CN111843129B - Multi-gun automatic welding and repair welding device for armored copper pipe in optical cable - Google Patents
Multi-gun automatic welding and repair welding device for armored copper pipe in optical cable Download PDFInfo
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- CN111843129B CN111843129B CN202010661953.8A CN202010661953A CN111843129B CN 111843129 B CN111843129 B CN 111843129B CN 202010661953 A CN202010661953 A CN 202010661953A CN 111843129 B CN111843129 B CN 111843129B
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- 238000003466 welding Methods 0.000 title claims abstract description 201
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 49
- 239000010949 copper Substances 0.000 title claims abstract description 49
- 230000003287 optical effect Effects 0.000 title claims abstract description 25
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 50
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 50
- 239000010937 tungsten Substances 0.000 claims abstract description 50
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000000007 visual effect Effects 0.000 claims abstract description 6
- 238000009785 tube rolling Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical group [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
- B23K9/1675—Arc welding or cutting making use of shielding gas and of a non-consumable electrode making use of several electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a multi-gun automatic welding and repair welding device for an armored copper pipe in an optical cable, which comprises: visual observation device, copper pipe weldment work platform, welding mechanism, device and repair welding mechanism of detecting a flaw, welding mechanism has set gradually the welding mechanism supporting seat, has detected a flaw detection mechanism supporting seat and repair welding mechanism supporting seat after to according to the process route on the copper pipe weldment work platform, welding mechanism is direct or indirect to be set up on the welding mechanism supporting seat, welding mechanism includes first welder and sets up many first tungsten needles in first welder, the device of detecting a flaw sets up on the detection mechanism supporting seat of detecting a flaw, repair welding mechanism is direct or indirect to set up on repair welding mechanism supporting seat. Through the mode, the multi-gun automatic welding and repair welding device for the armored copper tube in the optical cable improves the welding quality and speed, reduces the risks of missing welding and insufficient welding, and improves the production efficiency by performing repair welding through the second welding gun after the missing welding is found.
Description
Technical Field
The invention relates to the technical field of production of an armored copper pipe in an optical cable, in particular to a multi-gun automatic welding and repair welding device for the armored copper pipe in the optical cable.
Background
In the production process of the optical cable with the relay seabed, a crucial process is provided, namely welding of the inner layer copper pipe, and the copper sheet is usually rolled into a pipe shape and then welded. The welding mode which is generally used in the industry is argon arc welding, the welding technology is single-gun tungsten needle argon arc welding, the needle point of a single-gun tungsten needle is aligned with a welding seam, welding seam welding after a copper pipe is reeled is achieved, and machining of an inner armor copper pipe in the production process of the submarine optical cable is completed.
In the actual production process, the welding technology of single-gun argon arc welding has relatively high risks of missing welding, insufficient welding and the like, and the welding speed is limited, wherein the serious condition of missing welding can lead to the fact that the submarine optical cable can not be repaired, and the submarine optical cable is directly segmented or even scrapped, and the insufficient welding of the welding line often leads to the problems of cracking of the welding line and the like when the submarine optical cable is subjected to bending stress, so that the pressure resistance to submarine water pressure and the current transmission capability are directly influenced. Meanwhile, when welding leakage occurs, the machine is stopped to independently repair welding leakage points, so that capacity loss is brought, and production efficiency is reduced.
Disclosure of Invention
The invention mainly solves the technical problem of providing a multi-gun automatic welding and repair welding device for an armored copper pipe in an optical cable, so that the welding, detection and automatic repair welding of the copper pipe are realized, and the welding quality and the production efficiency are improved.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a many guns automatic weld of armour copper pipe and repair welding device in optical cable, includes: the welding device comprises a copper pipe welding workbench, wherein a welding mechanism supporting seat, a flaw detection mechanism supporting seat and a repair welding mechanism supporting seat are sequentially arranged on the copper pipe welding workbench from front to back according to a process route;
the welding mechanism is directly or indirectly arranged on the welding mechanism supporting seat and comprises a first welding gun and a plurality of first tungsten needles arranged in the first welding gun, the first tungsten needles are arranged in the first welding gun in a fan shape, and the tips of the first tungsten needles are intersected at one point;
the flaw detection device is arranged on the flaw detection mechanism supporting seat and is positioned behind the first welding gun;
and the repair welding mechanism is directly or indirectly arranged on the support seat of the repair welding mechanism and comprises a second welding gun and a second tungsten needle arranged in the second welding gun.
In a preferred embodiment of the present invention, a roller type copper pipe rolling mold located in front of the support seat of the welding mechanism is disposed on the copper pipe welding workbench.
In a preferred embodiment of the present invention, the number of the first tungsten needles disposed on the first welding gun is 3 to 4, and an included angle between two adjacent first tungsten needles is 18 to 22 °.
In a preferred embodiment of the present invention, the flaw detection device is an eddy current flaw detector.
In a preferred embodiment of the present invention, the device further comprises a visual observation device, wherein the visual observation device comprises a first right-angle reflecting lens and a second right-angle reflecting lens, the first right-angle reflecting lens is located behind the first welding gun, the second right-angle reflecting lens is located on one side of the first welding gun, and the first right-angle reflecting lens and the second right-angle reflecting lens are respectively provided with an industrial camera.
In a preferred embodiment of the invention, a first multi-axis sliding table is arranged on the welding mechanism supporting seat, the welding mechanism is arranged on the first multi-axis sliding table, a first cantilever extending to the front of the welding mechanism is arranged on the first multi-axis sliding table, a second multi-axis sliding table is arranged on the first cantilever, the first right-angle reflecting lens is arranged on the second multi-axis sliding table and points to the bottom end of the first tungsten needle, a second cantilever extending to one side of the welding mechanism is arranged on the first multi-axis sliding table, a third multi-axis sliding table is arranged on the second cantilever, and the second right-angle reflecting lens is arranged on the third multi-axis sliding table and points to the bottom end of the first tungsten needle.
In a preferred embodiment of the invention, the number of the first tungsten needles arranged on the first welding gun is 3, the included angle between two adjacent first tungsten needles is 20 degrees, a needle tube corresponding to the first tungsten needle is arranged in the first welding gun, and the first tungsten needle is inserted into the needle tube and extends to the position below the first welding gun.
In a preferred embodiment of the invention, the top of the first tungsten needle is provided with a rotary handle matched with the thread of the needle tube.
In a preferred embodiment of the invention, the two sides of the first welding gun are provided with jackscrews pointing to the lower part of the corresponding needle tube.
In a preferred embodiment of the present invention, a fourth multi-axis sliding table is disposed on the repair welding mechanism supporting base, and the repair welding mechanism is disposed on the fourth multi-axis sliding table.
The invention has the beneficial effects that: the invention discloses a multi-gun automatic welding and repair welding device for an armored copper tube in an optical cable, which is characterized in that a first welding gun comprising a plurality of first tungsten needles is adopted to weld a welding seam, the welding quality and speed are improved, the risks of welding missing and insufficient are reduced, the welding stability is improved, online detection is carried out through a flaw detection device, repair welding is carried out through a second welding gun after the welding missing is found, the machine halt is not needed, and the production efficiency is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural view of a multi-gun automatic welding and repair welding device for an armored copper tube in an optical cable according to a preferred embodiment of the present invention;
FIG. 2 is another angular view of FIG. 1;
fig. 3 is a schematic view of the welding mechanism of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the invention includes:
the multi-gun automatic welding and repair welding device for the armored copper tube in the optical cable shown in figure 1 comprises: visual observation device, copper pipe weldment work platform 1, welding mechanism 5, device 11 and repair welding mechanism 9 of detecting a flaw, welding mechanism supporting seat 3, detection mechanism supporting seat 14 and repair welding mechanism supporting seat 8 have set gradually according to the process route from the front to the back on the copper pipe weldment work platform 1, conveniently form the assembly line of welding, detection and repair welding.
A roller type copper pipe rolling forming die 2 located in front of the welding mechanism supporting seat 3 is arranged on the copper pipe welding workbench 1, and a copper pipe 10 is continuously output through the roller type copper pipe rolling forming die 2, so that a welding seam faces upwards, and welding is facilitated.
The number of the first tungsten needles 53 arranged on the first welding gun 51 is 3-4, and the included angle between two adjacent first tungsten needles 53 is 18-22 degrees. In the present embodiment, as shown in fig. 3, the number of the first tungsten needles 53 provided on the first welding torch 51 is 3, the included angle between two adjacent first tungsten needles 53 is 20 °, the middle first tungsten needle is directed vertically downward, and the other two first tungsten needles are symmetrically provided on both sides. In addition, a rotating handle 54 in threaded fit with the needle tube 55 is arranged at the top of the first tungsten needle 53, and the first tungsten needle 53 is axially adjusted through the rotation of the rotating handle 54, so that the operation is simple and convenient, the tip of the first welding gun 53 is ensured to be intersected at one point, and meanwhile, current and shielding gas are output to a fixed point in the welding seam, and the high-speed and effective welding of a copper pipe is realized. When three-pin synchronous welding is carried out, the welding current can be increased to 303A from 120A of a single pin, the welding seam missing welding and insufficient welding rate is reduced by 65%, and the upper limit of the welding speed is increased by 30%.
The tips of the three first tungsten needles 53 need to be polished flat before outputting current, and the distance between the tip concentration point and the welding line is about 0.3-0.8mm, so that precise adjustment is needed. Be provided with first multiaxis slip table 4 on the welding mechanism supporting seat 3, welding mechanism 5 sets up on first multiaxis slip table 4, carries out welding mechanism 5's regulation through first multiaxis slip table 4 for first tungsten needle 53 most advanced alignment welding seam center. The first multi-shaft sliding table 4 adopts a 3-shaft screw rod sliding table, the load meets the requirement of more than 10kg, the lead is 1mm, and the adjusting precision is high.
The visual observation device comprises a first right-angle reflecting lens 12 and a second right-angle reflecting lens 13, wherein the first right-angle reflecting lens 12 is located behind a first welding gun 51, and the second right-angle reflecting lens 13 is located on one side of the first welding gun 51, so that an operator can observe from 2 directions before welding. Be provided with the first cantilever 6 that extends to welding mechanism 5 the place ahead on the first multiaxis slip table 4, be provided with second multiaxis slip table 7 on the first cantilever 6, first right angle reflection of light camera lens 12 sets up on second multiaxis slip table 7 and points to first tungsten needle 53 bottom, through the regulation of second multiaxis slip table 7 for first right angle reflection of light camera lens 12 aims at first tungsten needle 53 pointed end and welding seam from the front, cooperates with the industry camera, conveniently observes on the imaging screen. Be provided with the second cantilever 18 that extends to welding mechanism 5 one side on the first multiaxis slip table 7, be provided with third multiaxis slip table 17 on the second cantilever 18, second right angle reflection of light camera lens 13 sets up on third multiaxis slip table 17 and points to first tungsten needle 53 bottom, carry out the regulation of second right angle reflection of light camera lens 13 through third multiaxis slip table 17, make second right angle reflection of light camera lens 13 from the side aim at first tungsten needle 53 most advanced and welding seam, be provided with industrial camera 15 on first right angle reflection of light camera lens 12 and the second right angle reflection of light camera lens 13 respectively, conveniently image, observe on the screen, carry out first welder 51's fine setting, ensure that first tungsten needle 53 most advanced aligns the welding seam center.
The flaw detection device 11 is arranged on the supporting seat 14 of the flaw detection mechanism and is positioned behind the first welding gun 51 to detect the welded copper pipe 10, in the embodiment, the flaw detection device 11 adopts an eddy current flaw detector, so that the copper pipe 10 directly passes through the eddy current flaw detector to perform online detection, the problems of welding missing and insufficient welding are found, and a signal is sent to the PLC.
As shown in fig. 1 and 2, the repair welding mechanism 9 is directly or indirectly arranged on the repair welding mechanism support 8, the repair welding mechanism 9 comprises a second welding gun and a second tungsten needle arranged in the second welding gun, a fourth multi-axis sliding table 16 is arranged on the repair welding mechanism support 8, the repair welding mechanism 9 is arranged on the fourth multi-axis sliding table 16, the repair welding mechanism 9 is adjusted through the fourth multi-axis sliding table 16, so that the tip end of the second tungsten needle is aligned with the center of the welding seam, and after the PLC controller receives a defect signal sent by the flaw detection device 11, the time when the defect position reaches the lower part of the second tungsten needle is judged according to the feeding speed of the copper pipe 10, the second welding gun is controlled to perform repair welding, and the problem of shutdown is avoided.
In conclusion, the multi-gun automatic welding and repair welding device for the armored copper pipe in the optical cable realizes efficient welding, online detection and repair welding of the welding seam of the copper pipe, is automatically produced, improves the stability and the production efficiency of the production process, and is high in quality stability of the copper pipe.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, or direct or indirect applications in other related fields, which are made by the contents of the present specification, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a many guns automatic weld of armour copper pipe and repair welding device in optical cable carries out welding, detection and the repair welding of copper pipe, its characterized in that includes:
the welding device comprises a copper pipe welding workbench, wherein a welding mechanism supporting seat, a flaw detection mechanism supporting seat and a repair welding mechanism supporting seat are sequentially arranged on the copper pipe welding workbench from front to back according to a process route;
the welding mechanism is directly or indirectly arranged on the welding mechanism supporting seat and comprises a first welding gun and a plurality of first tungsten needles arranged in the first welding gun, the first tungsten needles are arranged in the first welding gun in a fan shape, and the tips of the first tungsten needles are intersected at one point;
the flaw detection device is arranged on the flaw detection mechanism supporting seat and is positioned behind the first welding gun;
the repair welding mechanism is directly or indirectly arranged on the support seat of the repair welding mechanism and comprises a second welding gun and a second tungsten needle arranged in the second welding gun;
the visual observation device comprises a first right-angle reflecting lens and a second right-angle reflecting lens, wherein the first right-angle reflecting lens is positioned behind a first welding gun, the second right-angle reflecting lens is positioned on one side of the first welding gun, industrial cameras are respectively arranged on the first right-angle reflecting lens and the second right-angle reflecting lens, a first multi-axis sliding table is arranged on a welding mechanism supporting seat, a welding mechanism is arranged on the first multi-axis sliding table, a first cantilever extending to the front of the welding mechanism is arranged on the first multi-axis sliding table, a second multi-axis sliding table is arranged on the first cantilever, the first right-angle reflecting lens is arranged on the second multi-axis sliding table and points to the bottom end of a first tungsten needle, a second cantilever extending to one side of the welding mechanism is arranged on the first multi-axis sliding table, and a third multi-axis sliding table is arranged on the second cantilever, and the second right-angle reflecting lens is arranged on the third multi-shaft sliding table and points to the bottom end of the first tungsten needle.
2. The multi-gun automatic welding and repair welding device for an armored copper tube in an optical cable according to claim 1, wherein a roller type copper tube rolling forming mold located in front of the supporting seat of the welding mechanism is arranged on the copper tube welding workbench.
3. The multi-gun automatic welding and repair welding device for the armored copper tube in the optical cable as claimed in claim 1, wherein the number of the first tungsten needles arranged on the first welding gun is 3-4, and the included angle between two adjacent first tungsten needles is 18-22 °.
4. The multi-gun automatic welding and repair welding device for the armored copper tube in the optical cable according to claim 1, wherein the flaw detection device adopts an eddy current flaw detector.
5. The multi-gun automatic welding and repair welding device for the armored copper tube in the optical cable as claimed in claim 3, wherein the number of the first tungsten needles arranged on the first welding gun is 3, the included angle between two adjacent first tungsten needles is 20 °, a needle tube corresponding to the first tungsten needle is arranged in the first welding gun, and the first tungsten needle is inserted into the needle tube and extends to the position below the first welding gun.
6. The multi-gun automatic welding and repair welding device for the armored copper tube in the optical cable as claimed in claim 5, wherein the top of the first tungsten needle is provided with a rotary handle which is in threaded fit with the needle tube.
7. The multi-gun automatic welding and repair welding device for the armored copper tube in the optical cable as claimed in claim 5, wherein two sides of the first welding gun are provided with jackscrews pointing to the lower part of the corresponding needle tube.
8. The multi-gun automatic welding and repair welding device for an armored copper tube in an optical cable according to claim 1, wherein a fourth multi-shaft sliding table is arranged on the support seat of the repair welding mechanism, and the repair welding mechanism is arranged on the fourth multi-shaft sliding table.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010661953.8A CN111843129B (en) | 2020-07-10 | 2020-07-10 | Multi-gun automatic welding and repair welding device for armored copper pipe in optical cable |
| PCT/CN2020/131908 WO2022007314A1 (en) | 2020-07-10 | 2020-11-26 | Multi-gun automatic welding and repair welding device for armored copper tube in optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010661953.8A CN111843129B (en) | 2020-07-10 | 2020-07-10 | Multi-gun automatic welding and repair welding device for armored copper pipe in optical cable |
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| Publication Number | Publication Date |
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| CN111843129A CN111843129A (en) | 2020-10-30 |
| CN111843129B true CN111843129B (en) | 2021-11-05 |
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| CN202010661953.8A Active CN111843129B (en) | 2020-07-10 | 2020-07-10 | Multi-gun automatic welding and repair welding device for armored copper pipe in optical cable |
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| CN (1) | CN111843129B (en) |
| WO (1) | WO2022007314A1 (en) |
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| CN111843129B (en) * | 2020-07-10 | 2021-11-05 | 江苏亨通海洋光网系统有限公司 | Multi-gun automatic welding and repair welding device for armored copper pipe in optical cable |
| CN115415812B (en) * | 2022-09-05 | 2023-08-22 | 江苏聚力智能机械股份有限公司 | Assembly line for upper beam and lower beam of elevator |
| CN117549565A (en) * | 2024-01-11 | 2024-02-13 | 西南石油大学 | Basalt fiber reinforced thermoplastic composite welding device |
| CN118003030B (en) * | 2024-04-10 | 2024-06-18 | 天津博爱管道科技集团有限公司 | Repair welding system for spiral steel pipe and repair welding method thereof |
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| US3931489A (en) * | 1973-11-05 | 1976-01-06 | Kabel-Und Metallwerke Gutehoffnungshuette Aktiengesellschaft | Multiarc seam welding apparatus for thin metal sheet |
| JP2004017138A (en) * | 2002-06-20 | 2004-01-22 | Nippon Steel & Sumikin Welding Co Ltd | Working or inspection apparatus, and build-up welding apparatus |
| US8552337B2 (en) * | 2009-06-11 | 2013-10-08 | Illinois Tool Works Inc. | Weld defect detection systems and methods for laser hybrid welding |
| CN102000906A (en) * | 2010-11-15 | 2011-04-06 | 大连三高重工设备有限公司 | Longitudinal submerged arc welding production line for stainless steel tubes and carbon steel tubes |
| CN205437453U (en) * | 2016-03-31 | 2016-08-10 | 哈电集团（秦皇岛）重型装备有限公司 | Welder rifle body of welding head |
| CN205764543U (en) * | 2016-05-26 | 2016-12-07 | 天津比尔莱斯运动器材有限公司 | A kind of cycle frame steel-pipe welding and detection device |
| CN106772845A (en) * | 2016-11-28 | 2017-05-31 | 江苏通光海洋光电科技有限公司 | A kind of heavy in section submarine optical fiber cable |
| CN206440624U (en) * | 2016-12-23 | 2017-08-25 | 上海申花钢管有限公司 | Steel pipe seam detection means |
| CN107825689A (en) * | 2017-11-30 | 2018-03-23 | 江苏亨通海洋光网系统有限公司 | Horizontal pressure cooling system and cooling means are used in cable cooling |
| CN108655542B (en) * | 2018-05-23 | 2020-06-19 | 宁波家禾节能科技有限公司 | Intelligent welding synchronous flaw detection device for boiler barrel |
| CN109454315B (en) * | 2018-12-27 | 2020-10-13 | 哈尔滨工业大学 | Multi-tungsten electrode argon arc heat source, control method and welding device |
| CN110142485B (en) * | 2019-05-07 | 2024-02-13 | 浙江晨光电缆股份有限公司 | Welding equipment and method for high-voltage cable aluminum sleeve |
| CN110303222A (en) * | 2019-07-12 | 2019-10-08 | 南京理工大学 | A kind of more tungsten electrode arc coaxial wire feed increasing material manufacturing devices |
| CN110524581B (en) * | 2019-09-16 | 2023-06-02 | 西安中科光电精密工程有限公司 | Flexible welding robot system and welding method thereof |
| CN111098002B (en) * | 2019-12-24 | 2022-04-05 | 江苏亨通海洋光网系统有限公司 | Multi-electrode welding device and method for metal shielding layer of submarine cable |
| CN111843129B (en) * | 2020-07-10 | 2021-11-05 | 江苏亨通海洋光网系统有限公司 | Multi-gun automatic welding and repair welding device for armored copper pipe in optical cable |
-
2020
- 2020-07-10 CN CN202010661953.8A patent/CN111843129B/en active Active
- 2020-11-26 WO PCT/CN2020/131908 patent/WO2022007314A1/en active Application Filing
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| WO2022007314A1 (en) | 2022-01-13 |
| CN111843129A (en) | 2020-10-30 |
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Address after: Building 2, No.8, Tongda Road, Changshu Economic and Technological Development Zone, Suzhou City, Jiangsu Province, 215000 Patentee after: Jiangsu Hengtong Huahai Technology Co.,Ltd. Country or region after: China Address before: Building 2, No.8, Tongda Road, Changshu Economic and Technological Development Zone, Suzhou City, Jiangsu Province, 215000 Patentee before: JIANGSU HENGTONG MARINE CABLE SYSTEMS Co.,Ltd. Country or region before: China |