CN106224450A - A kind of wind power yawing driving means containing Harmonic Gears - Google Patents
A kind of wind power yawing driving means containing Harmonic Gears Download PDFInfo
- Publication number
- CN106224450A CN106224450A CN201610574473.1A CN201610574473A CN106224450A CN 106224450 A CN106224450 A CN 106224450A CN 201610574473 A CN201610574473 A CN 201610574473A CN 106224450 A CN106224450 A CN 106224450A
- Authority
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- China
- Prior art keywords
- gear
- shaft
- supported
- jackshaft
- planet carrier
- 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
Links
- 239000007787 solid Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 17
- 238000010248 power generation Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
-
- 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
- F16H49/00—Other gearings
- F16H49/001—Wave gearings, e.g. harmonic drive transmissions
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of wind power yawing driving means containing Harmonic Gears, belong to technical field of wind power generation, including first order Harmonic Gears assembly and second level planetary drive, first order Harmonic Gears assembly includes flexible gear (3), rigid gear (2), wave producer (4) and power shaft (21), wave producer (4) is fixed with power shaft (21), being fixed with flexible gear (3) on wave producer (4), flexible gear (3) engages with rigid gear (2);Second level planetary drive includes that sun gear (17), planetary gear set (8), planet carrier (10), ring gear (9) and jackshaft (19), flexible gear (3) are fixed with jackshaft (19).This wind power yawing driving means has that volume is little, compact conformation, lightweight, stable drive, transmission accuracy high, bearing capacity is big, transmission efficiency high.
Description
Technical field
The invention belongs to technical field of wind power generation, be specifically related to a kind of wind power yawing containing Harmonic Gears and drive
Device.
Background technology
Wind-power electricity generation is one of new forms of energy of green non-pollution, quickly grows in the range of world in recent years.China's wind money
Source is enriched, and installed capacity of wind-driven power increases year by year and grows at top speed.Wind generating set yaw device is arranged on bottom cabin, by electricity
Machine drives cabin to rotate relative to pylon, it is achieved at utmost impeller is windward.Wind power yawing device directly influences wind-driven generator
Wind energy utilization.
Wind power yawing device mainly includes that dead axle column gear transmission, multi-stage planetary gear transmission, planetary gear pass at present
Move and dead axle column gear transmission, worm and gear and Planetary Gear Transmission etc..But, it is big, heavy to there is volume in above-mentioned yaw device
Amount weight, assembling difficulty, high in cost of production problem, have certain impact to cost of wind power generation.
The wind power yawing device improved mainly includes planetary gear train with a small tooth difference, cycloid pinwheel planetary gear transmission system etc..Few
The modification coefficient of differential teeth planetary transmission is big, pressure angle big, causes bearing pressure big, and output moment of torsion is restricted, and it is to output
The required precision of mechanism is the highest;The gear ratio of cycloid pinwheel planetary gear transmission system is big, efficiency is high, but processing technique is complicated, to work
Skill requires the highest with installation accuracy.
Summary of the invention
In order to solve the problems referred to above, the invention provides a kind of wind power yawing driving means containing Harmonic Gears,
This wind power yawing driving means has that volume is little, compact conformation, lightweight, stable drive, transmission accuracy high, bearing capacity is big, pass
Efficiency of movement high.
For achieving the above object, technical scheme is as follows:
A kind of wind power yawing driving means containing Harmonic Gears, including yaw motor and casing and output gear shaft
13, described casing includes flange frame 22, upper box 6, middle casing 18, lower box 11 and bottom end cover 12, yaw motor and flange frame
Between 22, between flange frame 22 and upper box 6, being fixedly connected with between upper box 6 and middle casing 18, described wind power yawing drives
Device also includes first order Harmonic Gears assembly and the second level planetary drive being installed on box house, its
In, described first order Harmonic Gears assembly includes flexible gear 3, rigid gear 2, wave producer 4 and power shaft 21, its
In, the top of power shaft 21 is connected with yaw motor output shaft, and is supported on flange frame 22 and jackshaft 19, wave producer 4
Being connected with power shaft 21, equipped with flexible gear 3 on the excircle of wave producer 4, flexible gear 3 engages with rigid gear 2, rigidity
Gear 2 is fixing with upper box 6 to be connected;Described second level planetary drive includes sun gear 17, planetary gear set 8, planet
Frame 10, ring gear 9 and jackshaft 19, wherein, ring gear 9 between middle casing 18 and lower box 11, middle casing 18 and internal tooth
It is fixedly connected with between circle 9 and between ring gear 9 and lower box 11;Sun gear 17 is connected with jackshaft 19, jackshaft 19
Apical support is on middle casing 18;Planetary gear set 8 is evenly distributed on the excircle of sun gear 17, and respectively with sun gear 17 and
Ring gear 9 engages, and multiple planetary gears 8 are supported on planet carrier 10, and planet carrier 10 is supported on lower box 11;Described flexible tooth
The bottom of wheel 3 is fixing with the top of jackshaft 19 to be connected, and power shaft 21 is supported on jackshaft 19;Described planet carrier 10 and output
Gear shaft 13 connects, and output gear shaft 13 is supported on lower box 11, and the bottom of output gear shaft 13 is fixedly connected with external gear
23。
The top of described jackshaft 19 is supported on middle casing 18 by midship shaft bearing 14.
Described planet carrier 10 is supported on lower box 11 by sleeve 16 and planet carrier bearing 15.
Described power shaft 21 is supported on jackshaft 19 by power shaft bottom bearing 5.
Described output gear shaft 13 is supported on lower box 11 by output gear axle bearing 20 and bottom end cover 12.
The beneficial effects of the present invention is:
1) structure innovation: the wind power yawing driving means containing Harmonic Gears of the present invention first should by harmonic gear
For wind power yawing device, overall structure novelty is unique, and gear teeth bearing capacity is big, and transmission accuracy and transmission efficiency are high.
2) volume is little: total number of parts of the wind power yawing driving means containing Harmonic Gears of the present invention is little, dress
Join the cycle short.
3) gear ratio is big: the wind power yawing driving means containing Harmonic Gears of the present invention uses Harmonic Gears
With the mode of Planetary Gear Transmission combination, the driftage being suitable for MW class wind turbine is slowed down.
4) the wind power yawing driving means volume containing Harmonic Gears of the present invention is little, compact conformation, lightweight, effect
Rate is high.
5) the wind power yawing driving means that the present invention contains Harmonic Gears uses bearings, effectively solves wind
The vertical support problem of power machine yaw device decelerator intraware.
Accompanying drawing explanation
Fig. 1 is the structural representation of the wind power yawing driving means containing Harmonic Gears of the present invention.Reference
Explanation
1 power shaft top bearing
2 rigid gears
3 flexible gears
4 wave producers
5 power shaft bottom bearings
6 upper boxes
7 planet wheel spindles
8 planetary gear set
9 ring gears
10 planet carriers
11 lower boxes
12 bottom end covers
13 output gear shafts
14 midship shaft bearings
15 planet carrier bearings
16 sleeves
17 sun gears
Casing in 18
19 jackshafts
20 output gear axle bearings
21 power shafts
22 flange frame
23 external gears
Detailed description of the invention
Below in conjunction with the accompanying drawings, the detailed description of the invention of the present invention is described in further detail.
As it is shown in figure 1, the wind power yawing driving means containing Harmonic Gears of the present invention includes in yaw motor figure
Not shown), casing, the first order Harmonic Gears assembly being installed on box house and second level planetary drive,
Output gear shaft 13.
Described casing includes flange frame 22, upper box 6, middle casing 18, lower box 11 and bottom end cover 12, and yaw motor passes through
Bolt and flange frame 22 is fixing to be connected, and flange frame 22 and upper box 6 are fixed by screw and be connected, upper box 6 and middle casing 18 it
Between be bolted to connection.
Described first order Harmonic Gears assembly includes flexible gear 3, rigid gear 2, wave producer 4 and power shaft
21, wherein, the top of power shaft 21 is connected with yaw motor output shaft by key, and is supported on by power shaft top bearing 1
In flange frame 22, wave producer 4 is connected with power shaft 21 by key, equipped with flexible gear 3 on the excircle of wave producer 4, soft
Property gear 3 engage with rigid gear 2, rigid gear 2 is fixed with upper box 6 by screw and is connected.
Described second level planetary drive includes sun gear 17, includes the planetary gear set 8 of multiple planetary gear, planet
Frame 10, ring gear 9 and jackshaft 19, wherein, ring gear 9 between middle casing 18 and lower box 11, middle casing 18 and internal tooth
All it is bolted to connection between circle 9 and between ring gear 9 and lower box 11;Sun gear 17 is by spline and jackshaft 19
Connecting, the top of jackshaft 19 is supported on middle casing 18 by midship shaft bearing 14;Planetary gear set 8 is evenly distributed on sun gear
The excircle of 17, and engage with sun gear 17 and ring gear 9 respectively, multiple planetary gears 8 are supported on by planetary gear axle 7
On planet carrier 10, planet carrier 10 is supported on lower box 11 by sleeve 16 and planet carrier bearing 15.
The bottom of described flexible gear 3 is connected by bolt is fixing with the top of jackshaft 19, and power shaft 21 is by input
Axle bottom bearing 5 is supported on jackshaft 19.
Described planet carrier 10 is connected with output gear shaft 13 by spline, and output gear shaft 13 is by output gear axle bearing
20 and bottom end cover 12 be supported on lower box 11, the bottom of output gear shaft 13 is fixedly connected with external gear 23, output gear shaft
13 with external gear 23 be overall structure.
The wind power yawing driving means containing Harmonic Gears of the present invention is divided into first order Harmonic Gears and
Secondary planetary gear transmission two-stage transmission, is provided power resources by yaw motor, and its work process is as follows:
Yaw motor output shaft is by power shaft 21 by incoming for power first order Harmonic Gears assembly, and power shaft 21 carries
Dynamic wave producer 4 produces movement and deformation ripple, and the flexible gear 3 of first order Harmonic Gears assembly is as first order harmonic gear
Power is passed to the jackshaft 19 of second level planetary drive by the output of transmission by bolt.
Power is passed to sun gear 17 by spline by jackshaft 19, and is further driven to planetary gear set 8 and rotates, planetary gear set
8 drive planet carrier 10 to rotate, and power is passed to defeated as the output of second level Planetary Gear Transmission by spline by planet carrier 10
Going out gear shaft 13 and be further driven to external gear 23 and rotate, external gear 23 engages with the big internal gear being positioned at bottom cabin, completes
Yaw maneuver.
Claims (5)
1. containing the wind power yawing driving means of Harmonic Gears, including yaw motor and casing and output gear shaft
(13), described casing includes flange frame (22), upper box (6), middle casing (18), lower box (11) and bottom end cover (12), driftage
Between motor and flange frame (22), between flange frame (22) and upper box (6), the most solid between upper box (6) and middle casing (18)
Fixed connection, it is characterised in that:
Described wind power yawing driving means also includes first order Harmonic Gears assembly and the second level being installed on box house
Planetary drive, wherein,
Described first order Harmonic Gears assembly includes flexible gear (3), rigid gear (2), wave producer (4) and power shaft
(21), wherein, the top of power shaft (21) is connected with yaw motor output shaft, and is supported on flange frame (22) and jackshaft (19)
On, wave producer (4) is connected with power shaft (21), equipped with flexible gear (3), flexible gear on the excircle of wave producer (4)
(3) engaging with rigid gear (2), rigid gear (2) is fixing with upper box (6) to be connected;
Described second level planetary drive includes sun gear (17), planetary gear set (8), planet carrier (10), ring gear (9)
With jackshaft (19), wherein, ring gear (9) is positioned between middle casing (18) and lower box (11), middle casing (18) and ring gear
(9) it is fixedly connected with between and between ring gear (9) and lower box (11);Sun gear (17) is connected with jackshaft (19), in
The apical support of countershaft (19) is on middle casing (18);Planetary gear set (8) is evenly distributed on the excircle of sun gear (17), and
Engaging with sun gear (17) and ring gear (9) respectively, multiple planetary gears (8) are supported on planet carrier (10), planet carrier (10)
It is supported on lower box (11);
The bottom of described flexible gear (3) is fixing with the top of jackshaft (19) to be connected, and power shaft (21) is supported on jackshaft
(19) on;
Described planet carrier (10) is connected with output gear shaft (13), and output gear shaft (13) is supported on lower box (11), output
The bottom of gear shaft (13) is fixedly connected with external gear (23).
It is the most according to claim 1, it is characterised in that:
The top of described jackshaft (19) is supported on middle casing (18) by midship shaft bearing (14).
It is the most according to claim 1, it is characterised in that:
Described planet carrier (10) is supported on lower box (11) by sleeve (16) and planet carrier bearing (15).
It is the most according to claim 1, it is characterised in that:
Described power shaft (21) is supported on jackshaft (19) by power shaft bottom bearing (5).
It is the most according to claim 1, it is characterised in that:
Described output gear shaft (13) is supported on lower box (11) by output gear axle bearing (20) and bottom end cover (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610574473.1A CN106224450A (en) | 2016-07-20 | 2016-07-20 | A kind of wind power yawing driving means containing Harmonic Gears |
Applications Claiming Priority (1)
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CN201610574473.1A CN106224450A (en) | 2016-07-20 | 2016-07-20 | A kind of wind power yawing driving means containing Harmonic Gears |
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CN201610574473.1A Pending CN106224450A (en) | 2016-07-20 | 2016-07-20 | A kind of wind power yawing driving means containing Harmonic Gears |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111536206A (en) * | 2020-06-04 | 2020-08-14 | 三门台力电机有限公司 | Flexible internal tooth precision planetary reducer |
WO2020244188A1 (en) * | 2019-06-05 | 2020-12-10 | 珠海格力电器股份有限公司 | Harmonic speed reducer and wave generator assembly thereof |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090058094A1 (en) * | 2007-08-27 | 2009-03-05 | General Electric Company | Integrated Medium-Speed Geared Drive Train |
CN101624968A (en) * | 2008-07-10 | 2010-01-13 | 上海翌威科技有限公司 | Wind-energy generating harmonic driving wind direction tracking mechanism |
CN101649816A (en) * | 2009-09-01 | 2010-02-17 | 江苏泰隆减速机股份有限公司 | Wind-power generating yaw speed reducer |
CN102878252A (en) * | 2012-10-24 | 2013-01-16 | 银川威力减速器有限公司 | Yawing speed reducer for marine wind power generation |
CN103659701A (en) * | 2013-10-25 | 2014-03-26 | 浙江吉利控股集团有限公司 | Electric wrench |
-
2016
- 2016-07-20 CN CN201610574473.1A patent/CN106224450A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090058094A1 (en) * | 2007-08-27 | 2009-03-05 | General Electric Company | Integrated Medium-Speed Geared Drive Train |
CN101624968A (en) * | 2008-07-10 | 2010-01-13 | 上海翌威科技有限公司 | Wind-energy generating harmonic driving wind direction tracking mechanism |
CN101649816A (en) * | 2009-09-01 | 2010-02-17 | 江苏泰隆减速机股份有限公司 | Wind-power generating yaw speed reducer |
CN102878252A (en) * | 2012-10-24 | 2013-01-16 | 银川威力减速器有限公司 | Yawing speed reducer for marine wind power generation |
CN103659701A (en) * | 2013-10-25 | 2014-03-26 | 浙江吉利控股集团有限公司 | Electric wrench |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020244188A1 (en) * | 2019-06-05 | 2020-12-10 | 珠海格力电器股份有限公司 | Harmonic speed reducer and wave generator assembly thereof |
CN111536206A (en) * | 2020-06-04 | 2020-08-14 | 三门台力电机有限公司 | Flexible internal tooth precision planetary reducer |
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PB01 | Publication | ||
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Application publication date: 20161214 |