CN203799729U - Novel flame-retardant rare earth aluminum alloy cable - Google Patents
Novel flame-retardant rare earth aluminum alloy cable Download PDFInfo
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- CN203799729U CN203799729U CN201420096564.5U CN201420096564U CN203799729U CN 203799729 U CN203799729 U CN 203799729U CN 201420096564 U CN201420096564 U CN 201420096564U CN 203799729 U CN203799729 U CN 203799729U
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- aluminium alloy
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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
Abstract
The utility model relates to a novel flame-retardant rare earth aluminum alloy cable, which comprises conductors, wherein each conductor is extruded with a silane crosslinked polyethylene insulating layer ; the periphery of the silane crosslinked polyethylene insulating layers is filled with a first layer of glass fiber belt; the first layer of glass fiber belt is wrapped with a mica belt; the mica belt is wrapped with a wrapping steel wire layer; the wrapping steel wire layer is wrapped with a second layer of glass fiber belt; the second layer of glass fiber belt is wrapped with a low-smoke halogen-free polyolefin insulating layer; an aluminum alloy interlocked armor is arranged outside the low-smoke halogen-free polyolefin insulating layer; the aluminum alloy interlocked armor is sleeved with a third layer of glass fiber belt; and the third layer of glass fiber belt is extruded with a low-smoke halogen-free polyolefin outer sheath. The novel flame-retardant rare earth aluminum alloy cable has the advantages of being flexible, voltage resistant and impact resistant, high in fire resistant level, light in weight and convenient to install since the aluminum alloy interlocked armor is better than the traditional steel belt armor; and the rare earth element in the rare earth aluminum alloy greatly improves the mechanical performance and safety performance of the aluminum alloy conductor materials, so that the aluminum alloy cable has excellent performances.
Description
Technical field
The utility model relates to cables manufacturing technical field, specifically a kind of novel flame-retardant rare earth aluminium alloy cable.
Background technology
Along with people's scope of activities constantly expands, living environment difference is multifarious, various novel cables constantly occur, especially along with the day by day high stratification of people's living environment, deepization, densification, people also more and more pay attention to for the strick precaution of fire, and well behaved fireproof cable also becomes people's active demand.
Fire protection flame retarding cable quality on market is uneven; in use there is possibly dangerous situation in the so-called flame retardant cable of part; traditional fire-resisting cable that is conductor with aluminium core there will be aluminium core fusing phenomenon in the time that fire occurs; common fire-resisting cable is in the time of experience fire; the plastic layer extruding on it generation toxic smog that can burn; affect people's life security; and the general employing of common fire-resisting cable protective layer is steel-tape armouring; protective capability to cable is lower, also makes cable moving inconvenience.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides a kind of novel flame-retardant rare earth aluminium alloy cable.
The utility model solves its technical problem and realizes by the following technical solutions:
A kind of novel flame-retardant rare earth aluminium alloy cable, comprises conductor, is extruded with organosilane crosslinked polyethylene insulation layer on described conductor, and organosilane crosslinked polyethylene has good thermal endurance and insulating properties; Described organosilane crosslinked polyethylene insulation layer is filled with ground floor glass fibre belt around; Described ground floor glass fibre belt is around with mica tape, the features such as that glass fibre belt has is high temperature resistant, insulation, insulation, fire protection flame retarding, corrosion-resistant, ageing-resistant, weatherability, high strength, smooth in appearance, the mica tape coefficient of expansion is little, dielectric strength is large, resistivity is high, dielectric constant is even, in addition mica tape thermal endurance class is high, can reach the fire-resistant level of A level (950 1 1000 DEG C); Described mica tape is provided with wrapped steel wire floor outward, and wrapped steel wire floor is spring-like and is wound around, and in ensureing that cable has certain flexibility, cable has been played to the effect of strengthening and protection; Described wrapped steel wire floor is around with second layer glass fibre belt; Described second layer glass fibre belt is wrapped with low-smoke halogen-free polyolefin insulating barrier; Described low-smoke halogen-free polyolefin insulating barrier is provided with the chain armouring of aluminium alloy outward, the chain armouring of aluminium alloy carries out chain mutual button between layers, and cable is played to good protective effect, has improved the survivability of cable, and fire-retardant rank is high, applicable to requiring higher place; The chain armouring overcoat of described aluminium alloy has the 3rd layer of glass fibre belt; On described the 3rd layer of glass fibre belt, be extruded with low-smoke halogen-free polyolefin oversheath.
Described conductor is rare earth aluminium alloy, the problem such as the interpolation of rare earth element has improved common aluminum alloy bad mechanical strength, easily fractures, copper-aluminium transition bad connection.
The chain armouring of described aluminium alloy is 5000 annealed series alloys bands, and the aluminium alloy of annealed processing is with respect to fine aluminium, and creep-resistant property improves 300%, the electrical connection of manufacturing with aluminium alloy and the same safety and stability of connection of manufacturing with copper conductor.The composition of aluminium alloy has improved its switching performance greatly, in the time that conductor is annealed, the ferro element of interpolation produces high-strength creep resistant performance, even at long term overloading with when overheated, also can ensure stable connection, well solve and done conductor terminal with fine aluminium and connect and occur creep relaxation phenomenon.
Described wrapped steel wire floor gauge of wire used be no more than wrapped steel wire floor wrapped section diameter 25%, to prevent because of wrapped steel wire diameter excessively, affect the flexibility of cable.
The beneficial effects of the utility model are: the utlity model has that reasonable in design, good airproof performance, use safety, fire resistance are good, mechanical strength advantages of higher, the chain armouring of aluminium alloy has made up ordinary copper core fire-resisting cable or the deficiency such as band-armored weight is large, impact resistant capability is poor, the chain armouring of aluminium alloy is better than traditional steel-tape armouring, have flexible, resistance to compression impact property, fire-resistant rank is high, lightweight, be convenient to install; Rare earth element in rare earth aluminium alloy has improved mechanical performance and the security performance of aluminum-alloy conductor material greatly, makes aluminium alloy cable properties excellence, longer service life.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is front view overall structure schematic diagram of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, a kind of novel flame-retardant rare earth aluminium alloy cable, comprises conductor 1, on described conductor 1, is extruded with organosilane crosslinked polyethylene insulation layer 2, and organosilane crosslinked polyethylene has good thermal endurance and insulating properties; Described organosilane crosslinked polyethylene insulation layer 2 is filled with ground floor glass fibre belt 3 around; Described ground floor glass fibre belt 3 is around with mica tape 4, the features such as that glass fibre belt has is high temperature resistant, insulation, insulation, fire protection flame retarding, corrosion-resistant, ageing-resistant, weatherability, high strength, smooth in appearance, mica tape 4 coefficients of expansion are little, dielectric strength is large, resistivity is high, dielectric constant is even, in addition mica tape 4 thermal endurance classs are high, can reach the fire-resistant level of A level (950 1 1000 DEG C); Outside described mica tape 4, be provided with wrapped steel wire floor 5, wrapped steel wire floor 5 is spring-like and is wound around, and in ensureing that cable has certain flexibility, cable has been played to the effect of strengthening and protection; Described wrapped steel wire floor 5 is around with second layer glass fibre belt 6; Described second layer glass fibre belt 6 is wrapped with low-smoke halogen-free polyolefin insulating barrier 7; The outer chain armouring 8 of aluminium alloy that is provided with of described low-smoke halogen-free polyolefin insulating barrier 7, the chain armouring 8 of aluminium alloy carries out chain mutual button between layers, and cable is played to good protective effect, has improved the survivability of cable, and fire-retardant rank is high, applicable to requiring higher place; Chain armouring 8 overcoats of described aluminium alloy have the 3rd layer of glass fibre belt 9; On described the 3rd layer of glass fibre belt 9, be extruded with low-smoke halogen-free polyolefin oversheath 10.
Described conductor 1 is rare earth aluminium alloy, the problem such as the interpolation of rare earth element has improved common aluminum alloy bad mechanical strength, easily fractures, copper-aluminium transition bad connection.
The chain armouring 8 of described aluminium alloy is 5000 annealed series alloys bands, and the aluminium alloy of annealed processing is with respect to fine aluminium, and creep-resistant property improves 300%, by the electrical connection of aluminium alloy manufacture and the same safety and stability of connection of manufacturing with copper conductor 1.The composition of aluminium alloy has improved its switching performance greatly, in the time that conductor 1 is annealed, the ferro element of interpolation produces high-strength creep resistant performance, even at long term overloading with when overheated, also can ensure stable connection, well solve and done conductor 1 terminal with fine aluminium and connect and occur creep relaxation phenomenon.
Described wrapped steel wire floor 5 gauge of wire used be no more than wrapped steel wire wrapped section diameter 25%, to prevent because of wrapped steel wire diameter excessively, affect the flexibility of cable.
More than show and described general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. a novel flame-retardant rare earth aluminium alloy cable, comprises conductor, it is characterized in that: on described conductor, be extruded with organosilane crosslinked polyethylene insulation layer; Described organosilane crosslinked polyethylene insulation layer is filled with ground floor glass fibre belt around; Described ground floor glass fibre belt is around with mica tape; Described mica tape is provided with wrapped steel wire floor outward; Described wrapped steel wire floor is around with second layer glass fibre belt; Described second layer glass fibre belt is wrapped with low-smoke halogen-free polyolefin insulating barrier; Described low-smoke halogen-free polyolefin insulating barrier is provided with the chain armouring of aluminium alloy outward; The chain armouring overcoat of described aluminium alloy has the 3rd layer of glass fibre belt; On described the 3rd layer of glass fibre belt, be extruded with low-smoke halogen-free polyolefin oversheath.
2. a kind of novel flame-retardant rare earth aluminium alloy cable according to claim 1, is characterized in that: the chain armouring of described aluminium alloy is 5000 annealed series alloys bands.
3. a kind of novel flame-retardant rare earth aluminium alloy cable according to claim 1, is characterized in that: described wrapped steel wire floor gauge of wire used be no more than wrapped steel wire floor wrapped section diameter 25%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420096564.5U CN203799729U (en) | 2014-03-04 | 2014-03-04 | Novel flame-retardant rare earth aluminum alloy cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420096564.5U CN203799729U (en) | 2014-03-04 | 2014-03-04 | Novel flame-retardant rare earth aluminum alloy cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203799729U true CN203799729U (en) | 2014-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420096564.5U Expired - Fee Related CN203799729U (en) | 2014-03-04 | 2014-03-04 | Novel flame-retardant rare earth aluminum alloy cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN203799729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103886993A (en) * | 2014-03-04 | 2014-06-25 | 安徽亚神电缆集团有限公司 | Novel inflaming retarding rare earth aluminum alloy cable |
-
2014
- 2014-03-04 CN CN201420096564.5U patent/CN203799729U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103886993A (en) * | 2014-03-04 | 2014-06-25 | 安徽亚神电缆集团有限公司 | Novel inflaming retarding rare earth aluminum alloy cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20160304 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |