CN218203958U - Foam concrete sound barrier - Google Patents

Abstract

The utility model discloses a foam concrete sound barrier, which is formed by overlapping a plurality of sound barrier unit plates from top to bottom; the sound barrier unit plate comprises a front panel, a front cavity, a foam concrete plate, a rear cavity, a rear back plate, a surrounding frame and a limiting device, wherein the surrounding frame, the front panel and the rear back plate form a cavity structure in a surrounding mode, and the foam concrete plate is filled in the cavity structure; a front cavity is formed between the front panel and the foam concrete plate, and a rear cavity is formed between the foam concrete plate and the back plate; and the limiting device penetrates through the foam concrete slab and is propped against the front panel and the rear back panel. The utility model discloses the structure is exquisite, low in manufacturing cost, self light in weight has good sound absorption effect and use durability, and can not produce the pollution to the environment.

Description

Foam concrete sound barrier

Technical Field

The utility model relates to a sound barrier technical field, concretely relates to foam concrete sound barrier.

Background

With the development of urban traffic and the improvement of road infrastructure, the transportation industry in China is rapidly developed, convenience is provided for people to go out, but the problem of noise pollution cannot be ignored.

Noise on the wheel tracks and the like on the traffic line has serious influence on the life of residents along the line, and the commonly adopted measures are mainly to install sound barriers on two sides of the line. In the urban road sound barrier, the diffusion reflection type and the sound absorption resonance type are two basic acoustic elements, wherein the sound absorption resonance type is a development direction of the urban road sound barrier in the future.

At present, the sound absorption materials used for the traffic sound barrier in China are mainly inorganic fiber materials such as superfine glass wool, mineral wool and the like. The superfine glass wool type sound absorption material is generally low in strength, fragile and easy to break, dust absorption is easy to stain, dust is easy to fly after dusting to cause secondary pollution, and particularly the sound absorption performance is greatly weakened after water absorption and moisture absorption.

SUMMERY OF THE UTILITY MODEL

The utility model provides a overcome the defect among the above-mentioned prior art, provide a light, can not produce the pollution to the environment, foam concrete sound barrier that sound absorption performance is good. The sound barrier has the advantages of simple structure and low manufacturing cost, and realizes a very good sound absorption and insulation effect by adopting the combined action of the sound absorption material and the structure.

The utility model adopts the following technical scheme:

the foam concrete sound barrier is formed by vertically superposing a plurality of sound barrier unit plates; the sound barrier unit plate comprises a front panel, a front cavity, a foam concrete plate, a rear cavity, a rear back plate, a surrounding frame and a limiting device, wherein the surrounding frame, the front panel and the rear back plate form a cavity structure in a surrounding mode, and the foam concrete plate is filled in the cavity structure; a front cavity is formed between the front panel and the foam concrete plate, and a rear cavity is formed between the foam concrete plate and the back plate; and the limiting device penetrates through the foam concrete slab and is propped against the front panel and the rear back panel.

Furthermore, the surrounding frame consists of an upper side plate, a lower side plate, a left side plate and a right side plate, the upper side plate, the left side plate, the lower side plate and the right side plate are sequentially connected to form a frame-shaped structure, and the front panel and the back panel are simultaneously connected with the upper side plate, the left side plate, the lower side plate and the right side plate.

Furthermore, the upper side plate or the lower side plate is fixedly connected with a front limiting plate and a rear limiting plate, the limiting plates are parallel to the front panel and the rear back plate and are respectively arranged on the front side and the rear side of the foam concrete slab, the distance between the limiting plates is determined according to the thickness of the foam concrete slab, and the horizontal direction of the foam concrete slab is limited through the matching of the limiting plates.

Further, stop device includes backing plate, steel pipe and spring, and the steel pipe passes and sets up in the reservation hole in foam concrete slab middle part, and the steel pipe both ends all are connected with the backing plate, and the backing plate is parallel with foam concrete slab, and the backing plate is connected to spring one end, and the other end supports with front panel or backplate.

Further, the front panel adopts a micro-perforated structural plate.

Furthermore, the sound barrier unit plates are connected through bayonets or bolts.

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

1. the front panel of the sound barrier unit panel adopts a micro-perforated structure to perform resonance sound absorption, so that the sound barrier unit panel has good sound absorption effect and durability;

2. the cavity is reserved between the front panel and the rear panel of the sound barrier unit plate and the foam concrete plate, so that the sound absorption characteristic of the sound absorption material can be furthest exerted, and the noise reduction capability is improved;

3. the foam concrete is adopted as the sound absorption material, so that the manufacturing cost is low, the self weight is light, the sound absorption and energy absorption are good, and the environment can not be polluted.

Drawings

FIG. 1 is a front elevation view of the foam concrete sound barrier of the present invention;

fig. 2 is a cross-sectional view of the sound barrier cell plate of the present invention;

fig. 3 is a right rear view of the sound barrier unit panel of the present invention;

fig. 4 is a left front view of the sound barrier unit panel of the present invention;

fig. 5 is a schematic structural view of the limiting device of the present invention.

In the figure: 1-sound barrier unit plate, 2-front panel, 3-front cavity, 4-foam concrete plate, 5-rear cavity, 6-rear back plate, 7-surrounding frame, 7 a-upper side plate, 7 b-left side plate, 7 c-lower side plate, 7 d-right side plate, 8-limiting plate, 9-limiting device, 9 a-backing plate, 9 b-steel pipe and 9 c-spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-5, the foam concrete sound barrier of the present invention is composed of a plurality of sound barrier unit panels 1; the sound barrier unit plate 1 comprises a front panel 2, a front cavity 3, a foam concrete plate 4, a rear cavity 5, a back plate 6, a surrounding frame 7, a limiting plate 8 and a limiting device 9, wherein the surrounding frame 7, the front panel 2 and the back plate 6 enclose a cavity structure, and the foam concrete plate 4 is filled in the cavity structure; a front cavity 3 is formed between the front panel 2 and the foam concrete plate 4, and a rear cavity 5 is formed between the foam concrete plate 4 and the back plate 6.

The steel pipe 9b among the stop device 9 passes the hole of reserving that sets up foam concrete board 4 middle part, and backing plate 9a that the steel pipe both ends are connected links to each other with spring 9c to offset through spring 9c and front panel 2 and postnotum 6, so that foam concrete board 4 keeps certain interval to front panel 2 and postnotum 6.

The surrounding frame 7 is composed of an upper side plate 7a, a lower side plate 7c, a left side plate 7b and a right side plate 7d, the upper side plate 7a, the left side plate 7b, the lower side plate 7c and the right side plate 7d are sequentially connected to form a frame-shaped structure, and the front panel 2 and the back panel 6 are simultaneously connected with the upper side plate 7a, the left side plate 7b, the lower side plate 7c and the right side plate 7 d.

The limit plate 8 is fixedly connected to the upper side plate 7a or the lower side plate 7 c. The distance between the front limiting plate 8 and the rear limiting plate 8 is determined according to the thickness of the foam concrete slab 4, and the foam concrete slab 4 is limited in the horizontal direction through the matching of the limiting plates 8.

In this embodiment, the front panel 2 is preferably made of an aluminum plate with a thickness of 1mm, and the opening ratio is about 1%; the foam concrete slab 4 is made of foam concrete with the dry density of about 600kg/m < 3 >, and the thickness is 5cm; the back plate 6 is an aluminum plate with the thickness of 2 mm; the front cavity 3 is 17mm thick; the rear cavity 5 is 30mm thick.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the terms indicated by reference numerals in the figures are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (7)

1. The foam concrete sound barrier is formed by vertically superposing a plurality of sound barrier unit plates; the method is characterized in that: the sound barrier unit plate comprises a front panel, a front cavity, a foam concrete plate, a rear cavity, a rear back plate, a surrounding frame and a limiting device, wherein the surrounding frame, the front panel and the rear back plate form a cavity structure in a surrounding mode, and the foam concrete plate is filled in the cavity structure; a front cavity is formed between the front panel and the foam concrete plate, and a rear cavity is formed between the foam concrete plate and the back plate; and the limiting device penetrates through the foam concrete slab and is propped against the front panel and the rear back panel.

2. The foam concrete sound barrier of claim 1, wherein: the peripheral frame consists of an upper side plate, a lower side plate, a left side plate and a right side plate, the upper side plate, the left side plate, the lower side plate and the right side plate are sequentially connected to form a frame-shaped structure, and the front panel and the back panel are simultaneously connected with the upper side plate, the left side plate, the lower side plate and the right side plate.

3. The foam concrete sound barrier of claim 2, wherein: the upper side plate is fixedly connected with a front limiting plate and a rear limiting plate, the limiting plates are parallel to the front panel and the rear back plate and are respectively arranged on the front side and the rear side of the foam concrete slab, and the distance between the limiting plates is determined according to the thickness of the foam concrete slab.

4. The foam concrete sound barrier of claim 2, wherein: the lower side plate is fixedly connected with a front limiting plate and a rear limiting plate, the limiting plates are parallel to the front panel and the rear back plate and are respectively arranged on the front side and the rear side of the foam concrete plate, and the distance between the limiting plates is determined according to the thickness of the foam concrete plate.

5. The foamed concrete sound barrier of claim 1, wherein: the limiting device comprises a base plate, a steel pipe and a spring, the steel pipe penetrates through a reserved hole formed in the middle of the foam concrete slab, the two ends of the steel pipe are connected with the base plate, the base plate is parallel to the foam concrete slab, one end of the spring is connected with the base plate, and the other end of the spring abuts against the front panel or the back panel.

6. The foamed concrete sound barrier of any one of claims 1 to 5, wherein: the front panel adopts a micro-perforated structural plate.

7. The foam concrete sound barrier of claim 1, wherein: the sound barrier unit plates are connected through bayonets or bolts.

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