CN209071023U - A kind of anti-extrusion cable of urban track traffic communication - Google Patents

A kind of anti-extrusion cable of urban track traffic communication Download PDF

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Publication number
CN209071023U
CN209071023U CN201821706126.0U CN201821706126U CN209071023U CN 209071023 U CN209071023 U CN 209071023U CN 201821706126 U CN201821706126 U CN 201821706126U CN 209071023 U CN209071023 U CN 209071023U
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CN
China
Prior art keywords
hole
protective layer
interior protective
protecting tube
protection coating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201821706126.0U
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Chinese (zh)
Inventor
马良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Wuyue Technology Co Ltd
Original Assignee
Sichuan Wuyue Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sichuan Wuyue Technology Co Ltd filed Critical Sichuan Wuyue Technology Co Ltd
Priority to CN201821706126.0U priority Critical patent/CN209071023U/en
Application granted granted Critical
Publication of CN209071023U publication Critical patent/CN209071023U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of urban track traffics to communicate anti-extrusion cable, including surrounding layer, shielded layer, protecting tube, interior protective layer, external protection coating, several communication conductors and three electrical leads;Protecting tube is flexible hose, outer to be successively enclosed with interior protective layer, shielded layer, external protection coating and surrounding layer, and the intensity of protecting tube is greater than the intensity of interior protective layer and external protection coating;External protection coating and interior protective layer are provided with several inclined power holes, and each inclined power hole is through the through-hole to arrangement;It is provided with several wire arrangements holes in protecting tube, to the through-hole of arrangement, communication conductor one-to-one correspondence is arranged in wire arrangements hole wire arrangements Kong Weijing, is filled with insulation filler between communication conductor and the inner wall in wire arrangements hole;Electrical lead is through to being set in interior protective layer.Compared with prior art, which has better anti-extrusion ability.

Description

A kind of anti-extrusion cable of urban track traffic communication
Technical field
The utility model belongs to rail traffic communications facility field, specifically, being that be related to a kind of urban track traffic logical Believe anti-extrusion cable.
Background technique
The urban track traffic communications field, it is higher to the mechanical property requirements of cable, adapting to be trampled, squeezing, stretching, Hit and construction when dragging situations such as, the cable poor for mechanical performance, the core of intermediate position is vulnerable to indirect Active force and damage, and then influence data transmission capabilities.The anti-extrusion cable type of current communication is various, but mostly uses It is spaced apart by insulation buffer layer by hard portions in cable are, wrapped multiple insulating protective layer later, the cable of this structure, Although having certain anti-extrusion ability, but whether outside cable by great extruding force in the case where, core is always It will receive more indirect extrusion power, this results in core in the case where being squeezed for a long time, is still easier to damage.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides that a kind of urban track traffic communication is anti-to squeeze Voltage cable.
The utility model achieves the above object through the following technical schemes:
A kind of urban track traffic communicates anti-extrusion cable, including surrounding layer, shielded layer, protecting tube, interior protective layer, outer anti- Sheath, several communication conductors and three electrical leads;
The protecting tube is flexible hose, the outer interior protective layer, shielded layer, described of being successively enclosed with External protection coating and the surrounding layer, the intensity of the protecting tube are greater than the intensity of the interior protective layer and the external protection coating;
The external protection coating and the interior protective layer are provided with several inclined power holes, and each inclined power hole is through leading to arrangement Hole;
Be provided with several wire arrangements holes in the protecting tube, through-hole from the wire arrangements Kong Weijing to arrangement, it is described Communication conductor one-to-one correspondence is arranged in the wire arrangements hole, between the communication conductor and the inner wall in the wire arrangements hole It is filled with insulation filler;
The electrical lead is through to being set in the interior protective layer.
As a kind of technical solution of this patent selection, the material of the insulation filler and the interior protective layer is poly- Ethylene, the material of the external protection coating are ethylene-tetrafluoroethylene copolymer.
As a kind of technical solution of this patent selection, the inclined power hole is arcuate socket, and the wire arrangements hole is sector Hole, the corner portion in the inclined power hole and the wire arrangements hole is rounded structure.
As a kind of technical solution of this patent selection, the inclined power hole of the external protection coating, the interior protective layer inclined power Kong Jun circumferential direction centered on the protecting tube is evenly arranged.
Compared with prior art, the utility model has the following beneficial effects:
The cable can be good at playing mechanical protection to communication conductor by external protection coating, interior protective layer and protecting tube Effect, the design in inclined power hole can shift the action direction of non-radial power;The high intensity relatively of protecting tube also ensures that communication is led Line is in the environment that one is not influenced relatively by extraneous extruding force, and designed each wire arrangements hole, makes in protecting tube It is distinct for obtaining between each communication conductor, there is no direct mutual extrusion power between each communication conductor, is improved anti- The anti-extrusion ability of communication conductor when pillar is deformed.
Detailed description of the invention
Fig. 1 is the cross section structural schematic diagram that urban track traffic described in the utility model communicates anti-extrusion cable;
In above-mentioned attached drawing, the corresponding component names of appended drawing reference are as follows:
1- surrounding layer, 2- insulation filler, 3- communication conductor, protective layer in 4-, the inclined power hole 5-, 6- electrical lead, 7- are anti- Pillar, 8- external protection coating, the inclined power hole 9-, 10- wire arrangements hole.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in connection with fig. 1, the utility model include surrounding layer 1, shielded layer, protecting tube 7, interior protective layer 4, external protection coating 8, Several communication conductors 3 and three electrical leads 6;
Protecting tube 7 is flexible hose, it is outer be successively enclosed with interior protective layer 4, shielded layer, external protection coating 8 and Surrounding layer 1, the intensity of protecting tube 7 are greater than the intensity of interior protective layer 4 and external protection coating 8;
External protection coating 8 and interior protective layer 4 are provided with several inclined power holes, and each inclined power hole is through the through-hole to arrangement;
Several wire arrangements holes 10 are provided in protecting tube 7, wire arrangements hole 10 is through the through-hole to arrangement, communication conductor 3 one-to-one correspondence are arranged in wire arrangements hole 10, are filled with insulation filling between communication conductor 3 and the inner wall in wire arrangements hole 10 Object 2;
Electrical lead 6 is through to being set in interior protective layer 4.
In the present embodiment, the material of insulation filler 2 and interior protective layer 4 is polyethylene, and the material of external protection coating 8 is second Alkene-TFE copolymer, such material had both had preferable damping, buffering performance, and anti-pressure ability is also high.
In the present embodiment, inclined power hole is arcuate socket, and wire arrangements hole 10 is scallop hole, in inclined power hole and wire arrangements hole 10 Corner portion be rounded structure, rounded structure can avoid the stress when being squeezed and excessively concentrate.
In the present embodiment, inclined power hole 9, the inclined power hole 5 of interior protective layer 4 of external protection coating 8 are circumferential centered on protecting tube 7 It is evenly arranged, so that extruding force more can uniformly be scattered in the various pieces of cable when being squeezed.
The working principle of the utility model is as follows:
Insulation filler 2 in the external protection coating 8 of the cable, interior protective layer 4, protecting tube 7 and protecting tube 7 is as communication The main anti-extrusion safeguard structure of conducting wire 3 mainly passes through external protection coating 8,4 damping of interior protective layer when cable is squeezed power And dispersion extruding force, the intensity of protecting tube 7 is high relative to external protection coating 8 and interior protective layer 4, and the extruding force of dispersion can be compared with Uniformly to act on the periphery of protecting tube 7, protecting tube 7 is unlikely to deform, so that communication conductor 3 is not easily susceptible to squeeze Power;
When the extruding force direction suffered by the cable is non-radial power, inclined power hole generates non-radial deformation, can be preferable Transfer cable Impact direction, the indirectly-acting for avoiding the component of extruding force excessive is on protecting tube 7, thus to communication conductor 3 play certain protective action;
If indirect extrusion power suffered by protecting tube 7 it is excessive and it is heterogeneous act on its periphery, protecting tube 7 Relatively easy deformation, insulation filler 2 preferably plays protective action to communication conductor 3 at this time, and protecting tube 7 is with certain The hose of mechanical return ability can restore its shape automatically after compared with small deformation, and extruding force suffered by general cable will not The case where very big, therefore the deformation that can not restore occurs in protecting tube 7, will not occur substantially;
It is to separate design, therefore there is no direct mutual extrusion power between them between communication conductor 3, further The normal use that ensure that communication conductor 3.
According to above embodiment, the utility model can be realized well.It is worth noting that being set based on above structure Under the premise of meter, to solve same technical problem, even if made on the utility model it is some without substantive change or Polishing, the essence of used technical solution is still as the utility model, therefore it should also be as the protection in the utility model In range.

Claims (4)

1. a kind of urban track traffic communicates anti-extrusion cable, including surrounding layer, shielded layer, several communication conductors and three electricity Power conducting wire, which is characterized in that further include protecting tube, interior protective layer and external protection coating;
The protecting tube is flexible hose, the outer interior protective layer, shielded layer, described outer anti-of being successively enclosed with Sheath and the surrounding layer, the intensity of the protecting tube are greater than the intensity of the interior protective layer and the external protection coating;
The external protection coating and the interior protective layer are provided with several inclined power holes, and each inclined power hole is through the through-hole to arrangement;
Several wire arrangements holes, through-hole of the wire arrangements Kong Weijing to arrangement, the communication are provided in the protecting tube Conducting wire one-to-one correspondence is arranged in the wire arrangements hole, is filled up between the communication conductor and the inner wall in the wire arrangements hole Insulation filler;
The electrical lead is through to being set in the interior protective layer.
2. urban track traffic according to claim 1 communicates anti-extrusion cable, which is characterized in that the insulation filler Material with the interior protective layer is polyethylene, and the material of the external protection coating is ethylene-tetrafluoroethylene copolymer.
3. urban track traffic according to claim 1 communicates anti-extrusion cable, which is characterized in that the inclined power hole is arc Shape hole, the wire arrangements hole are scallop hole, and the corner portion in the inclined power hole and the wire arrangements hole is rounded structure.
4. urban track traffic according to claim 3 communicates anti-extrusion cable, which is characterized in that the external protection coating Inclined power hole, the interior protective layer circumferential direction is evenly arranged centered on the protecting tube in inclined power hole.
CN201821706126.0U 2018-10-19 2018-10-19 A kind of anti-extrusion cable of urban track traffic communication Expired - Fee Related CN209071023U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821706126.0U CN209071023U (en) 2018-10-19 2018-10-19 A kind of anti-extrusion cable of urban track traffic communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821706126.0U CN209071023U (en) 2018-10-19 2018-10-19 A kind of anti-extrusion cable of urban track traffic communication

Publications (1)

Publication Number Publication Date
CN209071023U true CN209071023U (en) 2019-07-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821706126.0U Expired - Fee Related CN209071023U (en) 2018-10-19 2018-10-19 A kind of anti-extrusion cable of urban track traffic communication

Country Status (1)

Country Link
CN (1) CN209071023U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111029003A (en) * 2019-12-27 2020-04-17 安徽国电电缆股份有限公司 Insulating flexible power cable suitable for high-altitude use environment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111029003A (en) * 2019-12-27 2020-04-17 安徽国电电缆股份有限公司 Insulating flexible power cable suitable for high-altitude use environment
CN111029003B (en) * 2019-12-27 2021-05-11 安徽国电电缆股份有限公司 Insulating flexible power cable suitable for high-altitude use environment

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190705