CN214476573U - High-strength crosslinked insulated cable - Google Patents
High-strength crosslinked insulated cable Download PDFInfo
- Publication number
- CN214476573U CN214476573U CN202120380452.2U CN202120380452U CN214476573U CN 214476573 U CN214476573 U CN 214476573U CN 202120380452 U CN202120380452 U CN 202120380452U CN 214476573 U CN214476573 U CN 214476573U
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- CN
- China
- Prior art keywords
- layer
- cable
- tape
- armor layer
- cable core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000004020 conductor Substances 0.000 claims abstract description 13
- 239000000945 filler Substances 0.000 claims abstract description 11
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- 239000010445 mica Substances 0.000 claims abstract description 9
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 9
- 229920003225 polyurethane elastomer Polymers 0.000 claims abstract description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 10
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 10
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000002657 fibrous material Substances 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 238000009954 braiding Methods 0.000 claims 1
- 238000001125 extrusion Methods 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 42
- 238000013016 damping Methods 0.000 description 9
- QZLJNVMRJXHARQ-UHFFFAOYSA-N [Zr].[Cr].[Cu] Chemical compound [Zr].[Cr].[Cu] QZLJNVMRJXHARQ-UHFFFAOYSA-N 0.000 description 7
- 230000009970 fire resistant effect Effects 0.000 description 7
- 230000006378 damage Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 238000009941 weaving Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 229910001093 Zr alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- JUVGUSVNTPYZJL-UHFFFAOYSA-N chromium zirconium Chemical compound [Cr].[Zr] JUVGUSVNTPYZJL-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
本实用新型公开了一种高强度交联绝缘电缆，其技术方案要点是：包括多根电缆缆芯，多根电缆缆芯相互绞合，电缆缆芯从内向外依次包括缆芯导体、耐火云母带与绝缘层，耐火云母带绕设在缆芯导体的外侧，电缆缆芯的外端设置有绕包带层，电缆缆芯与绕包带层之间的缝隙填充设置有填充物，填充物的内部设置有多个柔性支撑件与多根抗拉绳，柔性支撑件采用聚氨酯橡胶制成，绕包带层的外侧设置有屏蔽层，屏蔽层的外侧设置有内铠装层，内铠装层的外侧设置有外铠装层，内铠装层与外铠装层采用铜带重叠绕包而成，内铠装层与外铠装层之间的缝隙设置有多个减震弹簧，外铠装层的外侧挤包有护套层；本实用新型强度高，并且具有良好的抗挤压性与抗拉伸性。
The utility model discloses a high-strength cross-linked insulated cable, the technical scheme of which is as follows: comprising a plurality of cable cores, the plurality of cable cores are twisted with each other, and the cable cores sequentially include a cable core conductor, a refractory mica from the inside to the outside The tape and the insulating layer, the refractory mica tape is wound on the outer side of the cable core conductor, the outer end of the cable core is provided with a wrapping tape layer, and the gap between the cable core and the wrapping tape layer is filled with fillers. There are a plurality of flexible supports and a plurality of tensile ropes inside, the flexible supports are made of polyurethane rubber, the outer side of the wrapping layer is provided with a shielding layer, the outer side of the shielding layer is provided with an inner armor layer, and the inner armor is The outer side of the layer is provided with an outer armor layer, the inner armor layer and the outer armor layer are formed by overlapping and wrapping copper tapes, and a plurality of shock-absorbing springs are arranged in the gap between the inner armor layer and the outer armor layer, and the outer armor layer is The outer side of the armoring layer is extruded with a sheath layer; the utility model has high strength and good anti-extrusion and tensile properties.
Description
Technical Field
The utility model belongs to the technical field of the cable technique and specifically relates to a high strength crosslinked insulated cable.
Background
The cable is used for transmitting electric energy, information and wire products for realizing electromagnetic energy conversion, the generalized wire cable is also called as cable for short, the narrow cable is insulated cable, and it can be defined as: an aggregate consisting of; one or more insulated wire cores, and their respective possible coatings, total protective layers and outer jackets, the cable may also have additional conductors without insulation.
Most of existing insulated cables are poor in extrusion resistance, and when the extrusion force applied to the cable is too large, cable cores inside the cable are likely to be damaged, so that normal use of the cable is affected; and current insulated cable tensile strength is not good, and the workman drags the cable inlet wire at the in-process of erectting the cable, causes the damage of cable easily, influences the normal use of cable.
SUMMERY OF THE UTILITY MODEL
To the problem mentioned in the background art, the utility model aims at providing a high strength crosslinked insulated cable, intensity is high to have good anti extrudability and tensile properties.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a high-strength crosslinked insulated cable comprises a plurality of cable cores, wherein the cable cores are mutually twisted, the cable cores sequentially comprise a cable core conductor, a fire-resistant mica tape and an insulating layer from inside to outside, the fire-resistant mica tape is wound outside the cable core conductor, a wrapping tape layer is arranged at the outer end of each cable core, a filler is filled in a gap between each cable core and the wrapping tape layer, a plurality of flexible supporting pieces and a plurality of tensile ropes are arranged inside the filler, each flexible supporting piece is made of polyurethane rubber, each tensile rope is made of a chromium-zirconium-copper alloy wire, a shielding layer is arranged outside the wrapping tape layer, an inner armor layer is arranged outside the shielding layer, an outer armor layer is arranged outside the inner armor layer, the inner armor layer and the outer armor layer are formed by overlapping and wrapping copper strips, and a plurality of damping springs are arranged in the gap between the inner armor layer and the outer armor layer, and a sheath layer is extruded and coated on the outer side of the outer armor layer.
Furthermore, the cable core conductor is formed by twisting a plurality of strands of tinned copper wires and tinned nickel wires in a composite mode, and the diameters of the tinned copper wires and the tinned nickel wires are 0.8 mm.
By adopting the technical scheme, the cable core can be ensured to have good conductivity.
Furthermore, the insulating layer is made of cross-linked polyethylene materials in an extrusion wrapping mode.
Through adopting above-mentioned technical scheme, the insulating layer adopts the cross-linked polyethylene material to make and has good electric insulation effect between each cable core, and the cross-linked polyethylene is a flexibility, high mechanical strength, the good ultrapure insulating material of electrical property, has higher insulation resistance constant as insulating material, can bear higher voltage level, guarantees simultaneously that the cable has excellent insulating nature, and the cross-linked polyethylene in case what take place the cable burning produces is carbon dioxide and water, possesses the low smoke characteristic of no halogen.
Furthermore, the wrapping tape layer is made of a fire-resistant fiber material.
By adopting the technical scheme, a plurality of cable cores are conveniently bound together.
Further, the filler is inorganic mineral paper ropes.
By adopting the technical scheme, the inorganic mineral paper rope has good heat resistance.
Furthermore, the shielding layer is formed by mixing and weaving tinned copper wires and an aluminum foil composite belt, and the weaving coverage rate of the shielding layer is not less than 85%.
By adopting the technical scheme, the cable has good capability of shielding external electromagnetic signal interference.
Further, the sheath layer is a crosslinked polyethylene sheath.
By adopting the technical scheme, the cross-linked polyethylene sheath has the comprehensive properties of good mechanical property, environmental stress cracking resistance, chemical corrosion resistance, temperature resistance, creep resistance, electrical property and the like, and the temperature resistance grade is obviously improved.
To sum up, the utility model discloses mainly have following beneficial effect:
1. the utility model has the advantages that by arranging two armor layers and arranging a plurality of damping springs between the two armor layers, the strength of the cable can be improved, the extrusion resistance of the cable can be improved, and when the cable is extruded, the damping springs can play good buffering and damping functions; simultaneously be provided with a plurality of flexible support piece in the inside of cable, flexible support piece adopts polyurethane rubber to make, and polyurethane rubber has good elasticity, can protect the inside cable core of cable not receive the injury.
2. The utility model discloses a, through being provided with many stretch-proofing ropes in the inside of cable, the stretch-proofing rope is chromium zirconium copper alloy line, and chromium zirconium copper alloy has higher mechanical properties for chromium zirconium copper alloy line's tensile strength is stronger, can protect the cable not receive the damage at the in-process of laying.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a cable core; 101. a cable core conductor; 102. fire-resistant mica tapes; 103. an insulating layer; 2. Wrapping a belt layer; 3. a filler; 4. a flexible support; 5. a tensile strand; 6. a shielding layer; 7. an inner armor layer; 8. an outer armor layer; 9. a damping spring; 10. a sheath layer.
Detailed Description
In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1, a high-strength crosslinked insulated cable comprises a plurality of cable cores 1, the plurality of cable cores 1 are twisted with each other, the cable cores 1 sequentially comprise a core conductor 101, a fire-resistant mica tape 102 and an insulating layer 103 from inside to outside, the fire-resistant mica tape 102 is wound outside the core conductor 101, a wrapping tape layer 2 is arranged at the outer end of the cable core 1, a filler 3 is filled in a gap between the cable core 1 and the wrapping tape layer 2, a plurality of flexible supporting members 4 and a plurality of tensile-resistant ropes 5 are arranged inside the filler 3, the flexible supporting members 4 are made of polyurethane rubber, the tensile-resistant ropes 5 are chromium-zirconium alloy wires, chromium and zirconium can form oxides, a copper matrix can achieve the purpose of grain refinement, the tensile strength of the tensile-resistant ropes 5 can be improved, a shielding layer 6 is arranged outside the wrapping tape layer 2, and an inner armor layer 7 is arranged outside the shielding layer 6, the outside of interior armor 7 is provided with outer armor 8, and interior armor 7 adopts the copper strips to overlap around the package with outer armor 8 and forms, and the gap between interior armor 7 and the outer armor 8 is provided with a plurality of damping spring 9, and the crowded package in the outside of outer armor 8 has restrictive coating 10.
Referring to fig. 1, the cable core conductor 101 is formed by twisting a plurality of strands of tinned copper wires and tinned nickel wires in a composite manner, wherein the diameters of the tinned copper wires and the tinned nickel wires are 0.8 mm.
Referring to fig. 1, the insulating layer 103 is made of an extruded cross-linked polyethylene material.
Referring to fig. 1, a tape covering 2 is made of a fire resistant fiber material.
Referring to fig. 1, the filler 3 is an inorganic mineral paper rope.
Referring to fig. 1, the shielding layer 6 is formed by weaving a composite tape of a tinned copper wire and an aluminum foil in a mixed manner, and the weaving coverage rate of the shielding layer 6 is not less than 85%.
Referring to fig. 1, the sheath layer 10 is a crosslinked polyethylene sheath.
When the utility model is used, the two armoring layers are arranged, and the damping springs 9 are arranged between the two armoring layers, so that the strength of the cable can be improved, the extrusion resistance of the cable can be improved, and when the cable is extruded, the damping springs 9 can play a good role in buffering and damping; meanwhile, a plurality of flexible supporting pieces 4 are arranged inside the cable, the flexible supporting pieces 4 are made of polyurethane rubber, and the polyurethane rubber has good elasticity and can protect the cable core 1 inside the cable from being damaged; through being provided with many stretch-proofing ropes 5 in the inside of cable, stretch-proofing rope 5 is chromium zirconium copper alloy line, and chromium zirconium copper alloy has higher mechanical properties for chromium zirconium copper alloy line's tensile strength is stronger, can protect the cable not receive the damage at the in-process of laying.
Finally, it should be noted that: although the present invention has been described in detail 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 in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120380452.2U CN214476573U (en) | 2021-02-19 | 2021-02-19 | High-strength crosslinked insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120380452.2U CN214476573U (en) | 2021-02-19 | 2021-02-19 | High-strength crosslinked insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214476573U true CN214476573U (en) | 2021-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120380452.2U Expired - Fee Related CN214476573U (en) | 2021-02-19 | 2021-02-19 | High-strength crosslinked insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214476573U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114709018A (en) * | 2022-03-21 | 2022-07-05 | 河南乐山电缆有限公司 | Flexible high-temperature-resistant fire-resistant control cable and preparation method thereof |
| CN114758825A (en) * | 2022-03-23 | 2022-07-15 | 国动网络通信集团山东有限公司 | Outdoor long-distance laying high-strength communication cable |
| CN117877790A (en) * | 2024-03-11 | 2024-04-12 | 四川省万阳电缆有限公司 | High-strength cable based on copper alloy material and manufacturing method |
-
2021
- 2021-02-19 CN CN202120380452.2U patent/CN214476573U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114709018A (en) * | 2022-03-21 | 2022-07-05 | 河南乐山电缆有限公司 | Flexible high-temperature-resistant fire-resistant control cable and preparation method thereof |
| CN114758825A (en) * | 2022-03-23 | 2022-07-15 | 国动网络通信集团山东有限公司 | Outdoor long-distance laying high-strength communication cable |
| CN114758825B (en) * | 2022-03-23 | 2024-08-23 | 国动网络通信集团山东有限公司 | Outdoor remote high-strength communication cable for laying |
| CN117877790A (en) * | 2024-03-11 | 2024-04-12 | 四川省万阳电缆有限公司 | High-strength cable based on copper alloy material and manufacturing method |
| CN117877790B (en) * | 2024-03-11 | 2024-05-24 | 四川省万阳电缆有限公司 | High-strength cable based on copper alloy material and manufacturing method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |