CN116844770A - Bending-resistant mining cable and preparation method thereof - Google Patents
Bending-resistant mining cable and preparation method thereof Download PDFInfo
- Publication number
- CN116844770A CN116844770A CN202310918458.4A CN202310918458A CN116844770A CN 116844770 A CN116844770 A CN 116844770A CN 202310918458 A CN202310918458 A CN 202310918458A CN 116844770 A CN116844770 A CN 116844770A
- Authority
- CN
- China
- Prior art keywords
- rope
- periphery
- kevlar
- filling
- ropes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005452 bending Methods 0.000 title claims abstract description 23
- 238000005065 mining Methods 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 229920000271 Kevlar® Polymers 0.000 claims abstract description 55
- 229920001971 elastomer Polymers 0.000 claims abstract description 55
- 239000004761 kevlar Substances 0.000 claims abstract description 55
- 239000010445 mica Substances 0.000 claims abstract description 26
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 26
- 238000009941 weaving Methods 0.000 claims abstract description 17
- 229920000742 Cotton Polymers 0.000 claims abstract description 14
- 239000006260 foam Substances 0.000 claims abstract description 14
- 238000004804 winding Methods 0.000 claims description 18
- 229920002379 silicone rubber Polymers 0.000 claims description 11
- 238000009954 braiding Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 5
- 239000004945 silicone rubber Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims 2
- 239000000945 filler Substances 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 description 13
- 239000004033 plastic Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
- H01B7/1825—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments forming part of a high tensile strength core
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/02—Stranding-up
-
- 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
- H01B13/221—Sheathing; Armouring; Screening; Applying other protective layers filling-up interstices
-
- 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
-
- 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
- H01B13/2606—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by braiding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
- H01B7/041—Flexible cables, conductors, or cords, e.g. trailing cables attached to mobile objects, e.g. portable tools, elevators, mining equipment, hoisting cables
-
- 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
- H01B7/1865—Sheaths comprising braided non-metallic layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1895—Internal space filling-up means
-
- 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
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
- H01B7/423—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation using a cooling fluid
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Ropes Or Cables (AREA)
Abstract
The invention discloses a bending-resistant mining cable and a preparation method thereof, the mining cable comprises a main electric core, a plurality of main electric cores are arranged, a central filling rope is arranged between the plurality of main electric cores, triangular filling ropes are arranged in gaps between the adjacent main electric cores, a first binding rope is sleeved on the periphery of each triangular filling rope in a sleeved mode, the first binding rope is spirally wound on the periphery of each triangular filling rope, a mica tape is sleeved on the periphery of each first binding rope, a Kevlar weaving layer is sleeved on the periphery of each mica tape, an armor shielding layer is sleeved on the periphery of each Kevlar weaving layer, a plurality of rectangular rubber pipes are fixedly connected to the periphery of each armor shielding layer, a second binding rope is sleeved on the periphery of each rectangular rubber pipe, an outer jacket is sleeved on the periphery of each second binding rope and each rectangular rubber pipe, the radial compression resistance of each rectangular rubber pipe is improved through the foam cotton filling layer, and the whole tensile resistance and bending resistance of the cable are further improved through alternate Kevlar weaving layers of all Kevlar ropes.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a bending-resistant mining cable and a preparation method thereof.
Background
The cable is an electric energy or signal transmission device, and is usually composed of several wires or groups of wires, and the mining cable is short for the cable for the coal mine, and the cable for the coal mine has the advantages of complex use environment, severe working condition, frequent movement and short service life.
The patent document with the publication number of CN112397236B discloses a mining extrusion-resistant and wear-resistant cable, which belongs to the technical field of cables and comprises a cable body, wherein cable cores are arranged at the middle position inside the cable body at equal intervals by taking the circle center of the cable body as the circle center, a filling layer is extruded inside the cable body outside the cable cores, and an inner sheath layer is extruded inside the cable body outside the metal braiding layer. According to the cable body extrusion-resistant device, the inner side of the rubber arc extrusion block is used for extruding the air bag to deform the air bag, meanwhile, the rubber arc extrusion block is buffered, and part of longitudinal extrusion force is reduced, so that the extrusion-resistant effect of the cable body is improved, on the other hand, the rubber annular extrusion block is pushed to slide along the metal wire, and the longitudinal extrusion force caused to the cable body is changed into transverse sliding force, so that the longitudinal extrusion force to the cable body is reduced again, and the extrusion-resistant effect of the cable body is further improved.
The device has the following defects that the device lacks an axial tension resistant structure when in use, the cable is easy to deform and crack in the continuous pulling and winding process, accidents are caused, and the device lacks a protection structure, so that foreign matters are often embedded into or even pierce through the cable when the outer surface of the device is cracked and damaged, accidents are caused, and meanwhile, the device cannot cool and insulate the cable which works for a long time and cannot adapt to extreme environments and long-time working requirements.
Disclosure of Invention
The invention aims to solve the problems and the defects, and provides a bending-resistant mining cable and a preparation method thereof, so that the overall working efficiency is improved.
The technical problems solved by the invention are as follows:
(1) When the device is used, the structure for resisting the axial tension is lacking, so that the cable is easy to deform and crack in the continuous pulling and winding process, and accidents are caused;
(2) The device lacks a protection structure, so that foreign matters are often embedded into or even puncture a cable when the outer surface of the device is cracked and damaged, thereby causing accidents;
(3) The device can not cool and insulate the cable which works for a long time, and can not adapt to the extreme environment and the requirement of long-time work.
The aim of the invention can be achieved by the following technical scheme: the utility model provides a mining cable of nai bending, including main electric core, main electric core is equipped with a plurality of, be equipped with the center filling rope between a plurality of main electric core, be equipped with the triangle filling rope in the clearance of adjacent main electric core, the periphery cover of triangle filling rope is equipped with first constraint rope, first constraint rope is spiral winding in the periphery of all triangle filling ropes, the mica tape has been cup jointed to the periphery of first constraint rope, the periphery cover in mica tape is equipped with the kevlar weaving layer, the periphery cover of kevlar weaving layer is equipped with the armor shielding layer, the periphery fixedly connected with a plurality of rectangle rubber tube of armor shielding layer, the periphery cover of rectangle rubber tube is equipped with the second constraint rope, the periphery common cover of second constraint rope and rectangle rubber tube is equipped with the oversheath.
As a further scheme of the invention, the second binding ropes are spirally wound on the peripheries of all the rectangular rubber pipes, a plurality of main electric cores are uniformly distributed around the central filling rope at equal angles, and adjacent main electric cores are abutted and parallel to each other.
As a further scheme of the invention, the bottom side edges of the adjacent rectangular rubber pipes are mutually abutted, a silicon rubber strip is filled between the adjacent rectangular rubber pipes, and a foam cotton filling layer is filled in each rectangular rubber pipe.
As a further scheme of the invention, a central anti-pulling rope is penetrated in the axle center of the central filling rope, a plurality of Kevlar pulling ropes are arranged in the central anti-pulling rope, the central anti-pulling rope is formed by twisting a plurality of Kevlar pulling ropes, each Kevlar pulling rope is formed by twisting Kevlar filaments, and the twisting direction of the Kevlar pulling ropes is opposite to that of the central anti-pulling rope.
As a further scheme of the invention, the middle part of the triangular filling rope is penetrated with a secondary anti-pulling rope, the secondary anti-pulling rope is provided with a plurality of Kevlar pulling ropes, the secondary anti-pulling rope is formed by twisting a plurality of Kevlar pulling ropes, each Kevlar pulling rope is formed by twisting, the twisting direction of the Kevlar pulling ropes is opposite to that of the secondary anti-pulling rope, and the diameter of the secondary anti-pulling rope is one half of that of the central anti-pulling rope.
As a further scheme of the invention, a plurality of connecting blocks which are uniformly distributed at equal intervals are fixedly sleeved on the auxiliary anti-pulling rope, a clamping ring is fixedly sleeved on the periphery of the connecting block, and the clamping ring is clamped in the triangular filling rope and fixedly connected with the triangular filling rope.
As a further scheme of the invention, the Kevlar weaving layer is alternately woven by a plurality of Kevlar stay wires and is coated on the periphery of the mica tape, and a plurality of rectangular rubber tubes are uniformly distributed on the periphery of the armor shielding layer at equal angles.
As a further aspect of the invention, the mica tape is spirally wound on the outer side of the first binding rope and is abutted against the triangular filling rope, and the spiral winding direction of the mica tape is opposite to that of the first binding rope.
The preparation method of the bending-resistant mining cable comprises the following steps:
step one: repeatedly twisting to form a central anti-pulling rope, extruding and shaping at the periphery to form a central filling rope;
step two: repeatedly twisting to manufacture auxiliary tensile ropes, fixedly sleeving connecting blocks and clamping rings, and extruding and shaping the outer periphery to form triangular filling ropes;
step three: main cells are arranged outside the central filling rope, gaps are filled by the central filling rope and the triangular filling rope, and the periphery of the main cells forms a right cylindrical structure;
step four: sequentially winding a first binding rope and a mica tape;
step five: braiding and wrapping the Kevlar braiding layer;
step six: weaving and wrapping an armored shielding layer and coating a silicon rubber layer;
step seven: wrapping and attaching a rectangular rubber tube, filling foam cotton in the rectangular rubber tube to form a foam cotton filling layer, winding a second binding rope, and attaching a silicone rubber layer;
step eight: extruding and attaching the outer sheath, and then spraying codes, cutting and rolling to finish the preparation.
The invention has the beneficial effects that:
(1) The central filling ropes are axial lines, all the main electric cores are uniformly distributed at equal angles around the central filling ropes, the triangular filling ropes are bundled by the first binding ropes, the support and protection of the central filling ropes to the main electric cores are ensured, the outer peripheral side surfaces of all the triangular filling ropes form cambered surfaces and form a circumference together, the mica tape is convenient to wrap, an integral rope is formed by continuously twisting, a tensile structure is formed by the mutual matching of an auxiliary anti-pulling rope and the central anti-pulling rope, when the auxiliary anti-pulling rope bears pulling force, the triangular filling ropes and the auxiliary anti-pulling rope are connected into a whole through connecting blocks and card rings to bear together, the bearing capacity of the integral structure is improved, and the integral tensile property and bending resistance are further improved by alternately braiding Cheng Kaifu pull braiding layers by each strand of Kevlar pulling ropes, so that the cable is integral and resistant to bending;
(2) When the cable is subjected to radial pressure, the buffer layer is formed through the rectangular rubber tube, the buffer layer is used for preventing the internal main wire core from being deformed under pressure, the overall service life of the cable is prolonged, the central filling rope is used for filling the inner parts among six main wires, the triangular filling rope is used for filling the outer parts among the six main wires, the central filling rope and the triangular filling rope are used for supporting the main wires together, so that the stability of the main wires is ensured, the main wires are prevented from deflecting in the assembling and laying process, the main wires are prevented from being damaged to cause circuit faults, and meanwhile, the supporting force borne by the main wires is ensured to be equal through the filling rope instead of a plastic extrusion structure, the central filling rope and the triangular filling rope are ensured to be filled in gaps, so that gaps and bubbles are eliminated, and the tensile property is improved;
(3) Can be according to different demands at the inside packing different substances of rectangle rubber tube, improve the radial compressive resistance of rectangle rubber tube through the cotton filling layer of foam to improve freezing resistance for the cable, make the cable can be used for cold region, in hot environment, through letting in water or nonconductive refrigerant in hollow rectangle rubber tube, thereby for the cable cooling, make the cable can be used for hot environment, thereby make the cable can be used for multiple region, improved application range.
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 schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a cable core structure according to the present invention;
FIG. 3 is a schematic view of a partial construction of the auxiliary tensile cord of the present invention;
FIG. 4 is a schematic cross-sectional view of the present invention;
FIG. 5 is an enlarged schematic view of area A of FIG. 4;
in the figure: 1. a main cell; 2. a center fill cord; 3. a central tensile cord; 4. a triangular filling rope; 5. an auxiliary pull-resistant rope; 6. a first tether line; 7. a mica tape; 8. a kevlar braid; 9. an armor shielding layer; 10. rectangular rubber tubes; 11. a second tether line; 12. an outer sheath; 13. a card ring; 14. a connecting block; 15. a foam cotton filling layer.
Detailed Description
In order to further describe the technical means and effects adopted by the present invention for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.
Please refer to fig. 1-5: the utility model provides a resistant mining cable that buckles, including main electric core 1, main electric core 1 is equipped with a plurality of, be equipped with center fill rope 2 between a plurality of main electric core 1, be equipped with triangle fill rope 4 in the clearance of adjacent main electric core 1, the periphery cover of triangle fill rope 4 is equipped with first constraint rope 6, first constraint rope 6 is spiral winding in the periphery of all triangle fill ropes 4, mica tape 7 has been cup jointed to the periphery of first constraint rope 6, mica tape 7 is spiral winding in the outside of first constraint rope 6 and with triangle fill rope 4 looks butt, the spiral winding direction of mica tape 7 is opposite with first constraint rope 6, the periphery cover of mica tape 7 is equipped with Kevlar weaving layer 8, kevlar weaving layer 8 is equipped with armor shielding layer 9 by the periphery cover of a plurality of Kevlar wire and wraps at the periphery of mica tape 7, the periphery fixedly connected with a plurality of rectangle rubber tube 10 of armor shielding layer 9, a plurality of rectangle rubber tube 10 is the periphery of rectangle shielding layer 9 evenly distributed in the degree and is equipped with rectangle rubber tube 10 and is equipped with rectangle rope 10 periphery 11 at the periphery of rectangle rubber tube 11 and the periphery of rectangle rubber tube 11 is the second constraint rubber tube that is common.
When the embodiment works, the central filling rope 2 is taken as the axial lead, all the main electric cores 1 are uniformly distributed at equal angles around the central filling rope 2, the embodiment adopts a mode that six main electric cores 1 are uniformly distributed, the central filling rope 2 fills the inner parts among the six main electric cores 1, the triangular filling rope 4 fills the outer parts among the six main electric cores 1, the main electric cores 1 are supported by the central filling rope 2 and the triangular filling rope 4 together, so that the stability of the main electric cores 1 is ensured, the main electric cores 1 are prevented from deflecting in the assembling and laying process, the main electric cores 1 are protected, circuit faults caused by damage of the main electric cores 1 are avoided, meanwhile, the equal supporting force born by all the main electric cores 1 is ensured through the filling rope rather than a plastic extrusion structure, and ensure that center filling rope 2 and triangle filling rope 4 are full of each gap to eliminate gap and bubble, improve the pull resistance, tie up triangle filling rope 4 through first constraint rope 6, ensure the support and the protection to main electric core 1, and make the periphery side of each triangle filling rope 4 form the cambered surface and form the circumference jointly, make things convenient for the package of mica tape 7, through weaving Cheng Kaifu and drawing weaving layer 8 in turn by each set of keff stay cord, further improve holistic pull resistance and bending resistance, make the cable wholly resistant to buckling, form the buffer layer through rectangular rubber tube 10, when the cable receives radial pressure, avoid inside main line core 1 to receive the compression deformation through the buffering of rectangular rubber tube 10, improve the whole life-span of cable.
The main electric core 1 of a plurality of is equiangular evenly distributed around center filling rope 2, butt and mutual parallel between the adjacent main electric core 1, the bottom side of adjacent rectangle rubber tube 10 is butt each other, and pack between the adjacent rectangle rubber tube 10 and have the silicone rubber strip, the inside foam cotton filling layer 15 that packs of rectangle rubber tube 10, radial compressive resistance through foam cotton filling layer improvement rectangle rubber tube 10, and improve frost resistance for the cable, make the cable can be used for cold region, in hot environment, through leading to water or nonconductive refrigerant in hollow rectangle rubber tube 10, thereby for the cable cooling, make the cable can be used for hot environment, thereby make the cable can be used for multiple region, application range has been improved.
The center of the center filling rope 2 is penetrated with a center pulling-resistant rope 3, the center pulling-resistant rope 3 is provided with a plurality of Kevlar pulling ropes, six strands of Kevlar pulling ropes are arranged in the embodiment, the center pulling-resistant rope 3 is formed by twisting a plurality of Kevlar pulling ropes, each Kevlar pulling rope is formed by twisting Kevlar filaments, the twisting direction of the Kevlar pulling ropes is opposite to that of the center pulling-resistant rope 3, the whole rope is formed by continuously twisting, and the whole tensile property of the cable is improved.
The auxiliary tensile rope 5 is arranged in the middle of the triangular filling rope 4 in a penetrating mode, a plurality of Kevlar ropes are arranged on the auxiliary tensile rope 5, six strands of Kevlar ropes are arranged in the embodiment, the auxiliary tensile rope 5 is formed by twisting a plurality of Kevlar ropes, each Kevlar rope is formed by twisting, the twisting direction of the Kevlar ropes is opposite to that of the auxiliary tensile rope 5, the diameter of the auxiliary tensile rope 5 is one half of that of the central tensile rope 3, and a tensile structure is formed by the mutual matching of the auxiliary tensile rope 5 and the central tensile rope 3, so that the overall tensile property of the cable is improved.
The auxiliary pull-resistant rope 5 is fixedly sleeved with a plurality of connecting blocks 14 which are uniformly distributed at equal intervals, the periphery of each connecting block 14 is fixedly sleeved with a clamping ring 13, each clamping ring 13 is clamped in the triangular filling rope 4 and fixedly connected with the triangular filling rope 4, when the auxiliary pull-resistant rope 5 bears tensile force, the triangular filling rope 4 and the auxiliary pull-resistant rope 5 are connected into a whole through the connecting blocks 14 and the clamping rings 13 to bear together, the bearing capacity of an integral structure is improved, and the integral tensile property is improved.
The preparation method of the bending-resistant mining cable comprises the following steps:
step one: twisting a plurality of Kevlar ropes into a central anti-pulling rope 3 through multi-strand repeated twisting, extruding and shaping the central anti-pulling rope 3 into a central filling rope 2 through a rubber-plastic extruder;
step two: a plurality of Kevlar ropes are twisted into auxiliary tensile ropes 5 through multi-strand repeated twisting, a plurality of connecting blocks 14 which are uniformly distributed at equal intervals are fixedly sleeved on the periphery of the auxiliary tensile ropes 5, a clamping ring 13 is fixedly clamped in the middle of the periphery of the connecting blocks 14, and the auxiliary tensile ropes 5 provided with the connecting blocks 14 and the clamping ring 13 are extruded and shaped into triangular filling ropes 4 through a rubber-plastic extruder;
step three: arranging a plurality of main cells 1 on the periphery of the central filling rope 2 formed in the first step, uniformly distributing the main cells 1 at equal angles by taking the central filling rope 2 as an axis, filling all gaps inside the main cells 1 through the central filling rope 2, filling the gaps outside the main cells 1 through the triangular filling rope 4, and forming a right cylindrical structure on the periphery;
step four: winding the first binding ropes 6 around the outer circumferences of the triangular filling ropes 4 in a spiral manner by a winding machine, winding the mica tapes 7 around the outer circumferences of the first binding ropes 6 and the triangular filling ropes 4 in a spiral direction opposite to the first binding ropes 6, and tightly binding the main battery cell 1, the central filling rope 2, the central anti-pulling rope 3, the triangular filling ropes 4 and the auxiliary anti-pulling ropes 5 by the mica tapes 7 and the first binding ropes 6;
step five: wrapping the Kevlar weaving layer 8 on the outer Zhou Bianzhi of the mica tape 7 in the fourth step, wherein the number of strands of Kevlar ropes is not less than twenty, and the diameter of each Kevlar rope is not less than two millimeters;
step six: the outer Zhou Bianzhi of the Kevlar weaving layer 8 is wrapped with the armored shielding layer 9, the Kevlar weaving layer 8 and the armored shielding layer 9 are woven through a plurality of metal strips, and a silicon rubber layer is coated on the periphery of the armored shielding layer 9 and between the Kevlar weaving layer 8 and the armored shielding layer 9, wherein the thickness of the silicon rubber layer is not less than one millimeter;
step seven: a plurality of rectangular rubber tubes 10 are wrapped and attached to the periphery of the armor shielding layer 9, different substances are filled in the rectangular rubber tubes 10 according to different requirements, foam cotton is filled in the embodiment to form a foam cotton filling layer 15, then a second binding rope 11 is spirally wound on the periphery of the rectangular rubber tubes 10 through a winding machine, and then a silicon rubber layer is attached to the periphery and the gaps of the rectangular rubber tubes 10 and the outer sides of the second binding ropes 11 through an extruder;
step eight: the outer sheath 12 is extruded and attached to the silicon rubber layer of the rectangular rubber tube 10, and then the cable is prepared by code spraying, cutting and winding.
When the novel cable is used, staff takes the central filling rope 2 as an axial lead, all the main electric cores 1 are uniformly distributed at equal angles around the central filling rope 2, the triangular filling ropes 4 are bundled by the first binding ropes 6, the support and protection of the central filling ropes 2 on the main electric cores 1 are ensured, the outer peripheral side surfaces of all the triangular filling ropes 4 form cambered surfaces and form a circumference together, the mica tape 7 is convenient to wrap, an integral rope is formed by continuously twisting, a tensile structure is formed by the mutual matching of the auxiliary tensile ropes 5 and the central anti-pulling ropes 3, when the auxiliary anti-pulling ropes 5 bear tensile force, the triangular filling ropes 4 and the auxiliary tensile ropes 5 are connected into a whole through the connecting blocks 14 and the card rings 13 to bear together, the bearing capacity of the integral structure is improved, and the whole tensile property and the bending resistance are further improved by alternately weaving Cheng Kaifu by the aid of the various Kevlar pulling ropes, so that the whole cable is resistant to bending;
when the cable is subjected to radial pressure, the buffer layer is formed through the rectangular rubber tube 10, the buffer layer of the rectangular rubber tube 10 prevents the internal main wire core 1 from being deformed under pressure, the overall service life of the cable is prolonged, the central filling rope 2 fills the inner parts among the six main wire cores 1, the triangular filling rope 4 fills the outer parts among the six main wire cores 1, the central filling rope 2 and the triangular filling rope 4 support the main wire cores 1 together, so that the stability of the main wire cores 1 is ensured, the main wire cores 1 are prevented from deflecting in the assembling and laying processes, the main wire cores 1 are protected, circuit faults caused by damage of the main wire cores 1 are avoided, meanwhile, the supporting force born by the main wire cores 1 is ensured to be equal through the structure of the filling rope instead of plastic extrusion, and the central filling rope 2 and the triangular filling rope 4 are ensured to fill all gaps, so that gaps and bubbles are eliminated, and the tensile property is improved;
can be according to different demands at the inside packing different substances of rectangle rubber tube 10, radial compressive resistance of rectangle rubber tube 10 is improved through foam cotton filling layer 15 to improve freezing resistance for the cable, make the cable can be used for cold region, in hot environment, through leading to water or nonconductive refrigerant in hollow rectangle rubber tube 10, thereby for the cable cooling, make the cable can be used for hot environment, thereby make the cable can be used for multiple region, improved application range.
The present invention is not limited to the above embodiments, but is not limited to the above embodiments, and any modifications, equivalents and variations made to the above embodiments according to the technical matter of the present invention can be made by those skilled in the art without departing from the scope of the technical matter of the present invention.
Claims (9)
1. The utility model provides a mining cable of nai bending, its characterized in that, including main electric core (1), main electric core (1) are equipped with a plurality of, a plurality of be equipped with center fill rope (2) between main electric core (1), it is adjacent be equipped with triangle fill rope (4) in the clearance of main electric core (1), the periphery cover of triangle fill rope (4) is equipped with first constraint rope (6), first constraint rope (6) are spiral winding in the periphery of all triangle fill rope (4), mica tape (7) have been cup jointed to the periphery of first constraint rope (6), the periphery cover of mica tape (7) is equipped with armoured shielding layer (9), the periphery cover of armoured shielding layer (9) is equipped with rectangle rubber tube (10), the periphery cover of rectangle rubber tube (10) is equipped with second constraint rope (11), the periphery of second constraint rope (11) and rectangle rubber tube (10) is equipped with outer sheath (12) jointly.
2. The bending-resistant mining cable according to claim 1, wherein the second binding ropes (11) are spirally wound around the peripheries of all the rectangular rubber tubes (10), the plurality of main cells (1) are uniformly distributed around the central filling rope (2) at equal angles, and adjacent main cells (1) are abutted and parallel to each other.
3. The bending-resistant mining cable according to claim 1, wherein bottom side edges of adjacent rectangular rubber hoses (10) are abutted against each other, silicone rubber strips are filled between the adjacent rectangular rubber hoses (10), and foam cotton filling layers (15) are filled in the rectangular rubber hoses (10).
4. The bending-resistant mining cable according to claim 1, wherein a central anti-pulling rope (3) is arranged on the axis of the central filling rope (2) in a penetrating mode, a plurality of Kevlar pulling ropes are arranged on the central anti-pulling rope (3), the central anti-pulling rope (3) is formed by twisting a plurality of Kevlar pulling ropes, each Kevlar pulling rope is formed by twisting Kevlar filaments, and the twisting direction of the Kevlar pulling ropes is opposite to that of the central anti-pulling rope (3).
5. The bending-resistant mining cable according to claim 4, wherein an auxiliary tensile rope (5) is arranged in the middle of the triangular filling rope (4) in a penetrating mode, a plurality of Kevlar ropes are arranged on the auxiliary tensile rope (5), the auxiliary tensile rope (5) is formed by twisting multiple Kevlar ropes, each Kevlar rope is formed by twisting, the twisting direction of the Kevlar ropes is opposite to that of the auxiliary tensile rope (5), and the diameter of the auxiliary tensile rope (5) is half of that of the central tensile rope (3).
6. The bending-resistant mining cable according to claim 5, wherein a plurality of connecting blocks (14) which are uniformly distributed at equal intervals are fixedly sleeved on the auxiliary pulling-resistant ropes (5), a clamping ring (13) is fixedly sleeved on the periphery of each connecting block (14), and the clamping ring (13) is clamped in the triangular filling rope (4) and fixedly connected with the triangular filling rope (4).
7. The bending-resistant mining cable according to claim 1, wherein the kevlar braiding layer (8) is formed by alternately braiding a plurality of kevlar wires and coating the outer periphery of the mica tape (7), and a plurality of rectangular rubber tubes (10) are uniformly distributed at the outer periphery of the armoured shielding layer (9) at equal angles.
8. The bending-resistant mining cable according to claim 1, characterized in that the mica tape (7) is spirally wound on the outer side of the first binder rope (6) and is abutted against the triangular filler rope (4), and the spiral winding direction of the mica tape (7) is opposite to that of the first binder rope (6).
9. The method for preparing the bending-resistant mining cable according to any one of claims 1 to 8, characterized in that the steps include:
step one: repeatedly twisting to form a central anti-pulling rope (3), extruding and shaping the central anti-pulling rope at the periphery to form a central filling rope (2);
step two: repeatedly twisting to manufacture a subsidiary tensile rope (5), fixedly sleeving a connecting block (14) and a card ring (13), extruding and shaping the periphery to form a triangular filling rope (4);
step three: the main battery cells (1) are arranged on the periphery of the center filling rope (2), gaps are filled through the center filling rope (2) and the triangular filling rope (4), and the periphery forms a right cylindrical structure;
step four: sequentially winding a first binding rope (6) and a mica tape (7);
step five: a Kevlar braiding layer (8) is braided and wrapped;
step six: weaving and wrapping an armored shielding layer (9) and coating a silicon rubber layer;
step seven: wrapping and attaching the rectangular rubber tube (10), filling foam cotton in the rectangular rubber tube (10) to form a foam cotton filling layer (15), winding a second binding rope (11), and attaching a silicone rubber layer;
step eight: extruding and attaching an outer sheath (12), and then spraying codes, cutting and rolling to finish the preparation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310918458.4A CN116844770A (en) | 2023-07-25 | 2023-07-25 | Bending-resistant mining cable and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310918458.4A CN116844770A (en) | 2023-07-25 | 2023-07-25 | Bending-resistant mining cable and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116844770A true CN116844770A (en) | 2023-10-03 |
Family
ID=88174348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310918458.4A Pending CN116844770A (en) | 2023-07-25 | 2023-07-25 | Bending-resistant mining cable and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116844770A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119763910A (en) * | 2024-12-27 | 2025-04-04 | 北京伟岸顺威电力科技有限公司 | Armored cable with good resilience |
-
2023
- 2023-07-25 CN CN202310918458.4A patent/CN116844770A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119763910A (en) * | 2024-12-27 | 2025-04-04 | 北京伟岸顺威电力科技有限公司 | Armored cable with good resilience |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101202132B (en) | Towing cable for down-hole digger and method for preparing | |
| CN111292883B (en) | Light-duty nonmetal armor submarine cable | |
| CN205692585U (en) | Flexible new-energy automobile charging pile cable | |
| CN106558368B (en) | A kind of electric car charging cable and preparation method thereof | |
| CN111180114A (en) | Manufacturing method of cold-resistant hollow cable | |
| CN118919146A (en) | Photoelectric composite cable | |
| CN222530039U (en) | A hub motor cable | |
| CN210777955U (en) | Multi-core control wire for robot | |
| CN220691734U (en) | Compression-resistant and wear-resistant bunched submarine cable | |
| CN221927537U (en) | Cold-resistant wear-resistant soft salt fog-resistant tensile torsion-resistant cable | |
| CN202887843U (en) | Cable for tunnel scraper | |
| CN202422807U (en) | Mobile power control composite cable used for port | |
| CN216053917U (en) | High-flexibility towline cable | |
| CN203118669U (en) | Mining lightweight complex cable | |
| CN220155226U (en) | Stretch-proof cable | |
| CN219575215U (en) | Suspended polypropylene insulation optical fiber composite cable | |
| CN109935396B (en) | Special flexible cable for shield machine and manufacturing method thereof | |
| CN222482984U (en) | Cable for special operation vehicle | |
| CN224137932U (en) | A type of underground cable | |
| CN221149676U (en) | Aluminum alloy flexible cable for photovoltaic system | |
| CN217061512U (en) | High-strength tensile cable conductor | |
| CN221446828U (en) | Composite optical fiber transmission cable | |
| CN113450954B (en) | A control wire core, a dynamic cable and a control wire core preparation method | |
| CN220584960U (en) | Mine is with flexible antitorque commentaries on classics middling pressure trailing cable | |
| CN222028832U (en) | Photoelectric composite reel cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |