Assembled bridge floor noise barrier
By designing a sound insulation barrier for assembled bridge decks, combining support and sound-absorbing components, the problem of easy separation of existing barriers is solved, achieving higher sound insulation effect and structural stability, making it easy to install and use.
Patent Information
- Application Number
- CN202422539609.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-10-21
AI Technical Summary
Existing sound insulation barriers are prone to separation under high demand conditions, resulting in damage to personnel and vehicles and poor sound insulation.
A sound insulation barrier for assembled bridge deck is designed, including support components and sound-absorbing components. The structural stability is increased through the support components, the sound-absorbing components improve sound insulation effect, and the parts are fixedly connected through the card to prevent separation.
The height of the sound insulation barrier is increased, the structure is firmer, and the length can be assembled freely, which is easy to install, improving the sound insulation effect and safety.
Smart Images

Figure CN223214463U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sound insulation barriers, in particular to an assembled sound insulation barrier for bridge decks. Background Art
[0002] A sound barrier is a soundproofing device designed to block direct sound between the source and the receiver. By inserting a device between the source and the receiver, it significantly attenuates sound waves, thereby reducing the noise impact within the receiver's area. Sound barriers are primarily used outdoors. With the increasing severity of road traffic noise pollution, some countries are using various types of barriers to reduce traffic noise.
[0003] The existing technology still has the following areas for improvement: In the existing technology, when a higher sound insulation barrier is required, a splicing method is usually adopted, which is easy to separate and cause falling, resulting in damage to people and vehicles, and cannot achieve a good sound insulation effect. Utility Model Content
[0004] In order to solve the above-mentioned problems existing in the prior art, the utility model provides an assembled sound insulation barrier for bridge decks, which can increase the sound insulation effect, increase the height of the sound insulation barrier, make the structure of the sound insulation barrier more solid, and can freely assemble the length of the sound insulation barrier, making it easy to install the sound insulation barrier.
[0005] The purpose of the utility model can be achieved through the following technical solutions:
[0006] An assembled bridge deck noise barrier comprises a support assembly and a sound absorbing assembly, wherein the support assembly is fixedly connected above the sound absorbing assembly;
[0007] The support assembly includes an upper cover plate, a front plate and a rear plate, the front plate is fixedly connected to the front of the upper cover plate, the rear plate is fixedly connected to the rear of the upper cover plate, a left sealing plate is fixedly provided on the left side of the upper cover plate, a right sealing plate is fixedly provided on the right side of the upper cover plate, a middle partition plate is provided between the front plate and the rear plate, an upper cover cap is fixedly provided below the upper cover plate, a damping felt is fixedly provided below the upper cover cap, and interference screen grooves are provided on the rear side of the middle partition plate and below the upper cover plate;
[0008] The sound absorbing assembly includes a lower sealing plate, a column and a bottom cover plate. The upper end of the lower sealing plate is fixedly connected to the lower end of the middle partition plate, the lower end of the lower sealing plate is fixedly connected to the upper end of the column, and the lower end of the column is fixedly connected to the bottom cover plate. An upper sound absorbing screen is fixedly provided on the lower sealing plate, and a sound insulation board and a lower sound absorbing screen are fixedly provided on the column.
[0009] Furthermore, a first sound-absorbing cotton is fixedly provided on a side of the middle partition away from the interference screen groove, and a second sound-absorbing cotton is fixedly provided on a side of the rear plate close to the middle partition.
[0010] Furthermore, the sound insulation board and the lower sound absorbing screen are fixedly connected via a clamp, and the sound insulation board and the upper sound absorbing screen are fixedly connected via a clamp.
[0011] Furthermore, the lower end of the lower sound absorbing screen is fixedly connected to the bottom cover plate.
[0012] Furthermore, the upper end of the upper sound absorbing screen is fixedly connected to the lower sealing plate.
[0013] Furthermore, one end of the bottom cover away from the column is fixedly connected to the ground.
[0014] The beneficial effects of the utility model are:
[0015] (1) By setting up the sound absorbing components, the technical effect that can be achieved is that the sound absorbing components can increase the sound insulation effect, increase the height of the sound insulation barrier, make the structure of the sound insulation barrier more solid, and freely assemble the length of the sound insulation barrier, which is convenient for the installation of the sound insulation barrier.
[0016] (2) By setting up the supporting assembly, the technical effect that can be achieved is that the first sound-absorbing cotton and the second sound-absorbing cotton are used to isolate sound, the supporting assembly is used to support the isolation barrier to prevent the isolation barrier from being too high and causing separation, and the damping felt is used to block sound. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 It is a front view of the utility model;
[0020] Figure 3 It is a partial cross-sectional view of the utility model;
[0021] Figure 4 This is an exploded view of the upper cover plate, the left side sealing plate and the right side sealing plate of the utility model;
[0022] Description of main component symbols:
[0023] In the figure: 1. Upper cover plate; 2. Upper cover cap; 3. Front plate; 4. First sound-absorbing cotton; 5. Middle partition; 6. Lower sealing plate; 7. Damping felt; 8. Interference screen groove; 9. Second sound-absorbing cotton; 10. Back plate; 11. Upper sound-absorbing screen; 12. Sound insulation board; 13. Pillar; 14. Clip; 15. Lower sound-absorbing screen; 16. Bottom cover plate; 17. Left sealing plate; 18. Right sealing plate. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; it is obvious that the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.
[0025] In the description of this application, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this application and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0026] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean 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 an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.
[0027] Reference Figures 1 to 4 , is an assembled bridge deck sound insulation barrier disclosed in the utility model, comprising a supporting assembly and a sound absorbing assembly, wherein the supporting assembly is fixedly connected above the sound absorbing assembly.
[0028] The supporting assembly includes an upper cover plate 1, a front plate 3 and a rear plate 10. The front plate 3 is fixedly connected to the front of the upper cover plate 1, and the rear plate 10 is fixedly connected to the rear of the upper cover plate 1. A left sealing plate 17 is fixedly provided on the left side of the upper cover plate 1, and a right sealing plate 18 is fixedly provided on the right side of the upper cover plate 1. A middle partition plate 5 is provided between the front plate 3 and the rear plate 10. An upper cover cap 2 is fixedly provided below the upper cover plate 1, and a damping felt 7 is fixedly provided below the upper cover cap 2. Interference screen grooves 8 are provided on the rear side of the middle partition plate 5 and below the upper cover plate 1.
[0029] The sound-absorbing assembly includes a lower sealing plate 6, a column 13 and a bottom cover plate 16. The upper end of the lower sealing plate 6 is fixedly connected to the lower end of the middle partition plate 5, the lower end of the lower sealing plate 6 is fixedly connected to the upper end of the column 13, and the lower end of the column 13 is fixedly connected to the bottom cover plate 16. An upper sound-absorbing screen 11 is fixedly provided on both sides of the lower sealing plate 6, and a sound insulation board 12 and a lower sound-absorbing screen 15 are fixedly provided on both sides of the column 13.
[0030] The sound-absorbing components can increase the sound insulation effect, increase the height of the noise barrier, make the structure of the noise barrier more solid, and the length of the noise barrier can be freely assembled, making it easier to install the noise barrier.
[0031] A first sound-absorbing cotton pad 4 is fixedly mounted on the side of the middle partition 5 away from the interference screen slot 8, and a second sound-absorbing cotton pad 9 is fixedly mounted on the side of the rear panel 10 closer to the middle partition 5. The first and second sound-absorbing cotton pads are used to isolate sound. The support assembly supports the isolation barrier to prevent it from becoming too high and causing separation. The damping felt 7 is used to block sound.
[0032] The sound insulation board 12 and the lower sound absorbing screen 15 are fixedly connected by a clamp 14 , and the sound insulation board 12 and the upper sound absorbing screen 11 are fixedly connected by a clamp 14 . An interference device is fixedly provided at one end of the upper sound absorbing screen 11 away from the sound insulation board 12 .
[0033] The lower end of the lower sound absorbing screen 15 is fixedly connected to the bottom cover plate 16, the upper end of the upper sound absorbing screen 11 is fixedly connected to the lower sealing plate 6, and the end of the bottom cover plate 16 away from the column 13 is fixedly connected to the ground.
[0034] The working principle and use process of the utility model are as follows: the isolation barrier is fixed on the ground by pre-buried J-shaped bolts, and multiple isolation barriers are fixed to each other by pillars 13 to complete the installation of the isolation barrier.
[0035] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.
Claims
1. An assembled bridge deck noise barrier, characterized by: It comprises a supporting assembly and a sound absorbing assembly, wherein the supporting assembly is fixedly connected above the sound absorbing assembly; The support assembly includes an upper cover plate, a front plate and a rear plate, the front plate is fixedly connected to the front of the upper cover plate, the rear plate is fixedly connected to the rear of the upper cover plate, a left sealing plate is fixedly provided on the left side of the upper cover plate, a right sealing plate is fixedly provided on the right side of the upper cover plate, a middle partition plate is provided between the front plate and the rear plate, an upper cover cap is fixedly provided below the upper cover plate, a damping felt is fixedly provided below the upper cover cap, and interference screen grooves are provided on the rear side of the middle partition plate and below the upper cover plate; The sound absorbing assembly includes a lower sealing plate, a column and a bottom cover plate. The upper end of the lower sealing plate is fixedly connected to the lower end of the middle partition plate, the lower end of the lower sealing plate is fixedly connected to the upper end of the column, and the lower end of the column is fixedly connected to the bottom cover plate. An upper sound absorbing screen is fixedly provided on the lower sealing plate, and a sound insulation board and a lower sound absorbing screen are fixedly provided on the column.
2. The assembled bridge deck noise barrier according to claim 1, characterized in that: A first sound-absorbing cotton is fixedly provided on a side of the middle partition away from the interference screen groove, and a second sound-absorbing cotton is fixedly provided on a side of the rear plate close to the middle partition.
3. The assembled bridge deck noise barrier according to claim 1, characterized in that: The sound insulation board and the lower sound absorbing screen are fixedly connected via a clamp, and the sound insulation board and the upper sound absorbing screen are fixedly connected via a clamp.
4. The assembled bridge deck noise barrier according to claim 1, characterized in that: The lower end of the lower sound absorbing screen is fixedly connected to the bottom cover plate.
5. The assembled bridge deck noise barrier according to claim 1, characterized in that: The upper end of the upper sound absorbing screen is fixedly connected to the lower sealing plate.
6. The assembled bridge deck noise barrier according to claim 1, characterized in that: One end of the bottom cover plate away from the column is fixedly connected to the ground.