CN216040442U

CN216040442U - Sound absorbing plate for track, track and noise reduction system

Info

Publication number: CN216040442U
Application number: CN202120006256.9U
Authority: CN
Inventors: 杨博; 王博; 张传胜; 褚卫东; 姚莹华
Original assignee: Hubei Yusheng Environmental Technology Co ltd; Zhejiang Tiantie Industry Co Ltd
Current assignee: Hubei Yusheng Environmental Technology Co ltd; Zhejiang Tiantie Industry Co Ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2022-03-15
Anticipated expiration: 2031-01-04

Abstract

The utility model relates to a sound-absorbing board for a track, which comprises a body capable of approaching a steel rail, wherein the body is provided with an embedded section capable of being embedded into a gap between two adjacent sleepers, the body is also provided with a splicing section capable of being abutted to the other adjacent body, and the upper surface of the body is a wavy surface. The connection mode between the sound-absorbing board and the track bed board can adopt the forms of track bed punching, steel bar embedding, rapid hardening mortar pouring and the like, can ensure the normal running of the existing line, and can reinforce the track bed structure. A track is also provided, which comprises the sound-absorbing plate. A noise reduction system is also provided, comprising the sound absorption plate. The abatvoix granule on the in-process railway bed board of driving uses the principle that the sound wave passes through gradually, improves the high frequency and inhales the sound and reduce the effect of air pressure wave, reduces the influence of pressure wave to the vehicle, and the body structure closes on the track, can alleviate the sound wave pressure in this region.

Description

Sound absorbing plate for track, track and noise reduction system

Technical Field

The utility model relates to the technical field of rail silencing, in particular to a sound absorption plate for a rail, the rail and a noise reduction system.

Background

With the rapid development of Chinese economy and the continuous acceleration of urbanization process, the traffic modes of highways, railways, urban rail transit and the like are rapidly developed, the roads are inevitably required to pass through populated areas with concentrated population when being built, and the generated traffic noise brings certain interference to the work, life and study of residents nearby the roads. For the track, when the train is passing, the prior art usually adopts the sound barrier to block and keep apart sound, makes sound reduce in certain extent, does not carry out noise reduction from the sound source.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an acoustic board for a track, the track and a noise reduction system, which can at least solve part of defects in the prior art.

In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions: the utility model provides a track is with abatvoix, includes the body that can close on the rail setting, the body has the embedding section that can imbed in the clearance between two adjacent sleepers, the body still has the concatenation section that can adjoin with another adjacent body, the upper surface of body is the wave surface.

Further, there are two embedded sections, and the two embedded sections are respectively located on one opposite side of the body.

Further, there are two splicing sections, and the two splicing sections are respectively located on the other opposite side of the body.

Further, the body is provided with a first hole penetrating through the upper surface and the lower surface of the body, and the first hole is used for planting bars and pouring mortar.

Furthermore, the body is internally provided with ceramsite and concrete mortar.

The embodiment of the utility model provides another technical scheme: the utility model provides a track, includes the railway roadbed board and locates two sleeper groups on the railway roadbed still include foretell track and use the abatvoix, every sleeper group includes a plurality of sleepers, the body is located on the railway roadbed board, the body the embedding section imbeds between the adjacent sleeper of any sleeper group, track is with the abatvoix has the polylith, and is adjacent track is with the abatvoix even as a whole through its concatenation section.

Further, the track is with abatvoix pass through mortar and reinforcing bar with the bed board links up, the bed board has the second hole that supplies the reinforcing bar to insert.

Furthermore, the body between two sleepers is a middle block, the middle block is provided with two embedded sections which are respectively arranged on one opposite side and two splicing sections which are respectively arranged on the other opposite side, and the middle block is in a cross shape.

Furthermore, the body that is located the track outside is the limit piece, the limit piece has an embedding section and divides two concatenation sections of locating an opposite side, the limit piece is the type of dogging.

The embodiment of the utility model provides another technical scheme: a noise reduction system comprises the sound absorption plate for the track.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the wave face, use the principle that the sound wave passes through gradually, improve the high frequency and inhale the sound and reduce the effect of air pressure wave, be favorable to alleviating sound wave pressure, reduce the influence of pressure wave to the vehicle, the sleeper is close to most structure of body, can alleviate the sound wave pressure in this region, then the embedding section of body stretches into between the adjacent sleeper, also can alleviate the sound wave pressure in this region.

2. The connection mode of the sound-absorbing board and the track can adopt the forms of punching, bar planting, pouring quick setting mortar and the like, thereby not only ensuring the normal running of the existing line, but also stabilizing the ballast bed structure. In addition, the first hole needs to be drilled at a proper position of the sound absorption plate according to the site. The sound-absorbing board is connected with the ballast bed by mortar.

Drawings

Fig. 1 is a schematic view of a sound-absorbing panel for a track, which is a middle block according to an embodiment of the present invention;

fig. 2 is a schematic view of an acoustic panel for a track according to an embodiment of the present invention, in the form of an edge block;

FIG. 3 is a schematic view of FIG. 1 with a first hole;

FIG. 4 is a schematic view of FIG. 2 with a first hole;

FIG. 5 is a schematic view of a track according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of FIG. 5;

FIG. 7 is an enlarged view taken at A of FIG. 5;

in the reference symbols: 1-body; 10-an embedding section; 11-splicing section; 12-a wavy surface; 13-a first hole; 14-middle block; 15-edge blocks; 20-ballast bed plate; 21-mortar; 22-steel rail; 23-a fastener; 24-planting bar glue; 25-sleeper.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 7, an embodiment of the utility model provides a sound-absorbing panel for a track, which comprises a body that can be arranged adjacent to a steel rail, the body is provided with an embedded section 10 that can be embedded into a gap between two adjacent sleepers 25, the body is also provided with a splicing section 11 that can be adjacent to another adjacent body, and the upper surface of the body is a wavy surface 12. In this embodiment, through wave face 12, use the principle that the sound wave passes through gradually, improve the high frequency and inhale the sound and reduce the effect of air pressure wave, be favorable to alleviating sound wave pressure, reduce the influence of pressure wave to the vehicle, the most structure of body closes on sleeper 25, can alleviate the sound wave pressure in this region, then the embedding section 10 of body stretches into between the adjacent sleeper 25, also can alleviate the sound wave pressure in this region. Specifically, the body has two forms, one form is arranged between two sleeper sets, the body can be defined as a middle block 14 which has two embedded sections 10 respectively embedded in the gaps of two adjacent sleepers 25 of the two sleeper sets, then the body also has two splicing sections 11 for splicing with the adjacent body, after the splicing is completed, an integral piece can be formed, the sound wave pressure in the area can be relieved, so that the whole shape of the middle block 14 is cross-shaped, the second form is arranged on the outer side of the track, the body can be defined as an edge block 15 which has only one embedded section 10 and can be embedded between two adjacent sleepers 25 of the outer sleeper set, and the splicing sections 11 can also be provided with two sections for splicing with the adjacent body. The splicing mentioned in this embodiment may be a connection form in which two planes are aligned directly with a plane, or may be a form of clamping, and it only needs to be ensured that two bodies can be aligned with each other regardless of being on a linear track or a curved track, which is not limited in this embodiment.

Referring to fig. 3, 4 and 5, as an optimized solution of the embodiment of the present invention, the body has a first hole 13 penetrating through the upper and lower surfaces of the body, and the first hole 13 is used for planting a rib and pouring mortar. In this embodiment, the first hole 13 is formed in the body, so that the body can be conveniently fixed on the track bed plate 20. The fixing form is various, for example, the steel bar is adopted for fixing, holes are formed in the original track bed plate, the bar planting glue 24 is arranged on the bar planting, and other forms can also be adopted, and the embodiment does not limit the fixing form. As an optimized scheme of the embodiment of the utility model, the body is internally provided with ceramsite and concrete mortar. In this embodiment, the body adopts haydite and concrete mortar preparation to form, and the haydite can make this internal cellular continuous pore that has, can play the effect of inhaling the sound, produces the wide band response to the sound wave simultaneously, has guaranteed its high strength and the durability of inhaling sound effect and body to still have good water permeability effect, can discharge ponding smoothly, the inside micropore of cooperation haydite itself reaches better sound absorbing effect. After the sound-absorbing board is laid on the track bed, when sound waves encounter various solid materials in the transmission process, a part of sound energy is reflected, a part of sound energy enters the interior of the materials to be absorbed, and a small part of sound energy is transmitted to the other side. Incident sound waves enter the sound-absorbing board laid on the surface of the ballast bed through the board holes to cause air vibration inside the holes, and vibration energy (sound energy) is continuously converted into heat energy under the action of air friction and viscosity, so that the sound waves are attenuated, and the purpose of reducing noise is achieved.

Referring to fig. 5, 6 and 7, an embodiment of the present invention provides a track, including a track bed plate 20, two sleeper groups disposed on the track bed, and the sound-absorbing board for track described above, where each sleeper group includes a plurality of sleepers 25, the body is disposed on the track bed plate 20, the embedding section 10 of the body is embedded between adjacent sleepers 25 of any one of the sleeper groups, the sound-absorbing board for track includes a plurality of sound-absorbing boards, and the adjacent sound-absorbing boards for track are connected into a whole through the splicing sections 11 thereof. In this embodiment, with foretell abatvoix in the track, through wave face 12, use the principle that the sound wave passes through gradually, improve the high frequency and inhale the sound and reduce the effect of air pressure wave, be favorable to alleviating sound pressure, reduce the influence of pressure wave to the vehicle, the most structure of body closes on sleeper 25, can alleviate this regional sound pressure, then embedding section 10 of body stretches into between adjacent sleeper 25, also can alleviate this regional sound pressure. Specifically, the track has two rails 22 arranged along the same direction, rail 22 is provided with fasteners 23, two rails 22 are respectively arranged on two sleeper groups, each sleeper group is provided with a plurality of sleepers 25 arranged at intervals, the middle block 14 is arranged between the two sleeper groups, the middle blocks 14 form a whole sound absorption structure, the side blocks 15 are arranged on two sides of the track, and the side blocks 15 also form a whole sound absorption structure.

As an optimized solution of the embodiment of the present invention, please refer to fig. 6, the sound-absorbing board for track is connected to the track bed board 20 through mortar 21 and steel bars, and the track bed board 20 has second holes for inserting the steel bars. In this embodiment, the sound-absorbing board and the track bed plate 20 are stably connected by mortar 21 and steel bars, wherein the second hole is communicated with the first hole 13, and the steel bars can be inserted into the second hole of the track bed plate 20 from the first hole 13 of the sound-absorbing board, and then connected by mortar injection.

As an optimized solution of the embodiment of the present invention, please refer to fig. 6, the body located between the two sleepers 25 is a middle block 14, the middle block 14 has two embedded sections 10 respectively disposed on one opposite side and two splicing sections 11 respectively disposed on the other opposite side, and the middle block 14 is in a cross shape. In addition, the body located outside the track is the side block 15, the side block 15 has one embedded section 10 and two splicing sections 11 respectively arranged on the opposite sides, and the side block 15 is in a convex shape. In this embodiment, the body has two forms, one form is set between two sleeper sets, the body can be defined as a middle block 14, it has two embedded sections 10, which are respectively embedded in the gaps of two adjacent sleepers 25 of two sleeper sets, then it also has two splicing sections 11, which can be spliced with the adjacent body, after the splicing is completed, it will form an integral piece, which can relieve the sound pressure in this area, so the whole shape of the middle block 14 is cross-shaped, the second form is set on the outside of the track, the body can be defined as an edge block 15, it has only one embedded section 10, which can be embedded between two adjacent sleepers 25 of the outside sleeper set, the splicing section 11 can also be set two sections, which are used for splicing with the adjacent body. The splicing mentioned in this embodiment may be a connection form in which two planes are aligned directly with a plane, or may be a form of clamping, and it only needs to be ensured that two bodies can be aligned with each other regardless of being on a linear track or a curved track, which is not limited in this embodiment.

The embodiment of the utility model provides a noise reduction system which comprises the sound absorption plate for the track. In the present embodiment, the sound-absorbing panel described above is used in a noise reduction system, and can be used in conjunction with noise reduction-related devices such as a sound barrier and a noise monitoring mechanism.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a track is with abatvoix, includes the body that can close on the rail, its characterized in that: the body is provided with an embedding section which can be embedded into a gap between two adjacent sleepers, the body is also provided with a splicing section which can be abutted against another adjacent body, and the upper surface of the body is a wavy surface.

2. The sound-absorbing panel for a track as claimed in claim 1, wherein: the embedded sections are two, and the two embedded sections are respectively positioned on one opposite side of the body.

3. The sound-absorbing panel for a track as claimed in claim 1, wherein: the splicing sections are two, and the two splicing sections are respectively positioned on the other opposite side of the body.

4. The sound-absorbing panel for a track as claimed in claim 1, wherein: the body is provided with a first hole penetrating through the upper surface and the lower surface of the body, and the first hole is used for planting bars and pouring mortar.

5. The sound-absorbing panel for a track as claimed in claim 1, wherein: the body is internally provided with ceramsite and concrete mortar.

6. The utility model provides a track, includes the railway roadbed board and locates two sleeper groups on the railway roadbed, its characterized in that: the track sound-absorbing board further comprises the sound-absorbing board for the track as claimed in any one of claims 1 to 5, wherein each sleeper group comprises a plurality of sleepers, the body is arranged on the track bed board, the embedding section of the body is embedded between the adjacent sleepers of any one sleeper group, the sound-absorbing board for the track is provided with a plurality of sound-absorbing boards, and the adjacent sound-absorbing boards for the track are connected into a whole through the splicing sections.

7. The track of claim 6, wherein: the track is with abatvoix pass through mortar and reinforcing bar with the bed board links up, the bed board has the second hole that supplies the reinforcing bar to insert.

8. The track of claim 6, wherein: the body between two sleepers is the middle piece, the middle piece has two embedded sections of locating an opposite side separately and locates two concatenation sections of another opposite side separately, the middle piece is the cross.

9. The track of claim 6, wherein: the body that is located the track outside is the limit piece, the limit piece has one and imbeds the section and locates two concatenation sections of an opposite side separately, the limit piece is the type of protruding.

10. A noise reduction system, characterized by: comprising the sound-absorbing panel for rails as claimed in any one of claims 1 to 5.