CN114700751A - Conductor reducing butt welding process - Google Patents
Conductor reducing butt welding process Download PDFInfo
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- CN114700751A CN114700751A CN202210310830.9A CN202210310830A CN114700751A CN 114700751 A CN114700751 A CN 114700751A CN 202210310830 A CN202210310830 A CN 202210310830A CN 114700751 A CN114700751 A CN 114700751A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- 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
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Abstract
The invention discloses a variable-diameter butt welding process for conductors, which comprises the following steps of: conductor pretreatment is carried out, so that large conductors of land cables and small conductors of sea cables are exposed; the conductor is turned over to enable the large conductor to be divided into a central layer and an outer peripheral layer, and then the outer peripheral layer of the large conductor is turned over to form a first outer peripheral layer and a second outer peripheral layer; conducting cutting treatment on the conductors, so that a V-shaped opening is formed after the end part of the central layer of the large conductor is aligned with the end part of the small conductor; conductor welding, first welding: carrying out first welding at the V-shaped opening, and carrying out second welding: turning down the second outer peripheral layer of the large conductor, and then welding for the second time and the third time at the port of the second outer peripheral layer: and turning down the first outer peripheral layer of the large conductor, and then welding the port of the first outer peripheral layer for the third time. The invention provides a variable-diameter butt welding process for conductors, which is characterized in that a large conductor and a small conductor are stably connected, and the subsequent process treatment at a joint is facilitated.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a reducing butt welding process for conductors.
Background
The cable is a bridge between the power supply equipment and the electric equipment, plays a role in power transmission and is widely applied. Modern life and production cannot be isolated from electric power, and therefore, cables cannot be isolated. With the widespread use of cables, the number of required cable accessories is increased, the quality is also increased, and the butt joint of various types of cables is also irregular.
The cable may be damaged inefficiently in the use process, and the two ends of the sea-land cable need to be butted again to be recovered to be normally used due to the conditions of new project tasks and the like, and the conductor cores of the cable are communicated through connection to form a continuous cable. The joint for cable connection must have certain insulating and sealing performance, accords with the electrical insulation regulation, and is rational in infrastructure, meets requirements such as environment. Therefore, the construction and the quality of the joint are directly related to the stable and reliable performance of the operation of the cable line.
In the prior art, only conductor cables with the same specification and square are butted, but because the use environments of a submarine cable and a land cable are different, generally speaking, the submarine cable is laid on the seabed and can be cooled by seawater, under the condition of bearing the same voltage, the diameter of the conductor of the submarine cable is smaller than that of the land cable, if the conductor of the submarine cable and the conductor of the land cable are directly welded, the connection is not stable, and the conductor joint cannot be operated and has a lot of limitations when subsequent recovery processes such as shielding layers and insulating layers are carried out, so that the laid cable models cannot be flexibly changed, only one cable can be used to the end, and if one cable needs to be changed, the cable can only be laid from the beginning, so that the cost is high, the loss is large, and resources are wasted.
Disclosure of Invention
Aiming at the defects of the prior art, the conductor reducing butt welding process is provided, the structure is simple, the cost is low, the quality is high, the manufacture is convenient, the connection between the large conductor and the small conductor is stable, and the subsequent process treatment at the joint is convenient.
In order to achieve the above object, the present invention provides the following technical solutions.
A variable diameter butt welding process for conductors comprises the following steps:
conductor pretreatment, namely stripping the land cable and the submarine cable respectively so as to expose a large conductor of the land cable and a small conductor of the submarine cable;
the conductor turning layer is used for turning the large conductor to enable the large conductor to be divided into a central layer and an outer peripheral layer, the diameter of the central layer of the large conductor is matched with that of the small conductor, and then the outer peripheral layer of the large conductor is turned to form a first outer peripheral layer and a second outer peripheral layer;
conducting cutting processing, namely respectively bevelling the end part of the central layer of the large conductor and the end part of the small conductor, so that a V-shaped opening is formed after the end part of the central layer of the large conductor and the end part of the small conductor are aligned;
conductor welding, first welding: after aligning the central layer of the large conductor and the small conductor, performing first welding at the V-shaped opening, filling the V-shaped opening through welding flux, and performing second welding: turning down the second peripheral layer of the large conductor, attaching the second peripheral layer of the large conductor to the surface of the central layer of the large conductor and the surface of the small conductor, enabling the port of the second peripheral layer of the large conductor to be located at the rear end of the V-shaped port, welding the port of the second peripheral layer for the second time to form a first transition section, and welding for the third time: and turning down the first outer peripheral layer of the large conductor to be tightly attached to the second outer peripheral layer of the large conductor, so that the port of the first outer peripheral layer of the large conductor is positioned at the front end of the V-shaped port, and then performing third welding on the port of the first outer peripheral layer to form a second transition section.
The invention has the beneficial effects that: the welding process of the invention comprises the steps of dividing a large conductor into a center layer, a first outer peripheral layer and a second outer peripheral layer, enabling the diameter of the center layer of the large conductor to be matched with the diameter of a small conductor, carrying out beveling treatment on the center layer of the large conductor and the small conductor, aligning the center layer of the large conductor and the small conductor, carrying out first welding at a V-shaped opening, filling the V-shaped opening with solder to ensure that the size of the center of the large conductor is the same as that of the small conductor at the welding position, carrying out second welding after turning down the second outer peripheral layer of the large conductor, carrying out third welding after turning down the first outer peripheral layer of the large conductor, respectively welding the first outer peripheral layer and the second outer peripheral layer to enable stable transition between the large conductor and the small conductor, and further meet the subsequent recovery of a shielding layer, an insulating layer and the like at the joint of the large conductor and the small conductor, and simple structure, low cost, high quality and convenient manufacture.
As an improvement of the invention, in the conductor turning, all the small conductors of the submarine cable need to be turned, and the meshed water-blocking tape in the conductor is removed every turning, and after the conductor turning is finished, the small conductors of the submarine cable are recovered layer by layer uniformly according to the original state.
As an improvement of the invention, when the netted water-blocking tape on the small conductor of the submarine cable is removed, the netted water-blocking tape is firstly treated by an art designer knife, and then the conductor is burnt by a liquefied blast burner until the conductor is cleaned up.
As an improvement of the invention, when the conductor is welded, the welding rods used in the first welding, the second welding and the third welding are silver welding rods, and the content of silver in the welding rods accounts for 15 percent.
As an improvement of the invention, after the first welding, the welding point is polished smooth, so that the outer diameter of the welding position is equal to the original outer diameter of the small conductor of the submarine cable.
As an improvement of the invention, during the second welding, the port of the second outer peripheral layer is welded into a slope shape, the transition is gentle without concave-convex, and then the edge is polished to be smooth, round and free from burrs.
As an improvement of the invention, during the third welding, the port of the first outer peripheral layer is welded into a slope shape, the transition is gentle without concave-convex, and then the port is polished to be smooth, round and free from burrs.
As an improvement of the invention, before the end part of the central layer of the large conductor is beveled, the central layer of the large conductor is cut off by 0.5-2 cm.
As an improvement of the invention, after the conductor pretreatment is completed, the large conductor and the small conductor are respectively provided with a cooling assembly to carry out cooling treatment on the large conductor and the small conductor.
As an improvement of the present invention, the cooling assembly structure includes an upper cooling member and a lower cooling member, a through hole passing through a corresponding large conductor or small conductor is formed between the upper cooling member and the lower cooling member, the upper cooling member is provided with an upper water inlet, an upper water outlet, and an upper cooling channel communicating the upper water inlet and the upper water outlet, and the lower cooling member is provided with a lower water inlet, a lower water outlet, and a lower cooling channel communicating the lower water inlet and the lower water outlet.
Drawings
Fig. 1 is a schematic view of the cable conductor of the present invention before soldering.
Fig. 2 is a schematic view of another angle of the cable conductor of the present invention prior to soldering.
FIG. 3 is a schematic view of the cable conductor of the present invention after soldering is completed
FIG. 4 is a schematic view of the cooling assembly of the present invention
In the figure, 1, a land cable; 1.1, a large conductor; 1.11, a center layer; 1.12, a first peripheral layer; 1.13, a second peripheral layer; 1.2, a V-shaped opening; 1.3, a first transition section; 1.4, a second transition section; 2. a sea cable; 2.1, a small conductor; 3. a cooling assembly; 3.1, through holes; 3.2, an upper water inlet; 3.3, an upper water outlet; 3.4, an upper cooling channel; 3.5, a lower water inlet; 3.6, a lower water outlet; 3.7, a lower cold water channel.
Detailed Description
The invention is further explained with reference to the drawings.
Referring to fig. 1 to 4, a variable diameter butt welding process for conductors includes the following steps:
a. conductor preliminary treatment, place land cable 1 and submarine cable 2 and accomplish the back, do the size mark with white paint pen, strip the cable insulation and the conductor shielding of land cable 1, the cable insulation and the conductor shielding of submarine cable 2 respectively with the wire stripping sword to make the big conductor 1.1 of land cable 1 and the little conductor 2.1 realization of submarine cable 2 expose, and make the proportion between the exposed conductor length of submarine cable 2 and the exposed conductor length of land cable 1 be 2: 3, in the case of the present embodiment, the cross-sectional area of the large conductor 1.1 of the land cable 1 is 5002mm, the cross-sectional area of the small conductor 2.1 of the submarine cable 2 is 2402mm；
b. The installation cooling component 3, the cooling component 3 has two groups, corresponding to the submarine cable 2 and the land cable 1, the structure of each group of cooling component 3 includes an upper cooling part and a lower cooling part, the upper cooling part and the lower cooling part are fixedly connected through screws, an upper arc hole is formed on the upper cooling part, a lower arc hole is formed on the lower cooling part, when the upper cooling part and the lower cooling part are connected, the upper arc hole and the lower arc hole are matched to form a through hole 3.1, wherein the size of the through hole 3.1 of one group of cooling components 3 is matched with the size of the large conductor 1.1, the size of the through hole 3.1 of the other group of cooling components 3 is matched with the size of the small conductor 2.1, the upper cooling part is provided with an upper water inlet 3.2, an upper water outlet 3.3 and an upper cooling channel 3.4 for communicating the upper water inlet 3.2 with the upper water outlet 3.3, the lower cooling part is provided with a lower water inlet 3.5, a lower water outlet 3.6 and a lower cooling channel for communicating the lower water inlet 3.5 with the lower water outlet 3.6; in one cooling component 3, the upper water inlet 3.2 is communicated with the upper water inlet 3.3 through a water inlet pipe, the upper water outlet 3.3 is communicated with the lower water inlet 3.5 through a connecting pipeline, the lower water outlet 3.6 is communicated with the upper water inlet 3.2 in the other cooling component 3 through a connecting pipeline, the upper water outlet 3.3 is communicated with the lower water inlet 3.5 through a connecting pipeline, and the lower water outlet 3.6 is communicated with a water outlet pipe, so that when the water inlet pipe enters water, the two groups of cooling components 3 can be cooled by water cooling, and by arranging the cooling components 3, the large conductor 1.1 and the small conductor 2.1 are cooled by water, so that the temperature of the large conductor 1.1 and the small conductor 2.1 during welding is reduced, and the large conductor 1.1 and the small conductor 2.1 are prevented from being oxidized;
c. the method comprises the steps that a conductor is turned over, all small conductors 2.1 of a submarine cable 2 are turned over, a netted water blocking tape in the conductor is removed when each layer is turned over, the small conductors are roughly treated by a craft knife, then a liquefied blast lamp is used for burning the conductors until the conductors are cleaned up, the submarine cable 2 is used in the sea bottom, the water blocking tape is arranged in the conductors to increase the waterproof effect, therefore, before the small conductors 2.1 of the submarine cable 2 are welded, the water blocking tape needs to be removed to improve the welding effect, after the layer turning over of the small conductors 2.1 is finished, the small conductors 2.1 of the submarine cable 2 are uniformly restored layer by layer, the small conductors are restored according to the original shape, when the small conductors are restored according to a circle of clockwise and circle of anticlockwise conductor intercept, the small conductors are tightly tied by copper wires, the hollow inside of the conductors is guaranteed, and the outside of the conductors does not bulge; the method comprises the steps that a large conductor 1.1 of a land cable 1 is subjected to layer turning processing, so that the large conductor 1.1 is divided into a central layer 1.11 and an outer peripheral layer, the diameter of the central layer 1.11 of the large conductor 1.1 is matched with that of a small conductor 2.1, and then the outer peripheral layer of the large conductor 1.1 is subjected to layer turning processing to form a first outer peripheral layer 1.12 and a second outer peripheral layer 1.13;
d. conducting cutting processing, namely respectively bevelling the end part of the central layer 1.11 of the large conductor 1.1 and the end part of the small conductor 2.1 to enable the end part of the central layer 1.11 of the large conductor 1.1 and the end part of the small conductor 2.1 to be aligned to form a V-shaped opening 1.2, then polishing the edge angle by using a file to enable transition to be smooth during welding, and firstly cutting off the central layer 1.11 of the large conductor 1.1 by a length of 0.5-2cm before bevelling the end part of the central layer 1.11 of the large conductor 1.1;
e. conductor welding, first welding: after the alignment with the centre layer 1.11 of big conductor 1.1 and little conductor 2.1, carry out welding for the first time in V word mouth 1.2 department to fill V word mouth 1.2 through the solder, polish the welding point smooth after the welding for the first time, make the external diameter of welding department and the former external diameter isodiametric of the little conductor 2.1 of submarine cable 2, weld for the second time: turning down the second peripheral layer 1.13 of the large conductor 1.1, attaching the second peripheral layer 1.13 of the large conductor 1.1 to the surface of the central layer 1.11 of the large conductor 1.1 and the surface of the small conductor 2.1, enabling the port of the second peripheral layer 1.13 of the large conductor 1.1 to be located at the rear end of the V-shaped port 1.2, welding the port of the second peripheral layer 1.13 for the second time to form a first transition section 1.3, welding the port of the second peripheral layer 1.13 into a slope shape during the second welding, enabling the transition to be smooth and smooth without concave-convex, polishing the second peripheral layer to be smooth and round without burrs, and welding for the third time: turning down a first outer peripheral layer 1.12 of the large conductor 1.1, tightly attaching the first outer peripheral layer 1.12 of the large conductor 1.1 to a second outer peripheral layer 1.13 of the large conductor 1.1, enabling a port of the first outer peripheral layer 1.12 of the large conductor 1.1 to be located at the front end of a V-shaped port 1.2, performing third welding on the port of the first outer peripheral layer 1.12 to form a second transition section 1.4, welding the port of the first outer peripheral layer 1.12 into a slope shape during third welding, enabling the transition to be gentle and free of unevenness, and polishing the port to be smooth, round and free of burrs; and when the conductor is welded, the welding rods used in the first welding, the second welding and the third welding are silver welding rods, and the content of silver in the welding rods accounts for 15 percent.
The welding process of the invention divides a large conductor 1.1 into a central layer 1.11, a first outer peripheral layer 1.12 and a second outer peripheral layer 1.13, enables the diameter of the central layer 1.11 of the large conductor 1.1 to be matched with the diameter of a small conductor 2.1, integrally cuts a part of the central layer 1.11 of the large conductor 1.1 to enable the first outer peripheral layer 1.12 and the second outer peripheral layer 1.13 to be positioned at the front end of the central layer 1.11 after being turned down, performs beveling treatment on the central layer 1.11 of the large conductor 1.1 and the small conductor 2.1, performs first welding at a V-shaped opening 1.2 after aligning the central layer 1.11 of the large conductor 1.1 and the small conductor 2.1, fills the V-shaped opening 1.2 through welding flux, ensures that the size of the central part of the large conductor 1.1 and the small conductor 2.1 at the welding position is the same, then performs second welding at the second outer peripheral layer 1.13 of the large conductor 1 and performs second welding at the second welding point after being turned down, weld into slope form, the transition is mild, carry out the third welding after the first periphery layer 1.12 of big conductor 1.1 turns over down, and make the welding point of welding of the third time be located the rear side of the welding point of welding of first welding, weld into slope form, the transition is mild, through welding first periphery layer 1.12 and second periphery layer 1.13 respectively, make through two slope transitional coupling between big conductor 1.1 and the little conductor 2.1, thereby make and to be able to steadily pass through between big conductor 1.1 and the little conductor 2.1, the effectual problem of the difference of conductor size between submarine cable 2 of solving of this kind of welding mode and the land cable 1, in order to satisfy the shielding layer to big conductor 1.1 and the little conductor 2.1 joint department of follow-up, the recovery of insulating layer etc., and simple structure, low cost, high quality, the preparation is convenient. And the welding rod used in welding is a silver welding rod, so that the conductivity is good, and the voltage resistance of the joint of the large conductor 1.1 and the small conductor 2.1 is good.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.
Claims (10)
1. A reducing butt welding process for conductors is characterized by comprising the following steps: the method comprises the following steps:
conductor pretreatment, namely stripping the land cable and the submarine cable respectively so as to expose a large conductor of the land cable and a small conductor of the submarine cable;
the conductor turning layer is used for turning the large conductor to enable the large conductor to be divided into a central layer and an outer peripheral layer, the diameter of the central layer of the large conductor is matched with that of the small conductor, and then the outer peripheral layer of the large conductor is turned to form a first outer peripheral layer and a second outer peripheral layer;
conducting conductor cutting treatment, namely respectively conducting beveling treatment on the end part of the central layer of the large conductor and the end part of the small conductor to enable the end part of the central layer of the large conductor and the end part of the small conductor to be aligned to form a V-shaped opening;
conductor welding, first welding: after aligning the central layer of the large conductor and the small conductor, performing first welding at the V-shaped opening, filling the V-shaped opening through welding flux, and performing second welding: turning down the second peripheral layer of the large conductor, attaching the second peripheral layer of the large conductor to the surface of the central layer of the large conductor and the surface of the small conductor, enabling the port of the second peripheral layer of the large conductor to be located at the front end of the V-shaped port, and then welding the port of the second peripheral layer for the second time, and welding for the third time: and turning down the first outer peripheral layer of the large conductor to be tightly attached to the second outer peripheral layer of the large conductor, so that the port of the first outer peripheral layer of the large conductor is positioned at the rear end of the V-shaped port, and then performing third welding on the port of the first outer peripheral layer.
2. The variable diameter butt welding process of the conductor according to claim 1, characterized in that: and when the conductors are turned, all the small conductors of the submarine cable need to be turned, the meshed water-blocking tape in the conductors is removed every time when the conductors are turned, and the small conductors of the submarine cable are uniformly restored layer by layer according to the original state after the conductors are turned.
3. The variable diameter butt welding process of the conductor according to claim 2, characterized in that: when the netted water-blocking tape on the small conductor of the submarine cable is removed, the netted water-blocking tape is firstly treated by an art designer knife, and then the conductor is burnt by a liquefied blast burner until the netted water-blocking tape is cleaned up.
4. The variable diameter butt welding process of the conductor according to claim 1, characterized in that: when the conductor is welded, the welding rods used in the first welding, the second welding and the third welding are silver welding rods, and the content of silver in the welding rods accounts for 15 percent.
5. The variable diameter butt welding process of the conductor according to claim 1, characterized in that: and polishing the welding point smoothly after the first welding so that the outer diameter of the welding part is equal to the original outer diameter of the small conductor of the submarine cable.
6. The variable diameter butt welding process of the conductor according to claim 1, characterized in that: and during the second welding, the port of the second outer peripheral layer is welded into a slope shape, the transition is smooth and has no concave-convex, and the polishing is carried out until the port is smooth, round and has no burr.
7. The variable diameter butt welding process of the conductor according to claim 1, characterized in that: and during the third welding, the port of the first outer peripheral layer is welded into a slope shape, the transition is smooth and has no concave-convex, and the port is polished to be smooth, round and free of burrs.
8. The variable diameter butt welding process of the conductor according to claim 1, characterized in that: before the end part of the central layer of the large conductor is beveled, the central layer of the large conductor is cut off by 0.5-2 cm.
9. The variable diameter butt welding process of the conductor according to claim 1, characterized in that: after the conductor pretreatment is completed, the large conductor and the small conductor are respectively provided with a cooling assembly so as to be cooled.
10. The variable diameter butt welding process of a conductor according to claim 9, wherein: the cooling assembly structure comprises an upper cooling part and a lower cooling part, a through hole which penetrates through a corresponding large conductor or a corresponding small conductor is formed between the upper cooling part and the lower cooling part, an upper water inlet, an upper water outlet and an upper cooling channel which communicates the upper water inlet with the upper water outlet are formed in the upper cooling part, and a lower water inlet, a lower water outlet and a lower cooling channel which communicates the lower water inlet with the lower water outlet are formed in the lower cooling part.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210310830.9A CN114700751B (en) | 2022-03-28 | 2022-03-28 | Conductor reducing butt welding process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210310830.9A CN114700751B (en) | 2022-03-28 | 2022-03-28 | Conductor reducing butt welding process |
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| CN114700751A true CN114700751A (en) | 2022-07-05 |
| CN114700751B CN114700751B (en) | 2023-04-07 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06225437A (en) * | 1993-01-25 | 1994-08-12 | Furukawa Electric Co Ltd:The | Connecting part for repairing laid submarine long body and repairing method for laid submarine long body |
| JP2012022820A (en) * | 2010-07-13 | 2012-02-02 | Viscas Corp | Submarine cable |
| CN102646910A (en) * | 2012-04-26 | 2012-08-22 | 无锡市长城电线电缆有限公司 | Conductor welding method for multicore and multilayer conductor cable |
| CN107123956A (en) * | 2017-05-15 | 2017-09-01 | 深圳科创新源新材料股份有限公司 | A kind of intermediate joint of electric cable welding and renovation technique |
| CN112735635A (en) * | 2020-12-25 | 2021-04-30 | 中天科技海缆股份有限公司 | Submarine cable and method for manufacturing same |
| CN214558605U (en) * | 2020-12-25 | 2021-11-02 | 宁波球冠电缆股份有限公司 | Hydraulic cable conductor welding and fixing device |
-
2022
- 2022-03-28 CN CN202210310830.9A patent/CN114700751B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06225437A (en) * | 1993-01-25 | 1994-08-12 | Furukawa Electric Co Ltd:The | Connecting part for repairing laid submarine long body and repairing method for laid submarine long body |
| JP2012022820A (en) * | 2010-07-13 | 2012-02-02 | Viscas Corp | Submarine cable |
| CN102646910A (en) * | 2012-04-26 | 2012-08-22 | 无锡市长城电线电缆有限公司 | Conductor welding method for multicore and multilayer conductor cable |
| CN107123956A (en) * | 2017-05-15 | 2017-09-01 | 深圳科创新源新材料股份有限公司 | A kind of intermediate joint of electric cable welding and renovation technique |
| CN112735635A (en) * | 2020-12-25 | 2021-04-30 | 中天科技海缆股份有限公司 | Submarine cable and method for manufacturing same |
| CN214558605U (en) * | 2020-12-25 | 2021-11-02 | 宁波球冠电缆股份有限公司 | Hydraulic cable conductor welding and fixing device |
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