Sound absorption railway ballast cover plate

Abstract

The utility model discloses a sound absorption railway ballast cover plate which comprises a first cover plate body and a second cover plate body, the first cover plate body covers the top of the second cover plate body, and the two opposite sides of the edge of the bottom of the first cover plate body are connected with the two opposite sides of the edge of the top of the second cover plate body through connecting parts. According to the utility model, the design structure is reasonable, and the H-shaped connecting part is arranged between the first cover plate main body and the second cover plate main body, so that the first cover plate main body and the second cover plate main body are connected up and down through the connecting part; meanwhile, the cover plate is adjacent to the other group of the first cover plate main body and the second cover plate main body which are adjacent left and right, and the two adjacent first cover plate main bodies and the second cover plate main bodies are pulled and assembled into a whole, so that the stability is improved, and the problems that when one of a plurality of cover plates on an existing groove is damaged and falls off, the nearby cover plate is easy to move, and the service life is influenced are solved. And the stability of the whole cover plate system is influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to sound absorption ballast cover plate technical field, specifically is a sound absorption ballast cover plate. BACKGROUND

[0002] Ballast cover plate is a kind of building material used in railway, highway and other transportation infrastructure, mainly used to cover ballast, protect ballast bed and provide drainage function, especially in railway tunnel, marshalling station, section station and other places have wide application.

[0003] In the Chinese utility model patent with the publication number CN219653877U, a kind of integral prefabricated sound absorption cover plate is disclosed, a rectangular limit slot is arranged at the top of water tank, cover plate main body is embedded into limit slot by limit block, several cover plate main bodies are covered in turn at the top of water tank, however, in use, the horizontal direction of several cover plate main bodies in rectangular slot mainly relies on its own gravity and the mutual abutment between cover plate main bodies after being covered completely without movable space, when one of cover plate main bodies falls off, the side of the cover plate main body near the damaged cover plate main body has movable space, and the cover plate main body on the other side cannot directly provide pulling force, so that the cover plate main body is prone to move, thereby affecting the stability of the entire cover plate system. UTILITY MODEL CONTENT

[0004] The utility model aims at making up for the deficiency of prior art, provide a kind of sound absorption ballast cover plate.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of sound absorption ballast cover plate, including first cover plate main body and second cover plate main body, first cover plate main body covers in the top of second cover plate main body, and the opposite sides of first cover plate main body bottom edge and the opposite sides of second cover plate main body top edge are connected by connecting portion, to play the role of fixing first cover plate main body and second cover plate main body;

[0007] Connecting portion is H type structure, after the assembly of several first cover plate main body and second cover plate main body from left to right, the bottom end of the left side of H type structure is inserted with the top of first second cover plate main body, the top of the left side of H type structure is inserted with the bottom of first first cover plate main body, the bottom end and the top of the right side of H type structure are inserted with the top of second second cover plate main body and the bottom of first cover plate main body respectively, in turn, to make the first cover plate main body and second cover plate main body connected by connecting portion pulling positioning.

[0008] Further, the side of first cover plate main body and second cover plate main body close to each other is provided with cavity, and sound absorption assembly is arranged in cavity, to play the role of reducing noise;

[0009] The top of the first cover plate body is also provided with a plurality of sound absorption holes, and the bottoms of the plurality of sound absorption holes are communicated with the cavity.

[0010] Further, the sound absorption assembly comprises a first sound absorption pad and a second sound absorption pad, and the first sound absorption pad and the second sound absorption pad are arranged inside the cavity.

[0011] The first sound absorption pad is a glass wool plate.

[0012] The second sound absorption pad is a slag wool plate.

[0013] Further, the top of the second cover plate body is symmetrically provided with a group of handles, and the bottom of the first cover plate body is provided with a group of storage grooves at positions opposite to the handles, so that the handles are inserted into the storage grooves after the first cover plate body and the second cover plate body are combined.

[0014] Further, the bottom of the first cover plate body is provided with a plurality of first connecting channels, and the tops of the plurality of first connecting channels are respectively communicated with corresponding sound absorption holes.

[0015] The opposite two side edges of the first sound absorption pad and the second sound absorption pad are respectively provided with a plurality of openings, and the plurality of openings of the first sound absorption pad and the plurality of openings of the second sound absorption pad are sequentially and correspondingly communicated, so that the plurality of communicated openings form a plurality of third connecting channels, and the tops of the plurality of third connecting channels are respectively communicated with the plurality of first connecting channels.

[0016] The top of the second cover plate body is provided with fourth connecting channels at both edges inside the cavity, and the bottom of the second cover plate body is provided with a plurality of second connecting channels, and the tops of the plurality of second connecting channels and the bottoms of the plurality of third connecting channels are respectively communicated through corresponding fourth connecting channels.

[0017] Further, the bottom of the first cover plate body is symmetrically provided with a second clamping groove at an edge, and the inner wall of the second clamping groove is clamped with the top of the connecting part.

[0018] The top of the second cover plate body is symmetrically provided with a first clamping groove at an edge, and the inner wall of the first clamping groove is clamped with the bottom of the connecting part.

[0019] Compared with the prior art, the sound absorption ballast cover plate has the following beneficial effects:

[0020] The utility model discloses a first cover plate body and second cover plate body are set up to the upper and lower, and be provided with the connecting portion of H type between the first cover plate body and second cover plate body, make the connecting portion connect the upper and lower first cover plate body and second cover plate body, make it with the first cover plate body and second cover plate body of another group adjacent to left and right adjacent, make its two first cover plate body and second cover plate body adjacent pull assembly into a whole, improve its stability, solve the problem that when one of the several cover plates on the existing groove appears damage and falls, the cover plate in the vicinity is easy to move, and then influence the stability of whole cover plate system.

[0021] Two, the first cover plate body and second cover plate body between the utility model are connected and assembled through the connecting portion, in order to reduce the weight of single carrying, and the cavity is provided between the first cover plate body and second cover plate body, and the first sound-absorbing pad and second sound-absorbing pad are arranged in the cavity respectively, and are communicated with the outside through the sound-absorbing hole, and the effect of sound absorption is played. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0023] Figure 2 It is the sectional view of the first cover plate body in the utility model;

[0024] Figure 3 It is the three-dimensional structure schematic diagram of the second sound-absorbing pad in the utility model;

[0025] Figure 4 It is the three-dimensional structure schematic diagram of the second cover plate body in the utility model;

[0026] Figure 5 It is the three-dimensional structure schematic diagram of the first cover plate body in the utility model;

[0027] Figure 6 It is the partial exploded view schematic diagram in the utility model.

[0028] In the drawing: 1, first cover plate body;2, second cover plate body;3, connecting portion;4, sound-absorbing hole;5, first sound-absorbing pad;6, second sound-absorbing pad;7, sealing gasket;8, second connecting channel;9, opening;10, handle;11, first slot;12, second slot;13, storage groove;14, fourth connecting channel. DETAILED DESCRIPTION

[0029] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0030] As shown in Figures 1-6 The utility model provides a kind of sound-absorbing ballast cover plate, including first cover plate main body 1 and second cover plate main body 2, first cover plate main body 1 covers in the top of second cover plate main body 2, and the opposite sides of first cover plate main body 1 bottom edge and the opposite sides of second cover plate main body 2 top edge are connected by connecting portion 3, to play the role of fixing first cover plate main body 1 and second cover plate main body 2;Connecting portion 3 is H type structure, after being assembled from left to right by several first cover plate main body 1 and second cover plate main body 2, the bottom end of H type structure left side is inserted with the top of first second cover plate main body 2, the top of H type structure left side is inserted with the bottom of first first cover plate main body 1, the bottom end and top of H type structure right side are inserted with the top of second second cover plate main body 2 and the bottom of first cover plate main body 1 respectively, and inductive reasoning is used, to make the first cover plate main body 1 and second cover plate main body 2 connected by connecting portion 3 pull positioning.

[0031] In use, the bottom of first cover plate main body 1 is provided with second clamping groove 12 corresponding to connecting portion 3, second clamping groove 12 is clamped with connecting portion 3, the top of second cover plate main body 2 is provided with first clamping groove 11, the inside of first clamping groove 11 is clamped with the bottom of connecting portion 3, first, second cover plate main body 2 is covered on sink, then connecting portion 3 is inserted into the inside of first clamping groove 11 in sequence, finally, first cover plate main body 1 is covered on the top of second cover plate main body 2 from top to bottom in sequence, while making second clamping groove 12 clamped with connecting portion 3 below, two H type structures are limited between two first cover plate main bodies 1 and second cover plate main bodies 2, so that several cover plates laid form a whole, after partial cover plate breaks and falls, the remaining cover plate still maintains a whole, and the cover plate near the falling cover plate is difficult to move.

[0032] The side of first cover plate main body 1 and second cover plate main body 2 close to each other is provided with cavity, and sound-absorbing assembly is arranged in the cavity, to play the role of reducing noise;The top of first cover plate main body 1 is also provided with a plurality of sound-absorbing holes 4, and the bottom of the plurality of sound-absorbing holes 4 is communicated with the cavity;In use, the bottom of first cover plate main body 1 is provided with first positioning groove, and the top of second cover plate main body 2 is provided with second positioning groove, the cavity is formed after the first positioning groove and the second positioning groove are buckled and docked, the cavity is communicated with the top through sound-absorbing hole 4, so that the sound enters the cavity through sound-absorbing hole 4, and the propagation of noise is reduced through sound-absorbing assembly, to play the purpose of sound absorption.

[0033] The sound absorption assembly comprises a first sound absorption pad 5 and a second sound absorption pad 6, both of which are arranged inside the cavity; the first sound absorption pad 5 is a glass wool board; the second sound absorption pad 6 is a slag wool board; in use, the cavity is opened between the first cover plate body 1 and the second cover plate body 2, and the slag wool board and the glass wool board are arranged in the cavity, so that two different sound absorption materials are used to improve the sound absorption effect and broaden the corresponding frequency range.

[0034] A group of handles 10 are symmetrically arranged at the top of the second cover plate body 2, a group of storage grooves 13 are arranged at the positions opposite to the handles 10 at the bottom of the first cover plate body 1, so that the handles 10 are inserted into the storage grooves 13 after the first cover plate body 1 and the second cover plate body 2 are combined; in use, a sealing pad 7 is further arranged between the first cover plate body 1 and the second cover plate body 2, the sealing pad 7 is arranged in a ring shape around the edge of the cavity to improve the sealing performance of the cavity, the handle 10 is a semicircular arc ring, there are four connecting parts 3 on each first cover plate body 1, which are symmetrically distributed on the left and right sides at the two side edges, the line connecting the two handles 10 is perpendicular to the line connecting the two groups of connecting parts 3, and a complete cover plate is formed by assembling the first cover plate body 1 and the second cover plate body 2, which facilitates transportation. First, the second cover plate body 2 is transported to the designated position by the handle 10, and then the upper first cover plate body 1 is transported to the designated position by the rope passing through the sound absorption hole 4, so as to reduce the weight of single transportation.

[0035] A plurality of first connecting channels are arranged at the bottom of the first cover plate body 1, the top of each of the plurality of first connecting channels is in communication with a corresponding sound absorption hole 4; a plurality of openings 9 are arranged at the opposite side edges of the first sound absorption pad 5 and the second sound absorption pad 6, the plurality of openings 9 of the first sound absorption pad 5 and the plurality of openings 9 of the second sound absorption pad 6 are sequentially and correspondingly communicated, so that the plurality of communicated openings 9 form a plurality of third connecting channels, the top of each of the plurality of third connecting channels is communicated with a corresponding first connecting channel; a fourth connecting channel 14 is arranged at each of the two edges inside the cavity at the top of the second cover plate body 2, a plurality of second connecting channels 8 are arranged at the bottom of the second cover plate body 2, the top of each of the plurality of second connecting channels 8 and the bottom of each of the plurality of third connecting channels are communicated through a corresponding fourth connecting channel 14; in use, the sound absorption hole 4 is communicated with the second connecting channel 8 through the first connecting channel, the opening 9 and the fourth connecting channel 14, and when the sound absorption and noise reduction treatment is performed by the first sound absorption pad 5 and the second sound absorption pad 6 inside the cavity, the sound absorption hole 4 and the groove below form a resonance sound absorption structure, which further improves the sound absorption effect.

Claims

1. A ballast cover for a sound absorbing ballast channel, characterized by: It includes a first cover plate body (1) and a second cover plate body (2). The first cover plate body (1) covers the top of the second cover plate body (2), and the two opposite sides at the bottom edge of the first cover plate body (1) and the two opposite sides at the top edge of the second cover plate body (2) are connected by a connecting part (3) to fix the first cover plate body (1) and the second cover plate body (2). The connecting part (3) is an H-shaped structure. After assembling several first cover plate bodies (1) and second cover plate bodies (2) from left to right, the bottom end of the left side of the H-shaped structure is inserted into the top of the first second cover plate body (2), the top end of the left side of the H-shaped structure is inserted into the bottom of the first first cover plate body (1), and the bottom end and top end of the right side of the H-shaped structure are respectively inserted into the top of the second second cover plate body (2) and the bottom of the first cover plate body (1), and so on, so that the connected first cover plate bodies (1) and second cover plate bodies (2) are pulled and positioned by the connecting part (3).

2. The sound absorbing ballast cover panel according to claim 1, characterized in that: A cavity is provided on one side of the first cover plate body (1) and the second cover plate body (2) that are close to each other, and a sound-absorbing component is provided in the cavity to reduce noise. The top of the first cover plate body (1) is also provided with several sound-absorbing holes (4), and the bottom of the several sound-absorbing holes (4) are all connected to the cavity.

3. The sound absorbing ballast cover panel according to claim 2, characterized in that: The sound-absorbing component includes a first sound-absorbing pad (5) and a second sound-absorbing pad (6), both of which are disposed inside the cavity; The first sound-absorbing pad (5) is a glass wool board; The second sound-absorbing pad (6) is a slag wool board.

4. The sound absorbing ballast cover panel according to claim 1, characterized in that: The top of the second cover body (2) is symmetrically provided with a set of handles (10), and the bottom of the first cover body (1) is provided with a set of storage slots (13) opposite to the handles (10), so that after the first cover body (1) and the second cover body (2) are combined, the handles (10) are inserted into the storage slots (13).

5. The sound absorbing ballast cover panel according to claim 3, characterized in that: The bottom of the first cover plate body (1) is provided with a plurality of first connecting channels, and the top of the plurality of first connecting channels are respectively connected to the corresponding sound-absorbing holes (4); The first sound-absorbing pad (5) and the second sound-absorbing pad (6) have several openings (9) on their opposite sides. The several openings (9) of the first sound-absorbing pad (5) and the several openings (9) on the second sound-absorbing pad (6) are connected in sequence to form several third connecting channels. The top ends of the several third connecting channels are connected to the several first connecting channels respectively. The top of the second cover plate body (2) is provided with a fourth connecting channel (14) at both edges inside the cavity. The bottom of the second cover plate body (2) is provided with a plurality of second connecting channels (8). The tops of the plurality of second connecting channels (8) and the bottoms of the plurality of third connecting channels are respectively connected through the corresponding fourth connecting channels (14).

6. The sound absorbing ballast cover of claim 1, wherein: Second clamping grooves (12) are symmetrically arranged at the edges of the bottom of the first cover plate body (1), and the inner walls of the second clamping grooves (12) are clamped with the top end of the connecting part (3); First clamping grooves (11) are symmetrically arranged at the edges of the top of the second cover plate body (2), and the inner walls of the first clamping grooves (11) are clamped with the bottom of the connecting part (3).

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