CN209657861U - A kind of cable that compressive property is good - Google Patents
A kind of cable that compressive property is good Download PDFInfo
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- CN209657861U CN209657861U CN201920770996.2U CN201920770996U CN209657861U CN 209657861 U CN209657861 U CN 209657861U CN 201920770996 U CN201920770996 U CN 201920770996U CN 209657861 U CN209657861 U CN 209657861U
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Abstract
The utility model discloses a kind of good cables of compressive property, belong to field of cable technology, the cable includes circular framework and the core that is arranged in circular framework, and it is coated on the protective layer on the outside of circular framework, the core is formed by stranded conductor is twisted, the protective layer successively includes resilient support layer from the inside to the outside, braiding layer, support frame, protective case, multiple S type elastic supports are provided in the resilient support layer, multiple S type elastic supports are evenly distributed in circular framework outer circumferential walls, the braiding layer is wrapped on the outside of S type elastic support, support frame as described above is arranged in outside of braided layer, filler is filled between support frame as described above and braiding layer, the protection is set on the outside of support frame, the bending resistance and anti-pressure ability of cable can be improved, axial direction to reduce cable folding or be born when rolling Or radial direction pulls power, and then reduces the case where being broken off.
Description
Technical field
The utility model relates to the good cables of field of cable technology more particularly to a kind of compressive property.
Background technique
With the development of information technology, improvement of living standard, demand of the people to electric power is increasing, densely populated
With the dense area of power grid and congested in traffic busy place, not only space occupied is big, dirty vulnerable to ambient enviroment for the excessive laying of overhead line
Dye influences, and the stability of power transmission is also poor, therefore the laying of cable starts to highlight effect, and cable can be divided into, according to use, electric power electricity
Cable, communication cable and control cable etc., compared to traditional overhead line, insulation distance is small between the line of cable, underground laying without
The space on ground or more is occupied, power transmission is reliable, small to personal safety and ambient enviroment interference.But cable is either transporting
Or during arranging, different degrees of bending can occur, the protective layer of existing cable is easy old after frequent bending
Change, or even fracture, it is exposed to will lead to internal core wire in this way, and after core wire is exposed, some potential safety problems can be generated；And it is right
In some environment without setting up cable, such as the building site of hot work in progress, cable are easy to be broken by vehicular traffic, analyze it and roll
Off line reason is cable under high pressure effect, and cable core sheath is pressed on cable core, so that sheath and cable core is generated biggish friction, then
Sheath axially or radially deforms under pressure, to cable core generate axially or radially pull power, cause cable core to be dragged disconnected.Together
When, the reason of some cable is broken is that the sharp objects such as stone are arranged at cable lower part, and when automobile rolled, stone is pierced into electricity
Cable causes cable to be broken.So being directed to above situation, it is desirable that cable has certain compressive property, while moderately bending not
Internal structure is damaged, promotes the application surface of cable more extensive.
Summary of the invention
In view of this, the cable good the purpose of the utility model is to provide a kind of compressive property, which has stronger
Bending resistance and anti-pressure ability to reduce cable folding or that bears when rolling axially or radially pulls power, and then subtract
The case where being broken off less.
The utility model solves above-mentioned technical problem by following technological means:
A kind of cable that compressive property is good, the cable include circular framework and the core that is arranged in circular framework, with
And it is coated on the protective layer on the outside of circular framework, the protective layer successively includes resilient support layer, braiding layer, support from the inside to the outside
Frame, protective case are provided with multiple S type elastic supports in the resilient support layer, and multiple S type elastic supports are evenly distributed on
In circular framework outer circumferential walls, the braiding layer is wrapped on the outside of S type elastic support, and support frame as described above is arranged outside braiding layer
Side, is filled with filler between support frame as described above and braiding layer, the protection is set on the outside of support frame.
Further, two chambers are divided into the circular framework, for wearing core, the core is twisted by stranded conductor
It closes and is formed.Core, which is divided into two groups, to be interfered to avoid the winding between core, and facilitates wearing and overhauling for core.
Further, the supporting pad being fixedly connected with circular framework is installed between the adjacent two S type elastic supports.
Further, bumper post, the bumper post and S type elasticity branch are installed between the supporting pad and S type elastic support
There is gap between frame.It can be transmitted by the downward curved segment of inflection point when S type elastic support upper curved section stress, the bending of S type elastic support,
Because being equipped with bumper post in lower horizontal section so when lower horizontal section deformation can squeeze bumper post, bumper post deformation squeezes supporting pad, in turn
Power is dispersed, avoids for power being concentrated to certain point or a certain concentrated area, cable is caused to rupture and then is fractureed.
Further, the buffering column length is equal with S type elastic support axial length.
Further, support frame as described above includes that circumferential bracket and the multiple radial directions equidistantly distributed on the inside of circumferential bracket are propped up
Frame, the circumferential direction rack outer surface have equidistantly distributed raised line, and the raised line and circumferential bracket are integrally formed.Circumferential bracket and diameter
Bearing capacity can be improved to bracket intersection, prevent distortion of the cable, improve bend resistance ability, and the raised line on circumferential bracket can be with
Increasing friction force, support frame sliding opposite with protective case when preventing cable from being squeezed by external force form radial shape and sell of one's property raw radial direction
Power is pullled to fracture cable.
Further, there are gaps between the supporting pad upper surface and braiding layer.Supporting pad upper surface is at horizontal, with volume
It is had the gap between tissue layer, when cable is by biggish external force, S type elastic support deformation is bent downwardly until upper surface and support
Row is leveled up, contacts, plays a supporting role with supporting pad on the inside of braiding layer at this time, prevents cable from causing to poke because of the extruding of sharp substance
Cable, and it is in curved surface to be connected on the inside of supporting pad with circular framework, power can be dispersed to all directions, prevent cable from rupturing,
Improve the anti-pressure ability of cable.
A kind of good cable of compressive property provided by the utility model, core is divided into two groups can be to avoid between core
Winding interference, and facilitate wearing and overhauling for core；The supporting pad and S type elastic support being fixedly mounted on the outside of circular framework rise
To the effect for buffering and dispersing stress, prevents from causing cable to wear out when sharp object extruded cable, avoid leakage risk, while S type
Elastic support is spaced apart, and alleviates cable weight；Gap between bumper post and S type elastic support can make S type elasticity branch
Frame bears bigger pressure, and S type elastic support ability is contacted with bumper post after deformation to a certain extent, prevents the resistance mistake being subject to
It causes greatly axially to pull power, and then makes cable breakdown；Braiding layer can play the role of protecting cable core, can also improve electricity
Anti-torsion, the resistance to bend(ing) energy of cable；Filler can prevent support frame sliding opposite with braiding layer from generating electrostatic, cause danger；
Raised line on circumferential bracket can be with increasing friction force, support frame sliding opposite with protective case when preventing cable from being squeezed by external force,
It forms radial shape and sells of one's property raw radial power of pullling and fracture cable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model cable；
Wherein, circular framework 1, core 2, S type elastic support 3, supporting pad 4, bumper post 5, filler 6, circumferential bracket 7,
Radial struts 71, protective case 8, braiding layer 9.
Specific embodiment
The utility model is described in detail below with reference to specific embodiments and the drawings 1:
As shown in Figure 1, the cable that a kind of compressive property of the present embodiment is good, including circular framework 1 and setting are in round bone
Core 2 in frame 1, and it is coated on the protective layer in 1 outside of circular framework, two chambers are divided into circular framework 1, for wearing
If core 2, core 2 is formed by stranded conductor is twisted, and core 2, which is divided into two groups, to be interfered to avoid the winding between core 2,
And facilitating wearing and overhauling for core, protective layer successively includes resilient support layer, braiding layer 9, support frame, protective case from the inside to the outside
8, it flexibly supports in layer and is provided with multiple S type elastic supports 3, multiple S type elastic supports 3 are evenly distributed on 1 circumference of circular framework
On outer wall, the supporting pad 4 being fixedly connected with circular framework 1, supporting pad 4 and S are installed between two neighboring S type elastic support 3
Bumper post 5 is installed, 5 length of bumper post is equal with S type 3 axial lengths of elastic support, and bumper post 5 between type elastic support 3
There are gaps between S type elastic support 3.Braiding layer 9 is wrapped in 3 outside of S type elastic support, and support frame is arranged in braiding layer 9
, there is gap in outside between 4 upper surface of supporting pad and braiding layer 9, support frame includes circumferential bracket 7 and equidistantly distributes in circumferential direction branch
Multiple radial struts 71 of 7 inside of frame, circumferential 7 outer surface of bracket have equidistantly distributed raised line, raised line, circumferential bracket 7, radial branch
71 integrated injection molding of frame, is filled with filler 6 between circumferential bracket 7 and braiding layer 9, protective case 8 is arranged on the outside of support frame.
Wherein, support frame, bumper post 5, S type elastic support 3 can be formed by flexiplast or rubber injection mold, the present embodiment
Preferred rubber, because caoutchouc elasticity is big, the ability for restoring deformation is strong, good insulating.
Filler 6 can be flexiplast, anti-guncotton, rock wool fibers, glass fibre, PE rope, PVC item, cotton thread, polyester thread
Equal common cables filler 6 can also be cable filling glue.
The knitted material of braiding layer 9 can choose metal or nonmetallic materials, such as copper, steel wire, polyvinyl chloride, poly- second
Alkene, glass fibre etc..
When cable is squeezed or is bent, the extruding force of generation from protective case 8 to cable inside transmit, extruding force transmitting
To support frame, the raised line on the circumferential bracket 7 of support frame can prevent from producing relative sliding inside cable with protective case 8, prevent
The radial direction of generation pulls power and fractures or tear cable, and radial struts 71 are squeezed, deformation occurs after power, but due to radial branch
Frame 71 can hinder the generation of deformation, so the extruding force transmitted at this time has been supported frame dispersion a part, inside cable
The extruding force being subject to weakens.Extruding force is transferred to braiding layer 9 through support frame, then is transferred to S type elastic support 3, S by braiding layer 9
3 upper curved section of type elastic support be squeezed power when can be transmitted by the downward curved segment of inflection point, S type elastic support 3 is bent at this time, because under
Bumper post 5 is installed so when lower horizontal section deformation can squeeze bumper post 5 in curved segment, 5 deformation of bumper post squeezes supporting pad 4, in turn
Extruding force is dispersed, at this point, the resistance that extruding force is generated by S type elastic support 3, bumper post 5, supporting pad 4, extruding force transmitting
Influence after to circular framework 1 to circular framework 1 and core 2 has weakened significantly, is concentrated to extruding force to prevent
Certain point or a certain concentrated area cause cable to rupture or expose and then cause to fracture.
Above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although referring to preferred embodiment pair
The utility model is described in detail, those skilled in the art should understand that, it can be to the technology of the utility model
Scheme is modified or replaced equivalently, and without departing from the objective and range of technical solutions of the utility model, should all be covered
In the scope of the claims of the utility model.Technology that the utility model is not described in detail, shape, construction portion are known
Technology.
Claims (7)
1. a kind of good cable of compressive property, which is characterized in that the cable includes circular framework and is arranged in circular framework
Core, and be coated on the protective layer on the outside of circular framework, the protective layer successively includes from the inside to the outside resilient support layer, compiles
Tissue layer, support frame, protective case are provided with multiple S type elastic supports, multiple S type elastic supports in the resilient support layer
It is evenly distributed in circular framework outer circumferential walls, the braiding layer is wrapped on the outside of S type elastic support, and support frame as described above setting exists
Outside of braided layer, is filled with filler between support frame as described above and braiding layer, the protection is set on the outside of support frame.
2. a kind of good cable of compressive property according to claim 1, which is characterized in that be divided into the circular framework
Two chambers, for wearing core, the core is formed by stranded conductor is twisted.
3. a kind of good cable of compressive property according to claim 2, which is characterized in that the S type bullet of adjacent two
The supporting pad being fixedly connected with circular framework is installed between property bracket.
4. a kind of good cable of compressive property according to claim 3, which is characterized in that the supporting pad and S type elasticity
Bumper post is installed between bracket, has gap between the bumper post and S type elastic support.
5. a kind of good cable of compressive property according to claim 4, which is characterized in that the buffering column length and S type
Elastic support axial length is equal.
6. a kind of good cable of compressive property according to claim 5, which is characterized in that support frame as described above includes circumferential branch
Frame has equidistantly distributed convex with multiple radial struts on the inside of circumferential bracket, the circumferential direction rack outer surface is equidistantly distributed
Item, the raised line and circumferential bracket are integrally formed.
7. a kind of good cable of compressive property according to claim 6, which is characterized in that the supporting pad upper surface and volume
There are gaps between tissue layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920770996.2U CN209657861U (en) | 2019-05-27 | 2019-05-27 | A kind of cable that compressive property is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920770996.2U CN209657861U (en) | 2019-05-27 | 2019-05-27 | A kind of cable that compressive property is good |
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| Publication Number | Publication Date |
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| CN209657861U true CN209657861U (en) | 2019-11-19 |
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| CN201920770996.2U Active CN209657861U (en) | 2019-05-27 | 2019-05-27 | A kind of cable that compressive property is good |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110060804A (en) * | 2019-05-27 | 2019-07-26 | 浙江中大元通特种电缆有限公司 | A kind of cable that compressive property is good |
| CN111276286A (en) * | 2020-01-20 | 2020-06-12 | 浙江元通线缆制造有限公司 | Anti-compression anti-static coal mine cable |
| CN114496362A (en) * | 2021-12-29 | 2022-05-13 | 杭州惠尔线缆有限公司 | Security protection cable |
| CN117192713A (en) * | 2023-11-08 | 2023-12-08 | 江苏中天科技股份有限公司 | Underwater optical cable |
-
2019
- 2019-05-27 CN CN201920770996.2U patent/CN209657861U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110060804A (en) * | 2019-05-27 | 2019-07-26 | 浙江中大元通特种电缆有限公司 | A kind of cable that compressive property is good |
| CN110060804B (en) * | 2019-05-27 | 2024-05-24 | 浙江中大元通特种电缆有限公司 | Cable with good compression resistance |
| CN111276286A (en) * | 2020-01-20 | 2020-06-12 | 浙江元通线缆制造有限公司 | Anti-compression anti-static coal mine cable |
| CN114496362A (en) * | 2021-12-29 | 2022-05-13 | 杭州惠尔线缆有限公司 | Security protection cable |
| CN114496362B (en) * | 2021-12-29 | 2023-09-19 | 杭州惠尔线缆有限公司 | Security cable |
| CN117192713A (en) * | 2023-11-08 | 2023-12-08 | 江苏中天科技股份有限公司 | Underwater optical cable |
| CN117192713B (en) * | 2023-11-08 | 2024-02-02 | 江苏中天科技股份有限公司 | Underwater optical cable |
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