CN215887982U

CN215887982U - All-metal sound barrier

Info

Publication number: CN215887982U
Application number: CN202122312773.1U
Authority: CN
Inventors: 宫伟鹏; 戴亮; 贾宜鑫
Original assignee: Shandong High Speed High Tech Materials Technology Co ltd
Current assignee: Shandong High Speed High Tech Materials Technology Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-02-22
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses an all-metal sound barrier, which comprises at least one group of sound barrier units made of metal materials, wherein each sound barrier unit comprises a group of sound barrier plates and H-shaped stand columns positioned on two sides of each sound barrier plate, the bottoms of the H-shaped stand columns are provided with mounting bases, the sound barrier plates are sequentially inserted into flanges of the H-shaped stand columns from bottom to top, each sound barrier plate comprises a foamed aluminum plate positioned on a sound absorption side and a back plate positioned on the back side of the foamed aluminum plate, the foamed aluminum plates are provided with through holes I at intervals, and the peripheries of the sound barrier plates are provided with sealing side frames; the sound barrier of this scheme has that sound absorption sound insulation is effectual, long service life, with low costs, the recoverable beneficial effect of environmental protection.

Description

All-metal sound barrier

Technical Field

The utility model relates to the field of sound barriers, in particular to an all-metal sound barrier.

Background

The sound barrier is arranged in areas with noise reduction requirements, such as two sides of roads, residential areas, libraries, schools and the like, and is a main means for noise control. In the prior art, sound barrier sound insulation materials are mainly polyester fibers, glass fibers, polyurethane foam and the like, and a large amount of fiber dust is generated in the using process, so that the environment is polluted, and the defects of poor sound absorption and sound insulation effects exist; in addition, the sound insulation material in the prior art has poor weather resistance and short service life, and the sound insulation material can only be replaced by a new sound barrier after reaching the service life and cannot be recycled, so that the use cost of the sound barrier is increased, and the application prospect of the sound barrier is seriously influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide an all-metal sound barrier which has the advantages of good sound absorption and insulation effect, long service life, low cost, environmental protection and recoverability.

In order to solve the problems, the utility model provides the following technical scheme:

the utility model provides an all-metal sound barrier, includes the sound barrier unit of at least a set of metal material, the sound barrier unit includes a set of sound barrier board and is located the H type stand of sound barrier board both sides, the bottom of H type stand is equipped with the installation base, the sound barrier board is by supreme down pegging graft in proper order in the edge of a wing of H type stand, the sound barrier board is including being located the foamed aluminum plate who inhales the sound side and being located the backplate of foamed aluminum plate rear side, the foamed aluminum plate interval is equipped with perforation I, the periphery of sound barrier board is equipped with sealed frame.

It is noted that the foamed aluminum is a porous metal material, and the density is only 0.25-0.6 g/cm³Compared with the water density, the rigidity is 5 times of that of steel, is a light high-strength material, can show the convenience and the shock resistance that promote the installation of sound barrier board, simultaneously, compared with the prior art, foamed aluminum plate has weather resistance such as excellent anti rainwater erosion, anti illumination, temperature variation resistance, can obviously promote the life of sound barrier, reduces the use cost of sound barrier, in addition, the material of the sound barrier of this application is the metal material, can 100% recovery and recycle, has excellent environmental protection performance.

The irregular porous structure in foam aluminum plate surface can effectively reduce the reflection of sound wave, reaches the effect of absorption, noise reduction, and foam aluminum plate has certain thickness simultaneously, and the intercommunication backplate still plays the syllable-dividing effect together, and through experimental determination, the noise reduction coefficient of the sound barrier board of this application is on average 0.75, and up to 0.9, average sound insulation volume is 24.5dB, and as the sound absorption sound insulation material of sound barrier, the effect is showing.

It should be noted that, the thickness of the sound barrier plate matches with the width of the flange of the H-shaped upright post, the all-metal sound barrier of the present application includes a group of sound barrier units, the adjacent sound barrier units share one H-shaped upright post, and a plurality of sound barrier units are connected in sequence according to the actual use length, and the head and the tail of the all-metal sound barrier can be connected with the H-shaped upright post or the C-shaped upright post.

Preferably, the technical scheme of the utility model further comprises that the H-shaped upright is made of aluminum alloy, and the back plate is made of aluminum alloy or aluminum plate, so that the sound barrier material can be recycled.

The technical scheme of the utility model also comprises that a back cavity is arranged between the foamed aluminum plate and the back plate, a supporting frame for supporting the foamed aluminum plate and the back plate is arranged in the back cavity, the back cavity is used for improving the sound insulation effect of the sound barrier, and the supporting frame is used for connecting the foamed aluminum plate and the back plate, so that the overall firmness and stability of the sound barrier plate are improved, and the foamed aluminum plate or the back plate is prevented from deforming.

In order to further improve the stability of the sound barrier panel, the technical scheme of the utility model also comprises that the size of the supporting frame is matched with that of the back cavity, and the supporting frame comprises a square frame and a cross frame which is positioned in the frame and connected with the frame; the support frame is made of aluminum alloy; the size of braced frame and the chamber size phase-match of carrying on the back mean the marginal laminating in the square frame chamber of the back for support foamed aluminum plate's edge, braced frame's thickness is the same with chamber thickness of the back, supports promptly that the frame is packed into the back and also can not the displacement under the condition of not fixing, and the cross frame is used for supporting foamed aluminum plate's middle part, and the support frame of this scheme is a whole, during the installation wholly pack into can, be convenient for install.

In order to improve the sound absorption and insulation effect of the sound barrier, the technical scheme of the utility model also comprises that a sound absorption cap unit which is inclined towards the sound absorption side is arranged at the top of the sound barrier unit, the sound absorption cap unit comprises a foamed aluminum plate positioned at the sound absorption side and a back plate positioned at the rear side of the foamed aluminum plate, the shape of the top of the H-shaped upright post is matched with the inclination angle of the sound absorption cap unit, and it needs to be explained that the sound absorption cap can be arc-shaped or flat-plate-shaped, is the same as the sound barrier unit, and the two sides of the sound absorption cap unit are also provided with the H-shaped upright post, can share one H-shaped upright post with the sound barrier unit, can also independently use the H-shaped upright post, and is fixedly connected with the top of the sound barrier unit; when the sound absorption cap unit and the sound barrier unit share the H-shaped upright post, the top of the H-shaped upright post is processed to be matched with the bending or bending shape of the sound absorption cap.

In order to improve the sealing effect of the sealing frame, the technical scheme of the utility model also comprises that the sealing frame is C-shaped in section, and the sealing frame is connected with the sound barrier plate through a through rivet.

In order to improve the overall attractiveness of the sound barrier, the technical scheme of the utility model also comprises that the rivets are positioned on the side edge of the sound barrier plate connected with the H-shaped stand column, so that the rivets are shielded by the H-shaped stand column after the sound barrier plate is inserted into the flange of the H-shaped stand column, and the rivets cannot be seen from the whole sound barrier from the front view angle of the sound barrier, so that the sound barrier is simple and attractive.

The technical scheme of the utility model also comprises that the back plate is provided with a perforation II, the aperture of the perforation II is 1-20 mm, the perforation rate of the back plate is 1-10%, the perforation can play a certain sound absorption role, and meanwhile, the perforation II of the back plate and the perforation I of the foamed aluminum plate jointly act to improve the air permeability of the sound barrier plate to a certain extent, so that the wind resistance of the sound barrier plate is improved.

In order to improve the firmness of the connection of the sound barrier plate and the H-shaped upright post, the technical scheme of the utility model also comprises that an elastic clamping piece in an extrusion state is arranged between the sound barrier plate and the flange of the H-shaped upright post, when the sound barrier is installed, the H-shaped upright post is firstly fixed on the installation base, then the sound barrier plate is inserted into the flange of the H-shaped upright post, although the thickness of the sound barrier plate is matched with the width of the flange of the H-shaped upright post, a gap still exists, and the elastic clamping piece is used for keeping the sound barrier plate fixed, so that the sound barrier plate is not easy to shake.

In order to improve the sound absorption and insulation effects of the foamed aluminum plate, the technical scheme of the utility model further comprises that the foamed aluminum plate is one or a combination of a through-hole foamed aluminum plate and a closed-cell foamed aluminum plate, the porosity of the foamed aluminum is 50% -90%, and the thickness of the foamed aluminum plate is 5mm-30 mm.

The utility model has the beneficial effects that: compared with the prior art, the utility model aims to provide the all-metal sound barrier which has good sound absorption and insulation effects, long service life, low cost, environmental protection and recoverability, and the all-metal sound barrier is used for realizing the technical effects:

firstly, all the components of the sound barrier are made of metal materials, 100% of the components can be recycled, the whole using process is pollution-free, the sound barrier has excellent environmental protection performance, and the sound absorption and insulation material is a foamed aluminum plate, so that the sound barrier is light in weight, high in strength and convenient and fast to install;

secondly, the foamed aluminum is a porous metal material, and the density is only 0.25-0.6 g/cm³The foamed aluminum plate has lower density than water and 5 times of steel rigidity, and simultaneously has excellent weather resistance such as rainwater erosion resistance, illumination resistance, temperature change resistance and the like compared with the prior art, so that the service life of the sound barrier can be obviously prolonged, and the use cost of the sound barrier is reduced;

finally, the irregular porous structure in foamed aluminum plate surface can effectively weaken sound wave energy, reduce the reflection of sound wave, reaches the effect of absorption, noise reduction, and foamed aluminum plate has certain thickness simultaneously, and the intercommunication backplate still plays the effect of giving sound insulation together, and through experimental determination, the noise reduction coefficient of the sound barrier of this application is on average 0.75, and up to 0.9, the average sound insulation volume is 24.5dB, and sound absorption sound insulation effect is showing.

Drawings

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

Fig. 1 is a schematic structural view of an all-metal sound barrier in example 1;

FIG. 2 is a schematic front view of a sound barrier panel;

FIG. 3 is a schematic rear view of the sound barrier panel;

FIG. 4 is a schematic view of the structure of section A-A in FIG. 2;

FIG. 5 is a schematic view of the connection structure of the sound barrier panel and the H-shaped column;

FIG. 6 is a schematic structural view of a support frame;

fig. 7 is a schematic structural view of an all-metal sound barrier in example 2;

fig. 8 is a side view of the structure of fig. 7.

Wherein, 1 is the sound barrier board, 2 is H type stand, 3 is the installation base, 4 are foamed aluminum plate, 5 are the backplate, 6 are perforation I, 7 are perforation II, 8 are the back of the body chamber, 9 are braced frame, 91 are the frame, 92 are the cross frame, 10 are sealed frame, 11 are the rivet, 12 are the elasticity fastener, 13 are the sound absorption unit.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used for descriptive purposes only to simplify the description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

Example 1:

the attached drawing shows that the all-metal sound barrier comprises two groups of sound barrier units made of metal materials, each sound barrier unit comprises a group of sound barrier plates 1 and H-shaped stand columns 2 located on two sides of each sound barrier plate 1, each H-shaped stand column 2 is made of aluminum alloy, a mounting base 3 is arranged at the bottom of each H-shaped stand column 2, and the sound barrier plates 1 are sequentially inserted into flanges of the H-shaped stand columns 2 from bottom to top.

The sound barrier plate 1 comprises a foamed aluminum plate 4 positioned on the sound absorption side and a back plate 5 positioned on the rear side of the foamed aluminum plate 4, the foamed aluminum plate 4 is closed-cell foamed aluminum, the porosity of the foamed aluminum plate 4 is 70%, the thickness of the foamed aluminum plate is 10mm, through holes I6 are formed in the foamed aluminum plate 4 at intervals, the back plate 5 is an aluminum plate, the back plate 5 is provided with through holes II 7, the diameter of each through hole II 7 is 8mm, and the through hole rate of the back plate 5 is 5%; a back cavity 8 is arranged between the foamed aluminum plate 4 and the back plate 5, and a supporting frame 9 for supporting the foamed aluminum plate 4 and the back plate 5 is arranged in the back cavity 8; the supporting frame 9 is made of aluminum alloy, the size of the supporting frame 9 is matched with that of the back cavity 8, and the supporting frame 9 comprises a square frame 91 and a cross frame 92 which is positioned in the frame 91 and connected with the frame 91.

The periphery of the sound barrier panel 1 is provided with a sealing frame 10, the section of the sealing frame 10 is C-shaped, the sealing frame 10 is connected with the sound barrier panel 1 through a through rivet 11, and the rivet 11 is positioned on the side edge of the sound barrier panel 1 connected with the H-shaped upright post 2; an elastic clamping piece 12 in an extrusion state is arranged between the flange of the sound barrier plate 1 and the flange of the H-shaped upright post 2, and the elastic clamping piece 12 is V-shaped and convenient to use.

Example 2:

the difference between the embodiment and the embodiment 1 is that a sound absorption cap unit 13 inclined to the sound absorption side is arranged at the top of the sound barrier unit, the sound absorption cap unit 13 comprises a foamed aluminum plate 4 positioned at the sound absorption side and a back plate 5 positioned at the rear side of the foamed aluminum plate 4, namely the sound barrier unit is different from the sound barrier unit in that the sound barrier unit does not have a back cavity 8 and a supporting frame 9, when an elastic clamping piece 12 is used, the elastic clamping piece 12 is matched according to the size of a gap, and the shape of the top of the H-shaped upright column 2 is matched with the inclination angle of the sound absorption cap unit 13; except for the above technical features, the all-metal sound barrier of the present embodiment is the same as that of embodiment 1 with respect to the structure of the sound barrier unit below the sound absorption cap unit 13.

Although the present invention has been described in detail by referring to the drawings in connection 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 scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the 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 appended claims.

Claims

1. An all-metal sound barrier, characterized by: the sound barrier unit comprises at least one group of metal materials, the sound barrier unit comprises a group of sound barrier plates and H-shaped columns located on two sides of the sound barrier plates, an installation base is arranged at the bottom of each H-shaped column, the sound barrier plates are sequentially inserted into the flanges of the H-shaped columns from bottom to top, the sound barrier plates comprise foamed aluminum plates located on sound absorption sides and back plates located on the rear sides of the foamed aluminum plates, perforated holes I are formed in the foamed aluminum plates at intervals, and sealing frames are arranged on the peripheries of the sound barrier plates.

2. The all-metal sound barrier of claim 1, wherein: the H-shaped upright posts are made of aluminum alloy, and the back plate is made of aluminum alloy or aluminum plate.

3. The all-metal sound barrier of claim 1, wherein: be equipped with the back of the body chamber between foamed aluminum plate and the backplate, be equipped with the braced frame who is used for supporting foamed aluminum plate and backplate in the back of the body chamber.

4. The all-metal sound barrier of claim 3, wherein: the size of the supporting frame is matched with that of the back cavity, and the supporting frame comprises a square frame and a cross frame which is positioned in the frame and connected with the frame.

5. The all-metal sound barrier of claim 1, wherein: the top of sound barrier unit is equipped with the sound absorption unit that emits to the slope of sound absorption side, and the sound absorption unit emits including being located the foamed aluminum plate who inhales the sound side and being located the backplate of foamed aluminum plate rear side, the top shape of H type stand and the inclination phase-match of sound absorption unit.

6. The all-metal sound barrier of claim 1, wherein: the sealed frame is C-shaped in cross section, and the sealed frame is connected with the sound barrier plate through a through rivet.

7. The all-metal sound barrier of claim 6, wherein: the rivet is positioned on the side edge of the sound barrier plate connected with the H-shaped upright post.

8. The all-metal sound barrier of claim 1, wherein: the back plate is provided with a through hole II, the aperture of the through hole II is 1mm-20mm, and the punching rate of the back plate is 1% -10%.

9. The all-metal sound barrier of claim 1, wherein: and an elastic clamping piece in an extrusion state is arranged between the sound barrier plate and the flange of the H-shaped upright post.

10. The all-metal sound barrier of claim 1, wherein: the foamed aluminum plate is one or a combination of a through-hole foamed aluminum plate and a closed-cell foamed aluminum plate, the porosity of the foamed aluminum is 50% -90%, and the thickness of the foamed aluminum plate is 5mm-30 mm.