CN221032931U - Wind-powered electricity generation blade trailing edge facade area fills structure - Google Patents
Wind-powered electricity generation blade trailing edge facade area fills structure Download PDFInfo
- Publication number
- CN221032931U CN221032931U CN202322918042.0U CN202322918042U CN221032931U CN 221032931 U CN221032931 U CN 221032931U CN 202322918042 U CN202322918042 U CN 202322918042U CN 221032931 U CN221032931 U CN 221032931U
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- China
- Prior art keywords
- trailing edge
- inner core
- glue
- glass fiber
- fiber cloth
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- 230000005611 electricity Effects 0.000 title claims description 14
- 239000003292 glue Substances 0.000 claims abstract description 58
- 239000004744 fabric Substances 0.000 claims abstract description 48
- 239000003365 glass fiber Substances 0.000 claims abstract description 43
- 238000005187 foaming Methods 0.000 claims abstract description 21
- 230000000903 blocking effect Effects 0.000 claims abstract description 16
- 239000011241 protective layer Substances 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000037303 wrinkles Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000005253 cladding Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Wind Motors (AREA)
Abstract
The utility model relates to the technical field of wind power blade manufacturing, in particular to a wind power blade trailing edge elevation area filling structure, which comprises a wind power blade, wherein a blade trailing edge is arranged at a joint of the wind power blade, a trailing edge waist plate is arranged on one side of the blade trailing edge, a glue blocking plate is arranged in the blade trailing edge, a filling inner core is arranged on one side of the glue blocking plate, double-shaft glass fiber cloth is paved on the inner wall of the wind power blade, and foaming glue is arranged between the double-shaft glass fiber cloth and the filling inner core. According to the utility model, the double-shaft glass fiber cloth is paved on the upper shell and the lower shell, the filling inner core is directly placed in the double-shaft glass fiber cloth, the gap between the double-shaft glass fiber cloth and the filling inner core is filled with the foaming glue, the phenomenon that wrinkles are generated due to the fact that the shape of the filling inner core is not matched with the elevation area of the rear edge of the blade can be avoided, the processing precision of the filling inner core is reduced, and the glue blocking plate is arranged on one side of the filling inner core, so that the mold clamping glue can be blocked, and the mold clamping glue is prevented from overflowing.
Description
Technical Field
The utility model relates to the technical field of wind power blade manufacturing, in particular to a wind power blade trailing edge elevation area filling structure.
Background
The wind power blade trailing edge is located the wing section and is in the rearmost end of direction of rotation, and upper and lower shell just is by leading edge and trailing edge bonding to bond with the roof beam cap, owing to be the facade that has certain thickness at wind power blade trailing edge mid portion, when laying, produces the bonding compound die that the fold influence upper and lower shell easily, can fill this inside region earlier before laying, and it uses glass fiber cloth to carry out the layer to fill the follow-up blade more conveniently after filling.
The patent specification with the publication number of CN211031289U discloses a wind power blade trailing edge elevation area filling structure, which comprises a PVC cushion block and a cladding layer cladding outside the PVC cushion block, wherein the filling structure is positioned at the outer side of the outer skin of the wind power blade shell, and the glass fiber cloth suspension phenomenon is avoided when the elevation area is provided with the filling structure, so that the resin-rich defect is eliminated, and the quality of the blade is improved.
However, in the implementation related technology, the following problems exist in a wind power blade trailing edge elevation area filling structure designed as above: when filling, the PVC cushion block needs to be matched with the shape of the elevation area, so that the effect of perfectly filling the trailing edge groove can be achieved, and the PVC cushion block needs to be cut into a proper shape to be perfectly embedded in the elevation area due to the fact that the trailing edge of the blade is arc-shaped, so that the requirement on the manufacturing precision of the PVC cushion block is high, and in view of the above, the filling structure of the elevation area of the trailing edge of the wind power blade is provided to overcome the defects.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides a filling structure for a rear edge elevation area of a wind power blade.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a wind-powered electricity generation blade trailing edge facade area filling structure, includes wind-powered electricity generation blade, wind-powered electricity generation blade's junction is provided with the blade trailing edge, one side of blade trailing edge is provided with the trailing edge waist board, and the trailing edge waist board is used for supporting wind-powered electricity generation blade, the inside of blade trailing edge is provided with keeps off the offset plate, and keeps off one side of offset plate and be provided with the packing inner core, wind-powered electricity generation blade's inner wall has laid biax glass fiber cloth, and is provided with the foaming glue between biax glass fiber cloth and the packing inner core, fills through the foaming glue between to biax glass fiber cloth and the packing inner core, even fill the inner core and not coincide with the regional shape of blade trailing edge facade, also accessible foaming glue compensates to reduce the machining precision of packing the inner core.
As a further description of the above technical solution: the wind power blade comprises an upper shell and a lower shell, and mold clamping glue is arranged between the upper shell and the lower shell and can be used for carrying out mold clamping adhesion on the upper shell and the lower shell.
As a further description of the above technical solution: the double-shaft glass fiber cloth is paved on the surfaces of the upper shell and the lower shell respectively, the double-shaft glass fiber cloth is wrapped outside the filling inner core, the double-shaft glass fiber cloth can be paved on the die assembly positions of the upper shell and the lower shell, and after the foaming glue is filled with the double-shaft glass fiber cloth, the double-shaft glass fiber cloth can be extruded to be fully contacted with the die assembly glue, so that the double-shaft glass fiber cloth is more tightly adhered.
As a further description of the above technical solution: the foaming glue is filled between the double-shaft glass fiber cloth and the filling inner core, and the foaming glue can adjust the shape of the filling inner core so that the filling structure is matched with the elevation area of the rear edge of the blade.
As a further description of the above technical solution: the surface of the filling inner core is coated with a protective layer, and the protective layer can protect the whole filling inner core and prevent foaming glue from immersing the filling inner core.
As a further description of the above technical solution: the filling inner core is tightly attached to the glue blocking plates, and the two groups of glue blocking plates are respectively fixed on the upper shell and the lower shell and play a role in blocking the die closing glue.
As a further description of the above technical solution: and the die-closing glue is filled between the upper shell and the double-shaft glass fiber cloth of the lower shell, so that the double-shaft glass fiber cloth can be connected more stably by the die-closing glue.
The utility model has the following beneficial effects:
According to the filling structure for the vertical surface area of the rear edge of the wind power blade, the double-shaft glass fiber cloth is paved on the upper shell and the lower shell, the filling inner core is directly placed in the double-shaft glass fiber cloth, the gap between the double-shaft glass fiber cloth and the filling inner core is filled with foaming glue, wrinkles caused by the fact that the shape of the filling inner core is not matched with the vertical surface area of the rear edge of the blade can be avoided, the processing precision of the filling inner core is reduced, and the glue blocking plate is arranged on one side of the filling inner core and can block mold clamping glue to prevent the mold clamping glue from overflowing.
Drawings
FIG. 1 is a schematic perspective view of a wind power blade according to the present utility model;
FIG. 2 is a schematic cross-sectional view of a wind turbine blade according to the present utility model;
FIG. 3 is a schematic view of the trailing edge of the vane of the present utility model as it is being filled;
fig. 4 is a schematic structural view of the inventive filler core.
Legend description:
1. Wind power blades; 101. an upper housing; 102. a lower housing; 2. blade trailing edge; 3. a trailing edge waist panel; 4. a glue baffle plate; 5. biaxial glass fiber cloth; 6. and (3) die assembly glue; 7. foaming glue; 8. filling the inner core; 9. and (3) a protective layer.
Detailed Description
Referring to fig. 1-4, the utility model provides a wind power blade trailing edge elevation area filling structure: including wind-powered electricity generation blade 1, wind-powered electricity generation blade 1's junction is provided with blade trailing edge 2, one side of blade trailing edge 2 is provided with trailing edge waist board 3, trailing edge waist board 3 is used for supporting wind-powered electricity generation blade 1, the inside of blade trailing edge 2 is provided with keeps off glued board 4, and one side that keeps off glued board 4 is provided with fills inner core 8, wind-powered electricity generation blade 1's inner wall has laid biax glass fiber cloth 5, and be provided with foaming glue 7 between biax glass fiber cloth 5 and the filling inner core 8, fill between filling inner core 8 through foaming glue 7 to biax glass fiber cloth 5, even filling inner core 8 does not coincide with the regional shape of blade trailing edge 2 facade, also accessible foaming glue 7 compensates, thereby reduce the machining precision of filling inner core 8.
As a further embodiment of the above technical solution: the wind power blade 1 comprises an upper shell 101 and a lower shell 102, a die-locking glue 6 is arranged between the upper shell 101 and the lower shell 102, and the die-locking glue 6 can be used for die-locking and bonding the upper shell 101 and the lower shell 102.
As a further embodiment of the above technical solution: the surface at last casing 101 and lower casing 102 is laid respectively to biax fine cloth 5, and biax fine cloth 5 parcel is in the outside of filling inner core 8, and the setting of biax fine cloth 5 can carry out the layer to the compound die department of last casing 101 and lower casing 102 and spread, but foaming glue 7 is full of biax fine cloth 5 back extrusion biax fine cloth 5 fully with compound die 6 contact, paste compacter.
As a further embodiment of the above technical solution: the foaming glue 7 is filled between the biaxial glass fiber cloth 5 and the filling inner core 8, and the foaming glue 7 can adjust the shape of the filling inner core 8 to enable the filling structure to be matched with the vertical surface area of the blade trailing edge 2.
As a further embodiment of the above technical solution: the surface of the filling core 8 is coated with a protective layer 9, and the protective layer 9 can protect the entire filling core 8 and prevent the foaming glue 7 from immersing into the filling core 8.
As a further embodiment of the above technical solution: the filling inner core 8 is tightly attached to the glue baffle plate 4, and the two groups of glue baffle plates 4 are respectively fixed on the upper shell 101 and the lower shell 102, and the glue baffle plate 4 plays a role in blocking the die glue 6.
As a further embodiment of the above technical solution: the mold clamping glue 6 is filled between the biaxial glass fiber cloth 5 of the upper shell 101 and the lower shell 102, and the mold clamping glue 6 can enable the biaxial glass fiber cloth 5 to be connected more stably.
In specific implementation, the double-shaft glass fiber cloth 5 is paved on an upper shell 101 die and a lower shell 102 die of the wind power blade 1 respectively, the filling inner core 8 is directly placed on the double-shaft glass fiber cloth 5, the glue blocking plates 4 are placed close to the filling inner core 8, the heights of the two groups of glue blocking plates 4 are the same as the internal height of the wind power blade 1 after die assembly, the double-shaft glass fiber cloth 5 is arranged at the top of the filling inner core 8, the surfaces of the bottom double-shaft glass fiber cloth 5, which are respectively attached to the upper shell 101 die and the lower shell 102 die, are respectively flat, one side, close to the glue blocking plates 4, of the other layer of double-shaft glass fiber cloth 5 is directly adhered to the glue blocking plates 4, the other end is flattened, the double-shaft glass fiber cloth 5 is fixed, foaming glue 7 is filled into gaps between the double-shaft glass fiber cloth 5 and the filling inner core 8, so that the filling work of the vertical surface area of the whole blade trailing edge 2 is realized, namely the wind power blade 1 can be paved and poured, after the trailing edge waist plate 3 is arranged on the lower shell 102, the die assembly operation is carried out on the upper shell 101 and the lower shell 102, and the die assembly glue 6 is filled between the double-shaft glass fiber cloth 5 until the die assembly area between the glue blocking plate 6 and the trailing edge 2 is full of the glue blocking plate 4.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. The utility model provides a regional structure of filling of wind-powered electricity generation blade trailing edge facade, includes wind-powered electricity generation blade (1), the junction of wind-powered electricity generation blade (1) is provided with blade trailing edge (2), one side of blade trailing edge (2) is provided with trailing edge waist board (3), its characterized in that: the wind power blade is characterized in that a glue blocking plate (4) is arranged in the rear edge (2) of the blade, a filling inner core (8) is arranged on one side of the glue blocking plate (4), double-shaft glass fiber cloth (5) is laid on the inner wall of the wind power blade (1), and foaming glue (7) is arranged between the double-shaft glass fiber cloth (5) and the filling inner core (8).
2. The wind power blade trailing edge elevation area filling structure according to claim 1, wherein: the wind power blade (1) comprises an upper shell (101) and a lower shell (102), and a die clamping adhesive (6) is arranged between the upper shell (101) and the lower shell (102).
3. The wind power blade trailing edge elevation area filling structure according to claim 2, wherein: the double-shaft glass fiber cloth (5) is respectively paved on the surfaces of the upper shell (101) and the lower shell (102), and the double-shaft glass fiber cloth (5) is wrapped outside the filling inner core (8).
4. A wind blade trailing edge elevation area filling structure according to claim 3, wherein: the foaming glue (7) is filled between the biaxial glass fiber cloth (5) and the filling inner core (8).
5. The wind power blade trailing edge elevation area filling structure according to claim 2, wherein: the surface of the filling inner core (8) is coated with a protective layer (9).
6. The wind power blade trailing edge elevation area filling structure according to claim 5, wherein: the filling inner core (8) is tightly attached to the glue baffle plates (4), and the two groups of glue baffle plates (4) are respectively fixed on the upper shell (101) and the lower shell (102).
7. The wind power blade trailing edge elevation area filling structure according to claim 2, wherein: and the mold clamping glue (6) is filled between the upper shell (101) and the double-shaft glass fiber cloth (5) of the lower shell (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322918042.0U CN221032931U (en) | 2023-10-30 | 2023-10-30 | Wind-powered electricity generation blade trailing edge facade area fills structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322918042.0U CN221032931U (en) | 2023-10-30 | 2023-10-30 | Wind-powered electricity generation blade trailing edge facade area fills structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221032931U true CN221032931U (en) | 2024-05-28 |
Family
ID=91176922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322918042.0U Active CN221032931U (en) | 2023-10-30 | 2023-10-30 | Wind-powered electricity generation blade trailing edge facade area fills structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221032931U (en) |
-
2023
- 2023-10-30 CN CN202322918042.0U patent/CN221032931U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |