Road and bridge noise reduction device for road and bridge engineering

Abstract

The utility model discloses a road bridge noise reduction device of road bridge engineering, and relates to the technical field of road bridge sound insulation, the road bridge noise reduction device comprises a base (1) and a sound insulation layer (4), the base (1) is provided with an installation frame (2), the two sides of the installation frame (2) are respectively provided with a convex block (3) and an inlet opening (22), the installation frame (2) is of a concentric-square-shaped structure, the inner side of the installation frame (2) is provided with an installation groove (21), and the installation groove (21) is provided with a sound insulation layer (4). The sound insulation layer (4) is arranged in the mounting groove (21) through the inlet opening (22), a fixing mechanism (5) is arranged at the end, close to the inlet opening (22), of the mounting frame (2), the fixing mechanism (5) is attached to the sound insulation layer (4), and the problems that an existing sound reduction device is generally of an integrated structure, the occupied space is large, and the manufacturing cost is high are solved. And once the device is damaged, the device is difficult to overhaul or disassemble and assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of road and bridge sound insulation, and particularly relates to a road and bridge sound reduction device for road and bridge engineering. Background Technique

[0002] With the continuous improvement of people's living quality, noise pollution has attracted increasing attention and gradually become the focus of concern of environmental protection departments. Highway traffic noise generally refers to the noise generated by motor vehicles driving on highway traffic infrastructure, which has the characteristics of wide influence range, high degree of relevance to social activities, and great difficulty in treatment.

[0003] At present, the main way to deal with the noise of roads and bridges is to adopt passive treatment methods, that is, to reduce the noise by adding sound reduction devices on both sides of the road or bridge. However, the existing sound reduction devices are usually of an integral structure, which not only occupies a large space but also has a relatively high cost; once damaged, it is very difficult to repair, overhaul or disassemble. Therefore, a road and bridge sound reduction device for road and bridge engineering is proposed. Content of the Utility Model

[0004] The purpose of the utility model is to provide a road and bridge sound reduction device for road and bridge engineering, which solves the problems mentioned in the above background technique.

[0005] The utility model is realized as follows: a road and bridge sound reduction device for road and bridge engineering, including a base and a sound insulation layer. An installation frame is provided on the base. Convex blocks and access openings are respectively provided on both sides of the installation frame. The installation frame is in a "return" shape structure. An installation groove is provided inside the installation frame. The sound insulation layer is placed inside the installation groove through the access opening. A fixing mechanism is provided at one end of the installation frame close to the access opening, and the fixing mechanism is in contact with the sound insulation layer.

[0006] The further technical solution of the utility model is that: the convex blocks are adapted to the access openings, and fixing holes are provided on the convex blocks.

[0007] The further technical solution of the utility model is that: positioning holes congruent with the fixing holes are provided on the installation frame, and second fixing bolts are provided inside the positioning holes.

[0008] The further technical solution of the utility model is that: fixing grooves are provided on the installation frame.

[0009] The further technical solution of the utility model is that: the fixing mechanism includes: a baffle plate arranged in the fixing groove, rotating shafts arranged on both sides of the baffle plate, side plates arranged on both sides of the baffle plate, and first fixing bolts arranged on the side plates.

[0010] A further technical solution of the present utility model is that the rotating shafts are symmetrically distributed at the upper and lower ends of the baffle plate, and both ends of the side plate are rotatably connected to the rotating shafts.

[0011] A further technical solution of the present utility model is that the side plate is connected to the installation frame through the first fixing bolt.

[0012] The beneficial effects of the present utility model: Compared with the existing road and bridge sound reduction devices, the present utility model splices two adjacent devices through the convex blocks and the access openings, and then fixes them through the second fixing bolts. At the same time, the sound insulation layer is fixed inside the installation groove by using the fixing mechanism, preventing the sound insulation layer from continuously colliding with the installation frame under the influence of the outside world in the installation groove, resulting in damage to the sound insulation layer. Such a connection structure and installation method can not only effectively reduce the workload of the staff for disassembling and assembling the sound insulation device, but also facilitate the subsequent maintenance work. Description of the Drawings

[0013] Figure 1 is the front view of a road and bridge sound reduction device for a road and bridge project provided by the present utility model;

[0014] Figure 2 is the installation schematic diagram of a road and bridge sound reduction device for a road and bridge project provided by the present utility model;

[0015] Figure 3 is the schematic diagram of the fixing mechanism of a road and bridge sound reduction device for a road and bridge project provided by the present utility model.

[0016] Reference Numerals: 1. Base; 2. Installation Frame; 21. Installation Groove; 22. Access Opening; 23. Fixing Groove; 24. Positioning Hole; 3. Convex Block; 31. Fixing Hole; 4. Sound Insulation Layer; 5. Fixing Mechanism; 51. Baffle Plate; 52. Rotating Shaft; 53. Side Plate; 54. First Fixing Bolt; 6. Second Fixing Bolt. Specific Embodiments

[0017] The following specific examples illustrate the implementation manners of the present utility model. Those skilled in the art can easily understand the other advantages and effects of the present utility model from the content disclosed in this specification. The present utility model can also be implemented or applied through other different specific implementation manners. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present utility model.

[0018] It should be noted that the structures, ratios, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present utility model. Therefore, they do not have substantial technical significance. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the efficacy that the present utility model can produce and the purpose that can be achieved, should still fall within the scope covered by the technical content disclosed in the present utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle", and "one" cited in this specification are only for the convenience of clear narration and are not used to limit the scope for the implementation of the present utility model. The change or adjustment of their relative relationship, without substantial change in the technical content, should also be regarded as the scope for the implementation of the present utility model.

[0019] Figures 1 - 3 The structural composition of a road and bridge noise reduction device for road and bridge engineering is shown, including a base 1 and a sound insulation layer 4. An installation frame 2 is provided on the base 1. A convex block 3 and an access opening 22 are respectively provided on both sides of the installation frame 2. The installation frame 2 has a "return" - shaped structure. An installation groove 21 is provided inside the installation frame 2. The sound insulation layer 4 is placed inside the installation groove 21 through the access opening 22. A fixing mechanism 5 is provided at one end of the installation frame 2 close to the access opening 22, and the fixing mechanism 5 is in contact with the sound insulation layer 4.

[0020] In this embodiment, the convex block 3 is adapted to the access opening 22, and a fixing hole 31 is provided on the convex block 3.

[0021] The installation frame 2 is provided with a positioning hole 24 congruent to the fixing hole 31, and a second fixing bolt 6 is provided inside the positioning hole 24. When installing the sound insulation device, the convex block 3 will be embedded into the access opening 22 of the adjacent device. At this time, the second fixing bolt 6 will simultaneously penetrate the positioning hole 24 on the installation frame 2 and the fixing hole 31 on the convex block 3 to fix the adjacent noise reduction device.

[0022] In this embodiment, a fixing groove 23 is provided on the installation frame 2, and the fixing groove 23 is mainly used for installing the fixing mechanism 5.

[0023] As Figure 3 shown, the fixing mechanism 5 includes: a baffle 51 arranged in the fixing groove 23, rotating shafts 52 arranged on both sides of the baffle 51, side plates 53 arranged on both sides of the baffle 51, and first fixing bolts 54 arranged on the side plates 53.

[0024] In this embodiment, the rotating shafts 52 are symmetrically distributed at the upper and lower ends of the baffle 51, and both ends of the side plate 53 are rotatably connected to the rotating shafts 52.

[0025] In this embodiment, the side plate 53 is connected to the installation frame 2 through the first fixing bolt 54.

[0026] During actual use, two adjacent devices are spliced through the bumps 3 and the access openings 22, and then fixed by the second fixing bolts 6. At the same time, the sound insulation layer 4 is fixed inside the installation groove 21 by the fixing mechanism 5 to prevent the sound insulation layer 4 from being affected by the outside world in the installation groove 21 and continuously colliding with the installation frame 2, resulting in damage to the sound insulation layer 4. Such a connection structure and installation method can not only effectively reduce the workload of the staff for disassembling and assembling the sound insulation device, but also facilitate subsequent inspection and maintenance work.

[0027] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A road bridge noise reduction device for road and bridge engineering, comprising a base (1) and a sound insulation layer (4), characterized in that: The base (1) is provided with a mounting frame (2), and protrusions (3) and an entrance opening (22) are respectively provided on both sides of the mounting frame (2), the mounting frame (2) is in a "U"-shaped structure, a mounting groove (21) is provided on the inner side of the mounting frame (2), the sound insulation layer (4) is placed inside the mounting groove (21) through the entrance opening (22), and a fixing mechanism (5) is provided at one end of the mounting frame (2) close to the entrance opening (22), and the fixing mechanism (5) is in contact with the sound insulation layer (4).

2. A road bridge noise reduction device for road bridge engineering according to claim 1, characterized in that: The convex block (3) is matched with the inlet opening (22), and a fixing hole (31) is provided on the convex block (3).

3. The road bridge noise reduction device for road bridge engineering according to claim 2, characterized in that: The installation frame (2) is provided with a positioning hole (24) which is identical to the fixing hole (31), and a second fixing bolt (6) is provided inside the positioning hole (24).

4. The road bridge noise reduction device for road bridge engineering according to claim 1, characterized in that: The installation frame (2) is provided with a fixing groove (23).

5. The road bridge noise reduction device for road bridge engineering according to claim 4, characterized in that: The fixing mechanism (5) comprises: a baffle (51) arranged in the fixing groove (23), a rotating shaft (52) arranged on both sides of the baffle (51), a side plate (53) arranged on both sides of the baffle (51), and a first fixing bolt (54) arranged on the side plate (53).

6. A road and bridge noise reduction device for road and bridge engineering according to claim 5, characterized in that: The rotating shaft (52) is symmetrically distributed at the upper and lower ends of the baffle (51), and the two ends of the side plate (53) are rotatably connected to the rotating shaft (52).

7. A road bridge noise reduction device for road bridge engineering according to claim 6, characterized in that: The side plate (53) is connected to the installation frame (2) via the first fixing bolt (54).

Images