CN206163180U - Low smoke and zero halogen is mining, and flexible cable is overlapped to shielding rubber - Google Patents
Low smoke and zero halogen is mining, and flexible cable is overlapped to shielding rubber Download PDFInfo
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- CN206163180U CN206163180U CN201621219646.XU CN201621219646U CN206163180U CN 206163180 U CN206163180 U CN 206163180U CN 201621219646 U CN201621219646 U CN 201621219646U CN 206163180 U CN206163180 U CN 206163180U
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Abstract
The utility model relates to a low smoke and zero halogen is mining, and flexible cable is overlapped to shielding rubber, including three power core and a ground sinle silk, characterized by: power core includes the power core conductor, and around wrapping one deck strenghthened type non -woven fabrics, the strenghthened type non -woven fabrics is crowded package one deck insulating layer outward, around the first two -sided semiconduction strap of package outside the insulating layer outward for the power core conductor, the ground sinle silk includes ground wire core conductor, crowded package semi -conductive layer outside ground wire core conductor, three power core strand into the cable core with the ground sinle silk, and the transposition clearance of cable core adopts the EVA filling layer to pack, around the two -sided semiconduction strap of package second outside the cable core, around the steamed area of the high fire -retardant nothing of package outside the two -sided semiconduction strap of second, do not have steamed restrictive coating at the crowded package of the steamed outband of the fire -retardant nothing of height. The utility model discloses fire behaviour is good, low cigarette, does not have steamedly, shield effectually, and bending property is good, can solve a large amount of cigarettes that the cable produced in the naked light and the problem of toxic gas of having now.
Description
Technical field
The utility model is related to a kind of low smoke and zero halogen mine-shield rubber sleeve flexible cable, belongs to field of cable technology.
Background technology
China is the country of the few oil of coal more than, and explored coal reserves accounts for the 33.8% of world's coal reserves, can the amount of adopting
Second is occupied, yield occupies No. 1 in the world.Due to China's energy, raw material it is nervous, current China various places Mining Enterprises, especially
It is coal mining enterprise's generally existing overyielding, this makes mining industry equipment generally existing overload operation state, this is to safety in production
Requirement proposes huge challenge.China's coal-mine natural calamity is heavier, and gas, water, fire are the major casualties of China's coal-mine.Due to
Coal production environment and inclement condition, are pressed five big harm to be threatened by water, fire, gas, coal dust, ore deposit, add many electricity in down-hole
Gas equipment is often in mobile status, installs with maintenance condition also far away from ground, and its failure is significantly larger than ground and sets with accident rate
It is standby.In coal mining accident, nearly more than 50% is account for by what electrical equipment caused, a series of this mining electric product again all must be by
Safe and reliable mine cable come ensure operation.
China's coal-mine cable experienced by non-flame resistant to fire-retardant innovation in the practice process in past more than 20 years,
Especially in MT386-1995《The test method and decision rule of coal mine flame-retardant cable-flame retardant》Since issuing and implementation so that
The fire resistance of coal mine cable has obtained effective control and raising, and current coal mine flame-retardant cable is generally using chloride
Polymer is used as sheath material, such as haloflex（CPE）And neoprene（CR）.
, once burning, the amount of smoke that its burning is discharged is very big, with IEC61034 or GB/ for chloride sheath material
The light transmittance that T17651-1998 is measured is typically below 10%, and its HCl gas content for discharging is very big, uses
The HCl contents that IEC60754-1 or GB/T17650.1-1998 measure are more than 100mg/g, even up to 200～300mg/g.
So dense smog adds stimulation and septicemia of the poisonous gas to the respiratory system of people, in the narrow environment in down-hole,
Disaster-stricken personnel cannot escape the inferno at all.Record according to external fire-fighting white paper, this injures and deaths in " secondary disaster "
Personnel account for the 70%～80% of the whole fire number of casualties.In the number of casualties of China's coal-mine fire incident, " secondary calamity is suffered from
The number ratio of evil " is also considerable.
Simultaneously in configuration aspects, this kind of cable is typically to be usually nonwoven layer outside cable core, without any fire resistance, in fire
In calamity, it is easy to burn built-in electrical insulation core, insulating materials is usually the material of second third, can aggravate burning, produces more flue gases,
It is unfavorable for rescuing.
The content of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of low smoke and zero halogen mine-shield rubber
Sleeve flexible cable, fire resistance is good, and low cigarette, Halogen, shield effectiveness is good, good bending property, can solve the problem that existing cable in naked light
The a large amount of cigarettes for producing and the problem of toxic gas.
According to the technical scheme that the utility model is provided, the low smoke and zero halogen mine-shield rubber sleeve flexible cable, including three
Power wire core and a wire core, is characterized in that：The power wire core includes power wire core conductor, and power wire core conductor is outer wrapped
One layer of reinforced non-woven fabrics, extrude a layer insulating outside reinforced non-woven fabrics, in the outer wrapped first two-sided semiconductive cloth of insulating barrier
Band；The wire core includes ground wire core conductor, and outside ground wire core conductor semi-conductive layer is extruded；Three power wire cores and ground wire
Core is twisted into cable core, and the stranded gap of cable core is filled using EVA packed layers, in the outer wrapped second two-sided semi-conductive cloth tape of cable core,
In the outer wrapped high-flame-resistance halogen-free strap of the second two-sided semi-conductive cloth tape, the restrictive coating of Halogen is extruded outside high-flame-resistance halogen-free strap.
Further, the restrictive coating is made using EVA elastomeric materials, and the EVA elastomeric materials adopt tree based on EVA
Fat, ATH or MH are main flame retardant, and organosilicon is retardant synergist.
Further, the overlap of the described second two-sided semi-conductive cloth tape and high-flame-resistance halogen-free strap puts up rate not less than 15%.
Further, the power wire core conductor is closed for the copper wire bundle of 0.49mm by string diameter and formed, the power wire core that beam is closed
Conductor diameter is 18.4mm.
Further, the external diameter after the outer wrapping bag reinforced non-woven fabrics of the power wire core conductor is 18.7mm.
Further, the external diameter after the outer extruded insulation layer of the power wire core conductor and wrapped first two-sided semi-conductive cloth tape
For 25.9 ± 0.2mm.
Further, the ground wire core conductor adopts string diameter and forms for the copper wire bundle conjunction of 0.39mm, the power wire core that beam is closed
Conductor diameter is 9.3mm.
Further, the external diameter of the wire core is 19.5 ± 0.6mm.
Further, the external diameter of the cable core is 57.8 ± 0.7mm.
Low smoke and zero halogen mine-shield rubber sleeve flexible cable described in the utility model employ the new construction of cable, i.e. cable core it is outer around
Be surrounded by semi-conductive cloth tape and high-flame-resistance halogen-free strap, can prevent naked light enter cable core inside, cable employ EVA rubber sheaths and
EVA is filled, and the overall low-smoke non-halogen flame-retardant performance of cable is improved；In addition, after power wire core insulating barrier is outer and stranded
There is two-sided semi-conductive cloth tape to improve the shielding properties of cable outside cable core, while not increasing the weight of cable and reducing cable
Bending property.
Description of the drawings
Fig. 1 is the structural representation of low smoke and zero halogen mine-shield rubber sleeve flexible cable described in the utility model.
Specific embodiment
With reference to concrete accompanying drawing, the utility model is described in further detail.
As shown in Figure 1：The low smoke and zero halogen mine-shield rubber sleeve flexible cable includes power wire core conductor 1, reinforced nonwoven
Cloth 2, insulating barrier 3, the first two-sided semi-conductive cloth tape 4, ground wire core conductor 5, semi-conductive layer 6, EVA packed layers 7, second are two-sided partly leads
Electric strap 8, high-flame-resistance halogen-free strap 9, restrictive coating 10 etc..
As shown in figure 1, low smoke and zero halogen mine-shield rubber sleeve flexible cable described in the utility model, including three power wire cores and
A piece wire core, the color of three power wire cores is red, white, Lan Sanse；The power wire core includes power wire core conductor 1, moves
Line of force core conductor 1 adopts 5 class copper conductors, and string diameter is 0.49mm, and totally 925 copper wire bundles are closed and formed, the power wire core conductor 1 that beam is closed
External diameter is 18.4mm, and the outer wrapped one layer of reinforced non-woven fabrics 2 of the power wire core conductor 1 that beam is closed, band is wrapped smooth, without bottom pour ladle,
Wrapped rear external diameter is 18.7mm；A layer insulating 3 is extruded outside reinforced non-woven fabrics 2, two-sided is partly led in insulating barrier 3 outer wrapped first
Electric strap 4；The wire core includes ground wire core conductor 5, and ground wire core conductor 5 adopts 5 class copper conductors, and string diameter is 0.39mm, totally 396
Root copper wire bundle is closed and formed, and the external diameter of ground wire core conductor 5 that beam is closed is 9.3mm, and semi-conductive layer 6 is extruded outside ground wire core conductor 5；It is described
Three power wire cores and wire core are stranded side by side, and lay configuration is that the stranded gap of 0+4, power wire core and wire core adopts EVA
Packed layer 7 is filled, in the outer wrapped one layer of second two-sided semi-conductive cloth tape 8 of the lay configuration of power wire core and wire core, second
The outer wrapped one layer of high-flame-resistance halogen-free strap 9 of two-sided semi-conductive cloth tape 8, extrudes one layer of restrictive coating 10 outside high-flame-resistance halogen-free strap 9.
The restrictive coating 10 is made using EVA elastomeric materials, and the EVA elastomeric materials adopt EVA（Ethylene-vinyl acetate copolymerization
Thing）Based on resin, ATH（Aluminium hydroxide）Or MH（Magnesium hydroxide）For main flame retardant, organosilicon is retardant synergist, not halogen
Element, and with fire resistance, so as to realize the performance of the low smoke and zero halogen in naked light.
The overlap of the second two-sided semi-conductive cloth tape 8 and high-flame-resistance halogen-free strap 9 puts up rate not less than 15%, and two-sided half
Conductive fabric band has function of shielding, while not affecting the bending property of cable, high-flame-resistance halogen-free strap has very strong fire resistance,
In combustion, can insulated jacket layer and cable core, prevent naked light from entering inside cable core, reduce the burning of cable core interior insulation core
Produce the possibility of flue gas.
Two-sided semi-conductive cloth tape is surrounded with outside the power wire core and cable core, the shielding of cable can be so improved
Performance, at the same compared with by the way of metallic shield with softness it is good the characteristics of, while also reducing the weight of cable.
Production process of the present utility model is as follows：
First, the making of conductor：
（1）Power wire core conductor 1 adopts 5 class copper conductors, and string diameter is 0.49mm, and totally 925 copper wire bundles are closed and formed, what beam was closed
The external diameter of power wire core conductor 1 is 18.4mm, and in the outer wrapped one layer of reinforced non-woven fabrics of power wire core conductor 1, band is wrapped smooth,
Without bottom pour ladle, wrapped rear external diameter is 18.7mm；
（2）Ground wire core conductor 5 adopts 5 class copper conductors, and string diameter is 0.39mm, and totally 396 copper wire bundles are closed and formed, and it is dynamic that beam is closed
The external diameter of line of force core conductor 5 is 9.3mm.
2nd, the making of insulating barrier：
（1）The insulating barrier 3 of power wire core adopts the ethylene propylene rubber insulated mixture of low dielectric loss, and color is red, white, indigo plant；Using
The technique of continuous vulcanization, speed of production is 8m/min, sulfuration air pressure be 1MPa, insulation thickness be 2.7 ± 0.1mm, the degree of eccentricity≤
20%, overlap outside the insulated wire cores after sulfuration around the first two-sided semi-conductive cloth tape 4 of double-baging, wrapped width of putting up is not less than 5mm,
Power wire core external diameter after wrapped is 25.9 ± 0.2mm；
（2）The semi-conductive layer 6 of wire core adopts XD-1 types semi-conductive adhesive using the technique of continuous vulcanization, and speed of production is
10m/min, sulfuration air pressure is 1Mpa, and thickness is 5.1 ± 0.3mm, degree of eccentricity no requirement (NR), the external diameter of wire core is 19.5 ±
0.6mm。
3rd, the making of cable core：
（1）Cabling structure is 0+4, during stranding three power wire cores by red, white, blue order and wire core together stranding, and
Ensure each core even tension, center and surrounding are filled using EVA packed layers 7, it is ensured that cable core rounding；
（2）It is 0.3mm that wrapped a layer thickness is overlapped outside cable core, and width is the second two-sided semi-conductive cloth tape 8 and of 70mm
Thickness degree is 0.3mm, and width is the high-flame-resistance halogen-free strap 9 of 70mm, overlaps rate of putting up not less than 15%, and lapping direction is left-hand, around
Bag is smooth, and without bottom pour ladle, the control of stranding actual pitch is not more than 14 times of laying up diameter, i.e.,：Cable core pitch be 711-790mm, cable
Core external diameter is 57.8 ± 0.7mm.
4th, the making of sheath：
Restrictive coating 10 adopts yellow EVA yellow jacket rubber material, is closely extruded on cable core, and jacket surface is smooth,
Rounding, color and luster is essentially the same, and section is without the visible pore of eyesight and impurity.
Claims (9)
1. a kind of low smoke and zero halogen mine-shield rubber sleeve flexible cable, including three power wire cores and a wire core, is characterized in that：Institute
Power wire core is stated including power wire core conductor（1）, power wire core conductor（1）Outer wrapped one layer of reinforced non-woven fabrics（2）, it is reinforced
Non-woven fabrics（2）A layer insulating is extruded outward（3）, in insulating barrier（3）Outer wrapped first two-sided semi-conductive cloth tape（4）；The ground wire
Core includes ground wire core conductor（5）, in ground wire core conductor（5）Semi-conductive layer is extruded outward（6）；Three power wire cores and wire core
Cable core is twisted into, the stranded gap of cable core adopts EVA packed layers（7）Filling, in the outer wrapped second two-sided semi-conductive cloth tape of cable core
（8）, in the second two-sided semi-conductive cloth tape（8）Outer wrapped high-flame-resistance halogen-free strap（9）, in high-flame-resistance halogen-free strap（9）Halogen is extruded outward
Restrictive coating（10）.
2. low smoke and zero halogen mine-shield rubber sleeve flexible cable as claimed in claim 1, is characterized in that：The restrictive coating（10）Using
EVA elastomeric materials are made, and the EVA elastomeric materials adopt resin based on EVA, and ATH or MH is main flame retardant, and organosilicon is fire-retardant
Synergist.
3. low smoke and zero halogen mine-shield rubber sleeve flexible cable as claimed in claim 1, is characterized in that：The second two-sided semiconductive
Strap（8）And high-flame-resistance halogen-free strap（9）Overlap put up rate be not less than 15%.
4. low smoke and zero halogen mine-shield rubber sleeve flexible cable as claimed in claim 1, is characterized in that：The power wire core conductor
（1）Closed for the copper wire bundle of 0.49mm by string diameter and formed, the power wire core conductor that beam is closed（1）External diameter is 18.4mm.
5. low smoke and zero halogen mine-shield rubber sleeve flexible cable as claimed in claim 1, is characterized in that：The power wire core conductor
（1）Outer wrapping bag reinforced non-woven fabrics（2）External diameter afterwards is 18.7mm.
6. low smoke and zero halogen mine-shield rubber sleeve flexible cable as claimed in claim 1, is characterized in that：The power wire core conductor
（1）Outer extruded insulation layer（3）With the wrapped first two-sided semi-conductive cloth tape（4）External diameter afterwards is 25.9 ± 0.2mm.
7. low smoke and zero halogen mine-shield rubber sleeve flexible cable as claimed in claim 1, is characterized in that：The ground wire core conductor（5）
Adopt string diameter and form for the copper wire bundle conjunction of 0.39mm, the power wire core conductor that beam is closed（5）External diameter is 9.3mm.
8. low smoke and zero halogen mine-shield rubber sleeve flexible cable as claimed in claim 1, is characterized in that：The external diameter of the wire core is
19.5±0.6mm。
9. low smoke and zero halogen mine-shield rubber sleeve flexible cable as claimed in claim 1, is characterized in that：The external diameter of the cable core is
57.8±0.7mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621219646.XU CN206163180U (en) | 2016-11-14 | 2016-11-14 | Low smoke and zero halogen is mining, and flexible cable is overlapped to shielding rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621219646.XU CN206163180U (en) | 2016-11-14 | 2016-11-14 | Low smoke and zero halogen is mining, and flexible cable is overlapped to shielding rubber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206163180U true CN206163180U (en) | 2017-05-10 |
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ID=58658491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621219646.XU Active CN206163180U (en) | 2016-11-14 | 2016-11-14 | Low smoke and zero halogen is mining, and flexible cable is overlapped to shielding rubber |
Country Status (1)
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| CN (1) | CN206163180U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022095093A1 (en) * | 2020-11-05 | 2022-05-12 | 江苏亨通电力电缆有限公司 | 66 kv torsion-resistant cable for wind turbine power transmission, and preparation method therefor and use thereof |
| WO2023040054A1 (en) * | 2021-09-16 | 2023-03-23 | 江苏上上电缆集团有限公司 | Method for manufacturing ethylene propylene-insulated low-smoke halogen-free torsion-resistant medium-pressure wind power cable, and cable |
-
2016
- 2016-11-14 CN CN201621219646.XU patent/CN206163180U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022095093A1 (en) * | 2020-11-05 | 2022-05-12 | 江苏亨通电力电缆有限公司 | 66 kv torsion-resistant cable for wind turbine power transmission, and preparation method therefor and use thereof |
| WO2023040054A1 (en) * | 2021-09-16 | 2023-03-23 | 江苏上上电缆集团有限公司 | Method for manufacturing ethylene propylene-insulated low-smoke halogen-free torsion-resistant medium-pressure wind power cable, and cable |
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