CN206601974U - 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
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- CN206601974U CN206601974U CN201720162591.1U CN201720162591U CN206601974U CN 206601974 U CN206601974 U CN 206601974U CN 201720162591 U CN201720162591 U CN 201720162591U CN 206601974 U CN206601974 U CN 206601974U
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- Prior art keywords
- resistance
- layer
- compression
- digital signal
- signal cable
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- 230000006835 compression Effects 0.000 title claims abstract description 46
- 238000007906 compression Methods 0.000 title claims abstract description 46
- 230000035939 shock Effects 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 14
- 239000011591 potassium Substances 0.000 claims abstract description 14
- 229910002058 ternary alloy Inorganic materials 0.000 claims abstract description 11
- 230000004888 barrier function Effects 0.000 claims abstract description 10
- 238000005253 cladding Methods 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 239000004020 conductor Substances 0.000 claims abstract description 6
- 238000005187 foaming Methods 0.000 claims abstract description 6
- 239000003086 colorant Substances 0.000 claims abstract description 4
- 229920001971 elastomer Polymers 0.000 claims description 7
- 238000004073 vulcanization Methods 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 5
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 3
- 210000003038 endothelium Anatomy 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000283707 Capra Species 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model, which is created, 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 are coated 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 utility model is created to be selected by rational structure design and material; each hierarchical structure outside cable core acts synergistically jointly; especially the first resistance to compression impact resistance 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 damage, and 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 believed about transmitting control information, monitoring between signalling arrangement and control device
Breath and electric energy, its effect are extraordinary, and it is for ensureing that train and personal security have highly important effect.Common railway
Digital signal cable is poor due to resistance to compression impact resistance, often occurs cable and is squeezed and weighs deformation wounded, the serious matter such as cable core is broken
Amount problem, increases the maintenance cost of railway construction, 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 are coated 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 resistance to compression impact resistance 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 potassium steel steel band that the second described resistance to compression impact resistance screen layer is coated with ternary alloy three-partalloy using surface is wrapped
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 resistance to compression impact resistance 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 damage, 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 damage, 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 is used to explain the invention, does not constitute the improper restriction to 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
Press impact resistance screen layer;13rd, oversheath.
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 ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " 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 indicate
Or imply that the device or element of meaning must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the invention.In addition, 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 " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are 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 be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
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
The PET strip lapping layer 6 that coats successively, first buffer layer 7, the first resistance to compression impact resistance screen layer 8, second buffer layer 9, metallic shield
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 stranded is formed by the insulated single wire 1 of four different colours;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., can be in oversheath and the second resistance to compression impact resistance screen layer in order to effectively suppress damaged by rats
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
Aerial 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 the resistance to compression impact resistance of damage, effectively enhancing cable.
The first above-mentioned resistance to compression impact resistance 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
Screen layer is impacted, makes cable under strong impact, extruding condition, processing hardening phenomenon occurs rapidly for potassium steel top layer, 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, 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 are using vulcanization ceramic-rubber sheath, specifically, vulcanization
Ceramic-rubber is, by high temperature vulcanized, to be made ceramics together with rubber combined, it causes cable to have the insulation of high intensity
Performance and good resistance to compression impact resistance.
The manufacturing process of this cable is:
First, according to demand by the insulated single wire 1 of produced 4 different colours 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 produced is coated into PET strip lapping layer 6, using extruding or
Around-packing technology is 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 of cladding successively of second buffer layer 9, three buffer layer 11, the and of the second resistance to compression impact resistance screen layer 12
Oversheath 13.
It is pointed out that to ensure that the every electricity function index of cable is qualified, 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 damage, 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
The PET strip lapping layer of secondary cladding, 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 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
One resistance to compression impact resistance 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
Belong to screen layer and use 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)
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CN201720162591.1U CN206601974U (en) | 2017-02-22 | 2017-02-22 | A kind of resistance to compression shock resistance type railway digital signal cable |
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CN201720162591.1U CN206601974U (en) | 2017-02-22 | 2017-02-22 | A kind of resistance to compression shock resistance type railway digital signal cable |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106847401A (en) * | 2017-02-22 | 2017-06-13 | 江苏通鼎光电科技有限公司 | A kind of resistance to compression shock resistance type railway digital signal cable |
CN110504054A (en) * | 2019-08-29 | 2019-11-26 | 南京思甲宁新材料科技有限公司 | A kind of crushing resistance flexible cable and its preparation process |
-
2017
- 2017-02-22 CN CN201720162591.1U patent/CN206601974U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106847401A (en) * | 2017-02-22 | 2017-06-13 | 江苏通鼎光电科技有限公司 | A kind of resistance to compression shock resistance type railway digital signal cable |
CN110504054A (en) * | 2019-08-29 | 2019-11-26 | 南京思甲宁新材料科技有限公司 | A kind of crushing resistance flexible cable and its preparation process |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171031 |
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