CN112509766A - High-temperature-resistant silicon rubber insulation and sheath cable - Google Patents
High-temperature-resistant silicon rubber insulation and sheath cable Download PDFInfo
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- CN112509766A CN112509766A CN202011323088.2A CN202011323088A CN112509766A CN 112509766 A CN112509766 A CN 112509766A CN 202011323088 A CN202011323088 A CN 202011323088A CN 112509766 A CN112509766 A CN 112509766A
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- 238000009413 insulation Methods 0.000 title claims abstract description 26
- 229920002379 silicone rubber Polymers 0.000 title claims abstract description 26
- 239000004020 conductor Substances 0.000 claims abstract description 21
- 239000003365 glass fiber Substances 0.000 claims abstract description 10
- 239000000945 filler Substances 0.000 claims abstract description 8
- 239000003063 flame retardant Substances 0.000 claims abstract description 7
- 239000011490 mineral wool Substances 0.000 claims abstract description 6
- 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 5
- 238000004804 winding Methods 0.000 claims description 84
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 38
- 229910052802 copper Inorganic materials 0.000 claims description 38
- 239000010949 copper Substances 0.000 claims description 38
- 230000007246 mechanism Effects 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 6
- 239000004945 silicone rubber Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 238000011068 loading method Methods 0.000 claims description 3
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- 238000002360 preparation method Methods 0.000 claims description 3
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- 239000011265 semifinished product Substances 0.000 claims 3
- 239000000047 product Substances 0.000 claims 1
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- 229910000039 hydrogen halide Inorganic materials 0.000 abstract description 3
- 239000012433 hydrogen halide Substances 0.000 abstract description 3
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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
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/58—Tubes, sleeves, beads, or bobbins through which the conductor passes
- H01B17/583—Grommets; Bushings
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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
-
- 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
-
- 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
- H01B7/2813—Protection against damage caused by electrical, chemical or water tree deterioration
-
- 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
-
- 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
Abstract
The invention discloses a high-temperature-resistant silicon rubber insulation and sheath cable which comprises a shielding layer, a wrapping tape layer, an outer sheath, an inner liner layer and a plurality of wire cores, wherein each wire core comprises a conductor and an insulation layer, the insulation layer is wrapped outside the conductor, the plurality of wire cores are mutually twisted to form a cable core, a filler is filled in a gap of the cable core, and the inner liner layer is wrapped outside the cable core. The insulating layer and the sheath layer are made of silicon rubber, and are subjected to special vulcanization treatment, so that the cable is high-temperature resistant, has the characteristics of no flame delay and no generation of hydrogen halide gas with strong corrosivity, the wrapping tape layer made of glass fiber has heat resistance, flame retardance and wear resistance, the service life of the cable is prolonged, the cable is filled with the flame-retardant dust-free rock wool rope, the structural stability and the roundness of the cable core inside the product are kept, the tensile property of the cable is enhanced, and the cable has good high-temperature resistance, tensile property and mechanical property and can bear large tensile force and bending.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a high-temperature-resistant silicon rubber insulation and sheath cable.
Background
With the rapid development of the frequency conversion technology, the frequency converter is widely applied in various industries, however, a connecting cable between the frequency conversion motor and the frequency converter is generally a common power cable, and as the frequency conversion power supply contains a plurality of harmonic waves and has large amplitude, high-frequency voltages with different frequencies are generated in a motor winding to damage the cable; meanwhile, when the cable works, electromagnetic waves are emitted outwards, and the normal work of the frequency converter is influenced. In view of this, in recent years, special cables for frequency converters have been developed and achieved to a certain extent in China, but the cables for frequency converters are mainly common cables for frequency converters such as polyvinyl chloride and XLPE insulation, and cannot be adapted to normal operation in high-temperature environments.
At present, in a plurality of high-temperature places in the industries of petroleum, petrifaction, steel, metallurgy and the like, various products matched with the high-temperature places are required to be adapted to the temperature of the used environment, so that the long-term safe and stable operation of equipment in the frequency converter used in the high-temperature places can be ensured, and the common frequency converter cable matched with the frequency converter cable can not meet the requirements of the used environment.
Disclosure of Invention
The invention aims to provide a high-temperature-resistant silicon rubber insulation and sheath cable, which solves the following technical problems: (1) the insulating layer and the sheath layer are made of silicon rubber, namely thermoplastic silicon rubber high-temperature resistant material, through special vulcanization treatment, the electrical performance, the physical and mechanical performance and the ageing resistance of the product are greatly improved, the cable is high-temperature resistant and has the characteristics of no flame delay and no generation of hydrogen halide gas with strong corrosivity, the glass fiber wrapped tape layer has the heat resistance, the flame retardance and the wear resistance, the service life of the cable is prolonged, the flame-retardant dust-free rock wool rope is used for filling, the structural stability and the roundness of the cable core in the product are kept, and the tensile property of the cable is enhanced; (2) inserting a semi-finished cable into a rotating shaft on one side of a shell, penetrating through a wire fixing device, winding the end part of the semi-finished cable onto a winding roller of a winding mechanism, drawing a copper strip out of a wire carrying disc, sequentially penetrating through a first guide ring on a fixed support and a second guide ring on a lifting rod, drawing the copper strip onto the semi-finished cable from a wire guide column on a rotating block in a bypassing manner, rotating the lifting rod, adjusting the position of the lifting rod on a sleeve, locking a fixed nut, fixing the lifting rod, rotating a threaded column, and adjusting the angle of the second guide ring to a proper angle; (3) the rotating motor is started, an output shaft of the rotating motor drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the belt, the driven wheel drives the rotating shaft to rotate, and further drives the rotating disc on the rotating shaft to rotate, the wire supply mechanism, the fixed guide assembly and the telescopic guide assembly on the rotating disc synchronously rotate, the copper strips on the wire carrying disc are wrapped on the semi-finished cables, and the wrapping forming quality of the semi-finished cables is improved through synchronous wrapping, so that the technical problems of wrapping crease and non-uniformity of wrapping of a wrapping mechanism in the prior art are solved; (4) and starting the winding motor, driving the winding shaft to rotate by the output shaft of the winding motor, driving the winding roller to rotate by the winding shaft, continuously drawing the semi-finished cables to wind on the winding roller by the winding roller, and finishing the wrapping and winding of the copper strips on the semi-finished cables.
The purpose of the invention can be realized by the following technical scheme:
a high-temperature-resistant silicon rubber insulation and sheath cable comprises a shielding layer, a winding band layer, an outer sheath, a lining layer and a plurality of wire cores, wherein the wire cores comprise conductors and insulation layers, the insulation layers wrap the outside of the conductors, the wire cores are mutually twisted to form a cable core, a filler is filled in gaps of the cable core, the lining layer wraps the outside of the cable core, the shielding layer wraps the outside of the lining layer, the winding band layer wraps the outside of the shielding layer, and the outer sheath wraps the outside of the winding band layer;
the preparation method of the high-temperature-resistant silicon rubber insulation and sheath cable comprises the following steps:
the method comprises the following steps: twisting a plurality of annealed oxygen-free copper into a soft copper conductor, and removing burrs on the surface of the conductor;
step two: extruding the insulating layer onto the conductor by using an extrusion die;
step three: a plurality of wire cores are mutually twisted, and the gaps of the wire cores are filled with fillers to form a cable core, and the outer part of the cable core is lapped and wrapped by adopting a double-layer polyester tape;
step four: uniformly weaving copper wires to the surface of the lining layer to form a semi-finished cable, placing the woven semi-finished cable into a rotating shaft on a copper strip wrapping device, connecting the semi-finished cable with a winding roller on a winding mechanism through a wire fixing device, drawing the copper strips out of a wire carrying disc, sequentially passing through a first guide ring on a fixed support and a second guide ring on a lifting rod, drawing the copper strips onto the semi-finished cable after passing through a wire guide column on a rotating block, adjusting the position of the lifting rod on a sleeve, locking a fastening screw at the end part of the lifting rod, fixing the lifting rod, rotating a threaded column, adjusting the second guide ring to a proper angle, starting a rotating motor, driving an output shaft of the rotating motor to rotate a driving wheel, driving the driving wheel to rotate through a belt, driving the rotating shaft to rotate, driving the rotating disc and the rotating block on the rotating shaft to rotate, rotating the rotating disc to drive a wire supply mechanism on the rotating, The fixed guide assembly and the telescopic guide assembly synchronously rotate, the copper strips on the wire loading disc are wrapped on the semi-finished cables, the winding motor is started, the output shaft of the winding motor drives the winding shaft to rotate, the winding shaft drives the winding roller to rotate, the winding roller continuously pulls the semi-finished cables to be wound on the winding roller, the wrapping of the copper strips on the semi-finished cables is completed, and a shielding layer is formed;
step five: a glass fiber tape is wrapped outside the shielding layer;
step six: and extruding the outer sheath onto the wrapping tape layer by using an extrusion die to obtain a final cable finished product.
Further, the copper strip wrapping device comprises a shell, a rotating shaft is rotatably mounted in the shell, the rotating shaft penetrates through one end of the shell, a rotating disc is sleeved at one end of the rotating shaft, two wire supply mechanisms are arranged on one side, away from the shell, of the rotating disc, each wire supply mechanism comprises a base, a gasket, a fixed rod and a cap, the base is mounted on the rotating disc, the fixed rod is mounted on the base, a wire loading disc is sleeved on the fixed rod, an external thread is arranged at one end, away from the base, of the fixed rod, an internal thread is arranged on one side of the cap, and the;
the wire guiding mechanism comprises a fixed guiding assembly and a telescopic guiding assembly, the fixed guiding assembly comprises a fixed support and a first guiding ring, the fixed support is mounted on the rotating disc, the first guiding ring is mounted at one end, away from the rotating disc, of the fixed support, the telescopic guiding assembly comprises a sleeve, a lifting rod, a second guiding ring, a threaded column and a fixing nut, the sleeve is mounted on the rotating disc, the lifting rod is slidably mounted in the sleeve, the threaded column is connected to one end, away from the rotating disc, of the lifting rod in a threaded mode, the second guiding ring is fixedly mounted on the threaded column, a threaded hole is formed in the rotating disc, the lifting rod is in threaded connection with the rotating disc through the threaded hole, and the end portion of the lifting rod is in threaded connection with the fixing nut;
the wire fixing device is characterized in that one end, far away from the rotating disc, of the rotating shaft is sleeved with a rotating block, a plurality of conductor columns with equal radian are mounted on the rotating block, the rotating shaft is arranged in a hollow mode, a semi-finished cable is arranged in the rotating shaft, one end of the semi-finished cable penetrates through the rotating shaft and extends into the wire fixing device, and the semi-finished cable penetrates through the wire fixing device and is connected with the winding mechanism.
Furthermore, the rotating shaft is sleeved with a driven wheel, the driven wheel is arranged in the shell, a rotating motor is arranged in the shell, an output shaft of the rotating motor is sleeved with a driving wheel, and the driving wheel and the driven wheel are in transmission connection with the inside of the belt.
Further, winding mechanism includes rolling motor, rolling axle, wind-up roll, support frame, rolling motor output shaft connects the rolling axle, the wind-up roll has been cup jointed on the rolling axle, the rolling axle rotates and installs on two support frames, the wind-up roll sets up between two support frames, semi-manufactured goods cable twines on the wind-up roll.
Furthermore, two fixed subassemblies are symmetrically arranged on the rotating disk, a gasket is sleeved on the fixed rod and arranged between the base and the wire carrying disk, and the gasket is made of elastic rubber.
Furthermore, the insulating layer and the outer sheath are made of silicon rubber, the wrapping tape layer is made of glass fiber, and the filler is a flame-retardant dust-free rock wool rope.
The invention has the beneficial effects that:
(1) according to the high-temperature-resistant silicon rubber insulation and sheath cable, the insulation layer and the sheath layer are made of silicon rubber, namely thermoplastic silicon rubber high-temperature-resistant material, through special vulcanization treatment, the electrical performance, the physical and mechanical performance and the ageing resistance of the product are greatly improved, the cable is high-temperature-resistant and has the characteristics of no flame delay and no generation of hydrogen halide gas with strong corrosivity, the glass fiber wrapping tape layer has the heat resistance, the flame retardance and the wear resistance, the service life of the cable is prolonged, the cable is filled with the flame-retardant dust-free rock wool rope, the structural stability and the roundness of the cable core in the product are kept, and the tensile property of the cable is enhanced;
(2) inserting a semi-finished cable into a rotating shaft on one side of a shell, penetrating through a wire fixing device, winding the end part of the semi-finished cable onto a winding roller of a winding mechanism, drawing a copper strip out of a wire carrying disc, sequentially penetrating through a first guide ring on a fixed support and a second guide ring on a lifting rod, drawing the copper strip onto the semi-finished cable from a wire guide column on a rotating block in a bypassing manner, rotating the lifting rod, adjusting the position of the lifting rod on a sleeve, locking a fixed nut, fixing the lifting rod, rotating a threaded column, adjusting the angle of the second guide ring to a proper angle, and enabling the copper strip on the wire carrying disc to be conveniently led onto the wire guide column through the arrangement;
(3) the rotating motor is started, an output shaft of the rotating motor drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the belt, the driven wheel drives the rotating shaft to rotate, and further drives the rotating disc on the rotating shaft to rotate, the wire supply mechanism, the fixed guide assembly and the telescopic guide assembly on the rotating disc rotate synchronously, the copper strips on the wire carrying disc are wrapped on the semi-finished cables, and the wrapping forming quality of the semi-finished cables is improved through synchronous wrapping;
(4) and starting the winding motor, driving the winding shaft to rotate by the output shaft of the winding motor, driving the winding roller to rotate by the winding shaft, continuously drawing the semi-finished cables to wind on the winding roller by the winding roller, and finishing the wrapping and winding of the copper strips on the semi-finished cables.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a high temperature resistant silicone rubber insulated and sheathed cable according to the present invention;
FIG. 2 is a schematic structural diagram of the copper strip wrapping device of the present invention;
FIG. 3 is a schematic view of the structure of the rotating disk of the present invention;
FIG. 4 is a schematic structural view of the telescoping guiding assembly of the present invention;
fig. 5 is a schematic structural diagram of the winding mechanism of the invention.
In the figure: 1. a housing; 101. rotating the motor; 102. a driving wheel; 103. a driven wheel; 104. a belt; 2. a winding mechanism; 3. rotating the disc; 301. a base; 302. a gasket; 303. fixing the rod; 304. capping; 305. a wire carrying disc; 4. semi-finished cables; 5. a conductor; 6. an insulating layer; 7. a filler; 8. an inner liner layer; 9. a shielding layer; 10. wrapping a belt layer; 11. an outer sheath; 12. fixing a bracket; 13. a first guide ring; 14. a sleeve; 15. a lifting rod; 1501. fixing a nut; 16. a second guide ring; 17. rotating the block; 1701. a wire guide post; 18. a rotating shaft; 19. a wire fixing device; 21. a winding motor; 22. a winding shaft; 23. a wind-up roll; 24. a support frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the invention relates to a high temperature resistant silicone rubber insulation and sheath cable, which comprises a shielding layer 9, a wrapping tape layer 10, an outer sheath 11, an inner liner layer 8 and a plurality of wire cores, wherein the wire cores comprise a conductor 5 and an insulation layer 6, the insulation layer 6 is wrapped outside the conductor 5, the plurality of wire cores are twisted with each other to form a cable core, a filler 7 is filled in a gap of the cable core, the inner liner layer 8 is wrapped outside the cable core, the shielding layer 9 is wrapped outside the inner liner layer 8, the wrapping tape layer 10 is wrapped outside the shielding layer 9, and the outer sheath 11 is wrapped outside the wrapping tape layer 10;
the preparation method of the high-temperature-resistant silicon rubber insulation and sheath cable comprises the following steps:
the method comprises the following steps: twisting a plurality of annealed oxygen-free copper into a soft copper conductor 5, and removing burrs on the surface of the conductor 5;
step two: extruding the insulating layer 6 onto the conductor 5 by using an extrusion die;
step three: a plurality of wire cores are mutually twisted, and the gaps of the wire cores are filled with the filling materials 7 to form a cable core, and the outer part of the cable core is lapped and wrapped by adopting a double-layer polyester tape;
step four: uniformly weaving copper wires to the surface of the lining layer 8 to form a semi-finished cable 4, putting the woven semi-finished cable 4 into a rotating shaft 18 on a copper strip wrapping device, connecting the semi-finished cable 4 with a winding roller 23 on a winding mechanism 2 through a wire fixing device 19, drawing the copper strips out of a wire carrying disc 305, sequentially passing through a first guide ring 13 on a fixed support 12 and a second guide ring 16 on a lifting rod 15, drawing the copper strips onto the semi-finished cable 4 after passing through a wire guide post 1701 on a rotating block 17, adjusting the position of the lifting rod 15 on a sleeve 14, locking a fastening screw at the end part of the lifting rod 15, fixing the lifting rod 15, rotating a threaded post, starting a rotating motor 101 after adjusting the second guide ring 16 to a proper angle, rotating an output shaft of the motor 101 to drive a driving wheel 102 to rotate, driving the driving wheel 102 to drive a driven wheel 103 through a belt 104, and driving the rotating shaft 18 to rotate through the driven wheel 103, the rotating shaft 18 drives the rotating disc 3 and the rotating block 17 on the rotating shaft 18 to rotate, the rotating disc 3 rotates to drive the wire supply mechanism, the fixed guide assembly and the telescopic guide assembly on the rotating disc 3 to synchronously rotate, the wrapping forming quality of the semi-finished cable 4 is improved, the copper strip on the wire carrying disc 305 is wrapped on the semi-finished cable 4, the winding motor 21 is started, the output shaft of the winding motor 21 drives the winding shaft 22 to rotate, the winding shaft 22 drives the winding roller 23 to rotate, the winding roller 23 continuously pulls the semi-finished cable 4 to be wound on the winding roller 23, the wrapping of the copper strip on the semi-finished cable 4 is completed, and the shielding layer 9 is formed;
step five: a glass fiber tape is wrapped outside the shielding layer 9;
step six: and extruding the outer sheath 11 onto the wrapping tape layer 10 by using an extrusion die to obtain a final cable finished product.
Specifically, the copper strip wrapping device comprises a shell 1, a rotating shaft 18 is rotatably mounted in the shell 1, the rotating shaft 18 penetrates through one end of the shell 1 and is sleeved with a rotating disc 3, two wire supply mechanisms are arranged on one side, away from the shell 1, of the rotating disc 3, each wire supply mechanism comprises a base 301, a gasket 302, a fixing rod 303 and a cap 304, the base 301 is mounted on the rotating disc 3, the fixing rod 303 is mounted on the base 301, a wire supply disc 305 is sleeved on the fixing rod 303, an external thread is formed at one end, away from the base 301, of the fixing rod 303, an internal thread is formed at one side of the cap 304; the rotary disk 3 is provided with two wire guiding mechanisms, each wire guiding mechanism comprises a fixed guiding component and a telescopic guiding component, each fixed guiding component comprises a fixed support 12 and a first guiding ring 13, each fixed support 12 is installed on the rotary disk 3, one end, far away from the rotary disk 3, of each fixed support 12 is provided with the first guiding ring 13, each telescopic guiding component comprises a sleeve 14, a lifting rod 15, a second guiding ring 16, a threaded column and a fixing nut 1501, each sleeve 14 is installed on the rotary disk 3, each lifting rod 15 is installed in each sleeve 14 in a sliding mode, one end, far away from the rotary disk 3, of each lifting rod 15 is in threaded connection with the corresponding threaded column, each threaded column is fixedly provided with the corresponding second guiding ring 16, each rotary disk 3 is provided with a threaded hole, each lifting rod 15 is in threaded connection with the rotary disk 3 through the corresponding threaded hole, the end part of each lifting, the tension of the copper strip during wrapping is convenient to adjust, and the wrapping quality is improved; the rotating block 17 is sleeved at one end, far away from the rotating disc 3, of the rotating shaft 18, the rotating block 17 is provided with a plurality of conductor posts 1701 with equal radian, the rotating shaft 18 is arranged in a hollow mode, a semi-finished cable 4 is arranged in the rotating shaft 18, one end of the semi-finished cable 4 penetrates through the rotating shaft 18 and extends into the wire fixing device 19, and the semi-finished cable 4 penetrates through the wire fixing device 19 and is connected with the winding mechanism 2. The rotating shaft 18 is sleeved with a driven wheel 103, the driven wheel 103 is arranged in the shell 1, a rotating motor 101 is arranged in the shell 1, an output shaft of the rotating motor 101 is sleeved with a driving wheel 102, and the driving wheel 102 and the driven wheel 103 are in transmission connection with a belt 104. The winding mechanism 2 comprises a winding motor 21, a winding shaft 22, winding rollers 23 and support frames 24, the output shaft of the winding motor 21 is connected with the winding shaft 22, the winding roller 23 is sleeved on the winding shaft 22, the winding shaft 22 is rotatably installed on the two support frames 24, the winding rollers 23 are arranged between the two support frames 24, and the semi-finished cable 4 is wound on the winding rollers 23. The two fixing components are symmetrically arranged on the rotating disk 3, a gasket 302 is sleeved on the fixing rod 303, the gasket 302 is arranged between the base 301 and the wire carrying disk 305, and the gasket 302 is made of elastic rubber. Insulating layer 6 and oversheath 11 are the silicon rubber material, and it is the glass fiber material to wrap tape layer 10, and the glass fiber material has heat-resisting, fire-retardant, wear resistance, increases the life of cable, and stopping 7 is fire-retardant dustless rock wool rope, reinforcing cable's tensile strength.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (6)
1. The high-temperature-resistant silicon rubber insulation and sheath cable is characterized by comprising a shielding layer (9), a wrapping tape layer (10), an outer sheath (11), an inner liner layer (8) and a plurality of wire cores, wherein the wire cores comprise a conductor (5) and an insulation layer (6), the insulation layer (6) wraps the outside of the conductor (5), the plurality of wire cores are twisted with each other to form a cable core, a filler (7) is filled in a gap of the cable core, the inner liner layer (8) wraps the outside of the cable core, the shielding layer (9) wraps the outside of the inner liner layer (8), the wrapping tape layer (10) wraps the outside of the shielding layer (9), and the outer sheath (11) wraps the outside of the wrapping tape layer (10;
the preparation method of the high-temperature-resistant silicon rubber insulation and sheath cable comprises the following steps:
the method comprises the following steps: twisting a plurality of annealed oxygen-free copper into a soft copper conductor (5) and removing burrs on the surface of the conductor (5);
step two: extruding the insulating layer (6) onto the conductor (5) by using an extrusion die;
step three: a plurality of wire cores are mutually twisted, and the gaps of the wire cores are filled with filling materials (7) to form a cable core, and the outer part of the cable core is lapped and wrapped by adopting double-layer polyester tapes;
step four: uniformly weaving copper wires to the surface of an inner liner layer (8) to form a semi-finished cable (4), putting the woven semi-finished cable (4) into a rotating shaft (18) on a copper strip wrapping device, connecting the semi-finished cable (4) with a winding roller (23) on a winding mechanism (2) through a wire fixing device (19), drawing the copper strips out of a wire carrying disc (305), sequentially passing through a first guide ring (13) on a fixed support (12) and a second guide ring (16) on a lifting rod (15), drawing the copper strips onto the semi-finished cable (4) after passing through a wire guide column (1701) on a rotating block (17), adjusting the position of the lifting rod (15) on a sleeve (14), locking a fastening screw at the end part of the lifting rod (15), fixing the lifting rod (15), rotating a threaded column, adjusting the second guide ring (16) to a proper angle, and then starting a rotating motor (101), an output shaft of a rotating motor (101) drives a driving wheel (102) to rotate, the driving wheel (102) drives a driven wheel (103) to rotate through a belt (104), the driven wheel (103) drives a rotating shaft (18) to rotate, the rotating shaft (18) drives a rotating disc (3) and a rotating block (17) on the rotating shaft (18) to rotate, the rotating disc (3) rotates to drive a wire supply mechanism on the rotating disc (3), the fixed guide assembly and the telescopic guide assembly synchronously rotate, the copper strips on the wire loading disc (305) are wound on the semi-finished product cable (4), the winding motor (21) is started, an output shaft of the winding motor (21) drives the winding shaft (22) to rotate, the winding shaft (22) drives the winding roller (23) to rotate, the winding roller (23) continuously pulls the semi-finished product cable (4) to be wound on the winding roller (23), the winding of the copper strips on the semi-finished product cable (4) is completed, and the shielding layer (9) is formed;
step five: a glass fiber tape is wrapped outside the shielding layer (9);
step six: and extruding the outer sheath (11) to the wrapping tape layer (10) by using an extrusion die to obtain a final cable finished product.
2. The high temperature resistant silicone rubber insulated and sheathed cable of claim 1, the copper strip wrapping device comprises a shell (1), a rotating shaft (18) is rotatably arranged in the shell (1), the rotating shaft (18) penetrates through one end of the shell (1) and is sleeved with the rotating disc (3), two wire supply mechanisms are arranged on one side of the rotating disc (3) far away from the shell (1), the wire supply mechanism comprises a base (301), a gasket (302), a fixing rod (303) and a cover cap (304), the base (301) is arranged on the rotating disc (3), the fixing rod (303) is arranged on the base (301), a thread carrying disc (305) is sleeved on the fixed rod (303), an external thread is arranged at one end of the fixed rod (303) far away from the base (301), an internal thread is formed in one side of the cover cap (304), and the cover cap (304) is in threaded connection with the fixing rod (303);
the wire guiding device is characterized in that two wire guiding mechanisms are arranged on the rotary disk (3), each wire guiding mechanism comprises a fixed guiding assembly and a telescopic guiding assembly, each fixed guiding assembly comprises a fixed support (12) and a first guiding ring (13), each fixed support (12) is installed on the rotary disk (3), one end, far away from the rotary disk (3), of each fixed support (12) is provided with the first guiding ring (13), each telescopic guiding assembly comprises a sleeve (14), a lifting rod (15), a second guiding ring (16), a threaded column and a fixing nut (1501), each sleeve (14) is installed on the rotary disk (3), each lifting rod (15) is installed in each sleeve (14) in a sliding mode, one end, far away from the rotary disk (3), of each lifting rod (15) is connected with the threaded column through threads, each second guiding ring (16) is fixedly installed on each threaded column, and each rotary disk (3) is provided with, the lifting rod (15) is in threaded connection with the rotating disc (3) through a screw hole, and a fixing nut (1501) is in threaded connection with the end of the lifting rod (15);
the wire fixing device is characterized in that one end, far away from the rotating disc (3), of the rotating shaft (18) is sleeved with a rotating block (17), a plurality of conductor columns (1701) with equal radian are installed on the rotating block (17), the rotating shaft (18) is arranged in a hollow mode, a semi-finished cable (4) is arranged in the rotating shaft (18), one end of the semi-finished cable (4) penetrates through the rotating shaft (18) and extends into a wire fixing device (19), and the semi-finished cable (4) penetrates through the wire fixing device (19) and is connected with the winding mechanism (2).
3. The high-temperature-resistant silicon rubber insulation and sheath cable as claimed in claim 2, wherein a driven wheel (103) is sleeved on the rotating shaft (18), the driven wheel (103) is arranged in the housing (1), a rotating motor (101) is arranged in the housing (1), an output shaft of the rotating motor (101) is sleeved with the driving wheel (102), and the driving wheel (102) and the driven wheel (103) are in transmission connection with a belt (104).
4. The high-temperature-resistant silicon rubber insulating and sheath cable according to claim 2, wherein the winding mechanism (2) comprises a winding motor (21), a winding shaft (22), a winding roller (23) and support frames (24), an output shaft of the winding motor (21) is connected with the winding shaft (22), the winding shaft (22) is sleeved with the winding roller (23), the winding shaft (22) is rotatably installed on the two support frames (24), the winding roller (23) is arranged between the two support frames (24), and the semi-finished cable (4) is wound on the winding roller (23).
5. The high temperature resistant silicone rubber insulation and sheath cable according to claim 2, wherein two fixing components are symmetrically arranged on the rotating disc (3), the fixing rod (303) is sleeved with a gasket (302), the gasket (302) is arranged between the base (301) and the wire carrying disc (305), and the gasket (302) is made of elastic rubber.
6. The high temperature resistant silicone rubber insulation and sheath cable according to claim 1, wherein the insulation layer (6) and the outer sheath (11) are both made of silicone rubber, the wrapping layer (10) is made of glass fiber, and the filler (7) is made of flame retardant dust-free rock wool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011323088.2A CN112509766A (en) | 2020-11-23 | 2020-11-23 | High-temperature-resistant silicon rubber insulation and sheath cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011323088.2A CN112509766A (en) | 2020-11-23 | 2020-11-23 | High-temperature-resistant silicon rubber insulation and sheath cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112509766A true CN112509766A (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011323088.2A Pending CN112509766A (en) | 2020-11-23 | 2020-11-23 | High-temperature-resistant silicon rubber insulation and sheath cable |
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| CN (1) | CN112509766A (en) |
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| CN201732626U (en) * | 2010-07-06 | 2011-02-02 | 江苏亨通电力电缆有限公司 | Private cable for silicon rubber insulation, shielding and high-temperature resisting frequency converter provided with silicon rubber sheath |
| CN202615912U (en) * | 2012-06-04 | 2012-12-19 | 开开电缆科技有限公司 | Variable frequency cable used for 690V vessel electric propulsion |
| CN202930072U (en) * | 2012-11-14 | 2013-05-08 | 湖北龙腾红旗电缆(集团)有限公司 | Low smoke halogen-free anti-ultraviolet frequency conversion cable |
| CN203966658U (en) * | 2014-07-01 | 2014-11-26 | 安徽太平洋电缆股份有限公司 | Aluminium alloy core medium voltage converter fireproof power cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1014063A (en) * | 1962-09-18 | 1965-12-22 | United States Steel Corp | Stranded wire structure and method of making the same |
| CN2679804Y (en) * | 2004-01-01 | 2005-02-16 | 秦宇 | Silk-covering appts. of silk covering machine |
| CN101325103A (en) * | 2008-07-21 | 2008-12-17 | 常熟市豪威富机械制造有限公司 | Device for lapping cable |
| CN201732626U (en) * | 2010-07-06 | 2011-02-02 | 江苏亨通电力电缆有限公司 | Private cable for silicon rubber insulation, shielding and high-temperature resisting frequency converter provided with silicon rubber sheath |
| CN202615912U (en) * | 2012-06-04 | 2012-12-19 | 开开电缆科技有限公司 | Variable frequency cable used for 690V vessel electric propulsion |
| CN202930072U (en) * | 2012-11-14 | 2013-05-08 | 湖北龙腾红旗电缆(集团)有限公司 | Low smoke halogen-free anti-ultraviolet frequency conversion cable |
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