CN110718333A - Processing method of towline cable conductor - Google Patents
Processing method of towline cable conductor Download PDFInfo
- Publication number
- CN110718333A CN110718333A CN201910877134.4A CN201910877134A CN110718333A CN 110718333 A CN110718333 A CN 110718333A CN 201910877134 A CN201910877134 A CN 201910877134A CN 110718333 A CN110718333 A CN 110718333A
- Authority
- CN
- China
- Prior art keywords
- conductor
- wire
- wires
- reinforcing
- twisting
- 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
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- 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
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/08—Several wires or the like stranded in the form of a rope
- H01B5/10—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material
- H01B5/102—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material stranded around a high tensile strength core
- H01B5/105—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material stranded around a high tensile strength core composed of synthetic filaments, e.g. glass-fibres
-
- 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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing 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
- H01B7/182—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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Ropes Or Cables (AREA)
Abstract
The invention discloses a processing method of a towline cable conductor, which comprises the following steps: selecting a plurality of copper wires with the elongation rate of more than or equal to 18 percent; the compound yarn is formed by twisting 2-3 copper wires, a plurality of compound yarns are wrapped around a hollow first reinforcing wire to obtain a lead unit, and the first reinforcing wire is arranged at the center of the compound yarn; arranging a plurality of lead units on the inner periphery of a towline cable conductor; the wire is firstly bundled and then twisted again, and a second reinforcing wire is additionally arranged at the central position of the twisted part. The form of bundling wires firstly and then twisting the wires repeatedly is adopted, so that the stability of the conductor structure is kept, the uniform stress of the conductor is ensured when the conductor is bent, the mechanical stress concentration is avoided, and the bending fatigue life of the conductor is prolonged; meanwhile, the central positions of the stranded wires and the compound twists are provided with the reinforcing wires, so that the bending strength of the whole conductor is improved, the gaps among the single copper wires are increased, the stress effect during bending is reduced, the bending fatigue life of the conductor is effectively prolonged, the bending times of the cable are greatly increased, and the comprehensive strength is high.
Description
Technical Field
The invention belongs to the technical field of wires and cables, and particularly relates to a processing method of a towline cable conductor.
Background
The drag chain cable is mainly applied to industrial electronic systems, automatic production lines, storage equipment, robots, fire-fighting systems, cranes, numerical control machines and metallurgical industry. In the occasion that the equipment unit needs to move back and forth, the matched cable often needs to move at a high speed, and in order to prevent the cable from being entangled, abraded, pulled off, hung and scattered, the cable is often put into a cable drag chain to protect the cable, and the cable can also move back and forth along with the drag chain. Therefore, the cable should be selected to have the most flexible conductor, generally, the smaller the diameter of the conductor, the softer the conductor, and the better the flexibility of the cable, but the diameter of the copper wire is proportional to the mechanical fatigue resistance, and the smaller the diameter, the weaker the mechanical fatigue resistance, i.e., the toughness is poor. The drag chain electric system is in a dynamic working environment of repeated circulation and bending, and the adopted conductor has extremely high requirement on toughness, so that the combination of flexibility and toughness needs to be mastered in the process of selecting the conductor for the drag chain electric system, if the conductor is refined, copper wires are wound in use, the conductor is easy to break in the working process, and the tensile strength of the conductor is reduced because the conductor is too thin.
The stability of the conductor structure of traditional tow chain cable is not high for the conductor atress when buckling is inhomogeneous, because mechanical force is concentrated, the fatigue life of buckling of conductor is not high, consequently, the number of times of buckling of cable is also not high, and tensile strength is on the low side, and whole pliability is not enough, and life in the use is not long, or takes place various damage failures promptly in the short time, and comprehensive strength is low excessively, can not satisfy the equipment demand.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the processing method of the towline cable conductor provided by the invention adopts a form of firstly bundling wires and then twisting again, so that the stability of the conductor structure is maintained, the conductor is uniformly stressed when being bent, the mechanical stress concentration is avoided, the bending fatigue life of the conductor is greatly prolonged, and the comprehensive strength is high.
In order to overcome the technical problems, the technical scheme adopted by the invention is as follows: a processing method of a towline cable conductor comprises the following steps: selecting a plurality of copper wires with the elongation rate of more than or equal to 18 percent; each strand is formed by twisting 2-3 copper wires, a plurality of strands are wrapped around a hollow first reinforcing wire to obtain a lead unit, and the first reinforcing wire is arranged at the center of each strand; arranging a plurality of lead units on the inner periphery of a towline cable conductor; the wire is firstly bundled and then twisted again, and a second reinforcing wire is additionally arranged at the central position of the twisted part.
As a further improvement of the above solution, the number of strands in the wire unit is 7.
As a further improvement of the scheme, the copper wire is a tinned oxygen-free copper wire.
As a further improvement of the scheme, the diameter of the copper wire is 0.05-0.08 mm.
As a further improvement of the above aspect, the first reinforcing wire is an anti-stretch wire having a diameter of 200D.
As a further improvement of the above solution, the second reinforcing wire has a bullet-proof wire with a diameter of 3000D.
As a further improvement of the scheme, the twisting direction of the bunched yarns is S direction.
As a further improvement of the scheme, the bunching pitch-diameter ratio is 10-12. The tension is controlled to be 150mN-180mN during wire binding, and a uniform wire inlet mode is adopted, so that the copper wire can be effectively prevented from being thinned or broken, and the copper wire is ensured to be completely coated with the reinforcing wire.
As a further improvement of the scheme, the twisting direction is the same as the S direction of the strand during the complex twisting.
As a further improvement of the above scheme, the pitch-diameter ratio during complex twisting is 8. And controlling the tension to be 0.8N-1.2N during the secondary twisting, and thinning or breaking the copper wire by adopting a uniform wire inlet mode. Alcohol is dripped in the process of twisting again in a dripping mode to avoid heating and scratching the copper wire. It is also necessary to ensure that the copper wire completely covers the reinforcing wire.
The invention has the beneficial effects that: the invention provides a processing method of a towline cable conductor, which comprises the following steps: selecting a plurality of copper wires with the elongation rate of more than or equal to 18 percent; the compound yarn is formed by twisting 2-3 copper wires, a plurality of compound yarns are wrapped around a hollow first reinforcing wire to obtain a lead unit, and the first reinforcing wire is arranged at the center of the compound yarn; arranging a plurality of lead units on the inner periphery of a towline cable conductor; the wire is firstly bundled and then twisted again, and a second reinforcing wire is additionally arranged at the central position of the twisted part. The form of bundling wires firstly and then twisting the wires repeatedly is beneficial to keeping the stability of the conductor structure, so that the conductor is uniformly stressed during bending, mechanical stress concentration is avoided, and the bending fatigue life of the conductor is greatly prolonged; meanwhile, the central positions of the stranded wires and the compound twists are respectively added with the reinforcing wires, so that the bending strength of the whole conductor is improved, the gaps among the single copper wires are increased, the stress effect during bending is reduced, the bending fatigue life of the conductor is effectively prolonged, the bending times of the cable are greatly increased, the comprehensive strength is high, and the requirement of equipment can be met.
Drawings
The above-described towline cable conductors and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a towline cable conductor according to an embodiment of the invention;
reference numerals:
Detailed Description
The present invention is specifically described below with reference to examples in order to facilitate understanding of the present invention by those skilled in the art. It should be particularly noted that the examples are given solely for the purpose of illustration and are not to be construed as limitations on the scope of the invention, as non-essential improvements and modifications to the invention may occur to those skilled in the art, which fall within the scope of the invention as defined by the appended claims. Meanwhile, the raw materials mentioned below are not specified in detail and are all commercially available products; the process steps or preparation methods not mentioned in detail are all process steps or preparation methods known to the person skilled in the art.
As shown in fig. 1, the method for processing a towline cable conductor according to the invention comprises the following steps: selecting a plurality of copper wires 100 with the elongation rate of more than or equal to 18 percent; twisting every 2-3 copper wires 100 into a strand, wrapping every 7 strands around the hollow first reinforcing wire 200 to obtain a plurality of lead units 400, and arranging the first reinforcing wire 200 at the center of the copper wires 100; arranging a plurality of wire units 400 on the inner periphery of a towline cable conductor; the method adopts a form of bundling wires firstly and then twisting repeatedly, and a second reinforcing wire 300 is additionally arranged at the central position of the twisting repeatedly.
The copper wire 100 is wrapped around the hollow first reinforcing wire 200, so that the bending radius is increased, and the bending fatigue life of the conductor is prolonged; adopt the form of restrainting the silk earlier and then twisting again, be favorable to keeping conductor structure's stability, thereby guarantee that the conductor atress is even when buckling, avoid mechanical stress concentration, greatly improved the fatigue life of buckling of conductor, 3000D's second enhancement silk 300 has been add at the central point of twisting again simultaneously, and 200D's first enhancement silk 200 has been add to the central point of strand, the bending strength of whole root conductor has been improved greatly, single copper wire 100's clearance has been increased, and stress action when having reduced the bending, thereby the fatigue life of buckling of conductor has been improved.
As a further preferred embodiment, the copper wire 100 is a tin-plated oxygen-free copper wire.
As a further preferred embodiment, the diameter of the copper wire 100 is 0.05-0.08 mm.
In a more preferred embodiment, the strand direction is an S direction.
In a further preferred embodiment, the bunching pitch-diameter ratio is 10 to 12. The tension is controlled to be 150mN-180mN during wire bundling, and a uniform wire inlet mode is adopted, so that the copper wire 100 can be effectively prevented from being thinned or broken, and the copper wire 100 is ensured to completely cover the reinforcing wires.
In a further preferred embodiment, the twist direction is the same as the S direction of the strands in the multiple twisting.
In a more preferred embodiment, the pitch-diameter ratio at the time of the complex twisting is 8. And the tension is controlled to be 0.8N-1.2N during the secondary twisting, and the copper wire 100 is thinned or broken by adopting a uniform wire inlet mode. Alcohol is dripped in the process of twisting again in a dripping mode to avoid heating and scratching the copper wire 100. In addition, it is also necessary to ensure that the copper wire 100 completely covers the reinforcing wire.
Table 1 shows the results of bending experiments performed on the towline cable made of the high-strength conductor of this embodiment and the towline cable of suzhou kobao, which mainly includes testing and comparing the bending times (ten thousand times) of the cable when the monofilament breaking rate of the conductor is increased by 1 time after the conductor is bent 500 ten thousand times, and the monofilament breaking rate of the conductor is bent 1000 ten thousand times.
Table 1 bending test and comparison of towline cable made with the high strength conductor of this example and the towline cable of suzhou kobao
As can be seen from table 1, the breaking rate of the monofilament in the conductor after being bent for 500 ten thousand times and the breaking rate of the monofilament in the conductor after being bent for 1000 ten thousand times are respectively 1% and 2%, which are significantly lower than 7% and 18% of those of the towline cable made of the suzhou kebao conductor, and when the cathode of the conductor is increased by 1 time, the bending times of the towline cable made of the high-strength conductor of this embodiment is 1587 ten thousand times, which is significantly higher than 830 ten thousand times of the towline cable made of the suzhou kebao conductor. The invention adopts the form of firstly binding wires and then twisting the wires repeatedly when the conductor is manufactured, so that the stability of the conductor structure is maintained, the uniform stress of the conductor is ensured when the conductor is bent, the mechanical stress concentration is avoided, the bending fatigue life of the conductor is greatly prolonged, and the comprehensive strength is greatly improved.
It will be obvious to those skilled in the art that many simple derivations or substitutions can be made without inventive effort without departing from the inventive concept. Therefore, simple modifications to the present invention by those skilled in the art according to the present disclosure should be within the scope of the present invention. The above embodiments are preferred embodiments of the present invention, and all similar processes and equivalent variations to those of the present invention should fall within the scope of the present invention.
Claims (10)
1. A method for processing a towline cable conductor is characterized by comprising the following steps: selecting a plurality of copper wires with the elongation rate of more than or equal to 18 percent; the compound yarn is formed by twisting 2-3 copper wires, a plurality of compound yarns are wrapped around a hollow first reinforcing wire to obtain a lead unit, and the first reinforcing wire is arranged at the center of the compound yarn; arranging a plurality of lead units on the inner periphery of a towline cable conductor; the wire is firstly bundled and then twisted again, and a second reinforcing wire is additionally arranged at the central position of the twisted part.
2. The process of claim 1 wherein there are 7 strands in the wire unit.
3. The process of claim 1, wherein the copper wire is a tin-plated oxygen-free copper wire.
4. The process according to claim 1, characterized in that the diameter of the copper wire is between 0.05 and 0.08 mm.
5. The process of claim 1 wherein said first reinforcing wire is a 200D diameter ballistic wire.
6. The process of claim 1 wherein said second reinforcing filaments are bullet-proof filaments having a diameter of 3000D.
7. The process of claim 1, wherein the bunching is in an S-direction.
8. The process according to claim 1, wherein the draw ratio is 10 to 12.
9. The process according to claim 1, wherein the direction of twist is the same as the direction S of the strand during the multiple twisting.
10. The process according to claim 1, wherein the pitch-to-diameter ratio is 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910877134.4A CN110718333A (en) | 2019-09-17 | 2019-09-17 | Processing method of towline cable conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910877134.4A CN110718333A (en) | 2019-09-17 | 2019-09-17 | Processing method of towline cable conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110718333A true CN110718333A (en) | 2020-01-21 |
Family
ID=69209879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910877134.4A Pending CN110718333A (en) | 2019-09-17 | 2019-09-17 | Processing method of towline cable conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110718333A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834039A (en) * | 2020-07-24 | 2020-10-27 | 远东电缆有限公司 | Ultra-soft large-current cable for smart energy and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5304739A (en) * | 1991-12-19 | 1994-04-19 | Klug Reja B | High energy coaxial cable for use in pulsed high energy systems |
| CN201374213Y (en) * | 2009-04-03 | 2009-12-30 | 江苏江扬电缆有限公司 | Wind energy cable |
| CN102820083A (en) * | 2012-06-20 | 2012-12-12 | 江苏远洋东泽电缆股份有限公司 | High-flexibility shielding cable for drag chain and manufacturing method thereof |
| CN203351230U (en) * | 2013-07-18 | 2013-12-18 | 湖州东尼电子有限公司 | Tin-coated copper wire and kelver combined copper stranded wire |
| CN204706363U (en) * | 2015-05-27 | 2015-10-14 | 鄂尔多斯市西北电缆有限公司 | The reinforced shuttle car cable of a kind of carbon fiber |
| CN106710695A (en) * | 2015-07-20 | 2017-05-24 | 上海名耐特种电缆有限公司 | Cold-resistant chain sheath cable |
| CN110111936A (en) * | 2019-06-04 | 2019-08-09 | 江苏中煤电缆有限公司 | A kind of hollow high flexibility high-strength tensile resist bending flexible conductor structure |
-
2019
- 2019-09-17 CN CN201910877134.4A patent/CN110718333A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5304739A (en) * | 1991-12-19 | 1994-04-19 | Klug Reja B | High energy coaxial cable for use in pulsed high energy systems |
| CN201374213Y (en) * | 2009-04-03 | 2009-12-30 | 江苏江扬电缆有限公司 | Wind energy cable |
| CN102820083A (en) * | 2012-06-20 | 2012-12-12 | 江苏远洋东泽电缆股份有限公司 | High-flexibility shielding cable for drag chain and manufacturing method thereof |
| CN203351230U (en) * | 2013-07-18 | 2013-12-18 | 湖州东尼电子有限公司 | Tin-coated copper wire and kelver combined copper stranded wire |
| CN204706363U (en) * | 2015-05-27 | 2015-10-14 | 鄂尔多斯市西北电缆有限公司 | The reinforced shuttle car cable of a kind of carbon fiber |
| CN106710695A (en) * | 2015-07-20 | 2017-05-24 | 上海名耐特种电缆有限公司 | Cold-resistant chain sheath cable |
| CN110111936A (en) * | 2019-06-04 | 2019-08-09 | 江苏中煤电缆有限公司 | A kind of hollow high flexibility high-strength tensile resist bending flexible conductor structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834039A (en) * | 2020-07-24 | 2020-10-27 | 远东电缆有限公司 | Ultra-soft large-current cable for smart energy and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101521051B (en) | Electrical conductor | |
| US9027235B2 (en) | Method of producing a braid comprising a plurality of wires | |
| EP3140452A1 (en) | Steel cord with reduced residual torsions | |
| CN105448412B (en) | Flat combination drag chain cable and preparation method thereof | |
| CN104751944A (en) | Electric wire of drag chain system and manufacturing method of electric wire | |
| CN103400644A (en) | Dragging twist-resistant metallic shield flexible cable for mining equipment | |
| CN104112506A (en) | Flexible cable of coal cutter | |
| CN110718333A (en) | Processing method of towline cable conductor | |
| CN102103901A (en) | Cable storage basket lifting appliance cable for port machinery and manufacturing method thereof | |
| JP7535531B2 (en) | Steel cord for rubber reinforcement | |
| KR101335598B1 (en) | Seat heating wire having composite structure | |
| CN201904160U (en) | Communication cable used for Festoon system of port machine | |
| CN207503730U (en) | A kind of stranded wire apparatus | |
| CN102298990A (en) | Towing resistance rubber flexible cable with flexibility reinforcement structure | |
| CN103137254A (en) | Novel aviation cable protecting cover | |
| CN111584133A (en) | High-strength cable core structure and production process thereof | |
| CN101894614A (en) | Multi-core cable | |
| CN211858217U (en) | Mining wear-resistant cable | |
| CN221708440U (en) | Mobile medical equipment cable | |
| CN216156237U (en) | Parallel twisted steel wire rope for elevator | |
| CN214476558U (en) | Wear-resisting intermediate speed tow chain cable of slipperiness | |
| CN214847803U (en) | High-speed towline cable with wear-resisting sliding property | |
| CN201904124U (en) | Medium-voltage mobile rubber-sheathed flexible cable for port machinery | |
| CN202102768U (en) | Anti-towing rubber jacketed flexible cable having flexible reinforced structure | |
| CN109243681A (en) | A kind of braided wire and its processing technology of band elasticity |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200121 |
|
| RJ01 | Rejection of invention patent application after publication |