Noise reduction mechanism for construction of ultra-wide steel box girder

Abstract

The utility model discloses a noise reduction mechanism for construction of an ultra-wide steel box girder, which belongs to the field of noise reduction mechanisms and comprises a mounting block, a plurality of bolts are in threaded connection with the side wall of the mounting block, a limiting plate is mounted at the upper end of the mounting block, and a butt joint pipe is slidably connected with the upper end of the limiting plate. The limiting plate and the butt-joint pipe are in threaded connection with a threaded rod, the end, extending out of the butt-joint pipe, of the threaded rod is in threaded connection with a butt-joint cover, the side wall of the butt-joint cover is sleeved with a protective pad and sound absorption cotton which are distributed in an array mode, and a drainage hole is formed in the lower end of the butt-joint cover. Therefore, noise can be conveniently adsorbed and rebounded, the noise reduction efficiency is improved, meanwhile, the butt joint cover and the limiting plate can be conveniently disassembled, mounting and dismounting are convenient, and the device is simple in structure and low in manufacturing cost.

Description

Technical Field

[0001] The utility model relates to the field of noise reduction mechanisms, and more specifically, to a noise reduction mechanism for construction of an ultra-wide steel box girder. Background Art

[0002] Elevated roads in municipal roads generally require the use of steel box girders. After long-term use or according to the needs of municipal expansion, the steel box girders are dismantled or rebuilt. During the dismantling and reconstruction process, a lot of noise will be generated, affecting residents near the road. The existing noise reduction mechanism generally installs sound insulation panels next to the elevated road, and the sound insulation effect of the sound insulation panels is low. For this reason, we proposed a noise reduction mechanism for the construction of ultra-wide steel box girders. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a noise reduction mechanism for the construction of ultra-wide steel box girders, which is convenient for adjusting the height of the sound-absorbing cotton and the protective pad according to needs, so as to facilitate the absorption and rebound of noise and improve the noise reduction efficiency. At the same time, it is convenient for the disassembly of the docking cover and the limit plate, thereby facilitating installation and disassembly, and the device has a simple structure and low cost.

[0005] 2. Technical solution

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] A noise reduction mechanism for the construction of an extra-wide steel box girder comprises a mounting block, a side wall of the mounting block being threadedly connected with a plurality of bolts, a limiting plate being mounted on the upper end of the mounting block, the upper end of the limiting plate being slidably connected with a butt tube, a threaded rod being threadedly connected between the limiting plate and the butt tube, one end of the threaded rod extending outside the butt tube being threadedly connected with a butt cover, the side wall of the butt cover being sleeved with protective pads and sound-absorbing cotton distributed in an array, and a drainage hole being provided at the lower end of the butt cover.

[0008] Furthermore, the side walls of the limit plate, the inner walls of the docking tube and the side walls of the docking cover are all provided with threaded holes, and the side walls of the threaded rod are provided with threads matching the threaded holes, so as to facilitate the installation of the docking tube and the docking cover and adjust the height of the docking tube and the docking cover to match the height of the road.

[0009] Furthermore, the side wall of the docking cover is provided with an auxiliary groove, and the protective pad and the sound-absorbing cotton are arranged in the auxiliary groove, so as to facilitate the placement of the protective pad and the sound-absorbing cotton.

[0010] Furthermore, the inner wall of the auxiliary groove is provided with a protective pad and the sound-absorbing cotton below to facilitate the discharge of rainwater.

[0011] Furthermore, a docking groove is provided on the side wall of the docking cover, and the docking tube is engaged with the docking groove, so that the docking tube can stably support the docking cover.

[0012] 3. Beneficial effects

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] (1) The utility model facilitates the adjustment of the height of the sound-absorbing cotton and the protective pad according to needs, thereby facilitating the absorption and rebound of noise and improving the noise reduction efficiency. At the same time, it is convenient to disassemble the docking cover and the limit plate, thereby facilitating installation and disassembly. The device has a simple structure and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural sectional view of the utility model;

[0016] Figure 2 This is a top view of the docking cover structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the docking cover of the utility model.

[0018] Description of the numbers in the figure:

[0019] 1. Mounting block; 2. Bolts; 3. Limiting plate; 4. Butt pipe; 5. Threaded rod; 6. Butt cover; 7. Protective pad; 8. Sound-absorbing cotton; 9. Drain hole. DETAILED DESCRIPTION

[0020] The following will combine 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 the embodiments. All other embodiments obtained by ordinary technicians in this field without creative work based on the embodiments in the utility model belong to the scope of protection of the utility model.

[0021] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] Example 1: Please refer to Figure 1 , Figure 2 and Figure 3 A noise reduction mechanism for the construction of an ultra-wide steel box girder comprises a mounting block 1, a plurality of bolts 2 are threadedly connected to the side wall of the mounting block 1, a limiting plate 3 is mounted on the upper end of the mounting block 1, a butt pipe 4 is slidably connected to the upper end of the limiting plate 3, a threaded rod 5 is threadedly connected to the limiting plate 3 and the butt pipe 4, one end of the threaded rod 5 extending outside the butt pipe 4 is threadedly connected to a butt cover 6, a protective pad 7 and sound-absorbing cotton 8 distributed in an array are sleeved on the side wall of the butt cover 6, and a drainage hole 9 is opened at the lower end of the butt cover 6.

[0024] The side walls of the limiting plate 3, the inner wall of the docking tube 4 and the side walls of the docking cover 6 are all provided with threaded holes, and the side walls of the threaded rod 5 are provided with threads matching the threaded holes, so as to facilitate the installation of the docking tube 4 and the docking cover 6, and adjust the height of the docking tube 4 and the docking cover 6 to adapt to the height of the road.

[0025] The side wall of the docking cover 6 is provided with an auxiliary groove, and the protective pad 7 and the sound-absorbing cotton 8 are arranged in the auxiliary groove, so as to facilitate the placement of the protective pad 7 and the sound-absorbing cotton 8.

[0026] The inner wall of the auxiliary groove is provided with a drainage hole 9 , and the drainage hole 9 is arranged below the protective pad 7 and the sound-absorbing cotton 8 , so that rainwater can be discharged through the drainage hole 9 .

[0027] The side wall of the docking cover 6 is provided with a docking groove, and the docking pipe 4 is snap-fitted into the docking groove, so that the docking pipe 4 can stably support the docking cover 6 .

[0028] When in use, a technician in this field will place the mounting block 1 on both sides of the road, and then use the bolts 2 to threadably install it on both sides of the road, and then put the docking pipe 4 on the top of the limiting plate 3, and adjust the height of the docking pipe 4 according to the height of the road, and then the threaded rod 5 will threadably connect the docking pipe 4 and the docking cover 6, so as to facilitate the maintenance of the stability of the docking cover 6, and then put the protective pad 7 and the sound-absorbing cotton 8 in the auxiliary groove of the docking cover 6 to maintain the stability of the docking cover 6. The utility model is convenient for adjusting the height of the sound-absorbing cotton 8 and the protective pad 7 according to needs, so as to facilitate the absorption and rebound of noise and improve the noise reduction efficiency. At the same time, it is convenient to disassemble the docking cover 6 and the limiting plate 3, so as to facilitate installation and disassembly, and the device has a simple structure and low cost.

[0029] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited to it. Any technician familiar with the technical field within the technical scope disclosed by the utility model and any equivalent replacement or change based on the technical solution and improved concept of the utility model shall be included in the protection scope of the utility model.

Claims

1. A noise reduction mechanism for ultra-wide steel box girder construction, comprising a mounting block (1), a side wall of the mounting block (1) being threadedly connected with a plurality of bolts (2), characterized in that: A limit plate (3) is installed at the upper end of the mounting block (1), and the upper end of the limit plate (3) is slidably connected to a butt joint pipe (4). A threaded rod (5) is threadedly connected to the limit plate (3) and the butt joint pipe (4), and one end of the threaded rod (5) extending outside the butt joint pipe (4) is threadedly connected to a butt joint cover (6), and a side wall of the butt joint cover (6) is sleeved with an array-distributed protective pad (7) and sound-absorbing cotton (8), and a drainage hole (9) is opened at the lower end of the butt joint cover (6).

2. A noise reduction mechanism for construction of an ultra-wide steel box girder according to claim 1, characterized in that: The side wall of the limiting plate (3), the inner wall of the butt joint pipe (4) and the side wall of the butt joint cover (6) are all provided with threaded holes, and the side wall of the threaded rod (5) is provided with threads matching the threaded holes.

3. The noise reduction mechanism for super-wide steel box girder construction according to claim 1, characterized in that: The side wall of the docking cover (6) is provided with an auxiliary groove, and the protective pad (7) and the sound-absorbing cotton (8) are arranged in the auxiliary groove.

4. A noise reduction mechanism for construction of an ultra-wide steel box girder according to claim 3, characterized in that: A drainage hole (9) is provided on the inner wall of the auxiliary groove, and the drainage hole (9) is arranged below the protective pad (7) and the sound-absorbing cotton (8).

5. The noise reduction mechanism for super-wide steel box girder construction according to claim 1, characterized in that: The side wall of the docking cover (6) is provided with a docking groove, and the docking tube (4) is snap-connected to the docking groove.

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