CN102621647A - Irregular cable - Google Patents
Irregular cable Download PDFInfo
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- CN102621647A CN102621647A CN201210113706XA CN201210113706A CN102621647A CN 102621647 A CN102621647 A CN 102621647A CN 201210113706X A CN201210113706X A CN 201210113706XA CN 201210113706 A CN201210113706 A CN 201210113706A CN 102621647 A CN102621647 A CN 102621647A
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Abstract
The invention belongs to the technical field of cables, in particular to an irregular cable, which is characterized by comprising four irregular bodies, protection sleeves and cable cores. Each irregular body comprises a reinforcing part, an irregular member and a connection rib. The four protection sleeves are round, and each protection sleeve is located between adjacent irregular bodies. The protection sleeves wrap the cable cores. The protection sleeves are characterized in that the density is 0.945-0.965g/cm<3>, the tensile strength is larger than or equal to 20MPa, the carbon black content is 2.9%-3.5%, the dielectric strength is larger than or equal to 30KV/mm, the bending strength ranges from 30MPa-50MPa and -50-80 DEG C in 3.5% strain, and the axial later stage contractibility rate ranges from -1% to 1% within 48 hours. The irregular cable is small in peripheral dimension, small in material consumption, less in working procedure number, low in production cost, more convenient to lay and higher in mechanical reliability under stress.
Description
Technical field
The invention belongs to technical field of cables, especially relating to a kind of reinforcement is not the special-shaped cable that all is positioned at central authorities.
Background technology
The application of optical cable and cable is universal day by day; In the prior art, the structure that optical cable is normally circular is carried out stranded by many loose sleeve pipes and gasket for packing around the reinforcement that is positioned at optical cable central authorities; Outside intertwist body, coat then and block water or moisture barrier; Block water or moisture barrier outside coat restrictive coating, the common external diameter of this optical cable is bigger, is unfavorable for built on stilts laying; In addition, built on stilts when laying need with the messenger wire that lays in addition mutually clamping could accomplish fixingly, therefore, it is inconvenient to construct.In the prior art, cable also exists the problems referred to above.
Summary of the invention
In order to address the above problem, the present invention provides a kind of special-shaped cable, and they adopt following technical scheme to realize:
Special-shaped cable is characterized in that it comprises first obform body, second obform body, the 3rd obform body, the 4th obform body, sheath, cable core 31; Wherein, first obform body comprises: first reinforcement 321, envelope first reinforcement first special-shaped component 322, connect first dowel 323 of first special-shaped component and sheath; Second obform body comprises: second reinforcement 331, envelope second reinforcement second special-shaped component 332, connect second dowel 333 of second special-shaped component and sheath; The 3rd obform body comprises: the 3rd reinforcement 341, envelope the 3rd reinforcement the 3rd special-shaped component 342, connect the 3rd dowel 343 of the 3rd special-shaped component and sheath; The 4th obform body comprises: the 4th reinforcement 351, envelope the 4th reinforcement the 4th special-shaped component 352, connect the 4th dowel 353 of the 4th special-shaped component and sheath; Sheath is circular; Comprise first jacket body 32, second jacket body 33, the 3rd jacket body 34, the 4th jacket body 35; First jacket body is between first obform body and second obform body; Second jacket body is between second obform body and the 3rd obform body, and the 3rd jacket body is between the 3rd obform body and the 4th obform body, and the 4th jacket body is between the 4th obform body and first obform body; Sheath envelopes cable core; Said sheath: density is 0.945～0.965g/cm
3, pulling strengrth is not less than 20MPa, and content of carbon black is 2.9%～3.5%; Dielectric strength is for being not less than 30KV/mm, and the bending strength during 3.5% strain is 30MPa～50MPa, changes between-50 ℃～+ 80 ℃, in 48 hours; The scope of axial later stage shrinkage factor: [1%, 1%]; Above-mentioned said four dowels all are Pear-Shaped.
Above-mentioned described special-shaped cable is characterized in that said cable core at least by the central reinforce member that is positioned at the center 314, constitute around stranded many protection tubes 311 and 313 of the gasket for packings of central reinforce member, has a light transmitting fiber 312 at least in the said protection tube.
Above-mentioned described special-shaped cable is characterized in that said cable core at least by the central reinforce member that is positioned at the center 314, constitute around 311 stranded of many protection tubes of central reinforce member, has a light transmitting fiber 312 at least in the said protection tube.
Above-mentioned described special-shaped cable is characterized in that said central reinforce member inside is the load parts, and the outside is a protective seam.
Above-mentioned described special-shaped cable is characterized in that said central reinforce member is that steel wire or spun glass increase plastics.
Above-mentioned said light transmitting fiber is single mode type or multimode type.
Above-mentioned described special-shaped cable is characterized in that said cable core is made up of many insulated lead, and insulated conductor is parallel to each other or is stranded each other, and every insulated lead constitutes by being positioned at conductor inside 316 and being coated on the outer insulation course 315 of conductor.
Above-mentioned described special-shaped cable; It is characterized in that said cable core constitutes by the central reinforce member that is positioned at the center 314, around stranded many protection tubes 311, two insulated leads and 313 of the gasket for packings of central reinforce member at least, has a light transmitting fiber 312 at least in the said protection tube; Said insulated conductor constitutes by being positioned at conductor inside 316 and being coated on the outer insulation course 315 of conductor.
Above-mentioned described special-shaped cable is characterized in that the center of circle of said first reinforcement 321, second reinforcement 331, the 3rd reinforcement 341, the 4th reinforcement 351 is positioned on the same circumference.
Above-mentioned described special-shaped cable is characterized in that the outer rim of said first jacket body 32, second jacket body 33, the 3rd jacket body 34, the 4th jacket body 35 is positioned on the same circumference.
Above-mentioned described special-shaped cable, about it is characterized in that, about all be the symmetry.
Above-mentioned described special-shaped cable is characterized in that first obform body, second obform body, the 3rd obform body, the 4th obform body, sheath are integral structure.
Certainly, through the present invention, can be to show to provide enlightenment, the outside has two, three, the form of other a plurality of reinforcements also should list protection scope of the present invention in.
Beneficial effect: because reinforcement can be placed on outside the sheath, therefore, can make the external diameter of cable core littler, promptly be exactly that the Outside Dimensions of cable can be dwindled greatly, so can save material consumption, save cost, minimizing operation quantity, reduce production costs; In addition because the existence of dowel, so can make lay more convenient; Because the reinforcement of many peripheries is arranged, so only need once lay, peripheral reinforcement is with the function of the messenger wire of figure of eight cable; And reinforcement is dispersed in around the sheath, so the Mechanical Reliability of cable is higher under the stressing conditions; Because dowel has special shape, so it is more convenient to be shaped.
Description of drawings
Fig. 1 is the cross-sectional structure synoptic diagram of the special-shaped cable of the present invention;
The cross-sectional structure synoptic diagram of the optical cable core that adopts in the embodiment of Fig. 2 for the special-shaped cable of the present invention;
The cross-sectional structure synoptic diagram of the cable conductor that adopts in the another embodiment of Fig. 3 for the special-shaped cable of the present invention;
The cross-sectional structure synoptic diagram of the optoelectronic composite cable cable core that adopts in the embodiment again of Fig. 4 for the special-shaped cable of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail; Embodiment 1 to embodiment 4 is the exemplary embodiments of the special-shaped cable of the present invention.
Ask for an interview Fig. 1 and Fig. 2, special-shaped cable 3 is characterized in that it comprises first obform body, second obform body, the 3rd obform body, the 4th obform body, sheath, cable core 31; Wherein, first obform body comprises: first reinforcement 321, envelope first reinforcement first special-shaped component 322, connect first dowel 323 of first special-shaped component and sheath; Second obform body comprises: second reinforcement 331, envelope second reinforcement second special-shaped component 332, connect second dowel 333 of second special-shaped component and sheath; The 3rd obform body comprises: the 3rd reinforcement 341, envelope the 3rd reinforcement the 3rd special-shaped component 342, connect the 3rd dowel 343 of the 3rd special-shaped component and sheath; The 4th obform body comprises: the 4th reinforcement 351, envelope the 4th reinforcement the 4th special-shaped component 352, connect the 4th dowel 353 of the 4th special-shaped component and sheath; Sheath is circular; Comprise first jacket body 32, second jacket body 33, the 3rd jacket body 34, the 4th jacket body 35; First jacket body is between first obform body and second obform body; Second jacket body is between second obform body and the 3rd obform body, and the 3rd jacket body is between the 3rd obform body and the 4th obform body, and the 4th jacket body is between the 4th obform body and first obform body; Sheath envelopes cable core; Said cable core constitutes by the central reinforce member that is positioned at the center 314, around stranded two protection tubes 311 and three 313 of the gasket for packings of central reinforce member, and four light transmitting fibers 312 are arranged in the said protection tube; Said sheath: density is 0.945～0.965g/cm
3, pulling strengrth is not less than 20MPa, and content of carbon black is 2.9%～3.5%; Dielectric strength is for being not less than 30KV/mm, and the bending strength during 3.5% strain is 30MPa～50MPa, changes between-50 ℃～+ 80 ℃, in 48 hours; The scope of axial later stage shrinkage factor: [1%, 1%]; Above-mentioned said four dowels all are Pear-Shaped.Dowel is that Pear-Shaped makes product more easy-formation, tension, torsional property are better.
Certainly, above-mentioned described special-shaped cable is characterized in that said protection tube 311 also can be other many; Said gasket for packing 313 also can be other many; Said light transmitting fiber 312 is at least one.
Certainly, above-mentioned described special-shaped cable is characterized in that all right other protective seam outside said protection tube and gasket for packing, like waterstop, aluminium strip, steel band etc.; Further, outside protective seam, also the intermediate jacket layer can be arranged.
Ask for an interview Fig. 1 and Fig. 3; Special-shaped cable 3, with embodiment 1, difference is basically: said cable core is made up of many insulated lead; Insulated conductor is parallel to each other or is stranded each other, and every insulated lead constitutes by being positioned at conductor inside 316 and being coated on the outer insulation course 315 of conductor.
Ask for an interview Fig. 1 and Fig. 4; And with reference to figure 2 and Fig. 3; Special-shaped cable 3; Basically with embodiment 1, difference is: said cable core constitutes by the central reinforce member that is positioned at the center 314, around stranded many protection tubes 311, two insulated leads and 313 of the gasket for packings of central reinforce member at least, has a light transmitting fiber 312 in the said protection tube at least; Said insulated conductor constitutes by being positioned at conductor inside 316 and being coated on the outer insulation course 315 of conductor.
Please refer to Fig. 1 and Fig. 2; Special-shaped cable 3; Basically with embodiment 1, difference is: said cable core has a light transmitting fiber 312 at least at least by the central reinforce member that is positioned at the center 314, constitute around 311 stranded of many protection tubes of central reinforce member in the said protection tube.
Above-mentioned described any one special-shaped cable is characterized in that said central reinforce member inside is the load parts, and the outside is a protective seam.
Above-mentioned described any one special-shaped cable is characterized in that said central reinforce member is that steel wire or spun glass increase plastics.
Above-mentioned described any one special-shaped cable is characterized in that said light transmitting fiber is single mode type or multimode type.
Above-mentioned described any one special-shaped cable is characterized in that the center of circle of said first reinforcement 321, second reinforcement 331, the 3rd reinforcement 341, the 4th reinforcement 351 is positioned on the same circumference.
Above-mentioned described any one special-shaped cable is characterized in that the outer rim of said first jacket body 32, second jacket body 33, the 3rd jacket body 34, the 4th jacket body 35 is positioned on the same circumference.
Above-mentioned described any one special-shaped cable, about it is characterized in that, about all be the symmetry.
Above-mentioned described any one special-shaped cable is characterized in that first obform body, second obform body, the 3rd obform body, the 4th obform body, sheath are integral structure.
Certainly, through the present invention, can be to show to provide enlightenment, the outside has two, three, the form of other a plurality of reinforcements also should list protection scope of the present invention in.
Beneficial effect: because reinforcement can be placed on outside the sheath, therefore, can make the external diameter of cable core littler, promptly be exactly that the Outside Dimensions of cable can be dwindled greatly, so can save material consumption, save cost, minimizing operation quantity, reduce production costs; In addition because the existence of dowel, so can make lay more convenient; Because the reinforcement of many peripheries is arranged, so only need once lay, peripheral reinforcement is with the function of the messenger wire of figure of eight cable; And reinforcement is dispersed in around the sheath, so the Mechanical Reliability of cable is higher under the stressing conditions; Because dowel has special shape, so it is more convenient to be shaped.
The present invention is not limited to above-mentioned preferred forms, should be appreciated that design of the present invention can be by other various forms enforcement utilizations, and they drop in protection scope of the present invention equally.
Claims (10)
1. a special-shaped cable is characterized in that it comprises first obform body, second obform body, the 3rd obform body, the 4th obform body, sheath, cable core (31); Wherein, first obform body comprises: first dowel (323) of first reinforcement (321), first special-shaped component (322) that envelopes first reinforcement, connection first special-shaped component and sheath; Second obform body comprises: second dowel (333) of second reinforcement (331), second special-shaped component (332) that envelopes second reinforcement, connection second special-shaped component and sheath; The 3rd obform body comprises: the 3rd dowel (343) of the 3rd reinforcement (341), the 3rd special-shaped component (342) that envelopes the 3rd reinforcement, connection the 3rd special-shaped component and sheath; The 4th obform body comprises: the 4th dowel (353) of the 4th reinforcement (351), the 4th special-shaped component (352) that envelopes the 4th reinforcement, connection the 4th special-shaped component and sheath; Sheath is circular; And comprise first jacket body (32), second jacket body (33), the 3rd jacket body (34), the 4th jacket body (35); First jacket body is between first obform body and second obform body; Second jacket body is between second obform body and the 3rd obform body, and the 3rd jacket body is between the 3rd obform body and the 4th obform body, and the 4th jacket body is between the 4th obform body and first obform body; Sheath envelopes cable core; Said sheath: density is 0.945～0.965g/cm
3, pulling strengrth is not less than 20MPa, and content of carbon black is 2.9%～3.5%; Dielectric strength is for being not less than 30KV/mm, and the bending strength during 3.5% strain is 30MPa～50MPa, changes between-50 ℃～+ 80 ℃, in 48 hours; The scope of axial later stage shrinkage factor: [1%, 1%]; Above-mentioned said four dowels all are Pear-Shaped.
2. special-shaped cable according to claim 1; It is characterized in that said cable core at least by the central reinforce member that is positioned at the center (314), constitute around the stranded many protection tubes (311) of central reinforce member, has a light transmitting fiber (312) at least in the said protection tube.
3. special-shaped cable according to claim 1; It is characterized in that said cable core at least by the central reinforce member that is positioned at the center (314), constitute around stranded many protection tubes (311) and the gasket for packing (313) of central reinforce member, has a light transmitting fiber (312) at least in the said protection tube.
4. according to described any one the special-shaped cable of claim 2 to claim 3, the inside that it is characterized in that said central reinforce member is the load parts, and the outside is a protective seam.
5. special-shaped cable according to claim 4 is characterized in that said central reinforce member is that steel wire or spun glass increase plastics.
6. special-shaped cable according to claim 1; It is characterized in that said cable core is made up of many insulated lead; Insulated conductor is parallel to each other or is stranded each other, and every insulated lead constitutes by being positioned at conductor inside (316) and being coated on the outer insulation course (315) of conductor.
7. special-shaped cable according to claim 1; It is characterized in that said cable core constitutes by the central reinforce member that is positioned at the center (314), around stranded many protection tubes (311), two insulated leads and the gasket for packing (313) of central reinforce member at least, has a light transmitting fiber (312) at least in the said protection tube; Said insulated conductor constitutes by being positioned at conductor inside (316) and being coated on the outer insulation course (315) of conductor.
8. special-shaped cable according to claim 7, the inside that it is characterized in that said central reinforce member is the load parts, the outside is a protective seam.
9. special-shaped cable according to claim 1 is characterized in that the center of circle of said first reinforcement (321), second reinforcement (331), the 3rd reinforcement (341), the 4th reinforcement (351) is positioned on the same circumference.
10. special-shaped cable according to claim 1 is characterized in that the outer rim of said first jacket body (32), second jacket body (33), the 3rd jacket body (34), the 4th jacket body (35) is positioned on the same circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210113706.XA CN102621647B (en) | 2012-02-07 | 2012-04-07 | Irregular cable |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210026967.8 | 2012-02-07 | ||
| CN201210026967 | 2012-02-07 | ||
| CN201210113706.XA CN102621647B (en) | 2012-02-07 | 2012-04-07 | Irregular cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102621647A true CN102621647A (en) | 2012-08-01 |
| CN102621647B CN102621647B (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210113706.XA Active CN102621647B (en) | 2012-02-07 | 2012-04-07 | Irregular cable |
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| CN (1) | CN102621647B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971808A (en) * | 2014-04-24 | 2014-08-06 | 安徽徽宁电器仪表集团有限公司 | Flat transmission control cable |
| CN104880791A (en) * | 2015-05-29 | 2015-09-02 | 成都亨通光通信有限公司 | Center tubular type band-shaped optical cable |
| CN114325991A (en) * | 2022-03-04 | 2022-04-12 | 长飞光纤光缆股份有限公司 | Indoor and outdoor general self-supporting rubber-insulated-wire cable |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2181011Y (en) * | 1993-11-30 | 1994-10-26 | 成都市汇源光缆厂 | Central pipe type special shape armored cable |
| CN201654291U (en) * | 2010-02-25 | 2010-11-24 | 章君旭 | Shaped wire jacket for optical fiber unit in special optical cable |
-
2012
- 2012-04-07 CN CN201210113706.XA patent/CN102621647B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2181011Y (en) * | 1993-11-30 | 1994-10-26 | 成都市汇源光缆厂 | Central pipe type special shape armored cable |
| CN201654291U (en) * | 2010-02-25 | 2010-11-24 | 章君旭 | Shaped wire jacket for optical fiber unit in special optical cable |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971808A (en) * | 2014-04-24 | 2014-08-06 | 安徽徽宁电器仪表集团有限公司 | Flat transmission control cable |
| CN104880791A (en) * | 2015-05-29 | 2015-09-02 | 成都亨通光通信有限公司 | Center tubular type band-shaped optical cable |
| CN114325991A (en) * | 2022-03-04 | 2022-04-12 | 长飞光纤光缆股份有限公司 | Indoor and outdoor general self-supporting rubber-insulated-wire cable |
| CN114325991B (en) * | 2022-03-04 | 2022-06-21 | 长飞光纤光缆股份有限公司 | Indoor and outdoor general self-supporting rubber-insulated-wire cable |
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| Publication number | Publication date |
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| CN102621647B (en) | 2014-03-12 |
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Inventor after: Lian Liming Inventor after: Xiao Miaoxin Inventor after: Ji Qinghua Inventor after: Zhou Ning Inventor after: Liu Guimin Inventor after: Fang Yaqin Inventor after: Jiang Jusheng Inventor before: Fang Yaqin Inventor before: Jiang Jusheng |
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Effective date of registration: 20140117 Address after: 215554 No. 15 Lane Village, still lake town, Jiangsu, Changshou City Applicant after: Changshu Guleite Machinery Product Design Co., Ltd. Applicant after: Xinxiang University Address before: 215554 No. 15 Lane Village, still lake town, Jiangsu, Changshou City Applicant before: Changshu Guleite Machinery Product Design Co., Ltd. |
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Owner name: YANGTZE OPTICAL FIBRE AND CABLE CO., LTD Free format text: FORMER OWNER: CHANGSHU GULEITE MACHINERY PRODUCT DESIGN CO., LTD. Effective date: 20150605 |
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Effective date of registration: 20150605 Address after: 430000 No. nine Optics Valley Avenue, East Lake New Technology Development Zone, Wuhan, Hubei Patentee after: Yangtze Optical Fibre and Cable Co., Ltd Address before: 215554 Suzhou, Changshou City, Shang Lake Town, New Lane Village, No. 15 Patentee before: Changshu Guleite Machinery Product Design Co., Ltd. |