CN113921170A - Bending-resistant cable - Google Patents
Bending-resistant cable Download PDFInfo
- Publication number
- CN113921170A CN113921170A CN202111285848.XA CN202111285848A CN113921170A CN 113921170 A CN113921170 A CN 113921170A CN 202111285848 A CN202111285848 A CN 202111285848A CN 113921170 A CN113921170 A CN 113921170A
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- Prior art keywords
- core
- wire
- sheath
- cable
- resistant
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- Pending
Links
- 238000005452 bending Methods 0.000 title claims abstract description 37
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229920005606 polypropylene copolymer Polymers 0.000 claims abstract description 13
- 150000001336 alkenes Chemical class 0.000 claims abstract description 6
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000005662 Paraffin oil Substances 0.000 claims abstract description 5
- 239000004744 fabric Substances 0.000 claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 239000010445 mica Substances 0.000 claims description 5
- 229910052618 mica group Inorganic materials 0.000 claims description 5
- 229910001316 Ag alloy Inorganic materials 0.000 claims description 4
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- OWXLRKWPEIAGAT-UHFFFAOYSA-N [Mg].[Cu] Chemical compound [Mg].[Cu] OWXLRKWPEIAGAT-UHFFFAOYSA-N 0.000 claims description 4
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 4
- YCKOAAUKSGOOJH-UHFFFAOYSA-N copper silver Chemical compound [Cu].[Ag].[Ag] YCKOAAUKSGOOJH-UHFFFAOYSA-N 0.000 claims description 4
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical class [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 238000005246 galvanizing Methods 0.000 claims description 3
- 239000004816 latex Substances 0.000 claims description 3
- 229920000126 latex Polymers 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000009941 weaving Methods 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000005470 impregnation Methods 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000007598 dipping method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- KVBYPTUGEKVEIJ-UHFFFAOYSA-N benzene-1,3-diol;formaldehyde Chemical compound O=C.OC1=CC=CC(O)=C1 KVBYPTUGEKVEIJ-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 229920003225 polyurethane elastomer Polymers 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 229920006311 Urethane elastomer Polymers 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Images
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
- H01B7/0045—Cable-harnesses
-
- 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
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/225—Longitudinally placed metal wires or tapes forming part of an outer sheath
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
Abstract
The invention discloses a bending-resistant cable which comprises a combined wire core and a sheath, wherein the combined wire core comprises a first wire core and a second wire core, the section of a beryllium copper wire core of the first wire core is oval, the first wire core sheath is formed on the outer side of the beryllium copper wire core, the first wire core sheath is formed by molding a polypropylene copolymer with an olefin block, the beryllium copper wire core is wrapped outside the first wire core sheath, and bending-resistant ribs with oval contour lines are formed on two sides of the first wire core sheath; the second core wire comprises 6-10 core wire units which are uniformly arranged on the outer side ring surface of the first core wire; the armor layer is formed on the outer side of the second core wire, the sheath is arranged on the outer side of the armor layer, and waterproof paraffin oil is filled between the first core wire and the second core wire on the inner side of the sheath. The invention can ensure the bending resistance of the cable and reduce the increase of the wire diameter of the cable on the basis of ensuring the transmission performance of the cable, thereby facilitating the wiring of the cable.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a bending-resistant cable with better structural strength.
Background
In the prior art, the cable is mainly used for bearing the functions of controlling installation, connecting equipment, transmitting power and the like, penetrates through all corners in life and generally comprises a core wire and a sheath, at present, common core wire conductor materials are copper alloys such as copper-magnesium alloy, copper-tin alloy or copper-silver alloy, the strength of the copper alloys is generally 600-900 MPa, the core wire conductor materials are easy to break when bearing external force, the transmission of the power is influenced, potential safety hazards appear in the use process of the cable, and therefore the sheath and a corresponding structure are required to be matched to realize reinforcement.
At present, a plurality of tensile cables are also available in the market, which are mainly reinforced by adopting reinforcing fibers or arranging reinforcing steel wires inside the cables, but in the reinforcing mode, the tensile strength is insufficient and the cables are broken due to too low strength in the using process; however, an excessive increase in strength also leads to a decrease in impact resistance, and during the assembly process, the cable is broken due to a sudden strong impact force. In addition, when the cable is pulled, the cable reinforced by the steel wire way has poor bonding performance and small bonding force due to the structural arrangement defects of the steel wire and the cable, so that when the cable is bent, the steel wire can generate radial displacement relative to the cable and extrude and abrade the core wire from the inside of the cable, and even the cable can crack from the inside.
In addition, with the rapid development of power cables, higher requirements are put on the protection of cables, particularly cables applied to industrial and mining enterprises such as metallurgy, petroleum, chemical industry, power plants and the like, the requirements on the safety protection of the cables are higher than those of cables used in other environments, and besides the strength requirement, the cables are also required to have better weather resistance and corrosion resistance, namely the cables are required to effectively resist the corrosion of acid, alkali, oil and the like in severe environments, so that the corrosion resistance of the cables is improved; it is also desirable that the cable itself should have good physical strength and bending resistance.
For the above reasons, it is highly desirable to design a corrosion-resistant high-strength cable to meet the use requirements of the related industrial and mining enterprises.
Disclosure of Invention
The present invention is directed to a bending-resistant cable, which solves the above-mentioned drawbacks of the related art.
The technical problem solved by the invention is realized by adopting the following technical scheme:
a bending-resistant cable comprises a combined wire core and a sheath, wherein the combined wire core comprises a first core wire and a second core wire,
the first core is arranged in the middle of the cable and comprises a first core, the first core is a beryllium copper core, the section of the beryllium copper core is oval, the circle center of the oval section is concentrically arranged on the axis of the bending-resistant waterproof cable, a first core sheath is formed on the outer side of the beryllium copper core and is made of a polypropylene copolymer with olefin blocks by forming, the whole beryllium copper core is wrapped outside the first core sheath, bending-resistant ribs are formed on the extension lines of the short shafts on the two sides of the beryllium copper core, and the combined outer contour line section of the bending-resistant ribs on the short shafts on the two sides is oval;
the second core wire comprises 6-10 core wire units, the core wire units are uniformly arranged on the outer annular surface of the first core wire, each core wire unit comprises a second core wire, and a mica paper tape wrapping layer is formed on the outer side of the second core wire;
and an armor layer is formed on the outer side of the second core wire, the sheath is arranged on the outer side of the armor layer, and waterproof paraffin oil is filled between the first core wire and the second core wire on the inner side of the sheath.
Preferably, the ratio of the major axis to the minor axis of the cross-sectional ellipse corresponding to the first core to the cross-sectional ellipse corresponding to the outer contour line of the anti-bending rib edge is 1.33:1 to 1.75: 1; and the ratio of the major axis of the cross section ellipse of the outer contour line of the bending-resistant rib side to the major axis of the cross section ellipse corresponding to the first core is 1.05-1.10.
Preferably, austenitic stainless steel wires are formed in the bending-resistant ribs as reinforcing structures.
Preferably, an insulating oxide film layer, preferably a silicon oxide film layer having both abrasion resistance and insulation, is formed on the outer surface of the first core.
Preferably, the polypropylene copolymer having an olefin block for preparing the first core/sheath contains 25 to 30 wt% of a polypropylene copolymer having a molecular weight of 100000 to 300000 and 8 to 12 wt% of a polypropylene copolymer having a molecular weight of 300000 or more.
Preferably, the second wire core is one of a tin-plated copper conductor wire, a tin-plated copper-magnesium alloy wire, a tin-plated copper-tin alloy wire and a tin-plated copper-silver alloy wire.
Preferably, the second wire core is a copper wire whose surface is subjected to hot dip galvanizing treatment.
Preferably, the second core is formed with a core wire unit sheath outside the mica paper tape wrapping layer; the core wire unit sheath and the sheath are polyurethane rubber sheaths or ethylene propylene diene monomer outer sheaths.
Preferably, the armor layer is a double-layer fabric structure, the inner fabric layer is a nylon fabric layer subjected to resorcinol formaldehyde latex (RFC) dipping treatment, and the outer fabric layer is a steel wire fabric layer formed by weaving steel wires subjected to surface hot dip galvanizing treatment;
further, the diameter of a steel wire adopted by the outer fabric layer is 0.15-0.2 mm;
furthermore, the thickness of the inner fabric layer is 1.5-3 times that of the outer fabric layer.
Has the advantages that: according to the bending-resistant cable, the oval core wire formed by beryllium copper material is matched with the first core wire sheath to serve as a bending-resistant structure, the oval core wire and the first core wire sheath form a cross structure and are concentrically arranged on the axis of the cable, the oval core wire provides strength and rigidity, the first core wire sheath provides impact resistance and buffering performance, the bending-resistant performance of the cable can be effectively improved, the structural stability of the cable is ensured, the phenomenon that the electrical performance of the whole cable and the use stability of the cable are not influenced by bending, moving and other operations of the wire core unit during transportation, assembly and use is avoided, and therefore related lines are protected.
Drawings
FIG. 1 is a schematic diagram of a preferred embodiment of the present invention.
Wherein: 1. a sheath; 2. an outer fabric layer; 3. an inner fabric layer; 4. a core wire unit sheath; 5. a second wire core; 6. waterproof paraffin oil; 7. an austenitic stainless steel wire; 8. a first core jacket; 9. a first wire core.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
It should be noted that if directional indications (such as according to the upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship, movement, etc. of the components in a specific posture (according to the figure), and if the specific posture is changed, the directional indications are changed accordingly.
In the following examples, it will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
Referring to fig. 1, in the present embodiment, the bend-resistant cable includes a first core and a second core, and the first core and the second core are combined to ensure the transmission performance of the bend-resistant cable.
The first core wire is an intermediate core wire and is arranged at the axis position of the bending-resistant cable, the first core wire comprises a first core wire 9 and a first core wire sheath 8, the first core wire 9 is a beryllium copper wire core formed by beryllium copper, the section of the beryllium copper wire core is oval, the length ratio of a long axis to a short axis is 3:2, and in addition, a silicon oxide film layer with both wear resistance and insulation is formed on the outer surface of the first core wire 9 to ensure the wear resistance and the electrical property of the first core wire 9; the first core sheath 8 is formed on the outer surface of the first core 9, the whole first core sheath 8 is formed by polypropylene copolymer with olefin block, and is used for preparing the first core sheath 8 which should have 25-30 wt% of polypropylene copolymer with molecular weight of 100000-300000 and 8-12 wt% of polypropylene copolymer with molecular weight of 300000, the polypropylene copolymer under the technical characteristic condition has physical strength slightly larger than that of the first core 9, and has elasticity higher than that of the first core 9 so as to enable the first core 9 to have bending resistance.
The first core sheath 8 is formed with anti-bending ribs at the outer sides of the short axis positions corresponding to the two sides of the first core 9, the anti-bending ribs at the two sides jointly form a section with an oval outer contour, and the long axis of the oval section of the anti-bending ribs is correspondingly arranged on the extension line of the short axis of the oval section of the first core 9. In this embodiment, the ratio of the major axis to the minor axis of the elliptical cross section of the bending-resistant rib is 3:2, which is the same as the elliptical cross section corresponding to the first core 9, but the ratio of the major axis of the outer contour cross section ellipse of the entire bending-resistant rib to the major axis of the cross section ellipse corresponding to the first core is 1.1 times, so that the first core jacket 8 can be wrapped entirely around the first core 9.
The combination of the first core wire sheath 8 and the first core wire 9 jointly forms a cross-like structure, the cross-like structure is formed by overlapping two ellipses of the first core wire 9 and the first core wire sheath 8 in a staggered mode on the circular surface according to the pattern shown in figure 1, the first core wire 9 of the cross-like structure has electrical conductivity, meanwhile, the combination of the structure has bending resistance, the elliptic core wires of the first core wire 9 provide strength and rigidity in a bending state, the first core wire sheath 8 provides impact resistance and buffering performance, and the bending resistance of the cable can be effectively improved; and the material characteristic of first core sheath 8 can give first core sheath 8 and the anti deformation effect that first core 9 is more close simultaneously for first core sheath 8 is better with the bonding performance of first core 9, and first core 9 can better laminate and first core sheath 8 in when buckling, prevents that first core 9 from producing radial displacement and extruding and wearing and tearing first core sheath 8 from 8 inboard of first core sheath under the continuous state of buckling.
In addition, in the present embodiment, in order to further improve the bending resistance of the first core wire sheath 8, austenitic stainless steel wires 7 are further inserted and molded into the bending resistance rib of the first core wire sheath 8 as a bending resistance reinforcing structure.
In this embodiment, the second core wire includes seven core wire units, the core wire units are uniformly arranged on the outer annular surface of the first core wire, each core wire unit includes a second core wire 5 and a core wire unit sheath 4, the second core wire 5 in this embodiment is a tin-plated copper wire, the tin-plated copper wire with a similar wire diameter has a conductivity close to that of the beryllium copper wire of the first core wire 9, and in other embodiments, the second core wire 5 may also adopt one of a tin-plated copper-magnesium alloy wire, a tin-plated copper-tin alloy wire, a tin-plated copper-silver alloy wire, or a copper wire whose surface is subjected to an overheat zinc dipping treatment, so as to obtain a similar effect. The second core 5 is wrapped and molded with a mica paper tape wrapping layer (not shown) on the outside, and a urethane rubber molded core unit sheath 4 is molded on the outside of the mica paper tape wrapping layer.
An armor layer is formed on the outer side of the outline line of the whole second core wire, and a sheath 1 is formed on the outer side of the armor layer. The armor layer comprises an inner fabric layer 3 positioned on the inner side and an outer fabric layer 2 positioned on the outer side, wherein the inner fabric layer 3 is a nylon fabric layer subjected to resorcinol formaldehyde latex (RFC) dipping treatment, and the outer fabric layer 2 is a steel wire fabric layer formed by weaving steel wires with the diameter of 0.15mm subjected to surface hot dipping treatment; and the thickness of the inner fabric layer 3 is 1.5 times that of the outer fabric layer 2. The sheath 1 is made of polyurethane rubber material which is the same as the core wire unit sheath 4, and waterproof paraffin oil is filled between the first core wire and the second core wire inside the sheath 1.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A bending-resistant cable is characterized by comprising a wire core and a sheath, wherein the wire core comprises a first core wire and a second core wire,
the first core is arranged in the middle of the cable and comprises a first core, the first core is a beryllium copper core, the section of the beryllium copper core is oval, the circle center of the oval section is concentrically arranged on the axis of the bending-resistant waterproof cable, a first core sheath is formed on the outer side of the beryllium copper core and is made of a polypropylene copolymer with olefin blocks by forming, the whole beryllium copper core is wrapped outside the first core sheath, bending-resistant ribs are formed on the extension lines of the short shafts on the two sides of the beryllium copper core, and the combined outer contour line section of the bending-resistant ribs on the short shafts on the two sides is oval;
the second core wire comprises 6-10 core wire units, the core wire units are uniformly arranged on the outer annular surface of the first core wire, each core wire unit comprises a second core wire, and a mica paper tape wrapping layer is formed on the outer side of the second core wire;
and an armor layer is formed on the outer side of the second core wire, the sheath is arranged on the outer side of the armor layer, and waterproof paraffin oil is filled between the first core wire and the second core wire on the inner side of the sheath.
2. The bend-resistant cable as claimed in claim 1, wherein the ratio of the major axis to the minor axis of the cross-sectional ellipse corresponding to the first core to the cross-sectional ellipse corresponding to the outer contour line of the bend-resistant rib is 1.33:1 to 1.75: 1; and the ratio of the major axis of the cross section ellipse of the outer contour line of the bending-resistant rib side to the major axis of the cross section ellipse corresponding to the first core is 1.05-1.10.
3. The bend-resistant cable of claim 1, wherein the bend-resistant ribs have austenitic stainless steel wires formed therein.
4. The bend-resistant cable of claim 1, wherein the first core has a silica film layer formed on an outer surface thereof.
5. The bend-resistant cable as claimed in claim 1, wherein the polypropylene copolymer having an olefin block for preparing the first core sheath contains 25-30 wt% of a polypropylene copolymer having a molecular weight of 100000-300000 and 8-12 wt% of a polypropylene copolymer having a molecular weight of 300000 or more.
6. The bend-resistant cable as recited in claim 1, wherein the second core is one of a tin-plated copper conductor wire, a tin-plated copper magnesium alloy wire, a tin-plated copper tin alloy wire, and a tin-plated copper silver alloy wire.
7. The bend-resistant cable as recited in claim 1, wherein the second core is a copper wire having a surface that is hot-dip galvanized.
8. The bend-resistant cable as recited in claim 1, wherein the armor layer is a double-layer fabric structure, the inner fabric layer is a nylon fabric layer subjected to resorcinol-formaldehyde-latex impregnation treatment, and the outer fabric layer is a steel wire fabric layer formed by weaving steel wires subjected to surface hot-dip galvanizing treatment.
9. The bend-resistant cable as claimed in claim 8, wherein the outer fabric layer has a steel wire diameter of 0.15-0.2 mm.
10. The bend-resistant cable as recited in claim 8, wherein the thickness of the inner fabric layer is 1.5-3 times the thickness of the outer fabric layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111285848.XA CN113921170A (en) | 2021-11-02 | 2021-11-02 | Bending-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111285848.XA CN113921170A (en) | 2021-11-02 | 2021-11-02 | Bending-resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113921170A true CN113921170A (en) | 2022-01-11 |
Family
ID=79244949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111285848.XA Pending CN113921170A (en) | 2021-11-02 | 2021-11-02 | Bending-resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113921170A (en) |
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| CN108806854A (en) * | 2018-07-13 | 2018-11-13 | 韩玉权 | A kind of high intensity high-voltage/low-voltage composite cable |
| CN211628720U (en) * | 2020-04-09 | 2020-10-02 | 湖北龙腾红旗电缆(集团)有限公司 | High-strength tensile signal transmission reel cable |
| CN113362997A (en) * | 2021-05-20 | 2021-09-07 | 重庆柒安电线电缆（集团）有限责任公司 | Extrusion-resistant cable |
-
2021
- 2021-11-02 CN CN202111285848.XA patent/CN113921170A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100288529A1 (en) * | 2008-09-24 | 2010-11-18 | Hayashishita Tatsunori | Coaxial cable and multicoaxial cable |
| CN102394128A (en) * | 2011-10-24 | 2012-03-28 | 中特华星电缆股份有限公司 | Modified ternary silicon rubber insulation cable |
| CN202584790U (en) * | 2012-03-29 | 2012-12-05 | 安徽蒙特尔电缆集团有限公司 | Movable cable for vehicle driving |
| CN203760123U (en) * | 2014-04-16 | 2014-08-06 | 万达集团股份有限公司 | Flexible conducting wire |
| CN204166988U (en) * | 2014-11-13 | 2015-02-18 | 邢台鑫晖铜业特种线材有限公司 | A kind of shielded type cable with complex copper core |
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