CN214033439U

CN214033439U - Sound barrier and sound barrier assembly structure

Info

Publication number: CN214033439U
Application number: CN202022440309.6U
Authority: CN
Inventors: 殷根华; 殷胜炯; 屈洁昊; 顾林华; 沈一凡
Original assignee: Zhejiang Huashuaote New Material Technology Co Ltd
Current assignee: Zhejiang Huashuaote New Material Technology Co Ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-08-24
Anticipated expiration: 2030-10-28

Abstract

The application relates to a sound barrier, including the acoustic celotex part with inhale the sound part, be between the acoustic celotex part and the sound part and predetermine the angle setting, and inhale the sound part and be located the sound wave reflection direction of acoustic celotex part, predetermine the angle and be less than 90. The utility model provides a sound barrier package assembly, two at least sound barriers stack in proper order along the direction of height between two installation stands, and the both ends of sound barrier are installed respectively on an installation stand. The utility model provides an angle is predetermine between the sound-proof part of sound barrier and the sound absorption part, can carry out the multidimension dissipation to the noise, and noise reduction is effectual to can compromise simultaneously and fall the noise and daylighting, build good driving environment.

Description

Sound barrier and sound barrier assembly structure

Technical Field

The application relates to the technical field of sound barriers, in particular to a sound barrier and a sound barrier assembly structure.

Background

The sound barrier is used as a key structure for road noise control, and is mainly used for sound insulation and noise reduction of bridges, expressways, urban viaducts and other noise environments. In order to better realize the scientificity of the acoustic structure and optimize the noise reduction effect, the sound absorption structure and the sound insulation structure can be simultaneously introduced into the sound barrier, but in the existing sound barrier, the two structures are in coplanar distribution, and although the noise outside the sound barrier is reduced to a certain extent, the secondary interference of the sound waves reflected by the sound insulation structure to a driver can not be obviously reduced. Meanwhile, the coplane design cannot effectively adjust the contradiction between the noise reduction effect and the road lighting, and cannot provide a good driving environment.

SUMMERY OF THE UTILITY MODEL

To above-mentioned technical problem, the application provides a sound barrier and sound barrier package assembly, can carry out the multidimensional dissipation to the noise, and noise reduction effect is good to can compromise simultaneously and fall the noise and daylighting, build good driving environment.

For solving above-mentioned technical problem, the application provides a sound barrier, include the puigging part and inhale the sound part, the puigging part with it predetermines the angle setting to inhale to be between the sound part, just it is located to inhale the sound part on the sound wave reflection direction of the puigging part, it is less than 90 to predetermine the angle.

Optionally, the sound-absorbing part is horizontally disposed above the sound-insulating part.

Optionally, still include protective frame, protective frame includes the tie-beam with be located the baffle at tie-beam both ends, the both sides of the length direction of the part that gives sound insulation are fixed respectively on corresponding the baffle, the one side of the width direction of the part that gives sound insulation with the tie-beam contact, the both sides of the length direction of the part that inhales sound are fixed respectively on corresponding the baffle, inhale the one side of the width direction of the part of sound with the opposite side contact of the width direction of the part that gives sound insulation.

Optionally, the sound insulating part is wrapped with a buffer layer on four sides.

Optionally, the bottom of tie-beam is equipped with the butt joint groove, the top surface of inhaling the sound part is equipped with first buffering strip, the butt joint groove with the size looks adaptation of first buffering strip, when two adjacent sound barriers dock in the direction of height, on one of them sound barrier the butt joint groove be used for with another sound barrier on first buffering strip cooperation.

Optionally, the two sides of the length direction of the sound barrier are respectively provided with a mounting groove along the vertical direction, and two outer sides of the mounting groove are both provided with a second buffer strip.

Optionally, inhale the sound part and include porous metal sheet, sound absorbing material layer and visor, sound absorbing material layer is located porous metal sheet with between the visor, porous metal sheet is located sound absorbing material layer's orientation one side of sound insulation part, porous metal sheet with mutual fastening between the visor.

Optionally, reinforcing ribs are formed in the sound insulation part, the reinforcing ribs are arranged in parallel at equal intervals, and the arrangement distance ranges from 5 cm to 20 cm.

The application still provides a sound barrier package assembly, including two installation stands and at least two as above the sound barrier, install respectively at the both ends of sound barrier one on the installation stand, at least two sound barriers are in stack in proper order along the direction of height between two installation stands.

Optionally, the both sides of the length direction of sound barrier are equipped with the mounting groove along vertical direction respectively, two outsides of mounting groove all are equipped with second buffering strip, the installation stand is equipped with the installation spout, two along the direction of height the opening is relative between the installation spout of installation stand, the mounting groove card is gone into in the installation spout that corresponds the installation stand and is passed through the second buffering strip and the lateral wall internal surface contact who corresponds the installation spout.

The application provides a sound barrier, including the acoustic celotex part with inhale the sound part, be between the acoustic celotex part and the sound part and predetermine the angle setting, and inhale the sound part and be located the sound wave reflection direction of acoustic celotex part, predetermine the angle and be less than 90. The utility model provides a sound barrier package assembly, two at least sound barriers stack in proper order along the direction of height between two installation stands, and the both ends of sound barrier are installed respectively on an installation stand. The utility model provides an angle is predetermine between the sound-proof part of sound barrier and the sound absorption part, can carry out the multidimension dissipation to the noise, and noise reduction is effectual to can compromise simultaneously and fall the noise and daylighting, build good driving environment.

Drawings

Fig. 1 is one of schematic structural views of a sound barrier shown according to a first embodiment;

fig. 2 is a second schematic structural view of the sound barrier according to the first embodiment;

fig. 3 is a third schematic structural view of the sound barrier according to the first embodiment;

fig. 4 is a schematic structural view of a protection frame of the sound barrier according to the first embodiment;

fig. 5 is an assembly schematic view between the protection frame and the soundproof portion of the sound barrier according to the first embodiment;

FIG. 6 is one of the schematic views of the assembly between the protective frame, the soundproofing section and the sound-absorbing section of the sound barrier according to the first embodiment;

FIG. 7 is a second schematic view of the assembly of the sound barrier between the protective frame, the sound insulating section and the sound absorbing section according to the first embodiment;

fig. 8 is one of the schematic structural views of the sound barrier assembly structure according to the second embodiment;

fig. 9 is a second schematic structural view of the sound barrier assembly structure according to the second embodiment;

fig. 10 is a third schematic structural view of an assembly structure of a sound barrier according to the second embodiment;

fig. 11 is a schematic view showing a fitting structure of a sound barrier and a mounting post in a sound barrier assembly structure according to a second embodiment;

fig. 12 is a flowchart illustrating a method of manufacturing a sound barrier according to a third embodiment.

Detailed Description

The following description of the embodiments of the present application is provided for illustrative purposes, and other advantages and capabilities of the present application will become apparent to those skilled in the art from the present disclosure.

In the following description, reference is made to the accompanying drawings that describe several embodiments of the application. It is to be understood that other embodiments may be utilized and that mechanical, structural, electrical, and operational changes may be made without departing from the spirit and scope of the present application. The following detailed description is not to be taken in a limiting sense, and the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

Although the terms first, second, etc. may be used herein to describe various elements in some instances, these elements should not be limited by these terms. These terms are only used to distinguish one element from another.

Also, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes" and/or "including," when used in this specification, specify the presence of stated features, steps, operations, elements, components, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, steps, operations, elements, components, species, and/or groups thereof. The terms "or" and/or "as used herein are to be construed as inclusive or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: a; b; c; a and B; a and C; b and C; A. b and C ". An exception to this definition will occur only when a combination of elements, functions, steps or operations are inherently mutually exclusive in some way.

First embodiment

Fig. 1 is one of schematic structural views of a sound barrier shown according to a first embodiment; fig. 2 is a second schematic structural view of the sound barrier according to the first embodiment; fig. 3 is a third schematic structural view of the sound barrier according to the first embodiment. As shown in fig. 1 to 3, the sound barrier of the present embodiment includes a sound insulation portion 11 and a sound absorption portion 12, the sound insulation portion 11 and the sound absorption portion 12 are disposed at a predetermined angle therebetween, and the sound absorption portion 12 is located in a sound wave reflection direction of the sound insulation portion 11, the predetermined angle being less than 90 °. Preferably, the sound-absorbing part 12 is horizontally disposed and located above the soundproof part 11.

Through above-mentioned structure, syllable-dividing part 11 is the oblique angle and arranges, and this oblique angle is the contained angle of syllable-dividing part 11 and perpendicular line and is the mutual complementary relation of angle with the aforesaid with predetermineeing the angle, and sound absorption part arranges sound insulation part 11 positive projection direction in for the horizontal direction, and both constitute embedded triangular prism geometry space structure, and road noise ripples is followed level or slant transmission to the sound barrier after, and a large amount of slant sound waves can be inhaled sound part 12 and directly caught. Meanwhile, due to the existence of the inclination angle, the reflected wave can not enter the driving area any more, but enters the area of the sound absorption part 12 along the normal line symmetry direction of the incident wave acting with the sound insulation part 11, is captured and dissipated, and even if the sound wave which is not captured and dissipated sufficiently exists, the sound wave can be reflected to enter the upper space of the road without being reflected back to the driving area to disturb the driver. Meanwhile, due to the non-coplanar arrangement of the sound absorption part 12 and the sound insulation part 11, the contradiction between the light transmission performance and the noise reduction of the existing coplanar sound barrier is effectively solved, the decibel level and the lighting area in a road channel are improved, a good driving environment can be created for drivers, and the driving fatigue is reduced.

The sound insulation part 11 is made of one of organic glass, an organic glass reinforced composite material, polycarbonate and tempered glass, the organic glass can be also called acrylic, PMMA or polymethyl methacrylate, and the polycarbonate can be also called sunlight plate and PC. The color of the sound insulation part 11 can be colorless and transparent or colored, the material is preferably organic glass reinforced composite material, the material of the rib can be one of nylon, steel wire, carbon fiber, aramid fiber, terylene, polyether ether ketone and polyimide, the cross section of the rib is in a regular geometric figure, preferably circular, the diameter is preferably 1-10mm, the ribs are arranged in the sound insulation part 11 in parallel at equal intervals, the range of the arrangement distance is preferably 5-20cm, and the ribs can also be arranged in a preset pattern. The ribs serve as a framework material to provide mechanical reinforcement to the sound insulating portion 11, to improve the integrity of the fracture, and to prevent bird strikes. The four sides of the sound insulation part 11 can be coated with buffer layers, and the buffer layers are contacted with surrounding elements, so that the sealing performance and the shock resistance are improved. The buffer layer is made of flexible high polymer materials and comprises one of foamed plastics, rubber, PVC adhesive tapes and polyurethane.

The sound-absorbing part 12 includes a perforated metal plate 121, a sound-absorbing material layer (not shown) and a protective cover (i.e., a top surface portion of the sound-absorbing part 12), the sound-absorbing material layer is located between the perforated metal plate 121 and the protective cover, the perforated metal plate 121 is located on a side of the sound-absorbing material layer facing the sound-insulating part 11, and the perforated metal plate 121 and the protective cover are fastened to each other, optionally with or without being connected to the sound-absorbing material layer during the fastening process. The sound absorption material layer is one of foam glass, foam metal, inorganic fiber, organic fiber and foam plastic, and the foam glass and the foam metal with better aging resistance and durability are preferably selected.

The soundproof portion 11 and the sound-absorbing portion 12 are installed on the protection frame 13 at a predetermined angle. Referring to fig. 4, the protection frame 13 includes a connection beam 131, and a first baffle 132 and a second baffle 133 located at two ends of the connection beam 131, wherein the first baffle 132 and the second baffle 133 are provided with a locking groove 136, the upper portion of the connection beam 131 is provided with a horizontal locking groove (not shown), two sides of the sound insulation portion 11 in the length direction are respectively inserted and fixed on the locking grooves 136 of the first baffle 132 and the second baffle 133, one side of the sound insulation portion 11 in the width direction is fixed on the horizontal locking groove of the connection beam 131, two sides of the sound absorption portion 12 in the length direction are respectively fixed on the horizontal edges 137 of the first baffle 132 and the second baffle 133, and one side of the sound absorption portion 12 in the width direction is in contact with the other side of the sound insulation portion 11 in the width direction. The fastening between the locking groove 136 and the protection frame 13, and between the sound-absorbing part 12 and the protection frame 13 can be accomplished by rivets, fasteners, screws, or mechanical pressing. The protective frame 13 is made of one of aluminum, iron, copper, magnesium, zinc, cobalt, nickel, and alloys thereof.

In assembly, please refer to fig. 4 and 5, the sound insulation part 11 is inserted into the slot 136 and the horizontal slot on the protection frame 13, and the width of the opening of the slot 136 and the horizontal slot is adapted to the overall thickness of the sound insulation part 11 coated with the buffer layer, so as to achieve tight fitting. Next, the sound absorbing portion 12 is provided directly above the protective frame 13 to which the sound insulating portion 11 is attached, and is fastened by rivets to the meeting surfaces of the first and

second shutters

132 and 133, and the meeting surfaces of the sound insulating portion 11 contact the cushion layer on the sound insulating portion 11, thereby obtaining the assembled structure shown in fig. 6 and 7. In practice, the sound-absorbing part 12 may be provided with a frame at the meeting surface with the sound-insulating part 11, and the frame is provided with a matching surface for matching with the buffer layer on the sound-insulating part 11, so as to realize the tight fit between the sound-absorbing part 12 and the sound-insulating part 11; alternatively, the frame may be provided on the buffer layer on the upper side of the sound-deadening portion 11 and fastened to the edge of the sound-absorbing portion 12, or both ends of the frame may be fastened to the inner surfaces of the first and

second baffles

132 and 133, respectively.

The bottom of tie-beam 131 is equipped with butt joint groove 135, the length of butt joint groove 135 is unanimous with the length of tie-beam 131, the top surface of sound absorption part 12 is equipped with first buffering strip 16, the length of first buffering strip 16 is unanimous with the length of sound absorption part 12, the bisector of first buffering strip 16 and the bisector of butt joint groove 135 are on a perpendicular plane, butt joint groove 135 and the width looks adaptation of first buffering strip 16, when two adjacent sound barriers dock in the direction of height, butt joint groove 135 on one of them sound barrier is used for cooperating with first buffering strip 16 on the another sound barrier, form negative and positive interlocking structure, play the shock attenuation between the upper and lower modularization sound barrier, and the dual function that the sound wave in gap blockked between the modularization sound barrier.

The both sides of the length direction of sound barrier are equipped with mounting groove 15 along vertical direction respectively, and the outside that also is first baffle 132 and second baffle 133 all is equipped with a mounting groove 15 in vertical direction, and mounting groove 15 is for example U type groove, and the diapire accessible rivet in U type groove, buckle, screw, the mode of mechanical pressfitting fasten with corresponding baffle. As shown in fig. 1, the second buffer strips 151 are disposed on two outer sides of the mounting groove 15, and in practical implementation, the buffer layers can be preset on the surface of the aluminum strip, and then the aluminum strip is fastened to the outer sides of the mounting groove 15, so that the second buffer strips 151 are formed on two outer sides of the mounting groove 15. Second buffering strip 151 is used for when assembling a plurality of sound barriers, with the installation stand contact, realizes the close fit between mounting groove 15 and the installation stand, can play sound wave separation and shock attenuation effect simultaneously.

Alternatively, when the length of the sound barrier exceeds 1m, support bars may be provided between the sound-absorbing part 12 and the connection beams 131 of the protection frame 13, and the interval between the support bars is preferably 1m to 2m, thereby performing a structural reinforcement function. The length of the sound barrier is preferably within 6m in view of the workability of installing the crane.

The sound barrier of the present embodiment includes a sound insulation section and a sound absorption section, the sound insulation section and the sound absorption section are disposed at a predetermined angle therebetween, and the sound absorption section is located in a sound wave reflection direction of the sound insulation section, and the predetermined angle is smaller than 90 °, and preferably 30 to 60 °. Because the angle is predetermine between the syllable-dividing part of sound barrier and the sound absorption part, can carry out the multidimension dissipation to the noise, the noise reduction effect is good to can compromise simultaneously and fall the noise and daylighting, build good driving environment.

Second embodiment

Fig. 8 is one of the schematic structural views of the sound barrier assembly structure according to the second embodiment; fig. 9 is a second schematic structural view of the sound barrier assembly structure according to the second embodiment; fig. 10 is a third schematic structural view of the sound barrier assembly structure according to the second embodiment. Referring to fig. 8 to 10, the sound barrier assembly structure of the present embodiment includes a first mounting pillar 21, a second mounting pillar 22, and at least two sound barriers 10 as described in the first embodiment, two ends of the sound barrier 10 are respectively mounted on the first mounting pillar 21 and the second mounting pillar 22, and the at least two sound barriers 10 are sequentially stacked in the height direction between the first mounting pillar 21 and the second mounting pillar 22.

In each sound barrier 10, the sound insulation part 11 and the sound absorption part 12 are arranged at a preset angle, the sound absorption part 12 is positioned in the sound wave reflection direction of the sound insulation part 11, the preset angle is smaller than 90 degrees, preferably 30-60 degrees, after a plurality of sound barriers 10 are sequentially stacked in the height direction, a large-size barrier can be formed, the number of the sound barriers 10 can be selected according to the required height of the barrier, and the sound barriers 10 are easy to process, transport and assemble. Meanwhile, the design of each sound barrier 10 can achieve the best sound insulation, absorption and lighting effects, and the effectiveness of the overall structure effect can be still ensured after the assembly is completed.

In each sound barrier 10, the lower part of the connecting beam 131 of the protective frame 13 is provided with a butt joint groove, the top of the sound absorption part 12 is provided with a first buffer strip 16, the bisector of the first buffer strip 16 and the bisector of the butt joint groove are on a vertical plane, the length of the butt joint groove is consistent with the length of the first buffer strip 16, and the butt joint groove is matched with the width of the first buffer strip 16. When two adjacent sound barriers 10 are butted in the height direction, the butt-joint groove at the lower part of the upper sound barrier 10 is matched with the first buffer strip 16 at the upper part of the lower sound barrier 10 to form a male-female interlocking structure, so that the double functions of shock absorption between the upper and lower modularized sound barriers 10 and sound wave blocking of the gap between the modularized sound barriers 10 are achieved.

The bottom of first installation stand 21, second installation stand 22 is equipped with the through-hole for reserve the bolt with the road bed and fasten, set up the interval of adaptation and install the installation of stand, preferred equidistance interval accomplishes the construction of stand frame.

Referring to fig. 11, two sides of each sound barrier 10 in the length direction are respectively provided with a mounting groove 15 along the vertical direction, two outer sides of the mounting groove 15 are respectively provided with a second buffer strip 151, the first mounting upright post 21 and the second mounting upright post 22 are provided with a mounting chute 221 along the height direction, openings of the mounting chutes 221 of the first mounting upright post 21 and the second mounting upright post 22 are opposite, the mounting groove 15 is clamped into the mounting chute 221 of the corresponding mounting upright post and is in contact with the inner surface of the side wall of the corresponding mounting chute 221 through the second buffer strip 151, so that the mounting groove 15 is tightly matched with the first mounting upright post 21 and the second mounting upright post 22, and the sound barrier 10 is conveniently assembled.

Third embodiment

Fig. 12 is a flowchart illustrating a method of manufacturing a sound barrier according to a third embodiment. As shown in fig. 12, the method for manufacturing a sound barrier of the present embodiment includes:

step 301, providing a sound absorption part and a sound insulation part;

and 302, assembling the sound insulation part and the sound absorption part according to a preset angle, so that the sound absorption part is positioned in the sound wave reflection direction of the sound insulation part, and the preset angle is smaller than 90 degrees.

In step 301, providing the sound insulating portion comprises:

preparing a monomer mixture for preparing the sound insulation part according to a proportion, wherein the monomer mixture contains organic acid and is formed into a prepolymer;

adding an initiator and a functional assistant into the prepolymer, uniformly mixing and defoaming, and pouring into a mold, wherein a reinforcing rib integrally formed in the sound insulation part is preset in a cavity of the mold;

carrying out post-polymerization on the prepolymer; and the number of the first and second groups,

and demolding to obtain the sound insulation part.

Preferably, the sound insulation part is polymethyl methacrylate, the reinforcing rib is one of steel wires, carbon fibers, nylon, terylene, polyether ether ketone, aramid fibers and polyimide, preferably nylon or aramid fibers, and the adding proportion of the organic acid is less than or equal to 2% by weight.

Specifically, taking an example that a sound insulation part is an organic glass reinforcement screen body, the manufacturing process mainly comprises three stages of prepolymerization, pouring and post-polymerization, wherein the prepolymerization adopts a classical free radical polymerization process taking methyl methacrylate as a monomer, the formula contains 0-2% by weight of organic acid, the temperature is gradually increased to 110 ℃ from room temperature, the temperature is kept for 20-30min, and the temperature is gradually decreased to room temperature, so that the preparation of the prepolymer is completed. Then, 0.01-0.1 percent of initiator and functional auxiliary agent by weight percent are added into the prepolymer before pouring, and after uniform mixing and defoaming treatment, the mixture is poured into a mould to complete the pouring process. And then, post-polymerizing the prepolymer, wherein the post-polymerizing process is carried out by water bath at 50-60 ℃ for 2-6h, processing at 100-130 ℃ for 1-3h, and naturally cooling to room temperature.

The type and the adding proportion of the functional additives are determined according to the functional requirements of the organic glass, when the flame-retardant organic glass is prepared, the functional additives are called flame retardants, specifically one or more of phosphorus and silicon element-containing compounds and unsaturated monomers thereof, and the adding proportion is 10-30% by weight; when preparing the heat-resistant organic glass, the functional additive is called as a heat-resistant modifier, and specifically comprises aromatic heterocyclic monomer, polar group-containing monomer andone or more crosslinking monomers with the addition proportion of 5-30 percent by weight; when the high-hardness organic glass is prepared, the functional auxiliary agent is called as an inorganic filler, specifically, the inorganic nano filler is modified by a silane coupling agent or a titanate coupling agent, so that the methacrylic acid-philic or polymethacrylic acid-philic characteristic of the inorganic nano particles is realized, the homogeneous dispersion of the inorganic nano particles is facilitated, the coupling agent is preferably methacryloxypropyltrimethoxysilane, methacryloxypropyltriethoxysilane or methacryloxypropyltrichlorosilane, and the inorganic nano filler is preferably SiO₂、TiO₂、ZnO₂、ZrO₂And one or more of AlN nano-particles with the addition proportion of 1-20 percent by weight. When the anti-radiation organic glass is prepared, the functional auxiliary agent is called as an anti-radiation functional agent, and is specifically one or more of a lead element-containing compound and an unsaturated monomer thereof, and the addition proportion is 20-40% by weight. The addition stage of the functional assistant can be directly added into the monomer, or can be added after prepolymerization, and preferably is added after prepolymerization.

The organic acid comprises one of malic acid, ascorbic acid, tartaric acid, citric acid, formic acid and acetic acid. The organic acid has the effects of acidifying and swelling the surface of the rib to form local micro-channels, facilitating the methyl methacrylate to be distributed among the micro-channels, forming a macromolecular chain in a polymerization stage, realizing serial anchoring among a large number of micro-channels on the surface of the rib, forming molecular-level fusion of a rib-organic glass interface and greatly improving the mechanical strength of interface combination.

The initiator comprises one of benzoyl peroxide, dicyclohexyl peroxydicarbonate, azobisisobutyronitrile and azobisisoheptonitrile, wherein the initiator in the prepolymerization stage is one of benzoyl peroxide or azobisisobutyronitrile, and the initiator supplemented after prepolymerization is one of dicyclohexyl peroxydicarbonate and azobisisoheptonitrile.

The mould comprises two equal area toughened glass, soft polymer adhesive tape and fastening tool to lock, and soft polymer adhesive tape presss from both sides and establishes between the toughened glass, fixes through fastening tool to lock between the toughened glass to form the die cavity. The thickness of the die cavity is controlled by the diameter of the rubber strips, the ribs penetrate through the alignment equidistant through holes arranged on the parallel side edges between the rubber strips and are accommodated in the die cavity of the die in parallel arrangement, the diameter of the ribs is preferably 1-10mm, the equidistant range is preferably 5-20cm, and the thickness of the rubber strips is larger than the diameter of the used ribs. After the prepolymer is poured, the prepolymer can coat the ribs, and after the prepolymer is polymerized, an integrated structure is formed, so that the organic glass reinforced screen body is obtained.

The sound absorption part comprises a porous metal plate, a sound absorption material layer and a protective cover, the sound absorption material layer is located between the porous metal plate and the protective cover, the porous metal plate is located on one side, facing the sound insulation part, of the sound absorption material layer, the porous metal plate and the protective cover are fastened with each other, and the sound absorption part can be selectively connected with or not connected with the sound absorption material layer in the fastening process. The sound absorption material layer is one of foam glass, foam metal, inorganic fiber, organic fiber and foam plastic, and the foam glass and the foam metal with better aging resistance and durability are preferably selected.

The assembly process between the sound absorbing portion and the sound insulating portion is described in detail in relation to the first embodiment, and will not be described again.

In the method for manufacturing the sound barrier of the embodiment, the monomer mixture of the sound insulation part is prepared according to the proportion, the monomer mixture contains organic acid, and the monomer mixture forms prepolymer; adding an initiator and a functional assistant into the prepolymer, uniformly mixing and defoaming, and pouring into a mold, wherein a reinforcing rib is arranged in the mold; post-polymerization and demolding to obtain sound insulating part, and the prepared sound barrier has high mechanical strength.

The above embodiments are merely illustrative of the principles and utilities of the present application and are not intended to limit the application. Any person skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.

Claims

1. The utility model provides a sound barrier, its characterized in that includes the sound-proof part and inhales the sound part, the sound-proof part with it predetermines the angle setting to inhale to be between the sound part, just it is located to inhale the sound part on the sound wave reflection direction of sound-proof part, it is less than 90 to predetermine the angle.

2. The sound barrier of claim 1, wherein said sound absorbing section is horizontally disposed and located above said sound insulating section.

3. The sound barrier according to claim 1 or 2, further comprising a protection frame, wherein the protection frame comprises a connection beam and baffles positioned at both ends of the connection beam, both sides in the longitudinal direction of the sound-absorbing part are respectively fixed to the corresponding baffles, one side in the width direction of the sound-absorbing part is in contact with the connection beam, both sides in the longitudinal direction of the sound-absorbing part are respectively fixed to the corresponding baffles, and one side in the width direction of the sound-absorbing part is in contact with the other side in the width direction of the sound-absorbing part.

4. The sound barrier of claim 3, wherein said sound insulating portion is four-side wrapped with a cushioning layer.

5. The sound barrier according to claim 3, wherein the bottom of said connecting beam is provided with a butt-joint groove, the top surface of said sound-absorbing part is provided with a first buffer strip, said butt-joint groove is adapted to the size of said first buffer strip, and when two adjacent sound barriers are butt-jointed in the height direction, said butt-joint groove on one sound barrier is used for matching with said first buffer strip on the other sound barrier.

6. The sound barrier according to claim 1 or 2, characterized in that the sound barrier is provided with mounting grooves along the vertical direction on both sides in the length direction, and second buffer strips are provided on both outer sides of the mounting grooves.

7. The sound barrier according to claim 1 or 2, characterized in that said sound-absorbing part comprises a perforated metal sheet, a sound-absorbing material layer and a protective cover, said sound-absorbing material layer being located between said perforated metal sheet and said protective cover, said perforated metal sheet being located on the side of said sound-absorbing material layer facing said sound-insulating part, said perforated metal sheet and said protective cover being fastened to each other.

8. The sound barrier of claim 1, wherein said sound insulating portion has reinforcing ribs formed therein, said reinforcing ribs being arranged in parallel at equal distances, the arrangement distance ranging from 5 to 20 cm.

9. A sound barrier assembly structure, comprising two mounting posts and at least two sound barriers according to any one of claims 1 to 8, wherein both ends of the sound barrier are respectively mounted on one of the mounting posts, and the at least two sound barriers are sequentially stacked in a height direction between the two mounting posts.

10. The sound barrier assembly structure according to claim 9, wherein two sides of the sound barrier in the length direction are respectively provided with a mounting groove in the vertical direction, two outer sides of the mounting groove are respectively provided with a second buffer strip, the mounting upright is provided with a mounting chute in the height direction, the openings of the mounting chutes of the two mounting uprights are opposite, and the mounting groove is clamped into the mounting chute of the corresponding mounting upright and is in contact with the inner surface of the side wall of the corresponding mounting chute through the second buffer strip.