CN201051419Y - Low wriggly change steel core soft aluminum twisted cable - Google Patents
Low wriggly change steel core soft aluminum twisted cable Download PDFInfo
- Publication number
- CN201051419Y CN201051419Y CNU2007200683013U CN200720068301U CN201051419Y CN 201051419 Y CN201051419 Y CN 201051419Y CN U2007200683013 U CNU2007200683013 U CN U2007200683013U CN 200720068301 U CN200720068301 U CN 200720068301U CN 201051419 Y CN201051419 Y CN 201051419Y
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- Prior art keywords
- annealed aluminum
- wire
- aluminum wire
- strand
- copper
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Abstract
The utility model relates to a low-creep steel-cored annealed aluminum strand wire, which belongs to the electric wiring technical field. The utility model is characterized in that a single conducive wire is an annealed aluminum wire with a circular section and a conductivity which equals to or is more than 63% IACS, and the annealed aluminum wire is basically made of aluminum. The surface of the annealed aluminum wire also can be coated with a layer of copper to form a copper binding annealed aluminum wire. A load-carrying portion is a steel wire which has a circular section and is formed by ultrahigh strength steel, and the steel wire is formed through twisting galvanized steel wires which are formed through cladding zinc coating on wires, and the strength of extension is greater than or equals to 1550 MPa. Single wires of an inductive portion are layered-twisted on the load-carrying portion in different ways. The inductive portion employs electric annealed aluminum wires or the annealed aluminum wires with a copper coating externally, thus the conductivity is greater than or equals to 63% IACS and can achieve 70% IACS if thickening the cladding layer. The annealed aluminum wire is twisted on the low-creep steel wire, thus the utility model saves energy. The utility model is characterized by low electric energy consumption, low creep rate, and light sag of directing wires, and the utility model is of great value when being applied to high-tension or ultrahigh tension transmission lines.
Description
Technical field
Belong to the transmission line technical field, exactly low creep steel reinforced soft aluminum strand is a kind of lead of energy-saving used for transmission line.
Background technology
The used for transmission line lead, the general circle line lead of strand with one heart that adopts, as current-carrying part is aluminum or aluminum alloy, aluminium is electrician's aluminium, hard attitude, conductance is 61%IACS (the percentage conductance of international tough copper metallurgy standard), aluminium alloy is high-strength aluminum alloy and heat-resisting aluminium alloy, the conductance of high-strength aluminum alloy is two kinds of 52.5%IACS and 53%IACS, and the conductance of heat-resisting aluminium alloy is two kinds of 58%IACS and 60%IACS; As load partly is galvanized steel wire or aluminium-clad steel wire, and galvanized steel wire is divided into generally by intensity, three kinds of high-strength and extra-heavies, and their conductance is 9%IACS; Aluminium-clad steel wire as lead load part has two kinds, and conductance is respectively 20.3%IACS and 27%IACS.For the transmission performance that makes transmission line improves, existing exploitation conductance is the aluminium conductor of 62.5%IACS, invar, aluminium bag invar, organic synthetic fibers or carbon fiber, ceramic fibre are made the load part, circuit can be carried bigger electric energy when its purpose was to improve the lead operating temperature, and the lead sag still within the range of permission, yet these load part material prices newly developed are high, the investment when having increased line construction.
Summary of the invention
The utility model provides a kind of energy consumption little, and creep compliance is little, and makes the also little low creep steel reinforced soft aluminum strand of sag of circuit.
The technical scheme that the utility model is taked:
Low creep steel reinforced soft aluminum strand, comprise the current-carrying part of the stranded formation of a plurality of conduction single lines and the load part of the stranded formation of a plurality of load single lines, its scheme is: the conduction single line be conductance greater than, what equal 63%IACS is the circular cross section electrician annealed aluminum wire that sill is made with aluminium, its surface coats last layer copper, constitutes the copper-clad annealed aluminum wire; Load partly is the line that is made of circular cross section steel, the tensile strength that online surface coverage one deck coating zinc is constituted greater than, equal 1550Mpa galvanized steel wire strand system and form; The single line of current-carrying part twists on the load part with the layering of various combination mode.Described single line is annealed aluminum wire or copper-clad annealed aluminum wire, and described layering is branch internal layer or skin.One of its mode is that the multilayer annealed aluminum wire evenly twists on the load part.Two of its mode is that multilayer copper-clad annealed aluminum wire evenly twists on the load part.Three of its mode is that internal layer is an annealed aluminum wire, and skin is the copper-clad annealed aluminum wire, and evenly strand is on the load part.Four of its mode is that annealed aluminum wire and copper-clad annealed aluminum wire are spaced on one deck, multilayer evenly strand on the load part.
Good effect behind enforcement the utility model is:
It is the electric conducting material of base that current-carrying part adopts with aluminium, it is electrician's aluminium, also can coat last layer copper in its outside, then through being heat-treated to soft state, its conductance greater than, equal 63%IACS (the percentage conductance of international tough copper metallurgy standard), the percentage elongation during the 250mm gauge length greater than, equal 15%, this wire rod is called as soft aluminium, if strengthen the thickness of aluminium outside coating layer copper, this " soft aluminium " even conductance can reach 70%IACS.Annealed aluminum wire is twisted closely on low creep steel wire, become energy-saving lead.The low creep steel core of load is to adopt zinc-plated the zinc of rare earth (or contain) steel wire of the Extra High Strength of high-carbon steel or superhigh intensity to make, be twisted into the load-bearing component of lead after, hang down the tension force of creep and handle, make the lead creep compliance reduction of making.When energy-saving lead sets up use at transmission line, the loss of electric energy is less, creep compliance is also less, reduced the sag amount of lead, even when at this moment carrying 140%～150% electric energy than the steel reinforced aluminium conductor of same size, the increment of lead sag also still is in the sag scope that steel reinforced aluminium conductor allowed of same size.Reduced long loss, be applied in transferring electricity from the west to the east and wait on high pressure or the extra high voltage network apart from transmission of electric energy, significant.
Description of drawings
Fig. 1 the utility model fundamental mode structural profile schematic diagram, current-carrying part (1) and load part (2);
Fig. 2 is that the even strand of multilayer annealed aluminum wire (11) partly goes up the structural profile schematic diagram built in load;
Fig. 3 is that the even strand of multilayer copper-clad annealed aluminum wire (12) partly goes up the structural profile schematic diagram built in load;
Fig. 4 internal layer is annealed aluminum wire (11), and skin is copper-clad annealed aluminum wire (12), and evenly strand partly goes up the structural profile schematic diagram built in load;
Fig. 5 annealed aluminum wire (11) and copper-clad annealed aluminum wire (12) on one deck are spaced, and multilayer evenly strand partly goes up the structural profile schematic diagram built in load.
Embodiment
Now the utility model is described in further detail in conjunction with the accompanying drawings
Low creep steel reinforced soft aluminum strand, comprise the current-carrying part 1 of the stranded formation of a plurality of conduction single lines and the load part 2 of the stranded formation of a plurality of load single lines, its structure is: current-carrying part 1 for conductance greater than, what equal 63%IACS is the annealed aluminum wire 11 that sill is made with aluminium, circular cross section, its surface coats last layer copper, constitutes copper-clad annealed aluminum wire 12; Load part 2 is the steel wires by the degree circular cross section, steel wire surface coverage one deck coating tensile strength that zinc constitutes greater than, equal 1550Mpa, galvanized steel wire 21 strands make and form, and, make it to have low creep properties through special processings such as pre-stretchings; The single line of current-carrying part twists on the load part with the layering of various combination mode.Described single line is annealed aluminum wire 11 or copper-clad annealed aluminum wire 12, and described layering is branch internal layer or skin.One of its mode is that multilayer annealed aluminum wire 11 evenly twists on the load part.Two of its mode is that multilayer copper-clad annealed aluminum wire 12 evenly twists on the load part.Three of its mode is that internal layer is an annealed aluminum wire 11, and skin is a copper-clad annealed aluminum wire 12, and evenly strand is on the load part.Four of its mode is that annealed aluminum wire 11 and copper-clad annealed aluminum wire 12 are spaced on one deck, multilayer evenly strand on the load part.
Claims (5)
1. low creep steel reinforced soft aluminum strand, comprise the current-carrying part (1) of the stranded formation of a plurality of conduction single lines and the load part (2) of the stranded formation of a plurality of load single lines, it is characterized in that: the single line of current-carrying part (1) be conductance greater than, what equal 63%IACS is the circular cross section electrician annealed aluminum wire (11) that sill is made with aluminium, its surface coats last layer copper, constitutes copper-clad annealed aluminum wire (12); Load part (2) is the line that is made of circular cross section steel, the tensile strength that online surface coverage one deck coating zinc is constituted greater than, equal 1550Mpa galvanized steel wire (21) strand system and form; On the load part, described single line is annealed aluminum wire (11) or copper-clad annealed aluminum wire (12) to the single line of current-carrying part with various combination mode layering strand, and described layering is branch internal layer or skin.
2. low creep steel reinforced soft aluminum strand according to claim 1 is characterized in that: described current-carrying part on the load part, is that multilayer annealed aluminum wire (11) evenly twists on the load part with various combination mode layering strand.
3. low creep steel reinforced soft aluminum strand according to claim 1 is characterized in that: described current-carrying part on the load part, is that multilayer copper-clad annealed aluminum wire (12) evenly twists on the load part with various combination mode layering strand.
4. low creep steel reinforced soft aluminum strand according to claim 1, it is characterized in that: described current-carrying part twists on the load part with the layering of various combination mode, be that internal layer is annealed aluminum wire (11), skin is copper-clad annealed aluminum wire (12), and evenly strand is on the load part.
5. low creep steel reinforced soft aluminum strand according to claim 1, it is characterized in that: described current-carrying part twists on the load part with the layering of various combination mode, be that annealed aluminum wire (11) and copper-clad annealed aluminum wire (12) are spaced on one deck, multilayer evenly strand on the load part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200683013U CN201051419Y (en) | 2007-03-29 | 2007-03-29 | Low wriggly change steel core soft aluminum twisted cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200683013U CN201051419Y (en) | 2007-03-29 | 2007-03-29 | Low wriggly change steel core soft aluminum twisted cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201051419Y true CN201051419Y (en) | 2008-04-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200683013U Expired - Lifetime CN201051419Y (en) | 2007-03-29 | 2007-03-29 | Low wriggly change steel core soft aluminum twisted cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201051419Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101329928B (en) * | 2008-07-17 | 2011-05-18 | 宁波万博新材料科技有限公司 | Aerial cable |
| CN102364584A (en) * | 2011-10-25 | 2012-02-29 | 江苏亨通线缆科技有限公司 | Cutthrough grounding cable applied in railway signal system |
| CN113718182A (en) * | 2021-08-30 | 2021-11-30 | 无锡华能电缆有限公司 | Zinc-aluminum coating invar steel single wire and preparation method thereof |
-
2007
- 2007-03-29 CN CNU2007200683013U patent/CN201051419Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101329928B (en) * | 2008-07-17 | 2011-05-18 | 宁波万博新材料科技有限公司 | Aerial cable |
| CN102364584A (en) * | 2011-10-25 | 2012-02-29 | 江苏亨通线缆科技有限公司 | Cutthrough grounding cable applied in railway signal system |
| CN102364584B (en) * | 2011-10-25 | 2013-06-05 | 江苏亨通线缆科技有限公司 | Cutthrough grounding cable applied in railway signal system |
| CN113718182A (en) * | 2021-08-30 | 2021-11-30 | 无锡华能电缆有限公司 | Zinc-aluminum coating invar steel single wire and preparation method thereof |
| CN113718182B (en) * | 2021-08-30 | 2022-06-17 | 无锡华能电缆有限公司 | Zinc-aluminum coating invar steel single wire and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU TONGGUANG STRONG ENERGY POWER LINE SCIENCE Free format text: FORMER OWNER: HUANG JIEYAN Effective date: 20090828 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090828 Address after: Haimen Development Zone Haimen port, Jiangsu, No. 3966, 226100 Patentee after: Jiangsu Light intensity to power lines through Technology Co., Ltd. Address before: Shanghai city Hongkou District Wuhua Road 98 Lane (Lin Chen garden) No. 19 Room 102, zip code: 200086 Patentee before: Huang Jieyan |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080423 |