CN114700668A - Automatic processing equipment for I-steel of underground continuous wall reinforcement cage joint - Google Patents
Automatic processing equipment for I-steel of underground continuous wall reinforcement cage joint Download PDFInfo
- Publication number
- CN114700668A CN114700668A CN202210392204.9A CN202210392204A CN114700668A CN 114700668 A CN114700668 A CN 114700668A CN 202210392204 A CN202210392204 A CN 202210392204A CN 114700668 A CN114700668 A CN 114700668A
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- CN
- China
- Prior art keywords
- welding
- steel
- reinforcement cage
- processing equipment
- continuous wall
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B23K37/0426—Fixtures for other work
- B23K37/0435—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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
-
- 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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
-
- 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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
Abstract
The invention discloses automatic processing equipment for I-shaped steel of a reinforcement cage joint of an underground continuous wall, which comprises a processing base, a plurality of positioning frames arranged at equal intervals along the length direction of the processing base, welding rails arranged at two sides of the positioning frames, a welding mechanism arranged on the welding rails, and clamping and overturning mechanisms arranged at the left end and the right end of the positioning frames. According to the invention, the I-steel is positioned through the positioning frame, the clamping assembly is used for clamping the web plate of the I-steel, the rail jacking mechanism is used for adjusting the height of the welding rail and the welding mechanism, the welding mechanism performs welding operation along the welding rail, the clamping turnover mechanism is used for lifting the semi-finished I-steel away from the positioning frame by using the hydraulic lifting rod, then the semi-finished I-steel is turned over and falls on the positioning frame, and then the welding mechanism continues to perform welding operation.
Description
Technical Field
The invention belongs to the technical field of I-shaped steel processing, and particularly relates to automatic processing equipment for an I-shaped steel of a reinforcement cage joint of an underground continuous wall.
Background
The diaphragm wall is as a common foundation pit retaining structure, is widely applied to various engineering foundation pits, most of the joints of the diaphragm wall adopt I-steel at present, most of the I-steel is formed by processing and welding steel plates for construction units in a construction site, because of process limitation, an I-steel web and a welding seam which generally needs overhead welding operation are difficult to ensure the construction quality, meanwhile, the I-steel also has safety risks in the positioning and splicing processes, and the size can not be completely ensured to be positioned according to the design requirements.
Disclosure of Invention
The invention aims to provide automatic processing equipment for I-shaped steel of a reinforcement cage joint of an underground continuous wall, which solves the problems of positioning and welding quality in the processing process, avoids the potential safety hazard that a steel plate is shifted and falls off to hurt people in the construction process, and reduces the pollution to the environment.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an underground continuous wall steel reinforcement cage connects I-steel automatic processing equipment, includes processing base, a plurality of locating racks that set up along processing base length direction equidistance, sets up the welding track in the locating rack both sides, sets up the welding mechanism on the welding track, sets up the centre gripping tilting mechanism at both ends about the locating rack.
Preferably, the bottom of the welding track is provided with a plurality of track jacking mechanisms.
Preferably, the rail jacking mechanism is a hydraulic jack.
Preferably, welding mechanism includes the supporting seat, the top of supporting seat is equipped with first regulation post, be equipped with first flexible post on the first regulation post, first flexible post rotates and is connected with the second and adjusts the post, the second is adjusted the post and is connected with the flexible post of second, the flexible post of second rotates and is connected with the welding post, the front end of welding post is connected with the soldered connection, the bottom of supporting seat is equipped with the walking wheel.
Preferably, all be equipped with hydraulic telescoping rod in first regulation post and the second regulation post, hydraulic telescoping rod is connected with first flexible post, the flexible post of second.
Preferably, a rotating motor is arranged between the first telescopic column and the second adjusting column and between the second telescopic column and the welding column, so that angle adjustment is realized.
Preferably, the locating rack sets up the pterygoid lamina locating rack in web locating rack both sides including setting up web locating rack, the symmetry at the middle part, the pterygoid lamina locating rack is the right triangle structure, and the inclined plane is close to the setting of web locating rack, the pterygoid lamina of the fixed I-steel of interval between inclined plane and the web locating rack, the width of web locating rack is unanimous with the width of I-steel.
Preferably, the clamping and turning mechanism comprises a frame, a lifting rail arranged in the frame, a sliding seat arranged on the lifting rail, a rotating motor fixedly connected with the sliding seat, a rotating shaft arranged at the output end of the rotating motor, a clamping assembly connected with the rotating shaft, and a hydraulic lifting rod arranged at the bottom of the sliding seat.
Preferably, the clamping assembly comprises a clamping arm, one end of the clamping arm is fixed with the rotating shaft, and the other end of the clamping arm is provided with an electromagnetic type sucker.
Preferably, the clamping arm is of a "hill" type structure.
Preferably, still be equipped with in the frame and weld cigarette collection mechanism, it includes collecting box, air exhauster, collection hose to weld cigarette collection mechanism, collection hose one end is connected with the air exhauster, and the other end is connected with welding mechanism's welding post.
Preferably, the welding column is provided with a mounting hole, the collecting hose is fixed on the mounting hole and moves along with the movement of the welding mechanism, and smoke dust generated during welding can be collected in time.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the I-steel is positioned through the positioning frame, the clamping assembly is used for clamping the web plate of the I-steel, the rail jacking mechanism is used for adjusting the height of the welding rail and the welding mechanism, the welding mechanism performs welding operation along the welding rail, the clamping turnover mechanism is used for lifting the semi-finished I-steel away from the positioning frame by using the hydraulic lifting rod, then the semi-finished I-steel is turned over and falls on the positioning frame, and then the welding mechanism continues to perform welding operation.
Drawings
FIG. 1 is a schematic structural view of automatic processing equipment for I-shaped steel of a reinforcement cage joint of an underground continuous wall, which is disclosed by the invention;
FIG. 2 is a structural front view of automatic processing equipment for I-shaped steel of a reinforcement cage joint of an underground continuous wall, which is disclosed by the invention;
FIG. 3 is a structural top view of the automatic processing equipment for I-shaped steel of the reinforcement cage joint of the underground continuous wall;
FIG. 4 is a structural side view of the automatic processing equipment for I-shaped steel of the reinforcement cage joint of the underground continuous wall;
FIG. 5 is a structural schematic diagram of a welding mechanism of the automatic processing equipment for the I-shaped steel of the underground continuous wall reinforcement cage joint of the invention;
FIG. 6 is a structural schematic diagram of a clamping and overturning mechanism of the automatic processing equipment for the I-shaped steel of the reinforcement cage joint of the underground continuous wall;
FIG. 7 is a schematic structural view of a positioning frame of the automatic processing equipment for I-shaped steel of the reinforcement cage joint of the underground continuous wall;
wherein: 1. the device comprises a processing base, 2, a welding track, 3, a welding mechanism, 31, a supporting seat, 32, a first adjusting column, 33, a first telescopic column, 34, a second adjusting column, 35, a second telescopic column, 36, a welding column, 37, a welding head, 38, a traveling wheel, 4, a positioning frame, 41, a web positioning frame, 42, a wing plate positioning frame, 5, a clamping turnover mechanism, 51, a rack, 52, a lifting track, 53, a sliding seat, 54, a rotating motor, 55, a hydraulic lifting rod, 6, I-steel, 7, a clamping assembly, 8, a rotating shaft, 9 and a track jacking mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides an underground continuous wall steel reinforcement cage connects I-steel automatic processing equipment, includes processing base 1, along a plurality of locating racks 4 that 1 length direction equidistance of processing base set up, set up welding track 2 in locating rack 4 both sides, set up welding mechanism 3 on welding track 2, set up the centre gripping tilting mechanism 5 at both ends about locating rack 4.
The bottom of welding track 2 is equipped with a plurality of track climbing mechanism 9, track climbing mechanism 9 is hydraulic jack, can realize welding track 2 altitude mixture control to adapt to different processing demands.
Referring to fig. 5, welding mechanism 3 includes supporting seat 31, the top of supporting seat 31 is equipped with first regulation post 32, be equipped with first flexible post 33 on the first regulation post 32, first flexible post 33 rotates and is connected with second regulation post 34, second regulation post 34 is connected with the flexible post 35 of second, the flexible post 35 of second rotates and is connected with welding post 36, the front end of welding post 36 is connected with welding head 37, the bottom of supporting seat 31 is equipped with walking wheel 38, all be equipped with hydraulic telescoping rod in first regulation post 32 and the second regulation post 34, hydraulic telescoping rod is connected with first flexible post 33, the flexible post 35 of second, between first flexible post 33 and the second regulation post 34, all be equipped with the rotation motor between the flexible post 35 of second and the welding post 36, realize the accurate regulation of welding position and angle.
Referring to fig. 6, the positioning frame 4 includes a web positioning frame 41 disposed in the middle, and wing plate positioning frames 42 symmetrically disposed on both sides of the web positioning frame 41, the wing plate positioning frames 42 are in a right triangle structure, an inclined surface is disposed near the web positioning frame 41, a distance between the inclined surface and the web positioning frame 42 fixes wing plates of the i-steel, and a width of the web positioning frame 41 is consistent with a width of the i-steel.
Referring to fig. 7, the clamping and overturning mechanism 5 includes a frame 51, a lifting rail 52 arranged in the frame 51, a sliding seat 53 arranged on the lifting rail 52, a rotating motor 54 fixedly connected with the sliding seat 53, a rotating shaft 8 arranged at an output end of the rotating motor 54, a clamping assembly 7 connected with the rotating shaft 8, and a hydraulic lifting rod 55 arranged at the bottom of the sliding seat 53, wherein the clamping assembly 7 includes a clamping arm, the clamping arm is of a mountain-shaped structure, one end of the clamping arm is fixed with the rotating shaft 8, the other end of the clamping arm is provided with an electromagnetic chuck, the electromagnetic chuck is used for clamping the i-steel, the height adjustment of the i-steel is realized through the hydraulic lifting rod 55, the i-steel is overturned through the rotating shaft 8, and the continuous construction can be realized while overturning the i-steel to the next after welding is completed.
Preferably, still be equipped with in the frame 51 and weld cigarette collection mechanism, it includes collecting box, air exhauster, collection hose to weld cigarette collection mechanism, it is connected with the air exhauster to collect hose one end, and the other end is connected with welding mechanism 3's welding post 36, be equipped with the mounting hole on the welding post 36, collect the hose and fix on the mounting hole, remove along with welding mechanism 3 removes, can in time collect the flue gas dust when welding to collect centralized processing in the collecting box through collecting the hose, improved the environmental protection effect.
The working principle of the invention is as follows: the method comprises the following steps that positioning frames 4 are arranged on a processing base 1 at equal intervals, web positioning frames 41 are fixed according to positions, wing plate positioning frames 42 are fixedly installed according to an I-shaped steel structure, two wing plates at the top and the bottom of an I-shaped steel are placed in a groove between the wing plate positioning frames 42 and the web positioning frames 41 through bevel edges of the wing plate positioning frames 42, then an I-shaped steel web is clamped by a clamping assembly 7, a welding track 2 and a welding mechanism 3 on the welding track 2 are subjected to height adjustment by a track jacking mechanism 9, after the height required by welding operation is jacked to be high, the welding mechanism 3 performs welding operation along the welding track 2, welding smoke generated in the operation process is collected by a welding smoke collecting mechanism and is discharged into a processing device for processing; after welding, the semi-finished I-steel is lifted by the clamping and overturning mechanism 5 by the hydraulic lifting rod 55 to be far away from the positioning frame 4, then is overturned by the rotating motor 54 and the rotating shaft 8, is rotated by 180 degrees and falls down to the position on the positioning frame 4, then is continuously welded along the welding track 2 by the welding mechanism 3, and after all welding operations are completed, the I-steel is lifted from the processing platform manually to complete the I-steel welding processing operation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an underground continuous wall steel reinforcement cage connects I-steel automatic processing equipment which characterized in that, including processing base (1), along a plurality of locating racks (4) that processing base (1) length direction equidistance set up, set up welding track (2) in locating rack (4) both sides, set up welding mechanism (3) on welding track (2), set up centre gripping tilting mechanism (5) at both ends about locating rack (4).
2. The automatic processing equipment for the I-shaped steel of the reinforcement cage joint of the underground continuous wall as claimed in claim 1, wherein a plurality of rail jacking mechanisms (9) are arranged at the bottom of the welding rail (2).
3. The automatic processing equipment for the I-shaped steel of the reinforcement cage joint of the underground continuous wall as claimed in claim 2, wherein the rail jacking mechanism (9) is a hydraulic jack.
4. The automatic processing equipment for the I-shaped steel for the reinforcement cage joint of the underground continuous wall as claimed in claim 1, wherein the welding mechanism (3) comprises a supporting base (31), a first adjusting column (32) is arranged above the supporting base (31), a first telescopic column (32) is arranged on the first adjusting column (32), a second adjusting column (34) is rotatably connected to the first telescopic column (33), a second telescopic column (35) is connected to the second adjusting column (34), a welding column (36) is rotatably connected to the second telescopic column (35), a welding head (37) is connected to the front end of the welding column (36), and a travelling wheel (38) is arranged at the bottom of the supporting base (31).
5. The automatic processing equipment for the I-shaped steel for the reinforcement cage joint of the underground continuous wall according to claim 4, wherein hydraulic telescopic rods are arranged in the first adjusting column (32) and the second adjusting column (34) and are connected with the first telescopic column (33) and the second telescopic column (35), and rotating motors are arranged between the first telescopic column (33) and the second adjusting column (34) and between the second telescopic column (35) and the welding column (36).
6. The automatic processing equipment for the I-shaped steel of the reinforcement cage joint of the underground continuous wall according to claim 5, wherein the positioning frame (4) comprises a web positioning frame (41) arranged in the middle and wing plate positioning frames (42) symmetrically arranged on two sides of the web positioning frame (41), the wing plate positioning frames (42) are of right-angled triangle structures, an inclined plane is arranged close to the web positioning frame (41), a distance between the inclined plane and the web positioning frame (42) is used for fixing wing plates of the I-shaped steel, and the width of the web positioning frame (41) is consistent with that of the I-shaped steel.
7. The automatic processing equipment for the I-steel of the reinforcement cage joint of the underground continuous wall as claimed in claim 6, wherein the clamping and overturning mechanism (5) comprises a frame (51), a lifting rail (52) arranged in the frame (51), a sliding seat (53) arranged on the lifting rail (52), a rotating motor (55) fixedly connected with the sliding seat (54), a rotating shaft (8) arranged at the output end of the rotating motor (54), a clamping assembly (7) connected with the rotating shaft (8), and a hydraulic lifting rod (55) arranged at the bottom of the sliding seat (53).
8. The automatic processing equipment for the I-shaped steel of the reinforcement cage joint of the underground continuous wall as claimed in claim 7, wherein the clamping assembly (7) comprises a clamping arm, one end of the clamping arm is fixed with the rotating shaft (8), and the other end of the clamping arm is provided with an electromagnetic type sucking disc.
9. The automatic processing equipment for I-shaped steel of a reinforcement cage joint of an underground continuous wall as claimed in claim 8, wherein the clamping arm is of a 'mountain' shaped structure.
10. The automatic processing equipment for the I-shaped steel of the reinforcement cage joint of the underground continuous wall as claimed in claim 7, wherein a welding fume collecting mechanism is further arranged in the rack (51), the welding fume collecting mechanism comprises a collecting box, an exhaust fan and a collecting hose, one end of the collecting hose is connected with the exhaust fan, the other end of the collecting hose is connected with a welding column (36) of the welding mechanism (3), a mounting hole is formed in the welding column (36), and the collecting hose is fixed on the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210392204.9A CN114700668A (en) | 2022-04-14 | 2022-04-14 | Automatic processing equipment for I-steel of underground continuous wall reinforcement cage joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210392204.9A CN114700668A (en) | 2022-04-14 | 2022-04-14 | Automatic processing equipment for I-steel of underground continuous wall reinforcement cage joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114700668A true CN114700668A (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210392204.9A Pending CN114700668A (en) | 2022-04-14 | 2022-04-14 | Automatic processing equipment for I-steel of underground continuous wall reinforcement cage joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114700668A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116713656A (en) * | 2023-08-09 | 2023-09-08 | 河北天昕建设集团有限公司 | H-shaped steel girder side wing edge plate welding device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201997881U (en) * | 2011-04-19 | 2011-10-05 | 南京奥特电气有限公司 | Automatic welder for pipe connecting plates and reinforcing rings |
| CN203449313U (en) * | 2013-12-06 | 2014-02-26 | 青岛博智达自动化技术有限公司 | Industrial robot used for welding |
| CN108436347A (en) * | 2018-05-22 | 2018-08-24 | 宁波金凤焊割机械制造有限公司 | A kind of H profile steel welder |
| CN108817788A (en) * | 2018-06-07 | 2018-11-16 | 中铁二局第工程有限公司 | A kind of I-steel welding platform and its application method |
| CN112122751A (en) * | 2020-09-30 | 2020-12-25 | 福建屹鑫钢业有限公司 | Support for H-shaped steel submerged arc welding |
| CN213085420U (en) * | 2020-09-27 | 2021-04-30 | 重庆莱钢建筑材料有限公司 | A turning device for steel member |
| CN213646277U (en) * | 2020-10-22 | 2021-07-09 | 天津贵弘建筑工程有限公司 | H-shaped steel overturning support frame |
| CN113857743A (en) * | 2021-09-17 | 2021-12-31 | 中国建筑第四工程局有限公司 | I-shaped steel welding method |
-
2022
- 2022-04-14 CN CN202210392204.9A patent/CN114700668A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201997881U (en) * | 2011-04-19 | 2011-10-05 | 南京奥特电气有限公司 | Automatic welder for pipe connecting plates and reinforcing rings |
| CN203449313U (en) * | 2013-12-06 | 2014-02-26 | 青岛博智达自动化技术有限公司 | Industrial robot used for welding |
| CN108436347A (en) * | 2018-05-22 | 2018-08-24 | 宁波金凤焊割机械制造有限公司 | A kind of H profile steel welder |
| CN108817788A (en) * | 2018-06-07 | 2018-11-16 | 中铁二局第工程有限公司 | A kind of I-steel welding platform and its application method |
| CN213085420U (en) * | 2020-09-27 | 2021-04-30 | 重庆莱钢建筑材料有限公司 | A turning device for steel member |
| CN112122751A (en) * | 2020-09-30 | 2020-12-25 | 福建屹鑫钢业有限公司 | Support for H-shaped steel submerged arc welding |
| CN213646277U (en) * | 2020-10-22 | 2021-07-09 | 天津贵弘建筑工程有限公司 | H-shaped steel overturning support frame |
| CN113857743A (en) * | 2021-09-17 | 2021-12-31 | 中国建筑第四工程局有限公司 | I-shaped steel welding method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116713656A (en) * | 2023-08-09 | 2023-09-08 | 河北天昕建设集团有限公司 | H-shaped steel girder side wing edge plate welding device |
| CN116713656B (en) * | 2023-08-09 | 2023-10-03 | 河北天昕建设集团有限公司 | H-shaped steel girder side wing edge plate welding device |
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