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 PDF

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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
CN
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
Application number
CN201610574473.1A
Other languages
Chinese (zh)
Inventor
唐新姿
孙松峰
彭锐涛
姜永硕
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Xiangtan University
Original Assignee
Xiangtan University
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
Application filed by Xiangtan University filed Critical Xiangtan University
Priority to CN201610574473.1A priority Critical patent/CN106224450A/en
Publication of CN106224450A publication Critical patent/CN106224450A/en
Pending legal-status Critical Current

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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
    • F16H1/32Toothed 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
    • 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
    • F16H49/00Other gearings
    • F16H49/001Wave gearings, e.g. harmonic drive transmissions
    • 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
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/023Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • 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
    • 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
    • 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
    • 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

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  • 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

A kind of wind power yawing driving means containing Harmonic Gears
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).
CN201610574473.1A 2016-07-20 2016-07-20 A kind of wind power yawing driving means containing Harmonic Gears Pending CN106224450A (en)

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Application Number Priority Date Filing Date Title
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)

Application Number Priority Date Filing Date Title
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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Cited By (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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Application publication date: 20161214