CN209000576U - A kind of cable of provided underground - Google Patents
A kind of cable of provided underground Download PDFInfo
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- CN209000576U CN209000576U CN201821423903.0U CN201821423903U CN209000576U CN 209000576 U CN209000576 U CN 209000576U CN 201821423903 U CN201821423903 U CN 201821423903U CN 209000576 U CN209000576 U CN 209000576U
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- provided underground
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Abstract
Many cables are all layed in underground now, due to the complex environment of provided underground, it is necessary to the good waterproof of cable, anticorrosive property, simultaneously because the particular surroundings of provided underground needs cable to have good pull resistance and certain wearability.The utility model discloses a kind of cables of provided underground, including at least two conductor elements, filled layer, watertight insulation and composite protection layer, the conductor element includes the insulating layer for being twisted bundles of core by multiply single line He being coated on outside core, the filled layer, which is coated on the outside of core, keeps the cross-section of cable rounded, the watertight insulation is formed outside filled layer by waterproofing membrane, the composite protection layer is coated on outside watertight insulation, the composite protection layer includes inner sheath, anti-corrosion enhancement layer and oversheath, the anti-corrosion enhancement layer is coated on outside inner sheath, the oversheath is extruded in outside anti-corrosion enhancement layer.
Description
Technical field
The utility model relates to technical field of electric wires and cables, in particular to a kind of cable of provided underground.
Background technique
Aramid fiber full name is " poly- phenyl-diformyl phenylenediamine ", and English is Aramid fiber, is a kind of novel high-tech synthesis
Fiber has the excellent performances such as superhigh intensity, high-modulus and high temperature resistant, acid-fast alkali-proof, light-weight, and intensity is the 5~6 of steel wire
Times, modulus is 2~3 times of steel wire or glass fibre, and toughness is 2 times of steel wire, and weight is only 1/5 of steel wire or so, 560
At a temperature of degree, does not decompose, do not melt.It has good insulating properties and anti-aging property, has very long life cycle.Virtue
The discovery of synthetic fibre, it is considered to be one very important historical progress of material circle.
The fast development of society, the staple product that cable is transmitted as an electric energy have also obtained rapidly and effectively sending out
Exhibition, current cable is mostly relatively simple for structure, is impacted, in the easy dampness of some special occasions, burn by crushing, uses
Service life is not grown, cable it is poor for applicability, currently, in the prior art, most of protection of cable is using clad steel band or steel
Silk composition, typically one layer, in certain environments in use, the protection to cable core is inadequate, easy damaged cable core influences electricity
The normal use of cable.Many cables are all layed in underground now, since (some parts are layed in ground for the complex environment of provided underground
In lower drainage pipe), it is necessary to the good waterproof of cable, anticorrosive property, simultaneously because the particular surroundings of provided underground needs electricity
Cable has good pull resistance and certain wearability.
Utility model content
To solve technical problem present in background technique, the utility model proposes a kind of cables of provided underground.
To achieve the above object, using following technical scheme: a kind of cable of provided underground, including at least two conductor lists
Member, filled layer, watertight insulation and composite protection layer, the conductor element include being twisted bundles of core and packet by multiply single line
The insulating layer outside core is overlayed on, the filled layer, which is coated on the outside of core, keeps the cross-section of cable rounded, the watertight insulation
It is formed outside filled layer by waterproofing membrane, the composite protection layer is coated on outside watertight insulation, the compound guarantor
Sheath includes inner sheath, anti-corrosion enhancement layer and oversheath, and the anti-corrosion enhancement layer is coated on outside inner sheath, and the oversheath squeezes
Packet is outside anti-corrosion enhancement layer.
As the utility model, further scheme, the filled layer are made of ceramic polyolefin material.
Take above-mentioned further scheme the utility model has the advantages that ceramic polyene has certain heat-resisting, heat-insulated and fire-retardant effect
Fruit can be well protected cable core.
As the utility model, further scheme, the filled layer are axially disposed with tensile-resistant reinforcing rib, and the tension adds
Strengthening tendons are made of aramid fiber material.
Take above-mentioned further scheme the utility model has the advantages that aramid fiber light weight, and has good tensile property,
Improve the axial mechanical strength of cable.
As the utility model, further scheme, the insulating layer are made of vulcanization the third material of second.
Take above-mentioned further scheme the utility model has the advantages that elasticity with higher, heat resistance, tensile strength and organic
Indissolubility etc. in solvent, the complex environment requirement that Complex subsurface is laid with, it is safe to guarantee that cable uses.
As the utility model, further scheme, the watertight insulation are formed using polyethylene film is wrapped, thick
Degree is 0.3-0.5mm.
Take above-mentioned further scheme the utility model has the advantages that reinforce cable waterproof function.
As the utility model, further scheme, the inner sheath and oversheath are all made of crosslinked polyethylene material and are made.
Take above-mentioned further scheme the utility model has the advantages that crosslinked polyethylene has environmental stress cracking resistance, resistance toization
The comprehensive performances such as drug corrosive nature, creep resistance and electrical property are learned, can be protected well in the complex environment of provided underground
Cable uses unobstructed.
As the utility model, further scheme, the anti-corrosion enhancement layer are made of aramid fiber material, the anti-corrosion enhancement layer
With a thickness of 1-1.5mm.
Take above-mentioned further scheme the utility model has the advantages that aramid fiber light weight, and has good corrosion-resistant, energy
Cable is protected to use well in the complex environment of provided underground unobstructed.
As the utility model further scheme, adhesive is equipped between the watertight insulation and inner sheath.
Take above-mentioned further scheme the utility model has the advantages that further strengthening the waterproof ability of cable.
It is that the utility model obtains the utility model has the advantages that one side duplex sheath ensure that cable wear resistance energy, duplex sheath it
Between add braiding armor, greatly improve the mechanical strength of duplex sheath, on the other hand, interior oversheath is extruded in anti-dust and reinforces
On layer, guarantee the bond strength of interior oversheath and armor, in another aspect, duplex sheath and watertight insulation common guarantee cable
Waterproof effect.The selection of material all has the performance of that chemical attack simultaneously, suitable for the complex environment of provided underground, due to choosing
The self weight of the material cable is light compared with other materials, and bendability is stronger.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
In figure: 1- conductor element, 11- core, 12- insulating layer, 2- filled layer, 21- reinforcing rib, 3- watertight insulation, 4-
Composite protection layer, 41- inner sheath, 42- anti-corrosion enhancement layer, 43- oversheath.
Specific embodiment
With reference to the accompanying drawing, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that
The described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
Refering to fig. 1, a kind of cable of provided underground, including at least two conductor elements 1, filled layer 2, watertight insulation 3
With composite protection layer 4, the conductor element 1 includes being twisted bundles of core 11 by multiply single line and being coated on outside core 11
Insulating layer 12, the filled layer 2, which is coated on the outside of core 11, keeps the cross-section of cable rounded, and the watertight insulation 3 is thin by waterproof
Film is formed outside filled layer 2, and the composite protection layer (4) is coated on outside watertight insulation 3, the composite protection layer
4 include inner sheath 41, anti-corrosion enhancement layer 42 and oversheath 43, and the anti-corrosion enhancement layer 42 is coated on outside inner sheath 41, described
Oversheath 43 is extruded in outside anti-corrosion enhancement layer 42.
The filled layer 2 is made of ceramic polyolefin material.
The filled layer 2 is axial to be disposed with tensile-resistant reinforcing rib 21, and the tensile-resistant reinforcing rib 21 is made of aramid fiber material.
The insulating layer 12 is made of vulcanization the third material of second.
The watertight insulation 3 is formed using polyethylene film is wrapped, with a thickness of 0.3-0.5mm.
The inner sheath 41 and oversheath 43 are all made of crosslinked polyethylene material and are made.
The anti-corrosion enhancement layer 42 is made of aramid fiber material, and the anti-corrosion enhancement layer 42 is with a thickness of 1-1.5mm.
Adhesive is equipped between the watertight insulation 4 and inner sheath.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (8)
1. a kind of cable of provided underground, including at least two conductor elements (1), filled layer (2), watertight insulation (3) and multiple
It closes protective layer (4), it is characterised in that: the conductor element (1) includes that bundles of core (11) and cladding are twisted by multiply single line
In the external insulating layer (12) of core (11), the filled layer (2), which is coated on the outside of core (11), keeps the cross-section of cable rounded, institute
It states watertight insulation (3) and is formed outside filled layer (2) by waterproofing membrane, the composite protection layer (4) is coated on waterproof
Separation layer (3) is external, and the composite protection layer (4) includes inner sheath (41), anti-corrosion enhancement layer (42) and oversheath (43), described
Anti-corrosion enhancement layer (42) is coated on inner sheath (41) outside, and it is external that the oversheath (43) is extruded in anti-corrosion enhancement layer (42).
2. the cable of provided underground according to claim 1, it is characterised in that: the filled layer (2) is by ceramic polyene
Hydrocarbon material is made.
3. the cable of provided underground according to claim 1, it is characterised in that: the filled layer (2) is axially disposed with anti-
It draws reinforcing rib (21), the tensile-resistant reinforcing rib (21) is made of aramid fiber material.
4. the cable of provided underground according to claim 1, it is characterised in that: the insulating layer (12) is using vulcanization second third
Material is made.
5. the cable of provided underground according to claim 1, it is characterised in that: the watertight insulation (3) uses poly- second
Alkene Transposed wind forms, with a thickness of 0.3-0.5mm.
6. the cable of provided underground according to claim 1, it is characterised in that: the inner sheath (41) and oversheath (43)
Crosslinked polyethylene material is all made of to be made.
7. the cable of provided underground according to claim 1, it is characterised in that: the anti-corrosion enhancement layer (42) is by aramid fiber material
It is made, the anti-corrosion enhancement layer (42) is with a thickness of 1-1.5mm.
8. the cable of provided underground according to claim 1, it is characterised in that: the watertight insulation (3) and inner sheath
Between be equipped with adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821423903.0U CN209000576U (en) | 2018-08-31 | 2018-08-31 | A kind of cable of provided underground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821423903.0U CN209000576U (en) | 2018-08-31 | 2018-08-31 | A kind of cable of provided underground |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209000576U true CN209000576U (en) | 2019-06-18 |
Family
ID=66798359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821423903.0U Active CN209000576U (en) | 2018-08-31 | 2018-08-31 | A kind of cable of provided underground |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209000576U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243687A (en) * | 2018-08-31 | 2019-01-18 | 贵州新曙光电缆有限公司 | A kind of cable for provided underground |
-
2018
- 2018-08-31 CN CN201821423903.0U patent/CN209000576U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243687A (en) * | 2018-08-31 | 2019-01-18 | 贵州新曙光电缆有限公司 | A kind of cable for provided underground |
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