CN115319396A - Welding method for longitudinal circular seam of cylinder - Google Patents
Welding method for longitudinal circular seam of cylinder Download PDFInfo
- Publication number
- CN115319396A CN115319396A CN202211046809.9A CN202211046809A CN115319396A CN 115319396 A CN115319396 A CN 115319396A CN 202211046809 A CN202211046809 A CN 202211046809A CN 115319396 A CN115319396 A CN 115319396A
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- welding
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0538—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor for rotating tubes, e.g. rollers
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a welding method of a longitudinal circular seam of a cylinder, which comprises the following steps: fixing the cylinder before welding; step two: fully and uniformly heating the cylinder before welding to ensure that the temperature is not lower than the preheating temperature; step three: the welding current is properly reduced, the welding speed is improved, and pear-shaped welding seams are avoided; step four: carrying out hydrogen elimination heat treatment after welding; the first step is completed by adopting the matching of a welding heating machine, and the welding heating machine comprises a supporting assembly, a rotating assembly and a heating assembly; the supporting component is provided with two groups and used for supporting the barrel, and comprises an installation frame. According to the invention, through the arrangement of the heating assembly and the rotating assembly, the heating assembly heats the welding seam of the cylinder, and the rotating assembly drives the cylinder to slowly rotate when the heating assembly heats the welding seam of the cylinder, so that each section of the welding seam of the circumferential weld of the cylinder is heated, and the circumferential weld of the cylinder is uniformly preheated, thereby facilitating the subsequent welding work and being beneficial to improving the welding efficiency and quality.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a method for welding a longitudinal circular seam of a cylinder.
Background
The 15CrMoR steel is low-alloy pearlite heat-resistant steel (1 Cr-0.5Mo type) based on chromium and molybdenum, and is an important material for manufacturing high-temperature pressure vessels with the temperature of 400 to 600 ℃ in the power industry and petrochemical industry departments
The barrel is not convenient to rotate in the process of preheating the welding port, so that the preheating of the annular seam of the barrel is not uniform, the annular seam cannot reach the preheating temperature, and one section of the annular seam has overhigh temperature and too low temperature, so that the welding difficulty is increased, and the welding quality of a product is reduced.
Therefore, it is necessary to provide a method for welding a longitudinal circumferential seam of a cylinder to solve the above problems.
Disclosure of Invention
The invention aims to provide a welding method of a longitudinal circumferential seam of a cylinder, which is characterized in that a heating assembly and a rotating assembly are arranged, wherein the heating assembly heats the welding seam of the cylinder, and the rotating assembly drives the cylinder to slowly rotate when the heating assembly heats the welding seam of the cylinder, so that each section of the welding seam of the circumferential seam of the cylinder is heated, the circumferential seam of the cylinder is uniformly preheated, the subsequent welding work is facilitated, the welding efficiency and quality are improved, and the defects in the technology are overcome.
In order to achieve the above purpose, the invention provides the following technical scheme: a welding method of a longitudinal circular seam of a cylinder body comprises the following welding steps:
the method comprises the following steps: fixing the cylinder before welding;
step two: fully and uniformly heating the cylinder before welding to ensure that the temperature is not lower than the preheating temperature;
step three: the welding current is properly reduced, the welding speed is improved, and pear-shaped welding seams are avoided;
step four: performing hydrogen elimination heat treatment after welding;
the first step is completed by adopting the matching of a welding heating machine, and the welding heating machine comprises a supporting assembly, a rotating assembly and a heating assembly;
the support assemblies are provided with two groups and used for supporting the barrel, each support assembly comprises a mounting rack, support rollers which are in contact with the barrel are arranged on the mounting racks, each group of the mounting racks is arranged in two rows, and an adjusting assembly is arranged at the bottom of each mounting rack;
the rotating assemblies are provided with two groups and used for rotating the barrel, each rotating assembly comprises a supporting plate, the supporting plates are fixedly arranged on one side of the base, a speed reducing motor is arranged on one side of each supporting plate, the output end of each speed reducing motor is in transmission connection with a transmission shaft, and a clamping assembly is arranged at one end of each transmission shaft;
heating element, fixed mounting are used for continuously heating the barrel at the intermediate position at base top, including the heating head, the heating head sets up in the inside of mounting panel, the bottom of mounting panel is provided with installation component.
Preferably, the adjusting part includes the axis of rotation, the rear end of axis of rotation outer wall is provided with first external screw thread, the front end of axis of rotation outer wall is provided with the second external screw thread, the outside of the intermediate position of axis of rotation is provided with the support roller bearing, the movable sleeve has all been cup jointed at the both ends of axis of rotation, the top of movable sleeve and the bottom fixed connection of mounting bracket, the front end of axis of rotation is provided with the belt pulley, the belt pulley is connected with driving motor's output transmission.
Preferably, the number of the rotating shafts is two, a belt pulley is arranged at the front end of one of the rotating shafts, one end of the belt pulley, which is close to one of the rotating shafts, is in transmission connection with the output end of the driving motor, and the other end of the belt pulley is in transmission connection with the other rotating shaft.
Preferably, the sliding grooves are formed in the two sides of the top of the base, the base is connected with the mounting frame through the sliding grooves and the movable sleeve in a sliding mode, and the inner side of each sliding groove is attached to the outer side of the corresponding movable sleeve.
Preferably, the clamping assemblies are provided with two groups and used for clamping and fixing the barrel, each clamping assembly comprises a fixing plate, the fixing plate is fixedly connected with the transmission shaft, adjusting holes are formed in the top and the bottom of the fixing plate, adjusting screws are inserted into the inner threads of the adjusting holes, the bottom ends of the adjusting screws are rotatably connected with clamping plates through bearings, anti-skidding rubber pads are arranged at the bottoms of the clamping plates, connecting springs are fixedly connected to the two sides of the top of each clamping plate, and the top ends of the connecting springs are fixedly connected with the inner sides of the fixing plates.
Preferably, the clamping assemblies are arranged in two groups, one group is formed by two clamping assemblies which are positioned on the same vertical plane, and the two groups of clamping assemblies are symmetrically distributed about the vertical center line of the supporting plate.
Preferably, the installation component comprises two supporting rods, the bottom fixedly connected with spacer of bracing piece, the mounting hole has all been seted up to the both sides of spacer upper surface, the top of connection and base can be dismantled through the mounting screw to the spacer, the mounting hole has been seted up down to the bottom that the base top is close to the spacer, the constant head tank has all been seted up to the both sides of mounting hole inside down.
Preferably, the top ends of the supporting rods are fixedly connected with the bottom of the mounting plate, and the two supporting rods are symmetrically distributed around the vertical center line of the mounting plate.
Preferably, the number of the heating heads is set to be a plurality, and the heating heads are uniformly distributed along the top of the mounting plate.
In the technical scheme, the invention provides the following technical effects and advantages:
1. through the arrangement of the heating assembly and the rotating assembly, the heating assembly heats the welding seam of the cylinder, and the rotating assembly drives the cylinder to slowly rotate when the heating assembly heats the welding seam of the cylinder, so that each section of welding seam of the circumferential weld seam of the cylinder is heated, the circumferential weld seam of the cylinder is uniformly preheated, subsequent welding work is facilitated, and the welding efficiency and quality are improved;
2. through supporting component and adjusting part, wherein supporting component plays the effect of support to the barrel to the welding operation of barrel, the rethread adjusting part can adjust the distance between two rows of mounting brackets simultaneously, thereby makes things convenient for strutting arrangement to support the barrel of unidimensional not, has enlarged the suitability of welding thermomechanical in advance.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the working state of the present invention;
FIG. 3 is a left side sectional view of the present invention;
FIG. 4 is an elevational, cross-sectional view of the present invention;
FIG. 5 is a top sectional view of the base of the present invention;
FIG. 6 is a schematic view of the unfolding structure of the mounting plate and the base of the present invention;
FIG. 7 is an enlarged view taken at A of FIG. 4 in accordance with the present invention;
FIG. 8 is a left side sectional view of the connection of the mounting bracket and the swivel nut of the present invention.
Description of reference numerals:
1. a base; 2. a support plate; 3. a reduction motor; 4. a drive shaft; 5. a fixing plate; 6. an adjustment hole; 7. adjusting the screw rod; 8. a splint; 9. an anti-skid rubber pad; 10. a connecting spring; 11. a drive motor; 12. a belt pulley; 13. a rotating shaft; 14. a first external thread; 15. a second external thread; 16. a support roller; 17. a movable sleeve; 18. a mounting frame; 19. supporting the rollers; 20. a chute; 21. positioning a groove; 22. a lower mounting hole; 23. positioning plates; 24. an upper mounting hole; 25. a support bar; 26. mounting screws; 27. mounting a plate; 28. and heating the head.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings.
The invention provides a welding method of a longitudinal circular seam of a cylinder body as shown in figures 1-8, which comprises the following steps:
the method comprises the following steps: fixing the cylinder before welding;
step two: fully and uniformly heating the cylinder before welding to ensure that the temperature is not lower than the preheating temperature;
step three: the welding current is properly reduced, the welding speed is improved, and pear-shaped welding seams are avoided;
step four: performing hydrogen elimination heat treatment after welding;
the first step is completed by adopting the matching of a welding heating machine, and the welding heating machine in the structure comprises a supporting assembly, a rotating assembly and a heating assembly;
the two groups of support assemblies in the structure are used for supporting the barrel and comprise mounting frames 18, the mounting frames 18 in the structure are provided with support rollers 19 which are in contact with the barrel, the mounting frames 18 in each group of structure are arranged in two rows, and the bottom of the mounting frame 18 in the structure is provided with an adjusting assembly;
the structure rotating assembly comprises two groups of supporting plates 2, the supporting plates 2 are fixedly arranged on one side of a base 1, a speed reducing motor 3 is arranged on one side of the supporting plates 2, the output end of the speed reducing motor 3 is in transmission connection with a transmission shaft 4, and a clamping assembly is arranged at one end of the transmission shaft 4;
heating element in the structure, fixed mounting is in the intermediate position at base 1 top for continuously heating the barrel, including heating head 28, heating head 28 sets up in the inside of mounting panel 27 in the structure, and the bottom of mounting panel 27 is provided with the installation component in the structure.
The barrel that treats preheating is supported through supporting component, runner assembly and heating element's cooperation, and messenger's barrel lifts off ground, makes things convenient for heating element to heat barrel welding seam department, and runner assembly drives the barrel and slowly rotates at heating element butt weld heating in-process, makes heating element butt weld heating more even.
Further, in the above technical scheme, the adjusting component includes a rotating shaft 13 in the structure, the rear end of the outer wall of the rotating shaft 13 in the structure is provided with a first external thread 14, the front end of the outer wall of the rotating shaft 13 in the structure is provided with a second external thread 15, the outer side of the middle position of the rotating shaft 13 in the structure is provided with a supporting roller 16, the two ends of the rotating shaft 13 in the structure are respectively sleeved with a movable sleeve 17, the top of the movable sleeve 17 in the structure is fixedly connected with the bottom of a mounting frame 18, the front end of the rotating shaft 13 in the structure is provided with a belt pulley 12, the belt pulley 12 in the structure is in transmission connection with the output end of a driving motor 11, the number of the rotating shafts 13 in the structure is two, the front end of the rotating shaft 13 in one structure is provided with a belt pulley 12, one end of the belt pulley 12 in the structure, which is close to the rotating shaft 13 in one structure, is in transmission connection with the output end of the driving motor 11, and the other end of the belt pulley 12 in the structure is in transmission connection with another rotating shaft 13.
During the use, start driving motor 11, drive two axis of rotation 13 simultaneously through belt pulley 12 and to the same rotation to through first external screw thread 14, second external screw thread 15 and the cooperation of movable sleeve 17 drive with a set of two rows of movable sleeve 17 and draw close to the centre, thereby adjust the distance between two rows of mounting brackets 18, make strutting arrangement can support the barrel of unidimensional not, thereby improved strutting arrangement's suitability.
Further, in the above technical scheme, the sliding grooves 20 are formed in both sides of the top of the base 1, the base 1 and the mounting frame 18 are connected in a sliding mode through the sliding grooves 20 and the movable sleeve 17 in the structure, and the inner side of the sliding groove 20 is attached to the outer side of the movable sleeve 17 in the structure.
The stability of the mounting frame 18 during operation on top of the base 1 is improved by the cooperation of the runner 20 and the movable sleeve 17.
Further, in above-mentioned technical scheme, clamping components in the structure, be provided with two sets ofly, be used for carrying out the centre gripping to the barrel and fix, including fixed plate 5, fixed plate 5 and transmission shaft 4 fixed connection in the structure, regulation hole 6 has all been seted up to the top and the bottom of fixed plate 5 in the structure, the internal thread of regulation hole 6 is pegged graft and is had adjusting screw 7 in the structure, adjusting screw 7's bottom is connected with splint 8 through bearing rotation in the structure, splint 8's bottom in the structure is provided with anti-skidding rubber pad 9, the both sides fixedly connected with connecting spring 10 at splint 8 top in the structure, connecting spring 10's top and fixed plate 5's inboard fixed connection in the structure, clamping components sets up to two sets ofly in the structure, two clamping components that are located same perpendicular face are a set of, clamping components is about the perpendicular center line symmetric distribution of backup pad 2 in two sets of structures.
During the use, rotate two adjusting screw 7 from top to bottom respectively, promote splint 8 move down, make coupling spring 10 tensile, increase splint 8 through coupling spring 10 and remove the stability of in-process to adjust the distance between two splint 8, the splint 8 through two longitudinal symmetry settings presss from both sides tight fixedly to the barrel, makes the barrel can follow the runner assembly and rotates, is convenient for evenly preheat the circumferential weld of barrel.
Further, in above-mentioned technical scheme, the installation component in the structure, including two bracing pieces 25, the bottom fixedly connected with spacer 23 of bracing piece 25 in the structure, mounting hole 24 has all been seted up to the both sides of spacer 23 upper surface in the structure, spacer 23 can dismantle the top of connection and base 1 through mounting screw 26 in the structure, mounting hole 22 has been seted up down to base 1 top near the bottom of spacer 23 in the structure, locating slot 21 has all been seted up to the inside both sides of lower mounting hole 22 in the structure, the top of bracing piece 25 and the bottom fixed connection of mounting panel 27 in the structure, bracing piece 25 distributes about the perpendicular center line symmetry of mounting panel 27 in two structures, conveniently fix the installation component in the intermediate position at base 1 top through locating slot 21 and spacer 23 cooperation, rethread mounting screw 26 fixes the installation component at base 1 top, thereby make the heating component be located the intermediate position at base 1 top, make the annular seam of heating component and barrel align.
Further, in above-mentioned technical scheme, the quantity of heating head 28 sets up to a plurality of in the structure, and heating head 28 evenly distributed along the top of mounting panel 27 in a plurality of structure promotes heating device's heating efficiency through the heating head 28 of a plurality of settings.
The working principle of the invention is as follows:
referring to the attached drawings 1-8 of the specification, when the temperature measuring device is used, a driving motor 11 is started to drive a belt pulley 12 to rotate, two rotating shafts 13 are driven to rotate through the belt pulley 12 to drive a movable sleeve 17 to draw close towards the middle outside the rotating shafts 13, so that the distance between two horizontal rows of mounting frames 18 is adjusted, a barrel to be processed is placed at the tops of the two groups of mounting frames 18, the bottom of the barrel is abutted to the top of a supporting roller 19, an adjusting screw 7 is rotated to push a clamping plate 8 to move downwards, a connecting spring 10 is stretched, the stability of the clamping plate 8 in the moving process is increased through the connecting spring 10, so that the distance between the two clamping plates 8 is adjusted, the barrel is clamped and fixed through the two clamping plates 8 which are arranged up and down symmetrically, a speed reducing motor 3 is started again, a fixing plate 5 is driven to rotate slowly through a transmission shaft 4, the barrel is driven to rotate slowly, meanwhile, a circular seam of the barrel is uniformly heated through a heating head 28, a far infrared thermometer is adopted, the temperature measuring meter is used at any time in the preheating process, the uniformity of ensuring the preheating temperature, the welding is increased to 150-250 ℃, and then the protective clothing is well worn.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (9)
1. A welding method of a longitudinal circular seam of a cylinder body is characterized in that: the welding steps are as follows:
the method comprises the following steps: fixing the cylinder before welding;
step two: fully and uniformly heating the cylinder before welding to ensure that the temperature is not lower than the preheating temperature;
step three: the welding current is properly reduced, the welding speed is improved, and pear-shaped welding seams are avoided;
step four: performing hydrogen elimination heat treatment after welding;
the first step is completed by adopting the matching of a welding heating machine, and the welding heating machine comprises a supporting assembly, a rotating assembly and a heating assembly;
the support assemblies are provided with two groups and used for supporting the barrel, each support assembly comprises a mounting rack (18), support rollers (19) which are in contact with the barrel are arranged on the mounting racks (18), each group of mounting racks (18) is arranged into two rows, and an adjusting assembly is arranged at the bottom of each mounting rack (18);
the rotary assemblies are provided with two groups and used for rotating the barrel, each rotary assembly comprises a support plate (2), the support plates (2) are fixedly arranged on one side of the base (1), a speed reducing motor (3) is arranged on one side of each support plate (2), the output end of each speed reducing motor (3) is in transmission connection with a transmission shaft (4), and one end of each transmission shaft (4) is provided with a clamping assembly;
heating element, fixed mounting are used for continuously heating the barrel at the intermediate position at base (1) top, including heating head (28), heating head (28) set up in the inside of mounting panel (27), the bottom of mounting panel (27) is provided with installation component.
2. The welding method for the longitudinal circular seam of the cylinder body as claimed in claim 1, characterized in that: the adjusting part comprises a rotating shaft (13), the rear end of the outer wall of the rotating shaft (13) is provided with a first external thread (14), the front end of the outer wall of the rotating shaft (13) is provided with a second external thread (15), the outer side of the middle position of the rotating shaft (13) is provided with a supporting roller (16), the two ends of the rotating shaft (13) are respectively sleeved with a movable sleeve (17), the top of the movable sleeve (17) is fixedly connected with the bottom of a mounting rack (18), the front end of the rotating shaft (13) is provided with a belt pulley (12), and the belt pulley (12) is in transmission connection with the output end of a driving motor (11).
3. The welding method for the longitudinal and circumferential seams of the cylinder body as claimed in claim 2, characterized in that: the number of axis of rotation (13) sets up to two, one of them the front end of axis of rotation (13) is provided with belt pulley (12), belt pulley (12) are close to one of them the one end of axis of rotation (13) is connected with the output transmission of driving motor (11), the other end and another axis of rotation (13) transmission of belt pulley (12) are connected.
4. The welding method for the longitudinal circular seam of the cylinder body as claimed in claim 1, characterized in that: spout (20) have all been seted up to the both sides at base (1) top, through spout (20) and activity cover (17) sliding connection between base (1) and mounting bracket (18), the inboard laminating with the outside of activity cover (17) of spout (20).
5. The welding method for the longitudinal circular seam of the cylinder body as claimed in claim 1, characterized in that: the clamping assemblies are provided with two groups and used for clamping and fixing the barrel, each clamping assembly comprises a fixing plate (5), the fixing plate (5) is fixedly connected with a transmission shaft (4), adjusting holes (6) are formed in the top and the bottom of the fixing plate (5), adjusting screws (7) are inserted into internal threads of the adjusting holes (6), the bottom ends of the adjusting screws (7) are rotatably connected with clamping plates (8) through bearings, anti-skidding rubber pads (9) are arranged at the bottoms of the clamping plates (8), connecting springs (10) are fixedly connected to the two sides of the tops of the clamping plates (8), and the top ends of the connecting springs (10) are fixedly connected with the inner sides of the fixing plate (5).
6. The welding method for the longitudinal circular seam of the cylinder body as claimed in claim 5, characterized in that: the two groups of clamping assemblies are arranged, the two clamping assemblies positioned on the same vertical plane form one group, and the two groups of clamping assemblies are symmetrically distributed around the vertical center line of the supporting plate (2).
7. The welding method for the longitudinal circular seam of the cylinder body as claimed in claim 1, characterized in that: the mounting assembly comprises two supporting rods (25), the bottom fixedly connected with spacer (23) of supporting rod (25), mounting hole (24) have all been seted up to the both sides of spacer (23) upper surface, spacer (23) can be dismantled through mounting screw (26) and be connected with the top of base (1), mounting hole (22) have been seted up down to the bottom that base (1) top is close to spacer (23), constant head tank (21) have all been seted up to the inside both sides of mounting hole (22) down.
8. The welding method for the longitudinal and circumferential seams of the cylinder body as claimed in claim 7, wherein the welding method comprises the following steps: the top end of the supporting rod (25) is fixedly connected with the bottom of the mounting plate (27), and the two supporting rods (25) are symmetrically distributed around the vertical center line of the mounting plate (27).
9. The welding method for the longitudinal circular seam of the cylinder body as claimed in claim 1, characterized in that: the number of heating heads (28) is set to a plurality of, a plurality of heating heads (28) are evenly distributed along the top of mounting plate (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211046809.9A CN115319396A (en) | 2022-08-30 | 2022-08-30 | Welding method for longitudinal circular seam of cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211046809.9A CN115319396A (en) | 2022-08-30 | 2022-08-30 | Welding method for longitudinal circular seam of cylinder |
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| Publication Number | Publication Date |
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| CN115319396A true CN115319396A (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211046809.9A Pending CN115319396A (en) | 2022-08-30 | 2022-08-30 | Welding method for longitudinal circular seam of cylinder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116287657A (en) * | 2023-02-03 | 2023-06-23 | 山东京博装备制造安装有限公司 | Large-scale earthing tank sectional heat treatment device and process |
| CN117564502A (en) * | 2023-12-08 | 2024-02-20 | 佛山市艺祥机械有限公司 | Movable laser cutting machine and use method thereof |
-
2022
- 2022-08-30 CN CN202211046809.9A patent/CN115319396A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116287657A (en) * | 2023-02-03 | 2023-06-23 | 山东京博装备制造安装有限公司 | Large-scale earthing tank sectional heat treatment device and process |
| CN116287657B (en) * | 2023-02-03 | 2023-12-08 | 山东京博装备制造安装有限公司 | Large-scale earthing tank sectional heat treatment device and process |
| CN117564502A (en) * | 2023-12-08 | 2024-02-20 | 佛山市艺祥机械有限公司 | Movable laser cutting machine and use method thereof |
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