Protective device for hanging basket spanning high-speed suspended casting box girder

Abstract

The utility model discloses a hanging basket protection device crossing a high-speed suspended pouring box girder, which comprises a bottom-carrying protection plate assembly arranged at the bottom of the high-speed suspended pouring box girder, and the edge of the bottom-carrying protection plate assembly is connected with a protection fence assembly; a hanging basket device is arranged above the construction section of the high-speed suspended pouring box girder; the bottom-holding protection plate assembly comprises a bottom-holding panel, a reinforcing frame is fixed on the bottom-holding panel, and a main beam is additionally arranged in the reinforcing frame; the protective fence assembly comprises fence meshes, steel plates are connected between the multiple fence meshes, and diagonal bracings are further arranged on the multiple fence meshes. By means of the bottom-wrapping protection plate assembly and the fence net piece, objects are effectively prevented from falling off in the construction process, and potential risks to vehicles and pedestrians running below are reduced; the fence meshes and the steel plates adopted by the protective fence assemblies are combined, so that a firm physical barrier is provided, and the stability of the whole fence structure is enhanced through the diagonal bracings; and the bottom-holding protection plate assembly is convenient to mount and dismount due to the suspension design.

Description

Technical Field

[0001] The utility model particularly relates to a hanging basket protection device for a high-speed suspended cast box girder. Background Art

[0002] Hanging basket construction of high-speed suspended box girders refers to a construction method used in the construction of bridges such as highways, railways or urban rail transit to ensure construction safety and improve construction efficiency. The suspended casting method is a common construction technology, especially in the construction of large-span bridges, which usually requires the use of a hanging basket to cast the box girders. The hanging basket is used to support the concrete pouring process and will move along the partially built bridge to gradually complete the casting work of the entire bridge.

[0003] During construction using a hanging basket, there are risks of working at height, and construction workers may face safety threats such as falling and being hit by objects. In addition, uncured concrete, tools, and other items may fall from the hanging basket, posing a threat to traffic and personnel below.

[0004] Therefore, it is necessary to invent a hanging basket protection device for a high-speed cantilevered box girder to solve the above problems. Utility Model Content

[0005] (1) Purpose of the utility model

[0006] In order to solve the technical problems existing in the background technology, the utility model proposes a hanging basket protection device for a suspended box girder across a highway to prevent debris from falling onto the highway during box girder construction.

[0007] (2) Technical solution

[0008] In order to achieve the above-mentioned object, the utility model provides the following technical solutions: a hanging basket protection device for a high-speed cantilevered box girder, comprising a bottom protection plate assembly arranged at the bottom of the high-speed cantilevered box girder, wherein the edge of the bottom protection plate assembly is connected to a protective enclosure assembly;

[0009] The protective enclosure assembly is installed around the bottom protection plate assembly, that is, surrounding the outside of the construction section of the high-speed cantilever box girder, and a hanging basket device is provided above the construction section of the high-speed cantilever box girder;

[0010] The bottom protection plate assembly includes a bottom panel, a reinforcement frame is fixed on the bottom panel, and a main beam is added inside the reinforcement frame;

[0011] The protective enclosure assembly includes a plurality of enclosure meshes, wherein steel plates are connected between the plurality of enclosure meshes, the bottoms of which are fixed on the reinforcement frame, and scissor braces are also provided on the plurality of enclosure meshes.

[0012] Preferably, the bottom panel is a 2.5 mm thick steel plate, the reinforcement frame is welded with 50 mm × 30 mm square tubes, and there are two main beams, which are made of double-jointed 12# channel steel.

[0013] Preferably, the plurality of enclosure mesh panels include an enclosure frame and a protective net, and the protective net is welded to the front of the enclosure frame.

[0014] Preferably, the enclosure mesh is welded by 50mm×50mm square tubes and 50mm×30mm square tubes, and the protective net is made of a steel wire mesh with a diameter of 3mm and a mesh size of 30mm×30mm.

[0015] Preferably, the bottom protection plate assembly is suspended at the bottom of the high-speed cantilever box girder, and the plurality of enclosure meshes are connected to the steel plate as a whole and are hoisted above the bottom protection plate assembly.

[0016] Preferably, the front end of the enclosure mesh is 1300 mm away from the center line of the front beam boom of the hanging basket equipment, and the front end of the hanging basket equipment does not exceed the protection range of the enclosure mesh.

[0017] Preferably, water collecting troughs are provided on both sides of the bottom of the bottom panel.

[0018] Preferably, the overall height enclosed by the plurality of enclosure meshes should at least exceed the height of the construction section of the high-speed cantilevered box girder.

[0019] Compared with the prior art, the beneficial effects of the above technical solution of the utility model are:

[0020] 1. The utility model effectively prevents objects from falling during construction by using the bottom protection plate assembly and the enclosure mesh, reducing potential dangers to vehicles and pedestrians below. The arrangement of the reinforced frame and main beam further enhances the stability and load-bearing capacity of the structure.

[0021] 2. The combination of mesh and steel plates used in the protective enclosure assembly of the present invention not only provides a solid physical barrier, but also enhances the stability of the entire enclosure structure through scissor bracing, effectively resisting external influences such as wind;

[0022] 3. The suspension design of the bottom protection plate assembly of the utility model is convenient for installation and disassembly, so that construction workers can carry out the construction of suspended box beams more conveniently, while ensuring the cleanliness and safety of the construction site. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0024] Figure 1 It is a side view schematic diagram of the overall structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the overall front cross-sectional structure of the present invention;

[0026] Figure 3 This is a schematic diagram of the overall rear cross-sectional structure of the utility model;

[0027] Figure 4 This is a schematic diagram of the top view of the bottom protection plate assembly of the present invention.

[0028] Description of reference numerals:

[0029] 1. High-speed cantilevered box girder; 2. Bottom protection plate assembly; 21. Bottom panel; 22. Reinforcement frame; 23. Main beam; 3. Protective enclosure assembly; 31. Enclosure mesh; 311. Enclosure frame; 312. Protective net; 32. Steel plate; 33. Scissor brace; 4. Hanging basket equipment; 5. Water collection tank. DETAILED DESCRIPTION

[0030] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0031] The utility model provides Figure 1-4 The illustrated embodiment shows a hanging basket protection device for a high-speed cantilevered box girder, comprising a bottom protection plate assembly 2 arranged at the bottom of a high-speed cantilevered box girder 1, with a protective enclosure assembly 3 connected to the edge of the bottom protection plate assembly 2;

[0032] Specifically, the protective enclosure assembly 3 is installed around the bottom protection plate assembly 2, that is, surrounding the outside of the construction section across the high-speed cantilevered box girder, and a hanging basket device 4 is set above the construction section across the high-speed cantilevered box girder;

[0033] Reference Figure 4 The bottom protection plate assembly 2 includes a bottom panel 21, a reinforcement frame 22 is fixed on the bottom panel 21, and a main beam 23 is added inside the reinforcement frame 22;

[0034] Reference Figure 1-3The protective enclosure assembly 3 includes a plurality of enclosure meshes 31 , a steel plate 32 is connected between the plurality of enclosure meshes 31 , the bottom of which is fixed on the reinforcement frame 22 , and a scissors support 33 is also provided on the plurality of enclosure meshes 31 .

[0035] In this embodiment, the cantilevered box girder hanging basket construction technology can simplify the construction equipment, make the structure more rational in stress and more stable, greatly reduce the safety risk, shorten the construction period, ensure the straightness of the overall line of the bridge, improve the overall quality of the cantilevered box girder, improve the level of project construction management, and promote the construction of standardized construction sites.

[0036] Specifically, the bottom panel 21 is a 2.5 mm thick steel plate, the reinforcement frame 22 is welded with 50 mm × 30 mm square tubes, and there are two main beams 23, which are made of double-jointed 12# channel steel.

[0037] Specifically, the plurality of enclosure meshes 31 include an enclosure frame 311 and a protective net 312 , and the protective net 312 is welded to the front of the enclosure frame 311 .

[0038] Specifically, the enclosure mesh 31 is welded by 50mm×50mm square tubes and 50mm×30mm square tubes, and the protective net 312 is made of a steel wire mesh with a diameter of 3mm and a mesh size of 30mm×30mm.

[0039] Specifically, the bottom protection plate assembly 2 is suspended at the bottom of the high-speed cantilever box girder 1, and multiple enclosure meshes 31 are connected to the steel plate 32 as a whole and are hoisted above the bottom protection plate assembly 2.

[0040] Specifically, the front end enclosure mesh 31 is 1300 mm away from the center line of the front crossbeam boom of the hanging basket equipment 4 , and the front end of the hanging basket equipment 4 does not exceed the protection range of the enclosure mesh 31 .

[0041] In this embodiment, the bottom protection plate assembly 2 uses 2.5 mm thick steel plate to form the bottom panel 21. A 50 mm x 30 mm square tube is welded to the bottom panel 21 to form a reinforcement frame 22. Two double-jointed 12# channel steels are installed within the reinforcement frame 22 as main beams 23 to enhance structural stability.

[0042] In this embodiment, the enclosure frame 311 is fabricated by welding 50mm×50mm and 50mm×30mm square tubes. A steel mesh 312 with a 3mm diameter and a mesh size of 30mm×30mm is welded to the enclosure frame 311. The enclosure mesh 31 is connected via steel plates 32, and braces 33 are installed to provide additional stability. The completed enclosure mesh 31 is secured to the perimeter of the bottom protection plate assembly 2, forming a closed protective enclosure.

[0043] Specifically, water collecting grooves 5 are provided on both sides of the bottom of the bottom panel 21 .

[0044] Specifically, the overall height enclosed by the multiple enclosure meshes 31 should at least exceed the height of the construction section across the high-speed cantilever box girder 1.

[0045] In this embodiment, the bottom protection panel assembly 2 is suspended from the bottom of the high-speed cantilevered box girder 1. The front end of the enclosure mesh 31 is kept 1300 mm from the centerline of the front crossbeam boom of the hanging basket 4 to ensure a safe distance. Drains 5 are installed on both sides of the bottom of the bottom protection panel 21 to collect water and debris generated during construction and prevent them from falling below.

[0046] It is important to conduct a comprehensive inspection before construction to ensure the stability and safety of all welding points, connectors and suspension systems. Adjust the position and fixing method of the enclosure mesh as needed to ensure maximum safety coverage.

[0047] In this embodiment, comprehensive protective enclosures and bottom protection plates effectively prevent falling tools, materials, or debris, protecting vehicles and pedestrians on the road below. The presence of a sump helps control water flow and debris at the construction site, reducing environmental pollution. A safe construction environment reduces unplanned downtime and improves construction efficiency. Furthermore, the protective device design takes into account different construction environments and cast-in-place box girder sizes, offering excellent adaptability and scalability.

[0048] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A hanging basket protection device for high-speed cantilevered box beams, characterized by: It comprises a bottom protection plate assembly (2) arranged at the bottom of a high-speed cantilevered box girder (1), wherein the edge of the bottom protection plate assembly (2) is connected to a protective enclosure assembly (3); The protective enclosure assembly (3) is installed around the bottom protection plate assembly (2), that is, surrounding the outside of the construction section of the high-speed cantilevered box girder, and a hanging basket device (4) is provided above the construction section of the high-speed cantilevered box girder; The bottom protection plate assembly (2) comprises a bottom panel (21), a reinforcement frame (22) is fixed on the bottom panel (21), and a main beam (23) is added inside the reinforcement frame (22); The protective enclosure assembly (3) comprises a plurality of enclosure meshes (31), a steel plate (32) being connected between the plurality of enclosure meshes (31), the bottom of which is fixed to the reinforcement frame (22), and a scissor brace (33) being further provided on the plurality of enclosure meshes (31).

2. The protective device for a hanging basket of a high-speed cantilevered box girder according to claim 1, characterized in that: The bottom panel (21) is a 2.5 mm thick steel plate, the reinforcement frame (22) is welded with a 50 mm × 30 mm square tube, and two main beams (23) are provided, and are made of double-jointed 12# channel steel.

3. The protective device for a hanging basket of a high-speed cantilevered box girder according to claim 1, characterized in that: The plurality of enclosure mesh sheets (31) include an enclosure frame (311) and a protective net (312), wherein the protective net (312) is welded to the front of the enclosure frame (311).

4. The protective device for a hanging basket of a high-speed cantilevered box girder according to claim 3, characterized in that: The enclosure mesh (31) is welded from a 50mm×50mm square tube and a 50mm×30mm square tube, and the protective net (312) is a steel wire mesh with a diameter of 3mm and a mesh size of 30mm×30mm.

5. The protective device for a hanging basket of a high-speed cantilevered box girder according to claim 1, characterized in that: The bottom protection plate assembly (2) is suspended at the bottom of the high-speed cantilever box girder (1), and the plurality of enclosure meshes (31) are connected to the steel plate (32) as a whole and are hoisted above the bottom protection plate assembly (2).

6. The protective device for a hanging basket of a high-speed cantilevered box girder according to claim 1, characterized in that: The front end of the enclosure mesh (31) is 1300 mm away from the center line of the front crossbeam boom of the hanging basket equipment (4), and the front end of the hanging basket equipment (4) does not exceed the protection range of the enclosure mesh (31).

7. The protective device for a hanging basket of a high-speed cantilevered box girder according to claim 1, characterized in that: Water collecting troughs (5) are also provided on both sides of the bottom of the bottom panel (21).

8. The protective device for a hanging basket of a high-speed cantilevered box girder according to claim 1, characterized in that: The overall height enclosed by the plurality of enclosure meshes (31) should at least exceed the height of the construction section of the high-speed cantilevered box girder (1).

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