CN209843330U - Tensile cable with good fireproof performance - Google Patents
Tensile cable with good fireproof performance Download PDFInfo
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- CN209843330U CN209843330U CN201921113400.8U CN201921113400U CN209843330U CN 209843330 U CN209843330 U CN 209843330U CN 201921113400 U CN201921113400 U CN 201921113400U CN 209843330 U CN209843330 U CN 209843330U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses an anti-stretching cable that fire behavior is good, including inoxidizing coating and cable conductor pencil, the inoxidizing coating parcel has the waterproof layer, and the inboard of waterproof layer is provided with the shielding layer, and the inboard parcel of shielding layer is provided with the flame retardant coating, and the inboard parcel of flame retardant coating has the oxygen layer that separates, and the inner chamber that separates the oxygen layer is provided with back-fire relief clay, and the outer wall parcel of cable conductor pencil has the insulating layer, and the cable conductor pencil passes through the cross baffler and keeps apart, and the cross baffler with separate to fill between the oxygen layer has the aramid yarn. The utility model provides a present electric wire fire behavior is relatively poor, and often tensile when cable laying, causes the problem of cable damage easily.
Description
Technical Field
The utility model relates to the technical field of cables, specifically be a stretch-proofing cable that fire behavior is good.
Background
The wire and cable industry is the second industry in China next to the automobile industry, and both the product variety satisfaction rate and the domestic market share rate exceed 90%. The total output value of the electric wires and cables in China exceeds the United states worldwide, and the electric wires and cables become the first large electric wire and cable production control cable country in the world. Along with the high-speed development of the China wire and cable industry, the number of newly added enterprises is continuously increased, and the overall technical level of the industry is greatly improved.
With the development of economy, buildings develop to high-rise, various electrical facilities are increased, the construction of a power grid is accelerated, the hidden danger of fire is increased, and the danger level of fire is increased. According to statistics, the fire caused by the electric circuit reaches 80% in many fire accidents. A large amount of economic losses can be caused by fire disasters, a large amount of toxic and harmful gas can be generated in the cable combustion process, environment pollution is caused, the cable is often stretched when being laid, the cable is easily damaged, and therefore the anti-stretching cable with good fire resistance is designed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a stretch-proofing cable that fire behavior is good solves present electric wire fire behavior relatively poor, and often tensile when cable laying, causes the problem of cable damage easily.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides an anti-stretching cable that fire behavior is good, includes inoxidizing coating and cable conductor pencil, the inoxidizing coating parcel has the waterproof layer, the inboard of waterproof layer is provided with the shielding layer, the inboard parcel of shielding layer is provided with the flame retardant coating, the inboard parcel of flame retardant coating has at a distance from the oxygen layer, the inner chamber that separates the oxygen layer is provided with back-fire relief clay, the outer wall parcel of cable conductor pencil has the insulating layer, the cable conductor pencil passes through the cross baffler and keeps apart, the cross baffler with separate to fill between the oxygen layer and have aramid yarn.
According to the tensile cable with good fireproof performance, the shielding layer is formed by weaving magnesium-aluminum alloy wires and wrapping a layer of copper-plastic tape on the outer side in an overlapping and wrapping mode.
According to the stretch-proofing cable with good fireproof performance, the protective layer is the halogen-free low-smoke flame-retardant polyolefin outer sheath.
According to the stretch-proofing cable with good fireproof performance, the protective layer is the halogen-free low-smoke flame-retardant polyolefin outer sheath.
According to the stretch-proofing cable with good fireproof performance, the oxygen isolation layer comprises the first fireproof mica, the second fireproof mica and the fire-retardant daub, and the oxygen isolation layer is formed by bonding the first fireproof mica, the second fireproof mica and the fire-retardant daub.
According to the stretch-proofing cable with good fireproof performance, the fire retardant daubs are arranged at equal intervals, and an air hole is formed between every two fire retardant daubs.
According to the stretch-proofing cable with good fire resistance, the inner surface of the waterproof layer is coated with the water-blocking ointment.
According to the stretch-proofing cable with good fireproof performance, the outer wall of the protective layer is provided with the wave-shaped polyvinyl fluoride sheath.
The utility model has the advantages that: the utility model has the advantages of reasonable design, cross baffler and separate to fill between the oxygen layer has the aramid yarn, realize the tensile purpose of cable, thereby make the horizontal and fore-and-aft various compressive capacity of cable all satisfy, separate oxygen layer and flame retardant coating through the setting, can play isolated oxygen, can play the effect of fire-retardant fire extinguishing again, dual fire extinguishing structure avoids the intensity of a fire to spread, reduce loss, the life of cable is improved, polyvinyl fluoride sheath surface is established into the wave type, increase cable body surface area, the corrosion resistance of cable is increased, the internal surface of waterproof layer scribbles the oleamen that blocks water, make the cable have water-proof effects, the insulating layer is glass fiber's insulating belting, make the insulating layer still have certain stretch resistance under the prerequisite that has insulating effect, the inoxidizing coating is halogen-free low smoke flame retardant polyolefin oversheath, excellent heat resistance has, cold resistance, Dielectricity, resistant atmospheric aging's performance, it still is the insulator to generate after the burning in addition, generate incombustible ashes and put out by oneself after the burning, have insoluble characteristic, its ashes thing still is the insulator of bone structure, the lasting cladding is on the wire, has good insulating properties, has the advantage of environmental protection performance simultaneously, it is relatively poor to solve present electric wire fire behavior, and often stretch when the cable is laid, causes the problem that the cable damaged easily.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the cable comprises a protective layer, 2, a waterproof layer, 3, a shielding layer, 4, a fireproof layer, 5, a cable conductor harness, 6, an insulating layer, 7, a cross barrier plate, 8, aramid yarn, 9, an oxygen isolation layer, 10 and fire retardant mortar.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1: an anti-stretching cable with good fireproof performance comprises a protective layer 1 and a cable conductor harness 5, wherein the protective layer 1 is a halogen-free low-smoke flame-retardant polyolefin outer sheath, the protective layer 1 is wrapped with a waterproof layer 2, the inner surface of the waterproof layer 2 is coated with water-blocking factice, the outer wall of the protective layer 1 is provided with a wave-shaped polyvinyl fluoride sheath 101, the inner side of the waterproof layer 2 is provided with a shielding layer 3, the shielding layer 3 is formed by weaving magnesium-aluminum alloy wires and overlapping a copper-plastic belt on the outer side, the inner side of the shielding layer 3 is provided with a fireproof layer 4, the inner side of the fireproof layer 4 is wrapped with an oxygen-isolating layer 9, the inner cavity of the oxygen-isolating layer 9 is provided with fire-retardant daub 10, the oxygen-isolating layer 9 comprises first fire-resistant mica, second fire-resistant mica and fire-retardant daub 10, the oxygen-isolating layer 9 is formed by bonding the first fire-resistant mica, the second fire-resistant mica and the, the outer wall parcel of cable conductor pencil 5 has insulating layer 6, and insulating layer 6 is glass fiber's insulating band, and cable conductor pencil 5 keeps apart through cross baffler 7, and cross baffler 7 and separate to fill between the oxygen layer 9 have aramid yarn 8.
To sum up, the utility model discloses when using, cross baffler 7 with separate to fill between the oxygen layer 9 and have aramid yarn 8, realize the tensile purpose of cable, thereby make the horizontal and fore-and-aft various compressive capacity of cable all satisfied, separate oxygen layer 9 and flame retardant coating 4 through the setting, can play isolated oxygen, can play the effect of fire-retardant fire extinguishing again, dual fire extinguishing structure avoids the intensity of a fire to spread, reduce the loss, improve the life of cable, polyvinyl fluoride sheath surface is established into the wave type, increase cable body surface area, increase the corrosion resistance of cable, the internal surface of waterproof layer 2 scribbles the oleamen that blocks water, make the cable have water-proof effects, insulating layer 6 is glass fiber's insulating band, make insulating band still have certain stretch resistance under the prerequisite that has insulating effects, inoxidizing coating 1 is the steamed low smoke flame retardant polyolefin oversheath, excellent heat resistance has, The cable has the advantages of good insulating property, environmental protection property, and the problem that the existing electric wire is poor in fireproof performance, and the cable is often stretched when laid and is easily damaged due to the fact that the existing electric wire is not good in fireproof performance.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. The utility model provides a stretch-proofing cable that fire behavior is good, includes inoxidizing coating (1) and cable conductor pencil (5), its characterized in that: the utility model discloses a cable conductor, including inoxidizing coating (1), inoxidizing coating (1) parcel has waterproof layer (2), the inboard of waterproof layer (2) is provided with shielding layer (3), the inboard parcel of shielding layer (3) is provided with flame retardant coating (4), the inboard parcel of flame retardant coating (4) has at a distance from oxygen layer (9), the inner chamber that separates oxygen layer (9) is provided with back-fire relief clay (10), the outer wall parcel of cable conductor pencil (5) has insulating layer (6), cable conductor pencil (5) are kept apart through cross baffler (7), cross baffler (7) and separate to fill between oxygen layer (9) have aramid yarn (8).
2. The stretch-resistant cable with good fire resistance according to claim 1, wherein: the shielding layer (3) is formed by weaving magnesium-aluminum alloy wires and lapping a layer of copper-plastic tape on the outer side in an overlapping mode.
3. The stretch-resistant cable with good fire resistance according to claim 1, wherein: the protective layer (1) is a halogen-free low-smoke flame-retardant polyolefin outer sheath.
4. The stretch-resistant cable with good fire resistance according to claim 1, wherein: the insulating layer (6) is an insulating wrapping tape made of glass fiber.
5. The stretch-resistant cable with good fire resistance according to claim 1, wherein: the oxygen isolation layer (9) comprises first fireproof mica, second fireproof mica and fire retardant daub (10), and the oxygen isolation layer (9) is formed by bonding the first fireproof mica, the second fireproof mica and the fire retardant daub (10).
6. The stretch-resistant cable with good fire resistance according to claim 1, wherein: the fire retardant daub (10) are arranged at equal intervals, and an air hole is formed between every two fire retardant daubs (10).
7. The stretch-resistant cable with good fire resistance according to claim 1, wherein: and the inner surface of the waterproof layer (2) is coated with water-blocking ointment.
8. The stretch-resistant cable with good fire resistance according to claim 1, wherein: the outer wall of the protective layer (1) is provided with a wave-shaped polyvinyl fluoride sheath (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921113400.8U CN209843330U (en) | 2019-07-16 | 2019-07-16 | Tensile cable with good fireproof performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921113400.8U CN209843330U (en) | 2019-07-16 | 2019-07-16 | Tensile cable with good fireproof performance |
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| Publication Number | Publication Date |
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| CN209843330U true CN209843330U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921113400.8U Active CN209843330U (en) | 2019-07-16 | 2019-07-16 | Tensile cable with good fireproof performance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111243786A (en) * | 2020-02-24 | 2020-06-05 | 广西广缆科技集团有限公司 | Flexible compression-resistant cable for rail transit |
-
2019
- 2019-07-16 CN CN201921113400.8U patent/CN209843330U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111243786A (en) * | 2020-02-24 | 2020-06-05 | 广西广缆科技集团有限公司 | Flexible compression-resistant cable for rail transit |
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