CN102076484A - 用于制造用于风力涡轮机的转子叶片的方法 - Google Patents

用于制造用于风力涡轮机的转子叶片的方法 Download PDF

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CN102076484A
CN102076484A CN2009801242880A CN200980124288A CN102076484A CN 102076484 A CN102076484 A CN 102076484A CN 2009801242880 A CN2009801242880 A CN 2009801242880A CN 200980124288 A CN200980124288 A CN 200980124288A CN 102076484 A CN102076484 A CN 102076484A
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rotor blade
segmentation
aforementioned
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耶斯·库伦坎普夫
本·福克纳
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Senvion GmbH
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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
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/30—Mounting, exchanging or centering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/34—Moulds or cores; Details thereof or accessories therefor movable, e.g. to or from the moulding station
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5042—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like covering both elements to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
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    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/543—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining more than two hollow-preforms to form said hollow articles
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    • B29C66/61—Joining from or joining on the inside
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/63—Internally supporting the article during joining
    • B29C66/636—Internally supporting the article during joining using a support which remains in the joined object
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7214—Fibre-reinforced materials characterised by the length of the fibres
    • B29C66/72141—Fibres of continuous length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
    • B29C69/004—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore making articles by joining parts moulded in separate cavities, said parts being in said separate cavities during said joining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/0025—Producing blades or the like, e.g. blades for turbines, propellers, or wings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/483—Reactive adhesives, e.g. chemically curing adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7212—Fibre-reinforced materials characterised by the composition of the fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • 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
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
    • B29C70/443—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding and impregnating by vacuum or injection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • 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
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
    • B29C70/48—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
    • B29L2031/082—Blades, e.g. for helicopters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
    • B29L2031/082—Blades, e.g. for helicopters
    • B29L2031/085—Wind turbine blades
    • 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
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    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • Y02E10/70—Wind energy
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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
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  • Wind Motors (AREA)
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Abstract

本发明涉及一种制造用于风力涡轮机的转子叶片的方法，该转子叶片在能投入使用的状态中由用于连接到风力涡轮机的转子轮毂处的叶根区域纵向延伸至叶尖，并且为了制造而被分成至少两个分段。根据本发明的任务是促进和加快转子叶片的制造，尤其转子叶片的批量生产。根据本发明该目的由此来实现，即转子叶片为了其制造而被分成多于两个分段，至少对于这些分段中的一些而言设置有单独的、在时间上并行使用的制造模具，并且这些分段互相连接成转子叶片或转子叶片部件，以便转子叶片在制造模具之外的最终加工。

Description

用于制造用于风力涡轮机的转子叶片的方法
本发明涉及一种制造用于风力涡轮机的转子叶片的方法，该转子叶片在可投入使用的状态下从用于连接到风力涡轮机的转子轮毂处的叶根区域纵向地延伸到叶尖，并且转子叶片为其制造而分成至少两个分段。
用于风力涡轮机的分开的或分段的转子叶片在原理上很久以来就已经为人所知，例如由专利文献DE 3113079A1中已知，其用于简化其制造、运输和装配。因为在现有技术中运输优选地应同样被简化，所以转子叶片的分段优选在风力涡轮机的安装地点处才组装起来，并且针对此来进行设计。
与此相比，本发明的目的在于使得尤其是用于批量生产的转子叶片的制造变得简单，并且在时间上可被缩短。
根据本发明，该目的通过权利要求1的方案来实现，其中转子叶片为了其制造被分成多于两个分段，至少对于这些分段中的一些而言设置有单独的、在时间上并行使用的制造模具，并且这些分段互相连接成转子叶片或转子叶片部件，以便转子叶片的在制造模具之外的最终加工。
通过本发明的方法，相对于在其中转子叶片(必要时由两个半壳构成)整体上在一较大的制造模具中用较长的制造时间来制造的制造方法来说，较小的分段可有利地在时间上并行地来制造，由此缩短了整个制造周期，并且能够更轻便地构成相关的制造模具和分段。由此便有利地提高了生产率。同样地使得质量控制变得简单，因为在由于制造错误而可能出现废品时必要时仅关系到一个分段而不是整个转子叶片。此外，对于将分段连接成最终转子叶片而言，根据本发明有利地不需要且也未设置昂贵的制造模具，而是设计了用于在一个或每个制造模具之外的最终加工连接。
此外，本发明的一改进方案作如下设置，即转子叶片或转子叶片部件同样可在制造模具之外进行后处理，例如可进行回火。
根据本发明方法的另一改进方案作如下设置，即转子叶片或转子叶片部件在制造模具之外进行最终处理，例如时效硬化、清除粘合剂残余或树脂残余等。
优选地，根据本发明作如下设置，即至少分段的连接在单独的连接装置中、尤其是在胶框(Kleberahmen)中实现，后处理或最终处理或许可同样地实现。
根据本发明方法的一优选实施形式的特征在于，分段用塑料技术来制造。在此尤其可作如下考虑，即在塑料技术中使用至少一种树脂和至少一种尤其是由玻璃纤维和/或碳纤维构成的纤网织物。优选地，根据本发明可使用注塑技术(树脂传递成型；RTM)或注入技术(树脂注入成型；RIM)，尤其是由真空支持的注入技术(真空辅助树脂注入；VAR)。然而，备选地或额外地同样可使用层压技术。
本发明的另一改进方案作如下设置，即提供大约在转子叶片的纵向延伸方向上延伸的用于转子叶片分块化的至少一次分割。这有助于缩短相关制造模具的使用时间，且同时不影响所制成转子叶片的结构和强度，这是因为在制造中引导和/或传递力的部件和分段可连续地基本上在转子叶片的整个长度上延伸。然而如下根据本发明同样是可能的，即额外地或备选地提供横向于转子叶片的纵向延伸方向延伸的划分，由此构成的分段能够被快速、可靠且无质量损害地互相连接。
本发明的一改进方案作如下设置，即在连接装置中将一个或多个接杆、一个或多个带子、一个或多个转子叶根部件、至少一个转子叶尖分段、壳体分段和/或由分段形成的转子叶片壳体互相连接。尤其是，在连接装置中互相粘结分段和/或(其它的)零件。
本发明的另一改进方案作如下设置，即为了零件和/或零件连接体的加热、退火、烘干和/或时效硬化，优选地在连接装置的区域中使用至少一个加热装置。
本发明的另一改进方案的特征在于，首先对分段和/或其它零件进行时效硬化或预先硬化，然后将其放入到连接装置中并在该处将它们互相连接，之后对该连接和/或分段和/或其它零件的连接体进行烘干和/或时效硬化，这同样可有利地在连接装置中进行而不占用制造模具。
特别有利的是，本发明的另一改进方案的特征在于，能够实现在时间上并行的零件制造，其中待制零件尤其地根据其形式、特性和/或大小来设计，使得为此并行使用的制造模具的模具占用时间彼此均衡，和/或使被占用最长的制造模具的占用时间最小，其中该占用时间决定了制造周期的周期时间，这能导致或有助于生产率的显著提高。
尤其是，此外按照根据本发明方法的一改进方案可通过分块化来预制至少一个带子接杆组件，并将其放到连接装置中以与转子叶片的其它分段相连。在此，带子接杆组件可优选地大致制造成包括至少两个带子和两个接杆的箱式梁。
本发明的一改进方案可作如下设置，即通过转子叶片的基本上在转子叶片的纵向延伸方向上延伸的两次分割来构成转子叶片的中间纵向分段，其包括带子和接杆。额外地或备选地可作如下设置，即转子叶片通过基本上在转子叶片的纵向延伸方向上延伸的至少一次分割而至少被分成前缘分段和后缘分段。
本发明的一改进方案(对此同样要求独立的保护)优选地作如下设置，即提供了转子叶片的直至穿过转子叶根部件的分割，从而使得例如用于转子叶根的插入件同样可被分块或配属于分段。
本发明的另一改进方案作如下设置，即在转子叶片的分块化时将吸入面和压力面或上壳体和下壳体彼此分开。通过根据本发明的转子叶片在纵向方向上的额外分割，对于分块化而言例如尤其可构成转子叶片的四等分或六等分。
在附图中示出了实施例，从其中同样可得到另外的发明特征，但本发明的范围并不局限于此。其中：
图1显示了转子叶片的半壳的典型顶视图，
图2显示了根据本发明的转子叶片的分块化的第一实施例，
图3显示了根据本发明的转子叶片的分块化的第二实施例，
图4显示了根据本发明的转子叶片的分块化的第三实施例。
首先预先说明，在附图中仅显示了本发明的原理上的实施例，其中可在本发明的范围内产生多样的变型。此外，所有附图均未按正确比例或尺寸完全准确地画出。示出的实施例应仅作为原理上的可能性示意性地描绘。
图1显示了转子叶片的半壳1的顶视图。根据本发明，所示半壳1分成多个分段2-5。这些分段2-5中的所有或一些均可基本上在时间上并行地来制造或预制，然后以图1所示方式连接成转子叶片的半壳1，这可在相应的连接装置中进行。在该连接装置中，分段2-5例如可彼此粘结。
优选地，根据本发明作如下设置，即一个分段由所谓的转子叶根2形成，且其余的半壳被分成三个分段3-5。分段3-5通过横向划分6-8而设计成使它们具有大约相同的大小且可大约同样快地制造。分段3-5也可例如通过纵向划分而被分成另外的分段，或者半壳1也可例如仅通过纵向划分而被分割或分块。
优选地，在分段2-5上延伸有一未分开的连接这些分段的带子，其在布置在风力涡轮机处的转子叶片承受到负载时也可且尤其能用于力传递。作为一个带子的替代，必要时也可设置两个或多个彼此基本平行且相互间隔开地延伸的带子，即例如基于其所靠近的转子叶片边缘来定义的所谓前缘带子和后缘带子。
完整的转子叶片例如由此构造成空心体，即，在半壳1上放置镜像的第二半壳1并将两个半壳1互相连接。例如可将热空气引入到该空心体中，以便于进一步使转子叶片退火且完全地时效硬化。半壳1或其分段优选借助于塑料技术来构成，例如通过将玻璃纤维织物和/或碳纤维织物置于制造模具中且之后用真空薄膜来整体地盖住的办法，在制造模具中可规定、嵌入或层叠这些分段的三维造型。该真空薄膜环绕地沿着制造模具上的边缘以真空密封的方式被密封，例如利用粘性的粘结线或两侧的粘合带。因此，该真空薄膜于是形成了相对于固定制造模具的柔性阴模。在所谓的真空注入技术中，通过空气排出在真空薄膜与制造模具之间产生低压，即“真空”。通过该低压，纤网织物被彼此压紧，且树脂从储藏部中被吸入到真空薄膜下，树脂在整个模具上均匀地分布，且纤网织物在树脂时效硬化之后固定地互相连接成各个分段的固定塑料模具部件。树脂的均匀分布可由此来实现，即放置多个用于树脂的输入管，将合适的网格织物或栅格织物一同置入到模具中，其有利于且可引导树脂的分布和平面流动。
图2到4分别示意性地且以缩小透视法显示了根据本发明的转子叶片的典型分块化，在图中可以观察到转子叶根2。
图2显示了根据本发明的转子叶片的分块化的第一实施例。在该分块化中，通过转子叶片的基本上在转子叶片的纵向延伸方向上延伸的两个分割9，10构成转子叶片的中间纵向分段11，其包括带子12和接杆13。同时由此至少构成一个前缘分段14和一个后缘分段15。分割9，10延伸到转子叶根2中。因此，在该分块化中基本上形成三个分段11，14，15，它们可在时间上并行地且因此能在不同的制造模具中更快地制造，且之后可在每个制造模具之外互相连接成完整的转子叶片，由此形成转子叶片，其在质量上且尤其是在力传递和负荷能力方面不逊于已知的转子叶片。
图3显示了根据本发明的转子叶片的分块化的第二实施例。此处同样通过两个纵向划分9，10形成前缘分段14和后缘分段15。作为中间分段的替代，此处然而额外地使用了用于构造转子叶片的单个的带子12和接杆13。然而，优点基本上与根据图2的第一实施例相同。
图4显示了根据本发明的转子叶片的分块化的第三实施例。在该实施例中，转子叶片被分为下壳体16和上壳体17。额外地，这两个壳体16，17各通过一个纵向划分18，19被进一步分块。此处，分割18，19同样延伸通过转子叶根2，转子叶片最终基本上被四等分。然而此处，优点基本上同样与根据图2的第一实施例相同。
最后还要强调一些本发明的特征和优点。然而，该强调或重述同样不应意味着会引起对本发明范围的限制。
首先，本发明基于如下思想，即制造转子叶片的单个分段，其可各自在自己的制造模具中在时间上彼此并行地制造。在叶片分段于不同模具中并行制造时，具有最长周期时间的分模具决定了整个工艺的周期时间，因此可以有利地相应缩短该周期时间。叶片的适合分块化一方面能彼此均衡模具时间且由此实现高的利用率，另一方面能减少周期时间，由此可提高整个工艺的周期时间并因此提高叶片生产能力。
为了达到在由单个模具总成可满足的需求之上的确定叶片需求，不是整个模具总成而仅是周期时间接近于总周期时间的那个模具须被倍增。具有较短周期时间的模具可反复使用，以便于维护其它的模具。由此可同时降低空间需求并提高生产率。同时能同样地减少投资需求。例如分段的粘结和退火同样可在模具之外并行地实现。通过对此必要时所需的胶框，空间需求和投资需求同样也不会实质性增加。
权利要求书(按照条约第19条的修改)
修改权利要求
国际局于2010年5月6日收到
1.一种用于制造用于风力涡轮机的转子叶片的方法，所述转子叶片在能投入使用的状态中由用于联接到所述风力涡轮机的转子轮毂处的叶根区域纵向地延伸到叶尖，并且为了制造而被划分成至少两个分段，
其特征在于，所述转子叶片为了其制造被分成多于两个分段，其中至少对于所述分段中的一些而言设置有单独的、在时间上并行使用的制造模具，并且为了所述转子叶片在制造模具之外的最终加工，所述分段被互相连接成转子叶片或转子叶片部件，其中至少所述分段的连接在单独的连接装置中、尤其是在胶框中实现。
2.根据权利要求1所述的方法，其特征在于，所述转子叶片或转子叶片部件在制造模具之外进行后处理。
3.根据权利要求1或2所述的方法，其特征在于，所述转子叶片或转子叶片部件在制造模具之外进行最终处理。
4.根据前述权利要求中任一项所述的方法，其特征在于，所述分段用塑料技术来制造。
5.根据权利要求4所述的方法，其特征在于，在所述塑料技术中使用了至少一种树脂和至少一种尤其是由玻璃纤维和/或碳纤维构成的纤网织物。
6.根据权利要求5所述的方法，其特征在于，使用了注塑技术(树脂传递成型；RTM)。
7.根据权利要求4或5所述的方法，其特征在于，使用了注入技术(树脂注入成型；RIM)，尤其是由真空支持的注入技术(真空辅助树脂注入；VAR)。
8.根据权利要求4至7中任一项所述的方法，其特征在于，使用了层压技术。
9.根据前述权利要求中任一项所述的方法，其特征在于，为了所述转子叶片的分块化，进行大约在所述转子叶片的纵向延伸方向上延伸的至少一次分割。
10.根据前述权利要求中任一项所述的方法，其特征在于，在所述连接装置中将一个或多个接杆、一个或多个带子、一个或多个转子叶根部件、至少一个转子叶尖分段、壳体分段和/或由分段形成的转子叶片壳体互相连接。
11.根据权利要求10所述的方法，其特征在于，在所述连接装置中将分段和/或(其它的)零件被互相粘结。
12.根据前述权利要求中任一项所述的方法，其特征在于，为了零件和/或零件连接体的加热、退火、烘干和/或时效硬化，优选地在所述连接装置的区域中设置有至少一个加热装置。
13.根据前述权利要求中任一项所述的方法，其特征在于，首先对所述分段和/或其它零件进行时效硬化或预先硬化，之后将所述分段和/或其它零件放入到所述连接装置中并在该处进行互相连接，其后对所述连接和/或所述分段和/或其它零件的连接体进行烘干和/或时效硬化。14.根据前述权利要求中任一项所述的方法，其特征在于，进行在时间上并行的零件制造，其中待制零件尤其根据其形式、特性和/或大小来相应地设计成使得为此并行使用的制造模具的模具占用时间彼此均衡，和/或使被占用最长的制造模具的占用时间最小，其中所述占用时间决定了制造周期的周期时间。
15.根据前述权利要求中任一项所述的方法，其特征在于，通过所述分块化来预制至少一个带子接杆组件，所述带子接杆组件放入到所述连接装置中，以用于与所述转子叶片的其它分段连接。
16.根据权利要求15所述的方法，其特征在于，所述带子接杆组件基本上被制造成包括至少两个带子和两个接杆的箱式梁。
17.根据前述权利要求中任一项、尤其是根据权利要求10和17所述的方法，其特征在于，通过所述转子叶片的基本上在所述转子叶片的纵向延伸方向上延伸的两次分割来构成所述转子叶片的中间纵向分段，其包括所述带子和接杆。
18.根据前述权利要求中任一项所述的方法，其特征在于，所述转子叶片通过基本上在所述转子叶片的纵向延伸方向上延伸的至少一次分割至少被分成前缘分段和后缘分段。
19.根据前述权利要求中任一项、优选地根据权利要求18或19所述的方法，其特征在于，进行所述转子叶片的直至穿过转子叶根部件的分割。
20.根据前述权利要求中任一项所述的方法，其特征在于，在所述转子叶片被分块化时将吸入面和压力面彼此分开。
提交19条修改的声明
针对2010年3月8日发出的国际检索报告：
按照PCT条约第19条第1款，提交了修改后的权利要求1到20项，用于替代题述国际专利申请的原始权利要求1到21项。
新权利要求1基于原始权利要求1，其中补入了原权利要求4所限定的特征。
新权利要求2和3分别对应于原始权利要求2和3。新权利要求4到20分别对应于原始权利要求5到21。

Claims (21)

1.一种用于制造用于风力涡轮机的转子叶片的方法，所述转子叶片在能投入使用的状态中由用于联接到所述风力涡轮机的转子轮毂处的叶根区域纵向地延伸到叶尖，并且为了制造而被划分成至少两个分段，
其特征在于，所述转子叶片为了其制造被分成多于两个分段，其中至少对于所述分段中的一些而言设置有单独的、在时间上并行使用的制造模具，并且为了所述转子叶片在制造模具之外的最终加工，所述分段被互相连接成转子叶片或转子叶片部件。
2.根据权利要求1所述的方法，其特征在于，所述转子叶片或转子叶片部件在制造模具之外进行后处理。
3.根据权利要求1或2所述的方法，其特征在于，所述转子叶片或转子叶片部件在制造模具之外进行最终处理。
4.根据前述权利要求中任一项所述的方法，其特征在于，至少所述分段的连接在单独的连接装置中、尤其是在胶框中实现。
5.根据前述权利要求中任一项所述的方法，其特征在于，所述分段用塑料技术来制造。
6.根据权利要求5所述的方法，其特征在于，在所述塑料技术中使用了至少一种树脂和至少一种尤其是由玻璃纤维和/或碳纤维构成的纤网织物。
7.根据权利要求6所述的方法，其特征在于，使用了注塑技术(树脂传递成型；RTM)。
8.根据权利要求5或6所述的方法，其特征在于，使用了注入技术(树脂注入成型；RIM)，尤其是由真空支持的注入技术(真空辅助树脂注入；VAR)。
9.根据权利要求5至8中任一项所述的方法，其特征在于，使用了层压技术。
10.根据前述权利要求中任一项所述的方法，其特征在于，为了所述转子叶片的分块化，进行大约在所述转子叶片的纵向延伸方向上延伸的至少一次分割。
11.根据前述权利要求中任一项所述的方法，其特征在于，在所述连接装置中将一个或多个接杆、一个或多个带子、一个或多个转子叶根部件、至少一个转子叶尖分段、壳体分段和/或由分段形成的转子叶片壳体互相连接。
12.根据权利要求11所述的方法，其特征在于，在所述连接装置中将分段和/或(其它的)零件被互相粘结。
13.根据前述权利要求中任一项所述的方法，其特征在于，为了零件和/或零件连接体的加热、退火、烘干和/或时效硬化，优选地在所述连接装置的区域中设置有至少一个加热装置。
14.根据前述权利要求中任一项所述的方法，其特征在于，首先对所述分段和/或其它零件进行时效硬化或预先硬化，之后将所述分段和/或其它零件放入到所述连接装置中并在该处进行互相连接，其后对所述连接和/或所述分段和/或其它零件的连接体进行烘干和/或时效硬化。
15.根据前述权利要求中任一项所述的方法，其特征在于，进行在时间上并行的零件制造，其中待制零件尤其根据其形式、特性和/或大小来相应地设计成使得为此并行使用的制造模具的模具占用时间彼此均衡，和/或使被占用最长的制造模具的占用时间最小，其中所述占用时间决定了制造周期的周期时间。
16.根据前述权利要求中任一项所述的方法，其特征在于，通过所述分块化来预制至少一个带子接杆组件，所述带子接杆组件放入到所述连接装置中，以用于与所述转子叶片的其它分段连接。
17.根据权利要求16所述的方法，其特征在于，所述带子接杆组件基本上被制造成包括至少两个带子和两个接杆的箱式梁。
18.根据前述权利要求中任一项、尤其是根据权利要求10和17所述的方法，其特征在于，通过所述转子叶片的基本上在所述转子叶片的纵向延伸方向上延伸的两次分割来构成所述转子叶片的中间纵向分段，其包括所述带子和接杆。
19.根据前述权利要求中任一项所述的方法，其特征在于，所述转子叶片通过基本上在所述转子叶片的纵向延伸方向上延伸的至少一次分割至少被分成前缘分段和后缘分段。
20.根据前述权利要求中任一项、优选地根据权利要求18或19所述的方法，其特征在于，进行所述转子叶片的直至穿过转子叶根部件的分割。
21.根据前述权利要求中任一项所述的方法，其特征在于，在所述转子叶片被分块化时将吸入面和压力面彼此分开。
CN2009801242880A 2008-06-27 2009-06-11 用于制造用于风力涡轮机的转子叶片的方法 Pending CN102076484A (zh)

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