CN201036071Y - Steel core soft aluminum molded line overhead conductor - Google Patents
Steel core soft aluminum molded line overhead conductor Download PDFInfo
- Publication number
- CN201036071Y CN201036071Y CNU2007200373074U CN200720037307U CN201036071Y CN 201036071 Y CN201036071 Y CN 201036071Y CN U2007200373074 U CNU2007200373074 U CN U2007200373074U CN 200720037307 U CN200720037307 U CN 200720037307U CN 201036071 Y CN201036071 Y CN 201036071Y
- Authority
- CN
- China
- Prior art keywords
- transmission
- transmission line
- steel core
- line layer
- wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000010959 steel Substances 0.000 title claims description 30
- 229910000831 Steel Inorganic materials 0.000 title claims description 29
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims description 26
- 229910052782 aluminium Inorganic materials 0.000 title claims description 26
- 239000004020 conductor Substances 0.000 title abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 239000004411 aluminium Substances 0.000 claims description 19
- 238000005728 strengthening Methods 0.000 claims description 11
- 229910001374 Invar Inorganic materials 0.000 claims description 8
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 4
- 239000008397 galvanized steel Substances 0.000 claims description 4
- 238000013021 overheating Methods 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 abstract 2
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 238000000137 annealing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 208000034423 Delivery Diseases 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000001192 hot extrusion Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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- Non-Insulated Conductors (AREA)
Abstract
The utility model relates to a power transmission facility, in particular relates to a power transmission conductor used in high voltage power transmission lines. According to the technical proposal provided in the utility model, a reinforced core is formed by wrapping a layer or two layers of reinforcing threads outside a core wire, a plurality of transmission wire layers are wrapped outside the reinforced core, each transmission wire layer has a cylinder shape formed by a plurality of transmission wires intertwisted tightly, and the cross section of each transmission wire takes the shape of a segment of circular ring, or the two lateral edges of the cross section of each transmission wire take a S shape or a Z shape. The usage of a conductor of the utility model can improve the transmission efficiency of lines, reduce line corridors, decrease line loss, save operation cost, enhance operation temperature, increase the transmission current of the conductor, reduce operation noise, and being suitable for human residence. small wind resistance factor causes the stress put on the tower poles to be decreased, thus the interval space of the tower poles can be increased, and the number of the tower poles can be decreased.
Description
Technical field
The utility model relates to power transmission facility, specifically a kind of electric power transfer lead that is used on the ultra-high-tension power transmission line.
Background technology
The normal delivery guidewire of using of current power transmission circuit is common steel reinforced aluminium conductor or steel core aluminium alloy stranded conductor.According to carrying out of national energy strategy " transferring electricity from the west to the east, north and south is confession mutually, national network " engineering, the transmission line capability of newly-built circuit requires in continuous increase the used for transmission line lead have been proposed more and more higher requirement.Present domestic transmission line and even electrical network in conveying capacity, fault-resistant ability with reduce aspects such as natural environment influence are all proposed higher requirement, further improve the performance of lead to lead on therefore will original at home lead technology level basis.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of soft aluminium molded lines of steel core aerial condutor with advantages such as high current-carrying, low line loss, high temperature resistant, smooth surface, air resistance coefficient are little is provided.
The technical scheme that provides according to utility model, coated outside one deck or two layers of line feeder at heart yearn constitute strengthening core, the strengthening core coated outside has the several layers transmission line layer, each transmission line layer closely is twisted into cylindric by numerous transfer wires, the dual-side that every transfer wire cross section is one section annulus or its cross section is " S " or " Z " shape.
Every transfer wire direction of lay unanimity in each transmission line layer, and the transfer wire in each transmission line layer all is the angle of 5～20 degree with heart yearn.Transmission line layer has 2～4 layers of outside that is wrapped in strengthening core.Adjacent its transfer wire direction of lay of two transmission line layer is opposite.The cross-sectional area of transfer wire is 10mm
2-28mm
2Line feeder is made by galvanized steel or invar.
The utility model adopts molded lines stranded, compact conformation, and the activity coefficient height, the current-carrying cross section is bigger.Aluminum steel is after annealing in process, and aluminum steel does not have the phenomenon of loss of strength when hot operation, and the stressed of lead carried by steel core fully, and therefore, the operating temperature of lead can reach more than 240 ℃.Aluminum steel is through annealing in process, and its conductance can reach 63.5%IACS, reduces the electrical loss of circuit greatly, energy savings.Because of aluminum steel does not stress, the thermal coefficient of expansion of lead is exactly the thermal coefficient of expansion of steel wire, and therefore, the sag characteristic of lead obviously reduces.Common steel reinforced aluminium conductor or aluminium alloy stranded conductor are subjected to the restriction of aluminum steel and aluminium alloy wire percentage elongation, the intensity of steel core is only used 1% elongation stress, and the percentage elongation of annealing annealed aluminum wire is more than 25%, therefore, can make full use of the intensity of steel core, make the croop property of lead and sag characteristic desirable more.Adopt the stranded surface of molded lines more smooth, can reduce corona loss, electromagnetic radiation, the lead vibrations under the high voltage field intensity and wave frequency.Can improve power delivery capabilities, antijamming capability, anti-ice-snow ability and the useful life of electric power transmission line.
The soft aluminium molded lines of steel core of the present utility model aerial condutor technology realizes easily, cost is lower, it is identical with conventional wires with construction to connect gold utensil.Therefore, this lead is very obvious in the advantage of transforming circuit, can replace traditional steel reinforced aluminium conductor, aluminum-cladding stranded wire, aluminium alloy stranded conductor and realize the upgrading of incumbent transmission circuit, thereby avoid mounting cost height, time-consuming defective.Use lead of the present utility model can improve the transmission power of circuit, reduce the circuit corridor; Reduce line loss, save operating cost; Improve operating temperature, increase lead and carry electric current; Reduce to move noise, be fit to the people and live; Air resistance coefficient is little to make to the stress reduction of tower bar, can strengthen the spacing that has the tower bar now, reduces the quantity of tower bar.
Description of drawings
Fig. 1 is embodiment 1 structural representation of the present utility model.
Fig. 2 is the cross-sectional configuration figure of Fig. 1.
Fig. 3 is embodiment 2 structural representations of the present utility model.
Fig. 4 is the cross-sectional configuration figure of Fig. 3.
Embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
The soft aluminium molded lines of steel core of the present utility model aerial condutor, coated outside one deck or two layers of line feeder 2 at heart yearn 1 constitute strengthening core, the strengthening core coated outside has 2～4 layers of transmission line layer 3, each transmission line layer 3 closely is twisted into cylindric by numerous transfer wire 4, every transfer wire 4 cross sections are one section annulus, every transfer wire 4 direction of lay unanimities in each transmission line layer 3, and the transfer wire 4 in each transmission line layer 3 all is the angle of 5～20 degree with heart yearn 1, adjacent two transmission line layer, 3 its transfer wire 4 direction of lays are opposite, and the cross-sectional area of transfer wire 4 is 10mm
2-28mm
2, heart yearn 1 and line feeder 2 are made by galvanized steel.
The soft aluminium molded lines of steel core of the present utility model aerial condutor, coated outside one deck or two layers of line feeder 2 at heart yearn 1 constitute strengthening core, the strengthening core coated outside has 2～4 layers of transmission line layer 3, each transmission line layer 3 closely is twisted into cylindric by numerous transfer wire 4, the dual-side of every transfer wire 4 cross sections is " S " or " Z " shape, every transfer wire 4 direction of lay unanimities in each transmission line layer 3, and the transfer wire 4 in each transmission line layer 3 all is the angle of 5～20 degree with heart yearn 1, adjacent two transmission line layer, 3 its transfer wire 4 direction of lays are opposite, and the cross-sectional area of transfer wire 4 is 10mm
2-28mm
2, line feeder 2 is made by invar (invar alloy (" invar " steel)).
The soft aluminium molded lines of steel core aerial condutor is to be stranded in heart yearn 1 by the high-strength galvanized steel wire of many circles or invar serial line feeders 2 such as (invar alloy (" invar " steel)) to make reinforcement, again will be stranded to high strength steel core strengthening core through heat treated aluminium type transfer wire 4 line spirals.The aluminium molded lines adopts cold drawing or hot extrusion method mode to produce, and the aluminium monofilament sectional area is controlled at 10mm
2-28mm
2Between the scope.The axis of the stranded and steel core of aluminium lamination single line forms the angle of 5～20 degree, the stranded requirement that meets domestic and international relevant criterion of this lead.
Claims (6)
1. the soft aluminium molded lines of steel core aerial condutor, it is characterized in that: coated outside one deck or two layers of line feeder (2) at heart yearn (1) constitute strengthening core, the strengthening core coated outside has several layers transmission line layer (3), each transmission line layer (3) closely is twisted into cylindric by numerous transfer wire (4), the dual-side that every transfer wire (4) cross section is one section annulus or its cross section is " S " or " Z " shape.
2. the soft aluminium molded lines of steel core according to claim 1 aerial condutor, it is characterized in that: every transfer wire (4) the direction of lay unanimity in each transmission line layer (3), and the transfer wire (4) in each transmission line layer (3) all is the angle of 5～20 degree with heart yearn (1).
3. the soft aluminium molded lines of steel core according to claim 1 aerial condutor, it is characterized in that: transmission line layer (3) has 2～4 layers of outside that is wrapped in strengthening core.
4. the soft aluminium molded lines of steel core according to claim 1 aerial condutor is characterized in that: adjacent its transfer wires of two transmission line layer (3) (4) direction of lay is opposite.
5. the soft aluminium molded lines of steel core according to claim 1 aerial condutor is characterized in that: transfer wire (4) is through Overheating Treatment, and the cross-sectional area of transfer wire (4) is 10mm
2-28mm
2
6. the soft aluminium molded lines of steel core according to claim 1 aerial condutor is characterized in that: heart yearn (1) and line feeder (2) are made by galvanized steel or invar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200373074U CN201036071Y (en) | 2007-04-30 | 2007-04-30 | Steel core soft aluminum molded line overhead conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200373074U CN201036071Y (en) | 2007-04-30 | 2007-04-30 | Steel core soft aluminum molded line overhead conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201036071Y true CN201036071Y (en) | 2008-03-12 |
Family
ID=39196960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200373074U Expired - Fee Related CN201036071Y (en) | 2007-04-30 | 2007-04-30 | Steel core soft aluminum molded line overhead conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201036071Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360629A (en) * | 2011-09-23 | 2012-02-22 | 湖南金龙电缆有限公司 | Manufacturing process of high-capacity energy-saving type overhead conductor |
| CN104575695A (en) * | 2013-10-09 | 2015-04-29 | 上海电缆研究所 | Low-wind-pressure conducting wire |
-
2007
- 2007-04-30 CN CNU2007200373074U patent/CN201036071Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360629A (en) * | 2011-09-23 | 2012-02-22 | 湖南金龙电缆有限公司 | Manufacturing process of high-capacity energy-saving type overhead conductor |
| CN104575695A (en) * | 2013-10-09 | 2015-04-29 | 上海电缆研究所 | Low-wind-pressure conducting wire |
| CN104575695B (en) * | 2013-10-09 | 2017-10-27 | 上海电缆研究所有限公司 | A kind of low blast wire |
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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: 20080312 Termination date: 20150430 |
|
| EXPY | Termination of patent right or utility model |