CN203192517U - Power cable - Google Patents
Power cable Download PDFInfo
- Publication number
- CN203192517U CN203192517U CN 201320149148 CN201320149148U CN203192517U CN 203192517 U CN203192517 U CN 203192517U CN 201320149148 CN201320149148 CN 201320149148 CN 201320149148 U CN201320149148 U CN 201320149148U CN 203192517 U CN203192517 U CN 203192517U
- Authority
- CN
- China
- Prior art keywords
- core
- power cable
- tensile strength
- steel wire
- steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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[Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000004020 conductor Substances 0.000 claims abstract description 10
- 210000003491 Skin Anatomy 0.000 claims description 5
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 8
- 238000009413 insulation Methods 0.000 description 4
- 230000037250 Clearance Effects 0.000 description 2
- 230000035512 clearance Effects 0.000 description 2
- 229910000677 High-carbon steel Inorganic materials 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Abstract
The utility model relates to the technical field of electric power fittings, and aims to provide a power cable with high tensile strength and good insulating property. The power cable comprises at least one inner core prepared by steel wire, an external layer consisting a plurality of intertwisted aluminium conductors tightly arranged around the inner core, and an insulating layer wrapping the external layer. The utility model has the advantage that aluminium wires are intertwisted around the steel core to increase tensile strength of the line, and the insulating layer is wrapped on the external layer to increase insulating property of the line. The utility model has characteristics of simple structure, convenience for erection and maintenance, large tensile strength, good insulating property and capability of enlarging a tower rod distance.
Description
Technical field
The utility model relates to the electric armour clamp technical field, is specifically related to a kind of power cable.
Background technology
What generally use in city and rural area transmission line at present is aluminium cable, but in transmission line, has certain span owing between the tower bar, and common aluminium cable is because tensile property is bad, often in transmission line, need to lay more tower bar, the wasting of resources is more serious, and its insulating properties of aluminium cable is bad, has brought hidden danger for people's life, therefore needs transmission line to have tensile property and insulation property preferably in the circuit transmission.
The utility model content
The purpose of this utility model is for having solved above-mentioned existing technical disadvantages, and the utility model provides a kind of tensile strength height, the power cable of good insulation preformance.
For achieving the above object, the technical solution adopted in the utility model is: a kind of power cable comprises the inner core made by the steel material, closely is arranged in skin around the inner core, wraps up outer field insulating barrier by stranded mode by some aluminum conductors.
Preferably: described inner core is galvanized steel wire.
Preferably: described steel wire quantity is 1.
Preferably: described aluminum conductor quantity is 6.
Preferably: described insulating barrier is polyvinyl chloride.
Useful technique effect of the present invention is: in the technical solution of the utility model, by aluminum steel being stranded in steel core on every side to increase the tensile strength of circuit, outer wrap insulate layer to be to increase the insulating properties of circuit, have simple in structure, set up with easy to maintenance, tensile strength big, the tower pole clearance is from characteristics such as scalable, good insulating.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the first embodiment cross-sectional view of the present utility model;
Fig. 3 is the second embodiment cross-sectional view of the present utility model.
Among the figure: 1, inner core, 2, skin, 3, insulating barrier, 4, steel wire, 5, aluminum conductor.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1 and Figure 2, as first kind of specific embodiment of the present utility model.
A kind of power cable comprises inner core 1, skin 2, insulating barrier 3; Inner core 1 is a steel wire 4, the preferred galvanized steel wire of present embodiment, obviously also can be high-carbon steel wire or other steel wires 4, outer 2 for closely being arranged in inner core 16 aluminum conductors 5 on every side by stranded mode, inner core 1 is that many steel wires 4 are when stranded, the direction of lay of the direction of lay of inner core 1 and skin 2 is opposite, and the rotating torque of each layer generation is cancelled out each other when twisted wire is stressed, and the steel wire 4 of inner core 1 and outer 2 aluminum conductor 5 are rotated and the pine thigh to a direction.Steel wire 4 is the load spare of this power cable, and aluminum conductor 5 mainly works to transmit electric energy.Insulating barrier 3 parcel is outer 2, and insulating barrier 3 is made of polyvinyl chloride, has the good insulation performance to guarantee transmission line.
As shown in Figure 3, as second kind of specific embodiment of the present utility model.
A kind of power cable, inner core 1 adopts three steel wire 4 stranded forming, other and first kind of embodiment are consistent, when tower bar span increases, when needing transmission line to have higher tensile property, also can twist together by many steel wires 4, in the middle of reality, can adjust the quantity of steel wire 4 and aluminum conductor 5 according to the span of tower bar.Described embodiment only is the utility model part embodiment, rather than whole embodiment.
In sum: at the utility model by aluminum steel being stranded in around the steel core to increase the tensile strength of circuit, outer wrap insulate layer is to increase the insulating properties of circuit, the utlity model has tensile strength height, good insulation preformance, tower pole clearance from characteristics such as scalable, and the utility model simple in structure, set up with easy to maintenance, be conducive on the outskirts of a town the laying with the rural area transmission line.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (5)
1. power cable is characterized in that: comprise the inner core (1) made by at least one steel wire (4), closely be arranged in inner core (1) skin (2) on every side, the insulating barrier (3) of parcel outer (2) by some aluminum conductors (5) by stranded mode.
2. a kind of power cable according to claim 1, it is characterized in that: described inner core (1) is galvanized steel wire.
3. a kind of power cable according to claim 1, it is characterized in that: the quantity of described steel wire (4) is 1.
4. a kind of power cable according to claim 1, it is characterized in that: the quantity of described aluminum conductor (5) is 6.
5. a kind of power cable according to claim 1, it is characterized in that: described insulating barrier (3) is polyvinyl chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320149148 CN203192517U (en) | 2013-03-28 | 2013-03-28 | Power cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103985441A (en) * | 2014-05-28 | 2014-08-13 | 山东中州电缆有限公司 | Ice and snow preventing aerial insulated cable and manufacturing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103985441A (en) * | 2014-05-28 | 2014-08-13 | 山东中州电缆有限公司 | Ice and snow preventing aerial insulated cable and manufacturing method |
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Denomination of utility model: A power cable Effective date of registration: 20191119 Granted publication date: 20130911 Pledgee: Huaxia Bank, Limited by Share Ltd, Kunming, Chenggong Pledgor: Kunming Kun Yun Cable Co., Ltd. Registration number: Y2019530000009 |
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Denomination of utility model: A kind of power cable Effective date of registration: 20200811 Granted publication date: 20130911 Pledgee: Huaxia Bank Limited by Share Ltd. Kunming Chenggong Pledgor: KUNMING KUNYUN CABLE Co.,Ltd. Registration number: Y2020530000015 |