CN208673756U - A kind of bending-resistant flexible power cable - Google Patents
A kind of bending-resistant flexible power cable Download PDFInfo
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- CN208673756U CN208673756U CN201821361382.0U CN201821361382U CN208673756U CN 208673756 U CN208673756 U CN 208673756U CN 201821361382 U CN201821361382 U CN 201821361382U CN 208673756 U CN208673756 U CN 208673756U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The utility model discloses a kind of bending-resistant flexible power cables, including cable core, filled layer and the braided steel wire shielded layer being successively coated on outside cable core, polyester belting layer, glass fabric and crosslinked polyethylene sheath, cable core includes core and flexible core, core is mutually twisted centered on surrounding flexible core, core includes conductor, conductor shield and silicone rubber insulation layer, anti oxidation layer is additionally provided with outside conductor, the first filled layer is equipped between anti oxidation layer and conductor shield, silicone rubber insulation layer is coated on outside conductor shield, wire spring set is additionally provided between cable core and braided steel wire shielded layer, the second filled layer is equipped between wire spring set and cable core, elastic rubber stick is also embedded between second filled layer.The utility model has many advantages, such as that resistant to bending, flexibility is high, pull resistance is strong, anti-oxidant, long service life compared with prior art.
Description
Technical field
The utility model relates to power cable field more particularly to a kind of bending-resistant flexible power cables.
Background technique
Power cable is the cable for being used for transmission and distributing electric energy, and power cable is usually used in Urban Underground power grid, power station
Lead line, industrial and mining enterprises' in-line power and mistake river sea submarine transmission line.In power circuit, cable proportion just gradually increases
Add.Power cable is in the basic routing line of electric system to the cable product for transmitting and distributing high-power power, including 1-
The various voltage class of 500KV and 500KV or more.The particular surroundings of power cable application is to the performance of cable and resistant to bending
Property has very high requirement.Traditional power cable waterproof, fire prevention, high temperature resistant and in terms of all done very big change
Into, also achieve significant effect, but traditional power cable it is resistant to bending performance it is not high, resilience performance is poor, is producing
During, the power cable completed the process needs to be wrapped on cable disk, and in this way in laying, power cable can generate curved
Bent radian, it is difficult to it is straightened, is straightened power cable is be easy to cause to be broken by force, meanwhile, traditional power cable bending radius is larger,
The difficulty for increasing laying is understood often frequently move power cable, stretch, reverse etc. and be moved during laying
Phenomena such as work, traditional power cable can occur biggish deformation after prolonged stretching and torsion, cause distortion, be broken
Generation, pull resistance is poor.Since between several conductors, there are gaps between conductor and insulating layer, in the life of power cable
It produces in use process, the air with oxygen can enter in gap, and during prolonged use, oxygen can be to conductor
Certain oxidation is caused in part, influences the performance of cable transmission electricity.Against the above technical problems, the utility model discloses one kind
Bending-resistant flexible power cable, the utility model have that resistant to bending, flexibility is high, pull resistance is strong, anti-oxidant, long service life etc.
Advantage.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of bending-resistant flexible power cable,
Weak to solve power cable bending resistance in the prior art, power cable hardness is high, and power cable flexibility and pull resistance are poor, electricity
Power cable service life is low, the technical problems such as easy oxidation by air of the conductor in power cable.The utility model have it is resistant to bending,
The features such as flexibility is high, pull resistance is strong, anti-oxidant, long service life.
The utility model is achieved through the following technical solutions: the utility model discloses a kind of bending-resistant flexible electric power electricity
Cable, including cable core, filled layer and successively be coated on braided steel wire shielded layer outside cable core, polyester belting layer, glass fabric and
Crosslinked polyethylene sheath, cable core include core and flexible core, and core is mutually twisted centered on surrounding flexible core, and core includes leading
Body, conductor shield, silicone rubber insulation layer, conductor are also wrapped on anti oxidation layer outside, set between anti oxidation layer and conductor shield
There is the first filled layer, silicone rubber insulation layer is coated on outside conductor shield, is additionally provided with steel between cable core and braided steel wire shielded layer
Silk spring pocket is equipped with the second filled layer, is also embedded with elastic rubber stick between the second filled layer between wire spring set and cable core.
Further, in order to increase the resistant to bending and pull resistance of power cable, flexible core uses TPE material or PEEK material
Material is made, and the number of elastic rubber stick is set as 4, and conductor uses aluminium alloy conductor, and the flexibility of aluminium alloy conductor is good, has
There is the features such as excellent bending property, tensile property, creep-resistant property, bending radius reduce, so that power cable is resistant to bending
Property and pull resistance are obviously improved.
Further, for the surface area of the increase cable under same cross-sectional area, reduce the equivalent resistance under alternating current,
It allows also for power cable and needed curved, appropriateness bending during laying, if power cable uses single conductor,
The bending radius of cable is larger, is unfavorable for installing, and the number of core is designed as 4, and 4 cores are respectively by being no less than one aluminium
Alloy conductor is mutually hinged to form.
Further, in order to increase the stability of electric-cable core, core and the flexible core and the wire spring
Set is in close contact.
Further, anti-oxidant in order to increase the inoxidizability of conductor and the compactness of anti oxidation layer and conductor bonding
Layer is the phosphate film that conductor is formed by phosphorating treatment.
Further, in order to fill the gap in electric-cable core between conductor, between cable core and wire spring circle
The stability of the cable core of power cable is improved in gap, improves the service life of power cable, and also to reduce power cable
Cost of manufacture, the first filled layer and the second filled layer are all made of PP rope, the rope made of hemp, any in three kinds of materials of glass cord
Or two or more combination fillings.
The utility model has the advantage that 1) the utility model is resistant to bending.2) the utility model flexibility is high.3) this reality
It is strong with Novel tensile.4) the utility model inoxidizability is strong.5) the utility model long service life.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model cable core structure schematic diagram；
Fig. 3 is the utility model core structure schematic diagram.
Specific embodiment
It elaborates below to the embodiments of the present invention, the present embodiment before being with technical solutions of the utility model
It puts and is implemented, the detailed implementation method and specific operation process are given, but the protection scope of the utility model is unlimited
In following embodiments.
Embodiment 1
Embodiment 1 discloses a kind of bending-resistant flexible power cable, as shown in Figure 1, including cable core 1, filled layer 2 and successively
Braided steel wire shielded layer 3, polyester belting layer 4, glass fabric 5 and the crosslinked polyethylene sheath 6 being coated on outside cable core 1；Such as Fig. 2
Shown, cable core 1 includes core 7 and flexible core 8, and core 7 is mutually twisted centered on surrounding flexible core 8；As shown in figure 3, core 7 wraps
Include conductor 9, conductor shield 10 and silicone rubber insulation layer 11, be also wrapped on anti oxidation layer 12 outside conductor 9, anti oxidation layer 12 with lead
The first filled layer 2.1 is equipped between body shielded layer 10, silicone rubber insulation layer 11 is coated on outside conductor shield 10；As shown in Figure 1,
It is additionally provided with wire spring set 14 between cable core 1 and braided steel wire shielded layer 3, is equipped with second between wire spring set 14 and cable core 1
Filled layer 2.2 is also embedded with elastic rubber stick 13 in second filled layer 2.2, and the number of core 7 is four, core 7 and flexible core 8
It is in close contact with wire spring set 14, the number of elastic rubber stick 13 is 4, and anti oxidation layer 12 is that conductor passes through phosphorating treatment
The phosphate film of formation, conductor 9 are aluminium alloy conductor.In the present embodiment, flexible core 8 is made of TPE material, the first filling
Layer 2.1 and the second filled layer 2.2 are all made of PP rope filling.Traditional power cable number resistant to bending is at 500-800 ten thousand times, this reality
It applies in example, spring pocket, flexible core and elastic rubber stick, the flexibility and bending resistance of power cable is devised in power cable
It can be obviously improved, be measured through test, the number resistant to bending of the power cable in the present embodiment is at 900-1200 ten thousand times.
Embodiment 2
Embodiment 2 discloses a kind of bending-resistant flexible power cable, including cable core 1, filled layer 2 and is successively coated on cable core
Braided steel wire shielded layer 3, polyester belting layer 4, glass fabric 5 and crosslinked polyethylene sheath 6 outside 1, cable core 1 include core 7
With flexible core 8, core 7 is mutually twisted centered on surrounding flexible core 8, and core 7 includes conductor 9, conductor shield 10 and silicon rubber
Insulating layer 11, conductor 9 are also wrapped on anti oxidation layer 12 outside, and the first filled layer is equipped between anti oxidation layer 12 and conductor shield 10
2.1, silicone rubber insulation layer 11 is coated on outside conductor shield 10, and steel wire bullet is additionally provided between cable core 1 and braided steel wire shielded layer 3
Spring set 14 is equipped with the second filled layer 2.2, is also embedded with elastic rubber in the second filled layer 2.2 between wire spring set 14 and cable core 1
Stick 13, the number of core 7 are four, and core 7 is in close contact with flexible core 8 and wire spring set 14, elastic rubber stick 13
Number is 4, and anti oxidation layer 12 is the phosphate film that conductor passes through that phosphorating treatment is formed, and conductor 9 is aluminium alloy conductor.This reality
It applies in example, flexible core 8 is made of PEEK material, and the first filled layer 2.1 and the second filled layer 2.2 are all made of rope made of hemp filling.It passes
The power cable of system number resistant to bending is at 500-800 ten thousand times, and in the present embodiment, spring pocket, elasticity are devised in power cable
Core and elastic rubber stick, the flexibility and bending resistance of power cable can be obviously improved, and be measured through test, this implementation
The number resistant to bending of power cable in example is at 900-1200 ten thousand times.
Embodiment 3
Embodiment 3 discloses a kind of bending-resistant flexible power cable, including cable core 1, filled layer 2 and is successively coated on cable core
Braided steel wire shielded layer 3, polyester belting layer 4, glass fabric 5 and crosslinked polyethylene sheath 6 outside 1, cable core 1 include core 7
With flexible core 8, core 7 is mutually twisted centered on surrounding flexible core 8, and core 7 includes conductor 9, conductor shield 10 and silicon rubber
Insulating layer 11, conductor 9 are also wrapped on anti oxidation layer 12 outside, and the first filled layer is equipped between anti oxidation layer 12 and conductor shield 10
2.1, silicone rubber insulation layer 11 is coated on outside conductor shield 10, and steel wire bullet is additionally provided between cable core 1 and braided steel wire shielded layer 3
Spring set 14 is equipped with the second filled layer 2.2, is also embedded with elastic rubber in the second filled layer 2.2 between wire spring set 14 and cable core 1
Stick 13, the number of core 7 are four, and core 7 is in close contact with flexible core 8 and wire spring set 14, elastic rubber stick 13
Number is 4, and anti oxidation layer 12 is the phosphate film that conductor passes through that phosphorating treatment is formed, and conductor 9 is aluminium alloy conductor.This reality
It applies in example, flexible core 8 is made of PEEK material, and the first filled layer 2.1 and the second filled layer 2.2 are all made of glass cord and fill out
It fills.Traditional power cable number resistant to bending is at 500-800 ten thousand times, in the present embodiment, devised in power cable spring pocket,
Flexible core and elastic rubber stick, the flexibility and bending resistance of power cable can be obviously improved, and be measured through test, this
The number resistant to bending of power cable in embodiment is at 900-1200 ten thousand times.
Embodiment 4
Embodiment 4 discloses a kind of bending-resistant flexible power cable, including cable core 1, filled layer 2 and is successively coated on cable core
Braided steel wire shielded layer 3, polyester belting layer 4, glass fabric 5 and crosslinked polyethylene sheath 6 outside 1, cable core 1 include core 7
With flexible core 8, core 7 is mutually twisted centered on surrounding flexible core 8, and core 7 includes conductor 9, conductor shield 10 and silicon rubber
Insulating layer 11, conductor 9 are also wrapped on anti oxidation layer 12 outside, and the first filled layer is equipped between anti oxidation layer 12 and conductor shield 10
2.1, silicone rubber insulation layer 11 is coated on outside conductor shield 10, and steel wire bullet is additionally provided between cable core 1 and braided steel wire shielded layer 3
Spring set 14 is equipped with the second filled layer 2.2, is also embedded with elastic rubber in the second filled layer 2.2 between wire spring set 14 and cable core 1
Stick 13, the number of core 7 are four, and core 7 is in close contact with flexible core 8 and wire spring set 14, elastic rubber stick 13
Number is 4, and anti oxidation layer 12 is the phosphate film that conductor passes through that phosphorating treatment is formed, and conductor 9 is aluminium alloy conductor.This reality
It applies in example, flexible core 8 is made of TPE material, and the first filled layer 2.1 uses glass using PP rope filling, the second filled layer 2.2
Cordage filling.Traditional power cable number resistant to bending in the present embodiment, is designed at 500-800 ten thousand times in power cable
Spring pocket, flexible core and elastic rubber stick, the flexibility and bending resistance of power cable can be obviously improved, through trying
Test obtains, and the number resistant to bending of the power cable in the present embodiment is at 900-1200 ten thousand times.
Claims (8)
1. a kind of bending-resistant flexible power cable, including cable core, filled layer and successively it is coated on braided steel wire shielding outside cable core
Layer, polyester belting layer, glass fabric and crosslinked polyethylene sheath, which is characterized in that the cable core includes core and flexible core,
The core is mutually twisted centered on surrounding the flexible core, and the core includes conductor, conductor shielding layer and silicon rubber insulation
Layer, the conductor are also wrapped on anti oxidation layer outside, and the first filled layer is equipped between the anti oxidation layer and the conductor shield,
The silicone rubber insulation layer is coated on outside the conductor shield, is additionally provided between the cable core and the braided steel wire shielded layer
Wire spring set, the wire spring is covered is equipped with the second filled layer between the cable core, also embedding between second filled layer
Flexible rubber bar.
2. bending-resistant flexible power cable as described in claim 1, which is characterized in that the flexible core uses TPE material system
At.
3. bending-resistant flexible power cable as described in claim 1, which is characterized in that the flexible core uses PEEK material system
At.
4. bending-resistant flexible power cable as described in claim 1, which is characterized in that the number of the core is four, institute
Core is stated to be in close contact with the flexible core and wire spring set.
5. bending-resistant flexible power cable as described in claim 1, which is characterized in that the number of the elastic rubber stick is 4
It is a.
6. bending-resistant flexible power cable as described in claim 1, which is characterized in that the anti oxidation layer is that phosphate is thin
Film.
7. bending-resistant flexible power cable as described in claim 1, which is characterized in that the conductor is aluminium alloy conductor.
8. bending-resistant flexible power cable as described in claim 1, which is characterized in that first filled layer and described second
Filled layer is all made of PP rope, the rope made of hemp, any or two or more combination fillings in three kinds of materials of glass cord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821361382.0U CN208673756U (en) | 2018-08-23 | 2018-08-23 | A kind of bending-resistant flexible power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821361382.0U CN208673756U (en) | 2018-08-23 | 2018-08-23 | A kind of bending-resistant flexible power cable |
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| Publication Number | Publication Date |
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| CN208673756U true CN208673756U (en) | 2019-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821361382.0U Active CN208673756U (en) | 2018-08-23 | 2018-08-23 | A kind of bending-resistant flexible power cable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979650A (en) * | 2019-04-11 | 2019-07-05 | 安徽天康(集团)股份有限公司 | A kind of flexibility wrinkle copper sheath fireproof power cable |
| CN110033074A (en) * | 2019-04-22 | 2019-07-19 | 天津轻工职业技术学院 | RFID label tag for asset management |
| CN112420256A (en) * | 2020-11-10 | 2021-02-26 | 江苏鑫尚新材料科技有限公司 | Multifunctional photovoltaic cable |
-
2018
- 2018-08-23 CN CN201821361382.0U patent/CN208673756U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979650A (en) * | 2019-04-11 | 2019-07-05 | 安徽天康(集团)股份有限公司 | A kind of flexibility wrinkle copper sheath fireproof power cable |
| CN110033074A (en) * | 2019-04-22 | 2019-07-19 | 天津轻工职业技术学院 | RFID label tag for asset management |
| CN112420256A (en) * | 2020-11-10 | 2021-02-26 | 江苏鑫尚新材料科技有限公司 | Multifunctional photovoltaic cable |
| CN112420256B (en) * | 2020-11-10 | 2022-06-28 | 江苏鑫尚新材料科技有限公司 | Multifunctional photovoltaic cable |
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