CN210564887U - Prevent wind electric vane pultrusion panel edge fracture structure - Google Patents
Prevent wind electric vane pultrusion panel edge fracture structure Download PDFInfo
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- CN210564887U CN210564887U CN201920888557.1U CN201920888557U CN210564887U CN 210564887 U CN210564887 U CN 210564887U CN 201920888557 U CN201920888557 U CN 201920888557U CN 210564887 U CN210564887 U CN 210564887U
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- chamfer
- panel
- pultruded panel
- fracture structure
- protective layer
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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
- 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
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Abstract
The utility model relates to a prevent wind electric vane pultrusion panel edge fracture structure, including the pultrusion panel that has the chamfer, be provided with the protective layer on the inclined plane and/or the bottom surface and/or the side of chamfer, the protective layer adopt spraying or hand paste the mode coat in the chamfer surface, its thickness is less than 1 mm. The utility model discloses a crowded panel edge anti-fracture structure can pile up the use in blade mould or girder mould according to prior art method when using, and the thin easy external force fracture position that receives in pultruded panel chamfer edge is improved because of scribbling pultruded panel chamfer protective layer through spraying or hand, not only can prevent that the fracture of the thin position in panel edge from causing panel performance loss, can keep the original performance of shaping panel moreover.
Description
Technical Field
The utility model relates to a wind-powered electricity generation blade technical field especially relates to a prevent wind electric blade pultrusion panel edge fracture structure.
Background
The pultrusion plate is mainly applied to a bearing part of a blade as a reinforcing structural member in the field of wind power generation, such as a blade main beam, an auxiliary beam and a blade root, each pultrusion plate is provided with a large rectangular cross section, the stress concentration of the end part is reduced in order to enable the thickness of the end part of the plate to be stably transited in the using process, the end part of the plate can be processed by chamfering, the thickness of the end part edge of the plate processed by chamfering is about 0.1mm, the pultrusion plate with the chamfer is stacked in a blade die, the thin part of the edge of the plate is easy to break under stress, and the performance loss of the plate is caused.
Therefore, a structure for preventing the edge of the pultruded plate of the wind-resistant electric blade from being broken is needed, so that the thinner part of the edge of the plate is not easy to break when the pultruded plate with the chamfer angle is used.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a prevent wind electric vane pultrusion panel edge fracture structure to the easy cracked problem of the thin position in panel edge when the pultrusion panel that has the chamfer is used.
In order to achieve the purpose, the utility model adopts the technical proposal that:
the edge fracture structure of the wind-resistant electric blade pultruded panel comprises a pultruded panel with a chamfer, wherein a protective layer is arranged on the inclined plane and/or the bottom surface and/or the side surface of the chamfer; the thickness of the protective layer is less than 1 mm.
Further, protective layers are arranged on the inclined plane and the bottom surface of the chamfer.
Further, protective layers are arranged on the inclined plane, the bottom surface and the side surface of the chamfer.
Further preferably, the thickness of the protective layer is 0.3-1.0 mm.
Furthermore, the protective layer is coated in a spraying and hand pasting mode or directly coated on the surface of the chamfer by adopting a soft protective material.
Further, the soft protective material is an epoxy resin film or a PU resin film.
Further, from the position of the edge of the chamfer, the ratio of the length of the protective layer on the inclined surface to the length of the inclined surface of the chamfer is 1:1-1: 5.
Further preferably, from the position of the chamfer edge, the ratio of the length of the protective layer on the inclined surface to the length of the inclined surface of the chamfer is 1:2-1: 3.
Furthermore, the material of the protective layer is thermoplastic resin or thermosetting resin.
Further, the pultruded panel is a carbon fiber pultruded panel, a glass fiber pultruded panel, or a carbon-glass hybrid-woven pultruded panel.
Further, the width of the pultrusion plate is 50-400 mm, and the thickness of the pultrusion plate is 1-10 mm.
The utility model adopts the above technical scheme, compare with prior art, have following technical advantage:
the utility model discloses a prevent wind electric vane pultrusion panel edge fracture structure when the use has the pultrusion panel of chamfer as the carrier of blade, can prevent that the thinner position in panel edge from splitting, avoids causing panel performance loss.
Drawings
Fig. 1 is a schematic view of an exemplary embodiment of the present invention;
fig. 2 is a schematic view of an exemplary embodiment of the present invention;
fig. 3 is a schematic view of an exemplary embodiment of the present invention;
wherein the reference numerals are:
a pultruded panel 1 having a chamfer; chamfering 2; and a protective layer 3.
Detailed Description
The present invention will be described in detail and specifically with reference to specific embodiments so as to provide a better understanding of the present invention, but the following embodiments do not limit the scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a wind-resistant electric blade pultruded panel edge fracture structure, including a pultruded panel 1 having a chamfer 2, wherein a protection layer 3 is disposed on an inclined plane and/or a bottom surface and/or a side surface of the chamfer 2; the thickness of the protective layer 3 is less than 1 mm. The protective layer 3 is coated in a spraying and hand pasting mode or directly coated on the surface of the chamfer 2 by adopting a soft protective material. From the edge position of the chamfer 2, the ratio of the length of the protective layer 3 on the inclined surface to the length of the inclined surface of the chamfer 1 is 1:1-1: 5. The material of the protective layer 3 is thermoplastic resin or thermosetting resin, and the soft protective material is epoxy resin film or PU resin film. The pultrusion plate 1 is a carbon fiber pultrusion plate, a glass fiber pultrusion plate or a carbon glass mixed braiding pultrusion plate, the width is 50-400 mm, and the thickness is 1-10 mm.
As a preferred embodiment of the present invention, as shown in fig. 2, a protection layer 3 is disposed on the inclined surface and the bottom surface of the chamfer 2. The thickness of the protective layer 3 is 0.3-1.0 mm. From the edge position of the chamfer 2, the ratio of the length of the protective layer 3 on the inclined surface to the length of the inclined surface of the chamfer 1 is 1:2-1: 3.
As another preferred embodiment of the present invention, as shown in fig. 3, the chamfer 2 is provided with a protective layer 3 on the inclined surface, the bottom surface and the side surface. The thickness of the protective layer 3 is 0.3-0.5 mm. From the edge position of the chamfer 2, the ratio of the length of the protective layer 3 on the inclined surface to the length of the inclined surface of the chamfer 1 is 1:2-1: 3.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (10)
1. The edge fracture structure of the wind-proof electric blade pultruded panel is characterized by comprising a pultruded panel (1) with a chamfer (2), wherein a protective layer (3) is arranged on the inclined plane and/or the bottom surface and/or the side surface of the chamfer (2); the thickness of the protective layer (3) is less than 1 mm.
2. The wind-resistant electric blade pultruded panel edge fracture structure according to claim 1, wherein a protection layer (3) is provided on the slope and bottom surface of said chamfer (2).
3. The wind-resistant electric blade pultruded panel edge fracture structure according to claim 1, wherein said chamfer (2) is provided with a protective layer (3) on the slope, bottom and sides.
4. The wind-resistant electric blade pultruded panel edge fracture structure according to claim 1, wherein the thickness of said protective layer (3) is 0.3-1.0 mm.
5. The wind-resistant electric blade pultruded panel edge fracture structure according to claim 1, wherein said protection layer (3) is applied by spraying or hand pasting or is directly coated on said chamfer surface and said chamfer (2) surface by soft protection material.
6. The wind-resistant electric blade pultruded panel edge fracture structure according to claim 5, wherein said soft protective material is an epoxy resin film or a PU resin film.
7. The wind-resistant electric blade pultruded panel edge fracture structure according to claim 1, wherein from the position of the edge of said chamfer (2), the ratio of the length of said protection layer (3) on the slope thereof to the length of the slope of said chamfer (1) is 1:1-1: 5.
8. The wind-resistant electric blade pultruded panel edge fracture structure according to claim 1, wherein said protective layer (3) is made of thermoplastic resin or thermosetting resin.
9. The windproof electric blade pultruded panel edge fracture structure according to claim 1, wherein said pultruded panel (1) is a carbon fiber pultruded panel, a glass fiber pultruded panel or a carbon glass hybrid pultruded panel.
10. The windproof electric blade pultruded panel edge fracture structure according to claim 1, wherein the pultruded panel (1) has a width of 50-400 mm and a thickness of 1-10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920888557.1U CN210564887U (en) | 2019-06-13 | 2019-06-13 | Prevent wind electric vane pultrusion panel edge fracture structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920888557.1U CN210564887U (en) | 2019-06-13 | 2019-06-13 | Prevent wind electric vane pultrusion panel edge fracture structure |
Publications (1)
| Publication Number | Publication Date |
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| CN210564887U true CN210564887U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920888557.1U Active CN210564887U (en) | 2019-06-13 | 2019-06-13 | Prevent wind electric vane pultrusion panel edge fracture structure |
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| CN (1) | CN210564887U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021239209A1 (en) * | 2020-05-25 | 2021-12-02 | Lm Wind Power A/S | Method for manufacturing a wind turbine blade and wind turbine blade obtained thereby |
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2019
- 2019-06-13 CN CN201920888557.1U patent/CN210564887U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021239209A1 (en) * | 2020-05-25 | 2021-12-02 | Lm Wind Power A/S | Method for manufacturing a wind turbine blade and wind turbine blade obtained thereby |
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