CN217266997U - Arc sound barrier - Google Patents

Abstract

The utility model discloses an arc-shaped sound barrier, which comprises a group of sound barrier units which are sequentially connected from left to right, wherein the whole shape of the sound barrier unit is an arc which is bent towards the sound absorption side, the sound barrier unit comprises H-shaped stand columns which are positioned at the left end and the right end and are arc-shaped, a group of arc-shaped foamed aluminum sound barrier plates are arranged between the two H-shaped stand columns, the radian of the foamed aluminum sound barrier plates is matched with the H-shaped stand columns, and the left end and the right end of the foamed aluminum sound barrier plates are vertically inserted into the flanges of the H-shaped stand columns; the bottom of the H-shaped upright post is provided with a mounting base; the outer side surfaces of the H-shaped upright posts and the foamed aluminum sound barrier plate are plated with anti-corrosion layers; the sound barrier of this scheme has sound absorption and gives sound insulation effectual, long service life and the easy beneficial effect of firmly installing.

Description

Arc sound barrier

Technical Field

The utility model relates to a sound barrier field, specificly relate to an arc sound barrier.

Background

At present, in road traffic noise control, the arrangement of a sound barrier is always the main means of noise control, and compared with other noise control means, the sound barrier has the advantages of being close to a noise source, easy to organize and construct, small in related area and the like, and is the main process for controlling and improving traffic noise at present. According to the environmental protection requirement, in order to reduce the influence of the noise of the transportation facilities on the surrounding environment, such as hospitals, schools, residential areas, libraries and other areas, sound barriers are required to be arranged around the facilities.

The arc-shaped sound barrier is a sound barrier with a certain radian integrally, is mainly arranged in a region with a small installation area such as a bridge and the like, and has the advantages of high sound absorption and sound insulation efficiency in unit area, but the sound insulation material of the arc-shaped sound barrier is mainly polyester fiber, glass fiber, polyurethane foam and the like, a large amount of fiber dust can be generated in the using process, the environment is polluted, and the defects of poor sound absorption and sound insulation effect, poor durability and the like exist; in addition, the sound barrier installed on the bridge isolation pier has the defects of poor fixation with the isolation pier and complex installation process, and further the application of the arc-shaped sound barrier is limited.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a sound absorption sound insulation arc sound barrier that effectual, long service life and easily firm installation.

In order to solve the above problem, the utility model provides a following technical scheme:

an arc-shaped sound barrier comprises a group of sound barrier units which are sequentially connected from left to right, the whole shape of each sound barrier unit is an arc shape which is bent towards a sound absorption side, each sound barrier unit comprises H-shaped stand columns which are positioned at the left end and the right end and are arc-shaped, a group of arc-shaped foamed aluminum sound barrier plates are arranged between the two H-shaped stand columns, the radians of the foamed aluminum sound barrier plates are matched with the H-shaped stand columns, and the left ends and the right ends of the foamed aluminum sound barrier plates are vertically inserted into flanges of the H-shaped stand columns; the bottom of the H-shaped upright post is provided with a mounting base; the outer side surfaces of the H-shaped upright post and the foamed aluminum sound barrier plate are respectively plated with an anticorrosive layer.

The foamed aluminum is a porous metal material and is prepared by aluminum liquid through a foaming process, and due to cutting, the foamed aluminum material forms a plurality of Helmholtz resonator sound absorbers which are connected in parallel, and sound waves reach the surface part and enter material holes to cause resonance sound absorption; meanwhile, cracks and micropores exist in the material, and when sound waves pass through, the vibrated sound waves are continuously converted into heat energy for consumption; in addition, the surface of the material is uneven, sound waves diffuse to form interference noise elimination when arriving, and the sound absorption and sound insulation effects are realized through the three modes; in addition, because of the certain radian of the sound barrier unit, the sound barrier unit can effectively absorb the sound waves reflected by the sound barrier after the sound waves arrive, and further improve the sound absorption and insulation effects.

In order to improve the sound absorption and insulation performance of the foamed aluminum sound barrier plate, the technical scheme of the utility model also comprises that the foamed aluminum sound barrier plate comprises a foamed aluminum plate positioned on the sound absorption surface and a back plate positioned on the back surface, a back cavity is arranged between the foamed aluminum plate and the back plate, a support keel I is arranged in the back cavity, a sealing frame I is arranged at the periphery of the foamed aluminum sound barrier plate, and an elastic clamping piece in a compression state is arranged between the foamed aluminum sound barrier plate and the flange of the H-shaped upright column; it should be noted that, the setting of back of the body chamber and backplate can further promote the sound absorption sound insulation performance of foamed aluminum sound barrier board, support fossil fragments I be used for supporting foamed aluminum plate, promote its structural stability, the effect of elasticity fastener is fastened foamed aluminum sound barrier board, avoids it to rock in the edge of a wing of H type stand, and then influences the life of sound barrier.

For promoting the fixed stability of arc sound barrier, the technical scheme of the utility model still include, foamed aluminum plate and the equal interval of backplate are equipped with the through hole, and the aperture of through hole is 1mm-5mm, when the arc sound barrier is used for highway bridge both sides, because of horizontal strong wind effect, easily lead to the sound barrier slope to drop even, this scheme is through setting up the through hole, has promoted the air permeability of arc sound barrier, and simultaneously, do further injectd to the aperture of through hole, when the noise enters little through hole, the reflection and the refraction effect of through hole also can effectively weaken the sound wave energy, play the sound absorbing effect.

For further promoting the air permeability of arc sound barrier, and then promote its fixed fastness, the technical scheme of the utility model still include, control and be equipped with curved ventilation type sound barrier board between the adjacent H type stand, both ends are pegged graft in the edge of a wing of H type stand about ventilation type sound barrier board, and the top and the below of ventilation type sound barrier board are foamed aluminium sound barrier board.

In order to improve the firmness of the ventilation type sound barrier plate structure and keep the sound absorption and insulation performance of the ventilation type sound barrier plate structure, the technical scheme of the utility model also comprises that the sound absorption surface and the back surface of the ventilation type sound barrier plate are both provided with ventilation plates, a cavity is arranged between the front ventilation plate and the back ventilation plate, a support keel II is arranged in the cavity, the ventilation plates are provided with a group of strip-shaped ventilation holes, and the periphery of the ventilation type sound barrier plate is provided with a sealing frame II; it should be noted that the length of the ventilation type sound barrier panel is the same as that of the foamed aluminum sound barrier panel, and the connection mode of the ventilation type sound barrier panel and the foamed aluminum sound barrier panel is the same as that of the H-shaped upright post.

For promoting the fixed fastness of arc sound barrier board and basic installation face, the technical scheme of the utility model still include, the installation base is the installation flat board that the level set up, and the installation is dull and stereotyped and the bottom welding of H type stand, and the installation flat board is equipped with a set of mounting hole, and the installation is dull and stereotyped to pass through bolt and basic installation face fixed connection.

The technical scheme of the utility model still include, the installation base is the saddle formula base, and the saddle formula base includes diaphragm, the vertical riser that sets up at diaphragm both ends and runs through in the construction bolt of two risers that the level set up, and the bottom and the diaphragm welding of H type stand, H type stand are equipped with the reinforced rib board with the both sides of diaphragm junction. Saddle formula base can directly hitch in bridge hard shoulder top, simultaneously, uses construction bolt to run through bridge and riser and then accomplish fixedly, and this scheme is showing the fastness that promotes arc sound barrier and bridge hard shoulder and be connected.

For further promoting the fastness that bridge hard shoulder and saddle base are connected, the technical scheme of the utility model still include, saddle base's riser is including riser I that is located the right side and riser II that is located the left side, and the top and the diaphragm of riser I are connected as a whole and are

The type, the top left side of riser II is equipped with the connecting plate that the level set up, and riser II is whole and be "7" type with the connecting plate, and the connecting plate passes through bolt fixed connection with the diaphragm. It should be noted that in this scheme, H type stand is whole with diaphragm and riser I of saddle formula base, and riser II is whole with the connecting plate, during the connection, passes through bolted connection back with two whole, again with riser I and riser II and bridge hard shoulder through the construction bolt fixed connection who runs through, this sideThe scheme has the advantages that the installation process is simple, and the firmness of connection of the arc-shaped sound barrier and the bridge isolation pier can be further improved through the bolt connection arrangement of the connecting plate and the transverse plate.

For promoting the sound absorption and insulation effect of the arc-shaped sound barrier, the technical scheme of the utility model also includes that the whole radian of the sound barrier unit is 45-90 degrees.

The utility model has the advantages that: compared with the prior art, the utility model aims at providing a sound absorption sound insulation is effectual, long service life and the arc sound barrier of easily firm installation, for realizing above-mentioned technological effect:

firstly, the sound insulation material is a foamed aluminum sound barrier plate, wherein foamed aluminum is a porous metal material, and sound absorption and insulation effects are realized in the modes of sound absorption of Helmholtz resonators, sound absorption of cracks and micropores, interference sound attenuation and the like; in addition, the sound barrier unit has a certain radian, and can effectively absorb sound waves reflected by the sound barrier after the sound waves arrive, so that the sound absorption and insulation effects are further improved;

secondly, the arc-shaped sound barrier is made of metal materials, and the outer side surfaces of the H-shaped stand column and the foamed aluminum sound barrier plate are plated with anticorrosive layers, so that compared with the traditional sound insulation material, the sound insulation material has the advantages of excellent weather resistance, longer service life and lower annual use cost;

finally, the optimization scheme of this application can show the fastness that promotes arc sound barrier and bridge hard shoulder through further injecing arc sound barrier ventilation type and installation base, and simultaneously, the arc sound barrier of this scheme is assembled installation design, only need during the field installation carry on the bolt fastening and peg graft can, installation simple process can effectively promote the efficiency of construction of sound barrier.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic front view of the arc-shaped sound barrier in embodiment 1;

FIG. 2 is a schematic structural view of section A-A of FIG. 1;

FIG. 3 is a schematic view of the construction of an aluminum foam sound barrier panel;

FIG. 4 is a schematic structural view of an H-shaped pillar and a partially installed base;

FIG. 5 is a schematic view of the cross section B-B in FIG. 4;

FIG. 6 is a schematic structural view of a saddle-type base fixedly connected with a bridge pier;

fig. 7 is a schematic front view of the arc-shaped sound barrier in embodiment 2;

FIG. 8 is a schematic view of section C-C of FIG. 7;

fig. 9 is a schematic view of the structure of a ventilation-type sound barrier panel.

Wherein, 1 is H type stand, 2 is foamed aluminum plate, 3 is the backplate, 4 are the through hole, 5 are the back of the body chamber, 6 are supporting keel I, 7 are sealed frame I, 8 are the elasticity fastener, 9 are saddle formula base, 10 are the diaphragm, 11 are construction bolt, 12 are the reinforcing floor, 13 are riser I, 14 are riser II, 15 are the connecting plate, 16 are the ventilating board, 17 are the cavity, 18 are supporting keel II, 19 are the ventilation hole, 20 are sealed frame II, 21 are bridge hard shoulder.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are for simplicity of description, and are not intended to indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting.

Example 1:

as can be seen from the attached drawing, the arc-shaped sound barrier comprises a group of sound barrier units which are sequentially connected from left to right, the whole shape of the sound barrier unit is an arc shape which is bent towards the sound absorption side, and the whole radian of the sound barrier unit is 45 degrees; the sound barrier unit comprises arc-shaped H-shaped stand columns 1 which are positioned at the left end and the right end, a group of arc-shaped foamed aluminum sound barrier plates are arranged between the two H-shaped stand columns 1, the radians of the foamed aluminum sound barrier plates are matched with the H-shaped stand columns 1, and the left end and the right end of each foamed aluminum sound barrier plate are vertically inserted into flanges of the H-shaped stand columns 1; the bottom of the H-shaped upright post 1 is provided with a mounting base; the outer side surfaces of the H-shaped upright posts 1 and the foamed aluminum sound barrier panel are plated with anticorrosive layers.

The foamed aluminum sound barrier plate comprises a foamed aluminum plate 2 positioned on the sound absorption surface and a back plate 3 positioned on the back surface, through holes 4 are formed in the foamed aluminum plate 2 and the back plate 3 at intervals, and the aperture of each through hole 4 is 1-5 mm; be equipped with back of the body chamber 5 between foamed aluminum plate 2 and the backplate 3, be equipped with in the back of the body chamber 5 and support fossil fragments I6, the periphery of foamed aluminum sound barrier board is equipped with sealed frame I7, is equipped with the elasticity fastener 8 that is in compression state between the edge of a wing of foamed aluminum sound barrier board and H type stand 1.

The mounting base is a saddle type base 9, the saddle type base is sleeved on the top of the bridge isolation pier 21, the saddle type base 9 comprises a horizontal plate 10 which is horizontally arranged, vertical plates which are vertically arranged at two ends of the horizontal plate 10 and mounting bolts 11 which penetrate through the two vertical plates and the bridge isolation pier 21, the bottom of an H-shaped upright post 1 is welded with the horizontal plate 10, and reinforcing rib plates 12 are arranged on two sides of the joint of the H-shaped upright post 1 and the horizontal plate 10; the vertical plates of the saddle type base 9 comprise a vertical plate I13 positioned on the right side and a vertical plate II 14 positioned on the left side, and the top of the vertical plate I13 is connected with the transverse plate 10 into a whole and is

The type, the top left side of riser II 14 is equipped with the connecting plate 15 that the level set up, and riser II 14 is a whole and is "7" type with connecting plate 15, and connecting plate 15 passes through bolt fixed connection with diaphragm 10.

Example 2:

as can be seen from the attached drawings, an arc-shaped ventilation type sound barrier plate is arranged between the left and right adjacent H-shaped upright posts 1, the left and right ends of the ventilation type sound barrier plate are inserted into the flanges of the H-shaped upright posts 1, and the upper part and the lower part of the ventilation type sound barrier plate are both provided with foamed aluminum sound barrier plates; the sound absorbing face and the back of ventilation type sound barrier board all are equipped with ventilating board 16, are equipped with cavity 17 between two ventilating board 16 around, are equipped with in the cavity 17 and support fossil fragments II 18, and ventilating board 16 is equipped with the ventilation hole 19 of a set of bar, and the periphery of ventilation type sound barrier board is equipped with sealed frame II 20.

The present embodiment has the same technical features as embodiment 1 except the above technical features.

Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. An arc sound barrier, its characterized in that: the sound barrier unit is in an arc shape bending to the sound absorption side, the sound barrier unit comprises H-shaped upright columns which are positioned at the left end and the right end and are in an arc shape, a group of arc-shaped foamed aluminum sound barrier plates are arranged between the two H-shaped upright columns, the radian of each foamed aluminum sound barrier plate is matched with that of each H-shaped upright column, and the left end and the right end of each foamed aluminum sound barrier plate are vertically inserted into flanges of the H-shaped upright columns; the bottom of the H-shaped upright post is provided with a mounting base; and the outer side surfaces of the H-shaped upright post and the foamed aluminum sound barrier plate are plated with anticorrosive layers.

2. The arcuate sound barrier of claim 1, wherein: foamed aluminum sound barrier board is including the foamed aluminum plate who is located the sound absorbing surface and the backplate that is located the back, be equipped with back of the body chamber between foamed aluminum plate and the backplate, the back of the body intracavity is equipped with support fossil fragments I, foamed aluminum sound barrier board's periphery is equipped with sealed frame I, is equipped with the elasticity fastener that is in compression state between the edge of a wing of foamed aluminum sound barrier board and H type stand.

3. The arcuate sound barrier of claim 2, wherein: the foamed aluminum plate and the back plate are provided with through holes at intervals, and the aperture of each through hole is 1-5 mm.

4. The arcuate sound barrier of claim 1, wherein: an arc-shaped ventilation type sound barrier plate is arranged between the left and right adjacent H-shaped stand columns, the left and right ends of the ventilation type sound barrier plate are inserted into the flanges of the H-shaped stand columns, and the foamed aluminum sound barrier plates are arranged above and below the ventilation type sound barrier plate.

5. The arcuate sound barrier of claim 4, wherein: the sound face of inhaling of ventilation type sound barrier board and the back all are equipped with the ventilating board, are equipped with the cavity between two ventilating boards around, are equipped with support fossil fragments II in the cavity, the ventilating board is equipped with the ventilation hole of a set of bar, and the periphery of ventilation type sound barrier board is equipped with sealed frame II.

6. The arcuate sound barrier of claim 1, wherein: the installation base is a horizontally arranged installation flat plate, the installation flat plate is welded with the bottom of the H-shaped upright post, the installation flat plate is provided with a group of installation holes, and the installation flat plate is fixedly connected with the foundation installation surface through bolts.

7. The arcuate sound barrier of claim 1, wherein: the mounting base is a saddle type base, the saddle type base comprises a horizontal plate, vertical plates and mounting bolts, the horizontal plate is arranged horizontally, the vertical plates are arranged at two ends of the horizontal plate, the mounting bolts penetrate through the two vertical plates, the bottom of the H-shaped stand column is welded with the horizontal plate, and reinforcing rib plates are arranged on two sides of the joint of the H-shaped stand column and the horizontal plate.

8. The arcuate sound barrier of claim 7, wherein: the vertical plate of the saddle type base comprises a vertical plate I positioned on the right side and a vertical plate II positioned on the left side, wherein the top of the vertical plate I is connected with the transverse plate into a whole and is

The type, the top left side of riser II is equipped with the connecting plate that the level set up, and riser II is whole and is "7" type with the connecting plate, the connecting plate passes through bolt fixed connection with the diaphragm.

9. The arcuate sound barrier of claim 1, wherein: the integral radian of the sound barrier unit is 45-90 degrees.

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