CN102240863B - Method for welding box-shaped column - Google Patents
Method for welding box-shaped column Download PDFInfo
- Publication number
- CN102240863B CN102240863B CN201110195857.XA CN201110195857A CN102240863B CN 102240863 B CN102240863 B CN 102240863B CN 201110195857 A CN201110195857 A CN 201110195857A CN 102240863 B CN102240863 B CN 102240863B
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- Prior art keywords
- welding
- web
- dividing plate
- electroslag
- plate
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- 238000003466 welding Methods 0.000 title claims abstract description 84
- 238000005192 partition Methods 0.000 claims abstract 4
- 210000003371 Toes Anatomy 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005755 formation reaction Methods 0.000 claims description 2
- 230000000875 corresponding Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000002893 slag Substances 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000003754 machining Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000002708 enhancing Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Abstract
The invention discloses a method for welding a box-shaped column, which comprises a process for welding the box-shaped column and a method for welding a weld joint between a partition plate and a wing plate by electric slag welding. The box-shaped column comprises a web plate, the wing plate and the partition plate. The weld joint between the partition plate and the wing plate of the box-shaped column is welded by the electric slag welding method, and the overall welding process of the box-shaped column is analyzed and optimized based on the method. Thus, the process route is simple and accurate; and the method has the advantages of reducing manufacturing difficulty, improving processing precision, improving production efficiency and improving the quality of members.
Description
Background technology
Box column has obtained extensive use as the structural column of skyscraper, in steel construction, box column need be connected with the girder steel of each floor, the region that box column is connected with girder steel is node, for guaranteeing the structural stability of box column and the good stress at contact place, Code for design of steel structures GB50017-2003 regulation: place need arrange lateral partitions at box column inner contact, the center line of lateral partitions should be aimed at flange of beam center line, should adopt the butt weld of through welding T-shape to be connected with post wing plate, in the time of cannot carrying out electric arc welding, should adopt electroslag welding to weld.The problem existing is, adopts the different welding orders of different box column welding procedures and dividing plate and wing plate or dividing plate and web, will directly affect the quality of machining accuracy, production efficiency and the member of box column.
Summary of the invention
The welding method that a kind of box column of providing for the deficiencies in the prior art is provided, the present invention adopts the weld seam between dividing plate and wing plate the method for electroslag welding, and for the method analysis optimization, go out the integral solder technique of box column, its process route is simple, accurate, there is reduction manufacture difficulty, improve machining accuracy, enhance productivity and improve the advantage of component quality.
The concrete technical scheme that realizes the object of the invention is:
A welding method for box column, its feature comprises the welding procedure of box column and by the method for weld seam between electroslag welding welding diaphragm and wing plate, described box column is comprised of web, wing plate and dividing plate, and concrete steps are as follows:
A), blanking: press the figure paper size of box column, use numerical control cutting machine blanking, comprise two of webs, two of wing plates and dividing plate several pieces;
B), processing weld groove: make the weld seam of web, cutting on the position of dividing plate is set at web and draws blow-out mouth, cut longitudinal joint groove on all the other positions of web side; Make the weld seam of dividing plate, confirm two electroslag toes of dividing plate, with upper and lower lead-in, in electroslag toe, make electroslag weld seam, at all the other both sides bevel cuts of dividing plate;
C), leveling: two webs, two wing plates and several pieces dividing plates are implemented to leveling;
D), shelve a wing plate: by smooth being placed on jig and locating of a slice wing plate;
E), assemble in diaphragm: press figure paper size, determine the position that dividing plate is set on wing plate, successively the electroslag toe of several pieces dividing plates is placed on this position, and make to retain a gap ε between the upper and lower lead-in edge of dividing plate and wing plate plane, make ε≤0.5mm location;
F), assembling web: web is assemblied in to the both sides of dividing plate, and the blow-out mouth that draws of web aligns one by one and locates with the electroslag welding groove that the upper and lower lead-in of dividing plate forms; With the weld seam between gas shielded arc welding welding diaphragm groove and web; UT flaw detection;
G), shelve another wing plate: by the smooth top that is placed in web and dividing plate the location of another sheet wing plate;
H), longitudinal seam bottoming: with four longitudinal seams between gas shielded arc welding bottoming two wing plates of welding and two web longitudinal joint cuts;
I), electroslag welding dividing plate: weld the electroslag weld seam between several pieces dividing plates and wing plate with electroslag welding; UT flaw detection;
J), remove and draw blow-out end: remove web and draw the position of blow-out mouth projection and repair;
K), welding longitudinal seam: with four longitudinal seams between Lincoln weld two wing plates of welding and two webs; UT flaw detection.
The present invention adopts the weld seam between dividing plate and wing plate the method for electroslag welding, and for the method analysis optimization, go out the integral solder technique of box column, its process route is simple, accurate, has reduction manufacture difficulty, improves machining accuracy, enhances productivity and improve the advantage of component quality.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the top view of Fig. 1 of the present invention;
Fig. 3 is the structural representation that web weld seam of the present invention arranges;
Fig. 4 is the structural representation of dividing plate electroslag weld seam of the present invention;
Fig. 5 is the structural representation of dividing plate of the present invention and wing plate 2 assemblings;
Fig. 6 is the side view of Fig. 5 of the present invention;
Fig. 7 is the local enlarged diagram in A place of Fig. 6 of the present invention;
Fig. 8 is the structural representation of web of the present invention and wing plate assembling;
Fig. 9 is the use view that node of the present invention is connected with crossbeam.
The specific embodiment
Consult Fig. 1, Fig. 2, the present invention includes the welding procedure of box column and by the method for weld seam between electroslag welding welding diaphragm and wing plate, described box column is comprised of web 1, wing plate 2 and dividing plate 3, concrete steps are as follows:
A), blanking: press the figure paper size of box column, use numerical control cutting machine blanking, wherein, 1 two of webs, 2 two of wing plates and dividing plate 3 several pieces;
Consult Fig. 3, Fig. 4, b), processing weld groove: make the weld seam of web 1, by figure paper size, determine the position that dividing plate is set on web 1, web 1 this position side cutting, draw blow-out mouth 11, on all the other positions of web 1 side, cut longitudinal joint cut 12; Make the weld seam of dividing plate 3, confirm that dividing plate 3 is wanted and two electroslag toes of wing plate 2 welding, the upper and lower lead-in 31 that protrudes this limit is set on the two sides of electroslag toe, between upper and lower lead-in 31 and electroslag toe, surrounds electroslag weld seam, at all the other both sides cutting cuts 33 of dividing plate 3;
C), leveling: two webs 1, two wing plates 2 and several pieces dividing plates 3 are implemented to leveling;
D), shelve a wing plate: smooth being placed on jig and with platform spot welding of a slice wing plate 2 located;
Consult Fig. 5, Fig. 6, Fig. 7, e), assemble in diaphragm: press figure paper size, determine the position that dividing plate is set on wing plate 2, several pieces dividing plate 3 electroslag toes successively level are placed on this position of wing plate 2, and make to retain a gap ε between upper and lower lead-in 31 edges and wing plate 2 planes, make ε≤0.5mm and locate with wing plate 2 spot welding;
Consult Fig. 8, f), assembling web: web 1 is assemblied in to the both sides of dividing plate 3, makes a slice wing plate 2 and two webs 1 form " U " fonts, and blow-out mouth 11 and the upper and lower lead-in 31 of the dividing plate 3 also spot welding of aliging one by one of drawing of web 1 is located; With gas shielded arc welding, weld the cut 33 of several pieces dividing plates 3 and the weld seam between web 1; UT flaw detection;
Consult Fig. 2, g), shelve another wing plate: by the smooth top that is placed in web 1 and dividing plate 3 of another sheet wing plate 2, make two wing plates 2 and two webs 1 form " mouth " font and spot welding is located;
H), longitudinal seam bottoming: with four longitudinal seams of 12 of two wing plates 2 of gas shielded arc welding bottoming welding and two web 1 longitudinal joint cuts;
I), electroslag welding dividing plate: weld the electroslag weld seam between several pieces dividing plates 3 and wing plate 2 with electroslag welding; UT flaw detection;
J), remove and to draw blow-out end: that removes web 1 draws blow-out mouth 11 boss, make it web 1 to draw blow-out mouth 11 concordant with longitudinal joint cut 12;
K), welding longitudinal seam: with four longitudinal seams of 1 of two wing plates 2 of Lincoln weld welding and two web; UT flaw detection.
embodiment
Beijing Yintai Centre's steel columns of steel structures adopts box column, box column basic parameter: box column sectional dimension 700*700, wing plate 2 and web 1 thickness are 40mm, block board thickness 32mm, box column length 12m, along post total length, be provided with three nodes, two dividing plates 3 of each Node configuration, owing to manually cannot entering whole welding of having welded dividing plate 3 in post, adopt electroslag welding to complete the welding of dividing plate 3 and wing plate 2 weld seams, electroslag welding weld seam is arranged between dividing plate 3 and wing plate 2, and the welding procedure step of whole box column is as follows:
A), blanking: press the figure paper size of box column, use numerical control cutting machine blanking, wherein, 3 six, 2 two of webs, 2 two of wing plates and dividing plate;
B), processing weld groove: make the weld groove of web 1, by figure paper size, determine the position that dividing plate is set on web 1, draw blow-out mouth 11 at web 1 this position side cutting electroslag weld seam, cut longitudinal joint groove 12 on all the other positions of web 1 side; Make the weld groove of dividing plate 3, confirm that dividing plate 3 is wanted and two electroslag toes of wing plate 2 welding, the upper and lower lead-in 31 that protrudes this limit is set on the two sides of electroslag toe, between upper and lower lead-in 31 and electroslag toe, surround electroslag weld groove, at all the other both sides cutting gas protection weldering grooves 33 of dividing plate 3;
C), leveling: two webs 1, two wing plates 2 and several pieces dividing plates 3 are implemented to leveling;
D), shelve a wing plate: by smooth being placed on jig and locating of a slice wing plate 2;
E), assemble in diaphragm: press figure paper size, determine the position that dividing plate is set on wing plate 2,6 dividing plates, 3 electroslag toes successively level are placed on this position of wing plate 2, and make to retain a gap ε between upper and lower lead-in 31 edges and wing plate 2 planes, make ε=0.5mm location;
F), assembling web: web 1 is assemblied in to the both sides of dividing plate 3, makes a slice wing plate 2 and two webs 1 form " U " fonts, and the electroslag welding of web 1 is drawn blow-out mouth 11 and alignd one by one and locate with the electroslag welding groove of upper and lower lead-in 31 formation of dividing plate 3; With the groove 33 of 6 dividing plates 3 of gas shielded arc welding welding and the weld seam between web 1; UT flaw detection;
G), shelve another wing plate: by the smooth top that is placed in web 1 and dividing plate 3 of another sheet wing plate 2, make two wing plates 2 and two webs 1 form " mouth " font location;
H), longitudinal seam bottoming: with four longitudinal seams of 12 of two wing plates 2 of gas shielded arc welding bottoming welding and two web 1 longitudinal joint cuts;
I), electroslag welding dividing plate: with the electroslag weld seam between 6 dividing plates 3 of special-purpose electroslag soldering equipment electroslag welding welding and wing plate 2; UT flaw detection;
J), remove and to draw blow-out end: that removes web 1 draws blow-out mouth 11 boss, make it web 1 to draw blow-out mouth 11 concordant with longitudinal joint cut 12;
K), welding longitudinal seam: with four longitudinal seams of 1 of two wing plates 2 of Lincoln weld welding and two web; UT flaw detection.
At the construction field (site), the node of box column is connected with crossbeam.
Consult Fig. 1, Fig. 9, the present invention will be every, 3 and the weld seam of 2 of wing plates be decided to be electroslag welding weld seam, be decided to be electroslag welding weld seam with the weld seam of 1 of dividing plate 3 and web and compare, the circulation time that has manufacturing procedure minimizing, method simple, intuitive, shortening process member, working (machining) efficiency improves; If the weld seam of 1 of dividing plate 3 and web is adopted to the method for electroslag welding, the web 1 of take is benchmark, wing plates on two sides 2 is by position line in the plane of work moulding bed and dividing plate 3 location, another piece web 1 need be adjusted by driving when embedding U-shaped structure, not only cause assembling difficulty, and through welding groove and through welding groove do not exist on longitudinal joint simultaneously, be unfavorable for automatic welding welding; The present invention is conducive to simplify the making flow process of box column, improves assembling and the accurate to dimension of box column, improves make efficiency; Be conducive to improve the quality of electroslag weld seam and the total quality of box column member, guarantee the safety and stability in member rigid joint region.
Claims (1)
1. a welding method for box column, described box column is comprised of web, wing plate and dividing plate, and one group of corresponding sides of dividing plate are electroslag toe, it is characterized in that this box column welding method comprises following concrete steps:
A), blanking
Press the figure paper size of box column, use numerical control cutting machine blanking, comprise two webs, two wing plates and several pieces dividing plates;
B), make weld seam
The weld seam of web: draw blow-out mouth at the web side cutting electroslag weld seam that partition position is set, at all the other position cutting longitudinal joint grooves of web side;
The weld seam of dividing plate: in two electroslag toes of dividing plate, make electroslag weld groove with upper and lower lead-in, at all the other both sides bevel cuts of dividing plate;
C), leveling
Web, wing plate and dividing plate (employing method or equipment) are implemented to leveling;
D), shelve a wing plate
By smooth being placed on jig and spot welding location of a slice wing plate;
E), assemble in diaphragm
By designing requirement, determine the position that dividing plate is set on wing plate, successively the electroslag toe of several pieces dividing plates is placed in to this position, and retains a gap ε between the upper and lower lead-in edge that makes dividing plate and wing plate plane, ε≤0.5mm spot welding are located;
F), assembling web
Web is assemblied in to the both sides of dividing plate, and the blow-out mouth that draws on web aligns and spot welding location one by one with the electroslag welding groove of the upper and lower lead-in formation of dividing plate; With the weld seam between gas shielded arc welding welding diaphragm groove and web; Ultrasonic examination is UT flaw detection;
G), shelve another wing plate
By the smooth top that is placed in web and dividing plate the spot welding location of another sheet wing plate;
H), longitudinal seam bottoming
With four longitudinal seams between gas shielded arc welding bottoming two wing plates of welding and two web longitudinal joint grooves;
I), electroslag welding dividing plate welding
With electroslag welding, weld the electroslag weld seam between several pieces dividing plates and wing plate; Ultrasonic examination is UT flaw detection;
J), remove and draw blow-out end
Removing web draws the position of blow-out mouth projection and repairs;
K), welding longitudinal seam
With four longitudinal seams between Lincoln weld two wing plates of welding and two webs; Ultrasonic examination is UT flaw detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110195857.XA CN102240863B (en) | 2011-07-13 | 2011-07-13 | Method for welding box-shaped column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110195857.XA CN102240863B (en) | 2011-07-13 | 2011-07-13 | Method for welding box-shaped column |
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| CN102240863A CN102240863A (en) | 2011-11-16 |
| CN102240863B true CN102240863B (en) | 2014-04-02 |
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| CN201110195857.XA CN102240863B (en) | 2011-07-13 | 2011-07-13 | Method for welding box-shaped column |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5970692B2 (en) * | 2012-03-06 | 2016-08-17 | 日本軽金属株式会社 | Method for joining members, method for manufacturing freight transport vehicle, and method for manufacturing freight transport container |
| CN102672359B (en) * | 2012-05-14 | 2014-04-23 | 福建荣盛钢结构实业有限公司 | Process for manufacturing rectangular box pipe |
| CN102896472B (en) * | 2012-10-23 | 2015-08-19 | 中国二十二冶集团有限公司 | The preparation method of box type pillar beam |
| CN103252590B (en) * | 2013-05-06 | 2015-04-08 | 中国十七冶集团有限公司 | Butt welding method of column of steelmaking workshop |
| CN103406679A (en) * | 2013-08-20 | 2013-11-27 | 南通中新钢构重工有限公司 | Welding technology of stereoscopic section composed of platform board and lateral plates |
| CN107717353A (en) * | 2017-10-26 | 2018-02-23 | 云南建投机械制造安装工程有限公司 | Box column, beam make engineering method |
| CN108127277B (en) * | 2017-12-18 | 2020-08-07 | 中国二冶集团有限公司 | Manufacturing method of box beam |
| CN108747066A (en) * | 2018-06-11 | 2018-11-06 | 上海通用建筑工程有限公司 | A kind of manufacture welding method of box type rod piece |
| CN108907449A (en) * | 2018-07-20 | 2018-11-30 | 四川汇源钢建装配建筑有限公司 | A kind of box-type member electroslag welding and box component |
| CN110014223A (en) * | 2019-05-21 | 2019-07-16 | 北京首钢建设集团有限公司 | A kind of abnormal shape box-structure partition electroslag welding welding procedure method |
| CN110512798A (en) * | 2019-09-02 | 2019-11-29 | 中国五冶集团有限公司 | A kind of box beam/column with steel structure and preparation method thereof |
| CN111088850A (en) * | 2019-12-31 | 2020-05-01 | 江苏沪宁钢机股份有限公司 | Horseshoe-shaped node and manufacturing method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1936207A (en) * | 2006-10-30 | 2007-03-28 | 北京三杰国际钢结构有限公司 | Box-type section beam-column node structure and welding method |
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| KR100419368B1 (en) * | 2000-01-12 | 2004-03-04 | 가부시키가이샤 아크리에이토 | One-side Welding Method of Steel Structure |
| CN101664847B (en) * | 2009-08-10 | 2012-05-30 | 河南天丰钢结构有限公司 | Method for producing box beam/column with steel structure |
| CN101693336B (en) * | 2009-10-26 | 2011-01-05 | 浙江大地钢结构有限公司 | Technique for processing circular ring box type beam of lifting tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1936207A (en) * | 2006-10-30 | 2007-03-28 | 北京三杰国际钢结构有限公司 | Box-type section beam-column node structure and welding method |
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