CN204010725U - The hollow expanded diameter conductor that aluminium alloy interlocking bellows supports - Google Patents
The hollow expanded diameter conductor that aluminium alloy interlocking bellows supports Download PDFInfo
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- CN204010725U CN204010725U CN201420381051.9U CN201420381051U CN204010725U CN 204010725 U CN204010725 U CN 204010725U CN 201420381051 U CN201420381051 U CN 201420381051U CN 204010725 U CN204010725 U CN 204010725U
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- aluminium alloy
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- bellows
- aluminum alloy
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Abstract
The utility model belongs to electric power transportation technology field, proposes the hollow expanded diameter conductor that a kind of aluminium alloy interlocking bellows supports.The hollow expanded diameter conductor that the aluminium alloy interlocking bellows proposing supports has the aluminium alloy interlocking bellows (1) as radial support; The bellows-like structure of aluminium alloy interlocking bellows (1) for being entwined by aluminum alloy strip, and between two adjacent rings aluminum alloy strip, overlap joint connects and forms interlocking; In the outside wall surface of aluminium alloy interlocking bellows (1), be wound with one deck high-strength aluminum alloy line stranded layer (2); In the outside wall surface of high-strength aluminum alloy line stranded layer (2), be wound with one or more layers aluminum steel stranded layer (3); The winding direction of adjacent two layers aluminum steel stranded layer (3) is contrary, and the winding direction of the aluminum steel stranded layer (3) that is adjacent of high-strength aluminum alloy line stranded layer (2) is contrary.The utlity model has that bending stress is little, Stability Analysis of Structures, corrosion resistance is strong, the feature of long service life.
Description
Technical field
The utility model belongs to electric power transportation technology field, specifically proposes the hollow expanded diameter conductor that a kind of aluminium alloy interlocking bellows supports.
Background technology
Hollow expanded diameter conductor is transmission of electricity equipment conventional in high voltage power transmission and transforming circuit, multiplexly in high altitude localities and 330KV and 500KV transformer station, uses as bus.Traditional hollow expanded diameter conductor is the support component as hole enlargement with galvanized metal flexible hose, and object is that twisted wire external diameter is expanded, and reduces the electric field strength on twisted wire surface, avoids producing visual corona, reduces wireless interference.The enlarged diameter effect of hollow expanded diameter conductor is fine, but owing to using galvanized metal flexible hose as support component, the shortcoming of its corrosion-resistant has had a strong impact on the useful life of wire.Mix and twist between internal layer aluminum steel as the steel wire of reinforced element simultaneously, because the elasticity difference of steel, aluminium is large, and the excessive softness of galvanized flexible tube, cause the structural stability of expanded conductor poor, manufacture and construction process requirement are high, and production and efficiency of construction are not high.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to propose the hollow expanded diameter conductor that a kind of aluminium alloy interlocking bellows supports.
The utility model adopts following technical scheme for completing above-mentioned purpose:
The hollow expanded diameter conductor that aluminium alloy interlocking bellows supports, described hollow expanded diameter conductor has the aluminium alloy interlocking bellows as radial support; Described aluminium alloy interlocking bellows is the bellows-like structure of being made up of aluminum alloy strip, and between two adjacent rings aluminum alloy strip, overlap joint connects and forms interlocking, and described aluminum alloy strip has cambered surface I and the cambered surface II that opening direction is contrary; It is wavy aluminum alloy strip that described cambered surface I and cambered surface II form cross sectional shape jointly; Described cambered surface I and the cambered surface II of adjacent aluminium alloy zone circle overlap joint is connected and forms interlocking formation internal face, outside wall surface and is all the wavy aluminium alloy bellows of interlocking; In the outside wall surface of described aluminium alloy interlocking bellows, be wound with one deck high-strength aluminum alloy line stranded layer; In the outside wall surface of described high-strength aluminum alloy line stranded layer, be wound with one or more layers aluminum steel stranded layer; The winding direction of the aluminum steel stranded layer described in adjacent two layers is contrary, and the winding direction of the aluminum steel stranded layer that is adjacent of high-strength aluminum alloy line stranded layer is contrary; Described high-strength aluminum alloy line stranded layer and described aluminum steel stranded layer form the conductive layer of hollow expanded diameter conductor jointly, and high-strength aluminum alloy line stranded layer between described aluminum steel stranded layer and described aluminium alloy interlocking bellows is as conduction strengthening course.
Described high-strength aluminum alloy
linestranded layer forms by high-strength aluminum alloy line is stranded.
Described aluminum steel stranded layer, for being at least one deck, mostly is three layers most.
Described aluminum steel stranded layer forms by aluminum steel is stranded.
The hollow expanded diameter conductor that a kind of aluminium alloy interlocking bellows the utility model proposes supports, adopt the radial support of aluminium alloy interlocking bellows as hollow expanded diameter conductor, bending stress is little, can meet the requirement of wire to bending property, compare the galvanized metal flexible hose that traditional hollow expanded diameter conductor uses simultaneously larger radial support power can be provided, structure will be stablized a lot, and corrosion resistance is stronger, can effectively improve the whole service life of wire; And manufacture and complicated construction technique degree reduce, efficiency improves, and when tensile strength and ampacity slightly improve, wire overall weight reduces, and draws anharmonic ratio more excellent.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the longitudinal profile schematic diagram of aluminium alloy interlocking bellows.
Fig. 3 is the schematic appearance of aluminium alloy interlocking bellows.
In figure: 1, aluminium alloy interlocking bellows, 2, high-strength aluminum alloy line stranded layer, 3, aluminum steel stranded layer, 4, cambered surface I, 5, cambered surface II.
Embodiment
With specific embodiment, the utility model is illustrated by reference to the accompanying drawings:
As shown in Figure 1, and in conjunction with Fig. 2, Fig. 3, the hollow expanded diameter conductor that a kind of aluminium alloy interlocking bellows supports, described hollow expanded diameter conductor has the aluminium alloy interlocking bellows 1 as radial support; The bellows-like structure of described aluminium alloy interlocking bellows 1 for being made by aluminum alloy strip, and between two adjacent rings aluminum alloy strip, overlap joint connects and forms interlocking, described aluminum alloy strip has cambered surface I 4 and the cambered surface II 5 that opening direction is contrary, and described cambered surface I 4 is wavy aluminum alloy strip with the common formation cross sectional shape of cambered surface II 5; Described cambered surface I 4 and the cambered surface II of adjacent aluminium alloy zone circle 5 overlap joints are connected and form interlocking formation internal face, outside wall surface and are all the wavy aluminium alloy bellows 1 of interlocking; In the outside wall surface of described aluminium alloy interlocking bellows 1, be wound with one deck high-strength aluminum alloy line stranded layer 2; In the outside wall surface of described high-strength aluminum alloy line stranded layer 2, be wound with one or more layers aluminum steel stranded layer 3; Described aluminum steel stranded layer 3, for being at least one deck, mostly is three layers most; In this embodiment, described aluminum steel stranded layer 3 is one deck, and the winding direction of described aluminum steel stranded layer 3 is contrary with the winding direction of described high-strength aluminum alloy line stranded layer 2; Or described aluminum steel stranded layer 3 is two-layer or three layers, the winding direction of adjacent two layers aluminum steel stranded layer 3 is contrary, and the winding direction of the aluminum steel stranded layer 3 that is adjacent of high-strength aluminum alloy line stranded layer 2 is contrary; Described high-strength aluminum alloy line stranded layer 2 and the described common conductive layer that forms hollow expanded diameter conductor of aluminum steel stranded layer 3, and described aluminum steel stranded layer 3 and high-strength aluminum alloy line between described aluminium alloy interlocking bellows 1 stranded 1 layer as conducting electricity strengthening course.
Described high-strength aluminum alloy line stranded layer 2 forms by high-strength aluminum alloy line is stranded, there is higher tensile strength and good electric conductivity, thereby can improve the overall tensile strength of wire for wire provides axial resistance to tension in conduction, than the steel wire supporting material weight of traditional expanded conductor is lighter, electric conductivity is superior, is a kind of good conduction supporting material.
The tensile strength of described aluminum steel stranded layer 3 will be lower than high-strength aluminum alloy line stranded layer, but its electric conductivity is better than aluminium alloy, reaches 61%IACS, is the desirable aerial condutor conductor material of commonly using.
In the time of stranded high-strength aluminum alloy line stranded layer 2 and aluminum steel stranded layer 3, the principle of direction of lay is that the outermost layer of wire entirety is that the direction of lay of outermost layer aluminum steel stranded layer 3 is dextrad, inwardly adjacent layer opposite direction successively.
Claims (4)
1. the hollow expanded diameter conductor that aluminium alloy interlocking bellows supports, is characterized in that: described hollow expanded diameter conductor has the aluminium alloy interlocking bellows (1) as radial support; The bellows-like structure of described aluminium alloy interlocking bellows (1) for being made by aluminum alloy strip, and between two adjacent rings aluminum alloy strip, overlap joint connects and forms interlocking, described aluminum alloy strip has cambered surface I (4) and the cambered surface II (5) that opening direction is contrary, and it is wavy aluminum alloy strip that described cambered surface I (4) forms cross sectional shape jointly with cambered surface II (5); Described cambered surface I (4) and the cambered surface II (5) of adjacent aluminium alloy zone circle overlap joint is connected and forms interlocking formation internal face, outside wall surface and is all the wavy aluminium alloy bellows of interlocking; In the outside wall surface of described aluminium alloy interlocking bellows (1), be wound with one deck high-strength aluminum alloy line stranded layer (2); In the outside wall surface of described high-strength aluminum alloy line stranded layer (2), be wound with one or more layers aluminum steel stranded layer (3); Described in adjacent two layers, the winding direction of aluminum steel stranded layer (3) is contrary, and the winding direction of the aluminum steel stranded layer (3) that is adjacent of high-strength aluminum alloy line stranded layer (2) is contrary; Described high-strength aluminum alloy line stranded layer (2) and described aluminum steel stranded layer (3) form the conductive layer of hollow expanded diameter conductor jointly, and are positioned at high-strength aluminum alloy line stranded layer (2) between described aluminum steel stranded layer (3) and described aluminium alloy interlocking bellows (1) as conducting electricity strengthening course.
2. the hollow expanded diameter conductor that aluminium alloy interlocking bellows according to claim 1 supports, is characterized in that: described high-strength aluminum alloy line stranded layer (2) forms by high-strength aluminum alloy line is stranded.
3. the hollow expanded diameter conductor that aluminium alloy interlocking bellows according to claim 1 supports, is characterized in that: described aluminum steel stranded layer (3), for being at least one deck, mostly is three layers most.
4. the hollow expanded diameter conductor that aluminium alloy interlocking bellows according to claim 1 supports, is characterized in that: described aluminum steel stranded layer (3) forms by aluminum steel is stranded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381051.9U CN204010725U (en) | 2014-07-11 | 2014-07-11 | The hollow expanded diameter conductor that aluminium alloy interlocking bellows supports |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381051.9U CN204010725U (en) | 2014-07-11 | 2014-07-11 | The hollow expanded diameter conductor that aluminium alloy interlocking bellows supports |
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| Publication Number | Publication Date |
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| CN204010725U true CN204010725U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420381051.9U Expired - Fee Related CN204010725U (en) | 2014-07-11 | 2014-07-11 | The hollow expanded diameter conductor that aluminium alloy interlocking bellows supports |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616800A (en) * | 2015-02-03 | 2015-05-13 | 贵州星天电线电缆有限公司 | Heating type diameter-expansion fiber combined aluminum alloy overhead conductor |
| CN105761833A (en) * | 2016-04-25 | 2016-07-13 | 国网山东省电力公司莒南县供电公司 | Diameter expansion lead |
| CN111128449A (en) * | 2019-11-11 | 2020-05-08 | 重庆泰山电缆有限公司 | Built-in optical fiber low-voltage cable and manufacturing method thereof |
-
2014
- 2014-07-11 CN CN201420381051.9U patent/CN204010725U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616800A (en) * | 2015-02-03 | 2015-05-13 | 贵州星天电线电缆有限公司 | Heating type diameter-expansion fiber combined aluminum alloy overhead conductor |
| CN105761833A (en) * | 2016-04-25 | 2016-07-13 | 国网山东省电力公司莒南县供电公司 | Diameter expansion lead |
| CN111128449A (en) * | 2019-11-11 | 2020-05-08 | 重庆泰山电缆有限公司 | Built-in optical fiber low-voltage cable and manufacturing method thereof |
| CN111128449B (en) * | 2019-11-11 | 2021-12-24 | 重庆泰山电缆有限公司 | Built-in optical fiber low-voltage cable and manufacturing method thereof |
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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: 20141210 Termination date: 20180711 |
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| CF01 | Termination of patent right due to non-payment of annual fee |