CN108320843B - Reel sling cable and manufacturing method - Google Patents
Reel sling cable and manufacturing method Download PDFInfo
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- CN108320843B CN108320843B CN201810257429.7A CN201810257429A CN108320843B CN 108320843 B CN108320843 B CN 108320843B CN 201810257429 A CN201810257429 A CN 201810257429A CN 108320843 B CN108320843 B CN 108320843B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- 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
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- 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
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- 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
- H01B13/30—Drying; Impregnating
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The invention relates to a reel hanger cable and a manufacturing method thereof, and belongs to the technical field of port machine cables. The technical proposal is as follows: the aramid fiber weaving reinforcing bearing element (4) with the circular section is filled in the center of the cable, the first cable core is uniformly distributed at the outer circle of the aramid fiber weaving reinforcing bearing element (4), the first cable core is formed into an annular structure, the second cable core is uniformly distributed at the outer circumference of the cable wrapping tape (5), the outer wrapping assembly cable is wrapped with a cotton strap (6), the assembly cable is wrapped with a polyurethane inner sheath (7) in an outer extrusion mode, the polyurethane inner sheath (7) is externally woven with an aramid fiber weaving reinforcing layer (8), and the aramid fiber is externally wrapped with a polyurethane outer sheath (9). The invention has the positive effects that: the cable has the advantages of improving tensile mechanical property, high/low temperature resistance, ageing resistance, wear resistance and oil resistance of the cable, avoiding breakage of an insulating wire core and cracking of a sheath, and greatly prolonging the service life of the cable.
Description
Technical Field
The invention relates to a reel hanger cable and a manufacturing method thereof, in particular to a high-flexibility reinforced tensile reel hanger special cable, and belongs to the technical field of port machinery and motors.
Background
The port machine cable mainly comprises a drag chain power cable, a drag chain control cable, a drag chain communication cable, a drag command communication cable, a reel cable and the like, is mainly suitable for a port machine drag chain system, is internally provided with a drag chain, and is repeatedly wound. The reel lifting appliance cable is mainly used for a reel connecting wire, a mobile device, a movable cable conveyer and a cable car which are required to have higher mechanical stress, and vertical reel operation, so that the cable is required to have good electrical property and mechanical property, and also required to have good performances such as softness, tensile strength, wear resistance and the like, and particularly has higher requirements on the cable softness and tensile strength. The traditional reel sling cable generally adopts rubber material, and the insulation adopts the ethylene propylene rubber, and the sheath adopts chloroprene rubber, and ethylene propylene insulation thickness is thicker, and the cable external diameter is great, and cable compliance is better, but tensile properties and mechanical properties are relatively poor, and when the cable received tensile state for a long time to use, the insulation core of cable takes place to fracture easily, and traditional rubber sheath can greatly reduced after tensile repeatedly simultaneously, in abominable operational environment, the sheath can accelerate ageing, and the sheath fracture easily, and cable life is shorter.
Disclosure of Invention
The invention aims to provide a reel sling cable and a manufacturing method thereof, wherein a novel aramid woven tensile element is added in the center of the cable and a design and a manufacturing method of an aramid woven reinforcing layer are added through researching and developing a thin-wall TPEE insulating material, so that the tensile mechanical property, the ageing resistance, the wear resistance and the oil resistance of the cable are improved, the breakage of an insulating wire core and the cracking of a sheath are avoided, the service life of the cable is greatly prolonged, and the problems in the background art are solved.
The technical scheme of the invention is as follows:
the utility model provides a reel hoist cable, includes aramid fiber woven reinforced bearing element, cable core I, cable core II, cable band, assembly cable wrap cotton tape, polyurethane inner sheath, aramid fiber woven reinforced layer and polyurethane outer sheath, and the aramid fiber woven reinforced bearing element of circular cross-section is filled at the cable center, cable core I equipartition is in aramid fiber woven reinforced bearing element's excircle department, tangent with aramid fiber woven reinforced bearing element; the first cable core comprises a tensile aramid woven element, a cable composite tensile conductor and a TPEE thin-wall insulating layer, wherein the tensile aramid woven element, the cable composite tensile conductor and the TPEE thin-wall insulating layer are sequentially arranged from inside to outside; the first cable core is formed into an annular structure and is wrapped with a cable wrapping belt, the second cable core is uniformly distributed at the outer periphery of the cable wrapping belt, the second cable core is identical to the first cable core in structure, the outer diameter is equal, the number of the second cable cores is multiple, the second cable cores are tangential to the outer circle of the cable wrapping belt, and the plurality of cable cores are arranged on the outer periphery of the cable wrapping belt in an annular structure; the outer wrapping assembly cable of the cable core is wrapped with a cotton tape, the outer wrapping assembly cable is wrapped with a polyurethane inner sheath in an extrusion mode, an aramid fiber woven reinforcing layer is woven outside the polyurethane inner sheath, and a polyurethane outer sheath is wrapped outside the aramid fiber woven reinforcing layer in an extrusion mode; the polyurethane inner sheath, the aramid fiber woven reinforcing layer and the polyurethane outer sheath form a reinforced polyurethane comprehensive sheath.
The first adjacent two cable cores are arranged in a tangential mode, and the second adjacent two cable cores are arranged in a tangential mode.
The cable wrapping tape is cotton tape, and the cotton tape has better flexibility and tensile mechanical property than the traditional polyester film and non-woven fabric wrapping tape.
Seven Vectran 3160dtex aramid filaments are stranded together in a right direction in a concentric mode, eighty four soft copper filaments with phi of 0.15 and mm are stranded outside the tensile aramid woven element in a left direction, and the stranded pitch of the cable composite tensile conductor is 16-18 times the diameter of the soft copper filaments.
The breaking force of the aramid fiber woven reinforced bearing element is more than or equal to 20kN, and the elongation rate is less than or equal to 0.3%.
The breaking force of the tensile aramid woven element is more than or equal to 550N.
A manufacturing method of a reel hanger cable comprises the following process steps:
(1) the central of the cable is filled with aramid fiber weaving reinforced bearing elements with circular cross sections, seven Vectran 3160dtex aramid fiber filaments are wound on spindles of a weaving machine in a concentric binding mode, then a 16-spindle weaving machine is used for weaving to be used as filling, the aramid fiber weaving structure is stable, breaking force is more than or equal to 20kN, and the elongation rate is less than or equal to 0.3%; the first cable cores are uniformly distributed on the outer circle of the aramid fiber woven reinforced bearing element and tangent to the aramid fiber woven reinforced bearing element, so that the stability of the whole cable structure and the uniformity of stress are ensured;
(2) the first cable core comprises a tensile aramid woven element, a cable composite tensile conductor and a TPEE thin-wall insulating layer, wherein the tensile aramid woven element, the cable composite tensile conductor and the TPEE thin-wall insulating layer are sequentially arranged from inside to outside; seven Vectran 3160dtex aramid filaments are stranded together in a concentric manner in the right direction, and the stretch breaking force of the tensile aramid woven element is more than or equal to 550N; eighty four soft copper wires with phi of 0.15 and mm are stranded outside the tensile aramid woven element in the left direction, and the stranded pitch of the cable composite tensile conductor is 16-18 times the diameter of the soft copper wires; the TPEE thin-wall insulating layer comprises 100-150 parts of TPEE polyester elastomer, 40-50 parts of polyolefin elastomer, 1.5-2.5 parts of lubricant, 0.8-1.0 parts of antioxidant and 1-5 parts of colorant, wherein the mass ratio is that the TPEE polyester elastomer, the lubricant, the antioxidant and the colorant are added into a high-speed stirrer for uniform mixing, and then are granulated by a homodromous double-screw extruder, and the temperature of each section of the extruder is 170-185 ℃, 190-200 ℃, 200-210 ℃, 210-220 ℃, 220-230 ℃ and 220-230 ℃ from a charging port, and the temperature of a machine head is 230-240 ℃ in sequence;
(3) the first cable core is formed into an annular structure and is externally wrapped with a cable wrapping belt, the second cable core is uniformly distributed at the outer periphery of the cable wrapping belt, the second cable core is identical to the first cable core in structure, the outer diameter is equal to the first cable core, the number of the second cable cores is multiple, the second cable cores are tangential to the outer circle of the cable wrapping belt, and the annular structures of the plurality of cable cores are arranged on the outer periphery of the cable wrapping belt; the outer wrapping assembly cable of the cable core is wrapped with a cotton tape, the outer wrapping assembly cable is wrapped with a polyurethane inner sheath in an extrusion mode, an aramid fiber woven reinforcing layer is woven outside the polyurethane inner sheath, and a polyurethane outer sheath is wrapped outside the aramid fiber woven reinforcing layer in an extrusion mode; the polyurethane inner sheath, the aramid fiber woven reinforcing layer and the polyurethane outer sheath form a reinforced polyurethane comprehensive sheath; extruding a layer of Pasteur polyether type 1185A polyurethane inner sheath by adopting a single screw extruder with a compression ratio of 1:2.5, wherein the extruding temperature of the polyurethane is 150 ℃, 165 ℃, 180 ℃, 190 ℃ and 190 ℃ from a feeding port to a die, braiding an aramid fiber woven reinforcing layer on the surface of the polyurethane inner sheath, placing the polyurethane inner sheath after braiding the aramid fiber woven reinforcing layer in an oven for heating and drying at 50-60 ℃, removing moisture of the aramid fiber woven reinforcing layer, extruding a layer of Pasteur polyether type 1185A polyurethane outer sheath after the aramid fiber woven reinforcing layer is dried, and the extruding temperature of the polyurethane is 150 ℃, 165 ℃, 180 ℃, 190 ℃ and 190 ℃ from the feeding port to the die.
The first adjacent two cable cores are arranged in a tangential mode, and the second adjacent two cable cores are arranged in a tangential mode.
The cable wrapping tape is cotton tape, and the cotton tape has better flexibility and tensile mechanical property than the traditional polyester film and non-woven fabric wrapping tape.
The invention has the positive effects that: through researching and developing thin-wall TPEE insulating materials, the novel aramid fiber woven tensile element is added in the center of the cable, and the design and manufacturing method of an aramid fiber woven reinforcing layer are added, the reel lifting cable is provided, the tensile mechanical property, the high/low temperature resistance, the ageing resistance, the wear resistance and the oil resistance of the cable are improved, the breakage of an insulating wire core and the cracking of a sheath are avoided, and the service life of the cable is greatly prolonged.
Drawings
FIG. 1 is a schematic cross-sectional structure of the present invention;
in the figure: the cable comprises a tensile aramid woven element 1, a cable composite tensile conductor 2, a TPEE thin-wall insulating layer 3, an aramid woven reinforced bearing element 4, a cable wrapping belt 5, an assembly cable wrapping cotton tape 6, a polyurethane inner sheath 7, an aramid woven reinforcing layer 8 and a polyurethane outer sheath 9.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings.
The utility model provides a reel hoist cable, includes aramid fiber woven reinforced bearing element 4, cable core one, cable core two, cable band 5, assembly cable wrap cotton tape 6, polyurethane inner sheath 7, aramid fiber woven reinforced layer 8 and polyurethane outer sheath 9, and the aramid fiber woven reinforced bearing element 4 of circular cross-section is filled at the cable center, cable core one equipartition is in aramid fiber woven reinforced bearing element 4's excircle department, tangent with aramid fiber woven reinforced bearing element 4; the first cable core comprises a tensile aramid woven element 1, a cable composite tensile conductor 2 and a TPEE thin-wall insulating layer 3, wherein the tensile aramid woven element 1, the cable composite tensile conductor 2 and the TPEE thin-wall insulating layer 3 are sequentially arranged from inside to outside, the number of the first cable core is multiple, and a plurality of cable cores are arranged on the outer circumference of the aramid woven reinforced bearing element 4 in an annular structure; the first cable core is formed into an annular structure and is externally wrapped with a cable wrapping belt 5, the second cable core is uniformly distributed at the outer circumference of the cable wrapping belt 5, the second cable core is identical to the first cable core in structure, the outer diameter is equal, the number of the second cable cores is multiple, the second cable cores are tangent to the outer circle of the cable wrapping belt 5, and the plurality of cable cores are annularly arranged on the outer circumference of the cable wrapping belt 5; the outer wrapping assembly cable of the cable core is wrapped with a cotton tape 6, the outer wrapping assembly cable is wrapped with a polyurethane inner sheath 7 in an extrusion mode, an aramid fiber woven reinforcing layer 8 is woven outside the polyurethane inner sheath 7, and a polyurethane outer sheath 9 is wrapped outside the aramid fiber woven reinforcing layer 8 in an extrusion mode; the polyurethane inner sheath 7, the aramid fiber weaving reinforcing layer 8 and the polyurethane outer sheath 9 form a reinforced polyurethane comprehensive sheath.
The first adjacent two cable cores are arranged in a tangential mode, and the second adjacent two cable cores are arranged in a tangential mode.
The cable wrapping tape 5 is cotton tape, and the cotton tape has better flexibility and tensile mechanical property than the traditional polyester film and non-woven fabric wrapping tape.
Seven Vectran 3160dtex aramid filaments are stranded together in a right direction in a concentric mode, eighty four soft copper filaments with phi of 0.15 and mm are stranded outside the tensile aramid woven element 1 in a left direction, and the stranded pitch of the cable composite tensile conductor 2 is 16-18 times of the diameter of the soft copper filaments.
The breaking force of the aramid fiber woven reinforced bearing element 4 is more than or equal to 20kN, and the elongation is less than or equal to 0.3%.
The breaking force of the tensile aramid woven element 1 is more than or equal to 550N.
Manufacturing method of reel sling cable, the cable of the embodiment is 24 multiplied by 1.5mm 2 The specification is an example, and comprises the following process steps:
(1) the aramid fiber weaving reinforcing bearing element 4 with the circular section is filled in the center of the cable, seven Vectran 3160dtex aramid fiber filaments are wound on a spindle of a weaving machine in a concentric binding mode at the center of the cable, then a 16-spindle weaving machine is used for weaving to be used as filling, the aramid fiber weaving structure is stable, the breaking force is more than or equal to 20kN, and the elongation rate is less than or equal to 0.3%; the first cable cores are uniformly distributed on the outer circle of the aramid fiber woven reinforced bearing element 4 and tangent to the aramid fiber woven reinforced bearing element 4, so that the stability of the whole cable structure and the uniformity of stress are ensured;
(2) the first cable core comprises a tensile aramid woven element 1, a cable composite tensile conductor 2 and a TPEE thin-wall insulating layer 3, wherein the tensile aramid woven element 1, the cable composite tensile conductor 2 and the TPEE thin-wall insulating layer 3 are sequentially arranged from inside to outside, the number of the first cable core is multiple, and a plurality of cable cores are arranged on the outer circumference of the aramid woven reinforced bearing element 4 in an annular structure; seven Vectran 3160dtex aramid filaments are stranded together in a concentric manner in the right direction of the tensile aramid woven element 1, and the breaking force of the tensile aramid woven element 1 is more than or equal to 550N; eighty four soft copper wires with phi of 0.15 and mm are stranded left outside the tensile aramid woven element 1, and the stranded pitch of the cable composite tensile conductor 2 is 16-18 times of the diameter of the soft copper wires; the TPEE thin-wall insulating layer 3 comprises 100-150 parts of TPEE polyester elastomer, 40-50 parts of polyolefin elastomer, 1.5-2.5 parts of lubricant, 0.8-1.0 parts of antioxidant and 1-5 parts of colorant, wherein the mass ratio is that the TPEE polyester elastomer, the lubricant, the antioxidant and the colorant are added into a high-speed mixer for uniform mixing, and then are granulated by a homodromous double-screw extruder, and the temperature of each section of the extruder is 170-185 ℃ and 190-200 ℃, 200-210 ℃, 210-220 ℃, 220-230 ℃ and 220-230 ℃ from a charging hole, and the temperature of a machine head is 230-240 ℃ in sequence;
(3) the first cable core is formed into an annular structure and is externally wrapped with a cable wrapping tape 5, the second cable core is uniformly distributed at the outer circumference of the cable wrapping tape 5, the second cable core has the same structure as the first cable core, the outer diameter is equal, the number of the second cable cores is multiple, the second cable cores are tangent to the outer circle of the cable wrapping tape 5, and the plurality of cable cores are arranged on the outer circumference of the cable wrapping tape 5 in an annular structure; the outer wrapping assembly cable of the cable core is wrapped with a cotton tape 6, the outer wrapping assembly cable is wrapped with a polyurethane inner sheath 7 in an extrusion mode, an aramid fiber woven reinforcing layer 8 is woven outside the polyurethane inner sheath 7, and a polyurethane outer sheath 9 is wrapped outside the aramid fiber woven reinforcing layer 8 in an extrusion mode; the polyurethane inner sheath 7, the aramid fiber weaving reinforcing layer 8 and the polyurethane outer sheath 9 form a reinforced polyurethane comprehensive sheath; firstly extruding a layer of Pastef polyether type 1185A polyurethane inner sheath by adopting a single screw extruder with a compression ratio of 1:2.5, wherein the extruding temperature of the polyurethane is 150 ℃, 165 ℃, 180 ℃, 190 ℃ and 190 ℃ from a feeding hole to a die hole in sequence, then braiding a layer of aramid fiber braided reinforcing layer 8 on the surface of the polyurethane inner sheath 7, placing the polyurethane inner sheath after braiding the aramid fiber braided reinforcing layer 8 in an oven for heating and drying treatment at 50-60 ℃, removing moisture of the aramid fiber braided reinforcing layer, extruding a layer of Pastef polyether type 1185A polyurethane outer sheath 9 after the aramid fiber braided reinforcing layer is dried, and the extruding temperature of the polyurethane is 150 ℃, 165 ℃, 180 ℃, 190 ℃ and 190 ℃ from the feeding hole to the die hole in sequence.
The first adjacent two cable cores are arranged in a tangential mode, and the second adjacent two cable cores are arranged in a tangential mode.
The cable wrapping tape 5 is cotton tape, and the cotton tape has better flexibility and tensile mechanical property than the traditional polyester film and non-woven fabric wrapping tape.
The innovation points of the invention are as follows:
1. the inside of the cable composite tensile conductor is added with a plurality of Vectran 3160dtex aramid fibers, and the tensile force of 3160dtex aramid fiber monofilaments is more than or equal to 550N, so that the cable composite tensile conductor has good tensile strength and the tensile property of an insulating wire core is improved;
2. the TPEE thin-wall insulating layer is researched and developed, the TPEE material has a small insulating thickness, good electrical insulating property, good mechanical property, good high/low temperature resistance, ageing resistance and oil resistance, can completely meet the use environment of the reel hanger cable, and greatly improves the use safety and the service life of the cable;
3. the novel aramid fiber weaving reinforced bearing element filling structure is designed, the Vectran 3160dtex aramid fiber weaving is adopted as filling in the center of the cable, the aramid fiber weaving structure is more stable, the flexibility is good, the breaking force is more than or equal to 20kN, the elongation is less than or equal to 0.3%, the novel aramid fiber weaving reinforced bearing element filling structure is arranged in the center of a finished cable, when the cable receives tensile force, the central aramid fiber rope can play a good tensile effect, and the tensile level of the cable is greatly improved; the cable cores are concentrically and uniformly arranged on the outer layer of the aramid fiber woven reinforced bearing element, so that the stability of the whole cable structure and uniform stress are ensured;
4. the novel reinforced polyurethane composite sheath is characterized in that the reinforced polyurethane composite sheath adopts a polyurethane inner sheath, an aramid fiber woven reinforcing layer and a polyurethane outer sheath structure, aramid fiber is a tensile or bearing element with high tensile strength, the polyurethane sheath is a sheath material with good mechanical property, corrosion resistance and ageing resistance, the woven aramid fiber structure has better stability, the aramid fiber is woven between two layers of polyurethane sheaths and is tightly extruded into a whole, the two layers of polyurethane sheaths and the aramid fiber are woven to realize complete bonding, so that a composite sheath with good tensile property is formed, the mechanical and ageing cracking of the cable sheath are reduced, the use safety of a wire core is ensured, and the service life of a cable is prolonged.
Claims (5)
1. The reel hanger cable is characterized by comprising an aramid fiber woven reinforced bearing element (4), a first cable core, a second cable core, a cable wrapping belt (5), an assembly cable wrapping cotton belt (6), a polyurethane inner sheath (7), an aramid fiber woven reinforced layer (8) and a polyurethane outer sheath (9), wherein the aramid fiber woven reinforced bearing element (4) with a circular section is filled in the center of the cable, and the first cable core is uniformly distributed at the outer circle of the aramid fiber woven reinforced bearing element (4) and tangent to the aramid fiber woven reinforced bearing element (4); the first cable core comprises a tensile aramid woven element (1), a cable composite tensile conductor (2) and a TPEE thin-wall insulating layer (3), the tensile aramid woven element (1), the cable composite tensile conductor (2) and the TPEE thin-wall insulating layer (3) are sequentially arranged from inside to outside, one cable core is a plurality of cable cores, and a plurality of cable cores are arranged on the outer circumference of the aramid woven reinforced bearing element (4) in an annular structure; the first cable core is formed into an annular structure and is externally wrapped with a cable wrapping belt (5), the second cable core is uniformly distributed at the outer circumference of the cable wrapping belt (5), the second cable core is identical to the first cable core in structure, the outer diameter is equal to the first cable core, the second cable core is tangential to the outer circumference of the cable wrapping belt (5), and the plurality of cable cores are distributed on the outer circumference of the cable wrapping belt (5) in an annular structure; the outer wrapping assembly cable of the cable core is wrapped with a cotton tape (6), the outer wrapping assembly cable is wrapped with a polyurethane inner sheath (7) in an extrusion mode, an aramid fiber woven reinforcing layer (8) is woven outside the polyurethane inner sheath (7), and a polyurethane outer sheath (9) is extruded outside the aramid fiber woven reinforcing layer (8); the polyurethane inner sheath (7), the aramid fiber weaving reinforcing layer (8) and the polyurethane outer sheath (9) form a reinforced polyurethane comprehensive sheath; the cable wrapping tape (5) is cotton tape; the breaking force of the aramid fiber woven reinforced bearing element (4) is more than or equal to 20kN, and the elongation is less than or equal to 0.3%; the breaking force of the tensile aramid woven element (1) is more than or equal to 550N.
2. A reel hanger cable as claimed in claim 1, wherein said adjacent two first cable cores are tangentially arranged and said adjacent two second cable cores are tangentially arranged.
3. The reel hanger cable according to claim 1, characterized in that the tensile aramid woven element (1) is formed by twisting seven aramid filaments together in a right direction in a concentric manner, the eighty four soft copper filaments with phi of 0.15 and mm of the cable composite tensile conductor (2) are twisted outside the tensile aramid woven element (1) in a left direction, and the twisting pitch of the cable composite tensile conductor (2) is 16-18 times the diameter of the soft copper filaments.
4. The manufacturing method of the reel hanger cable is characterized by comprising the following process steps of:
(1) the aramid fiber weaving reinforcing bearing element (4) with the circular cross section is filled in the center of the cable, seven aramid fiber yarns are wound on a spindle of a weaving machine in a concentric bundling mode at the center of the cable, then the 16-spindle weaving machine is adopted for weaving to be used as filling, the aramid fiber weaving structure is stable, the breaking force is more than or equal to 20kN, and the elongation rate is less than or equal to 0.3%; the first cable cores are uniformly distributed on the outer circle of the aramid fiber woven reinforced bearing element (4) and tangent to the aramid fiber woven reinforced bearing element (4), so that the stability of the whole cable structure and the uniformity of stress are ensured;
(2) the first cable core comprises a tensile aramid woven element (1), a cable composite tensile conductor (2) and a TPEE thin-wall insulating layer (3), wherein the tensile aramid woven element (1), the cable composite tensile conductor (2) and the TPEE thin-wall insulating layer (3) are sequentially arranged from inside to outside, one number of the cable cores is multiple, and a plurality of cable cores are arranged on the outer circumference of the aramid woven reinforced bearing element (4) in an annular structure; the tensile aramid woven element (1) is formed by twisting seven aramid filaments together in a right direction in a concentric manner, and the breaking force of the tensile aramid woven element (1) is more than or equal to 550N; eighty four soft copper wires with phi of 0.15 and mm are stranded outside the tensile aramid woven element (1) in the left direction, and the stranding pitch of the cable composite tensile conductor (2) is 16-18 times the diameter of the soft copper wires; the TPEE thin-wall insulating layer (3) comprises 100-150 parts of TPEE polyester elastomer, 40-50 parts of polyolefin elastomer, 1.5-2.5 parts of lubricant, 0.8-1.0 parts of antioxidant and 1-5 parts of colorant, wherein the parts are by mass, the TPEE polyester elastomer, the lubricant, the antioxidant and the colorant are added into a high-speed stirrer to be uniformly mixed, and then the mixture is granulated by a co-rotating twin-screw extruder, wherein the temperatures of all the sections of the extruder are 170-185 ℃ and 190-200 ℃ and 200-210 ℃ and 210-220 ℃ and 220-230 ℃ and the temperature of a machine head is 230-240 ℃ from a charging hole;
(3) the cable belting (5) is wrapped outside the annular structure formed by the first cable cores, the cable belting (5) is cotton tape, the second cable cores are uniformly distributed at the outer circumference of the cable belting (5), the second cable cores are identical in structure with the first cable cores, the outer diameters of the second cable cores are equal, the number of the second cable cores is multiple, the second cable cores are tangential to the outer circumference of the cable belting (5), and the multiple cable cores are distributed on the outer circumference of the cable belting (5) in an annular structure; the outer wrapping assembly cable of the cable core is wrapped with a cotton tape (6), the outer wrapping assembly cable is wrapped with a polyurethane inner sheath (7) in an extrusion mode, an aramid fiber woven reinforcing layer (8) is woven outside the polyurethane inner sheath (7), and a polyurethane outer sheath (9) is extruded outside the aramid fiber woven reinforcing layer (8); the polyurethane inner sheath (7), the aramid fiber weaving reinforcing layer (8) and the polyurethane outer sheath (9) form a reinforced polyurethane comprehensive sheath; firstly extruding a layer of Pasteur polyether type 1185A polyurethane inner sheath by adopting a single screw extruder with a compression ratio of 1:2.5, sequentially extruding 150 ℃, 165 ℃, 180 ℃, 190 ℃ and 190 ℃ from a feeding hole to a die hole at the extruding temperature of the polyurethane, braiding a layer of aramid fiber braided reinforcing layer (8) on the surface of the polyurethane inner sheath (7), placing the polyurethane inner sheath after braiding the aramid fiber braided reinforcing layer (8) in an oven for heating and drying at 50-60 ℃, removing moisture of the aramid fiber braided reinforcing layer, extruding a layer of Pasteur polyether type 1185A polyurethane outer sheath (9) after the aramid fiber braided reinforcing layer is dried, and sequentially extruding 150 ℃, 165 ℃, 180 ℃, 190 ℃ and 190 ℃ from the feeding hole to the die hole at the extruding temperature of the polyurethane.
5. The method for manufacturing the reel hanger cable according to claim 4, wherein the first two adjacent cable cores are arranged in a tangent manner, and the second two adjacent cable cores are arranged in a tangent manner.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109473209B (en) * | 2018-12-18 | 2023-11-03 | 河北华通线缆集团股份有限公司 | Flexible reinforced environment-friendly lifting appliance basket cable and production method |
| CN110335713A (en) * | 2019-07-29 | 2019-10-15 | 上海飞航电线电缆有限公司 | A kind of servo cable |
| CN114171248B (en) * | 2020-09-11 | 2024-03-26 | 中国石油天然气集团有限公司 | Cable structure and manufacturing method thereof |
| CN116978624A (en) * | 2023-08-01 | 2023-10-31 | 广东坚宝电缆有限公司 | Composite drag chain cable easy to assemble and manufacturing process thereof |
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Effective date of registration: 20230911 Address after: 063300 111 Huatong street, Fengnan Economic Development Zone, Tangshan City, Hebei Applicant after: HEBEI HUATONG WIRES AND CABLES GROUP Co.,Ltd. Address before: No. 111, Huatong street, Fengnan District, Tangshan City, Hebei Province 063000 Applicant before: TANGSHAN HUATONG SPECIAL CABLE MANUFACTURING Co.,Ltd. |
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