CN206907530U - A kind of high reliability aerial cable - Google Patents
A kind of high reliability aerial cable Download PDFInfo
- Publication number
- CN206907530U CN206907530U CN201720901125.0U CN201720901125U CN206907530U CN 206907530 U CN206907530 U CN 206907530U CN 201720901125 U CN201720901125 U CN 201720901125U CN 206907530 U CN206907530 U CN 206907530U
- Authority
- CN
- China
- Prior art keywords
- pearl cotton
- coated
- cable
- cotton cushion
- aramid fiber
- 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
Links
- 229920000742 Cotton Polymers 0.000 claims abstract description 46
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 28
- 230000004888 barrier function Effects 0.000 claims abstract description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000004760 aramid Substances 0.000 claims abstract description 11
- 229920003235 aromatic polyamide Polymers 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 6
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 5
- 238000012946 outsourcing Methods 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims 1
- 229920002994 synthetic fiber Polymers 0.000 claims 1
- 230000035939 shock Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 238000009413 insulation Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- -1 Polyethylene Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulated Conductors (AREA)
Abstract
It the utility model is related to a kind of high reliability aerial cable,The technical problems to be solved in the utility model is to provide a kind of from heavy and light,Self-supporting,Tension and strong shock resistance,The high aerial cable of reliability,In order to solve the above-mentioned technical problem,The utility model provides such a high reliability aerial cable,Include core,Insulating barrier,Tension shielding layer,Inner sheath,Pearl cotton cushion,Aramid fiber head-rope,Oversheath and aramid fiber tensile layer,Core is coated with insulating barrier,Insulating barrier is coated with tension shielding layer,Tension shielding layer is coated with inner sheath,Inner sheath is coated with pearl cotton cushion,Pearl cotton cushion is coated with oversheath,Aramid fiber head-rope is provided with pearl cotton cushion,Radiating groove is provided with pearl cotton cushion,Tension shielding layer is the braid of aramid line and thin copper wire,The utility model has reached cable from heavy and light,With self-supporting structure,It is relatively low to lay cost,Tension and strong shock resistance,The high effect of reliability.
Description
Technical field
It the utility model is related to field of cables, more particularly to a kind of high reliability aerial cable.
Background technology
Aerial cable is that cable trough is hung over to a kind of cable construction method having away from ground on certain altitude electric pole, with underground
Cable is compared, not safe enough although being easier to by ectocine, also unsightly, sets up easy, and construction cost is low, thus with
The more dispersed mountain area in family is widely used, and aerial cable has certain weight in itself, so typically to there is the structure of self-supporting
Or separately set messenger wire.
And as socio-economic development, the demand of electric wire constantly increase, the performance quality requirements of cable are also got over
Come higher, and aerial cable is in use, can not only be pullled by self gravitation, because space environment residing for it is complicated,
The various interference from the external world are also suffered from, such as wind-force is pullled, bird stops increase pulling force, branch impact, and this will
Aerial cable is asked not only to have very strong tensile capacity, it is necessary to the impulsive force of outer bound pair cable surface can be resisted, to avoid
Cable is pulled off or is destroyed.
Aerial cable is most of at present realizes self-supporting and power transmission using steel-cored aluminium strand, can so not have to another
Outer erection messenger wire, improve and set up speed, cost-effective, the material such as steel-cored aluminium strand outsourcing insulation, shielding simultaneously uses crosslinking
Polyethylene in order to shock resistance, will also there is one layer of shock proof packed layer, this allows for the increasing of cable own wt as sheath
Add, electricity span during erection cable is reduced, add the cost of erection, in order to solve the above problems, it is necessary to develop
It is a kind of from heavy and light, the aerial cable that self-supporting, tensile capacity be strong, strong shock resistance, reliability are high.
Utility model content
(1) technical problems to be solved
The utility model uses to overcome existing aerial cable to meet the performances such as insulation, shielding, tension, shock resistance
Multiple material, sandwich construction cause the shortcomings that relatively large, erection cost is high of conducting oneself with dignity, the technical problems to be solved in the utility model
Be to provide it is a kind of from heavy and light, the aerial cable that self-supporting, tensile capacity be strong, strong shock resistance, reliability are high.
(2) technical scheme
In order to solve the above-mentioned technical problem, the utility model provides such a high reliability aerial cable, includes
Core, insulating barrier, tension shielding layer, inner sheath, pearl cotton cushion, aramid fiber head-rope, oversheath and aramid fiber tensile layer, core
Insulating barrier is coated with, insulating barrier is coated with tension shielding layer, and tension shielding layer is coated with inner sheath, inner sheath outer cladding
There is pearl cotton cushion, pearl cotton cushion is coated with oversheath, aramid fiber head-rope, pearl are provided with pearl cotton cushion
Radiating groove is provided with cotton cushion, tension shielding layer is the braid of aramid line and thin copper wire.
Preferably, based on radical, the ratio of aramid line and thin copper wire is 2：3.
Preferably, aramid fiber tensile layer is also included, aramid fiber tensile layer is arranged between pearl cotton cushion and oversheath.
Preferably, core uses aluminum stranded conductor.
Preferably, inner sheath and external sheath layer material are crosslinked polyethylene.
Preferably, pearl cotton cushion is using fire prevention pearl cotton.
(3) beneficial effect
The utility model overcomes existing aerial cable to meet the performances such as insulation, shielding, tension, shock resistance, using more
Kind material, sandwich construction cause the shortcomings that relatively large, erection cost is high of conducting oneself with dignity.
Cable using aramid fiber replaces existing steel core, and as tensile members and supporting part, aramid fiber intensity is 5~6 times of steel wire, mould
Measure as 2~3 times of steel wire, toughness is 2 times of steel wire, and weight is only 1/5 of steel wire or so, it is possible to less material
Reach more preferable effect, can the very effective deadweight for reducing cable.
Tensile layer and screen layer are merged into hard-packed one layer with the braid of aramid line and thin copper wire, can be reduced
The surface area of cable, further reduce cable deadweight while economizing on material, moreover it is possible to reduce active force of the wind to cable, improve electricity
The reliability of cable.
Using the low-down pearl cotton of density as the cushioning layer material of cable, water proof that pearl cotton has is moistureproof, it is shockproof,
Sound insulation, plasticity is good, toughness is strong, reconstituted circularly, environmental protection, strong crashworthiness power many advantages, such as, make cable weight very light and
With extraordinary anti-interference, impact resistance.
Radiating groove is provided with pearl cotton cushion, cable is provided with certain overload capacity, overloads and heats up in cable
After can radiate in time without breaking down, effectively increase the reliability of cable.
The utility model reached cable from heavy and light, there is self-supporting structure, cost is relatively low for laying, tension and shock resistance energy
The effect that power is strong, reliability is high.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the structural representation of the utility model embodiment 2.
Mark in accompanying drawing for：1- cores, 2- insulating barriers, 3- tension shielding layers, 4- inner sheaths, 5- pearl cotton cushions,
51- radiating grooves, 6- aramid fiber head-ropes, 7- oversheaths, 8- aramid fiber tensile layers.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
Embodiment 1
A kind of high reliability aerial cable, as shown in figure 1, include core (1), insulating barrier (2), tension shielding layer (3),
Inner sheath (4), pearl cotton cushion (5), aramid fiber head-rope (6), oversheath (7) and aramid fiber tensile layer (8), core (1) are set
Three, core (1) is coated with insulating barrier (2), and insulating barrier (2) is coated with tension shielding layer (3), and tension shielding layer (3) is outside
Inner sheath (4) is coated with, three inner sheaths (4) are coated with pearl cotton cushion (5), pearl cotton cushion (5) outsourcing jointly outside
Oversheath (7) is covered with, aramid fiber head-rope (6) is provided with pearl cotton cushion (5), radiating is provided with pearl cotton cushion (5)
Groove (51), tension shielding layer (3) are the braid of aramid line and thin copper wire, and based on radical, the ratio of aramid line and thin copper wire is
2：3, core (1) uses aluminum stranded conductor, and inner sheath (4) and oversheath (7) material are crosslinked polyethylene, and pearl cotton cushion (5) is adopted
With fire prevention pearl cotton, insulating barrier (2) material uses cross-linked polrvinyl chloride.
Cable using aramid fiber replaces existing steel core, and as tensile members and supporting part, aramid fiber intensity is 5~6 times of steel wire, mould
Measure as 2~3 times of steel wire, toughness is 2 times of steel wire, and weight is only 1/5 of steel wire or so, it is possible to less material
Reach more preferable effect, can the very effective deadweight for reducing cable；Plus tensile layer and screen layer aramid line and thin copper
The braid of silk merges into hard-packed one layer, can reduce the surface area of cable, further reduce while economizing on material
Cable is conducted oneself with dignity, moreover it is possible to is reduced active force of the wind to cable, is improved the reliability of cable；Along with the use low-down pearl of density
Cushioning layer material of the cotton as cable, water proof that pearl cotton has is moistureproof, shockproof, sound insulation, plasticity is good, toughness is strong, circulation
Reconstruction, environmental protection, many advantages, such as crashworthiness power is strong, make cable very light and there is very good anti-interference, shock proof ability, because
Also there is heat insulation effect for pearl cotton, in order that cable has certain overload capacity, then opened on pearl cotton cushion (5)
There is radiating groove (51), can in time be radiated without breaking down after making cable overload heating, effectively increase the reliability of cable.
Based on radical, the ratio of aramid line and thin copper wire is 2：When 3, it both can guarantee that the tensile capacity of cable disclosure satisfy that and wanted
Ask, and can ensures that shield effectiveness can reach requirement；Core (1) uses aluminum stranded conductor, because the line density of aluminium is in conventional wire
In it is most light, and its electric conductivity is excellent, can reduce cable weight while electric conductivity reaches requirement, saves cable paving
It is set as this；Inner sheath (4) and oversheath (7) material are crosslinked polyethylene, and crosslinked polyethylene is cheap, good insulation preformance, tool
There is certain fire retardant performance, be one of the most frequently used cable sheath material；Pearl cotton cushion (5) is using fire prevention pearl
Cotton, it is possible to increase cable-flame retardant fireproof security performance, insulating barrier (2) material use cross-linked polrvinyl chloride, cross-linked polrvinyl chloride
Dimensionally stable, softening point are high under high temperature, cable is can continue to stable operation after overload, improve the reliability of cable.
Embodiment 2
A kind of high reliability aerial cable, as shown in Fig. 2 include core (1), insulating barrier (2), tension shielding layer (3),
Inner sheath (4), pearl cotton cushion (5), aramid fiber head-rope (6), oversheath (7) and aramid fiber tensile layer (8), core (1) are set
Three, core (1) is coated with insulating barrier (2), and insulating barrier (2) is coated with tension shielding layer (3), and tension shielding layer (3) is outside
Inner sheath (4) is coated with, three inner sheaths (4) are coated with pearl cotton cushion (5), pearl cotton cushion (5) outsourcing jointly outside
Oversheath (7) is covered with, aramid fiber head-rope (6) is provided with pearl cotton cushion (5), radiating is provided with pearl cotton cushion (5)
Groove (51), tension shielding layer (3) are the braid of aramid line and thin copper wire, and based on radical, the ratio of aramid line and thin copper wire is
2：3, also include aramid fiber tensile layer (8), aramid fiber tensile layer (8) is arranged between pearl cotton cushion (5) and oversheath (7),
Core (1) uses aluminum stranded conductor, and inner sheath (4) is crosslinked polyethylene with oversheath (7) material, and pearl cotton cushion (5) is using anti-
Fiery pearl cotton.
Add one layer of aramid fiber tensile layer (8) on the basis of embodiment 1, strengthen the overall tensile resistance of cable, make cable
It can be installed between more remote electric pole.
Embodiment described above only expresses preferred embodiment of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model patent scope.It should be pointed out that for the common of this area
For technical staff, without departing from the inventive concept of the premise, some deformations can also be made, improves and substitutes, these are all
Belong to the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (6)
- A kind of 1. high reliability aerial cable, it is characterised in that include core (1), insulating barrier (2), tension shielding layer (3), Inner sheath (4), pearl cotton cushion (5), aramid fiber head-rope (6), oversheath (7) and aramid fiber tensile layer (8), core (1) outsourcing Insulating barrier (2) is covered with, insulating barrier (2) is coated with tension shielding layer (3), and tension shielding layer (3) is coated with inner sheath (4), Inner sheath (4) is coated with pearl cotton cushion (5), and pearl cotton cushion (5) is coated with oversheath (7), pearl cotton buffering Aramid fiber head-rope (6) is provided with layer (5), radiating groove (51) is provided with pearl cotton cushion (5), tension shielding layer (3) is virtue The braid of synthetic fibre line and thin copper wire.
- A kind of 2. high reliability aerial cable according to claim 1, it is characterised in that based on radical, aramid line with it is thin The ratio of copper wire is 2：3.
- 3. a kind of high reliability aerial cable according to claim 1, it is characterised in that also include aramid fiber tensile layer (8), aramid fiber tensile layer (8) is arranged between pearl cotton cushion (5) and oversheath (7).
- 4. a kind of high reliability aerial cable according to claim 1, it is characterised in that core (1) uses aluminum stranded conductor.
- 5. a kind of high reliability aerial cable according to claim 1, it is characterised in that inner sheath (4) and oversheath (7) Material is crosslinked polyethylene.
- 6. a kind of high reliability aerial cable according to claim 1, it is characterised in that pearl cotton cushion (5) uses Fire prevention pearl cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720901125.0U CN206907530U (en) | 2017-07-24 | 2017-07-24 | A kind of high reliability aerial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720901125.0U CN206907530U (en) | 2017-07-24 | 2017-07-24 | A kind of high reliability aerial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206907530U true CN206907530U (en) | 2018-01-19 |
Family
ID=61313378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720901125.0U Expired - Fee Related CN206907530U (en) | 2017-07-24 | 2017-07-24 | A kind of high reliability aerial cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206907530U (en) |
-
2017
- 2017-07-24 CN CN201720901125.0U patent/CN206907530U/en not_active Expired - Fee Related
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Legal Events
| 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: 20180119 |