CN114951926B - Miniature curve swinging device for pipeline welding - Google Patents
Miniature curve swinging device for pipeline welding Download PDFInfo
- Publication number
- CN114951926B CN114951926B CN202210793216.2A CN202210793216A CN114951926B CN 114951926 B CN114951926 B CN 114951926B CN 202210793216 A CN202210793216 A CN 202210793216A CN 114951926 B CN114951926 B CN 114951926B
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- 238000003466 welding Methods 0.000 title claims abstract description 97
- 238000005096 rolling process Methods 0.000 claims abstract description 28
- 238000003825 pressing Methods 0.000 claims abstract description 19
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 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
- B23K9/24—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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
A miniature curve swinging device for pipeline welding comprises a bottom plate, a sliding plate, a rotating plate, a pressing plate, an eccentric wheel, a motor and an adjusting bolt; the welding gun is clamped in the eccentric wheel, the eccentric wheel comprises an eccentric shaft with an eccentric distance and a connecting shaft, the eccentric shaft is embedded into the guide groove of the rotating plate through a large rolling bearing, the connecting shaft is provided with a motor shaft hole and is embedded into the motor shaft hole through a small rolling bearing, and the motor is fixed on the sliding plate and fixedly connected in the motor shaft hole; the rotation of the motor converts the rotation motion of the eccentric wheel into arc-shaped swing of the rotating plate, and then drives the welding gun to do miniature curve swing. The invention has simple structure and wide application range, improves the welding quality and improves the operation efficiency.
Description
Technical Field
The invention relates to manufacturing of a marine low-speed diesel engine pipe fitting, in particular to a miniature curve swinging device for pipeline welding, and belongs to the technical field of diesel engine manufacturing.
Background
The welding operation occupies very large workload in the ship manufacturing process, the welding automation level of the domestic shipbuilding industry is relatively backward at present, and the welding operation mainly depends on manual operation, so that the labor intensity is very high, the production efficiency is low, and the quality is unstable. The current welding mode of the marine diesel engine pipeline is as follows: by artificial argon tungsten-arc welding and consumable electrode CO 2 And (5) gas shielded welding. Because of the special production and welding process of the marine low-speed diesel engine pipeline, the welding quality requirement is quite high. There are some automatic welding aids on the market that can replace manual welding, e.g. with CO 2 The gas is a protected automatic welding trolley and is mainly matched with a consumable electrode gas shielded welding machine. The automatic welding complete equipment is formed by CO 2 The welding device comprises a gas shielded welding power supply, a welding trolley, an auxiliary welding trolley guide rail, a welding cable and the like, and is suitable for welding vertical and horizontal fillet welds or butt welds.
Existing welding equipment in actual use at presentThe problems are: the welding gun support is too large, interference is easy to occur, a small-caliber pipeline cannot be welded, and only a large-caliber pipeline can be weldedAnd the above pipes), the utilization ratio is extremely low; the deformation of the raw material pipe causes the runout of the flange opening during welding rotation; the tube generates axial float when rotating; during welding, operators need to perform secondary profiling to adjust equipment in real time, and one operator only can care about welding of one piece of equipment, so that the production efficiency is low; the swinging device of the welding machine is generally a stepping motor screw rod or other devices with sliding rails, has larger volume and is not suitable for pipeline welding with small space position.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior equipment and providing a miniature curve swinging device for pipeline welding, which is matched with a semiautomatic welding machine for use, and realizes that a welding gun floats along with a reference surface by taking the outer surface of a flange as the reference surface under the condition of keeping the current assembly state of the prior assembly, thereby solving the problem of pipeline welding of a marine low-speed diesel engine, and achieving the aims of reducing the workload of operators, automatically adjusting equipment, improving the working efficiency, reducing the production cost and expanding the application range of the equipment.
Based on the above purpose, the technical scheme provided by the invention is as follows:
the miniature curve swinging device for pipeline welding is matched with a semiautomatic welding machine, and the semiautomatic welding machine comprises a welding gun and is characterized by comprising a bottom plate, a sliding plate, a rotating plate, a pressing plate, an eccentric wheel, a motor and an adjusting bolt;
the middle of the bottom plate is hollowed with a rectangular hole, the front end of the upper plane is provided with a bearing seat, the center of the bearing seat is provided with a shaft hole, the rear end of the lower plane of the bottom plate is provided with a convex base, and the side surface of the base is provided with a threaded through hole;
the sliding plate is fixedly connected onto the bottom plate through a bolt, a motor connecting shaft hole is formed in the center of the sliding plate, a connecting seat protruding downwards is arranged at the rear end of the lower plane, and a through hole is formed in the side face of the connecting seat;
the adjusting bolt passes through the through hole of the connecting seat and is screwed on the threaded through hole of the base so as to connect the bottom plate and the sliding plate;
the rotating plate is connected to the bottom plate and is positioned above the sliding plate, the front end of the upper surface of the rotating plate is provided with a lower semicircular groove with an upward opening and a left-right axis, the lower surface of the rotating plate is provided with a guide groove along the front-back direction, the front end groove of the guide groove is internally provided with a protruding shaft piece, the shaft piece is embedded into a shaft hole of a bearing seat of the bottom plate, and the rotating plate can rotate relative to the bottom plate by taking the shaft hole as the center;
the pressing plate is fixedly connected onto the rotating plate, an upper semicircular groove with a downward opening is arranged below the pressing plate, the upper semicircular groove and the lower semicircular groove of the rotating plate are combined into a whole round hole, and the welding gun is clamped in the whole round hole;
the eccentric wheel is formed by connecting an eccentric shaft with a large diameter at the upper section and a connecting shaft with a small diameter at the lower section, the axis of the connecting shaft is parallel to the axis of the eccentric shaft and has an eccentric distance, the eccentric shaft is connected with a large rolling bearing, the large rolling bearing is embedded in a guide groove of the rotating plate and moves back and forth in the guide groove, the connecting shaft is connected with a small rolling bearing, the small rolling bearing is embedded in a motor connecting shaft hole of the sliding plate, and the center of the connecting shaft is provided with a motor shaft hole coaxial with the connecting shaft;
the motor is fixed on the sliding plate, and a motor shaft of the motor is fixedly connected in a motor shaft hole of the eccentric wheel;
the motor drives the eccentric wheel to rotate, an eccentric shaft of the eccentric wheel rotates eccentrically around a motor shaft of the motor, a large rolling bearing on the eccentric shaft moves back and forth in a guide groove of the rotating plate, and the rotating plate rotates by taking a shaft hole of the bearing seat as a center, so that the rotating motion of the eccentric wheel is converted into arc-shaped swing of the rotating plate, and the rotating plate drives the welding gun to swing in a miniature curve.
Further, two sides of the upper plane of the bottom plate are provided with fixing threaded holes, the left end and the right end of the sliding plate are provided with long waist holes, bolts penetrate through the long waist holes to be screwed on the fixing threaded holes, and the sliding plate is fixedly connected to the bottom plate.
Further, the radius of the arc surface of the upper semicircular groove and the radius of the arc surface of the lower semicircular groove are slightly smaller than the radius of the welding gun, so that the welding gun can be clamped conveniently.
Further, screw holes are formed in four corners around the lower semicircular groove of the rotating plate, connecting holes are formed in four corners around the upper semicircular groove of the pressing plate, bolts penetrate through the connecting holes to be screwed into the screw holes, and the pressing plate is fixedly connected to the rotating plate and clamps the welding gun.
Further, an inner ring of the large rolling bearing is sleeved on the periphery of the eccentric shaft, and an outer ring of the large rolling bearing is embedded in a guide groove of the rotating plate and is in rolling contact with the groove wall of the guide groove; the inner ring of the small rolling bearing is sleeved on the periphery of the connecting shaft, and the outer ring is embedded in the motor connecting shaft hole of the sliding plate.
Further, the two sides of the motor connecting shaft hole of the sliding plate are provided with connecting threaded holes, and the motor is fixed below the sliding plate through screws and the connecting threaded holes.
Further, the adjusting bolt is used for pulling the sliding plate to adjust the fixed position on the bottom plate through rotation, so that the distance between the motor shaft of the motor and the bearing seat of the bottom plate is changed, and the swing amplitude of the welding gun is adjusted.
Further, the bottom plate, the sliding plate, the rotating plate and the pressing plate are made of common carbon steel.
Compared with the existing pipe fitting welding device, the miniature curve swinging device for pipe welding has the following advantages:
the rotating motion is converted into arc swing of the rotating plate through the eccentric wheel, so that the welding gun is driven by the motor to swing in a miniature curve, the rail-along floating welding of the welding gun is realized, the welding gun support is reduced, the automatic welding problem of the marine low-speed diesel engine pipeline is solved, and the fault tolerance and the welding quality of the equipment are improved.
The operation is convenient, the operation of a plurality of devices by one person is realized, the working efficiency is improved, and the labor cost is reduced.
The swing amplitude of the welding gun is adjusted through the adjusting bolt, and the miniature curve swing device can be used for circumferential seam welding of pipes and welding solid welding wires; the welding machine is suitable for welding pipe fittings with all pipe diameters, and the application range is enlarged.
In conclusion, the invention has the advantages of simple structure, convenient use, wide application range and the like, and achieves the effects of improving the fault tolerance and welding quality of equipment and improving the working efficiency.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic structural view of the base plate.
Fig. 3 is a schematic view of the structure of the skateboard.
Fig. 4 is a schematic structural view of the adjusting bolt.
Fig. 5 is a schematic structural view of the eccentric.
Fig. 6 is one of the views of the rotor plate.
Fig. 7 is a second view of the swivel plate.
Fig. 8 is a schematic structural view of the platen.
1-bottom plate, 11-bearing frame, 12-fixed screw hole, 13-rectangular hole, 14-base, 15-screw through hole, 16-shaft hole, 2-slide, 21-long waist hole, 22-motor connecting shaft hole, 23-connecting screw hole, 24-connecting seat, 25-through hole, 3-rotating plate, 31-lower semicircular groove, 32-screw hole, 33-shaft piece, 4-pressing plate, 41-upper semicircular groove, 42-connecting hole, 5-motor, 61-eccentric shaft, 62-connecting shaft, 63-motor shaft hole.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. All equivalent changes and modifications made according to the content of this specification are within the technical scope of the present invention.
The invention is used for pipeline welding of a marine low-speed diesel engine, and is matched with a semiautomatic welding machine in a workshop production site, wherein the semiautomatic welding machine comprises a welding gun.
Referring to fig. 1, the miniature curve swinging device comprises a bottom plate 1, a sliding plate 2, a rotating plate 3, a pressing plate 4, an eccentric wheel, a motor 5 and an adjusting bolt.
Referring to fig. 2, the bottom plate 1 is made of plain carbon steel, is a rectangular structure with a square outline, and has a rectangular hole 13 hollowed out in the middle, so as to be conveniently embedded into the sliding plate 2. The bottom plate 1 is divided into an upper surface and a lower surface, the front end of the upper surface is provided with a bearing seat 11 for connecting the rotating plate 3, the center of the bearing seat 11 is provided with a shaft hole 16, and two sides of the upper surface of the bottom plate 1 are respectively provided with a fixed threaded hole 12 for connecting the sliding plate 2. The rear end of the lower plane of the base plate 1 is provided with a convex base 14, and the side surface of the base 14 is provided with a threaded through hole 15 for connecting the slide plate 2. The base plate 1 is reusable.
Referring to fig. 3, the sliding plate 2 is made of plain carbon steel, has a rectangular plate structure, and is connected to the bottom plate 1 by bolts. The center of the sliding plate 2 is hollowed into a motor connecting shaft hole 22 for penetrating the eccentric wheel, and two sides of the motor connecting shaft hole 22 are respectively provided with a connecting threaded hole 23 for fixing the motor 5 through screws. The left end and the right end of the sliding plate 2 are respectively provided with a long waist hole 21 which is used for connecting the fixing threaded holes 12 on the two sides of the bottom plate 1 through bolts. The rear end of the lower plane of the sliding plate 2 is provided with a connecting seat 24 protruding downwards, and the side surface of the connecting seat 24 is provided with a through hole 25 for connecting the threaded through hole 15.
Referring to fig. 4, the adjusting bolt is a standard part purchased in the market and is used for connecting and fixing the bottom plate 1 and the sliding plate 2; the adjusting bolt passes through a through hole 25 of a connecting seat 24 of the sliding plate 2 and is screwed on a threaded through hole 15 of a base 14 of the bottom plate 1, so as to connect the bottom plate 1 and the sliding plate 2; the adjusting bolt is rotated to push the sliding plate 2 to move, and the adjusting bolt is matched with the long waist hole 21 and the bolt, so that the left and right adjustment of the fixed position of the sliding plate 2 on the upper plane of the bottom plate 1 is realized.
Referring to fig. 5, the eccentric wheel is divided into an upper surface and a lower surface, an eccentric shaft 61 with a slightly larger diameter is arranged on the eccentric shaft 61, a large rolling bearing is connected on the eccentric shaft 61, and an inner ring of the large rolling bearing is directly sleeved on the periphery of the eccentric shaft 61; a connecting shaft 62 connected with the motor 5 is arranged below the eccentric wheel, the axis of the connecting shaft 62 is parallel to the axis of the eccentric shaft 61 and has an eccentric distance, a small rolling bearing is connected to the connecting shaft 62, an inner ring of the small rolling bearing is directly sleeved on the periphery of the connecting shaft 62, and an outer ring of the small rolling bearing is embedded in the motor connecting shaft hole 22 of the sliding plate 2; the center of the connecting shaft 62 is provided with a motor shaft hole 63 coaxial with the connecting shaft 62 for fixedly connecting the motor shaft of the motor 5, and the motor shaft hole 63 has the same eccentricity as the eccentric shaft 61.
Referring to fig. 6 and fig. 7 in combination, the rotating plate 3 is made of plain carbon steel, has a rectangular structure, and is located above the sliding plate 2; the rotating plate 3 is divided into an upper surface and a lower surface, the front end of the upper surface is in a protruding shape, the middle of the upper surface is processed into a lower semicircular groove 31, the opening of the lower semicircular groove 31 is upward, the axis of the lower semicircular groove is along the left-right direction, the radius of the arc surface of the lower semicircular groove 31 is slightly smaller than that of a welding gun of the semiautomatic welding machine, and the welding gun is convenient to clamp when placed on the welding gun. The four corners of the upper plane of the lower semicircular groove 31 are respectively provided with a threaded hole 32, so that the lower semicircular groove is conveniently connected with the pressing plate 4 through bolts. The lower surface of the rotating plate 3 is provided with a guide groove 34 along the front-rear direction for accommodating an eccentric shaft 61 of the eccentric wheel and a large rolling bearing, and the outer ring of the large rolling bearing is in rolling contact with the groove wall of the guide groove 34. A protruding shaft element 33 is arranged in the front end groove of the guide groove 34, and the shaft element 33 is embedded into the shaft hole 16 of the bearing seat 11 on the upper plane of the bottom plate 1 to connect the rotating plate 3 with the bottom plate 1; the rotating plate 3 is rotatable with respect to the base plate 1 about the shaft hole 16.
Referring to fig. 8, the pressing plate 4 is made of plain carbon steel, is a saddle-shaped member, and is formed with a semicircular upper semicircular groove 41 in the middle of the lower part thereof, wherein the upper semicircular groove 41 is downward opened, and the radius of the arc surface is slightly smaller than that of the welding gun; the pressing plate 4 is connected to the rotating plate 3, and the upper semicircular groove 41 and the lower semicircular groove 31 are combined into a whole circular hole to clamp the welding gun therein. And connecting holes 42 are formed at four corners of the pressing plate 4 respectively, so that the pressing plate 4 is conveniently connected with the threaded holes 32 through bolts, and the welding gun is tightly clamped by tightly connecting the pressing plate 4 with the rotating plate 3.
Referring to fig. 1, the motor 5 is a small commercial motor purchased in the market, and is connected to the connecting threaded hole 23 by a screw, so as to be fixed on the sliding plate 2, and a motor shaft of the motor 5 is fixedly connected to a motor shaft hole 63 of the eccentric wheel.
When the motor 5 is electrified, the motor shaft of the motor 5 drives the eccentric wheel to rotate, the eccentric shaft 61 with the eccentric distance of the eccentric wheel eccentrically rotates around the motor shaft of the motor 5, and the large rolling bearing on the eccentric shaft 61 moves back and forth in the guide groove 34 of the rotating plate 3, so that the rotating plate 3 rotates relative to the bottom plate 1 by taking the shaft hole 16 as the center, the rotating motion of the eccentric wheel is converted into arc-shaped swing of the rotating plate 3, and the rotating plate 3 drives the welding gun to swing in a miniature curve. The fixed position of the sliding plate 2 on the bottom plate 1 is changed by rotating the adjusting bolt, so that the distance between the motor shaft of the motor 5 and the bearing seat 11 of the bottom plate 1 is changed, and the swing amplitude of the welding gun can be adjusted.
The working principle of the miniature curve swinging device for pipeline welding is as follows:
placing a welding gun nozzle between the rotating plate 3 and the pressing plate 4, and tightening a bolt to clamp and fix the welding gun; the motor 5 is electrified after being electrified, the motor shaft rotates and drives the eccentric wheel to rotate, the eccentric wheel converts the rotation motion of the eccentric wheel into arc-shaped swing of the rotating plate 3 through the guide groove 34, and then the welding gun is driven to conduct miniature curve swing. The swing amplitude of the welding gun can be adjusted by adjusting the fixed position of the sliding plate 2 and further changing the distance between the motor shaft of the motor 5 and the bearing seat 11 of the bottom plate 1.
The scope of protection claimed in the present invention is not limited to the embodiments described above, but also includes other variants and alternatives obvious to the present invention.
Claims (8)
1. The miniature curve swinging device for pipeline welding is matched with a semiautomatic welding machine, and the semiautomatic welding machine comprises a welding gun and is characterized by comprising a bottom plate, a sliding plate, a rotating plate, a pressing plate, an eccentric wheel, a motor and an adjusting bolt;
the middle of the bottom plate is hollowed with a rectangular hole, the front end of the upper plane is provided with a bearing seat, the center of the bearing seat is provided with a shaft hole, the rear end of the lower plane of the bottom plate is provided with a convex base, and the side surface of the base is provided with a threaded through hole;
the sliding plate is fixedly connected onto the bottom plate through a bolt, a motor connecting shaft hole is formed in the center of the sliding plate, a connecting seat protruding downwards is arranged at the rear end of the lower plane, and a through hole is formed in the side face of the connecting seat;
the adjusting bolt passes through the through hole of the connecting seat and is screwed on the threaded through hole of the base so as to connect the bottom plate and the sliding plate;
the rotating plate is connected to the bottom plate and is positioned above the sliding plate, the front end of the upper surface of the rotating plate is provided with a lower semicircular groove with an upward opening and a left-right axis, the lower surface of the rotating plate is provided with a guide groove along the front-back direction, the front end groove of the guide groove is internally provided with a protruding shaft piece, the shaft piece is embedded into a shaft hole of a bearing seat of the bottom plate, and the rotating plate can rotate relative to the bottom plate by taking the shaft hole as the center;
the pressing plate is fixedly connected onto the rotating plate, an upper semicircular groove with a downward opening is arranged below the pressing plate, the upper semicircular groove and the lower semicircular groove of the rotating plate are combined into a whole round hole, and the welding gun is clamped in the whole round hole;
the eccentric wheel is formed by connecting an eccentric shaft with a large diameter at the upper section and a connecting shaft with a small diameter at the lower section, the axis of the connecting shaft is parallel to the axis of the eccentric shaft and has an eccentric distance, the eccentric shaft is connected with a large rolling bearing, the large rolling bearing is embedded in a guide groove of the rotating plate and moves back and forth in the guide groove, the connecting shaft is connected with a small rolling bearing, the small rolling bearing is embedded in a motor connecting shaft hole of the sliding plate, and the center of the connecting shaft is provided with a motor shaft hole coaxial with the connecting shaft;
the motor is fixed on the sliding plate, and a motor shaft of the motor is fixedly connected in a motor shaft hole of the eccentric wheel;
the motor drives the eccentric wheel to rotate, an eccentric shaft of the eccentric wheel rotates eccentrically around a motor shaft of the motor, a large rolling bearing on the eccentric shaft moves back and forth in a guide groove of the rotating plate, and the rotating plate rotates by taking a shaft hole of the bearing seat as a center, so that the rotating motion of the eccentric wheel is converted into arc-shaped swing of the rotating plate, and the rotating plate drives the welding gun to swing in a miniature curve.
2. The miniature curved swing device for pipeline welding according to claim 1, wherein fixing threaded holes are formed in two sides of the upper plane of the base plate, long waist holes are formed in the left and right ends of the sliding plate, and bolts are screwed onto the fixing threaded holes through the long waist holes to fixedly connect the sliding plate to the base plate.
3. The miniature curved swing device for pipe welding according to claim 1, wherein the radius of the circular arc surface of the upper semicircular groove and the radius of the circular arc surface of the lower semicircular groove are both slightly smaller than the radius of the welding gun, so that the welding gun is convenient to clamp.
4. The miniature curve swing device for pipe welding according to claim 1, wherein screw holes are provided at four corners around the lower semicircular groove of the swivel plate, connecting holes are provided at four corners around the upper semicircular groove of the pressure plate, bolts are screwed into the screw holes through the connecting holes, the pressure plate is fixedly connected to the swivel plate, and the welding gun is clamped.
5. The miniature curved swing device for pipeline welding according to claim 1, wherein the inner ring of the large rolling bearing is sleeved on the periphery of the eccentric shaft, and the outer ring is embedded in the guide groove of the rotating plate and is in rolling contact with the groove wall of the guide groove; the inner ring of the small rolling bearing is sleeved on the periphery of the connecting shaft, and the outer ring is embedded in the motor connecting shaft hole of the sliding plate.
6. The miniature curved swing device for pipeline welding according to claim 1, wherein the motor connecting shaft hole of the slide plate is provided with connecting screw holes on both sides thereof, and the motor is fixed below the slide plate by means of screws and the connecting screw holes.
7. The miniature curved swing device for pipe welding according to claim 1, wherein the adjustment bolt adjusts a fixed position on the base plate by rotationally pulling the slide plate, thereby changing a distance between a motor shaft of the motor and a bearing housing of the base plate, thereby adjusting a swing amplitude of the welding gun.
8. The miniature curved swing device for pipeline welding according to claim 1, wherein the base plate, slide plate, swivel plate and pressure plate are made of plain carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210793216.2A CN114951926B (en) | 2022-07-05 | 2022-07-05 | Miniature curve swinging device for pipeline welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210793216.2A CN114951926B (en) | 2022-07-05 | 2022-07-05 | Miniature curve swinging device for pipeline welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114951926A CN114951926A (en) | 2022-08-30 |
| CN114951926B true CN114951926B (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210793216.2A Active CN114951926B (en) | 2022-07-05 | 2022-07-05 | Miniature curve swinging device for pipeline welding |
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| CN (1) | CN114951926B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202240101U (en) * | 2011-05-19 | 2012-05-30 | 中国石油天然气集团公司 | Welding gun rotating-swinging device for automatic welding in pipe making workshop for pipe frame |
| CN208513977U (en) * | 2018-06-20 | 2019-02-19 | 上海中船三井造船柴油机有限公司 | A kind of tooling for elbow pipe welding |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390358B (en) * | 2020-04-26 | 2021-07-13 | 江苏科技大学 | Rocking/rotating arc consumable electrode gas shielded welding torch and method of using same |
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2022
- 2022-07-05 CN CN202210793216.2A patent/CN114951926B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202240101U (en) * | 2011-05-19 | 2012-05-30 | 中国石油天然气集团公司 | Welding gun rotating-swinging device for automatic welding in pipe making workshop for pipe frame |
| CN208513977U (en) * | 2018-06-20 | 2019-02-19 | 上海中船三井造船柴油机有限公司 | A kind of tooling for elbow pipe welding |
Non-Patent Citations (1)
| Title |
|---|
| 钢板制弯头焊缝气保焊自动横焊机设计;赵波;付彦宏;彭立山;孙奇;陈延军;;焊管;20110728(第07期);全文 * |
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| CN114951926A (en) | 2022-08-30 |
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