CN106241598A - Wind electricity blade web hanging method - Google Patents

Wind electricity blade web hanging method Download PDF

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Publication number
CN106241598A
CN106241598A CN201610726777.5A CN201610726777A CN106241598A CN 106241598 A CN106241598 A CN 106241598A CN 201610726777 A CN201610726777 A CN 201610726777A CN 106241598 A CN106241598 A CN 106241598A
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China
Prior art keywords
web
blade
distance
shaped block
hoisting
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CN201610726777.5A
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CN106241598B (en
Inventor
刘玉辉
王峥
王清志
刘志杰
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Chongqing Chengfei New Materials Co ltd
Jilin Chengfei New Materials Co ltd
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Jilin Chong Tongchengfei New Material Joint-Stock Co
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
    • F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
    • 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
    • F05B2230/00—Manufacture
    • F05B2230/60—Assembly methods
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)

Abstract

The present invention relates to technical field of wind power generation, disclose a kind of wind electricity blade web hanging method, including: S1: after type is repaiied in the web demoulding, from the beginning of at web position length 4m in a mold, fixes one piece U-shaped piece spaced a predetermined distance to length direction；S2: before lifting web, according to web correspondence blade root, blade and blade tip trizonal leading edge web and the width of trailing edge web medial gap, select the hoisting tool supporting with internal layer width dimensions；S3: hoisting tool is installed in the base region corresponding at web；S4: repeat S3 step, to install the hoisting tool of blade, tip region at blade corresponding to web, tip region；S5: after fixing to three hoisting tools and driving, with driving, web is lifted to bonding region；S6: after being placed on housing by web, takes off hoisting tool.The present invention decreases the labor intensity of operator compared with conventional harness lifting web by the use of rotary fixture, improves production efficiency, it is ensured that product quality.

Description

风电叶片腹板吊装方法Wind power blade web hoisting method

技术领域technical field

本发明涉及风电叶片制造技术领域，特别涉及一种风电叶片腹板吊装方法。The invention relates to the technical field of wind power blade manufacturing, in particular to a method for hoisting a wind power blade web.

背景技术Background technique

风电叶片作为机组的核心部件，风电叶片技术是风力发电系统的核心技术之一，其主要由叶片的吸力面(SS)壳体、压力面(PS)壳体与腹板通过粘接剂粘接而成，腹板包括前缘腹板和与其对称设置的后缘腹板。腹板吊装是腹板结构与壳体粘接的第一步，吊装的方法决定了腹板的质量及后续叶片的生产效率。Wind power blades are the core components of the unit, and wind power blade technology is one of the core technologies of the wind power generation system. It is mainly composed of the suction side (SS) shell of the blade, the pressure side (PS) shell and the web through adhesive bonding. The web includes a leading edge web and a trailing edge web symmetrically arranged therewith. Web hoisting is the first step in bonding the web structure to the shell, and the hoisting method determines the quality of the web and the production efficiency of subsequent blades.

传统腹板吊装方法是使用绑带将腹板由SS粘接面托起后与行车固定进行运输，吊装至合适位置后将绑带抽出。此方法浪费时间，劳动强度大。并且影响腹板粘接和定位效果。The traditional web hoisting method is to use straps to lift the web from the SS adhesive surface and then fix it with the truck for transportation. After hoisting to a suitable position, pull out the straps. This method is time-consuming and labor-intensive. And affect the web bonding and positioning effect.

发明内容Contents of the invention

本发明提出一种风电叶片腹板吊装方法，解决了现有技术中效率低、劳动强度大，而且影响腹板粘接和定位效果的问题。The invention proposes a method for hoisting the web of a wind power blade, which solves the problems in the prior art of low efficiency, high labor intensity, and affecting the effect of bonding and positioning of the web.

本发明的一种风电叶片腹板吊装方法，包括：A method for hoisting a web of a wind power blade according to the present invention, comprising:

S1：腹板脱模修型后，从腹板在模具中的定位长度4m处开始，向长度方向间隔预定距离固定一块U型块，以保证在腹板长度方向上的预定区域的前缘腹板和后缘腹板的内侧间隙的宽度达到预定宽度，所述预定距离为1.8～2.2米；S1: After the web is removed from the mold and repaired, start from the 4m positioning length of the web in the mold, and fix a U-shaped block at a predetermined distance in the length direction to ensure that the leading edge of the web in the predetermined area in the length direction of the web The width of the inner gap between the plate and the rear edge web reaches a predetermined width, and the predetermined distance is 1.8 to 2.2 meters;

S2：起吊腹板前，根据腹板对应叶根、叶身和叶尖三个区域的前缘腹板和后缘腹板内侧间隙的宽度，选择与内层宽度尺寸配套的起吊工装；S2: Before lifting the web, according to the width of the inner gap between the leading edge web and the trailing edge web corresponding to the three areas of the blade root, blade body and blade tip, select the lifting tool that matches the width of the inner layer;

S3：在腹板对应的叶根区域，将起吊工装的内侧工装旋转至与腹板轴向平行，外侧工装与腹板轴向垂直，将内侧工装通过腹板内侧间隙放入，旋转内侧工装使其与腹板轴向垂直，外侧工装卡住前缘腹板和后缘腹板各自的外侧；S3: In the area of the blade root corresponding to the web, rotate the inner tooling of the lifting tool to be parallel to the axial direction of the web, and the outer tooling is perpendicular to the axial direction of the web, put the inner tooling through the inner gap of the web, and rotate the inner tooling so that It is perpendicular to the axial direction of the web, and the outer tooling clamps the respective outer sides of the leading edge web and the trailing edge web;

S4：在腹板对应的叶身、叶尖区域重复S3步骤，以安装叶身、叶尖区域的起吊工装；S4: Repeat step S3 on the blade body and blade tip area corresponding to the web to install the lifting tooling in the blade body and blade tip area;

S5：将三个起吊工装与行车固定后，用行车将腹板吊装至叶片的吸力面壳体及压力面壳体分别与腹板粘接的粘接区域；S5: After fixing the three lifting fixtures with the crane, use the crane to hoist the web to the bonding area where the suction side shell and the pressure side shell of the blade are bonded to the web respectively;

S6：将腹板放置在壳体上后，取下起吊工装。S6: After placing the web on the shell, remove the lifting tool.

其中，所述步骤S1中采用手糊玻纤布的方式固定所述U型块。Wherein, in the step S1, the U-shaped block is fixed by hand lay-up of glass fiber cloth.

其中，所述步骤S1中，所述预定距离为2米。Wherein, in the step S1, the predetermined distance is 2 meters.

其中，距腹板在模具中的定位端开始，离定位端距离不同的粘接区域与U型块长度的对应关系为：4.5m-14m距离的粘接区域对应的U型块长度为180mm，16m-22m距离的粘接区域对应的U型块距离为170mm，24m-30m距离的粘接区域对应的U型块长度为180mm，32m-38m距离的粘接区域对应的U型块长度为190mm，40m-48m距离的粘接区域对应的U型块长度为180mm。Among them, starting from the positioning end of the web in the mold, the corresponding relationship between the bonding area with different distances from the positioning end and the length of the U-shaped block is: the length of the U-shaped block corresponding to the bonding area at a distance of 4.5m-14m is 180mm, The distance of the U-shaped block corresponding to the bonding area of 16m-22m is 170mm, the length of the U-shaped block corresponding to the bonding area of 24m-30m is 180mm, and the length of the U-shaped block corresponding to the bonding area of 32m-38m is 190mm , The length of the U-shaped block corresponding to the bonding area at a distance of 40m-48m is 180mm.

本发明的方法中采用腹板起吊工装将腹板吊装至粘接区域，而且采用U型块保证在吊装过程中前后腹板间的间距，极大的降低了腹板吊装的时间，提高生产效率，不会对腹板粘接面造成破坏，不会影响粘接效果，去掉工装的过程也不会影响腹板原有的定位，极大的提高产品的质量及安全性。In the method of the present invention, the web hoisting tool is used to hoist the web to the bonding area, and the U-shaped block is used to ensure the distance between the front and rear webs during the hoisting process, which greatly reduces the time of web hoisting and improves production efficiency , will not cause damage to the bonding surface of the web, will not affect the bonding effect, and the process of removing the tooling will not affect the original positioning of the web, which greatly improves the quality and safety of the product.

附图说明Description of drawings

为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings without any creative effort.

图1为本发明的风电叶片腹板吊装方法中腹板沿长度方向上制作U型块的间隔距离示意图；Fig. 1 is a schematic diagram of the spacing distance of making U-shaped blocks along the length direction of the web in the wind power blade web hoisting method of the present invention;

图2为本发明的风电叶片腹板吊装方法中在前后缘腹板之间制作完U型块后的截面示意图；Fig. 2 is a schematic cross-sectional view after U-shaped blocks are made between the front and rear edge webs in the method for hoisting wind power blade webs of the present invention;

图3为本发明的风电叶片腹板吊装方法采用的起吊工装示意图；Fig. 3 is a schematic diagram of the lifting tooling used in the wind power blade web lifting method of the present invention;

图4为本发明的风电叶片腹板吊装方法中采用工装吊装腹板的结构示意图；Fig. 4 is a structural schematic diagram of using tooling to lift the web in the wind power blade web lifting method of the present invention;

图5为腹板与叶片壳体粘接后的示意图。Fig. 5 is a schematic diagram after bonding the web and the blade shell.

具体实施方式detailed description

下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

本实施例的一种风电叶片腹板吊装方法，包括：A method for hoisting a web of a wind turbine blade in this embodiment includes:

步骤S1，如图1所示，腹板脱模修型后，从腹板在模具中的定位长度4m处开始，向长度方向间隔预定距离固定一块U型块，以保证在腹板长度方向上的预定区域(即在粘接时的粘接区域)的前缘腹板和后缘腹板的内侧间隙的宽度达到预定宽度，所述预定距离为1.8～2.2米。固定完U型块后的截面图如图2所示，前缘腹板1和后缘腹板2内侧的间隙固定U型块3，截面的上下两端各固定一块U型块3，以保证前缘腹板1和后缘腹板2内侧间隙达到预定宽度。Step S1, as shown in Figure 1, after the web is removed from the mold and repaired, start from the positioning length of the web in the mold at 4m, and fix a U-shaped block at a predetermined distance in the length direction to ensure that the length of the web in the length direction The width of the inner gap between the leading edge web and the trailing edge web in the predetermined area (that is, the bonding area during bonding) reaches a predetermined width, and the predetermined distance is 1.8-2.2 meters. The cross-sectional view after the U-shaped block is fixed is shown in Figure 2. The U-shaped block 3 is fixed in the gap between the front edge web 1 and the rear edge web 2, and a U-shaped block 3 is fixed at the upper and lower ends of the section to ensure The inner gap between the leading edge web 1 and the trailing edge web 2 reaches a predetermined width.

步骤S2，起吊腹板前，根据腹板对应叶根、叶身和叶尖三个区域的前缘腹板和后缘腹板内侧间隙的宽度，选择与内层宽度尺寸配套的起吊工装。如图3所示，起吊工装包括：立柱4，外侧工装5和内侧工装6，外侧工装5和内侧工装6形状相同，内侧工装6的尺寸小于外侧工装5，内侧工装5可绕立柱4的轴线转动地安装在立柱4的一端，外侧工装5固定在内侧工装6上方。由于叶片在长度方向上尺寸不同，因此需要的起吊工装尺寸也不同。Step S2, before lifting the web, according to the width of the inner gap between the leading edge web and the trailing edge web corresponding to the three regions of the blade root, blade body and blade tip, a lifting tool matching the width of the inner layer is selected. As shown in Figure 3, the lifting tooling includes: a column 4, an outer tooling 5 and an inner tooling 6, the outer tooling 5 and the inner tooling 6 have the same shape, the size of the inner tooling 6 is smaller than the outer tooling 5, and the inner tooling 5 can be around the axis of the column 4 It is rotatably installed at one end of the column 4, and the outer frock 5 is fixed above the inner frock 6. Due to the different dimensions of the blades in the length direction, the dimensions of the lifting fixtures required are also different.

步骤S3，如图4所示，在腹板对应的叶根区域，将起吊工装的内侧工装6旋转至与腹板轴向平行，外侧工装5与腹板轴向垂直，将内侧工装通过腹板内侧间隙放入，旋转内侧工装6使其与腹板轴向垂直，外侧工装5卡住前缘腹板1和后缘腹板2各自的外侧，即外侧工装5两端的间距稍大于外侧间距r2，内侧工装6两端的间距稍小于内侧间距r1。Step S3, as shown in Figure 4, in the blade root region corresponding to the web, rotate the inner tooling 6 of the lifting tool to be parallel to the axial direction of the web, and the outer tooling 5 is perpendicular to the axial direction of the web, and pass the inner tooling through the web Put in the inner gap, rotate the inner tooling 6 so that it is perpendicular to the web axis, and the outer tooling 5 clamps the respective outer sides of the leading edge web 1 and the rear edge web 2, that is, the distance between the two ends of the outer tooling 5 is slightly larger than the outer distance r2 , the distance between the two ends of the inner frock 6 is slightly smaller than the inner distance r1.

步骤S4，在腹板对应的叶身、叶尖区域重复S3步骤，以安装叶身、叶尖区域的起吊工装；Step S4, repeating step S3 in the blade body and blade tip area corresponding to the web, so as to install the lifting tooling in the blade body and blade tip area;

步骤S5，将三个起吊工装与行车固定后，用行车将腹板吊装至叶片的吸力面壳体及压力面壳体分别与腹板粘接的粘接区域；Step S5, after fixing the three lifting tools and the crane, hoist the web plate to the bonding area where the suction side shell and the pressure side shell of the blade are bonded to the web respectively by the crane;

步骤S6，如图5所示，将腹板放置在壳体上后，取下起吊工装。具体地，分别将叶根、叶身和叶尖处内侧工装旋转至与腹板轴向平行，将腹板吊装工装从腹板内侧间隙处取出，放置在工装存放处待下次使用。其中，叶片截面圆弧的一端为前缘，尖头的一端为后缘，叶片上与腹板粘接的区域形成有PS梁帽7和SS梁帽8。Step S6, as shown in Fig. 5, after the web is placed on the shell, the lifting tool is removed. Specifically, rotate the inner tooling at the blade root, blade body, and blade tip to be parallel to the axial direction of the web, take out the web hoisting tooling from the inner gap of the web, and place it in the tooling storage place for next use. Wherein, one end of the circular arc of the blade section is the leading edge, and one end of the pointed end is the trailing edge, and PS spar caps 7 and SS spar caps 8 are formed on the blade bonding area with the web.

本实施例的方法中采用腹板起吊工装将腹板吊装至粘接区域，而且采用U型块保证在吊装过程中前后腹板间的间距，极大的降低了腹板吊装的时间，提高生产效率，不会对腹板粘接面造成破坏，不会影响粘接效果，去掉工装的过程也不会影响腹板原有的定位，极大的提高产品的质量及安全性。In the method of this embodiment, the web hoisting tool is used to hoist the web to the bonding area, and the U-shaped block is used to ensure the distance between the front and rear webs during the hoisting process, which greatly reduces the time of web hoisting and improves production. High efficiency, it will not cause damage to the bonding surface of the web, will not affect the bonding effect, and the process of removing the tooling will not affect the original positioning of the web, which greatly improves the quality and safety of the product.

本实施例中，步骤S1中采用手糊玻纤布的方式固定U型块3，玻纤布质量轻，而且手糊方式是在固定好前缘腹板1和后缘腹板2后进行，能够保持前缘腹板1和后缘腹板2的间距不会因为固定U型块3而发生微小变化。In this embodiment, in step S1, the U-shaped block 3 is fixed by laying up glass fiber cloth by hand. The glass fiber cloth is light in weight, and the hand lay-up method is carried out after the leading edge web 1 and the trailing edge web 2 are fixed. It can keep the distance between the leading edge web 1 and the trailing edge web 2 from changing slightly due to the fixing of the U-shaped block 3 .

步骤S1中，预定距离为2米，以方便测量。In step S1, the predetermined distance is 2 meters to facilitate measurement.

本实施例中，距腹板在模具中的定位端开始，离定位端不同距离的粘接区域与U型块长度的对应关系为：4.5m-14m距离的粘接区域对应的U型块长度为180mm，16m-22m距离的粘接区域对应的U型块距离为170mm，24m-30m距离的粘接区域对应的U型块长度为180mm，32m-38m距离的粘接区域对应的U型块长度为190mm，40m-48m距离的粘接区域对应的U型块长度为180mm。具体见下表：In this embodiment, starting from the positioning end of the web in the mold, the corresponding relationship between the bonding area at different distances from the positioning end and the length of the U-shaped block is: the length of the U-shaped block corresponding to the bonding area at a distance of 4.5m-14m The distance of the U-shaped block corresponding to the bonding area of 16m-22m is 170mm, the length of the U-shaped block corresponding to the bonding area of 24m-30m is 180mm, and the corresponding U-shaped block of the bonding area of 32m-38m The length is 190mm, and the length of the U-shaped block corresponding to the bonding area at a distance of 40m-48m is 180mm. See the table below for details:

粘接区域离定位端距离The distance between the bonding area and the positioning end 4.5m-14m4.5m-14m 16m-22m16m-22m 24m-30m24m-30m 32m-38m32m-38m 40m-48m40m-48m U型块长度U-block length 180mm180mm 170mm170mm 180mm180mm 190mm190mm 180mm180mm

由于叶片的形状在其长度方向上的变化，因此U型块的长度(即前后缘腹板的内侧间隙的距离)也不同，上述粘接区域离定位端距离与U型块长度的对应关系更加适合叶片的形状，使得腹板和叶片壳体粘接更牢固。Due to the change of the shape of the blade in its length direction, the length of the U-shaped block (that is, the distance of the inner gap of the front and rear edge webs) is also different. Suitable for the shape of the blade, making the bonding between the web and the blade shell stronger.

以上所述仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (4)

1. a wind electricity blade web hanging method, it is characterised in that including:
S1: after type is repaiied in the web demoulding, from the beginning of at web position length 4m in a mold, to length direction spaced a predetermined distance Fix one piece U-shaped piece, to ensure leading edge web and the medial gap of trailing edge web of the presumptive area on web length direction Width reach preset width, described preset distance is 1.8～2.2 meters；
S2: before lifting web, inside web correspondence blade root, blade and blade tip trizonal leading edge web and trailing edge web The width in gap, selects the hoisting tool supporting with internal layer width dimensions；
S3: in the base region that web is corresponding, rotates the inner side frock of hoisting tool to axially in parallel with web, outside frock Axially vertical with web, inner side frock to be put into by web medial gap, rotated inside frock makes it axially vertical with web, Outside frock blocks leading edge web and the respective outside of trailing edge web；
S4: repeat S3 step, to install the hoisting tool of blade, tip region at blade corresponding to web, tip region；
S5: after fixing to three hoisting tools and driving, with driving, web is lifted the suction surface housing to blade and pressure face The bonding region that housing is bonding with web respectively；
S6: after being placed on housing by web, takes off hoisting tool.
2. wind electricity blade web hanging method as claimed in claim 1, it is characterised in that use hands to stick with paste glass in described step S1 The mode of fine cloth fixes described U-shaped piece.
3. wind electricity blade web hanging method as claimed in claim 1, it is characterised in that in described step S1, described predetermined Distance is 2 meters.
4. the wind electricity blade web hanging method as according to any one of claims 1 to 3, it is characterised in that away from web at mould Positioning end in tool starts, and from positioning end apart from the corresponding relation of different bonding regions with U-shaped block length is: 4.5m-14m away from From U-shaped piece of distance corresponding to the bonding region that U-shaped block length is 180mm, 16m-22m distance corresponding to bonding region be The bonding region that U-shaped block length is 180mm, 32m-38m distance that the bonding region of 170mm, 24m-30m distance is corresponding is corresponding U-shaped block length be the U-shaped block length that the bonding region of 190mm, 40m-48m distance is corresponding be 180mm.
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