CN205810434U - A kind of anti-ant water-proof cable with nylon sheath wire - Google Patents
A kind of anti-ant water-proof cable with nylon sheath wire Download PDFInfo
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- CN205810434U CN205810434U CN201620607227.7U CN201620607227U CN205810434U CN 205810434 U CN205810434 U CN 205810434U CN 201620607227 U CN201620607227 U CN 201620607227U CN 205810434 U CN205810434 U CN 205810434U
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- sheath wire
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- 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
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Abstract
This utility model relates to a kind of anti-ant water-proof cable with nylon sheath wire, it includes cable core, cable core includes conductor and the insulating barrier being arranged on conductor periphery, the periphery of insulating barrier is provided with waterproof layer, it is provided with resin sheath on the periphery of waterproof layer, it is provided with sliding layer on the periphery of resin sheath, sliding layer includes the first strap-like member and the second strap-like member that structure is identical, first strap-like member is around the periphery wrapping in resin sheath, second strap-like member is around the periphery wrapping in the first strap-like member, anti-ant layer it is provided with on the periphery of sliding layer, it is provided with fireprotection layer on the periphery of anti-ant layer, it is provided with nylon sheath wire on the periphery of fireprotection layer, anti-twist layer it is provided with in nylon sheath wire, anti-twist layer uses aramid fiber yarn to be woven into netted composition, the periphery of nylon sheath wire is provided with oversheath.The purpose of this utility model is to provide a kind of and has stronger stretch-proof performance and torsional resistance and the strong anti-ant water-proof cable with nylon sheath wire of long-term water resistance separating performance.
Description
Technical field
This utility model relates to field of cables, particularly relates to a kind of anti-ant water-proof cable with nylon sheath wire.
Background technology
Underground electric transmission line mainly uses the cable of extra-high voltage (mainly more than 22KV), owing to being embedded in underground, and warp
Often by as Coptotermes formosanus Shtrari. bitten corrode destroy, service life is greatly shortened.
In prior art, high hard resin layer (the most anti-ant layer) is generally used to prevent worm ant from destroying cable.
The anti-ant layer higher owing to arranging hardness, causes the degree of crook of cable to be affected.During bending cable, anti-ant layer
Fold can be produced, affect other layers inside cable, particularly waterproof layer, affect the long-term water resistance separating performance of waterproof layer.
Generally this type of cable is because adding high hard resin layer, and its stretch-proof performance and torsional resistance are the highest.
Utility model content
In order to solve the problems referred to above, the purpose of this utility model is that providing a kind of has stronger stretch-proof performance and resist
Distortion performance and the anti-ant water-proof cable with nylon sheath wire that water resistance separating performance is strong for a long time.
For achieving the above object, this utility model is by the following technical solutions:
A kind of anti-ant water-proof cable with nylon sheath wire, including cable core, cable core includes conductor and is arranged on conductor periphery
On insulating barrier, the periphery of insulating barrier is provided with waterproof layer, and the periphery of waterproof layer is provided with resin sheath, resin sheath
Being provided with sliding layer on periphery, sliding layer includes the first strap-like member and the second strap-like member that structure is identical, and the first strap-like member is wrapped
In the periphery of resin sheath, the second strap-like member, around wrapping in the periphery of the first strap-like member, the periphery of sliding layer is provided with anti-ant layer,
It is provided with fireprotection layer on the periphery of anti-ant layer, the periphery of fireprotection layer is provided with nylon sheath wire, be provided with anti-twist in nylon sheath wire
Layer, anti-twist layer uses aramid fiber yarn to be woven into netted composition, and the periphery of nylon sheath wire is provided with oversheath.
Wherein, described insulating barrier is cross-linked polyolefin insulating barrier.
Wherein, described first strap-like member is formed by stacking successively by the spiral layers of multiple same shapes, next spiral layers from
The position of a upper spiral layers width half starts overlapping；Second strap-like member is coated on the first band along the helix of the first strap-like member
The periphery of shape part.
Wherein, described first strap-like member and the second strap-like member are webbing, the first strap-like member and the thickness of the second strap-like member
For 0.2mm-0.5mm.
Wherein, the thickness of described anti-ant layer is 1.0mm-1.5mm.
Wherein, described fireprotection layer is polyimide layer, polyamide-imide layer and poly-four set gradually from inside to outside
The three-decker of fluorothene layer.
This utility model has the advantages that
1) use cross-linked polyolefin as insulating barrier, overcome safety and environmental issue that PVC electric wire produces, combustion
Being fuming during burning few, environmentally safe, temperature resistant grade is high.
2) when cable bend, anti-ant layer can occur fold, thus clamps resin sheath, abrades resin sheath, at resin
Between sheath and anti-ant layer, sliding layer is set, first, it is therefore prevented that resin sheath is clamped because anti-ant layer is wrinkling, is effectively protected tree
Fat sheath, thus waterproof layer will not deform because of the deformation of resin sheath, effectively maintain the long-term water resistance of waterproof layer every
Performance.
Second, original cable increases the thickness of anti-ant layer, after setting up sliding layer to make anti-ant layer not produce fold
The necessary never again thickness increasing anti-ant layer, reduces the diameter of cable, makes cable have the operating characteristics of excellence, owing to setting
Put the somewhat expensive of anti-ant layer, anti-ant layer is done thin as far as possible, it is possible to restrained effectively the increase of production cost.
3rd, increase sliding layer, it is possible to play the effect of buffering so that cable original cushion necessity never again sets
Put, further reduce production cost.
3) being provided with nylon sheath wire on fireprotection layer periphery, be provided with anti-twist layer in nylon sheath wire, anti-twist layer uses aramid fiber
Silk is woven into netted composition, makes this cable have stronger stretch-proof performance and torsional resistance.
Accompanying drawing explanation
Fig. 1 is radial cross-section of the present utility model；
Fig. 2 is the structural representation of sliding layer；
Fig. 3 is the first strap-like member and second strap-like member schematic diagram on the periphery wrapping in resin sheath.
Description of reference numerals:
1-conductor, 2-insulating barrier, 3-waterproof layer, 4-resin sheath, 5-sliding layer, 51-the first strap-like member, 52-second carry
Shape part, 6-anti-ant layer, 7-fireprotection layer, 8-nylon sheath wire, the anti-twist layer of 81-, 9-oversheath.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in further details:
As it is shown in figure 1, a kind of anti-ant water-proof cable with nylon sheath wire 8, including cable core, cable core includes conductor 1 and sets
Put the insulating barrier 2 on conductor 1 periphery；Insulating barrier 2 is cross-linked polyolefin insulating barrier 2；Use cross-linked polyolefin as insulating barrier
2, overcome safety and environmental issue that PVC electric wire produces, be fuming during burning few, environmentally safe, temperature resistant grade
High.
Being provided with waterproof layer 3 on the periphery of insulating barrier 2, waterproof layer 3 can be made up of the multilayer tape of resin and metal, many
Layer adhesive tape is the laminated tape arranging metal on the surface of resin substrates, specifically, along cable length on the periphery of packed layer
Direction spiral winding multilayer tape, the lap bonding of multilayer tape or fusion.
Being provided with the resin sheath 4 of protection cable on the periphery of waterproof layer 3, resin sheath 4 is polrvinyl chloride and polyethylene.
Sliding layer 5 it is provided with on the periphery of resin sheath 4；
Being provided with anti-ant layer 6 on the periphery of sliding layer 5, the thickness of anti-ant layer 6 is 1.0mm-1.5mm, it is possible to effectively save
Saving production cost, in order to prevent Formica fusca insect pest, anti-ant layer 6 is formed by high hardness resin.
Being provided with fireprotection layer 7 on the periphery of anti-ant layer 6, described fireprotection layer 7 is the polyimides set gradually from inside to outside
Layer, polyamide-imide layer and the three-decker of polytetrafluoroethylene floor, improve the mechanical strength of cable and high temperature resistant, resistance to
The performance of corrosion.
Being provided with nylon sheath wire 8 on fireprotection layer 7 periphery, be provided with anti-twist layer 81 in nylon sheath wire 8, anti-twist layer 81 uses
Aramid fiber yarn is woven into netted composition, makes this cable have stronger stretch-proof performance and torsional resistance.
The periphery of nylon sheath wire 8 is provided with the oversheath 9 for protecting nylon sheath wire 8.
Below sliding layer 5 is described in detail:
As shown in Figures 2 and 3, sliding layer 5 includes multiple strap-like member, and multiple strap-like members are successively around wrapping in resin sheath 4
On periphery；Concrete, sliding layer 5 includes the first strap-like member 51 and the second strap-like member 52 that structure is identical, the first strap-like member 51 around
Wrapping in the periphery of resin sheath 4, the end on the width of the first strap-like member 51 is wound around each other.Concrete, the first banding
Part 51 is formed by stacking successively by the spiral layers of multiple same shapes, and next spiral layers is from the position of a upper spiral layers width half
Put and start overlapping, so gapless can be wound around resin sheath 4.
Second strap-like member 52 is around the periphery wrapping in the first strap-like member 51, it is preferable that the second strap-like member 52 can be along the first banding
The helix of part 51 is coated on the periphery of the first strap-like member 51.
First strap-like member 51 and the second strap-like member 52 can be with equidirectional wrapped, it is also possible to rightabout is wrapped；First banding
Part 51 and the second strap-like member 52 are will not mutually to bond and webbing that frictional force is little, such as, polyester, nylon, cotton, preferably fibre
Dimension.The thickness of the first strap-like member 51 and the second strap-like member 52 is 0.2mm-0.5mm；If crossing thin, then intensity is low, if blocked up,
The diameter of cable can be increased.
When cable bend, anti-ant layer 6 can occur fold, thus clamps resin sheath 4, abrades resin sheath 4, at resin
Sliding layer 5 is set between sheath 4 and anti-ant layer 6, first, it is therefore prevented that resin sheath 4 is clamped because anti-ant layer 6 is wrinkling, effectively protects
Protect resin sheath 4, thus waterproof layer 3 will not deform because of the deformation of resin sheath 4, effectively maintains waterproof layer 3
Long-term water resistance separating performance.
Second, original cable increases the thickness of anti-ant layer 6 to make anti-ant layer 6 not produce fold, sets up sliding layer 5
After the necessary never again thickness increasing anti-ant layer 6, reduce the diameter of cable, make cable have the operating characteristics of excellence, by
In arranging the somewhat expensive of anti-ant layer 6, anti-ant layer 6 is done thin as far as possible, it is possible to restrained effectively the increase of production cost.
3rd, increase sliding layer 5, it is possible to play the effect of buffering so that cable is no longer necessary to arrange cushion, more enter one
Reduce production cost to step.
The foregoing is only detailed description of the invention of the present utility model, not thereby limit patent model of the present utility model
Enclose, every equivalent structure transformation utilizing this utility model description and accompanying drawing content to be made, or be directly or indirectly used in it
The technical field that he is correlated with, is the most in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. an anti-ant water-proof cable with nylon sheath wire, it is characterised in that: include that cable core, cable core include conductor (1) and set
Putting the insulating barrier (2) on conductor (1) periphery, the periphery of insulating barrier (2) is provided with waterproof layer (3), the periphery of waterproof layer (3)
On be provided with resin sheath (4), the periphery of resin sheath (4) is provided with sliding layer (5), sliding layer (5) includes that structure is identical
The first strap-like member (51) and the second strap-like member (52), the first strap-like member (51) around wrapping in the periphery of resin sheath (4), the second band
Shape part (52), around wrapping in the periphery of the first strap-like member (51), the periphery of sliding layer (5) is provided with anti-ant layer (6), anti-ant layer (6)
Periphery on be provided with fireprotection layer (7), the periphery of fireprotection layer (7) is provided with nylon sheath wire (8), nylon sheath wire is provided with in (8)
Anti-twist layer (81), anti-twist layer (81) uses aramid fiber yarn to be woven into netted composition, and the periphery of nylon sheath wire (8) is provided with outer protecting
Set (9).
The anti-ant water-proof cable with nylon sheath wire the most according to claim 1, it is characterised in that: described insulating barrier (2)
For cross-linked polyolefin insulating barrier (2).
The anti-ant water-proof cable with nylon sheath wire the most according to claim 2, it is characterised in that: described first strap-like member
(51) being formed by stacking successively by the spiral layers of multiple same shapes, next spiral layers is from the position of a upper spiral layers width half
Put and start overlapping；Second strap-like member (52) is coated on the periphery of the first strap-like member (51) along the helix of the first strap-like member (51).
The anti-ant water-proof cable with nylon sheath wire the most according to claim 3, it is characterised in that: described first strap-like member
(51) and the second strap-like member (52) is webbing, and the thickness of the first strap-like member (51) and the second strap-like member (52) is 0.2mm-
0.5mm。
5., according to the anti-ant water-proof cable with nylon sheath wire described in any claim in Claims 1-4, its feature exists
In: the thickness of described anti-ant layer (6) is 1.0mm-1.5mm.
The anti-ant water-proof cable with nylon sheath wire the most according to claim 5, it is characterised in that: described fireprotection layer (7)
For the polyimide layer set gradually from inside to outside, polyamide-imide layer and the three-decker of polytetrafluoroethylene floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620607227.7U CN205810434U (en) | 2016-06-20 | 2016-06-20 | A kind of anti-ant water-proof cable with nylon sheath wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620607227.7U CN205810434U (en) | 2016-06-20 | 2016-06-20 | A kind of anti-ant water-proof cable with nylon sheath wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205810434U true CN205810434U (en) | 2016-12-14 |
Family
ID=57505653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620607227.7U Active CN205810434U (en) | 2016-06-20 | 2016-06-20 | A kind of anti-ant water-proof cable with nylon sheath wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205810434U (en) |
-
2016
- 2016-06-20 CN CN201620607227.7U patent/CN205810434U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |