CN116741440A - Bus cable for high-flexibility drag chain and production method thereof - Google Patents
Bus cable for high-flexibility drag chain and production method thereof Download PDFInfo
- Publication number
- CN116741440A CN116741440A CN202310837604.0A CN202310837604A CN116741440A CN 116741440 A CN116741440 A CN 116741440A CN 202310837604 A CN202310837604 A CN 202310837604A CN 116741440 A CN116741440 A CN 116741440A
- Authority
- CN
- China
- Prior art keywords
- layer
- polyvinyl chloride
- wall
- preparing
- cable
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 46
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 46
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000003063 flame retardant Substances 0.000 claims abstract description 27
- 239000004020 conductor Substances 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000005187 foaming Methods 0.000 claims abstract description 9
- 238000011049 filling Methods 0.000 claims abstract description 5
- 239000004698 Polyethylene Substances 0.000 claims description 27
- -1 polyethylene Polymers 0.000 claims description 27
- 229920000573 polyethylene Polymers 0.000 claims description 27
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 24
- 238000002360 preparation method Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 15
- 238000005260 corrosion Methods 0.000 claims description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 12
- 229920001684 low density polyethylene Polymers 0.000 claims description 12
- 239000004702 low-density polyethylene Substances 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 9
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical group CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000000314 lubricant Substances 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 8
- 239000003999 initiator Substances 0.000 claims description 7
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 claims description 6
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 6
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 6
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 claims description 6
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 6
- 239000011888 foil Substances 0.000 claims description 6
- OCWMFVJKFWXKNZ-UHFFFAOYSA-L lead(2+);oxygen(2-);sulfate Chemical compound [O-2].[O-2].[O-2].[Pb+2].[Pb+2].[Pb+2].[Pb+2].[O-]S([O-])(=O)=O OCWMFVJKFWXKNZ-UHFFFAOYSA-L 0.000 claims description 6
- 239000000178 monomer Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 239000012188 paraffin wax Substances 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000004636 vulcanized rubber Substances 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- 230000003213 activating effect Effects 0.000 claims description 3
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 3
- 239000003963 antioxidant agent Substances 0.000 claims description 3
- 230000003078 antioxidant effect Effects 0.000 claims description 3
- 238000000071 blow moulding Methods 0.000 claims description 3
- 238000009954 braiding Methods 0.000 claims description 3
- 238000003490 calendering Methods 0.000 claims description 3
- 238000004132 cross linking Methods 0.000 claims description 3
- 239000003431 cross linking reagent Substances 0.000 claims description 3
- 230000001804 emulsifying effect Effects 0.000 claims description 3
- 239000004088 foaming agent Substances 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 239000000693 micelle Substances 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 239000002667 nucleating agent Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 239000004014 plasticizer Substances 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000000137 annealing Methods 0.000 claims 1
- 238000004939 coking Methods 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 238000002844 melting Methods 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract description 3
- 239000003513 alkali Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- 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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
-
- 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
- H01B7/0225—Three or more 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
- H01B7/1875—Multi-layer sheaths
-
- 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
- H01B7/29—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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a bus cable for a high-flexibility drag chain and a production method thereof, the bus cable comprises a polyvinyl chloride outer sheath, wherein the inner wall of the polyvinyl chloride outer sheath is fixedly connected with a flame-retardant layer, the inner wall of the flame-retardant layer is fixedly connected with a shielding layer, the inner wall of the shielding layer is fixedly connected with an insulating layer, the inner wall of the insulating layer is fixedly connected with a polyvinyl chloride inner sheath, the inner cavity of the polyvinyl chloride inner sheath is filled with filling materials, and the inner cavity of the polyvinyl chloride inner sheath is fixedly connected with a main conductor and an auxiliary conductor. According to the bus cable for the high-flexibility towline and the production method thereof, through the arranged insulating layer, the solution strength, the electrical property and the mechanical property are excellent, the processing is simple, the foaming processing property is good, and through the arranged flame-retardant layer, the whole bus cable has a good melting point and a strong mechanical property, and the internal structure is compact, so that a coking structure which is relatively easy to enter a mould is formed, and softening and dripping phenomena are not easy to occur during combustion.
Description
Technical Field
The invention relates to the field of bus cables, in particular to a bus cable for a high-flexibility drag chain and a production method thereof.
Background
The drag chain cable is a high-flexibility special cable which can move back and forth along with the drag chain and is not easy to wear, and is also commonly called a drag cable, and the tank chain cable can be used for preventing the cable from entanglement, abrasion, pull-off, hanging and scattering in the occasion that the equipment unit needs to move back and forth, the cable is usually put into the cable drag chain to protect the cable, and the cable can also move back and forth along with the drag chain.
When the conventional drag chain cable is produced, the insulating layer is mostly made of common materials, so that the conventional drag chain cable is enough to support the movement of the drag chain cable, the wear resistance and the compressive strength of the conventional drag chain cable cannot be further improved, and the conventional drag chain cable is likely to be worn out to cause the normal operation of the insulating layer when in use.
Therefore, it is necessary to provide a bus cable for a highly flexible drag chain and a method for producing the same to solve the above problems.
Disclosure of Invention
The invention mainly aims to provide a bus cable for a high-flexibility drag chain and a production method thereof, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a high flexibility is bus cable for tow chain, includes polyvinyl chloride oversheath, its characterized in that: the inner wall fixedly connected with flame retardant coating of polyvinyl chloride oversheath, the inner wall fixedly connected with shielding layer of flame retardant coating, the inner wall fixedly connected with insulating layer of shielding layer, the inner wall fixedly connected with polyvinyl chloride inner sheath of insulating layer, the packing has the filler in the inner chamber of polyvinyl chloride inner sheath, fixedly connected with owner conductor and auxiliary conductor in the inner chamber of polyvinyl chloride inner sheath, fixedly connected with buffer layer in the inner chamber of polyvinyl chloride oversheath, symmetrical fixedly connected with enhancement layer and anti-corrosion layer in buffer layer and the inner chamber of polyvinyl chloride oversheath.
A method of producing a bus cable for a highly flexible tow chain, comprising the following steps:
s1: preparation of polyvinyl chloride sheath: adding 90mL of water into a 250mL four-neck flask with a stirrer, a thermometer and a condenser, starting the stirrer to invert PVA, heating to about 9O ℃ and then maintaining until PVA is completely dissolved, then cooling to below 60 ℃, adding 1g of OP-10 and 1g of octanol, stirring for 10-15min after the addition is completed, fully emulsifying to form micelles, then adding 10mL of vinyl acetate monomer and 5-6mL of 10% ammonium persulfate solution, heating to about 65 ℃, slowly heating at right time, activating, starting a reflux phenomenon, controlling the reaction temperature to be about 20min, then dropwise adding vinyl acetate monomer 35mL for 45min, uniformly dropwise adding the vinyl acetate monomer, controlling the reaction temperature to be between 80 and 90 ℃, adding 0.5g of initiator every 15min when dropwise adding the monomer, completely adding the rest initiator solution after dropwise adding the monomer, then keeping the temperature to be between 85 and 95 ℃ for half an hour, cooling to below 40 ℃, adding 5g of ethylene glycol, controlling the pH to be 5g, controlling the pH to be between 5 and 6, and preparing polyvinyl chloride cable, and preparing the cable into the cable after the cable is matched with the cable;
s2: preparation of the flame retardant layer: blending high-density polyethylene, ethylene propylene diene monomer and a low-halogen flame retardant on an open mill, adding 0.5 part of antioxidant and 2 parts of crosslinking sensitizer into every 100 parts of resin, pressing into a sheet on a flat vulcanizing machine at 150 ℃ and 3mm thick, and molding after completely cooling until a sleeve-shaped material matched with the size of a cable flame retardant layer is prepared;
s3: preparation of a shielding layer: preparing aluminum foil and tinned copper, and performing mixed braiding treatment until the aluminum foil and tinned copper braided wire structure is formed;
s4: preparation of an insulating layer: uniformly grinding an accelerator, a cross-linking agent and a foaming agent in a mortar, and sequentially placing 10 parts of LDPE (low-density polyethylene) tree, 2 parts of a lubricant, 6 parts of a filler, 2 parts of light calcium carbonate and 3 parts of talcum powder into a double-spoke machine for plasticating, wherein the plasticating process comprises the following steps: the roller temperature is 115-125 ℃, and the roller speed ratio is 1:1.35, the rolling time is 6min, the roller spacing is 0.2-0.5mm, and the obtained material is pressed and foamed on a flat vulcanizing machine, and the process comprises the following steps: the method comprises the steps of preparing low-linearity low-density foamed polyethylene by using 15 parts of LDPE (low-density polyethylene) resin, 6 parts of lubricant, 12 parts of filler, 4 parts of light calcium carbonate and 6 parts of talcum powder according to the same process, preparing low-linearity low-density foamed polyethylene by using the same process, blending the low-linearity low-density foamed polyethylene with a nucleating agent, preparing a foaming material, preparing an outer skin layer of the insulating layer by using the high-density foamed polyethylene, preparing an intermediate layer by using the foaming material, and preparing an inner skin layer by using the low-linearity low-density foamed polyethylene, wherein the temperature is 170-180 ℃, the pressure is 3-5mpa, the pressing time is 8-12min, and the cooling and shaping time is 5-6 min;
s5: preparation of the reinforcing layer: preparing a stainless steel belt, winding the stainless steel belt into a size matched with the inner cavity of the polyethylene outer sheath, and placing the stainless steel belt for later use;
s6: preparation of the anticorrosive layer: preparing tribasic lead sulfate, hard lead, barium stearate, paraffin, calcium carbonate, dioctyl phthalate, a stabilizer, a lubricant and a plasticizer, placing the tribasic lead sulfate, the hard lead, the barium stearate, the paraffin, the calcium carbonate and the dioctyl phthalate into a stirring barrel for mixing treatment, fully and uniformly mixing, carrying out mixing treatment, completing plasticization, carrying out calendaring, extrusion and blow molding after plasticization, carrying out granulation treatment, and carrying out molding treatment after granulation treatment, thereby completing the preparation of an anti-corrosion layer;
s7: preparation of the buffer layer: preparing an aluminum sleeve and a wrapping belt, and sequentially winding the aluminum sleeve and the wrapping belt on the outer wall of the anti-corrosion layer to form a buffer layer;
s8: production of bus cable for high-flexibility drag chain: the method comprises the steps of intertwisting a main conductor and an auxiliary conductor, fixedly bonding a reinforcing layer to the outer wall of an inner cavity of a polyvinyl chloride outer sheath, winding a buffer layer to the outer wall of an anti-corrosion layer, fixedly bonding the reinforcing layer to the anti-corrosion layer, wrapping a polyvinyl chloride inner sheath to the outer side of the inner sheath, filling a filler which takes vulcanized rubber strips as materials into the inner cavity of the polyvinyl chloride inner sheath, fixedly bonding an insulating layer to the outer wall of the polyvinyl chloride inner sheath, fixedly bonding a shielding layer to the outer wall of the insulating layer, fixedly bonding a flame-retardant layer to the outer wall of the shielding layer, and fixedly bonding the polyvinyl chloride outer sheath to the outer wall of the flame-retardant layer, thereby completing the production work of the bus cable for the high-flexibility drag chain.
Preferably, the filler is a vulcanized rubber strip, and the main conductor and the auxiliary conductor are annealed bare copper stranded conductors formed by stranding annealed bare copper.
Advantageous effects
Compared with the prior art, the invention provides the bus cable for the high-flexibility drag chain and the production method thereof, and the bus cable has the following beneficial effects:
1. according to the bus cable for the high-flexibility drag chain and the production method thereof, the insulating layer is prepared from three layers of materials, the outer skin layer is made of high-density foamed polyethylene, the wear resistance of an insulating wire core can be improved, the middle layer is made of foamed materials, the whole compressive strength and dielectric strength of the insulating layer can be improved, the inner skin layer is made of low-linearity low-density foamed polyethylene, the adhesion force between the inner skin layer and a conductor can be effectively improved, when the bus cable is used as the insulating layer of the cable, the solution strength, the electrical property and the mechanical property of the cable are excellent, the processing is simpler, the foaming processing property is better, the whole melting point and the strong mechanical property are better through the arranged flame retardant layer, the inner structure is compact, the coking structure which is easy to form into a mould is formed, so that softening and dripping phenomena are not easy to occur during combustion, and the prepared cable has better mechanical property, excellent dielectric strength, alkali resistance and oil resistance, flame retardance and good manufacturability.
Drawings
FIG. 1 is a schematic view of the front face of the present invention;
fig. 2 is an enlarged view of the invention at a in fig. 1.
In the figure: 1. a polyethylene outer jacket; 2. a flame retardant layer; 3. a shielding layer; 4. an insulating layer; 5. a polyethylene inner jacket; 6. a filler; 7. a main conductor; 8. a secondary conductor; 9. a buffer layer; 10. a reinforcing layer; 11. and an anti-corrosion layer.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1-2, a bus cable for a highly flexible drag chain comprises a polyvinyl chloride outer sheath 1, and is characterized in that: the inner wall fixedly connected with flame retardant coating 2 of polyvinyl chloride oversheath 1, the inner wall fixedly connected with shielding layer 3 of flame retardant coating 2, the inner wall fixedly connected with insulating layer 4 of shielding layer 3, the inner wall fixedly connected with polyvinyl chloride oversheath 5 of insulating layer 4, the packing material 6 has been filled in the inner chamber of polyvinyl chloride oversheath 5, fixedly connected with owner conductor 7 and auxiliary conductor 8 in the inner chamber of polyvinyl chloride oversheath 5, fixedly connected with buffer layer 9 in the inner chamber of polyvinyl chloride oversheath 1, symmetrical fixedly connected with enhancement layer 10 and anticorrosion layer 11 in buffer layer 9 and the inner chamber of polyvinyl chloride oversheath 1.
As shown in fig. 1-2, a method for producing a bus cable for a highly flexible drag chain includes the following steps:
s1: preparation of polyvinyl chloride sheath: adding 90mL of water into a 250mL four-neck flask with a stirrer, a thermometer and a condenser, starting the stirrer to invert PVA, heating to about 9O ℃ and then maintaining until PVA is completely dissolved, then cooling to below 60 ℃, adding 1g of OP-10 and 1g of octanol, stirring for 10-15min after the addition is completed, fully emulsifying to form micelles, then adding 10mL of vinyl acetate monomer and 5-6mL of 10% ammonium persulfate solution, heating to about 65 ℃, slowly heating at right time, activating, starting a reflux phenomenon, controlling the reaction temperature to be about 20min, then dropwise adding vinyl acetate monomer 35mL for 45min, uniformly dropwise adding the vinyl acetate monomer, controlling the reaction temperature to be about 80-90 ℃, adding 0.5g of initiator every 15min when dropwise adding the monomer, adding all the rest initiator solution after dropwise adding the monomer, keeping the rest initiator solution at 85-95 ℃ for half an hour, cooling to below 40 ℃, adding 5g of ethylene glycol, controlling the pH to 5g, controlling the pH to be 5-6, and preparing polyvinyl chloride cable, and preparing the cable into the cable after the cable is matched with the cable.
S2: preparation of flame retardant layer 2: blending high-density polyethylene, ethylene propylene diene monomer and a low-halogen flame retardant on an open mill, adding 0.5 part of antioxidant and 2 parts of crosslinking sensitizer into every 100 parts of resin, pressing into a sheet on a flat vulcanizing machine at 150 ℃ and 3mm thick, and molding after completely cooling until a sleeve-shaped material matched with the size of the cable flame retardant layer 2 is prepared.
S3: preparation of the shielding layer 3: preparing aluminum foil and tinned copper, and performing mixed braiding treatment until the aluminum foil and tinned copper braided wire structure is formed.
S4: preparation of insulating layer 4: uniformly grinding an accelerator, a cross-linking agent and a foaming agent in a mortar, and sequentially placing 10 parts of LDPE (low-density polyethylene) tree, 2 parts of a lubricant, 6 parts of a filler, 2 parts of light calcium carbonate and 3 parts of talcum powder into a double-spoke machine for plasticating, wherein the plasticating process comprises the following steps: the roller temperature is 115-125 ℃, and the roller speed ratio is 1:1.35, the rolling time is 6min, the roller spacing is 0.2-0.5mm, and the obtained material is pressed and foamed on a flat vulcanizing machine, and the process comprises the following steps: the low-linearity low-density foamed polyethylene is prepared by the steps of preparing 15 parts of LDPE (low-density polyethylene) resin, 6 parts of lubricant, 12 parts of filler, 4 parts of light calcium carbonate and 6 parts of talcum powder according to the same process, preparing one part of low-linearity low-density foamed polyethylene according to the same process, blending the low-linearity low-density foamed polyethylene with a nucleating agent, preparing a foaming material, preparing an outer skin layer of the insulating layer 4 by adopting the high-density foamed polyethylene, preparing an intermediate layer by adopting the foaming material, and preparing an inner skin layer by adopting the low-linearity low-density foamed polyethylene, and preparing the insulating layer 4 by adopting the low-linearity low-density foamed polyethylene.
S5: preparation of reinforcing layer 10: preparing a stainless steel belt, winding the stainless steel belt into a size matched with the inner cavity of the polyethylene outer sheath 1, and placing the stainless steel belt for later use;
s6: preparation of the anticorrosive layer 11: preparing tribasic lead sulfate, hard lead, barium stearate, paraffin, calcium carbonate, dioctyl phthalate, a stabilizer, a lubricant and a plasticizer, placing the tribasic lead sulfate, the hard lead, the barium stearate, the paraffin, the calcium carbonate and the dioctyl phthalate into a stirring barrel for mixing treatment, fully and uniformly mixing, carrying out mixing treatment, completing plasticization, calendering, extruding and blow molding after plasticization, granulating, and carrying out molding treatment after granulating, thereby completing the preparation of the anti-corrosion layer 11;
s7: preparation of buffer layer 9: preparing an aluminum sleeve and a wrapping belt, and sequentially winding the aluminum sleeve and the wrapping belt on the outer wall of the anti-corrosion layer 11 to form a buffer layer 9;
s8: production of bus cable for high-flexibility drag chain: the main conductor 7 and the auxiliary conductor 8 are mutually twisted, the reinforcing layer 10 is fixedly adhered to the outer wall of the inner cavity of the polyethylene outer sheath 1, the buffer layer 9 is wound on the outer wall of the anti-corrosion layer 11, the reinforcing layer 10 and the anti-corrosion layer 11 are adhered and fixed, the polyvinyl chloride inner sheath 5 is wrapped and fixed outside the inner sheath, the inner cavity of the polyvinyl chloride inner sheath 5 is filled with the filling material 6 taking vulcanized rubber strips as materials, the insulating layer 4 is adhered and fixed to the outer wall of the polyvinyl chloride inner sheath 5, the shielding layer 3 is adhered and fixed to the outer wall of the insulating layer 4, the flame retardant layer 2 is adhered and fixed to the outer wall of the shielding layer 3, and the polyvinyl chloride outer sheath 1 is adhered and fixed to the outer wall of the flame retardant layer 2, so that the production work of the bus cable for the high-flexibility drag chain is completed.
The bus cable for the high-flexibility drag chain and the production method thereof are characterized in that the insulating layer 4 is prepared from three layers of materials, the outer layer of the bus cable adopts high-density foamed polyethylene, so that the wear resistance of an insulating wire core can be improved, the middle layer adopts foamed materials, the compressive strength and dielectric strength of the whole insulating layer 4 can be improved, the inner layer of the bus cable adopts low-linearity low-density foamed polyethylene, the adhesion force between the bus cable and a conductor can be effectively improved, the bus cable is used as the insulating layer 4 of the cable, the solution strength, the electrical performance and the mechanical performance are excellent, the processing is simple, the foaming processing performance is good, the integral melting point and the strong mechanical performance are realized through the arranged flame retardant layer 2, the inner structure of the bus cable is compact, the coking structure which is easy to form into a mold is easy to form, so that softening and dripping phenomena are not easy to occur during combustion, and the PVC sheath is good in mechanical performance, excellent in dielectric performance, high in mechanical strength, and excellent in acid resistance, alkali resistance and oil resistance performance, flame resistance performance and good in flame resistance performance are realized, and the cable is excellent in the overall strength.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a high flexibility is bus cable for tow chain, includes polyvinyl chloride oversheath (1), its characterized in that: the inner wall fixedly connected with flame retardant coating (2) of polyvinyl chloride oversheath (1), the inner wall fixedly connected with shielding layer (3) of flame retardant coating (2), the inner wall fixedly connected with insulating layer (4) of shielding layer (3), the inner wall fixedly connected with polyvinyl chloride oversheath (5) of insulating layer (4), the inner chamber intussuseption of polyvinyl chloride oversheath (5) is filled with packing material (6), fixedly connected with main conductor (7) and auxiliary conductor (8) in the inner chamber of polyvinyl chloride oversheath (5), fixedly connected with buffer layer (9) in the inner chamber of polyvinyl chloride oversheath (1), symmetrical fixedly connected with enhancement layer (10) and anticorrosion layer (11) in the inner chamber of buffer layer (9) and polyvinyl chloride oversheath (1).
2. The method for producing a bus cable for a highly flexible drag chain according to claim 1, wherein: the method comprises the following operation steps:
s1: preparation of polyvinyl chloride sheath: adding 90mL of water into a 250mL four-neck flask with a stirrer, a thermometer and a condenser, starting the stirrer to invert PVA, heating to about 9O ℃ and then maintaining until PVA is completely dissolved, then cooling to below 60 ℃, adding 1g of OP-10 and 1g of octanol, stirring for 10-15min after the addition is completed, fully emulsifying to form micelles, then adding 10mL of vinyl acetate monomer and 5-6mL of 10% ammonium persulfate solution, heating to about 65 ℃, slowly heating at right time, activating, starting a reflux phenomenon, controlling the reaction temperature to be about 20min, then dropwise adding vinyl acetate monomer 35mL for 45min, uniformly dropwise adding the vinyl acetate monomer, controlling the reaction temperature to be between 80 and 90 ℃, adding 0.5g of initiator every 15min when dropwise adding the monomer, completely adding the rest initiator solution after dropwise adding the monomer, then keeping the temperature to be between 85 and 95 ℃ for half an hour, cooling to below 40 ℃, adding 5g of ethylene glycol, controlling the pH to be 5g, controlling the pH to be between 5 and 6, and preparing polyvinyl chloride cable, and preparing the cable into the cable after the cable is matched with the cable;
s2: preparation of flame retardant layer (2): blending high-density polyethylene, ethylene propylene diene monomer and a low-halogen flame retardant on an open mill, adding 0.5 part of antioxidant and 2 parts of crosslinking sensitizer into every 100 parts of resin, pressing into a sheet on a flat vulcanizing machine at 150 ℃ and 3mm thick, and molding after completely cooling until a sleeve-shaped material matched with the size of the cable flame retardant layer (2) is prepared;
s3: preparation of a shielding layer (3): preparing aluminum foil and tinned copper, and performing mixed braiding treatment until the aluminum foil and tinned copper braided wire structure is formed;
s4: preparation of insulating layer (4): uniformly grinding an accelerator, a cross-linking agent and a foaming agent in a mortar, and sequentially placing 10 parts of LDPE (low-density polyethylene) tree, 2 parts of a lubricant, 6 parts of a filler, 2 parts of light calcium carbonate and 3 parts of talcum powder into a double-spoke machine for plasticating, wherein the plasticating process comprises the following steps: the roller temperature is 115-125 ℃, and the roller speed ratio is 1:1.35, the rolling time is 6min, the roller spacing is 0.2-0.5mm, and the obtained material is pressed and foamed on a flat vulcanizing machine, and the process comprises the following steps: the method comprises the steps of preparing low-linearity low-density foamed polyethylene by using 15 parts of LDPE (low-density polyethylene) resin, 6 parts of lubricant, 12 parts of filler, 4 parts of light calcium carbonate and 6 parts of talcum powder according to the same process, preparing one part of low-linearity low-density foamed polyethylene by using the same process, blending the low-linearity low-density foamed polyethylene with a nucleating agent to prepare a foaming material, preparing an outer skin layer of the insulating layer (4) by using the high-density foamed polyethylene, preparing an intermediate layer by using the foaming material, and preparing an inner skin layer by using the low-linearity low-density foamed polyethylene to prepare the insulating layer (4) when the insulating layer (4) is prepared;
s5: preparation of the reinforcing layer (10): preparing a stainless steel belt, winding the stainless steel belt into a size matched with the inner cavity of the polyethylene outer sheath (1), and placing the stainless steel belt for later use;
s6: preparation of the anticorrosive layer (11): preparing tribasic lead sulfate, hard lead, barium stearate, paraffin, calcium carbonate, dioctyl phthalate, a stabilizer, a lubricant and a plasticizer, placing the tribasic lead sulfate, the hard lead, the barium stearate, the paraffin, the calcium carbonate and the dioctyl phthalate into a stirring barrel for mixing treatment, fully and uniformly mixing, carrying out mixing treatment, completing plasticization, calendering, extruding and blow molding after plasticization, granulating, and carrying out molding treatment after granulating, thereby completing the preparation of the anti-corrosion layer (11);
s7: preparation of the buffer layer (9): preparing an aluminum sleeve and a wrapping belt, and sequentially winding the aluminum sleeve and the wrapping belt on the outer wall of the anti-corrosion layer (11) to form a buffer layer (9);
s8: production of bus cable for high-flexibility drag chain: the method comprises the steps of mutually twisting a main conductor (7) and an auxiliary conductor (8), fixedly bonding a reinforcing layer (10) on the outer wall of an inner cavity of a polyethylene outer sheath (1), winding a buffer layer (9) on the outer wall of an anti-corrosion layer (11), fixedly bonding the reinforcing layer (10) and the anti-corrosion layer (11), wrapping a polyvinyl chloride inner sheath (5) on the outer side of the reinforcing layer, filling a filler (6) which takes vulcanized rubber strips as materials into the inner cavity of the polyvinyl chloride inner sheath (5), fixedly bonding an insulating layer (4) on the outer wall of the polyvinyl chloride inner sheath (5), fixedly bonding a shielding layer (3) on the outer wall of the insulating layer (4), fixedly bonding a flame retardant layer (2) on the outer wall of the shielding layer (3), and fixedly bonding the polyvinyl chloride outer sheath (1) on the outer wall of the flame retardant layer (2), so as to finish the production work of the bus cable for the high-flexibility drag chain.
3. The method for producing a bus cable for a highly flexible drag chain according to claim 2, wherein: the filling material (6) is a vulcanized rubber strip, and the main conductor (7) and the auxiliary conductor (8) are annealed bare copper stranded conductors formed by annealing bare copper stranded conductors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310837604.0A CN116741440A (en) | 2023-07-10 | 2023-07-10 | Bus cable for high-flexibility drag chain and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310837604.0A CN116741440A (en) | 2023-07-10 | 2023-07-10 | Bus cable for high-flexibility drag chain and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116741440A true CN116741440A (en) | 2023-09-12 |
Family
ID=87918581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310837604.0A Pending CN116741440A (en) | 2023-07-10 | 2023-07-10 | Bus cable for high-flexibility drag chain and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116741440A (en) |
-
2023
- 2023-07-10 CN CN202310837604.0A patent/CN116741440A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3589121A (en) | Method of making fluid-blocked stranded conductor | |
| CN1661731A (en) | Longitudinal watertightness cable/wire | |
| CN101901643A (en) | Bunched frequency conversion submarine cable and manufacturing method thereof | |
| CN112053808A (en) | Manufacturing process of ultraviolet crosslinked cable | |
| CN104835565A (en) | Cable for new energy automobile charging device and preparation method thereof | |
| CN104143390B (en) | A kind of manufacturing process of deep water sealing Plastic-sheathed Cable | |
| WO2022095093A1 (en) | 66 kv torsion-resistant cable for wind turbine power transmission, and preparation method therefor and use thereof | |
| CN102364591A (en) | Hard ethylene propylene rubber insulated control cable for ships and ocean and manufacturing method thereof | |
| CN110718322B (en) | Fan bridge cable | |
| CN203573691U (en) | Monitoring type electric vehicle charging cable | |
| CN116741440A (en) | Bus cable for high-flexibility drag chain and production method thereof | |
| CN103295681B (en) | Drag chain cable and preparation technology thereof | |
| CN116580886A (en) | High-temperature-resistant and aging-resistant cable and preparation method thereof | |
| CN208157097U (en) | The interior high-voltage line of new-energy automobile | |
| CN107731348B (en) | Manufacturing process for capacity-expanding optical fiber composite cable | |
| WO2013112781A1 (en) | Power cable design | |
| CN102347107A (en) | Hard EPR (ethylene propylene rubber) insulated power cable for ships and oceans and manufacturing method thereof | |
| CN212161388U (en) | High flame-retardant waterproof special cable for rail transit | |
| CN104409141B (en) | Elastic molding flexible wire cable and production method thereof | |
| CN203311889U (en) | Towline cable | |
| CN112201393A (en) | Remove portable cable for charging device | |
| CN111739681A (en) | Tensile fire-resistant cable, filling rope cutting die and production process of tensile fire-resistant cable | |
| CN104021849A (en) | Transmission control cable | |
| CN204596468U (en) | A kind of new-energy automobile charging device cable | |
| CN203839083U (en) | Mobile flat flexible cable applied to drum |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |