CN218757080U - Formula of sinking sound barrier - Google Patents
Formula of sinking sound barrier Download PDFInfo
- Publication number
- CN218757080U CN218757080U CN202223286683.0U CN202223286683U CN218757080U CN 218757080 U CN218757080 U CN 218757080U CN 202223286683 U CN202223286683 U CN 202223286683U CN 218757080 U CN218757080 U CN 218757080U
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- sound barrier
- unit plate
- box body
- section steel
- base
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- 230000004888 barrier function Effects 0.000 title claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 238000004873 anchoring Methods 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 7
- 239000006096 absorbing agent Substances 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 9
- 229910052751 metal Inorganic materials 0.000 abstract description 8
- 239000002184 metal Substances 0.000 abstract description 8
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000011490 mineral wool Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model belongs to the technical field of the sound barrier, specific saying relates to a formula of sinking sound barrier. The structure of the foundation is composed of a plurality of section steel stand columns and a plurality of unit plates arranged among the section steel stand columns, wherein unfilled corners are arranged on the lower edges of the unit plates at the lowermost ends of the section steel stand columns, the lower portions of the section steel stand columns are connected with base platforms, the left sides and the right sides of the base platforms are respectively attached to the unfilled corners of the lower portions of the adjacent unit plates, and the lower edges of the unit plates are close to the foundation base surface. The sound absorption unit plate of the sunken sound barrier is in contact with the foundation base surface, so that noise can be effectively prevented from penetrating through the lower part of the sound barrier, and the sound insulation and noise reduction performance of the metal sound barrier is obviously enhanced.
Description
Technical Field
The utility model belongs to the technical field of the sound barrier, specific saying relates to a formula of sinking sound barrier.
Background
The sound barrier is mainly used for sound insulation and noise reduction of highways, expressways, overhead composite roads and other noise sources. The sound insulation device mainly comprises a pure sound insulation reflection type sound barrier and a composite type sound barrier combining sound absorption and sound insulation, and the composite type sound barrier is a more effective sound insulation facility.
At present, the metal sound barrier is a type which is commonly used, the metal sound barrier is assembled into a shell by a perforated panel and a back plate, sound absorbers such as rock wool materials are arranged in the shell to form a cell plate, H-shaped steel upright posts are arranged on two sides of a roadbed, and two sides of the cell plate are inserted into socket grooves on two sides of the upright posts to complete assembly.
In order to facilitate later-stage maintenance, the lower part of a cell plate and a foundation base surface of the existing metal sound barrier are always designed in a suspended mode, an operation space is provided for later-stage removal of an anchoring bolt at the bottom of a profile steel upright post, the suspended part naturally becomes a sound absorption and sound insulation blind area, noise is easily caused to penetrate through the sound barrier, the vibration and noise reduction effects of the metal sound barrier are greatly reduced, and for the problem, some manufacturers weld a baffle between the lower edge of the cell plate and the foundation base surface after inserting the cell plate in the process of installing the sound barrier, and two ends of the baffle are respectively welded with the profile steel upright post.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sound absorption cell board and the sunken sound barrier of ground base face contact can effectively prevent that the noise from piercing through from the sound barrier lower part, is showing the sound insulation noise reduction performance that strengthens metal sound barrier.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a formula of sinking sound barrier comprises a plurality of shaped steel stands and sets up a plurality of cell boards between it which characterized in that: be located shaped steel stand lowermost extreme the lower border both sides of cell board set up the unfilled corner, shaped steel stand sub-unit connection base station, the left and right sides of base station respectively with adjacent the unfilled corner laminating of cell board lower part, the lower border and the ground base face of cell board are pressed close to.
The additional technical features of the sinking type sound barrier further comprise:
the base platform comprises a box body, the section steel upright posts penetrate through the upper surface of the box body, and the bottom of the box body is connected with a foundation in an anchoring mode; or the bottom of the profile steel upright is connected with the upper surface of the box body, the bottom of the box body is connected with a foundation in an anchoring manner, and the front side or the rear side of the box body is of an open structure;
positioning grooves are respectively formed in the left side and the right side of the base station and used for clamping the unfilled corner edges at the lower parts of the unit plates, and the positioning grooves vertically correspond to the socket grooves in the two sides of the section steel upright column on the upper part of the base body;
the side edge of the lower part of the unit plate, which is inserted into the positioning groove, and the side edge of the upper part of the unit plate, which is inserted into the socket groove, are provided with buffer rubber tubes, and the contact part of the upper plane of the unfilled corner of the lower part of the unit plate and the base platform and/or the contact part of the lower edge of the unit plate and the base surface of the foundation are provided with decoupling rubber pads;
the unfilled corner part at the lower part of the unit plate is provided with an L-shaped coaming which is respectively connected with the panel and the back plate of the unit plate, and the inner side of the L-shaped coaming is provided with a plurality of V-shaped clamping grooves for limiting the sound absorber inside the unit plate.
Compared with the prior art, the utility model provides a formula of sinking sound barrier has following advantage: because this novel sound barrier sets up the unfilled corner along both sides below being located the cell board of bottom between the shaped steel stand, shaped steel stand sub-unit connection base station, the left and right sides of base station is laminated with the unfilled corner of adjacent cell board lower part respectively, the lower border of cell board is pressed close to with the ground base face, the cell board that is used for noise absorption sinks to contact the ground base face promptly, the following cell board shape that sets up the unfilled corner along both sides is similar to T shape, butt joint with the base station lateral part of shaped steel stand lower part, firm location has been realized, compare in traditional rectangle cell board unsettled design, it pierces through from the lower part to have avoided the sound barrier, cause the sound leakage problem, its damping noise reduction performance is better, and simple structure, it is also very convenient to make the installation.
Drawings
Fig. 1 is a schematic structural view of a sunken sound barrier of the present invention;
fig. 2 is a schematic structural view of the sunk sound barrier with unit plates having two unfilled corners at the lowest end.
Detailed Description
The structure and the working principle of the sunken sound barrier provided by the present invention will be further described in detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the structure of the sunken sound barrier comprises a plurality of section steel columns 1 and a plurality of unit plates arranged between the section steel columns 1, wherein unfilled corners 31 are arranged on two sides of the lower edge 30 of the unit plate 2 positioned at the lowermost end between adjacent section steel columns 1, the lower part of each section steel column 1 is connected with a base platform 4, the left side and the right side of each base platform 4 are respectively attached to the unfilled corners 31 on the lower parts of the adjacent unit plates 2, and the lower edge 30 of each unit plate 2 is attached to a foundation base surface.
The working principle is as follows: this sound barrier's main part is formed by cell board and the equipment of the socket joint of a plurality of shaped steel stand 1 (H shaped steel), compare in traditional metal sound barrier, the lower edge both sides that the cell board 2 that this patent is located the sound barrier lower extreme set up rectangle unfilled corner 31 respectively, the laminating of 4 lateral parts of base station of this rectangle unfilled corner 31 and shaped steel stand 1 lower part, thereby make the contact is pressed close to along 30 and the ground base face down of acoustic baffle, form the complete sound absorption face from bottom to top, prevent that the noise from penetrating the leakage by the lower part of sound barrier, the sound insulation noise reduction performance of metal sound barrier has been strengthened.
In the structure constituting the above-described sunken sound barrier,
in one embodiment, the base platform 4 connected with the section steel upright 1 comprises a box body 41, the section steel upright 1 penetrates through the upper surface of the box body 41 and is connected with a foundation in an anchoring manner at the bottom of the box body 41, the section steel upright 1 can penetrate through a bottom plate of the box body 41 and is connected with an anchoring component 42 pre-embedded in the foundation, a plurality of anchoring bolts are arranged on the surface of the bottom plate to improve the connection strength, the bottom plate of the box body 41 can be removed, and the root part of the section steel upright 1 is directly connected with the anchoring component pre-embedded in the foundation;
as an equivalent replacement, the bottom of the profile steel upright column 1 is directly connected with the upper surface of the box body 41 (can be welded 43, and can also be connected through anchor bolts), the bottom of the box body 41 is connected with the foundation anchor 42, that is, a plurality of anchor bolts are arranged on the bottom plate and connected with the anchor bodies pre-embedded in the foundation, the front side or the rear side of the box body 41 is of an open structure, so that a working space is provided for installing the anchor bolts, and later maintenance and overhaul are facilitated, of course, sound-absorbing materials can be arranged on the front side or the rear side of the box body 41 for filling, so as to increase the sound-absorbing area, such as foamed aluminum or rock wool boards and the like;
preferably, the left side and the right side of the base 4 are respectively provided with a positioning groove 51 for clamping the edge of the lower unfilled corner 31 of the unit plate 2, the positioning grooves 51 vertically correspond to the socket grooves 52 on the two sides of the section steel upright post 1 on the upper part of the base, namely, the socket groove 52 of the H-section steel and the positioning groove 51 on the side part of the base 4 are jointly clamped on the side edge of the T-shaped unit plate 2, so that a complete assembly connection structure is formed, and the sealing performance and the stability are both considered;
furthermore, a buffer rubber tube 61 is arranged on the side edge of the lower part of the unit plate 2 inserted into the positioning groove 51 and the side edge of the upper part of the unit plate 2 inserted into the socket groove 52, the buffer rubber tube 61 is made of ethylene propylene diene monomer rubber, so that the elastic damping effect is achieved, the impact wind power is reduced, the load peak value of the profile steel upright post 1 is improved, the connection stability between the plate columns is improved, a decoupling rubber pad 62 is arranged at the contact part of the upper plane of the unfilled corner 31 of the lower part of the unit plate and the base platform 4 and/or the contact part of the lower edge 30 of the unit plate and the base surface of the foundation, the flexible contact between the unit plate and the foundation is realized, the conduction of the foundation vibration to the unit plate is blocked, the mutual collision between the unit plate and the foundation is reduced, and the service life of the sound barrier is prolonged;
preferably, the unfilled corner 31 part of the lower part of the cell plate 2 is provided with an L-shaped coaming 71 which is respectively connected with the panel and the back plate of the cell plate 2, the inner side of the L-shaped coaming 71 is provided with a plurality of v-shaped clamping grooves 72 for limiting the sound absorber inside the cell plate, so that the vibration caused by sound wave impact on the sound absorber is reduced, the sound absorber (rock wool material) is prevented from being loose and damaged in structure, meanwhile, the v-shaped clamping grooves 72 enhance the structural strength of the coaming 71, the v-shaped clamping grooves 72 can also be arranged on the side of the panel and the back plate, and the coaming 71 edge-covered joint and the v-shaped coaming 71 are tightly pressed and connected through the elastic pretightening force of the v-shaped clamping grooves 72, so that the effects of quick assembly and firm connection are realized, the assembly cost is saved, and the later maintenance is convenient.
Claims (5)
1. The utility model provides a formula of sinking sound barrier comprises a plurality of shaped steel stands and sets up a plurality of cell boards between it which characterized in that: be located shaped steel stand lowermost extreme the lower border both sides of cell board set up the unfilled corner, shaped steel stand sub-unit connection base station, the left and right sides of base station respectively with adjacent the unfilled corner laminating of cell board lower part, the lower border and the ground base face of cell board are pressed close to.
2. The sinking type sound barrier is characterized in that the base platform comprises a box body, the section steel upright post penetrates through the upper surface of the box body and is connected with a foundation anchor at the bottom of the box body; or the bottom of the profile steel upright post is connected with the upper surface of the box body, the bottom of the box body is connected with the ground in an anchoring mode, and the front side or the rear side of the box body is of an open structure.
3. The sinking type sound barrier according to claim 1, wherein the left side and the right side of the base platform are respectively provided with a positioning groove for clamping the lower unfilled corner edge of the unit plate, and the positioning grooves vertically correspond to the socket grooves on the two sides of the section steel upright column on the upper part of the base body.
4. The sinking type sound barrier according to claim 3, wherein a buffer rubber tube is arranged at the side edge of the lower part of the unit plate inserted into the positioning groove and the side edge of the upper part of the unit plate inserted into the socket groove, and a decoupling rubber pad is arranged at the contact part of the upper plane of the unfilled corner of the lower part of the unit plate and the base station and/or the contact part of the lower edge of the unit plate and the base plane of the foundation.
5. The sunk type sound barrier of claim 1, wherein the unfilled corner part of the lower part of the unit plate is provided with an L-shaped coaming which is respectively connected with the panel and the back plate of the unit plate, and the inner side of the L-shaped coaming is provided with a plurality of v-shaped clamping grooves for limiting the sound absorber inside the unit plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223286683.0U CN218757080U (en) | 2022-12-08 | 2022-12-08 | Formula of sinking sound barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223286683.0U CN218757080U (en) | 2022-12-08 | 2022-12-08 | Formula of sinking sound barrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218757080U true CN218757080U (en) | 2023-03-28 |
Family
ID=85680055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223286683.0U Active CN218757080U (en) | 2022-12-08 | 2022-12-08 | Formula of sinking sound barrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218757080U (en) |
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2022
- 2022-12-08 CN CN202223286683.0U patent/CN218757080U/en active Active
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