CN219930411U - Ultra-high modulus biaxial fabric - Google Patents
Ultra-high modulus biaxial fabric Download PDFInfo
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- CN219930411U CN219930411U CN202223577204.0U CN202223577204U CN219930411U CN 219930411 U CN219930411 U CN 219930411U CN 202223577204 U CN202223577204 U CN 202223577204U CN 219930411 U CN219930411 U CN 219930411U
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- reinforcing rib
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- high modulus
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- 239000004744 fabric Substances 0.000 title claims abstract description 36
- 239000000835 fiber Substances 0.000 claims abstract description 75
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 48
- 239000010410 layer Substances 0.000 claims description 105
- 239000003365 glass fiber Substances 0.000 claims description 18
- 239000004593 Epoxy Substances 0.000 claims description 5
- 239000002356 single layer Substances 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims 1
- 239000011151 fibre-reinforced plastic Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- Woven Fabrics (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model relates to an ultra-high modulus biaxial fabric, which comprises a plurality of fiber layers sequentially arranged from bottom to top, wherein a plurality of reinforcing rib layers are arranged between two adjacent fiber layers, the included angle between fibers of 2 adjacent fiber layers is 90 degrees, the included angle between 2 reinforcing rib layers between two fiber layers is 90 degrees, and the included angle between any reinforcing rib layer and the fibers of the adjacent fiber layers is 45 degrees; all the fiber layers and the reinforcing rib layers are woven into a whole. The utility model has the key points that the mechanical property, the fabric flatness and the flow guiding property in the 45-degree direction are highlighted, the mechanical property and the technological requirement of the fabric in the blade manufacturing process are realized through a reasonable structure and the cooperation of an actual technology, the axial strength of the fabric can reach more than 170Mpa, the modulus can reach more than 14Gpa, and the mechanical index is improved by 20 percent compared with the conventional product.
Description
Technical Field
The present utility model relates to warp knit fabrics; a weaving method; the technical field of loom, especially relates to a super high modulus biaxial fabric.
Background
The wind power generation is to drive the windmill blades to rotate by utilizing wind power, and then to increase the rotating speed through the speed increaser so as to promote the generator to generate power. However, the larger the blade is, the heavier the material mass and the unit load are, so the blade must be made to be light and high performance.
In the development process of wind power generation, higher requirements and demands are put forward on main mechanical property indexes of strength and modulus of glass fiber reinforced fabric materials serving as a main body of the blade reinforced structure, the requirements are changed and obviously improved from the aspects of materials and fabric structure technology, as the load of the blade is larger and larger, the length of the blade is designed to be more than 90 meters, the requirements on mechanical properties are higher, and if the performance of the fabric cannot be improved, the performance can be ensured only by continuously increasing the quality of the blade, so that the cost and the difficulty and risk of manufacturing the blade are greatly increased, and development and improvement are required from the light-weight aspect.
Disclosure of Invention
The utility model solves the problems existing in the prior art, and provides the ultra-high modulus biaxial fabric which has excellent mechanical properties and technological properties.
The technical scheme adopted by the utility model is that the ultra-high modulus biaxial fabric comprises a plurality of fiber layers which are sequentially arranged from bottom to top, wherein a plurality of reinforcing rib layers are arranged between two adjacent fiber layers, the included angle between fibers of the adjacent 2 fiber layers is 90 degrees, the included angle between the 2 reinforcing rib layers between the two fiber layers is 90 degrees, and the included angle between any reinforcing rib layer and the fibers of the adjacent fiber layers is 45 degrees; all the fiber layers and the reinforcing rib layers are woven into a whole.
Preferably, the fabric comprises a first fiber layer, a first reinforcing rib layer, a second reinforcing rib layer and a second fiber layer which are sequentially arranged from bottom to top.
Preferably, the first fiber layer and the second fiber layer are both bundles of ultra-high modulus glass fiber roving.
Preferably, the bundles of ultra-high modulus glass fiber roving of the first fiber layer are laid in the positive 45 ° direction and the bundles of ultra-high modulus glass fiber roving of the second fiber layer are laid in the negative 45 ° direction.
Preferably, the ultra-high modulus glass fiber roving of the first fiber layer and the second fiber layer is an epoxy yarn.
Preferably, the first fiber layer and the second fiber layer have a specification of 600TEX, and the first fiber layer and the second fiber layer have a single layer basis weight of 400-610 grams.
Preferably, the first reinforcement layer is laid in a positive 0 ° direction and the second reinforcement layer is laid in a positive 90 ° direction.
Preferably, the first reinforcing rib layer and the second reinforcing rib layer are both glass fiber spun yarn bundles.
Preferably, the specification of the first reinforcing rib layer and the second reinforcing rib layer is 68TEX, and the single-layer unit weight of the first reinforcing rib layer and the second reinforcing rib layer is 1.8-2.5 grams.
Preferably, all the fiber layers and the reinforcing rib layers are woven into a whole through the low-elasticity polyester yarns.
The utility model relates to an ultra-high modulus biaxial fabric, which comprises a plurality of fiber layers sequentially arranged from bottom to top, wherein a plurality of reinforcing rib layers are arranged between two adjacent fiber layers, the included angle between fibers of 2 adjacent fiber layers is 90 degrees, the included angle between 2 reinforcing rib layers between two fiber layers is 90 degrees, and the included angle between any reinforcing rib layer and the fibers of the adjacent fiber layers is 45 degrees; all the fiber layers and the reinforcing rib layers are woven into a whole.
Compared with the prior art, the utility model has the beneficial effects that the mechanical property, the fabric flatness and the flow guiding property in the 45-degree direction are emphasized, the mechanical property and the technological requirement of the fabric in the blade manufacturing process are realized through a reasonable structure and matching with the actual technology, the axial strength of the fabric can reach more than 170Mpa, the modulus can reach more than 14Gpa, and the mechanical index is improved by 20% compared with the conventional product.
Drawings
Fig. 1 is an exploded view of the layered structure of the fabric according to this embodiment.
Detailed Description
The present utility model will be described in further detail with reference to examples, but the scope of the present utility model is not limited thereto.
The utility model relates to an ultra-high modulus biaxial fabric, which comprises a plurality of fiber layers sequentially arranged from bottom to top, wherein a plurality of reinforcing rib layers are arranged between two adjacent fiber layers, the included angle between fibers of 2 adjacent fiber layers is 90 degrees, the included angle between 2 reinforcing rib layers between two fiber layers is 90 degrees, and the included angle between any reinforcing rib layer and the fibers of the adjacent fiber layers is 45 degrees; all the fiber layers and the reinforcing rib layers are woven into a whole.
The fabric comprises a first fiber layer 1, a first reinforcing rib layer 2, a second reinforcing rib layer 3 and a second fiber layer 4 which are sequentially arranged from bottom to top.
As shown in fig. 1, an embodiment is presented in the present utility model.
The ultra-high modulus biaxial fabric is characterized in that ultra-high modulus glass fiber epoxy roving is uniformly paved in the positive 45-degree direction to form a first fiber layer 1, ultra-high modulus glass fiber epoxy roving is uniformly paved in the negative 45-degree direction to form a second fiber layer 4, glass fiber spun yarn is paved between the first fiber layer 1 and the second fiber layer 4 to serve as a first reinforcing rib layer 2 and a second reinforcing rib layer 3, the four fabric layers are bound and woven by low-elasticity polyester yarns to form an integral structure, one of the first reinforcing rib layers 2 is arranged in the 0-degree direction, and the second reinforcing rib layer 3 is arranged in the 90-degree direction; the first fiber layer 1 and the second fiber layer 4 are glass fiber roving 600TEX, and the unit weight of a single layer is 597 g; the first reinforcing rib layer 2 and the second reinforcing layer 3 are glass fiber spun yarn 68TEX; the glass fiber roving is epoxy yarn, and is of the type of ultrahigh modulus or ultrahigh modulus; the total weight of the product is 1206 g.
The product has the tensile strength reaching 170Mpa, the tensile modulus reaching 14.6Gpa, the compressive strength reaching 146Mpa and the compressive modulus reaching 15Gpa, and can meet the performance requirements of manufacturing ultra-large blades.
The glass fiber biaxial fabric can be subjected to technological improvement design according to the technological requirements, and comprises axial angles, layered weight distribution, weaving process adjustment of the fabric and the like.
Claims (10)
1. An ultra-high modulus biaxial fabric characterized in that: the fiber reinforced plastic comprises a plurality of fiber layers which are sequentially arranged from bottom to top, wherein a plurality of reinforcing rib layers are arranged between two adjacent fiber layers, the included angle between fibers of 2 adjacent fiber layers is 90 degrees, the included angle between fibers of 2 reinforcing rib layers between two fiber layers is 90 degrees, and the included angle between fibers of any reinforcing rib layer and the adjacent fiber layers is 45 degrees; all the fiber layers and the reinforcing rib layers are woven into a whole.
2. An ultra high modulus biaxial fabric according to claim 1, wherein: the fabric comprises a first fiber layer, a first reinforcing rib layer, a second reinforcing rib layer and a second fiber layer which are sequentially arranged from bottom to top.
3. An ultra high modulus biaxial fabric according to claim 2, wherein: the first fiber layer and the second fiber layer are both ultra-high modulus glass fiber roving bundles.
4. An ultra high modulus biaxial fabric according to claim 3, wherein: the ultra-high modulus glass fiber roving bundles of the first fiber layer are laid along the positive 45 DEG direction, and the ultra-high modulus glass fiber roving bundles of the second fiber layer are laid along the negative 45 DEG direction.
5. An ultra high modulus biaxial fabric according to claim 3, wherein: the ultra-high modulus glass fiber roving of the first fiber layer and the second fiber layer is epoxy yarn.
6. An ultra high modulus biaxial fabric according to claim 3, wherein: the specification of the first fiber layer and the second fiber layer is 600TEX, and the single-layer unit weight of the first fiber layer and the second fiber layer is 400-610 g.
7. An ultra high modulus biaxial fabric according to claim 3, wherein: the first reinforcing rib layer is paved along the positive 0-degree direction, and the second reinforcing rib layer is paved along the positive 90-degree direction.
8. An ultra high modulus biaxial fabric according to claim 2, wherein: the first reinforcing rib layer and the second reinforcing rib layer are both glass fiber spun yarn bundles.
9. An ultra high modulus biaxial fabric according to claim 2, wherein: the specification of the first reinforcing rib layer and the second reinforcing rib layer is 68TEX, and the single-layer unit weight of the first reinforcing rib layer and the second reinforcing rib layer is 1.8-2.5 g.
10. An ultra high modulus biaxial fabric according to claim 1, wherein: all the fiber layers and the reinforcing rib layers are woven into a whole through the low-elasticity polyester yarns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223577204.0U CN219930411U (en) | 2022-12-31 | 2022-12-31 | Ultra-high modulus biaxial fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223577204.0U CN219930411U (en) | 2022-12-31 | 2022-12-31 | Ultra-high modulus biaxial fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219930411U true CN219930411U (en) | 2023-10-31 |
Family
ID=88500490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223577204.0U Active CN219930411U (en) | 2022-12-31 | 2022-12-31 | Ultra-high modulus biaxial fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219930411U (en) |
-
2022
- 2022-12-31 CN CN202223577204.0U patent/CN219930411U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A type of ultra-high modulus biaxial fabric Granted publication date: 20231031 Pledgee: Zhejiang Haining Rural Commercial Bank Co.,Ltd. Maqiao sub branch Pledgor: ZHEJIANG CHENGRUDAN NEW ENERGY TECHNOLOGY CO.,LTD. Registration number: Y2024980001910 |