CN2922070Y - Comprehensive cable for railway tunnel - Google Patents
Comprehensive cable for railway tunnel Download PDFInfo
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- CN2922070Y CN2922070Y CN 200620079405 CN200620079405U CN2922070Y CN 2922070 Y CN2922070 Y CN 2922070Y CN 200620079405 CN200620079405 CN 200620079405 CN 200620079405 U CN200620079405 U CN 200620079405U CN 2922070 Y CN2922070 Y CN 2922070Y
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- cable
- control signal
- railway tunnel
- power transmission
- signal transfer
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Abstract
The utility model mainly relates to wire and cable manufacturing field, in particular to electric power and structural control of a comprehensive cable. A comprehensive cable for railway tunnel comprises a plurality of power transmission lines (1) for transmitting electric power and a plurality of control signal transmission lines (2) for controlling electrical apparatus and the lines are intertwisted. The cable is tied by a belt (3) and protected by a layer (5) outside, between which an oxygen-resisting layer (4) is arranged as the main characteristic. The utility model has advantages of 1. Integrating power transmission, control signal transmission and illumination function for railway tunnel in one cable, thereby reducing the manufacturing process of cable, the number of erected cable bridge and the overall cost of the project. 2. Adopting different materials for making insulation line core material, belting, spacer sleeve, filling and outer protective layer to adapt the cable to the flame retardance requirements of different tunnel cables. 3. Different flame retardance. Once the outer protective cover catches fire, the smog and harmful gases produced during the burning of the outer protective cover can cause the least ''secondary harm'' to human body and equipment.
Description
Technical field:
The utility model relates generally to electric wire and makes the field, relates in particular to the structure of composite cable.
Background technology:
Along with the development of China's electrified high-speed railway traffic technique, various power consumption equipment performance requirements are more and more higher on the railway, and the requirement of used accessory cables has also been proposed higher, more single-minded requirement, and the railway tunnel cable is unexceptional especially.On function of use, require tunnel cable can transferring electric power again can transfer control signal, and install lay and debug simple and convenient; On electric property, require the electric power transfer dependable performance of tunnel cable, the control signal instruction is transmitted accurately; On design feature, require tunnel cable rational in infrastructure stable, guarantee the connection of power device; Tunnel cable requires to have fire-retardant, fireproof performance simultaneously, the economic loss when reducing breaking out of fire.Common power cable and control cable during the breaking out of fire burning, owing to there is not self-extinguishment, so can produce, discharge a large amount of toxic gases, all have bigger injury to equipment and personnel when relative narrow tunnel space operation.Also there is not to satisfy the railway tunnel cable of above-mentioned requirements so far.
The utility model content:
The purpose of this utility model is to avoid the deficiencies in the prior art part and a kind of railway tunnel composite cable is provided, guarantee Stability Analysis of Structures rationally, electric power transfer dependable performance, control signal instruction transmit accurately on the basis, making electric power transfer in the tunnel and control signal transmission, illumination functions collection is in the cable, install lay and debug simple and convenient; Thereby reduce the cables manufacturing operation, reduce the cable testing bridge amount of laying, reduce the engineering overall cost.
If cable breaking out of fire in the tunnel simultaneously, itself has fire protection flame retarding cable; Cable jacket is in case burning, make since oversheath when burning the smog that produces and pernicious gas " the secondary harm " that the person and equipment cause is reduced to minimum level.
The purpose of this utility model can be by realizing by the following technical solutions: a kind of railway tunnel composite cable, include the array power transmission line (1) that is used for transmission of electric energy, the several control signal transfer lines (2) that are used for electrical equipment control, stranded in the lump, cable is tightened with belt (3), outer jacket (5), its main feature are also to include between cable is with belt (3) and outer jacket (5) to be provided with oxygen barrier layer (4).Oxygen barrier layer (4) adopts the fire proofing of high oxygen index.Be used for the power transmission line (1) of transmission of electric energy, the insulating material that is used for the control signal transfer line (2) of electrical equipment control all adopts IXPE, make cable can adapt to higher operating temperature and have good insulation performance resistance.If be used for the power transmission line (1) of transmission of electric energy, the insulating material that is used for the control signal transfer line (2) of electrical equipment control adopts polyvinyl chloride, make cable can adapt to the needs of normal operating temperature, and have higher insulation resistance.The material of the belt that cable is used (3) be in polypropylene or nonwoven fabrics or the glass fiber any one; The material of filler (6) be in polypropylene fibre and the mineral wool rope any one, improve the anti-flammability of cable.Cable usefulness belt (3) skin adopts the oxygen barrier layer (4) of high oxygen index, further improves the anti-flammability of cable.The outer one deck low-smoke non-halogen flame-retardant outer jacket (5) that coats of oxygen barrier layer (4), outer jacket (5) is any one in flame-proof polyvinyl chloride or low smoke halogen-free flame-retardant polyolefin or the crosslinked polyethylene.In case during the cable breaking out of fire, just play fire retardation, cable can normally be moved at short notice from outermost layer; And the gas that discharges in the time of can making cable fire, toxicity is very little, and is all very little to the injury of the person and equipment.
Described railway tunnel is located at the center of cable with the control signal transfer line (2) that is used for electrical equipment control of composite cable, and its external packets is covered with separation sleeve (7).Separation sleeve (7) is any one in polyethylene or the polyvinyl chloride.
Described railway tunnel is with the power transmission line that is used for transmission of electric energy (1) of composite cable and be used for being provided with filler (6) between the control signal transfer line (2) of electrical equipment control.
Described several power transmission line (1) is 4～5 groups; Described several control signal transfer lines (2) are 2～4.
The utility model also includes power transmission line (1) and comprises conductor (11) and be coated on the outer insulating barrier (12) of conductor; The insulating barrier (12) of power transmission line (1) has the different colours that is used to distinguish or is printed on the Digital ID that is used to distinguish.The material of insulating barrier (12) is any one in flame-proof polyvinyl chloride or low smoke halogen-free flame-retardant polyolefin or the crosslinked polyethylene.Also including control signal transfer line (2) comprises conductor (21) and is coated on the outer insulating barrier (22) of conductor; The insulating barrier (22) of control signal transfer line (2) has the different colours that is used to distinguish or is printed on the Digital ID that is used to distinguish.The material of insulating barrier (22) is any one in flame-proof polyvinyl chloride or low smoke halogen-free flame-retardant polyolefin or the crosslinked polyethylene.
The beneficial effects of the utility model are, 1. making electric power transfer in the railway tunnel and control signal transmission, illumination functions collection is a cable, thereby reduces the cables manufacturing operation, reduces the cable testing bridge amount of laying, thereby reduces the engineering overall cost.2. it adopts different materials respectively with insulated wire cores material, band, separation sleeve, filling, outer jacket, makes cable, adapts to the fire resistance requirement of different tunnel cables.3. have different anti-flammabilitys, smog that oversheath when burning produces if cable jacket in case burning, can make and pernicious gas are reduced to minimum level to " the secondary harm " that the person and equipment cause.
Description of drawings:
Fig. 1 is the structural section view of the utility model embodiment 1;
Fig. 2 is the structural section view of the utility model embodiment 2.
Fig. 3 is the structural section view of the utility model embodiment 3;
Fig. 4 is the structural section view of the utility model embodiment 4.
Embodiment:
Explanation by the following preferred embodiment that accompanying drawing is represented can be expressly understood feature and advantage of the present utility model, but the following examples does not constitute the restriction to technical solutions of the utility model.
Embodiment 1: see Fig. 1, one group of quantity is that 4 control signal transfer line 2, one group of quantity are that 5 power transmission line 1 is stranded with filling 6, and cable is tightened with belt 3, low smoke and zero halogen outer jacket 5 is provided with oxygen barrier layer 4 between cable is with belt 3 and outer jacket 5.Wherein control signal transfer line 2 comprises conductor 21 and is coated on the outer insulating barrier 22 of conductor, the material of insulating barrier adopts crosslinked polyethylene, make control signal transmit core and can adapt to higher operating temperature and have good electric property and fire resistance, and insulating barrier 22 has the red, yellow, green, blue color of distinguishing core; Power transmission line 1 comprises conductor 11 and is coated on the outer insulating barrier 12 of conductor, insulating layer material adopts crosslinked polyethylene, make the electric power transfer core can adapt to higher operating temperature and have good insulation performance resistance and fire resistance, and the insulating barrier color is homochromy and has the Digital ID 0,1,2,3,4 of distinguishing core.
This cable is because the effect of filling 6 makes the construction of cable stable; The insulating barrier 22 of electric power transfer line insulating layer 12, signal transfer line 2 adopts the crosslinked polyethylene material, cable adopts glass tape with belt 3, oxygen barrier layer 4 employing oxygen indexs are 38 low-smoke halogen-free material, the oversheath material adopts low-smoke halogen-free material, fill 6 and adopt fire-retardant mineral wool rope to make this structural cable have well fire-resistant, fire resistance, even in case breaking out of fire can not cause " secondary injury " to the person and equipment.This structural cable has passed through the category-A requirement of national standard electric wire burning test.
Embodiment 2: see Fig. 2, adopt 2 signal transfer lines and 4 power transmission lines, all the other are with embodiment 1.
Embodiment 3: see Fig. 3, one group of quantity be 3 control signal transfer line 2 stranded after, with polypropylene tape wrapped after; extrude separation sleeve 7; form control signal transfer line unit, as the center framework of composite cable, separation sleeve 7 plays protection control signal transfer line 2.Wherein control signal transfer line 2 comprises conductor 21 and is coated on the outer insulating barrier 22 of conductor, the material of insulating barrier adopts crosslinked polyethylene, make control signal transmit core and can adapt to higher operating temperature and have good insulation performance resistance and fire resistance, and insulating barrier has red, yellow, the green color of distinguishing core.
One group of quantity is 5 power transmission line 1 and the stranded stranding in control signal transfer line unit, and tightens with glass tape is wrapped, extrudes oxygen barrier layer and low smoke and zero halogen oversheath then.Power transmission line 1 comprises conductor 11 and is coated on the outer insulating barrier 12 of conductor, insulating layer material adopts crosslinked polyethylene, make the electric power transfer core can adapt to higher operating temperature and have good electric property and fire resistance, and the insulating barrier color is homochromy and has the Digital ID 0,1,2,3,4 of distinguishing core.
This cable is because the design of separation sleeve makes the construction of cable highly stable; The insulating barrier 22 of electric power transfer line insulating layer 12, signal transfer line 2 adopts the crosslinked polyethylene material, cable adopts glass tape with belt 3, oxygen barrier layer 4 employing oxygen indexs are 38 low-smoke halogen-free material, external sheath layer adopts low-smoke halogen-free material, breaking out of fire make this structural cable have well fire-resistant, fire resistance, even in case can not cause " secondary injury " to the person and equipment.
This structural cable has passed through the category-A requirement of national standard electric wire burning test.
Embodiment 4: see Fig. 4, adopt 4 signal transfer lines and 5 power transmission lines, all the other are with embodiment 3.
More than four embodiment the longest Wushao Ling tunnel of supplying in the Asia, successful solution the Wushao Ling super long tunnel require special technical requirement that power circuit and control signal transmission circuit are integrated, making electric power transfer in the railway tunnel and control signal transmission, illumination functions collection is in the cable, thereby reduce the cables manufacturing operation, reduce the cable testing bridge amount of laying, thereby reduce the engineering overall cost.
Solve simultaneously, if breaking out of fire in the tunnel, cable itself will have fire prevention, flame-retarding characteristic; Cable jacket is in case burning, can make since oversheath when burning the smog that produces and pernicious gas " the secondary harm " that the person and equipment cause is reduced to minimum level.
Claims (6)
1. railway tunnel composite cable, include the several power transmission lines (1) that are used for transmission of electric energy, the several control signal transfer lines (2) that are used for electrical equipment control are stranded in the lump, cable is tightened with belt (3), outer jacket (5) is characterized in that also including between cable is with belt (3) and outer jacket (5) and is provided with oxygen barrier layer (4).
2. railway tunnel composite cable as claimed in claim 1 is characterized in that the described control signal transfer line (2) that is used for electrical equipment control is located at the center of cable, and its external packets is covered with separation sleeve (7).
3. railway tunnel composite cable as claimed in claim 1 or 2 is characterized in that also including and is being used for the power transmission line of transmission of electric energy (1) and is being used for being provided with filler (6) between the control signal transfer line (2) of electrical equipment control.
4. railway tunnel composite cable as claimed in claim 3, it is characterized in that also including described array power transmission line (1) is 4～5 groups; Described several control signal transfer lines (2) are 2～4.
5. railway tunnel composite cable as claimed in claim 4 is characterized in that also including power transmission line (1) and comprises conductor (11) and be coated on the outer insulating barrier (12) of conductor; The insulating barrier (12) of power transmission line (1) has the different colours that is used to distinguish or is printed on the Digital ID that is used to distinguish.
6. railway tunnel composite cable as claimed in claim 5 is characterized in that also including control signal transfer line (2) and comprises conductor (21) and be coated on the outer insulating barrier (22) of conductor; The insulating barrier (22) of control signal transfer line (2) has the different colours that is used to distinguish or is printed on the Digital ID that is used to distinguish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620079405 CN2922070Y (en) | 2006-07-14 | 2006-07-14 | Comprehensive cable for railway tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620079405 CN2922070Y (en) | 2006-07-14 | 2006-07-14 | Comprehensive cable for railway tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2922070Y true CN2922070Y (en) | 2007-07-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620079405 Expired - Fee Related CN2922070Y (en) | 2006-07-14 | 2006-07-14 | Comprehensive cable for railway tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2922070Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102368398A (en) * | 2011-06-28 | 2012-03-07 | 江苏远洋东泽电缆股份有限公司 | Radio connecting cable for ship and manufacturing method thereof |
| CN103606398A (en) * | 2013-11-29 | 2014-02-26 | 无锡江南电缆有限公司 | Cable for urban light rail subway service |
| CN104810082A (en) * | 2014-01-23 | 2015-07-29 | 上海宏胜电线电缆有限公司 | Optical-electric cable capable of coaxially transmitting CATV signals and electric energy |
| CN105336430A (en) * | 2015-11-30 | 2016-02-17 | 无锡江南电缆有限公司 | Animal-control composite cable for urban railway system |
-
2006
- 2006-07-14 CN CN 200620079405 patent/CN2922070Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102368398A (en) * | 2011-06-28 | 2012-03-07 | 江苏远洋东泽电缆股份有限公司 | Radio connecting cable for ship and manufacturing method thereof |
| CN103606398A (en) * | 2013-11-29 | 2014-02-26 | 无锡江南电缆有限公司 | Cable for urban light rail subway service |
| CN104810082A (en) * | 2014-01-23 | 2015-07-29 | 上海宏胜电线电缆有限公司 | Optical-electric cable capable of coaxially transmitting CATV signals and electric energy |
| CN105336430A (en) * | 2015-11-30 | 2016-02-17 | 无锡江南电缆有限公司 | Animal-control composite cable for urban railway system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: TIANSHUI RAILWAY CABLE CO., LTD. Free format text: FORMER NAME: |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 741000 Gansu province Tianshui District No. 4 Jian River Patentee after: Tianshui Railway Cable Works Address before: 741000 Gansu province Tianshui District No. 4 Jian River Patentee before: Tianshui Railway Cable Works |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070711 Termination date: 20140714 |
|
| EXPY | Termination of patent right or utility model |