CN107731367A - A kind of backbone cable for facilitating branch - Google Patents
A kind of backbone cable for facilitating branch Download PDFInfo
- Publication number
- CN107731367A CN107731367A CN201711079314.5A CN201711079314A CN107731367A CN 107731367 A CN107731367 A CN 107731367A CN 201711079314 A CN201711079314 A CN 201711079314A CN 107731367 A CN107731367 A CN 107731367A
- Authority
- CN
- China
- Prior art keywords
- parts
- arc
- supporting plate
- cable
- insulation layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 claims description 6
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- 239000010456 wollastonite Substances 0.000 claims description 6
- 229910052882 wollastonite Inorganic materials 0.000 claims description 6
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 6
- 239000005995 Aluminium silicate Substances 0.000 claims description 5
- 235000012211 aluminium silicate Nutrition 0.000 claims description 5
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- PEYUIKBAABKQKQ-UHFFFAOYSA-N epiasarinin Natural products C1=C2OCOC2=CC(C2OCC3C2COC3C2=CC=C3OCOC3=C2)=C1 PEYUIKBAABKQKQ-UHFFFAOYSA-N 0.000 description 3
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- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
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- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0216—Two layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
- H01B7/1815—Protections not provided for in groups H01B7/182 - H01B7/26 composed of longitudinal inserts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
- H01B7/1825—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments forming part of a high tensile strength core
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/223—Longitudinally placed metal wires or tapes forming part of a high tensile strength core
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/228—Metal braid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/38—Insulated conductors or cables characterised by their form with arrangements for facilitating removal of insulation
- H01B7/385—Insulated conductors or cables characterised by their form with arrangements for facilitating removal of insulation comprising a rip cord or wire
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/024—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients composed of braided metal wire
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a kind of backbone cable for facilitating branch, including oversheath, external insulation layer is arranged in the oversheath, centrally disposed tension SMIS in the external insulation layer, annular array sets four the first supporting plates on the tension SMIS, four the first supporting plates will be divided into four receiving spaces in cross-shaped arrangement in external insulation layer, three wires are set in each receiving space, the side of first supporting plate sets the first arc, the opposite side of first supporting plate sets the second arc, first supporting plate sets the first tear strip, the one end of first arc away from the first supporting plate sets the second supporting plate, second supporting plate sets the second tear strip.The beneficial effects of the invention are as follows：Multi-cable is integrally buried, and will not be produced and be interfered between different types of cable, and can be facilitated and be carried out branch to cable.
Description
Technical field
The invention mainly relates to field of cables, specifically a kind of backbone cable for facilitating branch.
Background technology
Cable is equipment indispensable in operation power, with the cumulative year after year of household electricity, commercial power, cable
Usage amount is also being continuously increased on value volume and range of product, in the prior art, is needed multi-cable on the backbone of cable laying
Bury, bind together multi-cable during usual way together, bind during binding insecure, easily dissipated using after a period of time
Open, it is not easy to distinguish, made troubles for the later maintenance of cable；In addition, the structural strength deficiency that cable is overall, during binding excessively
It is firm then easily cause distortion of the cable, bending, influence the transmission of signal.
The content of the invention
To solve deficiency of the prior art, the present invention provides a kind of backbone cable for facilitating branch, multi-cable
It is overall embedded, it will not produce and interfere between different types of cable, and can facilitate and branch is carried out to cable.
The present invention to achieve the above object, is achieved through the following technical solutions：
A kind of backbone cable for facilitating branch, including oversheath, external insulation layer is arranged in the oversheath, it is described outer
Centrally disposed tension SMIS in insulating barrier, annular array sets four the first supporting plates on the tension SMIS, four first
Supporting plate will be divided into four receiving spaces in cross-shaped arrangement in external insulation layer, setting three in each receiving space leads
Line, the side of first supporting plate set the first arc, and the opposite side of first supporting plate sets the second arc, institute
It is elastic plate to state the second arc, formation and wire between the first arc, the second arc in same receiving space
The guide channel being engaged, one end away from tension SMIS of first supporting plate set the first groove, in first groove
First tear strip is set, and the one end of first arc away from the first supporting plate sets the second supporting plate, second support
The other end of plate is connected with external insulation layer, and the second groove is set in second supporting plate, second is set in second groove
Tear strip, connecting plate is set on first arc, the other end of the connecting plate is connected with external insulation layer, the connecting plate
One end away from the first arc sets baffle plate.
The wire includes conductor, the outside of the conductor coat successively from inside to outside separation layer, conductor shield, it is interior absolutely
Edge layer, the separation layer are high fire-retardance polyester belt isolation layer.
Filling flame-retardant filler in first groove, the second groove.
The oversheath includes following weight parts raw material：
Polyvinyl chloride resin 65-85 parts, glycol phthalate 10-20 parts, carbon black N660 20-30 parts, Tissuemat E 1-3
Part, calcium-zinc composite stabilizing agent 1-2 parts, calcium stearate 10-15 parts, modified mineral filler 8-16 parts, vinyltrimethoxy silane
10-15 parts, n-butyl sebacate 5-10 parts, castor oil 6-12 parts, methyl p-hydroxybenzoate 2-4 parts, antioxidant 1-2 parts,
Ethylene-vinyl acetate copolymer 8-16 parts, zinc stearate 2-4 parts, antioxidant 0.2-0.8 parts, AVM 70-90 parts, asarum
Fat element 5-15 parts and Dihydrocapsaicin 5-15 parts.
The preparation method of the modified mineral filler is as follows：
A, by weight 50-80：5-10:3-6:2-4 weighs gangue, wollastonite, kaolin, pyrophillite and is well mixed,
Crush, then be placed in ball milling in ball mill, obtain pulverulent mixture；
B, after pulverulent mixture being increased into 500-600 DEG C with 10 DEG C/min, 45-60min is incubated, then proceedes to be warming up to
650-700 DEG C, 20-30min is then incubated, naturally cools to room temperature；
C, add water mashing that the suspension that concentration is 30-45% is made the complex mineral filler of above-mentioned calcination processing, use is dense
Spend and adjust PH to 4-5 for 15-20% hydrochloric acid solution, heating water bath is to 70-80 DEG C, 1500-2000rpm speed lappings 10-
15min, the sodium hydroxide solution for being then 10-15% with concentration are neutralized to neutrality, stand 20-30min, filtering；
D, ethylene-vinyl acetate copolymer, the 25-35% polyester-type equivalent to pulverulent mixture weight 30-40% are taken
Polyurethane, 3-5% Dipentaerythritol Ester, the 2,4,4 '-three of 2-4% chloro- 2 '-dihydroxy diphenyl ethers, 4-6% stearic acid
Butyl ester, mix；
E, take methoxy poly (ethylene glycol) monomethacrylates equivalent to pulverulent mixture weight 3-5%, 2-4% it is poly-
Maleic acid is well mixed；
F, dried after being well mixed with the material of step c, step d, step e processing；
G, the mixed material input double screw extruder after drying is subjected to melt blending, then extruding pelletization, naturally cold
But to room temperature, as modified complex mineral filler.
Contrast and prior art, beneficial effect of the present invention are：
1st, multi-cable of the present invention is integrally buried, and will not be produced and be interfered between different types of cable, and need
When carrying out branch to cable, tearing tear strip can take out the wire for needing branch without influenceing oversheath 1 to other wires
Protection, it is convenient that branch is carried out to cable.
2nd, the outside of conductor of the present invention coats separation layer, conductor shield, inner insulating layer successively from inside to outside, can not only
Prevent from interfering between different types of cable, can also be lost after branch is carried out to cable the protection cable of oversheath according to
It is old to be adapted to external environment, it is not easy to deform, bend, can independently be applied.
3rd, the interior filling flame-retardant filler of the first groove of the invention, the second groove, by increasing capacitance it is possible to increase the anti-flammability of cable.
4th, oversheath of the present invention has excellent fire-retardant and insulating properties, and water-tolerant, shrinkage factor is low, dimensional stability
It is good, corrosion resistance and good, and there is mould-proof function.
5th, modified mineral filler is added in oversheath of the present invention, it is possible to increase tensile strength, tensile stress and break elongation
Rate, suppleness is high, stretch-proof effect is good, and the performance torn after the tear-proof of increase cable and freezing.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the present invention.
Accompanying drawing 2 is enlarged drawing at the A of accompanying drawing 1.
Accompanying drawing 3 is the structural representation of conductor.
Label shown in accompanying drawing：1st, oversheath；2nd, external insulation layer；3rd, tension SMIS；4th, the first supporting plate；41st, first tear
Tie rod；42nd, flame-retardant filler；5th, the first arc；6th, the second arc；7th, conductor；71st, separation layer；72nd, conductor shield；
73rd, inner insulating layer；74th, guide channel；8th, the second supporting plate；81st, the second tear strip；9th, connecting plate；91st, baffle plate.
Embodiment
With reference to the drawings and specific embodiments, the invention will be further described.It should be understood that these embodiments are merely to illustrate
The present invention rather than limitation the scope of the present invention.In addition, it is to be understood that after the content of the invention lectured has been read, this area
Technical staff can make various changes or modifications to the present invention, and these equivalent form of values equally fall within scope defined herein.
A kind of backbone cable for facilitating branch, including oversheath 1, external insulation layer 2, institute are arranged in the oversheath 1
State the centrally disposed tension SMIS 3 in external insulation layer 2, tension SMIS 3 is traction-resistant fibre beam or steel wire rope so that in cable by
Force is concentrated on tension SMIS 3, improves the tensile strength of cable.Annular array sets four first on the tension SMIS 3
Supporting plate 4, four the first supporting plates 4 will be divided into four receiving spaces in cross-shaped arrangement in external insulation layer 2, each receiving
Three wires are set, and multi-cable is integrally buried, will not produce and interfere between different types of cable so that every in space
Wire in individual receiving space can serve as individual branches.The side of first supporting plate 4 sets the first arc 5, institute
The opposite side for stating the first supporting plate 4 sets the second arc 6, the first arc 5, the second arc in same receiving space
The guide channel 74 that is engaged with wire is formed between plate 6, second arc 6 is elastic plate, can facilitate wire through from
Passed in and out in guide channel 74.The one end of first supporting plate 4 away from tension SMIS 3 sets the first groove, first groove
The first tear strip 41 of interior setting, one end away from the first supporting plate 4 of first arc 5 set the second supporting plate 8, and described the
The other end of two supporting plates 8 is connected with external insulation layer 2, the second groove of setting in second supporting plate 8, in second groove
Second tear strip 81 is set, connecting plate 9, the other end and the external insulation layer 2 of the connecting plate 9 are set on first arc 5
Connection, one end away from the first arc 5 of the connecting plate 9 set baffle plate 91, it is necessary to will need branch when carrying out point branch
The first tear strip 41, the second tear strip 81 of wire both sides, oversheath 1, external insulation are torn, and are needed from interior take out of guide channel 74
The wire of branch is wanted, the connecting plate 9 of the both sides of guide channel 74 is connected with external insulation layer 2, and baffle plate 91 can prevent external insulation layer 2
The first supporting plate 4 corresponding with other receiving spaces, the second supporting plate 8 separate, and oversheath 1, external insulation layer 2 are in connecting plate 9
The wire that the environmental protection of an opposing seal is not branched is still under support, quickly branched parallel wire can be carried out
Branch.
Preferably, the wire includes conductor 7, and the outside of the conductor 7 coats separation layer 71, conductor successively from inside to outside
Screen layer 72, inner insulating layer 73 so that it will not produce and interfere between wire, separation layer 71, conductor shielding after individual branches
Layer 72, inner insulating layer 73 continue to protect wire so that the wire after branch geographical can be run；Conductor shield 72 is logical
Cross braiding plating fiber and formed, lighter in weight, and there is high vibration damping characteristic, inner insulating layer can be prevented by conductor
Screen layer 72 wears；External insulation layer 2, inner insulating layer 73 are used with ethylene propylene diene rubber, EPM, modified EP rubbers
With thermoplasticity EP rubbers etc. for made of the EP rubbers of main component, separation layer 71 be high fire-retardance polyester belt isolation layer, increasing
Power up the anti-flammability of cable.
Preferably, filling flame-retardant filler 42 in first groove, the second groove, the anti-flammability of cable is increased.
Preferably, the oversheath includes following weight parts raw material：
Polyvinyl chloride resin 65-85 parts, glycol phthalate 10-20 parts, carbon black N660 20-30 parts, Tissuemat E 1-3
Part, calcium-zinc composite stabilizing agent 1-2 parts, calcium stearate 10-15 parts, modified mineral filler 8-16 parts, vinyltrimethoxy silane
10-15 parts, n-butyl sebacate 5-10 parts, castor oil 6-12 parts, methyl p-hydroxybenzoate 2-4 parts, antioxidant 1-2 parts,
Ethylene-vinyl acetate copolymer 8-16 parts, zinc stearate 2-4 parts, antioxidant 0.2-0.8 parts, AVM 70-90 parts, asarum
Fat element 5-15 parts and Dihydrocapsaicin 5-15 parts so that oversheath 1 has excellent fire-retardant and insulating properties, water-tolerant, receives
Shrinkage is low, good stability of the dimension, corrosion resistance and good, and has mould-proof function.
Preferably, the preparation method of the modified mineral filler is as follows：
A, by weight 50-80：5-10:3-6:2-4 weighs gangue, wollastonite, kaolin, pyrophillite, well mixed,
Crush, then be placed in ball milling in ball mill, obtain pulverulent mixture；
B, after pulverulent mixture being increased into 500-600 DEG C with 10 DEG C/min, 45-60min is incubated, then proceedes to be warming up to
650-700 DEG C, 20-30min is then incubated, naturally cools to room temperature；
C, add water mashing that the suspension that concentration is 30-45% is made the complex mineral filler of above-mentioned calcination processing, use is dense
Spend and adjust PH to 4-5 for 15-20% hydrochloric acid solution, heating water bath is to 70-80 DEG C, 1500-2000rpm speed lappings 10-
15min, the sodium hydroxide solution for being then 10-15% with concentration are neutralized to neutrality, stand 20-30min, filtering；
D, ethylene-vinyl acetate copolymer, the 25-35% polyester-type equivalent to pulverulent mixture weight 30-40% are taken
Polyurethane, 3-5% Dipentaerythritol Ester, the 2,4,4 '-three of 2-4% chloro- 2 '-dihydroxy diphenyl ethers, 4-6% stearic acid
Butyl ester, mix；
E, take methoxy poly (ethylene glycol) monomethacrylates equivalent to pulverulent mixture weight 3-5%, 2-4% it is poly-
Maleic acid is well mixed；
F, dried after being well mixed with the material of step c, step d, step e processing；
G, the mixed material input double screw extruder after drying is subjected to melt blending, oversheath 1 is modified, so
Extruding pelletization afterwards, room temperature is naturally cooled to, as modified complex mineral filler.The modified complex mineral of addition is filled out in oversheath 1
Material is modified to oversheath 1, it is possible to increase tensile strength, tensile stress and the elongation rate of tensile failure of cable, suppleness is high, tension
Stretch that effect is good and the performance that tears after the tear-proof of increase cable and freezing.
Embodiment 1：
A kind of backbone cable for facilitating branch, including oversheath 1, external insulation layer 2, institute are arranged in the oversheath 1
State the centrally disposed tension SMIS 3 in external insulation layer 2, tension SMIS 3 is traction-resistant fibre beam or steel wire rope so that in cable by
Force is concentrated on tension SMIS 3, improves the tensile strength of cable.Annular array sets four first on the tension SMIS 3
Supporting plate 4, four the first supporting plates 4 will be divided into four receiving spaces in cross-shaped arrangement in external insulation layer 2, each receiving
Three wires are set, and multi-cable is integrally buried, will not produce and interfere between different types of cable so that every in space
Wire in individual receiving space can serve as individual branches.The wire includes conductor 7, and the outside of the conductor 7 is by introversion
Coat separation layer 71, conductor shield 72, inner insulating layer 73 successively outside so that it will not produce and interfere between wire, it is independent
Separation layer 71, conductor shield 72, inner insulating layer 73 continue to protect wire after branch so that the wire after branch can
Geography operation；External insulation layer 2, inner insulating layer 73 are used with ethylene propylene diene rubber, EPM, modified EP rubbers and heat
Plasticity EP rubbers etc. is made of the EP rubbers of main component, separation layer 71 is high fire-retardance polyester belt isolation layer, increase electricity
The anti-flammability of cable.The side of first supporting plate 4 sets the first arc 5, and the opposite side of first supporting plate 4 sets the
Two arcs 6, leading of being engaged with wire is formed between the first arc 5, the second arc 6 in same receiving space
To passage 74, second arc 6 is elastic plate, and wire can be facilitated to pass through and passed in and out out of guide channel 74.Described first
One end setting first groove of the fagging 4 away from tension SMIS 3, first groove the first tear strip 41 of interior setting, described first
The one end of arc 5 away from the first supporting plate 4 sets the second supporting plate 8, the other end and external insulation layer of second supporting plate 8
2 connections, second supporting plate 8 is interior to set the second groove, and the second tear strip 81, first arc are set in second groove
Connecting plate 9 is set on shape plate 5, and the other end of the connecting plate 9 is connected with external insulation layer 2, and the connecting plate 9 is away from the first arc
One end of plate 5 sets baffle plate 91, fills flame-retardant filler 42 in first groove, the second groove, increases the anti-flammability of cable,
After wire branch oversheath 1, external insulation layer 2 be still under the support of connecting plate 9 environmental protection of an opposing seal not by
The wire of branch, branch quickly can be carried out to branched parallel wire.
Embodiment 2：
A kind of backbone cable for facilitating branch, including oversheath 1, external insulation layer 2, institute are arranged in the oversheath 1
State the centrally disposed tension SMIS 3 in external insulation layer 2, tension SMIS 3 is traction-resistant fibre beam or steel wire rope so that in cable by
Force is concentrated on tension SMIS 3, improves the tensile strength of cable.Annular array sets four first on the tension SMIS 3
Supporting plate 4, four the first supporting plates 4 will be divided into four receiving spaces in cross-shaped arrangement in external insulation layer 2, each receiving
Three wires are set, and multi-cable is integrally buried, will not produce and interfere between different types of cable so that every in space
Wire in individual receiving space can serve as individual branches.The side of first supporting plate 4 sets the first arc 5, institute
The opposite side for stating the first supporting plate 4 sets the second arc 6, the first arc 5, the second arc in same receiving space
The guide channel 74 that is engaged with wire is formed between plate 6, second arc 6 is elastic plate, can facilitate wire through from
Passed in and out in guide channel 74.The one end of first supporting plate 4 away from tension SMIS 3 sets the first groove, first groove
The first tear strip 41 of interior setting, one end away from the first supporting plate 4 of first arc 5 set the second supporting plate 8, and described the
The other end of two supporting plates 8 is connected with external insulation layer 2, the second groove of setting in second supporting plate 8, in second groove
Second tear strip 81 is set, connecting plate 9, the other end and the external insulation layer 2 of the connecting plate 9 are set on first arc 5
Connection, the one end of the connecting plate 9 away from the first arc 5 set baffle plate 91, and it is former that the oversheath 1 includes following weight parts
Material：85 parts of polyvinyl chloride resin, 20 parts of glycol phthalate, 30 parts of carbon black N660,3 parts of Tissuemat E, Ca Zn composite are stable
2 parts of agent, 15 parts of calcium stearate, 16 parts of modified mineral filler, 15 parts of vinyltrimethoxy silane, n-butyl sebacate 10
Part, 12 parts of castor oil, 4 parts of methyl p-hydroxybenzoate, 2 parts of antioxidant, 16 parts of ethylene-vinyl acetate copolymer, zinc stearate 4
Part, 0.8 part of antioxidant, 15 parts of 90 parts of AVM, 15 parts of asarinin and Dihydrocapsaicin so that oversheath 1 has excellent
Fire-retardant and insulating properties, water-tolerant, shrinkage factor is low, good stability of the dimension, corrosion resistance and good, and has mould proof work(
Energy.The preparation method of the modified mineral filler is as follows：A, by weight 80：10:6:4 weigh gangue, wollastonite, kaolinite
Soil, pyrophillite are well mixed, and are crushed, then are placed in ball milling in ball mill, obtain pulverulent mixture；B, by pulverulent mixture with 10 DEG C/
After min is increased to 600 DEG C, 60min is incubated, then proceedes to be warming up to 700 DEG C, is then incubated 30min, naturally cools to room temperature；
C, add water mashing that the suspension that concentration is 30-45% is made the complex mineral filler of above-mentioned calcination processing, be 15- with concentration
20% hydrochloric acid solution regulation PH to 4-5, heating water bath is to 70-80 DEG C, 1500-2000rpm speed lapping 10-15min, then
The sodium hydroxide solution for being 10-15% with concentration is neutralized to neutrality, stands 30min, filtering；D, take equivalent to pulverulent mixture weight
Amount 40% ethylene-vinyl acetate copolymer, 35% PAUR, 5% Dipentaerythritol Ester, the 2 of 4%,
4,4 '-three chloro- 2 '-dihydroxy diphenyl ethers, 6% butyl stearate, mix；E, the first equivalent to pulverulent mixture weight 5% is taken
Epoxide polyethylene glycol monomethacrylate, 2-4% poly are well mixed；F, with step c, step d, step e processing
Material it is well mixed after dry；G, the mixed material input double screw extruder after drying is subjected to melt blending, then squeezed
Go out to be granulated, naturally cool to room temperature, as modified complex mineral filler.The modified complex mineral filler of addition, energy in oversheath 1
Tensile strength, tensile stress and the elongation rate of tensile failure of cable are enough improved, suppleness is high, stretch-proof effect is good and increases the anti-of cable
The performance torn after tear and freezing.
Embodiment 3：
A kind of backbone cable for facilitating branch, including oversheath 1, external insulation layer 2, institute are arranged in the oversheath 1
State the centrally disposed tension SMIS 3 in external insulation layer 2, tension SMIS 3 is traction-resistant fibre beam or steel wire rope so that in cable by
Force is concentrated on tension SMIS 3, improves the tensile strength of cable.Annular array sets four first on the tension SMIS 3
Supporting plate 4, four the first supporting plates 4 will be divided into four receiving spaces in cross-shaped arrangement in external insulation layer 2, each receiving
Three wires are set, and multi-cable is integrally buried, will not produce and interfere between different types of cable so that every in space
Wire in individual receiving space can serve as individual branches.The side of first supporting plate 4 sets the first arc 5, institute
The opposite side for stating the first supporting plate 4 sets the second arc 6, the first arc 5, the second arc in same receiving space
The guide channel 74 that is engaged with wire is formed between plate 6, second arc 6 is elastic plate, can facilitate wire through from
Passed in and out in guide channel 74.The one end of first supporting plate 4 away from tension SMIS 3 sets the first groove, first groove
The first tear strip 41 of interior setting, one end away from the first supporting plate 4 of first arc 5 set the second supporting plate 8, and described the
The other end of two supporting plates 8 is connected with external insulation layer 2, the second groove of setting in second supporting plate 8, in second groove
Second tear strip 81 is set, connecting plate 9, the other end and the external insulation layer 2 of the connecting plate 9 are set on first arc 5
Connection, the one end of the connecting plate 9 away from the first arc 5 set baffle plate 91, and it is former that the oversheath 1 includes following weight parts
Material：70 parts of polyvinyl chloride resin, 15 parts of glycol phthalate, 25 parts of carbon black N660,2 parts of Tissuemat E, Ca Zn composite are stable
1.5 parts of agent, 13 parts of calcium stearate, 12 parts of modified mineral filler, 12 parts of vinyltrimethoxy silane, n-butyl sebacate 8
Part, 8 parts of castor oil, 3 parts of methyl p-hydroxybenzoate, 1.5 parts of antioxidant, 10 parts of ethylene-vinyl acetate copolymer, zinc stearate
3 parts, 0.6 part of antioxidant, 10 parts of 80 parts of AVM, 12 parts of asarinin and Dihydrocapsaicin so that oversheath 1 has excellent
Fire-retardant and insulating properties, water-tolerant, shrinkage factor is low, good stability of the dimension, corrosion resistance and good, and has mould proof work(
Energy.The preparation method of the modified mineral filler is as follows：A, by weight 60：8:5:3 weigh gangue, wollastonite, kaolin,
Pyrophillite is well mixed, and is crushed, then is placed in ball milling in ball mill, obtains pulverulent mixture；B, by pulverulent mixture with 10 DEG C/min
After being increased to 550 DEG C, 50min is incubated, then proceedes to be warming up to 680 DEG C, is then incubated 25min, naturally cools to room temperature；C, will
The complex mineral filler of above-mentioned calcination processing adds water mashing that the suspension that concentration is 38%, the salt for being 15-20% with concentration is made
Acid solution adjusts PH to 4-5, and heating water bath 1500-2000rpm speed lapping 10-15min, is then with concentration to 70-80 DEG C
10-15% sodium hydroxide solution is neutralized to neutrality, stands 20-30min, filtering；D, take equivalent to pulverulent mixture weight
35% ethylene-vinyl acetate copolymer, 30% PAUR, 4% Dipentaerythritol Ester, the 2,4 of 3%,
4 '-three chloro- 2 '-dihydroxy diphenyl ethers, 5% butyl stearate, mix；E, the methoxy equivalent to pulverulent mixture weight 4% is taken
Base polyethylene glycol monomethacrylate, 2-4% poly are well mixed；F, handled with step c, step d, step e
Dried after material is well mixed；G, the mixed material input double screw extruder after drying is subjected to melt blending, then extruded
It is granulated, naturally cools to room temperature, as modified complex mineral filler.The modified complex mineral filler of addition in oversheath 1, can
Tensile strength, tensile stress and the elongation rate of tensile failure of cable are improved, suppleness is high, stretch-proof effect is good and increases the anti-tear of cable
The performance split and torn after freezing.
Embodiment 4：
A kind of backbone cable for facilitating branch, including oversheath 1, external insulation layer 2, institute are arranged in the oversheath 1
State the centrally disposed tension SMIS 3 in external insulation layer 2, tension SMIS 3 is traction-resistant fibre beam or steel wire rope so that in cable by
Force is concentrated on tension SMIS 3, improves the tensile strength of cable.Annular array sets four first on the tension SMIS 3
Supporting plate 4, four the first supporting plates 4 will be divided into four receiving spaces in cross-shaped arrangement in external insulation layer 2, each receiving
Three wires are set, and multi-cable is integrally buried, will not produce and interfere between different types of cable so that every in space
Wire in individual receiving space can serve as individual branches.The side of first supporting plate 4 sets the first arc 5, institute
The opposite side for stating the first supporting plate 4 sets the second arc 6, the first arc 5, the second arc in same receiving space
The guide channel 74 that is engaged with wire is formed between plate 6, second arc 6 is elastic plate, can facilitate wire through from
Passed in and out in guide channel 74.The one end of first supporting plate 4 away from tension SMIS 3 sets the first groove, first groove
The first tear strip 41 of interior setting, one end away from the first supporting plate 4 of first arc 5 set the second supporting plate 8, and described the
The other end of two supporting plates 8 is connected with external insulation layer 2, the second groove of setting in second supporting plate 8, in second groove
Second tear strip 81 is set, connecting plate 9, the other end and the external insulation layer 2 of the connecting plate 9 are set on first arc 5
Connection, the one end of the connecting plate 9 away from the first arc 5 set baffle plate 91, and it is former that the oversheath 1 includes following weight parts
Material：65 parts of polyvinyl chloride resin, 10 parts of glycol phthalate, 20 parts of carbon black N660,1 part of Tissuemat E, Ca Zn composite are stable
1 part of agent, calcium stearate 10- parts, 8 parts of modified mineral filler, 10 parts of vinyltrimethoxy silane, 5 parts of n-butyl sebacate,
6 parts of castor oil, 2 parts of methyl p-hydroxybenzoate, 1 part of antioxidant, 8 parts of ethylene-vinyl acetate copolymer, 2 parts of zinc stearate, 2
Part, 0.2 part of antioxidant, 5 parts of 70 parts of AVM, 5 parts of asarinin and Dihydrocapsaicin so that oversheath 1 has excellent
Fire-retardant and insulating properties, water-tolerant, shrinkage factor is low, good stability of the dimension, corrosion resistance and good, and has mould-proof function.
The preparation method of the modified mineral filler is as follows：A, by weight 50：5:3:2 weigh gangue, wollastonite, kaolin, leaf
Cured stone is well mixed, and is crushed, then is placed in ball milling in ball mill, obtains pulverulent mixture；B, by pulverulent mixture with 10 DEG C/min liters
After up to 500 DEG C, 45min is incubated, then proceedes to be warming up to 650 DEG C, is then incubated 20min, naturally cools to room temperature；C, will be upper
The complex mineral filler for stating calcination processing adds water mashing that the suspension that concentration is 30%, the hydrochloric acid for being 15-20% with concentration is made
Solution adjusts PH to 4-5, and heating water bath 1500-2000rpm speed lapping 10-15min, is then with concentration to 70-80 DEG C
10-15% sodium hydroxide solution is neutralized to neutrality, stands 20min, filtering；D, take equivalent to pulverulent mixture weight 30%
Ethylene-vinyl acetate copolymer, 25% PAUR, 3% Dipentaerythritol Ester, the 2,4,4 '-three of 2%
Chloro- 2 '-dihydroxy diphenyl ether, 4% butyl stearate, mix；E, the poly- second of methoxyl group equivalent to pulverulent mixture weight 3% is taken
Monomethacryiate, 2% poly are well mixed；F, the material with step c, step d, step e processing mixes
Dried after uniformly；G, the mixed material input double screw extruder after drying is subjected to melt blending, then extruding pelletization, natural
Room temperature is cooled to, as modified complex mineral filler.The modified complex mineral filler of addition in oversheath 1, it is possible to increase cable
Tensile strength, tensile stress and elongation rate of tensile failure, suppleness is high, stretch-proof effect is good and increases tear-proof and the freezing of cable
The performance torn afterwards.
Claims (5)
1. a kind of backbone cable for facilitating branch, including oversheath (1), it is characterised in that：It is arranged in the oversheath (1)
External insulation layer (2), the centrally disposed tension SMIS (3) in the external insulation layer (2), annular array on the tension SMIS (3)
Four the first supporting plates (4) are set, and four the first supporting plates (4) will be divided into four in cross-shaped arrangement in external insulation layer (2)
Receiving space, each receiving space is interior to set three wires, and the side of first supporting plate (4) sets the first arc
(5), the opposite side of first supporting plate (4) sets the second arc (6), and second arc (6) is elastic plate, is located at
The guide channel being engaged with wire is formed between the first arc (5), the second arc (6) in same receiving space
(74), the one end of first supporting plate (4) away from tension SMIS (3) sets the first groove, and the is set in first groove
One tear strip (41), the one end of first arc (5) away from the first supporting plate (4) set the second supporting plate (8), and described the
The other end of two supporting plates (8) is connected with external insulation layer (2), the second groove of setting in second supporting plate (8), and described second
Second tear strip (81) is set in groove, connecting plate (9) is set on first arc (5), the connecting plate (9) it is another
End is connected with external insulation layer (2), and the one end of the connecting plate (9) away from the first arc (5) sets baffle plate (91).
A kind of 2. backbone cable for facilitating branch according to claim 1, it is characterised in that：The wire includes leading
Body (7), the outside of the conductor (7) coat separation layer (71), conductor shield (72), inner insulating layer successively from inside to outside
(73), the separation layer (71) is high fire-retardance polyester belt isolation layer.
A kind of 3. backbone cable for facilitating branch according to claim 1, it is characterised in that：First groove,
Filling flame-retardant filler (42) in second groove.
A kind of 4. backbone cable for facilitating branch according to claim 1, it is characterised in that：The oversheath includes
Following weight parts raw material：
Polyvinyl chloride resin 65-85 parts, glycol phthalate 10-20 parts, carbon black N660 20-30 parts, Tissuemat E 1-3 parts,
Calcium-zinc composite stabilizing agent 1-2 parts, calcium stearate 10-15 parts, modified mineral filler 8-16 parts, vinyltrimethoxy silane 10-
15 parts, n-butyl sebacate 5-10 parts, castor oil 6-12 parts, methyl p-hydroxybenzoate 2-4 parts, antioxidant 1-2 parts, second
Alkene-acetate ethylene copolymer 8-16 parts, zinc stearate 2-4 parts, antioxidant 0.2-0.8 parts, AVM 70-90 parts, asarum fat
Plain 5-15 parts and Dihydrocapsaicin 5-15 parts.
A kind of 5. backbone cable for facilitating branch according to claim 1, it is characterised in that：The modified mineral is filled out
The preparation method of material is as follows：
A, by weight 50-80：5-10:3-6:2-4 weighs gangue, wollastonite, kaolin, pyrophillite and is well mixed, and crushes,
Ball milling in ball mill is placed in again, obtains pulverulent mixture；
B, after pulverulent mixture being increased into 500-600 DEG C with 10 DEG C/min, 45-60min is incubated, then proceedes to be warming up to 650-
700 DEG C, 20-30min is then incubated, naturally cools to room temperature；
C, add water mashing that the suspension that concentration is 30-45% is made the complex mineral filler of above-mentioned calcination processing, be with concentration
15-20% hydrochloric acid solution regulation PH to 4-5, heating water bath to 70-80 DEG C, 1500-2000rpm speed lapping 10-15min,
Then the sodium hydroxide solution for being 10-15% with concentration is neutralized to neutrality, stands 20-30min, filtering.
D, ethylene-vinyl acetate copolymer, the poly- ammonia of 25-35% polyester-type equivalent to pulverulent mixture weight 30-40% are taken
Ester, 3-5% Dipentaerythritol Ester, the 2,4,4 '-three of 2-4% chloro- 2 '-dihydroxy diphenyl ethers, 4-6% stearic acid fourth
Ester, mix；
E, methoxy poly (ethylene glycol) monomethacrylates equivalent to pulverulent mixture weight 3-5%, 2-4% poly- Malaysia are taken
Acid is well mixed；
F, dried after being well mixed with the material of step c, step d, step e processing；
G, the mixed material input double screw extruder after drying is subjected to melt blending, then extruding pelletization, is naturally cooled to
Room temperature, as modified complex mineral filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711079314.5A CN107731367B (en) | 2017-11-06 | 2017-11-06 | Main line cable convenient for branching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711079314.5A CN107731367B (en) | 2017-11-06 | 2017-11-06 | Main line cable convenient for branching |
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| CN107731367A true CN107731367A (en) | 2018-02-23 |
| CN107731367B CN107731367B (en) | 2023-11-03 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH589735A5 (en) * | 1974-05-02 | 1977-07-15 | Bonas Machine Co | |
| CN103928135A (en) * | 2014-04-26 | 2014-07-16 | 芜湖航天特种电缆厂 | Multi-core cable |
| CN103943216A (en) * | 2014-04-26 | 2014-07-23 | 芜湖航天特种电缆厂 | Anti-bite isolated cable |
| CN104017304A (en) * | 2014-06-01 | 2014-09-03 | 上海韬鸿化工科技有限公司 | Cold-resistant sheath material and cable |
| CN104134487A (en) * | 2014-09-01 | 2014-11-05 | 晶锋集团股份有限公司 | Isolated cable |
| CN204045233U (en) * | 2014-09-05 | 2014-12-24 | 苏州洛特兰新材料科技有限公司 | A kind of three-phase wire being convenient to connect up |
| CN105655032A (en) * | 2014-07-21 | 2016-06-08 | 蔡洪祥 | Microchannel structure cable used for electric power or communication |
| CN106057342A (en) * | 2016-07-25 | 2016-10-26 | 苏州东威连接器电子有限公司 | Pre-branch cable |
| CN207587411U (en) * | 2017-11-06 | 2018-07-06 | 大连理工高邮研究院有限公司 | A kind of backbone cable for facilitating branch |
-
2017
- 2017-11-06 CN CN201711079314.5A patent/CN107731367B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH589735A5 (en) * | 1974-05-02 | 1977-07-15 | Bonas Machine Co | |
| CN103928135A (en) * | 2014-04-26 | 2014-07-16 | 芜湖航天特种电缆厂 | Multi-core cable |
| CN103943216A (en) * | 2014-04-26 | 2014-07-23 | 芜湖航天特种电缆厂 | Anti-bite isolated cable |
| CN104017304A (en) * | 2014-06-01 | 2014-09-03 | 上海韬鸿化工科技有限公司 | Cold-resistant sheath material and cable |
| CN105655032A (en) * | 2014-07-21 | 2016-06-08 | 蔡洪祥 | Microchannel structure cable used for electric power or communication |
| CN104134487A (en) * | 2014-09-01 | 2014-11-05 | 晶锋集团股份有限公司 | Isolated cable |
| CN204045233U (en) * | 2014-09-05 | 2014-12-24 | 苏州洛特兰新材料科技有限公司 | A kind of three-phase wire being convenient to connect up |
| CN106057342A (en) * | 2016-07-25 | 2016-10-26 | 苏州东威连接器电子有限公司 | Pre-branch cable |
| CN207587411U (en) * | 2017-11-06 | 2018-07-06 | 大连理工高邮研究院有限公司 | A kind of backbone cable for facilitating branch |
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| Publication number | Publication date |
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| CN107731367B (en) | 2023-11-03 |
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