CN204204501U - Aluminium alloy power cable is pressed in integrated protection type - Google Patents
Aluminium alloy power cable is pressed in integrated protection type Download PDFInfo
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- CN204204501U CN204204501U CN201420731077.1U CN201420731077U CN204204501U CN 204204501 U CN204204501 U CN 204204501U CN 201420731077 U CN201420731077 U CN 201420731077U CN 204204501 U CN204204501 U CN 204204501U
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Abstract
Press aluminium alloy power cable in a kind of integrated protection type, this cable is made up of cable core, waterstop, polyester belt, armour and oversheath from the inside to the outside successively; Cable core is made up of at least one insulated wire cores; Insulated wire cores is made up of conductor layer, conductor shield, crosslinked polyetylene insulated layer, insulation screen, core waterstop and metal screen layer from the inside to the outside successively; Conductor layer be many aluminum alloy round single lines and water blocking yarn stranded after again layering press the conductor made, conductor shield and insulation screen are Cross-linkable semiconductive shielding layer, and core waterstop is semiconductor waterstop; Armour is aluminum alloy strip, and aluminum alloy strip self-locking is wrapped outside polyester belt; Oversheath is termite-resistant rodent-resistant type high density polyethylene (HDPE).Press aluminium alloy power cable in the integrated protection type that the utility model provides, the defect of existing middle pressure aluminium alloy power cable can be overcome, block water, protection against rodents, anti-ant, anti-overbending excellent performance, cable run more safe and reliable, long service life.
Description
Technical field
The utility model relates to a kind of midium voltage cable, presses aluminium alloy power cable in especially a kind of integrated protection type.
Background technology
Along with middle pressure aluminium alloy power cable is in the stable operation of developed country and development, China also starts with aluminium for copper, a large amount of use in jewelling alloy power cable transfer electric energy, therefore, the application and development of pressure aluminium alloy power cable is particularly important.Owing to pressing aluminium alloy power cable to be all general type in the production and sales of current enterprise, very easily damaged under special circumstances.
The national standard that at present, pressure aluminium alloy power cable is also ununified and industry standard, most enterprise quotes foreign standard establishment provincial standard and company standard is developed in production and sales and pressed aluminium alloy power cable, and its product structure is made up of aluminium alloy conductor, conductor screen, crosslinked polyetylene insulated, insulation shielding, copper strip shielding, polyester band, steel-tape armouring and polyvinyl chloride or pe sheath from inside to outside successively.
Construction of cable material is simple, can only meet the use under general condition, very easily be damaged in special circumstances.Mainly there is following shortcoming:
1, cable does not block water, and forming insulation water tree, finally causing cable bad when there being water permeation.
2, the flexible radius of cable is comparatively large and can not self-locking, easily causes cable overbending to damage in laid processes
3, the not anti-animal of cable jacket bites, and to be bitten destruction there being cable under the environment such as mouse ant.
Summary of the invention
Technical problem to be solved in the utility model is to provide in a kind of integrated protection type and presses aluminium alloy power cable, the defect of existing middle pressure aluminium alloy power cable can be overcome, block water, protection against rodents, anti-ant, anti-overbending excellent performance, cable run more safe and reliable, long service life.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: press aluminium alloy power cable in a kind of integrated protection type, this cable is made up of cable core, waterstop, polyester belt, armour and oversheath from the inside to the outside successively;
Cable core is made up of at least one insulated wire cores;
Insulated wire cores is made up of conductor layer, conductor shield, crosslinked polyetylene insulated layer, insulation screen, core waterstop and metal screen layer from the inside to the outside successively; Conductor layer be many aluminum alloy round single lines and water blocking yarn stranded after again layering press the conductor made, conductor shield and insulation screen are Cross-linkable semiconductive shielding layer, and core waterstop is semiconductor waterstop;
Armour is aluminum alloy strip, and aluminum alloy strip self-locking is wrapped outside polyester belt;
Oversheath is termite-resistant rodent-resistant type high density polyethylene (HDPE).
In conductor layer, strandedly in every layer of aluminum alloy round single line gap be arranged with water blocking yarn.
The thickness of core waterstop and waterstop is 0.2mm, and Duplication is not less than 15%.
Polyester belt is the high-strength polyester band of 0.4 thickness, and high-strength polyester band left-hand is overlapping wrapped two-layer outside waterstop, and Duplication is not less than 20%.
Armour is thickness is 0.5mm aluminum alloy strip.
When cable core is made up of three insulated wire cores, the stranding gap-fill between each insulated wire cores has waterproofing rope.
Press aluminium alloy power cable in the integrated protection type that the utility model provides, beneficial effect is as follows:
1, water blocking yarn is added in stranded conductor, the outer wrapped semiconductor waterstop of insulation shielding, the outer wrapped waterstop of single-core cable metallic shield; The outer wrapped waterstop of three-core cable stranding, stranding fills waterproofing rope in gap, makes cable have block-water performance.
2, armour adopts aluminum alloy strip self-locking wrapped, the flexible radius of cable is diminished and can self-locking.
3, oversheath adopts termite-resistant rodent-resistant type high density polyethylene (HDPE), prevents the animals such as mouse ant from biting; Termite-proof performance index meet the requirement of the Colony test in GB/T 2951.38-1986 " electric wire termite test method ", and moth erosion grade reaches secondary; The test method that rodent-proof characteristic specifies by " electric wire protection against rodents test method " carries out protection against rodents test, meets the index request that protection against rodents destroys 2 grades.
4, through detecting cable, result shows that cable properties all meets designing requirement.Compared with common middle pressure aluminium alloy power cable, novel structure, electric property and the mechanical performance performance of cable are more superior.This cable have block water, protection against rodents, anti-ant, the integrated protection performance such as anti-overbending.Cable can lay and be applicable to humidity, have the environmental conditions such as mouse ant under, and anti-to lay and overbending in use procedure, cable runs more safe and reliable, longer service life.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is structural representation of the present utility model, and cable core is made up of an insulated wire cores;
Fig. 2 is structural representation of the present utility model, and cable core is made up of three insulated wire cores;
Fig. 3 is production technological process of the present utility model.
Embodiment
As depicted in figs. 1 and 2, press aluminium alloy power cable in a kind of integrated protection type, this cable is made up of cable core, waterstop 7, polyester belt 8, armour 9 and oversheath 10 from the inside to the outside successively;
Cable core is made up of at least one insulated wire cores;
Insulated wire cores is made up of conductor layer 1, conductor shield 2, crosslinked polyetylene insulated layer 3, insulation screen 4, core waterstop 5 and metal screen layer 6 from the inside to the outside successively; Conductor layer 1 be many aluminum alloy round single lines and water blocking yarn stranded after again layering press the conductor made, conductor shield 2 and insulation screen 4 are Cross-linkable semiconductive shielding layer, and core waterstop 5 is semiconductor waterstop;
Armour 9 is aluminum alloy strip, and aluminum alloy strip self-locking is wrapped outside polyester belt 8;
Oversheath 10 is termite-resistant rodent-resistant type high density polyethylene (HDPE).
In conductor layer 1, strandedly in every layer of aluminum alloy round single line gap be arranged with water blocking yarn.
The thickness of core waterstop 5 and waterstop 7 is 0.2mm, and Duplication is not less than 15%.
Polyester belt 8 is the high-strength polyester band of 0.4 thickness, and high-strength polyester band left-hand is overlapping wrapped two-layer outside waterstop 7, and Duplication is not less than 20%.
Armour 9 for thickness be 0.5mm aluminum alloy strip.
When cable core is made up of three insulated wire cores, the stranding gap-fill between each insulated wire cores has waterproofing rope 11.
As shown in Figure 3, production process of the present utility model is as follows:
1, conductor strand system
Conductor adopts the aluminium alloy conductor meeting GB/T3956-2008 and require.First, adopt continuous casting and rolling production line to manufacture aluminium alloy rod, drawn the aluminum alloy round single line of required specification by the large wire drawing machine of aluminium alloy.Secondly, adopt many aluminum alloy round single lines to carry out stranded, carry out layering by nano die and press, ensure that the close structure of conductor is stablized and smooth surface.Again, the aluminium alloy conductor after adopting aluminium alloy aging furnace strand to press carries out Ageing Treatment, ensure that mechanical performance and the electrical property of aluminium alloy conductor.In the strand process of aluminium alloy conductor, stranded arrangement water blocking yarn in every layer of aluminum alloy round single line gap, ensure that the block-water performance of aluminium alloy conductor.
2, conductor shield 2, crosslinked polyetylene insulated layer 3 and insulation screen 4 are three-layer co-extruded
Conductor shield 2 adopts Cross-linkable semiconductive shieldin material.Conductor shield 2 should be extruded on conductor equably, and when peeling off conductor shield 2, the phenomenon in aluminum alloy round single line gap got into by the conductor screen material that do not have, and nominal thickness is 0.8mm, and minimum thickness should be not less than 0.6mm.
Crosslinked polyetylene insulated layer 3 should be extruded on conductor shield 2 equably, and nominal thickness is shown in Table 1, and thickness average value should be not less than nominal value, and the thinnest dot thickness should be not less than 90% of nominal thickness, and the degree of eccentricity is not more than 10%.
Insulation screen 4 adopts Cross-linkable semiconductive shieldin material.Insulation screen 4 should be extruded on crosslinked polyetylene insulated layer 3 equably, and nominal thickness is 0.8mm, and minimum thickness should be not less than 0.7mm.
Each crowded cladding surface should be smooth, without wedge angle, particle, burn, the phenomenon such as scratch.
Table 1
3, core waterstop 5 is wrapped
Core waterstop 5 adopts the semiconductor waterstop of 0.2mm thickness.Waterstop answers the overlapping wrapped one deck of dextrad outside insulated wire cores insulation shielding, and Duplication is not less than 15%, and must not there be the phenomenons such as fold, lace, bottom pour ladle on surface.
4. metal screen layer 6 is wrapped
Metal screen layer 6 adopts soft state copper strips, single-core cable copper strips thickness used is 0.12mm, three-core cable copper strips used thickness is that 0.1mm. copper strips answers the overlapping wrapped one deck of dextrad outside core waterstop 5, and Duplication is not less than 15%, and must not there be the phenomenons such as fold, lace, bottom pour ladle on surface.
5. waterstop 7 is wrapped
Waterstop 7 adopts the common waterstop of 0.2mm thickness.Single-core cable waterstop used 7 answers the overlapping wrapped one deck of left-hand outside metal screen layer 6, three-core cable waterstop used 7 answers left-hand overlapping wrapped two-layer outside one-tenth cable core metal screen layer 6, stranding gap waterproofing rope 11 is filled, Duplication is not less than 15%, and must not there be the phenomenons such as fold, lace, bottom pour ladle on surface.
6. polyester belt 8 is wrapped
Polyester belt 8 should adopt the high-strength polyester band of 0.4 thickness.Polyester belt answers left-hand, and overlapping wrapped two-layer outside waterstop 7, Duplication is not less than 20%, and must not there be the phenomenons such as fold, lace, bottom pour ladle on surface
7. metal armouring self-locking is wrapped
Armour 9 adopts thickness to be 0.5mm aluminum alloy strip.Aluminum alloy strip answers self-locking wrapped outside polyester belt 8, bends high seamlessly transitting, and surface must not the phenomenon such as jagged, wedge angle.
8. oversheath 10 extrudes
Oversheath 10 adopts termite-resistant rodent-resistant type high density polyethylene (HDPE) sheath, should be extruded in equably on armour 9, nominal thickness is 0.035 times of+1mm of diameter under sheath, thickness average value should be not less than nominal value, the thinnest dot thickness should be not less than 85% of nominal thickness, oversheath 10 outward appearance shall be rounded up, smoothly, not damaged, section pore-free.
Claims (6)
1. press an aluminium alloy power cable in integrated protection type, it is characterized in that: this cable is made up of cable core, waterstop (7), polyester belt (8), armour (9) and oversheath (10) from the inside to the outside successively;
Cable core is made up of at least one insulated wire cores;
Insulated wire cores is made up of conductor layer (1), conductor shield (2), crosslinked polyetylene insulated layer (3), insulation screen (4), core waterstop (5) and metal screen layer (6) from the inside to the outside successively; Conductor layer (1) for many aluminum alloy round single lines and water blocking yarn stranded after again layering press the conductor made, conductor shield (2) and insulation screen (4) are Cross-linkable semiconductive shielding layer, and core waterstop (5) is semiconductor waterstop;
Armour (9) is aluminum alloy strip, and aluminum alloy strip self-locking is wrapped at polyester belt (8) outward;
Oversheath (10) is termite-resistant rodent-resistant type high density polyethylene (HDPE).
2. press aluminium alloy power cable in integrated protection type according to claim 1, it is characterized in that: in conductor layer (1), strandedly in every layer of aluminum alloy round single line gap be arranged with water blocking yarn.
3. press aluminium alloy power cable in integrated protection type according to claim 1, it is characterized in that: the thickness of core waterstop (5) and waterstop (7) is 0.2mm, and Duplication is not less than 15%.
4. press aluminium alloy power cable in integrated protection type according to claim 1, it is characterized in that: polyester belt (8) is the high-strength polyester band of 0.4 thickness, high-strength polyester band left-hand overlapping wrapped two-layer at waterstop (7) outward, Duplication is not less than 20%.
5. press aluminium alloy power cable in integrated protection type according to claim 1, it is characterized in that: armour (9) for thickness be 0.5mm aluminum alloy strip.
6. press aluminium alloy power cable in integrated protection type according to claim 1, it is characterized in that: when cable core is made up of three insulated wire cores, the stranding gap-fill between each insulated wire cores has waterproofing rope (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420731077.1U CN204204501U (en) | 2014-11-28 | 2014-11-28 | Aluminium alloy power cable is pressed in integrated protection type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420731077.1U CN204204501U (en) | 2014-11-28 | 2014-11-28 | Aluminium alloy power cable is pressed in integrated protection type |
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| CN204204501U true CN204204501U (en) | 2015-03-11 |
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| CN201420731077.1U Expired - Fee Related CN204204501U (en) | 2014-11-28 | 2014-11-28 | Aluminium alloy power cable is pressed in integrated protection type |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105005129A (en) * | 2015-08-24 | 2015-10-28 | 中国电子科技集团公司第三十四研究所 | Rat-proof field cable |
| CN105702333A (en) * | 2016-03-30 | 2016-06-22 | 湖南华泰电缆有限公司 | Salt-deposition-preventing and oil-resistant type sea wind-power soft cable |
| CN105895227A (en) * | 2016-06-24 | 2016-08-24 | 王纬 | High-reliability environmental-friendly aluminium alloy power cable |
| CN107644708A (en) * | 2017-11-17 | 2018-01-30 | 江苏凯达电缆有限公司 | A kind of anti-interference polyvinyl chloride insulation LWA light wire armoured power cable of resistance to compression tension |
-
2014
- 2014-11-28 CN CN201420731077.1U patent/CN204204501U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105005129A (en) * | 2015-08-24 | 2015-10-28 | 中国电子科技集团公司第三十四研究所 | Rat-proof field cable |
| CN105702333A (en) * | 2016-03-30 | 2016-06-22 | 湖南华泰电缆有限公司 | Salt-deposition-preventing and oil-resistant type sea wind-power soft cable |
| CN105895227A (en) * | 2016-06-24 | 2016-08-24 | 王纬 | High-reliability environmental-friendly aluminium alloy power cable |
| CN105895227B (en) * | 2016-06-24 | 2017-12-22 | 盐城利维线缆有限公司 | A kind of high reliability environmental protection aluminium alloy power cable |
| CN107644708A (en) * | 2017-11-17 | 2018-01-30 | 江苏凯达电缆有限公司 | A kind of anti-interference polyvinyl chloride insulation LWA light wire armoured power cable of resistance to compression tension |
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| 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: 20150311 Termination date: 20181128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |