Windproof tool for steel structure welding seam construction

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By designing a windproof tooling including the main body of the ladder cage and the connecting components, the problem of unstable welding quality in the wind and sand environment of steel structure weld construction is solved, and the effect of improving welding quality and efficiency is achieved.

CN119910343APending Publication Date: 2025-05-02CHINA RAILWAY 18TH BUREAU GRP CO LTD +1

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Patent Information

Application Number: CN202510063410.9
Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner
Filing Date: 2025-01-15
Publication Date: 2025-05-02

AI Technical Summary

Technical Problem

In steel structure construction, especially during the steel box girder weld construction of the Tangkou Yellow River Super Bridge, the wind and sand environment has a great impact on the welding quality, resulting in unstable welding quality and a tight construction period. It is necessary to design a windproof tool to improve welding quality and efficiency.

Method used

A windproof tool for steel structure weld construction is designed, including two ladder cage main bodies and connecting components. The main body of the ladder cage is arranged at the welds on both sides of the steel box girder, and the outer surface is wrapped with a windshield plate. The connecting components connect the main body of the ladder cage into a whole and abuts with the top plate and web of the steel box girder, forming a stable working platform.

Benefits of technology

Through the installed ladder cage main body, windshield plate and connecting components, the welding quality of the web weld can be improved. Since the overall setting is movable, the welding process can be accelerated while ensuring the safety of the operators.

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Abstract

The invention relates to the field of steel structure construction, and discloses a windproof tool for steel structure weld joint construction, which comprises two ladder cage main bodies, and the two ladder cage main bodies are correspondingly arranged at weld joints on two sides of a steel box girder; the sides, close to each other, of the two ladder cage bodies abut against webs of the steel box girders respectively, and the outer surfaces of the other sides of the ladder cage bodies are wrapped with wind shields. The connecting assembly is arranged between the two ladder cage bodies, the two ends of the connecting assembly are connected with the corresponding ladder cage bodies respectively, and the bottom of the connecting assembly abuts against a top plate of the steel box girder. By means of the arrangement of the structure, the welding quality of web weld joints can be improved, the whole movable type web welding device is arranged to be movable, and on the premise that the safety of operators is guaranteed, the welding operation progress can be accelerated.

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Description

Technical Field

[0001] The invention relates to the field of steel structure construction, in particular to a windproof tooling for steel structure weld construction. Background Art

[0002] Dengkou Yellow River Bridge is located in Dengkou County, Bayannur City, Inner Mongolia Autonomous Region and Balagong Town, Hangjin Banner, Ordos City. The main bridge adopts (102+4×178+102)m steel-concrete mixed continuous beam, the main beam is composed of prestressed concrete box beam and steel-concrete combined section structure. The 54.6m beam section in the middle of the main span and the 40.3m beam section in the side span are steel box beams, and the remaining sections are prestressed concrete box beams. A steel-concrete combined section structure is set between the steel box beam and the prestressed concrete box beam. The steel box beam of the main bridge adopts a single-box single-chamber box beam with equal height, with a bridge deck width of 12.2m, a box width of 8.2m, and a box beam height of 8.452m. The standard segment diaphragm is a truss-type hollow cross diaphragm with a longitudinal spacing of 3m.

[0003] Each span of the side span steel box girder is divided into 6 steel box girder segments + 2 steel-concrete combined segments, and each span of the middle span and sub-middle span steel box girder is divided into 7 steel box girder segments + 4 steel-concrete combined segments. After positioning every two steel box girder segments, the high-strength bolts of the top plate U rib are initially tightened, and then the top plate, bottom plate and web plate are welded; among them, the web plate is welded in vertical position, and environmental factors (such as wind speed) have a great influence on the welding quality of vertical welding. In addition, the location of the Dengkou Yellow River Bridge belongs to an area with more windy and sandy weather all year round. It is also a controlling project of the Baoji-Yinchuan High-speed Railway, with a tight schedule and heavy tasks. Therefore, it is necessary to design a windproof tooling for steel structure weld construction to solve the problems existing in the above-mentioned prior art. Summary of the invention

[0004] Based on the above problems, the purpose of the present invention is to provide a windproof tooling for steel structure weld construction to solve the problems existing in the above-mentioned prior art.

[0005] The present invention adopts the following technical solution:

[0006] The present invention provides a windproof tool for steel structure weld construction, comprising:

[0007] A ladder cage body, wherein the number of the ladder cage bodies is two, and the two ladder cage bodies are correspondingly arranged at the welds on both sides of the steel box girder; the sides of the two ladder cage bodies that are close to each other are respectively against the web of the steel box girder, and the outer surfaces of the other sides are wrapped with windshield plates;

[0008] A connecting component is arranged between the two cage bodies, two ends of the connecting component are respectively connected to the corresponding cage bodies, and the bottom of the connecting component is against the top plate of the steel box beam.

[0009] Furthermore, the elevator cage body includes a first vertical section, the top of the first vertical section is connected to the connecting assembly, the bottom of the first vertical section is connected to a horizontal section, the end of the horizontal section is connected to a second vertical section, and the side of the second vertical section rests on the web of the steel box girder.

[0010] Furthermore, the connecting assembly includes a plurality of connecting beams arranged in parallel and at intervals, and both ends of the connecting beams are respectively connected to the top of the corresponding first vertical sections; a plurality of supporting structures arranged at intervals are provided at the bottom of the connecting beams, and the bottom of the supporting structures rests on the top plate of the steel box girder.

[0011] Furthermore, the supporting structure includes a vertically arranged support rod, the top of the support rod is connected to the bottom of the connecting beam, and the bottom of the support rod is against the top plate of the steel box beam; the side of the support rod is connected to an inclined rod, and the end of the inclined rod is connected to the connecting beam.

[0012] Furthermore, the side of the first vertical section is connected with an inclined first reinforcing rod.

[0013] Furthermore, the side of the horizontal section is connected to a second reinforcing rod that is arranged obliquely, and the end of the second reinforcing rod is connected to the side of the first vertical section.

[0014] Furthermore, a side portion of the second vertical section is connected to a third reinforcing rod arranged obliquely, and a distal end of the third reinforcing rod is connected to an end portion of the horizontal section.

[0015] Furthermore, a fourth reinforcing rod arranged obliquely is connected to the middle of the third reinforcing rod, and a terminal end of the fourth reinforcing rod is connected to a corner between the horizontal section and the second vertical section.

[0016] Compared with the prior art, the beneficial technical effects of the present invention are:

[0017] By providing the cage body, windshield and connection components, not only can the welding quality of the web weld be improved, but the overall arrangement of the present invention is also movable, which can speed up the progress of the welding operation while ensuring the safety of the operators. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below in conjunction with the accompanying drawings.

[0019] Figure 1 It is a front view of the windproof tooling for steel structure weld construction of the present invention;

[0020] Figure 2 It is a front view of the main body of the elevator cage of the present invention.

[0021] Explanation of the reference numerals: 1. cage body; 11. first vertical section; 111. first I-beam; 112. first angle; 12. horizontal section; 121. second I-beam; 122. second angle; 123. third angle; 124. fourth angle; 13. second vertical section; 131. third I-beam; 132. fifth angle; 14. first reinforcing rod; 15. second reinforcing rod; 16. third reinforcing rod; 17. fourth reinforcing rod; 2. steel box girder; 201. web; 202. top plate; 3. wind deflector; 4. connecting assembly; 41. connecting beam; 42. supporting structure; 421. support rod; 422. diagonal rod. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0023] like Figure 1-Figure 2 As shown, the present embodiment discloses a windproof tooling for weld construction of steel structure, including a cage body 1, wherein the number of cage bodies 1 is two, and the two cage bodies 1 are correspondingly arranged at the welds on both sides of the steel box girder 2; the sides of the two cage bodies 1 that are close to each other are respectively abutted against the web 201 of the steel box girder 2, and the outer surfaces of the other sides are wrapped with wind shield plates 3; a connecting component 4 is arranged between the two cage bodies 1, and the two ends of the connecting component 4 are respectively connected to the corresponding cage bodies 1, and the bottom thereof is abutted against the top plate 202 of the steel box girder 2.

[0024] In this embodiment, the connecting component 4 connects the two cage bodies 1 into a whole, and there is an abutment relationship between the bottom of the connecting component 4 and the top plate 202 of the steel box girder 2, and between the cage body 1 and the web 201 of the steel box girder 2, thereby ensuring the stability of the present invention after installation; the arranged cage body 1 can provide the operators with up and down passages and stable support during welding operations; the wind shield 3 wrapped on the cage body 1 can play a role in shielding wind and sand; when the welding of the web 201 weld at one place is completed, the present invention can be moved to the next welding position by a crane or other auxiliary tools to continue the welding operation.

[0025] By adopting this solution and setting the above structure, not only can the welding quality of the weld of the web 201 be improved, but the overall setting of the present invention is movable, which can speed up the progress of the welding operation while ensuring the safety of the operators.

[0026] A further optimized solution is that the cage body 1 includes a first vertical section 11, the top of the first vertical section 11 is connected to the connecting assembly 4, the bottom of the first vertical section 11 is connected to a horizontal section 12, the end of the horizontal section 12 is connected to a second vertical section 13, and the side of the second vertical section 13 rests on the web 201 of the steel box girder 2.

[0027] In this embodiment, the first vertical section 11 includes four vertically arranged first I-beams 111, and the four first I-beams 111 are arranged in a square. A horizontally arranged first angle steel 112 is fixed between two adjacent first I-beams 111 by welding, and the first angle steel 112 is arranged in multiple layers along the vertical direction; the first angle steel 112 connects the four first I-beams 111 into a whole, and the first angle steel 112 serves as a support for workers to climb up and down.

[0028] It should be noted that the first angle steel 112 is not provided within a certain range of the top and bottom of the first vertical section 11 on one side close to the steel box girder 2, so as to facilitate the staff to enter the first vertical section 11 from the top plate 202 of the steel box girder 2 and enter the horizontal section 12 from the first vertical section 11.

[0029] The horizontal section 12 includes two second I-beams 121 arranged horizontally in parallel and at intervals. The two second I-beams 121 are respectively welded and fixed to the bottoms of two first I-beams 111 located on the same side. A plurality of second angle steels 122 are fixed in parallel and at intervals between the two second I-beams 121. The second angle steels 122 connect the two second I-beams 121 into a whole. A hot-dip galvanized steel springboard is fixed on the top surface of the second angle steels 122, which serves as an up and down passage for workers and a platform for welding operations. A plurality of vertically arranged third angle steels 123 are fixed in parallel and at intervals on the top surfaces of the two second I-beams 121. A horizontally arranged fourth angle steel 124 is commonly fixed on the tops of the plurality of third angle steels 123. The ends of the fourth angle steels 124 are fixedly connected to the corresponding first I-beams 111. The third angle steels 123 and the fourth angle steels 124 together constitute a guardrail on the side of the platform.

[0030] The second vertical section 13 includes four vertically arranged third I-beams 131, which are arranged in a square shape. The tops of two third I-beams 131 on the same side are fixedly connected to the corresponding second I-beams 121 respectively; a horizontally arranged fifth angle steel 132 is fixed between two adjacent third I-beams 131, and the fifth angle steel 132 is arranged in multiple layers along the vertical direction; the fifth angle steel 132 connects the four third I-beams 131 into a whole, and the fifth angle steel 132 serves as a support for operators to climb up and down and perform welding operations.

[0031] The windshield 3 is configured as a colored steel tile, which is covered on the surface of the three side walls of the third I-beam 131 and the guardrail composed of the third angle steel 123 and the fourth angle steel 124, and the colored steel tile is fixed to the fifth angle steel 132, the third angle steel 123 and the fourth angle steel 124 by self-tapping screws.

[0032] According to a further optimized solution, the connecting component 4 includes a plurality of connecting beams 41 arranged in parallel and at intervals, and the two ends of the connecting beams 41 are respectively connected to the top of the corresponding first vertical section 11; a plurality of supporting structures 42 arranged at intervals are provided at the bottom of the connecting beams 41, and the bottom of the supporting structures 42 rests on the top plate 202 of the steel box girder 2.

[0033] In this embodiment, there are two connecting beams 41 , and the ends of the two connecting beams 41 are respectively fixedly connected to the top of the first I-beam 111 located on the same side; support structures 42 are provided on both sides of the bottom of each connecting beam 41 .

[0034] With this solution, the two cage bodies 1 can be connected as a whole by means of the connecting crossbeam 41 ; and the supporting structure 42 can provide stable support for the connecting crossbeam 41 and the cage body 1 as a whole.

[0035] In a further optimized solution, the support structure 42 includes a vertically arranged support rod 421, the top of the support rod 421 is fixedly connected to the bottom of the connecting cross beam 41, and the bottom of the support rod 421 is against the top plate 202 of the steel box girder 2; the side of the support rod 421 is fixedly connected with an inclined rod 422, and the end of the inclined rod 422 is fixedly connected to the connecting cross beam 41. The support rod 421 and the inclined rod 422 form a triangular structure with the connecting cross beam 41, so as to play a role in stabilizing the connecting cross beam 41 and the entire cage body 1.

[0036] According to a further optimized solution, a first reinforcing rod 14 which is arranged obliquely is connected to the side of the first vertical section 11 .

[0037] In this embodiment, except for the two first I-beams 111 close to the steel box girder 2, the other two first I-beams 111 are all fixed with first reinforcing rods 14. The first reinforcing rods 14 can improve the stability of the first vertical section 11.

[0038] In a further optimized solution, the side of the horizontal section 12 is connected to an inclined second reinforcing rod 15 , and the end of the second reinforcing rod 15 is connected to the side of the first vertical section 11 .

[0039] In this embodiment, a second reinforcing rod 15 is fixed between each of the two second I-beams 121 and the corresponding first I-beam 111. The second reinforcing rod 15 can improve the connection stability between the first vertical section 11 and the horizontal section 12.

[0040] According to a further optimized solution, a third reinforcing rod 16 arranged obliquely is connected to the side of the second vertical section 13 , and a distal end of the third reinforcing rod 16 is connected to the end of the horizontal section 12 .

[0041] In this embodiment, the third reinforcing rods 16 are fixed to the two third I-beams 131 on the side away from the steel box girder 2, and the ends of the third reinforcing rods 16 are fixedly connected to the corresponding second I-beams 121. The third reinforcing rods 16 can improve the connection stability between the horizontal section 12 and the second vertical section 13.

[0042] In a further optimized solution, a fourth reinforcing rod 17 arranged obliquely is fixedly connected to the middle of the third reinforcing rod 16, and the end of the fourth reinforcing rod 17 is fixedly connected to the corner of the horizontal section 12 and the second vertical section 13. The fourth reinforcing rod 17 can further improve the connection stability between the horizontal section 12 and the second vertical section 13.

[0043] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A windproof tool for steel structure weld construction, characterized by: include: A ladder cage main body (1), wherein the number of the ladder cage main bodies (1) is two, and the two ladder cage main bodies (1) are correspondingly arranged at the welds on both sides of the steel box girder (2); the sides of the two ladder cage main bodies (1) that are close to each other are respectively abutted against the web (201) of the steel box girder (2), and the outer surfaces of the other sides are wrapped with windshield plates (3); A connecting component (4), the connecting component (4) is arranged between the two cage bodies (1), the two ends of the connecting component (4) are respectively connected to the corresponding cage bodies (1), and the bottom of the connecting component (4) is against the top plate (202) of the steel box girder (2).

2. The windproof tooling for steel structure weld construction according to claim 1 is characterized by: The cage body (1) comprises a first vertical section (11), the top of the first vertical section (11) is connected to the connecting assembly (4), the bottom of the first vertical section (11) is connected to a horizontal section (12), the end of the horizontal section (12) is connected to a second vertical section (13), and the side of the second vertical section (13) is against the web (201) of the steel box girder (2).

3. The windproof tooling for steel structure weld construction according to claim 2 is characterized by: The connection assembly (4) comprises a plurality of connection beams (41) arranged in parallel and at intervals, wherein the two ends of the connection beams (41) are respectively connected to the top of the corresponding first vertical section (11); a plurality of support structures (42) arranged in intervals are provided at the bottom of the connection beams (41), and the bottom of the support structures (42) rests on the top plate (202) of the steel box beam (2).

4. The windproof tooling for steel structure weld construction according to claim 3 is characterized by: The supporting structure (42) comprises a vertically arranged support rod (421), the top of the support rod (421) is connected to the bottom of the connecting cross beam (41), and the bottom of the support rod (421) is against the top plate (202) of the steel box girder (2); the side of the support rod (421) is connected to an inclined rod (422), and the end of the inclined rod (422) is connected to the connecting cross beam (41).

5. The windproof tooling for steel structure weld construction according to claim 2 is characterized by: The side of the first vertical section (11) is connected to a first reinforcing rod (14) which is arranged obliquely.

6. The windproof tooling for steel structure weld construction according to claim 2 is characterized by: The side of the horizontal section (12) is connected to a second reinforcing rod (15) arranged obliquely, and the end of the second reinforcing rod (15) is connected to the side of the first vertical section (11).

7. The windproof tooling for steel structure weld construction according to claim 2 is characterized by: A third reinforcing rod (16) arranged obliquely is connected to the side of the second vertical section (13), and a distal end of the third reinforcing rod (16) is connected to the end of the horizontal section (12).

8. The windproof tooling for steel structure weld construction according to claim 7 is characterized by: The middle of the third reinforcing rod (16) is connected to a fourth reinforcing rod (17) which is arranged obliquely, and the end of the fourth reinforcing rod (17) is connected to the corner between the horizontal section (12) and the second vertical section (13).