CN111775456A - 一种凹形主梁风电叶片的制作方法及凹形主梁风电叶片 - Google Patents
一种凹形主梁风电叶片的制作方法及凹形主梁风电叶片 Download PDFInfo
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Abstract
本发明公开了一种凹形主梁风电叶片的制作方法及凹形主梁风电叶片,是在上主梁和下主梁上分别设置纵向的定位槽,通过定位槽将侧立的单腹板的上侧和下侧分别限定在上主梁和下主梁上,最后完成固结合装。根据凹形主梁风电叶片的制作方法设计的凹形主梁风电叶片,包括上壳体、下壳体、上主梁、下主梁和单腹板,上壳体与下壳体固接合装,上主梁固接在上壳体内,下主梁固接在下壳体内,单腹板纵向侧立在上主梁和下主梁之间并分别与上主梁和下主梁固接;在上主梁的下表面和下主梁的上表面上分别设置有用于限定单腹板上侧和下侧的上定位槽和下定位槽。其优点在于,无需临时增设任何辅助设施,不仅能实现精准定位,还使得整个合装过程变得简单高效。
Description
技术领域
本发明涉及风电叶片,具体涉及一种凹形主梁风电叶片的制作方法及凹形主梁风电叶片,属于风力发电设备技术领域。
背景技术
风电叶片长达数十米甚至上百米,采用上壳体和下壳体合装,制成具有内空腔的桨片。为增加风电叶片的力学强度,在上壳体和下壳体之间的空腔内设置有支撑和连接上下壳体的腹板。
传统风电叶片腹板大多为双边组装腹板或者三腹板,随着叶片长度增加,叶片重量也逐渐加大,为了设计一种轻量化的风电叶片,业内采用单边腹板的设计形式,与双边组装腹板相比,单腹板定位精度要求更高,加上放置过程容易倾倒,对人员操作有着很高的要求。传统叶片上壳体和下壳体合装时,无论单腹板还是双边组装腹板,都需要根据理论腹板位置进行划线,并在对应位置粘接羊角或者木块进行限位,受测量方式和操作人员影响,腹板的定位依然不够准确,且需要进行羊角或木块的粘接及去除工作,大大增加了作业内容。
因此,如何在上壳体与下壳体合装时使单腹板在上壳体与下壳体之间实现精准的定位、安装并减少操作人员的作业内容是本领域亟待解决的技术问题。
本发明拟采用主梁开槽定位方法解决上述问题,经过检索,发现授权公告号CN209855954 U,授权公告日2019.12.27的实用新型专利与本发明方案最为接近,现摘要描述如下:
一种具有前缘梁结构的风电叶片,包括叶片本体,所述叶片本体包括设置在其壳体内的主梁、设置在其壳体内的前缘梁及设置在其内部的抗剪切腹板;所述主梁有两块且分布在所述叶片本体内部的最大弦长处的壳体背风面和迎风面,两块所述主梁之间通过设置抗剪切腹板连接。
上述方案的缺陷在于:两块主梁上均没有定位设置,腹板在上下两块主梁之间侧立,而复板与上下两块主梁接触的上侧侧面和下侧侧面也没有定位设置,且复板上侧侧面和下侧侧面也没有采取利于放稳的增宽措施。由于复板很长,这将在合装时出现难以定位,难以放稳的情形,必须采取类似于设置羊角的辅助支撑措施才能完成复板的定位和安装。
发明内容
本发明要解决的技术问题主要是:上壳体与下壳体合装时使单腹板在上壳体与下壳体之间实现精准的定位、减少操作人员的作业内容的问题。
针对上述问题,本发明提出的技术方案是:
一种凹形主梁风电叶片的制作方法,是在上主梁和下主梁上分别设置纵向的定位槽,通过定位槽将侧立的单腹板的上侧和下侧分别限定在上主梁和下主梁上,最后完成固结合装。
进一步地,所述通过定位槽将侧立的单腹板的上侧和下侧分别限定在上主梁和下主梁上,是分别将单腹板的上侧和下侧横向扩宽为上脚板和下脚板,使单腹板的横截面呈工字型,并将单腹板的上脚板和下脚板分别限定在上主梁和下主梁上。
进一步地,所述将单腹板的上脚板和下脚板分别限定在上主梁和下主梁上,是将单腹板的上脚板的形面加工成与上主梁定位槽的内形面相一致,将单腹板的下脚板的形面加工成与下主梁定位槽的内形面相一致,合装时,单腹板的上脚板填装在上主梁的定位槽内,单腹板的下脚板填装在下主梁的定位槽内。
进一步地,所述将单腹板的上脚板和下脚板分别限定在上主梁和下主梁上,是在上脚板的上顶面和下脚板的下底面均设置纵向的定位凸筋,相应地,将上主梁和下主梁上的定位槽的内形面设置成能够与定位凸筋的外形面相配合的形面,合装时,单腹板的上脚板的定位凸筋填装在上主梁上的定位槽内,单腹板的下脚板的定位凸筋填装在下主梁上的定位槽内。
进一步地,在将单腹板的上侧和下侧扩宽为上脚板和下脚板时,使上脚板的上顶面的形面与上主梁的下表面的形面对应配合,下脚板的下底面的形面与下主梁的上表面的形面对应配合,合装时,能够使单腹板的上脚板的上顶面与上主梁的下表面相贴合,下脚板的下底面与下主梁的上表面相贴合。
如上所述的凹形主梁风电叶片的制作方法,其合装时单腹板的定位安装包括如下步骤:
1)将开设有定位槽的上主梁和下主梁分别与上壳体和下壳体固接为一体;
2)将与下壳体固接为一体的下主梁朝上放置,在下主梁的定位槽内涂结构胶;将单腹板吊装到下主梁上,使单腹板的下脚板插入涂有结构胶的定位槽内,实现单腹板在下主梁上的定位与固定;
3)在单腹板的上脚板外表面涂结构胶,将上壳体连同与上壳体固接的上主梁吊装到单腹板的上方,放下上壳体和上主梁,使单腹板的上脚板插入上主梁的定位槽内,通过涂刷的结构胶使单腹板与上主梁固接。
一种根据凹形主梁风电叶片的制作方法设计的凹形主梁风电叶片,包括上壳体、下壳体、上主梁、下主梁和单腹板,上壳体通过粘接面与下壳体粘接面固接合装,上主梁固接在上壳体内,下主梁固接在下壳体内,单腹板纵向侧立在上主梁和下主梁之间并分别与上主梁和下主梁固接,其特征在于,在上主梁的下表面和下主梁的上表面上分别设置有用于限定单腹板上侧和下侧的上定位槽和下定位槽。
进一步地,所述单腹板的上侧和下侧设置有与单腹板一体成型的上脚板和下脚板。
进一步地,所述上脚板的形面和下脚板的形面分别与上主梁的上定位槽的内槽形面和下主梁的下定位槽的内槽形面相配合,合装时和合装后,上脚板和下脚板分别位于上定位槽和下定位槽内。
进一步地,在上脚板的上顶面和下脚板的下底面上分别设置有纵向的上定位凸筋和下定位凸筋,相应地,将上主梁的上定位槽的内形面和下主梁的下定位槽的内形面分别设置成能够与上定位凸筋和下定位凸筋的外形面相配合的形面,合装时,单腹板的上脚板的上定位凸筋装在上主梁的上定位槽内,单腹板的下脚板的下定位凸筋装在下主梁的下定位槽内。
本发明的优点是:合装时能够精准稳固地将单腹板放置在下主梁上,方便上主梁及上壳体的进一步合装,无需临时增设任何辅助设施,使得整个合装过程变得简单高效。同时,原本为方便安装而将单腹板的上侧和下侧扩宽设置的上脚板和下脚板,由于增大了粘接面而使得单腹板在风电叶片中的力学结构变得更加强固。
附图说明
图1为实施例一所述的凹形主梁风电叶片的上壳体及其与上壳体固接的上主梁、下壳体及其与下壳体固接的下主梁的横截面示意图;
图2为实施例一所述的单腹板均横截面示意图;
图3为实施例一所述的凹形主梁风电叶片合装后的横截面示意图;
图4为实施例二所述的凹形主梁风电叶片的上壳体及其与上壳体固接的上主梁、下壳体及其与下壳体固接的下主梁的横截面示意图;
图5为实施例二所述的单腹板均横截面示意图;
图6为实施例二所述的凹形主梁风电叶片合装后的横截面示意图。
图中:1、上壳体;11、上粘接面;2、下壳体;21、下粘接面;3、上主梁;31、上定位槽;4、下主梁;41、下定位槽;5、单腹板;51、上脚板;52、下脚板;53、上定位凸筋;54、下定位凸筋。
具体实施方式
下面结合实施例和附图对本发明做一步的描述:
实施例一
如图1—3所示,一种凹形主梁风电叶片的制作方法是在上主梁3和下主梁4上分别设置纵向的定位槽,即图中所示的上定位槽31和下定位槽41,通过定位槽将侧立的单腹板5的上侧和下侧分别限定在上主梁3和下主梁4上,最后完成固结合装。所述将单腹板5的上侧和下侧分别限定在上主梁3和下主梁4上的方式可以有多种,这将在后面左进一步的描述。前面已经阐述过,由于单复板很长,若不采取定位措施,则很难精准的将腹板放置和固定在设计位置。本发明通过开设定位槽,就使得对单复板的定位变得精准而又简单。
下面是进一步措施。
所述通过定位槽将侧立的单腹板5的上侧和下侧分别限定在上主梁3和下主梁4上,是分别将单腹板5的上侧和下侧横向扩宽为上脚板51和下脚板52,使单腹板5的横截面呈工字型,并将单腹板5的上脚板51和下脚板52分别限定在上主梁3和下主梁4上。这样,通过下脚板52,单腹板5就能很容易地放置在下主梁4上。由于单腹板5最终是利用结构胶与上主梁3和下主梁4固接,通过在单腹板5的上下两侧设置上脚板51和下脚板52,实际就是大幅增加了单腹板5与上主梁3和下主梁4的粘接面,不仅十分有利于安装,也使得单腹板5在风电叶片内的结构更加稳固。
所述将单腹板5的上脚板51和下脚板52分别限定在上主梁3和下主梁4上,是将单腹板5的上脚板51的形面加工成与上主梁3定位槽的内形面相一致,将单腹板5的下脚板52的形面加工成与下主梁4定位槽的内形面相一致,合装时,单腹板5的上脚板51填装在上主梁3的定位槽内,单腹板5的下脚板52填装在下主梁4的定位槽内,以此来实现单腹板5定位与放置。
在凹形主梁风电叶片的制作方法中,包含将上壳体1、下壳体2、上主梁3、下主梁4和单腹板5进行整体合装的工序,包括如下合装步骤:
1将开设有定位槽的上主梁3和下主梁4分别与上壳体1和下壳体2固接为一体;
2将与下壳体2固接为一体的下主梁4朝上放置,在下主梁4的定位槽内涂结构胶;将单腹板5吊装到下主梁4上,使单腹板5的下脚板52插入涂有结构胶的定位槽内,至结构胶凝固,完成单腹板5在下主梁4上的定位与固定;
3在下壳体的下粘接面21和单腹板5的上脚板51外表面涂结构胶,将上壳体1连同与上壳体1固接的上主梁3吊装到单腹板5的上方,放下上壳体1和上主梁3,使单腹板5的上脚板51插入上主梁3的定位槽内,同时,使上壳体1的上粘接面11与涂有结构胶的下壳体2的下粘接面21吻合相贴,至结构胶凝结。
下面是根据上述方法设计的风电叶片。
一种凹形主梁风电叶片,包括上壳体1、下壳体2、上主梁3、下主梁4和单腹板5,上壳体1通过粘接面与下壳体2粘接面固接合装,上主梁3固接在上壳体1内,下主梁4固接在下壳体2内,单腹板5纵向侧立在上主梁3和下主梁4之间并分别与上主梁3和下主梁4固接,在上主梁3的下表面和下主梁4的上表面上分别设置有用于限定单腹板5上侧和下侧的上定位槽31和下定位槽41,限定方式有多种,本实施例为一种优选的限定结构。
进一步地,在所述单腹板5的上侧和下侧设置有与单腹板5一体成型的上脚板51和下脚板52,便于稳定放置,也能够增加粘接面。
上脚板51的形面和下脚板52的形面分别与上主梁3的上定位槽31的内槽形面和下主梁4的下定位槽41的内槽形面相配合,但这种配合是一种有着微小间隙的配合,其作用一是便于上脚板51和下脚板52放入上定位槽31和下定位槽41内,二是需要在这个微小的间隙中留存结构胶。合装时和合装后,上脚板51和下脚板52分别位于上定位槽31和下定位槽41内并由事先涂刷的结构胶固定。
实施例二
如图4—6所示,一种凹形主梁风电叶片的制作方法,其与实施例一的不同之处在于,所述的将单腹板5的上脚板51和下脚板52分别限定在上主梁3和下主梁4上,是在上脚板51的上顶面和下脚板52的下底面均设置纵向的定位凸筋(如图所示的上定位凸筋53和下定位凸筋54),相应地,将上主梁3和下主梁4上的定位槽(如图所示的上定位槽31和下定位槽41)的内形面设置成能够与定位凸筋的外形面相配合的形面,合装时,单腹板5的上脚板51的定位凸筋填装在上主梁3上的定位槽内,单腹板5的下脚板52的定位凸筋填装在下主梁4上的定位槽内。
进一步地,在将单腹板5的上侧和下侧扩宽为上脚板51和下脚板52时,使上脚板51的上顶面的形面与上主梁3的下表面的形面对应配合,下脚板52的下底面的形面与下主梁4的上表面的形面对应配合,合装时,能够使单腹板5的上脚板51的上顶面与上主梁3的下表面相贴合,下脚板52的下底面与下主梁4的上表面相贴合。
根据上述方法设计的凹形主梁风电叶片,其结构与实施例一的不同之处在于,在上脚板51的上顶面和下脚板52的下底面上分别设置有纵向的上定位凸筋53和下定位凸筋54,相应地,将上主梁3的上定位槽31的内形面和下主梁4的下定位槽41的内形面分别设置成能够与上定位凸筋53和下定位凸筋54的外形面相配合的形面,合装时,单腹板5的上脚板51的上定位凸筋53装在上主梁3的上定位槽31内,单腹板5的下脚板52的下定位凸筋54装在下主梁4的下定位槽41内,并通过涂刷在上脚板51与上主梁3之间的结构胶和下脚板52与下主梁4之间的结构胶使单腹板5与上主梁3和下主梁4固定连接。本实施例的优点在于,大大缩小了定位槽的槽口空间,减小了定位槽的加工量和加工难度,同时也减小了定位槽对主梁力学结构的破坏。
显然,上述实施例只用于更清楚的描述本发明,而不能视为限制本发明涵盖的保护范围,任何等价形式的修改都应视为落入本发明涵盖的保护范围之中。
Claims (10)
1.一种凹形主梁风电叶片的制作方法,其特征在于,是在上主梁(3)和下主梁(4)上分别设置纵向的定位槽,通过定位槽将侧立的单腹板(5)的上侧和下侧分别限定在上主梁(3)和下主梁(4)上,最后完成固结合装。
2.如权利要求1所述的凹形主梁风电叶片的制作方法,其特征在于,所述通过定位槽将侧立的单腹板(5)的上侧和下侧分别限定在上主梁(3)和下主梁(4)上,是分别将单腹板(5)的上侧和下侧横向扩宽为上脚板(51)和下脚板(52),使单腹板(5)的横截面呈工字型,并将单腹板(5)的上脚板(51)和下脚板(52)分别限定在上主梁(3)和下主梁(4)上。
3.如权利要求1所述的凹形主梁风电叶片的制作方法,其特征在于,所述将单腹板(5)的上脚板(51)和下脚板(52)分别限定在上主梁(3)和下主梁(4)上,是将单腹板(5)的上脚板(51)的形面加工成与上主梁(3)定位槽的内形面相一致,将单腹板(5)的下脚板(52)的形面加工成与下主梁(4)定位槽的内形面相一致,合装时,单腹板(5)的上脚板(51)填装在上主梁(3)的定位槽内,单腹板(5)的下脚板(52)填装在下主梁(4)的定位槽内。
4.如权利要求2所述的凹形主梁风电叶片的制作方法,其特征在于,所述将单腹板(5)的上脚板(51)和下脚板(52)分别限定在上主梁(3)和下主梁(4)上,是在上脚板(51)的上顶面和下脚板(52)的下底面均设置纵向的定位凸筋,相应地,将上主梁(3)和下主梁(4)上的定位槽的内形面设置成能够与定位凸筋的外形面相配合的形面,合装时,单腹板(5)的上脚板(51)的定位凸筋填装在上主梁(3)上的定位槽内,单腹板(5)的下脚板(52)的定位凸筋填装在下主梁(4)上的定位槽内。
5.如权利要求4所述的凹形主梁风电叶片的制作方法,其特征在于,在将单腹板(5)的上侧和下侧扩宽为上脚板(51)和下脚板(52)时,使上脚板(51)的上顶面的形面与上主梁(3)的下表面的形面对应配合,下脚板(52)的下底面的形面与下主梁(4)的上表面的形面对应配合,合装时,能够使单腹板(5)的上脚板(51)的上顶面与上主梁(3)的下表面相贴合,下脚板(52)的下底面与下主梁(4)的上表面相贴合。
6.如权利要求3中所述的凹形主梁风电叶片的制作方法,其特征在于,合装时单腹板(5)的定位安装包括如下步骤:
1)将开设有定位槽的上主梁(3)和下主梁(4)分别与上壳体(1)和下壳体(2)固接为一体;
2)将与下壳体(2)固接为一体的下主梁(4)朝上放置,在下主梁(4)的定位槽内涂结构胶;将单腹板(5)吊装到下主梁(4)上,使单腹板(5)的下脚板(52)插入涂有结构胶的定位槽内,实现单腹板(5)在下主梁(4)上的定位与固定;
3)在单腹板(5)的上脚板(51)外表面涂结构胶,将上壳体(1)连同与上壳体(1)固接的上主梁(3)吊装到单腹板(5)的上方,放下上壳体(1)和上主梁(3),使单腹板(5)的上脚板(51)插入上主梁(3)的定位槽内,通过涂刷的结构胶使单腹板(5)与上主梁(3)固接。
7.一种根据凹形主梁风电叶片的制作方法设计的凹形主梁风电叶片,包括上壳体(1)、下壳体(2)、上主梁(3)、下主梁(4)和单腹板(5),上壳体(1)通过粘接面与下壳体(2)粘接面固接合装,上主梁(3)固接在上壳体(1)内,下主梁(4)固接在下壳体(2)内,单腹板(5)纵向侧立在上主梁(3)和下主梁(4)之间并分别与上主梁(3)和下主梁(4)固接,其特征在于,在上主梁(3)的下表面和下主梁(4)的上表面上分别设置有用于限定单腹板(5)上侧和下侧的上定位槽(31)和下定位槽(41)。
8.根据权利要求7所述凹形主梁风电叶片,其特征在于,所述单腹板(5)的上侧和下侧设置有与单腹板(5)一体成型的上脚板(51)和下脚板(52)。
9.根据权利要求8所述凹形主梁风电叶片,其特征在于,所述上脚板(51)的形面和下脚板(52)的形面分别与上主梁(3)的上定位槽(31)的内槽形面和下主梁(4)的下定位槽(41)的内槽形面相配合,合装时和合装后,上脚板(51)和下脚板(52)分别位于上定位槽(31)和下定位槽(41)内。
10.根据权利要求8所述凹形主梁风电叶片,其特征在于,在上脚板(51)的上顶面和下脚板(52)的下底面上分别设置有纵向的上定位凸筋(53)和下定位凸筋(54),相应地,将上主梁(3)的上定位槽(31)的内形面和下主梁(4)的下定位槽(41)的内形面分别设置成能够与上定位凸筋(53)和下定位凸筋(54)的外形面相配合的形面,合装时,单腹板(5)的上脚板(51)的上定位凸筋(53)装在上主梁(3)的上定位槽(31)内,单腹板(5)的下脚板(52)的下定位凸筋(54)装在下主梁(4)的下定位槽(41)内。
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CN113374628A (zh) * | 2021-06-02 | 2021-09-10 | 株洲时代新材料科技股份有限公司 | 一种风电叶片用轻量化主梁、主梁制作方法、风电叶片及其制作方法 |
CN113787658A (zh) * | 2021-09-10 | 2021-12-14 | 常州市宏发纵横新材料科技股份有限公司 | 模块化风电叶片及其制造方法 |
WO2022007610A1 (zh) * | 2020-07-07 | 2022-01-13 | 株洲时代新材料科技股份有限公司 | 一种带凹型结构的风电叶片用轻量化主梁及制作、主梁结构组合、风电叶片及其制作方法 |
WO2023185540A1 (zh) * | 2022-03-31 | 2023-10-05 | 振石集团华智研究院(浙江)有限公司 | 一种风电叶片用结构增强件及风电叶片 |
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CN114571714A (zh) * | 2022-02-07 | 2022-06-03 | 常州市新创智能科技有限公司 | 一种芯材组合式复合材料风电叶片及其制造方法 |
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- 2021-06-02 CN CN202110614148.4A patent/CN113263732B/zh active Active
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- 2021-06-17 WO PCT/CN2021/100667 patent/WO2022007610A1/zh unknown
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WO2022007610A1 (zh) * | 2020-07-07 | 2022-01-13 | 株洲时代新材料科技股份有限公司 | 一种带凹型结构的风电叶片用轻量化主梁及制作、主梁结构组合、风电叶片及其制作方法 |
CN113374628A (zh) * | 2021-06-02 | 2021-09-10 | 株洲时代新材料科技股份有限公司 | 一种风电叶片用轻量化主梁、主梁制作方法、风电叶片及其制作方法 |
CN113787658A (zh) * | 2021-09-10 | 2021-12-14 | 常州市宏发纵横新材料科技股份有限公司 | 模块化风电叶片及其制造方法 |
WO2023274423A1 (zh) * | 2021-09-10 | 2023-01-05 | 常州市宏发纵横新材料科技股份有限公司 | 模块化风电叶片及其制造方法 |
WO2023185540A1 (zh) * | 2022-03-31 | 2023-10-05 | 振石集团华智研究院(浙江)有限公司 | 一种风电叶片用结构增强件及风电叶片 |
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EP3964352B1 (en) | 2024-02-14 |
US20220186708A1 (en) | 2022-06-16 |
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MX2021012722A (es) | 2022-04-18 |
EP3964352A4 (en) | 2022-11-09 |
BR112021021927A2 (pt) | 2022-02-08 |
EP3964352A1 (en) | 2022-03-09 |
WO2022007610A1 (zh) | 2022-01-13 |
CN113263732B (zh) | 2022-05-20 |
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