CN220933812U - PE sheath material for high-strength cable - Google Patents
PE sheath material for high-strength cable Download PDFInfo
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- CN220933812U CN220933812U CN202322710872.4U CN202322710872U CN220933812U CN 220933812 U CN220933812 U CN 220933812U CN 202322710872 U CN202322710872 U CN 202322710872U CN 220933812 U CN220933812 U CN 220933812U
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- Prior art keywords
- layer
- sheath
- flame retardant
- flame
- cable
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- 239000000463 material Substances 0.000 title claims abstract description 35
- 239000003063 flame retardant Substances 0.000 claims abstract description 59
- 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 claims abstract description 42
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000011248 coating agent Substances 0.000 claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 16
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 15
- 239000004945 silicone rubber Substances 0.000 claims abstract description 15
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 claims abstract description 13
- 239000011888 foil Substances 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 239000004020 conductor Substances 0.000 claims description 12
- 239000000084 colloidal system Substances 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 239000002390 adhesive tape Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 3
- 239000010410 layer Substances 0.000 abstract description 116
- 230000006378 damage Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 239000011241 protective layer Substances 0.000 abstract 1
- 239000004698 Polyethylene Substances 0.000 description 36
- 229920005830 Polyurethane Foam Polymers 0.000 description 8
- 239000011496 polyurethane foam Substances 0.000 description 8
- -1 polyethylene Polymers 0.000 description 7
- 229920000573 polyethylene Polymers 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000004619 high density foam Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model relates to the technical field of PE sheath materials, in particular to a high-strength cable PE sheath material, which comprises an outer sheath layer, wherein the outer sheath layer is a main body of the high-strength cable PE sheath material; the outer sheath layer consists of a wear-resistant coating, a heat insulation layer and a PE sheath body; a shielding layer disposed on an inner wall of the outer sheath layer; a flame retardant layer bonded to an inner wall of the shielding layer; the flame retardant layer is composed of silicone rubber, a halogen-free flame retardant layer and a flame retardant filling layer, the armor layer is wrapped by the aluminum foil layer, and the silicone rubber, the halogen-free flame retardant layer and the flame retardant filling layer are arranged from outside to inside. The utility model overcomes the defects of the prior art, increases the surface hardness and the wear resistance of the PE sheath material through the wear-resistant coating and the heat-insulating layer, reduces the surface damage caused by friction, wear or external environment, and reduces the flame spreading speed and the fire behavior in the combustion process through adding the flame-retardant layer, thereby improving the safety under the condition of electric flame retardance, reducing the contact between the PE sheath and the external environment, and providing an additional protective layer.
Description
Technical Field
The utility model relates to the technical field of PE sheath materials, in particular to a PE sheath material for a high-strength cable.
Background
The PE sheath material of the cable is a material used in the manufacture of the cable, and generally refers to polyethylene used as a material of the cable sheath. Polyethylene is a thermoplastic plastic with good mechanical property, insulating property and chemical corrosion resistance, and the PE sheath material of the cable is generally different in grade and type so as to adapt to different application requirements.
The PE sheath pipe (CN 219287064U) can be referred to in the prior art, a plurality of sheath pipe bodies are sequentially connected along the length direction, the sheath pipe bodies comprise an outer layer pipe and an inner layer pipe, the outer layer pipe is sleeved outside the inner layer pipe, a plurality of raised strips are arranged on the inner peripheral wall of the inner layer pipe and extend along the length direction of the inner layer pipe, the raised strips are arranged at intervals along the circumference of the inner layer pipe, in the two connected sheath pipe bodies, the opposite end parts of the raised strips are provided with gaps, the friction of a cable when the cable is arranged inside the sheath pipe in a penetrating way can be effectively reduced, when the cable is arranged in a penetrating way, the joint is in no contact with the cable, the contact area of the cable and the sheath pipe can be reduced, the friction is further reduced, and at least the following defects are exposed in use:
1. The conventional PE sheath body is a polymer material (polyethylene) having a high inter-chain distance and a loose crystalline structure in its molecular structure, which results in relatively poor wear resistance, while the PE sheath body has a certain heat insulation property, but has a weak heat insulation property with respect to other heat insulation materials, so that a cable PE sheath material for improving wear resistance and heat insulation property is required.
2. The PE material is inflammable plastic, and is usually burnt when exposed fire, high temperature or radiation of the exposed fire, and generates burning phenomena of relatively large fire intensity and more black smoke, and the conventional design improves the flame retardant property by adding flame retardant and other measures, but the flame retardant grade of the design is lower and cannot be suitable for occasions with higher requirements on flame retardance of cables, so that the cable PE sheath material for improving the flame retardant property is needed.
Disclosure of utility model
The utility model aims to provide a high-strength cable PE sheath material, which aims to solve the problem of the prior cable PE sheath material in the use process in the background technology.
In order to realize the technical problems, the utility model provides the following technical scheme:
A high strength cable PE jacket material comprising:
The outer sheath layer is a main body of the PE sheath material of the high-strength cable;
the outer sheath layer consists of a wear-resistant coating, a heat insulation layer and a PE sheath body;
a shielding layer disposed on an inner wall of the outer sheath layer;
a flame retardant layer bonded to an inner wall of the shielding layer;
The flame-retardant layer consists of silicone rubber, a halogen-free flame retardant layer and a flame-retardant filling layer.
Preferably, the shielding layer further comprises an aluminum foil layer and an armor layer, the aluminum foil layer wraps the armor layer, and the aluminum foil layer and the armor layer are the same in thickness.
Preferably, the silicone rubber, the halogen-free flame retardant layer and the flame retardant filling layer are arranged from outside to inside.
Preferably, the inner wall of the flame-retardant layer is connected with a waterproof layer, and the flame-retardant layer is connected with the waterproof layer through colloid.
Preferably, the inner wall of the waterproof layer is connected with an insulating layer, and the waterproof layer is adhered to the insulating layer through colloid.
Preferably, the inner wall of the insulating layer is connected with a filling layer, and the filling layer is composed of polyurethane adhesive tape.
Preferably, the outer end of the conductor is connected with a filling layer, the conductor is composed of aluminum, and the aluminum can protect the conductor inside the cable.
The embodiment of the utility model provides a PE sheath material for a high-strength cable, which has the following beneficial effects:
1. Through setting up wear-resisting coating and insulating layer, this oversheath layer comprises wear-resisting coating, insulating layer and PE sheath body, and the insulating layer adopts polyurethane foam, and wear-resisting coating is polyurethane foam at its surperficial one deck coating to increase its wear resistance, and polyurethane foam compares polyethylene, and polyurethane foam has better heat-proof quality, and polyurethane foam's density is higher than polyethylene generally, and high density foam structure can effectively slow down the heat conduction, thereby provides better thermal-insulated effect, consequently this kind of design can effectively improve the wearability and the thermal-insulated nature of PE sheath body.
2. Through setting up the flame retardant coating, this flame retardant coating comprises silicone rubber, halogen-free flame retardant layer, fire-retardant filling layer, and silicone rubber, halogen-free flame retardant and the flame retardant layer that fire-retardant filling layer combined to form can provide good flame retardant effect, and the flame retardant coating of constitution can prevent the intensity of a fire to spread effectively, reduce the harm of conflagration, improves the fire-retardant grade of PE sheath, can be applicable to the occasion that has higher requirements to cable fire-retardant.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the outer jacket layer structure of the present utility model;
FIG. 3 is a schematic view of a shielding layer structure of the present utility model;
FIG. 4 is a schematic view of the structure of the flame retardant layer of the present utility model.
In the figure: 1. an outer sheath layer; 101. a wear-resistant coating; 102. a thermal insulation layer; 103. a PE sheath body; 2. a shielding layer; 201. an aluminum foil layer; 202. an armor layer; 3. a flame retardant layer; 301. silicone rubber; 302. a halogen-free flame retardant layer; 303. a flame retardant filler layer; 4. a waterproof layer; 5. an insulating layer; 6. a filling layer; 7. a conductor.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Examples: as shown in fig. 1, a high-strength cable PE sheath material is provided, meanwhile, the inner part of the outer sheath layer 1 is connected with a shielding layer 2, a flame retardant layer 3, a waterproof layer 4, an insulating layer 5, a filling layer 6 and a conductor 7, the outer sheath layer 1 can effectively improve the wear resistance and heat insulation of the PE sheath, the inner surface of the shielding layer 2 is fixed with the outer surface of the flame retardant layer 3, the shielding layer 2 is composed of an aluminum foil layer 201 and an armor layer 202, electromagnetic interference can be effectively prevented from influencing signal transmission in the cable, the inner surface of the flame retardant layer 3 is fixed with the outer surface of the waterproof layer 4, the flame retardant property and heat dissipation capability of the cable are effectively improved, the inner surface of the waterproof layer 4 is connected with the outer surface of the insulating layer 5, the waterproof layer 4 is composed of a waterproof material (polyethylene film) and the insulating layer 5 is composed of a crosslinked polyethylene material, faults such as current leakage or short circuit are effectively prevented from occurring in the conductor 7 in the cable, the filling layer 6 is made of an air pipe (polyamide), the conductor 7 is composed of aluminum material, the filling layer 6 and the conductor 7 is mainly used for the structural filling and insulating support of the cable of the wire and the cable, and the electric conduction property of the conductor 7 is satisfied.
As shown in fig. 2, the outer sheath layer 1 is composed of a wear-resistant coating 101, a heat-insulating layer 102 and a PE sheath body 103, the heat-insulating layer 102 is made of polyurethane foam, the wear-resistant coating 101 is generally coated with materials with good wear resistance and adhesion, common materials include polyester, polyurethane, polyolefin and the like, the wear-resistant coating 101 is a coating layer coated on the surface of the polyurethane foam so as to increase the wear resistance, and compared with polyethylene, the polyurethane foam has better heat-insulating performance, can increase the durability and service life of the PE sheath body 103, and provides better protection effect.
As shown in fig. 3, the shielding layer 2 is made of an aluminum foil layer 201 and an armor layer 202, where the aluminum foil layer 201 is usually made of metal aluminum, and has a good shielding effect, provides electromagnetic shielding, blocks interference signals of external electromagnetic waves from affecting the inside of the cable, and the armor layer 202 is coated on a sheath material, so as to provide electromagnetic shielding effect of the cable, reduce interference and noise effects, and the armor layer 202 has the main function of increasing mechanical strength and tensile property of the cable to provide better protection and support.
As shown in fig. 4, the flame retardant layer 3 includes a silicone rubber 301, a halogen-free flame retardant layer 302 and a flame retardant filling layer 303, wherein the silicone rubber 301 halogen-free flame retardant layer 302 generally refers to the use of a silicone rubber 301 material in the construction of an optical cable, and a halogen-free flame retardant is added to provide flame retardant performance, the silicone rubber 301 has good high temperature resistance and oxidation resistance, flame spread can be effectively prevented, and the flame retardant filling layer 303 is used for filling a gap inside the optical cable, on the one hand, mechanical support and protection can be provided.
Working principle: firstly, the PE sheath material is composed of the wear-resistant coating 101 and the heat-insulating layer 102 of the outer sheath layer, so that the wear resistance and heat insulation of the PE sheath body 103 can be effectively improved, surface damage caused by friction, abrasion or external environment is reduced, the durability of the sheath is improved, the influence of interference signals of external electromagnetic waves on the inside of a cable is prevented by connecting the shielding layer 2, the flame-retardant layer 3 is generally formed by using silicone rubber 301, and adding a halogen-free flame retardant to provide flame retardant performance, the silicone rubber 301 has good high temperature resistance and oxidation resistance, flame propagation can be effectively prevented, the flame-retardant filling layer 303 is used for filling gaps in the cable, mechanical support and protection can be provided, the flame retardant grade of the PE sheath is improved, and the PE sheath is applicable to occasions with higher flame retardant requirements on the cable.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. A high strength cable PE jacket material, comprising:
the outer sheath layer (1) is a main body of the PE sheath material of the high-strength cable;
The outer sheath layer (1) consists of a wear-resistant coating (101), a heat insulation layer (102) and a PE sheath body (103);
a shielding layer (2) provided on the inner wall of the outer sheath layer (1);
A flame retardant layer (3) bonded to the inner wall of the shielding layer (2);
The flame-retardant layer (3) is composed of silicone rubber (301), a halogen-free flame retardant layer (302) and a flame-retardant filling layer (303).
2. The high-strength cable PE sheathing compound according to claim 1, wherein the shielding layer (2) further comprises an aluminum foil layer (201) and an armor layer (202), and the aluminum foil layer (201) wraps the armor layer (202), and the aluminum foil layer (201) and the armor layer (202) have the same thickness.
3. The high-strength cable PE sheathing compound of claim 1, wherein the silicone rubber (301), the halogen-free flame retardant layer (302) and the flame retardant filler layer (303) are arranged from outside to inside.
4. The high-strength cable PE sheath material according to claim 1, wherein the inner wall of the flame-retardant layer (3) is connected with a waterproof layer (4), and the flame-retardant layer (3) is connected with the waterproof layer (4) through colloid.
5. The high-strength cable PE sheath material according to claim 4, wherein the inner wall of the waterproof layer (4) is connected with an insulating layer (5), and the waterproof layer (4) and the insulating layer (5) are adhered through colloid.
6. The high-strength cable PE sheath material according to claim 5, wherein a filling layer (6) is connected to the inner wall of the insulating layer (5), and the filling layer (6) is composed of polyurethane adhesive tape.
7. The high-strength cable PE sheathing compound according to claim 6, wherein the inner surface of the filler layer (6) is connected with a conductor (7), the conductor (7) is composed of aluminum material, and the aluminum can protect the conductor (7) inside the cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322710872.4U CN220933812U (en) | 2023-10-10 | 2023-10-10 | PE sheath material for high-strength cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322710872.4U CN220933812U (en) | 2023-10-10 | 2023-10-10 | PE sheath material for high-strength cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220933812U true CN220933812U (en) | 2024-05-10 |
Family
ID=90964213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322710872.4U Active CN220933812U (en) | 2023-10-10 | 2023-10-10 | PE sheath material for high-strength cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220933812U (en) |
-
2023
- 2023-10-10 CN CN202322710872.4U patent/CN220933812U/en active Active
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