CN112133470B - Cross-linked polyethylene insulation low-smoke halogen-free flame-retardant computer cable - Google Patents
Cross-linked polyethylene insulation low-smoke halogen-free flame-retardant computer cable Download PDFInfo
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- CN112133470B CN112133470B CN202011011681.3A CN202011011681A CN112133470B CN 112133470 B CN112133470 B CN 112133470B CN 202011011681 A CN202011011681 A CN 202011011681A CN 112133470 B CN112133470 B CN 112133470B
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- splicing block
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- cable
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- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
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- 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
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
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- 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
- H01B7/0009—Details relating to the conductive cores
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- 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
-
- 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
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- 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
- H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
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- Spectroscopy & Molecular Physics (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a cross-linked polyethylene insulated low-smoke halogen-free flame-retardant computer cable which comprises a waterproof protective sleeve, a total shielding layer, fillers, isolation layers, split-phase shielding layers, polyester film belts, insulating layers, cable cores, fixture blocks and a second magnetic ring, wherein the total shielding layer is arranged inside the waterproof protective sleeve; the low-halogen low-smoke flame-retardant polyvinyl chloride has the characteristics of low smoke generation amount and small HCl gas amount during combustion besides flame retardant property; the cable core adopts concentric layer hank, and transmission parameter is stable, reducible electromagnetic coupling, improvement anti-interference ability.
Description
Technical Field
The invention belongs to the field of computer cables, and particularly relates to a cross-linked polyethylene insulated low-smoke halogen-free flame-retardant computer cable.
Background
The computer cable requires high rated power and good anti-interference performance, the traditional cable ground core insulation adopts polyethylene material with oxidation resistance and low density, and the computer cable is widely applied to computer systems or automation devices for detection and control in power generation, metallurgy, petroleum, chemical engineering, light textile and other departments and general industrial computers at present, so that the computer cable has higher requirements on signal transmission capacity and anti-interference performance and can reliably transmit weak analog signals;
present computer cable still has certain defect when using, because the length of cable is comparatively fixed when installing computer cable, can not splice the cable, thereby unable convenient control cable's length, when the certain section of cable breaks off, be not convenient for carry out quick dismantlement and change to it, and the inside wire of cable influences each other because the electrical property, do not play fine insulation and keep apart the effect, thereby information transmission's efficiency has been reduced, consequently need design a crosslinking polyethylene insulation low smoke and zero halogen flame retarded computer cable.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a cross-linked polyethylene insulated low-smoke halogen-free flame-retardant computer cable, wherein a waterproof protective sleeve, a total shielding layer, a filler, an isolation layer, a split-phase shielding layer, a polyester film tape and an insulation layer are arranged in the cable; the cable core adopts concentric layer twisting, so that transmission parameters are stable, electromagnetic coupling can be reduced, and anti-interference performance is improved; insert the spliced pole of second concatenation piece inside the inserting groove of first concatenation piece to rotatory first concatenation piece, make the fixture block be located inside the draw-in groove, and cooperate the first magnetic ring and the second magnetic ring of inter attraction, make first concatenation piece and the second concatenation piece closely laminate, can carry out the concatenation of different length to the cable, make things convenient for control cable's length, when certain section of cable breaks, can get rid of the cable at this section place and replace new cable, convenient to detach and change.
The purpose of the invention can be realized by the following technical scheme:
a cross-linked polyethylene insulated low-smoke halogen-free flame-retardant computer cable comprises a waterproof protective sleeve, a total shielding layer, fillers, isolation layers, split-phase shielding layers, polyester film belts, insulating layers, cable cores, clamping blocks and a second magnetic ring, wherein the total shielding layer is arranged inside the waterproof protective sleeve; be provided with fire-retardant protective sheath between water proof cover and the total shielding layer, the first concatenation piece of one side fixedly connected with of fire-retardant protective sheath, the opposite side fixedly connected with second concatenation piece of fire-retardant protective sheath, the thickness value of fire-retardant protective sheath is less than water proof cover's thickness value, and fire-retardant protective sheath and water proof cover closely laminate.
As a further scheme of the invention: the outer side surface middle position of the first splicing block is fixedly embedded with a first connecting post, the outer side surface middle position of the second splicing block is fixedly embedded with a second connecting post, the first connecting post and the second connecting post are fixedly connected with a guide post, the guide post is fixedly connected with a connecting wire, the outer side surface of the first splicing block is provided with two groups of inserting grooves and two groups of limiting grooves, the first splicing block is internally provided with two groups of clamping grooves, the outer side surface of the second splicing block is fixedly connected with two groups of inserting rods, the outer side surface of the inserting rods is far away from one end of the second splicing block and is fixedly connected with a clamping block, the outer side surface of the first splicing block is close to the edge position and is fixedly embedded with a first magnetic ring, and the outer side surface of the second splicing block is close to the edge position and is fixedly embedded with a second magnetic ring.
As a further scheme of the invention: the two groups of limiting grooves and the two groups of inserting grooves are symmetrically arranged about the first connecting column, the first splicing block is movably connected with the second splicing block through the two groups of inserting rods matched with the inserting grooves and the limiting grooves, and the clamping blocks are matched with the clamping grooves.
As a further scheme of the invention: the first connecting column is matched with the second connecting column, and the first magnetic ring and the second magnetic ring are designed into opposite magnets.
As a further scheme of the invention: the cable comprises the following specific working steps:
firstly, a worker fits four groups of sliding blocks with four groups of sliding chutes to attach and install the flame-retardant protective sleeve on the inner side wall of the waterproof protective sleeve;
and step two, the first connecting column is connected and matched with the second connecting column, the plug-in rod of the second splicing block is inserted into the plug-in groove of the first splicing block, the first splicing block is rotated, the clamping block is positioned inside the clamping groove, and the first magnetic ring and the second magnetic ring which are mutually attracted are matched, so that the first splicing block and the second splicing block are tightly attached, the cables can be spliced in different lengths, the length of the cables is conveniently controlled, and signal connection among multiple sections of cables can be carried out through the guide columns and the connecting lines.
Compared with the prior art, the invention has the following beneficial effects:
1. the cable is internally provided with a waterproof protective sleeve, a total shielding layer, a filler, an isolation layer, a split-phase shielding layer, a polyester film tape and an insulation layer, and the low-halogen low-smoke flame-retardant polyvinyl chloride has the characteristics of low smoke generation amount during combustion and small HCl gas amount besides flame retardant property; the cable core adopts concentric layer hank, and transmission parameter is stable, reducible electromagnetic coupling, improves anti-interference ability.
2. Insert the spliced pole of second concatenation piece inside the inserting groove of first concatenation piece to rotatory first concatenation piece, make the fixture block be located inside the draw-in groove, and cooperate the first magnetic ring and the second magnetic ring of inter attraction, make first concatenation piece and the second concatenation piece closely laminate, can carry out the concatenation of different length to the cable, make things convenient for control cable's length, when certain section of cable breaks, can get rid of the cable at this section place and replace new cable, convenient to detach and change.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a cross-linked polyethylene insulated low-smoke halogen-free flame-retardant computer cable according to the present invention;
FIG. 2 is a front view of a cross-linked polyethylene insulated low smoke zero halogen flame retardant computer cable of the present invention;
FIG. 3 is a schematic view of the internal structure of a cross-linked polyethylene insulated low-smoke halogen-free flame-retardant computer cable according to the present invention.
In the figure: 1. a waterproof protective sleeve; 2. a total shielding layer; 3. a filler; 4. an isolation layer; 5. a split-phase shielding layer; 6. a polyester film tape; 7. an insulating layer; 8. a cable core; 9. a clamping block; 10. a second magnetic ring; 11. a connecting wire; 12. a first magnetic ring; 13. a second connecting column; 14. a guide post; 15. a card slot; 16. a limiting groove; 17. a slider; 18. a first splice block; 19. a first connecting column; 20. a second splice block; 21. a plug rod; 22. a chute; 23. fire-retardant protective sheath.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a cross-linked polyethylene insulated low-smoke halogen-free flame-retardant computer cable includes a waterproof protective sleeve 1, a total shielding layer 2, fillers 3, an isolation layer 4, a split-phase shielding layer 5, a polyester film tape 6, an insulation layer 7, a cable core 8, a clamping block 9 and a second magnetic ring 10, wherein the total shielding layer 2 is arranged inside the waterproof protective sleeve 1, the two fillers 3 are arranged inside the total shielding layer 2, the two isolation layers 4 are arranged inside the total shielding layer 2, the split-phase shielding layers 5 are arranged inside the two isolation layers 4, the polyester film tape 6 is arranged on one sides of the two split-phase shielding layers 5 far away from the isolation layer 4, the two insulation layers 7 are arranged inside the two polyester film tapes 6, and the cable cores 8 are arranged inside the four insulation layers 7; the cable core 8 is stranded concentrically, the anti-interference capability is strong, and the two insulating layers 7 are made of polyvinyl chloride, polyethylene, cross-linked polyethylene, halogen-free low-smoke flame-retardant polyolefin, fluoroplastic silicon rubber and the like; the materials of the total shielding layer 2 and the split-phase shielding layer 5 comprise woven copper wires, copper strips, aluminum-plastic composite strips, copper-plastic composite strips and the like;
be provided with fire-retardant protective sheath 23 between waterproof protective sheath 1 and the total shielding layer 2, the first splice 18 of one side fixedly connected with of fire-retardant protective sheath 23, the opposite side fixedly connected with second splice 20 of fire-retardant protective sheath 23, the thickness value of fire-retardant protective sheath 23 is less than the thickness value of waterproof protective sheath 1, and fire-retardant protective sheath 23 closely laminates with waterproof protective sheath 1.
Through the technical scheme: a first connecting post 19 is fixedly embedded in the middle of the outer side surface of the first splicing block 18, a second connecting post 13 is fixedly embedded in the middle of the outer side surface of the second splicing block 20, the first connecting post 19 and the second connecting post 13 are both fixedly connected with a transmission post 14, the transmission post 14 is fixedly connected with a connecting wire 11, two groups of inserting grooves and two groups of limiting grooves 16 are arranged on the outer side surface of the first splicing block 18, two groups of clamping grooves 15 are arranged inside the first splicing block 18, two groups of insertion rods 21 are fixedly connected with the outer side surfaces of the second splicing blocks 20, one ends of the outer side surfaces of the two groups of insertion rods 21 far away from the second splicing blocks 20 are fixedly connected with fixture blocks 9, a first magnetic ring 12 is fixedly embedded at the position of the outer side surface of the first splicing block 18 close to the edge, and a second magnetic ring 10 is fixedly embedded at the position, close to the edge, of the outer side surface of the second splicing block 20.
Through the technical scheme: the two groups of limiting grooves 16 and the two groups of inserting grooves are symmetrically arranged about the first connecting column 19, the first splicing block 18 is movably connected with the second splicing block 20 through the two groups of inserting rods 21 matched with the inserting grooves and the limiting grooves 16, and the clamping block 9 is matched with the clamping groove 15.
Through the technical scheme: the first connecting column 19 is matched with the second connecting column 13, and the first magnetic ring 12 and the second magnetic ring 10 are designed to be opposite magnets.
A cross-linked polyethylene insulation low-smoke halogen-free flame-retardant computer cable, firstly, a worker fits four groups of sliding grooves 22 through four groups of sliding blocks 17 to mount a flame-retardant protective sleeve 23 on the inner side wall of a waterproof protective sleeve 1 in a fitting manner, then a first connecting column 19 is connected and fitted with a second connecting column 13, a plug rod 21 of a second splicing block 20 is inserted into a plug groove of a first splicing block 18, the first splicing block 18 is rotated to enable a clamping block 9 to be positioned inside a clamping groove 15, and the first splicing block 18 and the second splicing block 20 which are mutually attracted are matched to be tightly fitted, splicing of different lengths can be carried out on the cable, the length of the cable is conveniently controlled, signal connection among a plurality of sections of cables can be carried out through a transmission guide column 14 and a connecting line 11, when a certain section of the cable is broken, the cable at the section can be removed and replaced by a new cable, it is convenient to dismantle and change it.
The invention has the beneficial effects that:
1. the cable is internally provided with a waterproof protective sleeve, a total shielding layer, a filler, an isolation layer, a split-phase shielding layer, a polyester film belt and an insulation layer, and the low-halogen low-smoke flame-retardant polyvinyl chloride has the characteristics of low smoke generation amount and small HCl gas amount during combustion besides flame retardant performance; the cable core adopts concentric layer hank, and transmission parameter is stable, reducible electromagnetic coupling, improves anti-interference ability.
2. Insert the spliced pole of second concatenation piece inside the inserting groove of first concatenation piece to rotatory first concatenation piece, make the fixture block be located inside the draw-in groove, and cooperate the first magnetic ring and the second magnetic ring of inter attraction, make first concatenation piece and the second concatenation piece closely laminate, can carry out the concatenation of different length to the cable, make things convenient for control cable's length, when certain section of cable breaks, can get rid of the cable at this section place and replace new cable, convenient to detach and change.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (3)
1. The cross-linked polyethylene insulated low-smoke halogen-free flame-retardant computer cable is characterized by comprising a waterproof protective sleeve (1), a total shielding layer (2), fillers (3), an isolation layer (4), a split-phase shielding layer (5), a polyester film strip (6), an insulation layer (7), a cable core (8), a fixture block (9) and a second magnetic ring (10), wherein the total shielding layer (2) is arranged inside the waterproof protective sleeve (1), the two fillers (3) are arranged inside the total shielding layer (2), the two isolation layers (4) are arranged inside the total shielding layer (2), the split-phase shielding layers (5) are arranged inside the two isolation layers (4), the polyester film strip (6) is arranged on one side, away from the isolation layer (4), of the two split-phase shielding layers (5), the two insulation layers (7) are arranged inside the polyester film strip (6), cable cores (8) are arranged inside the four insulating layers (7), and the cable cores (8) are stranded in concentric layers; a flame-retardant protective sleeve (23) is arranged between the waterproof protective sleeve (1) and the total shielding layer (2), a first splicing block (18) is fixedly connected to one side of the flame-retardant protective sleeve (23), a second splicing block (20) is fixedly connected to the other side of the flame-retardant protective sleeve (23), the thickness value of the flame-retardant protective sleeve (23) is smaller than that of the waterproof protective sleeve (1), and the flame-retardant protective sleeve (23) is tightly attached to the waterproof protective sleeve (1);
a first connecting post (19) is fixedly embedded in the middle of the outer side surface of the first splicing block (18), a second connecting post (13) is fixedly embedded in the middle of the outer side surface of the second splicing block (20), two groups of inserting grooves and two groups of limiting grooves (16) are formed in the outer side surface of the first splicing block (18), two groups of clamping grooves (15) are formed in the first splicing block (18), two groups of inserting rods (21) are fixedly connected to the outer side surface of the second splicing block (20), a clamping block (9) is fixedly connected to one end, far away from the second splicing block (20), of the outer side surface of the first splicing block (18), close to the edge position, of the first splicing block (12) is fixedly embedded in the outer side surface of the first splicing block (18), a second magnetic ring (10) is fixedly embedded at the position, close to the edge, of the outer side surface of the second splicing block (20);
the cross-linked polyethylene insulated low-smoke halogen-free flame-retardant computer cable comprises the following specific working steps:
firstly, a worker fits four groups of sliding blocks (17) with four groups of sliding grooves (22) to attach and install a flame-retardant protective sleeve (23) on the inner side wall of a waterproof protective sleeve (1);
and step two, the first connecting column (19) is connected and matched with the second connecting column (13), the plug-in rod (21) of the second splicing block (20) is inserted into the plug-in groove of the first splicing block (18), the first splicing block (18) is rotated, the clamping block (9) is located inside the clamping groove (15), the first magnetic ring (12) and the second magnetic ring (10) which are mutually attracted are matched, the first splicing block (18) and the second splicing block (20) are tightly attached, splicing of different lengths of the cables can be carried out, the lengths of the cables can be conveniently controlled, and signal connection between multiple sections of cables can be carried out through the guide columns and the connecting lines.
2. The cross-linked polyethylene insulated low-smoke halogen-free flame-retardant computer cable according to claim 1, wherein two sets of the limiting grooves (16) and two sets of the inserting grooves are symmetrically arranged about the first connecting post (19), the first splicing block (18) is movably connected with the second splicing block (20) through two sets of inserting rods (21) matched with the inserting grooves and the limiting grooves (16), and the clamping block (9) is matched with the clamping groove (15).
3. The computer cable of claim 1, wherein the first connecting post (19) and the second connecting post (13) are engaged, and the first magnetic ring (12) and the second magnetic ring (10) are designed as opposite magnets.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011011681.3A CN112133470B (en) | 2020-09-23 | 2020-09-23 | Cross-linked polyethylene insulation low-smoke halogen-free flame-retardant computer cable |
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| CN202011011681.3A CN112133470B (en) | 2020-09-23 | 2020-09-23 | Cross-linked polyethylene insulation low-smoke halogen-free flame-retardant computer cable |
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| CN112133470B true CN112133470B (en) | 2022-06-24 |
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| CN112768134B (en) * | 2021-01-06 | 2022-06-28 | 江西新吉电缆有限公司 | Cross-linked polyethylene insulation halogen-free low-smoke flame-retardant shielding computer cable |
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| CN201142250Y (en) * | 2008-01-07 | 2008-10-29 | 江苏长峰电缆有限公司 | Composite conductor environment friendly flame-proof type signal cable |
| CN207367659U (en) * | 2017-09-26 | 2018-05-15 | 扬州市金阳光电缆有限公司 | A kind of intrinsic safety type flexible data transmission cable |
| CN209199630U (en) * | 2018-11-10 | 2019-08-02 | 深圳市金宁达科技有限公司 | A kind of cable cover(ing) of Wear-resistant, high-temperature resistant |
| CN210467391U (en) * | 2019-10-25 | 2020-05-05 | 辽宁沈鹏电力科技有限公司 | Cable for power transmission |
| CN111128458B (en) * | 2019-12-16 | 2021-07-02 | 东莞市领亚智能科技有限公司 | Flame-retardant rubber sleeve cable and splicing method |
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