CN214579623U - External anti-seepage reinforcing structure for butt joint of glass fiber reinforced plastic pipeline - Google Patents
External anti-seepage reinforcing structure for butt joint of glass fiber reinforced plastic pipeline Download PDFInfo
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- CN214579623U CN214579623U CN202120621198.0U CN202120621198U CN214579623U CN 214579623 U CN214579623 U CN 214579623U CN 202120621198 U CN202120621198 U CN 202120621198U CN 214579623 U CN214579623 U CN 214579623U
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Abstract
The utility model relates to an outer prevention of seepage additional strengthening for FRP pipe way butt joint department, including two FRP pipe ways, two FRP pipe ways are coaxial relative, two FRP pipe ways all include first inner liner, first enhancement layer and first superficial layer from inside to outside, the periphery wall tip of two FRP pipe ways all is provided with the groove, the groove extends to the inner liner, is provided with the rib between the groove of two FRP pipe ways; the reinforced part comprises a second inner liner layer, a second reinforced layer and a second surface layer from inside to outside, the second reinforced layer is formed by alternately laminating a plurality of layers of rectangular second impregnated fiber cloth and third impregnated fiber cloth, and the sum of the thicknesses of the second impregnated fiber cloth and the third impregnated fiber cloth is larger than or equal to the thickness of the first reinforced layer. The utility model discloses can strengthen FRP pipe way butt joint department, effective strength when making it reach integrated into one piece just guarantees the layer structural integrity of FRP pipe butt joint department.
Description
Technical Field
The utility model relates to a FRP pipe says technical field, concretely relates to an outer prevention of seepage additional strengthening that is used for FRP pipe says butt joint department.
Background
The glass fiber reinforced plastic pipeline is a light, high-strength and corrosion-resistant nonmetal glass fiber reinforced plastic pipeline. The glass fiber with resin matrix weight is wound on a rotating core mold layer by layer according to the technological requirement, and quartz sand is uniformly paved among the fibers at a long distance to serve as a sand inclusion layer. The pipe wall structure is reasonable and advanced, the function of materials can be fully exerted, the rigidity is improved on the premise of meeting the use strength, and the stability and the reliability of the product are ensured. The glass fiber reinforced plastic sand inclusion pipe has the advantages of excellent chemical corrosion resistance, light weight, high strength, no scale formation, strong shock resistance, long service life compared with the common steel pipe, low comprehensive cost, quick installation, safety, reliability and the like, and is accepted by the majority of users.
The glass fiber reinforced plastic pipeline is applied to the industries of petroleum, chemical engineering, drainage and the like. The production development of the glass fiber reinforced plastic pipeline in China is fast, the quantity of the glass fiber reinforced plastic pipeline is increased year by year, and the application range and departments are wider and wider.
In application, two glass fiber reinforced plastic pipes are sometimes butted, and the butted joint of the glass fiber reinforced plastic pipes cannot be of an integral structure due to operations such as cutting or drilling, and the effective strength of the integral structure cannot be achieved, so that the butted joint of the glass fiber reinforced plastic pipes needs to be reinforced.
Disclosure of Invention
For solving the problem that current FRP pipe way butt joint department need be strengthened, the utility model provides an outer prevention of seepage additional strengthening for FRP pipe way butt joint department, the purpose is strengthened FRP pipe way butt joint department, and effective strength when making it reach integrated into one piece just guarantees the layer structural integrity of FRP pipe butt joint department.
In order to realize the purpose, the technical scheme of the utility model is that:
the outer anti-seepage reinforcing structure for the butt joint of the glass fiber reinforced plastic pipelines comprises two glass fiber reinforced plastic pipelines, wherein the end parts of the two glass fiber reinforced plastic pipelines are coaxially opposite and are in contact with each other;
the reinforced part comprises a second inner liner layer, a second reinforced layer and a second surface layer from inside to outside, the second inner liner layer is formed by stacking first impregnated fiber twistless rovings, the second inner liner layer covers end seams of the two glass steel pipelines and is butted with the end faces of the first inner liner layers of the two glass steel pipelines, the second reinforced layer covers the second inner liner layer and is butted with the end faces of the first reinforced layers of the two glass steel pipelines, the second reinforced layer is formed by alternately laminating a plurality of layers of rectangular second impregnated fiber cloth and third impregnated fiber cloth, the second impregnated fiber cloth and the third impregnated fiber cloth are the same in shape and size, the left part of the second impregnated fiber cloth is provided with a cutting line penetrating through the left end of the second impregnated fiber cloth, the second impregnated fiber cloth is cut into a plurality of cord-shaped belt bodies at the left part, and the right part of the second impregnated fiber cloth surrounds the joint of the end portions of the two glass steel pipelines, the first surface layer is formed by laminating a plurality of layers of rectangular fourth impregnated fiber cloth, and the second surface layer covers the second reinforcing layer and is butted with the end faces of the first surface layers of the two glass steel pipelines.
Further, the length of the fourth dipped fiber cloth is greater than the lengths of the second dipped fiber cloth and the third dipped fiber cloth, and the lengths of the second dipped fiber cloth and the third dipped fiber cloth are both greater than the length of the second lining layer.
Further, the length of the second dipped fiber cloth layers is gradually increased from inside to outside, the length of the third dipped fiber cloth layers is gradually increased from inside to outside, and the length of the fourth dipped fiber cloth layers is gradually increased from inside to outside.
Further, the distance from the right end of the cutting line on the second impregnated fiber cloth to the right end of the second impregnated fiber cloth is greater than the sum of the lengths of the surfaces of the first lining layers on the end bevels of the two glass steel pipelines, and the distance from the left end of the cutting line on the third impregnated fiber cloth to the left end of the third impregnated fiber cloth is greater than the sum of the lengths of the surfaces of the first lining layers on the end bevels of the two glass steel pipelines.
Further, the surface of the groove is provided with a frosted surface.
Through the technical scheme, the beneficial effects of the utility model are that:
the utility model discloses an each layer structure and FRP pipe's layer structure one-to-one, and can reach effective combination, guarantee FRP pipe says the structural integrity of butt joint department, guarantee the seepage prevention ability.
The utility model discloses a second enhancement layer is by the crisscross range upon range of constitution of the rectangular second gumming fibre cloth of multilayer and third gumming fibre cloth, and the length of multilayer second gumming fibre cloth is crescent by inside to outside, and the length of multilayer third gumming fibre cloth is crescent by inside to outside, the thickness sum of second gumming fibre cloth and the thickness sum of third gumming fibre cloth equal more than or equal to the thickness of first enhancement layer, both can make each layer of second gumming fibre cloth or third gumming fibre cloth combine together with the groove surface of FRP pipe way, still in groove department because second gumming fibre cloth and third gumming fibre cloth range upon range of mutually and increased the wall thickness of rib, promoted the intensity of second enhancement layer.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic structural diagram of a second dipped fiber cloth according to the present invention.
The reference numbers in the drawings are as follows: the reinforced plastic pipe comprises a glass fiber reinforced plastic pipeline 1, a reinforcing part 2, a second impregnated fiber cloth 3, a third impregnated fiber cloth 4, a first lining layer 11, a first reinforcing layer 12, a first surface layer 13, a second lining layer 21, a second reinforcing layer 22 and a second surface layer 23.
Detailed Description
The invention will be further explained with reference to the drawings and the detailed description below:
as shown in fig. 1 to 3, the external anti-seepage reinforcing structure for the joint of the glass fiber reinforced plastic pipes comprises two glass fiber reinforced plastic pipes 1, wherein the ends of the two glass fiber reinforced plastic pipes 1 are coaxially opposite and are in contact with each other, the two glass fiber reinforced plastic pipes 1 respectively comprise a first inner liner layer 11, a first reinforcing layer 12 and a first surface layer 13 from inside to outside, the ends of the outer peripheral walls of the two glass fiber reinforced plastic pipes 1 are respectively provided with a groove, the remaining wall thickness of the ends of the grooves of the two glass fiber reinforced plastic pipes 1 is smaller than the thickness of the first inner liner layer 11, the surfaces of the grooves are composed of the end surface of the first inner liner layer 11, the end surface of the first reinforcing layer 12 and the end surface of the first surface layer 13, and a reinforcing part 2 is arranged between the grooves of the two glass fiber reinforced plastic pipes 1;
the reinforcing part 2 comprises a second inner liner layer 21, a second reinforcing layer 22 and a second surface layer 23 from inside to outside, the second inner liner layer 21 is formed by stacking first impregnated fiber roving, the second inner liner layer 21 covers end seams of two glass steel pipelines 1 and is butted with the end faces of the first inner liner layers 11 of the two glass steel pipelines 1, the second reinforcing layer 22 covers the second inner liner layer 21 and is butted with the end faces of the first reinforcing layers 12 of the two glass steel pipelines 1, the second reinforcing layer 22 is formed by alternately laminating a plurality of layers of rectangular second impregnated fiber cloth 3 and third impregnated fiber cloth 4, the second impregnated fiber cloth 3 and the third impregnated fiber cloth 4 are identical in shape and size, a cutting line penetrating through the left end of the second impregnated fiber cloth 3 is arranged at the left part of the second impregnated fiber cloth 3, and the second impregnated fiber cloth 3 is cut into a plurality of cord-shaped belt bodies at the left part by the cutting line, the right part of the second impregnated fiber cloth 3 surrounds the joint of the end parts of the two glass fiber reinforced plastic pipelines 1, a plurality of curtain-shaped belt bodies of the second impregnated fiber cloth 3 are annularly arrayed outside the glass fiber reinforced plastic pipeline 1 on the left side which is cylindrically attached, the left part of the third impregnated fiber cloth 4 is surrounded at the joint of the two glass fiber reinforced plastic pipelines 1, a plurality of curtain-shaped belt bodies of the third impregnated fiber cloth 4 are annularly arrayed outside the glass fiber reinforced plastic pipeline 1 at the right side which is cylindrically jointed, the sum of the thicknesses of the plurality of second impregnated fiber cloths 3 is more than or equal to the thickness of the first reinforcing layer 12, the sum of the thicknesses of the plurality of third impregnated fiber cloths 4 is more than or equal to the thickness of the first reinforcing layer 12, the second surface layer 23 is formed by laminating a plurality of rectangular fourth impregnated fiber cloths, and the second surface layer 23 covers the second reinforcing layer 22 and is butted against the end faces of the first surface layers 13 of the two glass fiber reinforced plastic pipes 1.
The length of the fourth dipped fiber cloth is greater than the lengths of the second dipped fiber cloth 3 and the third dipped fiber cloth 4, and the lengths of the second dipped fiber cloth 3 and the third dipped fiber cloth 4 are both greater than the length of the second lining layer 21.
The lengths of the multiple layers of second impregnated fiber cloth 3 are gradually increased from inside to outside, the lengths of the multiple layers of third impregnated fiber cloth 4 are gradually increased from inside to outside, and the lengths of the multiple layers of fourth impregnated fiber cloth are gradually increased from inside to outside.
The distance from the right end of the cutting line on the second impregnated fiber cloth 3 to the right end of the second impregnated fiber cloth 3 is greater than the sum of the surface lengths of the first lining layers 11 on the end bevels of the two glass steel pipelines 1, and the distance from the left end of the cutting line on the third impregnated fiber cloth 4 to the left end of the third impregnated fiber cloth 4 is greater than the sum of the surface lengths of the first lining layers 11 on the end bevels of the two glass steel pipelines 1.
And a frosted surface is arranged on the surface of the groove.
In fig. 2, for clarity, the layer structure of the second reinforcing layer 22 is shown, the gap drawn in the drawing is larger, but in actual operation, two adjacent upper and lower second dipped fiber cloths 3 on the left side of the same third dipped fiber cloth 4 are connected with each other, two adjacent upper and lower third dipped fiber cloths 4 on the right side of the same second dipped fiber cloth 3 are connected with each other, the right end of the upper second dipped fiber cloth 3 in the two adjacent upper and lower second dipped fiber cloths 3 is located on the right side of the right end of the lower second dipped fiber cloth 3, the left end of the upper second dipped fiber cloth 3 is located on the left side of the left end of the lower second dipped fiber cloth 3, the left end of the upper second dipped fiber cloth 3 is attached to and connected to the end face of the beveled first reinforcing layer, and the third dipped fiber cloth 4 is also in the same setting manner.
The utility model discloses an each layer structure and FRP pipe way 1's layer structure one-to-one, and can reach effective combination, guarantee the integrality of FRP pipe way butt joint department.
The utility model discloses a second enhancement layer 22 is by the crisscross range upon range of constitution of the rectangular second gumming fibre cloth 3 of multilayer and third gumming fibre cloth 4, and the length of multilayer second gumming fibre cloth 3 is crescent by interior to exterior, and the length of multilayer third gumming fibre cloth 4 is crescent by interior to exterior, the thickness of the sum of the thickness of second gumming fibre cloth 3 and the thickness sum of third gumming fibre cloth 4 equal more than or equal to first enhancement layer 12, both can make each layer of second gumming fibre cloth 3 or third gumming fibre cloth 4 combine together with the groove surface of FRP pipe way 1, still in groove department because second gumming fibre cloth 3 and third gumming fibre cloth 4 range upon range of each other and increased the wall thickness of rib 2, promoted the intensity of second enhancement layer 12.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various modifications can be made to the technical solution of the present invention within the scope of the present invention as disclosed without departing from the spirit of the present invention.
Claims (5)
1. The external anti-seepage reinforcing structure for the butt joint of the glass fiber reinforced plastic pipelines is characterized by comprising two glass fiber reinforced plastic pipelines (1), wherein the end parts of the two glass fiber reinforced plastic pipelines (1) are coaxially opposite and are in contact with each other, the two glass fiber reinforced plastic pipelines (1) respectively comprise a first lining layer (11), a first reinforcing layer (12) and a first surface layer (13) from inside to outside, the end parts of the peripheral walls of the two glass fiber reinforced plastic pipelines (1) are respectively provided with a groove, the remaining wall thickness of the end parts of the grooves of the two glass fiber reinforced plastic pipelines (1) is smaller than the thickness of the first lining layer (11), the surfaces of the grooves are formed by the end surface of the first lining layer (11), the end surface of the first reinforcing layer (12) and the end surface of the first surface layer (13), and a reinforcing part (2) is arranged between the grooves of the two glass fiber reinforced plastic pipelines (1);
the reinforced part (2) comprises a second inner liner layer (21), a second reinforced layer (22) and a second surface layer (23) from inside to outside, the second inner liner layer (21) is formed by stacking first impregnated fiber untwisted rovings, the second inner liner layer (21) covers end seams of two glass steel pipelines (1) and is butted with the end faces of first inner liner layers (11) of the two glass steel pipelines (1), the second reinforced layer (22) covers the second inner liner layer (21) and is butted with the end faces of first reinforced layers (12) of the two glass steel pipelines (1), the second reinforced layer (22) is formed by alternately laminating a plurality of layers of rectangular second impregnated fiber cloth (3) and third impregnated fiber cloth (4), the shapes and the sizes of the second impregnated fiber cloth (3) and the third impregnated fiber cloth (4) are the same, and a cutting line penetrating through the left end of the second impregnated fiber cloth (3) is arranged at the left part of the second impregnated fiber cloth (3), the cutting line cuts the second impregnated fiber cloth (3) into a plurality of curtain-shaped belt bodies at the left part, the right part of the second impregnated fiber cloth (3) surrounds the joint of the ends of the two glass steel pipelines (1), a plurality of curtain-shaped belt body annular arrays of the second impregnated fiber cloth (3) are arranged outside the glass steel pipeline (1) at the left side and are cylindrically attached, the left part of the third impregnated fiber cloth (4) surrounds the joint of the ends of the two glass steel pipelines (1), a plurality of curtain-shaped belt body annular arrays of the third impregnated fiber cloth (4) are arranged outside the glass steel pipeline (1) at the right side and are cylindrically attached, the sum of the thicknesses of a plurality of second impregnated fiber cloths (3) is more than or equal to the thickness of the first reinforcing layer (12), the sum of the thicknesses of a plurality of third impregnated fiber cloths (4) is more than or equal to the thickness of the first reinforcing layer (12), and the second surface layer (23) is formed by laminating a plurality of rectangular fourth impregnated fiber cloths, the second surface layer (23) covers the second reinforcing layer (22) and is butted with the end faces of the first surface layers (13) of the two glass steel pipelines (1).
2. The external anti-seepage reinforcing structure for the butt joint of the glass fiber reinforced plastic pipeline is characterized in that the length of the fourth dipped fiber cloth is greater than the lengths of the second dipped fiber cloth (3) and the third dipped fiber cloth (4), and the lengths of the second dipped fiber cloth (3) and the third dipped fiber cloth (4) are both greater than the length of the second lining layer (21).
3. The external anti-seepage reinforcing structure for the butt joint of the glass fiber reinforced plastic pipeline according to claim 1, wherein the lengths of the multiple layers of second dipped fiber cloth (3) are gradually increased from inside to outside, the lengths of the multiple layers of third dipped fiber cloth (4) are gradually increased from inside to outside, and the lengths of the multiple layers of fourth dipped fiber cloth are gradually increased from inside to outside.
4. The external anti-seepage reinforcing structure for the butt joint of the glass steel pipelines according to claim 1, wherein the distance from the right end of the cutting line on the second dipped fiber cloth (3) to the right end of the second dipped fiber cloth (3) is greater than the sum of the surface lengths of the first lining layers (11) on the end bevels of the two glass steel pipelines (1), and the distance from the left end of the cutting line on the third dipped fiber cloth (4) to the left end of the third dipped fiber cloth (4) is greater than the sum of the surface lengths of the first lining layers (11) on the end bevels of the two glass steel pipelines (1).
5. The external anti-seepage reinforcing structure for the butt joint of the glass steel pipeline as claimed in claim 1, wherein the groove surface is provided with a frosted surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120621198.0U CN214579623U (en) | 2021-03-27 | 2021-03-27 | External anti-seepage reinforcing structure for butt joint of glass fiber reinforced plastic pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120621198.0U CN214579623U (en) | 2021-03-27 | 2021-03-27 | External anti-seepage reinforcing structure for butt joint of glass fiber reinforced plastic pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214579623U true CN214579623U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120621198.0U Active CN214579623U (en) | 2021-03-27 | 2021-03-27 | External anti-seepage reinforcing structure for butt joint of glass fiber reinforced plastic pipeline |
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|---|---|
| CN (1) | CN214579623U (en) |
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2021
- 2021-03-27 CN CN202120621198.0U patent/CN214579623U/en active Active
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