CN217948847U

CN217948847U - Rubber cement sound barrier

Info

Publication number: CN217948847U
Application number: CN202222069536.1U
Authority: CN
Inventors: 周荣森; 钱兵; 吴承旭
Original assignee: Jiangsu Xinguang Environmental Protection Engineering Co ltd
Current assignee: Jiangsu Xinguang Environmental Protection Engineering Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-12-02
Anticipated expiration: 2032-08-08

Abstract

The utility model belongs to the field of sound barriers, and particularly discloses a rubber cement sound barrier, which comprises a cement fiber substrate, wherein a layer of rubber sound-absorbing plate is laid on the front surface of the cement fiber substrate, a layer of aluminum alloy back plate is arranged on the back surface of the cement fiber substrate, and aluminum alloy packaging plates for fixedly clamping the rubber sound-absorbing plate and the aluminum alloy back plate are respectively arranged on the top surface and the bottom surface of the cement fiber substrate; the reinforced concrete structure is characterized in that reinforcing steel bar skeletons distributed at equal intervals along the length direction of the cement fiber base plate are embedded in the cement fiber base plate, two spaced and parallel mounting plates are respectively arranged on the back surfaces of the upper aluminum alloy packaging plate and the lower aluminum alloy packaging plate, the upper end and the lower end of each reinforcing steel bar skeleton extend out of the cement fiber base plate and are arranged in the two mounting plates, and the two ends of each reinforcing steel bar skeleton are fixedly arranged on the mounting plates through bolts; the outer side surface of the rubber sound absorption plate is of a wave-shaped curved surface structure, a plurality of through sound absorption grooves are formed in the curved surface of the rubber sound absorption plate, and perlite sound absorption plates are embedded in the sound absorption grooves; a cavity is reserved in the aluminum alloy back plate, and a porous foam plate is packaged in the cavity.

Description

Rubber cement sound barrier

Technical Field

The utility model relates to a sound barrier field specifically is rubber cement sound barrier.

Background

The sound barrier refers to a wall-type structure which is arranged beside railways and highways for reducing the influence of driving noise on nearby residents, and is mainly used for sound insulation and noise reduction of highways, expressways, overhead composite roads and other noise sources. Sound-insulating walls are also known as sound barriers. The insertion of a facility between the source and the receiver, called a sound barrier, provides a significant additional attenuation of the sound wave propagation, thus attenuating the noise contribution in the area where the receiver is located. The most used types of sound barriers are classified into traffic sound barriers, equipment noise attenuation sound barriers, industrial plant sound barriers, highways and expressways.

For the sound barrier arranged beside a railway, when the train runs at a high speed, the sound barrier is influenced by the aerodynamic force of the train to vibrate, the stability is poor, and the structural strength needs to be improved; and the existing sound barrier has a simple structure, and the sound insulation and noise reduction effects are not ideal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rubber cement sound barrier to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the rubber cement sound barrier comprises a cement fiber substrate, wherein a layer of rubber sound absorption plate is laid on the front surface of the cement fiber substrate, a layer of aluminum alloy back plate is arranged on the back surface of the cement fiber substrate, and aluminum alloy packaging plates for clamping and fixing the rubber sound absorption plate and the aluminum alloy back plate are respectively arranged on the top surface and the bottom surface of the cement fiber substrate; the reinforced concrete structure is characterized in that reinforcing steel bar skeletons distributed at equal intervals along the length direction of the cement fiber base plate are embedded in the cement fiber base plate, two spaced and parallel mounting plates are respectively arranged on the back surfaces of the upper aluminum alloy packaging plate and the lower aluminum alloy packaging plate, the upper end and the lower end of each reinforcing steel bar skeleton extend out of the cement fiber base plate and are arranged in the two mounting plates, and the two ends of each reinforcing steel bar skeleton are fixedly arranged on the mounting plates through bolts; the outer side surface of the rubber sound absorption plate is of a wave-shaped curved surface structure, a plurality of through sound absorption grooves are formed in the curved surface of the rubber sound absorption plate, and perlite sound absorption plates are embedded in the sound absorption grooves; a cavity is reserved in the aluminum alloy back plate, and a porous foam plate is packaged in the cavity.

Preferably, a through hole for the steel bar framework to pass through is reserved on the aluminum alloy packaging plate, first mounting holes matched with the bolts are formed in two ends of the steel bar framework, and second mounting holes corresponding to the first mounting holes are reserved on the mounting plate.

Preferably, the aluminum alloy packaging plate is of a Contraband type structure, the two ends of the aluminum alloy packaging plate form edge wrapping plates to wrap the rubber sound absorption plate and the aluminum alloy back plate, and the edge wrapping plates are fixedly mounted with the rubber sound absorption plate and the aluminum alloy back plate through fastening bolts respectively.

Preferably, a plurality of sound absorption holes are uniformly distributed on the surface of the cement fiber substrate.

Preferably, a plurality of sound-absorbing through holes are uniformly formed in the surface of the aluminum alloy back plate.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model arranges the aluminum alloy back plate on the back of the cement fiber substrate, pre-embeds the steel reinforcement framework in the cement fiber substrate, and is matched with the aluminum alloy packaging plate, thereby not only facilitating the assembly, but also greatly enhancing the structural strength of the sound barrier; the front surface of the cement fiber substrate is provided with the rubber sound-absorbing plate with the wave-shaped curved surface structure, and the perlite sound-absorbing plate is embedded in the sound-absorbing groove of the rubber sound-absorbing plate, so that the sound-absorbing plate not only can transmit and absorb sound through the sound-absorbing groove and the perlite sound-absorbing plate, but also has the functions of flexible shock absorption and sound insulation and noise reduction to a certain extent, and the superposition and reverberation of sound waves caused by directly reflecting the sound waves back to the air are avoided; the porous foam board is packaged in the cavity of the aluminum alloy packaging board, so that the sound absorption effect is enhanced, the structural weight of the sound barrier component is reduced, and the light weight is realized.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of a cement fiber substrate according to the present invention;

FIG. 3 is a schematic view of the aluminum alloy packaging plate of the present invention;

fig. 4 is a schematic structural diagram of the rubber sound-absorbing panel of the present invention.

In the figure: 1. a cement fiber substrate; 2. a rubber sound absorbing panel; 3. an aluminum alloy backing plate; 4. an aluminum alloy package plate; 5. a steel reinforcement cage; 6. mounting a plate; 7. a bolt; 8. a first mounting hole; 9. a second mounting hole; 10. a sound absorption groove; 11. a perlite acoustic board; 12. a porous foam board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Referring to fig. 1-4, the present invention provides a technical solution: the rubber cement sound barrier comprises a cement fiber substrate 1, wherein a layer of rubber sound absorption plate 2 is laid on the front surface of the cement fiber substrate 1, a layer of aluminum alloy back plate 3 is arranged on the back surface of the cement fiber substrate 1, and aluminum alloy packaging plates 4 for clamping and fixing the rubber sound absorption plate 2 and the aluminum alloy back plate 3 are respectively arranged on the top surface and the bottom surface of the cement fiber substrate 1; the concrete fiber base plate 1 is internally embedded with a steel bar framework 5 which is distributed at equal intervals along the length direction, two spaced and parallel mounting plates 6 are respectively arranged on the back surfaces of the upper aluminum alloy packaging plate 4 and the lower aluminum alloy packaging plate 4, the upper end and the lower end of the steel bar framework 5 both extend out of the concrete fiber base plate 1 and are arranged in the two mounting plates 6, and the two ends of the steel bar framework 5 are fixedly arranged on the mounting plates 6 through bolts 7; the outer side surface of the rubber sound-absorbing plate 2 is of a wave-shaped curved surface structure, a plurality of penetrating sound-absorbing grooves 10 are formed in the curved surface of the rubber sound-absorbing plate, and perlite sound-absorbing plates 11 are embedded in the sound-absorbing grooves 10; a cavity is reserved in the aluminum alloy back plate 3, and a porous foam plate 12 is packaged in the cavity.

Furthermore, a through hole for the steel reinforcement framework 5 to pass through is reserved on the aluminum alloy packaging plate 4, first mounting holes 8 matched with the bolts 7 are formed in two ends of the steel reinforcement framework 5, and second mounting holes 9 corresponding to the first mounting holes 8 are reserved on the mounting plate 6.

Further, the aluminum alloy packaging plate 4 is of a Contraband type structure, edge covering plates are formed at two ends of the aluminum alloy packaging plate and are wrapped outside the rubber sound absorption plate 2 and the aluminum alloy back plate 3, and the edge covering plates are fixedly mounted with the rubber sound absorption plate 2 and the aluminum alloy back plate 3 through fastening bolts respectively.

Furthermore, a plurality of sound absorption holes are uniformly distributed on the surface of the cement fiber substrate 1.

Furthermore, a plurality of sound-absorbing through holes are uniformly formed in the surface of the aluminum alloy back plate 3.

The working principle is as follows:

during installation, the top and bottom surfaces of the cement fiber substrate 1 are respectively covered with an aluminum alloy packaging plate 4 for fixedly clamping the rubber sound absorption plate 2 and the aluminum alloy back plate 3, the upper and lower ends of a steel reinforcement framework 5 in the cement fiber substrate 1 penetrate through a through hole of the aluminum alloy packaging plate 4 and are arranged in two mounting plates 6, and each steel reinforcement framework 5 is fixedly arranged on the mounting plates 6 by using bolts 7; the edge covering plates at two ends of the aluminum alloy packaging plate 4 are covered outside the rubber sound absorption plate 2 and the aluminum alloy back plate 3, and the edge covering plates, the rubber sound absorption plate 2 and the aluminum alloy back plate 3 are fixedly installed by fastening bolts; by utilizing the mutual matching of the steel bar framework 5, the aluminum alloy back plate 3 and the aluminum alloy packaging plate 4, the assembly is convenient, and the structural strength of the sound barrier is greatly enhanced.

The front side of the cement fiber substrate 1 is provided with the rubber sound-absorbing plate 2 with the wave-shaped curved surface structure, and the perlite sound-absorbing plate 11 is embedded in the sound-absorbing groove 10 of the rubber sound-absorbing plate 2, so that the sound transmission and absorption can be realized through the sound-absorbing groove 10 and the perlite sound-absorbing plate 11, and the flexible vibration absorption, sound insulation and noise reduction effects are realized to a certain extent, so that the superposition and reverberation of sound waves caused by directly reflecting the sound waves back to the air are avoided; the porous foam plate 12 is packaged in the cavity of the aluminum alloy packaging plate 4, so that the sound absorption effect is further enhanced, the structural weight of the sound barrier member is reduced, and the light weight is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The rubber cement sound barrier is characterized by comprising a cement fiber substrate (1), wherein a layer of rubber sound absorption plate (2) is laid on the front surface of the cement fiber substrate (1), a layer of aluminum alloy back plate (3) is arranged on the back surface of the cement fiber substrate, and aluminum alloy packaging plates (4) for clamping and fixing the rubber sound absorption plate (2) and the aluminum alloy back plate (3) are respectively arranged on the top surface and the bottom surface of the cement fiber substrate (1); reinforcing steel bar frameworks (5) distributed at equal intervals along the length direction of the cement fiber base plate are embedded in the cement fiber base plate (1), two spaced and parallel mounting plates (6) are respectively arranged on the back surfaces of the upper aluminum alloy packaging plate and the lower aluminum alloy packaging plate (4), the upper end and the lower end of each reinforcing steel bar framework (5) extend out of the cement fiber base plate (1) and are arranged in the two mounting plates (6), and the two ends of each reinforcing steel bar framework (5) are fixedly arranged on the mounting plates (6) through bolts (7); the outer side surface of the rubber sound-absorbing plate (2) is of a wave-shaped curved surface structure, a plurality of sound-absorbing grooves (10) which are communicated are formed in the curved surface, and perlite sound-absorbing plates (11) are embedded in the sound-absorbing grooves (10); a cavity is reserved in the aluminum alloy back plate (3), and a porous foam plate (12) is packaged in the cavity.

2. The rubber cement sound barrier of claim 1, wherein: a through hole for the steel bar framework (5) to pass through is reserved on the aluminum alloy packaging plate (4), first mounting holes (8) matched with the bolts (7) are formed in two ends of the steel bar framework (5), and second mounting holes (9) corresponding to the first mounting holes (8) are reserved on the mounting plate (6).

3. The rubber cement sound barrier of claim 1, wherein: the aluminum alloy packaging plate (4) is of a Contraband type structure, edge wrapping plates are formed at two ends of the aluminum alloy packaging plate and wrap the outer portions of the rubber sound absorption plate (2) and the aluminum alloy back plate (3), and the edge wrapping plates are fixedly mounted with the rubber sound absorption plate (2) and the aluminum alloy back plate (3) through fastening bolts respectively.

4. The rubber cement sound barrier of claim 1, wherein: and a plurality of sound absorption holes are uniformly distributed on the surface of the cement fiber substrate (1).

5. The rubber cement sound barrier of claim 1, wherein: the surface of the aluminum alloy back plate (3) is uniformly provided with a plurality of sound-absorbing through holes.