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 PDF

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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
planet
driving
driven shaft
gear
Prior art date
Application number
CN2009201791550U
Other languages
Chinese (zh)
Inventor
T·乔夫楚格洛
Original Assignee
罗伯特.博世有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to DE102009037005.6 priority Critical
Priority to DE102009037005A priority patent/DE102009037005A1/en
Application filed by 罗伯特.博世有限公司 filed Critical 罗伯特.博世有限公司
Application granted granted Critical
Publication of CN201786999U publication Critical patent/CN201786999U/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H1/00Toothed gearings for conveying rotary motion
    • F16H1/28Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/46Systems consisting of a plurality of gear trains each with orbital gears, i.e. systems having three or more central gears
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D7/00Controlling wind motors
    • F03D7/02Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0204Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for orientation in relation to wind direction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D7/00Controlling wind motors
    • F03D7/02Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/022Adjusting aerodynamic properties of the blades
    • F03D7/0224Adjusting blade pitch
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/08General details of gearing of gearings with members having orbital motion
    • F16H57/082Planet carriers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00Function
    • F05B2260/40Transmission of power
    • F05B2260/403Transmission of power through the shape of the drive components
    • F05B2260/4031Transmission of power through the shape of the drive components as in toothed gearing
    • F05B2260/40311Transmission of power through the shape of the drive components as in toothed gearing of the epicyclic, planetary or differential type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00Function
    • F05B2260/70Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/79Bearing, support or actuation arrangements therefor
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind 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

The planet wheel driving mechanism of wind energy plant and pitch driver and azimuth driver
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.
Live axle 2 is as the sun gear of the planet wheel 20 on right side among the figure.Be provided with the sun gear 44,46 or 48 of about hollow cylinder for planet wheel 22,24 and 26, wherein they pass through annular end face slidably against each other, and the sun gear 44 on right side is supported on by annular end face on the end face of live axle 2 among the figure, and the sun gear 48 in left side is supported on the end face of driven shaft 4 by annular end face among the figure.
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.
Planetary wheel carrier 36,38 or 40 is fixed on the sun gear 44,46 or 48 of attaching troops to a unit by snap ring respectively in the axial direction.Planetary wheel carrier 42 is fixed on the driven shaft 4 by snap ring equally in the axial direction.
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.
Planet wheel 20,22,24 and 26 is by moving on engagement ground between the internal tooth 16 of internal gear 14 and the sun gear 44,46,48 of attaching troops to a unit at internal gear 14 fixing on the sense of rotation.On the way the left side is provided with output gear 60 on driven shaft 4, and its gear with the gondola that is used to rotate wind energy plant is in the effect engagement.
Planetary wheel carrier 36,38,40 and 42 and axle journal 28,30,32 or 34 integrally make by die forging.Thus, planetary wheel carrier 36,38,40,42 can be made inexpensively with axle journal 28,30,32 and 34 on the one hand, forms the extra heavy unit in addition on the one hand.After die forging, install the rolling bearing of attaching troops to a unit additional for axle journal 28 to 34, be used to support planet wheel 20 to 26.
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.
CN2009201791550U 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 CN201786999U (en)

Priority Applications (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

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009201791550U 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

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DE (1) DE102009037005A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP3502516A1 (en) * 2017-12-19 2019-06-26 Flender GmbH Planetary gear, drive train and wind turbine

Cited By (8)

* Cited by examiner, † Cited by third party
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
CN103062341B (en) * 2011-10-18 2016-04-13 吴小杰 Wind power constant brake yaw cycloid gear box
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
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
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

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C14 Grant of patent 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

C41 Transfer of patent application or patent right or utility model
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