CN210890423U - Low-deflection silk screen reinforced plastic pipe - Google Patents
Low-deflection silk screen reinforced plastic pipe Download PDFInfo
- Publication number
- CN210890423U CN210890423U CN201921891248.6U CN201921891248U CN210890423U CN 210890423 U CN210890423 U CN 210890423U CN 201921891248 U CN201921891248 U CN 201921891248U CN 210890423 U CN210890423 U CN 210890423U
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- Prior art keywords
- pipe
- reinforcing
- plastic pipe
- reinforced plastic
- core pipe
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- 239000002990 reinforced plastic Substances 0.000 title claims abstract description 26
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 58
- 239000010985 leather Substances 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 239000004831 Hot glue Substances 0.000 claims description 14
- 239000010410 layer Substances 0.000 claims description 8
- 239000004033 plastic Substances 0.000 abstract description 20
- 229920003023 plastic Polymers 0.000 abstract description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 2
- 239000004698 Polyethylene Substances 0.000 description 8
- 239000002131 composite material Substances 0.000 description 7
- 238000004804 winding Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 239000004594 Masterbatch (MB) Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Rigid Pipes And Flexible Pipes (AREA)
Abstract
A low-deflection silk screen reinforced plastic pipe belongs to the technical field of medium and high pressure conveying. The method is characterized in that: including core pipe (1), leather hose (2), wire net (3) and reinforcing silk (4), leather hose (2) cover is established outside core pipe (1), and wire net (3) set up between core pipe (1) and leather hose (2), and reinforcing silk (4) set up between leather hose (2) and core pipe (1), and reinforcing silk (4) set up along the axial of core pipe (1), and reinforcing silk (4) encircle core pipe (1) interval and are provided with many. The reinforcing wires of the low-deflection silk screen reinforced plastic pipe are arranged along the axial direction of the core pipe, and a plurality of reinforcing wires are arranged at intervals around the core pipe, so that the plastic pipe is subjected to the axial tension of the reinforcing wires during production, and the tension is uniformly distributed in the radial direction of the plastic pipe, so that the rigidity of the plastic pipe is increased, the deflection is reduced, the plastic pipe is completely suitable for the high-standardization field requirement, and the low-deflection silk screen reinforced plastic pipe is widely applied.
Description
Technical Field
A low-deflection silk screen reinforced plastic pipe belongs to the technical field of medium and high pressure conveying.
Background
The PE pipe and the silk screen composite pipe derived from the PE pipe are widely applied to various fields with great advantages. The PE wire mesh composite pipe has various forms, taking a wire mesh skeleton PE composite pipe (CJ/T189) as an example, and consists of an inner pipe, a hot melt adhesive layer, a winding wire mesh layer and an outer pipe. Wherein the inner tube is as the parent tube, and the glue film is as the adhesive, and the wire mesh plays the reinforcing action, and the outer tube plays the guard action. According to different winding silk screen materials, the composite pipe can be further divided into a polyester yarn PE composite pipe, a glass fiber PE composite pipe and the like.
Such a pipe has great advantages, but has the following drawbacks: the degree of disturbance is large. In the production process of the pipe, because the winding silk screen has no radial control of the PE pipe, the pipe can be subjected to radial bending force, thermal stress and the like, and the pipe is excessively deflected. Particularly, nowadays with increasingly high standardization, large oil and gas companies and coal mine enterprises all put forward a strict requirement for 'horizontal and vertical' of pipelines, and the original PE and wire mesh winding composite pipe is difficult to meet the requirement.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: overcomes the defects of the prior art and provides the low-deflection silk screen reinforced plastic pipe with small deflection when the plastic pipe is subjected to radial bending force or thermal stress.
The utility model provides a technical scheme that its technical problem adopted is: the low-deflection silk screen reinforced plastic pipe is characterized in that: including core pipe, leather hose, wire net and reinforcing silk, the leather hose cover is established outside the core pipe, and the wire net setting is between core pipe and leather hose, and the reinforcing silk setting is between leather hose and core pipe, and the reinforcing silk sets up along the axial of core pipe, and the reinforcing silk encircles the core pipe interval and is provided with many.
Preferably, the reinforcing wires are arranged between the steel wire mesh and the leather hose.
Preferably, the diameter of the reinforcing wire is 1.0-2.0 mm.
Preferably, each of said reinforcing filaments has a length equal to or greater than the length of the core tube.
Preferably, a hot melt adhesive layer is arranged between the core tube and the leather tube.
Preferably, spiral steel wires with different rotation directions are wound outside the core pipe to form the steel wire mesh.
Preferably, the diameter of the steel wire is 0.6-3 mm.
Preferably, the included angle between the steel wire and the axis of the core tube is 50-60 degrees.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
1. the reinforcing wires of the low-deflection silk screen reinforced plastic pipe are arranged along the axial direction of the core pipe, and a plurality of reinforcing wires are arranged at intervals around the core pipe, so that the plastic pipe is subjected to the axial tension of the reinforcing wires during production, and the tension is uniformly distributed in the radial direction of the plastic pipe, so that the rigidity of the plastic pipe is increased, the deflection is reduced, the plastic pipe is completely suitable for the high-standardization field requirement, and the low-deflection silk screen reinforced plastic pipe is widely applied.
2. The reinforcing wires are arranged between the steel wire mesh and the core pipe, so that the arrangement of the reinforcing wires is facilitated, and the production of the plastic pipe is further facilitated.
3. The diameter of the reinforcing wire is 1.0-2.0 mm, so that the strength of the reinforcing wire is sufficient, and the strength of the plastic pipe is further ensured.
4. The length of the reinforcing wire is larger than or equal to that of the core tube, so that the deflection of any position of the core tube can meet the requirement.
Drawings
Fig. 1 is a perspective view of a low-deflection wire mesh reinforced plastic pipe.
Fig. 2 is a schematic top view of a low deflection wire mesh reinforced plastic pipe.
In the figure: 1. core pipe 2, leather hose 3, wire net 4, reinforcing wire 5, hot melt adhesive layer.
Detailed Description
Fig. 1 to 2 are preferred embodiments of the present invention, and the present invention will be further explained with reference to fig. 1 to 2.
The utility model provides a low amount of deflection silk screen reinforcing plastic tubing, includes core pipe 1, leather hose 2, wire net 3 and reinforcing silk 4, and the leather hose 2 cover is established outside core pipe 1, and wire net 3 sets up between core pipe 1 and leather hose 2, and reinforcing silk 4 sets up between leather hose 2 and core pipe 1, and reinforcing silk 4 sets up along the axial of core pipe 1, and reinforcing silk 4 encircles 1 interval of core pipe and is provided with many. The reinforcing wires 4 of the low-deflection silk screen reinforced plastic pipe are arranged along the axial direction of the core pipe 1, and the reinforcing wires 4 are arranged at intervals around the core pipe 1, so that the plastic pipe is subjected to the axial tension of the reinforcing wires 4 during production, and the tension is uniformly distributed in the radial direction of the plastic pipe, thereby increasing the rigidity of the plastic pipe, reducing the deflection, completely meeting the high-standardization field requirement, and having wide application.
The present invention is further described with reference to specific embodiments, however, it will be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily to be construed as limited to those embodiments, and equivalents or common means thereof will not be described in detail but will fall within the scope of the present application.
Specifically, the method comprises the following steps: as shown in FIGS. 1-2: the steel wire mesh 3 is arranged between the core pipe 1 and the leather pipe 2, and a hot melt adhesive layer 5 is arranged between the core pipe 1 and the leather pipe 2 as well as the steel wire mesh 3, so that the leather pipe 2, the steel wire mesh 3 and the core pipe 1 are bonded into a whole.
Two groups of spiral steel wires with different rotation directions are wound outside the core pipe 1 to form a steel wire mesh 3, the diameter of each steel wire is 0.6-3 mm, and included angles between the two groups of steel wires and the axis of the core pipe 1 are 50-60 degrees.
Reinforcing wire 4 sets up between wire net 3 and core pipe 1, or sets up between wire net 3 and leather hose 2, and is preferred, and reinforcing wire 4 sets up between wire net 3 and leather hose 2, makes things convenient for reinforcing wire 4 to install.
The diameter of the reinforcing wire 4 is 1.0-2.0 mm, the reinforcing wire 4 is arranged along the axial direction of the core tube 1, the reinforcing wire 4 is parallel to the axis of the core tube 1, and the length of the reinforcing wire 4 is larger than or equal to that of the core tube 1.
Reinforcing wire 4 encircles core 1 interval equipartition has many, and in this embodiment, the diameter of wire net 3 is 90mm, therefore reinforcing wire 4 encircles core 1 interval equipartition has twelve.
The production process of the low-deflection silk screen reinforced plastic pipe comprises the following steps:
step 1) winding a steel wire mesh 3 and reinforcing wires 4 outside a core pipe 1;
the core tube 1 with the wall thickness of 3.5-5.5 mm is formed by using high-density polyethylene resin as a main material, using a double-resistant master batch and a flame-retardant master batch as auxiliary materials, and carrying out mixing, heating and plasticizing, vacuum sizing and cooling on the mixture. Two groups of steel wires with different rotation directions are wound outside the core pipe 1 through a left-handed winding machine and a right-handed winding machine to form a steel wire mesh 3. The diameter of steel wire is 0.6~3mm, and the contained angle of steel wire and the axis of core pipe 1 is 50~60, preferably 54 to make wire net 3 can both play the reinforcing effect to the axial of core pipe 1 and radially.
The reinforcing wires 4 are laid outside the steel wire mesh 3, the reinforcing wires 4 are arranged along the axis direction parallel to the core pipe 1, the reinforcing wires 4 are uniformly distributed around the core pipe 1 at intervals, and the number of the reinforcing wires 4 is set according to the diameter of the core pipe 1. The diameter of the reinforcing wire 4 is 1.0-2.0 mm. It is also possible to wind the reinforcing wire 4 outside the core tube 1 and then wind the steel wire mesh 3.
Step 2) coating hot melt adhesive outside the core pipe 1, and fixing the steel wire mesh 3 and the reinforcing wires 4;
the adhesive is coated outside the steel wire mesh 3 through the glue extruding machine, so that the steel wire mesh 3 and the reinforcing wires 4 are positioned and fixed. The adhesive is hot melt adhesive, so that a hot melt adhesive layer 5 is formed between the core tube 1 and the leather tube 2. The hot melt adhesive is cooled in an air cooling mode.
Step 3) after the hot melt adhesive is cooled, coating the leather tube 2 outside the hot melt adhesive to form a wire mesh reinforced plastic tube;
after the hot melt adhesive is cooled, mixing and heating the high-density polyethylene resin serving as a main material, the double-resistant master batch and the flame-retardant master batch serving as auxiliary materials, extruding the mixture by using an extruding machine and coating the mixture outside the hot melt adhesive to form a leather hose 2, wherein the leather hose 2 is positioned outside the hot melt adhesive layer 5, and the wall thickness of the leather hose 2 is 1.5-3.5 mm. The skin tube 2 is also sized by vacuum.
The produced plastic pipe is cut and joints are sealed to form the finished product of the silk screen reinforced plastic pipe.
The performance of the low-deflection wire mesh reinforced plastic pipe is compared with that of the traditional wire mesh reinforced plastic pipe as shown in the following table:
the table above shows that the bending degree of the plastic tube is much smaller than that of the traditional plastic tube, and the compression deflection is much smaller than that of the traditional plastic tube, which is clearly shown in the table above and is detected by the plastic tube DN 90.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (8)
1. A low-deflection silk screen reinforced plastic pipe is characterized in that: including core pipe (1), leather hose (2), wire net (3) and reinforcing silk (4), leather hose (2) cover is established outside core pipe (1), and wire net (3) set up between core pipe (1) and leather hose (2), and reinforcing silk (4) set up between leather hose (2) and core pipe (1), and reinforcing silk (4) set up along the axial of core pipe (1), and reinforcing silk (4) encircle core pipe (1) interval and are provided with many.
2. A low deflection wire mesh reinforced plastic pipe according to claim 1, wherein: the reinforcing wires (4) are arranged between the steel wire mesh (3) and the leather hose (2).
3. A low deflection wire mesh reinforced plastic pipe according to claim 1 or 2, wherein: the diameter of the reinforcing wire (4) is 1.0-2.0 mm.
4. A low deflection wire mesh reinforced plastic pipe according to claim 1 or 2, wherein: the length of each reinforcing wire (4) is equal to or greater than that of the core tube (1).
5. A low deflection wire mesh reinforced plastic pipe according to claim 1, wherein: and a hot melt adhesive layer (5) is arranged between the core tube (1) and the leather tube (2).
6. A low deflection wire mesh reinforced plastic pipe according to claim 1 or 5, wherein: spiral steel wires with different rotation directions are wound outside the core pipe (1) to form the steel wire mesh (3).
7. The low deflection wire mesh reinforced plastic pipe of claim 6, wherein: the diameter of the steel wire is 0.6-3 mm.
8. The low deflection wire mesh reinforced plastic pipe of claim 6, wherein: the included angle between the steel wire and the axis of the core pipe (1) is 50-60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921891248.6U CN210890423U (en) | 2019-11-05 | 2019-11-05 | Low-deflection silk screen reinforced plastic pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921891248.6U CN210890423U (en) | 2019-11-05 | 2019-11-05 | Low-deflection silk screen reinforced plastic pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210890423U true CN210890423U (en) | 2020-06-30 |
Family
ID=71320837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921891248.6U Ceased CN210890423U (en) | 2019-11-05 | 2019-11-05 | Low-deflection silk screen reinforced plastic pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210890423U (en) |
-
2019
- 2019-11-05 CN CN201921891248.6U patent/CN210890423U/en not_active Ceased
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230530 Address after: 255000 east side of South Fenghuang Road, Kejia village, Fenghuang Town, Linzi District, Zibo City, Shandong Province Patentee after: SHANDONG JINCHENG LIANCHUANG PIPE INDUSTRY CO.,LTD. Address before: 255000 East side of Fenghuang Road, Koujia Village, Fenghuang Town, Linzi District, Zibo City, Shandong Province Patentee before: SHANDONG JINCHENG LIANCHUANG PIPE INDUSTRY CO.,LTD. Patentee before: Liu Kailiang |
|
| TR01 | Transfer of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20230907 Decision number of declaring invalidation: 563694 Granted publication date: 20200630 |
|
| IW01 | Full invalidation of patent right |