CN108063018B - Splicing device and splicing process for twisting conductors of overhead insulated cable - Google Patents
Splicing device and splicing process for twisting conductors of overhead insulated cable Download PDFInfo
- Publication number
- CN108063018B CN108063018B CN201810017904.3A CN201810017904A CN108063018B CN 108063018 B CN108063018 B CN 108063018B CN 201810017904 A CN201810017904 A CN 201810017904A CN 108063018 B CN108063018 B CN 108063018B
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- compacting die
- wire
- die
- compacting
- point
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- 239000004020 conductor Substances 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000003466 welding Methods 0.000 claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 238000005520 cutting process Methods 0.000 claims description 20
- 230000000694 effects Effects 0.000 abstract description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000001050 lubricating effect Effects 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002113 nanodiamond Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/02—Stranding-up
- H01B13/0207—Details; Auxiliary devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/008—Power cables for overhead application
Abstract
The invention discloses a splicing device and a splicing process for stranding an overhead insulated cable conductor, which belong to the manufacture of cable conductors. The splicing device and the splicing process for the conductor stranding of the overhead insulated cable adopt a double-die design, and the front die and the rear die effectively ensure the compacting effect and the splicing quality; the single wire is welded by an electric welding machine, so that the connection effect is good and stable, short sections caused by accidental wire breakage are prevented, the production requirement of a large-length conductor is guaranteed, and the like.
Description
Technical Field
The invention relates to manufacture of a cable conductor, in particular to a splicing device and a splicing process for twisting an overhead insulated cable conductor.
Background
The overhead insulated cable is mainly used for construction and transformation of urban and rural distribution networks and railway power supply and distribution systems, is suitable for overhead power lines with rated voltage of 10kV and below, and is used in occasions with higher safety requirements such as towns, high-rise buildings, forest areas and the like. Because of the complex distribution environment of urban areas, in order to ensure the reliability of power supply, the urban and rural power grids are transformed to develop overhead insulated cables mainly, and the overhead lines of 10kV and below are insulated cables at present.
The general supply length of the overhead insulated cable is 5 km, so that how to ensure the stability of conductor stranding in the production process is important, how to improve the connection quality, and ensuring the performance of compacting the conductor after connection has important significance for improving the manufacturers of overhead insulated cable units. The traditional connection method adopts a cold-press welding mode to connect broken wires, then passes through a compression die, cannot guarantee the stability of the connected conductor, is easy to generate short sections, causes waste, and is difficult to guarantee the production requirement of a conductor with a large length.
Disclosure of Invention
The invention aims at overcoming the defects in the prior art, and provides a splicing device and a splicing process for twisting the conductors of the overhead insulated cable, wherein the splicing device and the splicing process for twisting the conductors of the overhead insulated cable are designed by adopting double dies, namely a front die and a rear die, so that the compacting effect and the splicing quality are effectively ensured; the single wire is welded by an electric welding machine, so that the connection effect is good and stable, short sections caused by accidental wire breakage are prevented, and the production requirement of a large-length conductor is guaranteed.
The technical scheme adopted for solving the technical problems is as follows: the welding machine comprises a base, a first compacting die, a second compacting die, a fixed baffle and a welding machine, wherein the first compacting die and the second compacting die are respectively arranged on the base, the first compacting die is arranged on the left side of the base, the second compacting die is arranged on the right side of the base, the fixed baffle is arranged on the base on the right side of the second compacting die, the aperture of the second compacting die is larger than that of the first compacting die, and the welding machine is positioned at the rear of the base.
The aperture of the second compacting die is 0.02mm larger than that of the first compacting die.
The distance between the first compacting die and the second compacting die is less than or equal to 30mm.
The left side of the first compacting die is provided with a cable conductor lubricating device.
The cable conductor lubricating device is arranged on the base.
The cable conductor lubricating device comprises a supporting rod, a medical drip bag, a dropper and dropper wires, wherein the medical drip bag is fixed on the supporting rod, the supporting rod is fixed on the base, the dropper is arranged at the lower part of the medical drip bag, the dropper is connected with the dropper wires through a connecting clamp, the dropper wires are connected with the supporting rod, and alcohol is filled in the medical drip bag.
The fixed baffle is of detachable design and is fixed on the base through screws.
The first compacting die and the second compacting die are respectively nano diamond coating dies.
A splicing process for twisting conductors of an overhead insulated cable, comprising the steps of:
when the stranded conductor is stranded and produced, the wire is cut off after passing through a first compacting die, connection is carried out at the moment, the equipment traction tension is kept unchanged, a fixed baffle plate on a base on the right side of a second compacting die is detached, a wire cutting point is checked, a first end of the wire cutting point is positioned between the first compacting die and the second compacting die, then a special compacting die sleeve is used for moving the second compacting die to a second end of the wire cutting point, then a proper filling single wire is selected, the length of the filling single wire is longer than the distance between the first end of the wire cutting point and the second end of the wire cutting point, the second end of the wire cutting point is aligned with one end of the filling single wire, the second end of the wire cutting point is in a convex triangular shape, and an welding rod is evenly welded at the upper corner of the convex triangular shape by an electric welding machine, so that the second connection point is formed;
then, orderly filling the filling single wires in gaps of the stranded conductor according to the stranded opposite direction of the stranded conductor, wherein the other end of the filling single wires exceeds the first end of the wire breaking point;
then a special compacting die sleeve is used for moving the second compacting die to the first end of the wire breaking point, and the process compacts the stranded conductor;
twisting and cutting the redundant filling single wire by using a wire cutting pliers, aligning the other end of the filling single wire with the first end of the wire cutting point to form a convex triangular shape, uniformly welding a welding rod at the upper corner of the convex triangular shape by using an electric welding machine, wherein the welding rod is a first connection point, and the welding point is within 30mm from a first compacting die;
resetting the first compacting die and the second compacting die, installing a fixed baffle plate on the right side of the second compacting die, slowly starting the equipment after checking, observing a first connection point, and increasing the equipment speed to a normal production speed after the equipment smoothly passes through the second compacting die, so that the connection process is finished.
The diameter of the filling single wire is 0.1mm smaller than that of the stranded single wire.
Compared with the prior art, the splicing device and the splicing process for the conductor stranding of the overhead insulated cable have the following outstanding beneficial effects: the connection after accidental wire breakage in the conductor twisting process is completed, and a double-die design and a front die and a rear die are adopted, so that the compacting effect and the connection quality are effectively ensured; the single wire is welded by an electric welding machine, so that the connection effect is good and stable, short sections caused by accidental wire breakage are prevented, and the production requirement of a large-length conductor is ensured; and adding alcohol to lubricate the first compacting die to smooth the outer surface of the conductor, and reducing the temperature of the die.
Drawings
FIG. 1 is a schematic illustration of a splicing apparatus for twisting conductors of an overhead insulated cable;
reference numerals illustrate: 1. the medical drip infusion device comprises a base, 2, a first compression mold, 3, a second compression mold, 4, a fixed baffle, 41, screws, 5, a cable conductor lubricating device, 51, a supporting rod, 52, a medical drip bag, 53, a drip tube, 54, a drip tube wire, 55, a connecting clamp, 6, a first end of a broken line point, 7, a second end of the broken line point, 8, a filling single line, 9, a second connecting point, 10 and a first connecting point.
Detailed Description
A splicing apparatus and a splicing process for twisting conductors of an insulated overhead cable according to the present invention will be described in detail with reference to fig. 1 of the accompanying drawings.
The invention relates to a splicing device for stranding an overhead insulated cable conductor, which structurally comprises a base 1, a first compacting die 2, a second compacting die 3, a fixed baffle 4 and an electric welding machine, wherein the first compacting die 2 and the second compacting die 3 are respectively arranged on the base 1, the first compacting die 2 is arranged on the left side of the base 1, the second compacting die 3 is arranged on the right side of the base 1, the fixed baffle 4 is arranged on the base 1 on the right side of the second compacting die 3, the aperture of the second compacting die 3 is larger than that of the first compacting die 2, and the electric welding machine is arranged at the rear part of the base 1.
The aperture of the second compacting die 3 is 0.02mm larger than that of the first compacting die 2.
The distance between the first compacting die 2 and the second compacting die 3 is less than or equal to 30mm.
The left side of the first compacting die 2 is provided with a cable conductor lubrication device 5.
The cable conductor lubrication device 5 is arranged on the base 1.
The cable conductor lubricating device 5 comprises a supporting rod 51, a medical drip bag 52, a drip tube 53 and a drip tube lead 54, wherein the medical drip bag 52 is fixed on the supporting rod 51, the supporting rod 51 is fixed on the base 1, the drip tube 53 is arranged at the lower part of the medical drip bag 52, the drip tube 53 is connected with the drip tube lead 54 through a connecting clamp 55, the drip tube lead 54 is connected with the supporting rod 51, and alcohol is filled in the medical drip bag 52.
The fixed baffle 4 is of a detachable design, and the fixed baffle 4 is fixed on the base 1 through screws 41.
The first compacting die 2 and the second compacting die 3 are respectively nano diamond coating dies.
A splicing process for twisting conductors of an overhead insulated cable, comprising the steps of:
when the stranded conductor is stranded and produced, when the stranded conductor is found to be broken after passing through the first compacting die 2, the machine is stopped immediately and is connected, the traction tension of equipment (taking a frame strander as an example) keeps unchanged, a fixed baffle 4 on a base 1 on the right side of the second compacting die 3 is detached, a broken line point is checked, the first end 6 of the broken line point is arranged between the first compacting die 2 and the second compacting die 3, then the second compacting die 3 is moved to the second end 7 of the broken line point by a special compacting die sleeve, then a proper filling single line 8 is selected, the length of the filling single line 8 is longer than the distance between the first end 6 of the broken line point and the second end 7 of the broken line point, the second end 7 of the broken line point is aligned with the filling single line 8 to form a convex triangle shape, and an welding rod is evenly welded at the upper corner of the convex triangle shape by an electric welding machine, and the welding rod is a second connection point 9;
then, the filling single wires 8 are orderly filled in gaps of the stranded conductor according to the stranded opposite direction of the stranded conductor, and the other end of the filling single wires 8 is beyond the first end 6 of the wire breaking point;
after the second compacting die 3 is moved to the first end 6 of the broken wire by the special compacting die sleeve, compacting the stranded conductor in the process;
twisting the redundant filling single wire 8 by using a wire cutter, aligning the other end of the filling single wire 8 with the first end 6 of the wire cutting point to form a convex triangle, and uniformly welding a welding rod at the upper corner of the convex triangle by using an electric welding machine, wherein the welding rod is a first connection point 10, and the welding point is within 230mm from a first compacting die;
resetting the first compacting die 2 and the second compacting die 3, installing a fixed baffle plate 4 on the right side of the second compacting die 3, placing a medical drip bag 52 above the first compacting die 2, placing a drip tube 53 at an alcohol drip position at a position where a stranded conductor enters the first compacting die 2, and adjusting the alcohol drip time; after checking for errors, the device is slowly started, the first connection point 10 is observed, and after the device passes through the second compacting die 3 smoothly, the device speed is increased to the normal production speed, and the connection process is completed.
The diameter of the filling single wire 8 is 0.1mm smaller than that of the stranded single wire.
The second head 7 of the broken line point and one end of the filling single line 8 are aligned and formed into a convex triangular shape,
when the first connecting point 10 and the second connecting point 9 are welded, the filling single line 8 and the stranded single line are welded to form a convex triangular shape, the vertical height of the convex is 1mm, and when the welding is performed, the corner welding is performed at the triangular position, so that the welding effect can be ensured, and the continuous wire breakage can be ensured when the welding passes through the second compacting die 3. The triangular shape has the beneficial effects that: the effective contact area of the broken wire point is increased during electric welding, so that the welding rod can be fully fused into the welding point, the welding effect is good, the welding is more stable than parallel contact welding, and the broken wire is effectively ensured when the welding rod passes through the second compacting die 3.
The alcohol lubrication is carried out by adopting a drip mode to enter the compressed part of the stranded conductor, the cable conductor lubrication device 5 adopts a medical drip bag 52, the medical drip bag 52 is fixed above the first compression mould 2, and the alcohol is dripped on the stranded conductor at fixed time intervals, wherein the time intervals are 5S.
The splicing device and the splicing process for twisting the conductors of the overhead insulated cable are suitable for splicing one single wire or a plurality of single wires when the wires are broken after passing through the first compacting die 2.
When a single wire is found to be broken after passing through the first compacting die 2 in the conductor twisting production process, the method can be used for carrying out connection, the twisted conductor is effectively controlled by the two compacting dies in the connection process, the connection quality is ensured, meanwhile, traction force is not required to be loosened, the machine can be started directly after connection, and the production continuity is ensured.
In the process of conductor twisting production, if a plurality of single wires are found to be broken after passing through the first compacting die 2, the connection can be performed according to the method, and only the distances between different connection points and the sequence of filling the single wires 8 in filling the gaps need to be paid attention to.
By implementing the technical scheme, the continuous process can effectively ensure the long-length continuous production of the compressed conductor, and provide a long-length product meeting the requirements of customers for subsequent production. Meanwhile, the double die design ensures that the connection points can pass through the compression die, thereby ensuring the conductor roundness and the compression quality of the connection points.
The above-mentioned embodiments are only for understanding the present invention, and are not intended to limit the technical solutions described in the present invention, and a person skilled in the relevant art may make various changes or modifications based on the technical solutions described in the claims, and all equivalent changes or modifications are intended to be included in the scope of the claims of the present invention. The present invention is not described in detail in the present application, and is well known to those skilled in the art.
Claims (2)
1. A splicing process for twisting conductors of overhead insulated cables is characterized by comprising the following steps: the method comprises the following steps:
when the stranded conductor is stranded and produced, the wire is cut off after passing through a first compacting die, the wire is immediately stopped, connection is carried out at the moment, the original tension is kept unchanged by equipment traction tension, a fixed baffle on a base on the right side of a second compacting die is detached, a wire cutting point is checked, a first head of the wire cutting point is arranged between the first compacting die and the second compacting die, the first compacting die and the second compacting die are respectively arranged on the base, the first compacting die is arranged on the left side of the base, the second compacting die is arranged on the right side of the base, the fixed baffle is arranged on the base on the right side of the second compacting die, the aperture of the second compacting die is larger than that of the first compacting die, the aperture of the second compacting die is smaller than or equal to 30mm, a special-purpose compacting die sleeve is used for moving the second compacting die to the second head of the wire cutting point, a proper filling single wire is selected later, the length of the single wire is longer than the distance between the first head of the wire cutting point and the second head of the wire cutting point, the single wire is evenly welded to the second head of the wire cutting point, and the second single wire is evenly matched with the triangular welding rod at the joint, and the triangular joint is in a triangular shape;
then, orderly filling the filling single wires in gaps of the stranded conductor according to the stranded opposite direction of the stranded conductor, wherein the other end of the filling single wires exceeds the first end of the wire breaking point;
then a special compacting die sleeve is used for moving the second compacting die to the first end of the wire breaking point, and the process compacts the stranded conductor;
twisting and cutting the redundant filling single wire by using a wire cutting pliers, aligning the other end of the filling single wire with the first end of the wire cutting point to form a convex triangular shape, uniformly welding a welding rod at the upper corner of the convex triangular shape by using an electric welding machine, wherein the welding rod is a first connection point, and the welding point is within 30mm from a first compacting die;
resetting the first compacting die and the second compacting die, installing a fixed baffle plate on the right side of the second compacting die, slowly starting the equipment after checking, observing a first connection point, and increasing the equipment speed to a normal production speed after the equipment smoothly passes through the second compacting die, so that the connection process is finished.
2. A splicing process for twisting conductors of an insulated overhead cable according to claim 1, wherein: the diameter of the filling single wire is 0.1mm smaller than that of the stranded single wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810017904.3A CN108063018B (en) | 2018-01-09 | 2018-01-09 | Splicing device and splicing process for twisting conductors of overhead insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810017904.3A CN108063018B (en) | 2018-01-09 | 2018-01-09 | Splicing device and splicing process for twisting conductors of overhead insulated cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108063018A CN108063018A (en) | 2018-05-22 |
| CN108063018B true CN108063018B (en) | 2023-12-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810017904.3A Active CN108063018B (en) | 2018-01-09 | 2018-01-09 | Splicing device and splicing process for twisting conductors of overhead insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108063018B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976601A (en) * | 2010-10-27 | 2011-02-16 | 江西南缆集团有限公司 | Round compressing process of stranded aluminum conductor |
| CN102800437A (en) * | 2012-08-28 | 2012-11-28 | 四川明星电缆股份有限公司 | Aluminum or aluminum alloy conductor twisting and compressing process for cables |
| CN203521047U (en) * | 2013-09-13 | 2014-04-02 | 浙江万马电缆股份有限公司 | Broken wire restoring tool for round compacted conductor |
| CN207765217U (en) * | 2018-01-09 | 2018-08-24 | 济南瑞通铁路电务有限责任公司 | A kind of connection device for aerial insulated cable conductor strand |
-
2018
- 2018-01-09 CN CN201810017904.3A patent/CN108063018B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976601A (en) * | 2010-10-27 | 2011-02-16 | 江西南缆集团有限公司 | Round compressing process of stranded aluminum conductor |
| CN102800437A (en) * | 2012-08-28 | 2012-11-28 | 四川明星电缆股份有限公司 | Aluminum or aluminum alloy conductor twisting and compressing process for cables |
| CN203521047U (en) * | 2013-09-13 | 2014-04-02 | 浙江万马电缆股份有限公司 | Broken wire restoring tool for round compacted conductor |
| CN207765217U (en) * | 2018-01-09 | 2018-08-24 | 济南瑞通铁路电务有限责任公司 | A kind of connection device for aerial insulated cable conductor strand |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108063018A (en) | 2018-05-22 |
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