CN112435780A - Multi-combination flexible flat cable special for variable-frequency drag chain - Google Patents

Multi-combination flexible flat cable special for variable-frequency drag chain Download PDF

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Publication number
CN112435780A
CN112435780A CN202011494115.2A CN202011494115A CN112435780A CN 112435780 A CN112435780 A CN 112435780A CN 202011494115 A CN202011494115 A CN 202011494115A CN 112435780 A CN112435780 A CN 112435780A
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CN
China
Prior art keywords
isolation belt
cable
outer side
fixedly connected
skid
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
Application number
CN202011494115.2A
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Chinese (zh)
Inventor
贺应奇
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Trokabal Cable Shanghai Co ltd
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Trokabal Cable Shanghai Co ltd
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Publication date
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Priority to CN202011494115.2A priority Critical patent/CN112435780A/en
Publication of CN112435780A publication Critical patent/CN112435780A/en
Pending legal-status Critical Current

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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
    • H01B7/08—Flat or ribbon cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
    • 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
    • H01B7/0009—Details relating to the conductive cores
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • 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
    • 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
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/1875—Multi-layer sheaths
    • H01B7/1885—Inter-layer adherence preventing 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
    • 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
    • H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Insulated Conductors (AREA)

Abstract

The invention relates to the technical field of cables for frequency conversion electric equipment, in particular to a special multi-combination flexible flat cable for a frequency conversion drag chain, which comprises a aramid twisted rope and a control cable, wherein a conductor in a power cable adopts annealed soft copper monofilament, under the condition that the cross section of a conductor is not changed, the diameter of a single conductor is reduced, the number of single lines is increased, the single lines are twisted in the same direction at a small pitch multiple ratio, waterproof glue is injected, the anti-skidding isolating layer is wrapped to form the anti-skidding isolating layer, the conductor is compact, soft and bending-resistant in structure, and is suitable for frequent reciprocating motion and used in the occasion of a towline system which is frequently bent and moved, the arranged control cable insulating layer and the arranged power cable insulating layer are both made of extruded halogen-free flame-retardant environment-friendly high-elasticity rubber blocks, the tensile strength of an insulating wire core is enhanced because the cross-linked rubber has high resilience and flexibility to buffer external mechanical stress, and.

Description

Multi-combination flexible flat cable special for variable-frequency drag chain
Technical Field
The invention relates to the technical field of cables for frequency conversion electrical equipment, in particular to a multi-combination flexible flat cable special for a frequency conversion drag chain.
Background
The frequency conversion drag chain is a frequency conversion system which is installed in the occasions of industrial automation, ports and docks, logistics conveying systems and hoisting machinery equipment under the free continuous reciprocating motion of strong stress slow release or forced guidance, improves the performance of the equipment in various aspects such as speed regulation, starting and the like, and is being popularized and used more and more, so the demand of a special multi-combination flexible flat cable for the frequency conversion drag chain is increasing day by day.
Most of frequency conversion towlines in the existing market are used for power supply connection of mobile frequency conversion equipment and transmission of control signals, cables used in a matched mode need to be equipped with indoor and outdoor dry, humid, underwater and cold environments to move back and forth along with frequency conversion, and the cables are used in frequently bent occasions, and new requirements are provided for flexibility, bending resistance and electromagnetic shielding anti-interference performance of the cables, so that the multi-combination flexible flat cables special for the frequency conversion towlines are provided for solving the problems.
Disclosure of Invention
The invention aims to provide a special multi-combination flexible flat cable for a variable-frequency drag chain, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the special multi-combination flexible flat cable for the variable-frequency drag chain comprises four to twelve control cables and a plurality of outer layers of control cables, wherein the control cables are annularly distributed on the outer sides of the outer layers of the control cables, a control cable insulating layer is fixedly connected to the outer sides of the control cables, a first anti-skid isolation belt is arranged on the outer side of the control cable insulating layer, the number of the first anti-skid isolation belt layers is two, a control cable shielding layer is arranged on the outer side of the first anti-skid isolation belt positioned on the inner side, the outer side of the control cable shielding layer is fixedly connected with the inner side of the first anti-skid isolation belt positioned on the outer side, an outer sheath layer is fixedly connected to the outer side of the first anti-skid isolation belt positioned on the outer side, a second anti-skid isolation belt is fixedly connected to the inner side of the outer sheath layer, the second anti-skid isolation belt is three, a woven shielding layer is fixedly connected to the inner side of the second anti-skid isolation belt positioned on the outer side, the inner side of the innermost second anti-skid isolation belt is fixedly connected with a power cable, and the outer side of the innermost second anti-skid isolation belt is fixedly connected with a power cable insulation layer.
Preferably, the number of the power cables is two to ten, and the power cables are symmetrically distributed on the left side and the right side of the aramid twisted rope.
Preferably, the control cable insulating layer and the power cable insulating layer are both made of extruded halogen-free flame-retardant environment-friendly high-elasticity rubber blocks.
Preferably, the conductor in the power cable is made of annealed soft copper monofilaments, the diameter of the conductor monofilaments is reduced, the number of the single wires is increased, the single wires are twisted in the same direction at a small pitch-to-multiple ratio under the condition that the section of the conductor is not changed, waterproof glue is injected, and an anti-skid isolation layer is wrapped.
Preferably, the outer sheath layer is made by a special flat machine head and a special die and adopting a compact structure and a high-strength polyester mixture block by extrusion.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the conductor in the power cable is made of annealed soft copper monofilaments, the diameter of the conductor monofilaments is reduced, the number of the single wires is increased, the conductor monofilaments are twisted in the same direction at a small pitch-to-multiple ratio under the condition that the section of the conductor is not changed, waterproof glue is injected, and the conductor is made by wrapping an anti-slip isolating layer.
2. In the invention, the control cable insulating layer and the power cable insulating layer are both made of extruded halogen-free flame-retardant environment-friendly high-elasticity rubber blocks, and the crosslinked rubber has high resilience and flexibility so as to buffer external mechanical stress and enhance the tensile strength of the insulated wire core, so that secondary disasters cannot be generated during fire combustion.
3. According to the anti-slip cable, the wrapping anti-slip isolation belts are adopted on the twisted conductors, the insulation wire cores and the control wire core copper wire braided layers, adhesion between the conductors and the insulation layer and adhesion between the insulation layer and the sheath layer are prevented, the conductors and the insulation layer can freely slide, and the overall flexibility and bending resistance of the cable are improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: the cable comprises a 1-Arlen wire stranded rope, a 2-control cable, a 3-control cable insulating layer, a 4-first anti-skid isolation belt, a 5-control cable shielding layer, a 6-power cable, a 7-second anti-skid isolation belt, an 8-power cable insulating layer, a 9-braided shielding layer and a 10-outer sheath layer.
Detailed Description
Referring to fig. 1, the present invention provides a technical solution:
the special multi-combination flexible flat cable for the variable-frequency drag chain comprises an Arrhen twisted rope 1 and control cables 2, wherein the number of the control cables 2 is four to twelve, the control cables 2 are annularly distributed on the outer side of the Arrhen twisted rope 1, a control cable insulating layer 3 is fixedly connected to the outer side of each control cable 2, a first anti-skid isolation belt 4 is arranged on the outer side of each control cable insulating layer 3, the number of layers of the first anti-skid isolation belt 4 is two, a control cable shielding layer 5 is arranged on the outer side of the first anti-skid isolation belt 4 on the inner side, the outer side of the control cable shielding layer 5 is fixedly connected with the inner side of the first anti-skid isolation belt 4 on the outer side, an outer sheath layer 10 is fixedly connected to the outer side of the first anti-skid isolation belt 4 on the outer side, a second anti-skid isolation belt 7 is fixedly connected to the inner side of the outer sheath layer 10, and the number of layers of the second anti-skid isolation belt 7 is three, the inner side of the second anti-skid isolation belt 7 located on the outermost side is fixedly connected with a braided shielding layer 9, the inner side of the second anti-skid isolation belt 7 located on the innermost side is fixedly connected with a power cable 6, and the outer side of the second anti-skid isolation belt 7 located on the innermost side is fixedly connected with a power cable insulating layer 8.
The number of the power cables 6 is two to ten, the power cables 6 are symmetrically distributed on the left side and the right side of the Arrhen stranded rope 1, the arrangement is favorable for balancing and eliminating the twisting pitch back twist generated when the power cables (6) move and bend frequently back and forth, the cables are ensured not to generate twisting deformation when moving, the whole mechanical property of the cables is enhanced, the control cable insulating layer 3 and the power cable insulating layer 8 are both made of extruded halogen-free flame-retardant environment-friendly high-elasticity rubber blocks, the tensile strength of an insulating wire core is enhanced because the cross-linked rubber has high resilience and softness to buffer the external mechanical stress, secondary disasters are not generated when fire fires occur and burning, the conductor in the power cables 6 adopts annealed soft copper monofilaments, the diameter of the conductor monofilaments is reduced, the number of the monofilaments is increased, the small pitch multiple ratio is stranded in the same direction under the condition that the section of the conductor is unchanged, inject waterproof glue, make around package anti-skidding isolation layer, the conductor structure is inseparable, soft, resistant crooked, adapts to frequent back and forth movement, uses under the tow chain system occasion that frequent bending removed, oversheath layer 10 is through purpose-made special aircraft nose of flat type, mould, adopts the crowded package high strength polyester mixture piece of compact structure to make, has waterproof, resistant oil, cold-resistant, ultraviolet resistance, wear-resisting, low smoke and zero halogen fire-retardant, high strength and high elasticity's characteristic, and the removal frequency conversion of the tow chain system that adapts to various special environment and lasts frequent bending free movement strong pulling force and mandatory motion is equipped for long-term the use.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.

Claims (5)

1. The special multi-combination flexible flat cable for the variable-frequency drag chain comprises an aromatic silk twisted rope (1) and a control cable (2), and is characterized in that: the number of the control cables (2) is four to twelve, the control cables (2) are annularly distributed on the outer side of the aramid stranded rope (1), the outer side of the control cables (2) is fixedly connected with a control cable insulating layer (3), the outer side of the control cable insulating layer (3) is provided with a first anti-skid isolation belt (4), the number of layers of the first anti-skid isolation belt (4) is two, the outer side of the first anti-skid isolation belt (4) positioned on the inner side is provided with a control cable shielding layer (5), the outer side of the control cable shielding layer (5) is fixedly connected with the inner side of the first anti-skid isolation belt (4) positioned on the outer side, the outer side of the first anti-skid isolation belt (4) positioned on the outer side is fixedly connected with an outer sheath layer (10), the inner side of the outer sheath layer (10) is fixedly connected with a second anti-skid isolation belt (7), and the number of layers of the second anti-skid isolation belt (7) is three, the inner side of the second anti-skid isolation belt (7) located on the outermost side is fixedly connected with a braided shielding layer (9), the inner side of the second anti-skid isolation belt (7) located on the innermost side is fixedly connected with a power cable (6), and the outer side of the second anti-skid isolation belt (7) located on the innermost side is fixedly connected with a power cable insulating layer (8).
2. The special multi-combination flexible flat cable for the variable-frequency drag chain according to claim 1, characterized in that: the number of the power cables (6) is two to ten, and the power cables (6) are symmetrically distributed on the left side and the right side of the Arrhenius twisted rope (1).
3. The special multi-combination flexible flat cable for the variable-frequency drag chain according to claim 1, characterized in that: the control cable insulating layer (3) and the power cable insulating layer (8) are both made of extruded halogen-free flame-retardant environment-friendly high-elasticity rubber blocks.
4. The special multi-combination flexible flat cable for the variable-frequency drag chain according to claim 1, characterized in that: the conductor in the power cable (6) adopts annealed soft copper monofilaments, the diameter of the conductor monofilaments is reduced, the number of the single wires is increased, the small pitch multiple ratio stranding is carried out in the same direction, waterproof glue is injected, and the anti-skid isolation layer is wrapped to form the power cable.
5. The special multi-combination flexible flat cable for the variable-frequency drag chain according to claim 1, characterized in that: the outer sheath layer (10) is made by a special flat special machine head and a special mould and adopting a compact structure to extrude and wrap a high-strength polyester mixture block.
CN202011494115.2A 2020-12-17 2020-12-17 Multi-combination flexible flat cable special for variable-frequency drag chain Pending CN112435780A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011494115.2A CN112435780A (en) 2020-12-17 2020-12-17 Multi-combination flexible flat cable special for variable-frequency drag chain

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011494115.2A CN112435780A (en) 2020-12-17 2020-12-17 Multi-combination flexible flat cable special for variable-frequency drag chain

Publications (1)

Publication Number Publication Date
CN112435780A true CN112435780A (en) 2021-03-02

Family

ID=74696668

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011494115.2A Pending CN112435780A (en) 2020-12-17 2020-12-17 Multi-combination flexible flat cable special for variable-frequency drag chain

Country Status (1)

Country Link
CN (1) CN112435780A (en)

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