Multi-box single-chamber steel box girder machining and manufacturing device

Abstract

The utility model discloses a multi-box single-chamber steel box girder machining and manufacturing device which comprises a plurality of box bodies, the box bodies are of independent structures, the cross sections of the box bodies are of trapezoidal structures with the wide upper portions and the narrow lower portions, decorative arc plates are welded to the surfaces of the outer sides of the box bodies, and the decorative arc plates are welded to the surfaces of the outer sides of the box bodies. When a steel box girder is machined, the web plate, the decorative partition plate and the top plate are welded on the plane in advance, an overhead welding seam and a vertical welding seam are effectively converted into a flat welding seam, the welding difficulty is reduced through the improved welding method, the welding quality is remarkably improved, and the welding quality is improved. Due to the fact that flat welding seams are easier to control, the possibility of welding defects and welding stress is greatly reduced, the overall structural strength and safety of the steel box girder are improved, in addition, through plane welding, the skill requirements for welding workers can be reduced, the production efficiency is improved, and the labor cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel box girders, and in particular relates to a processing and manufacturing device for a multi-box single-chamber steel box girder. Background Art

[0002] In recent years, with the rapid development of steel structure technology in my country, steel box girders, as an efficient and durable building structure material, have been widely used in the field of municipal bridge design and construction. With its high strength, good seismic performance and fast construction speed, steel box girders have gradually become the preferred material in bridge engineering. With the continuous advancement of technology and the accumulation of construction experience, my country's steel box girder design and construction technology has matured, providing strong technical support for municipal bridge engineering.

[0003] Although the steel box girder technology has made significant progress, in the actual processing process, due to improper processing methods, the quality and appearance of the steel box girder are often unqualified, which not only affects the performance and appearance of the bridge, but also may increase the processing cost, leading to a series of problems such as project delays. Therefore, how to improve the processing quality of steel box girders and ensure their perfect appearance has become an urgent problem to be solved in the current municipal bridge design and construction process. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a multi-box single-chamber steel box girder processing and manufacturing device to solve the problem raised in the above background technology that although the steel box girder technology has made significant progress, in the actual processing process, due to improper processing methods, the quality and appearance of the steel box girder are often unqualified, which not only affects the performance and appearance of the bridge, but also may increase the processing cost, leading to a series of problems such as project delays.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-box single-chamber steel box girder processing and manufacturing device, including a box body, wherein a plurality of the box bodies are provided, and the plurality of the box bodies are independent structures, and the box body presents a trapezoidal structure that is wide at the top and narrow at the bottom along the cross section, and a decorative arc plate is welded to the outer surface of the box body, and a decorative partition plate is installed on the inner side of the decorative arc plate, and the box body includes a top plate, a bottom plate, a partition plate, a web plate and stiffening ribs, and the top plate and the web plate are welded to each other.

[0006] Preferably, the stiffening ribs are welded and fixed to the base plate.

[0007] Preferably, the partition is uniformly welded to the box body longitudinally.

[0008] Preferably, the web is fixed to the base plate by welding.

[0009] Preferably, a plurality of the boxes are connected to each other via round tubes.

[0010] Preferably, a scaffolding board is overlapped on the circular tube.

[0011] Preferably, a plurality of the boxes are connected to each other at an angle of 70°.

[0012] Compared with the prior art, the utility model provides a multi-box single-chamber steel box girder processing and manufacturing device, which has the following beneficial effects:

[0013] 1. When processing steel box girders, the utility model pre-welds the web plate with the decorative partition plate and the top plate on a plane, effectively converting the overhead weld and the vertical weld into a flat weld. This improved welding method not only reduces the welding difficulty, but also significantly improves the welding quality. Since the flat weld is easier to control, the possibility of welding defects and welding stress is greatly reduced, thereby improving the overall structural strength and safety of the steel box girder. In addition, by welding on a plane, the skill requirements for welding workers can be reduced, production efficiency can be improved, and labor costs can be reduced. This effectively avoids the problem that although the steel box girder technology has made significant progress, the quality and appearance of the steel box girder are often unqualified due to improper processing methods in the actual processing process, which not only affects the performance and appearance of the bridge, but also may increase the processing cost, leading to a series of problems such as project delays;

[0014] 2. The utility model reduces the difficulty of installing the decorative arc plate. By rotating the box body by about 70°, the welds that originally required overhead welding are transformed into flat welding welds, which greatly simplifies the installation process of the decorative arc plate. This rotation installation method not only improves the construction efficiency, but also reduces the safety risks during the installation process. Since the installation quality of the decorative arc plate directly affects the appearance and waterproof performance of the steel box girder, this improved installation method ensures the perfect combination of the decorative arc plate and the steel box girder, and improves the overall aesthetics and durability.

[0015] 3. The utility model realizes effective control of construction costs by rotating and installing the decorative arc plate after the box body is welded. Traditional overhead welding and vertical welding are not only difficult to weld, but also require more welding materials and labor costs. The flat welding method of the utility model reduces the consumption of welding materials and labor, and reduces the overall construction cost. At the same time, due to the improvement of welding quality, the subsequent possible maintenance and replacement costs are reduced, further improving the economic benefits of the project. In addition, by optimizing the construction process, the construction progress is accelerated, creating conditions for the early completion of the project, thereby reducing project management and capital costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 This is a structural schematic diagram of a multi-box single-chamber steel box girder processing and manufacturing device proposed by the utility model;

[0018] Figure 2 It is a three-dimensional schematic diagram of a multi-box single-chamber steel box girder processing and manufacturing device proposed by the utility model during welding;

[0019] In the figure: 1. Bottom plate; 2. Web plate; 3. Top plate; 4. Partition plate; 5. Stiffening ribs; 6. Decorative arc plate; 7. Decorative partition plate; 8. Round tube; 9. Scaffolding board. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-2 The utility model provides a technical solution: a multi-box single-chamber steel box girder processing and manufacturing device, including a box body, a plurality of box bodies are provided, and the plurality of box bodies are independent structures. The box body is a trapezoidal structure with a width on the top and a narrowness on the bottom along the cross section. A decorative arc plate 6 is welded on the outer surface of the box body, and a decorative partition plate 7 is installed on the inner side of the decorative arc plate 6. The box body includes a top plate 3, a bottom plate 1, a partition plate 4, a web plate 2 and a stiffening rib 5. The top plate 3 and the web plate 2 are welded to each other. When processing the steel box girder, the utility model pre-welds the web plate 2 with the decorative partition plate 7 and the top plate 3 on a plane, effectively converting the overhead welding seam and the vertical welding seam into a flat welding seam. This improved welding method not only reduces The difficulty of welding is reduced, and the welding quality is significantly improved. Since the flat weld is easier to control, the possibility of welding defects and welding stress is greatly reduced, thereby improving the overall structural strength and safety of the steel box girder. In addition, by welding on the plane, the skill requirements for welding workers can be reduced, production efficiency can be improved, and labor costs can be reduced. It effectively avoids the problem that although the steel box girder technology has made significant progress, in the actual processing process, due to improper processing methods, the quality and appearance of the steel box girder are often unqualified, which not only affects the performance and appearance of the bridge, but may also increase processing costs, leading to a series of problems such as project delays.

[0022] In the present invention, preferably, the stiffening ribs 5 are fixed on the base plate 1 by welding.

[0023] In the present invention, preferably, the partition plate 4 is uniformly welded to the box body longitudinally.

[0024] In the utility model, preferably, the web 2 is welded and fixed on the base plate 1. The utility model reduces the difficulty of installing the decorative arc plate 6. By rotating the box body about 70°, the welds that originally required overhead welding are converted into flat welding welds, which greatly simplifies the installation process of the decorative arc plate 6. This rotation installation method not only improves the construction efficiency, but also reduces the safety risks during the installation process. Since the installation quality of the decorative arc plate 6 directly affects the appearance and waterproof performance of the steel box girder, this improved installation method ensures the perfect combination of the decorative arc plate 6 and the steel box girder, and improves the overall aesthetics and durability.

[0025] In the present invention, preferably, a plurality of boxes are connected to each other via round tubes 8 .

[0026] In the utility model, preferably, a scaffolding board 9 is overlapped on the circular tube 8 .

[0027] In the present invention, preferably, several boxes are interconnected at 70°. By rotating and installing the decorative arc plate 6 after the box is welded, effective control of construction costs is achieved. Traditional overhead welding and vertical welding are not only difficult to weld, but also require more welding materials and labor costs. The flat welding method of the present invention reduces the consumption of welding materials and labor, and reduces the overall construction cost. At the same time, due to the improvement of welding quality, the subsequent possible maintenance and replacement costs are reduced, further improving the economic benefits of the project. In addition, by optimizing the construction process, the construction progress is accelerated, creating conditions for the early completion of the project, thereby reducing project management and capital costs.

[0028] The working principle and use process of the utility model: when in use, the web 2 and the top plate 3 are welded together at an angle on the plane, and there is a decorative arc plate 6 on one side. The decorative partition 7 is also evenly welded on the web 2 according to the position of the partition. The bottom plate 1 is erected on the tire frame, the bottom plate 1 stiffening rib 5 is welded on the bottom plate 1, and the partition is evenly welded on the bottom plate 1. The web 2 and top plate 3 with the decorative partition 7 and the web 2 and top plate 3 without the decorative partition 7 that have been welded in advance are respectively welded on the left and right sides of the partition on the bottom plate 1 to form a trapezoidal box. The above description changes the butt overhead weld between the top plate 3 and the web 2 into a flat weld to improve the weld quality.

[0029] After welding is completed, the box body that needs to be installed with the decorative arc panel 6 is rotated about 70° with one side of the decorative arc panel 6 facing upward. As shown in the figure, two boxes that need to be installed with the decorative arc panel 6 are placed side by side, and the two boxes are welded with round tubes 8. The round tubes 8 are set up every two to three meters, and scaffolding boards 9 are set up above the round tubes 8 to form a working platform. Changing the installation of the decorative arc panel 6 from vertical installation to horizontal installation reduces the installation difficulty and improves the processing efficiency of the steel box girder.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-box single-chamber steel box girder processing and manufacturing device, comprising a box body, characterized in that: A plurality of boxes are provided, each of which is an independent structure. The box presents a trapezoidal structure along the cross section, which is wide at the top and narrow at the bottom. A decorative arc plate (6) is welded to the outer surface of the box, and a decorative partition plate (7) is installed on the inner side of the decorative arc plate (6). The box comprises a top plate (3), a bottom plate (1), a partition plate (4), a web plate (2) and stiffening ribs (5), and the top plate (3) and the web plate (2) are welded to each other.

2. The multi-box single-chamber steel box girder processing and manufacturing device according to claim 1 is characterized in that: The stiffening ribs (5) are welded and fixed on the base plate (1).

3. The multi-box single-chamber steel box girder processing and manufacturing device according to claim 1 is characterized in that: The partition plate (4) is uniformly welded to the box body in the longitudinal direction.

4. The multi-box single-chamber steel box girder processing and manufacturing device according to claim 1 is characterized in that: The web (2) is welded and fixed on the bottom plate (1).

5. The multi-box single-chamber steel box girder processing and manufacturing device according to claim 1 is characterized in that: A plurality of the boxes are connected to each other via circular tubes (8).

6. The multi-box single-chamber steel box girder processing and manufacturing device according to claim 5 is characterized in that: A scaffolding board (9) is overlapped on the circular tube (8).

7. The multi-box single-chamber steel box girder processing and manufacturing device according to claim 1 is characterized in that: The plurality of boxes are connected to each other at an angle of 70°.

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