CN209447611U - A kind of cracking resistant type railway signal cable - Google Patents
A kind of cracking resistant type railway signal cable Download PDFInfo
- Publication number
- CN209447611U CN209447611U CN201822096080.1U CN201822096080U CN209447611U CN 209447611 U CN209447611 U CN 209447611U CN 201822096080 U CN201822096080 U CN 201822096080U CN 209447611 U CN209447611 U CN 209447611U
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- Prior art keywords
- layer
- railway signal
- cable
- signal cable
- resistant type
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- Expired - Fee Related
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- 238000005336 cracking Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 25
- 238000009954 braiding Methods 0.000 claims abstract description 21
- 238000009413 insulation Methods 0.000 claims abstract description 20
- 239000003063 flame retardant Substances 0.000 claims abstract description 11
- 150000001875 compounds Chemical class 0.000 claims abstract description 10
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 9
- 239000004917 carbon fiber Substances 0.000 claims abstract description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000835 fiber Substances 0.000 claims abstract description 8
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000003475 lamination Methods 0.000 claims abstract description 3
- 239000004020 conductor Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 13
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000004411 aluminium Substances 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 229920001903 high density polyethylene Polymers 0.000 claims description 6
- 239000004700 high-density polyethylene Substances 0.000 claims description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000395 magnesium oxide Substances 0.000 claims description 5
- 238000004513 sizing Methods 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 229910052736 halogen Inorganic materials 0.000 claims description 4
- 150000002367 halogens Chemical class 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 claims description 2
- 239000012774 insulation material Substances 0.000 claims description 2
- 238000007906 compression Methods 0.000 abstract description 5
- 230000006835 compression Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 2
- 230000036314 physical performance Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000003490 calendering Methods 0.000 description 3
- 238000007759 kiss coating Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 241000283984 Rodentia Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000003878 thermal aging Methods 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model relates to a kind of cracking resistant type railway signal cables, it from inside to outside successively include cable core, cable core belting layer, thermal insulation layer, shielded layer, inner cushion layer, armor and oversheath, wherein thermal insulation layer, inner cushion layer and oversheath are merged to be formed by calender lamination technique by braiding layer outside braiding layer in Kafra fiber, carbon fiber wire and process wire compound layer.The utility model cracking resistant type railway signal cable is manufactured and is easy, at low cost, with reliable shielding, fire-retardant, resistance to compression, tension, humidity resistance, sheath does not crack by rationally designing to the construction of cable；And the organic unity of electrical property, flame retardant property and mechanical and physical performance is preferably realized, the operational safety of train can be effectively ensured.
Description
Technical field
The utility model belongs to technical field of cable production, in particular to a kind of cracking resistant type railway signal cable.
Background technique
All the time, cable jacket cracking quality accident happen occasionally, cable cover(ing) once cracks, rainwater and
Moisture will enter cable inside, make cable electrical performance decline, accelerate cable insulation aging and metal material oxidation and
Corrosion, gently then causes train temporary parking, heavy then cause irremediable train safety accident.
The anti-cracking performance of cable is improved using improved materials formula in the past, such method cannot fundamentally solve to ask
Topic, the cable especially laid under some adverse circumstances, such as hard object is more, cable is chronically exposed to outer and severe cold area field
It closes, often requires that cable has superior tension, resistance to compression, cracking resistance, bending property and mechanical strength.Therefore, to existing railway
Signal cable structure carries out further technological innovation and has become what the trend requires.
Utility model content
The purpose of this utility model is that in order to solve the above problem, it is simple that the utility model provides a kind of structure, design rationally,
Railway signal cable with superior tension, resistance to compression, cracking resistance, bending property and mechanical strength.
According to the utility model, provide a kind of cracking resistant type railway signal cable, the railway signal cable from inside to outside according to
It is secondary include cable core, cable core belting layer, thermal insulation layer, shielded layer, inner cushion layer, armor and oversheath, wherein thermal insulation layer, inner cushion layer and
Oversheath passes through calender lamination technique by braiding layer outside braiding layer in Kafra fiber, carbon fiber wire and process wire compound layer
Merge and is formed.
Wherein, sizing material is the cold-resistant low cigarette protective cover material of high-flame-retardanthalogen-free halogen-free.
Wherein, process wire compound layer is to be distributed in glue along several steel wires that railway signal cable length direction extends
It is formed in material.
Wherein, cable core includes a conducting wire group or mutually twisted several conducting wire groups, and each conducting wire group is to be twisted by conducting wire
Close formed to line group and quad.
Wherein, conducting wire includes conductor and the insulating layer that is arranged in outside conductor, and insulating layer is HDPE insulating material.
Wherein, cable core belting layer is wrapped using Halogen glass fiber tape bilayer, every layer of overlap rate >=60%.
Wherein, armor is mesh grid made of zinc-coated wire braiding.
Wherein, it is filled with fire retardant magnesia between thermal insulation layer and shielded layer, forms flame retardant layer；Shielded layer is aluminium sheath
Shielded layer；The twisting pitch of the line group of cable core is 35~55 times of conductor assembly outer diameter.
The utility model cracking resistant type railway signal cable, by rationally designing to the construction of cable, it is easy to manufacture, at
This is low, has reliable shielding, fire-retardant, resistance to compression, tension, humidity resistance, and sheath does not crack；And preferably realize electrical property,
The operational safety of train can be effectively ensured in the organic unity of flame retardant property and mechanical and physical performance.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 shows the sectional view of the cracking resistant type railway signal cable according to the utility model embodiment.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
The utility model provides a kind of cracking resistant type railway signal cable, which successively includes from inside to outside
Cable core 1, cable core belting layer 5, thermal insulation layer 6, shielded layer 8, inner cushion layer 9, armor 10 and oversheath 11, wherein thermal insulation layer 5, interior pad
Layer 9 and oversheath 11 by braiding layer outside braiding layer in Kafra fiber and carbon fiber wire and process wire compound layer pass through calendering
Attaching process merges to be formed.
Steel wire compound layer by several steel wires after kiss-coating, outside braiding layer in the Kafra fiber after kiss-coating and carbon fiber wire
It is formed after braiding layer calendering.Preferably, in Kafra fiber braiding layer with a thickness of 3~10mm, the outer braiding layer of carbon fiber wire
With a thickness of 5~10mm.The steel wire of process wire compound layer selects galvanized copper steel wire, and gauge of wire is 0.5~2mm.
Thermal insulation layer 6, inner cushion layer 9 and oversheath 11 are the method system for being unified three structure sheaf calenderings using rubberizing
It is standby, it is able to ascend resistance to compression, the tensile capacity of railway signal cable, oversheath is made not crack.It is preferable to use cold-resistant high fire-retardances for sizing material
Low smoke, zero halogen protective cover material can enhance the flame retardant property of cable itself while promoting the mechanical performance of railway signal cable.
Cable core 1 includes a conducting wire group 2 or mutually twisted several conducting wire groups 2, and each conducting wire group 2 is by wire stranding
Formed to line group and quad.Conducting wire includes conductor 3 and the insulating layer 4 that is arranged in outside conductor, and insulating layer 4 is high-density polyethylene
Alkene Insulation Material, the insulating layer 4 outside different conductors 3 can be distinguished by the way that different colours are arranged.High density polyethylene (HDPE) insulation
The resisting environmental stress and cracking test (degradation) of material is greater than 500 hours, and low density polyethylene (LDPE) is only 48 hours.Such insulation
Moisture permeability, mechanical strength, wear resistance and the anti-aging property of layer obviously higher than other types of polyethylene and its cleanliness it is high,
Dielectricity is good, dielectric loss and dielectric constant are small.Insulating layer 4 with a thickness of 0.2~1.0mm.In a specific embodiment,
Conductor 3 is copper conductor, a diameter of 0.5~1.5mm.
Cable core belting layer 5 is wrapped using Halogen glass fiber tape bilayer, every layer of overlap rate >=60%.Cable core belting layer is set
Set not still cable have high flame-retardant property, and have good protection against rodents effect.
Shielded layer 8 is aluminium sheath shielded layer.Magnesia flame retardant layer is provided between thermal insulation layer and shielding aluminium sheath.Occur
When fire, by the protection of aluminium sheath and filling magnesia, cable will not stretch burning, and extraneous flare will not burn cable core,
Staff can in time safeguard cable, reduce train safety coefficient.
Steel wire woven armored layer 10 is the mesh grid made of zinc-coated wire is woven by weaving, zinc-coated wire
Diameter can be selected according to the size of the outside diameter of cable according to 2952 standard requirements of GB/T.
When making this cable, native copper line is drawn into the copper conductor for meeting technical requirements using wire drawing extrusion molding tandem production line
3, and conducting wire is made in one layer insulating 4 of extrusion molding outside conductor.Produced 2 or 4 conducting wires are used according to demand later
High speed star quadding machine is made by twisting conducting wire group 2, i.e., to line group and quad.Several pairs of line groups or quad are used into machine for making cable high-speedly
It is made by twisting cable core 1 together, and tows in cable core 1 outer cladding, one layer of cable core belting layer 5, then by preprepared internal layer Kev
Tie up braiding layer, process wire compound layer, the sheath film of outer layer carbon fiber wire braiding layer three laminated one using joint process by its
It is coated on outside cable core belting layer and thermal insulation layer 6 is made, then using fill process and argon arc welding continuous welding process in thermal insulation layer 6 outer one
The production of magnesia and aluminium sheath shielded layer 8 is completed in secondary molding.It is intermediate by preprepared internal layer Kafra fiber braiding layer
The sheath film of steel wire compound layer, outer layer carbon fiber wire braiding layer three laminated one is coated on aluminium sheath screen using joint process
The production for completing inner cushion layer 9 outside layer is covered, layer of steel wire braiding is coated using weaving outside inner cushion layer with zinc-coated wire later
Armor 10, and it is outer by preprepared internal layer Kafra fiber braiding layer, process wire glue in steel wire woven armored layer 10
The bed of material, outer layer carbon fiber wire braiding layer three laminated one sheath film one layer of oversheath 11 is coated using joint process this is made
A kind of railway signal cable of cracking resistant type of utility model.
In a preferred embodiment, the sizing material when the kiss-coating of thermal insulation layer film, inner cushion layer film and oversheath film
Temperature be 95~105 DEG C, when roller temperature in calender line is 110~115 DEG C, make this three-layered node tile anti-cracking ability and
The comprehensive realization of machine capability is optimal.
In addition, in process of production, wired group of institute is necessary in cable core 1 to ensure that cable items electricity function index is qualified
Uniform tension in order is kept, the setting range of the stranding twisting pitch of conducting wire group is 35~55 times of conductor assembly outer diameter.
As shown in Figure 1, railway signal cable A is made using the above method, wherein the cable core of railway signal cable A has two
A quad is twisted.Each quad is formed by four wire strandings, outside the copper conductor that each wire is 1mm by diameter
The insulating layer of cladding 0.6mm is formed.The overlap rate of the cable core belting layer 5 of railway signal cable A is 70%, and shielded layer is aluminium shield
Shielded layer is covered, insulating layer is equipped between thermal insulation layer and shielded layer.The production of thermal insulation layer film, inner cushion layer film and oversheath film
In the process, the temperature of sizing material is 100 DEG C, and the roller temperature in calender line is 110 DEG C.
Intercepted length is that the railway signal cable A sample of 50cm is tested, and test process and result are as follows.
Twisting screws test: power is screwed to sample application 4kg, to have knotting effect at the every 1cm of cable sample when twisting
When, twist direction is left-handed.
Test result are as follows: screw and finish, oversheath is normal, without crackle and cracking phenomena, illustrates railway signal cable A
Anti- impact capacity is screwed with good.
The test of high temperature pressure cracking resistance: continuing for cable sample to be crimped on test bar, crimp force 6kg, curling circle
Number is 7 circles, and the diameter of guarantee test stick is 2 times of the diameter of signal cable A sample.Test bar is put into thermal aging oven and is carried out
Test.
Test result are as follows: without cracking phenomena, show that the temperature resistant grade of cable sample is 125 DEG C, illustrate the railway for 20 minutes
Signal cable A has good heat-resistant impact ability.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with
Subject to the scope of protection of the claims.
Claims (8)
1. a kind of cracking resistant type railway signal cable, which is characterized in that the railway signal cable successively includes cable from inside to outside
Core (1), cable core belting layer (5), thermal insulation layer (6), shielded layer (8), inner cushion layer (9), armor (10) and oversheath (11), wherein
The thermal insulation layer (6), the inner cushion layer (9) and the oversheath (11) by braiding layer in Kafra fiber, carbon fiber wire outside
Braiding layer and process wire compound layer merge to be formed by calender lamination technique.
2. cracking resistant type railway signal cable as described in claim 1, which is characterized in that
The cable core (1) includes a conducting wire group (2) or mutually twisted several conducting wire groups (2), each conducting wire group (2)
For by wire stranding formed to line group and quad.
3. cracking resistant type railway signal cable as claimed in claim 2, which is characterized in that
The conducting wire includes conductor (3) and the insulating layer (4) being arranged in outside conductor, and the insulating layer (4) is high density polyethylene (HDPE)
Insulation Material.
4. cracking resistant type railway signal cable as described in claim 1, which is characterized in that
The process wire compound layer is to be distributed in glue along several steel wires that the railway signal cable length direction extends
It is formed in material.
5. cracking resistant type railway signal cable as claimed in claim 4, which is characterized in that
The sizing material is the cold-resistant low cigarette protective cover material of high-flame-retardanthalogen-free halogen-free.
6. cracking resistant type railway signal cable as described in claim 1, which is characterized in that
The cable core belting layer (5) is wrapped using Halogen glass fiber tape bilayer, every layer of overlap rate >=60%.
7. cracking resistant type railway signal cable as described in claim 1, which is characterized in that
The armor is mesh grid made of zinc-coated wire braiding.
8. cracking resistant type railway signal cable as described in claim 1, which is characterized in that
It is filled with fire retardant magnesia between the thermal insulation layer (6) and shielded layer (8), is formed flame retardant layer (7)；The shielded layer
It (8) is aluminium sheath shielded layer；The twisting pitch of the conducting wire group of the cable core (1) is 35~55 times of conductor assembly outer diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822096080.1U CN209447611U (en) | 2018-12-13 | 2018-12-13 | A kind of cracking resistant type railway signal cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822096080.1U CN209447611U (en) | 2018-12-13 | 2018-12-13 | A kind of cracking resistant type railway signal cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209447611U true CN209447611U (en) | 2019-09-27 |
Family
ID=68014050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822096080.1U Expired - Fee Related CN209447611U (en) | 2018-12-13 | 2018-12-13 | A kind of cracking resistant type railway signal cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209447611U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109585085A (en) * | 2018-12-13 | 2019-04-05 | 江苏通鼎光电科技有限公司 | Cracking resistant type railway signal cable and preparation method thereof |
-
2018
- 2018-12-13 CN CN201822096080.1U patent/CN209447611U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109585085A (en) * | 2018-12-13 | 2019-04-05 | 江苏通鼎光电科技有限公司 | Cracking resistant type railway signal cable and preparation method thereof |
| CN109585085B (en) * | 2018-12-13 | 2024-06-25 | 江苏通鼎光电科技有限公司 | Cracking-resistant railway signal cable and manufacturing method thereof |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190927 |
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| CF01 | Termination of patent right due to non-payment of annual fee |