CN114178663A - Submerged arc horizontal welding tool and welding method - Google Patents
Submerged arc horizontal welding tool and welding method Download PDFInfo
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- CN114178663A CN114178663A CN202111538246.0A CN202111538246A CN114178663A CN 114178663 A CN114178663 A CN 114178663A CN 202111538246 A CN202111538246 A CN 202111538246A CN 114178663 A CN114178663 A CN 114178663A
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- welding
- submerged arc
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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
- B23K9/00—Arc welding or cutting
- B23K9/18—Submerged-arc welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/133—Means for feeding electrodes, e.g. drums, rolls, motors
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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
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a submerged arc horizontal welding tool and a welding method, wherein the submerged arc horizontal welding tool comprises a guide rail bracket and a welding flux bracket, wherein the guide rail bracket comprises two independent angle-shaped brackets which are arranged in parallel; one end of the angle bracket, which is close to the steel beam wing plate, is fixed on the steel beam wing plate through a U-shaped clamp and locked through a bolt; the welding flux bracket comprises an L-shaped connecting plate and a bracket, wherein a vertical plate of the L-shaped connecting plate is fixed on a steel beam wing plate; the bracket is positioned on the transverse plate of the L-shaped connecting plate and is suitable for placing welding flux; the horizontal placing surface formed by the two angle-shaped brackets is suitable for placing the submerged arc welding trolley. The submerged arc transverse welding tool is simple in structure, low in manufacturing cost and easy to popularize and use; and moreover, automatic submerged-arc welding at the transverse welding position can be realized, and the welding cost is effectively reduced.
Description
Technical Field
The invention relates to the technical field of welding processes, in particular to a submerged arc horizontal welding tool and a welding method.
Background
Manual welding is applied in a large amount in the manufacturing, pre-assembling and installing sites of the steel structural members, the welding efficiency is low, the manual welding is more and more uneconomical along with the continuous increase of the cost of welders, and the discussion of the automatic welding in the installing and constructing sites has urgent practical significance.
The submerged arc welding has high welding efficiency and good welding seam quality, is a common welding mode in the welding process of steel structural members, but the existing submerged arc welding is only used for a flat welding position, and the welding of a construction site is almost a horizontal welding position, so that a submerged arc horizontal welding tool and a submerged arc horizontal welding method need to be designed.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects of low welding efficiency and high cost of a manual welding mode of a steel structural member in the prior art, so that the submerged arc horizontal welding tool and the welding method are provided.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a submerged arc horizontal welding tool comprises:
the guide rail bracket comprises two independent and parallel angular supports, and each angular support comprises a horizontal guide rod and an inclined stay bar connected to one end of the horizontal guide rod, which is far away from a steel beam wing plate; one ends of the horizontal guide rods and the inclined support rods, which are close to the steel beam wing plates, are fixed on the steel beam wing plates through U-shaped clamps and locked through bolts;
the welding flux bracket is positioned above the horizontal guide rod and comprises an L-shaped connecting plate and a bracket, and a vertical plate of the L-shaped connecting plate is fixed on the steel beam wing plate; the bracket is positioned above the transverse plate of the L-shaped connecting plate and is suitable for placing welding flux;
and the submerged arc welding trolley is placed on a horizontal placing surface formed by the two horizontal guide rods.
Further, the edge of the bracket is provided with an arc-shaped baffle plate for preventing the outflow of the welding agent.
Furthermore, fiber cloth is laid above the bracket.
Furthermore, two length adjustment grooves are formed in a vertical plate of the L-shaped connecting plate, each length adjustment groove is connected with a jacking piece in a sliding mode, and the jacking pieces are connected with jacking nuts which are used for fixing the jacking pieces to the side edges of wing plates of the steel beams.
Further, the top member is L-shaped; the transverse part of the top tightening piece penetrates through the length adjusting groove, and the top tightening nut is in threaded connection with the longitudinal part of the top tightening piece.
A submerged arc horizontal welding method comprises the following steps:
installing the submerged arc transverse welding tool on a wing plate of a steel beam to be welded;
adjusting the welding gun angle of a welding gun on the submerged arc welding trolley according to the welding form;
and starting the submerged arc welding trolley to adjust the welding parameters of a welding gun on the submerged arc welding trolley according to the size of the submerged arc welding wire, and starting welding.
Further, when the welding form is single layer single pass welding, the welding gun angle of the welding gun on the submerged arc welding trolley is adjusted to be 30 +/-3 ℃ relative to the welding gun angle of the lower groove of the welding bead.
Further, when the welding form is multilayer multi-pass welding, the welding gun angle of the welding gun on the submerged arc welding trolley is adjusted to be 20 +/-3 ℃ relative to the welding gun angle of the upper groove of the welding bead.
Further, when the outer diameter of the submerged arc welding wire is 4.8mm, the welding parameters of the welding gun on the submerged arc welding trolley are set as follows: the welding current range is 650-730A, the welding voltage range is 26-30V, and the welding speed range is 62-78 cm/min.
The technical scheme of the invention has the following advantages:
1. according to the submerged arc horizontal welding tool, the guide rail bracket and the welding flux bracket are fixed on the steel beam wing plate to be welded, the submerged arc welding trolley can be placed on the guide rail bracket, and the welding flux can be placed on the welding flux bracket; the welding wire sent by a welding gun on the submerged arc welding trolley extends into the welding flux, the welding flux is melted and evaporated under the action of electric arc to form gas, a closed cavity is formed around the electric arc, external air is isolated, the electric arc is stably combusted in the cavity, the welding wire is continuously sent, and the welding wire is mixed with a steel beam wing plate after being melted to form a welding line. The submerged arc transverse welding tool has the advantages of simple structure, low manufacturing cost and easy popularization and use; and moreover, submerged-arc automatic welding at the transverse welding position can be realized, and the welding cost is reduced.
2. The submerged-arc transverse welding method provided by the invention can realize automatic submerged-arc welding at the transverse welding position on a construction site, and has the advantages of high welding efficiency and good welding seam quality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a connecting structure of a submerged arc horizontal welding tool and a steel beam wing plate in an embodiment of the invention;
fig. 2 is a schematic view of an overall structure of a submerged arc horizontal welding tool in operation according to an embodiment of the present invention.
Description of reference numerals: 1. a rail bracket; 101. a horizontal guide rod; 102. a diagonal brace; 2. a steel beam wing plate; 201. an upper groove; 202. a lower groove; 3. a U-shaped card; 4. a bolt; 5. an L-shaped connecting plate; 51. a length adjustment groove; 6. a bracket; 7. a submerged arc welding trolley; 71. a welding gun; 8. an arc-shaped baffle plate; 9. fiber cloth; 10. a top tightening member; 11. and (6) tightly pushing the nut.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.
A submerged arc horizontal welding tool shown in figures 1 and 2 comprises a guide rail bracket 1, a welding flux bracket and a submerged arc welding trolley 7. The guide rail bracket 1 comprises two independent and parallel angle-shaped brackets, and each angle-shaped bracket comprises a horizontal guide rod 101 and an inclined strut 102 integrally formed at one end of the horizontal guide rod 101, which is far away from the steel beam wing plate 2; one ends of the horizontal guide rods 101 and the inclined support rods 102 close to the steel beam wing plates 2 are fixed on the steel beam wing plates 2 through U-shaped clamps 3 and are locked through bolts 4. The welding flux bracket is positioned above the horizontal guide rod 101 and comprises an L-shaped connecting plate 5 and a bracket 6, and a vertical plate of the L-shaped connecting plate 5 is fixed on the steel beam wing plate 2; the bracket 6 is fixed above the transverse plate of the L-shaped connecting plate 5, and the bracket 6 is suitable for placing welding flux. The submerged arc welding trolley 7 is placed on a horizontal placing surface formed by two horizontal guide rods 101, and the welding gun 71 on the submerged arc welding trolley 7 is in a welding gun angle of 30 +/-3 ℃ or 20 +/-3 ℃ relative to a welding bead groove during working.
In this embodiment, the edge of the bracket 6 is integrally formed with the arc-shaped baffle 8, and a high-temperature-resistant fabric 9 is laid over the bracket 6. The arc-shaped baffle 8 can prevent the welding agent on the bracket 6 from flowing outwards, and the fiber cloth 9 can adsorb the welding agent, so that the loss of the welding agent on the bracket 6 is reduced.
In this embodiment, two length adjustment grooves 51 are formed in the vertical plate of the L-shaped connecting plate 5, each length adjustment groove 51 is slidably connected with a tightening member 10, and the tightening member 10 is connected with a tightening nut 11 for fixing the tightening member 10 on the side edge of the steel beam wing plate 2. Specifically, the tightening part 10 is L-shaped; the transverse part of the top tightening member 10 is arranged on the length adjusting groove 51 in a penetrating mode, the top tightening nut 11 is connected to the longitudinal part of the top tightening member 10 in a threaded mode, and one end, penetrating out of the length adjusting groove 51, of the transverse part is connected with the top tightening nut 11. Two top piece 10 adjustable structural design on L type connecting plate 5 can be according to two top piece 10 positions on L type connecting plate 5 of width adjustment of girder steel pterygoid lamina 2, ensures that two top piece 10 block respectively at the both ends edge of girder steel pterygoid lamina 2, can be applicable to not unidimensional girder steel pterygoid lamina 2, reinforcing practicality.
According to the submerged arc horizontal welding tool, the guide rail bracket 1 and the welding flux bracket are fixed on the steel beam wing plate 2 to be welded, the submerged arc welding trolley 7 can be placed on the guide rail bracket 1, and the welding flux can be placed on the welding flux bracket; the welding wire sent by the welding gun 71 on the submerged arc welding trolley 7 extends into the welding flux, the welding flux is melted and evaporated under the action of the electric arc to form gas, a closed cavity is formed around the electric arc to isolate external air, the electric arc is stably burnt in the cavity, the welding wire is continuously sent, and the welding wire is mixed with the steel beam wing plate 2 after being melted to form a welding seam. The submerged arc transverse welding tool has the advantages of simple structure, low manufacturing cost and easy popularization and use; and moreover, submerged-arc automatic welding at the transverse welding position can be realized, and the welding cost is reduced.
The embodiment of the invention also provides a submerged arc horizontal welding method, which comprises the following steps:
and S1, mounting the submerged arc transverse welding tool on the wing plate of the steel beam to be welded. Specifically, in a construction site, a corner bracket is firstly installed on a steel beam wing plate 2, a U-shaped clamp 3 on the corner bracket is sleeved on the edge of the steel beam wing plate 2, the U-shaped clamp 3 is fixed by using a bolt 4, so that the corner bracket is fixed on the steel beam wing plate 2, then the other corner bracket is installed, and the tops of the two corner brackets are ensured to be flush when the corner bracket is installed; then, installing a welding flux bracket, adjusting the positions of the two top fastening pieces 10 on the two length adjusting grooves 51 to ensure that the two top fastening pieces 10 are just clamped at the two side edges of the steel beam wing plate 2, and then fixing the top fastening pieces 10 by using top fastening nuts 11, namely fixing the welding flux bracket on the steel beam wing plate 2; and finally, placing the submerged arc welding trolley 7 on a horizontal placing surface formed by a pair of angle-shaped supports.
And S2, adjusting the welding gun angle of the welding gun 71 on the submerged arc welding trolley 7 according to the welding form. Specifically, when the welding mode is single layer single pass welding, the welding torch angle of the welding torch 71 on the submerged arc welding carriage 7 is adjusted so that the welding torch angle of the welding torch 71 with respect to the lower groove 202 of the weld bead is 30 ± 3 ℃. When the welding form is multilayer multi-pass welding, the welding torch angle of the welding torch 71 on the submerged arc welding carriage 7 is adjusted so that the welding torch angle of the welding torch 71 with respect to the upper groove 201 of the weld bead is 20 ± 3 ℃. The design is favorable for ensuring the welding quality of the welding seam.
And S3, starting up to adjust the welding parameters of the welding gun 71 on the submerged arc welding trolley 7 according to the size of the submerged arc welding wire, and starting welding. For example, when the outer diameter of the submerged arc welding wire is 4.8mm, the welding parameters of the welding torch 71 on the submerged arc welding carriage 7 are set to: the welding current range is 650-730A, the welding voltage range is 26-30V, and the welding speed range is 62-78 cm/min.
The submerged-arc transverse welding method can realize automatic submerged-arc welding at a transverse welding position on a construction site, and is favorable for improving the welding efficiency and the welding seam quality by setting specific welding parameters.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (9)
1. The utility model provides a welding frock is violently welded to submerged arc which characterized in that includes:
the guide rail bracket (1) comprises two independent and parallel angular brackets, and each angular bracket comprises a horizontal guide rod (101) and an inclined stay bar (102) connected to one end, far away from the steel beam wing plate (2), of the horizontal guide rod (101); one ends, close to the steel beam wing plates (2), of the horizontal guide rods (101) and the inclined support rods (102) are fixed on the steel beam wing plates (2) through U-shaped clamps (3) and locked through bolts (4);
the welding flux bracket is positioned above the horizontal guide rod (101) and comprises an L-shaped connecting plate (5) and a bracket (6), and the vertical plate of the L-shaped connecting plate (5) is fixed on the steel beam wing plate (2); the bracket (6) is positioned above a transverse plate of the L-shaped connecting plate (5) and is suitable for placing welding flux;
and the submerged arc welding trolley (7) is placed on a horizontal placing surface formed by the two horizontal guide rods (101).
2. Submerged cross beam welding fixture according to claim 1, characterized in that the edge of the bracket (6) is provided with a curved baffle (8) for preventing outflow of the welding agent.
3. Submerged arc cross flow welding fixture according to claim 1, characterized in that a fiber cloth (9) is laid above the bracket (6).
4. The submerged arc cross-beam welding tool according to claim 1, characterized in that two length adjusting grooves (51) are formed in the vertical plate of the L-shaped connecting plate (5), each length adjusting groove (51) is connected with an abutting piece (10) in a sliding mode, and an abutting nut (11) for fixing the abutting piece (10) on the side edge of the steel beam wing plate (2) is connected onto the abutting piece (10).
5. The submerged arc cross welding tool according to claim 4, characterized in that the top member (10) is L-shaped; the transverse part of the tightening member (10) is arranged on the length adjusting groove (51) in a penetrating mode, and the tightening nut (11) is connected to the longitudinal part of the tightening member (10) in a threaded mode.
6. A submerged-arc transverse welding method is characterized by comprising the following steps:
installing the submerged arc transverse welding tool according to any one of claims 1 to 5 on a wing plate of a steel beam to be welded;
adjusting the welding gun angle of a welding gun (71) on the submerged arc welding trolley (7) according to the welding form;
and starting up to adjust welding parameters of a welding gun (71) on the submerged arc welding trolley (7) according to the size of the submerged arc welding wire, and starting welding.
7. Submerged arc cross welding method according to claim 6, characterized in that when the welding form is single layer single pass welding, the welding torch angle of the welding torch (71) on the submerged arc welding carriage (7) is adjusted so that the welding torch angle of the welding torch (71) with respect to the lower groove (202) of the weld bead is 30 ± 3 ℃.
8. The submerged arc horizontal arc welding method according to claim 6, characterized in that when the welding form is multi-pass welding in multiple layers, the welding torch angle of the welding torch (71) on the submerged arc welding carriage (7) is adjusted so that the welding torch angle of the welding torch (71) with respect to the upper groove (201) of the weld bead is 20 ± 3 ℃.
9. The submerged arc welding method according to claim 6, characterized in that when the outer diameter of the submerged arc welding wire is 4.8mm, the welding parameters of the welding torch (71) on the submerged arc welding carriage (7) are set to: the welding current range is 650-730A, the welding voltage range is 26-30V, and the welding speed range is 62-78 cm/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111538246.0A CN114178663B (en) | 2021-12-15 | 2021-12-15 | Submerged arc transverse welding tool and welding method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111538246.0A CN114178663B (en) | 2021-12-15 | 2021-12-15 | Submerged arc transverse welding tool and welding method |
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| Publication Number | Publication Date |
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| CN114178663A true CN114178663A (en) | 2022-03-15 |
| CN114178663B CN114178663B (en) | 2023-09-26 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201913363U (en) * | 2011-01-09 | 2011-08-03 | 北京首钢建设集团有限公司 | Auxiliary adjusting support for automatic submerged-arc horizontal welder |
| CN109227022A (en) * | 2018-11-23 | 2019-01-18 | 重庆科技学院 | Submerged-arc welding horizontal position welding position welding tooling and its clamping structure |
| CN110560985A (en) * | 2019-09-27 | 2019-12-13 | 广船国际有限公司 | Ship welding tool |
| CN211438568U (en) * | 2019-12-05 | 2020-09-08 | 营口中桩建材有限公司 | Automatic welding machine |
| CN113600980A (en) * | 2021-07-30 | 2021-11-05 | 广船国际有限公司 | Welding tool |
-
2021
- 2021-12-15 CN CN202111538246.0A patent/CN114178663B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201913363U (en) * | 2011-01-09 | 2011-08-03 | 北京首钢建设集团有限公司 | Auxiliary adjusting support for automatic submerged-arc horizontal welder |
| CN109227022A (en) * | 2018-11-23 | 2019-01-18 | 重庆科技学院 | Submerged-arc welding horizontal position welding position welding tooling and its clamping structure |
| CN110560985A (en) * | 2019-09-27 | 2019-12-13 | 广船国际有限公司 | Ship welding tool |
| CN211438568U (en) * | 2019-12-05 | 2020-09-08 | 营口中桩建材有限公司 | Automatic welding machine |
| CN113600980A (en) * | 2021-07-30 | 2021-11-05 | 广船国际有限公司 | Welding tool |
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| CN114178663B (en) | 2023-09-26 |
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