CN213681794U - Sound barrier acoustic baffle mounting structure - Google Patents
Sound barrier acoustic baffle mounting structure Download PDFInfo
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- CN213681794U CN213681794U CN202021921929.5U CN202021921929U CN213681794U CN 213681794 U CN213681794 U CN 213681794U CN 202021921929 U CN202021921929 U CN 202021921929U CN 213681794 U CN213681794 U CN 213681794U
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Abstract
The utility model discloses a sound barrier acoustic baffle mounting structure. The sound-absorbing plate sound-facing surface is composed of a plurality of transversely arranged concave-convex arc structures or concave-convex trapezoidal structures at equal intervals, and two sides of each sound-absorbing plate sound-facing surface are fixed on the support rib columns through two mounting blocks through expansion bolts; the mounting block is an eccentric block with a cylindrical structure, and an eccentric hole with a through hole structure is arranged on the side of the circle center of the cylinder; the two mounting blocks at the same side are tightly matched and fixed with the rib column through the arc-shaped or trapezoidal inclined planes which are symmetrical up and down; the mounting block is a cylindrical structure made of an elastic material. The utility model discloses the eccentric block that acoustic baffle mounting structure adopted elastic material to make is fixed the acoustic baffle that has symmetrical inclined plane structure, and the bonding mode at the supplementary back, the acoustic baffle can be stable, firm fixed with the support rib post, because the characteristic of eccentric block can make the acoustic baffle balanced stable, makes the sound barrier have fine adaptive stability in complex environment.
Description
Technical Field
The utility model belongs to the technical field of installation engineering component design, a mounting structure for sound barrier acoustic baffle is fixed is related to.
Background
In the construction of high-speed railways or highways, it is often necessary to provide a sound barrier consisting of supporting rib columns fixed to the foundation along the railway or highway and sound absorbing panels fixed by the supporting rib columns.
The sound absorption plate is usually made of sound absorption materials, and in order to increase the sound absorption function, the sound-facing surface of the sound absorption plate is mostly in a wave-shaped multi-arc surface structure. When the sound absorption plate is fixedly connected with the support rib column, the installation requirement cannot be well adapted due to the single size of the fixing piece due to the size tolerance and the cambered surface structure of the sound absorption plate and the support rib column.
Disclosure of Invention
The utility model discloses a sound-absorbing board mounting structure according to prior art's not enough. The utility model aims at providing a simple to operate, sound-absorbing board mounting structure of reliable structure.
The utility model discloses a following technical scheme realizes:
sound barrier acoustic baffle mounting structure, sound barrier arrange multiunit unit along railway or highway both sides in succession, every group sound barrier unit is fixed in the acoustic baffle that the polylith parallel set up side by side between the adjacent support rib post, its characterized in that including the support rib post that consolidates on basic ground and installation:
the sound-absorbing plate sound-facing surface is composed of a plurality of transversely arranged concave-convex arc structures or concave-convex trapezoidal structures at equal intervals, and two sides of the sound-absorbing plate sound-facing surface are respectively fixed on the supporting rib columns through two mounting blocks through expansion bolts;
the mounting block is an eccentric block with a cylindrical structure, and an eccentric hole with a through hole structure is arranged on the side of the circle center of the cylinder; the two mounting blocks at the same side are tightly matched and fixed with the rib column through the arc-shaped or trapezoidal inclined planes which are symmetrical up and down.
The back of the sound-absorbing plate facing the sound is connected with the back plate in a bonding way, and the two ends of the back plate are fixedly connected with the supporting rib columns through connecting bolts.
The mounting block is a cylindrical structure made of elastic material.
The utility model discloses profitability: the utility model discloses sound-absorbing board mounting structure adopts the eccentric block that elastic material made to fix the sound-absorbing board that has the symmetrical inclined plane structure, supplementary the bonding mode at the back, and the sound-absorbing board can be stable, firm and support the rib post fixedly, because the characteristic of eccentric block, can all adapt to the application well to the installation size clearance that probably exists in the field engineering installation, has further strengthened the quality deviation because of the nonstandard existence of engineering installation, makes the engineering quality reliable, quality control further improves; meanwhile, the structure that two eccentric blocks are arranged on the symmetrical inclined plane is adopted, and the eccentric blocks are opposite to the rotating direction of the inclined plane, so that when a possible sound absorbing plate moves, the sound absorbing plate can be balanced and stable always under the rotation of one of the two eccentric blocks, and the sound barrier has good self-adaptive stability in a complex environment. The mounting block is made of ethylene propylene diene monomer rubber with excellent performance, and is fastened on a reserved mounting hole of the sound barrier by using a stainless steel expansion bolt, and the mounting method is adopted. The utility model has simple installation structure, stability and reliability; the size adjusting range is large, and the phenomenon that the installation cannot be carried out due to size and position differences is avoided; the maintenance is convenient, and the replacement is easy.
Drawings
FIG. 1 is a schematic plan view of a cellular sound barrier;
FIG. 2 is a schematic cross-sectional view of the sound barrier, and a schematic cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional structure of a sound-absorbing panel;
FIG. 4 is a partially enlarged schematic view of the sound absorbing panel mounting structure of the present invention;
fig. 5 is a partially enlarged schematic cross-sectional view of the sound absorbing panel mounting structure of the present invention, and a schematic cross-sectional view of B-B in fig. 4;
FIG. 6 is a schematic view of the plane structure of the mounting block of the present invention;
fig. 7 is a schematic view of the cross-sectional structure of the mounting block of the present invention.
In the figure, 1 is a sound absorbing panel, 2 is a support rib post, 3 is a mounting block, 31 is an eccentric block, 32 is an eccentric hole, 4 is an expansion bolt, 5 is a back plate, and 6 is a coupling bolt.
Detailed Description
The present invention will be further described with reference to the following embodiments, which are intended to illustrate the principles of the present invention without limiting the present invention in any way, and the present invention is not beyond the scope of the present invention.
With reference to the attached drawings.
As shown in the figure, the utility model discloses the sound barrier arranges multiunit unit along railway or highway both sides in succession, and every group sound barrier unit is fixed in the parallel acoustic baffle 1 that sets up side by side of polylith between the adjacent support rib post including concreteing in the support rib post 2 on basis ground and installation:
the sound-facing surface of each sound-absorbing plate 1 is composed of a plurality of transversely arranged concave-convex arc structures or concave-convex trapezoidal structures at equal intervals, and two sides of the sound-facing surface of each sound-absorbing plate 1 are fixed on the supporting rib columns 2 through two mounting blocks 3 through expansion bolts 4;
the mounting block 3 is an eccentric block 31 with a cylindrical structure, and an eccentric hole 32 with a through hole structure is arranged on the circle center side of the cylinder; two mounting blocks 3 on the same side are tightly matched and fixed with the supporting rib column 2 through arc-shaped or trapezoidal inclined planes which are symmetrical up and down of the sound absorption plate 1.
The back of the sound-absorbing plate 1 facing the sound is connected with a back plate 5 in an adhesive way, and two ends of the back plate 5 are fixedly connected with the supporting rib columns 2 through connecting bolts 6.
The mounting block 3 is a cylindrical structure made of an elastic material. The elastic material can be ethylene propylene diene monomer rubber and other materials.
As shown in fig. 1 and 2, fig. 1 is a schematic plan view of a unit sound barrier; fig. 2 is a schematic cross-sectional structure of the sound barrier, i.e., a schematic cross-sectional structure a-a in fig. 1. The figure shows a group of unit plane structures of the sound barrier, and in the construction of high-speed railways and highways, the sound barrier can be continuously arranged along two sides of a road according to the requirement of setting. The sound barrier of each unit comprises two adjacent ribbed columns 2, the sound barriers of the adjacent units can share one ribbed column 2, a fixed sound absorption plate 1 and a back plate 5 are arranged between the two ribbed columns 2, and generally, the sound barrier of each unit is composed of a plurality of groups of sound absorption plates 1 and back plates 5.
As shown in fig. 3 and 4, fig. 3 is a schematic cross-sectional structure of the sound-absorbing panel; FIG. 4 is a partially enlarged schematic view of the sound absorbing panel mounting structure of the present invention; the sound absorption plate 1 of the present embodiment has the same arc-shaped structure on the sound-facing surface, and the mounting blocks 3 are arranged on symmetrical and opposite arc-shaped inclined surfaces during mounting. The structure that two eccentric blocks 3 are arranged on the symmetrical inclined plane is adopted, and because the eccentric blocks 3 are opposite along the rotating direction of the inclined plane, when the sound absorption plate 1 possibly moves, the sound absorption plate 1 can be balanced and stable always by the rotation of one of the two eccentric blocks 3, so that the sound barrier has good self-adaptive stability in a complex environment.
Fig. 5 is a partially enlarged schematic cross-sectional view of the sound absorbing panel mounting structure of the present invention, and a schematic cross-sectional view of B-B in fig. 4; the back plate of the sound absorption plate 1 is connected with the back plate 5 through bonding, the back plate 5 is connected and fixed with the rib columns 2 through the connecting bolts 6, two eccentric mounting blocks 3 are arranged on the two sides of each group of the sound absorption plate 1 on the sound facing surface of the sound absorption plate 1, the eccentric mounting blocks 3 are fixed on the rib columns 2 through expansion bolts 4, during installation, the eccentric mounting blocks 3 are pre-aligned to mounting holes of the rib columns 2 through the expansion bolts 4, and the rotary eccentric mounting blocks 3 are tightly attached and fixed with the inclined plates of the sound absorption plate 1.
The mounting steps include:
1. coating a layer of structural adhesive on the outer part of the sleeve of the expansion bolt 4, and then inserting the structural adhesive into the preformed hole of the rib column;
2. the expansion bolt 4 is threaded through the eccentric hole 32 of the eccentric mass 3 and then the bolt is driven into the sleeve of the expansion bolt 4 until the bolt is flush with the eccentric mass.
Claims (3)
1. The utility model provides a sound barrier acoustic baffle mounting structure, sound barrier arrange multiunit unit along railway or highway both sides in succession, every group sound barrier unit is fixed in the acoustic baffle that the polylith parallel set up between adjacent support rib post, its characterized in that including concreteing in the support rib post on basis ground and installation:
the sound-absorbing plate sound-facing surface is composed of a plurality of transversely arranged concave-convex arc structures or concave-convex trapezoidal structures at equal intervals, and two sides of the sound-absorbing plate sound-facing surface are respectively fixed on the supporting rib columns through two mounting blocks through expansion bolts;
the mounting block is an eccentric block with a cylindrical structure, and an eccentric hole with a through hole structure is arranged on the side of the circle center of the cylinder; the two mounting blocks at the same side are tightly matched and fixed with the rib column through the arc-shaped or trapezoidal inclined planes which are symmetrical up and down.
2. The sound barrier acoustical panel mounting structure of claim 1, wherein: the back of the sound-absorbing plate facing the sound is connected with the back plate in a bonding way, and the two ends of the back plate are fixedly connected with the supporting rib columns through connecting bolts.
3. The sound barrier acoustical panel mounting structure of claim 2, wherein: the mounting block is a cylindrical structure made of elastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021921929.5U CN213681794U (en) | 2020-09-04 | 2020-09-04 | Sound barrier acoustic baffle mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021921929.5U CN213681794U (en) | 2020-09-04 | 2020-09-04 | Sound barrier acoustic baffle mounting structure |
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| Publication Number | Publication Date |
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| CN213681794U true CN213681794U (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021921929.5U Active CN213681794U (en) | 2020-09-04 | 2020-09-04 | Sound barrier acoustic baffle mounting structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127291A (en) * | 2020-09-04 | 2020-12-25 | 成都中弘轨道交通环保产业股份有限公司 | Sound barrier acoustic baffle mounting structure |
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2020
- 2020-09-04 CN CN202021921929.5U patent/CN213681794U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127291A (en) * | 2020-09-04 | 2020-12-25 | 成都中弘轨道交通环保产业股份有限公司 | Sound barrier acoustic baffle mounting structure |
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