherein, these parts are installed in the housing of multi-section fraction.Driven shaft 4 can be rotated to support in the housing member 8 in left side in the accompanying drawing by two rolling bearings 10,12.The housing member on right side is connected with the housing member 8 in left side by being threaded in the accompanying drawing, and as internal gear 14, this internal gear 14 has the internal tooth 16 that is used for planet wheel gear stage 6.Unshowned the 3rd housing member 18 is connected with internal gear 14 by being threaded in the accompanying drawing, and is used for supporting driving shaft 2 on the one hand, is used to connect the motor that is driving live axle 2 on the other hand.
Each planet wheel gear stage 6 has a plurality of planet wheels 20,22,24,26 (among the figure from right to left).Wherein, each planet wheel gear stage 6 is respectively shown in the sectional view.Each planet wheel 20,22,24 and 26 can be rotated to support on axle journal 28,30,32 and 34 by a sliding bearing respectively.Axle journal 28,30,32 and 34 is configured to integral body with planetary wheel carrier 36,38,40 and 42 respectively.
Sun gear 44,46,48 has the tooth 50 that is meshed with the planet wheel 30,32,34 of attaching troops to a unit on the section in left side respectively on the one hand in the drawings, is configured with on the section on right side in the drawings respectively on the other hand to be used for the connection of form fit formula ground and to surround the planetary wheel carrier 36,38 of sun gear 44,46 or 48 or 40 spline 52.Therefore, planetary wheel carrier 36,38 or 40 is mechanically anchored in respectively and is on the sun gear 44,46 or 48 of the downstream, adjacent planet wheel gear stage along power stream accordingly.The planetary wheel carrier 42 in the planet wheel left side in left side connects 54 by spline and is connected with driven shaft 4 among the figure.
The diameter of live axle 2 and sun gear 44,46,48 increases progressively to driven shaft 4 from live axle 2 along power stream in the accompanying drawings.Wherein, live axle 2 has minimum diameter, and sun gear 48 has maximum diameter.The internal tooth 16 of internal gear 14 is configured to two-stage.Therefore, first promptly the diameter of the right side level 56 among the figure less than the diameter of left side level 58.As shown in the figure, right side level 56 is attached troops to a unit in the planet wheel 20,22 on two right sides, and left side level 58 is attached troops to a unit in the planet wheel 24,26 in two left sides.
As being used for the material of planetary wheel carrier 36 to 42, especially be fit to select for use high-quality modified material together with axle journal 28 to 34.This material not only has high strength, also has high tenacity.Planetary wheel carrier 36 to 42 together with the feature made in one piece of axle journal 28 to 34 is, at a low price, high strength, the structure space demand is low simultaneously.Because the thickness of use high-strength material can be less than the thickness under the prior art situation.
The utility model discloses a kind of pitch driver of wind energy plant or planet wheel driving mechanism of azimuth driver of being used for.Described planet wheel driving mechanism has live axle and driven shaft, and a plurality of planet wheel gear stages are in effect by above-mentioned live axle and driven shaft and are connected.The planet wheel gear stage is furnished with a plurality of planet wheels, and these planet wheels are arranged between fixing internal gear and the sun gear by described drive shaft.These planet wheels are bearing in respectively and are fixed on the described driven shaft or on the axle journal of the planetary wheel carrier on the sun gear.Described axle journal and planetary wheel carrier are configured to integral body.
Claims (11)
1. planet wheel driving mechanism, described planet wheel driving mechanism has live axle (2) and driven shaft (4), this live axle is in effect by at least one planet wheel gear stage (6) and driven shaft and is connected, wherein, described planet wheel gear stage has a plurality of planet wheels (20,22,24,26), these planet wheels are arranged between internal gear (14) and the sun gear (44,46,48) by described live axle (2) driving, and these planet wheels are bearing in the axle journal (28 of the planetary wheel carrier (42) that is mechanically fastened on the described driven shaft (4) respectively, 30,32,34) on, it is characterized in that the axle journal of at least one planet wheel gear stage (34) is configured to integral body with planetary wheel carrier (42).
2. planet wheel driving mechanism as claimed in claim 1, it is characterized in that, under the situation that is provided with a plurality of planet wheel gear stages (6), all other planetary wheel carriers (36,38,40) be mechanically anchored in respectively and be on the sun gear (44,46,48) of the downstream, adjacent planet wheel gear stage along power stream accordingly.
3. planet wheel driving mechanism as claimed in claim 2 is characterized in that, described this or a plurality of sun gear (2,44,46,48) are bearing between described live axle (2) and the driven shaft (4) slidably by its end face.
4. as each described planet wheel driving mechanism in the claim 1 to 3, it is characterized in that sun gear (44,46,48) is configured to hollow cylinder.
5. as claim 2 or 3 described planet wheel driving mechanisms, it is characterized in that described driven shaft (4) and sun gear (44,46,48) are surrounded by the planetary wheel carrier of subordinate (36,38,40,42), and form fit ground is connected with the planetary wheel carrier of described subordinate.
6. as each described planet wheel driving mechanism in the claim 1 to 3, it is characterized in that described planet wheel (20,22,24,26) supports by the rolling bearing that is fixed on the corresponding axle journal (28,30,32,34) respectively.
7. as each described planet wheel driving mechanism in the claim 1 to 3, it is characterized in that, be provided with four planet wheel gear stages (6).
8. as each described planet wheel driving mechanism in the claim 1 to 3, it is characterized in that wherein said planetary wheel carrier (36,38,40,42) and the axle journal (28,30,32,34) of attaching troops to a unit are made by die forging.
9. planet wheel driving mechanism as claimed in claim 5 is characterized in that, described driven shaft (4) and sun gear (44,46,48) connect (54) by spline and be connected with the planetary wheel carrier of described subordinate.
10. the pitch driver of wind energy plant is characterized in that, this pitch driving implement is just like each described planet wheel driving mechanism in the claim 1 to 9.
11. the azimuth driver of wind energy plant is characterized in that, this azimuth driver has as each described planet wheel driving mechanism in the claim 1 to 9.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009037005.6 | 2009-08-12 | ||
DE102009037005A DE102009037005A1 (en) | 2009-08-12 | 2009-08-12 | Planetary gear for azimuth or pitch drives of wind energy plant, has drive- and output shafts, which are in effective connection over planetary stage, where bearing pins of planetary stage are formed with planetary carrier as single piece |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201786999U true CN201786999U (en) | 2011-04-06 |
Family
ID=43448217
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009201791550U Expired - Fee Related CN201786999U (en) | 2009-08-12 | 2009-09-29 | Planetary gear transmission mechanism of wind power device and propeller pitch driver and orientation driver of wind power device |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN201786999U (en) |
DE (1) | DE102009037005A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102852739A (en) * | 2011-06-30 | 2013-01-02 | 西门子公司 | Drive system for a wind turbine |
CN103047084A (en) * | 2012-12-22 | 2013-04-17 | 广州红鹰能源科技有限公司 | Umbrella-type wind power generating set and working method |
CN103062341A (en) * | 2011-10-18 | 2013-04-24 | 吴小杰 | Wind power constant brake yaw cycloid gear box |
CN103089926A (en) * | 2011-11-04 | 2013-05-08 | 罗伯特·博世有限公司 | Transmission mechanism |
CN103174818B (en) * | 2011-12-23 | 2016-02-10 | Ls美创有限公司 | The hydrostatic mechanical transmission of auto-manual auxiliary transmission is equipped with |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2554839B1 (en) * | 2011-08-05 | 2020-09-23 | ZF Wind Power Antwerpen NV | Platform gearboxes for wind turbines |
DE102015006023B4 (en) * | 2015-05-13 | 2020-08-06 | Sew-Eurodrive Gmbh & Co Kg | Gearbox with a driving shaft mounted in a flange part by means of a bearing and a coupling sleeve |
CN106704492B (en) * | 2016-12-28 | 2024-02-23 | 南京高速齿轮制造有限公司 | Modularized yaw pitch drive device |
EP3502516A1 (en) | 2017-12-19 | 2019-06-26 | Flender GmbH | Planetary gear, drive train and wind turbine |
DE102022003888A1 (en) | 2022-10-20 | 2024-04-25 | Mercedes-Benz Group AG | Planetary gear stage and electric drive system |
-
2009
- 2009-08-12 DE DE102009037005A patent/DE102009037005A1/en not_active Ceased
- 2009-09-29 CN CN2009201791550U patent/CN201786999U/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102852739A (en) * | 2011-06-30 | 2013-01-02 | 西门子公司 | Drive system for a wind turbine |
CN102852739B (en) * | 2011-06-30 | 2015-07-01 | 西门子公司 | Drive system for a wind turbine |
CN103062341A (en) * | 2011-10-18 | 2013-04-24 | 吴小杰 | Wind power constant brake yaw cycloid gear box |
CN103062341B (en) * | 2011-10-18 | 2016-04-13 | 吴小杰 | Wind power constant brake yaw cycloid gear box |
CN103089926A (en) * | 2011-11-04 | 2013-05-08 | 罗伯特·博世有限公司 | Transmission mechanism |
CN103174818B (en) * | 2011-12-23 | 2016-02-10 | Ls美创有限公司 | The hydrostatic mechanical transmission of auto-manual auxiliary transmission is equipped with |
CN103047084A (en) * | 2012-12-22 | 2013-04-17 | 广州红鹰能源科技有限公司 | Umbrella-type wind power generating set and working method |
CN103047084B (en) * | 2012-12-22 | 2015-07-29 | 广州红鹰能源科技股份有限公司 | A kind of umbrella-shaped wind driven generator group and method of work |
Also Published As
Publication number | Publication date |
---|---|
DE102009037005A1 (en) | 2011-02-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160615 Address after: Germany Frederikshavn Patentee after: ZF Frederikshavn joint stock company Address before: Stuttgart, Germany Patentee before: Bosch GmbH Robert |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20160929 |
|
CF01 | Termination of patent right due to non-payment of annual fee |