CN213400670U - Copper-core low-smoke halogen-free flame-retardant crosslinked polyethylene wire and cable - Google Patents
Copper-core low-smoke halogen-free flame-retardant crosslinked polyethylene wire and cable Download PDFInfo
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- CN213400670U CN213400670U CN202022543383.0U CN202022543383U CN213400670U CN 213400670 U CN213400670 U CN 213400670U CN 202022543383 U CN202022543383 U CN 202022543383U CN 213400670 U CN213400670 U CN 213400670U
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Abstract
The utility model relates to a fire-retardant crosslinked polyethylene wire and cable of low smoke and zero halogen of copper core, including the copper core, the outside fixed mounting of copper core has crosslinked polyethylene insulating layer, it keeps apart the cylinder to be provided with rubber between the crosslinked polyethylene insulating layer, rubber keeps apart the cylinder and leads to long along its length direction and has seted up the arc type groove, the copper core is located the arc type inslot, cylindrical outside fixed mounting is kept apart to rubber has the protective layer, the symmetry is provided with tearing the rope on the protective layer, the outside fixed mounting of protective layer has the tensile fiber layer, the outside fixed mounting of tensile fiber layer has flexible lining, flexible lining outside fixed mounting has the armor steel wire layer, armor steel wire layer outer fixed mounting has the fire-retardant layer of asbestos, the outside fixed mounting of. The design of the rubber isolation cylinder can increase the insulation distance between the copper cores and ensure the normal use of the copper cores; the tear rope design can facilitate the installation of the cable; the design of the asbestos flame-retardant layer can improve the flame retardance of the cable.
Description
Technical Field
The utility model relates to a copper core cable technical field, more specifically say, relate to a fire-retardant crosslinked polyethylene wire and cable of low smoke and zero halogen of copper core.
Background
A rope-like object, usually consisting of several or several groups of conductors twisted together, is called a cable, where the conductors of each group are insulated from each other and usually twisted around a center, and are surrounded by a highly insulating coating, the cable being characterized by an inner current and an outer insulation.
With the development of science and technology, the application of electric power is widely popularized, and the cable is widely applied to the life of people as an electrified device. At present, a common cable is lack of a flame-retardant layer, and is easy to diffuse when a fire disaster happens in the using process; in addition, the sheath of the cable is inconvenient to cut, and the installation efficiency is influenced; simultaneously, the conductor causes the interval to become nearly between the conductor because of buckling easily, influences the normal use of cable, the utility model discloses a new solution is proposed to above problem.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a fire-retardant crosslinked polyethylene wire and cable of copper core low smoke and zero halogen to solve the technical problem who mentions among the background art.
In order to solve the above problems, the utility model adopts the following technical proposal.
The copper core low-smoke halogen-free flame-retardant crosslinked polyethylene wire and cable according to the embodiment of the utility model comprises a copper core, the copper core is provided with three groups, each group of copper core comprises a plurality of copper wires, the outer side of each group of copper core is fixedly provided with a crosslinked polyethylene insulating layer, a rubber isolation cylinder is arranged between the crosslinked polyethylene insulating layers, the rubber isolation cylinder is provided with an arc-shaped groove along the length direction of the rubber isolation cylinder, and the notch in arc type groove is kept away from the cylindrical centre of a circle of rubber isolation, the copper core is located the arc type inslot, cylindrical outside fixed mounting is kept apart to rubber has the protective layer, the symmetry is provided with the tear rope on the protective layer, the outside fixed mounting of protective layer has the tensile fibre layer, the outside fixed mounting of tensile fibre layer has flexible lining, flexible lining outside fixed mounting has the armor steel wire layer, the outer fixed mounting of armor steel wire layer has the fire-retardant layer of asbestos, the outside fixed mounting of the fire-retardant layer of asbestos has the crust wearing layer.
In addition, according to the utility model discloses copper core low smoke zero halogen flame retardant crosslinked polyethylene wire and cable of above-mentioned embodiment can also have following additional technical characterstic:
according to an embodiment of the present invention, the outer side of the crosslinked polyethylene insulation layer is provided with friction stripes.
According to the utility model discloses an embodiment, the outside of rubber isolation cylinder is provided with the spliced pole, and the one end of spliced pole is located in the protective layer.
According to the utility model discloses an embodiment, the spliced pole is provided with a plurality ofly.
According to the utility model discloses an embodiment, be provided with the multi beam steel wire fibre in the tensile fibre layer.
According to the utility model discloses an embodiment, the steel wire fibre is followed the crust direction equidistant arrangement of tensile fibre layer.
According to an embodiment of the present invention, the flexible lining layer is made of plastic material.
According to an embodiment of the invention, the flexible lining layer and the armouring steel wire layer are provided with an adhesive layer therebetween.
According to the utility model discloses an embodiment, the outside of crust wearing layer is provided with transparent maintenance layer.
According to the utility model discloses an embodiment, the outside of crust wearing layer is provided with the scale mark.
Compared with the prior art, the beneficial effects of the utility model are that:
the design of the rubber isolation cylinder can increase the insulation distance between the copper cores, ensure that the distance between the copper cores is not too close due to dragging, and ensure the normal use of the copper cores; the tearing rope is designed, so that a user can conveniently tear the tearing rope to open the protective layer, and the cable can be conveniently installed; the design of the asbestos flame-retardant layer can effectively prevent the cable from being damaged by fire, and the flame retardance of the cable is improved.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a copper-core low-smoke halogen-free flame-retardant crosslinked polyethylene electric wire and cable according to the present invention;
FIG. 2 is a schematic structural diagram of a rubber spacer cylinder;
fig. 3 is a schematic structural diagram of a crosslinked polyethylene insulating layer.
The reference numbers in the figures illustrate:
1. a copper core; 2. a crosslinked polyethylene insulating layer; 3. a rubber isolation cylinder; 4. an arc-shaped groove; 5. a protective layer; 6. tearing the rope; 7. a tensile fiber layer; 8. a flexible liner; 9. a layer of armoured steel wire; 10. an asbestos flame retardant layer; 11. a wear resistant layer of the outer skin; 12. rubbing the stripes; 13. connecting columns; 14. steel wire fibers; 15. an adhesive layer; 16. and (4) a transparent maintenance layer.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1 to 3, the copper core low smoke zero halogen flame retardant crosslinked polyethylene electric wire and cable according to the embodiment of the present invention comprises a copper core 1, the copper core 1 is provided with three groups, each group of the copper core 1 comprises a plurality of copper wires, each group of the copper core 1 is fixedly provided with a crosslinked polyethylene insulating layer 2 at the outer side, a rubber isolation cylinder 3 is arranged between the crosslinked polyethylene insulating layers 2, the rubber isolation cylinder 3 is provided with an arc-shaped groove 4 along the length direction, the notch of the arc-shaped groove 4 is far away from the center of the rubber isolation cylinder 3, the copper core 1 is located in the arc-shaped groove 4, the outer side of the rubber isolation cylinder 3 is fixedly provided with a protection layer 5, the protection layer 5 is symmetrically provided with tearing ropes 6, the outer side of the protection layer 5 is fixedly provided with a tensile fiber layer 7, the outer side of the tensile fiber layer 7 is fixedly provided with a flexible lining layer 8, an asbestos flame-retardant layer 10 is fixedly arranged outside the armored steel wire layer 9, and an outer wear-resistant layer 11 is fixedly arranged outside the asbestos flame-retardant layer 10.
The design of the rubber isolation cylinder 3 can increase the insulation distance between the copper cores 1, ensure that the distance between the copper cores 1 is not too close due to dragging, and ensure the normal use of the copper cores 1; the design of the tearing rope 6 is convenient for a user to open the protective layer 5 by tearing the tearing rope 6, so that the cable is convenient to install; the design of the asbestos flame-retardant layer 10 can effectively prevent the cable from being damaged by fire and improve the flame retardance of the cable.
Further, the outer side of the crosslinked polyethylene insulation layer 2 is provided with friction stripes 12. The friction stripes 12 are designed to improve the friction force between the crosslinked polyethylene insulating layer 2 and the rubber isolation cylinder 3.
Further, the outer side of the rubber isolation cylinder 3 is provided with a connecting column 13, and one end of the connecting column 13 is located in the protective layer 5. The design of the connecting column 13 can ensure the integrity of the rubber isolation cylinder 3 and the protective layer 5.
Further, the connection column 13 is provided in plurality. Through the design, the connection strength of the rubber isolation cylinder 3 and the protective layer 5 can be increased.
Further, a plurality of bundles of steel wire fibers 14 are arranged in the tensile fiber layer 7. The steel wire fiber 14 is designed to increase the tensile strength of the tensile fiber layer 7.
Further, the steel wire fibers 14 are arranged at equal intervals in the sheath direction of the tensile fiber layer 7. Through the design, the stress of the tensile fiber layer 7 can be more uniform.
Furthermore, the flexible lining layer 8 is made of plastic. Through the design, the manufacturing cost of the cable can be reduced due to the low manufacturing cost of the plastic.
Further, an adhesive layer 15 is arranged between the flexible lining layer 8 and the armor steel wire layer 9. The design of the adhesive layer 15 can increase the connecting strength of the flexible lining layer 8 and the armored steel wire layer 9 bracket.
Further, a transparent maintenance layer 16 is arranged on the outer side of the outer wear-resistant layer 11. The design of the transparent maintenance layer 16 can reduce the abrasion of the outer wear-resistant layer 11 and prolong the service life of the outer wear-resistant layer 11.
Further, scale marks are arranged on the outer side of the outer wear-resistant layer 11. The design of the scale marks can facilitate the operator to quantitatively cut the cable.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides a fire-retardant crosslinked polyethylene wire and cable of copper core low smoke and zero halogen, includes the copper core, the copper core is provided with three groups, and each is restrainted including many copper wires in the copper core, its characterized in that: each bundle the outside fixed mounting of copper core has crosslinked polyethylene insulating layer, it keeps apart the cylinder to be provided with rubber between the crosslinked polyethylene insulating layer, the rubber keeps apart the cylinder and leads to long along its length direction and has seted up the arc type groove, and the notch in arc type groove is kept away from the cylindrical centre of a circle of rubber isolation, the copper core is located the arc type inslot, cylindrical outside fixed mounting is kept apart to rubber has the protective layer, the symmetry is provided with tears the rope on the protective layer, the outside fixed mounting of protective layer has the tensile fiber layer, the outside fixed mounting on tensile fiber layer has flexible lining, flexible lining outside fixed mounting has the armor steel wire layer, the outer fixed mounting of armor steel wire layer has the fire-retardant layer of asbestos, the outside.
2. The copper core low smoke zero halogen flame retardant cross-linked polyethylene wire and cable according to claim 1, characterized in that: and friction stripes are arranged on the outer side of the crosslinked polyethylene insulating layer.
3. The copper core low smoke zero halogen flame retardant cross-linked polyethylene wire and cable according to claim 1, characterized in that: the outer side of the rubber isolation cylinder is provided with a connecting column, and one end of the connecting column is located in the protective layer.
4. The copper core low smoke zero halogen flame retardant cross-linked polyethylene wire and cable according to claim 3, characterized in that: the spliced pole is provided with a plurality ofly.
5. The copper core low smoke zero halogen flame retardant cross-linked polyethylene wire and cable according to claim 1, characterized in that: and a plurality of bundles of steel wire fibers are arranged in the tensile fiber layer.
6. The copper core low smoke zero halogen flame retardant cross-linked polyethylene wire and cable according to claim 5, characterized in that: the steel wire fibers are arranged at equal intervals along the sheath direction of the tensile fiber layer.
7. The copper core low smoke zero halogen flame retardant cross-linked polyethylene wire and cable according to claim 1, characterized in that: the flexible lining layer is made of plastic materials.
8. The copper core low smoke zero halogen flame retardant cross-linked polyethylene wire and cable according to claim 1, characterized in that: and an adhesive layer is arranged between the flexible lining layer and the armor steel wire layer.
9. The copper core low smoke zero halogen flame retardant cross-linked polyethylene wire and cable according to claim 1, characterized in that: and a transparent maintenance layer is arranged on the outer side of the outer wear-resistant layer.
10. The copper core low smoke zero halogen flame retardant cross-linked polyethylene wire and cable according to claim 1, characterized in that: and scale marks are arranged on the outer side of the outer skin wear-resistant layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022543383.0U CN213400670U (en) | 2020-11-05 | 2020-11-05 | Copper-core low-smoke halogen-free flame-retardant crosslinked polyethylene wire and cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022543383.0U CN213400670U (en) | 2020-11-05 | 2020-11-05 | Copper-core low-smoke halogen-free flame-retardant crosslinked polyethylene wire and cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213400670U true CN213400670U (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022543383.0U Active CN213400670U (en) | 2020-11-05 | 2020-11-05 | Copper-core low-smoke halogen-free flame-retardant crosslinked polyethylene wire and cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213400670U (en) |
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2020
- 2020-11-05 CN CN202022543383.0U patent/CN213400670U/en active Active
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