CN110246620B - Halogen-free low-smoke fire-resistant subway light rail axle counting cable and wrapping equipment of cable - Google Patents
Halogen-free low-smoke fire-resistant subway light rail axle counting cable and wrapping equipment of cable Download PDFInfo
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- CN110246620B CN110246620B CN201910538053.1A CN201910538053A CN110246620B CN 110246620 B CN110246620 B CN 110246620B CN 201910538053 A CN201910538053 A CN 201910538053A CN 110246620 B CN110246620 B CN 110246620B
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- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 22
- 239000010445 mica Substances 0.000 claims abstract description 58
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 58
- 239000003365 glass fiber Substances 0.000 claims abstract description 57
- 229920000728 polyester Polymers 0.000 claims abstract description 57
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
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- 239000004020 conductor Substances 0.000 claims abstract description 13
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 12
- 229920003020 cross-linked polyethylene Polymers 0.000 claims abstract description 10
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- 229920000098 polyolefin Polymers 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 64
- 239000000463 material Substances 0.000 claims description 48
- 238000009434 installation Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000009954 braiding Methods 0.000 claims description 7
- 239000003063 flame retardant Substances 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 5
- 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 description 4
- 239000002994 raw material Substances 0.000 claims description 3
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- 238000003825 pressing Methods 0.000 claims 4
- 239000005028 tinplate Substances 0.000 claims 2
- 230000007797 corrosion Effects 0.000 abstract description 9
- 238000005260 corrosion Methods 0.000 abstract description 9
- 230000002265 prevention Effects 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 241000238631 Hexapoda Species 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 238000005452 bending Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 43
- 239000004945 silicone rubber Substances 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
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- 206010000369 Accident Diseases 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
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Classifications
-
- 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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- 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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
- H01B13/2613—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping
-
- 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
- H01B7/18—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
-
- 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 halogen-free low-smoke fire-resistant subway light rail axle counting cable which comprises a core wire, a polyester tape wrapping layer, a tinned wire woven shielding layer, a glass fiber tape wrapping layer, a mica tape wrapping layer, an aluminum sheath, a ceramic silicon rubber inner sheath, a steel tape armor and a halogen-free low-smoke fire-resistant polyolefin sheath, wherein the core wire comprises a tinned copper core conductor and a crosslinked polyethylene insulating layer, the outer side of the tinned copper core conductor is wrapped with the crosslinked polyethylene insulating layer, each two core wires are twisted into a pair to form a pair wire group, the polyester tape wrapping layer is arranged on the outer side of the pair wire group, the tinned wire woven shielding layer is arranged on the outer side of the polyester tape wrapping layer, and the glass fiber tape wrapping layer is wrapped on the outer side of the tinned wire woven shielding layer; the invention has the characteristics of high mechanical strength, good insulating property, strong fire resistance, bending capability and impact resistance, corrosion resistance, water resistance, insect and mouse damage prevention, electromagnetic interference prevention and the like, and is suitable for automatic blocking sections of electrified railways and subway and urban rail transit signal systems.
Description
Technical Field
The invention relates to the field of cable production, in particular to a halogen-free low-smoke fire-resistant subway light rail axle counting cable and wrapping equipment of the cable.
Background
The axle is a mounting device on the stations at two ends of the railway, the closed loop sensor arranged on the steel rail is used for monitoring the passing number of the wheel pairs of the train, the wheel pairs of the station are sent to the opposite station by using semi-automatic equipment after being detected by a microcomputer system and a door arranged indoors, and the opposite station receives the same automatic opening interval of the wheel pairs and the departure station after the train arrives at the opposite station, in other words, the axle is a railway signal device capable of detecting the passing number of wheels and replaces a plurality of common track circuits; the wrapping device of the wrapping layer of the cable is used for enabling the wrapping belt to rotate through the turntable and wrapping the wrapping belt on the core wire, and is mainly used for wrapping insulating core wires of electric wires, power cables, control cables, optical cables and the like.
Each detection point of the meter axle is connected to the evaluator through a special cable, so that the transmission performance and the safety performance of the cable are required to be high, and meanwhile, the metro light rail meter axle cable is used for an electrified railway automatic blocking section and a metro and urban rail traffic signal system and is required to have the characteristics of high mechanical strength, strong impact resistance, corrosion resistance, water resistance, insect damage prevention, electromagnetic interference prevention and the like; when the wrapping equipment of subway light rail meter axle cable is used for wrapping, the wrapping angle is difficult to adjust, the phenomenon of wrapping material folds can occur in the wrapping process, and the wrapping material of folds is directly wrapped on the cable, so that the problem of bulge of the cable produced subsequently is caused, and the quality and the use of the cable are seriously influenced.
Disclosure of Invention
The invention aims to provide a halogen-free low-smoke fire-resistant subway light rail axle counting cable and wrapping equipment thereof, and in order to overcome the defect that each detection point of the axle counting is connected to an evaluator through a special cable, the transmission performance and the safety performance of the cable are required to be high, and meanwhile, the subway light rail axle counting cable is used for an electrified railway automatic blocking section and a subway and urban rail traffic signal system and is required to have the characteristics of high mechanical strength, strong impact resistance, corrosion resistance, water resistance, insect damage prevention, electromagnetic interference prevention and the like; when carrying out the lapping and handling, the production facility of subway light rail meter axle cable often can appear lapping the angle and be difficult to adjust, can appear lapping the phenomenon of material fold simultaneously at the lapping process, and the lapping material of fold is direct to be lapped on the cable, and then causes the cable of follow-up production to appear the bulge problem, seriously influences the quality of cable and the technical problem who uses.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a fire-resistant subway light rail meter axle cable of no steamed low cigarette, includes heart yearn, polyester area around covering, tinned wire braided shield layer, glass fiber band around covering, mica tape around covering, aluminium sheath, ceramic silicone rubber inner sheath, steel tape armor and the fire-retardant polyolefin sheath of no steamed low cigarette, the heart yearn includes tinned copper core conductor and crosslinked polyethylene insulating layer, tinned copper core conductor outside parcel has crosslinked polyethylene insulating layer, wherein every two the heart yearn is twisted to form the pair group, the pair outside is provided with the polyester area around covering, the polyester area is provided with the tinned wire around covering outside, the outside parcel of tin wire braided shield layer has the glass fiber band around covering, the glass fiber band around covering outside winding has a plurality of layers the mica tape around covering, a plurality of layers the mica tape is provided with the aluminium sheath around the covering outside, the ceramic silicone rubber inner sheath is installed in the aluminium sheath outside, ceramic silicone rubber inner sheath outside is provided with the steel tape armor, the fire-retardant polyolefin sheath of no steamed low cigarette is installed around the steel tape armor outside the steel tape armor.
The utility model provides a wrapping equipment of steamed low fire-resistant subway light rail meter axle cable, this equipment includes base, cable wire outlet seat, cable receipts line seat, transmission box body, first servo motor, carousel, second servo motor and rotating electrical machines, cable wire outlet seat, transmission box body and cable receipts line seat are installed in proper order at the base top, wherein the transmission box body is located between cable wire outlet seat and the cable receipts line seat, first servo motor is installed to transmission box body one side, the surrounding groove has been seted up to transmission box body opposite side, first servo motor output just is located transmission box body internally mounted has first belt pulley, carousel one side fixed mounting has the second belt pulley, carousel and second belt pulley pass through the bearing suit in transmission box body inside;
the carousel opposite side is installed the slide, and the slide passes and encircle the groove, slide one side center department installs the connecting seat, the connecting seat is connected through the pivot with the swivel mount, and pivot and connecting seat rotate to be connected, and pivot and swivel mount fixed connection, rotating electrical machines is installed to the connecting seat top side, and the rotating electrical machines output is connected with the pivot, transmission case is installed to swivel mount one side, second servo motor is installed to transmission case one side one end, the fixed disk is installed to transmission case one side other end, and the transmission case output shaft passes the fixed disk and installs the material wheel, fixed disk one side top and below all are provided with the fixing base, fixing base internally mounted has the flattening pinch roller.
As a further scheme of the invention: the first belt pulley and the second belt pulley are in transmission connection through a belt.
As a further scheme of the invention: the utility model discloses a leveling pinch roller, including fixing base, spring, leveling pinch roller, spring, adjusting seat, fixing base inner wall, leveling pinch roller, both sides installation slider, the mounting groove has all been seted up to fixing base inner wall, and the mounting groove is located the spout top, mounting groove internally mounted has the spring, the adjusting seat is installed to the spring bottom, adjusting seat bottom and being located spout internally mounted has the installation slider, leveling pinch roller both ends are connected with both sides installation slider rotation, two the leveling pinch roller surface contacts.
As a further scheme of the invention: the fixed disk is fixedly connected with the outer side of the transmission case, the output shaft of the transmission case passes through the material wheel, an annular limiting block is arranged on one side of the material wheel outside the output shaft, an external thread is arranged on the other side of the material wheel outside the output shaft, and the material wheel is screwed and limited between the fixed nut and the limiting block through the external thread by the fixed nut.
As a further scheme of the invention: the cable starts from the cable take-up seat, passes through the transmission box body to complete wrapping, and is recovered at the cable outlet seat.
As a further scheme of the invention: the material wound on the outer side of the material wheel is one of polyester belts, glass fiber belts, wrapping bags and mica tapes.
As a further scheme of the invention: the connecting seat is movably connected with the swivel seat through a rotating shaft.
As a further scheme of the invention: the installation slider is in sliding installation in the spout, the regulation seat is in sliding installation in the mounting groove.
As a further scheme of the invention: the operation steps of the wrapping equipment for wrapping the subway light rail axle counting cable are as follows:
step one: firstly, placing a material wheel which is wound with polyester tape, glass fiber tape and mica tape raw materials on a fixed disc, then tightly screwing and limiting the material wheel between a fixed nut and a limiting block through the matching of the fixed nut and external threads of an output shaft, and then enabling a cable to pass through a through hole in a transmission box body from a cable take-up seat;
the first servo motor works to drive the first belt pulley to rotate, the second belt pulley is driven to rotate through belt transmission so as to drive the turntable to rotate, the sliding seat fixed on the turntable reciprocally rotates along the encircling groove, and further the polyester belt, the glass fiber belt wrapping and the mica tape on the fixed disc are evenly wrapped on the outer side of the cable, and the cable after wrapping is recovered through the cable take-up seat;
step three: in the wrapping process, a rotating shaft is driven to rotate through a rotating motor, a rotating seat is driven to rotate on a connecting seat, wrapping angles of a polyester belt, a glass fiber belt and a mica tape are adjusted, a second servo motor is driven through a transmission box and drives a material wheel limited on an output shaft to rotate, the lengths of the polyester belt, the glass fiber belt and the mica tape are matched with the rotating frequency of a rotating disc, the polyester belt, the glass fiber belt and the mica tape are always in a tight state to be wrapped in the wrapping process, the polyester belt, the glass fiber belt and the mica tape are simultaneously flattened and shaped through two flattening pinch rollers which are in contact with the outer surface before wrapping, the flattening pinch rollers are mounted on a mounting sliding block, an adjusting seat above the mounting sliding block is connected with a spring, and the two flattening pinch rollers are mutually extruded under the action of the spring for different wrapping materials;
step four: and sequentially wrapping the polyester tape, the glass fiber tape and the mica tape outside the cable to finish the production of the polyester tape wrapping layer, the glass fiber tape wrapping layer and the mica tape wrapping layer of the cable.
Compared with the prior art, the invention has the beneficial effects that:
1. the subway light rail axle counting cable adopts the tinned copper core conductor, can prevent copper corrosion and discoloration, has more excellent conductor performance, greatly improves the performance after crosslinking modification compared with polyethylene insulation, not only remarkably improves the comprehensive performances such as mechanical property, environmental stress cracking resistance, chemical corrosion resistance, creep resistance, electrical property and the like, but also remarkably improves the temperature resistance level, and twisted each two core wires to form an alignment group, and is braided and shielded by tin-plated wires to play a role in electromagnetic interference resistance;
2. the cable core is protected when a fire accident happens, the external aluminum tape of the mica tape is longitudinally covered with a sheath, so that the cable core has anti-interference performance, simultaneously has the performance of corrosion resistance, water resistance and the like, and is extruded to form a layer of ceramic silicon rubber inner sheath which is used as the inner sheath and has excellent fireproof performance, a layer of hard crust can be formed when a fire happens, flame and temperature are prevented from being transmitted inwards, steel belts are used for armor, the shock resistance of the cable is improved, the outer sheath is made of environment-friendly halogen-free low-smoke flame retardant polyolefin materials, toxic and corrosive gases are not generated when the fire happens, the harm to human bodies is reduced, and the national environment-friendly requirement is met;
3. in the process of wrapping production equipment of the subway light rail axle counting cable, a rotating motor drives a rotating shaft to rotate at first, then a rotating seat is driven to rotate on a connecting seat, wrapping angles of a polyester belt, a glass fiber belt and a mica tape are adjusted, meanwhile, a second servo motor drives a material wheel limited on an output shaft to rotate through a transmission box, the lengths of the material wheel output polyester belt, the glass fiber belt and the mica tape are matched with the rotating frequency of a rotating disc, the polyester belt, the glass fiber belt and the mica tape are always in a tight state to be wrapped in the wrapping process, the tight fit between wrapping layers is ensured, and the diameter of the cable is reduced;
4. simultaneously, when the polyester belt, the glass fiber belt are wrapped and mica tapes are subjected to the leveling pinch rollers which are contacted with the outer surface before wrapping, the leveling pinch rollers are arranged on the installation sliding block, the adjusting seat above the installation sliding block is connected with the springs, and the two leveling pinch rollers are mutually extruded under the action of the springs aiming at different wrapping materials, and the leveling pinch rollers which are mutually contacted and extruded carry out flattening shaping on the polyester belt, the glass fiber belt and the mica tapes, so that the tight fit of wrapping layers is ensured, the subsequent swelling phenomenon is eliminated, and the overall quality of products is improved.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a cross-sectional view of a metro light rail axle counting cable of the present invention;
FIG. 2 is a schematic diagram of the production equipment structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the transmission case of the present invention;
FIG. 4 is an enlarged view of area A of FIG. 2 in accordance with the present invention;
FIG. 5 is a cross-sectional view of the connector and swivel mount of the invention;
FIG. 6 is a cross-sectional view of a holding pan of the present invention;
fig. 7 is a cross-sectional view of a holder according to the present invention.
In the figure: 1. tinning a copper core conductor; 2. a crosslinked polyethylene insulating layer; 3. a polyester tape wrapping layer; 4. braiding a shielding layer by tinning wires; 5. glass fiber tape wrapping layer; 6. wrapping the mica tape; 7. an aluminum sheath; 8. a ceramic silicone rubber inner sheath; 9. steel tape armoring; 10. a halogen-free low smoke flame retardant polyolefin sheath; 11. a base; 12. a cable outlet seat; 13. a cable take-up seat; 14. a transmission case; 15. a surrounding groove; 16. a first servo motor; 17. a first pulley; 18. a turntable; 19. a second pulley; 20. a bearing; 21. a slide; 22. a fixed plate; 23. a transmission case; 24. a second servo motor; 25. a connecting seat; 26. a rotating electric machine; 27. a rotating shaft; 28. rotating base; 29. a material wheel; 30. a fixing seat; 31. leveling the pinch roller; 32. a fixing nut; 33. an external thread; 34. a limiting block; 35. a mounting groove; 36. a chute; 37. a spring; 38. an adjusting seat; 39. and (5) installing a sliding block.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the halogen-free low-smoke fire-resistant subway light rail axle counting cable comprises a core wire, a polyester tape wrapping layer 3, a tinned wire braiding shielding layer 4, a glass fiber tape wrapping layer 5, a mica tape wrapping layer 6, an aluminum sheath 7, a ceramic silicon rubber inner sheath 8, a steel tape armor 9 and a halogen-free low-smoke fire-resistant polyolefin sheath 10, wherein the core wire comprises a tinned copper core conductor 1 and a crosslinked polyethylene insulating layer 2, the tinned copper core conductor 1 is wrapped with the crosslinked polyethylene insulating layer 2, each two core wires are twisted to form a pair of wires, the outside of the pair of wires is provided with the polyester tape wrapping layer 3, the outside of the polyester tape wrapping layer 3 is provided with the tinned wire braiding shielding layer 4, the outside of the pair of wires is wrapped with the glass fiber tape wrapping layer 5 after being cabled, the outside of the glass fiber tape wrapping layer 5 is wrapped with a plurality of mica tape wrapping layers 6, the plurality of mica tape wrapping layers are arranged outside the aluminum sheath 7, the ceramic silicon rubber inner sheath 8 is mounted outside the aluminum sheath 7, the ceramic silicon rubber inner sheath 8 is arranged outside the ceramic silicon rubber inner sheath 9 is arranged outside the plurality of mica tape wrapping layers 6, and the halogen-free fire-resistant polyolefin sheath 10 is mounted outside the steel tape armor 10.
Referring to fig. 2-7, the wrapping equipment of the halogen-free low-smoke fire-resistant subway light rail axle counting cable comprises a base 11, a cable outlet seat 12, a cable take-up seat 13, a transmission box body 14, a first servo motor 16, a rotary table 18, a second servo motor 24 and a rotating motor 26, wherein the cable outlet seat 12, the transmission box body 14 and the cable take-up seat 13 are sequentially arranged at the top of the base 11, the transmission box body 14 is positioned between the cable outlet seat 12 and the cable take-up seat 13, the first servo motor 16 is arranged on one side of the transmission box body 14, a surrounding groove 15 is formed on the other side of the transmission box body 14, the rotary table 18 limits the rotation process of a sliding seat 21 through the surrounding groove 15, a first belt pulley 17 is arranged at the output end of the first servo motor 16 and positioned in the transmission box body 14, a second belt pulley 19 is fixedly arranged on one side of the rotary table 18, the rotary table 18 and the second belt pulley 19 are sleeved in the transmission box body 14 through a bearing 20, the first belt pulley 17 drives the second belt pulley 19 to rotate through the belt transmission, and further drives the rotary table 18 to rotate in the transmission box body 14 through the bearing 20;
the slide 21 is installed to carousel 18 opposite side, and slide 21 passes and encircle the groove 15, connecting seat 25 is installed to slide 21 one side center department, connecting seat 25 and swivel mount 28 are connected through pivot 27, and pivot 27 and connecting seat 25 rotate and be connected, and pivot 27 and swivel mount 28 fixed connection, rotating electrical machines 26 are installed to connecting seat 25 top side, and rotating electrical machines 26 output is connected with pivot 27, rotating electrical machines 26 work drive swivel mount 28 rotate at connecting seat 25 and adjust the angle of wrapping, transmission case 23 is installed to swivel mount 28 one side, the transmission of second servo motor 24 is realized to transmission case 23, second servo motor 24 is installed to transmission case 23 one side one end, fixed disk 22 is installed to transmission case 23 one side other end, and transmission case 23 output shaft passes fixed disk 22 and installs material wheel 29, fixed disk 22 one side top and below all are provided with fixing base 30, fixing base 30 internally mounted has flattening pinch roller 31, carry out flattening reason shape to the wrapping material.
The first pulley 17 and the second pulley 19 are connected by a belt transmission, and the transmission between the first pulley 17 and the second pulley 19 is performed by a belt.
The mounting groove 35 and the spout 36 have all been seted up to fixing base 30 inner wall, and the mounting groove 35 is located spout 36 top, mounting groove 35 internally mounted has spring 37, adjusting seat 38 is installed to spring 37 bottom, adjusting seat 38 bottom and be located spout 36 internally mounted and install slider 39, leveling pinch roller 31 both ends and both sides installation slider 39 rotate to be connected, the leveling pinch roller 31 that two leveling pinch rollers 31 surface contacted before lapping, the glass fiber band lapping and mica tape pass through surface contact when the leveling pinch roller 31, leveling pinch roller 31 installs at the installation slider 39, and adjusting seat 38 and spring 37 of installation slider 39 top, for different lapping materials, two leveling pinch rollers 31 all can extrudees each other, the leveling pinch roller 31 through two mutual contact extrusions flattens the shaping to the polyester band, glass fiber band lapping and mica tape.
The fixed disk 22 and the outside fixed connection of transmission case 23, the transmission case 23 output shaft passes material wheel 29, the output shaft outside just is located material wheel 29 one side and is provided with annular stopper 34, the external screw thread 33 has been seted up to the output shaft outside just be located material wheel 29 opposite side, material wheel 29 passes through fixation nut 32 and screws up spacing between fixation nut 32 and stopper 34 at external screw thread 33, unscrew fixation nut 32, can change material wheel 29, screw up fixation nut 32 and realize spacing fixed with material wheel 29, be convenient for change around the production of package material completion cable.
The cable starts from the cable take-up seat 13, passes through the transmission box body 14 to complete wrapping, and is recovered at the cable outlet seat 12.
The material wound outside the material wheel 29 is one of polyester tape, glass fiber tape wrapping and mica tape, and the polyester tape wrapping layer 3, glass fiber tape wrapping layer 5 and mica tape wrapping layer 6 of the cable can be finished on the production equipment.
The connecting seat 25 is movably connected with the rotating seat 28 through the rotating shaft 27, so that the rotating motor 26 is convenient to drive the rotating shaft 27 to rotate, and then the rotating seat 28 is driven to rotate on the connecting seat 25, and the wrapping angles of the polyester belt, the glass fiber belt wrapping and the mica tape are adjusted.
The installation slider 39 is slidably installed in the sliding groove 36, the adjusting seat 38 is slidably installed in the installation groove 35, and the springs 37 in the upper and lower fixing seats 30 stretch according to different wrapping materials, but the upper and lower leveling pinch rollers 31 always keep contact extrusion.
The operation steps of the wrapping equipment for wrapping the subway light rail axle counting cable are as follows:
step one: firstly, placing a material wheel 29 which is wound with polyester tape, glass fiber tape and mica tape raw materials on a fixed disc 22, then tightly screwing and limiting between a fixed nut 32 and a limiting block 34 through the matching of the fixed nut 32 and an external thread 33 of an output shaft, and then enabling a cable to pass through a through hole in a transmission box body 14 from a cable take-up seat 13;
the first servo motor 16 works to drive the first belt pulley 17 to rotate, the belt drives the second belt pulley 19 to rotate so as to drive the turntable 18 to rotate, the sliding seat 21 fixed on the turntable 18 reciprocally rotates along the encircling groove 15, and further the polyester belt, the glass fiber belt wrapping and the mica belt on the fixed disc 22 are evenly wrapped to the outer side of the cable, and the cable after wrapping is recovered through the cable take-up seat 13;
step three: in the wrapping process, the rotating motor 26 drives the rotating shaft 27 to rotate, the rotating seat 28 is driven to rotate on the connecting seat 25, the wrapping angle of the polyester belt, the glass fiber belt and the mica tape is adjusted, the second servo motor 24 is driven by the transmission box 23 to drive the material wheel 29 limited on the output shaft to rotate, the lengths of the polyester belt, the glass fiber belt and the mica tape are matched with the rotating frequency of the turntable 18, the polyester belt, the glass fiber belt and the mica tape are always kept in a tight state to be wrapped in the wrapping process, the polyester belt, the glass fiber belt and the mica tape are simultaneously arranged on the installation sliding block 39 when the polyester belt, the glass fiber belt and the mica tape pass through the leveling pinch roller 31 with the outer surface being contacted before wrapping, the adjustment seat 38 above the installation sliding block 39 is connected with the spring 37, the two leveling pinch rollers 31 are mutually extruded under the action of the spring 37, and the polyester belt, the glass fiber belt and the mica tape are evenly flattened by the two leveling pinch rollers 31 which are mutually contacted and extruded;
step four: and sequentially wrapping the polyester tape, the glass fiber tape and the mica tape outside the cable, and completing the production of the polyester tape wrapping layer 3, the glass fiber tape wrapping layer 5 and the mica tape wrapping layer 6 of the cable.
According to the invention, through reasonable structural design, the tinned copper core conductor 1 is adopted in the metro light rail axle counting cable, copper corrosion and discoloration can be prevented, the conductor performance is more excellent, compared with polyethylene insulation, the performance of the crosslinked polyethylene insulation is greatly improved after crosslinking modification, the comprehensive performances such as mechanical property, environmental stress cracking resistance, chemical corrosion resistance, creep resistance and electrical property are obviously improved, and the temperature resistance level is obviously improved; then twisted every two core wires to form a pair of wires, braided and shielded by tin-plated wires to play a role in preventing electromagnetic interference, twisted each pair of wires, wrapped by glass fiber belts, wound by multi-layer mica tapes to play a role in protecting the cable cores when a fire accident occurs, so as to ensure normal operation of the cable, the mica tapes are externally provided with aluminum tape longitudinal wrapping jackets to play a role in resisting interference, and meanwhile, the pair of wires have the properties of corrosion resistance, water resistance and the like, and then a layer of ceramic silicone rubber inner protective layer 8 is extruded to serve as an inner protective layer, and has excellent fireproof performance, so that a layer of hard shell is formed when a fire occurs, flame and temperature are prevented from being transmitted inwards, steel belts are used for armor, the shock resistance of the cable is improved, the outer protective layer is made of environment-friendly halogen-free low-smoke flame retardant polyolefin materials when the fire occurs, no toxic or corrosive gas is generated, and the harm to human body is reduced, and the national environment-friendly requirements are met; the production equipment of the subway light rail axle counting cable is characterized in that a rotating motor 26 drives a rotating shaft 27 to rotate, a rotating seat 28 is driven to rotate on a connecting seat 25, wrapping angles of a polyester belt, a glass fiber belt and a mica tape are adjusted, a second servo motor 24 is driven by a transmission box 23 to drive a material wheel 29 limited on an output shaft to rotate, the length of the material wheel 29 outputs the polyester belt, the glass fiber belt and the mica tape to be matched with the rotating frequency of a turntable 18, the polyester belt, the glass fiber belt and the mica tape are always in a tight state to be wrapped in the wrapping process, and the tight fit between wrapping layers is ensured; simultaneously, when the polyester belt, the glass fiber belt and the mica tape are wrapped and pass through the leveling pinch rollers 31 with the outer surfaces in contact before wrapping, the leveling pinch rollers 31 are installed on the installation sliding blocks 39, the adjusting seat 38 above the installation sliding blocks 39 is connected with the springs 37, and two leveling pinch rollers 31 are mutually extruded under the action of the springs 37 for different wrapping materials, and the leveling pinch rollers 31 are used for flattening and shaping the polyester belt, the glass fiber belt and the mica tape through the two mutually contacted extrusion, so that the tight fitting of wrapping layers is ensured, the subsequent swelling phenomenon is eliminated, and the overall quality of products is improved.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (8)
1. The winding equipment for the halogen-free low-smoke fire-resistant subway light rail axle counting cable is characterized by comprising a base (11), a cable outgoing seat (12), a cable winding seat (13), a transmission box body (14), a first servo motor (16), a rotary table (18), a second servo motor (24) and a rotating motor (26), wherein the cable outgoing seat (12), the transmission box body (14) and the cable winding seat (13) are sequentially installed at the top of the base (11), the transmission box body (14) is positioned between the cable outgoing seat (12) and the cable winding seat (13), a first servo motor (16) is installed on one side of the transmission box body (14), a surrounding groove (15) is formed in the other side of the transmission box body (14), the output end of the first servo motor (16) is positioned in the transmission box body (14), a first belt pulley (17) is installed at the output end of the first servo motor (16), a second belt pulley (19) is fixedly installed on one side of the rotary table (18), and the rotary table (18) and the second belt pulley (19) are sleeved in the transmission box body (14) through a bearing (20);
the rotary table is characterized in that a sliding seat (21) is arranged on the other side of the rotary table (18), the sliding seat (21) penetrates through a surrounding groove (15), a connecting seat (25) is arranged at the center of one side of the sliding seat (21), the connecting seat (25) is connected with a rotating seat (28) through a rotating shaft (27), the rotating shaft (27) is rotationally connected with the connecting seat (25), the rotating shaft (27) is fixedly connected with the rotating seat (28), a rotating motor (26) is arranged on the top side of the connecting seat (25), the output end of the rotating motor (26) is connected with the rotating shaft (27), a transmission case (23) is arranged on one side of the rotating seat (28), a second servo motor (24) is arranged at one end of one side of the transmission case (23), a fixed disc (22) is arranged at the other end of one side of the transmission case (23), an output shaft of the transmission case (23) penetrates through the fixed disc (22), a fixed seat (30) is arranged above and below one side of the fixed disc (22), and a leveling wheel (31) is arranged inside the fixed seat (30).
The first belt pulley (17) and the second belt pulley (19) are connected through belt transmission;
mounting groove (35) and spout (36) have been seted up to fixing base (30) inner wall, and mounting groove (35) are located spout (36) top, mounting groove (35) internally mounted has spring (37), adjusting seat (38) are installed to spring (37) bottom, adjusting seat (38) bottom just is located spout (36) internally mounted and has installation slider (39), leveling pinch roller (31) both ends are connected with both sides installation slider (39) rotation, two leveling pinch roller (31) surface contacts.
2. The lapping device for the halogen-free low-smoke fire-resistant subway light rail axle counting cable according to claim 1, wherein the fixed disc (22) is fixedly connected with the outer side of the transmission case (23), an output shaft of the transmission case (23) penetrates through the material wheel (29), an annular limiting block (34) is arranged on the outer side of the output shaft and positioned on one side of the material wheel (29), an external thread (33) is arranged on the outer side of the output shaft and positioned on the other side of the material wheel (29), and the material wheel (29) is tightly limited between the fixed nut (32) and the limiting block (34) through the fixed nut (32) on the outer side of the external thread (33).
3. The wrapping equipment of the halogen-free low-smoke fire-resistant subway light rail axle counting cable according to claim 1 is characterized in that the cable starts from a cable take-up seat (13), passes through a transmission box body (14) to complete wrapping, and is recovered in a cable outlet seat (12).
4. The wrapping device of the halogen-free low-smoke fire-resistant subway light rail axle counting cable according to claim 1, wherein the material wound on the outer side of the material wheel (29) is one of polyester belts, glass fiber belts and mica belts.
5. The wrapping equipment of the halogen-free low-smoke fire-resistant subway light rail axle counting cable according to claim 1, wherein the connecting seat (25) is movably connected with the swivel seat (28) through a rotating shaft (27).
6. The lapping device of the halogen-free low smoke fire-resistant subway light rail axle counting cable according to claim 1, wherein the installation sliding block (39) is slidably installed in the sliding groove (36), and the adjusting seat (38) is slidably installed in the installation groove (35).
7. The wrapping equipment of the halogen-free low-smoke fire-resistant subway light rail axle counting cable according to claim 1, wherein the operation steps of the wrapping equipment for wrapping the subway light rail axle counting cable are as follows:
step one: firstly, placing a material wheel (29) which is wound with polyester tape, glass fiber tape and mica tape raw materials on a fixed disc (22), then tightly limiting between a fixed nut (32) and a limiting block (34) through the matching of the fixed nut (32) and external threads (33) of an output shaft, and then enabling a cable to pass through a through hole in a transmission box body (14) from a cable take-up seat (13);
the first servo motor (16) works to drive the first belt pulley (17) to rotate, the belt drives the second belt pulley (19) to rotate so as to drive the turntable (18) to rotate, the sliding seat (21) fixed on the turntable (18) reciprocally rotates along the encircling groove (15), and further polyester belts, glass fiber belts and mica tapes on the fixed disc (22) are uniformly wound to the outer side of the cable, and the wound cable is recovered through the cable take-up seat (13);
step three: in the wrapping process, a rotating shaft (27) is driven to rotate through a rotating motor (26) at first, a rotating seat (28) is driven to rotate on a connecting seat (25), wrapping angles of a polyester belt, a glass fiber belt and a mica tape are adjusted, a second servo motor (24) is driven through a transmission box (23) to drive a material wheel (29) limited on an output shaft to rotate, the length of the material wheel (29) outputs the polyester belt, the length of the glass fiber belt and the length of the mica tape are matched with the rotating frequency of a rotating disc (18), the polyester belt, the glass fiber belt and the mica tape are always in a tight state in the wrapping process, the polyester belt, the glass fiber belt and the mica tape are all the time wrapped, and simultaneously when the polyester belt, the glass fiber belt and the mica tape are subjected to flattening pressing wheels (31) which are contacted with the outer surface before wrapping, the flattening pressing wheels (31) are installed on an installation sliding block (39), an adjusting seat (38) above the installation sliding block (39) is connected with a spring (37), and the two pressing wheels (31) are pressed by the two flattening pressing wheels (31) under the action of the spring (37) to mutually contact with each other to flatten the polyester belt and the glass fiber belt;
step four: and sequentially wrapping the polyester tape, the glass fiber tape and the mica tape outside the cable to finish wrapping production of the polyester tape wrapping layer (3), the glass fiber tape wrapping layer (5) and the mica tape wrapping layer (6) of the cable.
8. The halogen-free low-smoke fire-resistant subway light rail axle counting cable is characterized by being manufactured by the wrapping equipment of the halogen-free low-smoke fire-resistant subway light rail axle counting cable according to claim 7, and comprises a core wire, a polyester tape wrapping layer (3), a tinplate wire braiding shielding layer (4), a glass fiber tape wrapping layer (5), a mica tape wrapping layer (6), an aluminum sheath (7), a ceramic silicon rubber inner sheath (8), a steel tape armor (9) and a halogen-free low-smoke fire-resistant polyolefin sheath (10), wherein the core wire comprises a tinned copper core conductor (1) and a crosslinked polyethylene insulating layer (2), the tinned copper core conductor (1) is wrapped with the crosslinked polyethylene insulating layer (2), each two core wires are twisted to form an alignment group, the outside of the alignment group is provided with the polyester tape wrapping layer (3), the outside of the polyester tape wrapping layer (3) is provided with the tinplate wire braiding shielding layer (4), the outside of the tin wire braiding shielding layer (4) is provided with the glass fiber tape wrapping layer (5), the outside of the mica tape wrapping layer (5) is wound with a plurality of layers, the outside of the aluminum tape braiding shielding layer (6) is provided with the ceramic silicon rubber inner sheath (7), the outer side of the steel tape armor (9) is provided with a halogen-free low-smoke flame-retardant polyolefin sheath (10).
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| CN201910538053.1A CN110246620B (en) | 2019-06-20 | 2019-06-20 | Halogen-free low-smoke fire-resistant subway light rail axle counting cable and wrapping equipment of cable |
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| CN201910538053.1A CN110246620B (en) | 2019-06-20 | 2019-06-20 | Halogen-free low-smoke fire-resistant subway light rail axle counting cable and wrapping equipment of cable |
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| CN111584164B (en) * | 2020-06-02 | 2021-08-10 | 周玉旗 | Cable insulation layer coating device for improving coating tightness |
| CN112735644B (en) * | 2020-12-30 | 2022-10-14 | 安徽远征电缆科技有限公司 | For military use on-vehicle resistant light cable of separating of hydrolysising |
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