WO2011006436A1 - 加强型风力发电机 - Google Patents

加强型风力发电机 Download PDF

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Publication number
WO2011006436A1
WO2011006436A1 PCT/CN2010/075162 CN2010075162W WO2011006436A1 WO 2011006436 A1 WO2011006436 A1 WO 2011006436A1 CN 2010075162 W CN2010075162 W CN 2010075162W WO 2011006436 A1 WO2011006436 A1 WO 2011006436A1
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WO
WIPO (PCT)
Prior art keywords
impeller
blade
central shaft
fixed
vane
Prior art date
Application number
PCT/CN2010/075162
Other languages
English (en)
French (fr)
Inventor
戚永维
Original Assignee
Qi Yongwei
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 Qi Yongwei filed Critical Qi Yongwei
Publication of WO2011006436A1 publication Critical patent/WO2011006436A1/zh

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Classifications

    • 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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/0608—Rotors characterised by their aerodynamic shape
    • 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
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/706—Application in combination with an electrical generator
    • F05B2220/7066—Application in combination with an electrical generator via a direct connection, i.e. a gearless transmission
    • 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
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/21—Rotors for wind turbines
    • F05B2240/221—Rotors for wind turbines with horizontal axis
    • F05B2240/2211—Rotors for wind turbines with horizontal axis of the multibladed, low speed, e.g. "American farm" 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

Definitions

  • the invention relates to a reinforced wind power generation device, in particular to a sturdy and efficient reinforced wind power generator with an ultra-large impeller, which is suitable for various wind power generation places.
  • wind power-powered large-scale wind power generation devices are mostly provided with blades on the conventional hub or between the central shaft and the rim.
  • Such a power generating device has fewer blades, so the wind force is applied to the overall impeller. As small, the efficiency is naturally low.
  • Both impeller structures have the disadvantages of less blade support points and poor mechanical strength.
  • the blades are easily bent and damaged when subjected to strong winds. It is not suitable for a large-scale power generation device, so improvement of the above-mentioned wind power generation device has become a subject of general research by those skilled in the art.
  • the inventors have designed an anti-high wind wind power generator with a patent publication number C 100467862C.
  • the two ends of the blade of the generator impeller group are directly fixed on the central bushing and the transmission ring gear, but the blade support is small.
  • Easy to break there are shortcomings of insufficient self-protection ability, especially for ultra-large blades.
  • the overall air hood does not consider the middle and lower wind balance on the impeller, which is difficult to implement for the mainframe, so the patent still exists. Defects that are resistant to strong winds. Because there are fewer blade protection technologies and poor resistance to strong winds, in areas with high wind power, especially in China's coastal areas, Xinjiang's Sanlifengkou and Bailifeng District, the most abundant wind resources are large. Wind turbines are difficult to stand on. This destructive strong wind can easily damage the blade, so making the blade stronger and bigger is the key to solving the problem.
  • Wind wheel for generating electric energy discloses a wind power generating device, the blade is fixed between the central hub and the outer ring gear, and is connected to the gear hole through the driving shaft to engage the connecting hole, and is connected to A generator mounted on the platform.
  • the structure of the machine is complicated.
  • the disadvantage is that the gear ratio can be adjusted by a single adjustment of the drive shaft and the size of the shaft gear regardless of the outer ring gear.
  • the transmission ratio adjustment range is limited by the structure.
  • the second disadvantage is that the blade of the machine is fixed between the central hub and the outer ring gear. The blade has fewer support points and is easy to be broken. When there is strong wind, there is no pitch function.
  • Solution 1 The ring gear outer ring is another The annular bracket carries a plurality of external generators, the generator teeth directly mesh with the external ring gear to drive the external generator, and the blades are disposed between the central generator shaft and the outer ring gear.
  • Solution 2 The difference from the scheme 1 is external The ring gear is changed to the copper wire winding to generate electric energy through the U-shaped magnet.
  • Both solutions are based on the central axis and the outer ring gear or similar Blades are provided between the copper wire windings of the outer ring gear, and the small blades are not sufficient to drive the multiple bulk generators of the first scheme and the bulky copper wire windings of the second scheme.
  • Disadvantage 3 The overall ring gear of the first scheme and the overall copper wire winding of the second scheme are inconvenient to transport, and it is inconvenient to manufacture on site, which is difficult to implement. All of the above three patents have different degrees of mechanical strength, difficulty in implementation, and poor practicality. The above three patents are not suitable for large-scale wind turbines, according to the principle that the longer the torque of the blade is, the more the power generation capacity is doubled, the larger the capacity of the single machine is, and the lower the power generation cost is. [Summary of the Invention]
  • the object of the present invention is to provide a reinforced wind power generator which is simple, reasonable, safe and reliable.
  • the problem of poor mechanical strength, difficult implementation and poor practicability of the existing large-scale wind turbines is fundamentally solved, and the blade is evenly stressed, which prolongs the service life of the whole machine. It can be assembled on site, easy to implement, wide speed range and no gearbox required.
  • the reinforced wind power generator comprises a rotary table platform, an impeller assembly assembled thereon, and a hood, wherein the technical point is: the two ends of the central shaft of the impeller assembly are assembled by bearings and bearing blocks.
  • a central shaft bracket disposed on the rotary table, the blade root of the impeller group is fixed on a blade connecting sleeve on the central shaft, and the blade tip is fixed on a rim of the impeller group.
  • a middle portion of the blade is fixed to the transmission support ring disposed between the central shaft and the rim, and a diagonal cable fixing plate fixed with a stay cable is respectively disposed on two sides of the blade connection sleeve on the central shaft, and the inclined
  • the other end of the cable is fixed to the rim through the transmission support ring, and the blade is additionally provided with a blade stay cable connected to the cable stay fixing plate, the rotary table platform
  • An impeller support frame supporting the impeller group is fixedly mounted.
  • the air hood is disposed in a semi-funnel shape at a middle and a lower front portion of the impeller group.
  • the rim of the impeller group, the transmission support ring, the blade and the impeller support frame are all segmented and combined structures.
  • a sub-blade is disposed between the transmission support ring and the rim.
  • the impeller support frame is respectively provided with a plurality of generators with drive wheels and a plurality of lighter support wheels as support points of the impeller group, and the support wheels and the generator drive wheels respectively and the transmission support The sides of the ring are in close contact.
  • the bottom of the bearing housing is provided with an oil draining hole, and the upper part is provided with an oil filling hole, and a sealing ring is arranged between the two axial holes of the bearing seat and the central shaft.
  • the impeller of the present invention adopts a stay cable structure, specifically, a stay cable fixing disc with a stay cable fixed on a central axis of the impeller group, and another stay cable
  • a stay cable fixing disc with a stay cable fixed on a central axis of the impeller group
  • another stay cable One end of the drive support ring between the central shaft and the rim is fixed with the rim, and at the same time, a blade stay cable is further connected with the cable stay fixing plate, and the transmission support ring and the blade are inclined Cables and stay cables add different fulcrums to the impeller, which obviously enhances the bearing capacity of the impeller, making the blade difficult to bend and break, providing a safety technical guarantee for the manufacture of large impellers.
  • the problem of poor mechanical strength of existing large wind turbines is determined.
  • the semi-funnel-shaped air hood can balance the middle and lower winds on the impeller, solve the problem of blade jitter and noise caused by the uneven force of the upper and lower blades due to the different positions of the blades, which is environmentally friendly and prolongs the service life of the whole machine. .
  • Large parts such as rims and blades can be manufactured in sections, segmented and assembled on site, thus solving the problem of difficult implementation and poor practicality of existing wind turbines, which is easy to implement.
  • the impeller support frame is respectively provided with a plurality of generators, and the transmission wheel of the generator is driven by the transmission support ring through the transmission support ring as the fulcrum of the impeller group, and the power is transmitted to the generator to achieve the purpose of power generation.
  • the impeller support frame is provided with a plurality of lighter support wheels as support points for the impeller group. Since the transmission support ring of the invention can be enlarged or reduced, it is not necessary to adjust the size of the generator transmission wheel, and the transmission support ring and the generator transmission wheel are adjusted according to the speed adjustment, so the speed adjustment range of the machine is wide without the gearbox.
  • Figure 1 is a schematic view of a specific structure of the present invention
  • FIG. 2 is a schematic structural view of an impeller group of the present invention
  • Fig. 3 is a schematic view showing the structure of another impeller group of the present invention.
  • the serial number in the figure shows: 1 center shaft, 2 bearing, 3 stay cable fixing plate, 4 blades, 5 rims, 6 stay cables, 7 blade stay cables, 8 drive support rings, 9 support wheels, 10 impeller support frames , 11 blade connection sleeve, 12 generators, 13 turntable platform, 14 air hood, 15 center shaft bracket, 16 reinforced sleeve, 17 blades.
  • the machine is composed of a rotary table 13 and a semi-funnel-shaped collecting hood 14 , an impeller group, a central shaft bracket 15 , an impeller support frame 10 and the like which are arranged on the platform.
  • the carousel platform 13 can be placed directly on the base of a high-rise building, or it can be placed on land and at sea using pillars.
  • the carousel platform 13 is provided with a yaw motor (not shown) and rolling elements, which can be adjusted in direction as the wind direction changes. Impeller group by rim 5, blade
  • transmission support ring 8, impeller support frame 10 and blade 4 can be manufactured in sections, segmented transportation, on-site combination.
  • the two ends of the central shaft 1 are assembled on the central shaft bracket 15 by using the bearing 2 and the bearing housing.
  • the bearing 2 and the bearing housing are oil-containing, the oil drain hole is arranged at the center of the bottom of the bearing housing, and the oil filling hole is provided at the upper part, and both holes are provided. Threads and bolts, a seal ring is arranged between the two shaft holes of the bearing seat and the central shaft 1, and the oil drain hole, the oil hole and the seal ring are not shown.
  • the blade 4 is fixed to the blade connecting sleeve 1 1 , and the tip of the blade 4 is fixed to the rim 5 , and the middle portion of the blade 4 is fixed to the transmission support ring 8 disposed between the central shaft 1 and the rim 5 .
  • a stay cable 6 is disposed between the stay cable fixing plate 3 and the rim 5, that is, the stay cable fixing plates 3 to which the stay cables 6 are fixed are respectively disposed on both sides of the blade joint sleeve 11 of the center shaft 1, and the cable stays The other end of the cable 6 is fixed to the rim 5 through the transmission support ring 8, and the stay cable 6 partially penetrates the blade 4.
  • the blade 4 is additionally provided with a blade stay cable 7 which is also connected to the stay cable fixing plate 3.
  • an impeller support frame 10 supporting the impeller group is fixedly mounted.
  • the impeller support frame 10 is provided with a plurality of generators 12, and the generator transmission wheel and the plurality of lighter support wheels 9 are used as support points of the impeller group, and the support wheels 9 and the generator transmission wheels are in close contact with the sides of the transmission support ring 8, respectively.
  • the support wheel and the generator drive wheel transmit power to the generator to achieve power generation while supporting the impeller group.
  • the impeller assembly of the present invention can have two embodiments: First, as shown in FIG. 2, the blade root of the blade 4 is fixed on the blade connecting sleeve 11, and the blade is fixed with the transmission support ring 8 and the stay cable 6 The tip of the blade is fixed to the rim 5, and a part of the stay cable 6 is set in the reinforcing sleeve 16; Scheme 2, as shown in FIG. 3, is different from the first scheme in that the transmission support ring 8 and the rim 5 are A sub blade 17 is provided.
  • the stay cable 6 can be arranged by bicycle spokes or a Ferris wheel stay cable.

Description

加强型风力发电机
【技术领域】
本发明涉及一种加强型风力发电装置， 特别是一种坚固高效的具有超大型叶轮的加强 型风力发电机， 适用于多种风力发电场所。
【背景技术】
目前广泛应用的以风能为动力的大型风力发电装置， 大多采用传统轮毂上设置叶片或 中心轴与轮缘之间设置叶片， 这样的发电装置叶片少， 所以对整体叶轮而言， 风的受力就 小， 效率自然就低， 这两种叶轮结构均存在叶片支点少， 机械强度差的缺点， 要想通过大 幅度增加叶片长度来提高发电效率， 在遭遇强风时叶片就会很容易弯曲折损， 不适合大型 发电装置， 故对上述风力发电装置的改进成为本领域技术人员普遍研究的对象。
本发明人曾设计一种专利公告号为 C 100467862C的抗强风风力发电机， 该发电机叶 轮组采用的叶片的两端分别直接固定在中心轴套与传动齿圈上， 但其叶片支撑少， 易折损， 存在自我保护能力不足的缺点， 尤其对超大型叶片没有有效的保护措施， 同时整体导风罩 没有考虑叶轮上中下风力平衡， 对于大型机很难具体实施， 所以该专利依然存在抗强风能 力不足的缺陷。 由于对于叶片保护技术较少， 抗破坏性强风能力较差， 所以在风力大的地 区， 尤其是我国沿海地区、 新疆三十里风口、 百里风区这种风力资源最为丰富的地区， 超 大型风力发电机难以立足。 这种破坏性强风很容易损坏叶片， 因此将叶片做强做大是解决 问题的关键。
公开号为 UB005765990A的 "WI\D WEB_ FCR "Π-Ε CBW\T1 CM CF Β_Β7ΉΙ G^L B\ER3T
(用于产生电能的风轮）公开了一套风力发电装置， 该机叶片固定于中心毂与外齿圈之间， 并通过驱动轴盘接入连接孔， 与齿轮结构法兰啮合， 连接至安装于平台上的发电机。 该机 结构复杂， 缺点在于无论外齿圈大或小只能通过单一调整驱动轴、 轴盘齿轮大小来调整传 动比， 其传动比调整范围受结构局限。 缺点二在于该机叶片固定于中心毂与外齿圈之间， 叶片支撑点少， 易折损， 在强风时又无变桨功能， 这样的叶片安装结构只能适用中小型， 对于大型或超大型机不足已承受强风冲击。 缺点三是整体齿圈不适应大型化， 不便运输， 齿圈更不便现场制造， 所以实施困难。 专利公开号为 CE20213062U1的 "WISDW ANL E M T KCMBI N EFBTOsl SvSTBVBM ZUR ENER3 B /VN\LN3T (包含可组合装置的能源获取风 力设备）公开了两种实施方案。 方案一： 齿圈式外环由另一环状支架承载多个外置发电机， 发电机轮齿直接啮合与外齿圈带动外置发电机， 叶片设置于中心发电机轴与外齿圈之间。 方案二： 与方案一区别在于外齿圈变更为铜线绕组通过 U型磁铁产生电能。 但该专利仍存 在着传动比调整范围受结构局限这一缺欠。 二种方案均是以中心轴分别与外齿圈或类似于 外齿圈的铜线绕组之间设置叶片， 小型叶片不足以带动方案一的多个发电机及方案二的整 体笨重铜线绕组。 若加大加长叶片， 但支点少， 在强风时又无变桨功能和其它有效措施就 很容易使叶片折损变形。缺点三： 方案一的整体齿圈以及方案二的整体铜线绕组不便运输， 更不便现场制造， 实施难度较大。 上述三个专利均不同程度的存在着机械强度差、 实施难 度大、 实用性差的问题。 根据叶片越长扭矩越大， 叶片长度每增加 20% 发电能力提高一 倍， 单机容量越大， 发电成本越低这一原理， 以上三个专利均不适应大型风力发电机。 【发明内容】
本发明的目的是为了提供一种结构简单合理、 安全可靠的加强型风力发电机。 从根本 上解决了现有大型风力发电机存在的机械强度差、 实施难度大、 实用性差的问题， 同时其 叶片受力均勾， 延长了整机的使用寿命。 可现场组装， 便于实施， 调速范围宽且无需变速 箱。
本发明的技术方案是： 该加强型风力发电机包括转盘式平台和组装其上的叶轮组、 聚 风罩， 其技术要点是： 所述叶轮组的中心轴两端利用轴承、 轴承座组装在所述转盘式平台 上设置的中心轴支架上， 所述叶轮组的叶片根部固定在所述中心轴上的叶片连接套上， 所 述叶片尖部固定在所述叶轮组的轮缘上， 所述叶片中部固定于所述中心轴与所述轮缘之间 设置的传动支撑圈， 所述中心轴上的叶片连接套两侧分别设置固定有斜拉索的斜拉索固定 盘， 所述斜拉索的另一端穿过所述传动支撑圈与所述轮缘固定在一起， 所述叶片上另设有 叶片斜拉索与所述斜拉索固定盘连接在一起， 所述转盘式平台上固定安装有支撑着所述叶 轮组的叶轮支撑架。
所述聚风罩呈半漏斗形设置于所述叶轮组前方中下部。
所述叶轮组的轮缘、 传动支撑圈、 叶片和叶轮支撑架均为分段组合式结构。
部分所述斜拉索外部套装着加固套管。
所述传动支撑圈与所述轮缘之间设有副叶片。
所述叶轮支撑架分别设有多个带传动轮的发电机和多个较轻的支撑轮作为所述叶轮 组的支撑点， 所述支撑轮和所述发电机传动轮分别与所述传动支撑圈侧面紧密接触。
所述轴承座底部设有排油孔， 上部设有注油孔， 所述轴承座的两个轴孔与所述中心轴 之间设有密封圈。
本发明的优点及所产生的积极的技术效果是：由于本发明叶轮采用斜拉索结构， 具体 是叶轮组的中心轴上设置固定有斜拉索的斜拉索固定盘，斜拉索的另一端穿过中心轴与轮 缘之间的传动支撑圈与轮缘固定在一起， 同时叶片上还另设有叶片斜拉索与斜拉索固定盘 连接在一起， 则传动支撑圈、 叶片斜拉索、 斜拉索为叶轮增加了不同支点， 明显增强了叶 轮的承受能力， 使叶片不易弯曲折损， 为大型叶轮制造提供了安全技术保障， 从根本上解 决了现有大型风力发电机存在的机械强度差的问题。 半漏斗形的聚风罩可使叶轮上中下风 力均衡， 解决了因叶片所处位置不同， 上下叶片受力不均所产生的叶片抖动和噪音的问题， 既环保又延长了整机使用寿命。 轮缘及叶片等大型部件均可分段制造， 分段运输， 现场组 合， 因此解决了现有风力发电机实施难度大， 实用性差的问题， 便于实施。 另外， 叶轮支 撑架分别设有多个发电机， 发电机上传动轮通过传动支撑圈作为叶轮组支点的同时在传动 支撑圈带动下转动并将动力传送给发电机以此达到发电的目的。 叶轮支撑架设有多个较轻 的支撑轮做为叶轮组的支撑点。 由于本发明传动支撑圈可放大或缩小， 所以无须单一调整 发电机传动轮大小， 根据调速所需调整传动支撑圈和发电机传动轮大小， 所以本机调速范 围宽无需变速箱。
【附图说明】
结合附图对本发明作进一步说明。
图 1是本发明的一种具体结构示意图；
图 2是本发明的一种叶轮组结构示意图；
图 3是本发明的另一种叶轮组结构示意图。
图中序号说明： 1 中心轴、 2轴承、 3斜拉索固定盘、 4叶片、 5轮缘、 6斜拉索、 7 叶片斜拉索、 8传动支撑圈、 9支撑轮、 10叶轮支撑架、 11 叶片连接套、 12发电机、 13 转盘式平台、 14聚风罩、 15中心轴支架、 16加固套管、 17副叶片。
【具体实施方式】
根据图 1- 3详细描述本发明的具体结构。 该机由转盘式平台 13及设置在该平台上的 呈半漏斗形的聚风罩 14、 叶轮组、 中心轴支架 15、 叶轮支撑架 10等组成。 转盘式平台 13可直接设在高层建筑基座之上， 也可利用支柱设置于陆地及海上。 转盘式平台 13设有 偏航电动机 （图中未示出） 及滚动体， 可随风向变化而调整方向。 叶轮组由轮缘 5、 叶片
4、 中心轴 1、 设置在中心轴 1上的叶片连接套 1 1、 斜拉索斜拉索固定盘 3等组成， 轮缘
5、 传动支撑圈 8、 叶轮支撑架 10以及叶片 4均可分段制造， 分段运输， 现场组合。 中心 轴 1两端利用轴承 2和轴承座组装在中心轴支架 15上， 轴承 2和轴承座为含油型， 轴承 座底部中心位置设有排油孔， 上部设有注油孔， 两孔均设有螺纹及螺栓， 轴承座的两个轴 孔与中心轴 1之间设有密封圈， 排油孔、 注油孔、 密封圈图中未示出。
叶片 4根部固定在叶片连接套 1 1上， 叶片 4尖部固定在轮缘 5上， 叶片 4中部固定 于中心轴 1与轮缘 5之间设置的传动支撑圈 8上。 斜拉索固定盘 3与轮缘 5之间设有斜拉 索 6， 即固定有斜拉索 6的斜拉索固定盘 3分别设置在中心轴 1 的叶片连接套 11两侧， 而斜拉索 6的另一端穿过传动支撑圈 8与轮缘 5固定在一起， 斜拉索 6部分贯穿了叶片 4。 为了加强支撑， 叶片 4上另设有叶片斜拉索 7也与斜拉索固定盘 3连接在一起。 在叶轮组 后方， 固定安装有支撑着叶轮组的叶轮支撑架 10。 叶轮支撑架 10设有多个发电机 12， 利 用发电机传动轮和多个较轻的支撑轮 9作为叶轮组的支撑点， 支撑轮 9和发电机传动轮分 别与传动支撑圈 8侧面紧密接触。 支撑轮与发电机传动轮在支撑叶轮组的同时， 将动力传 送给发电机以达到发电的目的。
本发明的叶轮组可有两种实施方案： 方案一， 如图 2所示， 叶片 4的叶根固定于叶片 连接套 11上， 叶中与传动支撑圈 8和斜拉索 6固定在一起， 叶尖固定于轮缘 5， 且部分 斜拉索 6套装于加固套管 16内； 方案二， 如图 3所示， 与方案一的不同之处在于， 传动 支撑圈 8与轮缘 5之间设有副叶片 17。 图中斜拉索 6可按自行车辐条或摩天轮斜拉索编 排均可。

Claims

权 利 要 求
1、 一种加强型风力发电机， 包括转盘式平台和组装其上的叶轮组、 聚风罩， 其特征 在于：所述叶轮组的中心轴两端利用轴承、轴承座组装在所述转盘式平台上设置的中心轴 支架上，所述叶轮组的叶片根部固定在所述中心轴上的叶片连接套上，所述叶片尖部固定 在所述叶轮组的轮缘上，所述叶片中部固定于所述中心轴与所述轮缘之间设置的传动支撑 圈，所述中心轴上的叶片连接套两侧分别设置固定有斜拉索的斜拉索固定盘，所述斜拉索 的另一端穿过所述传动支撑圈与所述轮缘固定在一起，所述叶片上另设有叶片斜拉索与所 述斜拉索固定盘连接在一起，所述转盘式平台上固定安装有支撑着所述叶轮组的叶轮支撑 架。
2、 根据权利要求 1所述的加强型风力发电机， 其特征在于： 所述聚风罩呈半漏斗形 设置于所述叶轮组前方中下部。
3、 根据权利要求 1所述的加强型风力发电机， 其特征在于： 所述叶轮组的轮缘、 传 动支撑圈、 叶片和叶轮支撑架均为分段组合式结构。
4、 根据权利要求 1所述的加强型风力发电机， 其特征在于： 部分所述斜拉索外部套 装着加固套管。
5、 根据权利要求 1所述的加强型风力发电机， 其特征在于： 所述传动支撑圈与所述 轮缘之间设有副叶片。
6、 根据权利要求 1所述的加强型风力发电机， 其特征在于： 所述叶轮支撑架分别设 有多个带传动轮的发电机和多个较轻的支撑轮作为所述叶轮组的支撑点，所述支撑轮和所 述发电机传动轮分别与所述传动支撑圈侧面紧密接触。
7、 根据权利要求 1所述的加强型风力发电机， 其特征在于： 所述轴承座底部设有排 油孔， 上部设有注油孔， 所述轴承座的两个轴孔与所述中心轴之间设有密封圈。
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CN103147926B (zh) * 2013-04-01 2014-10-15 戚永维 全叶尖风力发电机

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