CN112768126A - Cross-linked polyethylene insulation low-smoke halogen-free flame-retardant fire-resistant power cable - Google Patents
Cross-linked polyethylene insulation low-smoke halogen-free flame-retardant fire-resistant power cable Download PDFInfo
- Publication number
- CN112768126A CN112768126A CN202011603326.5A CN202011603326A CN112768126A CN 112768126 A CN112768126 A CN 112768126A CN 202011603326 A CN202011603326 A CN 202011603326A CN 112768126 A CN112768126 A CN 112768126A
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- Prior art keywords
- wall
- limiting
- cable core
- conductors
- cutting
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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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/185—Sheaths comprising internal cavities or channels
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/184—Sheaths comprising grooves, ribs or other projections
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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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
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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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
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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
- H01B7/29—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
- H01B9/00—Power cables
Abstract
The invention discloses a crosslinked polyethylene insulated low-smoke halogen-free flame-retardant fire-resistant power cable core, which comprises a cable core, wherein the cable core comprises an insulating layer, a reinforcing rib and three conductors, the three conductors are mutually abutted and closely contacted and are arranged at equal intervals, and the reinforcing rib is inserted and connected in a cavity formed by enclosing the outer walls of the three conductors; the outer wall of the cable core is coated with the insulating layer, the outer wall of the insulating layer is provided with a plurality of uniformly distributed limiting grooves, the inner wall of each limiting groove is connected with one side of the corresponding limiting strip plate in a sliding mode, two ends of each limiting strip plate are abutted against the inner wall of the corresponding inner sheath, the outer wall of each inner sheath is coated with the armor layer, the outer wall of each armor layer is coated with the mica tape flame-retardant layer, and the outer wall of each mica tape flame-retardant layer is coated with the outer sheath.
Description
Technical Field
The invention relates to a cable, in particular to a crosslinked polyethylene insulated low-smoke halogen-free flame-retardant fire-resistant power cable.
Background
The development and development of the flame-retardant and fire-resistant power cable are started in the 70 th 20 th century, and the flame-retardant and fire-resistant power cable has the functions of excellent fire prevention and combustion resistance, no flame delay and normal power-on operation for a certain time under the condition of ignition and combustion. It is generally understood that the electric wire and cable product does not continue to burn after the fire source subsides, or the burning time is short, etc. when the electric wire and cable product is self-ignited by itself or by an external heat source. It is widely used in important departments such as high-rise buildings, subways, power plants, nuclear power plants, tunnels and the like and public places, and is gradually developing towards low-smoke, low-toxicity, low-halogen or smokeless halogen-free directions.
The existing fire-resistant cable is formed by closely coating and overlapping a multilayer structure, the close structure improves the heat superconducting efficiency between cable mechanisms to a certain extent, and the internal structure of the cable is easy to accumulate and transmit heat to be damaged; meanwhile, the existing heat-resistant cable is insufficient in pressure resistance and bending resistance, and is easy to bend and damage under the action of external force.
Disclosure of Invention
The invention aims to provide a cross-linked polyethylene insulated low-smoke halogen-free flame-retardant fire-resistant power cable to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the cross-linked polyethylene insulated low-smoke halogen-free flame-retardant fire-resistant power cable comprises a cable core, wherein the cable core comprises an insulating layer, reinforcing ribs and three conductors, the three conductors are mutually abutted and tightly contacted and are arranged at equal intervals, the reinforcing ribs are alternately inserted and connected in a cavity formed by enclosing the outer walls of the three conductors, and the outer walls of the three conductors are all wrapped with mica tape fire-resistant layers;
the cable comprises an inner sheath, a cable core, an insulating layer, a plurality of limiting grooves, a limiting slat, an armor layer and an outer sheath, wherein the outer wall of the cable core is wrapped with the insulating layer, the outer wall of the insulating layer is provided with the plurality of uniformly distributed limiting grooves, the inner wall of each limiting groove is connected with one side of the limiting slat in a sliding mode, two ends of each limiting slat are abutted against the inner wall of the inner sheath, the outer wall of the inner sheath is wrapped with;
the preparation method of the cable core comprises the following steps:
the method comprises the following steps: arranging the three conductors at equal intervals and sending the three conductors into a limiting mechanism, and sending the reinforcing ribs into a cavity formed by enclosing the outer walls of the three conductors to finish limiting combination of the reinforcing ribs and the three conductors;
step two: the combination of the reinforcing ribs and the three conductors is guided and conveyed through the limiting mechanism, and the insulating layer is coated on the outer wall of the cable core by a cable coating machine to complete the preparation of the cable core:
the assembling method of the limiting strip plate comprises the following steps:
the method comprises the following steps: limiting the cable core through a limiting pipe, and forming a limiting groove on the surface of the insulating layer through a cutting mechanism fixedly arranged on the limiting pipe;
step two: the position of the limiting groove is fixed through the attaching mechanism, and then the limiting slat is limited, guided and clamped with the limiting groove.
As a further scheme of the invention: stop gear includes a plurality of evenly distributed's dead lever, a plurality of a spacing section of thick bamboo inner wall one end fixedly connected with the one end of dead lever all with the outer wall fixed connection of spacing ring, the middle part of a spacing section of thick bamboo inlays the motor of leading of being equipped with a plurality of evenly distributed, the equal fixedly connected with of output of leading the motor leads the gyro wheel of sending.
As a further scheme of the invention: the mechanism cuts is including cutting the case, cut one side of incasement wall and rotate and install and cut the motor, the output fixedly connected with that cuts the motor cuts changeing the roller, cut the sword that cuts of a plurality of evenly distributed of middle part fixedly connected with of changeing the roller, the bottom fixedly connected with baffler that cuts the incasement wall, the cutting groove, a plurality of are cut to a plurality of has been seted up at the middle part of baffler, a plurality of one side that cuts the sword cuts the inner wall interlude in groove with a plurality of respectively and is connected.
As a further scheme of the invention: laminating mechanism is including the laminating case, laminating incasement wall one side is rotated and is installed the guide and change the roller, the one end of spacing section of thick bamboo inner wall is rotated and is connected with the laminating and changes the roller, the joint groove has been seted up to the inner wall of laminating commentaries on classics roller, the feed chute has been seted up to one side of laminating case, the inner wall of feed chute alternates with the middle part of spacing slat and is connected, the one end of spacing slat is walked around the guide and is changeed the roller wall and be connected with the inner wall block in joint groove.
As a further scheme of the invention: the top that cuts incasement wall alternates and is connected with the cooling tube, the one end fixed mounting of cooling tube has atomizer, atomizer's output orientation cuts the sword, the other end and the external water supply equipment of cooling tube communicate with each other.
As a further scheme of the invention: the middle part of the inner wall of the limiting pipe is fixedly connected with a guide plate, and one side of the guide plate is provided with a limiting roller.
Compared with the prior art, the invention has the beneficial effects that: according to the cross-linked polyethylene insulated low-smoke halogen-free flame-retardant fireproof power cable, the limiting strip plates are arranged, the two ends of the limiting strip plates are in abutting contact with the inner sheath, direct contact between the cable core and the inner sheath is reduced, the pressure resistance and the protection capability of the cable are improved, the heat conduction efficiency is weakened, the heat resistance and the fire resistance of the cable are improved, the cable core is in sliding connection with the limiting strip plates, when the cable is subjected to external force, greatly twisted and bent, the cable core has larger deformation displacement space relative to the inner sheath and other structures, and meanwhile, the cable core has stronger anti-pulling and bending capabilities through the arrangement of the reinforcing ribs.
Drawings
FIG. 1 is a cross-sectional view of a cross-linked polyethylene insulated low-smoke halogen-free flame-retardant fire-resistant power cable;
FIG. 2 is a perspective view of the spacing cylinder of the present invention;
FIG. 3 is a perspective view of the spacing tube of the present invention;
FIG. 4 is a cross-sectional view of a spacing cylinder of the present invention;
FIG. 5 is a cross-sectional view of the cutting box of the present invention;
fig. 6 is a cross-sectional view of the fitting box of the present invention.
In the figure: 1. an insulating layer; 2. reinforcing ribs; 3. a conductor; 4. a limiting groove; 5. a limiting batten; 6. an inner sheath; 7. an armor layer; 8. a mica tape refractory layer; 9. an outer sheath; 10. a limiting cylinder; 11. fixing the rod; 12. a limiting ring; 13. a guide motor; 14. a guide roller; 15. cutting a box; 16. cutting the motor; 17. cutting and rotating the roller; 18. cutting knife; 19. a barrier plate; 20. a material guiding roller; 21. laminating and rotating the roller; 22. a cooling tube; 23. an atomizing spray head; 24. a guide plate; 25. limiting the idler wheel; 26. a limiting pipe; 27. and (5) fitting the box.
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. 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. 1-6, in the embodiment of the present invention, the cross-linked polyethylene insulated low-smoke halogen-free flame-retardant fire-resistant power cable includes a cable core, the cable core includes an insulating layer 1, a reinforcing rib 2 and three conductors 3, the three conductors 3 are mutually abutted and tightly contacted and arranged at equal intervals, the reinforcing rib 2 is inserted and connected in a cavity enclosed by outer walls of the three conductors 3, and mica tape fire-resistant layers 8 are wrapped around outer walls of the three conductors 3;
the outer wall of the cable core is coated with an insulating layer 1, the outer wall of the insulating layer 1 is provided with a plurality of uniformly distributed limiting grooves 4, the inner wall of each limiting groove 4 is connected with one side of each limiting strip plate 5 in a sliding mode, two ends of each limiting strip plate 5 are abutted to the inner wall of the inner sheath 6, the outer wall of the inner sheath 6 is coated with an armor layer 7, and the outer wall of the armor layer 7 is coated with an outer sheath 9;
the preparation method of the cable core comprises the following steps:
the method comprises the following steps: arranging the three conductors 3 at equal intervals and sending the three conductors into a limiting mechanism, and sending the reinforcing ribs 2 into a cavity formed by enclosing the outer walls of the three conductors 3 to finish limiting combination of the reinforcing ribs 2 and the three conductors 3;
step two: guide the combination of 2 and three conductors 3 of strengthening rib through stop gear and carry to by the cable covering machine with 1 cladding of insulating layer in the cable core outer wall, accomplish the preparation of cable core:
the assembling method of the limit lath 5 comprises the following steps:
the method comprises the following steps: the cable core is limited through a limiting pipe 26, and a limiting groove 4 is formed in the surface of the insulating layer 1 through a cutting mechanism fixedly arranged on the limiting pipe 26;
step two: the position of the limiting groove 4 is fixed through the attaching mechanism, and then the limiting slat 5 is limited and guided and clamped with the limiting groove 4.
The limiting mechanism comprises a limiting cylinder 10, wherein one end of the inner wall of the limiting cylinder is fixedly connected with a plurality of fixing rods 11 which are uniformly distributed, one ends of the fixing rods 11 are fixedly connected with the outer wall of a limiting ring 12, a plurality of guide motors 13 which are uniformly distributed are embedded in the middle of the limiting cylinder 10, and the output ends of the guide motors 13 are fixedly connected with guide rollers 14; the conveying position of the reinforcing rib 2 is limited by the limiting ring 12, and the reinforcing rib 2 and the three conductors 3 are pushed to be combined for guide conveying by the aid of the guide roller 14, so that resistance between the inner wall of the limiting cylinder 10 and the conductors 3 is reduced.
The cutting mechanism comprises a cutting box 15, a cutting motor 16 is rotatably mounted on one side of the inner wall of the cutting box 15, the output end of the cutting motor 16 is fixedly connected with a cutting rotary roller 17, the middle part of the cutting rotary roller 17 is fixedly connected with a plurality of cutting knives 18 which are uniformly distributed, the bottom of the inner wall of the cutting box 15 is fixedly connected with a separation plate 19, the middle part of the separation plate 19 is provided with a plurality of cutting grooves, and one sides of the plurality of cutting knives 18 are respectively inserted and connected with the inner walls of the plurality of cutting grooves; the plurality of cutting knives 18 are arranged on one cutting roller 17 and used for simultaneously cutting the plurality of limiting grooves 4, so that the distance of the cutting knives 18 is kept stable, and the consistent distance between the cut limiting grooves 4 is ensured.
The laminating mechanism comprises a laminating box 27, a material guide rotating roller 20 is rotatably mounted on one side of the inner wall of the laminating box 27, one end of the inner wall of the limiting cylinder 10 is rotatably connected with the laminating rotating roller 21, a clamping groove is formed in the inner wall of the laminating rotating roller 21, a feeding groove is formed in one side of the laminating box 27, the inner wall of the feeding groove is connected with the middle of the limiting strip plate 5 in an inserting mode, and one end of the limiting strip plate 5 bypasses the wall of the material guide rotating roller 20 and is connected with the inner wall of the clamping groove in a clamping mode; guarantee the stable laminating of spacing slat 5 and spacing groove 4.
The top of the inner wall of the cutting box 15 is connected with a cooling pipe 22 in an inserting way, one end of the cooling pipe 22 is fixedly provided with an atomizing nozzle 23, the output end of the atomizing nozzle 23 faces the cutting knife 18, and the other end of the cooling pipe 22 is communicated with external water supply equipment; the cutting knife 18 is cooled down, and the continuous and stable operation of the cutting operation is ensured.
The middle part of the inner wall of the limiting tube 26 is fixedly connected with a guide plate 24, and one side of the guide plate 24 is provided with a limiting roller 25. The movement of the cable core is limited and guided, so that the limiting groove 4 can be stably clamped with the limiting strip plate 5.
After the equipment of the limiting strip plate 5 is completed, the armoring and cladding work of the inner sheath 6, the armoring layer 7, the mica tape fire-resistant layer 8 and the outer sheath 9 is completed in sequence through the armoring equipment and the cladding mechanism which are arranged outside, and the integral preparation of the cable is completed;
the cable core is when preparing, arranges and sends into spacing logical with three conductor 3 equidistant, sends into the spacing ring 12 with strengthening rib 2 in, then leads and send motor 13 to start, drives to lead and send gyro wheel 14 to rotate, leads the transport to strengthening rib 2 and three conductor 3's combination, through setting up in the cable covering machine of 10 one ends of spacing section of thick bamboo to by the cable covering machine with 1 cladding of insulating layer in the cable core outer wall, accomplish the preparation of cable core:
when the limiting strip plate 5 is assembled, the cable core is conveyed into the limiting pipe 26 to limit the cable core, the cutting motor 16 is started to drive the cutting roller 17 and the cutting knife 18 to rotate, and the surface of the insulating layer 1 is provided with the limiting groove 4;
then through the roll connection of spacing gyro wheel 25 and spacing groove 4, play supplementary and spacing effect to the transport of cable core, then to spacing slat 5 through the guide of guide commentaries on classics roller 20 and laminating commentaries on classics roller 21 effect, carry out spacing guide and send and make it and spacing groove 4 block to spacing slat 5.
"fixedly connected" as described in the present invention means that two parts connected to each other are fixed together, typically by welding, screwing or gluing; "rotationally coupled" means that two components are coupled together and capable of relative motion.
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, "a plurality" means 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.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (6)
1. The utility model provides a fire-retardant fire-resistant power cable of crosslinked polyethylene insulation low smoke and zero halogen, includes the cable core, the cable core includes insulating layer (1), strengthening rib (2) and three conductor (3), its characterized in that, three conductor (3) support each other tight contact and equidistant arrangement, three interlude is connected with strengthening rib (2) in the cavity that the outer wall of conductor (3) enclosed and close and constitutes, the outer wall of three conductor (3) all has mica tape flame retardant coating (8) around the package;
the cable comprises an insulating layer (1) and a cable core, wherein the outer wall of the cable core is coated with the insulating layer (1), the outer wall of the insulating layer (1) is provided with a plurality of limit grooves (4) which are uniformly distributed, the inner wall of each limit groove (4) is connected with one side of a limit batten (5) in a sliding mode, two ends of each limit batten (5) are abutted to the inner wall of an inner sheath (6), the outer wall of each inner sheath (6) is coated with an armor layer (7), and the outer wall of each armor layer (7) is coated with an outer sheath (;
the preparation method of the cable core comprises the following steps:
the method comprises the following steps: arranging the three conductors (3) at equal intervals and sending the three conductors into a limiting mechanism, and sending the reinforcing ribs (2) into a cavity formed by enclosing the outer walls of the three conductors (3) to finish limiting combination of the reinforcing ribs (2) and the three conductors (3);
step two: the combination of the reinforcing ribs (2) and the three conductors (3) is guided and conveyed through the limiting mechanism, and the insulating layer (1) is coated on the outer wall of the cable core by a cable coating machine to complete the preparation of the cable core:
the assembling method of the limiting strip plate (5) comprises the following steps:
the method comprises the following steps: the cable core is limited through a limiting pipe (26), and a limiting groove (4) is formed in the surface of the insulating layer (1) through a cutting mechanism fixedly arranged on the limiting pipe (26);
step two: the position of the limiting groove (4) is fixed through the attaching mechanism, and then the limiting slat (5) is limited and guided and is clamped with the limiting groove (4).
2. The cross-linked polyethylene insulated low-smoke halogen-free flame-retardant fire-resistant power cable according to claim 1, wherein the limiting mechanism comprises a plurality of fixing rods (11) which are uniformly distributed and fixedly connected to one end of the inner wall of a limiting cylinder (10), one ends of the fixing rods (11) are fixedly connected to the outer wall of a limiting ring (12), a plurality of uniformly distributed guide motors (13) are embedded in the middle of the limiting cylinder (10), and guide rollers (14) are fixedly connected to the output ends of the guide motors (13).
3. The utility model discloses an insulating fire-retardant fire-resistant power cable of low smoke and zero halogen of crosslinked polyethylene, a serial communication port, cut the mechanism including cutting case (15), one side of cutting case (15) inner wall is rotated and is installed and cut motor (16), the output end fixedly connected with who cuts motor (16) changes roller (17), cut sword (18) of cutting that the middle part fixedly connected with a plurality of evenly distributed of changeing roller (17), bottom fixedly connected with baffler (19) of cutting case (15) inner wall, a plurality of cutting groove, a plurality of have been seted up at the middle part of baffler (19) one side of cutting sword (18) cuts the inner wall interlude in groove with a plurality of respectively and is connected.
4. The insulating low smoke and zero halogen fire-retardant fire-resistant power cable of crosslinked polyethylene of claim 2, characterized in that, laminating mechanism includes laminating case (27), laminating case (27) inner wall one side is rotated and is installed guide and change roller (20), the one end of spacing section of thick bamboo (10) inner wall is rotated and is connected with laminating and changes roller (21), the joint groove has been seted up to the inner wall of laminating commentaries on classics roller (21), the feed chute has been seted up to one side of laminating case (27), the inner wall of feed chute alternates with the middle part of spacing slat (5) and is connected, the one end of spacing slat (5) is walked around the guide and is changed roller (20) wall and be connected with the inner wall block in joint groove.
5. The insulating low smoke and zero halogen fire-retardant fire-resistant power cable of crosslinked polyethylene of claim 3, characterized in that, the top of cutting case (15) inner wall alternates and is connected with cooling tube (22), the one end fixed mounting of cooling tube (22) has atomizer (23), the output orientation of atomizer (23) cuts sword (18), the other end and the external water supply equipment of cooling tube (22) communicate with each other.
6. The cross-linked polyethylene insulated low-smoke halogen-free flame-retardant fire-resistant power cable according to claim 1, wherein a guide plate (24) is fixedly connected to the middle of the inner wall of the limiting tube (26), and a limiting roller (25) is arranged on one side of the guide plate (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011603326.5A CN112768126A (en) | 2020-12-30 | 2020-12-30 | Cross-linked polyethylene insulation low-smoke halogen-free flame-retardant fire-resistant power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011603326.5A CN112768126A (en) | 2020-12-30 | 2020-12-30 | Cross-linked polyethylene insulation low-smoke halogen-free flame-retardant fire-resistant power cable |
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| CN112768126A true CN112768126A (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011603326.5A Pending CN112768126A (en) | 2020-12-30 | 2020-12-30 | Cross-linked polyethylene insulation low-smoke halogen-free flame-retardant fire-resistant power cable |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006260898A (en) * | 2005-03-16 | 2006-09-28 | Auto Network Gijutsu Kenkyusho:Kk | Shield conductive line and manufacturing method for sheet-like conductive line |
| CN206271452U (en) * | 2016-12-02 | 2017-06-20 | 江苏瑞扬线缆有限公司 | A kind of high-strength cable |
| CN108122637A (en) * | 2016-11-28 | 2018-06-05 | 江苏瑞扬线缆有限公司 | A kind of novel cable |
| CN208225573U (en) * | 2018-06-11 | 2018-12-11 | 深圳联阳科技有限公司 | The communications cable of stable structure |
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2020
- 2020-12-30 CN CN202011603326.5A patent/CN112768126A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006260898A (en) * | 2005-03-16 | 2006-09-28 | Auto Network Gijutsu Kenkyusho:Kk | Shield conductive line and manufacturing method for sheet-like conductive line |
| CN108122637A (en) * | 2016-11-28 | 2018-06-05 | 江苏瑞扬线缆有限公司 | A kind of novel cable |
| CN206271452U (en) * | 2016-12-02 | 2017-06-20 | 江苏瑞扬线缆有限公司 | A kind of high-strength cable |
| CN208225573U (en) * | 2018-06-11 | 2018-12-11 | 深圳联阳科技有限公司 | The communications cable of stable structure |
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