CN206946966U - Coal mine flame-retardant flexible cable - Google Patents
Coal mine flame-retardant flexible cable Download PDFInfo
- Publication number
- CN206946966U CN206946966U CN201720744925.6U CN201720744925U CN206946966U CN 206946966 U CN206946966 U CN 206946966U CN 201720744925 U CN201720744925 U CN 201720744925U CN 206946966 U CN206946966 U CN 206946966U
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- China
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- layer
- outside
- conductive unit
- coal mine
- insulating barrier
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Abstract
It the utility model is related to a kind of coal mine flame-retardant flexible cable,It includes conductor,Internal shield is provided with outside the conductor,Insulating barrier is provided with outside the internal shield,External shielding layer is provided with outside the insulating barrier,Silicon rubber extruded layer is provided with outside the external shielding layer,The internal shield,Insulating barrier,Four layers of external shielding layer and silicon rubber extruded layer are co-extruded,The conductor,Internal shield,Insulating barrier,External shielding layer and silicon rubber extruded layer composition conductive unit,The conductive unit is at least provided with two,Packed layer is provided with outside the conductive unit,Braiding layer is provided with outside the packed layer,Brass wire shielding monitoring layer is provided with outside the braiding layer,Monitoring core is provided with brass wire shielding monitoring layer,External sheath layer is provided with outside brass wire shielding monitoring layer,They form cable body,The diameter of the conductive unit accounts for the 1/4 1/3 of cable body diameter.The utility model is safe to use, flexible, good flame retardation effect.
Description
Technical field
It the utility model is related to a kind of cable, and in particular to a kind of coal mine cable.
Background technology
With the rapid development of the national economy, the electric wire as national economy sustainer, its dosage and use range
It is increasing.In recent years, the industry such as power plant, transformer station, smelting and petrochemical industry, it is very big to the demand of cable.At present
Common coal mine cable is present using unstable, the problems such as pliability difference.
The content of the invention
Goal of the invention：The purpose of this utility model is to overcome deficiency of the prior art, there is provided it is a kind of safe to use,
It is flexible, the coal mine flame-retardant flexible cable of good flame retardation effect.
Technical scheme：In order to solve the above-mentioned technical problem, coal mine flame-retardant flexible cable described in the utility model, it includes
Conductor, internal shield is provided with outside the conductor, insulating barrier is provided with outside the internal shield, outside the insulating barrier
Provided with external shielding layer, silicon rubber extruded layer, the internal shield, insulating barrier, external shielding layer are provided with outside the external shielding layer
Four layers are co-extruded with silicon rubber extruded layer, the conductor, internal shield, insulating barrier, external shielding layer and silicon rubber extruded layer group
Into conductive unit, the conductive unit is provided with packed layer, in the packed layer at least provided with two outside the conductive unit
Outside is provided with braiding layer, and brass wire shielding monitoring layer is provided with outside the braiding layer, is provided with brass wire shielding monitoring layer
Monitoring core, external sheath layer is provided with outside brass wire shielding monitoring layer, they form cable body, the conductive unit
Diameter accounts for the 1/4-1/3 of cable body diameter.
The conductor is anaerobic copper conductor.
The packed layer is composite material of silicon carbide packed layer.
The braiding layer by ceramic plastic wire and aramid fiber silk according to 1 repeatedly 1 vertical woven form.
The external sheath layer is halogen-free and low-smoke flame-retardant polyolefin sheathed layer.
The conductive unit sets four, and the diameter of the conductive unit accounts for the 1/4 of cable body diameter.
Beneficial effect：Compared with prior art, its remarkable advantage is the utility model：The utility model structure setting is closed
Reason, Integral sealing, more more stable than fine copper, fine aluminium cable using anaerobic copper conductor, electrical conductivity is higher, using by internal shield, absolutely
Four layers of coextruded layer of edge layer, external shielding layer and silicon rubber extruded layer composition, make conductive unit winding parcel performance good, security
Height, it is good using composite material of silicon carbide packed layer, filling effect, it is ensured that cable distortion during each group core stress more
Add uniformly, according to 1 braiding layer that repeatedly 1 vertical woven forms, effectively improved whole using by ceramic plastic wire and aramid fiber silk
The flexibility of body cable, and ceramic plastic wire therein, cable porcelain in flame combustion environment can be made, form high temperature
Cable is dielectrically separated from environment, monitors layer using the brass wire shielding with monitoring core, it is possible to achieve monitoring in real time, the conduction
Unit sets four, and the conductive unit diameter accounts for the 1/4 of cable body diameter, then being used cooperatively by each layer, leads
Electric unit operation is most steady reliable, meets actual operation requirements.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As shown in figure 1, coal mine flame-retardant flexible cable described in the utility model, it includes conductor 1, outside the conductor 1
Portion is provided with internal shield 2, and insulating barrier 3 is provided with outside the internal shield 2, external shielding layer is provided with outside the insulating barrier 3
4, silicon rubber extruded layer 5, the internal shield 2, insulating barrier 3, external shielding layer 4 and silicon rubber are provided with outside the external shielding layer 4
5 four layers of glue extruded layer is co-extruded, 5 groups of the conductor 1, internal shield 2, insulating barrier 3, external shielding layer 4 and silicon rubber extruded layer
Into conductive unit, the conductive unit sets four, packed layer 6 is provided with outside the conductive unit, outside the packed layer 6
Portion is provided with braiding layer 7, and brass wire shielding monitoring layer 8 is provided with outside the braiding layer 7, is set in brass wire shielding monitoring layer 8
There is monitoring core 9, be provided with external sheath layer 10 outside brass wire shielding monitoring layer 8, they form cable body, the conduction
The diameter of unit accounts for the 1/4 of cable body diameter；The conductor 1 is anaerobic copper conductor；The packed layer 6 is silicon carbide compound material
Expect packed layer；The braiding layer 7 by ceramic plastic wire and aramid fiber silk according to 1 repeatedly 1 vertical woven form；The oversheath
Layer 10 is halogen-free and low-smoke flame-retardant polyolefin sheathed layer.The utility model structure setting is reasonable, Integral sealing, is led using oxygen-free copper
Body, more more stable than fine copper, fine aluminium cable, electrical conductivity is higher, is squeezed using by internal shield, insulating barrier, external shielding layer and silicon rubber
Four layers of coextruded layer of laminate layer composition, make conductive unit winding parcel performance good, it is safe, filled using composite material of silicon carbide
Layer, filling effect is good, it is ensured that each group core is more uniformly stressed during cable distortion, using by ceramic plastic wire
With aramid fiber silk according to the 1 repeatedly braiding layer that forms of 1 vertical woven, the flexibility of Integral cable, and pottery therein are effectively improved
Porcelain plastic wire, cable porcelain in flame combustion environment can be made, form being dielectrically separated from for cable in hot environment, used
Brass wire shielding monitoring layer with monitoring core, it is possible to achieve monitoring in real time, the conductive unit set four, and the conduction
Element diameter accounts for the 1/4 of cable body diameter, then being used cooperatively by each layer, and conductive unit operation is most steady reliable, meets
Actual operation requirements.
The utility model provides a kind of thinking and method, and it is many to implement method and the approach of the technical scheme, with
Only it is preferred embodiment of the present utility model described in upper, it is noted that for those skilled in the art,
On the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improvements and modifications should also regard
For the scope of protection of the utility model, the available prior art of each part being not known in the present embodiment is realized.
Claims (6)
1. coal mine flame-retardant flexible cable, it is characterised in that：It includes conductor（1）, in the conductor（1）Outside is provided with internal shield
（2）, in the internal shield（2）Outside is provided with insulating barrier（3）, in the insulating barrier（3）Outside is provided with external shielding layer（4）,
The external shielding layer（4）Outside is provided with silicon rubber extruded layer（5）, the internal shield（2）, insulating barrier（3）, external shielding layer（4）
With silicon rubber extruded layer（5）Four layers are co-extruded, the conductor（1）, internal shield（2）, insulating barrier（3）, external shielding layer（4）With
Silicon rubber extruded layer（5）Conductive unit is formed, the conductive unit is provided with outside the conductive unit and filled out at least provided with two
Fill layer（6）, in the packed layer（6）Outside is provided with braiding layer（7）, in the braiding layer（7）Outside is provided with brass wire shielding and monitored
Layer（8）, layer is monitored in the brass wire shielding（8）It is interior to be provided with monitoring core（9）, layer is monitored in the brass wire shielding（8）Outside is set
There is external sheath layer（10）, they form cable body, and the diameter of the conductive unit accounts for the 1/4-1/3 of cable body diameter.
2. coal mine flame-retardant flexible cable according to claim 1, it is characterised in that：The conductor（1）For anaerobic copper conductor.
3. coal mine flame-retardant flexible cable according to claim 1, it is characterised in that：The packed layer（6）Answered for carborundum
Condensation material packed layer.
4. coal mine flame-retardant flexible cable according to claim 1, it is characterised in that：The braiding layer（7）Moulded by ceramic
Material silk and aramid fiber silk according to 1 repeatedly 1 vertical woven form.
5. coal mine flame-retardant flexible cable according to claim 1, it is characterised in that：The external sheath layer（10）It is low for Halogen
Smoke flame-retardant polyolefin sheathed layer.
6. coal mine flame-retardant flexible cable according to claim 1, it is characterised in that：The conductive unit sets four, institute
The diameter for stating conductive unit accounts for the 1/4 of cable body diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720744925.6U CN206946966U (en) | 2017-06-26 | 2017-06-26 | Coal mine flame-retardant flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720744925.6U CN206946966U (en) | 2017-06-26 | 2017-06-26 | Coal mine flame-retardant flexible cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206946966U true CN206946966U (en) | 2018-01-30 |
Family
ID=61365286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720744925.6U Expired - Fee Related CN206946966U (en) | 2017-06-26 | 2017-06-26 | Coal mine flame-retardant flexible cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206946966U (en) |
-
2017
- 2017-06-26 CN CN201720744925.6U patent/CN206946966U/en not_active Expired - Fee Related
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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: 20180130 |