CN108520797B - Cable resistant to mechanical impact extrusion - Google Patents
Cable resistant to mechanical impact extrusion Download PDFInfo
- Publication number
- CN108520797B CN108520797B CN201810601664.1A CN201810601664A CN108520797B CN 108520797 B CN108520797 B CN 108520797B CN 201810601664 A CN201810601664 A CN 201810601664A CN 108520797 B CN108520797 B CN 108520797B
- Authority
- CN
- China
- Prior art keywords
- cable
- layer
- support frame
- support
- cable core
- 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.)
- Active
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 230000008093 supporting effect Effects 0.000 claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 15
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 15
- 238000002955 isolation Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000009941 weaving Methods 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 229910000611 Zinc aluminium Inorganic materials 0.000 claims description 3
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 241001391944 Commicarpus scandens Species 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000009954 braiding Methods 0.000 abstract description 2
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 31
- 239000011247 coating layer Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009970 fire resistant effect Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 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 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- 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
- 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
- H01B7/22—Metal wires or tapes, e.g. made of steel
-
- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulated Conductors (AREA)
- Ropes Or Cables (AREA)
Abstract
The invention discloses a cable resistant to mechanical impact extrusion, which comprises steel strands, a support ring, a support frame, a cable core, a tinned copper wire braided shielding layer, a braiding layer, a polyvinyl chloride insulating layer and a cable outer sheath, wherein the support ring is connected with a plurality of support frames on the outer layer, the support ring and the support frames are integrally connected to form an impact-resistant piece, a longitudinal through hole is formed in the support ring, the steel strands are penetrated in the longitudinal through hole, wire perforations are formed in the support frames, and the cable core is penetrated in the wire perforations; the cable core is not easy to break during dragging, the wire perforation in the support frame is penetrated, so that abrasion is avoided, the limit of the steel stranded wires and the cable core is realized, the support ring and the support frame have good supporting and buffering effects, and the cable core is effectively protected from being damaged when the cable is subjected to mechanical impact resistance or extrusion; the anti-interference and tensile properties of the power cable are enhanced, the service life of the cable is prolonged, and the working stability of the cable is greatly improved.
Description
Technical Field
The invention relates to the technical field of power cables, in particular to a cable resistant to mechanical impact extrusion.
Background
Along with the wide use of the cable, the requirements on the cable are higher and higher, and the power cable, the optical cable, the communication cable and the radio frequency cable are all independent cables, so that the cable can often meet the external mechanical impact or extrusion effect in the process of laying, installing or using, and the power cable is generally weak in extrusion resistance and is easy to stretch or break when being subjected to the external stress effect; the traditional power cable is loose in structure and small in effective sectional area, and wires in the cable are easy to move when collision occurs, so that the cable is deformed, a cable core in the cable is damaged, and the safety of the whole cable is affected; and also causes degradation or breakage of the cable, thereby further affecting the normal use of the cable.
Disclosure of Invention
In view of the shortcomings of the prior art, the present invention aims to provide a cable resistant to mechanical impact extrusion, so as to solve the problems set forth in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The utility model provides an anti mechanical shock extruded cable, includes steel strand wires, holding ring, support frame, cable core, tinned copper wire braid shielding layer, weaving layer, polyvinyl chloride insulating layer and cable oversheath, the holding ring skin is connected with a plurality of support frames, and holding ring and support frame integral type link to each other and constitute the impact-resistant piece, constitute vertical through-hole in the holding ring, wear to be equipped with the steel strand wires in the vertical through-hole, be equipped with the wire perforation in the support frame, wear to establish the cable core in the wire perforation, the outside of the impact-resistant piece that holding ring and support frame constitute is equipped with tinned copper wire braid shielding layer around being equipped with, and the weaving layer is around establishing to tinned copper wire braid shielding layer outside, and the weaving layer outside is equipped with the polyvinyl chloride insulating layer, and the polyvinyl chloride insulating layer outside is equipped with the cable oversheath.
Further, the support frames are annularly distributed and are arranged on the outer layer of the support ring at equal intervals, and the support ring and the support frames are made of elastic insulating rubber materials.
Further, the impact-resistant piece is formed by sequentially overlapping and connecting a plurality of connected supporting rings and supporting frames.
Further, the steel strand consists of a plurality of steel wires, and a galvanized layer, a zinc-aluminum alloy layer, an aluminum-clad layer, a copper-clad layer or epoxy resin is added on the surface of the carbon steel of the steel strand.
Further, the cable core is formed by stranding a plurality of oxygen-free copper wires, and the steel stranded wires are isolated from the cable core by the support ring and the support frame.
Further, an isolation groove is formed between the support frames, and fire-resistant filling is arranged in the isolation groove.
Further, the cable outer sheath is made of PVC or PE material.
In summary, compared with the prior art, the invention has the following beneficial effects:
the steel strands are arranged in the longitudinal through holes formed in the supporting rings in a penetrating manner, so that the tensile property of the cable is enhanced, the cable is not easy to break during dragging, the cable cores are arranged in the wire through holes in the supporting frames in a penetrating manner, abrasion between the steel strands and the cable cores is avoided, the limiting of the steel strands and the cable cores is realized, the supporting rings and the supporting frames have good supporting and buffering effects, and the cable cores are effectively protected from being damaged when the cable is subjected to mechanical impact resistance or extrusion; the anti-interference and tensile properties of the power cable are enhanced, the service life of the cable is prolonged, and the working stability of the cable is greatly improved.
In order to more clearly illustrate the structural features and efficacy of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic cross-sectional view of an impact-resistant member according to the present invention.
Fig. 3 is a schematic structural view of an impact-resistant member according to the present invention.
Reference numerals: 1-steel stranded wires, 2-longitudinal through holes, 3-supporting rings, 4-supporting frames, 5-wire perforation, 6-cable cores, 7-isolation grooves, 8-fire-resistant filling, 9-tinned copper wire woven shielding layers, 10-woven layers, 11-polyvinyl chloride insulating layers and 12-cable outer jackets.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-3, a cable resistant to mechanical impact extrusion comprises a steel strand 1, a support ring 3, a support frame 4, a cable core 6, a tinned copper wire braided shielding layer 9, a braiding layer 10, a polyvinyl chloride insulating layer 11 and a cable outer sheath 12, wherein the support ring 3 is externally connected with a plurality of support frames 4, the support frames 4 are annularly distributed and are arranged on the outer layer of the support ring 3 at equal intervals, the support ring 3 and the support frame 4 are made of elastic insulating rubber materials, the support ring 3 and the support frame 4 are integrally connected to form an impact resistant piece, the impact resistant piece is formed by sequentially superposing and connecting a plurality of connected support rings 3 and the support frame 4 to form a linear shape, a longitudinal through hole 2 is formed in the support ring 3, the steel strand 1 is formed by twisting a plurality of steel wires, a zinc coating layer, a zinc-aluminum coating layer, a copper coating layer or epoxy resin coating is added on the carbon steel surface of the steel strand 1, and the tensile property of the cable is not easy to break when being dragged; be equipped with wire perforation 5 in the support frame 4, wear to establish cable core 6 in the wire perforation 5, cable core 6 is formed by the transposition of many oxygen-free copper wires, keeps apart steel strand wires 1 and cable core 6 through holding ring 3 and support frame 4, avoids wearing and tearing each other to realize spacing to steel strand wires 1 and cable core 6, holding ring 3 and support frame 4 itself have fine support, cushioning effect, when the cable receives anti mechanical shock or extrusion, effectively protect cable core 6 not damaged.
The isolation groove 7 is formed between the support frames 4, the tinned copper wire braided shielding layer 9 is wound outside the impact-resistant piece formed by the support ring 3 and the support frames 4, the refractory filling 8 is arranged in the isolation groove 7, the braided layer 10 is wound outside the tinned copper wire braided shielding layer 9, the polyvinyl chloride insulating layer 11 is arranged outside the braided layer 10, and the cable outer sheath 12 is arranged outside the polyvinyl chloride insulating layer 11.
Preferably, in this embodiment, the cable jacket 12 is made of PVC or PE material; according to the invention, the tinned copper wire braided shielding layer 9 is additionally arranged, so that external signals can be effectively shielded, the anti-interference performance of the cable is improved, and the fire-resistant filling 8 further improves the fire-resistant and flame-retardant performance of the cable; the insulating property of the power cable is enhanced by the polyvinyl chloride insulating layer 11 and the cable outer sheath 12, the anti-interference and tensile properties of the power cable are further enhanced by the tinned copper wire braided shielding layer 9 and the braided layer 10, the service life of the cable is prolonged, and the working stability of the cable is greatly improved.
The technical principle of the present invention has been described above in connection with specific embodiments, but is only the preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. Other embodiments of the invention will occur to those skilled in the art without the exercise of inventive effort and are intended to fall within the scope of the invention.
Claims (3)
1. The utility model provides an anti mechanical shock extrusion's cable, includes steel strand wires (1), supporting ring (3), support frame (4), cable core (6), tinned copper wire braided shield layer (9), weaving layer (10), polyvinyl chloride insulating layer (11) and cable oversheath (12), its characterized in that, supporting ring (3) skin is connected with a plurality of support frames (4), supporting ring (3) and support frame (4) integral type link to each other and constitute the impact resistance spare, constitute vertical through-hole (2) in supporting ring (3), wear to be equipped with steel strand wires (1) in vertical through-hole (2), be equipped with wire perforation (5) in support frame (4), wear to establish cable core (6) in wire perforation (5), the impact resistance spare outside of supporting ring (3) and support frame (4) is around being equipped with tinned copper wire braided shield layer (9), tinned copper wire braided shield layer (9) outside winds to establish weaving layer (10), and weaving layer (10) outside is equipped with polyvinyl chloride insulating layer (11), polyvinyl chloride insulating layer (11) outside is equipped with cable oversheath (12);
The supporting frames (4) are annularly distributed and are arranged on the outer layer of the supporting ring (3) at equal intervals, and the supporting ring (3) and the supporting frames (4) are made of elastic insulating rubber materials;
The impact-resistant piece is formed by sequentially superposing and connecting a plurality of connected supporting rings (3) and supporting frames (4) to form a linear shape;
the cable core (6) is formed by stranding a plurality of oxygen-free copper wires, and the support ring (3) and the support frame (4) isolate the steel stranded wires (1) from the cable core (6);
an isolation groove (7) is formed between the supporting frames (4), and a refractory filling (8) is arranged in the isolation groove (7).
2. The cable resistant to mechanical impact extrusion according to claim 1, wherein the steel strand (1) is formed by twisting a plurality of steel wires, and a zinc-plated layer, a zinc-aluminum alloy layer, an aluminum-clad layer, a copper-plated layer or an epoxy resin is added to the carbon steel surface of the steel strand (1).
3. The cable of claim 1, wherein the cable jacket is PVC or PE material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810601664.1A CN108520797B (en) | 2018-06-06 | 2018-06-06 | Cable resistant to mechanical impact extrusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810601664.1A CN108520797B (en) | 2018-06-06 | 2018-06-06 | Cable resistant to mechanical impact extrusion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108520797A CN108520797A (en) | 2018-09-11 |
| CN108520797B true CN108520797B (en) | 2024-05-17 |
Family
ID=63428346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810601664.1A Active CN108520797B (en) | 2018-06-06 | 2018-06-06 | Cable resistant to mechanical impact extrusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108520797B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204215766U (en) * | 2014-11-26 | 2015-03-18 | 安徽新华电缆(集团)有限公司 | A kind of tension flame-proof elastomer computer cable |
| CN204884693U (en) * | 2015-09-09 | 2015-12-16 | 四川韦克电缆有限公司 | Resistant extrusion combination cable |
| CN204966081U (en) * | 2015-10-09 | 2016-01-13 | 北京市重型电缆厂 | Adopt silane crosslinked polyethylene insulating material's high insulated cable |
| CN205542092U (en) * | 2016-04-09 | 2016-08-31 | 江苏东强股份有限公司 | High tensile superfrequency digital communication cable |
| CN106298012A (en) * | 2016-10-31 | 2017-01-04 | 耒阳星宇电线电缆有限公司 | A kind of anti-wear anti-interference coaxial-cable |
| CN107086078A (en) * | 2017-06-07 | 2017-08-22 | 安徽新兴翼凌机电发展有限公司 | A kind of heat-insulated electric wire cable of novel flame-retardant |
| CN206789353U (en) * | 2017-06-19 | 2017-12-22 | 辽阳爱神州智能科技有限公司 | A kind of isolating frame aviation network cable of abnormity containing photonic crystal |
| CN207199364U (en) * | 2017-09-06 | 2018-04-06 | 江西南远电缆有限公司 | A kind of fiber composite power cable |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7196271B2 (en) * | 2002-03-13 | 2007-03-27 | Belden Cdt (Canada) Inc. | Twisted pair cable with cable separator |
-
2018
- 2018-06-06 CN CN201810601664.1A patent/CN108520797B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204215766U (en) * | 2014-11-26 | 2015-03-18 | 安徽新华电缆(集团)有限公司 | A kind of tension flame-proof elastomer computer cable |
| CN204884693U (en) * | 2015-09-09 | 2015-12-16 | 四川韦克电缆有限公司 | Resistant extrusion combination cable |
| CN204966081U (en) * | 2015-10-09 | 2016-01-13 | 北京市重型电缆厂 | Adopt silane crosslinked polyethylene insulating material's high insulated cable |
| CN205542092U (en) * | 2016-04-09 | 2016-08-31 | 江苏东强股份有限公司 | High tensile superfrequency digital communication cable |
| CN106298012A (en) * | 2016-10-31 | 2017-01-04 | 耒阳星宇电线电缆有限公司 | A kind of anti-wear anti-interference coaxial-cable |
| CN107086078A (en) * | 2017-06-07 | 2017-08-22 | 安徽新兴翼凌机电发展有限公司 | A kind of heat-insulated electric wire cable of novel flame-retardant |
| CN206789353U (en) * | 2017-06-19 | 2017-12-22 | 辽阳爱神州智能科技有限公司 | A kind of isolating frame aviation network cable of abnormity containing photonic crystal |
| CN207199364U (en) * | 2017-09-06 | 2018-04-06 | 江西南远电缆有限公司 | A kind of fiber composite power cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108520797A (en) | 2018-09-11 |
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