Operating platform of cast-in-place box girder

Abstract

The utility model provides an operation platform of a cast-in-place box girder, which is installed on a flange plate of the cast-in-place box girder for use, a disc buckle support is arranged at the bottom of the flange plate, the operation platform comprises a supporting plate which is arranged at the bottom of the flange plate and attached to the flange plate, a supporting mechanism connected with the supporting plate is arranged on the disc buckle support, and the supporting plate is supported through the supporting mechanism. A steel frame structure is arranged on one side of the disc buckle support, the side, away from the flange plate, of the supporting plate is enclosed through the steel frame structure, and a dense mesh is arranged on the steel frame structure. The gravity of workers and equipment can be stably supported through the bearing capacity of the disc buckle supports, safety accidents caused by insufficient supporting force borne by the supporting plates are avoided, a construction area can be enclosed through the dense-mesh net on one side of the steel frame structure, the bearing capacity and the protection capacity of the operation platform are effectively improved, and the safety of the operation platform is improved. And the construction of the cast-in-place box girder is safer.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, and particularly relates to an operation platform for cast-in-place box girders. Background Technique

[0002] A cast-in-place box girder refers to a box-shaped beam cast on-site at the construction site using concrete, and can also be called a "slab box girder". Its structural form is box-shaped, and it can bear large loads in both the longitudinal and transverse directions. It is a commonly used construction method for road bridges and railway bridges. The cast-in-place box girder can adjust its cross-sectional shape and size according to needs and actual situations to meet various requirements. Its construction is relatively simple, the construction speed is relatively fast, it can adapt to various shapes of bearings and simple piers. At the same time, due to its high strength, long service life, and convenient maintenance, it is widely used.

[0003] When constructing on a cast-in-place box girder, it is necessary to install an operation platform on it to facilitate the staff to carry out high-altitude operations, and the safety of the operation platform is the most important aspect. For example, the Chinese utility model patent with the patent number 202222953304.2 provides an operation platform for prestressed tensioning of cast-in-place box girders. The operation platform includes a frame body made of steel pipes and pedals arranged on the frame body. This operation platform is made of common steel pipes on the construction site, which not only facilitates the progress of the prestressed tensioning process but also realizes the reuse of on-site materials.

[0004] However, most of the existing operation platforms for cast-in-place box girders are only supported by steel frames, and their bearing capacity and protection ability are insufficient, resulting in certain safety hazards in the construction of cast-in-place box girders. Therefore, in view of this, an operation platform for cast-in-place box girders is proposed to solve the above technical problems. Content of the Utility Model

[0005] Aiming at the deficiencies existing in the prior art, the utility model proposes an operation platform for cast-in-place box girders to solve the technical problems mentioned in the above background technique, that is, most of the existing operation platforms for cast-in-place box girders are only supported by steel frames, and their bearing capacity and protection ability are insufficient, resulting in certain safety hazards in the construction of cast-in-place box girders.

[0006] To achieve the above purpose, the utility model provides the following technical solution. An operation platform for cast-in-place box girders is used by being installed on the flange plate of the cast-in-place box girder. A disk buckle support is arranged at the bottom of the flange plate, and it includes:

[0007] A support plate, which is arranged at the bottom of the flange plate and fits with it;

[0008] A support mechanism, which is arranged on the disk buckle support and connected to the support plate to support the support plate;

[0009] A steel frame structure is arranged on one side of the disk socket support and fences the side of the support plate away from the flange plate; and

[0010] A safety net with closely spaced meshes is arranged on the steel frame structure.

[0011] In a preferred embodiment, the support mechanism includes:

[0012] Threaded columns are arranged in multiple groups at intervals and are all screwed onto the disk socket support;

[0013] A support frame is arranged at the top of the threaded column; and

[0014] A distribution beam is erected on multiple groups of the support frames, and the support plate is placed on the distribution beam.

[0015] In a preferred embodiment, multiple groups of square timbers arranged in a staggered manner with the distribution beam are provided on the distribution beam, and the support plate is placed on multiple groups of the square timbers.

[0016] In a preferred embodiment, the steel frame structure includes:

[0017] Multiple groups of first crossbars are arranged at intervals and are all horizontally and fixedly arranged on the disk socket support;

[0018] Multiple groups of vertical poles are arranged at intervals and are arranged in a staggered manner with the first crossbars; and

[0019] Second crossbars are arranged on the vertical poles in a staggered manner with the vertical poles, and the safety net with closely spaced meshes is arranged on one side of the second crossbars.

[0020] In a preferred embodiment, the first crossbar and the vertical pole are fixed by welding, and the vertical pole and the second crossbar are fixed by welding or hoop.

[0021] In a preferred embodiment, a kickboard is arranged on one side of the first crossbar, and the kickboard is located above the support plate.

[0022] In a preferred embodiment, the first crossbar, the vertical pole and the second crossbar can all be steel pipes.

[0023] Compared with the prior art, the present utility model has the following beneficial effects:

[0024] When the operation platform is in use, the support mechanism is installed and supported by the disc buckle support, and the support plate is supported by the support mechanism. When the staff walks on the support plate, the gravity exerted by them is applied to the disc buckle support, so that the gravity of the staff and equipment can be stably supported by the bearing capacity of the disc buckle support, avoiding safety accidents caused by insufficient support force on the support plate. Compared with the traditional support structure, its support ability is stronger. Moreover, the steel frame structure can be supported by the disc buckle support, and the construction area can be enclosed by the safety net on one side of the steel frame structure, effectively improving the bearing capacity and protection ability of the operation platform, making the construction of the cast-in-place box girder safer. Brief Description of the Drawings

[0025] In order to more clearly illustrate the specific embodiments of the present invention, the drawings required for use in the specific embodiments will be briefly introduced below. In all the drawings, the elements or parts are not necessarily drawn to scale.

[0026] Figure 1 It is a cross-sectional view of an operation platform for a cast-in-place box girder provided by the present invention;

[0027] Figure 2 It is an elevation view of an operation platform for a cast-in-place box girder provided by the present invention;

[0028] Reference Numerals:

[0029] 1, disc buckle support; 2, flange plate; 3, first cross bar; 4, vertical pole; 5, second cross bar; 6, safety net; 7, threaded column; 8, support frame; 9, distribution beam; 10, square timber; 11, support plate; 12, kick board. Specific Embodiments

[0030] The embodiments of the technical solutions of the present invention will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention, so they are only examples and cannot be used to limit the protection scope of the present invention.

[0031] Embodiment:

[0032] As Figure 1 、 2As shown in the figure, the utility model provides an operation platform for cast-in-place box girders, which is installed on the flange plate 2 of the cast-in-place box girder for use. A disc buckle support 1 is arranged at the bottom of the flange plate 2, including a support plate 11 arranged at the bottom of the flange plate 2 and fitting with it. A support mechanism connected to the support plate 11 is arranged on the disc buckle support 1, and the support plate 11 is supported by the support mechanism. The support mechanism includes multiple groups of threaded columns 7 arranged at intervals. The threaded columns 7 are screwed on the disc buckle support 1. A support frame 8 is arranged at the top of the threaded column 7. A distribution beam 9 is erected on multiple groups of support frames 8, and the support plate 11 is placed on the distribution beam 9.

[0033] During use, the distribution beam 9 can be supported by the support frame 8 at the top of the threaded column 7, and the height of multiple groups of support frames 8 can be adjusted by rotating the threaded column 7, so that the distribution beam 9 can be parallel to the bottom surface of the flange plate 2 of the cast-in-place box girder. Then, the support plate 11 is placed on the distribution beam 9, and by rotating the threaded column 7, the support plate 11 can be closely attached to the bottom surface of the flange plate 2, so as to stably support the support plate 11. When the staff walks on the support plate 11, the support plate 11 will not move due to uneven gravity, making the installation of the support plate 11 more firm. And multiple groups of square timbers 10 arranged in a staggered manner with the distribution beam 9 are arranged on the distribution beam 9. The support plate 11 is placed on multiple groups of square timbers 10. Through the setting of the square timbers 10 and the cooperation with the distribution beam 9, the force received by the support plate 11 can be evenly applied to the disc buckle support 1, thereby improving the bearing capacity of the operation platform.

[0034] As Figure 1 , 2 shown, in this embodiment, a steel frame structure is arranged on one side of the disc buckle support 1 to enclose the side of the support plate 11 away from the flange plate 2. The steel frame structure includes multiple groups of first cross bars 3 arranged at intervals. Multiple groups of first cross bars 3 are horizontally and fixedly arranged on the disc buckle support 1. It also includes multiple groups of vertical poles 4 arranged at intervals. Multiple groups of vertical poles 4 are arranged in a staggered manner with the first cross bars 3. A second cross bar 5 is arranged in a staggered manner with the vertical poles 4 on the vertical poles 4. A safety net 6 is arranged on one side of the second cross bar 5.

[0035] Among them, the first cross bar 3 and the vertical pole 4 are fixed by welding, and the vertical pole 4 and the second cross bar 5 are fixed by welding or hoop. Through the setting of the first cross bar 3, the vertical pole 4 is supported, and through multiple groups of vertical poles 4, the second cross bar 5 is supported, so that there is a continuous steel frame structure enclosure at the suspended end of the support plate 11. The steel frame structure is arranged along the edge line of the flange plate 2 and the end of the box girder, and is fully enclosed. And the safety net 6 is used to block the gaps of the steel frame structure to prevent objects from falling. In addition, in some implementation processes, safety warning signs can be set on the safety net 6 to improve the warning effect.

[0036] In some preferred embodiments, the first cross bar 3, the vertical bar 4, and the second cross bar 5 can all be steel pipes, and the steel pipes can be A48×3.0mm steel pipes. The distance between the vertical bars 4 is 2m.

[0037] As Figure 1 , 2 shown, in this embodiment, a kick board 12 is provided on one side of the first cross bar 3, and the kick board 12 is located above the support plate 11. By providing the kick board 12, it is possible to prevent objects from falling through the gaps at the bottom of the safety net 6 when moving, and at the same time, it can prevent workers from accidentally falling out of the operation platform, further reducing the occurrence of construction accidents. The kick board 12 can be made of thick steel plate to improve its safety protection performance.

[0038] Specific usage method and beneficial effects of the present utility model:

[0039] When this operation platform is in use, the screw column 7 and the support frame 8 are installed and supported by the disc buckle support 1, and the support plate 11 is supported by the support frame 8 in cooperation with the distribution beam 9. When a worker walks on the support plate 11, the gravity exerted by the worker is applied to the disc buckle support 1, so that the gravity of the worker and the equipment can be stably supported by the bearing capacity of the disc buckle support 1, avoiding safety accidents caused by insufficient support force received by the support plate 11. Compared with the traditional support structure, its support ability is stronger. Moreover, the first cross bar 3 can be supported by the disc buckle support 1, and the vertical bar 4 and the second cross bar 5 can be supported by the first cross bar 3. The construction area is enclosed by the safety net 6 on one side of the second cross bar 5, effectively improving the bearing capacity and protection ability of this operation platform, making the construction of the cast-in-place box girder safer.

[0040] The above shows and describes the basic principles, main features and advantages of the present utility model. For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments.

Claims

1. An operating platform for a cast-in-place box girder, installed on a flange plate (2) of the cast-in-place box girder for use, wherein a buckle bracket (1) is provided at the bottom of the flange plate (2), characterized in that: Included are: A support plate (11) is arranged at the bottom of the flange plate (2) and is in close contact with the flange plate (2); A supporting mechanism, arranged on the buckle bracket (1) and connected to the supporting plate (11) to support the supporting plate (11); A steel frame structure is arranged on one side of the buckle bracket (1) and is used to enclose a side of the support plate (11) away from the flange plate (2); and A dense mesh (6) is arranged on the steel frame structure.

2. The operating platform of a cast-in-place box girder according to claim 1, characterized in that: The supporting mechanism comprises: A plurality of threaded columns (7) are arranged at intervals and are all screwed to the buckle bracket (1); A support frame (8) is arranged on the top of the threaded column (7); and The distribution beam (9) is mounted on a plurality of groups of the support frames (8), and the support plate (11) is mounted on the distribution beam (9).

3. The operating platform of the cast-in-place box beam according to claim 2, characterized in that: The distribution beam (9) is provided with a plurality of groups of square timbers (10) arranged in an alternating manner therewith, and the support plate (11) is mounted on the plurality of groups of square timbers (10).

4. The operating platform of a cast-in-place box girder according to claim 1, characterized in that: The steel frame structure includes: A plurality of first cross bars (3) are arranged at intervals and are all horizontally fixed on the buckle bracket (1); A plurality of vertical rods (4) are arranged at intervals and are staggered with the first horizontal rods (3); and The second cross bar (5) is arranged on the vertical bar (4) in a staggered manner with the vertical bar (4), and the dense mesh (6) is arranged on one side of the second cross bar (5).

5. The operating platform of the cast-in-place box beam according to claim 4, characterized in that: The first cross bar (3) and the vertical bar (4) are fixed by welding, and the vertical bar (4) and the second cross bar (5) are fixed by welding or clamping.

6. The operating platform of the cast-in-place box beam according to claim 4, characterized in that: A skirting board (12) is provided on one side of the first crossbar (3), and the skirting board (12) is located above the support board (11).

7. The operating platform of the cast-in-place box beam according to claim 4, characterized in that: The first cross bar (3), the vertical bar (4) and the second cross bar (5) can all be steel pipes.

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