CN113338174B - Construction method of steel box girder tied arch bridge assembly - Google Patents
Construction method of steel box girder tied arch bridge assembly Download PDFInfo
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- CN113338174B CN113338174B CN202110907454.7A CN202110907454A CN113338174B CN 113338174 B CN113338174 B CN 113338174B CN 202110907454 A CN202110907454 A CN 202110907454A CN 113338174 B CN113338174 B CN 113338174B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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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
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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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0247—Driving means
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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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
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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
- B23K37/0443—Jigs
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- Engineering & Computer Science (AREA)
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- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a construction method of a steel box girder tied arch bridge assembly, which integrally adopts the sequential construction of firstly constructing a box girder and then constructing a box arch, wherein the welding sequence of the steel box girder adopts the sequence of firstly butt-welding a bottom plate, then butt-welding a middle web plate and then butt-welding a top plate, and during butt-welding, a welding device capable of extruding the butt-joint part of the steel box girder assembly is adopted, and the welding device can be assembled according to the following steps: the welding machine is provided with a lifter, a support lower plate, a gear, a support upper plate, a shell, a first motor, a first rotating device and a second rotating device, wherein a cylinder and a welding gun are connected in a penetrating manner, and an extrusion part is arranged at the end part of the cylinder; and adjusting the first rotating device and the second rotating device to enable the extrusion piece and the welding gun to be close to the part to be welded, driving the air cylinder to extrude the part to be welded, and driving the welding gun to weld the extruded part. The invention can adjust the welding direction, can ensure that the welding part is tightly butted, improves the welding effect and precision and ensures the welding quality.
Description
Technical Field
The invention relates to the technical field of construction, in particular to a construction method of a steel box girder tied arch bridge assembly.
Background
When the steel box girder tied arch bridge was assembled, the butt joint welding was adopted between the bridge subassembly, because between steel construction and the steel construction, had a large amount of welding tasks, partial welding seam position space is limited and is in unsettled state, is unfavorable for between the plate extrusion inseparable back, goes the welding again, so there is welding quality low, the problem that assembly efficiency is low, the common welding seam shaping that has is not full, the welding trace is not neat etc..
Disclosure of Invention
The invention aims to provide a construction method of a steel box girder tied arch bridge assembly, which can adjust the welding direction, ensure that the welding parts are tightly butted, improve the welding effect and precision, ensure the welding quality, form full welding seams, arrange the welding traces, and improve the assembly efficiency and the assembly quality of the bridge assembly.
In order to achieve the purpose, the construction method of the steel box girder tied arch bridge assembly is adopted, the whole construction is carried out in the sequence of box girder first and box arch second, wherein the welding sequence of the steel box girder adopts the sequence of butt welding of a bottom plate first, butt welding of a middle web plate later and butt welding of a top plate later, and during the butt welding, the welding device capable of extruding the butt joint part of the steel box girder assembly is adopted, and the welding device can be assembled according to the following steps:
s1: a lifter is arranged at the bottom;
s2: a supporting lower plate is coaxially arranged at the upper end of the elevator;
s3: a gear is coaxially arranged on the lower supporting plate and can rotate relative to the lower supporting plate;
s4: a support upper plate is coaxially arranged above the gear, and can rotate relative to the gear;
s5: a shell is arranged in the middle of the upper supporting plate, and the lower end of the shell rotates coaxially with the gear and can rotate relative to the upper supporting plate;
s6: a first motor is arranged at the edge of the supporting upper plate, a rotating shaft of the first motor can penetrate through the supporting upper plate in a sliding manner to be coaxially connected with a pinion, and the pinion is meshed with the gear;
s7: the upper end of the shell is connected with a first rotating device, the first rotating device comprises a first outer barrel fixed on the shell, one end of the first outer barrel is fixed with a second motor, a driving shaft of the second motor extends to the other end of the first outer barrel and is fixedly connected with a shaft seat, and the edge of the shaft seat is rotatably connected with the first outer barrel;
s8: a rotatable shaft lever is arranged on the shaft seat;
s9: a second rotating device is arranged at the end part of the shaft rod, the second rotating device comprises a third motor fixed at the end part of the shaft rod, the third motor is fixedly connected with one end of a second outer cylinder, a driving shaft of the third motor extends to the other end of the second outer cylinder and is fixedly connected with a shaft plate, the shaft plate is rotatably connected with the end part of the second outer cylinder, an air cylinder and a welding gun are connected on the shaft plate in a penetrating way, and an extrusion part is arranged at the end part of the air cylinder; the cylinder and the welding gun can select proper specifications and sizes according to actual situations so as to meet welding requirements;
s10: and adjusting the first rotating device and the second rotating device to enable the extrusion piece and the welding gun to be close to the part to be welded, driving the air cylinder to extrude the part to be welded, and driving the welding gun to weld the extruded part.
The height that the hypoplastron was supported in the lift adjustment, the gear drives the casing and rotates, conveniently adjust the welding position, first motor drive pinion drives gear revolve, the second motor drives the axle bed and rotates, the position that the axostylus axostyle was connected with the axle bed is the fulcrum, rotate, the scope in further increase adjustment welding position, third motor drive axle plate rotates, cylinder and welder can rotate thereupon, further increase can the welded scope, the cylinder extrusion needs welded position, can make the welding position butt joint inseparable, welded effect and precision are improved.
As a further improvement of the construction method of the tied arch bridge assembly of the steel box girder, the connection relationship of the shaft seat and the shaft rod is hinged or ball hinged.
The spherical hinge can rotate the angle within the spherical range, the range of the welding direction can be adjusted, and the hinge joint can rotate within the right angle range.
As a further improvement of the construction method of the tied arch bridge assembly of the steel box girder, the extrusion piece is a ceramic welding liner. The ceramic welding liner is placed at the butt joint position which needs to be welded in an extrusion mode, so that the forming of a welding seam is full, and welding traces are neat.
As a further improvement of the construction method of the steel box girder tied arch bridge assembly, rollers are mounted at the bottom of the elevator and mounted on a rail.
The roller is beneficial to reducing the friction force, the rolling friction force is smaller than the sliding friction force, and the movement is more convenient.
As a further improvement of the construction method of the steel box girder tied arch bridge assembly, the magnet suction cups are arranged on the extrusion pieces and are spaced from the end parts used for extrusion.
The magnet sucker can adsorb the welding position, and forms the clamping pressure to the welding position with the extruded piece, is favorable to ensureing welding quality.
As a further improvement of the construction method of the steel box girder tied arch bridge assembly, the magnet sucker is connected with the extrusion piece in a sliding mode, the magnet sucker is fixedly connected with a hydraulic cylinder, and the hydraulic cylinder is fixed on the cylinder.
The position of the magnet sucker can be adjusted by the hydraulic cylinder, so that the effect of adjusting the magnetic force acting on the welding part is achieved.
As a further improvement of the construction method of the steel box girder tied arch bridge assembly, when the magnet sucker adsorbs the butt joint part of the steel box girder assembly, another magnet is adopted and placed on one surface of the butt joint part, which is far away from the magnet sucker, and is attracted with the magnet sucker.
The attraction of the double magnets clamps and presses the welding part, which is beneficial to increasing the pressing force.
As a further improvement of the construction method of the steel box girder tied arch bridge assembly, a spring is arranged between the extrusion piece and the cylinder.
The spring can promote the shock-absorbing capacity, when preventing the rigidity collision, damages the extruded article.
As a further improvement of the construction method of the steel box girder tied arch bridge assembly, reinforcing ribs are arranged at the butt joint part of the steel box girder assembly and are respectively arranged at two sides of the magnet, a slide rail for the magnet to slide is formed, and the magnet moves along the axial direction of the slide rail under the guidance of the magnet sucker to move and extrude the butt joint part of the steel box girder assembly.
The magnet can be controlled by the magnet sucker, and the position required to be clamped and pressed can be adjusted, so that the device is very convenient and flexible.
As a further improvement of the construction method of the steel box girder tied arch bridge assembly, when the butt joint part of the steel box girder assembly forms a part needing to be welded in the longitudinal and transverse directions, corresponding reinforcing ribs in the longitudinal and transverse directions are arranged, and a longitudinal and transverse slide rail with a magnet capable of changing the direction to slide is formed. The magnets can move along the welding edges, the butt joint parts which are staggered longitudinally and transversely are provided with reinforcing ribs, the overall rigidity of the bridge assembly is improved, and the magnets can move.
The invention can adjust the welding direction, can ensure that the welding parts are tightly butted, improves the welding effect and precision, ensures the welding quality, is full of formed welding seams, is orderly in welding trace, and improves the assembly efficiency and the assembly quality of bridge components.
Drawings
Fig. 1 is a schematic structural diagram of the embodiment.
Reference numerals: 1. an elevator; 2. a support lower plate; 3. a gear; 4. supporting the upper plate; 5. a housing; 6. a first motor; 7. a pinion gear; 8. a first rotating device; 9. a first outer cylinder; 10. a second motor; 11. a shaft seat; 12. a shaft lever; 13. a second rotating device; 14. a third motor; 15. a second outer barrel; 16. a shaft plate; 17. a cylinder; 18. a welding gun; 19. a roller; 20. a track; 21. a magnet sucker; 22. a hydraulic cylinder; 23. a spring; 24. an extrusion.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, a construction method of a steel box girder tied arch bridge assembly integrally adopts a sequence of box girder first and box arch second, wherein the welding sequence of the steel box girder adopts a sequence of first butt welding of a bottom plate, then butt welding of a middle web plate and then butt welding of a top plate, and during butt welding, a welding device capable of extruding butt joint parts of the steel box girder assembly is adopted, and the welding device can be specifically assembled according to the following steps:
s1: the bottom is provided with a lifter 1;
s2: a lower supporting plate 2 is coaxially arranged at the upper end of the lifter 1;
s3: a gear 3 is coaxially arranged on the lower support plate 2, and the gear 3 can rotate relative to the lower support plate 2;
s4: a supporting upper plate 4 is coaxially arranged above the gear 3, and the supporting upper plate 4 can rotate relative to the gear 3;
s5: a shell 5 is arranged in the middle of the upper supporting plate 4, and the lower end of the shell 5 rotates coaxially with the gear 3 and can rotate relative to the upper supporting plate 4;
s6: a first motor 6 is arranged at the edge part of the supporting upper plate 4, the rotating shaft of the first motor 6 can slide to penetrate through the supporting upper plate 4 and is coaxially connected with a pinion 7, and the pinion 7 is meshed with the gear 3;
s7: the upper end of the shell 5 is connected with a first rotating device 8, the first rotating device 8 comprises a first outer cylinder 9 fixed on the shell 5, one end of the first outer cylinder 9 is fixed with a second motor 10, the driving shaft of the second motor 10 extends to the other end of the first outer cylinder 9 and is fixedly connected with a shaft seat 11, and the edge of the shaft seat 11 is rotatably connected with the first outer cylinder 9;
s8: a rotatable shaft lever 12 is arranged on the shaft seat 11;
s9: a second rotating device 13 is arranged at the end part of the shaft lever 12, the second rotating device 13 comprises a third motor 14 fixed at the end part of the shaft lever 12, the third motor 14 is fixedly connected with one end of a second outer cylinder body 15, the driving shaft of the third motor extends to the other end of the second outer cylinder body 15 and is fixedly connected with a shaft plate 16, the shaft plate 16 is rotatably connected with the end part of the second outer cylinder body 15, an air cylinder 17 and a welding gun 18 are connected on the shaft plate 16 in a penetrating way, and an extruding part 24 is arranged at the end part of the air cylinder 17;
s10: the first rotating device 8 and the second rotating device 13 are adjusted to enable the extrusion piece 24 and the welding gun 18 to be close to the part needing to be welded, the air cylinder 17 is driven to extrude the part needing to be welded, and then the welding gun 18 is driven to weld the extruded part.
The height of hypoplastron 2 is supported in the adjustment of lift 1, gear 3 drives 5 rotations of casing, conveniently adjust welding position, first motor 6 drive pinion 7 drives gear 3 and rotates, second motor 10 drives axle bed 11 and rotates, position that axostylus axostyle 12 is connected with axle bed 11 is the fulcrum, rotate, the scope in further increase adjustment welding position, third motor 14 drive axle board 16 rotates, cylinder 17 and welder 18 can rotate thereupon, further increase can the welded scope, cylinder 17 extrusion needs welded position, can make the butt joint of welding position inseparable, improve welded effect and precision.
In this embodiment, the shaft seat 11 and the shaft 12 are connected by a hinge or a ball joint.
The spherical hinge can rotate the angle within the spherical range, the range of the welding direction can be adjusted, and the hinge joint can rotate within the right angle range.
In this embodiment, the extrusion 24 is a ceramic weld pad. The ceramic welding liner is placed at the butt joint position which needs to be welded in an extrusion mode, so that the forming of a welding seam is full, and welding traces are neat.
In this embodiment, the bottom of the elevator 1 is provided with rollers 19, and the rollers 19 are mounted on a rail 20.
The rollers 19 are advantageous in reducing friction, and rolling friction is smaller than sliding friction, so that the movement is more convenient.
In this embodiment, a magnet suction cup 21 is mounted on the pressing member 24, the magnet suction cup 21 being spaced from the end portion thereof for pressing.
The magnet sucker 21 can adsorb the welding position and form clamping pressure on the welding position with the extrusion piece 24, which is beneficial to ensuring the welding quality.
In this embodiment, the magnet suction cup 21 is slidably connected to the pressing member 24, and the magnet suction cup 21 is fixedly connected to the hydraulic cylinder 22, and the hydraulic cylinder 22 is fixed to the cylinder 17.
The hydraulic cylinder 22 can adjust the position of the magnetic suction cup 21 to achieve the effect of adjusting the magnetic force acting on the welding site.
In this embodiment, when the magnet suction cup 21 adsorbs the butt joint portion of the steel box girder assembly, another magnet is adopted, placed on the butt joint portion away from one side of the magnet suction cup 21, and attracted with the magnet suction cup 21.
The attraction of the double magnets clamps and presses the welding part, which is beneficial to increasing the pressing force.
In this embodiment, between the pressing member 24 and the cylinder 17 is a spring 23.
The spring 23 can improve the cushioning property and prevent the extrusion member 24 from being damaged in the case of a rigid collision.
In this embodiment, reinforcing ribs are disposed at the butt joint portion of the steel box girder assembly and are respectively disposed at two sides of the magnet, and a slide rail on which the magnet slides is formed, and the magnet moves along the axial direction of the slide rail under the guidance of the magnet suction cup 21, and moves and extrudes the butt joint portion of the steel box girder assembly.
The magnet can be controlled by the magnet sucker 21, and the position required to be clamped and pressed can be adjusted, so that the device is very convenient and flexible.
In this embodiment, when the parts to be welded in the longitudinal and transverse directions are formed at the butt joint parts of the steel box girder assemblies, corresponding reinforcing ribs in the longitudinal and transverse directions are provided, and longitudinal and transverse sliding rails in which the magnets can slide in the direction changeable are formed. The magnets can move along the welding edges, the butt joint parts which are staggered longitudinally and transversely are provided with reinforcing ribs, the overall rigidity of the bridge assembly is improved, and the magnets can move.
The invention can adjust the welding direction, can ensure that the welding parts are tightly butted, improves the welding effect and precision, ensures the welding quality, is full of formed welding seams, is orderly in welding trace, and improves the assembly efficiency and the assembly quality of bridge components.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several equivalent substitutions or obvious modifications can be made without departing from the spirit of the invention, and all the properties or uses are considered to be within the scope of the invention.
Claims (10)
1. A construction method of a steel box girder tied arch bridge assembly is characterized by comprising the following steps:
the whole sequence construction of taking first case roof beam back case arch that takes, wherein steel case roof beam welding order adopts first bottom plate butt joint welding, and web butt joint welding in back goes on in roof butt joint welded order again, and when butt joint welding, the welding set who adopts the steel case roof beam subassembly butt joint position of can extruding carries out, welding set specifically assembles according to following step:
s1: the bottom of the lifting device is provided with a lifter (1);
s2: a supporting lower plate (2) is coaxially arranged at the upper end of the lifter (1);
s3: a gear (3) is coaxially arranged on the lower supporting plate (2), and the gear (3) and the lower supporting plate (2) can rotate relatively;
s4: a supporting upper plate (4) is coaxially arranged above the gear (3), and the supporting upper plate (4) can rotate relative to the gear (3);
s5: a shell (5) is arranged in the middle of the upper supporting plate (4), and the lower end of the shell (5) coaxially rotates with the gear (3) and can rotate relative to the upper supporting plate (4);
s6: a first motor (6) is arranged at the edge part of the supporting upper plate (4), a rotating shaft of the first motor (6) can penetrate through the supporting upper plate (4) in a sliding manner to be coaxially connected with a pinion (7), and the pinion (7) is meshed with the gear (3);
s7: the upper end of the shell (5) is connected with a first rotating device (8), the first rotating device (8) comprises a first outer cylinder (9) fixed on the shell (5), one end of the first outer cylinder (9) is fixed with a second motor (10), a driving shaft of the second motor (10) extends to the other end of the first outer cylinder (9) and is fixedly connected with a shaft seat (11), and the edge of the shaft seat (11) is rotatably connected with the first outer cylinder (9);
s8: a rotatable shaft lever (12) is arranged on the shaft seat (11);
s9: a second rotating device (13) is arranged at the end part of the shaft lever (12), the second rotating device (13) comprises a third motor (14) fixed at the end part of the shaft lever (12), the third motor (14) is fixedly connected with one end of a second outer cylinder body (15), a driving shaft of the third motor extends to the other end of the second outer cylinder body (15) and is fixedly connected with a shaft plate (16), the shaft plate (16) is rotatably connected with the end part of the second outer cylinder body (15), an air cylinder (17) and a welding gun (18) are connected onto the shaft plate (16) in a penetrating manner, and an extruding part (24) is arranged at the end part of the air cylinder (17);
s10: the first rotating device (8) and the second rotating device (13) are adjusted to enable the extrusion piece (24) and the welding gun (18) to be close to the part needing to be welded, the cylinder (17) is driven to extrude the part needing to be welded, and then the welding gun (18) is driven to weld the extruded part.
2. The construction method of the tied arch bridge assembly of the steel box girder according to claim 1, wherein:
the connection relationship between the shaft seat (11) and the shaft lever (12) is hinged or ball hinged.
3. The construction method of the tied arch bridge assembly of the steel box girder according to claim 1, wherein:
the extrusion (24) is a ceramic weld pad.
4. The construction method of the tied arch bridge assembly of the steel box girder according to claim 1, wherein:
the bottom of the lifter (1) is provided with a roller (19), and the roller (19) is arranged on a rail (20).
5. The construction method of the tied arch bridge assembly of the steel box girder according to claim 1, wherein: a magnet cup (21) is mounted on the pressing element (24), the magnet cup (21) being spaced apart from the end thereof intended for pressing.
6. The construction method of the tied arch bridge assembly of the steel box girder according to claim 5, wherein: magnet sucking disc (21) with extruded piece (24) slidable ground connects, magnet sucking disc (21) rigid coupling has pneumatic cylinder (22), pneumatic cylinder (22) are fixed on cylinder (17).
7. The construction method of the tied arch bridge assembly of the steel box girder according to claim 6, wherein: when the magnet sucker (21) adsorbs the butt joint position of the steel box girder assembly, another magnet is adopted and placed on the butt joint position to be far away from one surface of the magnet sucker (21) and is attracted with the magnet sucker (21).
8. The construction method of the tied arch bridge assembly of the steel box girder according to claim 1, wherein: between the pressing member (24) and the cylinder (17) is a spring (23).
9. The steel box girder tied arch bridge assembly construction method according to claim 7, wherein: reinforcing ribs are arranged at the butt joint position of the steel box girder assembly and are respectively arranged on two sides of the magnet to form a slide rail on which the magnet slides, and the magnet moves along the axial direction of the slide rail under the guidance of a magnet sucker (21) to move and extrude the butt joint position of the steel box girder assembly.
10. The steel box girder tied arch bridge assembly construction method according to claim 7, wherein: when the butt joint part of the steel box girder assembly forms a part needing welding in the longitudinal and transverse directions, corresponding reinforcing ribs in the longitudinal and transverse directions are arranged, and a longitudinal and transverse sliding rail with a magnet capable of sliding in the direction capable of being changed is formed.
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| KR20080110096A (en) * | 2007-06-14 | 2008-12-18 | 엘지전자 주식회사 | A jig for welding of the pipes |
| CN105855762B (en) * | 2016-06-08 | 2017-12-19 | 翟文修 | A kind of welding system based on robot technology |
| CN108927614A (en) * | 2018-08-20 | 2018-12-04 | 扬州市诚智自动化装备有限公司 | A kind of welding robot with laser vision tracking system |
| CN110080119B (en) * | 2019-06-11 | 2023-10-27 | 中铁七局集团有限公司 | Rapid and accurate alignment device used in corrugated steel web cantilever construction |
| CN210967618U (en) * | 2019-09-16 | 2020-07-10 | 江苏三工钢桥股份有限公司 | Welding device for steel structure bridge |
| CN111545957A (en) * | 2020-05-20 | 2020-08-18 | 杜宗英 | Automatic accurate welding workstation of clamp plate for vehicle-mounted operating table |
| CN111774761B (en) * | 2020-06-20 | 2022-03-29 | 中交第二公路勘察设计研究院有限公司 | U rib internal elevation welding system based on multi-segment plug-in platform |
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