CN203625794U

CN203625794U - Highway sound barrier sound absorption board

Info

Publication number: CN203625794U
Application number: CN201320868374.6U
Authority: CN
Inventors: 郭志华; 靳豪杰; 储建辉; 游红臣
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-12-18
Filing date: 2013-12-18
Publication date: 2014-06-04
Anticipated expiration: 2023-12-18

Abstract

The utility model relates to a highway sound barrier sound absorption board. The highway sound barrier acoustic board comprises a metal sound absorption outer board arranged at the front end, a sound-insulation back board arranged at the rear end and a sound attenuation layer arranged between the metal sound absorption outer board and the sound-insulation back board; the upper end face and the lower end face of the metal sound absorption outer board, the upper end face and the lower end face of the sound attenuation layer and the upper end face and the lower end face of the sound-insulation back board are respectively provided with a fixing cover plate. A front cavity is formed between the metal sound absorption outer board and the sound attenuation layer. A rear cavity is formed between the sound attenuation layer and the sound-insulation back board. A row of sound-absorption stand columns are arranged in the rear cavity. According to the highway sound barrier sound absorption board, the metal sound absorption outer board, the sound attenuation layer and the sound-absorption stand columns are arranged, so that a three-layer sound absorption and sound attenuation function is realized from outside to inside, the technical characteristics of high noise absorption capacity and a good sound insulation effect are achieved, influences on nearby residents are reduced, materials are convenient to collect, and the manufacturing cost is low; meanwhile, the metal sound absorption outer board is designed in the shape of a wedge which protrudes towards the outer side of the metal sound absorption outer board, the rear end of the fixing cover plate on the upper end face of the metal sound absorption outer board is provided with a triangular extension edge, as a result, the function of preventing water from entering and leaking out of the highway sound barrier sound absorption board is achieved, and the service life of the highway sound barrier sound absorption board is long.

Description

A kind of sound-absorbing barrier for highway

Technical field

The utility model relates to highway communication noise-proofing facility technology field, relates in particular to a kind of sound-absorbing barrier for highway.

Background technology

Along with the high speed development of communication, traffic noise becomes increasingly conspicuous to the pollution of environment, particularly speedway, height add on road, the speed of a motor vehicle is fast, vehicle flowrate is large, its noise life, the work of the resident's working unit personnel to periphery makes a big impact, sound barrier is also becoming one of important measures of controlling road traffic noise simultaneously, but the special sound absorption material that manufacture sound barrier is selected does not almost have, more, not carrying out the design of acoustics, mechanics, practical aspect according to the concrete condition of highway traffic noise, the soundproof effect of barrier is poor and cost is too high.

Utility model content

The purpose of this utility model is in order to overcome the deficiencies in the prior art, and a kind of sound-absorbing barrier for highway is provided, and can absorb road vehicle noise, and soundproof effect is good, has reduced the impact on periphery resident, and cost is low.

The utility model is achieved through the following technical solutions: a kind of sound-absorbing barrier for highway, comprise leading section metal sound absorption outside plate, rearward end sound insulation backboard and be arranged on the noise reduction layer between metal sound absorption outside plate and sound insulation backboard, the upper and lower end face of described metal sound absorption outside plate, noise reduction layer, sound insulation backboard is provided with securing cover plate, between described metal sound absorption outside plate and noise reduction layer, form front cavity, between described noise reduction layer and sound insulation backboard, form rear cavity, in described rear cavity, be provided with the row column that absorbs sound.

Further, described metal sound absorption outside plate is the clapboard to plate outer lug.

Further, described noise reduction layer by the connection backboard of the film of front end face, rear end face, connect film and connect backboard several dividing plates, be filled in the deadener I in cavity between dividing plate and form, wherein said connection backboard is provided with the through hole of distributed rectangular, and described deadener I is glass wool.

Further, the securing cover plate of described metal sound absorption outside plate, noise reduction layer, sound insulation backboard lower surface is provided with base, and the securing cover plate rearward end of upper surface is provided with triangle and prolongs limit.

Further, described sound absorption column upper and lower end face and securing cover plate are connected and fixed, and described sound absorption column is made up of with the deadener II being filled in cylindrical shell cylindrical shell, and described deadener II is perlite.

Compared with prior art, the beneficial effects of the utility model are: the utility model is by arranging the wedge metal sound absorption outside plate to plate outside projection, one row's sound absorption column at middle noise reduction layer and rear portion, wherein in noise reduction layer, be filled with the deadener I of glass wool, in sound absorption column, be filled with perlitic deadener II, make sound-absorbing barrier for highway there are from outside to inside three layers of sound absorption noise reduction processing capacity, there is the noise of absorption strong, the technical characterictic that soundproof effect is good, reduce the impact on periphery resident, draw materials conveniently, low cost of manufacture, be designed to the wedge shape of plate outside projection by outside plate that metal is absorbed sound simultaneously, and at metal sound absorption outside plate, noise reduction layer, sound insulation backboard upper surface securing cover plate rearward end arranges triangle and prolongs limit, sound-absorbing barrier for highway there is prevent the function of leaking into water, long service life.

Accompanying drawing explanation

Fig. 1 is the lateral view of a kind of sound-absorbing barrier for highway of the utility model;

Fig. 2 is the lateral view of the utility model noise reduction layer;

Fig. 3 is the front view that the utility model connects backboard;

Fig. 4 is the utility model sound absorption column sectional drawing.

Wherein: 1, metal sound absorption outside plate; 2, noise reduction layer; 3, sound absorption column; 4, sound insulation backboard; 5, securing cover plate; 6, base; 7, triangle prolongs limit; 8, front cavity; 9, rear cavity; 10, film; 11, dividing plate; 12, deadener I; 13, connect backboard; 14, through hole; 15, cylindrical shell; 16, deadener II.

The specific embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.

As Figure 1-4, the utility model relates to a kind of sound-absorbing barrier for highway, comprise the metal sound absorption outside plate 1 of leading section, the sound insulation backboard 4 of rearward end and be arranged on the noise reduction layer 2 between metal sound absorption outside plate 1 and sound insulation backboard 4, described metal sound absorption outside plate 1, noise reduction layer 2, the upper and lower end face of sound insulation backboard 4 is provided with securing cover plate 5, between described metal sound absorption outside plate 1 and noise reduction layer 2, form front cavity 8, between described noise reduction layer 2 and sound insulation backboard 4, form rear cavity 9, in described rear cavity 9, be provided with the row column 3 that absorbs sound, described metal sound absorption outside plate 1 is the clapboard to plate outer lug, described noise reduction layer 2 is by the film 10 of front end face, the connection backboard 13 of rear end face, connect film 10 and several dividing plates 11 that are connected backboard 13, be filled in the composition of the deadener I12 in cavity between dividing plate 11, wherein said connection backboard 13 is provided with the through hole 14 of distributed rectangular, described deadener I12 is glass wool, described metal sound absorption outside plate 1, noise reduction layer 2, the securing cover plate 5 of sound insulation backboard 4 lower surfaces is provided with base 6, securing cover plate 5 rearward end of upper surface are provided with triangle and prolong limit 7, described sound absorption column 3 upper and lower end faces and securing cover plate 5 are connected and fixed, described sound absorption column 3 is made up of with the deadener II16 being filled in cylindrical shell 15 cylindrical shell 15, described deadener II16 is perlite.

In sum, the utility model is by arranging the wedge metal sound absorption outside plate 1 to plate outside projection, one row's sound absorption column 3 at middle noise reduction layer 2 and rear portion, wherein in noise reduction layer 2, be filled with the deadener I12 of glass wool, in sound absorption column 3, be filled with perlitic deadener II16, make sound-absorbing barrier for highway there are from outside to inside three layers of sound absorption noise reduction processing capacity, there is the noise of absorption strong, the technical characterictic that soundproof effect is good, reduce the impact on periphery resident, draw materials conveniently, low cost of manufacture, be designed to the wedge shape of plate outside projection by outside plate 1 that metal is absorbed sound simultaneously, and at metal sound absorption outside plate 1, noise reduction layer 2, sound insulation backboard 4 upper surface securing cover plate 5 rearward end arrange triangle and prolong limit 7, sound-absorbing barrier for highway there is prevent the function of leaking into water, long service life.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. a sound-absorbing barrier for highway, comprise the metal sound absorption outside plate (1) of leading section, the sound insulation backboard (4) of rearward end and be arranged on the noise reduction layer (2) between metal sound absorption outside plate (1) and sound insulation backboard (4), it is characterized in that, described metal sound absorption outside plate (1), noise reduction layer (2), the upper and lower end face of sound insulation backboard (4) is provided with securing cover plate (5), between described metal sound absorption outside plate (1) and noise reduction layer (2), form front cavity (8), between described noise reduction layer (2) and sound insulation backboard (4), form rear cavity (9), in described rear cavity (9), be provided with the row column (3) that absorbs sound.

2. a kind of sound-absorbing barrier for highway according to claim 1, is characterized in that, described metal sound absorption outside plate (1) is the clapboard to plate outer lug.

3. a kind of sound-absorbing barrier for highway according to claim 1, it is characterized in that, described noise reduction layer (2) by the connection backboard (13) of the film (10) of front end face, rear end face, connect film (10) and connection backboard (13) several dividing plates (11), be filled in the deadener I (12) in cavity between dividing plate (11) and form, wherein said connection backboard (13) is provided with the through hole (14) of distributed rectangular, and described deadener I (12) is glass wool.

4. a kind of sound-absorbing barrier for highway according to claim 1, it is characterized in that, the securing cover plate (5) of described metal sound absorption outside plate (1), noise reduction layer (2), sound insulation backboard (4) lower surface is provided with base (6), and securing cover plate (5) rearward end of upper surface is provided with triangle and prolongs limit (7).

5. a kind of sound-absorbing barrier for highway according to claim 1, it is characterized in that, described sound absorption column (3) upper and lower end face and securing cover plate (5) are connected and fixed, described sound absorption column (3) is made up of cylindrical shell (15) and the deadener II (16) that is filled in cylindrical shell (15), and described deadener II (16) is perlite.