CN112466519A - Low-creep fatigue-resistant bending-resistant stretch-resistant winding drum flat cable - Google Patents
Low-creep fatigue-resistant bending-resistant stretch-resistant winding drum flat cable Download PDFInfo
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- CN112466519A CN112466519A CN202011266023.9A CN202011266023A CN112466519A CN 112466519 A CN112466519 A CN 112466519A CN 202011266023 A CN202011266023 A CN 202011266023A CN 112466519 A CN112466519 A CN 112466519A
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- 238000005452 bending Methods 0.000 title claims abstract description 23
- 238000004804 winding Methods 0.000 title claims description 13
- 239000004744 fabric Substances 0.000 claims abstract description 24
- 239000004677 Nylon Substances 0.000 claims abstract description 22
- 229920001778 nylon Polymers 0.000 claims abstract description 22
- 239000004020 conductor Substances 0.000 claims abstract description 20
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052802 copper Inorganic materials 0.000 claims abstract description 5
- 239000010949 copper Substances 0.000 claims abstract description 5
- 230000002787 reinforcement Effects 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 9
- 229920002943 EPDM rubber Polymers 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- ZXHZWRZAWJVPIC-UHFFFAOYSA-N 1,2-diisocyanatonaphthalene Chemical compound C1=CC=CC2=C(N=C=O)C(N=C=O)=CC=C21 ZXHZWRZAWJVPIC-UHFFFAOYSA-N 0.000 claims description 5
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 5
- 244000043261 Hevea brasiliensis Species 0.000 claims description 4
- 239000004831 Hot glue Substances 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 229920003052 natural elastomer Polymers 0.000 claims description 4
- 229920001194 natural rubber Polymers 0.000 claims description 4
- SBJCUZQNHOLYMD-UHFFFAOYSA-N 1,5-Naphthalene diisocyanate Chemical compound C1=CC=C2C(N=C=O)=CC=CC2=C1N=C=O SBJCUZQNHOLYMD-UHFFFAOYSA-N 0.000 claims description 3
- 239000004970 Chain extender Substances 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 3
- 230000003712 anti-aging effect Effects 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000004132 cross linking Methods 0.000 claims description 3
- 150000002009 diols Chemical class 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 229920001610 polycaprolactone Polymers 0.000 claims description 3
- 239000004632 polycaprolactone Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 230000007774 longterm Effects 0.000 description 4
- 230000017105 transposition Effects 0.000 description 3
- 239000002174 Styrene-butadiene Substances 0.000 description 2
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000011115 styrene butadiene Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000009941 weaving Methods 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
- H01B7/08—Flat or ribbon cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/08—Several wires or the like stranded in the form of a rope
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/228—Metal braid
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Ropes Or Cables (AREA)
Abstract
The invention discloses a low-creep fatigue-resistant bending-resistant tensile flat drum cable which comprises cable cores, an insulating buffer block, filling, a cord fabric layer, a nylon pipe tape layer and a sheath, wherein the cable cores comprise conductors and insulating layers wrapped outside the conductors, the conductors are formed by twisting an aramid fiber wire reinforcing piece and a plurality of tinned copper wires, the insulating buffer block is arranged between the cable cores, the cable cores and the insulating buffer block are filled with the filling, the cord fabric layer is filled with the filling, the nylon pipe tape layer is wrapped outside the cord fabric layer, and the sheath is extruded on the nylon pipe tape layer.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a low-creep fatigue-resistant bending-resistant stretching-resistant winding drum flat cable.
Background
The flat cable of reel is applied to large-scale tower crane, stacker, book knot machine, open-air companion ladder, sewage factory, magnet snatch for the building. The cable is typically installed for use in reels or reels with high mechanical stress. When the machine works, the cable can carry out paying-off and wire-taking-up actions with different moving speeds along with the operation action of the machine. And the cable can receive wearing and tearing, pulling force and the torsion of different degrees in the in-process of unwrapping wire and receiving line, and traditional flat cable can appear stress relaxation and lead to the deformation breakage after long-term the bending, therefore the hoist cable must possess higher wear-resisting creep-resisting and tensile anti-torque bending performance.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a low-creep fatigue-resistant bending-resistant stretch-resistant flat reel cable to solve the problems of easy creep, easy fatigue, low toughness and the like of the existing flat reel cable.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a low creep is tired resistant crooked stretch-proofing reel flat cable that warp, includes sinle silk, insulating buffer block, packing, casing ply, nylon tube band layer and sheath, set up insulating buffer block between the sinle silk, sinle silk and insulating buffer block set up the packing, pack around the covering casing ply, the casing ply is around covering nylon tube band layer outward, the crowded package sheath of nylon tube band layer.
Further, the sinle silk includes the conductor and wraps up in the outside insulating layer of conductor, the conductor is including setting up in the aramid fiber silk reinforcement at center and around the stranded tinned wire of aramid fiber silk reinforcement syntropy transposition, aramid fiber silk reinforcement is twisted together by stranded aramid fiber silk and forms, tinned wire is the annealed copper wire, can follow tensile and the compliance of the aspect of the conductor hoisting cable. The conductor resistor conforms to the GB/T3956-2008 standard.
Furthermore, the raw material base material of the insulating layer is ethylene propylene diene monomer, and natural rubber, an anti-aging agent RD and aluminosiloxane are added into the ethylene propylene diene monomer to be mixed and melted to form a material of the insulating layer, so that the insulating layer has low creep deformation and fatigue resistance and excellent electrical insulating performance. In the invention, the thickness of the insulating layer is 1.2mm-1.4 mm.
Further, the both sides of insulating buffer block set up the arc recess, the central angle that the arc recess corresponds is 120, and the arc recess suits with the external shape of insulating layer, fills high bonding strength EVA hot melt adhesive between insulating buffer block and the insulating layer, guarantees the stability of structure.
Furthermore, two steel wires are arranged inside the insulating buffer block, the outer diameter of each steel wire is 2mm-2.5mm, the steel wires are of a compound twisted structure, aramid fibers are filled in the middle of the steel wires, and the tensile property of the flat cable is improved.
Furthermore, the insulating buffer block is made of styrene butadiene rubber, natural styrene butadiene insulation is formed, and the insulating buffer block has creep resistance.
Further, the cord fabric layer is a framework of the cable, the lapping overlapping rate of the cord fabric layer is 15% -25%, and the cord fabric layer mainly plays a role in bearing external load and keeping the size and the shape of the outer edge of the cable. The ply is formed by a plurality of layers of gelatinized cotton or other fiber weaves, and is woven and crossed at an angle of 55 degrees to uniformly distribute the load.
Further, the nylon cap ply is positioned between the cord fabric layer and the sheath, and the lapping overlapping rate of the nylon cap ply is 15% -25%. The nylon cap ply layer is soft and elastic, and can strengthen the combination of the outer sheath and the cord fabric layer so as to relieve the impact of uneven road surfaces on the cable during moving and prevent the outer sheath from separating from the cord fabric layer in long-term winding motion.
Furthermore, the material of the sheath is a polyurethane elastomer, the polyurethane elastomer takes 1, 5-Naphthalene Diisocyanate (NDI) and modified polycaprolactone diol (PCEK) as raw materials, a prepolymer is formed by mixing, and the NDI polyurethane elastomer is prepared by carrying out a crosslinking reaction on the prepolymer and a mixed chain extender. The thickness of the sheath is 4.1mm-4.4 mm.
The invention has the beneficial effects that:
1. the conductor in the wire core of the low-creep fatigue-resistant bending-resistant stretching-resistant winding drum flat cable is formed by stranding an aramid fiber wire reinforcement and a plurality of strands of tinned copper wires, and the tinned copper wires are soft copper wires and can improve the tensile property and the flexibility of the cable in the aspect of the conductor;
2. the raw material base material of the insulating layer in the wire core of the low-creep fatigue-resistant bending-resistant stretch-resistant winding drum flat cable is ethylene propylene diene monomer, wherein natural rubber and siloxane are added, so that the insulating layer has low creep deformation and fatigue resistance and excellent electrical insulation performance;
3. according to the low-creep fatigue-resistant bending-resistant stretching-resistant winding drum flat cable, the insulating buffer blocks with the steel wires are arranged between the wire cores, so that the tensile property and the creep resistance of the cable are improved, and the insulating buffer blocks and the insulating layer are filled with the high-bonding-strength EVA hot-melt adhesive, so that the structural stability is high;
4. the cord fabric of the low-creep fatigue-resistant bending-resistant stretch-resistant winding drum flat cable is subjected to uniform stress by cross weaving, a nylon crown belt is arranged between the cord fabric and the sheath, the cord fabric is soft and high in elasticity, and the combination of the outer sheath and the cord fabric can be enhanced, so that the impact of uneven road surfaces on the cable during moving operation can be alleviated, and the outer sheath and the cord fabric can be prevented from being separated from each other in long-term winding movement of the cable; the sheath is made of a high-performance, low-creep and fatigue-resistant polyurethane elastomer, so that the overall creep resistance, fatigue resistance and bending resistance of the cable are improved.
In conclusion, the low-creep fatigue-resistant bending-resistant stretching-resistant winding drum flat cable has the characteristics of low creep deformation, fatigue resistance, bending resistance and impact resistance by improving the structure of the conductor, the insulating layer, the buffer part and the sheath.
Drawings
FIG. 1 is a schematic structural view of the present low creep fatigue-resistant bending-resistant stretch-resistant flat cable roll;
FIG. 2 is a schematic structural diagram of a core of the low creep fatigue-resistant bending-resistant stretch-resistant drum flat cable.
In the figure: 1. a wire core; 2. an insulating buffer block; 3. filling; 4. a ply layer; 5. a nylon cap ply; 6. a sheath; 11. a conductor; 12. an insulating layer; 111. aramid fiber filament reinforcements; 112. tinned copper wire; 21. a steel wire.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, a low-creep fatigue-resistant bending-resistant stretch-resistant winding drum flat cable comprises a cable core 1, an insulating buffer block 2, a filler 3, a cord fabric layer 4, a nylon pipe belt layer 5 and a sheath 6, wherein the insulating buffer block 2 is arranged between the cable core 1, the cable core 1 and the insulating buffer block 2 are provided with the filler 3, the filler 3 winds the cord fabric layer 4, the cord fabric layer 4 is externally wound with the nylon pipe belt layer 5, and the nylon pipe belt layer 5 is extruded with the sheath 6.
Further, refer to fig. 2, sinle silk 1 includes conductor 11 and wraps up in the outside insulating layer 12 of conductor 11, conductor 11 is including setting up at central aramid fiber silk reinforcement 111 and around aramid fiber silk reinforcement 111 syntropy stranded multi-strand tinned wire 112, aramid fiber silk reinforcement 111 is formed by stranded aramid fiber silk transposition, tinned wire 112 is the annealed copper wire, aramid fiber silk reinforcement 111 includes that multi-strand high strength aramid fiber silk transposition forms, can follow tensile nature and the compliance of the aspect of the conductor hoisting cable. The conductor resistor conforms to the GB/T3956-2008 standard.
Furthermore, the raw material base material of the insulating layer 12 is ethylene propylene diene monomer, and 5 parts of natural rubber, an anti-aging agent RD and 4 parts of aluminosiloxane are added into the ethylene propylene diene monomer and mixed and melted to form the material of the insulating layer 12, so that the insulating layer 12 has low creep deformation and fatigue resistance and excellent electrical insulating property. In the invention, the thickness of the insulating layer 12 is 1.2mm-1.4mm, and the 6000V spark withstand voltage test is required after the insulating layer 12 is cooled.
Further, the both sides of insulating buffer block 2 set up the arc recess, the central angle that the arc recess corresponds is 120, and the arc recess suits with the external shape of insulating layer 12, fills high adhesion strength EVA hot melt adhesive between insulating buffer block 2 and the insulating layer 12, guarantees the stability of structure.
Furthermore, at least one steel wire 21 is arranged inside the insulating buffer block 2, the outer diameter of the steel wire 21 is 2mm-2.5mm, the steel wire is of a compound twisted structure, aramid fibers are filled in the middle of the steel wire, and the tensile property of the flat cable is improved.
Further, the insulating buffer block 2 is made of styrene butadiene rubber, and natural styrene butadiene insulation is formed, so that the insulating buffer block 2 has creep resistance.
Further, the cord fabric layer 4 is a framework of the cable, the lapping overlapping rate of the cord fabric layer 4 is 15% -25%, and the main function of the cord fabric layer is to bear external load and maintain the size and the shape of the outer edge of the cable. The ply 4 is formed by a plurality of layers of gelatinized cotton or other fiber weaves, and is woven and crossed at an angle of 55 degrees to uniformly distribute the load.
Further, the nylon cap ply layer 5 is positioned between the cord fabric layer 4 and the sheath 6, and the lapping overlapping rate of the nylon cap ply layer 5 is 15% -25%. The nylon cap ply layer 5 is soft and elastic, and can strengthen the combination of the outer sheath and the cord fabric layer so as to relieve the impact of uneven road surfaces on the cable during moving and prevent the outer sheath from being separated from the cord fabric layer in long-term winding motion.
Further, the material of the sheath 6 is a polyurethane elastomer, the polyurethane elastomer is prepared by mixing 1, 5-Naphthalene Diisocyanate (NDI) and modified polycaprolactone diol (PCEK) as raw materials to form a prepolymer, and the prepolymer and a mixed chain extender are subjected to a crosslinking reaction. The thickness of the sheath 6 in the invention is 4.1mm-4.4 mm.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a low creep is able to bear or endure crooked stretch-proofing reel flat cable of fatigue, its characterized in that, includes sinle silk (1), insulating buffer block (2), fills (3), casing ply (4), nylon tube band layer (5) and sheath (6), set up insulating buffer block (2) between sinle silk (1), sinle silk (1) and insulating buffer block (2) set up and fill (3), fill (3) around covering casing ply (4), casing ply (4) are outer around covering nylon tube band layer (5), and nylon tube band layer (5) are crowded to wrap sheath (6).
2. The low-creep fatigue-resistant bending-resistant tensile flat drum cable according to claim 1, wherein the cable core (1) comprises a conductor (11) and an insulating layer (12) wrapped outside the conductor (11), the conductor (11) comprises a centrally arranged aramid fiber wire reinforcement (111) and a plurality of tinned copper wires (112) which are co-directionally stranded around the aramid fiber wire reinforcement (111), and the aramid fiber wire reinforcement (111) is formed by stranding a plurality of aramid fibers.
3. The flat cable with low creep, fatigue resistance, bending resistance and tensile resistance as claimed in claim 2, wherein the raw material substrate of the insulating layer (12) is ethylene propylene diene monomer, and natural rubber, an anti-aging agent RD and aluminosiloxane are added into the ethylene propylene diene monomer to be mixed and melted to form the material of the insulating layer (12).
4. The flat cable with low creep, fatigue resistance, bending resistance and tensile resistance as claimed in claim 1, wherein arc grooves are formed on two sides of the insulating buffer block (2), the arc grooves correspond to a central angle of 120 degrees, and at least one steel wire (21) is arranged inside the insulating buffer block (2).
5. The flat cable with low creep, fatigue resistance, bending resistance and tensile strength as claimed in claim 1, wherein the material of the insulating buffer block (2) is styrene-butadiene rubber.
6. The flat, low creep, fatigue, bend, and stretch resistant reel cable of claim 1, wherein the filler (3) is an EVA hot melt adhesive.
7. The flat, low creep, fatigue, bend, and stretch resistant reel cable of claim 1, wherein said ply (4) is formed from a plurality of layers of gelled cotton or other fiber braid, and is woven in a cross-over arrangement at an angle of 55 °, said ply (4) having a lap overlap of 15% to 25%.
8. The flat cable with low creep, fatigue resistance, bending resistance and tensile strength as claimed in claim 1, wherein the nylon cap ply layer (5) is located between the cord fabric layer (4) and the sheath (6), and the lapping overlapping rate of the nylon cap ply layer (5) is 15% -25%.
9. The flat cable with the winding drum, the creep deformation resistance, the fatigue bending resistance and the stretch resistance as claimed in claim 1 is characterized in that the sheath (6) is made of a polyurethane elastomer, the polyurethane elastomer is prepared by mixing 1, 5-Naphthalene Diisocyanate (NDI) and modified polycaprolactone diol (PCEK) as raw materials to form a prepolymer, and the prepolymer and a mixed chain extender are subjected to a crosslinking reaction to prepare the NDI polyurethane elastomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266023.9A CN112466519A (en) | 2020-11-13 | 2020-11-13 | Low-creep fatigue-resistant bending-resistant stretch-resistant winding drum flat cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266023.9A CN112466519A (en) | 2020-11-13 | 2020-11-13 | Low-creep fatigue-resistant bending-resistant stretch-resistant winding drum flat cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112466519A true CN112466519A (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011266023.9A Pending CN112466519A (en) | 2020-11-13 | 2020-11-13 | Low-creep fatigue-resistant bending-resistant stretch-resistant winding drum flat cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112466519A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202694877U (en) * | 2012-05-16 | 2013-01-23 | 安徽华峰电缆集团有限公司 | Flat and soft cable for reinforced hoisting machinery and transportation equipment |
| CN104036854A (en) * | 2014-06-06 | 2014-09-10 | 兴乐电缆有限公司 | High-tensile flexible corrosion-resistant degaussing cable for ship |
| CN204288858U (en) * | 2014-12-12 | 2015-04-22 | 人民电缆集团有限公司 | Colloid flat cable |
| CN104616761A (en) * | 2015-01-22 | 2015-05-13 | 安徽德源电缆集团有限公司 | Flat cable of elevator |
| CN107346676A (en) * | 2017-08-15 | 2017-11-14 | 上海起帆电缆股份有限公司 | A kind of marine exploration system special cable |
| CN209729539U (en) * | 2019-04-22 | 2019-12-03 | 郑州宇晨电缆电线有限公司 | A kind of flat type tensile cable |
-
2020
- 2020-11-13 CN CN202011266023.9A patent/CN112466519A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202694877U (en) * | 2012-05-16 | 2013-01-23 | 安徽华峰电缆集团有限公司 | Flat and soft cable for reinforced hoisting machinery and transportation equipment |
| CN104036854A (en) * | 2014-06-06 | 2014-09-10 | 兴乐电缆有限公司 | High-tensile flexible corrosion-resistant degaussing cable for ship |
| CN204288858U (en) * | 2014-12-12 | 2015-04-22 | 人民电缆集团有限公司 | Colloid flat cable |
| CN104616761A (en) * | 2015-01-22 | 2015-05-13 | 安徽德源电缆集团有限公司 | Flat cable of elevator |
| CN107346676A (en) * | 2017-08-15 | 2017-11-14 | 上海起帆电缆股份有限公司 | A kind of marine exploration system special cable |
| CN209729539U (en) * | 2019-04-22 | 2019-12-03 | 郑州宇晨电缆电线有限公司 | A kind of flat type tensile cable |
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Application publication date: 20210309 |