CN113941771B - Manufacturing method of intercommunicated L-shaped steel column - Google Patents
Manufacturing method of intercommunicated L-shaped steel column Download PDFInfo
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- CN113941771B CN113941771B CN202111339949.0A CN202111339949A CN113941771B CN 113941771 B CN113941771 B CN 113941771B CN 202111339949 A CN202111339949 A CN 202111339949A CN 113941771 B CN113941771 B CN 113941771B
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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
- B23K25/00—Slag welding, i.e. using a heated layer or mass of powder, slag, or the like in contact with the material to be joined
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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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
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- Butt Welding And Welding Of Specific Article (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The manufacturing method of the intercommunicated L-shaped steel column comprises the following steps that a first flange plate (1), a first web plate (3), a tooth-shaped web plate (2), a group of L-shaped transverse partition plates (4) with grouting holes (4 a), a stiffening plate (5), a second web plate (6), a side sealing plate (7) and a second flange plate (8) are welded to form the intercommunicated L-shaped steel column; the manufacturing method comprises the steps of vertically splicing the tooth-shaped web plate and the first web plate on two sides of the first flange plate respectively, and then sequentially splicing the L-shaped transverse partition plate, the stiffening plate, the second web plate, the side sealing plate and the second flange plate. The invention adopts a reasonable tailor-welding sequence, not only ensures enough space for welding all welding seams of the steel column, but also controls the welding deformation to the maximum extent.
Description
Technical Field
The invention belongs to the technical field of steel structure building construction methods, and particularly relates to a manufacturing method of an intercommunicated L-shaped steel column for corner post construction in a high-rise building.
Background
With the continuous mature development of the manufacturing technology of the steel structural members of the buildings, the steel structural members are gradually and widely applied to large-scale public buildings and high-rise buildings. In the development process of steel structure buildings, the manufacturing process of steel structural members is from simple to difficult, and the structural form is broken through from the singleness to the complexity, which undoubtedly puts higher requirements on the design and the processing and manufacturing of the steel structures.
The L-shaped section is a common structural form in a building steel structure, and the manufacturing and processing of the L-shaped section are relatively mature. However, the interconnected L-shaped steel columns are convenient for pouring concrete at one time, the internal webs are zigzag, the stiffening plates are arranged discontinuously, the structures are interconnected, the splicing and welding processes are relatively complex, the operation space is limited, the welding seam amount is large, deformation and dislocation exist during splicing and welding, and the welding quality and appearance forming of the components are greatly influenced by the construction process.
Disclosure of Invention
The invention aims to provide a manufacturing method of an intercommunicated L-shaped steel column, which can solve the manufacturing difficulty of the intercommunicated L-shaped steel column and can ensure the assembling and welding quality to a greater extent.
The technical scheme adopted by the invention is as follows.
The manufacturing method of the intercommunicated L-shaped steel column comprises a first flange plate, a first web plate and a tooth-shaped web plate which are parallel to each other and are respectively welded on two sides of the first flange plate, a group of L-shaped transverse partition plates which are perpendicular to the first web plate and are arranged in the middle of a tooth socket of the tooth-shaped web plate at intervals, a reinforcing plate welded between the first web plate and the tooth-shaped web plate, a second web plate which is welded on the outer side of the L-shaped transverse partition plate and the bottom end of which is welded with the first web plate, a side sealing plate which is welded on the inner side of the L-shaped transverse partition plate and the bottom end of which is welded with the tooth-shaped web plate, and a second flange plate which is positioned at the top of the L-shaped transverse partition plate and the two ends of which are respectively welded with the second web plate and the side sealing plate; the manufacturing method comprises the following steps:
s1, a first flange plate is horizontally placed on a horizontal jig frame;
s2, vertically splicing the tooth-shaped web and the first web on two sides of the first flange plate respectively, and vertically arranging code plates at an inner angle at the splicing part of the first flange plate and the first web and an inner angle at the splicing part of the first flange plate and the tooth-shaped web for fixing respectively;
s3, arranging one end of the L-shaped diaphragm plate in the middle of the tooth socket of the tooth-shaped web plate at intervals, inserting the other end of the L-shaped diaphragm plate downwards between the tooth-shaped web plate and the first web plate, adjusting the L-shaped diaphragm plate to be perpendicular to the first web plate, and then respectively welding three side edges of the part, inserted between the tooth-shaped web plate and the first web plate, of the L-shaped diaphragm plate with the tooth-shaped web plate and the first web plate to complete assembly welding of the L-shaped diaphragm plate; the L-shaped diaphragm plates at the two ends are only assembled and not welded, and are only spot-welded with the tooth-shaped web plate and the first web plate at the corner;
s4, arranging the stiffening plate between the tooth root position of the tooth-shaped web and the first web and perpendicular to the first web, and then respectively welding two sides of the stiffening plate with the tooth-shaped web and the first web to complete assembly welding of the stiffening plate;
s5, vertically splicing a second web plate and the first web plate, enabling the inner side of the second web plate to be attached to the L-shaped diaphragm plate, and arranging a code plate at an inner angle of the splicing position of the second web plate and the first web plate for fixing; then welding the second web plate and the L-shaped diaphragm plate;
s6, turning over the assembled component to enable the first web plate to be located on the bottom surface;
s7, vertically placing the side sealing plate on the tooth-shaped web plate, enabling the inner side of the side sealing plate to be attached to the part, located in the middle of the tooth groove of the tooth-shaped web plate, of the L-shaped transverse partition plate, and then welding the inner side of the side sealing plate with the L-shaped transverse partition plate;
s8, arranging a second flange plate at the top of the L-shaped transverse partition plate, splicing a second web plate and a side sealing plate at two sides of the second flange plate respectively, and arranging code plates at the inner angle of the splicing position of the second flange plate and the second web plate and the inner angle of the splicing position of the second flange plate and the side sealing plate for fixing;
s9, welding gaps between the L-shaped transverse partition plate and the first flange plate and between the L-shaped transverse partition plate and the second flange plate respectively by using electroslag welding;
s10, sequentially welding 6 main welding seams; the 6 main welding seams refer to welding seams at six corners of the L-shaped steel column;
s11, repairing and welding gaps among the L-shaped diaphragm plates at the two ends of the L-shaped steel column, the tooth-shaped web plate, the first web plate and the first flange plate.
The method adopts a reasonable tailor-welding sequence, not only ensures enough space for welding all welding seams of the steel column, but also controls the welding deformation to the maximum extent; the L-shaped transverse partition plates at the top and bottom of the column are reserved and welded finally, so that the size of the port can be corrected and adjusted conveniently, the size of the port is effectively ensured by adding the stacking plates at the right-angle positions of the top and bottom of the column for fixation, the on-site butt joint misalignment error of the upper and lower sections of the steel column is in an allowable range, and the problems existing in the prior art are effectively solved.
Drawings
FIG. 1 is a cross-sectional view of an interconnected L-shaped steel column of the present invention;
2-1-2-8 are schematic views illustrating the manufacturing process of the intercommunicated L-shaped steel column of the present invention;
3-1-3-7 are three-dimensional schematic diagrams illustrating the manufacturing process of the interconnected L-shaped steel column of the present invention;
FIG. 4 is a front view of FIGS. 3-7;
fig. 5 is a top view of fig. 3-7.
Detailed Description
The interconnected L-shaped steel column is a metal component with a structure in the prior art, and is structurally shown in fig. 1, 3-7, 4 and 5, and comprises a first flange plate 1, a first web plate 3 and a tooth-shaped web plate 2 which are welded on two sides of the first flange plate respectively and are parallel to each other, a group of L-shaped transverse partition plates 4 which are perpendicular to the first web plate and are arranged in the middle of tooth grooves of the tooth-shaped web plate at intervals and are provided with grouting holes 4a, a stiffening plate 5 welded between the first web plate and the tooth-shaped web plate, a second web plate 6 welded on the outer side of the L-shaped transverse partition plate and the bottom end of which is welded with the first web plate, a side sealing plate 7 welded on the inner side of the L-shaped transverse partition plate and the bottom end of which is welded with the tooth-shaped web plate 2, and a second flange plate 8 positioned on the top of the L-shaped transverse partition plate and the two ends of which are welded with the second web plate and the side sealing plate. The manufacturing method of the interconnected L-shaped steel column comprises the following steps:
s1, as shown in a figure 2-1, a first flange plate 1 is horizontally placed on a horizontal jig frame A;
s2, as shown in a figure 2-2, vertically splicing a tooth-shaped web plate 2 and a first web plate 3 at two sides of a first flange plate 1 respectively, and vertically arranging code plates B at an inner angle at the splicing position of the first flange plate and the first web plate and an inner angle at the splicing position of the first flange plate and the tooth-shaped web plate for fixing respectively;
s3, as shown in the figures 2-3, one end of an L-shaped diaphragm plate 4 is arranged in the middle of a tooth socket of the tooth-shaped web plate at intervals, the other end of the L-shaped diaphragm plate is inserted between the tooth-shaped web plate 2 and the first web plate 3 downwards, the L-shaped diaphragm plate is adjusted to be perpendicular to the first web plate, then the L-shaped diaphragm plate is inserted between the tooth-shaped web plate and the first web plate, and two side edges of the part between the tooth-shaped web plate and the first web plate are respectively welded with the tooth-shaped web plate 2 and the first web plate 3, and the assembly welding of the L-shaped diaphragm plate is completed. The L-shaped diaphragm plates are arranged at equal intervals, and the L-shaped diaphragm plates 4 at the two ends are only assembled without welding and are only spot-welded with the tooth-shaped web plate 2 and the first web plate 3 at the corners;
s4, as shown in the figures 2-4, arranging a stiffening plate 5 between the tooth root position of the tooth-shaped web plate 2 and the first web plate 3 and perpendicular to the first web plate, and then respectively welding two sides of the stiffening plate with the tooth-shaped web plate 2 and the first web plate 3 to complete the assembly welding of the stiffening plate;
s5, as shown in figures 2-5, vertically splicing a second web 6 and a first web 3, enabling the inner side of the second web to be attached to the L-shaped diaphragm plate 4, and arranging a code plate B at an inner angle of the splicing position of the second web and the first web for fixing; then welding the second web plate and the L-shaped diaphragm plate;
s6, turning over the assembled component to enable the first web 3 to be located on the bottom surface as shown in figures 2-6;
s7, as shown in the figures 2-7, vertically placing a side sealing plate 7 on the tooth-shaped web plate 2, enabling the inner side of the side sealing plate to be close to the part, located in the middle of the tooth groove of the tooth-shaped web plate, of the L-shaped diaphragm plate, and then welding the inner side of the side sealing plate with the L-shaped diaphragm plate;
s8, as shown in the figures 2-8, placing the second flange plate 8 at the top of the L-shaped transverse partition plate, splicing the second web plate and the side sealing plates at two sides of the L-shaped transverse partition plate respectively, and arranging code plates B at the inner angle of the splicing position of the second flange plate and the second web plate and the inner angle of the splicing position of the second flange plate and the side sealing plates for fixing;
s9, welding gaps between the L-shaped diaphragm plate 4 and the first flange plate 1 and welding gaps between the L-shaped diaphragm plate 4 and the second flange plate 8 by electroslag welding;
s10, sequentially welding 6 main welding seams; the 6 main welding seams are welding seams at six corners of the L-shaped steel column, namely a welding seam at the joint of the first flange plate and the tooth-shaped web plate, a welding seam at the joint of the first flange plate and the first web plate, a welding seam at the joint of the first web plate and the second web plate, a welding seam at the joint of the second flange plate and the side sealing plate, and a welding seam at the joint of the side sealing plate and the tooth-shaped web plate;
s11, repairing and welding gaps between the L-shaped diaphragm plates 4 and the tooth-shaped web plates 2, between the L-shaped diaphragm plates 4 and the first web plates 3 and between the L-shaped diaphragm plates 4 and the first flange plates 1 at two end heads of the L-shaped steel column.
The three-dimensional schematic diagram of the above-described manufacturing process is shown in fig. 3-1 to 3-7.
The whole manufacturing process must be carried out on a horizontal jig frame. The horizontal jig frame is a prior art device. The code plate is an auxiliary component commonly used in the existing steel structural part welding.
Claims (1)
1. A manufacturing method of an intercommunicated L-shaped steel column comprises a first flange plate (1), a first web plate (3) and a tooth-shaped web plate (2) which are parallel to each other and respectively welded on two sides of the first flange plate, a group of L-shaped diaphragm plates (4) which are perpendicular to the first web plate and are arranged in the middle of a tooth socket of the tooth-shaped web plate at intervals, and are provided with grouting holes (4 a), stiffening plates (5) welded between the first web plate and the tooth-shaped web plate, a second web plate (6) welded on the outer side of the L-shaped diaphragm plate and the bottom end of which is welded with the first web plate, side sealing plates (7) welded on the inner side of the L-shaped diaphragm plate and the bottom end of which is welded with the tooth-shaped web plate (2), and a second flange plate (8) positioned on the top of the L-shaped diaphragm plate and two ends of which are respectively welded with the second web plate and the side sealing plates; the manufacturing method is characterized by comprising the following steps:
s1, horizontally placing a first flange plate (1) on a horizontal jig frame;
s2, vertically splicing a tooth-shaped web plate (2) and a first web plate (3) at two sides of a first flange plate (1) respectively, and vertically arranging code plates at an inner angle at the splicing position of the first flange plate and the first web plate and an inner angle at the splicing position of the first flange plate and the tooth-shaped web plate respectively for fixing;
s3, arranging one end of an L-shaped diaphragm plate (4) in the middle of a tooth socket of the tooth-shaped web at intervals, inserting the other end of the L-shaped diaphragm plate downwards between the tooth-shaped web (2) and the first web (3), adjusting the L-shaped diaphragm plate to be perpendicular to the first web, and then respectively welding three side edges of the part, inserted between the tooth-shaped web and the first web, of the L-shaped diaphragm plate with the tooth-shaped web (2) and the first web (3) to complete assembly welding of the L-shaped diaphragm plate; the L-shaped diaphragm plates (4) at the two ends are only assembled and not welded, and are only spot-welded with the tooth-shaped web plate (2) and the first web plate (3) at the corner;
s4, arranging a stiffening plate (5) between the tooth root position of the tooth-shaped web plate (2) and the first web plate (3) and perpendicular to the first web plate, and then respectively welding two sides of the stiffening plate with the tooth-shaped web plate (2) and the first web plate (3) to complete assembly welding of the stiffening plate;
s5, vertically splicing a second web plate (6) and the first web plate (3), enabling the inner side of the second web plate to be attached to the L-shaped diaphragm plate (4), and arranging a code plate at an inner angle of the spliced position of the second web plate and the first web plate for fixing; then welding the second web plate and the L-shaped diaphragm plate;
s6, turning over the assembled component to enable the first web plate (3) to be located on the bottom surface;
s7, vertically placing the side sealing plates (7) on the tooth-shaped web (2), enabling the inner sides of the side sealing plates to be attached to the middle part of the L-shaped transverse partition plate positioned in the tooth grooves of the tooth-shaped web, and then welding the inner sides of the side sealing plates with the L-shaped transverse partition plate;
s8, arranging a second flange plate (8) at the top of the L-shaped transverse partition plate, splicing the second web plate and the side sealing plate at two sides of the L-shaped transverse partition plate respectively, and arranging code plates at the inner angle of the splicing position of the second flange plate and the second web plate and the inner angle of the splicing position of the second flange plate and the side sealing plate respectively for fixing;
s9, welding gaps between the L-shaped transverse partition plate (4) and the first flange plate (1) and between the L-shaped transverse partition plate (4) and the second flange plate (8) by electroslag welding respectively;
s10, sequentially welding 6 main welding seams; the 6 main welding seams refer to welding seams at six corners of the L-shaped steel column;
s11, repairing and welding gaps among the L-shaped diaphragm plate (4) at the two ends of the L-shaped steel column, the tooth-shaped web plate (2), the first web plate (3) and the first flange plate (1).
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| CN202111339949.0A CN113941771B (en) | 2021-11-12 | 2021-11-12 | Manufacturing method of intercommunicated L-shaped steel column |
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| CN202111339949.0A CN113941771B (en) | 2021-11-12 | 2021-11-12 | Manufacturing method of intercommunicated L-shaped steel column |
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| CN113941771B true CN113941771B (en) | 2022-10-18 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11140824A (en) * | 1997-11-13 | 1999-05-25 | Sakurada Co Ltd | Assembly method for box girder |
| CN106884498A (en) * | 2017-04-25 | 2017-06-23 | 江苏沪宁钢机股份有限公司 | A kind of special-shaped box column and its processing technology |
| CN210421474U (en) * | 2019-07-22 | 2020-04-28 | 西安建筑科技大学 | Sound insulation steel structure L-shaped corner post |
| CN111472494A (en) * | 2020-04-15 | 2020-07-31 | 安徽富煌钢构股份有限公司 | Pillar structure and electroslag welding process for inner partition plate of pillar structure |
| CN111644727A (en) * | 2020-06-30 | 2020-09-11 | 中冶建工集团重庆钢结构有限公司 | Manufacturing method of combined steel column of transition section of tower crown of super high-rise building |
| CN113070546A (en) * | 2021-03-30 | 2021-07-06 | 中铁宝桥（扬州）有限公司 | Automatic welding method for steel beam rod piece groove-shaped structure |
-
2021
- 2021-11-12 CN CN202111339949.0A patent/CN113941771B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11140824A (en) * | 1997-11-13 | 1999-05-25 | Sakurada Co Ltd | Assembly method for box girder |
| CN106884498A (en) * | 2017-04-25 | 2017-06-23 | 江苏沪宁钢机股份有限公司 | A kind of special-shaped box column and its processing technology |
| CN210421474U (en) * | 2019-07-22 | 2020-04-28 | 西安建筑科技大学 | Sound insulation steel structure L-shaped corner post |
| CN111472494A (en) * | 2020-04-15 | 2020-07-31 | 安徽富煌钢构股份有限公司 | Pillar structure and electroslag welding process for inner partition plate of pillar structure |
| CN111644727A (en) * | 2020-06-30 | 2020-09-11 | 中冶建工集团重庆钢结构有限公司 | Manufacturing method of combined steel column of transition section of tower crown of super high-rise building |
| CN113070546A (en) * | 2021-03-30 | 2021-07-06 | 中铁宝桥（扬州）有限公司 | Automatic welding method for steel beam rod piece groove-shaped structure |
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