CN110900082A - Large I-beam welding platform and welding method - Google Patents
Large I-beam welding platform and welding method Download PDFInfo
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- CN110900082A CN110900082A CN201911289798.5A CN201911289798A CN110900082A CN 110900082 A CN110900082 A CN 110900082A CN 201911289798 A CN201911289798 A CN 201911289798A CN 110900082 A CN110900082 A CN 110900082A
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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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- 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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Abstract
The invention provides a large I-beam welding platform and a welding method, wherein the large I-beam welding platform comprises a first I-beam and a second I-beam which are arranged in parallel, a plurality of connecting plates are arranged between the first I-beam and the second I-beam, the first I-beam and the second I-beam are connected through the plurality of connecting plates, a positioning device is arranged above the connecting plates, the large I-beam is arranged in the positioning device, the end surface of the large I-beam is supported through a cushion block, and the side surface of the large I-beam is locked and fixed through a bolt; ensure to be in same horizontal plane between every positioner, the first riser and the perpendicular to diaphragm of second riser among every positioner, the bolt on the second riser is used for locking the right side board of large-scale I-beam, place large-scale I-beam on this platform, straightness and the depth of parallelism of hanging down between each plate when can guaranteeing the welding, locking is fixed firm, and welding deformation is little, accomplishes the frock location, presss from both sides tightly, one step with the size dress welds and targets in place.
Description
Technical Field
The invention relates to the technical field of beam part welding, in particular to a large I-beam welding platform and a welding method.
Background
The large-scale beam parts are mainly applied to steel bridges, the length of the parts is long and basically more than 10 meters, and the requirements on flatness and straightness are extremely high. The existing welding of the parts mainly adopts a large welding platform and welds the parts by a method of an angle square, and has the defects of high equipment investment, difficulty in controlling the size of a large I-beam or an H-beam, unpredictable deformation, large correction workload after welding and high rework rate.
Disclosure of Invention
The invention mainly aims to provide a large I-beam welding platform and a welding method, and solves the problems that the equipment investment of the existing welding platform is high, the size control of a large I-beam or an H-beam is difficult to grasp, the deformation cannot be predicted, the correction workload is large after welding, and the rework rate is high.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a large-scale I-beam welded platform, is equipped with a plurality of connecting plates including first I-steel and the second I-steel of putting side by side between first I-steel and the second I-steel, first I-steel is connected through a plurality of connecting plates with the second I-steel, the connecting plate top is equipped with positioner, large-scale I-beam shape is placed in positioner, and large-scale I-beam shape terminal surface passes through the cushion and supports, and large-scale I-beam shape side is fixed through bolt locking.
In the preferred scheme, the diaphragm among the positioner is established in the connecting plate top, and diaphragm top both sides are equipped with first riser and second riser.
In the preferred scheme, a first rib plate is arranged on one side of the first vertical plate and is connected with the first vertical plate and the transverse plate, a second rib plate is arranged on one side of the second vertical plate and is connected with the second vertical plate and the transverse plate.
In the preferred scheme, a plurality of bolts are arranged on the second vertical plate, penetrate through the second vertical plate and abut against one side of the large I-beam and are locked.
In a preferred scheme, the first vertical plate and the second vertical plate are perpendicular to the transverse plate.
In a preferable scheme, the positioning devices above the connecting plates are in the same horizontal plane.
In the preferred scheme, a threaded shaft in the cushion block is in threaded connection with the transverse plate, and a circular truncated cone supporting part in the cushion block supports against and supports the large I-beam shape.
The method comprises the following steps: s1, the left side plate abuts against the first vertical plate;
s2, adjusting the height of the cushion block according to the welding height requirement of the support plate;
s3, placing the supporting plate on the cushion block, wherein one end of the supporting plate abuts against the left side plate;
s4, abutting the right side plate against the other end of the supporting plate, abutting against the right side plate through an adjusting bolt and pressing tightly;
s5, welding the contact surfaces of the right side plate, the support plate and the left side plate;
s6, loosening the bolts, and hoisting the large I-beam subjected to primary welding to a station of a submerged arc welding machine for external full-weld reinforcement.
The invention provides a large I-beam welding platform and a welding method, wherein a welding platform base is reinforced by connecting two I-beams through a connecting plate, the stability of the base is ensured, a plurality of positioning devices are uniformly arranged on the basis of the two I-beams, the position between each positioning device is ensured to be in the same horizontal plane, a first vertical plate and a second vertical plate in each positioning device are perpendicular to a transverse plate and are used as the welding reference of the large I-beam, a bolt on the second vertical plate is used for locking a right side plate of the large I-beam, the stability and the connectivity during welding are ensured, the large I-beam is placed on the platform, the perpendicularity and the parallelism between plates during welding can be ensured, the locking and the fixing are firm, the welding deformation is small, the positioning and the clamping of a tool are realized, the size is welded in place by one step, and the flatness and the straightness of the welded beam are all checked and accepted once, is suitable for popularization and application.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a general structural view of the present invention;
FIG. 2 is a view of the positioning device of the present invention;
FIG. 3 is an I-beam installation view of the present invention;
FIG. 4 is an elevational view of the I-beam of the present invention installed;
in the figure: a first I-beam 1; a connecting plate 2; a second i-beam 3; a positioning device 4; a transverse plate 401; a first web 402; a first riser 403; a second riser 404; a second rib plate 405; a bolt 406; a cushion block 407; a left side plate 5; a right side plate 6; and a support plate 7.
Detailed Description
Example 1
As shown in fig. 1 to 4, a large-scale i-beam welding platform comprises a first i-beam 1 and a second i-beam 3 which are arranged in parallel, a plurality of connecting plates 2 are arranged between the first i-beam 1 and the second i-beam 3, the first I-shaped steel 1 and the second I-shaped steel 3 are connected through a plurality of connecting plates 2, a positioning device 4 is arranged above the connecting plates 2, the large I-beam is placed in the positioning device 4, the end surface of the large I-beam is supported by a cushion block 407, the side surface of the large I-beam is locked and fixed by a bolt 406, with the structure, the platform base is connected by the first I-steel 1 and the second I-steel 3 through the connecting plates 2, the stability and the levelness of the base are ensured, the levelness also needs to be ensured among the positioning devices 4 arranged on the base, the large I-beam welded by taking the positioning device 4 as a reference can have higher verticality and levelness.
In a preferable scheme, the transverse plate 401 in the positioning device 4 is arranged above the connecting plate 2, and the first vertical plate 403 and the second vertical plate 404 are arranged on two sides above the transverse plate 401, so that the structure is adopted, the distance between the first vertical plate 403 and the second vertical plate 404 is larger than the width of the large I-beam, the large I-beam can be conveniently placed on the positioning device 4 for welding, the distance between the first vertical plate 403 and the second vertical plate 404 can be adjusted when the large I-beams with different widths are welded, and the large I-beam welding device is suitable for large I-beams with various widths.
In the preferred scheme, one side of the first vertical plate 403 is provided with a first rib plate 402, the first rib plate 402 is connected with the first vertical plate 403 and the transverse plate 401, one side of the second vertical plate 404 is provided with a second rib plate 405, and the second rib plate 405 is connected with the second vertical plate 404 and the transverse plate 401, so that the structure can ensure the service life of the welding platform, avoid the damage to the verticality of the first vertical plate 403, the second vertical plate 404 and the transverse plate 401 during the welding of a large I-beam, and increase the first rib plate 402 and the second rib plate 405 to reinforce the positioning device 4, thereby greatly prolonging the service life.
In a preferable scheme, a plurality of bolts 406 are arranged on the second vertical plate 404, and the bolts 406 penetrate through the second vertical plate 404 and abut against one side of the large I-shaped beam and are locked, so that the structure is realized, the right side plate 8 abuts against the support plate 7 through the plurality of bolts 406, the overall size of the large I-shaped beam is controlled, the abutting welding is firm, and the deformation is small.
In a preferable scheme, the first vertical plate 403 and the second vertical plate 404 are perpendicular to the transverse plate 401, so that the overall welding size and perpendicularity of the large I-beam are guaranteed.
In the preferred scheme, the positioning devices 4 above the connecting plates 2 are positioned on the same horizontal plane, so that the structure ensures the overall welding size and levelness of the large I-beam.
In a preferable scheme, a threaded shaft in the cushion block 407 is in threaded connection with the transverse plate 401, and a circular truncated cone supporting portion in the cushion block 407 supports against and supports a large I-beam shape, so that the height of the cushion block 407 is adjusted by rotation, the height of the supporting plate 7 between the left side plate 5 and the right side plate 6 is adjusted, and the supporting stability of the circular truncated cone supporting portion is guaranteed.
Example 2
As further described with reference to embodiment 1, as shown in fig. 1 to 4, when the i-beam is assembled and welded, the left side plate 5 abuts against the first vertical plate 403; the height of the cushion block 407 is adjusted according to the welding height requirement of the supporting plate 7; placing the support plate 7 on the cushion block 407, wherein one end of the support plate 7 abuts against the left side plate 5; the right side plate 6 is abutted against the other end of the support plate 7, and is abutted against the right side plate 6 through an adjusting bolt 406 and is tightly pressed; welding the contact surfaces of the right side plate 6, the support plate 7 and the left side plate 5; and (4) loosening the bolts 406, hoisting the large I-beam subjected to primary welding to a station of a submerged arc welding machine for external full-weld reinforcement, wherein the H-shaped beam and the I-beam are welded in the same method.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (8)
1. The utility model provides a large-scale I-beam welded platform which characterized by: including first I-steel (1) and second I-steel (3) of putting side by side, be equipped with a plurality of connecting plates (2) between first I-steel (1) and second I-steel (3), first I-steel (1) is connected through a plurality of connecting plates (2) with second I-steel (3), connecting plate (2) top is equipped with positioner (4), large-scale I-beam shape is placed in positioner (4), and large-scale I-beam shape terminal surface passes through cushion (407) and supports, and large-scale I-beam shape side is fixed through bolt (406) locking.
2. The large i-beam welding platform of claim 1, wherein: the transverse plate (401) in the positioning device (4) is arranged above the connecting plate (2), and a first vertical plate (403) and a second vertical plate (404) are arranged on two sides above the transverse plate (401).
3. The large i-beam welding platform of claim 2, wherein: one side of the first vertical plate (403) is provided with a first rib plate (402), the first rib plate (402) is connected with the first vertical plate (403) and the transverse plate (401), one side of the second vertical plate (404) is provided with a second rib plate (405), and the second rib plate (405) is connected with the second vertical plate (404) and the transverse plate (401).
4. The large i-beam welding platform of claim 2, wherein: and a plurality of bolts (406) are arranged on the second vertical plate (404), and the bolts (406) pass through the second vertical plate (404) and abut against one side of the large I-beam and are locked.
5. The large i-beam welding platform of claim 2, wherein: the first riser (403) and the second riser (404) are perpendicular to the cross plate (401).
6. The large i-beam welding platform of claim 1, wherein: the positioning devices (4) above the connecting plates (2) are positioned on the same horizontal plane.
7. A large i-beam welding platform according to claim 1 or 2, characterized in that: and a threaded shaft in the cushion block (407) is in threaded connection with the transverse plate (401), and a circular truncated cone supporting part in the cushion block (407) supports against and supports a large I-beam shape.
8. A method of welding I-beams for a large I-beam welding platform according to any one of claims 1 to 7, the method comprising:
s1, the left side plate (5) abuts against the first vertical plate (403);
s2, adjusting the height of the cushion block (407) according to the welding height requirement of the support plate (7);
s3, placing the supporting plate (7) on the cushion block (407), wherein one end of the supporting plate (7) abuts against the left side plate (5);
s4, abutting the right side plate (6) against the other end of the supporting plate (7), abutting against the right side plate (6) through an adjusting bolt (406) and pressing tightly;
s5, welding the contact surfaces of the right side plate (6), the support plate (7) and the left side plate (5);
s6, loosening the bolts (406), and hoisting the large I-beam subjected to primary welding to a submerged arc welding machine station for external full-weld reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911289798.5A CN110900082A (en) | 2019-12-16 | 2019-12-16 | Large I-beam welding platform and welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911289798.5A CN110900082A (en) | 2019-12-16 | 2019-12-16 | Large I-beam welding platform and welding method |
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| Publication Number | Publication Date |
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| CN110900082A true CN110900082A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911289798.5A Pending CN110900082A (en) | 2019-12-16 | 2019-12-16 | Large I-beam welding platform and welding method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111250919A (en) * | 2020-03-31 | 2020-06-09 | 中国船舶重工集团柴油机有限公司 | Non-standard H-shaped steel assembling and positioning clamp and positioning method |
| CN111940980A (en) * | 2020-08-20 | 2020-11-17 | 广东省科学院中乌焊接研究所 | Sheet welding tool clamp and using method thereof |
| CN112404892A (en) * | 2020-10-21 | 2021-02-26 | 宜昌江峡船用机械有限责任公司 | Manufacturing method and tool for large rod piece |
| CN112475648A (en) * | 2020-11-26 | 2021-03-12 | 西安鑫垚陶瓷复合材料有限公司 | Rivet welding anti-deformation tool and method for ceramic matrix composite structural member |
| CN113500339A (en) * | 2021-07-26 | 2021-10-15 | 中国铁建重工集团股份有限公司 | Welding tool for long straight workpiece |
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| KR20110129368A (en) * | 2011-11-14 | 2011-12-01 | 현대중공업 주식회사 | Fit-up device for h-type steel beam |
| CN106736076A (en) * | 2016-12-28 | 2017-05-31 | 中国二冶集团有限公司 | A kind of steel construction box beam, the assembling apparatus of post |
| CN206883106U (en) * | 2017-07-11 | 2018-01-16 | 湖北龙星钢构有限公司 | A kind of I-steel positioning tool |
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Patent Citations (5)
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| CN201799812U (en) * | 2010-10-08 | 2011-04-20 | 中国一冶集团有限公司 | Device used for preventing the distortion by the welding steel box column (beam) assembly and welding |
| KR20110129368A (en) * | 2011-11-14 | 2011-12-01 | 현대중공업 주식회사 | Fit-up device for h-type steel beam |
| CN106736076A (en) * | 2016-12-28 | 2017-05-31 | 中国二冶集团有限公司 | A kind of steel construction box beam, the assembling apparatus of post |
| CN206883106U (en) * | 2017-07-11 | 2018-01-16 | 湖北龙星钢构有限公司 | A kind of I-steel positioning tool |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111250919A (en) * | 2020-03-31 | 2020-06-09 | 中国船舶重工集团柴油机有限公司 | Non-standard H-shaped steel assembling and positioning clamp and positioning method |
| CN111250919B (en) * | 2020-03-31 | 2022-03-22 | 中国船舶重工集团柴油机有限公司 | Non-standard H-shaped steel assembling and positioning clamp and positioning method |
| CN111940980A (en) * | 2020-08-20 | 2020-11-17 | 广东省科学院中乌焊接研究所 | Sheet welding tool clamp and using method thereof |
| CN112404892A (en) * | 2020-10-21 | 2021-02-26 | 宜昌江峡船用机械有限责任公司 | Manufacturing method and tool for large rod piece |
| CN112475648A (en) * | 2020-11-26 | 2021-03-12 | 西安鑫垚陶瓷复合材料有限公司 | Rivet welding anti-deformation tool and method for ceramic matrix composite structural member |
| CN113500339A (en) * | 2021-07-26 | 2021-10-15 | 中国铁建重工集团股份有限公司 | Welding tool for long straight workpiece |
| CN113500339B (en) * | 2021-07-26 | 2022-11-18 | 中国铁建重工集团股份有限公司 | Welding tool for long straight workpiece |
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