CN119501452A - Drill barrel rotary welding device - Google Patents
Drill barrel rotary welding device Download PDFInfo
- Publication number
- CN119501452A CN119501452A CN202411967193.8A CN202411967193A CN119501452A CN 119501452 A CN119501452 A CN 119501452A CN 202411967193 A CN202411967193 A CN 202411967193A CN 119501452 A CN119501452 A CN 119501452A
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- Prior art keywords
- rotary table
- cylinder
- welding
- clamping
- clamping block
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a rotary welding device for a drilling cylinder, which belongs to the technical field of welding equipment and comprises a frame, wherein a first rotary table and a second rotary table are respectively rotatably arranged on the upper side and the lower side of the frame, an upper clamping assembly is arranged on the first rotary table and used for clamping a first cylinder body, a lower clamping assembly is arranged on the second rotary table and used for clamping a second cylinder body, a stand column is fixed on one side of the frame, and the welding assembly comprises a guide piece arranged on the stand column in a lifting mode and a welding gun arranged on the guide piece. The first rotary table and the second rotary table designed by the invention can be respectively provided with the upper clamping assembly and the lower clamping assembly, wherein the lower clamping assembly can be used for fixing the second cylinder body, the upper clamping assembly can be used for fixing the first cylinder body, and the welding gun can continuously weld the joint of the first cylinder body and the second cylinder body by rotating the first rotary table and the second rotary table, so that a workpiece does not need to be transferred, and the welding of the spiral guide strip can be continuously carried out on the equipment.
Description
Technical Field
The invention relates to the technical field of welding equipment, in particular to a rotary welding device for a drilling cylinder.
Background
The rotary digging machine is a special equipment for digging foundation pit, pile foundation and tunnel in construction projects such as construction site, bridge, underground pipeline, wharf, etc. It is suitable for various stratum and has the features of fast pore forming speed, less pollution, high mobility, etc. The rotary drilling machine can use various drills such as a two-lobe drill, an auger, a sand fishing drill, a barrel drill and the like. The cylindrical drill comprises a drill cylinder and a plurality of cutting picks welded at the bottom of the drill cylinder. The drill cylinder is usually formed by welding a long cylinder body and a short cylinder body, and a spiral guide strip is welded on the drill cylinder. The spiral guide strip spans two cylinders, and at present, welding mainly depends on manual welding, and welding quality mainly depends on the technology of workers, so that consistency of welding quality is difficult to ensure.
The invention provides a rotary welding device for drilling barrels, which is used for completing welding of two barrels and welding of a spiral guide bar.
Disclosure of Invention
Aiming at the technical defects, the invention aims to provide a rotary welding device for a drilling barrel, which is convenient for welding two barrels of the drilling barrel and welding a spiral guide strip.
In order to solve the technical problems, the invention provides a rotary welding device for a drill cylinder, which comprises the following technical scheme:
the device comprises a rack, wherein a first rotating table and a second rotating table are respectively rotatably arranged on the upper side and the lower side of the rack, and the axial lines of the first rotating table and the second rotating table are collinear;
The upper clamping assembly is arranged on the first rotary table and used for clamping the first cylinder body, and comprises a plurality of guide posts which are circumferentially and uniformly distributed on the first rotary table, wherein the guide posts have freedom degrees of radial movement along the first rotary table, are parallel to the axial line of the first rotary table, and are provided with clamping units in a sliding manner;
the lower clamping assembly is arranged on the second rotary table and used for clamping the second cylinder;
the welding assembly comprises a guide piece arranged on the stand column in a lifting manner and a welding gun arranged on the guide piece;
When the spiral guide strip is in spot welding on the first cylinder body and the second cylinder body, the guide piece is in sliding fit with the spiral guide strip, and when the first rotary table rotates, the guide piece moves along the spiral guide strip and drives the welding gun to weld the joint between the spiral guide strip and the first cylinder body and the joint between the spiral guide strip and the second cylinder body.
Preferably, the clamping unit includes:
the sliding sleeve is arranged on the guide post in a sliding manner;
the first clamping block is fixedly connected with the sliding sleeve and is rotatably provided with a first screw rod;
the second clamping block is in sliding fit with the first clamping block, and the first screw rod is in threaded fit with the second clamping block.
Preferably, the opposite side walls of the first clamping block and the second clamping block are provided with positioning grooves, and the positioning grooves are matched with the spiral guide strips in shape.
Preferably, the guide comprises:
the lifting seat is slidably arranged on the upright post;
The fixed end of the telescopic piece is fixed on the lifting seat;
the connecting seat is fixed at the movable end of the telescopic piece, and a pressing wheel set is rotatably arranged on one side, far away from the upright post, of the connecting seat;
The upper limit wheel set is arranged on the upper side of the connecting seat and is used for propping against the upper surface of the spiral guide strip;
the lower limiting wheel set is arranged at the lower side of the connecting seat and is used for propping against the lower surface of the spiral guide strip.
Preferably, limiting plates are slidably mounted on the upper side and the lower side of the connecting seat, and the upper limiting wheel set and the lower limiting wheel set are rotatably mounted on the two limiting plates respectively.
Preferably, the connecting seat is provided with a multi-joint supporting arm, the welding gun is fixed at the movable end of the multi-joint supporting arm, and the multi-joint supporting arm is used for adjusting the direction of the welding gun and the distance of the position to be welded.
Preferably, the multi-joint support arm comprises a plurality of cantilevers which are connected in sequence, and two adjacent cantilevers are in running fit.
Preferably, a lifting mechanism is arranged on one side of the frame, the first rotary table is arranged at the movable end of the lifting mechanism, and the second rotary table is arranged at the fixed end of the lifting mechanism.
The invention has the beneficial effects that:
The first rotary table and the second rotary table designed by the invention can be respectively provided with an upper clamping assembly and a lower clamping assembly, wherein the lower clamping assembly can be used for fixing the second cylinder body, the upper clamping assembly can be used for fixing the first cylinder body, a welding gun can continuously weld joints of the first cylinder body and the second cylinder body by rotating the first rotary table and the second rotary table, a workpiece is not required to be transferred, the welding of the spiral guide strip can be continuously carried out on the device, the height of the clamping unit on the guide column is adjusted, the clamping unit can be used for fixing the spiral guide strip on the corresponding position of the drill cylinder so as to conveniently and accurately position the spiral guide strip, then spot welding is carried out, the guide piece can be slidably arranged on the spiral guide strip, when the drill cylinder and the spiral guide strip rotate on the second rotary table, the guide piece can correspondingly lift on the upright post along with the welding gun, the height position of the welding gun is automatically changed, the joint of the spiral guide strip and the drill cylinder is continuously welded, and finally the whole welding work of the drill cylinder is realized.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of the whole structure of a rotary welding device for a drill cylinder according to an embodiment of the present invention.
Fig. 2 is a partial enlarged view at a in fig. 1.
Fig. 3 is a rear perspective view of the overall structure of the present invention.
Fig. 4 is a partial enlarged view at B in fig. 3.
Fig. 5 is a schematic view of the present invention as it is used to weld a first cylinder and a second cylinder.
Fig. 6 is a schematic view of the present invention for spot welding a helical guide strip to the outer wall of a drill barrel.
FIG. 7 is a schematic view of the present invention with a guide moving along a helical guide bar and with a welding gun to weld a gap.
Reference numerals illustrate:
1. The device comprises a frame, 2, a first rotary table, 3, a second rotary table, 4, a first cylinder, 5, a guide post, 6, a second cylinder, 7, an upright post, 8, a welding gun, 9, a sliding sleeve, 10, a first clamping block, 11, a first screw rod, 12, a second clamping block, 13, a positioning groove, 14, a lifting seat, 15, a telescopic piece, 16, a connecting seat, 17, a pressing wheel set, 18, an upper limit wheel set, 19, a lower limit wheel set, 20, a limit plate, 21, a second screw rod, 22, a cantilever, 23, a lifting arm, 24 and a spiral guide strip.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
As shown in fig. 1 to 7, a first embodiment of the present invention provides a rotary welding apparatus for a drill barrel, which can be used not only for welding a first barrel 4 and a second barrel 6, but also for welding a helical guide 24. The invention comprises a frame 1, wherein the frame 1 can be divided into an upper part and a lower part, the middle part of the frame is connected through a lifting arm 23, and the lifting arm 23 is driven by a hydraulic cylinder to realize the distance adjustment of the upper part and the lower part of the frame 1. As shown in fig. 1, the upper part frame 1 and the lower part frame 1 are respectively provided with a first rotary table 2 and a second rotary table 3, which are rotatably connected with the frame 1 through a slewing bearing, and the axes of the two rotary tables are kept collinear, so that the stability of the two rotary tables in the rotating process is ensured. The first rotary table 2 and the second rotary table 3 can be driven to rotate by two gear motors respectively, and the specific driving mode is that the gear motors are fixedly arranged on the frame 1, and the output shafts of the gear motors are connected with the rotary table through transmission mechanisms, so that the rotary table can be driven to rotate through the transmission mechanisms when the gear motors are started.
As shown in fig. 5, seven sliding grooves are formed in the first rotary table 2, the seven sliding grooves are circumferentially and uniformly formed in the first rotary table 2, each sliding groove is perpendicular to the axis of the first rotary table 2, and the extension line passes through the axis of the first rotary table 2. A sliding block is slidably arranged in each sliding groove. A guide post 5 is fixed on the slide block, and a clamping unit is slidably arranged on each guide post 5. The upper clamping assembly is composed of the sliding block, the sliding groove, the guide post 5, the clamping unit and the like, and when the sliding block moves towards the center of the first rotary table 2 along the sliding groove, the guide post 5 presses the surface of the first cylinder 4 with the clamping unit. The seven clamping units are matched to clamp the first cylinder 4 and align the axial lead of the first cylinder 4 with the axial lead of the first rotary table 2.
The driving mechanism with seven sliding blocks synchronously moving in the sliding groove can use a three-jaw chuck structure, namely, a larger bevel gear is arranged in the first rotating table 2, a plane thread structure is arranged on the back surface of the bevel gear, the plane thread structure is meshed with threads formed on the sliding blocks, meanwhile, a rotating handle is rotatably arranged on the first rotating table 2, a small bevel gear meshed with the larger bevel gear is arranged on the rotating handle, and thus, the rotating handle is rotated, namely, the large bevel gear can be driven to rotate through the small bevel gear, and a plurality of sliding blocks are simultaneously driven to move in the sliding groove through the cooperation of the plane thread structure, so that the automatic centering of seven guide posts 5 is realized. Because this structure is the prior art, it is not described in detail here, and is not shown in the drawings.
As shown in fig. 2, the clamping unit of the present invention comprises a sliding sleeve 9, a first clamping block 10 and a second clamping block 12, wherein the sliding sleeve 9 is slidably sleeved on the guide post 5, the first clamping block 10 is fixed on the sliding sleeve 9, a first screw rod 11 is rotatably installed on the first clamping block 10, two guide rods parallel to the first screw rod 11 are fixed on the first clamping block 10, and the second clamping block 12 is slidably installed on the two guide rods and is in threaded connection with the first screw rod 11. Thus, the distance between the first clamping block 10 and the second clamping block 12 can be adjusted by rotating the first screw rod 11, and the opposite surfaces of the first clamping block 10 and the second clamping block 12 are also provided with positioning grooves 13, so that when the distance between the first clamping block 10 and the second clamping block 12 is reduced, the spiral guide strip 24 can be clamped by the two positioning grooves 13, and the spiral guide strip 24 can be limited, so that the spiral guide strip 24 can be welded conveniently. The end of the first clamping block 10 and the second clamping block 12 far away from the sliding sleeve 9 can be used for abutting against the first cylinder 4, and the first cylinder 4 and the second cylinder 6 can be welded together to fix the first cylinder 4.
A rotating handle can be arranged on the sliding sleeve 9 in a threaded manner, and the end part of the rotating handle is abutted against the guide post 5 by rotating the rotating handle, so that the sliding sleeve 9 is fixed on the guide post 5. As shown in fig. 5 and 6, the sliding sleeve 9 on the guide post 5 may be moved to a proper height by a method of moving the sliding sleeve 9 and fixing the sliding sleeve 9, thereby cooperating with the current welding operation.
The lower clamping assembly arranged on the second rotary table 3 is similar to the upper clamping assembly in structure, but only three clamping jaws which are slidably arranged on the second rotary table 3 and a structure for driving the clamping jaws to synchronously and radially move on the second rotary table 3 are needed. The structure can also adopt the structure of a three-jaw chuck. But is independently operable to grip the second cylinder 6.
And the welding assembly is positioned on one side of the frame 1 and consists of a stand column 7, a guide piece and a welding gun 8. Wherein the upright post 7 is parallel to the axis of the first rotary table 2 and fixed on the frame 1, the guide member is slidably mounted on the upright post 7, and the position thereof on the upright post 7 can be fixed by a rotating handle screw-mounted on the guide member. The welding gun 8 is arranged on the guide. As shown in fig. 5, when the first cylinder 4 and the second cylinder 6 need to be welded, the guide member can be lowered to a height at which the welding gun 8 is aligned with the joint between the first cylinder 4 and the second cylinder 6, and then the speed reducing motor is started to drive the first rotary table 2 and the second rotary table 3 to slowly and synchronously rotate, so that the welding gun 8 can realize the rotary welding of the welding seam.
Embodiment two:
On the basis of the first embodiment, in order to enable the invention to be used for welding the spiral guide bar 24, the guide piece designed by the invention comprises a lifting seat 14, a telescopic piece 15, a connecting seat 16 and other components, wherein the lifting seat 14 is sleeved on the upright post 7 and can slide along the upright post 7, and the telescopic piece 15 can be a component which can linearly stretch out and draw back, such as a cylinder or an electric push rod. The fixed end of the telescopic member 15 is fixed to the lifting base 14, while the movable end is fixed to the connecting base 16. As shown in fig. 2, the connection seat 16 is rotatably provided with a pressing wheel set 17, and the pressing wheel set 17 includes two pressing wheels, so that when the telescopic member 15 pushes the connection seat 16 to the spiral guide strip 24, the pressing wheels can press on the spiral guide strip 24 to tightly press the spiral guide strip 24 to the first cylinder 4 or the second cylinder 6. Simultaneously, the upper and lower both sides of connecting seat 16 still have two limiting plates 20 through the guide bar slidable mounting respectively, rotate respectively on these two limiting plates 20 and install spacing wheelset 18 and spacing wheelset 19 down, the upper and lower both sides of connecting seat 16 rotate and install two second lead screws 21, two second lead screws 21 respectively with two limiting plates 20 screw-thread fit, through rotating second lead screw 21, can adjust the position of spacing wheelset 18 on the forehead and spacing wheelset 19 down, make spacing wheelset 18 on and spacing wheelset 19 down support respectively at the upper surface and the lower surface of spiral guide bar 24.
Thus, when the spiral guide bar 24 rotates along with the first cylinder 4, the guide piece slides on the spiral guide bar 24 and can lift along the upright post 7, so that the welding gun 8 can automatically maintain the aligned state with the joint of the spiral guide bar 24 and the first cylinder 4 or the second cylinder 6, and the welding of the spiral guide bar 24 is gradually completed when the first cylinder 4 is rotated.
Embodiment III:
on the basis of the above embodiment, in order to further improve the flexibility and precision of welding and facilitate the adjustment of the angle and position of the welding gun 8, as shown in fig. 4, the invention further provides a multi-joint support arm on the connecting seat 16, wherein the multi-joint support arm is composed of three cantilevers 22 connected in sequence, two adjacent cantilevers 22 are in running fit and can be locked and fixed, and the welding gun 8 is fixed at the movable end of the multi-joint support arm. Thus, by adjusting the position of cantilever 22, welding gun 8 can freely adjust the position and angle in three-dimensional space to adapt to welding seams with different shapes and positions.
When the rotary table is used, the second cylinder 6 is clamped on the second rotary table 3, the first rotary table 2 is lifted by the lifting arm 23, the first cylinder 4 is moved to the second cylinder 6, the first rotary table 2 is lowered, the guide column 5 is driven to radially move on the first rotary table 2, and the plurality of clamping units clamp the first cylinder 4 and align the axial leads of the first cylinder 4 and the second cylinder 6. As shown in fig. 5, the first cylinder 4 can be pressed against the second cylinder 6 by its own weight. The welding gun 8 is moved to the corresponding height to align with the joint of the first cylinder 4 and the second cylinder 6, so that continuous welding can be performed in the rotating process of the first cylinder 4 and the second cylinder 6, and the first cylinder 4 and the second cylinder 6 are welded.
The distance and height between the clamping unit and the first cylinder 4 can then be adjusted as shown in fig. 6, the segmented helical guide 24 is clamped and the helical guide 24 is connected, so that the helical guide 24 is fixed relative to the drill cylinder, and the helical guide 24 can be spot welded by using the welding gun 8, so that the helical guide 24 is fixed on the surface of the drill cylinder initially. The clamping unit can then be moved to the upper section of the guide post 5, as shown in fig. 7. At this time, the drill cylinder can be fixed only by the lower clamping assembly.
The telescopic piece 15 is driven, the lifting seat 14 is moved, the pressing wheel set 17, the upper limit wheel set 18 and the lower limit wheel set 19 on the connecting seat 16 correspondingly abut against the surface of the spiral guide strip 24, the welding gun 8 is adjusted to a proper angle and position, then the second rotary table 3 rotates to enable the spiral guide strip 24 and the drill cylinder to rotate, the connecting seat 16 is lifted and lowered along the upright post 7 under the action of the spiral guide strip 24, the welding gun 8 is enabled to adapt to the shape of the spiral guide strip 24, the joints of the spiral guide strip 24 and the drill cylinder surface are continuously welded, and finally the whole welding work of the drill cylinder is completed.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. A drill pipe spin welding apparatus, comprising:
The device comprises a frame (1), wherein a first rotary table (2) and a second rotary table (3) are respectively rotatably arranged on the upper side and the lower side of the frame (1), and the axial lines of the first rotary table (2) and the second rotary table (3) are collinear;
the upper clamping assembly is arranged on the first rotary table (2) and used for clamping the first cylinder body (4), the upper clamping assembly comprises a plurality of guide posts (5) which are circumferentially and uniformly distributed on the first rotary table (2), the guide posts (5) have the freedom degree of radial movement along the first rotary table (2), the guide posts (5) are parallel to the axial line of the first rotary table (2), and the clamping units are slidably arranged on the guide posts (5);
The lower clamping assembly is arranged on the second rotary table (3) and is used for clamping the second cylinder (6);
The welding assembly is characterized in that an upright post (7) is fixed on one side of the frame (1), the upright post (7) is parallel to the axis of the first rotary table (2), and the welding assembly comprises a guide piece arranged on the upright post (7) in a lifting manner and a welding gun (8) arranged on the guide piece;
When the lower clamping assembly and the upper clamping assembly fix the second cylinder (6) and the first cylinder (4) respectively, the first rotary table (2) and the second rotary table (3) rotate at the same speed, the guide piece and the welding gun (8) are fixed on the upright post (7) and weld joints of the first cylinder (4) and the second cylinder (6), after the spiral guide strip (24) is welded on the first cylinder (4) and the second cylinder (6) in a spot welding mode, the guide piece is in sliding fit with the spiral guide strip (24), and when the first rotary table (2) rotates, the guide piece moves along the spiral guide strip (24) and drives the welding gun (8) to weld joints of the spiral guide strip (24) and the first cylinder (4) and joints of the spiral guide strip (24) and the second cylinder (6).
2. The drill pipe spin welding apparatus of claim 1, wherein the clamping unit comprises:
the sliding sleeve (9) is slidably arranged on the guide post (5);
The first clamping block (10), the first clamping block (10) is fixedly connected with the sliding sleeve (9), and a first screw rod (11) is rotatably arranged on the first clamping block (10);
The second clamping block (12), second clamping block (12) and first clamping block (10) sliding fit, first lead screw (11) and second clamping block (12) screw thread fit.
3. The rotary drill drum welding device according to claim 2, wherein positioning grooves (13) are formed in opposite side walls of the first clamping block (10) and the second clamping block (12), and the positioning grooves (13) are matched with the spiral guide strips (24) in shape.
4. The drill pipe spin welding apparatus of claim 1, wherein the guide comprises:
the lifting seat (14) is slidably arranged on the upright post (7);
the fixed end of the telescopic piece (15) is fixed on the lifting seat (14);
The connecting seat (16), the connecting seat (16) is fixed at the movable end of the telescopic piece (15), and a pressing wheel set (17) is rotatably arranged at one side of the connecting seat (16) far away from the upright post (7);
The upper limit wheel set (18) is arranged on the upper side of the connecting seat (16) and is used for propping against the upper surface of the spiral guide strip (24);
The lower limiting wheel set (19) is arranged at the lower side of the connecting seat (16) and is used for propping against the lower surface of the spiral guide strip (24).
5. The rotary welding device for drill pipes according to claim 4, wherein limiting plates (20) are slidably mounted on the upper side and the lower side of the connecting seat (16), and the upper limiting wheel set (18) and the lower limiting wheel set (19) are rotatably mounted on the two limiting plates (20) respectively.
6. The rotary drill pipe welding device according to claim 4, wherein the connecting seat (16) is provided with a multi-joint supporting arm, the welding gun (8) is fixed at the movable end of the multi-joint supporting arm, and the multi-joint supporting arm is used for adjusting the orientation of the welding gun (8) and the distance of a position to be welded.
7. A drill drum spin welding apparatus according to claim 6, wherein the multi-joint support arm comprises a plurality of cantilevers (22) connected in sequence, with a running fit between two adjacent cantilevers (22).
8. A drill drum spin welding device according to claim 1, characterized in that one side of the frame (1) is provided with a lifting mechanism, the first rotary table (2) is arranged at the movable end of the lifting mechanism, and the second rotary table (3) is arranged at the fixed end of the lifting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411967193.8A CN119501452A (en) | 2024-12-30 | 2024-12-30 | Drill barrel rotary welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411967193.8A CN119501452A (en) | 2024-12-30 | 2024-12-30 | Drill barrel rotary welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119501452A true CN119501452A (en) | 2025-02-25 |
Family
ID=94658167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411967193.8A Withdrawn CN119501452A (en) | 2024-12-30 | 2024-12-30 | Drill barrel rotary welding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119501452A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119952331A (en) * | 2025-04-02 | 2025-05-09 | 辽宁工业大学 | A vertical circumferential seam welding device for pressure vessels |
-
2024
- 2024-12-30 CN CN202411967193.8A patent/CN119501452A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119952331A (en) * | 2025-04-02 | 2025-05-09 | 辽宁工业大学 | A vertical circumferential seam welding device for pressure vessels |
| CN119952331B (en) * | 2025-04-02 | 2025-11-21 | 辽宁工业大学 | Vertical girth welding device for pressure vessel |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20250225 |