WO2016058325A1 - 一种多梁结构大尺寸风电叶片及其的制作方法 - Google Patents
一种多梁结构大尺寸风电叶片及其的制作方法 Download PDFInfo
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- 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
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- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
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- 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
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- 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
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Abstract
Description
现有技术中的叶片 | 本发明的叶片 | |
叶片长度/m | 57.7 | 57.7 |
风场等级 | IEC 3A | IEC 3A |
发电功率 | 3.0MW | 3.0MW |
质量/kg | 17443 | 13748 |
质心/m | 17.40 | 15.50 |
一阶挥舞/Hz | 0.56 | 0.67 |
一阶摆振/Hz | 0.98 | 1.17 |
叶根极限载荷/KNm | 16730 | 15408 |
叶根疲劳载荷/KNm | 7498 | 6591 |
Claims (10)
- 一种多梁结构大尺寸风电叶片,采用空心布局结构,包括叶片蒙皮吸力边、叶片蒙皮压力边、主承力结构大梁和抗剪切腹板,由叶片蒙皮吸力边与叶片蒙皮压力边组合形成一个截面为流线型的空腔结构,在叶片蒙皮吸力边与叶片蒙皮压力边组合形成的空腔结构内布置有由主承力结构大梁和抗剪切腹板组合形成的支撑结构;其特征在于,所述叶片蒙皮吸力边与叶片蒙皮压力边都是采用多段组合结构,通过多段分别与主承力结构大梁的侧面连接在一起形成叶片蒙皮吸力边与叶片蒙皮压力边整体。
- 根据权利要求1所述的多梁结构大尺寸风电叶片,其特征在于,所述的主承力结构大梁为四个叶片大梁组合形成,其中在叶片蒙皮吸力边上布置有第一叶片大梁和第二叶片大梁,在叶片蒙皮压力边上布置有第三叶片大梁何第四叶片大梁,四个叶片大梁与叶片蒙皮吸力边和叶片蒙皮压力边的连接为侧面连接,使得四个叶片大梁分别成为叶片蒙皮吸力边和叶片蒙皮压力边的一部分。
- 根据权利要求2所述的多梁结构大尺寸风电叶片,其特征在于,所述的四个叶片大梁与叶片蒙皮吸力边和叶片蒙皮压力边的连接为粘结连接,四个叶片大梁的两个侧面分别与叶片蒙皮吸力边和叶片蒙皮压力边的侧面以等截面形式通过树脂胶粘剂粘结在一起。
- 根据权利要求3所述的多梁结构大尺寸风电叶片,其特征在于,所述的叶片蒙皮吸力边与叶片蒙皮压力边都是采用多段组合结构是将叶片蒙皮吸力边与叶片蒙皮压力边分别分成三段,分别为叶片蒙皮吸力边与叶片蒙皮压力边前段、大梁之间区域段和叶片蒙皮吸力边与叶片蒙皮压力边尾部段。
- 根据权利要求1所述的多梁结构大尺寸风电叶片,其特征在于,所述的叶片蒙皮吸力边和叶片蒙皮压力边的尾部分别布置有后缘承力结构小梁,后缘承力结构小梁分别连接在叶片蒙皮吸力边与叶片蒙皮压力边尾部中间一段,形成叶片蒙皮吸力边与叶片蒙皮压力边尾部的一部分。
- 根据权利要求5所述的多梁结构大尺寸风电叶片,其特征在于,所述的后缘承力结构小梁与叶片蒙皮吸力边和叶片蒙皮压力边是粘结连接的,后缘承力结构小梁的两个侧面分别与叶片蒙皮吸力边和叶片蒙皮压力边的尾部侧面通过胶粘剂粘结在一起。
- 一种权利要求1所述的多梁结构大尺寸风电叶片的制作方法,采用多梁空心结构制作叶片,在叶片蒙皮吸力边和叶片蒙皮压力边内布置多个主承力结构大梁,并通过抗剪切腹板支撑,形成一个截面为流线型的空腔结构风电叶片;其特征在于,所述的叶片蒙皮吸力边和叶片蒙皮压力边是采用多段组合方式形成的;将叶片蒙皮吸力边和叶片蒙皮压力边分成几段分别制作,再将各段分别从侧面与主承力结构大梁粘结在一起,形成多段组合的叶片蒙皮吸力 边和叶片蒙皮压力边。
- 根据权利要求7所述的多梁结构大尺寸风电叶片的制作方法,其特征在于,所述的多个主承力结构大梁为四个叶片大梁组合形成,其中在叶片蒙皮吸力边上布置有第一叶片大梁和第二叶片大梁,在叶片蒙皮压力边上布置有第三叶片大梁何第四叶片大梁,同时在叶片蒙皮吸力边与叶片蒙皮压力边的尾部分别布置有后缘承力结构小梁;四个叶片大梁与叶片蒙皮吸力边和叶片蒙皮压力边的连接为侧面粘结连接,使得四个主承力结构大梁分别成为叶片蒙皮吸力边和叶片蒙皮压力边的一部分;制作时先将四个叶片大梁分别制作好,并与抗剪切腹板粘结在一起,形成“工”字形大梁;然后将大梁置于定位工装中,与叶片蒙皮吸力边或叶片蒙皮压力边一起铺放、灌注;使用环氧树脂作为灌注树脂通过真空灌注工艺以实现固化。
- 根据权利要求8所述的多梁结构大尺寸风电叶片的制作方法,其特征在于,所述的叶片蒙皮吸力边和叶片蒙皮压力边的尾部分别布置有后缘承力结构小梁,后缘承力结构小梁分别连接在叶片蒙皮吸力边与叶片蒙皮压力边尾部中间一段,形成叶片蒙皮吸力边与叶片蒙皮压力边尾部的一部分。
- 根据权利要求6所述的多梁结构大尺寸风电叶片的制作方法,其特征在于,所述的四个叶片大梁与后缘承力结构小梁是采用碳纤维铺层并固化而成,且碳纤维布的面密度小于玻璃纤维布的面密度,使用环氧树脂作为灌注树脂通过真空灌注工艺以实现固化。
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US15/519,297 US20170241402A1 (en) | 2014-10-15 | 2015-03-18 | Large-size wind power blade having multi-beam structure and manufacturing method therefor |
EP15850951.3A EP3208459B1 (en) | 2014-10-15 | 2015-03-18 | Large-size wind power blade having multi-beam structure and manufacturing method therefor |
ES15850951T ES2822563T3 (es) | 2014-10-15 | 2015-03-18 | Pala para energía eólica de gran tamaño con estructura de vigas múltiples y método de fabricación de la misma |
BR112017006209-7A BR112017006209B1 (pt) | 2014-10-15 | 2015-03-18 | Lâmina de energia eólica, e, método para fabricação da lâmina de energia eólica |
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CN113685309A (zh) * | 2021-09-27 | 2021-11-23 | 常州市宏发纵横新材料科技股份有限公司 | 一种模块化风电叶片及其装配方法 |
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CN109109341B (zh) * | 2018-10-23 | 2021-02-02 | 株洲时代新材料科技股份有限公司 | 一种风电叶片的制备方法 |
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BR112017006209A2 (zh) | 2018-03-06 |
CN105508142A (zh) | 2016-04-20 |
EP3208459B1 (en) | 2020-09-02 |
BR112017006209A8 (pt) | 2022-07-05 |
ES2822563T3 (es) | 2021-05-04 |
CN105508142B (zh) | 2018-06-05 |
EP3208459A4 (en) | 2018-06-20 |
US20170241402A1 (en) | 2017-08-24 |
EP3208459A1 (en) | 2017-08-23 |
BR112017006209B1 (pt) | 2022-09-06 |
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