CN208189285U - A kind of shield machine midium voltage cable - Google Patents
A kind of shield machine midium voltage cable Download PDFInfo
- Publication number
- CN208189285U CN208189285U CN201820728922.8U CN201820728922U CN208189285U CN 208189285 U CN208189285 U CN 208189285U CN 201820728922 U CN201820728922 U CN 201820728922U CN 208189285 U CN208189285 U CN 208189285U
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- layer
- soft copper
- conductor
- shield machine
- cable
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Abstract
The utility model discloses a kind of shield machine midium voltage cables, including multiple soft copper conductors and ground wire；Soft copper conductor has been orderly arranged outside each conductor shield, insulating layer and semi-conductive layer, and is uniformly extruded in soft copper conductor using three-layer co-extruded form；Multiple soft copper conductors and ground wire are twisted, are extruded with filled layer in twisted soft copper conductor, ground outside, wrapping layer, shielded layer, chlorinated polyethylene sheath layer, aramid fiber yarn enhancement layer and haloflex external sheath layer are successively arranged on the outside of filled layer.1, ensure the insulation performance of cable using three-layer co-extruded form production；2, the intermediate tensile property for increasing aramid fiber yarn enhancement layer and improving cable, reinforces resistance to twisting property, the tear resistance of cable；3, outer layer chlorinated polyethylene sheath layer has excellent weatherability, resistance to ozone, chemical-resistant resistance and ageing-resistant performance, good oil resistivity, anti-flammability.4, all material is environment-friendly materials, nontoxic.
Description
Technical field
The utility model relates to a kind of cable, specifically a kind of shield machine midium voltage cable.
Background technique
Middle pressure cable for shield machine is all made of copper conductor, ethylene-propylene rubber insulated chloroprene rubber sheathing compound high pressure rubber set on open market
Flexible cable or TPE oversheath are made, and centre increases strengthening core.
Bending of the construction of cable in shield machine use environment at present, twisting property are also lacking, cause sheath tearing,
It is damaged after torsion, until cable is scrapped.
Cable testing bridge is placed on every section vehicle frame top in tunnel, as cable connection major trunk roads, then draws lower electricity from gantry
Electrical equipment on cable and every section vehicle frame and shield main body is attached obviously, and such system of laying is to cable for shield machine
It is tensile property, wear-resisting property, oil resistance, corrosion-resistant environmental-protecting performance, resistance to low temperature, bending property, service life, torsion
Energy etc. suffers from harsh requirement.
Utility model content
The purpose of this utility model is to provide a kind of shield machine midium voltage cables, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions:
A kind of shield machine midium voltage cable, including multiple soft copper conductors and ground wire；Soft copper conductor has been orderly arranged outside each
Conductor shield, insulating layer and semi-conductive layer, and be uniformly extruded in soft copper conductor using three-layer co-extruded form；It is multiple soft
Copper conductor and ground wire are twisted, are extruded with filled layer in twisted soft copper conductor, ground outside, successively set in the outside of filled layer
There are wrapping layer, shielded layer, chlorinated polyethylene sheath layer, aramid fiber yarn enhancement layer and haloflex external sheath layer.
It is further: the soft copper conductor be tinned copper wire, outer diameter be 0.3~0.5mm, conductor resistance≤0.386 Ω/
km。
Further: the sum of the conductor shield, insulating layer, thickness of semi-conductive layer are greater than 4.5mm, and insulation resistance is big
In 600M Ω km.
It is further: the chlorinated polyethylene sheath layer with a thickness of 2~4mm.
It is further: the haloflex external sheath layer with a thickness of 2~3mm.
Compared with prior art, the utility model has the beneficial effects that
1, ensure the insulation performance of cable using three-layer co-extruded form production；
2, the intermediate tensile property for increasing aramid fiber yarn enhancement layer and improving cable, reinforces resistance to twisting property, the tear-proof of cable
Performance；
3, outer layer chlorinated polyethylene sheath layer has excellent weatherability, resistance to ozone, chemical-resistant resistance and ageing-resistant performance,
Good oil resistivity, anti-flammability.
4, all material is environment-friendly materials, nontoxic；
5, cable is soft, and laying is convenient, greatly reduces the difficulty in installation.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of shield machine midium voltage cable.
In figure: 1- soft copper conductor, 2- conductor shield, 3- insulating layer, 4- semi-conductive layer, 5- ground wire, 6- filled layer, 7- around
Covering, 8- shielded layer, 9- chlorinated polyethylene sheath layer, 10- aramid fiber yarn enhancement layer, 11- haloflex external sheath layer.
Specific embodiment
Please refer to figure, in the utility model embodiment, a kind of shield machine midium voltage cable, including 1 He of multiple soft copper conductors
Ground wire 5；The soft copper conductor 1 is tinned copper wire, and twisted using the 5th class tinned copper wire in GB/T3956 standard, soft copper
The outer diameter of conductor 1 is 0.3~0.5mm, and conductor resistance≤0.386 Ω/km, soft copper conductor 1 has been orderly arranged outside each conductor screen
Layer 2, insulating layer 3 and semi-conductive layer 4 are covered, and is uniformly extruded in soft copper conductor 1 using three-layer co-extruded form, conductor shielding
Layer 2, insulating layer 3, semi-conductive layer 4 thickness be greater than 4.5mm, insulation resistance be greater than 600M Ω km；Multiple soft copper conductors 1 and
Ground wire 5 is twisted, is extruded with filled layer 6 on the outside of twisted soft copper conductor 1, ground wire 5, round cable is processed into, in filled layer 6
Outside is successively arranged outside wrapping layer 7, shielded layer 8, chlorinated polyethylene sheath layer 9, aramid fiber yarn enhancement layer 10 and haloflex and protects
Jacket layer 11, chlorinated polyethylene sheath layer 9 with a thickness of 2~4mm, haloflex external sheath layer 11 with a thickness of 2~3mm, electricity
To aramid fiber yarn enhancement layer 10 is increased in the restrictive coating of cable in the production of cable, solve the tensile property of cable for shield machine, tear-proof,
Resistance to twisting property, the service life for promoting cable.
The utility model by adopting the above technical scheme, has the advantage that
1, ensure the insulation performance of cable using three-layer co-extruded form production；
2, the intermediate tensile property for increasing aramid fiber yarn enhancement layer and improving cable, reinforces resistance to twisting property, the tear-proof of cable
Performance；
3, outer layer chlorinated polyethylene sheath layer has excellent weatherability, resistance to ozone, chemical-resistant resistance and ageing-resistant performance,
Good oil resistivity, anti-flammability.
4, all material is environment-friendly materials, nontoxic；
5, cable is soft, and laying is convenient, greatly reduces the difficulty in installation.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of shield machine midium voltage cable, including multiple soft copper conductors (1) and ground wire (5)；It is characterized in that, soft copper conductor
(1) be orderly arranged outside each conductor shield (2), insulating layer (3) and semi-conductive layer (4), and use three-layer co-extruded shape
Formula is uniformly extruded on soft copper conductor (1)；Multiple soft copper conductors (1) and ground wire (5) are twisted, twisted soft copper conductor (1),
Filled layer (6) are extruded on the outside of ground wire (5), wrapping layer (7), shielded layer (8), chlorination are successively arranged on the outside of filled layer (6)
Pe sheath layer (9), aramid fiber yarn enhancement layer (10) and haloflex external sheath layer (11).
2. a kind of shield machine midium voltage cable according to claim 1, it is characterised in that: the soft copper conductor (1) is plating
Tin copper wire, outer diameter are 0.3~0.5mm, conductor resistance≤0.386 Ω/km.
3. a kind of shield machine midium voltage cable according to claim 1, it is characterised in that: the conductor shield (2), absolutely
The sum of edge layer (3), thickness of semi-conductive layer (4) are greater than 4.5mm, and insulation resistance is greater than 600M Ω km.
4. a kind of shield machine midium voltage cable according to claim 1, it is characterised in that: the chlorinated polyethylene sheath layer
(9) with a thickness of 2~4mm.
5. a kind of shield machine midium voltage cable according to claim 1, it is characterised in that: the haloflex oversheath
Layer (11) with a thickness of 2~3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820728922.8U CN208189285U (en) | 2018-05-16 | 2018-05-16 | A kind of shield machine midium voltage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820728922.8U CN208189285U (en) | 2018-05-16 | 2018-05-16 | A kind of shield machine midium voltage cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208189285U true CN208189285U (en) | 2018-12-04 |
Family
ID=64430932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820728922.8U Expired - Fee Related CN208189285U (en) | 2018-05-16 | 2018-05-16 | A kind of shield machine midium voltage cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208189285U (en) |
-
2018
- 2018-05-16 CN CN201820728922.8U patent/CN208189285U/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 |
Granted publication date: 20181204 Termination date: 20210516 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |