A system and method for double-sided lap welding of steel plates
A lap welding, double-sided technology, applied in the direction of welding/welding/cutting items, welding equipment, welding equipment, etc., can solve the problems of troublesome assembly and disassembly, instability, aggravating the difficulty of manual assembly, and the instability of the workpiece to be welded
Active Publication Date: 2022-07-12
北京住总集团有限责任公司
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Problems solved by technology
[0014] However, to realize this technical solution, guide rails must be preset on the wall of the workpiece to be welded, and then removed after the welding is completed. As far as the box-shaped steel structure is concerned, the position to be welded is often at a higher position, and the assembly and disassembly of the rails and welding equipment are difficult. It needs to be done manually, and the assembly and disassembly process is very troublesome; moreover, during the welding process, the welding equipment is only located on one side and needs to move back and forth, which will cause local deformation or even unstable center of gravity of the workpiece to be welded due to unbalanced external force At the same time, the stability of the track must be sufficient to support the welding equipment and its movement, so it is difficult to avoid the irreversible impact on the workpiece to be welded during the installation and use of the track; in addition, as far as this technical solution is concerned, the wire feeding The mechanism, flux recovery system and walking power device are all fixed on the workpiece to be welded together with the welding torch, which increases the difficulty of manual assembly and the instability of the workpiece to be welded
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[0137] After releasing the steel bar 2 to a predetermined position, the free ends 43 of the first clamp 41 and the second clamp 42 are instructed to approach each other, and the first end surface 44 and the second end surface 46 approach each other from both sides of the steel bar 2, both of which are located at Above rebar 2. By driving the second telescopic rod 40 of the mechanical gripper 39 to extend, the first end surface 44 and the second end surface 46 move downward together until they abut on the steel bar 2 . Preferably, the mechanical gripper 39 can determine the timing to stop driving the second telescopic rod 40 to extend by means of a pressure detection component. In another preferred embodiment, since the height distance between the mechanical gripper 39 and the rib plate 11 and the size of the steel bar 2 are known, the mechanical gripper 39 can be calculated based on the above-mentioned known data, and can be determined in advance. The displacement scheme of i...
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The invention relates to a double-sided lap welding system for steel plates, in particular a system for lap welding between upper rib plates and steel bars of box-shaped steel, at least comprising: box-shaped steel, which is fixed and positioned on the ground in a column type; at least one Rib plates, which are respectively fixed on different side walls of the box-shaped steel, and whose plate bodies are all extended out of the box-shaped steel; at least one steel bar, part of which can be placed on the rib plate; and a welding device, characterized in that the welding The device performs the welding operation on the to-be-welded position formed between the steel bar and the rib plate in the manner of being non-wall-mounted on the box-shaped steel.
Description
technical field [0001] The invention relates to the technical field of automatic welding, in particular to a system and method for double-sided lap welding of steel plates. Background technique [0002] The box-shaped steel structure has the advantages of light weight, good plasticity and toughness, and short construction and installation period. It is more and more widely used in steel structure buildings and bridges. Taking the National Stadium Bird's Nest as an example, the unique structure of the Bird's Nest is welded by box-shaped steel, which proves the excellent structural characteristics and good mechanical properties of box-shaped steel. The application of the box-shaped steel structure requires two links: workshop manufacturing and on-site installation. No matter which link is used, welding is an extremely important technology in the box-shaped steel connection process. [0003] With the development of the manufacturing industry towards automation and intelligence...
Claims
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IPC IPC(8): B23K31/02B23K37/00B23K37/02
CPCB23K31/02B23K37/00B23K37/0252B23K2103/04
Inventor 刘文强张建宇刘文亮陈树君郭伟中张华杰刘猛
Owner 北京住总集团有限责任公司