CN219824974U - Metal sound barrier unit board for high-speed railway roadbed - Google Patents
Metal sound barrier unit board for high-speed railway roadbed Download PDFInfo
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- CN219824974U CN219824974U CN202321269142.9U CN202321269142U CN219824974U CN 219824974 U CN219824974 U CN 219824974U CN 202321269142 U CN202321269142 U CN 202321269142U CN 219824974 U CN219824974 U CN 219824974U
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- sound barrier
- speed railway
- cell panel
- metal
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- 230000004888 barrier function Effects 0.000 title claims abstract description 67
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 20
- 239000002184 metal Substances 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 54
- 239000010959 steel Substances 0.000 claims abstract description 54
- 238000009413 insulation Methods 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 11
- 239000011358 absorbing material Substances 0.000 claims description 15
- 229910000838 Al alloy Inorganic materials 0.000 claims description 7
- 239000003973 paint Substances 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000005340 laminated glass Substances 0.000 claims description 3
- 210000002457 barrier cell Anatomy 0.000 claims 8
- 238000012946 outsourcing Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 5
- 238000011900 installation process Methods 0.000 abstract description 2
- 239000011521 glass Substances 0.000 description 5
- 238000002955 isolation Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model discloses a metal sound barrier unit board of a high-speed railway roadbed, which relates to the technical field of railway bridges and comprises steel upright posts, wherein the steel upright posts are pre-buried on roadbeds on two sides of the high-speed railway, the bottoms of the steel upright posts are provided with landing bolts for installation and fixation, a sound barrier board is detachably connected between two adjacent steel upright posts, the sound barrier board comprises a sound absorption layer for absorbing sound, a sound insulation baffle is coated outside the sound absorption layer, sound absorption materials are filled in the sound absorption layer, and a supporting framework for supporting the sound absorption materials is arranged on the inner side of the sound absorption layer. The utility model has the effect of reducing the consumption of the steel upright post in the installation process.
Description
Technical Field
The utility model relates to the technical field of railway bridges, in particular to a metal sound barrier unit plate for a high-speed railway roadbed.
Background
Along with the gradual improvement of the social living standard, people put forward higher requirements on the environment, and the train can generate huge noise in the running process and has a certain influence on the living environment of people, so that a great deal of sound barrier control engineering is adopted in the construction engineering of the high-speed railway.
At present, the high-speed railway in China mainly uses the plugboard type metal sound barrier, which is divided into two categories of bridge plugboard type metal sound barriers and roadbed plugboard type metal sound barriers, and the high-speed railway sound barrier has good acoustic performance, mechanical performance and physical performance.
For the related art, the sound barrier in the prior art is usually installed by embedding steel columns, which consumes a large amount of column steel and increases the labor and transportation cost.
Disclosure of Invention
In order to reduce the consumption of steel columns in the installation process, the utility model provides a metal sound barrier unit plate for a high-speed railway roadbed.
The utility model provides a metal sound barrier unit board for a high-speed railway subgrade, which adopts the following technical scheme:
the utility model provides a high-speed railway road bed metal sound barrier unit board, includes the steel stand, the steel stand is pre-buried on the road bed of high-speed railway both sides, and steel stand bottom is equipped with the floor bolt that is used for the installation to fix, can dismantle between two adjacent steel stands and be connected with the sound barrier board, the sound barrier board is including the sound absorption layer that is used for inhaling sound, the cladding has sound insulation baffle outside the sound absorption layer, fill sound absorbing material in the sound absorption layer, the sound absorption layer inboard is equipped with the braced skeleton that is used for supporting sound absorbing material.
Through adopting above-mentioned technical scheme, set up braced frame in the sound absorbing layer, braced frame can be used for supporting the sound absorbing material of baffle intussuseption filling to improve the intensity of sound barrier board between two steel stands, improve its whole mechanical properties, can lengthen the extension length of sound barrier board when making through setting up braced frame, thereby can make the installation distance between two steel stands grow, the use quantity of steel stand diminishes when installing the sound barrier structure in the same distance highway section, the steel of having practiced thrift the steel stand uses, reduced staff's work load to a certain extent simultaneously, improved installation effectiveness.
Optionally, the supporting framework comprises a main keel extending horizontally, the main keel is fixedly connected with an auxiliary keel, the auxiliary keel is perpendicular to the main keel, and two ends of the main keel and the auxiliary keel are fixedly connected with the sound insulation baffle.
Through adopting above-mentioned technical scheme, main joist and secondary joist select for use C type light steel generally, and main joist is used for the support of horizontal direction, and secondary joist is used for the support of vertical direction, and both cooperations support the sound absorbing material in the sound insulation layer fixedly, improve the mechanical properties of sound barrier board to guarantee its performance when installing the use in high-speed railway both sides.
Optionally, the sound insulation baffle evenly is equipped with a plurality of recess portions towards road one side.
Through adopting above-mentioned technical scheme, the baffle that gives sound insulation towards road one side sets up recess portion, increases inboard baffle's area, and the sound wave is when transmitting baffle on, through absorption, buffering and the reflection etc. at recess portion, can be offset partly, compares in planar baffle effect better some, has improved its lift-off property to a certain extent, and mechanical strength has also had certain promotion.
Optionally, a plurality of meshes are arranged between two adjacent groove parts of the sound insulation baffle.
Through adopting above-mentioned technical scheme, the mesh has been seted up to sound baffle and can be when the sound wave transmits sound baffle, and the noise that the train produced through the mesh of sound baffle can get into the sound-absorbing layer, and a portion is through sound-absorbing material with energy conversion heat energy consumption, and another portion is isolated by outer sound baffle, reaches the purpose of inhaling the isolation noise.
Optionally, an inclined plate inclined inwards is arranged on the upper side of the sound barrier plate.
Through adopting above-mentioned technical scheme, baffle top sets up the inclined plane that inclines to the road inboard, can increase the separation scope to the noise that high-speed railway produced, further gives the protection effect to the noise greatly.
Optionally, the sound barrier board is divided into an upper sound barrier board and a lower sound barrier board, and a transparent window is arranged between the two sound barrier boards.
By adopting the technical scheme, the transparent window is arranged between the sound barrier plates, so that people on the train can see scenery on two sides through the transparent window when the train passes through the position.
Optionally, the transparent window adopts double-layered glass, transparent window four sides are equipped with the aluminum alloy frame that is used for the installation.
Through adopting above-mentioned technical scheme, aluminum alloy frame is used for installing the transparent window, and the transparent window sets up to double-layered glass, can make the transparent window possess better sound insulation effect.
Optionally, an anti-corrosion paint layer is sprayed outside the sound insulation baffle.
Through adopting above-mentioned technical scheme, the anticorrosive performance of baffle can be increased to baffle outside spraying anticorrosive paint layer, increases its life.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the supporting framework can be used for supporting sound absorbing materials filled in the sound insulation baffle, so that the strength of the sound barrier plate between two steel upright posts is improved, the overall mechanical property of the sound barrier plate is improved, the extending length of the sound barrier plate can be prolonged during manufacturing by arranging the supporting framework, the mounting distance between the two steel upright posts can be increased, the number of the steel upright posts is reduced during mounting of the sound barrier structure of the same distance road section, the steel use of the steel upright posts is saved, meanwhile, the workload of staff is reduced to a certain extent, and the mounting efficiency is improved;
2. the inclined plate inclined towards the inner side of the road is arranged above the sound insulation baffle, so that the blocking range of noise generated by a high-speed railway can be enlarged, and the noise protection effect is further improved;
3. the transparent window is arranged between the sound barrier plates, so that people on the train can see scenery on two sides through the transparent window when the train passes through the transparent window.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present utility model.
Fig. 2 is a cross-sectional view of the overall structure of an embodiment of the present utility model.
Fig. 3 is a schematic view showing the structure of a supporting framework according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a steel upright; 11. a landing bolt; 2. an acoustic barrier panel; 21. a sound absorbing layer; 22. a sound insulation baffle; 23. a groove portion; 24. a mesh; 3. a support skeleton; 31. a main keel; 32. a secondary keel; 4. an inclined plate; 5. a transparent window; 51. an aluminum alloy frame; 6. and (5) an anti-corrosion paint layer.
Detailed Description
The present utility model will be described in further detail below with reference to the accompanying drawings.
The embodiment of the utility model discloses a metal sound barrier unit board for a high-speed railway roadbed.
Referring to fig. 1, a metal sound barrier unit board of a high-speed railway roadbed comprises steel upright posts 1, wherein the steel upright posts 1 are pre-buried on roadbed at two sides of the high-speed railway, the steel upright posts 1 are vertically arranged, the parts extending out of the inner side and the outer side of the bottom of the steel upright posts 1 are provided with landing bolts 11 for being fixedly installed with the roadbed, the landing bolts 11 are provided with four, sound barrier boards 2 are detachably connected between two adjacent steel upright posts 1, sliding grooves are formed in two sides of the steel upright posts 1, the two sides of the sound barrier boards 2 are matched with the sliding grooves of the steel upright posts 1, after the steel upright posts 1 are installed, the sound barrier boards 2 can be inserted between the two adjacent steel upright posts 1, installation of the sound barrier boards 2 is realized, the sound barrier boards 2 can isolate and absorb noise generated when a high-speed railway train passes, and noise pollution caused to surrounding environment is reduced.
Referring to fig. 1, the sound barrier plates 2 are divided into an upper sound barrier plate and a lower sound barrier plate, a transparent window 5 is arranged between the two sound barrier plates 2, when a train passes through the transparent window 5, people on the train can see scenery on two sides through the transparent window 5, the transparent window 5 adopts laminated glass, four sides of the transparent window 5 are provided with aluminum alloy frames 51 for installing the transparent window 5, the aluminum alloy frames 51 and the steel upright posts 1 are fixed in a welding mode, the laminated glass is usually two or more pieces of glass, the sound-proof performance is better, one or more layers of organic polymer intermediate films are clamped between the glass, the embodiment is preferably a PVB intermediate film, the sound-proof performance is better, and fragments can be attached to the intermediate films after the glass is broken, so that the possibility of accidents is reduced.
Referring to fig. 1 and 2, the sound barrier plate 2 includes a sound absorbing layer 21 for absorbing sound, a sound insulation baffle 22 is coated on the sound absorbing layer 21, a sound absorbing material is filled in the sound absorbing layer 21, and centrifugal glass wool is generally selected as the sound absorbing material, and after sound waves enter the sound absorbing layer 21, friction is generated between the sound waves and the sound absorbing material to convert the sound energy into heat energy, so that the sound waves are effectively absorbed and weakened, and the purpose of reducing noise is achieved.
Referring to fig. 1 and 2, the baffle 22 is uniformly provided with a plurality of groove portions 23 towards one side of the road, the groove portions 23 extend along the horizontal direction, a plurality of circular meshes 24 are formed between two adjacent groove portions 23 of the baffle 22, the groove portions 23 are arranged, the area of the baffle 22 on the inner side is increased, when sound waves are transmitted to the baffle 22, a part of sound waves can be counteracted through absorption, buffering, reflection and the like of the groove portions 23, compared with the planar baffle 22, the effect is better, the lift performance of the baffle is improved to a certain extent, the mechanical strength is improved to a certain extent, the meshes 24 are formed, the sound waves can enter the sound absorption layer 21, and meanwhile, heat energy converted by sound energy in the sound absorption layer 21 is timely dissipated.
Referring to fig. 2, the anticorrosive paint layer 6 is sprayed outside the sound insulation baffle 22, and the sound insulation baffle 22 is usually a galvanized baffle, and the anticorrosive paint layer 6 is sprayed outside the sound insulation baffle 22, so that not only can the anticorrosive performance be improved, but also the aesthetic degree of the sound insulation baffle can be improved.
Referring to fig. 1, fig. 2 and fig. 3, the sound absorbing layer 21 inboard is equipped with the braced skeleton 3 that is used for supporting sound absorbing material, braced skeleton 3 includes the main joist 31 that the level extends, main joist 31 fixedly connected with secondary joist 32, secondary joist 32 is perpendicular with main joist 31, main joist 31 and secondary joist 32 both ends are connected fixedly with baffle 22, main joist 31 and secondary joist 32 all adopt the light steel of C, main joist 31 is used for the support of horizontal direction, secondary joist 32 is used for the support of vertical direction, the cooperation of both supports fixedly sound absorbing material in with the sound insulating layer, braced skeleton 3 can be used for supporting sound absorbing material that baffle 22 intussuseption was filled, thereby improve the intensity of sound barrier board 2 between two steel posts 1, improve its overall mechanical properties, through setting up braced skeleton 3 can prolong the extension length of sound barrier board 2 during the preparation, thereby can make the installation distance between two steel posts 1 grow, the use quantity of steel post 1 diminish when installing the sound barrier structure on the same distance highway section, steel post 1 uses, work load of steel post 1 has been practiced thrift, staff's work load has been reduced to a certain extent, and installation effectiveness has been improved.
Referring to fig. 1, an inclined plate 4 inclined towards the inner side of a railway is arranged on the upper side of a sound barrier plate 2, the inclined plate 4 is made of a sound-insulating steel plate coated with a sound-absorbing material, the same material as the sound barrier plate 2 can be adopted, the sound barrier plate 2 and the inclined plate 4 can be connected and transited through a simple steel structure, the sound barrier plate 2 and the inclined plate 4 can be fixed through welding or bolts, the upper side of a steel column 1 is inclined towards the inner side for extending out a corresponding distance, the sound barrier plate is also used for inserting the inclined plate 4, the inclined plate 4 is inclined towards the inner side of the railway, the protection range of noise isolation can be increased, and the noise isolation effect is further improved.
The implementation principle of the metal sound barrier unit board of the high-speed railway subgrade provided by the embodiment of the utility model is as follows: firstly, the steel upright posts 1 are installed through the landing bolts 11, then the sound barrier plates 2 are inserted between two adjacent steel upright posts 1, the transparent window 5 is welded to the steel upright posts 1 through the aluminum alloy frame 51, then the sound barrier plates 2 above are inserted, the inclined plates 4 are installed after a section of inclined steel upright posts 1 are extended through the bolts, after sound waves enter the sound absorption layer 21, friction is generated between the sound waves and the sound absorption material to convert sound energy into heat energy, so that the sound waves are effectively absorbed and weakened, the purpose of reducing noise is achieved, the supporting framework 3 in the sound absorption layer 21 can be used for supporting the sound absorption material filled in the sound insulation baffle plates 22, the strength of the sound barrier plates 2 between the two steel upright posts 1 is improved, the overall mechanical property of the sound barrier plates is improved, the installation distance between the two steel upright posts 1 is increased, the number of the steel upright posts 1 is reduced when the sound barrier structures of the same distance road section are installed, meanwhile, the workload of workers is reduced to a certain extent, and the installation efficiency is improved.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides a high-speed railway road bed metal sound barrier cell board which characterized in that: including steel stand (1), steel stand (1) are pre-buried on the road bed of high-speed railway both sides, and steel stand (1) bottom is equipped with and is used for installing fixed landing bolt (11), adjacent two can dismantle between steel stand (1) and be connected with sound barrier board (2), sound barrier board (2) are including being used for inhaling sound layer (21) of inhaling sound, sound barrier (21) outsourcing has sound baffle (22), sound absorbing layer (21) intussuseption is filled with sound absorbing material, sound absorbing layer (21) inboard is equipped with supporting skeleton (3) that are used for supporting sound absorbing material.
2. A high speed railway subgrade metal sound barrier cell panel as in claim 1, wherein: the supporting framework (3) comprises a main keel (31) extending horizontally, the main keel (31) is fixedly connected with an auxiliary keel (32), the auxiliary keel (32) is perpendicular to the main keel (31), and two ends of the main keel (31) and two ends of the auxiliary keel (32) are fixedly connected with the sound insulation baffle (22).
3. A high speed railway subgrade metal sound barrier cell panel as in claim 1, wherein: the sound insulation baffle (22) is uniformly provided with a plurality of groove parts (23) towards one side of the road.
4. A high speed railway subgrade metal sound barrier cell panel as in claim 3, wherein: a plurality of meshes (24) are formed between two adjacent groove parts (23) of the sound insulation baffle plate (22).
5. A high speed railway subgrade metal sound barrier cell panel as in claim 1, wherein: the upper side of the sound barrier plate (2) is provided with an inwards inclined plate (4).
6. A high speed railway subgrade metal sound barrier cell panel as in claim 1, wherein: the sound barrier plates (2) are divided into an upper sound barrier plate and a lower sound barrier plate, and a transparent window (5) is arranged between the two sound barrier plates (2).
7. The metallic sound barrier cell panel for a high speed railway subgrade of claim 6, wherein: the transparent window (5) adopts laminated glass, and four sides of the transparent window (5) are provided with aluminum alloy frames (51) for installation.
8. A high speed railway subgrade metal sound barrier cell panel as in claim 1, wherein: and an anti-corrosion paint layer (6) is sprayed outside the sound insulation baffle plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321269142.9U CN219824974U (en) | 2023-05-23 | 2023-05-23 | Metal sound barrier unit board for high-speed railway roadbed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321269142.9U CN219824974U (en) | 2023-05-23 | 2023-05-23 | Metal sound barrier unit board for high-speed railway roadbed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219824974U true CN219824974U (en) | 2023-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321269142.9U Active CN219824974U (en) | 2023-05-23 | 2023-05-23 | Metal sound barrier unit board for high-speed railway roadbed |
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| Country | Link |
|---|---|
| CN (1) | CN219824974U (en) |
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2023
- 2023-05-23 CN CN202321269142.9U patent/CN219824974U/en active Active
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