CN216506289U - Blade filling device - Google Patents
Blade filling device Download PDFInfo
- Publication number
- CN216506289U CN216506289U CN202122576677.8U CN202122576677U CN216506289U CN 216506289 U CN216506289 U CN 216506289U CN 202122576677 U CN202122576677 U CN 202122576677U CN 216506289 U CN216506289 U CN 216506289U
- Authority
- CN
- China
- Prior art keywords
- blade
- pipe
- area
- rear edge
- pipes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- External Artificial Organs (AREA)
Abstract
The utility model provides a blade filling device which comprises a blade prefabricated part, a guide pipe assembly and a first air exhaust bag, wherein the guide pipe assembly is arranged on the blade prefabricated part and comprises a plurality of chord-direction pipes and a plurality of axial pipes, the chord-direction pipes are positioned in a blade root area of the blade prefabricated part, the axial pipes are positioned in a blade leaf area of the blade prefabricated part and a blade tip area of the blade prefabricated part, and the first air exhaust bag is arranged on the edge of the rear edge of the blade prefabricated part. The chord of following the nozzle subassembly is opened through the selectivity to pipe and axial pipe, and the nozzle subassembly can be divided the region to the blade prefab and pour into, shortens the filling time, sets up first air pocket of taking out through the trailing edge at the blade prefab, can guide resin to the trailing edge flow, promotes the infiltration in trailing edge region, and blade perfusion device can reduce the quality defect that the blade was poured.
Description
Technical Field
The utility model relates to the field of blade production, in particular to a blade filling device.
Background
The wind power blade is mainly made of glass fiber reinforced plastics, and the main materials for forming the glass fiber reinforced plastics are glass fiber and resin. When the blade is produced, glass fiber is laid according to the mould of the blade, then a vacuum and flow guide system is manufactured, a vacuum pump is used for pumping air in the glass fiber to form vacuum, resin is infused into the glass fiber under the action of external pressure, and then the glass fiber is heated and cured to form glass fiber reinforced plastic.
On one hand, with the rapid increase of the design power of the offshore wind power, the size of the blade is increased, the pouring time required for pouring the large-size blade by the traditional pouring mode is too long, and with the increase of the pouring time, the temperature of the resin is increased, the viscosity is increased, and the wettability is poor, so that the quality defect of the local position of the product is caused; on the other hand, in the traditional pouring process, the resin flow directions are mainly two, one is from the blade root to the blade tip of the blade, the other is from the lowest point to the highest point of the blade, and the most important trailing edge position of the blade is just at the highest point of a product and is at the position which is least easy to be soaked, so that quality defects are easy to occur.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a blade filling device which can reduce the quality defect of blade filling.
According to the embodiment of the utility model, the blade filling device comprises a blade prefabricated part, a guide pipe assembly and a first air exhaust bag, wherein the guide pipe assembly is installed on the blade prefabricated part, the guide pipe assembly comprises a plurality of chord-direction pipes and a plurality of axial pipes, the chord-direction pipes are located in a blade root area of the blade prefabricated part, the axial pipes are located in a blade leaf area of the blade prefabricated part and a blade tip area of the blade prefabricated part, and the first air exhaust bag is installed on the rear edge of the blade prefabricated part.
According to the blade perfusion device provided by the embodiment of the utility model, at least the following technical effects are achieved: the chord-wise pipe and the axial pipe of nozzle subassembly are opened through the selectivity, and the nozzle subassembly can be poured the blade prefab into by the subregion, shortens the filling time, makes the local position of product quality defect difficult for appearing, sets up first air pocket of taking out through the trailing edge at the blade prefab, can guide resin to flow to the trailing edge, promotes the soaking in trailing edge region, makes the difficult quality defect that appears in product trailing edge, and blade perfusion device can reduce the quality defect that the blade was poured.
According to some embodiments of the utility model, the axial tube comprises a main tube extending from the intersection of the root region and the lobe region to the end of the tip region, the main tube being adapted to the mounting position of the trailing edge beam in the tip region, the mounting position of the first suction bag being adapted to the mounting position of the trailing edge beam.
According to some embodiments of the utility model, the chordwise tubes include first, second and third tubes, the axial tubes include fourth, fifth, sixth, seventh, eighth and ninth tubes located on a side of a trailing edge of the spar cap region, the axial tubes include tenth, eleventh, twelfth, thirteenth, fourteenth and fifteenth tubes located on a side of a leading edge of the spar cap region, and the seventh tube is the main tube.
According to some embodiments of the utility model, the blade filling device comprises a flow guide net assembly and a second air suction bag, the flow guide net assembly is laid on the blade prefabricated member, the flow guide net assembly is axially broken in the area of the rear edge of the beam cap of the blade prefabricated member to form a first notch, the second air suction bag is installed on the rear edge of the beam cap of the blade prefabricated member, and the second air suction bag is matched with the first notch.
According to some embodiments of the utility model, the width of the first notch is 200mm and the width of the second suction bag is 500 mm.
According to some embodiments of the utility model, the air guide net assembly is broken along a chord direction at a junction position of the blade root area and the blade leaf area to form a second gap, and the blade filling device comprises a third air suction bag which is matched with the second gap.
According to some embodiments of the utility model, the blade perfusion device comprises a glue-blocking strip mounted chordwise on the blade preform in a position corresponding to the second notch.
According to some embodiments of the utility model, the flow guiding mesh assembly comprises a single layer of flow guiding mesh, which is laid in the spar cap area of the blade preform.
According to some embodiments of the utility model, the flow guiding net assembly comprises a double layer of flow guiding net, the double layer of flow guiding net is laid on the leading edge side and the trailing edge side of the spar cap area, and the double layer of flow guiding net is also laid on the blade root area.
According to some embodiments of the utility model, the double layer of flow guiding mesh on the leading edge side of the spar cap region extends from the spar cap leading edge of the blade preform to the leading edge inner flange side of the blade preform, and the double layer of flow guiding mesh on the trailing edge side of the spar cap region extends from the edge of the first gap to the trailing edge of the blade preform.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a general schematic view of a leaf irrigation device according to an embodiment of the utility model;
FIG. 2 is a partial schematic view of a vane infusion device with a flow directing screen assembly removed in accordance with an embodiment of the present invention;
FIG. 3 is a partial schematic view of the blade perfusion apparatus of an embodiment of the present invention with the second air evacuation bag removed.
Reference numerals:
a first region 110, a second region 120, a third region 130, a fourth region 140, a fifth region 150,
A first tube 201, a second tube 202, a third tube 203, a fourth tube 204, a fifth tube 205, a sixth tube 206, a seventh tube 207, an eighth tube 208, a ninth tube 209, a tenth tube 210, an eleventh tube 211, a twelfth tube 212, a thirteenth tube 213, a fourteenth tube 214, a fifteenth tube 215, a,
A first gap 310, a second gap 320, a single-layer flow guide net 330, a double-layer flow guide net 340,
The second air pumping bag 410,
A glue blocking strip 510.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
The blade filling device provided by the embodiment of the utility model comprises a blade prefabricated part, a guide pipe assembly and a first air exhaust bag, wherein the guide pipe assembly is installed on the blade prefabricated part and comprises a plurality of chord-direction pipes and a plurality of axial pipes, the chord-direction pipes are positioned in a blade root area of the blade prefabricated part, the axial pipes are positioned in a blade leaf area of the blade prefabricated part and a blade tip area of the blade prefabricated part, and the first air exhaust bag is installed on the edge of the rear edge of the blade prefabricated part.
The traditional pouring mode has the problems of long pouring time and difficulty in soaking the rear edge area, and the product quality defect is easily caused. According to the blade filling device provided by the embodiment of the utility model, the chord-direction pipe and the axial pipe of the guide pipe assembly are selectively opened, the guide pipe assembly can perform regional filling on the blade prefabricated member, the filling time is shortened, the quality defect of the local position of a product is not easy to occur, the first air suction bag is arranged on the edge of the rear edge of the blade prefabricated member, resin can be guided to flow to the rear edge, the permeation of the rear edge region is promoted, the quality defect of the rear edge of the product is not easy to occur, and the quality defect of the filling of the blade can be reduced.
It is understood that the blade preform refers to a semi-finished product of the blade comprising glass fibers and other raw materials, the blade preform is prepared on a mold of the blade when the blade is poured, and the blade is obtained by pouring the blade preform.
The first pumping bag guides the resin to flow by generating local suction, and the guiding effect of the first pumping bag can be improved by selecting a proper mounting position of the first pumping bag. In some embodiments, the mounting position of the first air suction bag is matched with the mounting position of the trailing edge beam.
In some embodiments, the axial tube comprises a main tube extending from an intersection of the root region and the lobe region to a distal end of the tip region, the main tube being mounted in the tip region in a position matching a mounting position of the trailing edge beam. The axial pipe can play the axial drainage effect, extends the main pipe of axial pipe to the apex to the position that makes the main pipe and the blade prefab on the mounted position looks adaptation of trailing edge roof beam, can improve the drainage effect to apex region and near trailing edge roof beam region, make this region be difficult for appearing quality defect.
The number of chord-wise and axial tubes can be designed according to the actual parameters of the blade product. In some embodiments, the chordal pipes include a first pipe 201, a second pipe 202, and a third pipe 203, the axial pipes include a fourth pipe 204, a fifth pipe 205, a sixth pipe 206, a seventh pipe 207, an eighth pipe 208, and a ninth pipe 209 on the trailing edge side of the spar cap region, the axial pipes include a tenth pipe 210, an eleventh pipe 211, a twelfth pipe 212, a thirteenth pipe 213, a fourteenth pipe 214, and a fifteenth pipe 215 on the leading edge side of the spar cap region, and the seventh pipe 207 is a main pipe.
For example, in some embodiments, a fourth tube 204, a fifth tube 205, a sixth tube 206, a seventh tube 207, an eighth tube 208, a ninth tube 209, a tenth tube 210, an eleventh tube 211, a twelfth tube 212, a thirteenth tube 213, a fourteenth tube 214, and a fifteenth tube 215 are arranged as shown in FIG. 2, the blade preform is divided into a first zone 110, a second zone 120, a third zone 130, a fourth zone 140, and a fifth zone 150, the first zone 110 corresponds to the root region, the fifth zone 150 corresponds to the tip region, the third zone 130 is located in the middle of the lobe region, the second zone 120 is located on the leading edge side of the lobe region, and the fourth zone 140 is located on the trailing edge side of the lobe region.
During pouring, the first pipe 201 of the first section 110, the eleventh pipe 211 of the second section 120 and the seventh pipe 207 of the fourth section 140 are simultaneously opened to introduce the resin, and the remaining chord-wise pipes and axial pipes are sequentially opened in a divisional manner according to the flow condition of the resin, and the opening of each section is not affected by the other sections.
According to some embodiments of the present invention, the blade filling device includes a flow guiding net assembly and a second air suction bag 410, the flow guiding net assembly is laid on the blade preform, the flow guiding net assembly is axially broken in the area of the cap rear edge of the blade preform to form a first notch 310, the second air suction bag 410 is installed on the cap rear edge of the blade preform, and the second air suction bag 410 is adapted to the first notch 310. The diversion net assembly also has a diversion effect, the resin flow direction of the position of the first notch 310 can be adjusted by arranging the first notch 310, and the second air suction bag 410 can be adjusted by matching with the first notch 310.
In some embodiments, the width of the first notch 310 is 200mm and the width of the second suction bag 410 is 500 mm.
According to some embodiments of the present invention, the air guide net assembly is broken along the chord direction at the junction of the blade root area and the blade leaf area to form a second gap 320, and the blade filling device includes a third air suction bag, and the third air suction bag is adapted to the second gap 320. The second notch 320 and the third pumping bag are matched with each other to adjust the resin flowing direction at the position of the second notch 320.
In some embodiments, the blade perfusion apparatus includes a glue-blocking strip 510, and the glue-blocking strip 510 is installed on the blade preform at a position corresponding to the second notch 320 along the chord direction. The glue-blocking strip 510 can block the flow of the resin, and prevent the first region 110 and the fourth region 140 from interfering with each other when the resin is poured.
According to some embodiments of the utility model, the flow guiding mesh assembly comprises a single layer of flow guiding mesh 330, the single layer of flow guiding mesh 330 being laid on the spar cap area of the blade preform. In some embodiments, the flow directing screen assembly includes a double layer flow directing screen 340, the double layer flow directing screen 340 being laid on both the leading edge side and the trailing edge side of the spar cap region, the double layer flow directing screen 340 also being laid on the root region. The double-layer flow guide net 340 on the front edge side of the beam cap area extends from the front edge of the beam cap of the blade prefabricated member to the inner flange side of the front edge of the blade prefabricated member, and the double-layer flow guide net 340 on the rear edge side of the beam cap area extends from the edge of the first notch 310 to the rear edge of the blade prefabricated member.
The leaf perfusion apparatus according to an embodiment of the present invention will be described in detail with reference to fig. 1, 2, and 3 as a specific embodiment. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the utility model.
The blade filling device comprises a blade prefabricated part, a guide pipe component, a guide net component, an air exhaust bag component and a glue blocking strip 510.
The blade prefabricated part is divided into a first area 110, a second area 120, a third area 130, a fourth area 140 and a fifth area 150, the first area 110 corresponds to a blade root area, the fifth area 150 corresponds to a blade tip area, the third area 130 is located in the middle of the blade leaf area, the second area 120 is located on the front edge side of the blade leaf area, and the fourth area 140 is located on the rear edge side of the blade leaf area.
The guide pipe assembly is installed on the blade prefabricated member and comprises a plurality of chord-wise pipes and a plurality of axial pipes, the chord-wise pipes comprise a first pipe 201, a second pipe 202 and a third pipe 203, the axial pipes comprise a fourth pipe 204, a fifth pipe 205, a sixth pipe 206, a seventh pipe 207, an eighth pipe 208 and a ninth pipe 209 which are located on the rear edge side of the beam cap area, the axial pipes comprise a tenth pipe 210, an eleventh pipe 211, a twelfth pipe 212, a thirteenth pipe 213, a fourteenth pipe 214 and a fifteenth pipe 215 which are located on the front edge side of the beam cap area, the seventh pipe 207 is a main pipe, the seventh pipe 207 extends to the tail end of the blade tip area from the junction position of the blade root area and the blade tip area, and the installation position of the seventh pipe 207 in the blade tip area is matched with the installation position of the rear edge beam.
The guide net assembly is laid on the blade prefabricated member and comprises a single-layer guide net 330 and a double-layer guide net 340, the single-layer guide net 330 is laid in a beam cap area of the blade prefabricated member, the double-layer guide net 340 is laid on one side of the front edge and one side of the rear edge of the beam cap area, and the double-layer guide net 340 is further laid in a blade root area. The double-layer flow guide net 340 on the front edge side of the beam cap area extends from the front edge of the beam cap of the blade prefabricated member to the inner flange side of the front edge of the blade prefabricated member, and the double-layer flow guide net 340 on the rear edge side of the beam cap area extends from the edge of the first notch 310 to the rear edge of the blade prefabricated member.
The air exhaust bag assembly comprises a first air exhaust bag, a second air exhaust bag 410 and a third air exhaust bag, the first air exhaust bag is installed on the edge of the rear edge of the blade prefabricated member, and the installation position of the first air exhaust bag is matched with that of the rear edge beam. The guide net assembly is axially broken in the area of the rear edge of the beam cap of the blade prefabricated member to form a first notch 310, the second air suction bag 410 is installed on the rear edge of the beam cap of the blade prefabricated member, and the second air suction bag 410 is matched with the first notch 310. The width of the first notch 310 is 200mm, and the width of the second air suction bag 410 is 500 mm. The guide net component is broken along the chord direction at the junction position of the blade root area and the blade leaf area to form a second notch 320, the blade filling device comprises a third air suction bag, and the third air suction bag is matched with the second notch 320. The glue stop strip 510 is mounted chordwise to the blade preform at a position corresponding to the second notch 320.
During pouring, the first pipe 201 of the first section 110, the eleventh pipe 211 of the second section 120 and the seventh pipe 207 of the fourth section 140 are simultaneously opened to introduce the resin, and the remaining chord-wise pipes and axial pipes are sequentially opened in a divisional manner according to the flow condition of the resin, and the opening of each section is not affected by the other sections.
According to the blade perfusion device provided by the embodiment of the utility model, at least some functions can be realized by adopting the design: the chord-wise pipe and the axial pipe of nozzle subassembly are opened through the selectivity, and the nozzle subassembly can be poured the blade prefab into by the subregion, shortens the filling time, makes the local position of product quality defect difficult for appearing, sets up first air pocket of taking out through the trailing edge at the blade prefab, can guide resin to flow to the trailing edge, promotes the soaking in trailing edge region, makes the difficult quality defect that appears in product trailing edge, and blade perfusion device can reduce the quality defect that the blade was poured.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A leaf perfusion apparatus, comprising:
a blade preform;
the guide pipe assembly is installed on the blade prefabricated part and comprises a plurality of chord-direction pipes and a plurality of axial pipes, the chord-direction pipes are located in a blade root area of the blade prefabricated part, and the axial pipes are located in a blade leaf area of the blade prefabricated part and a blade tip area of the blade prefabricated part;
a first air extraction pocket mounted at a trailing edge of the blade preform.
2. The leaf perfusion apparatus of claim 1, wherein: the axial pipe comprises a main pipe, the main pipe extends to the tail end of the blade tip area from the junction position of the blade root area and the blade leaf area, the installation position of the main pipe in the blade tip area is matched with the installation position of the rear edge beam, and the installation position of the first air exhaust bag is matched with the installation position of the rear edge beam.
3. The leaf perfusion apparatus of claim 2, wherein: the chord-wise pipes comprise a first pipe, a second pipe and a third pipe, the axial pipes comprise a fourth pipe, a fifth pipe, a sixth pipe, a seventh pipe, an eighth pipe and a ninth pipe which are positioned on one side of the rear edge of the beam cap area of the blade prefabricated member, the axial pipes comprise a tenth pipe, an eleventh pipe, a twelfth pipe, a thirteenth pipe, a fourteenth pipe and a fifteenth pipe which are positioned on one side of the front edge of the beam cap area, and the seventh pipe is the main pipe.
4. The leaf perfusion apparatus of claim 1, wherein: the blade filling device comprises a diversion net component and a second air pumping bag, the diversion net component is laid on the blade prefabricated member, the diversion net component is arranged on the beam cap rear edge area of the blade prefabricated member and is formed with a first notch along the axial direction, the second air pumping bag is arranged on the beam cap rear edge of the blade prefabricated member, and the second air pumping bag is matched with the first notch.
5. The leaf perfusion apparatus of claim 4, wherein: the width of the first gap is 200mm, and the width of the second air suction bag is 500 mm.
6. The leaf perfusion apparatus of claim 4, wherein: the guide net component is broken along the chord direction at the junction position of the blade root area and the blade leaf area to form a second notch, the blade filling device comprises a third air pumping bag, and the third air pumping bag is matched with the second notch.
7. The leaf perfusion apparatus of claim 6, wherein: the blade filling device comprises a rubber blocking strip, and the rubber blocking strip is installed at a position, corresponding to the second notch, on the blade prefabricated part along the chord direction.
8. The leaf perfusion apparatus of claim 4, wherein: the flow guide net assembly comprises a single-layer flow guide net, and the single-layer flow guide net is laid in a beam cap area of the blade prefabricated member.
9. The leaf perfusion apparatus of claim 8, wherein: the flow guide net assembly comprises double layers of flow guide nets, the double layers of flow guide nets are laid on one side of the front edge and one side of the rear edge of the beam cap area, and the double layers of flow guide nets are also laid on the blade root area.
10. The leaf perfusion apparatus of claim 9, wherein: the double-layer flow guide net on the front edge side of the beam cap area extends from the front edge of the beam cap of the blade prefabricated member to the front edge inner flange side of the blade prefabricated member, and the double-layer flow guide net on the rear edge side of the beam cap area extends from the edge of the first notch to the rear edge of the blade prefabricated member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122576677.8U CN216506289U (en) | 2021-10-25 | 2021-10-25 | Blade filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122576677.8U CN216506289U (en) | 2021-10-25 | 2021-10-25 | Blade filling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216506289U true CN216506289U (en) | 2022-05-13 |
Family
ID=81524265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122576677.8U Active CN216506289U (en) | 2021-10-25 | 2021-10-25 | Blade filling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216506289U (en) |
-
2021
- 2021-10-25 CN CN202122576677.8U patent/CN216506289U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102179885B (en) | The mould of structure blade and method | |
| CN101394990B (en) | Method and apparatus for providing polymer to be used at vacuum infusion | |
| EP2788176B1 (en) | Method of manufacturing a wind turbine blade and a wind turbine blade | |
| CN105934328B (en) | The method for manufacturing shear web using preform web foot flange | |
| CN102310570B (en) | Method of producing pre-bent wind turbine blades | |
| US8992819B2 (en) | Method for producing a wind turbine rotor blade part with a prefabricated main spar cap | |
| CN108466438B (en) | A kind of high stability glass reinforced plastic process units and its working method | |
| JP2009528195A5 (en) | ||
| CN109311252A (en) | The method for manufacturing wind turbine blade | |
| CN103213286B (en) | Wind turbine rotor blade with the trailing edge for including rove | |
| CN101754849A (en) | Method of using a formable core block for a resin impregnation process | |
| US20130049249A1 (en) | Method for producing a wind turbine rotor blade part with a carbon fiber-reinforced main spar cap | |
| CN104175570B (en) | Method for integrally preparing blade auxiliary beam and blade shell of megawatt wind turbine | |
| PT2030763E (en) | Evacuation process for use in a method for producing a composite structure | |
| US10151296B2 (en) | Blade for a wind turbine and a method for manufacturing a blade for a wind turbine | |
| CN104956071A (en) | Limp, elongate element with glass staple fibres | |
| CN216506289U (en) | Blade filling device | |
| CN102825799A (en) | Method of manufacturing oblong shell part, and shell part | |
| CN111716765A (en) | Prefabricated part, prefabricated part die, wind power blade and manufacturing method of wind power blade | |
| CN215243005U (en) | Long-distance glue solution filling system for wind power blade | |
| CN115583051B (en) | Apparatus, system and molding method for resin transfer molding | |
| CN110328869A (en) | A kind of the vacuum importing formation system and technique of Sandwich glass steel construction | |
| CN210362569U (en) | Glass fiber main beam filling mould with large width | |
| CN103612403B (en) | A kind of resin backflow auxiliary heating, vacuum method for filling and device | |
| CN109940906A (en) | Guiding device, priming by vacuum device and vacuum infusion method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |