CN201590277U - Armored cable - Google Patents
Armored cable Download PDFInfo
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- CN201590277U CN201590277U CN201020023034XU CN201020023034U CN201590277U CN 201590277 U CN201590277 U CN 201590277U CN 201020023034X U CN201020023034X U CN 201020023034XU CN 201020023034 U CN201020023034 U CN 201020023034U CN 201590277 U CN201590277 U CN 201590277U
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Abstract
The utility model provides an improved armored cable which is characterized in that an armored layer is twisted by non-circular single wires, and the non-circular single wires are aluminum-clad steel core wires. Compared with the existing armored cable, the armored cable not only has higher tensile strength and compression strength, higher radial and longitudinal mechanical protection force and strong anti-external destructive force capability, but also has large grounding and fault short circuit capacity, functions of water resistance, rodent resistance, termite resistance, flame retardance, electromagnetic shielding interference resistance, lightning protection and the like, longer service life and light weight; furthermore, the armoring is produced and completed on an ordinary wire twisting device, thereby realizing fast production speed which is about 3 times of that of the existing armoring.
Description
Technical field
Utility model is about the improvement to armoured cable; relate in particular to a kind of have more high radial and vertically mechanical protection power; the failed shorted electric current is big, has functions such as waterproof, protection against rodents, anti-ant, fire-retardant, anti-electromagnetic shielding interference, lightning protection simultaneously, the armoured cable of longer service life.
Background technology
Armoured cable is mainly used in the occasion that can bear certain mechanical external force in the work, and armoured cable is divided into two kinds of citation forms usually, and promptly steel wire twines armouring and the wrapped armouring of steel band, and armour can replace earth connection simultaneously.Band-armored be usually used in bearing certain normal pressure (extruding force) and not the tension field of force close, as the soil directly buried installation; Steel wire armored cable mainly is laid in existing certain normal pressure longitudinal pulling force effect occasion again, as in the water, vertical vertical shaft or the big occasion of drop, but it is still lower to bear the longitudinal pulling force ability.Although its extensive application at present, expose many problems in actual use: an armouring only is 345～495MPa with tensile strength of wire, armouring tape tensile strength＜370MPa, thereby it is big inadequately to bear external force; Two steel wires, steel band resistance relatively large (steel wire conductance 9%IACS), the failed shorted capacity is little, and operation troubles rate height can not be used for important events, more can not be used for frequently area of lightening activity; Three armouring wires, steel strip surface zinc layer come off armour weak point in useful life because electrochemical reaction is corroded easily; Four steel wires, steel-tape armouring slit are bigger, the one, as easy as rolling off a log water inlet or vertically make moist after oversheath breaks, cause the cable fault rate significantly to improve, shortened cable useful life, increased the circuit operation and maintenance cost, two make termite enter or mouse destruction easily, sheath, insulating barrier in the destructible armouring, cause the cable phase fault, cause operation troubles; Five armouring wires, steel band permeability height, shield effectiveness is poor, can not be used for serious local use of electromagnetic interference; Six wire armoring surface irregularities easily rise by " lantern ", and steel-tape armouring has not only reduced the armouring effect easily because of putting up projection, and the easy damaged oversheath, and needing usually increases by two layers of band outside armour, and effect is also undesirable; Big (the steel density 7.8g/cm of seven armour weight
3), freight is big, and difficulty of construction is also big; Eight invar silks, steel band consistency and elasticity are big, and armouring needs special-purpose armored equipment, and production efficiency is low, and general armouring speed is lower than 10m/min.
The disclosed lotus mining cable that holds of Chinese patent CN2749028 adopts first winding steel wire to be surrounded with steel-tape armouring again, makes cable existing than high-tensile, and very high shock resistance, tension stress, anti-extrusion ability are arranged again, has improved the fail safe of cable external force resistance breakage.This armouring only is comprehensive wire armoring and steel-tape armouring advantage, and what can reach only is to have stronger tension and resistance to compression simultaneously, but other shortcomings are not overcome yet.
The disclosed armoured cable of Chinese patent CN201266507, adopt the type of wire form single-wire armoured, utilize steel wire can bear bigger pulling force, the integral body that can constitute the type single line plays and is similar to the steel band function, shock resistance, tension stress, anti-extrusion, make it both have steel wire armoured advantage, have the steel-tape armouring advantage again.What it reached equally only is both armouring function combinations, and overcomes steel wire, the bigger shortcoming in steel-tape armouring slit, and other shortcomings are not overcome yet.
The applicant formerly applies for a patent the CN2837992 armoured cable, and armour is taked carbon fibre composite.What solve equally is that tension and resistance to compression improve simultaneously, its deficiency: the one, and cost is higher, and it is unfavorable to bring to popularization, and the 2nd, armour is an insulator, can not replace neutrality or earth connection to use.
Above-mentioned deficiency still has is worth improved place.
The utility model content
The utility model purpose is to overcome the deficiency of above-mentioned prior art, and a kind of both had higher tension and anti-pressure ability are provided, and can overcome the armoured cable of all deficiencies of existing armouring again.
The utility model purpose realizes that main the improvement is that not only sheathed structure employing cross section is the stranded armouring of type single line of non-round line, and armouring type single line employing aluminium Baogang core composite construction, thereby overcomes above-mentioned the deficiencies in the prior art, realizes the utility model purpose.Specifically, the utility model armoured cable comprises insulation cable core and outer metal armouring layer, it is characterized in that armour is stranded by non-round single line, and said non-round single line is an aluminium clad steel wire.
Utility model is said:
The insulation cable core comprises the single core of insulation, and the insulation multicore, and this is identical with the prior art armoured cable.
Non-round single line is similar to lead or cable with special-shaped molded lines conductor, and for example armouring type single line cross section can be special-shaped molded lines commonly used cross sections such as Z type, watt shape, trapezoidal, arc, fan-shaped, herringbone.
The special-shaped type single line of aluminium Baogang core for guaranteeing that high electrical conductivity and the stranded coefficient etc. that presses are arranged, a kind ofly is preferably monolateral aluminum layer thickness greater than 0.1mm, for example at 0.1-0.8mm, blocked uply increases sectional area under proof strength for a moment, and two can reduce a dress layer performance.Its inner core steel wire cross section is not limit, and for example can be circular, can be special-shaped molded lines cross section yet, and for example trapezoidal, Z-shaped, fan-shaped etc., steel core section is answered 〉=1mm
2, the cross section is too small the blocked up deficiency of aforementioned aluminium lamination can to occur.Steel wire in the aluminium-clad steel wire can be high-strength or the strong steel wire of extra-high-speed, also can be non magnetic rustless steel wire or invar silk.
Stranded mode is identical with the stranded molded lines lead of prior art.
The utility model armoured cable, owing to adopt the special-shaped molded lines of aluminium Baogang stranded as armour, with respect to prior art, because of aluminium-clad steel wire has bigger tensile strength, tensile strength is at 700～2200Mpa, and conductance is than steel wire or steel band height, and the conductance scope adopts the stranded armouring of molded lines structure at 14%IACS～40%IACS in addition.Make armoured cable not only have higher tension and compression strength, thereby have very high radially and vertically mechanical protection function, anti-extraneous destructive power is strong; And ground connection and failed shorted capacity are big, and anti-thunder ability is strong, can be used for the frequent area of lightening activity and use, and the conductance that its armour is high relatively, can be used for serving as neutral core or ground connection core and use, can reduce one and thoroughly do away with the edge core, help reducing cost.Particularly: aluminium Baogang molded lines, surperficial aluminium lamination specific heat capacity is big than steel relatively, thereby has stronger heat-sinking capability, when ignition of cable, can prolong the running time of cable, provides the quality time for suing and labouring after catching fire; Secondly, the surface aluminium lamination is much soft than steel relatively, thereby have the higher coefficient that presses, and stranded armouring is smooth, tight, and activity coefficient is big, fill system greater than 93% (the shaped steel line is 86-90%), seamless fully, block water and insect protected ability strong (termite, mouse are difficult for entering destruction), stranded closely also have when catching fire and can enter in the armour by blocking oxygen, thereby have certain anti-flaming function, can reduce fire retarding material for cable and use; Besides, surperficial aluminium lamination permeability is lower than armouring wire, steel band, and its aluminium-steel composites structure can play electromagnetic shielding action, can be used for serious local use of electromagnetic interference; In addition, aluminium-clad steel wire density is little, is 4.64～7.14g/cm according to conductance different densities scope
3, less than steel wire density 7.8g/cm
3, under the same cross-sectional situation, armour is in light weight, not only can save cost of transportation, and more convenient laying; Aluminium, bimetal copper-steel are combined closely, and can not produce zinc-plated armour because of the electrochemical reaction corrosion phenomenon, have strengthened the fail safe of cable greatly, and can prolong armouring useful life greatly; In addition, aluminium-clad steel wire is low than steel wire, steel band hardness relatively, thereby can produce on common wire twisting equipment and finish armouring, and speed of production is fast, and (speed reaches 28～35m/min), and the production efficiency height reaches about 3 times of existing armourings.These advantages are that the prior art armoured cable does not possess, and first aluminium clad steel wire are used for cable armouring in the industry, are that cable industry one is innovated greatly, have broken through the range of application of aluminium-clad steel wire in cable.
Optimize specific embodiment below in conjunction with several; utility model essence is further understood in exemplary illustration and help; but the embodiment detail only is for utility model is described; do not represent utility model design whole technical schemes down; therefore should not be construed as the total technical scheme of utility model is limited; some are In the view of the technical staff; the unsubstantiality that does not depart from the utility model design increases and/or change; for example change or replace, all truely use novel protected scope so that technical characterictic with same or similar technique effect is simple.
Description of drawings
Fig. 1 is the first example structure schematic diagram.
Fig. 2 is the second example structure schematic diagram.
Fig. 3 is the 3rd example structure schematic diagram.
Fig. 4 is the 4th example structure schematic diagram.
Fig. 5 is the 5th example structure schematic diagram.
Fig. 6 is the 6th example structure schematic diagram.
Embodiment
Embodiment 1: referring to Fig. 1, the utility model armoured cable, by three by round conductor 1 and insulation 2 insulated wire cores of forming, have between insulated wire cores and fill 3, wrapped band 4 protects 5 in extruding behind the stranding, watt type single line 6 stranded armourings that make with the high-strength round wire of aluminium bag the back, and press, make and press coefficient and reach more than 93%, extrude outer jacket 7 at last.
Embodiment 2: referring to Fig. 2, as embodiment 1, the insulation cable core is for by 4 sector conductors 1 and insulate and 2 form, and wrapped band 4 behind the stranding protects 5 in extruding, and watt type single line 6 stranded armourings with aluminium bag scallop wire is made extrude outer jacket 7 outward.This structure has bigger conductive section under same cross section, and can omit circle to fill.
Embodiment 3: referring to Fig. 3, with embodiment 1, wherein armour is the aluminium Z-shaped type single line 6 that the shape steel wire makes that takes all of.
Embodiment 4: referring to Fig. 4, and with embodiment 1, the aluminium Baogang type single line 6 of armour wherein, steel core is respectively circular and the fan-shaped watt shape type single line of making in the adjacent type single line.
Embodiment 5: referring to Fig. 5, with embodiment 1, wherein each insulated wire cores has interior external shield and metallic shield (not shown), and steel wire is a watt type in the armouring aluminium Baogang type single line, and armouring type single line 6 also is a watt type.
Embodiment 6: referring to Fig. 6, with embodiment 1, the insulation cable core is 5 cored structure cables, and wherein the center is circle insulated wire cores 8, and periphery has 4 fan-shaped insulated wire cores 9, and armouring aluminium Baogang type single line 6 is Z-shaped, and interior steel wire is alternate to be respectively circular and Z-shaped.
In the foregoing description, the aluminium lamination single face thickness of aluminium Baogang core pattern line is at 0.1-0.8mm, steel core section 〉=1mm
2, look concrete armoured cable use occasion and require to select and determine armour activity coefficient 〉=93%.
To those skilled in the art; under this patent design and specific embodiment enlightenment; some distortion that can directly derive or associate from this patent disclosure and general knowledge; those of ordinary skills will recognize also can adopt additive method; or the substituting of known technology commonly used in the prior art; and the mutual various combination between feature; for example can also change and multiple version armoured cable; armouring aluminium Baogang type single line changes of section; and interior section of steel wire changes; or the like unsubstantiality change; can be employed equally; can both realize and basic identical function of the foregoing description and effect, launch for example no longer one by one to describe in detail, all belong to this patent protection range.
Claims (6)
1. armoured cable comprises insulation cable core and outer metal armouring layer, it is characterized in that armour is stranded by non-round single line, and said non-round single line is an aluminium clad steel wire.
2. according to the described armoured cable of claim 1, it is characterized in that type single line cross section is trapezoidal or Z-shaped.
3. according to the described armoured cable of claim 1, it is characterized in that the aluminium lamination single face thickness 0.1-0.8mm of aluminium Baogang core pattern single line.
4. according to claim 1,2 or 3 described armoured cables, it is characterized in that the steel core section 〉=1mm of aluminium Baogang core pattern single line
2
5. according to the described armoured cable of claim 4, it is characterized in that stranded armour activity coefficient 〉=93%.
6. according to claim 1,2 or 3 described armoured cables, it is characterized in that stranded armour activity coefficient 〉=93%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020023034XU CN201590277U (en) | 2010-01-20 | 2010-01-20 | Armored cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020023034XU CN201590277U (en) | 2010-01-20 | 2010-01-20 | Armored cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201590277U true CN201590277U (en) | 2010-09-22 |
Family
ID=42750067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020023034XU Expired - Lifetime CN201590277U (en) | 2010-01-20 | 2010-01-20 | Armored cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201590277U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102982864A (en) * | 2012-11-27 | 2013-03-20 | 扬州市霍斯特仪表阀门线缆制造有限公司 | Multi-wire combined welding cable and manufacturing method thereof |
| CN103456408A (en) * | 2012-06-05 | 2013-12-18 | 河南科信电缆有限公司 | Novel armored seabed suspension carbon fiber cable |
| CN108447596A (en) * | 2018-05-07 | 2018-08-24 | 福建新远东电缆有限公司 | A kind of shoe segmentation cable and preparation method thereof |
| CN113140364A (en) * | 2021-04-25 | 2021-07-20 | 渝丰科技股份有限公司 | Long-life cable |
| CN114758829A (en) * | 2022-04-11 | 2022-07-15 | 远东电缆有限公司 | High-cold-resistance special-shaped armored medium-voltage cable and preparation method thereof |
-
2010
- 2010-01-20 CN CN201020023034XU patent/CN201590277U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456408A (en) * | 2012-06-05 | 2013-12-18 | 河南科信电缆有限公司 | Novel armored seabed suspension carbon fiber cable |
| CN102982864A (en) * | 2012-11-27 | 2013-03-20 | 扬州市霍斯特仪表阀门线缆制造有限公司 | Multi-wire combined welding cable and manufacturing method thereof |
| CN102982864B (en) * | 2012-11-27 | 2015-09-16 | 扬州市霍斯特仪表阀门线缆制造有限公司 | Multiple wire system Combination Welding cable and manufacture method thereof |
| CN108447596A (en) * | 2018-05-07 | 2018-08-24 | 福建新远东电缆有限公司 | A kind of shoe segmentation cable and preparation method thereof |
| CN113140364A (en) * | 2021-04-25 | 2021-07-20 | 渝丰科技股份有限公司 | Long-life cable |
| CN114758829A (en) * | 2022-04-11 | 2022-07-15 | 远东电缆有限公司 | High-cold-resistance special-shaped armored medium-voltage cable and preparation method thereof |
| CN114758829B (en) * | 2022-04-11 | 2024-04-12 | 远东电缆有限公司 | High-cold-resistance special-shaped armored medium-voltage cable and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100922 |