CN219866926U - Continuous winding laying glass fiber reinforced plastic pipeline - Google Patents
Continuous winding laying glass fiber reinforced plastic pipeline Download PDFInfo
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- CN219866926U CN219866926U CN202321177279.1U CN202321177279U CN219866926U CN 219866926 U CN219866926 U CN 219866926U CN 202321177279 U CN202321177279 U CN 202321177279U CN 219866926 U CN219866926 U CN 219866926U
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- glass fiber
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- 238000004804 winding Methods 0.000 title claims abstract description 52
- 239000011152 fibreglass Substances 0.000 title claims abstract description 17
- 239000003365 glass fiber Substances 0.000 claims abstract description 84
- 239000000835 fiber Substances 0.000 claims abstract description 17
- 239000002131 composite material Substances 0.000 claims abstract description 13
- 239000011347 resin Substances 0.000 claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 10
- 239000006004 Quartz sand Substances 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 238000009954 braiding Methods 0.000 claims description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 7
- 239000003733 fiber-reinforced composite Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000009940 knitting Methods 0.000 description 10
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model relates to the field of fiber reinforced composite material pipelines, in particular to a glass fiber reinforced plastic pipeline which is continuously wound and laid. The composite layer comprises an inner circumferential winding glass fiber layer, an intermediate layer which is immersed in resin is wound on the outer side of the inner circumferential winding glass fiber layer, an outer circumferential winding glass fiber layer is wound on the outer side of the intermediate layer, the intermediate layer comprises glass fiber yarns, and woven yarns are fixed on one side of the glass fiber yarns. The utility model is formed by winding a plurality of composite layers, wherein the composite layers are formed by winding an inner circumferential winding glass fiber layer, an intermediate layer and an outer circumferential winding glass fiber layer, most connecting glass fibers which are arranged in a serpentine shape of the intermediate layer are wound to form axial glass fibers in the pipe wall, and then the axial glass fibers are matched with chopped fiber layers, so that a three-dimensional reinforced pipe wall structure is formed, the flexibility and the bending strength of the pipe are improved, and the radial deformation bearing capacity is strong.
Description
Technical Field
The utility model relates to the field of fiber reinforced composite material pipelines, in particular to a glass fiber reinforced plastic pipeline which is continuously wound and laid.
Background
The glass fiber reinforced plastic pipeline can be used in various pipe network fields, such as cable guide pipes, water supply and drainage pipes, rain and sewage pipes, chemical pipes, thermal pipes, irrigation pipes, pipes for hydroelectric power generation, firework emission barrels and the like. The traditional glass fiber reinforced plastic pipeline adopts a method of combining spiral winding and circumferential winding layering, the layers are wound layer by layer from inside to outside, a very definite limit is arranged between the layers, long fibers or short fibers do not penetrate through the layers, interfacial layering damage can occur when bending deformation is large, and therefore the performance is poor.
Disclosure of Invention
The utility model aims to solve the technical problems that the flexibility and the bending strength are high, the radial deformation bearing capacity is strong, the pipe wall structure is not easy to break when the pipe wall is subjected to larger radial deformation under the action of external pressure, and the glass fiber reinforced plastic pipeline can be continuously wound and laid under the high combined stress generated by the internal pressure and the external pressure. In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
the continuous winding and laying glass fiber reinforced plastic pipeline is formed by winding a plurality of composite layers, wherein the composite layers comprise inner circumferential winding glass fiber layers, an intermediate layer immersed with resin is wound on the outer side of each inner circumferential winding glass fiber layer, outer circumferential winding glass fiber layers are wound on the outer side of each intermediate layer, each intermediate layer comprises glass fiber yarns, woven yarns are fixed on one side of each glass fiber yarn, quartz sand layers are sprayed on one side of each woven yarn, which faces away from each glass fiber yarn, and chopped fiber layers are sprayed on one side of each woven yarn, which faces away from each glass fiber yarn.
Specifically, the glass fiber yarn comprises two side glass fibers which are arranged in bilateral symmetry, connecting glass fibers are fixed between the two side glass fibers, and the connecting glass fibers are distributed in a serpentine shape between the two side glass fibers.
Specifically, the braided yarns are formed by braiding glass fibers.
Specifically, the inner hoop winding glass fiber layer and the outer hoop winding glass fiber layer are both composed of a plurality of glass fibers.
Specifically, the outer sides of the inner circumferential winding glass fiber layer and the outer circumferential winding glass fiber layer are respectively provided with a resin layer.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model is formed by winding a plurality of composite layers, wherein the composite layers are formed by winding an inner circumferential winding glass fiber layer, an intermediate layer and an outer circumferential winding glass fiber layer, most connecting glass fibers which are arranged in a serpentine shape are wound after the connecting glass fibers of the intermediate layer are connected to form axial glass fibers in the pipe wall, and then the connecting glass fibers are matched with the chopped fiber layer, so that a three-dimensional reinforced pipe wall structure is formed, the flexibility and the bending strength of the pipe are improved, the radial deformation bearing capacity is strong, and the pipe wall structure is not easy to break when the pipe wall is subjected to larger radial deformation under the action of external pressure. Meanwhile, the bending strength of the pipeline is improved, and the pipeline can bear high combined stress generated by internal pressure and external pressure.
2. The chopped fiber and the quartz sand are sprayed to the knitting yarns in a spraying mode, and the chopped fiber layer and the quartz sand layer are formed after the chopped fiber and the quartz sand are bonded by the resin on the knitting yarns, so that the chopped fiber is convenient to process into the pipe wall, can be uniformly distributed in the pipe wall, and the structural strength of the pipe wall can be further improved by the quartz sand layer.
Drawings
FIG. 1 is a schematic diagram of the present utility model during processing.
FIG. 2 is a schematic cross-sectional structure of an intermediate layer.
The names of the parts in the drawings are as follows:
1. mandrel
2. Outer hoop winding glass fiber layer
3. Inner hoop winding glass fiber layer
4. Edge glass fiber
5. Connecting glass fibers
6. Quartz sand layer
7. Knitting yarn.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-2, a glass fiber reinforced plastic pipeline is continuously wound and laid, and is formed by winding a plurality of composite layers.
The composite layer comprises an inner circumferential winding glass fiber layer 3, an intermediate layer immersed with resin is wound on the outer side of the inner circumferential winding glass fiber layer 3, and an outer circumferential winding glass fiber layer 2 is wound on the outer side of the intermediate layer.
The inner hoop winding glass fiber layer 3 and the outer hoop winding glass fiber layer 2 are both composed of a plurality of glass fibers. Before the inner annular winding glass fiber layer 3 and the outer annular winding glass fiber layer 2 are wound, an open type gum dipping groove is adopted to dip resin on the inner annular winding glass fiber layer 3 and the outer annular winding glass fiber layer 2, so that the outer sides of the inner annular winding glass fiber layer 3 and the outer annular winding glass fiber layer 2 form a resin layer. In the initial stage of pipeline processing, the inner annular winding glass fiber layer 3 is wound on the mandrel 1 to form an inner layer, then the middle layer is wound on the inner layer to form a middle layer, and the outer annular winding glass fiber layer 2 is wound on the middle layer to form an outer layer.
The middle layer comprises fiberglass yarns. The glass fiber yarn comprises two side glass fibers 4 which are symmetrically arranged left and right, a connecting glass fiber 5 is fixed between the two side glass fibers 4, and the connecting glass fiber 5 is arranged in a serpentine shape between the two side glass fibers 4. A knitting yarn is fixed on one side of the glass fiber yarn, and the knitting yarn is formed by knitting glass fibers.
The side of the knitting yarn 7 facing the glass fiber yarn is sprayed with a quartz sand layer 6, and the side of the knitting yarn 7 facing away from the glass fiber yarn is sprayed with a chopped fiber layer. The chopped fiber and the quartz sand are sprayed to the knitting yarn by spraying, and the chopped fiber layer and the quartz sand layer 6 are formed after the chopped fiber and the quartz sand are bonded by the resin on the knitting yarn. Therefore, the chopped fibers are conveniently processed into the pipe wall, and can be uniformly distributed in the pipe wall, and the quartz sand layer 6 can further improve the structural strength of the pipe wall.
The utility model is formed by winding a plurality of composite layers, wherein the composite layers are formed by winding an inner circumferential winding glass fiber layer 3, an intermediate layer and an outer circumferential winding glass fiber layer 2, most connecting glass fibers 5 which are arranged in a serpentine shape are wound after the connecting glass fibers 5 which are arranged in a serpentine shape in the intermediate layer are wound, and then the connecting glass fibers 5 are matched with chopped fiber layers, so that a three-dimensional reinforced pipe wall structure is formed, the flexibility and the bending strength of a pipe are improved, the radial deformation bearing capacity is strong, and the pipe wall structure is not easy to be damaged when larger radial deformation occurs under the action of external pressure. Meanwhile, the bending strength of the pipeline is improved, and the pipeline can bear high combined stress generated by internal pressure and external pressure.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (5)
1. The glass fiber reinforced plastic pipeline is continuously wound and laid, and is formed by winding a plurality of composite layers, and is characterized in that the composite layers comprise inner circumferential winding glass fiber layers (3), intermediate layers immersed with resin are wound on the outer sides of the inner circumferential winding glass fiber layers (3), outer circumferential winding glass fiber layers (2) are wound on the outer sides of the intermediate layers, the intermediate layers comprise glass fiber yarns, woven yarns are fixed on one sides of the glass fiber yarns, quartz sand layers (6) are sprayed on one sides of the woven yarns (7) facing the glass fiber yarns, and chopped fiber layers are sprayed on one sides of the woven yarns (7) facing away from the glass fiber yarns.
2. The continuous winding and laying glass fiber reinforced plastic pipeline according to claim 1, wherein the glass fiber yarn comprises two side glass fibers (4) which are symmetrically arranged left and right, connecting glass fibers (5) are fixedly arranged between the two side glass fibers (4), and the connecting glass fibers (5) are in serpentine arrangement between the two side glass fibers (4).
3. The continuous lay-on, wound glass fiber reinforced plastic pipe of claim 1, wherein the braided yarns are formed from glass fiber braiding.
4. The continuous lay-up fiberglass reinforced plastic pipe of claim 1, wherein the inner (3) and outer (2) hoop wound fiberglass layers are each composed of a plurality of fiberglass fibers.
5. The continuous winding and laying glass fiber reinforced plastic pipe according to claim 1, wherein the inner hoop winding glass fiber layer (3) and the outer hoop winding glass fiber layer (2) are provided with resin layers on the outer sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321177279.1U CN219866926U (en) | 2023-05-16 | 2023-05-16 | Continuous winding laying glass fiber reinforced plastic pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321177279.1U CN219866926U (en) | 2023-05-16 | 2023-05-16 | Continuous winding laying glass fiber reinforced plastic pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219866926U true CN219866926U (en) | 2023-10-20 |
Family
ID=88335340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321177279.1U Active CN219866926U (en) | 2023-05-16 | 2023-05-16 | Continuous winding laying glass fiber reinforced plastic pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219866926U (en) |
-
2023
- 2023-05-16 CN CN202321177279.1U patent/CN219866926U/en active Active
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