CN104751961B - A kind of warp resistance self-supporting cable and its manufacture method - Google Patents
A kind of warp resistance self-supporting cable and its manufacture method Download PDFInfo
- Publication number
- CN104751961B CN104751961B CN201310754272.6A CN201310754272A CN104751961B CN 104751961 B CN104751961 B CN 104751961B CN 201310754272 A CN201310754272 A CN 201310754272A CN 104751961 B CN104751961 B CN 104751961B
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- China
- Prior art keywords
- wire
- cable
- outside
- protective case
- adhesive tape
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- 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.)
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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
- H01B9/00—Power cables
- H01B9/008—Power cables for overhead application
-
- 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
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- Ropes Or Cables (AREA)
Abstract
The present invention provides a kind of warp resistance self-supporting cable and its manufacture method, and the cable includes interior provided with cable core（11）Cable body（1）, in addition to it is fixed in the cable body（1）Outside, along the cable body（1）The steel wire rope of at least one of length direction extension（2）.In the present invention, affixed steel wire rope can play fixed protective effect well to the cable core inside cable body on the outside of cable body；Simultaneously because steel wire rope toughness is big, cable is set to be difficult to be sold off shape, and self load bearing can be played a part of to cable by steel wire rope.
Description
Technical field
The invention belongs to the technical field of electric wire, more particularly to a kind of warp resistance self-supporting cable and its manufacturer
Method.
Background technology
With power industry, the fast development of urban construction, requirement more and more higher of all trades and professions to cable.Traditional electricity
Cable is during application, and due to often can bend and distort, cable is highly susceptible to damage or damaged, and cable exists
Also fracture and destroyed situation occur during stretching, causes the reduced lifetime of cable, there is also potential safety hazard.
The content of the invention
It is easily deformed and is easily broken off and destroy in use it is an object of the invention to overcomes above-mentioned cable
Technological deficiency there is provided a kind of warp resistance and can self load bearing cable.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of warp resistance self-supporting cable, including the interior cable body provided with cable core are provided, in addition to are fixed in institute
State the steel wire rope of at least one on the outside of cable body, extending along the cable body length direction.
The radical of the steel wire rope is two, and each steel wire rope and the cable body are axially in parallel and corresponding set
Put in the both sides of the cable body.
The cable body is also coated on the first protective case on the outside of the cable core, the every steel wire rope bag
The second protective case for including wire cored wire and being coated on the outside of the wire cored wire, second protective case is partly fixed in institute
State on the outside of the first protective case.
First protective case is integrally formed with second protective case.
The wire cored wire is formed by many steel wires are mutually stranded；The steel wire is stainless steel wire or zinc-coated wire.
A diameter of 0.5mm~2.5mm of the wire cored wire, the every steel wire rope includes 5~20 steel wires.
The cable core includes electric wire cored wire, and the adhesive tape being disposed adjacent with the electric wire cored wire, the wire core
Line forms the cable core with the mutual twisting of the adhesive tape.
The every electric wire cored wire is built-in with the conductor formed by many copper free wires and the mutual bundle strand of traction-resistant fibre.
The present invention also provides a kind of manufacture method of warp resistance self-supporting cable, it is characterised in that comprise the following steps：
S1, using many copper free wires and traction-resistant fibre silk mutually bundle strand formation conductor, further by outside the conductor
Bag insulating barrier formation electric wire cored wire；
S2, many electric wire cored wires and adhesive tape twisting formed into cable core；Simultaneously by the mutual stranded shape of many steel wires
Into wire cored wire.
S3, the outside that oversheath is coated on to cable core and wire cored wire, make the wire cored wire and the cable
Cored wire is spaced from each other, and the wire cored wire and the cable core and the oversheath in each outside is collectively forming electricity respectively
Cable body and steel wire rope；The steel wire rope is fixed on the outside of the cable body and prolonged along the cable body length direction
Stretch.
The oversheath is coated on the first protective case on the outside of the cable core, and is coated on the wire-core
The second protective case on the outside of line, first protective case and second protective case are integrally formed.
Compared with prior art, the beneficial effects of the invention are as follows：, can be right by setting steel wire rope in cable body side
Cable core inside cable body plays fixed protective effect well；The toughness of steel wire rope can also be utilized simultaneously, make electricity
Cable is difficult to be sold off shape, cable can also be made to be restored automatically after distortion；Furthermore, steel wire rope is fixed with cable body
Together, then self load bearing can be played a part of to cable by steel wire rope.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the cross section structure schematic diagram of the warp resistance self-supporting cable of the present invention；
Embodiment
The shortcomings of being easily deformed and be easily broken off and destroy in use for cable in the prior art, the present invention
By in the affixed steel wire rope 2 of at least one extended along the length direction of cable body 1 in the outside of cable body 1, obtaining a kind of resistance to
Distort self-supporting cable.
In order that the purpose of the present invention, technical scheme and advantage are more clearly understood, below in conjunction with drawings and examples,
The present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used for explaining this hair
It is bright, it is not intended to limit the present invention.
It is the cross section structure schematic diagram of the warp resistance self-supporting cable of the present invention with reference to Fig. 1,
The present invention provides a kind of warp resistance self-supporting cable, including the interior cable body 1 provided with cable core 11, the resistance to torsion
Bent self-supporting cable also includes the steel of at least one being fixed in the outside of cable body 1, extending along the length direction of cable body 1
Cord 2.
By setting steel wire rope 2 in the outside of cable body 1, the cable core 11 inside cable body 1 can be played very
Good fixation protective effect；The toughness of steel wire rope 2 can also be utilized simultaneously, made cable be difficult to be sold off shape, can also be made cable
Restored automatically after distortion；Furthermore, steel wire rope 2 is fixed together with cable body 1, then can pass through steel wire rope
2 pairs of cables play a part of self load bearing.
The radical of steel wire rope 2 can have multiple, can be immediately adjacent to each other that to surround cable body 1 complete between multiple steel wire ropes 2
Portion's circumferential zones, or, the partially circumferentially region of cable body 1 is surrounded between multiple steel wire ropes 2 spaced reciprocally, preferably
, steel wire rope 2 is even spaced around the circumference of cable body 1.As the presently preferred embodiments, the radical of steel wire rope 2 is two, each
Steel wire rope 2 and cable body 1 are axially in parallel and are correspondingly arranged at the both sides of cable body 1 respectively.It can so ensure in contra
The bending resistance of upward cable body 1 and torsional strength are essentially identical, can reduce because cable both sides intensity is not reciprocity and caused by its
Phenomenon of the damaged speed in middle side far faster than other side.
The mode that steel wire rope 2 is fixed in cable body 1 is as follows：Cable body 1 is also coated on the outside of cable core 11
The first protective case 31, every steel wire rope 2 includes wire cored wire 21 and is coated on second protective case in the outside of wire cored wire 21
32, the second protective case 32 is partly fixed in the outside of the first protective case 31.
It is understood that can be by setting screens and buckle on the first protective case 31 and the second protective case 32
Mode realize both be fixedly connected, can also be by the first protective case 31 and the second protective case 32 by heating or being bonded
Mode is connected with each other.Specifically, both the first protective case 31 and the second protective case 32 are integrally formed, are collectively forming for protecting electricity
The oversheath 3 of core 11 and wire cored wire 21.Cable core 11 and wire cored wire 21 can also be realized by the oversheath 3
Interfix.The oversheath 3 is coated on the outside of wire cored wire 21 and cable core 11 by armour formula fashion of extrusion.
Oversheath 3 is modified polyvinyl chloride product, and passes through injection moulding integrated molding.The thickness range of oversheath 3 is 0.3mm
~0.8mm, it is preferred to use thickness is 0.5mm oversheath 3.
Wire cored wire 21 is by many steel wires（It is not shown）It is mutually stranded to form；Steel wire is flexible steel wire, specifically, stainless steel
Silk or zinc-coated wire.A diameter of 0.5mm~2.5mm of wire cored wire 21, every steel wire rope 2 includes 5~20 steel wires.It is preferred that
, a diameter of 1.55mm of steel wire rope 2, and every wire cored wire 21 is formed by 19 steel wires are stranded.
The concrete structure of cable core 11 is：Cable core 11 includes electric wire cored wire 111 and adjacent with electric wire cored wire 111
The adhesive tape 112 of setting, electric wire cored wire 111 forms cable core 11 with the mutual twisting of adhesive tape 112.Many electric wire cored wires 111 are circle
Shape, and diameter is roughly equal, with the common stranded above-mentioned circular cable core 11 of formation of adhesive tape 112.Electric wire cored wire in the present invention
111 radical is 6, and the radical of adhesive tape 112 is 1, and adhesive tape 112 is placed in the inside of electric wire cored wire 111, and electric wire cored wire 111 encloses
Around the circumferentially disposed of adhesive tape 112.
Above-mentioned adhesive tape 112 is used to replace part electric wire cored wire 111 to make accommodation, particularly passes through adhesive tape 112
The radical of mutual replacement adjustment electric wire cored wire 111 between electric wire cored wire 111, to adapt to the cable core 11 of different purposes.
In addition, the presence of adhesive tape 112 make it that the pliability of cable core 11 is more preferable so that the whole ductility of cable core 11
And bending resistance is further enhanced.Wherein electric wire cored wire 111 and the stranded direction of adhesive tape 112 be inwardly followed successively by by outer layer " S "-
" Z "-" S " etc. to.Pre- stranded pitch is between 60mm~100mm, pre- stranded pitch preferably is 80mm.
It is preferred that, the diameter of the diameter and electric wire cored wire 111 of adhesive tape 112 is roughly equal, can facilitate adhesive tape 112 and electricity
Adaptability replacement is mutually done between core line 111.
In order that each electric wire cored wire 111 and adhesive tape 112 interfix and not loosened, while the stranded section of cable core 11
Will not be varied widely away from, stranded external diameter etc. because of loosening, cable core 11 also include being wound on electric wire cored wire 111 and
Polyester belt or screen layer on the outside of the mutually entirety of stranded formation of adhesive tape 112.
It is preferred that, screen layer, above-mentioned shielding around the home on the outside of electric wire cored wire 111 and the entirety of the stranded formation of adhesive tape 112
Layer uses the flexible zinc-plated wrapped shielding of proof copper-wire braided or aluminium foil, and shielding density ensures more than 80%.In addition, using flexible plating
The screen layer that tin proof copper-wire braided or aluminium foil are made has good pliability so that whole cable has extremely strong bend resistance energy
Power, is influenceed so that it is guaranteed that the physically and electrically performance of whole cable is not come and gone bending motion by millions of times.
Specifically, adhesive tape 112 is polyvinyl chloride product, ethylene propylene diene rubber product or polyethylene product.
Every electric wire cored wire 111 is built-in with the conductor 113 formed by many copper free wires and the mutual bundle strand of traction-resistant fibre.
It will be twisted after copper wire and the first beam of traction-resistant fibre.Copper wire used in the present invention is soft copper wire, the filament diameter of the copper wire
Respectively less than 0.18mm, and copper wire monofilament elongation more than 30%.Because filament diameter is small, then the institute of conductor 113 of same external diameter is made
The quantity of the copper wire used much larger than the silk of used blister copper in the prior art quantity, this can effectively it is dispersed it is suffered outside
Power, then cause the ductility of electric wire cored wire 111 strong, bend resistance ability is strong.Because also including traction-resistant fibre in conductor 113, further
Improve the toughness of electric wire cored wire 111.
In order to further ensure that obtained conductor 113 has stronger intensity and bending ability, twisting pitch is when stranded
8~12 times of the external diameter of conductor 113, direction of lay using " Z " to.
The present invention also provides a kind of manufacture method of warp resistance self-supporting cable, comprises the following steps：
S1, using many copper free wires and traction-resistant fibre silk mutually bundle strand formation conductor 113, further by conductor 113
Outsourcing insulation formation electric wire cored wire 111；
Wherein, twisting pitch is 8~12 times of the external diameter of conductor 113 when the copper free wire is stranded, and direction of lay uses " Z "
To；
S2, many electric wire cored wires 111 and the twisting of adhesive tape 112 formed into cable core 11；Many steel wires are twisted mutually simultaneously
Conjunction forms wire cored wire 21；
Wherein, wherein electric wire cored wire 111 is inwardly followed successively by " S "-" Z "-" S " ... by outer layer with the stranded direction of adhesive tape 112
To pre- stranded pitch is between 60mm~100mm；
S3, the outside that oversheath 3 is coated on to cable core 11 and wire cored wire 21, make wire cored wire 21 and cable core
Line 11 is spaced from each other, and wire cored wire 21 and cable core 11 and the part of oversheath 3 in respective outside is collectively forming respectively
Cable body 1 and steel wire rope 2；Steel wire rope 2 is fixed in the outside of cable body 1 and extended along the length direction of cable body 1；
Wherein, the radical of steel wire rope 2 is two, and two steel wire ropes 2 and cable body 1 are axially in parallel and are respectively arranged at
The opposite sides of cable body 1.
Specifically, oversheath 3 is coated on first protective case 31 in the outside of cable core 11, and it is coated on wire-core
Second protective case 32 in the outside of line 21, the first protective case 31 and the second protective case 32 are integrally formed.
In summary, can be to the cable core inside cable body 1 by setting steel wire rope 2 sideways in cable body 1
11 play fixed protective effect well；The toughness of steel wire rope 2 can also be utilized simultaneously, made cable be difficult to be sold off shape, also may be used
So that cable is restored automatically after distortion；Furthermore, steel wire rope 2 is fixed together with cable body 1, then can lead to
Cross steel wire rope 2 and self load bearing is played a part of to cable.
Although the present invention is illustrated by specific embodiment, it will be appreciated by those skilled in the art that, do not departing from
In the case of the scope of the invention, various conversion and equivalent substitute can also be carried out to the present invention.In addition, for particular condition or material
Material, can make various modifications, without departing from the scope of the present invention to the present invention.Therefore, the present invention is not limited to disclosed tool
Body embodiment, and whole embodiments for falling within the scope of the appended claims should be included.
Claims (1)
1. a kind of warp resistance self-supporting cable, including the interior cable body (1) provided with cable core (11), it is characterised in that also
Including being fixed in steel wire rope (2) on the outside of the cable body (1), extending along the cable body (1) length direction；It is described
The radical of steel wire rope (2) is two, and each steel wire rope (2) and the cable body (1) are axially in parallel and corresponding respectively set
Put the both sides in the cable body (1)；The cable body (1) is also coated on the outside of the cable core (11)
One protective case (31), the every steel wire rope (2) includes wire cored wire (21) and is coated on the outside of the wire cored wire (21)
The second protective case (32), first protective case (31) and the second protective case (32) are in the way of setting screens and buckle
Realize both be fixedly connected, or first protective case (31) and the second protective case (32) phase in the way of heating or be bonded
Connect；First protective case (31) and the second protective case (32) are collectively forming oversheath (3)；The oversheath (3) is led to
Cross the outside that armour formula fashion of extrusion is coated on wire cored wire (21) and cable core (11)；The oversheath (3) is modification
Polyvinyl chloride product, its thickness range is 0.3mm~0.8mm；The wire cored wire (21) is formed by many steel wires are mutually stranded,
A diameter of 0.5mm~2.5mm；The steel wire is stainless steel wire or zinc-coated wire；The cable core (11) includes wire core
Line (111) and adhesive tape (112), the adhesive tape (112) are placed in the inside of the electric wire cored wire (111), the electric wire cored wire
(111) circumferentially disposed around the adhesive tape (112), the electric wire cored wire (111) forms institute with the adhesive tape (112) mutually twisting
State cable core (11), and electric wire cored wire (111) and the stranded direction of adhesive tape (112) be inwardly followed successively by by outer layer " S "-" Z "-
" S " ... is to pre- stranded pitch is 60mm~100mm；The cable core (11) also include be wound on electric wire cored wire (111) with
And polyester belt or screen layer on the outside of adhesive tape (112) the mutually entirety of stranded formation；The screen layer is using flexible TC
Silk weaves or the wrapped shielding of aluminium foil, and shielding density ensures more than 80%；The adhesive tape (112) is polyvinyl chloride product, three
First EP rubbers product or polyethylene product；The every electric wire cored wire (111) is built-in with by many copper free wires and tension
The conductor (113) of the mutual bundle strand formation of fiber, twisting pitch is 8~12 times of conductor (113) external diameter when stranded, and direction of lay is adopted
With " Z " to；The copper free wire is soft copper wire, and its filament diameter is respectively less than 0.18mm, and monofilament elongation is more than 30%；
The manufacture method of the warp resistance self-supporting cable comprises the following steps：
S1, using many copper free wires and traction-resistant fibre silk mutually bundle strand formation conductor (113), by the conductor (113) outside
Bag insulating barrier formation electric wire cored wire (111), wherein, twisting pitch is the 8~12 of conductor (113) external diameter when the copper free wire is stranded
Times, direction of lay using " Z " to；
S2, many electric wire cored wires (111) and adhesive tape (112) twisting formed into cable core (11)；Simultaneously by many steel wires
Stranded mutually to form wire cored wire (21), wherein electric wire cored wire (111) and the stranded direction of adhesive tape (112) is inside successively by outer layer
Be " S "-" Z "-" S " ... to, pre- stranded pitch be 60mm~100mm；
S3, the outside that oversheath (3) is coated on to the cable core (11) and the wire cored wire (21), make the steel wire
Cored wire (21) is spaced from each other with the cable core (11), and make the wire cored wire (21) with the wire cored wire (21) outside
The second protective case (32) of the oversheath (3) of side is collectively forming steel wire rope (2), and make the cable core (11) with
The first protective case (31) of the oversheath (3) on the outside of the cable core (11) is collectively forming cable body (1)；The steel
Cord (2) is fixed on the outside of the cable body (1) and extended along the cable body (1) length direction.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754272.6A CN104751961B (en) | 2013-12-31 | 2013-12-31 | A kind of warp resistance self-supporting cable and its manufacture method |
| PCT/CN2014/070311 WO2015100760A1 (en) | 2013-12-31 | 2014-01-08 | Twisting-resistant self-supporting cable and manufacturing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754272.6A CN104751961B (en) | 2013-12-31 | 2013-12-31 | A kind of warp resistance self-supporting cable and its manufacture method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104751961A CN104751961A (en) | 2015-07-01 |
| CN104751961B true CN104751961B (en) | 2017-09-12 |
Family
ID=53493058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310754272.6A Active CN104751961B (en) | 2013-12-31 | 2013-12-31 | A kind of warp resistance self-supporting cable and its manufacture method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104751961B (en) |
| WO (1) | WO2015100760A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761793A (en) * | 2016-05-08 | 2016-07-13 | 拓柔电缆(上海)有限公司 | Drag-resisting drum cable of downhole electric trackless equipment |
| CN110942844A (en) * | 2018-09-25 | 2020-03-31 | 深圳市冠平电子有限公司 | Wire rod and processing technology thereof |
| CN110281791B (en) * | 2019-05-14 | 2023-11-10 | 扬州秦恺信息科技有限公司 | High-performance special charging cable for new energy automobile |
| CN110752053A (en) * | 2019-11-06 | 2020-02-04 | 广东民赞实业有限公司 | Intelligent device towline data network cable |
| JP6725093B1 (en) * | 2019-12-06 | 2020-07-15 | 住友電気工業株式会社 | Multi-core cable |
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2014
- 2014-01-08 WO PCT/CN2014/070311 patent/WO2015100760A1/en active Application Filing
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|---|---|---|---|---|
| CN201681645U (en) * | 2010-03-19 | 2010-12-22 | 上海浦东电线电缆(集团)有限公司 | Self supporting type multi-core elevator cable with wear-resistance protective sleeve |
| CN201994122U (en) * | 2010-12-09 | 2011-09-28 | 安徽安邦控制系统有限公司 | Self-supporting steel electric cable |
| CN201918197U (en) * | 2010-12-29 | 2011-08-03 | 江苏远洋东泽电缆股份有限公司 | High-strength flexible cable for electric hoist of crane |
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| CN203026211U (en) * | 2012-12-27 | 2013-06-26 | 上海茂生电线电缆有限公司 | Towline cable |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015100760A1 (en) | 2015-07-09 |
| CN104751961A (en) | 2015-07-01 |
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