CN105679413A - Aluminium alloy cable with high compressive strength - Google Patents
Aluminium alloy cable with high compressive strength Download PDFInfo
- Publication number
- CN105679413A CN105679413A CN201510661067.4A CN201510661067A CN105679413A CN 105679413 A CN105679413 A CN 105679413A CN 201510661067 A CN201510661067 A CN 201510661067A CN 105679413 A CN105679413 A CN 105679413A
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- CN
- China
- Prior art keywords
- layer
- aluminium alloy
- metal ring
- alloy cable
- compression strength
- 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.)
- Pending
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/223—Longitudinally placed metal wires or tapes forming part of a high tensile strength core
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
- H01B3/445—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds from vinylfluorides or other fluoroethylenic compounds
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0266—Disposition of insulation comprising one or more braided layers of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/225—Longitudinally placed metal wires or tapes forming part of an outer sheath
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses an aluminium alloy cable with high compressive strength. The aluminium alloy cable comprises a steel core and aluminium alloy conductors distributed on the exterior of the steel core in an annular array manner, wherein an environment-friendly insulating protection layer is arranged on the exterior of each aluminium alloy conductor in a sleeving manner separately; an insulating thermal insulation layer is arranged on the exteriors of the environment-friendly insulating protection layers; a metal ring layer is arranged on the exterior of the insulating thermal insulation layer; an outer layer insulation layer is arranged on the exterior of the metal ring layer; a hollow cavity is formed between the outer layer insulation layer and the metal ring layer; triangular-prism-shaped metal cores are arranged in the hollow cavity; an insulating layer is arranged on the exterior of each metal core in a sleeving manner; and the metal cores are distributed on the exterior of the metal ring layer in an annular array manner. By adoption of the triangular-prism-shaped metal cores, external pressure can be buffered so as to prevent the internal conductors from being damaged; and meanwhile, the cable is provided with the metal ring layer, so that the cable strength can be effectively improved.
Description
Technical field
The present invention relates to the aluminium alloy cable that a kind of ultimate compression strength is high.
Background technology
Buried cable can be subject to bigger external pressure usually, and under external pressure effect, the insulating protective layer of cable outside easily damages, and causes cable short circuit occur.
Summary of the invention
It is an object of the invention to provide the aluminium alloy cable that a kind of ultimate compression strength is high, prior art Problems existing can be improved, by arranging the metal core of triangular prism shape, external pressure is cushioned, inner conductor is avoided to damage, simultaneously by arranging metal ring layer, it is possible to effectively to improve cable intensity.
The present invention is achieved through the following technical solutions:
The aluminium alloy cable that a kind of ultimate compression strength is high, comprise steel core and the annular array aluminium alloy conductor in described steel core outside, described aluminium alloy conductor outer cover is equipped with environmental protection insulating protective layer, insulated thermal insulating layer is had in described environmental protection insulating protective layer outer setting, metal ring layer is had in described insulated thermal insulating layer outer setting, outer insulation is had in described metal ring layer outer setting, cavity is formed between described outer insulation and described metal ring layer, the metal core in triangular prism shape it is provided with in described cavity, in described metal core outer cover, insulation layer is housed, it is outside that described metal core circular array is arranged in described metal ring layer,
Described outer insulation is that magnesium oxide and tetrafluoroethylene are shaping according to mass percent 2:1 hybrid process;
Described insulated thermal insulating layer is that basalt fiber cloth is made, and is evenly coated with pvc coating respectively in described insulated thermal insulating layer outside and described steel core outside.
Further, for realizing the present invention better, between adjacent described metal core, it is provided with stranded conductor, in described stranded conductor outer cover, insulating protective layer is housed.
Further, for realizing the present invention better, it is outside that described metal core and described stranded conductor are spirally wrapped around described metal ring layer respectively.
Further, for realizing the present invention better, between described metal ring layer and described insulated thermal insulating layer, it is provided with virtue synthetic fibre silk by layer.
Further, for realizing the present invention better, it is outside that described fragrant synthetic fibre silk is helically wrapped in described insulated thermal insulating layer by layer, and described fragrant synthetic fibre silk is contrary with the rotary orientation of described stranded conductor by the rotary orientation of layer.
Further, for realizing the present invention better, described metal ring layer is that sheet bullion spiral winding is formed, and described wire loop helical layer winding direction is contrary with the rotary orientation of described stranded conductor.
Further, for realizing the present invention better, the space between described steel core and described environmental protection insulating protective layer is filled with virtue synthetic fibre silk.
Further, for realizing the present invention better, on described fragrant synthetic fibre silk side outer wall, it is coated with brea bed at described environmental protection insulating protective layer.
The present invention compared with prior art, has following useful effect:
(1) the present invention is by adopting metal core support metal ring layer and the outer insulation of triangular prism shape, it is possible to effectively alleviate external pressure, avoids inner conductor to be subject to fracture occur during power;
(2) the present invention is by adopting metal ring layer, it is possible to effectively improve the outside compressive property of cable, effectively improves the intensity of cable;
(3) the present invention makes outer insulation by employing magnesium oxide and tetrafluoroethylene, it is possible to utilize the good insulating property of above-mentioned materials, it is to increase the insulation effect of cable.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, it is briefly described to the accompanying drawing used required in embodiment below, it is to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore should not be counted as is the restriction to scope, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other relevant accompanying drawings according to these accompanying drawings.
Fig. 1 is one-piece construction schematic diagram of the present invention.
Wherein: 101. aluminium alloy conductors, 102. environmental protection insulating protective layers, 103. insulated thermal insulating layer, 104. steel cores, 105. stranded conductors, 106. insulating protective layers, 107. outer insulations, 108. virtue synthetic fibre silks by layer, 109. metal ring layers, 110. metal cores.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1:
As shown in Figure 1, the aluminium alloy cable that a kind of ultimate compression strength is high, comprise steel core 104 and the annular array aluminium alloy conductor 101 in described steel core 104 outside, described aluminium alloy conductor outer cover is equipped with environmental protection insulating protective layer 102, insulated thermal insulating layer 103 is had in described environmental protection insulating protective layer 102 outer setting, metal ring layer 109 is had in described insulated thermal insulating layer 103 outer setting, outer insulation 107 is had in described metal ring layer 109 outer setting, cavity is formed between described outer insulation 107 and described metal ring layer 109, the metal core 110 in triangular prism shape it is provided with in described cavity, in described metal core 110 outer cover, insulation layer is housed, it is outside that described metal core 110 circular array is arranged in described metal ring layer 109,
Described outer insulation 107 is that magnesium oxide and tetrafluoroethylene are shaping according to mass percent 2:1 hybrid process;
Described insulated thermal insulating layer 103 is made for basalt fiber cloth, and in described insulated thermal insulating layer 103, outside and described steel core 104 outside is evenly coated with pvc coating respectively.
Embodiment 2:
The present embodiment is on the basis of embodiment 1, it may be preferred that is provided with stranded conductor 105 between adjacent described metal core 110, in described stranded conductor 105 outer cover, insulating protective layer 106 is housed.
By arranging stranded conductor, it is possible to when low-temperature condition occurs, it is energized by strand conductor, is heated up in cable outside, avoid cable to freeze.
In order to improve the stretch-resistance energy of cable, in the present embodiment, it may be preferred that it is outside that described metal core 110 and described stranded conductor 105 are spirally wrapped around described metal ring layer 109 respectively.
Adopt the mode of spiral winding, it is possible to make metal core be distributed on metal ring layer outside simultaneously, thus improve overall compressive property.
Further preferably, in the present embodiment, in order to the frictional force increased between metal ring layer and insulated thermal insulating layer, it may be preferred that be provided with virtue synthetic fibre silk between described metal ring layer 109 and described insulated thermal insulating layer 103 by layer 108.
Further preferably, in order to improve the stretch-resistance energy of the present invention, in the present embodiment, it is outside that described fragrant synthetic fibre silk is helically wrapped in described insulated thermal insulating layer 103 by layer 108, and described fragrant synthetic fibre silk is contrary with the rotary orientation of described stranded conductor 105 by the rotary orientation of layer 108.
In order to convenient processing, in the present embodiment, it may be preferred that described metal ring layer 109 is that sheet bullion spiral winding is formed, and described metal ring layer 109 spiral winding direction is contrary with the rotary orientation of described stranded conductor 105.
By adopting the double layer of metal ring layer of oppositely winding, it is possible to while ensureing compressive property, it is to increase interaction force between the two, it is to increase the stretch-resistance energy of the present invention.
Further preferably, in the present embodiment, the space between described steel core 104 and described environmental protection insulating protective layer 102 is filled with virtue synthetic fibre silk.
By adopting virtue synthetic fibre silk to fill the space between steel core and environmental protection insulating protective layer, it is possible to avoid aluminium alloy conductor to move relative to steel core, it is to increase the stability of aluminium alloy conductor.
Preferably, on described fragrant synthetic fibre silk side outer wall, it is coated with brea bed at described environmental protection insulating protective layer 102.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations. Within the spirit and principles in the present invention all, any amendment of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the aluminium alloy cable that a ultimate compression strength is high, it is characterized in that: comprise steel core (104) and annular array at the outside aluminium alloy conductor (101) of described steel core (104), described aluminium alloy conductor outer cover is equipped with environmental protection insulating protective layer (102), insulated thermal insulating layer (103) is had in described environmental protection insulating protective layer (102) outer setting, metal ring layer (109) is had in described insulated thermal insulating layer (103) outer setting, outer insulation (107) is had in described metal ring layer (109) outer setting, cavity is formed between described outer insulation (107) and described metal ring layer (109), the metal core (110) in triangular prism shape it is provided with in described cavity, in described metal core (110) outer cover, insulation layer is housed, it is outside that described metal core (110) circular array is arranged in described metal ring layer (109),
Described outer insulation (107) for magnesium oxide and tetrafluoroethylene shaping according to mass percent 2:1 hybrid process;
Described insulated thermal insulating layer (103) is made for basalt fiber cloth, and in described insulated thermal insulating layer (103), outside and described steel core (104) outside is evenly coated with pvc coating respectively.
2. the aluminium alloy cable that a kind of ultimate compression strength according to claim 1 is high; it is characterized in that: between adjacent described metal core (110), be provided with stranded conductor (105), in described stranded conductor (105) outer cover, insulating protective layer (106) be housed.
3. the aluminium alloy cable that a kind of ultimate compression strength according to claim 2 is high, it is characterised in that: it is outside that described metal core (110) and described stranded conductor (105) are spirally wrapped around described metal ring layer (109) respectively.
4. the aluminium alloy cable that a kind of ultimate compression strength according to claim 3 is high, it is characterised in that: between described metal ring layer (109) and described insulated thermal insulating layer (103), it is provided with virtue synthetic fibre silk by layer (108).
5. the aluminium alloy cable that a kind of ultimate compression strength according to claim 4 is high, it is characterized in that: it is outside that described fragrant synthetic fibre silk is helically wrapped in described insulated thermal insulating layer (103) by layer (108), and described fragrant synthetic fibre silk is contrary with the rotary orientation of described stranded conductor (105) by the rotary orientation of layer (108).
6. the aluminium alloy cable that a kind of ultimate compression strength according to claim 4 is high, it is characterized in that: described metal ring layer (109) is the formation of sheet bullion spiral winding, and described metal ring layer (109) spiral winding direction is contrary with the rotary orientation of described stranded conductor (105).
7. the aluminium alloy cable that a kind of ultimate compression strength according to the arbitrary item of claim 1-6 is high, it is characterised in that: the space between described steel core (104) and described environmental protection insulating protective layer (102) is filled with virtue synthetic fibre silk.
8. the aluminium alloy cable that a kind of ultimate compression strength according to claim 7 is high, it is characterised in that: on described fragrant synthetic fibre silk side outer wall, it is coated with brea bed at described environmental protection insulating protective layer (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510661067.4A CN105679413A (en) | 2015-10-15 | 2015-10-15 | Aluminium alloy cable with high compressive strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510661067.4A CN105679413A (en) | 2015-10-15 | 2015-10-15 | Aluminium alloy cable with high compressive strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105679413A true CN105679413A (en) | 2016-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510661067.4A Pending CN105679413A (en) | 2015-10-15 | 2015-10-15 | Aluminium alloy cable with high compressive strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105679413A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4907855A (en) * | 1988-01-15 | 1990-03-13 | Siemens Aktiengesellschaft | Marine cable for a fiber optic waveguide with regenerator supply |
| CN203218028U (en) * | 2013-03-25 | 2013-09-25 | 浙江中天电线电缆有限公司 | Anti-termite pressure-resistant direct-buried data cable |
| CN203311871U (en) * | 2013-05-23 | 2013-11-27 | 远东电缆有限公司 | Umbilical cable for ocean engineering |
| CN104409145A (en) * | 2014-11-19 | 2015-03-11 | 浙江汉维通信器材有限公司 | Cold-resistant and resist compression cable |
| CN104485164A (en) * | 2014-12-30 | 2015-04-01 | 宁波神雕电缆有限公司 | Voltage-withstanding aluminum alloy cable |
| CN204242630U (en) * | 2014-12-17 | 2015-04-01 | 河南华通电缆有限公司 | Fireproof control cable |
-
2015
- 2015-10-15 CN CN201510661067.4A patent/CN105679413A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4907855A (en) * | 1988-01-15 | 1990-03-13 | Siemens Aktiengesellschaft | Marine cable for a fiber optic waveguide with regenerator supply |
| CN203218028U (en) * | 2013-03-25 | 2013-09-25 | 浙江中天电线电缆有限公司 | Anti-termite pressure-resistant direct-buried data cable |
| CN203311871U (en) * | 2013-05-23 | 2013-11-27 | 远东电缆有限公司 | Umbilical cable for ocean engineering |
| CN104409145A (en) * | 2014-11-19 | 2015-03-11 | 浙江汉维通信器材有限公司 | Cold-resistant and resist compression cable |
| CN204242630U (en) * | 2014-12-17 | 2015-04-01 | 河南华通电缆有限公司 | Fireproof control cable |
| CN104485164A (en) * | 2014-12-30 | 2015-04-01 | 宁波神雕电缆有限公司 | Voltage-withstanding aluminum alloy cable |
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Application publication date: 20160615 |