CN103386533A - Method for controlling welding deformation of box column - Google Patents
Method for controlling welding deformation of box column Download PDFInfo
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- CN103386533A CN103386533A CN2013103170527A CN201310317052A CN103386533A CN 103386533 A CN103386533 A CN 103386533A CN 2013103170527 A CN2013103170527 A CN 2013103170527A CN 201310317052 A CN201310317052 A CN 201310317052A CN 103386533 A CN103386533 A CN 103386533A
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Abstract
The invention discloses a method for controlling welding deformation of a box column. The method comprises the following steps of 1) arranging supporting points of which the number is larger than two in an I-stage welding seam area of an optional side of two symmetrical sides of a web plate, wherein the distance between every two supporting points is 30-400 mm, the supporting points protrude out of the edge of the web plate, and the length of the supporting points along the edge of the web plate is 20-40 mm; 2) processing two side edges of the web plate into grooves; 3) assembling the web plate and a frange plate together by taking the supporting points as welding points after groove processing is finished; and 4) welding a base plate on the back surfaces of welding seams in a spot welding way, carrying out backing weld, reserving and enabling the supporting points and 20-mm welding seams which are arranged at two sides of the supporting points not to be welded, removing the supporting points after other welding seams except the supporting points and the 20-mm welding seams which are arranged at the two sides of the supporting points until reaching to the base plate, polishing clearly, and then carrying out backing weld on the supporting points and the 20-mm welding seams which are arranged at the two sides of the supporting points. According to the method disclosed by the invention, the internal quality of the welding seams can be ensured, and the deformation problem of the box column is also solved.
Description
Technical field
The present invention relates to the during welding for steel structure field, especially relate to a kind of method of controlling the box column welding deformation.
Background technology
Box column is industrial building, civil buildings version relatively more commonly used.Be I level weld seam in the bracket position of four road corner connection weld seams of box column shaft and each 600mm length range of both sides, bracket position, require to carry out ultrasonic examination, other position does not require carries out ultrasonic examination.Require the welded seam area of flaw detection, necessary preset clearance, bottom adds backing plate guarantee full penetration, and does not require that the welded seam area of flaw detection does not need preset clearance.So often cause the regional postwelding amount of contraction of preset clearance large, regional postwelding amount of contraction very close to each other is little, causes finally the sectional dimension width of box column to differ, and the physical dimension error is larger, affects the total quality of member.
Summary of the invention
The object of the invention is to, a kind of method of controlling the box column welding deformation is provided, the method efficiency is high, easy construction, precision are controlled high.
For achieving the above object, the present invention has adopted following technical scheme:
A kind of method of controlling the box column welding deformation, described method comprises following steps:
1) on the I level welded seam area on arbitrary limit on the symmetrical both sides of web 1 magnitude setting greater than the strong point 2 of two, 300～the 400mm of being separated by between every two strong points 2, the described strong point 2 protrudes the edge on web 1 limit, and its length along web 1 edge, limit is 20～40mm;
2) edge, both sides of web 1 is processed into groove;
3) after groove machines, take the strong point 2 as solder joint, web 1 and flange plate 7 are fitted together;
4) at weld seam 6 back side spot welding upper padding plates, carry out backing welding, during backing welding, reserving the long weld seam of the strong point 2 and both sides 20mm thereof does not weld, after long other the outer part weld seams of weld seam of point 2 to be supported and both sides 20mm thereof were soldered, the strong point 2 of shooting off, until arrived clearly backing plate, then polishing is clean, then the strong point 2 and the long weld seam of both sides 20mm thereof are carried out the backing welding welding;
Described I level welded seam area refers to the welded seam area of bracket position and both sides 600mm length thereof.
Further, described method is further comprising the steps of:
After step 4) is completed, fill weldering, cosmetic welding.
Described step 2) groove type has two kinds: a kind of is in I level welded seam area, and the finished edge angle is first groove 3 of 35 °, does not stay root face; Another kind is outside I level welded seam area, and the finished edge angle is second groove 4 of 40 °～45 °, keeps root face 5, and root face 5 thickness are 1/2 of web 1 thickness.
In the present invention the length of the strong point and number length setting according to the weld seam that needs in I level welded seam area to detect a flaw is set, preferably, the strong point 2 of three is set, the 400mm of being separated by between every two strong points 2 on the I level welded seam area on the symmetrical both sides of web 1.
Described backing welding adopts CO
2Gas shielded arc welding, also can adopt other welding manners, such as manual welding etc.
CO is adopted in described filling weldering
2Gas shielded arc welding, also can adopt other welding manners, such as manual welding etc.
Described cosmetic welding adopts Lincoln weld.
Described step 4) adopts the carbon arc air gouging strong point 2 of shooting off.
The present invention is with respect to prior art, and its advantage is: by the I level welded seam area at web, the removable strong point is set, can guarantees the weld seam internal soundness, but also really solved box column shaft section deformation problem, improve the member construction quality, saved the duration, improved operating efficiency.
Description of drawings
Fig. 1 is the structural representation of web of the present invention;
Fig. 2 is the structural representation after web of the present invention processes groove;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the B-B cutaway view of Fig. 2;
Fig. 5 is the structural representation that backing welding of the present invention is partly completed trailing web and flange plate;
Wherein, 1, web; 2, the strong point; 3, the first groove; 4, the second groove; 5, root face; 6, weld seam; 7, flange plate.
The specific embodiment
Below the present invention is further detailed explanation with the drawings and specific embodiments.
A kind of method of controlling the box column welding deformation, described method comprises following steps:
1) as shown in Figure 1, on the I level welded seam area on arbitrary limit on the symmetrical both sides of web 1, the strong point 2 of three is set, 300～the 400mm of being separated by between every two strong points 2, the described strong point 2 protrudes web 1 edges, limit, and its length along web 1 edge, limit is 20～40mm;
2) as shown in Figure 2, the edge, both sides of web 1 is processed into groove;
3) after groove machines, take the strong point 2 as solder joint, web 1 and flange plate 7 are fitted together;
4) as shown in Figure 5,, at weld seam 6 back side spot welding upper padding plates, adopt CO
2Gas shielded arc welding carries out backing welding, during backing welding, reserving the long weld seam of the strong point 2 and both sides 20mm thereof does not weld, after long other the outer part weld seams of weld seam of point 2 to be supported and both sides 20mm thereof are soldered, adopt the carbon arc air gouging strong point 2 of shooting off, until arrive clearly backing plate, then the sanding machine polishing is clean, then the strong point 2 and the long weld seam of both sides 20mm thereof are carried out the backing welding welding;
Described I level welded seam area refers to the welded seam area of bracket position and both sides 600mm length thereof.
After step 4) is completed, adopt CO
2Gas shielded arc welding is filled weldering, then adopts Lincoln weld to carry out cosmetic welding.
As shown in Figure 3 and Figure 4, groove type described step 2) has two kinds: a kind of is in I level welded seam area, and the finished edge angle is first groove 3 of 35 °, does not stay root face; Another kind is outside I level welded seam area, and the finished edge angle is second groove 4 of 40 °～45 °, keeps root face 5, and root face 5 thickness are 1/2 of web 1 thickness.
In prior art, be soldered the shaft sectional dimension at rear full penetration place than other 4～6mm that occupies a narrow space, because the per pass weld seam shrinks 2～3mm, yet after adopting the method for the present embodiment, the shaft sectional dimension that is soldered rear full penetration place is compared with other places, shrinks basic identical.
Need to prove, the strong point is set to three in the present embodiment, but in other embodiments, the number of the strong point can change according to need of production, as, be set to four etc.; Secondly, in the present embodiment, that backing welding adopts is CO
2Gas shielded arc welding, but in other embodiments, can adopt as required other welding manners, such as manual welding etc.; That finally, in the present embodiment filling weldering is adopted is CO
2Gas shielded arc welding, in other embodiments, also can adopt other welding manners as required, such as manual welding etc.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described.Although with reference to embodiment, the present invention is had been described in detail, will be understood by those skilled in the art that, technical scheme of the present invention is modified or is equal to replacement, do not break away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (8)
1. method of controlling the box column welding deformation, described method comprises following steps:
1) on the I level welded seam area on arbitrary limit on the symmetrical both sides of web (1) magnitude setting greater than the strong point (2) of two, 300～the 400mm of being separated by between every two strong points (2), the described strong point (2) protrudes the edge on web (1) limit, and its length along web (1) edge, limit is 20～40mm;
2) edge, both sides of web (1) is processed into groove;
3) after groove machines, take the strong point (2) as solder joint, web (1) and flange plate (7) are fitted together;
4) at weld seam (6) back side spot welding upper padding plate, carry out backing welding, during backing welding, reserving the long weld seam of the strong point (2) and both sides 20mm thereof does not weld, after long other the outer weld seams of weld seam of point to be supported (2) and both sides 20mm thereof were soldered, the strong point of shooting off (2), until arrived clearly backing plate, then polishing is clean, then the strong point (2) and the long weld seam of both sides 20mm thereof are carried out the backing welding welding;
Described I level welded seam area refers to the welded seam area of bracket position and both sides 600mm length thereof.
2. the method for control box column welding deformation according to claim 1, is characterized in that, described method is further comprising the steps of:
After step 4) is completed, fill weldering, cosmetic welding.
3. the method for control box column welding deformation according to claim 1 and 2, is characterized in that, described step 2) the groove type have two kinds: a kind of is in I level welded seam area, and the finished edge angle is first groove (3) of 35 °, does not stay root face; Another kind is outside I level welded seam area, and the finished edge angle is second groove (4) of 40 °～45 °, keeps root face (5), and root face (5) thickness is 1/2 of web (1) thickness.
4. the method for control box column welding deformation according to claim 1, is characterized in that, the strong point (2) of three is set, the 400mm of being separated by between every two strong points (2) on the I level welded seam area on the symmetrical both sides of web (1).
5. the method for control box column welding deformation according to claim 1, is characterized in that, described backing welding adopts CO
2Gas shielded arc welding.
6. the method for control box column welding deformation according to claim 1, is characterized in that, described step 4) adopts the carbon arc air gouging strong point (2) of shooting off.
7. the method for control box column welding deformation according to claim 2, is characterized in that, CO is adopted in described filling weldering
2Gas shielded arc welding.
8. the method for control box column welding deformation according to claim 2, is characterized in that, described cosmetic welding adopts Lincoln weld.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310317052.7A CN103386533B (en) | 2013-07-25 | 2013-07-25 | Method for controlling welding deformation of box column |
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| CN201310317052.7A CN103386533B (en) | 2013-07-25 | 2013-07-25 | Method for controlling welding deformation of box column |
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| CN103386533A true CN103386533A (en) | 2013-11-13 |
| CN103386533B CN103386533B (en) | 2015-07-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378203A (en) * | 2017-07-03 | 2017-11-24 | 中国华冶科工集团有限公司 | The welding method of box column |
| CN109175612A (en) * | 2018-10-31 | 2019-01-11 | 山东临工工程机械有限公司 | High-intensitive strength weld welding method |
| CN110695616A (en) * | 2018-07-10 | 2020-01-17 | 北京京盛泰华金属结构有限公司 | Steel structure box column processing technology |
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| SU1660903A1 (en) * | 1988-09-14 | 1991-07-07 | Московский вечерний металлургический институт | Method of making bimetallic pieces |
| JP2004188450A (en) * | 2002-12-10 | 2004-07-08 | Mitsubishi Electric Corp | Weld joint structure |
| JP2004344942A (en) * | 2003-05-23 | 2004-12-09 | Nissan Motor Co Ltd | Method for welding and assembling frame structure |
| CN101048257A (en) * | 2004-07-27 | 2007-10-03 | 欧罗技术股份公司 | Multi-piece part composed of metal element and manufacturing method thereof |
| CN102896472A (en) * | 2012-10-23 | 2013-01-30 | 中国二十二冶集团有限公司 | Manufacturing method for box type pillar beam |
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2013
- 2013-07-25 CN CN201310317052.7A patent/CN103386533B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1660903A1 (en) * | 1988-09-14 | 1991-07-07 | Московский вечерний металлургический институт | Method of making bimetallic pieces |
| JP2004188450A (en) * | 2002-12-10 | 2004-07-08 | Mitsubishi Electric Corp | Weld joint structure |
| JP2004344942A (en) * | 2003-05-23 | 2004-12-09 | Nissan Motor Co Ltd | Method for welding and assembling frame structure |
| CN101048257A (en) * | 2004-07-27 | 2007-10-03 | 欧罗技术股份公司 | Multi-piece part composed of metal element and manufacturing method thereof |
| CN102896472A (en) * | 2012-10-23 | 2013-01-30 | 中国二十二冶集团有限公司 | Manufacturing method for box type pillar beam |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378203A (en) * | 2017-07-03 | 2017-11-24 | 中国华冶科工集团有限公司 | The welding method of box column |
| CN110695616A (en) * | 2018-07-10 | 2020-01-17 | 北京京盛泰华金属结构有限公司 | Steel structure box column processing technology |
| CN109175612A (en) * | 2018-10-31 | 2019-01-11 | 山东临工工程机械有限公司 | High-intensitive strength weld welding method |
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| CN103386533B (en) | 2015-07-08 |
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Effective date of registration: 20220411 Address after: 271104 No.1 Nanling street, Gangcheng District, Jinan City, Shandong Province Patentee after: CONSTRUCTION AND INSTALLATION BRANCH COMPANY OF LAIGANG CONSTRUCTION Co.,Ltd. Address before: 266101 No. 139 Zhuzhou Road, Laoshan District, Qingdao, Shandong. Patentee before: SHANDONG LAIGANG CONSTRUCTION Co.,Ltd. |
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