Continuous box girder edge protection working platform

Abstract

The utility model relates to the technical field of box girder construction, and particularly discloses a continuous box girder edge protection working platform. The working platform comprises a working platform body, the working platform body comprises a plurality of working platform assemblies arranged above an I-shaped steel cross beam, a fastening device for directly fixing the working platform assemblies to the I-shaped steel cross beam is arranged between every two adjacent working platform assemblies, each fastening device comprises a U-shaped fastening bolt, and a containing part is formed in each fastening bolt. External threads and fastening nuts in threaded connection with the fastening bolts are arranged at the two ends of the fastening bolts, and the two ends of the fastening bolts penetrate through fixing flanges arranged below the adjacent working platform bodies correspondingly and fix the I-shaped steel cross beams in the containing parts. The working platform main body is installed and fixed by utilizing the existing I-shaped steel cross beam, so that the working platform main body is more convenient and faster to install and fix, welding is reduced, the working platform can be repeatedly used, and the construction cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to box girder construction technical field, concretely relates to a continuous box girder edge protection working platform. BACKGROUND

[0002] In the construction process of the variable cross-section prestressed continuous box girder cantilever casting method, the hanging basket edge protection and the operation platform setting have great difficulty and low standardization level. There are many high-altitude operations in the bridge construction site, and the environment is changeable. The installation and adjustment of the hanging basket edge protection and the operation platform need to adapt to different construction stages and conditions, and the construction difficulty is great. The structure characteristics and construction requirements of each bridge project are different, and the individualized operation platform design is needed, so the standardization difficulty is high. Therefore, the setting of the hanging basket edge protection and the operation platform is often one-time, which is difficult to be reused in other projects, and the construction cost is high. CONTENT OF THE UTILITY MODEL

[0003] The utility model provides a continuous box girder edge protection working platform, which can overcome some or some defects of the prior art.

[0004] According to the continuous box girder edge protection working platform of the utility model, the working platform main body includes a plurality of working platform components arranged above the I-beam, a fastening device for directly fixing the working platform component to the I-beam is arranged between adjacent working platform components, the fastening device includes a U-shaped fastening bolt, a placing part is formed in the fastening bolt, external threads are arranged at both ends of the fastening bolt, and a fastening nut is arranged in threaded connection with the fastening bolt, both ends of the fastening bolt pass through the fixing flange arranged below the adjacent working platform main body and fix the I-beam in the placing part.

[0005] According to the continuous box girder edge protection working platform of the utility model, the working platform component is hoisted to the upper side of the existing I-beam, is aligned with the predetermined position, the fastening bolt is placed below the working platform component, both ends of the fastening bolt pass through the fixing flange below the adjacent working platform component, the fastening nut at both ends of the fastening bolt is tightened, the placing part in the fastening bolt tightly clamps the I-beam, and the working platform component is fixed on the I-beam. The existing I-beam is used to install and fix the working platform main body, so that the installation and fixation are more convenient and fast. The design of the fastening bolt and the fastening nut provides firm connection, ensures that the working platform component is stably fixed on the I-beam, and increases the safety of the whole working platform main body. The design of the fastening device reduces the welding operation, so that the working platform component can be repeatedly used and has higher economy. The design of the fastening device also makes the installation process of the working platform component simple and fast, is easy to adjust, and improves the work efficiency.

[0006] As preferred, the working platform assembly comprises a rectangular load-bearing frame, which is horizontally arranged and provided with a corrugated steel plate above, and a fixing flange is arranged at each corner of the load-bearing frame, and a plurality of hollow vertical rods perpendicular to the load-bearing frame are arranged at one side of the load-bearing frame in the length direction, and a skirting board is arranged between the hollow vertical rods.

[0007] Through the utility model, the design of the load-bearing frame ensures the load-bearing capacity of the working platform assembly, which can bear the weight of various equipment and materials in the construction process; the design of the corrugated steel plate provides good anti-skid performance, reduces the risk of slipping of the workers, and improves the safety; the arrangement of the skirting board can prevent the falling of materials and tools, protect the safety of the workers and equipment below, and further improve the safety; the design of the fixing flange arranged at each corner of the load-bearing frame also helps to uniformly distribute the load transmitted to the fastening device and reduce damage caused by uneven load.

[0008] As preferred, the working platform assembly further comprises protective mesh arranged above the working platform assembly for protection, and a connecting device for connecting the protective mesh is arranged between adjacent protective meshes, and the protective mesh comprises a protective mesh body arranged vertically, the protective mesh body is rectangular, and a plurality of connecting columns are arranged on the protective mesh body in the length direction.

[0009] Through the utility model, the protective mesh provides additional safety protection for the working platform assembly, which can prevent the workers and materials from falling from the platform and reduce the risk of accidents; the arrangement of the connecting device makes the installation and disassembly of the protective mesh more convenient; the design of the protective mesh also reduces the wind resistance and the weight of the protective mesh, thereby reducing the burden of the structure.

[0010] As preferred, a first through hole for mounting and cooperating with the protective mesh is arranged on the hollow vertical rod, a second through hole for mounting and cooperating with the load-bearing frame is arranged on the connecting column, an installation cavity is formed in the hollow vertical rod, the connecting column is inserted into the installation cavity of the hollow vertical rod, and a bolt is arranged to pass through the first through hole and the second through hole at the same time.

[0011] Through the utility model, the installation cavity is formed in the hollow vertical rod, which facilitates the connection of the protective mesh and the load-bearing frame, and only the connecting column needs to be inserted into the installation cavity of the hollow vertical rod, and then the first through hole and the second through hole arranged on the hollow vertical rod and the connecting column are fixed by using the bolt, the connection is more fastened, the disassembly is convenient, the protective mesh can be recycled, and the utility model is more economical and environmentally friendly.

[0012] As preferred, the connecting device comprises a connecting flange arranged above the protective mesh body, a connecting clamp is arranged between adjacent protective mesh bodies, and the connecting flange and the connecting clamp are bolted.

[0013] The connecting flange is located above the protective mesh body and is connected with the connecting card through bolts, so that a firm and stable structure can be provided, external forces such as wind force and impact can be effectively resisted, the design of the connecting flange and the connecting card simplifies the installation process, on-site construction personnel can quickly combine the protective meshes together, and work efficiency is improved; when the protective mesh needs to be repaired or replaced, the bolts can be easily disassembled, the damaged part is taken out for replacement, and maintenance work is more convenient.

[0014] Preferably, the working platform body is made of Q690D steel.

[0015] The working platform body made of Q690D steel has high strength, so that the working platform body can bear greater load and is suitable for conditions requiring high bearing capacity; meanwhile, the working platform body has good welding performance, facilitates on-site welding operation, and can ensure firm connection between the working platform bodies; the working platform body made of Q690D steel also has high fatigue resistance and corrosion resistance, can bear repeated load in the construction process without metal fatigue, and can resist chemical corrosion on the construction site to a certain extent, facilitating recycling of the working platform body. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of a continuous box girder edge protection working platform;

[0017] Figure 2 It is a schematic view of a working platform body;

[0018] Figure 3 It is a schematic view of a working platform assembly;

[0019] Figure 4 It is a schematic view of a working platform assembly;

[0020] Figure 5 It is a schematic view of a local A;

[0021] Figure 6 It is a schematic view of a fastening device;

[0022] Figure 7 It is a schematic view of a connecting card. DETAILED DESCRIPTION

[0023] In order to further understand the content of the utility model, the utility model is described in detail in combination with embodiments. It should be understood that the embodiments are only used to explain the utility model and are not limited.

[0024] Embodiment 1

[0025] As Figures 1-7As shown, the embodiment provides a continuous box girder edge protection work platform, which comprises a work platform body 100, the work platform body 100 comprises a plurality of work platform assemblies 120 arranged above the I-beam 110, a fastening device 130 is arranged between adjacent work platform assemblies 120 to directly fix the work platform assembly 120 to the I-beam 110, the fastening device 130 comprises a U-shaped fastening bolt 131, the inside of the fastening bolt 131 forms a placing portion 132, the both ends of the fastening bolt 131 are provided with external threads and a fastening nut 133 which is screwed with the fastening bolt 131, and the both ends of the fastening bolt 131 pass through the fixing flange 210 arranged below the adjacent work platform body 100 and fix the I-beam 110 in the placing portion 132.

[0026] Through the embodiment, the work platform assembly 120 is hoisted above the existing I-beam 110, aligned with the predetermined position, and then the fastening bolt 131 is placed below the work platform assembly 120, the both ends of the fastening bolt 131 pass through the fixing flange 210 below the adjacent work platform assembly 120, the fastening nut 133 at the both ends of the fastening bolt 131 is tightened, the placing portion 132 inside the fastening bolt 131 tightly clamps the I-beam 110, so as to fix the work platform assembly 120 on the I-beam 110; the existing I-beam 110 is used to install and fix the work platform body 100, so that the installation and fixation are more convenient and fast; the design of the fastening bolt 131 and the fastening nut 133 provides a firm connection, ensures that the work platform assembly 120 is stably fixed on the I-beam 110, and increases the safety of the entire work platform body 100; the design of the fastening device 130 reduces the welding operation, so that the work platform assembly 120 can be repeatedly used, and has higher economy; the design of the fastening device 130 also makes the installation process of the work platform assembly 120 simple and fast, and easy to adjust, which improves the work efficiency.

[0027] In the embodiment, the work platform assembly 120 comprises a rectangular load-bearing frame 220, the load-bearing frame 220 is horizontally arranged and provided with a patterned steel plate 230 above, the fixing flange 210 is located at the four corners of the load-bearing frame 220, and a plurality of hollow vertical rods 310 perpendicular to the load-bearing frame 220 are arranged on one side of the length direction of the load-bearing frame 220, and a kick plate 320 is arranged between the hollow vertical rods 310.

[0028] Through the embodiment, the design of the load-bearing frame 220 ensures the load-bearing capacity of the working platform assembly 120, which can bear the weight of various equipment and materials during the construction process; the design of the checkered steel plate 230 provides good anti-skid performance, reduces the risk of slipping for the workers, and improves safety; the setting of the skirting board 320 can prevent the falling of materials and tools, protect the safety of the workers and equipment below, and further improve safety; the design of the fixing flange 210 at the four corners of the load-bearing frame 220 also helps to evenly distribute the load transmitted to the fastening device 130, reducing damage caused by uneven load.

[0029] In the embodiment, the working platform body 100 further includes protective mesh 330 arranged above the working platform assembly 120 for protection, and the connecting device 140 is arranged between adjacent protective mesh 330 for connecting the protective mesh 330. The protective mesh 330 includes a vertically arranged protective mesh body 331, which is rectangular. A plurality of connecting columns 340 are arranged in the length direction of the protective mesh body 331.

[0030] Through the embodiment, the protective mesh 330 provides additional safety protection for the working platform assembly 120, which can prevent workers and materials from falling from the platform and reduce the risk of accidents. The setting of the connecting device 140 makes the installation and disassembly of the protective mesh 330 more convenient. The design of the protective mesh 330 also reduces wind resistance while reducing its own weight, reducing the burden on the structure.

[0031] In the embodiment, the hollow vertical rod 310 is provided with a first through hole 311 for installation and cooperation with the protective mesh 330, and the connecting column 340 is provided with a second through hole 341 for installation and cooperation with the load-bearing frame 220. The hollow vertical rod 310 forms an installation cavity inside, and the connecting column 340 is inserted into the installation cavity 312 inside the hollow vertical rod 310 and is fixed by a bolt 313 that passes through the first through hole 311 and the second through hole 341 at the same time.

[0032] Through the embodiment, the hollow vertical rod 310 forms an installation cavity 312 inside, which facilitates the connection of the protective mesh 330 and the load-bearing frame 220. Only the connecting column 340 needs to be inserted into the installation cavity 312 inside the hollow vertical rod 310, and then the first through hole 311 and the second through hole 341 provided on the hollow vertical rod 310 and the connecting column 340, respectively, are fixed by the bolt 313. The connection is more secure and convenient to disassemble, and it can also be recycled, which is more economical and environmentally friendly.

[0033] In the embodiment, the connecting device 140 includes a connecting flange 350 arranged above the protective mesh body 331, and a connecting card 410 is arranged between adjacent protective mesh bodies 331. The connecting flange 350 and the connecting card 410 are bolted.

[0034] Through the embodiment, the connecting flange 350 is located above the protective mesh body 331 and is connected with the connecting card 410 through bolts, which can provide a firm and stable structure and effectively resist external forces such as wind force and impact; the design of the connecting flange 350 and the connecting card 410 simplifies the installation process, and on-site construction personnel can quickly assemble the protective mesh 330 together, improving work efficiency; when the protective mesh 330 needs to be repaired or replaced, the bolts can be easily disassembled, and the damaged part can be removed and replaced, making maintenance work more convenient.

[0035] In the embodiment, the working platform body 100 is made of Q690D steel.

[0036] Through the embodiment, the working platform body 100 made of Q690D steel has high strength, so that the working platform body 100 can bear greater load and is suitable for situations requiring high bearing capacity; at the same time, it has good welding performance, facilitating on-site welding operation, and can ensure firm connection between the working platform bodies 100; the working platform body 100 made of Q690D steel also has high fatigue resistance and corrosion resistance, can withstand repeated loads in the construction process without metal fatigue, and can resist chemical corrosion on the construction site to some extent, facilitating recycling of the working platform body 100.

[0037] It is easy to understand that, based on one or more embodiments provided in the present application, other embodiments can be obtained by combining, splitting, recombining, etc. of the embodiments of the present application, and these embodiments do not exceed the protection scope of the present application.

[0038] The above describes the present application and its embodiments in a schematic manner, and the description is not restrictive, and the embodiments shown are only part of the embodiments of the present application, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by this, without departing from the creative purpose of the present application, similar structural modes and embodiments can be designed without creativity, which should belong to the protection scope of the present application.

Claims

1. A continuous box girder edge protection working platform, characterized in that: The system includes a main body (100) of a work platform, which includes multiple work platform components (120) located above an I-beam crossbeam (110). Between adjacent work platform components (120), there are fastening devices (130) that directly fix the work platform components (120) to the I-beam crossbeam (110). The fastening device (130) includes a U-shaped fastening bolt (131). The fastening bolt (131) has a placement part (132) inside. Both ends of the fastening bolt (131) are provided with external threads and fastening nuts (133) that are threaded to the fastening bolt (131). Both ends of the fastening bolt (131) pass through a fixing flange (210) located below an adjacent work platform main body (100) and fix the I-beam crossbeam (110) in the placement part (132).

2. The continuous box girder edge protection working platform according to claim 1, characterized in that: The work platform assembly (120) includes a rectangular load-bearing frame (220), which is horizontally arranged and has a patterned steel plate (230) on top. Fixed flanges (210) are located at the four corners of the load-bearing frame (220). Multiple hollow uprights (310) perpendicular to the load-bearing frame (220) are provided on one side of the load-bearing frame (220) along its length, and kick plates (320) are provided between the hollow uprights (310).

3. The continuous box girder edge protection working platform according to claim 1, characterized in that: The main body of the work platform (100) also includes a protective mesh (330) located above the work platform component (120) for protection. A connecting device (140) for connecting the protective mesh (330) is provided between adjacent protective meshes (330). The protective mesh (330) includes a vertically arranged protective mesh body (331), which is rectangular. Multiple connecting posts (340) are provided along the length of the protective mesh body (331).

4. A continuous box girder edge protection working platform according to claim 2 or 3, characterized in that: The hollow pole (310) is provided with a first through hole (311) for installation and cooperation with the protective netting (330), and the connecting column (340) is provided with a second through hole (341) for installation and cooperation with the load-bearing frame (220). An installation cavity is formed inside the hollow pole (310). The connecting column (340) is inserted into the installation cavity (312) of the hollow pole (310) and is fixed with bolts (313) that pass through both the first through hole (311) and the second through hole (341).

5. The continuous box girder edge protection working platform according to claim 3, characterized in that: The connecting device (140) includes a connecting flange (350) located above the protective mesh body (331), and a connecting clip (410) is provided between adjacent protective mesh bodies (331). The connecting flange (350) and the connecting clip (410) are bolted together.

6. The continuous box girder edge protection working platform according to claim 1, characterized in that: The main body of the work platform (100) is made of Q690D steel.

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