CN208061700U - A kind of anti-extrusion stretch-proof power cable - Google Patents
A kind of anti-extrusion stretch-proof power cable Download PDFInfo
- Publication number
- CN208061700U CN208061700U CN201820290991.5U CN201820290991U CN208061700U CN 208061700 U CN208061700 U CN 208061700U CN 201820290991 U CN201820290991 U CN 201820290991U CN 208061700 U CN208061700 U CN 208061700U
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- Prior art keywords
- power cable
- support tube
- inner support
- outside
- coated
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Abstract
The utility model is related to power cable technical fields,More particularly to a kind of anti-extrusion stretch-proof power cable,Include the power cable core of more mutually insulateds,It is coated with insulating layer outside power cable core,Shielded layer is also wrapped on outside insulating layer,Inner support tube is equipped between power cable core,Inner support tube outer wall is equipped with multiple arcs support element,Power cable core is connected and fixed by curved support part with inner support tube,Inner support tube is internally provided with nylon rope,It is additionally provided with filled layer between power cable core,Filled layer,Inner support tube and more power cable cores are coated in fire-retardant band,It is coated with armor outside fire-retardant band,Enhancement layer is coated with outside armor,More steel wires are equipped in enhancement layer,Elastic cord breaker is coated with outside enhancement layer,Elastic cord breaker is internally provided with multiple cushion chambers,Multiple wear-resistant pressure-resistant items are equipped with outside elastic cord breaker,The utility model has certain deformation space and provided with the nylon rope and steel wire for reinforcing its tensile strength,It prevents from being broken.
Description
Technical field
The utility model is related to power cable technical field, more particularly to a kind of anti-extrusion stretch-proof power cable.
Background technology
In recent years, the electric utility in China continues to develop, and the demand of cable is very big, simultaneously for wanting for power cable
Ask also higher and higher.Power cable is the cable for being used for transmission and distributing electric energy, is usually used in Urban Underground power grid, power station is drawn
Go out the submarine transmission line of circuit, the in-line power of industrial and mining enterprises and crossing river and sea.In some cases, power cable requires it
With crush resistance, for example, being extruded due to the action with processing component in production and processing field, power cable automatically, pass through
Often it will appear the phenomenon that power cable is squeezed and broken；And when power cable is extruded, conductor core wire will necessarily be caused to squeeze, from
And power transmission quality is impacted.In addition, the current-carrying capability of power cable is usually related with the sectional area of conductor thread core, when
Electric current can be such that conductor temperature increases when increasing, and the temperature of the insulating layer of conductor outer cladding can lead to insulating layer when being more than the upper limit
Change in performance influences the service life of power cable to make the insulating reliability of insulating layer substantially reduce.Therefore, urgently
A kind of anti-extrusion stretch-proof power cable to be developed.
Utility model content
And, the utility model provides a kind of anti-extrusion resistance to drawing in view of the above-mentioned defects in the prior art
Power cable is stretched, there is certain deformation space and provided with the nylon rope and steel wire for reinforcing its tensile strength, prevents from being broken.
Technical solution adopted by the utility model to solve its technical problems is：A kind of anti-extrusion stretch-proof power cable,
Include the power cable core of more mutually insulateds, which is characterized in that be coated with insulating layer outside the every power cable core, institute
It states and is also wrapped on shielded layer outside insulating layer, inner support tube is equipped between the more power cable cores, outside the inner support tube
Wall is equipped with multiple arcs support element, and the every power cable core is connected and fixed by curved support part with inner support tube, institute
It states inner support tube and is internally provided with nylon rope, filled layer, the filled layer, inner support are additionally provided between the more power cable cores
The integral coating of pipe and more power cable cores composition is coated with armor, institute in fire-retardant band outside the fire-retardant band
It states and is coated with enhancement layer outside armor, more steel wires are equipped in the enhancement layer, cladding is flexible slow outside the enhancement layer
Layer is rushed, the elastic cord breaker is internally provided with multiple cushion chambers, multiple wear-resistant pressure-resistant items are equipped with outside the elastic cord breaker.
Further, each curved support part section is semicircle, is open towards fire-retardant band.Curved support frame has
Help improve the stability inside power cable, fixed every power cable core prevents internal loose, and promote compression strength.
Further, the multiple curved support part is uniformly distributed along inner support tube outer wall cross-sectional periphery direction.
Further, the steel wire is arranged with power cable core and is uniformly distributed along enhancement layer cross-sectional periphery direction in the same direction.
Steel wire helps to promote the tensile strength of power cable.
Further, the cushion chamber is uniformly distributed along elastic cord breaker cross-sectional periphery direction, wear-resistant pressure-resistant item edge
Elastic cord breaker outer wall cross-sectional periphery direction is uniformly distributed.Cushion chamber provides deformation space for power cable, can alleviate electricity
Stress when cable is bent or is extruded, the stress that simultaneous buffering chamber is subject to cable and inner support tube play cushioning effect, are
Inner support tube provides deformation space, increases the anti-extrusion ability and bending resistance of cable；It is resistance to when cable is when ground is drawn
Mill resistance to compression item is directly contacted with ground, and cable main body can be prevented to be worn；When cable is squeezed, wear-resistant pressure-resistant item can
Cushioning effect；In addition the setting of wear-resistant pressure-resistant item can also increase frictional force when several cables bundle, and be not easy to loosen.
Further, the cushion chamber is identical as wear-resistant pressure-resistant quantity and is oppositely arranged one by one.
The utility model has the beneficial effects that：Compare the prior art, a kind of anti-extrusion stretch-proof electric power of the utility model
Cable promotes the anti-pressure ability and bending resistance of cable by the way that inner support tube and cushion chamber is arranged, and nylon rope and steel wire are set
Set the tensile resistance for improving cable.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Wherein：1, nylon rope, 2, inner support tube, 21, curved support part, 3, power cable core, 4, insulating layer, 5, shielding
Layer, 6, filled layer, 7, fire-retardant band, 8, armor, 9, enhancement layer, 10, steel wire, 11, elastic cord breaker, 12, cushion chamber, 13,
Wear-resistant pressure-resistant item.
Specific implementation mode
It elaborates below in conjunction with the accompanying drawings to specific embodiment of the present utility model, furthers elucidate the utility model
The advantages of and compared with the existing technology protrusion contribution, it is possible to understand that, following embodiments is only preferable to the utility model
The detailed description of embodiment should not be construed as any restrictions to technical solutions of the utility model.This practicality is not being departed from
Under the premise of new design is conceived, various modifications and change that ordinary people in the field makes the technical solution of the utility model
Into should fall within the protection scope of the present utility model, the claimed technology contents of the utility model are all documented in
In claims.
As shown in Figure 1, a kind of anti-extrusion stretch-proof power cable, includes the power cable core of three mutually insulateds（3）, often
Root power cable core（3）Outside is coated with insulating layer（4）, insulating layer（4）Outside is also wrapped on shielded layer（5）, three electric power electricity
Cable core（3）Between be equipped with inner support tube（2）, inner support tube（2）Curved support part there are three being set on outer wall（21）, every electric power electricity
Cable core（3）Pass through curved support part（21）With inner support tube（2）It is connected and fixed, inner support tube（2）It is internally provided with nylon rope（1）,
Three power cable cores（3）Between be additionally provided with filled layer（6）, filled layer（6）, inner support tube（2）And three power cable cores（3）
The integral coating of composition is in fire-retardant band（7）It is interior, fire-retardant band（7）Outside is coated with armor（8）, armor（8）Outside packet
It is covered with enhancement layer（9）, enhancement layer（9）It is interior to be equipped with more steel wires（10）, enhancement layer（9）Outside is coated with elastic cord breaker（11）,
Elastic cord breaker（11）It is internally provided with six cushion chambers（12）, elastic cord breaker（11）Outside is set there are six wear-resistant pressure-resistant item
（13）.
Further, each curved support part（21）Section is semicircle, is open towards fire-retardant band（7）.Curved support
Frame helps to improve the stability inside power cable, and fixed every power cable core prevents internal loose, and promote pressure resistance
Degree.
Further, three curved support parts（21）Along inner support tube（2）Outer wall cross-sectional periphery direction is uniformly distributed.
Further, steel wire（10）With power cable core（3）It is arranged in the same direction and along enhancement layer（9）Cross-sectional periphery direction is uniform
Distribution.Steel wire helps to promote the tensile strength of power cable.
Further, cushion chamber（12）Along elastic cord breaker（11）Cross-sectional periphery direction is uniformly distributed, wear-resistant pressure-resistant item
（13）Along elastic cord breaker（11）Outer wall cross-sectional periphery direction is uniformly distributed.Cushion chamber provides deformation space for power cable,
Stress when can alleviate cable bend or be extruded, simultaneous buffering chamber play the stress that cable and inner support tube are subject to slow
Punching acts on, and provides deformation space for inner support tube, increases the anti-extrusion ability and bending resistance of cable；When cable is on ground
When dilatory, wear-resistant pressure-resistant item is directly contacted with ground, and cable main body can be prevented to be worn；It is wear-resisting when cable is squeezed
Resistance to compression item can cushioning effect；In addition the setting of wear-resistant pressure-resistant item can also increase frictional force when several cables bundle, no
Easily loosen.
Further, cushion chamber（12）With wear-resistant pressure-resistant item（13）Quantity is identical and is oppositely arranged one by one.
Claims (6)
1. a kind of anti-extrusion stretch-proof power cable, includes the power cable core of more mutually insulateds, it is characterised in that：It is described every
It is coated with insulating layer outside root power cable core, shielded layer, the more power cable cores are also wrapped on outside the insulating layer
Between be equipped with inner support tube, the inner support tube outer wall is equipped with multiple arcs support element, and the every power cable core passes through
Curved support part is connected and fixed with inner support tube, and the inner support tube is internally provided with nylon rope, the more power cable cores it
Between be additionally provided with filled layer, the integral coating of the filled layer, inner support tube and more power cable cores composition in fire-retardant band,
It is coated with armor outside the fire-retardant band, enhancement layer is coated with outside the armor, more are equipped in the enhancement layer
Steel wire is coated with elastic cord breaker outside the enhancement layer, and the elastic cord breaker is internally provided with multiple cushion chambers, the elasticity
Buffer exteriors are equipped with multiple wear-resistant pressure-resistant items.
2. a kind of anti-extrusion stretch-proof power cable according to claim 1, it is characterised in that：Each curved support
Part section is semicircle, is open towards fire-retardant band.
3. a kind of anti-extrusion stretch-proof power cable according to claim 1, it is characterised in that：The multiple curved support
Part is uniformly distributed along inner support tube outer wall cross-sectional periphery direction.
4. a kind of anti-extrusion stretch-proof power cable according to claim 1, it is characterised in that：The steel wire and electric power electricity
Cable core is arranged and is uniformly distributed along enhancement layer cross-sectional periphery direction in the same direction.
5. a kind of anti-extrusion stretch-proof power cable according to claim 1, it is characterised in that：The cushion chamber is along elasticity
Buffer layer cross-sectional periphery direction is uniformly distributed, and the wear-resistant pressure-resistant item uniformly divides along elastic cord breaker outer wall cross-sectional periphery direction
Cloth.
6. a kind of anti-extrusion stretch-proof power cable according to claim 1, it is characterised in that：The cushion chamber with it is wear-resisting
Resistance to compression quantity is identical and is oppositely arranged one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820290991.5U CN208061700U (en) | 2018-03-01 | 2018-03-01 | A kind of anti-extrusion stretch-proof power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820290991.5U CN208061700U (en) | 2018-03-01 | 2018-03-01 | A kind of anti-extrusion stretch-proof power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208061700U true CN208061700U (en) | 2018-11-06 |
Family
ID=63991066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820290991.5U Expired - Fee Related CN208061700U (en) | 2018-03-01 | 2018-03-01 | A kind of anti-extrusion stretch-proof power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208061700U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281231A (en) * | 2018-03-01 | 2018-07-13 | 浙江英美达电缆科技有限公司 | A kind of anti-extrusion stretch-proof power cable |
| CN113359257A (en) * | 2021-06-29 | 2021-09-07 | 杭州富通通信技术股份有限公司 | Pressure-resistant optical cable |
| CN114141413A (en) * | 2021-11-02 | 2022-03-04 | 湖南华泰电缆有限公司 | Environment-friendly fireproof home decoration electric wire |
-
2018
- 2018-03-01 CN CN201820290991.5U patent/CN208061700U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281231A (en) * | 2018-03-01 | 2018-07-13 | 浙江英美达电缆科技有限公司 | A kind of anti-extrusion stretch-proof power cable |
| CN113359257A (en) * | 2021-06-29 | 2021-09-07 | 杭州富通通信技术股份有限公司 | Pressure-resistant optical cable |
| CN113359257B (en) * | 2021-06-29 | 2022-05-24 | 杭州富通通信技术股份有限公司 | Pressure-resistant optical cable |
| CN114141413A (en) * | 2021-11-02 | 2022-03-04 | 湖南华泰电缆有限公司 | Environment-friendly fireproof home decoration electric wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181106 Termination date: 20210301 |