CN214992723U

CN214992723U - Novel ballast bed acoustic board and acoustic board subassembly

Info

Publication number: CN214992723U
Application number: CN202120599917.3U
Authority: CN
Inventors: 姚国伟; 周铁城; 高仕锋; 高文杰; 乔峥
Original assignee: Jiangsu Yushuo New Material Technology Co ltd
Current assignee: Jiangsu Yushuo New Material Technology Co ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-12-03
Anticipated expiration: 2031-03-24

Abstract

The utility model discloses a novel railway roadbed abatvoix and abatvoix subassembly, including inhaling the sound plate piece, it includes the shale haydite sheet layer that is used for following the permeable to water support sheet layer and is used for inhaling the sound of thickness direction to inhale the sound plate piece, permeate water support sheet layer with the range upon range of setting of shale haydite sheet layer and the two formula fixed connection that solidifies. The utility model provides a novel ballast bed abatvoix, including permeating water and supporting sheet layer and shale haydite sheet layer, permeate water and support the intensity that the sheet layer is used for guaranteeing the abatvoix, shale haydite sheet layer is used for realizing the function of inhaling the sound, improves the intensity of inhaling the sound plate when not influencing and inhaling the sound performance of sound plate.

Description

Novel ballast bed acoustic board and acoustic board subassembly

Technical Field

The utility model belongs to the technical field of making an uproar falls in the rail transit equipment, concretely relates to novel railway roadbed abatvoix and abatvoix subassembly.

Background

With the continuous enhancement of environmental protection consciousness in China, how to reduce railway noise is a problem which needs to be solved urgently. The railway track acoustic panel is applied to rail transit at home and abroad as a technical measure for effectively reducing wheel track noise.

The sound-absorbing plate assembly of the track bed in the prior art generally comprises a plurality of sound-absorbing plates which are sequentially arranged along the longitudinal direction of the running train, and each sound-absorbing plate is formed by mixing and pressing ceramsite and concrete. The strength performance of the ceramsite is poor, and how to improve the strength of the sound-absorbing plate on the premise of ensuring the sound-absorbing effect is a technical problem to be solved urgently in the field.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problem that the sound absorbing plate intensity is not high among the prior art is overcome.

For solving the technical problem, the utility model provides a novel railway roadbed abatvoix, including inhaling the sound plate piece, it includes the shale haydite sheet layer that is used for following the permeable to water support sheet layer and is used for inhaling the sound of thickness direction to inhale the sound plate piece, the support sheet layer that permeates water with the range upon range of setting of shale haydite sheet layer and the two formula fixed connection that solidifies.

Furthermore, the supporting plate layer that permeates water is the sand base porous disk.

Furthermore, the shale ceramsite plate layer is a ceramsite concrete plate.

Furthermore, the free surface of the shale ceramsite plate layer is of a sound absorption wedge structure, the sound absorption wedge structure comprises a plurality of trapezoidal protrusions and a plurality of V-shaped groove portions, the trapezoidal protrusions and the V-shaped groove portions are alternately arranged, and the trapezoidal protrusions and the V-shaped groove portions extend along the direction of movement of the noise source or the trapezoidal protrusions and the V-shaped groove portions extend along the direction perpendicular to the direction of movement of the noise source.

Furthermore, the joint surface of the permeable support plate layer and the shale ceramsite plate layer is a concave-convex joint surface.

Further, the sound-absorbing plate has two side surfaces facing the rail, and the middle portions of the two side surfaces protrude outward to form rectangular lug portions.

The utility model discloses still provide another technical scheme: the utility model provides a novel sound-absorbing slab assembly of railway roadbed, includes the polylith as above novel railway roadbed abatvoix, polylith the sound-absorbing slab sets gradually, adjacent two along noise source moving direction the sound-absorbing slab piece splices together.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the utility model provides a novel ballast bed abatvoix, including permeating water and supporting sheet layer and shale haydite sheet layer, permeate water and support the intensity that the sheet layer is used for guaranteeing the abatvoix, shale haydite sheet layer is used for realizing the function of inhaling the sound, improves the intensity of inhaling the sound plate when not influencing and inhaling the sound performance of sound plate.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

FIG. 1 is a schematic view of one of the shapes of the acoustical panel of the present invention;

FIG. 2 is a schematic view of the cross-section of FIG. 1A-A;

fig. 3 is a schematic view of the sound absorbing plate assembly of the present invention.

10, sound absorption plates; 11. a permeable support slab layer; 12. a shale ceramsite board layer; 13. a free surface; 14. a side surface; 20. a track; 30. a sleeper.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further improvements to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise. In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure. In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.

The following is a preferred embodiment of the present invention, but is not intended to limit the scope of the present invention.

Example one

Referring to fig. 1 and 2, as shown in the drawings, a novel track bed acoustic board comprises an acoustic board block 10, wherein the acoustic board block 10 comprises a water permeable support board layer 11 for permeating water in the thickness direction and a shale ceramsite board layer 12 for absorbing sound, and the water permeable support board layer 11 and the shale ceramsite board layer 12 are stacked and fixedly connected in a solidification mode.

In the preferred embodiment of the present embodiment, the water-permeable supporting plate layer 11 is a sand-based water-permeable plate.

In the preferred embodiment of the present embodiment, the shale ceramsite slab layer 12 is a ceramsite concrete slab.

In a preferred embodiment of the present invention, the free surface 13 of the shale ceramsite board layer 12 is a wedge-shaped sound-absorbing structure, the wedge-shaped sound-absorbing structure includes a plurality of trapezoidal protrusions and a plurality of V-shaped groove portions, the trapezoidal protrusions and the V-shaped groove portions are alternately arranged, and the trapezoidal protrusions and the V-shaped groove portions extend along the noise source moving direction or the trapezoidal protrusions and the V-shaped groove portions extend along a direction perpendicular to the noise source moving direction.

In the preferred embodiment of this embodiment, the joint surface between the water-permeable support slab layer 11 and the shale ceramsite slab layer 12 is a rugged joint surface.

In the preferred embodiment of the present embodiment, the sound absorbing panel block 10 has two side surfaces 14 for facing the rail, and a middle portion of the two side surfaces 14 is protruded outward to form a rectangular lug portion.

During actual manufacturing, a permeable supporting plate layer material can be paved, then a shale ceramsite plate layer material is paved on the permeable supporting plate layer material, and after solidification, the permeable supporting plate layer material and the shale ceramsite plate layer material are solidified together.

Referring to fig. 3, as shown in the figure, a novel sound-absorbing slab assembly for track bed comprises a plurality of novel sound-absorbing slab blocks as above, wherein the plurality of sound-absorbing slab blocks 10 are arranged in sequence along the moving direction of the noise source, and two adjacent sound-absorbing slab blocks 10 are spliced together.

The acoustical tiles 10 have various shapes, but all include a water permeable support slab layer and a shale ceramsite slab layer. The sound absorption plate assemblies are arranged between the two rails 20 and on two sides of the two rails 20, so that the purpose of absorbing noise generated by railways is achieved. The sound absorbing plate 10 is provided with a corner lacking position to form a rectangular lug, the corner lacking position is to avoid the sleeper 30, the rectangular lug makes full use of the space, and the sound absorbing area is enlarged.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention, including by way of illustration of the disclosed embodiments. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a novel ballast bed abatvoix, is including inhaling the sound plate, its characterized in that, it includes the shale haydite sheet layer that is used for following the permeable water of thickness direction and supports the sheet layer and be used for inhaling the sound to inhale the sound plate, permeate water support the sheet layer with the range upon range of setting of shale haydite sheet layer and the two formula fixed connection that solidifies.

2. The novel track bed acoustic panel of claim 1 wherein said water permeable support slab layer is a sand-based water permeable panel.

3. The novel ballast bed acoustic panel of claim 1, wherein said shale ceramsite slab layer is a ceramsite concrete slab.

4. The novel ballast bed sound-absorbing board as claimed in claim 1, wherein the free surface of the shale ceramsite board layer is a wedge-shaped sound-absorbing structure, the wedge-shaped sound-absorbing structure comprises a plurality of trapezoidal protrusions and a plurality of V-shaped groove portions, the trapezoidal protrusions and the V-shaped groove portions are alternately arranged, and the trapezoidal protrusions and the V-shaped groove portions extend along the direction of the noise source moving direction or the trapezoidal protrusions and the V-shaped groove portions extend along the direction perpendicular to the direction of the noise source moving direction.

5. The novel ballast bed acoustic panel of claim 1, wherein the interface of said water permeable support slab layer and said shale ceramsite slab layer is a rugged interface.

6. The novel track bed sound-absorbing panel as claimed in claim 1, wherein said panel has two side surfaces for facing the track, and a central portion of said two side surfaces is outwardly projected to form a rectangular lug portion.

7. A novel sound-absorbing slab assembly for a track bed, comprising a plurality of novel sound-absorbing slabs as claimed in any one of claims 1 to 6, wherein the plurality of sound-absorbing slabs are arranged in sequence along the moving direction of a noise source, and two adjacent sound-absorbing slabs are spliced together.