CN209015759U - A kind of construction project flame retardant type jacketed cable - Google Patents
A kind of construction project flame retardant type jacketed cable Download PDFInfo
- Publication number
- CN209015759U CN209015759U CN201822125416.2U CN201822125416U CN209015759U CN 209015759 U CN209015759 U CN 209015759U CN 201822125416 U CN201822125416 U CN 201822125416U CN 209015759 U CN209015759 U CN 209015759U
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- layer
- flame
- retardant
- cable
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Abstract
The utility model proposes a kind of construction project flame retardant type jacketed cables, from outside to inside, including external sheath layer, inner restrictive coating, and the filled layer in inner sheath and at least one cable core, cable core includes insulating layer and is twisted bundles of conductor in insulating layer, it is characterised in that: insulating layer is silane crosslinked halogen-free low-smoke flame-proof polyolefin insulating layer；Insulating layer is externally provided with the first flame-retardant layer, and the first flame-retardant layer is fire resistant ceramic silicone rubber material layer；The filler of filled layer is the PP flame resistant filler rope for adulterating basalt fibre silk；The second flame-retardant layer is equipped between external sheath layer and inner restrictive coating, the second flame-retardant layer is halogen-free and low-smoke flame-retardant polyolefin layer；The outer surface of second flame-retardant layer is coated with flame retardant of magnesium hydroxide coating.Cable core structure is improved to reinforce the anti-flammability of cable core, sheath layer structure is improved to improve the flame retardant property of sheath, and design the comprehensive performance for improving cable by filled layer.
Description
Technical field
The utility model relates to flame retardant cables, especially related with flame retardant type jacketed cable to a kind of construction project.
Background technique
Flame retardant cable is mainly used for transmitting and distributing electric energy, possesses over one hundred year history.It is usually used in Urban Underground power grid, hair
In the construction projects such as the submarine transmission line of the lead line in power station, the in-line power of industrial and mining enterprises and crossing river and sea.Construction project
In cable, need to have the characteristics such as higher anti-flammability, anti-corrosive properties, structural strength, with meet can have for case of emergency
Certain adaptibility to response.It is also higher and higher for the performance requirement of flame retardant cable with the progress of construction project technology, therefore,
The cable with high flame retardant is developed, construction project can be catered to for the demand of high end cable.
Utility model content
The utility model proposes a kind of construction project flame retardant type jacketed cables, improve cable core structure to reinforce cable core
Anti-flammability improves sheath layer structure to improve the flame retardant property of sheath, and is designed by filled layer and improve cable
Comprehensive performance.
To achieve the goals above, the utility model uses following technology:
A kind of construction project flame retardant type jacketed cable, from outside to inside, including external sheath layer, inner restrictive coating, and be located at
Filled layer and at least one cable core in inner restrictive coating, cable core include insulating layer and are twisted bundles of lead in insulating layer
Body, it is characterised in that:
Insulating layer is silane crosslinked halogen-free low-smoke flame-proof polyolefin insulating layer；
Insulating layer is externally provided with the first flame-retardant layer, and the first flame-retardant layer is fire resistant ceramic silicone rubber material layer；
The filler of filled layer is the PP flame resistant filler rope for adulterating basalt fibre silk；
The second flame-retardant layer is equipped between external sheath layer and inner restrictive coating, the second flame-retardant layer is halogen-free and low-smoke flame-retardant polyolefin
Layer；
The outer surface of inner restrictive coating is coated with flame retardant of magnesium hydroxide coating.
Further, the external sheath layer is halogen-free flameproof PE sheath.
Further, the inner restrictive coating is halogen-free flameproof PE sheath.
Further, first flame-retardant layer is externally provided with protective metal shell clad.
Further, the protective metal shell clad is aluminum or steel.
The utility model beneficial effect is:
1, it is adopted as silane crosslinked halogen-free low-smoke flame-proof polyolefin insulating layer, in conjunction with using fire resistant ceramic silicone rubber material layer
The first flame-retardant layer and the second flame-retardant layer using halogen-free and low-smoke flame-retardant polyolefin layer, good insulation can not only be reached and imitated
Fruit, and the flame retardant property of construction project sheath type cable is greatly improved, it can be shown more when the condition of a disaster is met an urgent need in reply
Add good environmental-protecting performance；
2, on the basis of above structure characteristic, it is coated with flame retardant of magnesium hydroxide coating in the outer surface of inner restrictive coating,
Advanced optimize and improve the overall flame effect of cable；
3, filled layer is filled using PP flame resistant filler rope and basalt fibre silk, is conducive to ensuring insulation filling
While effect, reinforce flame retardant effect, and the structural strength and corrosion-and high-temp-resistant effect of cable can be improved；
4, preferred, interior oversheath is all made of halogen-free flameproof PE sheath, reinforces flame retardant property；
5, preferred, the protective metal shell clad of aluminum or steel is had additional outside the first flame-retardant layer, conducive to cable core is improved
Mechanical strength can also assist improving flame retardant property simultaneously.
Detailed description of the invention
Fig. 1 is the utility model three-dimensional view.
Fig. 2 is the end view of the utility model embodiment.
Wherein, 1- cable core, 11- conductor, 12- insulating layer, the first flame-retardant layer of 13-, 14- protective metal shell clad, 2- filling
Layer, 3- inner restrictive coating, 4- external sheath layer, the second flame-retardant layer of 5-, 6- reinforce coating.
Specific embodiment
In order to keep the purpose, technical solution and specific implementation method of the application apparent, in conjunction with attached Example to this Shen
It please be further elaborated.
As shown in Figure 1 and 2, a kind of construction project flame retardant type jacketed cable, from outside to inside, including external sheath layer 4, interior shield
Jacket layer 3, and filled layer 2 and at least one cable core 1 in inner restrictive coating 3, cable core 1 include insulating layer 12 and are located at exhausted
Bundles of conductor 11 is twisted in edge layer 12.
The preambles technique such as drawn, made annealing treatment to plain conductor first.
Process is carried out to multiple solid conductors using conventional stranding machine to obtain being twisted bundles of conductor 11.
The processing of insulating layer 12 is completed by extruding machine, specific insulating layer 12 is poly- using silane crosslinked halogen-free low-smoke and flame retardant
Alkene carries out extruding operation.
The first flame-retardant layer 13 is processed by extrusion process, specific first flame-retardant layer 13 uses fire resistant ceramic silicone rubber material
It is formed in outside insulating layer 12 by extrusion process.
As shown in Figure 2, it is preferred that the first flame-retardant layer 13 is externally provided with the protective metal shell clad 14 of aluminum or steel, passes through
Armoured process completes the process.
Cable core 1 is completed to prepare.
It is as shown in Figure 1 and 2 cable core 1 using 3 embodiments, makes cable core 1 is twisted to constitute core by twisted synthesizing cable technique
Group,
In the process, PP flame resistant filler rope is added and basalt fibre silk forms filled layer 2, filled layer 2 is for guaranteeing
The roundness of cable.
Inner restrictive coating 3 is prepared using extrusion process, it is preferred that inner restrictive coating 3 is halogen-free flameproof PE sheath.
The coating for carrying out flame retardant of magnesium hydroxide by coating processes in the outer surface of inner restrictive coating 3, forms magnesium hydroxide
Fire retardant coating 6.
On this basis, the second flame-retardant layer 5 is prepared using extrusion process, is carried out using halogen-free and low-smoke flame-retardant polyolefin material
It is extruded into.
On this basis, external sheath layer 4 is prepared using extrusion process, it is preferred that external sheath layer 4 is halogen-free flameproof PE shield
Set.
Complete the preparation of construction project flame retardant type jacketed cable.
The construction project of the utility model flame retardant type jacketed cable, is adopted as silane crosslinked halogen-free low-smoke flame-proof polyolefin
Insulating layer, in conjunction with the first flame-retardant layer using fire resistant ceramic silicone rubber material layer and the using halogen-free and low-smoke flame-retardant polyolefin layer
Two flame-retardant layers can not only reach good insulation effect, and greatly improve the fire-retardant of construction project sheath type cable
Performance can show more good environmental-protecting performance when the condition of a disaster is met an urgent need in reply.
The construction project of the utility model flame retardant type jacketed cable, on the basis of above structure characteristic, in inner sheath
The outer surface of layer is coated with flame retardant of magnesium hydroxide coating, advanced optimizes and improve the overall flame effect of cable.
The construction project of the utility model flame retardant type jacketed cable uses PP flame resistant filler rope and basalt to filled layer
Fiber filament is filled, and is conducive to while ensuring insulation filling effect, reinforces flame retardant effect, and the knot of cable can be improved
Structure intensity and corrosion-and high-temp-resistant effect.
The utility model is by improving cable core structure to reinforce the anti-flammability of cable core, by carrying out to sheath layer structure
It improves to improve the flame retardant property of sheath, and designs the comprehensive performance for improving cable by filled layer.
Claims (5)
1. a kind of construction project flame retardant type jacketed cable, from outside to inside, including external sheath layer (4), inner restrictive coating (3), and
Filled layer (2) and at least one cable core (1) in inner restrictive coating (3), cable core (1) include insulating layer (12) and are located at exhausted
Bundles of conductor (11) are twisted in edge layer (12), it is characterised in that:
Insulating layer (12) is silane crosslinked halogen-free low-smoke flame-proof polyolefin insulating layer；
Insulating layer (12) is externally provided with the first flame-retardant layer (13), and the first flame-retardant layer (13) is fire resistant ceramic silicone rubber material layer；
The filler of filled layer (2) is the PP flame resistant filler rope for adulterating basalt fibre silk；
The second flame-retardant layer (5) are equipped between external sheath layer (4) and inner restrictive coating (3), the second flame-retardant layer (5) is LSOH anti-flaming
Polyolefin layer；
The outer surface of inner restrictive coating (3) is coated with flame retardant of magnesium hydroxide coating (6).
2. construction project according to claim 1 flame retardant type jacketed cable, which is characterized in that the external sheath layer (4)
For halogen-free flameproof PE sheath.
3. construction project according to claim 1 flame retardant type jacketed cable, which is characterized in that the inner restrictive coating (3)
For halogen-free flameproof PE sheath.
4. construction project according to claim 1 flame retardant type jacketed cable, which is characterized in that first flame-retardant layer
(13) protective metal shell clad (14) are externally provided with.
5. construction project according to claim 4 flame retardant type jacketed cable, which is characterized in that the protective metal shell cladding
Layer (14) is aluminum or steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822125416.2U CN209015759U (en) | 2018-12-18 | 2018-12-18 | A kind of construction project flame retardant type jacketed cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822125416.2U CN209015759U (en) | 2018-12-18 | 2018-12-18 | A kind of construction project flame retardant type jacketed cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209015759U true CN209015759U (en) | 2019-06-21 |
Family
ID=66844018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822125416.2U Expired - Fee Related CN209015759U (en) | 2018-12-18 | 2018-12-18 | A kind of construction project flame retardant type jacketed cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209015759U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111048255A (en) * | 2019-12-04 | 2020-04-21 | 安徽华通电缆集团有限公司 | High-flame-retardant ultraviolet-irradiation-proof power cable for rail transit |
| CN112927848A (en) * | 2021-01-25 | 2021-06-08 | 郭智昊 | Copper clad aluminum conductor low-smoke halogen-free A-class flame-retardant power cable |
| WO2022100287A1 (en) * | 2020-11-16 | 2022-05-19 | 江苏亨通光电股份有限公司 | Full-dry flame-retardant optical cable and forming method therefor |
-
2018
- 2018-12-18 CN CN201822125416.2U patent/CN209015759U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111048255A (en) * | 2019-12-04 | 2020-04-21 | 安徽华通电缆集团有限公司 | High-flame-retardant ultraviolet-irradiation-proof power cable for rail transit |
| WO2022100287A1 (en) * | 2020-11-16 | 2022-05-19 | 江苏亨通光电股份有限公司 | Full-dry flame-retardant optical cable and forming method therefor |
| CN112927848A (en) * | 2021-01-25 | 2021-06-08 | 郭智昊 | Copper clad aluminum conductor low-smoke halogen-free A-class flame-retardant power cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190621 Termination date: 20211218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |