CN114682887B - Automatic back welding flux protection equipment for submerged arc - Google Patents
Automatic back welding flux protection equipment for submerged arc Download PDFInfo
- Publication number
- CN114682887B CN114682887B CN202011615732.3A CN202011615732A CN114682887B CN 114682887 B CN114682887 B CN 114682887B CN 202011615732 A CN202011615732 A CN 202011615732A CN 114682887 B CN114682887 B CN 114682887B
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- welding
- arc
- motor
- bottom plate
- shaped
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- 238000003466 welding Methods 0.000 title claims abstract description 81
- 230000004907 flux Effects 0.000 title claims abstract description 23
- 239000002184 metal Substances 0.000 claims description 48
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 30
- 229910052786 argon Inorganic materials 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B23K9/18—Submerged-arc welding
-
- 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
- B23K9/325—Devices for supplying or evacuating shielding gas
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention belongs to the technical field of welding protection processing, in particular to automatic submerged arc back welding flux protection equipment, aiming at the problems that the existing welding mode is low in efficiency, unstable in welding and convenient to protect welding flux, the scheme is provided. The welding device is simple in structure and convenient to operate, and the welding flux continuously conveys the welding flux along with the continuous rotation of the cylinder body during welding, so that the back of a welding line is completely protected during welding, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of welding protection processing, in particular to automatic submerged arc back welding flux protection equipment.
Background
The welding steps of the welding after the cylinder forming are that the manual argon arc welding firstly welds an inner weld joint, then an outer weld joint is cleaned by carbon arc scraping, after grinding, the manual argon arc welding is divided into two outer weld joints, the groove is filled for the first time, the cover surface of the manual argon arc welding is covered for the second time, the workpiece is unstable in the spin welding process, and the back gas protection (argon) is unstable.
The existing welding mode is low in efficiency, unstable in welding and convenient to protect welding flux.
Disclosure of Invention
The invention aims to solve the defects that the existing welding mode is low in efficiency and unstable in welding and is convenient for protecting welding flux, and provides automatic submerged arc back welding flux protection equipment.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides an automatic back welding flux protection equipment of submerged arc, including the bottom plate, the top of bottom plate is provided with the welding workbin, be provided with the feed pump in the welding workbin, be connected with the hose on the feed pump, be connected with the metal pipe on the hose, be connected with the argon gas bottle on the argon gas bottle, be connected with the discharge gate on the metal pipe, be connected with the soldered connection on the metal pipe, the top of bottom plate is provided with the push rod motor, fixedly connected with fixed block on the output shaft of push rod motor, metal pipe and fixed block swing joint, be provided with drive structure on the fixed block, drive structure and metal tube contact, the top of bottom plate is provided with two bottom seats, the top of bottom seat is the arc setting, the top of two bottom seats is provided with same drum, the top fixed mounting of bottom plate has the perpendicular board, the avris fixed mounting of perpendicular board has the push rod cylinder, fixedly mounted has the top seat on the output shaft of push rod cylinder, the bottom of top seat is the arc setting, the inboard of top seat and two bottom seats all is provided with a plurality of balls all with drum contact.
Preferably, the top of bottom plate is provided with U type seat, and two round bars are installed in the internal rotation of U type seat, and the outside of two round bars all overlaps and is equipped with the cover wheel, and the outside of two cover wheels all overlaps and is equipped with the elastic sleeve, and two elastic sleeves all contact with the drum, are provided with double-end motor in the U type seat, and two output shafts of double-end motor respectively with two round bars fixed mounting.
Preferably, one ends of a plurality of springs are fixedly arranged at the bottom of the U-shaped seat, and the other ends of the springs are fixedly arranged at the top of the bottom plate.
Preferably, the installation strip is fixedly installed on the inner wall of the bottom of the U-shaped seat, and the double-headed motor is fixedly connected with the installation strip.
Preferably, the fixed block is provided with a round hole, and the metal tube is movably connected with the round hole.
Preferably, two arc gaps are symmetrically arranged on the inner wall of the round hole, two arc strips are symmetrically arranged on the outer side of the metal tube, and the two arc strips are respectively connected with the two arc gaps in a sliding mode.
Preferably, the driving structure comprises a fixed rod, a motor and a driving wheel, wherein the fixed rod is fixedly arranged on the outer side of the fixed block, the motor is connected with the fixed rod, an output shaft of the motor is fixedly arranged with the driving wheel, and the driving wheel is in contact with the metal tube.
Preferably, the welding head is connected with a welding generator, the end head of the metal tube is connected with an inclined opening, and the inclined opening is close to the welding head.
Compared with the prior art, the invention has the advantages that:
(1) In the scheme, the cylinder is placed at the top of two bottom seats, the push rod cylinder pushes the top seat to move downwards, and the top seat extrudes and fixes the cylinder;
(2) The metal tube can be driven to be highly adjusted through the push rod motor, the motor drives the driving wheel to rotate, and the driving wheel drives the metal tube to move, so that the welding position can be adjusted;
(3) The metal pipe drives the welding head to be close to the inner side of the cylinder, the inner side of the cylinder is welded through the welding head, the arranged feeding pump can guide welding materials to the vicinity of the welding head through the hose and the metal pipe, the argon gas bottle is opened, argon gas enters a welding position, and welding agents can be protected;
(4) The elastic sleeve can be in close contact with the cylinder by providing upward elastic force for the U-shaped seat through the spring, the double-headed motor drives the two round rods to rotate, the two round rods drive the two sleeve wheels to rotate, the two sleeve wheels drive the two elastic sleeves to rotate, the two elastic sleeves can drive the cylinder to rotate, and the cylinder can be rotated when being welded on the inner side of the cylinder, so that the machining efficiency is improved.
The welding device is simple in structure and convenient to operate, and the welding flux continuously conveys the welding flux along with the continuous rotation of the cylinder body during welding, so that the back of a welding line is completely protected during welding, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a submerged arc automatic backside flux protection device according to the present invention;
FIG. 2 is a schematic side view of an automatic backside submerged arc flux protective assembly according to the present invention;
FIG. 3 is a schematic view of a portion A of the submerged arc automatic backside flux protection device according to the present invention;
FIG. 4 is a schematic side view of the fixed block, metal tube and arc strip of the submerged arc automatic backside flux protective equipment according to the present invention;
FIG. 5 is a schematic view of a portion B of the submerged arc automatic backside flux protective assembly according to the present invention.
In the figure: 1. a bottom plate; 2. a bottom seat; 3. a cylinder; 4. a vertical plate; 5. a transverse plate; 6. a push rod cylinder; 7. a top seat; 8. a push rod motor; 9. a metal tube; 10. a welding head; 11. a hose; 12. a welding bin; 13. a fixed block; 14. a round hole; 15. an arc-shaped strip; 16. a motor; 17. a driving wheel; 18. an arc-shaped notch; 19. a spring; 20. a U-shaped seat; 21. a round bar; 22. a double-ended motor; 23. a mounting bar; 24. a sleeve wheel; 25. an elastic sleeve; 26. and (3) rolling balls.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1
Referring to fig. 1-5, automatic back welding flux protection equipment of submerged arc, including bottom plate 1, the top of bottom plate 1 is provided with welding hopper 12, be provided with the feed pump in the welding hopper 12, be connected with hose 11 on the feed pump, be connected with tubular metal resonator 9 on the hose 11, be connected with the argon gas bottle on the hose 11, be provided with the valve on the argon gas bottle, be connected with the discharge gate on the tubular metal resonator 9, be connected with soldered connection 10 on the tubular metal resonator 9, the top of bottom plate 1 is provided with push rod motor 8, be connected with fixed block 13 through the screw on the output shaft of push rod motor 8, tubular metal resonator 9 and fixed block 13 swing joint, be provided with the drive structure on the fixed block 13, the drive structure is in contact with tubular metal resonator 9, the top of bottom plate 1 is provided with two bottom seat 2, the top of bottom seat 2 is the arc setting, the top of two bottom seat 2 is provided with same drum 3, the top of bottom 1 is through welded fixed mounting perpendicular board 4, the limit side of perpendicular board 4 is through welded fixed mounting transverse plate 5, the bottom of transverse plate 5 is through welded fixed mounting push rod cylinder 6, be provided with top 7 on the output shaft of push rod cylinder 6 through fixed mounting top 7, bottom 7 and 26 are two bottom seat 2 and 26 are all set up with the ball seat 2, the bottom seat is the inside is provided with a plurality of ball seat 2.
In this embodiment, the top of bottom plate 1 is provided with U type seat 20, and two round bars 21 are installed in the internal rotation of U type seat 20, and the outside of two round bars 21 all overlaps and is equipped with cover wheel 24, and the outside of two cover wheels 24 all overlaps and is equipped with elastic sleeve 25, and two elastic sleeve 25 all contact with drum 3, are provided with double-end motor 22 in the U type seat 20, and two output shafts of double-end motor 22 pass through welded fastening installation respectively with two round bars 21.
In this embodiment, one ends of a plurality of springs 19 are fixedly mounted on the bottom of the U-shaped seat 20 by welding, and the other ends of the plurality of springs 19 are fixedly mounted on the top of the bottom plate 1 by welding.
In this embodiment, the mounting bar 23 is fixedly mounted on the bottom inner wall of the U-shaped seat 20 by welding, and the double-headed motor 22 is fixedly connected with the mounting bar 23 by screws.
In this embodiment, a circular hole 14 is formed in the fixing block 13, and the metal tube 9 is movably connected with the circular hole 14.
In this embodiment, two arc-shaped notches 18 are symmetrically arranged on the inner wall of the round hole 14, two arc-shaped strips 15 are symmetrically arranged on the outer side of the metal tube 9, and the two arc-shaped strips 15 are respectively connected with the two arc-shaped notches 18 in a sliding manner.
In this embodiment, the driving structure includes a fixing rod, a motor 16 and a driving wheel 17, the fixing rod is fixedly mounted on the outer side of the fixing block 13 through welding, the motor 16 is connected with the fixing rod, an output shaft of the motor 16 is fixedly mounted with the driving wheel 17 through welding, and the driving wheel 17 is in contact with the metal tube 9.
In this embodiment, the welding head 10 is connected with a welding generator, and the end of the metal tube 9 is connected with an inclined opening, and the inclined opening is close to the welding head 10.
Example two
Referring to fig. 1-5, automatic back welding flux protection equipment of submerged arc, including bottom plate 1, the top of bottom plate 1 is provided with welding box 12, be provided with the feed pump in the welding box 12, be connected with hose 11 on the feed pump, be connected with tubular metal resonator 9 on the hose 11, be connected with the argon bottle on the hose 11, be provided with the valve on the argon bottle, be connected with the discharge gate on tubular metal resonator 9, be connected with soldered connection 10 on tubular metal resonator 9, the top of bottom plate 1 is provided with push rod motor 8, fixedly connected with fixed block 13 on the output shaft of push rod motor 8, tubular metal resonator 9 and fixed block 13 swing joint, be provided with the drive structure on the fixed block 13, the drive structure is in contact with tubular metal resonator 9, the top of bottom plate 1 is provided with two bottom seat 2, the top of bottom seat 2 is the arc setting, the top of two bottom seat 2 is provided with same drum 3, the top fixed mounting of bottom plate 1 has perpendicular board 4, limit side fixed mounting of perpendicular board 4 has lateral plate 5, fixedly mounting has cylinder 6 on the bottom of lateral plate 5, fixedly mounting push rod 6 has top seat 7 on the output shaft of push rod 6, the bottom of top seat 7 is the bottom setting up, the bottom and bottom seat 7 and bottom seat 26 and bottom seat 2 are all set up with a plurality of balls and 26 are all the arc ball seat 3.
In this embodiment, the top of the bottom plate 1 is provided with a U-shaped seat 20, two round bars 21 are installed in the rotation of the U-shaped seat 20, sleeve wheels 24 are sleeved on the outer sides of the two round bars 21, elastic sleeves 25 are sleeved on the outer sides of the two sleeve wheels 24, the two elastic sleeves 25 are in contact with the cylinder 3, a double-headed motor 22 is arranged in the U-shaped seat 20, two output shafts of the double-headed motor 22 are fixedly installed with the two round bars 21 respectively, the double-headed motor 22 drives the two round bars 21 to rotate, the two round bars 21 drive the two sleeve wheels 24 to rotate, the two sleeve wheels 24 drive the two elastic sleeves 25 to rotate, and the two elastic sleeves 25 can drive the cylinder 3 to rotate.
In this embodiment, one end of a plurality of springs 19 is fixedly mounted at the bottom of the U-shaped seat 20, the other ends of the plurality of springs 19 are fixedly mounted at the top of the bottom plate 1, and the springs 19 provide elastic force for the U-shaped seat 20.
In this embodiment, a mounting bar 23 is fixedly mounted on the inner wall of the bottom of the U-shaped seat 20, and the double-headed motor 22 is fixedly connected with the mounting bar 23.
In this embodiment, a circular hole 14 is formed in the fixing block 13, and the metal tube 9 is movably connected with the circular hole 14.
In this embodiment, two arc gaps 18 are symmetrically formed in the inner wall of the round hole 14, two arc strips 15 are symmetrically arranged on the outer side of the metal tube 9, the two arc strips 15 are respectively connected with the two arc gaps 18 in a sliding mode, and the arc strips 15 are arranged to ensure that the metal tube 9 moves horizontally in the round hole 14.
In this embodiment, the driving structure includes a fixed rod, a motor 16 and a driving wheel 17, the fixed rod is fixedly installed at the outer side of the fixed block 13, the motor 16 is connected with the fixed rod, an output shaft of the motor 16 is fixedly installed with the driving wheel 17, the driving wheel 17 is in contact with the metal tube 9, the motor 16 drives the driving wheel 17 to rotate, and the driving wheel 17 drives the metal tube 9 to move.
In the embodiment, a welding generator is connected to the welding head 10, and an inclined opening is connected to the end of the metal tube 9, and is close to the welding head 10, so that the welding agent is discharged conveniently.
In this embodiment, when in use, all switch on power and controller with electrical equipment, place the drum 3 to the top of two bottom seat 2, start push rod cylinder 6, push rod cylinder 6 promotes the downward movement of top seat 7, top seat 7 extrudes fixedly to drum 3, simultaneously drum 3 and two cover wheels 24 and two elastic sleeve 25 contact, provide ascending elasticity for U type seat 20 through spring 19, make elastic sleeve 25 can with drum 3 in close contact, can drive tubular metal resonator 9 through push rod motor 8 and carry out the altitude mixture control, motor 16 drives drive wheel 17 and rotates, drive wheel 17 drives tubular metal resonator 9 and removes, tubular metal resonator 9 drives the inboard that weld joint 10 is close to drum 3, weld the inboard welding of drum 3 through weld joint 10, the delivery pump that sets up can be with the welding material near weld joint 10 through hose 11 and tubular metal resonator 9, open the gas cylinder, the argon gas gets into the welded position, can protect the welding material, can carry out the transmission protection to the welding material, simultaneously, two round bars 21 rotate for two cover wheels 24 are driven to two, can drive two round bars 21 and two cover wheels 24 rotate, can drive two elastic sleeve 25 and rotate, can take the drum 3 to rotate, can rotate after two elastic sleeve 25 rotate 3, can accomplish the welding, can rotate when the drum 3 is rotated, and can be rotated to the welding 3.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (3)
1. The automatic submerged arc back welding flux protection device comprises a bottom plate (1), a welding material box (12) is arranged at the top of the bottom plate (1), a feeding pump is arranged in the welding material box (12), and is characterized in that a hose (11) is connected to the feeding pump, a metal pipe (9) is connected to the hose (11), an argon gas cylinder is connected to the hose (11), a valve is arranged on the argon gas cylinder, a discharge hole is connected to the metal pipe (9), a welding head (10) is connected to the metal pipe (9), a push rod motor (8) is arranged at the top of the bottom plate (1), a fixed block (13) is fixedly connected to an output shaft of the push rod motor (8), the metal pipe (9) is movably connected with the fixed block (13), a driving structure is arranged on the fixed block (13) and contacts the metal pipe (9), two bottom seats (2) are arranged at the top of the bottom plate (1), the tops of the bottom seats (2) are arc-shaped, the tops of the two bottom seats (2) are provided with the same cylinder (3), a vertical plate (4) is fixedly arranged at the top of the bottom plate (1), a side of the vertical plate (4) is fixedly provided with a fixed block (13), a horizontal output shaft (6) is fixedly arranged at the bottom of the cylinder (6), the bottoms of the top seats (7) are arc-shaped, a plurality of balls (26) are arranged on the inner sides of the top seats (7) and the two bottom seats (2), and the balls (26) are contacted with the cylinder (3); the top of the bottom plate (1) is provided with a U-shaped seat (20), two round rods (21) are rotatably arranged in the U-shaped seat (20), sleeve wheels (24) are sleeved on the outer sides of the two round rods (21), elastic sleeves (25) are sleeved on the outer sides of the two sleeve wheels (24), the two elastic sleeves (25) are contacted with the cylinder (3), a double-headed motor (22) is arranged in the U-shaped seat (20), and two output shafts of the double-headed motor (22) are fixedly arranged with the two round rods (21) respectively; one ends of a plurality of springs (19) are fixedly arranged at the bottom of the U-shaped seat (20), and the other ends of the springs (19) are fixedly arranged at the top of the bottom plate (1); the mounting strip (23) is fixedly arranged on the inner wall of the bottom of the U-shaped seat (20), and the double-headed motor (22) is fixedly connected with the mounting strip (23); a round hole (14) is formed in the fixed block (13), and the metal tube (9) is movably connected with the round hole (14); two arc-shaped notches (18) are symmetrically formed in the inner wall of the round hole (14), two arc-shaped strips (15) are symmetrically arranged on the outer side of the metal tube (9), and the two arc-shaped strips (15) are respectively connected with the two arc-shaped notches (18) in a sliding mode.
2. The automatic back-side submerged arc welding flux protection device according to claim 1, wherein the driving structure comprises a fixed rod, a motor (16) and a driving wheel (17), the fixed rod is fixedly arranged on the outer side of the fixed block (13), the motor (16) is connected with the fixed rod, an output shaft of the motor (16) is fixedly arranged with the driving wheel (17), and the driving wheel (17) is in contact with the metal pipe (9).
3. The automatic back-side submerged arc flux protection device according to claim 1, wherein the welding head (10) is connected with a welding generator, the end of the metal tube (9) is connected with an inclined opening, and the inclined opening is close to the welding head (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011615732.3A CN114682887B (en) | 2020-12-30 | 2020-12-30 | Automatic back welding flux protection equipment for submerged arc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011615732.3A CN114682887B (en) | 2020-12-30 | 2020-12-30 | Automatic back welding flux protection equipment for submerged arc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114682887A CN114682887A (en) | 2022-07-01 |
| CN114682887B true CN114682887B (en) | 2024-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011615732.3A Active CN114682887B (en) | 2020-12-30 | 2020-12-30 | Automatic back welding flux protection equipment for submerged arc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114682887B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204747739U (en) * | 2015-05-27 | 2015-11-11 | 福建鼎信设备制造有限公司 | Automatic submerged arc welding set of drum |
| CN105750715A (en) * | 2016-04-14 | 2016-07-13 | 山东鑫海矿业技术装备股份有限公司 | Connecting device for improving welding efficiency of automatic submerged arc welding machine and welding method |
| JP2018167945A (en) * | 2017-03-29 | 2018-11-01 | Ｊｆｅスチール株式会社 | Flux supply device for welding machine, submerge arc welding machine, and manufacturing facility for steel pipe |
| CN208195907U (en) * | 2018-04-28 | 2018-12-07 | 中石化石油工程技术服务有限公司 | Circumferential soldering flux pad in a kind of Lincoln weld |
| CN209157358U (en) * | 2018-11-12 | 2019-07-26 | 四川玖固钢构制造有限公司 | A kind of double welding gun submerged arc welding machine |
| CN209792843U (en) * | 2019-04-11 | 2019-12-17 | 北京广厦环能科技股份有限公司 | auxiliary device for submerged arc welding of cylinder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7716834B2 (en) * | 2006-02-27 | 2010-05-18 | Beijing Hinen-Hitech Petroleum Technology Development Co., Ltd | Screen manufacturing method and welding apparatus thereof |
-
2020
- 2020-12-30 CN CN202011615732.3A patent/CN114682887B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204747739U (en) * | 2015-05-27 | 2015-11-11 | 福建鼎信设备制造有限公司 | Automatic submerged arc welding set of drum |
| CN105750715A (en) * | 2016-04-14 | 2016-07-13 | 山东鑫海矿业技术装备股份有限公司 | Connecting device for improving welding efficiency of automatic submerged arc welding machine and welding method |
| JP2018167945A (en) * | 2017-03-29 | 2018-11-01 | Ｊｆｅスチール株式会社 | Flux supply device for welding machine, submerge arc welding machine, and manufacturing facility for steel pipe |
| CN208195907U (en) * | 2018-04-28 | 2018-12-07 | 中石化石油工程技术服务有限公司 | Circumferential soldering flux pad in a kind of Lincoln weld |
| CN209157358U (en) * | 2018-11-12 | 2019-07-26 | 四川玖固钢构制造有限公司 | A kind of double welding gun submerged arc welding machine |
| CN209792843U (en) * | 2019-04-11 | 2019-12-17 | 北京广厦环能科技股份有限公司 | auxiliary device for submerged arc welding of cylinder |
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| Publication number | Publication date |
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| CN114682887A (en) | 2022-07-01 |
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