CN203552757U - Arc-shaped interlocking rare earth aluminum alloy cable with high compression resistance - Google Patents
Arc-shaped interlocking rare earth aluminum alloy cable with high compression resistance Download PDFInfo
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- CN203552757U CN203552757U CN201320531004.3U CN201320531004U CN203552757U CN 203552757 U CN203552757 U CN 203552757U CN 201320531004 U CN201320531004 U CN 201320531004U CN 203552757 U CN203552757 U CN 203552757U
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- cable core
- rare earth
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- cable
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Abstract
The utility model discloses an arc-shaped interlocking rare earth aluminum alloy cable with high compression resistance. The arc-shaped interlocking rare earth aluminum alloy cable comprises a cable core, wherein the cable core is spliced by conductors, the cross section of each conductor is polygonal, and the cross section of the cable core spliced by the conductors is circular. The cross section of the conductor located at the center of the cable core is regular hexagonal, and the cross sections of conductors located on other positions of the cable core are trapezoidal. An insulating layer, a metal jacket, a thermal insulation layer, an arc-shaped interlocking armor layer and an outer protection layer are sequentially wrapped at the outside of the cable core from inside to outside.
Description
Technical field
The utility model relates to aluminium alloy cable, relates in particular to the chain rare earth aluminium alloy cable conductor of high resistance to compression arc structure.
Background technology
Due to the rareness in China's copper resource, bauxite resource and rare earth resources are abundanter, in China, use in a large number aluminum core cable and line, and aluminium cable in use exposes problem gradually, creep resisting ability and corrosion resistance ability decline, and especially contact resistance increase in joint causes fire phenomena to occur.A kind of novel aluminum alloy conductor replaces aluminium core conductor, conductor adopts splicing to press structure, reached to a certain extent the object with aluminium joint copper, in addition original common galvanized steel strip easily produces the problems such as burr, alice, gap in wrapped process, easily cause point discharge phenomenon, and cause electric power transfer paralysis.The application is just in the situation based on above-mentioned background and the improvement of carrying out.
Utility model content
Technical problem to be solved in the utility model is to provide the chain rare earth aluminium alloy cable of high resistance to compression arc that a kind of cross section structure is compact, be convenient to laying installation.
In order to solve the problems of the technologies described above, the chain rare earth aluminium alloy cable of high resistance to compression arc of the present utility model, comprises cable core, and this cable core is assembled by conductor, and the cross section of described conductor is polygon, and the cable core cross section that this conductor is spliced into is for circular.
The conductors cross that is positioned at described cable core centre is regular hexagon, and the conductors cross that is positioned at other positions of described cable core is trapezoidal.
Described cable core is outer from inner insulating barrier, metallic sheath, thermal insulation layer, the chain armour of arc and the outer jacket of being outwards coated with successively.
This rare earth aluminium alloy cable comprise conductor adopt trapezoidal "
" and regular hexagon "
" shape, and adopt splicing to form conductor cable core closely, reduce the outside diameter of cable, appropriate cable laying installation condition and saving sheath material.
At cable core, adopt curved metal band to carry out armouring outward, its compression strength is wrapped 20 times of common galvanized steel strip, even if effectively protect cable core fail safe to have three-phase imbalance cable, also can not produce eddy current, can reduce the loss of circuit.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the cross-sectional structure schematic diagram of a kind of embodiment of the utility model;
Fig. 2 is the cross-sectional structure schematic diagram of cable core in Fig. 1 illustrated embodiment.
In figure, 1-conductor, 2-cable core, 3-insulating barrier, 4-metallic sheath 4,5-thermal insulation layer, the chain armour of 6-arc, 7-outer jacket.
Embodiment
As shown in Figure 1 and Figure 2, the chain rare earth aluminium alloy cable of high resistance to compression arc of the present utility model, its cable core 2 adopts splicing to press form by conductor 1, the conductors cross that is positioned at described cable core centre be regular hexagon ("
" shape), the conductors cross that is positioned at other positions of described cable core be trapezoidal ("
" shape).Cable core 2 cross sections that conductor 1 is spliced into are circular, to reduce the outside diameter of cable, and appropriate cable laying installation condition and saving sheath material.
For homogenizing electric field, at cable core outer cladding one layer insulating 3, nominal thickness is 1.0mm.Due at transmission current, electric current produces magnetic field around, and wrapped or extrude layer of metal sheath 4 insulating material outside, on the one hand effective shielding action, has certain ground protection effect on the other hand.Outside metallic sheath 4, extrude one deck polyolefine material, form thermal insulation layer 5.Outside thermal insulation layer 5, there is the chain armour 6 of arc, metal material is pressed into after S type curved surface in advance, centered by cable core, rotation is coated on cable core outside, and each joint " S " type curved surface fastens mutually, forms the armouring sheath of one deck self-locking.Compare with steel band, advantage is not only to bear the higher radial pressure that is subject to, and more can bear certain axial tension, and its bending radius is much smaller than band-armored, and compression strength reaches 12000MPa.Outside chain armour 6, extrude one deck polyolefine material, form outer jacket 7.
Claims (3)
1. the one kind high chain rare earth aluminium alloy cable of resistance to compression arc, comprise cable core (2), this cable core (2) is assembled by conductor (1), it is characterized in that: the cross section of described conductor (1) is polygon, cable core (2) cross section that this conductor (1) is spliced into is for circular.
2. the chain rare earth aluminium alloy cable of high resistance to compression arc according to claim 1, it is characterized in that: conductor (1) cross section that is positioned at described cable core (2) centre is regular hexagon, conductor (1) cross section that is positioned at other positions of described cable core (2) is trapezoidal.
3. the chain rare earth aluminium alloy cable of high resistance to compression arc according to claim 1 and 2, is characterized in that: described cable core (2) is outer from inner insulating barrier (3), metallic sheath (4), thermal insulation layer (5), the chain armour of arc (6) and the outer jacket (7) of being outwards coated with successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320531004.3U CN203552757U (en) | 2013-08-29 | 2013-08-29 | Arc-shaped interlocking rare earth aluminum alloy cable with high compression resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320531004.3U CN203552757U (en) | 2013-08-29 | 2013-08-29 | Arc-shaped interlocking rare earth aluminum alloy cable with high compression resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203552757U true CN203552757U (en) | 2014-04-16 |
Family
ID=50470838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320531004.3U Expired - Lifetime CN203552757U (en) | 2013-08-29 | 2013-08-29 | Arc-shaped interlocking rare earth aluminum alloy cable with high compression resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203552757U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109903897A (en) * | 2019-02-28 | 2019-06-18 | 上海胜华电气股份有限公司 | A kind of mineral insulation ripple copper sheath cable and preparation method thereof |
-
2013
- 2013-08-29 CN CN201320531004.3U patent/CN203552757U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109903897A (en) * | 2019-02-28 | 2019-06-18 | 上海胜华电气股份有限公司 | A kind of mineral insulation ripple copper sheath 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: 20140416 |