CN204516466U - A kind of colliery communication signal-transmitting cable - Google Patents
A kind of colliery communication signal-transmitting cable Download PDFInfo
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- CN204516466U CN204516466U CN201520191195.2U CN201520191195U CN204516466U CN 204516466 U CN204516466 U CN 204516466U CN 201520191195 U CN201520191195 U CN 201520191195U CN 204516466 U CN204516466 U CN 204516466U
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- tube
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Abstract
The utility model discloses a kind of colliery communication signal-transmitting cable, comprise the first conductor group, the second conductor group, the first elasticity shielded tube and the second elasticity shielded tube, second elasticity shielding casing pipe sleeve is located at outside the first elasticity shielded tube, first conductor group is arranged in the first elasticity shielded tube, first conductor group comprises X root first conductor, and the first conductor of arbitrary neighborhood offsets and each first conductor all offsets with elasticity shielded tube; Second conductor group is arranged between the first elasticity shielded tube and the second elasticity shielded tube, second conductor group comprises Y root second conductor, the elastic strip that Y separates arbitrary neighborhood two the second conductors is provided with, at the second elasticity shielded tube outer covered fiber rope braid and external sheath layer successively between first elasticity shielded tube and the second elasticity shielded tube.The utility model structure is simple, not only good mechanical property, and advantages of good shielding performance, is adapted at the underground coal mine environmental work that complicated requirement is higher.
Description
Technical field
The utility model relates to technical field of electric wires and cables, particularly relates to a kind of colliery communication signal-transmitting cable.
Background technology
Wires and cables industry is the second largest industry that China is only second to automobile industry, and product variety Service Efficiency and domestic market occupation rate are all more than 90%.Worldwide, the Chinese electric wire gross output value exceedes the U.S., becomes first electric wire production control cable state in the world.Along with Chinese wires and cables industry high speed development, creation of new enterprise quantity constantly rises, and industry overall technology level is largely increased.
The distribution of telecom cable production factory is in all parts of the country.Current China is except the long-distance type telecommunication cable of production and city words cable, and fiber optic cables and polyolefin insulation integrated sheath overall plastic city words cable there has also been significant progress, and domestic many producers and R&D institution introduce technology from external and produce equipment.The signal cable in colliery needs higher requirement, and general signal cable is not long for useful life, poor stability.
Can be used for making underground coal mine monitoring, control system medium and low frequency signal transmssion line, by force structural, can not wear and tear cracking easily,
Utility model content
In order to solve the technical problem existed in background technology, the utility model proposes a kind of colliery communication signal-transmitting cable, structure is simple, not only good mechanical property, and advantages of good shielding performance, is adapted at the underground coal mine environmental work that complicated requirement is higher.
A kind of colliery communication signal-transmitting cable that the utility model proposes, comprise the first conductor group, second conductor group, first elasticity shielded tube and the second elasticity shielded tube, second elasticity shielding casing pipe sleeve is located at outside the first elasticity shielded tube, first conductor group is arranged in the first elasticity shielded tube, first conductor group comprises X root first conductor, X >=3, first conductor comprises the first core and is coated on the fire-resistant isinglass belt lapping layer outside the first core successively, first screen and the first insulating barrier, first conductor of arbitrary neighborhood offsets and each first conductor all offsets with elasticity shielded tube, second conductor group is arranged between the first elasticity shielded tube and the second elasticity shielded tube, second conductor group comprises Y root second conductor, Y >=6, the second conductor comprises the second core and is coated on fire-retardant band lapping layer, secondary shielding layer and the second insulating barrier outside the second core successively, the elastic strip that Y separates arbitrary neighborhood two the second conductors is provided with between first elasticity shielded tube and the second elasticity shielded tube, Y elastic strip head and the tail are connected successively and are bonded on the first elasticity shielded tube, elastic strip lateral surface and the second elasticity shielded tube offset, second conductor to be arranged between arbitrary neighborhood two elastic strips and to offset with the second elasticity shielded tube, at the second elasticity shielded tube outer covered fiber rope braid and external sheath layer successively.
Preferably, the first screen adopts zinc-plated soft copper band lapping layer, and secondary shielding layer adopts tincopper fuse wire braided armor.
Preferably, in the first elasticity shielded tube, be provided with X root unmasked conductor, offset with the first elasticity shielded tube between two the first conductors that unmasked conductor is arranged on arbitrary neighborhood.
Preferably, from the cross section of cable, in Y elastic strip, be equipped with the through hole axially arranged along cable.
Preferably, from the cross section of cable, Y elastic strip lateral surface is that opening shields the parabola shaped of casing axis towards the first elasticity.
Preferably, the first elasticity shielded tube, the second elasticity shielded tube are equipped with curtain coating.
A kind of colliery communication signal-transmitting cable that the utility model provides, the first conductor group, the second conductor group is separated respectively by the first elasticity shielded tube, the second elasticity shielded tube, first elasticity shielded tube, the second elasticity shielded tube are equipped with curtain coating, improve the shielding character of the first conductor group, the second conductor group further.From the cross section of cable, Y elastic strip lateral surface is that opening shields the parabola shaped of casing axis towards the first elasticity, Y elastic strip head and the tail are connected successively and are bonded on the first elasticity shielded tube, elastic strip lateral surface is arc and offsets with the second elasticity shielded tube, be equipped with in Y elastic strip along the axial through hole arranged of cable at cable pressurized, by when squeezing or turned round, Y elastic strip generation deformation, improve the mechanical strength of cable simultaneously, when avoiding cable stressed, the second conductor group misplaces, and meets the instructions for use of colliery communication signal-transmitting cable.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of a kind of colliery communication signal-transmitting cable that the utility model proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the cross section structure schematic diagram of a kind of colliery communication signal-transmitting cable that the utility model proposes.
With reference to Fig. 1, a kind of colliery communication signal-transmitting cable that the utility model proposes, comprise the first conductor group, second conductor group, first elasticity shielded tube 3 and the second elasticity shielded tube 4, second elasticity shielded tube 4 is set in outside the first elasticity shielded tube 3, first conductor group is arranged in the first elasticity shielded tube 3, first conductor group comprises three first conductors 1, the fire-resistant isinglass belt lapping layer 12 that first conductor 1 comprises the first core 11 and is coated on successively outside the first core 11, first screen 13 and the first insulating barrier 14, first conductor 1 of arbitrary neighborhood offsets and each first conductor 1 all offsets with the first elasticity shielded tube 3, second conductor group is arranged between the first elasticity shielded tube 3 and the second elasticity shielded tube 4, second conductor group comprises eight second conductor 2, second conductors 2 and comprises the second core 21 and be coated on fire-retardant band lapping layer 22, secondary shielding layer 23 and the second insulating barrier 24 outside the second core 21 successively, the elastic strip 31 that eight separate arbitrary neighborhood two the second conductors 2 is provided with between first elasticity shielded tube 3 and the second elasticity shielded tube 4, eight elastic strip 31 head and the tail are connected successively and are bonded on the first elasticity shielded tube 3, elastic strip 31 lateral surface is arc and offsets with the second elasticity shielded tube 4, second conductor 2 to be arranged between arbitrary neighborhood two elastic strips 31 and to offset with the second elasticity shielded tube 4, at the second elasticity shielded tube 4 outer covered fiber rope braid 5 and external sheath layer 6 successively.
The utility model adopts the first elasticity shielded tube 3, second elasticity shielded tube 4 to separate the first conductor group, the second conductor group respectively, first elasticity shielded tube 3, second elasticity shielded tube 4 is equipped with curtain coating, improves the shielding character of the first conductor group, the second conductor group further.From the cross section of cable, eight elastic strip 31 lateral surfaces are parabola shaped towards the first elasticity shielded tube 3 axle center of opening, eight elastic strip 31 head and the tail are connected successively and are bonded on the first elasticity shielded tube 3, elastic strip 31 lateral surface and the second elasticity shielded tube 4 offset, the through hole axially arranged along cable is equipped with in eight elastic strips 31, 32 at cable pressurized, by squeeze or when being turned round, there is deformation in eight elastic strips 31, improve the mechanical strength of cable simultaneously, when avoiding cable stressed, the second conductor group misplaces, meet the instructions for use of colliery communication signal-transmitting cable.
In a particular embodiment, three unmasked conductors 7 are provided with in the first elasticity shielded tube 3, offseting with the first elasticity shielded tube 3 between two the first conductors 1 that unmasked conductor 7 is arranged on arbitrary neighborhood, improving the compactedness of cable simultaneously, improve the transfer function of cable.
The above; be only the utility model preferably embodiment; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all should be encompassed within protection range of the present utility model.
Claims (5)
1. a colliery communication signal-transmitting cable, it is characterized in that, comprise the first conductor group, second conductor group, first elasticity shielded tube (3) and the second elasticity shielded tube (4), second elasticity shielded tube (4) is set in the first elasticity shielded tube (3) outward, first conductor group is arranged in the first elasticity shielded tube (3), first conductor group comprises X root first conductor (1), X >=3, first conductor (1) comprises the first core (11) and is coated on the first core (11) fire-resistant isinglass belt lapping layer (12) outward successively, first screen (13) and the first insulating barrier (14), first conductor (1) of arbitrary neighborhood offsets and each first conductor (1) all offsets with the first elasticity shielded tube (3), second conductor group is arranged between the first elasticity shielded tube (3) and the second elasticity shielded tube (4), second conductor group comprises Y root second conductor (2), Y >=6, the second conductor (2) comprises the second core (21) and is coated on the second core (21) fire-retardant band lapping layer (22) outward, secondary shielding layer (23) and the second insulating barrier (24) successively, the elastic strip (31) that Y separates arbitrary neighborhood two the second conductors (2) is provided with between first elasticity shielded tube (3) and the second elasticity shielded tube (4), Y elastic strip (31) head and the tail are connected successively and are bonded on the first elasticity shielded tube (3), elastic strip (31) lateral surface and the second elasticity shielded tube (4) offset, second conductor (2) to be arranged between arbitrary neighborhood two elastic strips (31) and to offset with the second elasticity shielded tube (4), at the second elasticity shielded tube (4) covered fiber rope braid (5) and external sheath layer (6) successively outward.
2. communication signal-transmitting cable in colliery according to claim 1, is characterized in that, the first screen (13) adopts zinc-plated soft copper band lapping layer, and secondary shielding layer (23) adopts tincopper fuse wire braided armor.
3. communication signal-transmitting cable in colliery according to claim 1, it is characterized in that, in the first elasticity shielded tube (3), be provided with X root unmasked conductor (7), offset with the first elasticity shielded tube (3) between two the first conductors (1) that unmasked conductor (7) is arranged on arbitrary neighborhood.
4. communication signal-transmitting cable in colliery according to claim 1, is characterized in that, from the cross section of cable, is equipped with the through hole (32) axially arranged along cable in Y elastic strip (31).
5. communication signal-transmitting cable in colliery according to claim 1, is characterized in that, the first elasticity shielded tube (3), the second elasticity shielded tube (4) are equipped with curtain coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520191195.2U CN204516466U (en) | 2015-03-31 | 2015-03-31 | A kind of colliery communication signal-transmitting cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520191195.2U CN204516466U (en) | 2015-03-31 | 2015-03-31 | A kind of colliery communication signal-transmitting cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204516466U true CN204516466U (en) | 2015-07-29 |
Family
ID=53714414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520191195.2U Expired - Fee Related CN204516466U (en) | 2015-03-31 | 2015-03-31 | A kind of colliery communication signal-transmitting cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204516466U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741873A (en) * | 2019-02-27 | 2019-05-10 | 芜湖鼎汉轨道交通装备有限公司 | A kind of reinforced high temperature power cable of braiding |
| CN111540516A (en) * | 2020-04-26 | 2020-08-14 | 安徽华津电缆集团有限公司 | Elastic pressure-resistant cable suitable for high-pressure environment |
-
2015
- 2015-03-31 CN CN201520191195.2U patent/CN204516466U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741873A (en) * | 2019-02-27 | 2019-05-10 | 芜湖鼎汉轨道交通装备有限公司 | A kind of reinforced high temperature power cable of braiding |
| CN111540516A (en) * | 2020-04-26 | 2020-08-14 | 安徽华津电缆集团有限公司 | Elastic pressure-resistant cable suitable for high-pressure environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20160331 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |