CN208873536U - A kind of electric power safeguard special vehicle locomotive cable - Google Patents
A kind of electric power safeguard special vehicle locomotive cable Download PDFInfo
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- CN208873536U CN208873536U CN201821901872.5U CN201821901872U CN208873536U CN 208873536 U CN208873536 U CN 208873536U CN 201821901872 U CN201821901872 U CN 201821901872U CN 208873536 U CN208873536 U CN 208873536U
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Abstract
The utility model discloses a kind of electric power safeguard special vehicle locomotive cable, which is suitable for the inside of this extraordinary electric power safeguard vehicle as power transmission line；Not only there are excellent electrical insulation properties including conductor, the first separation layer, ethylene-propylene rubber inner insulating layer, Halogen crosslinking rubber elastomer external insulation layer, the second separation layer, shielding enhancement layer, third separation layer and this cable of oversheath tool inside cable is arranged in, also there is excellent heat resistance, double oil resistances (mineral oil and fuel oil), preferable flexibility, tension, Electro Magnetic Compatibility and LSOH anti-flaming environmental-protecting performance simultaneously, it is and the extraordinary locomotive cable of single-minded research and development according to the requirement of electric power safeguard special vehicle power inside cable.The utility model also provides the production method of above-mentioned cable, and this method process specifications are high, products obtained therefrom superior performance.
Description
Technical field
The utility model relates to electric power safeguard special vehicle internal proprietary ac rated voltage 3kV cable, the product is main
Pneumatic connecting lines are done inside the special vehicle used applied to the maintenance of Utilities Electric Co.'s electric network fault.
Background technique
Electric power safeguard special vehicle is emergency guarantee vehicle needed for Utilities Electric Co.'s power grid daily maintenance and breakdown maintenance, this
Cable provided by utility model is exactly to make power transmission line applied to required inside the special vehicle.The main work of the cable
It is required are as follows:
1, cable has excellent electrical insulation properties；
2, cable work occasion have various greasy dirts, it is desirable that cable have excellent oil resistance, can simultaneously fuel-resistant
Oil and mineral oil have double oil resistances；
3, cable in normal work, needs the mobile bending of continuous retractable on reel, it is desirable that have good flexible
Property, counter-bending, tension, anti-towing, be able to bear the effect of various mechanical stresses, have longer service life.
4, there are various instrument and meters around cable work, it is desirable that cable has good shielding properties and Electro Magnetic Compatibility；
5, cable has the safety and environmental protection performance of LSOH anti-flaming.
The there is provided cable of the utility model is the requirements above for cable used in the special vehicle and the Special electric researched and developed
Cable says that the cable of production is fully able to meet the requirement of the above performance using utility model technical solution, and cable is with higher
Safety and reliability and longer service life.
Utility model content
The utility model provides a kind of electric power safeguard special vehicle locomotive cable for prior art situation, which is
For this extraordinary electric power safeguard vehicle requirement and the new product researched and developed, cable have excellent electrical insulation properties, together
When there are also excellent oil resistivity, mineral oil and fuel oil can be resistant to simultaneously, and cable is since material therefor is rubber elastomer
Material, it is ensured that the flexibility of cable body, while cable design has enhancement layer, can satisfy the counter-bending of cable requirement, tension,
The needs of various mechanical stresses are born in anti-towing, and entire cable material therefor is all the environment-friendly materials being halogen-free, and meets cable
The safety and environmental protection characteristic requirements of low smoke, zero halogen.
It is realized when the utility model solution technical problem by following measures:
A kind of electric power safeguard special vehicle locomotive cable, including conductor, the first separation layer, second inside cable is arranged in
Propylene rubber inner insulating layer, Halogen crosslinking rubber elastomer external insulation layer, the second separation layer, shielding enhancement layer, third separation layer and
Oversheath, longitudinally the first separation layer of cladding, the first separation layer pass through double-layer coextrusion outside and uniformly squeeze for the outer surface of the conductor
Packet ethylene-propylene rubber inner insulating layer and Halogen are crosslinked rubber elastomer external insulation layer, constitute insulated wire cores；It is overlapped outside insulated wire cores
Wrapped the second separation layer being made of high temperature resistance polyester band, overlap rate are controlled in 15%-25%；Screen is woven outside second separation layer
Enhancement layer is covered, is overlapped the wrapped third separation layer being made of high temperature resistance polyester band, overlap rate control again outside shielding enhancement layer
In 15%-25%；Finally, extruding the oversheath being made of the anti-tear oil resistant Halogen elastomeric material of thermosetting property outside third separation layer.
Further design is, the conductor provides the 6th kind tin plating copper core is soft to lead using national standard GB/T3956-2008 is met
Body.
Further design is: first separation layer uses the electricity with soft pliable every paper.
Further design is, the shielding enhancement layer uses the strand woven by tinned copper wire and compiled by zinc-coated wire
The strand knitted staggeredly is alternatively arranged and weaves, and 85% or more count control, angle of weave is not more than 45 °.
Further design is, the diameter of the tinned copper wire and zinc-coated wire is 0.3mm-0.5mm.
Compared with prior art, the beneficial effects of the utility model are embodied in:
The utility model primary insulation uses heat-resisting 125 DEG C of ethylene-propylene rubber elastomeric materials, by continuously squeezing rubber and vulcanization
Technique, realizing has excellent electrical properties, while ethylene-propylene rubber mixture is by the jet chimney of high temperature and pressure, by easily deformable
Thermoplastic polyester becomes the thermosetting polymer polymer with high resiliency, higher toughness；With Halogen crosslinked polyolefin
Hydrocarbon insulated cable is compared, and cable insulation is more soft, and has elasticity, can satisfy in cable in narrow environment in use,
Bear the requirement of overbending；It insulate simultaneously by vulcanizing treatment, being changed into thermo-setting elastomer ensure that the heatproof etc. of cable
The requirement of grade；
The external insulation layer of the utility model use low smoke, zero halogen oil resistant EVA rubber elastomeric material, by continuously squeeze rubber and
Sulfuration process, which is realized from easily deformable thermoplastic polyester, becomes the thermosetting property high score with high resiliency, higher toughness
Sub- polymer；Compared with normal cable is using the low smoke, zero halogen crosslinked polyolefin materials of shaped plastics, since low smoke, zero halogen crosslinking is poly-
For alkene using irradiation crosslinking processes, the difficulty on the uniformity controlling of irradiation is bigger, is easy to cause cable that cannot lead to
Cross fuel oil and mineral oil test；And the crosslink material technique is vulcanized using high steam, technique is easy to control, and cable vulcanization is equal
It is even, it is ensured that cable is fully able to through fuel oil and mineral oil test；Simultaneously because cable is thermo-setting elastomer, with shaped plastics
Sheath is compared, and cable has better flexibility and elasticity, avoid shaped plastics sheath overbending using when existing open
Split risk；
For first separation layer using flexible electrical every paper material, which can be effective between insulation and conductor
Isolated insulation and conductor prevent occurring the phenomenon that adhesion when removing insulation, while soft, do not influence the flexibility of cable.
Second separation layer and third separation layer are polyester film resistant to high temperature, which has characteristic resistant to high temperature, can
The high temperature of curing tube is subjected to without melting, so as to play the role of isolation well, protection insulation is not reinforced layer damage
Wound.
It is as follows using tinned copper wire and zinc-coated wire weaving, principal benefits to shield enhancement layer:
1) since material uses zinc-coated wire material as enhancement layer, make cable that there is better tensile property, it is ensured that
Cable is able to bear the various mechanical stresses such as continuous retractable bending, towing；
2) since cable is single-core cable, when being applied to AC system, if will cause electricity using the steel wire of magnetic material
Cable generates eddy-current loss when running, and intersects therewith braiding using non-magnetic material tinned copper wire thus, can cut off magnetic force in this way
Line reduces cable loss, while the enhancement layer also has screen effect, can effectively shield the electromagnetic wave that cable generates, avoid
Interference is generated to extraneous weak electric signal；
For restrictive coating using high anti-tear oil resistant low smoke, zero halogen thermoset elastomer materials, the material is with higher mechanical strong
Degree, especially tear strength ensure that cable can be through with the mechanical stress of towing, in addition the material is in caoutchouc elasticity by bending in this way
Body shape has preferable flexibility, can satisfy constantly mobile use, double oil resistant tests, last material are amenable in terms of oil resistant
Material is the low smoke, zero halogen ep-type material being halogen-free, and meets the safety and environmental protection performance requirement of cable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of utility model.
Specific embodiment
Utility model is described further below by way of specific embodiment, and in conjunction with attached drawing.
As shown in Figure 1, the utility model discloses a kind of electric power safeguard special vehicle locomotive cable, including be arranged in electricity
Conductor 1, the first separation layer 2, ethylene-propylene rubber inner insulating layer 3, Halogen inside cable are crosslinked rubber elastomer external insulation layer 4, second
Separation layer 5, shielding enhancement layer 6, third separation layer 7 and oversheath 8, longitudinally the first isolation of cladding of the outer surface of the conductor 1
Layer 2, the first separation layer 2 uniformly extrudes ethylene-propylene rubber inner insulating layer 3 by double-layer coextrusion outside and Halogen is crosslinked rubber elastomer
External insulation layer 4 constitutes insulated wire cores；It is overlapped wrapped the second separation layer 5 being made of high temperature resistance polyester band outside insulated wire cores, takes
Lid rate is controlled in 15%-25%；The outer braid shielded enhancement layer 6 of second separation layer 5, shielding enhancement layer 6 outside be overlapped again around
The third separation layer 7 being made of high temperature resistance polyester band is wrapped, overlap rate is controlled in 15%-25%；Finally, being squeezed outside third separation layer 7
The oversheath 8 that packet is made of the anti-tear oil resistant Halogen elastomeric material of thermosetting property, material mechanical strength with higher, especially
Tear strength ensures that cable can be through with the mechanical stress of towing, in addition the material is in rubber elastomer shape, is had by bending in this way
Preferable flexibility can satisfy constantly mobile use, and double oil resistant tests are amenable in terms of oil resistant, and final material is not halogen
The low smoke, zero halogen ep-type material of element meets the safety and environmental protection performance requirement of cable.
For first separation layer using flexible electrical every paper material, which can be effective between insulation and conductor
Isolated insulation and conductor prevent occurring the phenomenon that adhesion when removing insulation, while soft, do not influence the flexibility of cable.
Second separation layer and the second separation layer are polyester film resistant to high temperature, which has characteristic resistant to high temperature, can
The high temperature of curing tube is subjected to without melting, so as to play the role of isolation well, protection insulation is not reinforced layer damage
Wound.
The cable mainly has the following performance:
1, cable has excellent electrical insulation properties, 20 DEG C of insulation resistivity >=5 × 1012Ω·m；
2, cable work occasion have various greasy dirts, cable have excellent oil resistance, can simultaneously fuel oil resistance and
Mineral oil has double oil resistances.100 DEG C of time 70h of mineral oil oil temperature are soaked, insulate after immersion oil and the tensile strength of sheath becomes
Rate≤- 50%, elongation at break change rate≤- 50% soak 70 DEG C of time 168h of fuel oil oil temperature, insulate after immersion oil and sheath
Variation in tensile strength≤- 55%, elongation at break change rate≤- 55%；
3, cable in normal work, needs the mobile bending of continuous retractable on reel, has good flexibility, resists
Bending, tension, anti-towing, are able to bear the effect of various mechanical stresses, have longer service life；
4, there are various instrument and meters around cable work, cable has good shielding properties and Electro Magnetic Compatibility；
5, cable has the safety and environmental protection performance of LSOH anti-flaming, the survey of evolved gas acidity when cable material burns
It is fixed: pH value >=4.3, conductivity≤10 μ s/mm.
The above is only the preferred embodiment of the utility model.It should be pointed out that for the ordinary skill people of this field
For member, under the premise of not departing from this utility model principle, several variations and modifications can also be made, these also should be regarded as
Belong to the protection scope of the utility model.
Claims (5)
1. a kind of electric power safeguard special vehicle locomotive cable, it is characterised in that: including be arranged in conductor (1) inside cable,
First separation layer (2), ethylene-propylene rubber inner insulating layer (3), Halogen are crosslinked rubber elastomer external insulation layer (4), the second separation layer
(5), enhancement layer (6), third separation layer (7) and oversheath (8) are shielded, the outer surface of the conductor (1) longitudinally coats first
Separation layer (2), the first separation layer (2) uniformly extrudes ethylene-propylene rubber inner insulating layer (3) by double-layer coextrusion outside and Halogen is crosslinked
Rubber elastomer external insulation layer (4) constitutes insulated wire cores；Wrapped be made of high temperature resistance polyester band is overlapped outside insulated wire cores
Two separation layers (5), overlap rate are controlled in 15%-25%；The outer braid shielded enhancement layer (6) of second separation layer (5) adds in shielding
Strong layer (6) is overlapped the wrapped third separation layer (7) being made of high temperature resistance polyester band again outside, and overlap rate is controlled in 15%-25%；Most
Afterwards, the oversheath (8) being made of the anti-tear oil resistant Halogen elastomeric material of thermosetting property is extruded outside third separation layer (7).
2. electric power safeguard special vehicle locomotive cable according to claim 1, which is characterized in that the conductor (1) is adopted
With meeting the 6th kind of tin plating copper core flexible conductor as defined in national standard GB/T2956-2008.
3. electric power safeguard special vehicle locomotive cable according to claim 1, it is characterised in that: first isolation
Layer (2) is using the electricity with soft pliable every paper.
4. electric power safeguard special vehicle locomotive cable according to claim 1, it is characterised in that: the shielding is reinforced
Layer (6) is staggeredly alternatively arranged using the strand woven by tinned copper wire and the strand woven by zinc-coated wire and is woven, and is woven
85% or more density domination, angle of weave are not more than 45 °.
5. electric power safeguard special vehicle locomotive cable according to claim 4, it is characterised in that: the tinned copper wire
Diameter with zinc-coated wire is 0.3mm-0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821901872.5U CN208873536U (en) | 2018-11-19 | 2018-11-19 | A kind of electric power safeguard special vehicle locomotive cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821901872.5U CN208873536U (en) | 2018-11-19 | 2018-11-19 | A kind of electric power safeguard special vehicle locomotive cable |
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| Publication Number | Publication Date |
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| CN208873536U true CN208873536U (en) | 2019-05-17 |
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| CN201821901872.5U Active CN208873536U (en) | 2018-11-19 | 2018-11-19 | A kind of electric power safeguard special vehicle locomotive cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326377A (en) * | 2018-11-19 | 2019-02-12 | 无锡市明珠电缆有限公司 | A kind of electric power safeguard special vehicle locomotive cable and preparation method thereof |
-
2018
- 2018-11-19 CN CN201821901872.5U patent/CN208873536U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326377A (en) * | 2018-11-19 | 2019-02-12 | 无锡市明珠电缆有限公司 | A kind of electric power safeguard special vehicle locomotive cable and preparation method thereof |
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