CN113314916A - Welding process for cable head - Google Patents
Welding process for cable head Download PDFInfo
- Publication number
- CN113314916A CN113314916A CN202110665789.2A CN202110665789A CN113314916A CN 113314916 A CN113314916 A CN 113314916A CN 202110665789 A CN202110665789 A CN 202110665789A CN 113314916 A CN113314916 A CN 113314916A
- Authority
- CN
- China
- Prior art keywords
- cable
- adhesive tape
- heating
- winding
- cable head
- 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
- 238000003466 welding Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000002390 adhesive tape Substances 0.000 claims abstract description 55
- 238000010438 heat treatment Methods 0.000 claims abstract description 52
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000002844 melting Methods 0.000 claims abstract description 31
- 230000008018 melting Effects 0.000 claims abstract description 31
- 238000004804 winding Methods 0.000 claims abstract description 30
- 230000004927 fusion Effects 0.000 claims abstract description 29
- 238000009413 insulation Methods 0.000 claims abstract description 16
- 239000004065 semiconductor Substances 0.000 claims abstract description 13
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000007499 fusion processing Methods 0.000 claims abstract description 11
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 238000005498 polishing Methods 0.000 claims abstract description 8
- 229910052802 copper Inorganic materials 0.000 claims description 20
- 239000010949 copper Substances 0.000 claims description 20
- 239000000843 powder Substances 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 239000004020 conductor Substances 0.000 description 5
- 239000011241 protective layer Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/12—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Cable Accessories (AREA)
Abstract
The application discloses among the cable fusion technique field a fusion process for cable head, including following step: step one, welding: peeling an incoming cable wire to be processed to expose a wire core, cutting off a part of the cable to be replaced, inserting two cut cable heads into a melting device, and melting copper powder to connect the two cable heads together; step two, polishing; step three, main insulation winding: sequentially winding an inner semiconductor adhesive tape, an insulating adhesive tape, a cold-shrink sleeve, tinfoil paper, a fixing adhesive tape and a heating tape on the polished wire core, and winding a high-frequency heating pipe on two ends of the wire core; step four, heating the main insulation to connect the inner semi-conductive adhesive tape and the insulating adhesive tape with the inner semi-conductive adhesive tape and the insulating adhesive tape of the original cable head; and step five, recovering the outer semiconductor layer and the outer sheath. By heating the main insulation, the middle insulation of the cable head is fused with the insulation air-gap-free interfaces of the cable heads at two ends, and the joint characteristic consistent with that of the original cable is formed structurally.
Description
Technical Field
The invention relates to the technical field of cable welding, in particular to a welding process for a cable head.
Background
The cable is limited by production equipment, related technologies, transportation conditions and the like, the use of the cable intermediate joint in the existing urban distribution network and long-distance cable is indispensable, the cable intermediate joint is used as an important connection point of the whole power supply network, and the operation stability of the cable intermediate joint directly influences the operation quality of a supply system. The conventional cross-linked polyethylene insulated power cable is usually connected and extended by connecting the metal wire cores of two power cables by crimping or screwing the intermediate connecting pipe. However, the structure connection is not firm, the fracture is easy, the special shape is formed, the deformation is easy, the air gap is large, the physical and mechanical properties are small, the radial electric field loss is large, the heating value is large and the like, the cross section between the connected cables cannot become a concentric circle, the sharp corner at the connection part discharges, and the current-carrying capacity of the power cable is seriously influenced; in addition, air gaps exist in the cable connection part, partial discharge is generated, the cable is spread, expanded and deteriorated, insulation breakdown, moisture absorption or water inflow phenomena are easily caused, under the respiration effect and the electrophoresis effect, moisture or humidity permeates into the middle joint, the interface resistance is rapidly reduced, creeping discharge is generated, the insulation strength is reduced or aged, the cable is carbonized in a tree-shaped discharge manner, and the creeping breakdown and other accident phenomena are triggered.
In view of the above problems, a welding technique is currently used to weld a cable intermediate connector, such as a welding process of a power cable intermediate connector disclosed in CN112490958A, which includes: the method comprises the steps of obtaining the cross section area of a cable conductor of a power cable intermediate joint, and determining the cutting slope area of the cable conductor according to the cross section area; inputting the area of the cutting slope into a process determination model to obtain the amount of pure copper solution and welding length information corresponding to the power cable intermediate joint, wherein the process determination model is obtained by training a sample text marked with the amount of pure copper solution and the area of the cutting slope, a sample tensile strength corresponding to the sample text and welding electric field distribution; controlling a wire stripping device of the welding equipment to strip the middle joint of the power cable according to the welding length information, and controlling the wire stripping device to cut the cable conductor according to the area of a cutting inclined plane; and controlling a pure copper solution storage device of the welding equipment to weld the cable conductor according to the pure copper solution amount. The stability and the conductivity of the power cable intermediate joint can be improved. And then determining protective layer information of the power cable intermediate joint, and adding a protective layer to the welded power cable intermediate joint according to the protective layer information, wherein the protective layer information comprises inner semi-conductive shielding information, insulating layer information and outer semi-conductive layer information.
However, the above-mentioned process adopts pure copper solution, the usage amount of the pure copper solution needs to be calculated in advance, the copper needs to be melted in advance, the high-temperature pure copper solution needs to be transferred to the welding equipment, and a protective layer needs to be added after the welding is completed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a brand-new cable head welding process to solve the technical problems.
One of the objects of the present invention is to provide a fusion process for a cable head, comprising the steps of:
step one, welding: peeling an incoming cable wire to be processed to expose a wire core, cutting off a part of the cable to be replaced, inserting two cut cable heads into a welding device, melting copper powder on the welding device, flowing onto the two cable heads, solidifying, connecting the two cable heads together, disassembling the welding device, and taking out the cable;
step two, polishing: polishing the wire cores at the joint of the cable to ensure that the diameters of the wire cores are kept consistent;
step three, main insulation winding: winding an inner semiconductor adhesive tape on the polished wire core, winding an insulating adhesive tape, penetrating a cold-shrink sleeve, winding a tin foil paper, winding a fixing adhesive tape, winding a heating tape, and finally winding a high-frequency heating pipe on two ends of the wire core;
step four, main insulation heating: starting a heating wire in a heating belt to heat to 180-190 ℃; starting the high-frequency heater, and heating for a period of time at a certain frequency to connect the inner semi-conductive adhesive tape and the insulating adhesive tape in the heating belt with the inner semi-conductive adhesive tape and the insulating adhesive tape of the original cable head;
step five, restoring the outer semiconductor layer and the outer sheath: and sequentially taking down the high-frequency heating pipe, the heating belt, the fixing adhesive tape, the tinfoil paper and the cold-shrink sleeve, winding the outer semiconductor adhesive tape and the shielding layer on the insulating adhesive tape, sequentially sleeving the inner sheath, the steel armor and the outer sheath to obtain a cable intermediate joint, and finishing the welding process.
The working principle and the beneficial effects of the invention are as follows: firstly, removing an inner sheath, a steel armor, an outer sheath, an outer semiconductor adhesive tape, a shielding layer, an insulating adhesive tape and an inner semi-conductive adhesive tape at a cable welding part except a cable core, cutting off a damaged cable to form two cable heads, sleeving a cold-shrink sleeve on one cable head in advance, aligning the two cable heads by using a welding device, igniting heating powder to melt copper powder to connect the two cable heads together, polishing redundant cable cores to ensure that the diameters of the connected cable core and the cable core are consistent, then sequentially winding the inner semi-conductive adhesive tape and the insulating adhesive tape on the polished cable core, sleeving the cold-shrink sleeve on the insulating adhesive tape, and compressing the insulating adhesive tape and the semi-conductive adhesive tape; after the cold-shrinkage sleeve is sleeved, the tinfoil paper is wound, and then a fixing adhesive tape is wound on the tinfoil paper to prevent the inner part from expanding and overflowing; finally, winding a heating belt outside the fixed adhesive tape, wherein an electric heating wire is arranged in the heating belt, starting the electric heating wire, heating to 180-190 ℃, winding a high-frequency heating pipe at two ends of the wire core, starting a high-frequency heater, heating for a period of time at a certain frequency, melting the inner semi-conductive adhesive tape and the insulating adhesive tape inside by heating, and then cooling and solidifying to form a whole with the inner semi-conductive adhesive tape and the insulating adhesive tape of the original cable; and then the external cold-shrink sleeve, the tin foil paper, the fixing adhesive tape and the heating tape are removed, and then the external semiconductor adhesive tape, the shielding layer, the inner sheath, the steel armor and the outer sheath are sequentially sleeved on the outer cold-shrink sleeve, the tin foil paper, the fixing adhesive tape and the heating tape, so that the welding process of the cable head is completed.
Wherein the shrinkage sleeve pipe mainly is fixed insulating tape, and the tin foil paper can prevent melting, and fixed adhesive tape can prevent expanding, and the heating powder main component is powder, and through the improvement of above technology, the time of step four main insulation heating can shorten to about 20min, very big time of having shortened the butt fusion technology, and easy operation is convenient, need not match too many utensils and consume more energy consumptions.
The invention is a new technology, can resume the cable to the original appearance through the above-mentioned multiple steps, the technology has many advantages compared with the ordinary cable intermediate joint preparation method, it is through heating to the main insulation, make the intermediate insulation of cable head and insulating air-gap-free interface fusion of cable head of both ends combine, form the whole and have obvious joint characteristic identical with cable structurally, its insulating strength is identical with original cable, its insulating level, current-carrying capacity, performance such as the mechanical characteristic, sealed effect, etc. meet and cooperate with the cable requirement completely, and can guarantee the safe operation under the adverse circumstances for a long time.
The ratio of the breaking force of the copper core welding position to the body of the cable intermediate joint manufactured by the technology is 92.5%, the tensile strength of conductor welding reaches more than 85% of the strength of the body, and the line fault frequency caused by the cable intermediate joint can be greatly reduced. This cable intermediate head's structural connection is firm, the junction conductivity is high, and radial electric field loss is little, and the electric energy loss is little, and the current-carrying capacity is high, the copper core butt fusion, the cable can be crooked, need not anxious to drag the cable and cause the influence, has the simple swift advantage of connection construction moreover, resumes cable body structure completely, and the equal footpath is similar with the cable body, reaches the production level of mill.
Further, the butt fusion device includes a high temperature resistance frame, and the frame is equipped with a power cable head male detachable butt fusion chamber, and the both ends in butt fusion chamber are equipped with the fixed subassembly of fixed cable head position, the upper portion of frame is equipped with the melting tank, the melting tank is equipped with the intercommunicating pore with the butt fusion chamber, be equipped with the copper separation blade that shelters from the intercommunicating pore in the melting tank.
Further, when using the butt fusion device, insert the butt fusion chamber from butt fusion chamber both ends respectively with two cable heads earlier and remain certain interval, with the fixed position of fixed subassembly with the cable head, later with adding the copper powder that adds the heating powder and put in the melting tank, light the heating powder, the copper powder burns rapidly and melts into liquid, high temperature makes the copper separation blade also melt, the intercommunicating pore exposes, the copper liquid flows into the butt fusion intracavity.
Further, the melting groove is tapered, and a tip of the taper faces the communication hole. The flowing of the copper liquid is convenient.
Further, the frame comprises two units, the cavity of butt fusion chamber is established respectively on two units, and two units pass through bolt fixed connection.
Further, the two units are an upper machine base and a lower machine base respectively, and the melting tank is arranged on the upper machine base.
Further, the two units are respectively a left stand and a right stand, and the melting tank is arranged on the left stand or the right stand.
Through dividing into two units with the frame, and then realize dividing into the purpose of two parts with the butt fusion chamber, conveniently take out the cable after the butt fusion, carry out the operation of next step.
Further, the frequency of the high-frequency heater is 420-430 HZ, and the heating time is 10-15 min.
Drawings
FIG. 1 is a schematic view of one configuration of a fusion apparatus;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a right side schematic view of another configuration of a fusion apparatus.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a fixed component 1, an upper machine base 2, a melting groove 3, a copper baffle 4, a communicating hole 5, a welding cavity 6, a bolt 7, a lower machine base 8, a left machine base 9 and a right machine base 10.
The invention uses a welding device, one structure of which is shown in figures 1-2, the welding device comprises a high-temperature-resistant base, the base is provided with a detachable welding cavity 6 for inserting a cable head, the base consists of an upper base 2 and a lower base 8, the welding cavity 6 is respectively arranged on the upper base 2 and the lower base 8, two ends of the welding cavity 6 are provided with fixing components 1 for fixing the cable head, the fixing components 1 are also detachably connected, the upper base 2, the lower base 8 and the fixing components 1 are connected through bolts 7, a melting groove 3 is arranged in the upper base 2, the melting groove 3 and the welding cavity 6 are provided with communicating holes 5, a copper baffle 4 for shielding the communicating holes 5 is arranged in the melting groove 3, the melting groove 3 is conical, and the conical tip is connected downwards.
Another structure of welding device is as shown in fig. 3, the welding device includes a high temperature resistant frame, the frame is equipped with a butt fusion chamber 6 that supplies cable head male detachable, the frame comprises left frame 9 and right frame 10, butt fusion chamber 6 is divided and is established on left frame 9 and right frame 10, butt fusion chamber 6's both ends are equipped with the fixed subassembly 1 of fixed cable head position, fixed subassembly 1 also can dismantle the connection, left frame 9 and right frame 10 and fixed subassembly 1's connection all realizes through bolt 7, melting tank 3 sets up in left frame 9, melting tank 3 is equipped with intercommunicating pore 5 with butt fusion chamber 6, be equipped with the copper separation blade 4 that shelters from intercommunicating pore 5 in the melting tank 3, melting tank 3 is the toper, conical most advanced is connected down.
A fusion process for a cable head, comprising: the method comprises the following steps:
step one, welding: peeling an incoming cable wire to be processed to expose a wire core, cutting off a part of the cable to be replaced, sleeving a cold-shrink sleeve on one cable head in advance, inserting the two cut cable heads into a welding device shown in figure 1 and figure 2, respectively inserting the two cable heads into a welding cavity 6 from two ends of the welding cavity 6 at a certain interval, fixing the positions of the cable heads by using a fixing assembly 1, screwing a bolt 7, putting copper powder added with heating powder into a melting tank 3, igniting the heating powder, quickly burning the copper powder to melt the copper powder into liquid, melting a copper baffle 4 at high temperature to expose a communicating hole 5, allowing the copper liquid to flow into the welding cavity 6 and flow onto the two cable heads, continuing the two cable heads together after solidification, unscrewing the bolt 7, separating a left machine base 9 from a right machine base 10, and taking out the cable;
step two, polishing: polishing the wire cores at the joint of the cable to ensure that the diameters of the wire cores are kept consistent;
step three, main insulation winding: winding an inner semiconductor adhesive tape on the polished wire core, winding an insulating adhesive tape, then penetrating a cold-shrink sleeve, winding a tin foil paper, winding a fixing adhesive tape, winding a heating tape and winding a high-frequency heating pipe on two ends of the wire core;
step four, main insulation heating: starting a heating wire of a heating belt to heat to 180-190 ℃; starting a high-frequency heater, wherein the frequency of the high-frequency heater is 420-430 HZ, and the heating time is 10-15 min, so that the inner semi-conductive adhesive tape and the insulating adhesive tape in the heating belt are connected with the inner semi-conductive adhesive tape and the insulating adhesive tape of the original cable head;
step five, restoring the outer semiconductor layer and the outer sheath: and sequentially taking down the high-frequency heating pipe, the heating belt, the fixing adhesive tape, the tinfoil paper and the cold-shrink sleeve, winding the outer semiconductor adhesive tape and the shielding layer on the insulating adhesive tape, and sequentially sleeving the inner sheath, the steel armor and the outer sheath to complete the welding process.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (8)
1. A fusion process for a cable head, comprising: the method comprises the following steps:
step one, welding: peeling an incoming cable wire to be processed to expose a wire core, cutting off a part of the cable to be replaced, inserting two cut cable heads into a welding device, melting copper powder on the welding device, flowing onto the two cable heads, solidifying, connecting the two cable heads together, disassembling the welding device, and taking out the cable;
step two, polishing: polishing the wire cores at the joint of the cable to ensure that the diameters of the wire cores are kept consistent;
step three, main insulation winding: winding an inner semiconductor adhesive tape on the polished wire core, winding an insulating adhesive tape, penetrating a cold-shrink sleeve, winding a tin foil paper, winding a fixing adhesive tape, winding a heating tape, and finally winding a high-frequency heating pipe on two ends of the wire core;
step four, main insulation heating: starting a heating wire in a heating belt to heat to 180-190 ℃; starting the high-frequency heater, and heating for a period of time at a certain frequency to connect the inner semi-conductive adhesive tape and the insulating adhesive tape in the heating belt with the inner semi-conductive adhesive tape and the insulating adhesive tape of the original cable head;
step five, restoring the outer semiconductor layer and the outer sheath: and sequentially taking down the high-frequency heating pipe, the heating belt, the fixing adhesive tape, the tinfoil paper and the cold-shrink sleeve, winding the outer semiconductor adhesive tape and the shielding layer on the insulating adhesive tape, sequentially sleeving the inner sheath, the steel armor and the outer sheath to obtain a cable intermediate joint, and finishing the welding process.
2. A fusion process for a cable head according to claim 1, wherein: the butt fusion device includes a high temperature resistance frame, and the frame is equipped with a power cable head male detachable butt fusion chamber, and the both ends in butt fusion chamber are equipped with the fixed subassembly of fixed cable head position, the upper portion of frame is equipped with the melting tank, the melting tank is equipped with the intercommunicating pore with the butt fusion chamber, be equipped with the copper separation blade that shelters from the intercommunicating pore in the melting tank.
3. A fusion process for a cable head according to claim 2, wherein: when using the butt fusion device, insert the butt fusion chamber from butt fusion chamber both ends respectively with two cable heads and remain certain interval earlier, with the fixed position of fixed subassembly with the cable head, later will add the copper powder that adds the heating powder and put in the melting tank, ignite the heating powder, the copper powder burns rapidly and melts into liquid, and high temperature makes the copper separation blade also melt, and the intercommunicating pore exposes, and the copper liquid flows into the butt fusion intracavity.
4. A fusion process for a cable head according to claim 3, wherein: the melting groove is tapered, and the tip of the taper faces the communication hole.
5. A fusion process for a cable head according to claim 4, wherein: the engine base is composed of two units, the cavity of the welding cavity is arranged on the two units respectively, and the two units are fixedly connected through bolts.
6. A fusion process for a cable head according to claim 5, wherein: the two units are respectively an upper machine base and a lower machine base, and the melting tank is arranged on the upper machine base.
7. A fusion process for a cable head according to claim 5, wherein: the two units are respectively a left stand and a right stand, and the melting tank is arranged on the left stand or the right stand.
8. A fusion process for a cable head according to claim 6 or 7, wherein: the frequency of the high-frequency heater is 420-430 HZ, and the heating time is 10-15 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110665789.2A CN113314916A (en) | 2021-06-16 | 2021-06-16 | Welding process for cable head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110665789.2A CN113314916A (en) | 2021-06-16 | 2021-06-16 | Welding process for cable head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113314916A true CN113314916A (en) | 2021-08-27 |
Family
ID=77379094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110665789.2A Pending CN113314916A (en) | 2021-06-16 | 2021-06-16 | Welding process for cable head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113314916A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117691434A (en) * | 2024-02-02 | 2024-03-12 | 河南瑞和电力工程有限公司 | Welding device and method for crosslinked polyethylene insulated power cable |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071949A (en) * | 2013-02-26 | 2013-05-01 | 武汉大学 | Self-propagating welding powder |
| CN103071919A (en) * | 2012-12-27 | 2013-05-01 | 新昌县人通电力技术有限公司 | Metal fusion welding method |
| CN210308674U (en) * | 2019-07-23 | 2020-04-14 | 广东亚欧电气科技有限公司 | Mold for manufacturing cross-linked polyethylene insulated power cable injection welding joint |
| CN210926353U (en) * | 2019-11-11 | 2020-07-03 | 沈阳国联电缆附件制造有限公司 | Welding formula cable intermediate head and be used for welding its welding mould |
| CN211790708U (en) * | 2020-04-10 | 2020-10-27 | 深圳市银星联盟电力科技有限公司 | Power cable intermediate head butt fusion waterproof construction |
| CN112886493A (en) * | 2021-01-26 | 2021-06-01 | 深圳市银星联盟电力科技有限公司 | Power cable intermediate joint welding manufacturing process and product |
-
2021
- 2021-06-16 CN CN202110665789.2A patent/CN113314916A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071919A (en) * | 2012-12-27 | 2013-05-01 | 新昌县人通电力技术有限公司 | Metal fusion welding method |
| CN103071949A (en) * | 2013-02-26 | 2013-05-01 | 武汉大学 | Self-propagating welding powder |
| CN210308674U (en) * | 2019-07-23 | 2020-04-14 | 广东亚欧电气科技有限公司 | Mold for manufacturing cross-linked polyethylene insulated power cable injection welding joint |
| CN210926353U (en) * | 2019-11-11 | 2020-07-03 | 沈阳国联电缆附件制造有限公司 | Welding formula cable intermediate head and be used for welding its welding mould |
| CN211790708U (en) * | 2020-04-10 | 2020-10-27 | 深圳市银星联盟电力科技有限公司 | Power cable intermediate head butt fusion waterproof construction |
| CN112886493A (en) * | 2021-01-26 | 2021-06-01 | 深圳市银星联盟电力科技有限公司 | Power cable intermediate joint welding manufacturing process and product |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117691434A (en) * | 2024-02-02 | 2024-03-12 | 河南瑞和电力工程有限公司 | Welding device and method for crosslinked polyethylene insulated power cable |
| CN117691434B (en) * | 2024-02-02 | 2024-04-09 | 河南瑞和电力工程有限公司 | Welding device and method for crosslinked polyethylene insulated power cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113314916A (en) | Welding process for cable head | |
| CN113937589B (en) | Cable connection construction process | |
| CN109742640A (en) | A kind of connection method of cable and connecting terminal | |
| CN103326142A (en) | Low-melting-point metal cable continuation device | |
| CN208767589U (en) | A kind of device of cable intermediate melt connector | |
| CN111740356A (en) | Cable repairing sleeve and repairing method thereof | |
| CN112886327A (en) | Oxidation-resistant cable and preparation method thereof | |
| CN105207134A (en) | High-voltage cable joint manufacturing method by means of semiconductor coating | |
| CN206908084U (en) | Insulating barrier cutting mechanism | |
| CN203300828U (en) | Low-melting point metal cable connection device | |
| CN209217399U (en) | A kind of mold making aluminium alloy conductor connector | |
| CN106711653B (en) | Laser welding type 2M connector and manufacturing method thereof | |
| CN107706834A (en) | Peel off the knife head device of waste electric wire crust | |
| CN209375031U (en) | A kind of hot melten type cable intermediate connection structure | |
| CN103354172A (en) | Transformer foil type coil winding method | |
| CN210378550U (en) | Light composite copper rod with core | |
| CN109510051A (en) | A kind of mold making aluminium alloy conductor connector and method | |
| CN204289984U (en) | A kind of durable type Water cooling cable | |
| CN212626365U (en) | Quick replaceable protective tube plug | |
| CN215870542U (en) | Welding device for cable head | |
| CN205177760U (en) | Interchangeable core formula fuse | |
| CN112033240B (en) | Electric ignition head framework | |
| CN210325296U (en) | Electric wire with short-circuit protection function | |
| CN2266182Y (en) | Water-cooled electric cable | |
| CN205303723U (en) | Take cable subassembly of insulation protection and sign |
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: 20210827 |
|
| RJ01 | Rejection of invention patent application after publication |