CN111490501A - Corrosion-resistant cable protection pipe and preparation process thereof - Google Patents
Corrosion-resistant cable protection pipe and preparation process thereof Download PDFInfo
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- CN111490501A CN111490501A CN202010452214.8A CN202010452214A CN111490501A CN 111490501 A CN111490501 A CN 111490501A CN 202010452214 A CN202010452214 A CN 202010452214A CN 111490501 A CN111490501 A CN 111490501A
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- cable protection
- corrosion
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- pipe
- tube
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
- H02G3/0412—Heat or fire protective means
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
- C09J167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention relates to the technical field of cable protection pipes, in particular to a corrosion-resistant cable protection pipe and a preparation process thereof. According to the cable protection outer pipe, the cable protection inner pipe is sleeved with the cable protection outer pipe, the inner wall and the outer wall of the cable protection outer pipe are respectively provided with the inner corrosion-resistant layer and the outer corrosion-resistant layer, the corrosion-resistant effect can be improved by the double corrosion-resistant layers, the waterproof layer and the thermal-insulating layer are arranged between the cable protection inner pipe and the cable protection outer pipe, the waterproof and thermal-insulating effects are improved, the cable protection inner pipe and the cable protection outer pipe are both made of CPVC resin materials, the cable protection outer pipe has the corrosion-resistant characteristic, the corrosion-resistant effect is further improved, and the.
Description
Technical Field
The invention relates to the technical field of cable protection pipes, in particular to a corrosion-resistant cable protection pipe and a preparation process thereof.
Background
In municipal construction, a large number of transmission cables are buried underground, the transmission cables are easily damaged by erosion of soil and the like, a pipeline is required to protect the cables, and currently used cable protection pipes mainly include steel pipes, PVC pipes, cement pipes and the like. Although these pipes can protect the cable to some extent, the steel pipe, the PVC pipe, and the cement pipe have poor corrosion resistance, and after long-term use, the outer wall of the cable protection pipe is corroded, which damages the internal cable.
Disclosure of Invention
The invention aims to provide a corrosion-resistant cable protection pipe and a preparation process thereof, and aims to solve the problems that the prior cable protection pipe in the background art is poor in corrosion-resistant effect, and after the cable protection pipe is used for a long time, the outer wall of the cable protection pipe is corroded, so that an internal cable is damaged.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a corrosion-resistant type cable protection pipe, includes the cable protection inner tube, the outer wall of cable protection inner tube is provided with the insulating layer, the outer wall of insulating layer is provided with the waterproof layer, the outside of waterproof layer is provided with the cable protection outer tube, the inboard and the outside of cable protection outer tube are provided with interior corrosion-resistant layer and outer corrosion-resistant layer respectively, outer corrosion-resistant layer, cable protection outer tube, interior corrosion-resistant layer, waterproof layer, cable protection inner tube and insulating layer are the integrated into one piece structure.
Preferably, a plurality of reinforcing ribs which are uniformly distributed in an annular shape at equal intervals are arranged in the waterproof layer.
Preferably, the cable protection inner pipe and the cable protection outer pipe are both made of CPVC resin materials.
Preferably, the top and the bottom of the reinforcing rib are respectively connected to the inner wall of the inner corrosion-resistant layer and the outer wall of the heat-insulating layer, and the reinforcing rib, the inner corrosion-resistant layer and the heat-insulating layer are of an integrally formed structure.
Preferably, the inner corrosion-resistant layer and the outer corrosion-resistant layer are both made of glass steel materials with corrosion resistance.
Preferably, the joints at the two end parts of the cable protection inner pipe are provided with corrosion-resistant sealing covers, the corrosion-resistant sealing covers are matched with the cable protection outer pipe in an inserting mode, and a plurality of cable through holes which are uniformly and equidistantly axially arranged are formed in the center shaft of each corrosion-resistant sealing cover.
Preferably, the diameter of each cable through hole is adapted to the diameter dimension of the cable.
Preferably, each cable through hole is provided with a detachable sealing cap.
On the other hand, the invention also provides a preparation method of the corrosion-resistant cable protection tube, which comprises the following steps:
s1 manufacture of binder: injecting unsaturated polyester resin into a stirrer, stirring for 35min, and adding a curing agent and a pigment during stirring to obtain a bonding agent;
s2, manufacturing an inner pipe die: according to the model manufacturing mould of cable protection inner tube, waterproof layer, strengthening rib and interior corrosion resistant layer:
s3 manufacturing the inner tube: filling corresponding materials according to the inner pipe die to manufacture an inner pipe;
and (S4) outer tube treatment: coating a bonding agent on the outer wall and the inner wall of the cable protection outer pipe, and uniformly coating the bonding agent;
s5 processing the inner wall of the outer pipe: inserting the manufactured inner tube into the cable protection outer tube, and enabling the inner corrosion-resistant layer to be tightly attached to the inner wall of the cable protection outer tube through a bonding agent on the inner wall of the cable protection outer tube;
and S6, processing the outer wall of the outer pipe: sleeving the outer corrosion-resistant layer on the outer wall of the cable protection outer pipe, and tightly attaching the outer corrosion-resistant layer to the outer wall of the cable protection outer pipe through a binding agent on the outer wall of the cable protection outer pipe to prepare a semi-finished product;
s7, drying and curing: placing the semi-finished product in an oven for drying to obtain a hard tube, wherein the drying time is 36-42min, and the drying temperature is 106-;
s8: and finishing and leveling the end face of the prepared hard tube to obtain a finished product.
Preferably, the weight ratio of the unsaturated polyester resin, the curing agent and the pigment is 80: 2: 1, the curing agent is 1, 3-cyclohexyldimethylamine, and the pigment is any one of yellow pigment, red pigment, melanin and green pigment.
Compared with the prior art, the invention has the beneficial effects that:
1. the corrosion-resistant cable protection pipe and the preparation process thereof are characterized in that a cable protection outer pipe is sleeved outside a cable protection inner pipe, and the inner and outer walls of the cable protection outer tube are respectively provided with an inner corrosion-resistant layer and an outer corrosion-resistant layer, the double corrosion-resistant layers can improve the corrosion-resistant effect, and a waterproof layer and a heat insulation layer are arranged between the cable protection inner pipe and the cable protection outer pipe, so that the waterproof and heat insulation effects are improved, the cable protection inner pipe and the cable protection outer pipe are both made of CPVC resin materials, so that the cable protection inner pipe and the cable protection outer pipe have the characteristics of corrosion resistance, the effect of corrosion resistance is further improved, the service life is longer, the inner corrosion-resistant layer and the outer corrosion-resistant layer are both made of glass fiber reinforced plastic materials with corrosion resistance, the glass fiber reinforced plastic materials have light weight, high strength and good toughness, the coating has excellent corrosion resistance and electrical insulation performance, can be safely applied to power transmission and telecommunication line compact areas, and has long service life; the glass fiber reinforced plastic cable protection pipe does not need to construct a concrete protection layer, so that the construction progress of cable engineering is accelerated, and the construction cost is reduced.
2. The two end parts of the cable protection inner pipe can be sealed through the corrosion-resistant sealing cover arranged in the corrosion-resistant cable protection pipe and the preparation process of the corrosion-resistant cable protection pipe, a plurality of cable through holes which are the same with the diameter of the cable are formed in the corrosion-resistant sealing cover, the cable through holes can be conveniently inserted into a circuit, and meanwhile, the sealing cap is installed in the unused cable through holes, so that the sealing effect is improved, and the safety is higher.
Drawings
FIG. 1 is a schematic cross-sectional structure of the present invention;
fig. 2 is an exploded view of an end of the present invention.
In the figure: 100. an outer corrosion-resistant layer; 200. a cable protection outer tube; 300. an inner corrosion-resistant layer; 400. a waterproof layer; 500. reinforcing ribs; 600. a cable protection inner tube; 700. a thermal insulation layer; 800. a corrosion-resistant sealing cover; 801. a cable through hole; 802. and (5) sealing the cap.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Example 1
An anti-corrosion cable protection tube, as shown in fig. 1 and 2, comprises a cable protection inner tube 600, an insulation layer 700 is arranged on the outer wall of the cable protection inner tube 600, a waterproof layer 400 is arranged on the outer wall of the insulation layer 700, an outer cable protection tube 200 is arranged on the outer side of the waterproof layer 400, an inner anti-corrosion layer 300 and an outer anti-corrosion layer 100 are respectively arranged on the inner side and the outer side of the outer cable protection tube 200, and the outer anti-corrosion layer 100, the outer cable protection tube 200, the inner anti-corrosion layer 300, the waterproof layer 400, the inner cable protection tube 600 and the insulation layer 700 are of an integrally formed.
Further, be provided with a plurality of even equidistance in waterproof layer 400 and be the strengthening rib 500 of cyclic annular distribution, the top and the bottom of strengthening rib 500 are connected respectively on the outer wall of interior corrosion-resistant layer 300 inner wall and insulating layer 700, and strengthening rib 500 is the integrated into one piece structure with interior corrosion-resistant layer 300, insulating layer 700, and strengthening rib 500 can improve the stability of structure between cable protection outer tube 200 and cable protection inner tube 600.
It is worth to be noted that, the cable protection inner pipe 600 and the cable protection outer pipe 200 are both made of CPVC resin material, and the pipe made of CPVC resin has light weight, good heat insulation performance, and no need of heat preservation; the inner corrosion-resistant layer 300 and the outer corrosion-resistant layer 100 are both made of anti-corrosion glass fiber reinforced plastic materials, and the glass fiber reinforced plastic materials are light in weight, high in strength, good in toughness, excellent in corrosion resistance and electrical insulation performance, capable of being safely applied to power transmission and telecommunication line dense areas and long in service life; the glass fiber reinforced plastic cable protection pipe does not need to construct a concrete protection layer, so that the construction progress of cable engineering is accelerated, and the construction cost is reduced.
In addition, both ends kneck of cable protection inner tube 600 all is provided with corrosion-resistant sealed lid 800, the cooperation of pegging graft between corrosion-resistant sealed lid 800 and the cable protection outer tube 200, the cable through-hole 801 that a plurality of even equidistance were the axial setting is seted up to corrosion-resistant sealed lid 800's center pin department, the diameter of every cable through-hole 801 and the diameter size looks adaptation of cable, all install detachable sealing cap 802 on every cable through-hole 801, corrosion-resistant sealed lid 800 through the setting can seal the both ends of cable protection inner tube 600, and set up a plurality of cable through-holes 801 the same with the diameter size of cable on the corrosion-resistant sealed lid 800, be convenient for insert the circuit, simultaneously at unused cable through-hole 801 installation sealing cap 802, improve sealed effect.
A preparation method of a corrosion-resistant cable protection pipe comprises the following steps:
s1 manufacture of binder: injecting unsaturated polyester resin into a stirrer, stirring for 35min, and adding a curing agent and a pigment during stirring to obtain a bonding agent;
s2, manufacturing an inner pipe die: the mold is manufactured according to the models of the cable protection inner tube 600, the waterproof layer 400, the reinforcing ribs 500 and the inner corrosion-resistant layer 300:
s3 manufacturing the inner tube: filling corresponding materials according to the inner pipe die to manufacture an inner pipe;
and (S4) outer tube treatment: coating the outer wall and the inner wall of the cable protection outer pipe 200 with a bonding agent, and uniformly coating the bonding agent;
s5 processing the inner wall of the outer pipe: inserting the manufactured inner tube into the cable protection outer tube 200, and closely attaching the inner corrosion-resistant layer 300 to the inner wall of the cable protection outer tube 200 by using a bonding agent on the inner wall of the cable protection outer tube 200;
and S6, processing the outer wall of the outer pipe: sleeving the outer corrosion-resistant layer 100 on the outer wall of the outer cable protection tube 200, and tightly attaching the outer corrosion-resistant layer 100 to the outer wall of the outer cable protection tube 200 through a binding agent on the outer wall of the outer cable protection tube 200 to prepare a semi-finished product;
s7, drying and curing: placing the semi-finished product in an oven for drying to obtain a hard tube, wherein the drying time is 36-42min, and the drying temperature is 106-;
s8: and finishing and leveling the end face of the prepared hard tube to obtain a finished product.
Specifically, the weight ratio of the unsaturated polyester resin, the curing agent and the pigment is 80: 2: 1, curing agent is 1, 3-cyclohexyldimethylamine, and pigment is any one of yellow pigment, red pigment, melanin and green pigment.
According to the corrosion-resistant cable protection pipe and the preparation process thereof, the cable protection outer pipe 200 is sleeved outside the cable protection inner pipe 600, the inner and outer walls of the cable protection outer pipe 200 are respectively provided with the inner corrosion-resistant layer 300 and the outer corrosion-resistant layer 100, the corrosion-resistant effect can be improved by the double corrosion-resistant layers, the waterproof layer 400 and the heat-insulating layer 700 are arranged between the cable protection inner pipe 600 and the cable protection outer pipe 200, the waterproof and heat-insulating effects are improved, the cable protection inner pipe 600 and the cable protection outer pipe 200 are both made of CPVC resin materials, the corrosion-resistant characteristic is realized, the corrosion-resistant effect is further improved, and the service life is longer.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a corrosion-resistant type cable protection pipe which characterized in that: the cable protection inner tube (600) is included, the outer wall of the cable protection inner tube (600) is provided with a heat insulation layer (700), the outer wall of the heat insulation layer (700) is provided with a waterproof layer (400), the outer side of the waterproof layer (400) is provided with a cable protection outer tube (200), the inner side and the outer side of the cable protection outer tube (200) are respectively provided with an inner corrosion-resistant layer (300) and an outer corrosion-resistant layer (100), and the outer corrosion-resistant layer (100), the cable protection outer tube (200), the inner corrosion-resistant layer (300), the waterproof layer (400), the cable protection inner tube (600) and the heat insulation layer (700) are of an integrally formed.
2. The corrosion-resistant cable protection tube according to claim 1, wherein: and a plurality of reinforcing ribs (500) which are uniformly distributed in an annular shape at equal intervals are arranged in the waterproof layer (400).
3. The corrosion-resistant cable protection tube according to claim 1, wherein: the cable protection inner pipe (600) and the cable protection outer pipe (200) are both made of CPVC resin materials.
4. The corrosion-resistant cable protection tube according to claim 2, wherein: the top and the bottom of the reinforcing rib (500) are respectively connected to the inner wall of the inner corrosion-resistant layer (300) and the outer wall of the heat-insulating layer (700), and the reinforcing rib (500), the inner corrosion-resistant layer (300) and the heat-insulating layer (700) are of an integrally formed structure.
5. The corrosion-resistant cable protection tube according to claim 1, wherein: the inner corrosion-resistant layer (300) and the outer corrosion-resistant layer (100) are both made of anti-corrosion glass steel materials.
6. The corrosion-resistant cable protection tube according to claim 1, wherein: the cable protection inner tube (600) is characterized in that corrosion-resistant sealing covers (800) are arranged at the positions of two end connectors of the cable protection inner tube, the corrosion-resistant sealing covers (800) are matched with the cable protection outer tube (200) in an inserting mode, and a plurality of cable through holes (801) which are uniformly arranged in the axial direction at equal intervals are formed in the position of a central shaft of each corrosion-resistant sealing cover (800).
7. The corrosion-resistant cable protection tube according to claim 6, wherein: the diameter of each cable through hole (801) is matched with the diameter size of the cable.
8. The corrosion-resistant cable protection tube according to claim 6, wherein: each cable through hole (801) is provided with a detachable sealing cap (802).
9. A method for producing a corrosion-resistant cable protection tube comprising the corrosion-resistant cable protection tube according to any one of claims 1 to 8, characterized in that: the method specifically comprises the following steps:
s1 manufacture of binder: injecting unsaturated polyester resin into a stirrer, stirring for 35min, and adding a curing agent and a pigment during stirring to obtain a bonding agent;
s2, manufacturing an inner pipe die: according to the model manufacturing mould of cable protection inner tube (600), waterproof layer (400), strengthening rib (500) and interior corrosion resistant layer (300):
s3 manufacturing the inner tube: filling corresponding materials according to the inner pipe die to manufacture an inner pipe;
and (S4) outer tube treatment: coating a bonding agent on the outer wall and the inner wall of the cable protection outer pipe (200), and uniformly coating the bonding agent;
s5 processing the inner wall of the outer pipe: inserting the manufactured inner pipe into the cable protection outer pipe (200), and enabling the inner corrosion-resistant layer (300) to be tightly attached to the inner wall of the cable protection outer pipe (200) through a bonding agent on the inner wall of the cable protection outer pipe (200);
and S6, processing the outer wall of the outer pipe: sleeving the outer corrosion-resistant layer (100) on the outer wall of the outer cable protection pipe (200), and tightly attaching the outer corrosion-resistant layer (100) to the outer wall of the outer cable protection pipe (200) through a bonding agent on the outer wall of the outer cable protection pipe (200) to prepare a semi-finished product;
s7, drying and curing: placing the semi-finished product in an oven for drying to obtain a hard tube, wherein the drying time is 36-42min, and the drying temperature is 106-;
s8: and finishing and leveling the end face of the prepared hard tube to obtain a finished product.
10. The manufacturing method of the corrosion-resistant cable protection tube according to claim 9, characterized in that: the weight ratio of the unsaturated polyester resin to the curing agent to the pigment is 80: 2: 1, the curing agent is 1, 3-cyclohexyldimethylamine, and the pigment is any one of yellow pigment, red pigment, melanin and green pigment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010452214.8A CN111490501A (en) | 2020-05-26 | 2020-05-26 | Corrosion-resistant cable protection pipe and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010452214.8A CN111490501A (en) | 2020-05-26 | 2020-05-26 | Corrosion-resistant cable protection pipe and preparation process thereof |
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| CN111490501A true CN111490501A (en) | 2020-08-04 |
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| CN202010452214.8A Pending CN111490501A (en) | 2020-05-26 | 2020-05-26 | Corrosion-resistant cable protection pipe and preparation process thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112436457A (en) * | 2020-11-17 | 2021-03-02 | 苏州新伦光电塑业有限公司 | CPVC cable protection pipe that shock resistance is strong |
| CN114094514A (en) * | 2021-10-08 | 2022-02-25 | 江苏金安电气有限公司 | Glass fiber reinforced plastic sleeve with high corrosion resistance and heat resistance |
| CN114395298A (en) * | 2022-02-15 | 2022-04-26 | 宝盛新材料(南京)有限公司 | Manufacturing method of corrosion-resistant structure of glass fiber cable protection pipe |
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| CN1333440A (en) * | 2000-07-12 | 2002-01-30 | 长沙市圆通实业有限公司 | Five-stage production technology for aluminium-plastics combined pipe |
| CN103247982A (en) * | 2013-05-31 | 2013-08-14 | 杭州新世纪电力器材有限公司 | Cable protection pipe using desert sand as inner layer reinforcing main material |
| CN103595004A (en) * | 2013-11-26 | 2014-02-19 | 无锡格莱德科技有限公司 | Novel cable reinforced protection sleeve tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112436457A (en) * | 2020-11-17 | 2021-03-02 | 苏州新伦光电塑业有限公司 | CPVC cable protection pipe that shock resistance is strong |
| CN114094514A (en) * | 2021-10-08 | 2022-02-25 | 江苏金安电气有限公司 | Glass fiber reinforced plastic sleeve with high corrosion resistance and heat resistance |
| CN114395298A (en) * | 2022-02-15 | 2022-04-26 | 宝盛新材料(南京)有限公司 | Manufacturing method of corrosion-resistant structure of glass fiber cable protection pipe |
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