CN107881933A - A kind of combined sound barrier - Google Patents
A kind of combined sound barrier Download PDFInfo
- Publication number
- CN107881933A CN107881933A CN201711106777.6A CN201711106777A CN107881933A CN 107881933 A CN107881933 A CN 107881933A CN 201711106777 A CN201711106777 A CN 201711106777A CN 107881933 A CN107881933 A CN 107881933A
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- China
- Prior art keywords
- steel
- sound barrier
- bearing
- groove
- combined sound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0017—Plate-like elements
Abstract
The present invention relates to a kind of combined sound barrier, the bearing set including the activity of separatably face, some H profile steel columns and some connecting plates that are removably uprightly arranged on bearing, the two side ends of each H profile steel column have two opposite steel tanks of opening direction, and angle steel is respectively provided with two opposite steel tanks of each opening direction；The angle steel is arranged in pairs in two opposite steel tanks of the opening direction；The lateral surface of any right-angle side of the angle steel is connected with the steel tank bottom surface of the H profile steel column；The lateral surface relative steel tank internal face parallel with the lateral surface of another right-angle side of the angle steel and part steel tank bottom surface form interior steel splitting groove；The connecting plate is removably sealingly mounted in relative two steel tanks between two H profile steel columns between steel splitting groove；Combined sound barrier provided by the invention has higher security, and reduce the probability of happening of traffic accident and other effects.
Description
Technical field
The invention belongs to sound insulation device technical field, more particularly to a kind of combined sound barrier.
Background technology
The H profile steel column of acoustic barrier of the prior art is exposed to be set in the outside of connecting plate, such acoustic barrier
In the both sides of road, because the setting distance of acoustic barrier is longer, and driver's long-duration driving automobile on such road, H
Shaped steel column and acoustic barrier alternately appear in the driver visual field, and it is tired that this quickly changing picture easily causes driver's vision
Labor, increases the probability of happening of traffic accident, in addition, the acoustic barrier for being arranged on turning blocked road bend road conditions or
It is traveling state of vehicle that person, which says, and therefore, easily in road bend traffic accident occurs for vehicle.
The content of the invention
(1) technical problems to be solved
For existing technical problem, the present invention provides a kind of combined sound barrier, solves sound in the prior art
The H profile steel column of barrier is exposed in the outside of connecting plate, easily causes driver's visual fatigue, and block and turn in road bend
Curved outer road conditions, the problems such as causing traffic accident.
(2) technical scheme
In order to achieve the above object, the main technical schemes that the present invention uses include：
A kind of combined sound barrier, including separatably face activity set bearing, be removably uprightly arranged on bearing
On some H profile steel columns and some connecting plates, the two side ends of each H profile steel column there are two opposite steel of opening direction
Groove, angle steel is respectively provided with two opposite steel tanks of each opening direction；
The angle steel is arranged in pairs in two opposite steel tanks of the opening direction；
The lateral surface of any right-angle side of the angle steel is connected with the steel tank bottom surface of the H profile steel column；
The lateral surface of another right-angle side of the angle steel steel tank internal face and part steel relative with the lateral surface
Groove bottom forms interior steel splitting groove；
The connecting plate be removably mounted on relative two steel tanks between two H profile steel columns interior steel splitting groove it
Between；
The both ends of the surface of the connecting plate have groove structure；
The outer wall side of the interior steel splitting groove is inserted in the groove of the groove structure, one of groove of the groove structure
Wall side is inserted in the groove of the interior steel splitting groove.
Preferably, the connecting plate includes web elements and/or sound insulation unit；
The web elements include unit frame and are arranged on the network structure of the unit inframe；
The sound insulation unit includes panel, framework and backboard, and the both sides of the framework connect panel and backboard respectively, described
Panel is sound insulationg board.
Preferably, the network structure includes wire netting；
Sound-absorbing material is filled with the framework.
Preferably, the sound-absorbing material includes at least one of cement, glass fibre.
Preferably, the side of the H profile steel column is fixedly connected with built-in fitting, and the built-in fitting is offered with cavity
First pre-buried channel flow, for fixing T-bolt, so that the support needed for functional apparatus is fixedly mounted.
Preferably, the bottom of the H profile steel column is welded with bottom plate, is offered at the top of the bearing T-shaped for fixing
Second pre-buried channel flow of bolt, the opening of second pre-buried channel flow and the top surface of bearing are flush, second pre-buried channel flow
Bottom be fixedly connected with I-shaped anchor pole, the bottom plate for being welded with H profile steel column and bearing are fixedly connected on using T-bolt
Together.
Preferably, the support is the support for installing sprinkling equipment, and/or, for installing the support of monitoring device,
And/or for installing the support of lighting apparatus, and/or, for installing the support of communication apparatus, and/or, for installing transmission ＆ distribution
The support of at least one of electric equipment, gas transmission equipmen, delivery equipment device.
Preferably, the connecting plate is common surrounding baffle or cell board or advertisement cabinet or LED display；
When selecting common surrounding baffle as connecting plate, female drawing nut is installed in the side of this connecting plate, is used for
Warning and/or the installed part of decoration and/or power supply function have been installed.
Preferably, the bearing is made using steel material or armored concrete material；When bearing is made using steel material,
The bottom plate welds with bearing.
Preferably, the bottom of the bearing is provided with forklift hole.
(3) beneficial effect
The beneficial effects of the invention are as follows：A kind of combined sound barrier provided by the invention, by changing the structure of connecting plate,
The connecting plate is wrapped H profile steel column, H profile steel column is not exposed to the outside of combined sound barrier, when the present invention carries
The both sides that the combined sound barrier of confession is arranged on road avoids driver and occurs visual fatigue etc. in prolonged driving procedure
Problem, in addition the connecting plate of combined sound barrier provided by the invention also add web elements structure, for being arranged on to road
On the combined sound barrier at turning, the traveling state of vehicle that combined sound barrier blocks turning is avoided, reduces turning
The probability that place gets into an accident.
Brief description of the drawings
Fig. 1 is a kind of structural representation of combined sound barrier of the present invention；
Fig. 2 is the structural representation for the connecting plate that a kind of combined sound barrier of the present invention is arranged on turning；
Fig. 3 is the attachment structure top view of H profile steel column of the present invention and bearing；
Fig. 4 is the attachment structure schematic diagram of connecting plate and H profile steel column in a kind of combined sound barrier of the present invention；
Fig. 5 is the structural side view that lighting apparatus is provided with after a kind of combined sound barrier of the present invention assembles；
Fig. 6 is a kind of structural representation of combined sound barrier bearing of the present invention；
Fig. 7 is a kind of structural representation of the sound insulation unit of combined sound barrier of the present invention.
【Description of reference numerals】
1：Bearing；
2：H profile steel column；201：Steel tank；
3：Connecting plate；301：Insulate against sound unit；3011：Panel；3012：Framework；3013：Backboard；302：Web elements；
3021：Unit frame；3022：Network structure；
4：Forklift hole；5：Angle steel；501：Interior steel splitting groove；6：Groove；7：Packing strip of paper used for sealing；8：Draw nut；9：First built-in groove
Road；10：T-bolt；11：Support 12：Bottom plate；13：Second pre-buried channel flow；14：T-bolt；15：Anchor pole；16：Installed part；17：
Lighting apparatus；18：Flange nut；19：Built-in fitting.
Embodiment
In order to preferably explain the present invention, in order to understand, below in conjunction with the accompanying drawings, by embodiment, to this hair
It is bright to be described in detail.
As shown in figure 1, the present embodiment provides a kind of combined sound barrier, the combined sound barrier includes bearing 1, some H
Shaped steel column 2 and some connecting plates 3 being removably mounted between H profile steel column 2.Wherein, the separatably face activity of bearing 1
Set, the bottom of bearing 1 is provided with forklift hole 4, is readily transported.H profile steel column 2 is removably uprightly arranged on bearing 1, and
Bearing 1 can be placed on ground, it is not necessary to which H profile steel column 2 directly contacts the soil body, therefore, effectively prevent H profile steel column 2
Bottom occur corrosion failure so that combined sound barrier maintains easily, extend service life.
Specifically, as shown in Figure 3 and Figure 4：Combined sound barrier described in the present embodiment, the two of each H profile steel column
Side has two opposite steel tanks 201 of opening direction, is respectively set in two opposite steel tanks 201 of each opening direction
It is equipped with angle steel 5.
The angle steel 5 is arranged in pairs in two opposite steel tanks 201 of the opening direction.
The lateral surface of any right-angle side of the angle steel 5 is connected with the bottom surface of steel tank 201 of the H profile steel column 2.
The lateral surface relative internal face of the steel tank 201 parallel with the lateral surface of another right-angle side of the angle steel 5
Interior steel splitting groove 501 is formed with the bottom surface of part steel tank 201.
The connecting plate 3 is removably sealingly mounted at the interior steel splitting of relative two steel tanks between two H profile steel columns 2
Between groove 501.
The both ends of the surface of the connecting plate 3 have the structure of groove 6.
The outer wall side of the interior steel splitting groove 501 is inserted in the groove of the structure of groove 6, and wherein the one of the structure of groove 6
The individual wall side of groove 6 is inserted in the groove of the interior steel splitting groove 501.
Angle steel 5 described in the present embodiment is removably connected with the H profile steel column 2.
In this way, the present embodiment provide combined sound barrier can according to different job site situations come assemble to be formed it is suitable
Various forms of combined sound barrier structures of each job site, with existing brick setting sound barrier, concrete acoustical barrier and steel
Any of plate sound barrier compares, not only ease of assembly, time saving and energy saving, and assembles flexibly, practical, additionally it is possible to weight
It is multiple to use, it is safe.Further, due between bearing 1 and H profile steel column 2, and H profile steel column 2 and connecting plate 3 it
Between be detachable connection mode, therefore, be readily transported, mount and dismount.
Connecting plate 3 is closely connected by the way of plugging and by packing strip of paper used for sealing 7 with the interior steel splitting groove 501, is avoided
Gap be present between the inwall of connecting plate 3 and the interior steel splitting groove 501, make connecting plate 3 (such as wind-force, people under external force
For active force) easily shaking causes badly damaged, while reduce potential safety hazard.
Stood in addition, H profile steel column described in the present embodiment 2 and the attachment structure of the connecting plate 3 avoid the H profile steel
Post 2 is directly exposed to the outside of connecting plate 3, therefore, travels the automobile department on the road of the combined sound barrier is provided with
Machine will not produce visual fatigue because of the H profile steel column 2, and then reduce the probability that traffic accident occurs.
As shown in Figure 2 and Figure 7, the connecting plate 3 described in the present embodiment includes web elements 302 and/or sound insulation unit
301；
The web elements 302 include unit frame 3021 and the network structure 3022 being arranged in the unit frame 3021.
In detail, the network structure 3022 described in the present embodiment includes wire netting；
It should be noted that：Combined sound barrier described in the present embodiment is to be not provided with the both sides of non-turn place's road
Web elements 302, i.e., only include sound insulation unit 301 in the connecting plate 3 of combined sound barrier described in the both sides of non-turn place's road；
And the combined sound barrier in turning road both sides sets web elements 302 or web elements 302 and sound insulation unit 301.
When the web elements 302 with it is described sound insulation unit 301 simultaneously in the presence of, the web elements 302 are arranged on institute
State the top of sound insulation unit 301, the height sum of the height of the web elements 302 and the sound insulation unit 301 is equal to described
Connecting plate 3 removes the height of bearing 1.
Combined sound barrier described in the present embodiment avoids institute by setting web elements 302 in road bend
State combined sound barrier obstruct the road turning another side road conditions, improve the security of road driving, reduce and hand over
The probability of interpreter's event.
The sound insulation unit 301 includes panel 3011, framework 3012 and backboard 3013, and the both sides of framework 3012 connect respectively
Panel 3011 and backboard 3013, panel 3011 are sound insulationg board, and multiple sound-absorption holes are provided with sound insulationg board, play sound absorption and insulation work
With so as to reduce the noise of construction ground.In this way, the combined sound barrier of the present invention is that is, a noise barrier structure.
Further, in order to further reduce noise caused by construction ground, sound-absorbing material is filled with framework 3012, is absorbed sound
Material includes at least one of cement, glass fibre.Such as sound-absorbing material can select cement and its product (cement mortar,
Foam cement), glass fibre and its product.Wherein, there is sound insulation, heat-insulated, structural strength is high as sound-absorbing material using cement
And the advantages that corrosion-resistant.Using glass fibre as sound-absorbing material, intense noise caused by construction ground can not only be effectively absorbed,
Acoustically effective is good, and has the advantages that insulating properties is strong, tensile strength is high, heat resistance is strong, corrosion resistance is strong, high mechanical strength.
Cement or glass fibre are filled into framework by way of injection molding.
Connecting plate 3 described in the present embodiment is common enclosing or cell board or advertisement cabinet or LED display.Connecting plate 3
It not limited to this, can be the decorative panel of fresco board, drawing pad etc., can also be the functional panels such as solar panels.When selection is common
When acoustic screen baffle is as connecting plate 3, the side of this connecting plate 3 is provided with the female drawing nut 8 of tool, using drawing nut 8
It can install for having installed warning and/or the installed part 16 of decoration and/or power supply function, such as warning sign, decoration painting, advertisement
Board, solar power system etc., solar power system include the parts such as solar battery group, controller for solar, battery,
Certainly, the not limited to this of installed part 16 herein.
As shown in Figure 5 and Figure 6, the side of the H profile steel column 2 described in the present embodiment is fixedly connected with built-in fitting 19, Gu
It can be riveting to determine connected mode, can also be welding.The shape of built-in fitting 19 is unlimited, and built-in fitting 19 is offered with cavity
First pre-buried channel flow 9, the first pre-buried channel flow 9 can be used to that T-bolt 10 is fixedly mounted.First pre-buried channel flow 9 has an opening, and first
It is spacing that pre-buried channel flow 9 forms bolt head progress of the two side of opening to T-bolt 10.By being embedded in the first pre-buried channel flow 9
T-bolt 10 in cavity carrys out mounting bracket 11.The support 11 then can be used to install required functional apparatus, such as spray
Equipment, monitoring device, lighting apparatus 17, communication apparatus, equipment for power transmission and distribution, gas transmission equipmen, delivery equipment etc., convenient construction personnel
Constructed, make acoustic barrier that there is diversified function, function integration degree is high, also improves outward appearance to a certain extent
Aesthetic property.
Based on above-mentioned, support 11 is the support for installing sprinkling equipment, and/or, for installing the support of monitoring device,
And/or for installing the support of lighting apparatus, and/or, for installing the support of communication apparatus, and/or, for installing transmission ＆ distribution
The support of at least one of electric equipment, gas transmission equipmen, delivery equipment device.According to needed for construction, corresponding feature is installed
Equipment, convenient construction personnel construction, carried when combined sound barrier as sound barrier in use, provide life convenient for people
High quality of life.
The bottom of H profile steel column 2 described in the present embodiment and the top of a bottom plate 12 are welded, and the top of bearing 1 opens up
There is the second pre-buried channel flow 13, the second pre-buried channel flow 13 is used for fixing T-bolt 14.The structure of second pre-buried channel flow 13 with it is above-mentioned
The structure of first pre-buried channel flow 9 is essentially identical, and sets a built-in fitting, and it is pre- to offer second with cavity on the built-in fitting
Conduit 13 is buried, it is spacing that the second pre-buried channel flow 13 forms bolt head progress of the two side of opening to T-bolt 14.Second built-in groove
The opening in road 13 and the top surface of bearing 1 are flush.The bottom of second pre-buried channel flow 13 is fixedly connected with I-shaped anchor pole 15, is improved
The bulk strength of bearing 1, enhances bearing 1 to H profile steel column 2 and the bearing capacity of connecting plate 3.When bearing 1 is mixed using reinforcing bar
When solidifying native material makes, the bottom plate 12 for being welded with H profile steel column 2 and bearing 1 can be fixedly connected on by using T-bolt 14
Together, i.e. T-bolt 14 can be formed with H profile steel column 2 and connected.Certainly, T-bolt 14 also can mounting flange nut 18 carry out
Lifting.
Reinforcement structure 20, such as reinforcement are provided between bottom plate 12 and H profile steel column 2, it is strong for strengthening attachment structure
Degree, improves integrally-built stability.When bearing 1 is made using steel material, according to installation needs, the bottom of bottom plate 12 can be with
Bearing 1 is welded, and further improves mounting structure intensity.
In summary, combined sound barrier of the invention assembling is flexible, transport, convenient disassembly, service life length, function collection
It is high into degree is changed, facilitate subsequent installation various functions equipment, can also lift cosmetic look.
The technical principle of the present invention is described above in association with specific embodiment, these descriptions are intended merely to explain the present invention's
Principle, it is impossible to be construed to limiting the scope of the invention in any way.Based on explaining herein, those skilled in the art
Would not require any inventive effort can associate other embodiments of the present invention, and these modes fall within this hair
Within bright protection domain.
Claims (10)
1. a kind of combined sound barrier, including bearing that separatably face activity is set, removably uprightly it is arranged on bearing (1)
On some H profile steel columns (2) and some connecting plates (3), the two side ends of each H profile steel column (2) have opening direction opposite
Two steel tanks (201), it is characterised in that
Angle steel (5) is respectively provided with two opposite steel tanks (201) of each opening direction；
The angle steel (5) is arranged in pairs in two opposite steel tanks (201) of the opening direction；
The lateral surface of any right-angle side of the angle steel (5) is connected with steel tank (201) bottom surface of the H profile steel column (2)；
The lateral surface of another right-angle side of the angle steel (5) steel tank (201) internal face relative with the lateral surface and portion
Steel splitting groove (201) bottom surface forms interior steel splitting groove (501)；
The connecting plate (3) is removably mounted on interior point of relative two steel tanks (201) between two H profile steel columns (2)
Between steel tank (501)；
The both ends of the surface of the connecting plate (3) have groove (6) structure；
The outer wall side of the interior steel splitting groove (501) is inserted in the groove of groove (6) structure, and groove (6) structure is wherein
One groove walls side is inserted in the groove of the interior steel splitting groove (501).
2. combined sound barrier as claimed in claim 1, it is characterised in that the connecting plate (3) includes web elements (302)
And/or sound insulation unit (301)；
The web elements (302) include unit frame (3021) and the network structure being arranged in the unit frame (3021)
(3022)；
The sound insulation unit (301) includes panel (3011), framework (3012) and backboard (3013), and the two of the framework (3012)
Side connects panel (3011) and backboard (3013) respectively, and the panel (3011) is sound insulationg board.
3. combined sound barrier as claimed in claim 2, it is characterised in that：The network structure (3022) includes wire netting；
Sound-absorbing material is filled with the framework (3012).
4. combined sound barrier as claimed in claim 3, it is characterised in that：The sound-absorbing material includes cement, glass fibre
At least one of.
5. combined sound barrier as claimed in claim 1, it is characterised in that the side of the H profile steel column (2) is fixedly connected
There is built-in fitting (19), the built-in fitting (19) offers the first pre-buried channel flow (9) with cavity, for fixing T-bolt
(10), so that the support (11) needed for functional apparatus is fixedly mounted.
6. the combined sound barrier as described in claim 1 to 5 is any, it is characterised in that：The bottom of the H profile steel column (2)
Welded with bottom plate (12), the second pre-buried channel flow (13) for fixing T-bolt (14) offered at the top of the bearing (1),
The opening and the top surface of bearing (1) of second pre-buried channel flow (13) are flush, the bottom of second pre-buried channel flow (13) with
I-shaped anchor pole (15) is fixedly connected, and the bottom plate (12) and bearing (1) of H profile steel column (2) will be welded with using T-bolt (14)
It is fixed together.
7. combined sound barrier as claimed in claim 1, it is characterised in that：The support (11) is for installing sprinkling equipment
Support, and/or, for installing the support of monitoring device, and/or, for installing the support of lighting apparatus, and/or, for pacifying
The support of communication apparatus is filled, and/or, for installing at least one of equipment for power transmission and distribution, gas transmission equipmen, delivery equipment device
Support.
8. combined sound barrier as claimed in claim 1, it is characterised in that：The connecting plate (3) is common surrounding baffle or list
First plate or advertisement cabinet or LED display；
When selecting common surrounding baffle as connecting plate (3), the female drawing nut (8) of side installation of this connecting plate (3),
For having installed warning and/or the installed part (16) of decoration and/or power supply function.
9. combined sound barrier as claimed in claim 6, it is characterised in that：The bearing (1) is mixed using steel material or reinforcing bar
Solidifying native material makes；When bearing (1) is made using steel material, the bottom plate (12) is welded with bearing (1).
10. combined sound barrier as claimed in claim 1, it is characterised in that：The bottom of the bearing (1) is provided with forklift hole
(4)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711106777.6A CN107881933A (en) | 2017-11-10 | 2017-11-10 | A kind of combined sound barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711106777.6A CN107881933A (en) | 2017-11-10 | 2017-11-10 | A kind of combined sound barrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107881933A true CN107881933A (en) | 2018-04-06 |
Family
ID=61780085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711106777.6A Pending CN107881933A (en) | 2017-11-10 | 2017-11-10 | A kind of combined sound barrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107881933A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06346408A (en) * | 1993-06-10 | 1994-12-20 | Ngk Insulators Ltd | Soundproofing wall |
| CN201254698Y (en) * | 2008-08-13 | 2009-06-10 | 罗菁 | Improved structure for sound absorption wall |
| CN101713171A (en) * | 2009-11-18 | 2010-05-26 | 深圳市安泰科建筑技术有限公司 | Sound barrier structure for high speed railways |
| CN201713768U (en) * | 2009-12-30 | 2011-01-19 | 成都市新筑路桥机械股份有限公司 | Connecting structure for sound barrier of high-speed railway |
| WO2013049814A1 (en) * | 2011-09-30 | 2013-04-04 | Zimmerman Donald Robert | Noise barrier |
| CN203593982U (en) * | 2013-11-25 | 2014-05-14 | 上海中驰建筑工程有限公司 | Sound barrier bottom integral seal cover plate device |
| CN107059672A (en) * | 2017-05-20 | 2017-08-18 | 江苏远兴环保集团有限公司 | A kind of track traffic multi sound barrier |
| CN207714172U (en) * | 2017-11-10 | 2018-08-10 | 江苏远兴集团建设有限公司 | A kind of combined sound barrier |
-
2017
- 2017-11-10 CN CN201711106777.6A patent/CN107881933A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06346408A (en) * | 1993-06-10 | 1994-12-20 | Ngk Insulators Ltd | Soundproofing wall |
| CN201254698Y (en) * | 2008-08-13 | 2009-06-10 | 罗菁 | Improved structure for sound absorption wall |
| CN101713171A (en) * | 2009-11-18 | 2010-05-26 | 深圳市安泰科建筑技术有限公司 | Sound barrier structure for high speed railways |
| CN201713768U (en) * | 2009-12-30 | 2011-01-19 | 成都市新筑路桥机械股份有限公司 | Connecting structure for sound barrier of high-speed railway |
| WO2013049814A1 (en) * | 2011-09-30 | 2013-04-04 | Zimmerman Donald Robert | Noise barrier |
| CN203593982U (en) * | 2013-11-25 | 2014-05-14 | 上海中驰建筑工程有限公司 | Sound barrier bottom integral seal cover plate device |
| CN107059672A (en) * | 2017-05-20 | 2017-08-18 | 江苏远兴环保集团有限公司 | A kind of track traffic multi sound barrier |
| CN207714172U (en) * | 2017-11-10 | 2018-08-10 | 江苏远兴集团建设有限公司 | A kind of combined sound barrier |
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