CN201111983Y - Self-supporting control cable - Google Patents
Self-supporting control cable Download PDFInfo
- Publication number
- CN201111983Y CN201111983Y CNU2007200397721U CN200720039772U CN201111983Y CN 201111983 Y CN201111983 Y CN 201111983Y CN U2007200397721 U CNU2007200397721 U CN U2007200397721U CN 200720039772 U CN200720039772 U CN 200720039772U CN 201111983 Y CN201111983 Y CN 201111983Y
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- cable
- self
- bearing type
- control cable
- strengthening core
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Abstract
A self-bearing control cable is provided, which pertains to the cable technical field. The self-bearing control cable comprises a protective jacket and an electric part consisting of a conductor, an insulating layer and a shielding layer inside the protective jacket and is characterized in that the cable is provided with a reinforced core and the reinforced core is coated inside the protective jacket and parallels with the electric part of the cable; the shielding layer is arranged on a winding layer of the electric part of the cable. The self-bearing control cable has simple and reasonable structure, easy production, low cost and good application performance and can be widely applied to large automatic control systems such as power plants, petroleum and chemical industries and unmanned substations, etc.; the self-bearing control cable is particularly applicable for long distant and separate overhead transmission and can reduces the work and labor intensity, improves working efficiency, saves materials and reduces cost.
Description
Technical field
The utility model relates to a kind of structure of self-bearing type control cable, and the structure of the cable of certain load-bearing and tensile strength is particularly arranged, and belongs to the cable technology field.
Background technology
The control cable that is called as " nerve " of automation is made huge contribution for human modernization, its good electric property, physical property, chemical stability, and therefore, this cable has obtained using widely.Control cable is used for the large automatic control system mostly, as power plant, petroleum and petrochemical industry, unmanned substation etc., in these occasions because of environment and requirements of one's work, most of control cable length is apart from setting up in the air, all adopted cable testing bridge to set up in the past, and only set up a small amount of cable on the part cable testing bridge, and cause the wasting of resources, and great in constructing amount.
The utility model content
The purpose of this utility model is exactly that a kind of control cable with good electric property, physical property, chemical stability will be provided, and also has self-supporting ability and tensile strength, is fit to long separately apart from the self-bearing type control cable of setting up in the air.
The purpose of this utility model is to realize like this, the self-bearing type control cable, comprise in sheath and the sheath and constitute the cable electrical part by conductor, insulating barrier, screen, it is characterized in that cable is provided with strengthening core, strengthening core is wrapped in the sheath and the cable electrical partial parallel, and described screen is arranged on the lapping layer of cable electrical part.
Described strengthening core is a zinc-coated wire, is arranged on the cable electrical part outside, constitutes external strengthening core self-bearing type computer cable.
Described strengthening core is a zinc-coated wire, and wrapped protective layer on the zinc-coated wire is arranged in the cable electrical part, constitutes built-in strengthening core self-bearing type computer cable.
Described conductor is 1 class, the 2 class conductors that meet the GB/T3956-1997 requirement or is to meet 5 classes, the 6 class conductors that GB/T3956-1997 requires.
Described cable electrical partly is provided with the wrapped flame retardant coating of phlogopite band, and the wrapped rate of putting up of phlogopite band is greater than 50%.
The material of described insulating barrier is to meet the PVC material of stipulating among GB9330-88 and the GB/T8815-2002 or is to meet the XLPE material of stipulating among the GB/T12706-2002.
The utility model is rational in infrastructure simple, manufactures easily, and cost is low, and serviceability is good.Conductor adopts and to meet the GB/T3956-1997 material, and cable is that rigid structure adopts 1 class or 2 class conductors, when cable such as soft junction structure with 5 classes or 6 class conductors.The flame retardant coating of fire-resisting cable adopts mica tape wrapped, and the wrapped rate of putting up is not less than 50%, and finished cable can require test through the GB/T19216-2003 fire resistance test.Insulation meets the requirement of the XLPE material of stipulating among the PVC that stipulates among GB9330-88 and the GB/T8815-2002 or the GB/T12706-2002.Copper wire braiding or the wrapped shielding of copper strips are adopted in shielding, and performance meets the requirement of GB9330-88.Strengthening core adopts zinc-coated wire, the cable that long distance is laid adopts high-carbon steel wire, diameter is thick, intensity is high, bearing capacity is big, high-carbon steel wire tensile strength 〉=1300Mpa, short distance is set up and is adopted low charcoal steel wire, diameter is little, intensity is low, bearing capacity is less demanding, flexible, mild steel wire tensile strength 〉=900Mpa, blemish such as zinc-coated wire any surface finish, no water stain, dezincify, ring shape.The protection sheath adopts polyvinyl chloride or low smoke and zero halogen material, and performance meets the regulation of GB9330-88 and relevant criterion.Cable testing bridge is not installed during this cable laying at needs, especially suitable to independent length apart from cabling in the air, reduce workload, reduce labour intensity, to increase work efficiency, economical with materials reduces cost.
Description of drawings
Fig. 1 is the self-bearing type control cable structural representation of built-in strengthening core;
Fig. 2 is the self-bearing type control cable structural representation of external strengthening core;
Fig. 3 is a soft strengthening core sectional view of the present utility model;
Fig. 4 is a hard strengthening core sectional view of the present utility model;
Fig. 5 A is the sectional view that built-in strengthening core self-bearing type control cable electric part is provided with woven shield;
Fig. 5 B is the sectional view that built-in strengthening core self-bearing type control cable electric part is provided with the copper strips screen;
Fig. 6 A is the sectional view that external strengthening core self-bearing type control cable electric part is provided with woven shield;
Fig. 6 B is the sectional view that external strengthening core self-bearing type control cable electric part is provided with the copper strips screen;
Among the figure: 1 strengthening core, 2 protective layers, 3 cable electrical parts, 4 sheaths, 5 soft strengthening cores, 6 hard strengthening cores, 7 conductors, 8 flame retardant coatings, 9 insulating barriers, 10 lapping layers, 11 woven shields, 12 copper strips screens, 13 lapping layers.
Embodiment
Built-in strengthening core self-bearing type control cable: strengthening core 1 adopts the stranded composition of zinc-coated wire, wrapped mica tape protective layer 2 outside strengthening core 1.Conductor 7 adopts and meets the GB/T3956-1997 material, and cable is that rigid structure adopts 1 class or 2 class conductors, when cable such as soft junction structure with 5 classes or 6 class conductors.The flame retardant coating 8 of fire-resisting cable is wrapped on conductor 7 by mica tape, the wrapped rate of putting up is not less than 50%, extrudes to meet the XLPE insulation 9 of stipulating among the PVC that stipulates among GB9330-88 and the GB/T8815-2002 or the GB/T12706-2002 and constitute insulated wire cores outside conductor 7 or conductor 7 wrapped mica tapes.The insulated wire cores that indicates different numberings is wrapped outside having the strengthening core of protective layer.Wrapped mica tape lapping layer 10 behind the stranding, braiding or lapped shielding layer outside twining package tape, copper wire woven shield 11 or wrapped copper strips screen 12, wrapped lapping layer 13 outside the copper wire braid shielded.Outermost layer extrudes protection sheath 4, constitutes built-in strengthening core self-bearing type control cable.
External strengthening core self-bearing type control cable: conductor 7 adopts and meets the GB/T3956-1997 material, and cable is that rigid structure adopts 1 class or 2 class conductors, when cable such as soft junction structure with 5 classes or 6 class conductors.The flame retardant coating 8 of fire-resisting cable is wrapped on conductor 7 by mica tape, the wrapped rate of putting up is not less than 50%, extrudes to meet the XLPE insulating barrier of stipulating among the PVC that stipulates among GB9330-88 and the GB/T8815-2002 or the GB/T12706-2002 9 and constitute insulated wire cores outside conductor 7 or conductor 7 wrapped mica tapes.Indicate wrapped lapping layer 10 behind the insulated wire cores strandings of different numberings, twining package tape outside, weave or lapped shielding layer copper wire woven shield 11 or copper strips lapped shielding layer 12, wrapped lapping layer 13 outside the copper wire braid shielded.Strengthening core adopts stranded zinc-coated wire, and flexible cable adopts strands strengthening core 5, and hard cable adopts sub-thread or seven strands of stranded strengthening cores 6.Cable electrical part 3 and strengthening core 1 are extruded in the protection sheath 4 simultaneously, constitute external strengthening core self-bearing type control cable.
Claims (8)
1. self-bearing type control cable, comprise in sheath and the sheath and constitute the cable electrical part by conductor, insulating barrier, screen, it is characterized in that cable is provided with strengthening core, strengthening core is wrapped in the sheath and the cable electrical partial parallel, and described screen is arranged on the lapping layer of cable electrical part.
2. self-bearing type computer cable according to claim 1 is characterized in that described strengthening core is a zinc-coated wire, is arranged on the cable electrical part outside, constitutes external strengthening core self-bearing type computer cable.
3. self-bearing type computer cable according to claim 1 is characterized in that described strengthening core is a zinc-coated wire, and wrapped protective layer on the zinc-coated wire is arranged in the cable electrical part, constitutes built-in strengthening core self-bearing type computer cable.
4. self-bearing type control cable according to claim 1 is characterized in that described conductor is to meet 1 class, the 2 class conductors that GB/T3956-1997 requires.
5. self-bearing type control cable according to claim 1 is characterized in that described conductor is to meet 5 classes, the 6 class conductors that GB/T3956-1997 requires.
6. self-bearing type control cable according to claim 1 is characterized in that described cable electrical partly is provided with the wrapped flame retardant coating of phlogopite band, and the wrapped rate of putting up of phlogopite band is greater than 50%.
7. self-bearing type control cable according to claim 1, the material that it is characterized in that described insulating barrier are to meet the PVC material of stipulating among GB9330-88 and the GB/T8815-2002.
8. self-bearing type control cable according to claim 1, the material that it is characterized in that described insulating barrier are to meet the XLPE material of stipulating among the GB/T12706-2002.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200397721U CN201111983Y (en) | 2007-06-11 | 2007-06-11 | Self-supporting control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200397721U CN201111983Y (en) | 2007-06-11 | 2007-06-11 | Self-supporting control cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201111983Y true CN201111983Y (en) | 2008-09-10 |
Family
ID=39963727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200397721U Expired - Fee Related CN201111983Y (en) | 2007-06-11 | 2007-06-11 | Self-supporting control cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201111983Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280178A (en) * | 2011-05-23 | 2011-12-14 | 天津六○九电缆有限公司 | 75kV low-impedance coaxial cable |
| CN103996446A (en) * | 2014-06-12 | 2014-08-20 | 江苏大地电缆有限公司 | High-strength waterproof and fireproof cable |
-
2007
- 2007-06-11 CN CNU2007200397721U patent/CN201111983Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280178A (en) * | 2011-05-23 | 2011-12-14 | 天津六○九电缆有限公司 | 75kV low-impedance coaxial cable |
| CN103996446A (en) * | 2014-06-12 | 2014-08-20 | 江苏大地电缆有限公司 | High-strength waterproof and fireproof 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: 20080910 Termination date: 20120611 |