CN101705916B - Transmission system of wind power generator - Google Patents

Transmission system of wind power generator Download PDF

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Publication number
CN101705916B
CN101705916B CN 200910227919 CN200910227919A CN101705916B CN 101705916 B CN101705916 B CN 101705916B CN 200910227919 CN200910227919 CN 200910227919 CN 200910227919 A CN200910227919 A CN 200910227919A CN 101705916 B CN101705916 B CN 101705916B
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CN
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Patent type
Prior art keywords
drive
hub
generator
sleeve
wind power
Prior art date
Application number
CN 200910227919
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Chinese (zh)
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CN101705916A (en )
Inventor
安连宝
梁新文
樊世耀
裴洪泽
闫焕景
Original Assignee
任晓明
山西省平遥减速器厂
梁新文
樊世耀
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Publication date
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS; PRODUCING MECHANICAL POWER; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D15/00Transmission of mechanical power
    • F03D15/20Gearless transmission, i.e. direct-drive
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS; PRODUCING MECHANICAL POWER; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D15/00Transmission of mechanical power
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS; PRODUCING MECHANICAL POWER; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D80/00Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/70Bearing or lubricating arrangements
    • 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 invention relates to a wind power generator, in particular to a transmission system of a wind power generator. The invention solves the problems of difficult maintenance, heavy weight, large deformation and easy damage caused by an unreasonable structure of the transmission system of the traditional wind power generator. The transmission system comprises a drive sleeve fixed on a cabin base, wherein at least one set of hub bearing is sleeved on an outer wall at one side of the drive sleeve, a hub with a brake is sleeved on an outer cylinder surface of the hub bearing , the hub is providedwith a blade, the other side of the drive sleeve is fixed with a drive mechanism, the drive sleeve is internally provided with a floating shaft, and two ends of the floating shaft are respectively connected with the hub and the drive mechanism. By improving the transmission system of the prior wind power generator, the invention not only has the advantages of convenient maintenance, light weight,high intensity, low error ratio, convenient installation and low cost, but also greatly improves the transmission performance, therefore, use requirements of blowers with different power levels are satisfied.

Description

风力发电机的传动系统 Wind turbine drive train

技术领域 FIELD

[0001] 本发明涉及风力发电机,具体为一种风力发电机的传动系统。 [0001] The present invention relates to a wind power generator, in particular to a wind turbine drive train. 背景技术 Background technique

[0002] 风力发电机是将风能转换为机械能的动力机械,现有风力发电机包括直驱式风机和普通风机,其传动系统包括安装在机舱底座上的轴承座,轴承座上固定有用于支撑主轴的轴承,主轴的一端固定有带有制动盘的轮毂,轮毂上装有叶片,直驱式风机的主轴的另一端连接有与机舱底座固定的直驱发电机,普通风机的主轴的另一端连接有主增速器且主增速器通过扭矩臂浮动安装于机舱底座上,主增速器的输出端连接有与机舱底座固定的普通发电机。 [0002] is a wind turbine converts wind power machine, the conventional wind power generator of mechanical energy comprises general direct drive wind turbine and the fan, which drive train includes a bearing housing mounted on the nacelle base, for supporting the bearing seat is fixed spindle bearing, one end of the main shaft is fixed to the wheel hub with the brake disc, the bladed hub, the other end of the main shaft direct drive wind turbine nacelle is connected to the fixed base direct drive generator, the other end of the common shaft fan connecting a main gearbox and the main gearbox through a floating torque arm mounted on the nacelle base end of the main gearbox output is connected to the nacelle fixed base ordinary generator. 风力发电机的传动系统的工作原理是利用风力带动叶片旋转,从而带动轮毂以及主轴进行旋转,主轴另一端连接的直驱发电机或间接连接的普通发电机在主轴带动下进行工作;风力发电机的传动系统中多数部件都与机舱底座联接,而且主轴不仅承受弯曲载荷而且承受扭矩载荷,这种结构设计导致传动系统存在维修难度大、重量重、变形大且易损坏的问题,为了克服此类问题,人们对风力发电机的传动系统进行各种改进,但仍不能从根本上解决上述问题。 Transmission works using wind power generator driven by the wind blades to rotate, thereby driving the rotation of the hub and the spindle, the other end of the direct drive shaft connected to a generator or indirectly connected to the common generator working at a spindle drive; wind generator most of the drive train components are coupled with the base of the nacelle, and the spindle is borne not only subjected to bending load and torque load, this design results in the presence of difficult maintenance, heavy weight, and large deformation problems easily damaged drive system, in order to overcome such question, people wind turbine drive train of a variety of improvements, but still not solve the problem fundamentally.

发明内容 SUMMARY

[0003] 本发明为了解决现有风力发电机的传动系统由于结构不合理导致维修难度大、重量重、变形大且易损坏的问题,提供了一种性能稳定的风力发电机的传动系统。 [0003] The transmission system of the present invention to solve the conventional wind power generator due to the structure caused by an irrational difficult maintenance, heavy weight, and large deformation easily damaged problem, a stable performance of the drive train of the wind turbine.

[0004] 本发明是采用如下技术方案实现的:风力发电机的传动系统,包括固定在机舱底座上的驱动套管,驱动套管的一侧外壁上套有至少一套轮毂轴承,轮毂轴承外圆柱面上套有带制动器的轮毂,轮毂上装有叶片,驱动套管的另一侧固定有驱动机构且驱动套管内设有浮动轴,浮动轴的两端分别与轮毂和驱动机构连接。 [0004] The present invention adopts the following technical solution: the drive train of the wind turbine, a nacelle comprising a base fixed to the drive sleeve, the side wall of the outer jacket of the drive sleeve with at least a hub bearing, the outer bearing hub a cylindrical surface with a brake cover has a hub, the hub carrying blades, the other side is fixed to the drive sleeve and a drive mechanism equipped with floating bushing driving shaft, both ends of the floating shaft are connected to the hub and the drive mechanism. 本发明所述的驱动机构为现有结构, 存在多种变形结构,为本领域技术人员容易实现的。 The drive mechanism according to the present invention is a conventional structure, there are various deformed structures, known to those of skill readily achieved. 工作时,风力带动叶片旋转,从而带动轮毂以及浮动轴进行旋转,与浮动轴连接的驱动机构在浮动轴的带动下工作,在此过程中, 由于浮动轴上不承受弯曲载荷,只用来承受扭矩载荷,而驱动套管只用来承受轮毂、驱动机构的弯曲载荷,不承受扭矩载荷,从而避免了现有风力发电机的传动系统维修难度大、重量重、变形大且易损坏的问题。 In operation, the blades rotate driven by the wind, so as to drive the hub and the floating shaft is rotated, the drive mechanism is connected to the floating shaft work of the floating shaft driven, in this process, since the floating shaft is not subjected to bending loads, is only subjected to torque load, the drive sleeve is only subjected to the hub, bending load drive mechanism, not subjected to torque load, thus avoiding the existing wind turbine drive train difficult maintenance, heavy weight, and large deformation problems easily damaged.

[0005] 驱动机构为直驱发电机,直驱发电机的定子与驱动套管通过轴承固定,直驱发电机的转子通过轴承支撑于驱动套管上,直驱发电机的转子与浮动轴一端连接,这样直驱发电机的转子由于浮动轴的作用实现转动,从而完成发电作业,而且结构可靠,不容易损坏。 One end of the rotor shaft and a floating [0005] The drive mechanism is a direct drive generator, a direct drive generator with a stator fixed to the drive sleeve via a bearing, a direct drive generator rotor is supported by a bearing on a drive sleeve, a direct drive generator connection, so that a direct drive generator rotor shaft due to the action of the floating effect rotation, thus completing the power generation operation, and reliable and is not easily damaged.

[0006] 驱动机构由其输入端与浮动轴一端连接的主增速器和其输入端与主增速器输出端连接的普通发电机组成,普通发电机的定子固定在机舱底座上,主增速器的机体固定在驱动套管上,浮动轴转动时通过主增速器将转速扩大,进而实现普通发电机的发电要求,而且主增速器与驱动套管刚性联接,解决了主增速器浮动安装变形大的问题。 [0006] The main gearbox by a drive mechanism and the input terminal of the floating shaft and connected at one end thereof to the main common generator input connected to the output growth composition, the stator of the generator is fixed to the common base of the nacelle, by the main body speed detector is fixed to the drive sleeve, the rotational speed of the main gearbox expanded, so as to realize the power requirements of the generator by rotating the common shaft floating, the growth rate and the primary drive sleeve rigidly coupled with, the main growth solution floating mount is deformed large.

[0007] 本发明通过对原有风力发电机的传动系统进行了改进,使得驱动套管和浮动轴分别承受弯曲载荷和扭矩载荷,而且主增速器与驱动套管刚性联接,不仅具有维修方便、重量轻、强度高且故障率低的优点,而且具有安装方便、成本低的优点,同时传动性能也得到了很好的改善,满足现有不同功率等级的风机的使用要求。 [0007] The invention of the original drive train of the wind turbine has been improved, so that the drive sleeve and the floating shaft are subjected to torque loads and bending loads, and the primary growth rate coupled with a rigid drive sleeve, not only easy maintenance , light weight, high strength and advantages of the failure rate, easy installation and low cost advantages, but also a good transmission performance improved to meet the existing requirements of different power levels of the fan.

附图说明 BRIEF DESCRIPTION

[0008] 图1为本发明所述风力发电机的传统系统的结构示意图; [0008] FIG. 1 is a schematic structure of a conventional system of the wind generator of the present invention;

[0009] 图2为本发明所述风力发电机的传统系统的另一种驱动机构的结构示意图。 [0009] Fig 2 a schematic structural diagram of another conventional driving mechanism of the present invention, the system of the wind turbine.

[0010] 图中:1-机舱底座,2-驱动套管,3-轮毂轴承,4-制动器,5-轮毂,6-浮动轴,7-直驱发电机,8-主增速器,9-普通发电机,10-支架,11-轴承。 [0010] FIG: 1- nacelle base drive sleeve 2-, 3- wheel bearings, brakes 4-, 5- hub, 6- floating shaft, direct drive generators 7-, 8- main gearbox, 9 - general generator, 10 bracket, 11 bearings.

具体实施方式 detailed description

[0011] 风力发电机的传动系统,包括固定在机舱底座1上的驱动套管2,驱动套管2的一侧外壁上套有至少一套轮毂轴承3,轮毂轴承3外圆柱面上套有带制动器4的轮毂5,轮毂5 上装有叶片,驱动套管2的另一侧固定有驱动机构且驱动套管2内设有浮动轴6,浮动轴6 的两端分别与轮毂5和驱动机构连接。 [0011] The wind turbine drive train, comprising a base fixed to the nacelle of a drive sleeve 2, an outer side wall of the drive sleeve sleeve 2 has at least a wheel hub bearing 3, the hub 3 bearing sleeve has an outer cylindrical surface 4 with brake wheel hub 5, a hub with blades 5, the other side of the sleeve 2 is fixed to the drive mechanism and the drive sleeve 2 equipped with floating drive shafts 6, 6 are two ends of the floating shaft and the hub 5 and the driving mechanism connection. 驱动机构为直驱发电机7,直驱发电机7的定子与驱动套管2通过轴承11固定,直驱发电机7的转子通过轴承11支撑于驱动套管2上,直驱发电机7的转子与浮动轴6 —端连接;驱动机构由其输入端与浮动轴6 —端连接的主增速器8和其输入端与主增速器8输出端连接的普通发电机9组成,普通发电机9的定子固定在机舱底座1上,主增速器8的机体固定在驱动套管2上。 Driving means for the direct drive generator 7, 7 direct drive generator 2 the stator and the drive sleeve 11 by means of a fixed bearing, a direct drive generator rotor 7 is supported through a bearing 11 on the drive sleeve 2, a direct drive generator 7 the rotor shaft 6 and the floating - terminal; drive mechanism from its input terminal and the floating shaft 6 - the main gearbox 8 and the common terminal connected to the input terminal of the main generator up gear 8 connected to the output terminal 9 that ordinary power stator 9 is fixed to the base 1 on the nacelle, gearbox main body 8 is fixed to the drive sleeve 2. 具体实施过程中,轮毂轴承3的数量为两个,这时驱动套管2所承受的径向力大大地减小,提高安全系数的同时节约了材料;浮动轴6的一端与轮毂5通过花键连接,浮动轴6的另一端与主增速器8的输入端或直驱发电机的转子均通过花键连接,驱动套管2与机舱底座1之间固定有支架10,驱动套管2的轴线与机舱底座所在的平面平行,直驱发电机7的定子与驱动套管2通过焊接实现固定或直接与驱动套管2连为一体。 Specific implementation, the number of wheel bearing 3 is two, then the driving force of the radial sleeve 2 is subjected is greatly reduced, improving the safety factor while saving material; floating shaft end of the hub 56 by the flowers bond, the other end of the input terminal of the floating main shaft 6 of the gearbox 8 or direct drive generator rotors by a splined connection, drive sleeve base 2 is fixed to the nacelle between a bracket 10, the drive sleeve 2 axis of the base plane is located parallel to the nacelle, direct drive generator stator 7 and the drive sleeve and the drive sleeve 2 is fixed directly or by welding two integrally connected.

Claims (3)

  1. 1. 一种风力发电机的传动系统,其特征在于:包括固定在机舱底座(1)上的驱动套管O),驱动套管(¾的一侧外壁上套有至少一套轮毂轴承(3),轮毂轴承(¾外圆柱面上套有带制动器的轮毂(5),轮毂(¾上装有叶片,驱动套管O)的另一侧固定有驱动机构且驱动套管O)内设有浮动轴(6),浮动轴(6)的两端分别与轮毂(¾和驱动机构连接。 1. A drive train for a wind turbine, wherein: the base comprises a drive sleeve fixed to the nacelle on the O (1)), the drive sleeve (¾ a side wall of the outer sleeve, at least a hub bearing (3 ), wheel bearings (¾ outer cylindrical surface of the sleeve has a hub with a brake (5), the other side of the hub (¾ bladed on, the drive sleeve O) is fixed to a drive mechanism and drive bushing O) equipped with floating shaft (6), both ends of the floating shaft (6) respectively (¾ and a drive mechanism connected to the hub.
  2. 2.根据权利要求1所述的风力发电机的传动系统,其特征在于:驱动机构为直驱发电机(7),直驱发电机(7)的定子与驱动套管O)固定,直驱发电机(7)的转子通过另一轴承(11)支撑于驱动套管(¾上,直驱发电机(7)的转子与浮动轴(6) —端连接。 The drive train of the wind generator of claim 1, wherein: the drive mechanism is a direct drive generator (7), a direct drive generator (7) and the drive sleeve stator O) is fixed, direct drive a generator rotor (7) by another bearing (11) supported on the drive sleeve (upper ¾, (6) direct drive generator (7) and the floating shaft rotor - terminal.
  3. 3.根据权利要求1或2所述的风力发电机的传动系统,其特征在于:轮毂轴承(3)的数量为两个。 3. The drive system of claim 12 or wind power generator according to claim, characterized in that: the number of wheel bearings (3) is two.
CN 200910227919 2009-11-27 2009-11-27 Transmission system of wind power generator CN101705916B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200910227919 CN101705916B (en) 2009-11-27 2009-11-27 Transmission system of wind power generator

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Application Number Priority Date Filing Date Title
CN 200910227919 CN101705916B (en) 2009-11-27 2009-11-27 Transmission system of wind power generator
PCT/CN2010/000578 WO2011063586A1 (en) 2009-11-27 2010-04-28 Transmission system of wind power generator

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CN101705916A true CN101705916A (en) 2010-05-12
CN101705916B true CN101705916B (en) 2011-07-20

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Publication number Priority date Publication date Assignee Title
JP5894890B2 (en) * 2012-09-06 2016-03-30 株式会社日立製作所 Wind power generation system, a method of assembling a wind power generation system or the inspection method of the wind power generation system,
CN104912720A (en) * 2014-03-14 2015-09-16 许界平 Floating-type blade power generation device

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ES2163362B1 (en) * 1999-11-29 2003-04-01 Ecotecnia Societat Cooperativa Aerogenerator.
DE10242707B3 (en) * 2002-09-13 2004-04-15 Aerodyn Engineering Gmbh Windenergieanlge with concentric gear / generator assembly
US7075192B2 (en) * 2004-04-19 2006-07-11 Northern Power Systems, Inc. Direct drive wind turbine
JP2006046107A (en) * 2004-08-02 2006-02-16 Yanmar Co Ltd Wind power generator

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WO2011063586A1 (en) 2011-06-03 application

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