CN201857583U - Sound barrier of high-speed railway and unit component thereof - Google Patents
Sound barrier of high-speed railway and unit component thereof Download PDFInfo
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- CN201857583U CN201857583U CN2010205240795U CN201020524079U CN201857583U CN 201857583 U CN201857583 U CN 201857583U CN 2010205240795 U CN2010205240795 U CN 2010205240795U CN 201020524079 U CN201020524079 U CN 201020524079U CN 201857583 U CN201857583 U CN 201857583U
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- sound barrier
- speed railway
- high speed
- plate
- railway sound
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Abstract
The utility model discloses a unit component of a sound barrier of a high-speed railway. The unit component comprises a casing, a sound absorbing material board (5) arranged in the casing and a U-shaped connecting frame (6), wherein the casing comprises an upper cover board (2), a lower cover board (4), a rear back board (3), a front panel (7), a left lateral board (1) and a right lateral board, wherein the U-shaped connecting frame (6) is arranged in the casing, and is connected with the front panel (7), the upper cover board (2), the rear back board (3) and the lower cover board (4) through a connecting device. The unit component of the sound barrier of the high-speed railway has stronger capacity of resisting external load, has less deformation under the function of external load, and has better sound barring effect. The utility model further discloses a sound barrier of the high-speed railway, which comprises the unit component of the sound barrier of the high-speed railway.
Description
Technical field
The utility model relates to the sound arrester technical field, particularly a kind of high speed railway sound barrier unit piece.In addition, the utility model also relates to a kind of unary high speed railway sound barrier of described high speed railway sound barrier that comprises.
Background technology
Along with the fast development of China's economic construction, traffic transport industry, particularly railway systems have obtained development at a high speed, and the travel speed of rail vehicle is also more and more higher.
As everyone knows, in the driving process of rail vehicle, though be vehicle wheel to track between contact, still the air that is caused in the high-speed motion process of vehicle flows, the capital produces very big noise, very big noise pollution has been caused in the place of railway process, and along with improving constantly of the speed of a motor vehicle, the noise pollution that produces in the vehicle operating process is also serious more.In order to reduce the influence of railroad noise, generally the railway sound barrier is set, with the route of transmission of truncation noise in the place that the resident is arranged.
In the prior art, the railway sound barrier is combined in a certain order by a plurality of sound barrier unit pieces, at present, a kind of typical railway sound barrier unit comprises upper cover plate, lower cover, front panel, postnotum, left plate and right plate, above-mentioned each plate makes up according to corresponding position, and, constitute a housing by the linkage connection; In order further to improve the noise reduction of railway sound barrier, also be provided with the sound absorption backing member in railway sound barrier unit housing inside, thereby can absorb acoustic energy further, fundamentally prevent the further propagation of noise, reach the purpose of noise reduction.
Yet, because the distance between railway sound barrier and the railroad track is less, each unit piece that constitutes the railway sound barrier is bearing the air pressure load of bigger pulsation, under the effect of this load, unary housing is easy to deform on the one hand, this not only can influence the aesthetics of railway sound barrier, but also can influence its defening effect; On the other hand, under the effect of the air pressure load of pulsing, the housing of railway sound barrier also can vibrate, and the vibration of housing can produce the secondary noise, and this has further influenced the sound insulation property of railway sound barrier; Moreover in order to reduce the distortion of unary housing under the effect of the air pressure load of pulsation, what generally unary size is provided with is less, and this has just caused the raising of railway sound barrier installation cost.
Therefore, how to reduce the deflection of the unary housing of railway sound barrier under external load function, and reduce the vibration effect, just become the technical problem that those skilled in the art press for solution at present.
The utility model content
The purpose of this utility model provides a kind of high speed railway sound barrier unit piece, and the unary housing of this high speed railway sound barrier has the ability of stronger opposing external load function, and the deflection under external load function is less, has defening effect preferably.Another purpose of the present utility model provides a kind of unary high speed railway sound barrier of above-mentioned high speed railway sound barrier that comprises.
For addressing the above problem, the utility model provides a kind of high speed railway sound barrier unit piece, comprise the housing that constitutes by upper cover plate, lower cover, postnotum, front panel, left plate and right plate, and the sound absorption material plate that is arranged at described enclosure interior, also comprise U type link, described U type link is arranged in the described housing, and is connected with described front panel, described upper cover plate, described postnotum and described lower cover by linkage.
Preferably, described sound absorption material plate is the K13 plate of material that is fixed in described postnotum.
Preferably, the thickness of described sound absorption material plate is 25.4mm.
Preferably, the number of described U type link is a plurality of, and evenly is provided with along the left and right directions of described housing.
Preferably, described front panel is a perforated plate.
Preferably, described linkage is a self threading pin.
For addressing the above problem, the utility model also provides a kind of high speed railway sound barrier, comprises interconnective a plurality of high speed railway sound barrier unit piece, and described high speed railway sound barrier unit piece is above-mentioned each described high speed railway sound barrier unit piece.
High speed railway sound barrier unit piece provided by the utility model, comprise the housing that constitutes by upper cover plate, lower cover, postnotum, front panel, left plate and right plate, and the sound absorption material plate that is arranged at enclosure interior, also comprise U type link, U type link is arranged in the housing, and is connected with front panel, upper cover plate, postnotum and lower cover by linkage.In assembling process, at first the lower cover level of housing is set level, place U type link then above it, the opening that makes U type link is towards the lower cover direction, and its span direction is parallel to the width of lower cover, then the inboard is fixed with the postnotum of sound absorption material plate and front panel and is positioned over respectively that (lower connecting plate is positioned at the both sides of the width of lower cover between U type link and the lower connecting plate, and be bent upwards), side with U type link is connected by linkage with postnotum with junction plate again, opposite side with U type link is connected by linkage with postnotum with junction plate simultaneously, after connection is finished, again upper cover plate is placed horizontally at the top of U type link, utilization is positioned at the both sides of width of upper cover plate and reclinate upper junction plate with U type link, in front panel and postnotum are included in, and respectively by linkage with upper junction plate, front panel is connected with a side of U type link, simultaneously by linkage with upper junction plate, postnotum is connected with the opposite side of U type link, finally left plate and right plate are connected in the left and right sides, form housing by linkage.Like this, high speed railway sound barrier unit piece provided by the utility model, because its enclosure interior is provided with U type link, thereby for housing provides certain support force, strengthened the ability of unit piece housing opposing external load function, thereby reduced the deflection of unit piece housing under the pulsation action of air pressure, not only can guarantee the defening effect of high speed railway sound barrier for a long time, and have higher aesthetics; Further, because unit piece has higher non-deformability, can suitably increase each unary size, thereby constitute the needed unary negligible amounts of same high speed railway sound barrier, make things convenient for the installation of high speed railway sound barrier, and reduced the installation cost of sound barrier.
In a kind of preferred implementation, the unary sound absorption material plate of high speed railway sound barrier provided by the utility model is the K13 plate of material that is fixed in described postnotum.The K13 plate of material has good acoustically effective, thereby has satisfied the further propagation that fundamentally prevents noise, realizes the purpose of noise reduction; Because the K13 plate of material is fixed on the postnotum, thereby strengthen the rigidity of postnotum, thereby further improved the non-deformability of postnotum; On the other hand, the K13 plate of material also has good damping characteristic, can absorb the mobile kinetic energy of the air that causes owing to vehicle ' well, therefore reduced the vibration of the housing of the high speed railway sound barrier that causes owing to air energy, prevent the secondary generating noise, guaranteed the sound insulation property of high speed railway sound barrier.
The unary beneficial effect of the beneficial effect of high speed railway sound barrier provided by the utility model and high speed railway sound barrier is similar, does not repeat them here.
Description of drawings
The unary schematic perspective view of high speed railway sound barrier that Fig. 1 is provided for a kind of specific embodiment of the utility model;
Fig. 2 is the unary cross-sectional schematic of high speed railway sound barrier shown in Figure 1;
The schematic perspective view of the unary U type of the high speed railway sound barrier link that Fig. 3 is provided for a kind of specific embodiment of the utility model;
The schematic perspective view of the unary front panel of high speed railway sound barrier that Fig. 4 is provided for a kind of specific embodiment of the utility model;
The unary left plate of high speed railway sound barrier that Fig. 5 is provided for a kind of specific embodiment of the utility model or the schematic perspective view of right plate;
The schematic perspective view of the unary upper cover plate of high speed railway sound barrier that Fig. 6 is provided for a kind of specific embodiment of the utility model;
The schematic perspective view of the unary lower cover of high speed railway sound barrier that Fig. 7 is provided for a kind of specific embodiment of the utility model.
The specific embodiment
Core of the present utility model provides a kind of high speed railway sound barrier unit piece, and the unary housing of this high speed railway sound barrier has the ability of stronger opposing external load function, and the deflection under external load function is less, has defening effect preferably.Another core of the present utility model provides a kind of unary high speed railway sound barrier of above-mentioned high speed railway sound barrier that comprises.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1 to Fig. 3, the unary schematic perspective view of high speed railway sound barrier that Fig. 1 is provided for a kind of specific embodiment of the utility model; Fig. 2 is the unary cross-sectional schematic of high speed railway sound barrier shown in Figure 1; The schematic perspective view of the unary U type of the high speed railway sound barrier link that Fig. 3 is provided for a kind of specific embodiment of the utility model.
As shown in FIG., in a kind of specific embodiment, high speed railway sound barrier unit piece provided by the utility model, comprise upper cover plate 2, lower cover 4, postnotum 3, front panel 7, left plate 1 and right plate (not shown), more than the housing that connects and composes by linkage of each plate, enclosure interior is provided with the sound absorption material plate, also comprises U type link 6, U type link 6 is arranged in the housing, and is connected with front panel 7, upper cover plate 2, postnotum 3 and lower cover 4 by linkage.
Particularly, as herein described is up and down the direction of arrow A indication among Fig. 1, and wherein the top of Fig. 1 is last, and the below is down; Front and back as herein described are the direction of arrow C indication among Fig. 1, after the side that wherein can see is, before a side that is covered is; Be the direction of arrow B indication among Fig. 1 about as herein described, the side that wherein can see is a left side, and a side that is covered is for right; High-speed railway as herein described is meant that speed per hour reaches or surpasses the railway transportation of 200km/h.
Please refer to Fig. 5 to Fig. 7, the unary left plate of high speed railway sound barrier that Fig. 5 is provided for a kind of specific embodiment of the utility model or the schematic perspective view of right plate; The schematic perspective view of the unary upper cover plate of high speed railway sound barrier that Fig. 6 is provided for a kind of specific embodiment of the utility model; The schematic perspective view of the unary lower cover of high speed railway sound barrier that Fig. 7 is provided for a kind of specific embodiment of the utility model.
As shown in FIG., connect for convenient, upper cover plate 2 comprises the upper junction plate 21 of the both sides that are arranged at its level board respectively, and lower cover 4 comprises the lower connecting plate 41 of the both sides that are arranged at its level board respectively.
In assembling process, at first lower cover 4 levels of housing are set level, place U type link 7 then above it, make the direction of the opening of U type link 6 towards lower cover 4, and its span direction is parallel to the width of lower cover 1, then the inboard is fixed with the postnotum 3 of sound absorption material plate 5 and front panel 7 and is positioned over respectively that (lower connecting plate 41 is positioned at the both sides of the width of lower cover 4 between U type link 6 and the lower connecting plate 41, and be bent upwards), again a side of U type link 6 and lower connecting plate 41 and postnotum 3 are connected by linkage, simultaneously the opposite side of U type link 6 and lower connecting plate 41 and postnotum 3 are connected by linkage, after connection is finished, again upper cover plate 2 is placed horizontally at the top of U type link 6, utilization is positioned at the both sides of width of upper cover plate 2 and reclinate upper junction plate 21 with U type link 6, in front panel 7 and postnotum 3 are included in, and respectively by linkage with upper junction plate 21, front panel 7 is connected with a side of U type link 6, simultaneously by linkage with upper junction plate 21, postnotum 3 is connected with the opposite side of U type link 6, finally left plate 1 and right plate are connected in the left and right sides, form housing by linkage.Particularly, connect for convenient, above-mentioned linkage can be self threading pin 9.
As can be seen, high speed railway sound barrier unit piece provided by the utility model, its enclosure interior is provided with U type link 6, thereby for housing provides certain support force, strengthened the ability of unit piece housing opposing external load function, thereby reduced the deflection of unit piece housing under the pulsation action of air pressure, not only can guarantee the defening effect of high speed railway sound barrier for a long time, and have higher aesthetics; Further, because unit piece has higher non-deformability, can suitably increase each unary size, thereby constitute the needed unary negligible amounts of same high speed railway sound barrier, make things convenient for the installation of high speed railway sound barrier, and reduced the installation cost of sound barrier.
Certainly, in order to improve support effect, a plurality of U type links 6 can be set in a high speed railway sound barrier unit piece, and each U type link 6 evenly is provided with along the left and right directions of housing.
In the another kind of specific embodiment, as shown in Figure 2, the unary sound absorption material plate 5 of high speed railway sound barrier provided by the utility model can be for being fixed in the K13 plate of material of postnotum 3, specifically can form by spraying on postnotum 3, promptly in advance the K13 material is sprayed on the medial surface of postnotum 3, and then assemble according to above-described mode, form the high speed railway sound barrier unit piece, certainly, for the reliability that guarantees to connect, can also will remove with the K13 material of U type link 6 link positions on the postnotum 3.
The K13 plate of material has good acoustically effective, has satisfied the further propagation that fundamentally prevents noise, realizes the purpose of noise reduction; Further,, thereby strengthened the rigidity of postnotum 3, thereby further improved the non-deformability of postnotum 3 owing to the K13 plate of material forms by being sprayed on the postnotum 3; On the other hand, the K13 plate of material also has good damping characteristic, can absorb the mobile kinetic energy of the air that causes owing to vehicle ' well, therefore reduced the vibration of the housing of the high speed railway sound barrier that causes owing to air energy, prevent the secondary generating noise, guaranteed the sound insulation property of high speed railway sound barrier.
Further, the thickness that can make the sound absorption material plate is 25.4mm, like this, not only can satisfy the requirement that guarantees acoustically effective and damping, and can reduce employed K13 material, reduces manufacturing cost.
Please refer to Fig. 4, the schematic perspective view of the unary front panel of high speed railway sound barrier that Fig. 4 is provided for a kind of specific embodiment of the utility model.
As shown in FIG., the unary front panel 7 of high speed railway sound barrier provided by the utility model can be perforated plate, like this, noise enters the cavity in the cell cube from the center of the through hole 71 of front panel 7, after reflecting again, consumed part acoustic energy, sound can reduce, thereby has further improved the defening effect of high speed railway sound barrier.
Except above-mentioned high speed railway sound barrier unit piece, the utility model also provides a kind of unary high speed railway sound barrier of above-mentioned high speed railway sound barrier that comprises, the structure of these other each several parts of high speed railway sound barrier please refer to prior art, and this paper repeats no more.
More than high speed railway sound barrier provided by the utility model and unit piece thereof are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (7)
1. high speed railway sound barrier unit piece, comprise the housing that constitutes by upper cover plate (2), lower cover (4), postnotum (3), front panel (7), left plate (1) and right plate, and the sound absorption material plate (5) that is arranged at described enclosure interior, it is characterized in that, also comprise U type link (6), described U type link (6) is arranged in the described housing, and is connected with described front panel (7), described upper cover plate (2), described postnotum (3) and described lower cover (4) by linkage.
2. high speed railway sound barrier unit piece according to claim 1 is characterized in that, described sound absorption material plate (5) is for being fixed in the K13 plate of material of described postnotum (3).
3. high speed railway sound barrier unit piece according to claim 2 is characterized in that, the thickness of described sound absorption material plate (5) is 25.4mm.
4. according to each described high speed railway sound barrier unit piece of claim 1 to 3, it is characterized in that the number of described U type link (6) is a plurality of, and evenly be provided with along the left and right directions of described housing.
5. according to each described high speed railway sound barrier unit piece of claim 1 to 3, it is characterized in that described front panel (7) is a perforated plate.
6. according to each described high speed railway sound barrier unit piece of claim 1 to 3, it is characterized in that described linkage is self threading pin (9).
7. a high speed railway sound barrier comprises interconnective a plurality of high speed railway sound barrier unit piece, it is characterized in that, described high speed railway sound barrier unit piece is each described high speed railway sound barrier unit piece of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205240795U CN201857583U (en) | 2010-09-10 | 2010-09-10 | Sound barrier of high-speed railway and unit component thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205240795U CN201857583U (en) | 2010-09-10 | 2010-09-10 | Sound barrier of high-speed railway and unit component thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201857583U true CN201857583U (en) | 2011-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205240795U Expired - Lifetime CN201857583U (en) | 2010-09-10 | 2010-09-10 | Sound barrier of high-speed railway and unit component thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201857583U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015338A (en) * | 2013-01-08 | 2013-04-03 | 山西尚风科技股份有限公司 | Sound barrier unit board device for preventing noise pollution |
-
2010
- 2010-09-10 CN CN2010205240795U patent/CN201857583U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015338A (en) * | 2013-01-08 | 2013-04-03 | 山西尚风科技股份有限公司 | Sound barrier unit board device for preventing noise pollution |
| CN103015338B (en) * | 2013-01-08 | 2015-09-02 | 山西尚风科技股份有限公司 | A kind of acoustic barrier unit board device of governing noise pollution |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110608 |
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| CX01 | Expiry of patent term |