CN106847401A - A kind of resistance to compression shock resistance type railway digital signal cable - Google Patents
A kind of resistance to compression shock resistance type railway digital signal cable Download PDFInfo
- Publication number
- CN106847401A CN106847401A CN201710096818.1A CN201710096818A CN106847401A CN 106847401 A CN106847401 A CN 106847401A CN 201710096818 A CN201710096818 A CN 201710096818A CN 106847401 A CN106847401 A CN 106847401A
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- China
- Prior art keywords
- resistance
- layer
- digital signal
- compression
- signal cable
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0225—Three or more layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- Insulated Conductors (AREA)
Abstract
The invention provides a kind of resistance to compression shock resistance type railway digital signal cable, including PET strip lapping layer, first buffer layer, the first resistance to compression impact resistance screen layer, second buffer layer, metal screen layer, three buffer layer, the second resistance to compression impact resistance screen layer and the oversheath that cable core and its outside coat successively from the inside to the outside；Cable core includes at least one quad, and quad stranded is formed by the insulated single wire of four different colours；Insulated single wire includes the insulating barrier of conductor and its outside cladding；Insulating barrier is the endothelium foaming three-layer co-extruded structure of crust.The invention is selected by rational structure design and material; each hierarchical structure outside cable core acts synergistically jointly; especially the first anti-impact resistance pressure screen layer employs the potassium steel pipe that surface is coated with ternary alloy three-partalloy; second resistance to compression impact resistance screen layer employs the potassium steel steel band lapping layer that surface is coated with ternary alloy three-partalloy; cable core is protected from damaging, and causes that the resistance to compression impact resistance of cable is protruded very much.
Description
Technical field
The invention belongs to cable manufacturing technology field, more particularly, to a kind of resistance to compression shock resistance type railway digital
Signal cable.
Background technology
Railway digital signal cable as railway train control automatics and train overspeed protection system ground installation, microcomputer interlocking,
Microcomputer detecting system, high-power electric goat etc. are about transmitting control information, monitoring letter between signalling arrangement and control device
Breath and electric energy, its effect are extraordinary, and it has highly important effect for ensureing train and personal security.Common railway
Digital signal cable is poor due to resistance to compression impact resistance, cable often occurs and is squeezed and weighs deformation wounded, the serious matter such as cable core breaks
Amount problem, increases the maintenance cost of railway construction, and bomb has been buried safely to train.Need a kind of safe and reliable railway digital badly
Signal cable, to adapt to severe construction of railways and use environment, improves safety of railway traffic.
The content of the invention
In view of this, the invention is intended to overcome defect present in above-mentioned prior art, proposes a kind of resistance to punching of resistance to compression
Hit numeral signal cables for railway.
To reach above-mentioned purpose, what the technical scheme of the invention was realized in：
A kind of resistance to compression shock resistance type railway digital signal cable, including cable core and its outside coat successively from the inside to the outside
PET strip lapping layer, first buffer layer, the first resistance to compression impact resistance screen layer, second buffer layer, metal screen layer, three buffer layer,
Second resistance to compression impact resistance screen layer and oversheath；The cable core includes at least one quad, and the quad is by four differences
The insulated single wire of color is stranded to be formed；The insulated single wire includes the insulating barrier of conductor and its outside cladding；The insulating barrier is
Endothelium-three-layer co-extruded the structure of foaming-crust.
Further, described endothelium, exodermis are vulcanization ceramic-rubber insulation.
Further, described foaming layer is polyurethane foaming layer.
Further, the first buffer layer, second buffer layer, three buffer layer use polyurethane elastomer foamed damping
Layer.
Further, the first described anti-impact resistance pressure screen layer is coated with the potassium steel pipe of ternary alloy three-partalloy using surface.
Further, described metal screen layer uses aluminium sheath, composite sheath or copper strip shielding.
Further, the second described resistance to compression impact resistance screen layer is wrapped using the potassium steel steel band that surface is coated with ternary alloy three-partalloy
Layer.
Further, described oversheath is using vulcanization ceramic-rubber sheath.
Relative to prior art, the invention has the advantage that：
1) the invention is selected by rational structure design and material, and each hierarchical structure outside cable core cooperates with work jointly
With especially the first anti-impact resistance pressure screen layer employs the potassium steel pipe that surface is coated with ternary alloy three-partalloy, the second resistance to compression impact resistance
Screen layer employs the potassium steel steel band lapping layer that surface is coated with ternary alloy three-partalloy, protects cable core from damaging, and cause cable
Resistance to compression impact resistance is protruded very much.
2) first buffer layer, second buffer layer, three buffer layer are using polyurethane elastomer foamed damping layer, processing charges
With characteristics such as low, intensity high, elongation is good, high resiliency, wear-resisting, impact resistances, protect cable core from damaging, effectively strengthen cable
Resistance to compression impact resistance.
Brief description of the drawings
The accompanying drawing for constituting the part of the invention is used for providing further understanding the invention, present invention wound
The schematic description and description made does not constitute the improper restriction to the invention for explaining the invention.
In accompanying drawing：
Fig. 1 is the structural representation of the invention.
Description of reference numerals：
1st, insulated single wire；2nd, conductor；3rd, insulating barrier；4th, quad；5th, cable core；6th, PET strip lapping layer；7th, the first buffering
Layer；8th, the first resistance to compression impact resistance screen layer；9th, second buffer layer；10th, metal screen layer；11st, three buffer layer；12nd, second resists
Pressure impact resistance screen layer；13rd, oversheath.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the invention can
To be mutually combined.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the invention and simplifies description, rather than instruction
Or imply that the device or element of meaning with specific orientation, with specific azimuth configuration and operation, therefore must not be understood that
It is the limitation to the invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In the description of the invention, unless separately
It is described, " multiple " is meant that two or more.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in the description of the invention
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
Can be two connections of element internal.For the ordinary skill in the art, can be by concrete condition understanding
State concrete meaning of the term in the invention.
Describe the invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
A kind of resistance to compression shock resistance type railway digital signal cable, as shown in figure 1, including cable core 5 and its outside from the inside to the outside
PET strip lapping layer 6, first buffer layer 7, the first resistance to compression impact resistance screen layer 8, second buffer layer 9, metallic shield for coating successively
Layer 10, three buffer layer 11, the second resistance to compression impact resistance screen layer 12 and oversheath 13；The cable core includes at least one quad
4, the quad 4 is formed by four insulated single wires of different colours 1 are stranded；The insulated single wire 1 includes conductor 2 and its outside
The insulating barrier 3 of cladding；The insulating barrier 3 is endothelium-three-layer co-extruded structure of foaming-crust.Above-mentioned metal screen layer 10 is used
Aluminium sheath, composite sheath or copper strip shielding.In order to effectively suppress damaged by rats, can be in oversheath and the second resistance to compression impact resistance screen layer
Between set one layer of armor, specifically, can be metal armor layers.
Above-mentioned foaming layer is polyurethane foaming layer.Insulating resistance of cable can be improved, the sending allowance of cable is reduced, reduced
The mutual capacitance of cable, cable security reliability is high.In addition, in an optional embodiment, can be in quad and PET strip
Earial drainage wire is set between lapping layer, the safety and reliability that cable is used is improved.
Above-mentioned first buffer layer 7, second buffer layer 9, three buffer layer 11 use polyurethane elastomer foamed damping layer,
The spies such as processing charges is low, intensity is high, elongation is good, high resiliency (load support capacity is big, good damping effect), wear-resisting, impact resistance
Property, cable core is protected from damaging, effectively the resistance to compression impact resistance of enhancing cable.
The first above-mentioned anti-impact resistance pressure screen layer 8 is coated with the potassium steel pipe of ternary alloy three-partalloy using surface.Second resistance to compression is resistance to
Impact screen layer 12 is coated with the potassium steel steel band lapping layer of ternary alloy three-partalloy using surface.The resistance to compression for being used as cable from potassium steel is resistance to
Impact screen layer, makes cable under strong impact, extruding condition, and potassium steel top layer occurs rapidly processing hardening phenomenon, makes it
The good toughness and plasticity of austenite is still kept in center portion, meanwhile, hardened layer has good anti-wear performance.In the table of potassium steel
Face is coated with ternary alloy three-partalloy, is used to protect potassium steel not oxidized in itself, strengthens the shielding properties of cable.
The endothelium and exodermis and oversheath of above-mentioned insulating barrier use vulcanization ceramic-rubber sheath, specifically, vulcanization
Ceramic-rubber is, by high temperature vulcanized, to be made ceramics together with rubber combined, and it causes that cable has the insulation of high intensity
Performance and good resistance to compression impact resistance.
The manufacturing process of this cable is：
First, 4 insulated single wires of different colours 1 that will have been produced according to demand carry out it is stranded after, outside it coat
Polyester yarn, makes quad；
Further according to demand, the outside of at least one quad 4 that will have been produced cladding PET strip lapping layer 6, using extruding or
Around-packing technology in cable core outer cladding first buffer layer 7, then using argon arc welding continuous welding process in the outer cladding of first buffer layer 7
First resistance to compression impact resistance screen layer 8, using extruding or around-packing technology is buffered in the outer cladding second of the first resistance to compression impact resistance screen layer 8
Layer 9, in the outer metal screen layer 10, three buffer layer 11 of cladding successively of second buffer layer 9, the and of the second resistance to compression impact resistance screen layer 12
Oversheath 13.
It is pointed out that qualified to ensure cable items electricity function index, in process of production, institute is wired in cable core
Group must keep uniform tension in order, and the setting scope of the twisting pitch of insulated single wire and line group is 35~55 times of conductor assembly outer diameter.
The invention is selected by rational structure design and material, and each hierarchical structure outside cable core cooperates with work jointly
With, cable core is protected from damaging, and so that the resistance to compression impact resistance of cable is protruded very much.
The preferred embodiment of the invention is the foregoing is only, creation is not intended to limit the invention, it is all at this
Within the spirit and principle of innovation and creation, any modification, equivalent substitution and improvements made etc. should be included in the invention
Protection domain within.
Claims (8)
1. a kind of resistance to compression shock resistance type railway digital signal cable, it is characterised in that：Including cable core and its outside from the inside to the outside according to
PET strip lapping layer, first buffer layer, the first resistance to compression impact resistance screen layer, second buffer layer, metal screen layer, of secondary cladding
Three buffer layer, the second resistance to compression impact resistance screen layer and oversheath；The cable core include at least one quad, the quad by
The insulated single wire of four different colours is stranded to be formed；The insulated single wire includes the insulating barrier of conductor and its outside cladding；It is described
Insulating barrier is endothelium-three-layer co-extruded structure of foaming-crust.
2. a kind of resistance to compression shock resistance type railway digital signal cable according to claim 1, it is characterised in that：Described is interior
Skin, exodermis are vulcanization ceramic-rubber insulation.
3. a kind of resistance to compression shock resistance type railway digital signal cable according to claim 1, it is characterised in that：Described hair
Alveolar layer is polyurethane foaming layer.
4. a kind of resistance to compression shock resistance type railway digital signal cable according to claim 1, it is characterised in that：Described first
Cushion, second buffer layer, three buffer layer are using polyurethane elastomer foamed damping layer.
5. a kind of resistance to compression shock resistance type railway digital signal cable according to claim 1, it is characterised in that：Described
Primary antibody impact resistance pressure screen layer is coated with the potassium steel pipe of ternary alloy three-partalloy using surface.
6. a kind of resistance to compression shock resistance type railway digital signal cable according to claim 1, it is characterised in that：Described gold
Category screen layer uses aluminium sheath, composite sheath or copper strip shielding.
7. a kind of resistance to compression shock resistance type railway digital signal cable according to claim 1, it is characterised in that：Described
Two resistance to compression impact resistance screen layers are coated with the potassium steel steel band lapping layer of ternary alloy three-partalloy using surface.
8. a kind of resistance to compression shock resistance type railway digital signal cable according to claim 1, it is characterised in that：Described is outer
Sheath is using vulcanization ceramic-rubber sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710096818.1A CN106847401A (en) | 2017-02-22 | 2017-02-22 | A kind of resistance to compression shock resistance type railway digital signal cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710096818.1A CN106847401A (en) | 2017-02-22 | 2017-02-22 | A kind of resistance to compression shock resistance type railway digital signal cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106847401A true CN106847401A (en) | 2017-06-13 |
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ID=59134857
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710096818.1A Pending CN106847401A (en) | 2017-02-22 | 2017-02-22 | A kind of resistance to compression shock resistance type railway digital signal cable |
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| CN (1) | CN106847401A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110197744A (en) * | 2019-05-31 | 2019-09-03 | 江苏鸿翔电缆有限公司 | A kind of multicore strand insulation high computer cable |
| CN113504617A (en) * | 2021-05-31 | 2021-10-15 | 江苏通鼎光电科技有限公司 | Water-blocking optical cable with high pressure resistance and high impact resistance |
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| CN110197744A (en) * | 2019-05-31 | 2019-09-03 | 江苏鸿翔电缆有限公司 | A kind of multicore strand insulation high computer cable |
| CN110197744B (en) * | 2019-05-31 | 2024-03-26 | 江苏鸿翔电缆有限公司 | Multi-core stranded insulating computer cable |
| CN113504617A (en) * | 2021-05-31 | 2021-10-15 | 江苏通鼎光电科技有限公司 | Water-blocking optical cable with high pressure resistance and high impact resistance |
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Application publication date: 20170613 |
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