CN201465597U - Insulating rubber sheathed cable - Google Patents
Insulating rubber sheathed cable Download PDFInfo
- Publication number
- CN201465597U CN201465597U CN2009200875120U CN200920087512U CN201465597U CN 201465597 U CN201465597 U CN 201465597U CN 2009200875120 U CN2009200875120 U CN 2009200875120U CN 200920087512 U CN200920087512 U CN 200920087512U CN 201465597 U CN201465597 U CN 201465597U
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- CN
- China
- Prior art keywords
- soft copper
- irradiation
- sheathed cable
- copper monofilament
- stranded
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model belongs to the technical field of wires and cables, and relates to an improvement of the existing rubber sheathed cable with the rated voltage of 300/500V, with irradiation cross-linked ethylene-propylene rubber for insulation and with the chlorinated polyethylene for irradiation of the sheath. The insulating rubber sheathed cable comprises two soft copper monofilament stranded conductors, and is characterized in that both soft copper monofilament stranded conductors are respectively coated with an irradiation cross-linked ethylene-propylene rubber sheath as an insulating layer, a polyester wrapped tape layer is stranded and wrapped outside either insulating layer, and an elastomer cable irradiation sheath layer is wrapped outside either wrapped tape layer. The utility model has the advantages of excellent performance, high heat resistance, long service life, high current carrying capacity, high safety, low production cost, low operating cost and wide scope of application.
Description
(1) technical field: the utility model belongs to technical field of electric wires and cables, especially for a kind of insulation Plastic-sheathed Cable of rated voltage 300/500V.
(2) background technology: existing rated voltage 300/500V cabtyre cable, conductor structure is: be 1.5mm in the cross section
2Scope in stranded 30 soft copper monofilament are arranged, its soft copper filament diameter is 0.25mm, the strand pitch than usually 20-23 doubly about, wrapped material is the PP band, insulation and sheath are to make base-material with natural gum, assist doping and make through traditional steam vulcanization (cure) is crosslinked.This cable conductor flexibility is not enough, is not easy to be used in mobile occasion; Temperature resistant grade low (about 65 degree); Cable machinery performance and fire resistance are low, under such environmental effects such as wind and rain, sunlight (ultraviolet ray), heat, ozone, will wear out behind the general 3-4, and useful life is short; And steam vulcanization (cure) causes the conductor oxidation easily; And need special rubber extruding machine and vulcanizing equipment; And air is dirty during mixing of rubber, and production environment is abominable, and it is healthy to influence the workman.
(3) summary of the invention: the purpose of this utility model will address the above problem exactly, provides that a kind of flexibility is good, temperature resistant grade is high, long service life, and production technology is simple, the insulation Plastic-sheathed Cable that production environment is good.
Concrete scheme of the present utility model is: a kind of insulation Plastic-sheathed Cable, have two strands of soft copper monofilament stranded conductors, it is characterized in that: per share soft copper monofilament stranded conductor coats the cross-linking radiation second third rubber sheath insulated layer outward, the outside stranding of two strand insulation layers is surrounded with the wrapped belt of polyester, and wrapped belt is coated with elastomer cable irradiation material restrictive coating.
Soft copper monofilament stranded conductor described in the utility model is 1.5mm in the cross section
2Scope in stranded 75 soft copper monofilament are arranged, its soft copper filament diameter is 0.16mm, pitch is than being 24-26.
The cross-linking radiation second third rubber sheath insulated layer thickness described in the utility model is: 0.8mm, the wrapped belt external diameter of polyester is: 6.6 ± 0.5mm, elastomer cable irradiation material restrictive coating external diameter is: 8.6 ± 0.5mm.
The utility model is 1.5mm owing to conductor structure is designed to the cross section
2Scope in stranded 75 soft copper monofilament are arranged, its soft copper filament diameter is 0.16mm, the pitch ratio is about 25 times, radical increases, filament diameter reduces, pitch is than strengthening, thereby increased the flexibility of conductor, is convenient to product to be used in mobile occasion; Insulating barrier adopts the cross-linking radiation ethylene-propylene rubber material of superior performance, restrictive coating adopts elastomer cable irradiation material, do not need special rubber extruding machine and vulcanizing equipment, and insulating barrier and restrictive coating are carried out the cross-linking radiation processing with electron accelerator, make plastic body become the network structure that links to each other layer by layer, thereby greatly improved the combination property of cable product by chain structure.
The utility model has the advantages that:
1. temperature resistant grade is brought up to 105 degree from 65 degree, and under identical service condition, the raising of its temperature resistant grade makes cable have long service life, current capacity is strong, safe, operating cost is low characteristics;
2. have better mechanical performance, tensile strength is improved;
3. have performances such as good weather, cold-resistant, oil resistant, acid and alkali-resistance, anti-ozone, have wideer use occasion and longer useful life;
4. production technology is simple, and production cost is low;
5. production environment is good, and the dirty phenomenon of the air when having avoided mixing of rubber helps protecting that environment and protection workman's is healthy;
6. the conductor problem of oxidation is fully solved.
(4) description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A zoomed-in view of Fig. 1.
Among the figure: 1-conductor, 2-insulating barrier, the wrapped belt of 3-, 4-restrictive coating.
(5) embodiment:
Referring to Fig. 1, Fig. 2, the utlity model has two strands of soft copper monofilament stranded conductors 1, particularly: per share conductor 1 is to be 1.5mm in the cross section
2Scope in stranded 75 soft copper monofilament are arranged, its soft copper filament diameter is 0.16mm, the pitch ratio is 25 (they also can be 24 or 26); Coat the cross-linking radiation second third rubber sheath insulated layer 2 outside per share soft copper monofilament stranded conductor 1, insulating barrier 2 thickness are: 0.80mm; The outside stranding of two strand insulation layers 2 is surrounded with the wrapped belt 3 of polyester, and the wrapped belt external diameter of polyester is: 6.6mm; Wrapped belt 3 is coated with elastomer cable irradiation material restrictive coating 4, and elastomer cable irradiation material restrictive coating external diameter is: 8.6mm.Promptly constitute the utility model.
By electron accelerator the utility model insulating barrier and restrictive coating are carried out the irradiation of doses respectively in manufacturing process, can make the utility model reach the performance index of expection.
The concrete processing and fabricating method of the utility model is as follows:
1. system soft copper skein silk closes conductor.The annealed copper monofilament of 75 diameter 0.16mm is stranded according to 25 times pitch multiple.
2. system irradiation is ethylene propylene rubber insulated layer.By ∮ 45 plastic extruders irradiation ethylene-propylene rubber is extruded by suitable extrusion temperature, insulation thickness is 0.8mm, and the outside diameter control that will insulate is 3.19-3.39mm.And will make insulating core and carry out cross-linking radiation with electron accelerator and handle (irradiation dose is 8Mrad), make plastic body become the network structure that links to each other layer by layer, thereby improve the combination property of cable product greatly by chain structure.
3. stranding is wrapped.To be that 12-14 lay doubly carries out stranding at cabler according to the pitch multiple through the insulated wire cores of irradiation, and wrapped one deck polyester twining package tape, outside diameter control is: 6.6 ± 0.5mm.
4. system restrictive coating.Elastomer cable irradiation material is extruded according to suitable temperature by plastic extruder, it is coated on outside the polyester twining package tape uniformly, jacket thickness is 1.0mm, and outside diameter control is: 8.6 ± 0.5mm.By electron accelerator it is carried out irradiation again, irradiation dose is 10Mrad.
Claims (3)
- One kind the insulation Plastic-sheathed Cable, have two strands of soft copper monofilament stranded conductors, it is characterized in that: per share soft copper monofilament stranded conductor is coated with the cross-linking radiation second third rubber sheath insulated layer, the outside stranding of two strand insulation layers is surrounded with the wrapped belt of polyester, and wrapped belt is coated with elastomer cable irradiation material restrictive coating.
- 2. a kind of insulation Plastic-sheathed Cable according to claim 1 is characterized in that: described soft copper monofilament stranded conductor, and stranded in the cross section is the scope of 1.5mm2 have 75 soft copper monofilament, and its soft copper filament diameter is 0.16mm, and pitch is than being 24-26.
- 3. a kind of insulation Plastic-sheathed Cable according to claim 1, it is characterized in that: the described cross-linking radiation second third rubber sheath insulated layer thickness is: 0.8mm, the wrapped belt external diameter of polyester is: 6.6 ± 0.5mm, elastomer cable irradiation material restrictive coating external diameter is: 8.6 ± 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200875120U CN201465597U (en) | 2009-07-24 | 2009-07-24 | Insulating rubber sheathed cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200875120U CN201465597U (en) | 2009-07-24 | 2009-07-24 | Insulating rubber sheathed cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201465597U true CN201465597U (en) | 2010-05-12 |
Family
ID=42392945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200875120U Expired - Fee Related CN201465597U (en) | 2009-07-24 | 2009-07-24 | Insulating rubber sheathed cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201465597U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412028A (en) * | 2011-12-16 | 2012-04-11 | 苏州市东沪电缆有限公司 | Manufacturing method of cold-resistant wear-resisting bending-resistant flat power flexible cable |
| CN104143390A (en) * | 2014-07-11 | 2014-11-12 | 安徽宏源特种电缆集团有限公司 | Deep water seal rubber sleeve cable and manufacturing process thereof |
-
2009
- 2009-07-24 CN CN2009200875120U patent/CN201465597U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412028A (en) * | 2011-12-16 | 2012-04-11 | 苏州市东沪电缆有限公司 | Manufacturing method of cold-resistant wear-resisting bending-resistant flat power flexible cable |
| CN104143390A (en) * | 2014-07-11 | 2014-11-12 | 安徽宏源特种电缆集团有限公司 | Deep water seal rubber sleeve cable and manufacturing process thereof |
| CN104143390B (en) * | 2014-07-11 | 2017-10-24 | 安徽宏源特种电缆集团有限公司 | A kind of manufacturing process of deep water sealing Plastic-sheathed Cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20120724 |