CN219706349U - Biaxial glass fiber composite fabric - Google Patents
Biaxial glass fiber composite fabric Download PDFInfo
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- CN219706349U CN219706349U CN202223601665.7U CN202223601665U CN219706349U CN 219706349 U CN219706349 U CN 219706349U CN 202223601665 U CN202223601665 U CN 202223601665U CN 219706349 U CN219706349 U CN 219706349U
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- glass fiber
- base cloth
- reinforcing yarn
- fiber composite
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- 239000004744 fabric Substances 0.000 title claims abstract description 75
- 239000003365 glass fiber Substances 0.000 title claims abstract description 46
- 239000002131 composite material Substances 0.000 title claims abstract description 29
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 43
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims abstract description 14
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims abstract description 14
- 230000002787 reinforcement Effects 0.000 claims abstract description 13
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 80
- 238000010586 diagram Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Landscapes
- Woven Fabrics (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model discloses a biaxial glass fiber composite fabric, which comprises a first base cloth layer and a second base cloth layer which are fixedly connected through stitch bonding; a warp reinforcement yarn layer and a weft reinforcement yarn layer are arranged between the cage-base cloth layer and the second base cloth layer; the warp-direction reinforcing yarn layer and the weft-direction reinforcing yarn layer are ultra-high molecular weight polyethylene filaments which are arranged in parallel; the first base fabric layer and the second base fabric layer are biaxial glass fiber base fabrics. According to the biaxial glass fiber composite fabric, the warp-wise and weft-wise reinforcing yarn layers formed by the ultra-high molecular weight polyethylene filaments are arranged between the two layers of glass fiber biaxial fabric, so that the strength of the biaxial glass fiber composite fabric in the warp direction and the weft direction can be effectively improved, the strength requirements of the windmill blade in the aspects of overall strength and the like are met, and the service life of the windmill blade is prolonged.
Description
Technical Field
The utility model relates to the technical field of glass fiber composite fabrics, in particular to a biaxial glass fiber composite fabric.
Background
The windmill blade bears strong alternating load during high-altitude operation, which not only requires the material to have enough tensile and bending resistance, but also has enough rigidity, toughness, fatigue resistance, corrosion resistance, high temperature resistance and other properties. The windmill blade is usually made of a biaxial glass fiber fabric, the utility model patent with the Chinese patent application number 201720856687.84 discloses a biaxial glass fiber composite felt, which comprises a chopped strand mat layer, wherein a fabric base layer is arranged at the lower part of the chopped strand mat layer, the fabric base layer comprises a first twisted base layer and a second twisted base layer, the chopped strand mat layer, the first twisted base layer and the second twisted base layer are fixed together by binding belts, the first twisted base layer comprises a plurality of first connecting sheets, a fixing sheet I and a fixing sheet II are alternately wound around the first connecting sheets, the second twisted base layer comprises a plurality of second connecting sheets, a fixing sheet III and a fixing sheet IV are alternately wound around the second connecting sheets, and an included angle between the first connecting sheets and the second connecting sheets is 58 degrees to 62 degrees, so that the shearing resistance and interlayer separation resistance of the glass fiber composite felt are improved, but the glass fiber composite felt has the defects in terms of overall strength. Therefore, it is necessary to design a biaxial glass fiber composite fabric to improve the strength.
Disclosure of Invention
The utility model aims to provide a double-shaft glass fiber composite fabric, wherein a reinforcing yarn layer formed by ultra-high molecular weight polyethylene filaments is arranged between two layers of double-shaft glass fiber base fabrics, so that the strength of the double-shaft glass fiber composite fabric can be effectively improved.
In order to solve the technical problems, the aim of the utility model is realized as follows:
the utility model relates to a double-axial glass fiber composite fabric, which comprises a first base fabric layer and a second base fabric layer which are fixedly connected through stitch bonding; a warp reinforcement yarn layer and a weft reinforcement yarn layer are arranged between the first base cloth layer and the second base cloth layer; the warp-direction reinforcing yarn layer and the weft-direction reinforcing yarn layer are ultra-high molecular weight polyethylene filaments which are arranged in parallel; the first base fabric layer and the second base fabric layer are biaxial glass fiber base fabrics.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: a first oblique reinforcing yarn layer is arranged between the warp reinforcing yarn layer and the first base cloth layer; and a second oblique reinforcing yarn layer is arranged between the weft reinforcing yarn layer and the second base cloth layer.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the included angle of yarns in the first oblique reinforcing yarn layer and the second oblique reinforcing yarn layer is 90 degrees.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the first oblique reinforcing yarn layer and the second oblique reinforcing yarn layer are ultra-high molecular weight polyethylene filaments which are arranged in parallel.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the warp-direction reinforcing yarn layer is characterized in that a first chopped glass fiber layer is arranged on one side, far away from the warp-direction reinforcing yarn layer, of the first base cloth layer, and a second chopped glass fiber layer is arranged on one side, far away from the weft-direction reinforcing yarn layer, of the second base cloth layer.
The beneficial effects of the utility model are as follows: according to the biaxial glass fiber composite fabric, the warp-wise and weft-wise reinforcing yarn layers formed by the ultra-high molecular weight polyethylene filaments are arranged between the two layers of glass fiber biaxial fabric, so that the strength of the biaxial glass fiber composite fabric in the warp direction and the weft direction can be effectively improved, the strength requirements of the windmill blade in the aspects of overall strength and the like are met, and the service life of the windmill blade is prolonged.
Drawings
FIG. 1 is a schematic structural view of a bi-axial glass fiber composite fabric according to an embodiment;
fig. 2 is a schematic structural diagram of a biaxial glass fiber composite fabric according to a second embodiment;
fig. 3 is a schematic structural diagram of a biaxial glass fiber composite fabric according to a third embodiment.
The labels in the figures are illustrated below: 1-a first base fabric layer; 2-a second base fabric layer; 3-a layer of warp reinforcement yarns; 4-a layer of weft-wise reinforcing yarns; 5-a first oblique reinforcing yarn layer; 6-a second diagonal reinforcing yarn layer; 7-a first chopped glass fiber layer; 8-a second chopped glass fiber layer.
Detailed Description
The utility model will be further described with reference to the drawings and specific examples.
Example 1
This embodiment will be described in detail with reference to fig. 1. The double-axial glass fiber composite fabric comprises a first base cloth layer 1 and a second base cloth layer 2 which are fixedly connected through stitch bonding; a warp reinforcement yarn layer 3 and a weft reinforcement yarn layer 4 are arranged between the first base cloth layer 1 and the second base cloth layer 2; the warp-direction reinforcing yarn layer 3 and the weft-direction reinforcing yarn layer 4 are ultra-high molecular weight polyethylene filaments which are arranged in parallel; the first base fabric layer 1 and the second base fabric layer 2 are double-axial glass fiber base fabrics.
The biaxial glass fiber base cloth used is the same as that used in the publication No. CN215856631U, and is not described in detail. And the fineness of the ultra high molecular weight polyethylene filaments used is 200 to 400D, which is selected to be 400D in this example.
The warp-direction reinforcing yarn layer 3 is made of ultra-high molecular weight polyethylene filaments which are arranged in parallel along the length direction of the biaxial glass fiber composite fabric, and the weft-direction reinforcing yarn layer 4 is made of ultra-high molecular weight polyethylene filaments which are arranged in parallel along the width direction of the biaxial glass fiber composite fabric.
Further, the filaments used in stitch bonding in this example were 200D ultra high molecular weight polyethylene filaments.
Example two
This embodiment will be described in detail with reference to fig. 2. The difference between the biaxial glass fiber composite fabric according to the embodiment and the first embodiment is that: a first oblique reinforcing yarn layer 5 is arranged between the warp reinforcing yarn layer 3 and the first base cloth layer 1; a second oblique reinforcing yarn layer 6 is arranged between the weft reinforcing yarn layer 4 and the second base cloth layer 2.
Further, the included angle of the yarns in the first oblique reinforcing yarn layer 5 and the second oblique reinforcing yarn layer 6 is 90 °. The angle between the layer of warp reinforcement yarns 3 and the layer of first diagonal reinforcement yarns 5 is 30-60, in this example 45.
Further, the first oblique reinforcing yarn layer 5 and the second oblique reinforcing yarn layer 6 are ultra-high molecular weight polyethylene filaments arranged in parallel, and the specific fineness is 400D.
Example III
This embodiment will be described in detail with reference to fig. 3. The difference between the biaxial glass fiber composite fabric according to the embodiment and the second embodiment is that: the side of the first base cloth layer 1, which is far away from the warp reinforcement yarn layer 3, is provided with a first chopped glass fiber layer 7, and the side of the second base cloth layer 2, which is far away from the weft reinforcement yarn layer 4, is provided with a second chopped glass fiber layer 8.
The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (5)
1. The double-axial glass fiber composite fabric is characterized by comprising a first base cloth layer (1) and a second base cloth layer (2) which are fixedly connected through stitch bonding; a warp reinforcement yarn layer (3) and a weft reinforcement yarn layer (4) are arranged between the first base cloth layer (1) and the second base cloth layer (2); the warp-wise reinforcing yarn layer (3) and the weft-wise reinforcing yarn layer (4) are ultra-high molecular weight polyethylene filaments which are arranged in parallel; the first base cloth layer (1) and the second base cloth layer (2) are double-axial glass fiber base cloth.
2. The biaxial glass fiber composite fabric according to claim 1, wherein a first oblique reinforcing yarn layer (5) is arranged between the warp reinforcing yarn layer (3) and the first base fabric layer (1); a second oblique reinforcing yarn layer (6) is arranged between the weft reinforcing yarn layer (4) and the second base cloth layer (2).
3. A bi-axial glass fiber composite fabric according to claim 2, wherein the yarns in the first and second layers of diagonal reinforcing yarns (5, 6) have an angle of 90 °.
4. The biaxial glass fiber composite fabric according to claim 2, wherein the first oblique reinforcing yarn layer (5) and the second oblique reinforcing yarn layer (6) are ultra-high molecular weight polyethylene filaments arranged in parallel.
5. The dual-axial glass fiber composite fabric according to claim 2, wherein a first chopped glass fiber layer (7) is arranged on one side of the first base cloth layer (1) far away from the warp-wise reinforcing yarn layer (3), and a second chopped glass fiber layer (8) is arranged on one side of the second base cloth layer (2) far away from the weft-wise yarn adding layer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223601665.7U CN219706349U (en) | 2022-12-27 | 2022-12-27 | Biaxial glass fiber composite fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223601665.7U CN219706349U (en) | 2022-12-27 | 2022-12-27 | Biaxial glass fiber composite fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219706349U true CN219706349U (en) | 2023-09-19 |
Family
ID=87997633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223601665.7U Active CN219706349U (en) | 2022-12-27 | 2022-12-27 | Biaxial glass fiber composite fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219706349U (en) |
-
2022
- 2022-12-27 CN CN202223601665.7U patent/CN219706349U/en active Active
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