CN212001585U - Inside and outside lapped structure of box girder steel - Google Patents
Inside and outside lapped structure of box girder steel Download PDFInfo
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- CN212001585U CN212001585U CN202020209349.7U CN202020209349U CN212001585U CN 212001585 U CN212001585 U CN 212001585U CN 202020209349 U CN202020209349 U CN 202020209349U CN 212001585 U CN212001585 U CN 212001585U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 81
- 239000010959 steel Substances 0.000 title claims abstract description 81
- 238000003466 welding Methods 0.000 claims abstract description 82
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000010276 construction Methods 0.000 abstract description 16
- 210000001503 joint Anatomy 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000005553 drilling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses an inside and outside lapping structure of a box steel beam, which comprises two sections of box steel beams to be spliced; a gap is arranged at the splicing position of the top wing plates of the two sections of box-type steel beams; the inner sides of two webs of two sections of box-shaped steel beams are connected with a group of high-strength bolts through a pre-connecting plate, and the webs and the pre-connecting plate are welded into a whole through web welding seams; the bottom wing plate sealing strip is arranged at the bottom of the bottom wing plate of the two sections of box-shaped steel beams; the seam between the bottom wing plate and the bottom wing plate sealing strip of the two sections of box-shaped steel beams is welded into a whole through the bottom wing plate welding seam; a cover plate is arranged at the gap of the top wing plate of the two sections of box-type steel beams, and top wing plate sealing strips are arranged at the bottoms of the cover plate and the gap of the top wing plate; and the top wing plate of the two sections of box-shaped steel beams, the gap between the cover plate and the top wing plate sealing strip are welded into a whole through the top wing plate welding seam. The utility model only needs to butt joint the box-shaped steel beams produced by specialized chemical plants in the construction process, thereby greatly improving the construction efficiency and saving the labor force; and effectively improves the safety performance.
Description
Technical Field
The utility model relates to an inside and outside lapped structure of box girder steel belongs to building subject construction technical field.
Background
With the technical innovation and transformation upgrade of the national building industry, the box-type steel beam is the trend of the industry as a structural member of a large-span space building. In the prior art, structural safety problems such as poor welding effect, insufficient welding seam strength and the like easily occur in the assembling and welding construction process of the box-type steel beam, and meanwhile, the welding process in the prior art cannot meet the production requirements of projects on the labor cost and the progress requirements.
In order to effectively improve the quality and performance of a steel structure building, effectively save production time, improve production efficiency, meet the use requirements of customers and ensure better sustainable development of real estate enterprises, how to improve the integrity and safety of the steel structure building, how to reduce the difficulty of hoisting and welding of box-shaped steel beams, how to ensure the welding quality of the box-shaped steel beams, how to shorten the hoisting and welding time of the box-shaped steel beams and enable the problems of meeting social requirements and the like to become main factors influencing the development of industrial engineering, a construction method and a structure for inside and outside lapping of the box-shaped steel beams are researched. Therefore, the prior art still has the defects and needs to be further improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an inside and outside lapped structure of box girder steel to effectively improve the quality and the performance of box girder steel structure building, and effectively save production time and improve production efficiency, thereby overcome the not enough of prior art existence.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model relates to an inside and outside lapping structure of a box-type steel beam, which comprises two sections of box-type steel beams to be spliced; a gap is arranged at the splicing position of the top wing plates of the two sections of box-type steel beams; the inner sides of two webs of two sections of box-shaped steel beams are connected with a group of high-strength bolts through a pre-connecting plate, and the webs and the pre-connecting plate are welded into a whole through web welding seams; the bottom wing plate sealing strip is arranged at the bottom of the bottom wing plate of the two sections of box-shaped steel beams; the seam between the bottom wing plate and the bottom wing plate sealing strip of the two sections of box-shaped steel beams is welded into a whole through the bottom wing plate welding seam; a cover plate is arranged at the gap of the top wing plate of the two sections of box-type steel beams, and top wing plate sealing strips are arranged at the bottoms of the cover plate and the gap of the top wing plate; and the top wing plate of the two sections of box-shaped steel beams, the gap between the cover plate and the top wing plate sealing strip are welded into a whole through the top wing plate welding seam.
The inside and outside lapped structure of aforementioned box girder steel, its characterized in that: and welding grooves are arranged at the welding seams of the bottom wing plate, the top wing plate and the cover plate.
The inside and outside lapped structure of aforementioned box girder steel, its characterized in that: the web plate welding seam, the bottom wing plate welding seam and the top wing plate welding seam are all full-length welding seams; wherein the top surface of the welding seam of the top wing plate is flush with the top surface of the top wing plate.
Due to the adoption of the technical scheme, compared with the prior art, in the inside and outside lapping structure of the box-type steel beam, the box-type steel beam can be delivered to a specialized factory for deep processing production, and only the box-type steel beam produced by the specialized factory needs to be butted in the construction process, so that the construction efficiency is greatly improved, and the labor force is saved; and the problems that the welding effect is poor, the strength of a welding seam is insufficient and the like in the construction process in the prior art are solved, the requirements of project production cannot be met on the labor cost and the progress requirement and the like are solved.
Drawings
FIG. 1 is a schematic view of the construction method of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
The figures are labeled as follows: 1-box steel beam, 2-top wing plate, 3-pre-connecting plate, 4-high-strength bolt, 5-web plate, 6-web plate welding line, 7-bottom wing plate, 8-bottom wing plate sealing strip, 9-bottom wing plate welding line, 10-top wing plate sealing strip, 11-spot welding, 12-cover plate, 13-top wing plate welding line and 14-welding groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The utility model discloses an inside and outside lapped construction method constitutes according to a box girder steel as follows, as shown in figure 1: the method comprises the following steps:
a. cutting a section of top wing plate 2 at the splicing position of two sections of box-shaped steel beams 1 to be spliced, and then hoisting the steel beams to a position needing to be installed;
b. the inner sides of two webs 5 of two sections of box-shaped steel beams 1 are connected into a whole through a pre-connecting plate 3 and a group of high-strength bolts 4; drilling holes in the pre-connecting plate 3 and connecting holes in web plates 5 of the two sections of box-shaped steel beams 1 in a matched drilling mode, preliminarily fixing the pre-connecting plate and the connecting holes through high-strength bolts 4, then adjusting the positions and elevations of the two sections of box-shaped steel beams 1, and tightening the high-strength bolts 4 after the situation that no errors exist is confirmed so as to carry out the next step of construction;
c. welding the webs 5 of the two sections of box-shaped steel beams 1 and the pre-connecting plate 3 into a whole through web welding seams 6 at the butt joint of the two webs 5 of the two sections of box-shaped steel beams 1;
d. welding bottom wing plate sealing strips 8 on the bottom surfaces of the butt joints of the bottom wing plates 7 of the two sections of box-shaped steel beams 1 in a spot mode, and welding the bottom wing plates 7 and the bottom wing plate sealing strips 8 of the two sections of box-shaped steel beams 1 into a whole through bottom wing plate welding lines 9 above the bottom wing plate sealing strips 8; the bottom wing plate sealing strip 8 is connected with the bottom surface of the butt joint of the bottom wing plate 7 in a spot welding 11 mode to prevent welding deformation; then, constructing a bottom wing plate welding seam 9;
e. spot welding a top wing plate sealing strip 10 on the bottom surface of the notch of the top wing plate 2 of the two sections of box-shaped steel beams 1; the top wing plate sealing strip 10 is firstly connected with the bottom surface of the butt joint of the top wing plate 2 in a spot welding 11 mode to prevent welding deformation;
f. and (3) lapping a cover plate 12 on top wing plate sealing strips 10 of two sections of box-shaped steel beams 1, and welding two ends of the cover plate 12, the top wing plate 2 and the top wing plate sealing strips 10 into a whole through top wing plate welding seams 13.
According to the construction method for the inside and outside lap joint of the box-type steel beam, the web welding seam 6, the bottom wing plate welding seam 9 and the top wing plate welding seam 13 are all in a full-length welding mode; welding grooves 14 are formed in the welded junction edges at the two ends of the bottom wing plate 7 and the cover plate 12; wherein, the top surface of the welding seam 13 of the top wing plate is polished to be smooth and is parallel and level with the top surface of the top wing plate 2 after the welding seam 13 of the top wing plate is fully welded. In the construction of the steps d and e, the bottom wing plate sealing strip 8 is firstly connected with the bottom surface of the butt joint part of the bottom wing plate 7 in a spot welding 11 mode so as to prevent welding deformation; then, constructing a bottom wing plate welding seam 9; the top wing plate sealing strip 10 is firstly connected with the bottom surface of the butt joint of the top wing plate 2 in a spot welding 11 mode to prevent welding deformation; and after all the welding seams are fully welded, filling all the welding seams of the spot welding 11 in a full welding mode.
The inside and outside lapping structure of the box-type steel beam comprises two sections of box-type steel beams 1 to be spliced, and a gap is arranged at the splicing position of the top wing plate 2 of the two sections of box-type steel beams 1 as shown in figure 2; the inner sides of two webs 5 of two sections of box-shaped steel beams 1 are connected with a group of high-strength bolts 4 through a pre-connecting plate 3, and the webs 5 and the pre-connecting plate 3 are welded into a whole through web welding seams 6; the bottom wing plate sealing strip 8 is arranged at the bottom of the bottom wing plate 7 of the two sections of box-shaped steel beams 1; the gap between the bottom wing plate 7 and the bottom wing plate sealing strip 8 of the two sections of box-shaped steel beams 1 is welded into a whole through a bottom wing plate welding seam 9; a cover plate 12 is arranged at the gap of the top wing plate 2 of the two sections of box-type steel beams 1, and a top wing plate sealing strip 10 is arranged at the bottom of the gap between the cover plate 12 and the top wing plate 2; the top wing plate 2 and the gap between the cover plate 12 and the top wing plate sealing strip 10 of the two sections of box-shaped steel beams 1 are welded into a whole through a top wing plate welding seam 13. Welding grooves 14 are arranged at the welding seams of the bottom wing plate 7, the top wing plate 2 and the cover plate 12. The web plate welding seam 6, the bottom wing plate welding seam 9 and the top wing plate welding seam 13 are all full-length welding seams; wherein the top surface of the top wing plate weld seam 13 is flush with the top surface of the top wing plate 2.
The utility model discloses a concrete implementation process is as shown in figure 1 and figure 2, utilize lifting device or instrument with two sections wait to assemble 1 hoists of welded box girder steel to needs mounted position, adjust two sections 1's of box girder steel position according to the design elevation, 5 inboard vertical placing of web 5 of two sections 1 handing-over departments of box girder steel are connecting plate 3 in advance, connecting plate 3 and two sections 1's of box girder steel web 5's connecting hole adoption are joined in marriage and are bored the mode drilling in advance, make connecting hole on the connecting plate 3 in advance unanimous with the connecting hole of waiting 1 concatenation departments of box girder steel of assembling, reuse a set of high strength bolt 4 will be connected plate 3 in advance and 5 initial connections of box girder steel 1's web in advance, treat two sections 1 positions of box girder steel and the final adjustment of elevation after being errorless, tighten high strength bolt 4 again, make box girder steel 1.
After the pre-connecting plate 3 is firmly connected with the box-shaped steel beam 1, firstly, performing single-side full-weld welding on web welding seams 6 on two sides of a web 5 by using carbon dioxide gas shielded welding equipment; then, a bottom wing plate sealing strip 8 is placed at the bottom of the joint of the bottom wing plates 7 of the box-shaped steel beam 1, and single-side full-weld welding is carried out on the bottom-side abutted seam from the inside and the outside of the box-shaped steel beam 1; finally, two top wing plate sealing strips 10 are placed, a cover plate 12 is covered, and single-side full-welding is carried out on two abutted seams of the top wing plate 2.
In the inside and outside lapping structure of the box-shaped steel beam, the box-shaped steel beam can be delivered to a specialized factory for deep processing production, and only the box-shaped steel beam produced by the specialized factory needs to be butted in the construction process, so that the construction efficiency is greatly improved, and the labor force is saved; and the problems that the welding effect is poor, the strength of a welding seam is insufficient and the like in the construction process in the prior art are solved, the requirements of project production cannot be met on the labor cost and the progress requirement and the like are solved.
Claims (3)
1. A box steel beam inner and outer lap joint structure comprises two sections of box steel beams (1) to be spliced; the method is characterized in that: a gap is arranged at the splicing position of the top wing plates (2) of the two sections of box-type steel beams (1); the inner sides of two webs (5) of two sections of box-shaped steel beams (1) are connected with a group of high-strength bolts (4) through a pre-connecting plate (3), and the webs (5) and the pre-connecting plate (3) are welded into a whole through web welding seams (6); bottom wing plate sealing strips (8) are arranged at the bottoms of the bottom wing plates (7) of the two sections of box-shaped steel beams (1); the gap between the bottom wing plate (7) and the bottom wing plate sealing strip (8) of the two sections of box-type steel beams (1) is welded into a whole through a bottom wing plate welding seam (9); a cover plate (12) is arranged at the gap of the top wing plate (2) of the two sections of box-type steel beams (1), and a top wing plate sealing strip (10) is arranged at the bottom of the gap between the cover plate (12) and the top wing plate (2); the top wing plate (2) and the cover plate (12) of the two sections of box-type steel beams (1) and the gap between the top wing plate sealing strip (10) are welded into a whole through a top wing plate welding seam (13).
2. The inside and outside lapping structure of the box steel girder according to claim 1, characterized in that: and welding grooves (14) are arranged at the welding seams of the bottom wing plate (7), the top wing plate (2) and the cover plate (12).
3. The inside and outside lapping structure of the box steel girder according to claim 1, characterized in that: the web plate welding seam (6), the bottom wing plate welding seam (9) and the top wing plate welding seam (13) are all full-length welding seams; wherein the top surface of the top wing plate welding seam (13) is flush with the top surface of the top wing plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020209349.7U CN212001585U (en) | 2020-02-25 | 2020-02-25 | Inside and outside lapped structure of box girder steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020209349.7U CN212001585U (en) | 2020-02-25 | 2020-02-25 | Inside and outside lapped structure of box girder steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212001585U true CN212001585U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020209349.7U Active CN212001585U (en) | 2020-02-25 | 2020-02-25 | Inside and outside lapped structure of box girder steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212001585U (en) |
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2020
- 2020-02-25 CN CN202020209349.7U patent/CN212001585U/en active Active
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Address after: 510030 room 904, 6th floor, traffic bureau building, 95 Yingbin Avenue, Xinhua Street, Huadu District, Guangzhou City, Guangdong Province Patentee after: China Construction Fourth Engineering Bureau First Construction Co.,Ltd. Country or region after: China Address before: 510030 room 904, 6th floor, traffic bureau building, 95 Yingbin Avenue, Xinhua Street, Huadu District, Guangzhou City, Guangdong Province Patentee before: China Construction Fourth Engineering Bureau First Construction Engineering Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |