CN101230833B - 下置发电机风力机 - Google Patents

下置发电机风力机 Download PDF

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CN101230833B
CN101230833B CN200710164763XA CN200710164763A CN101230833B CN 101230833 B CN101230833 B CN 101230833B CN 200710164763X A CN200710164763X A CN 200710164763XA CN 200710164763 A CN200710164763 A CN 200710164763A CN 101230833 B CN101230833 B CN 101230833B
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wheel
gear
big
bull gear
wind
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CN101230833A (zh
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黄金伦
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Rugao Dongzhao Clothing Co., Ltd.
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    • 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

Abstract

一种下置发电机风力机，由内外叶同轴的双级叶片B、轮撑C共同与轮毂A结合成大型三叶风轮；轮撑C、大(圆环)齿圈1都用复合材料粘联成整体。大齿圈1是与金属的小圆锥齿轮2啮合，并以竖管轴3(例如用铝基硼纤维增强复合材料制成)驱动下置式(在基面)的立式发电机E进行发电。主轴D只给风轮定心作用(不转动)。这种风力机适合于海洋浮簰风力机群，优点是：①省去机舱、增速箱，发电机设置在基面，重心低稳定性好；②应用互隔120°的三副轮撑强化大风轮和架稳大齿圈(三点定一圆)；③椭圆截面塔架，减小风阻和叶片尾流冲击大塔架引起的震颤。

Description

下置发电机风力机
本发明属于三叶风力机领域，一种下置式发电机的塔架，所以没有机舱，也无偏航装置，塔架截面呈扁椭圆形，目的为大浮簰上的风力机考虑。浮簰能像抛锚的船似的会自动迎接风向，而要求风力机的重心低，力求重量轻。
图1，共同扎根于轮毂A上的大型风轮叶片B(分内叶外叶同轴两级)、轮撑C，在轮撑C的腰中，固联一大(环形)齿圈1，大齿圈1与小锥型齿轮2啮合，2以它的竖管轴3把大风轮的动能传到下置在基面的立式发电机E，驱动发电。
轮撑C和大齿圈1都用聚合物基复合材料制成，例如用硼/环氧，大齿圈1和小锥形齿轮2是两相交轴线的齿轮副，小齿轮2是金属，大齿圈以齿圈节圆周的n等分拼粘、用螺钉紧固而成，这每一个n等分的长度取得尽可能长一些，并且看现有设备可适用的模具规格而定，把齿形用模压铸成型，然后依次排列在大齿圈的基体圆环上，粘合、螺钉紧固。
轮毂A用高强度球墨铸铁铸造，并铸有互间120°的三排毂耳A1(对轮毂的轴线方向视图而言)，每排两个毂耳A1(铸有孔以增强轮撑粘接)在三排互间120°毂耳之间，用类似毛竹竹结形状凸起的环形复合粘接材料加强箍联。
粘接大环形齿圈1时，把轮撑C、轮毂A的轴线竖立放置(轮撑在顶面)，以夹具、工装固定，把大齿圈1上的三个粘合缺口扣在三排互间120°的轮撑C上，粘住过程中校准齿圈旋转平面与轮毂轴线垂直。
竖管轴3，它只传递转矩为主，若用铝基硼纤维增强复合材料制成，可减轻相当的竖钢管轴的重量的45％以上。若在竖管轴外层面以传递转矩受力方向45°角用高强纤维缠绕和环氧粘合，性能更可强化。
现有技术的变桨距风轮，它的轮毂单独用一整套大轴承，再通过拨盘、拨柱驱动风轮的主轴(而本方案的主轴D是固定不转动)、增速齿轮箱到发电机，传动链相当长。
本方案的竖管轴3与现有技术的主轴相抵；
本方案的单级齿轮胜过现有技术的增速齿轮箱；
本方案省掉机舱；
本方案用大风叶轮的轮撑C的腰中部直接输出风能能量，比现有技术的整片长叶片以长力臂形式转动轮毂，使轮毂与叶根部位应力集中可说略胜一筹；而现有的叶根、轮毂必须制成高的刚度、强度，使用材料多；向大直径风轮发展，阻碍因素很多。
特别用在浮簰式风力机群，本方案发电机设置在基面，管理、安装都方便，使浮解稳定性改善重心低。
塔架用椭圆截面，也为减低风阻。
图2是大齿圈1与小锥型齿轮2的防护罩的截面图：12是大齿圈的内护圈环，用胶粘接和自攻螺钉紧固在大齿圈的内环面上；12a是短阻水环，12b是长阻水环，13是大齿圈的外护圈环，用粘接和螺钉紧固在大齿圈的外环面上；13a是短阻水环，13b是长阻水环，2a是小锥型齿轮2的轴，(下接竖管轴3到发电机E)，2b是槽型覆盖板，整个形状像自行车的硬边外胎，槽口向着内环面开着口，它是不转动的，所以在侧壁和槽的环形外底壁上都可设置支撑点，由弯头支撑、直杆支撑与塔架连接固定。小锥型齿轮2的轴2a放入处在2b的侧壁开一缺口，待安装后，用复合材料粘接补上缺口。
优点：①主轴是固定的，只给风轮定心作用，节省转动能耗；②只用单级齿轮增速，省掉增速齿轮箱和机舱、减少风阻，安装方便；③发电机设在基面，便于管理、且重心低；④椭圆截面塔架，减少风阻和叶片尾流冲击大塔架引起的震颤。
附图说明：
图1是下置发电机风力机的侧面图。
图2是大齿圈与小齿轮的防护罩局部截面图。

Claims (1)

1.一种下置发电机风力机，特征是包括内叶、外叶同轴的双级叶片和轮撑共同与轮毂结合成大型三叶风轮，轮撑的作用增强大风轮和架住圆环形的大齿圈，使风轮动能直接从大齿圈驱动小锥型齿轮、经竖管轴到下置式的立式发电机发电；所述的主轴不转动，只起风轮的定心作用；省掉机舱和齿轮箱；所述的轮撑和大齿圈都用聚合物基复合材料制成，大齿圈和小锥形齿轮是两相交轴线的齿轮副；小齿轮是金属材质，大齿圈上的齿型用它的节圆周的n等分，取其中一个等分段的长度制成模具，用高强复合纤维增强树脂材料压制成许多个等分的齿型制品，然后按n个制品按节圆周排列在大齿圈上，完成整个大齿圈；粘接大环形齿圈时，把轮撑、轮毂的轴线竖立放置，并使轮撑在顶面，以夹具、工装固定，把大齿圈上的三个粘合缺口扣在三排互间120°的轮撑上，粘住过程中校准齿圈旋转平面与轮毂轴线垂直。
CN200710164763XA 2007-12-13 2007-12-13 下置发电机风力机 Expired - Fee Related CN101230833B (zh)

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CN113074092B (zh) * 2021-05-17 2024-02-23 中国华能集团清洁能源技术研究院有限公司 一种利用格栅降低尾流的风力发电系统及方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2075707U (zh) * 1990-05-16 1991-04-24 张恩侗 一种平装风力机
CN2111380U (zh) * 1991-12-12 1992-07-29 张耀培 风力发动抽水发电两用机
CN1807877A (zh) * 2006-02-07 2006-07-26 王昆生 立轴c型叶片风力发电装置
CN2883720Y (zh) * 2005-08-03 2007-03-28 陈晓东 风力发电设备

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2075707U (zh) * 1990-05-16 1991-04-24 张恩侗 一种平装风力机
CN2111380U (zh) * 1991-12-12 1992-07-29 张耀培 风力发动抽水发电两用机
CN2883720Y (zh) * 2005-08-03 2007-03-28 陈晓东 风力发电设备
CN1807877A (zh) * 2006-02-07 2006-07-26 王昆生 立轴c型叶片风力发电装置

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