CN103632750B - A kind of novel extra-heavy aluminium alloy conductors steel for ultra high voltage Great span - Google Patents
A kind of novel extra-heavy aluminium alloy conductors steel for ultra high voltage Great span Download PDFInfo
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- CN103632750B CN103632750B CN201310608381.7A CN201310608381A CN103632750B CN 103632750 B CN103632750 B CN 103632750B CN 201310608381 A CN201310608381 A CN 201310608381A CN 103632750 B CN103632750 B CN 103632750B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 77
- 239000010959 steel Substances 0.000 title claims abstract description 77
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 47
- 239000004020 conductor Substances 0.000 title claims abstract description 28
- 229910001335 Galvanized steel Inorganic materials 0.000 claims abstract description 28
- 239000008397 galvanized steel Substances 0.000 claims abstract description 28
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 24
- 239000004411 aluminium Substances 0.000 claims abstract description 24
- 238000003475 lamination Methods 0.000 claims abstract description 13
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
This application provides a kind of novel extra-heavy aluminium alloy conductors steel for ultra high voltage Great span, comprising: the steel core that 37 galvanized steel wires are formed; Containing the aluminium lamination of 48 aluminium alloy single lines around described steel core; Wherein, galvanized steel wire described in every root is that 1% elongation stress is more than or equal to 1670 megapascal (MPa)s and tensile strength before its strand is more than or equal to the steel wire of 2050 megapascal (MPa)s.The novel extra-heavy aluminium alloy conductors steel for ultra high voltage Great span in the embodiment of the present application is by arranging the steel core of 37 galvanized steel wires formation and containing the aluminium lamination of 48 aluminium alloy single lines around this steel core, and 1% elongation stress of every root galvanized steel wire in this steel core is more than or equal to 1670 megapascal (MPa)s, tensile strength before its strand is more than or equal to 2050 megapascal (MPa)s, make 1% elongation stress of its wire formed and tensile strength etc. higher than existing wire thus, and then improve wire in the availability of carrying out transmitting electricity in Great span application.
Description
Technical field
The application relates to transmission line wire technical field, particularly a kind of novel extra-heavy aluminium alloy conductors steel for ultra high voltage Great span.
Background technology
The construction of UHV transmission line inevitably needs transmission pressure to cross over great rivers or bay, straits.When ultra high voltage large crossing projects to face across river crossing span over strait more than 2km, at span, under the restriction that the mechanical property of wire and navigation etc. require, the height of exhaling of the crossover tower of erection wire can be very large, consider ultra high voltage large cross line again, especially the size of the crossover tower tower head of alternating-current ultrahigh-voltage long-span lines is very large, the whole height of crossover tower is required very large, and the reason on the spot under the various application scenarioss such as aviation needs to limit the tower height of crossover tower, cause engineering infeasible thus, therefore for reducing tower height, make the large crossing projects of engineering specifications harshness feasible technically, need a kind of novel extra-heavy aluminium alloy conductors steel badly.
Summary of the invention
Technical problems to be solved in this application are to provide a kind of novel extra-heavy aluminium alloy conductors steel for ultra high voltage Great span, lower in order to solve the mechanical property of wire in prior art, make wire availability lower, make the large crossing projects of engineering specifications harshness infeasible technical problem technically.
This application provides a kind of novel extra-heavy aluminium alloy conductors steel for ultra high voltage Great span, comprising:
The steel core that 37 galvanized steel wires are formed;
Containing the aluminium lamination of 48 aluminium alloy single lines around described steel core;
Wherein, galvanized steel wire described in every root is that 1% elongation stress is more than or equal to 1670 megapascal (MPa)s and tensile strength before its strand is more than or equal to the steel wire of 2050 megapascal (MPa)s.
The above-mentioned novel extra-heavy aluminium alloy conductors steel for ultra high voltage Great span, preferably, described steel core comprises:
Intermediate point containing 1 galvanized steel wire; Containing 6 galvanized steel wires evenly around the first steel wire layer of described intermediate point; Containing 12 galvanized steel wires evenly around the second steel wire layer of described first steel wire layer; Containing 18 galvanized steel wires evenly around the 3rd steel wire layer of described second steel wire layer.
The above-mentioned novel extra-heavy aluminium alloy conductors steel for ultra high voltage Great span, preferably, described aluminium lamination comprises:
Aluminium internal layer containing 21 aluminium alloy single lines;
Outer containing the aluminium of 27 aluminium alloy single lines evenly around described aluminium internal layer.
The above-mentioned novel extra-heavy aluminium alloy conductors steel for ultra high voltage Great span, preferably, the cross section of described aluminium lamination is 1.77 with the ratio of the cross section of described steel core.
The above-mentioned novel extra-heavy aluminium alloy conductors steel for ultra high voltage Great span, preferably, described aluminium alloy single line is the single line that before strand, tensile strength is more than or equal to 315 megapascal (MPa)s.
From such scheme, this application provides a kind of novel extra-heavy aluminium alloy conductors steel for ultra high voltage Great span, by arranging the steel core of 37 galvanized steel wires formation and containing the aluminium lamination of 48 aluminium alloy single lines around this steel core, and 1% elongation stress of every root galvanized steel wire in this steel core is more than or equal to 1670 megapascal (MPa)s, tensile strength before its strand is more than or equal to 2050 megapascal (MPa)s, make 1% elongation stress of its wire formed and tensile strength etc. higher than existing wire thus, and then improve wire and carrying out the availability in power transmission application.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present application, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of novel extra-heavy aluminium alloy conductors steel embodiment one for ultra high voltage Great span that Fig. 1 provides for the application;
The structural representation of a kind of novel extra-heavy aluminium alloy conductors steel embodiment two for ultra high voltage Great span that Fig. 2 provides for the application;
Fig. 3 is another structural representation of the embodiment of the present application two.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, be clearly and completely described the technical scheme in the embodiment of the present application, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
With reference to figure 1, be the structural representation of a kind of novel extra-heavy aluminium alloy conductors steel embodiment one for ultra high voltage Great span that the application provides, wherein, described wire can comprise:
The steel core 101 that 37 galvanized steel wires are formed;
And containing the aluminium lamination 102 of 48 aluminium alloy single lines around described steel core 101;
Wherein, described galvanized steel wire is that 1% elongation stress is more than or equal to 1670 megapascal (MPa)s and tensile strength before its strand is more than or equal to the steel wire of 2050 megapascal (MPa)s.
Wherein, as shown in the continued of following table 1 and table 1, the technical parameter example for galvanized steel wire specific implementation described in every root:
The zinc-plated steel core technical parameter of table 1
Table 1 continued
Wherein, as shown in Table 2 below, be the technical parameter example of aluminium alloy single line specific implementation described in every root:
Table 2 aluminium alloy single line technology parameter
From such scheme, this application provides a kind of novel extra-heavy aluminium alloy conductors steel embodiment one for ultra high voltage Great span, by arranging the steel core of 37 galvanized steel wires formation and containing the aluminium lamination of 48 aluminium alloy single lines around this steel core, and 1% elongation stress of every root galvanized steel wire in this steel core is more than or equal to 1670 megapascal (MPa)s, tensile strength before its strand is more than or equal to 2050 megapascal (MPa)s, make 1% elongation stress of its wire formed and tensile strength etc. higher than existing wire thus, and then improve wire and carrying out the availability in power transmission application.
With reference to figure 2, be the structural representation of a kind of novel extra-heavy aluminium alloy conductors steel embodiment two for ultra high voltage Great span that the application provides, wherein, described steel core 101 can comprise:
Intermediate point 111 containing 1 galvanized steel wire;
Containing 6 galvanized steel wires evenly around the first steel wire layer 112 of described intermediate point 111;
Containing 12 galvanized steel wires evenly around the second steel wire layer 113 of described first steel wire layer 112;
Containing 18 galvanized steel wires evenly around the 3rd steel wire layer 114 of described second steel wire layer 113.
As shown in Figure 2, in described steel core 101, be provided with four layers of zinc-plated steel core, twisted mutually to contrary mode by adjacent layer strand between every layer of described steel wire layer.
As shown in Figure 3, be another structural representation of the extra-heavy aluminium alloy conductors steel for ultra high voltage Great span novel described in the embodiment of the present application two, wherein, described aluminium lamination 102 can comprise:
Aluminium internal layer 121 containing 21 aluminium alloy single lines;
Containing 27 aluminium alloy single lines evenly around the aluminium skin 122 of described aluminium internal layer 121.
It should be noted that, the strand between described aluminium internal layer 121 with described aluminium skin 122 is to can be contrary, and outermost layer strand is to the right, can facing layer strand on the contrary, by that analogy, realizing the tight of every layer line in wire and twist mutually.
Wherein, the cross section of described aluminium lamination 102 can be 1.77 with the ratio of the cross section of described steel core 101.
In addition, before the strand of described aluminium alloy single line, tensile strength is more than or equal to 315 megapascal (MPa)s.Preferably, before the strand of described aluminium alloy single line, tensile strength is between 315Mpa and 325Mpa.
In implementation structure by the above-mentioned novel extra-heavy aluminium alloy conductors steel for ultra high voltage Great span, the pulling force weight ratio of described wire can be more than or equal to 17.8 kms.
Following table 3 and table 4 are the technical parameter of described wire:
Table 3 lead technology parameter
Wherein, in above-mentioned table 3, galvanized steel wire and aluminium alloy single line all can not have joint.
Table 4 lead technology parameter
It should be noted that, the tensile strength of above-mentioned steel core 101 can adjust according to the needs of engineering, the increase of this numerical value can reduce tower height, but add tension force, therefore need to be compared by overall economics according to Practical Project situation to determine suitable tensile strength, this tensile strength can be different from the numerical value in technical scheme, but 1% elongation stress of described steel core 101 should lower than 1580MPa.
From the above, wire in the embodiment of the present application is novel extra-heavy aluminium alloy conductors steel, from conductor structure pattern and the steel core strength of materials two angles, the extra-heavy aluminium alloy conductors steel to conventional carries out mechanical property improvement to this wire, to the ultra high voltage large crossing projects of crossing span more than 2km, can effectively reduce crossover tower tower height, the requirement of the departments such as navigation, aviation can be met simultaneously, make engineering feasible, and steel tower root can be reduced open, reduce column foot occupation of land, reduce project cost.
It should be noted that, each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the article of a series of key element or equipment not only comprises those key elements, but also comprise other key elements clearly do not listed, or also comprise by this article or the intrinsic key element of equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within the article or equipment comprising described key element and also there is other identical element.
Above a kind of novel extra-heavy aluminium alloy conductors steel for ultra high voltage Great span that the application provides is described in detail, apply specific case herein to set forth the principle of the application and execution mode, the explanation of above embodiment is just for helping method and the core concept thereof of understanding the application; Meanwhile, for one of ordinary skill in the art, according to the thought of the application, all will change in specific embodiments and applications, in sum, this description should not be construed as the restriction to the application.
Claims (4)
1., for an extra-heavy aluminium alloy conductors steel for ultra high voltage Great span, it is characterized in that, comprising:
The steel core that 37 galvanized steel wires are formed;
Containing the aluminium lamination of 48 aluminium alloy single lines around described steel core;
Wherein, galvanized steel wire described in every root is that 1% elongation stress is more than or equal to 1670 megapascal (MPa)s and tensile strength before its strand is more than or equal to the steel wire of 2050 megapascal (MPa)s;
Wherein, the cross section of described aluminium lamination is 1.77 with the ratio of the cross section of described steel core.
2. the extra-heavy aluminium alloy conductors steel for ultra high voltage Great span according to claim 1, it is characterized in that, described steel core comprises:
Intermediate point containing 1 galvanized steel wire;
Containing 6 galvanized steel wires evenly around the first steel wire layer of described intermediate point;
Containing 12 galvanized steel wires evenly around the second steel wire layer of described first steel wire layer;
Containing 18 galvanized steel wires evenly around the 3rd steel wire layer of described second steel wire layer.
3. the extra-heavy aluminium alloy conductors steel for ultra high voltage Great span according to claim 1 and 2, it is characterized in that, described aluminium lamination comprises:
Aluminium internal layer containing 21 aluminium alloy single lines;
Outer containing the aluminium of 27 aluminium alloy single lines evenly around described aluminium internal layer.
4. the extra-heavy aluminium alloy conductors steel for ultra high voltage Great span according to claim 3, is characterized in that, described aluminium alloy single line is the single line that before strand, tensile strength is more than or equal to 315 megapascal (MPa)s.
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| CN201310608381.7A CN103632750B (en) | 2013-11-22 | 2013-11-22 | A kind of novel extra-heavy aluminium alloy conductors steel for ultra high voltage Great span |
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| CN103632750B true CN103632750B (en) | 2016-04-06 |
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| CN201027275Y (en) * | 2007-03-30 | 2008-02-27 | 南通钢绳(集团)有限公司 | Galvanized stranded wire |
| CN202102787U (en) * | 2010-12-30 | 2012-01-04 | 国家电网公司 | Six-split extra-strong steel core aluminum alloy conducting wire for extra-high voltage large-span transmission line |
| CN202153454U (en) * | 2011-08-17 | 2012-02-29 | 中国电力工程顾问集团华东电力设计院 | Overhead power transmission conducting wire and extra-high voltage DC transmission line |
| CN102688906A (en) * | 2012-06-19 | 2012-09-26 | 巩义市恒星金属制品有限公司 | Production process of extra-high strength steel stranded wire for long-span transmission wire |
| CN203102995U (en) * | 2013-02-21 | 2013-07-31 | 云南正晓电缆有限公司 | Superhigh-strength heat-resistant aluminum alloy stranded wire with high-strength steel core |
| CN103280272A (en) * | 2013-05-23 | 2013-09-04 | 江苏东峰电缆有限公司 | Ultra-light power transmission lead |
| CN203673842U (en) * | 2013-11-22 | 2014-06-25 | 国家电网公司 | Novel extra-strong steel core aluminium alloy wire used for extra-high voltage and long span |
-
2013
- 2013-11-22 CN CN201310608381.7A patent/CN103632750B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201027275Y (en) * | 2007-03-30 | 2008-02-27 | 南通钢绳(集团)有限公司 | Galvanized stranded wire |
| CN202102787U (en) * | 2010-12-30 | 2012-01-04 | 国家电网公司 | Six-split extra-strong steel core aluminum alloy conducting wire for extra-high voltage large-span transmission line |
| CN202153454U (en) * | 2011-08-17 | 2012-02-29 | 中国电力工程顾问集团华东电力设计院 | Overhead power transmission conducting wire and extra-high voltage DC transmission line |
| CN102688906A (en) * | 2012-06-19 | 2012-09-26 | 巩义市恒星金属制品有限公司 | Production process of extra-high strength steel stranded wire for long-span transmission wire |
| CN203102995U (en) * | 2013-02-21 | 2013-07-31 | 云南正晓电缆有限公司 | Superhigh-strength heat-resistant aluminum alloy stranded wire with high-strength steel core |
| CN103280272A (en) * | 2013-05-23 | 2013-09-04 | 江苏东峰电缆有限公司 | Ultra-light power transmission lead |
| CN203673842U (en) * | 2013-11-22 | 2014-06-25 | 国家电网公司 | Novel extra-strong steel core aluminium alloy wire used for extra-high voltage and long span |
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| CN103632750A (en) | 2014-03-12 |
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Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: CHINA POWER ENGINEERING CONSULTING (GROUP) CORPORATION Applicant after: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Applicant after: Co., Ltd of Huabei Power Design Inst., China Power Engineering Consulting Group Applicant after: Co., Ltd of Northeastern Electric Power Design Institute, China Power Engineering Consulting Group Corporation Applicant after: Co., Ltd of Central Southern China Electric Power Design Institute, China Power Engineering Consulting Group Corporation Applicant after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING GROUP Applicant after: China Power Engineering Consulting Group Southwest Electric Power Design Institute Co., Ltd. Applicant after: NORTH CHINA POWER ENGINEERING CO., LTD. OF CHINA POWER ENGINEERING CONSULTING GROUP Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant before: State Grid Corporation of China Applicant before: China Power Engineering Consulting Group Corporation Applicant before: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Applicant before: Huabei Power Design Inst., China Power Engineering Consulting Group Applicant before: Northeastern Electric Power Design Institute, China Power Engineering Consulting Group Corporation Applicant before: Central Southern China Electric Power Design Institute, China Power Engineering Consulting Group Cor Applicant before: Northwest Electric Power Design Institute, China Power Engineering Consulting Group Corporation Applicant before: Southwest Electric Power Design Institute of China Power Engineering Consulting Group Corporation Applicant before: North China Electric Power Design Institute of China Power Engineering Consulting Group Corporation |
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