Sound insulation screen for roads and bridges

Abstract

The utility model relates to the technical field of sound insulation screens, in particular to a sound insulation screen for roads and bridges, which comprises a first screen plate and a second screen plate, the surface of the first screen plate is provided with sound absorption holes, the inside of the first screen plate is movably connected with a connecting plate, and the surface of the connecting plate is provided with mounting holes in a penetrating manner. The surface of the first screen plate is in threaded connection with a screw rod, the surface of the screw rod is fixedly connected with an abutting block, the interior of the first screen plate is fixedly connected with a connecting column, and a connecting hole is formed in the surface of the connecting plate in a penetrating mode. Under the action of a rubber block, abutting and supporting of a connecting hole are achieved, then the effect of limiting and supporting the acting position and angle of a connecting plate in the first screen plate is achieved, the use range and performance of the connecting plate are improved, under the action of a limiting rod and a telescopic spring, a clamping plate elastically slides in a moving groove, the acting position of the clamping plate is changed, and the clamping plate is prevented from being damaged. And the use convenience and effect of the clamping plate on the fixing plate are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sound screen technical field, concretely is a sound screen for road and bridge. BACKGROUND

[0002] Sound screen is a sound insulation facility, it is in order to block the direct sound between sound source and receiver, inserts a facility between sound source and receiver, makes the sound wave propagation have a remarkable additional attenuation, thereby weakens the noise influence in the certain area where the receiver is.

[0003] In the specific area of road and bridge, sound screen is used to carry out noise reduction, avoids the pollution of noise to the surrounding, but when using the existing sound screen, the installation mode is single, cannot adjust the installation mode according to the installation environment, increases the difficulty of installation construction. UTILITY MODEL CONTENT

[0004] The utility model discloses a sound screen for road and bridge to solve the installation mode single of the installation mode of the above background art, cannot adjust the installation mode according to the installation environment, increases the difficulty of installation construction.

[0005] In order to achieve the above object, the utility model provides the following technical scheme, a sound screen for road and bridge, including first screen board and second screen board, the surface of first screen board is provided with sound absorption hole, the inside movable joint of first screen board has connecting plate, the surface of connecting plate is equipped with the installation hole of penetrating, the surface of first screen board is connected with screw rod through screw connection, the surface fixed connection of screw rod has the block of resistance, the inside fixed connection of first screen board has connecting column, the surface of connecting plate is equipped with the connecting hole of penetrating, and the connecting plate is connected through the connecting hole and the connecting column of penetrating sliding, the surface of connecting column is equipped with adjusting groove, the inside sliding of adjusting groove is connected with rubber block, and the inside of first screen board and second screen board is embedded and is connected with sound absorption cotton.

[0006] Preferably, the sound absorption holes are evenly distributed on the surfaces of the first and second screen boards, the first screen board is provided with a through groove at one end away from the second screen board, the connecting plates act on the inside of the first screen board through the through groove, the connecting plates are distributed in two groups at the bottom end of the first screen board, and the distribution directions of the two groups of connecting plates on the first screen board are opposite.

[0007] Preferably, the screw rod is connected with the connecting column through sliding, the connecting column is in the shape of a cylinder, and the outer surface of the block of resistance is in the shape of an inclination.

[0008] Preferably, the abutting block is in contact with the connecting column and the rubber block, the side in contact with the rubber block and the abutting block is inclined, the inner side of the adjusting groove is provided with a sliding groove, and the two sides of the rubber block are fixedly connected with sliding blocks which are in sliding connection with the sliding groove in the adjusting groove.

[0009] Preferably, the side in contact with the second screen plate is provided with a connecting groove, the side in contact with the first screen plate is fixedly connected with a clamping block, the outer surfaces of the first screen plate and the second screen plate are fixedly connected with a fixed plate, the surface of the fixed plate is provided with a moving groove, the inner side of the moving groove is in sliding connection with a clamping plate, the outer surface of the clamping plate is fixedly connected with a pull handle, the inner surface of the clamping plate is fixedly connected with a limiting rod, and the outer surface of the limiting rod is sleeved with an elastic spring.

[0010] Preferably, the connecting groove is in the shape of "L", the first screen plate and the second screen plate are in clamping connection through the connecting groove and the clamping block, the clamping plate and the fixed plate are in clamping connection, and the moving groove is arranged on the surface of the fixed plate connected with the first screen plate.

[0011] Preferably, the limiting rod is in the shape of two groups of surfaces penetrating through the moving groove, the two ends of the elastic spring are fixedly connected to the inner side of the moving groove and the surface of the clamping plate, and the clamping plate is in elastic sliding connection with the moving groove through the elastic spring and the limiting rod.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The first screen plate is installed and supported through the connection of the through groove on the first screen plate and the connecting plate and the connection of the connecting plate and the mounting hole, the installation and use effect of the first screen plate on the ground or the guardrail is achieved, the position sliding effect of the rubber block in the adjusting groove is achieved through the connection of the screw rod and the abutting block, the sliding connection of the abutting block and the connecting column, the abutting support of the connecting hole is achieved through the action of the rubber block, and then the limiting support effect of the action position and the angle of the connecting plate in the first screen plate is achieved, so that the use range and the performance of the connecting plate are improved.

[0014] 2. The second screen plate and the first screen plate are clamped and connected through the connection of the second screen plate and the clamping block, the connection of the first screen plate and the connecting groove, the clamping and connecting effect of the second screen plate and the first screen plate is achieved, the abutting support effect between the second screen plate and the first screen plate is achieved through the insertion of the clamping plate and the fixed plate, the elastic sliding of the clamping plate in the moving groove is realized under the action of the limiting rod and the elastic spring, the action position of the clamping plate is changed, and the convenient performance and effect of the clamping plate in use on the fixed plate are improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural front view of the utility model;

[0016] Figure 2 It is a partial structure front view dynamic three-dimensional schematic diagram of the utility model;

[0017] Figure 3 It is a partial structure three-dimensional explosion schematic diagram of the connecting plate and the screw rod in the utility model Figure 2

[0018] Figure 4 It is a partial structure three-dimensional explosion schematic diagram of the connecting structure of the first screen plate and the second screen plate in the utility model

[0019] Figure 5 It is a partial back view three-dimensional explosion schematic diagram of the connecting structure of the first screen plate and the second screen plate in the utility model.

[0020] In the drawing: 1, first screen plate; 2, second screen plate; 3, sound absorbing hole; 4, connecting plate; 41, mounting hole; 42, screw rod; 43, stop block; 44, connecting column; 45, adjusting groove; 46, rubber block; 47, connecting hole; 5, sound absorbing cotton; 6, connecting groove; 61, clamping block; 62, fixed plate; 63, moving groove; 64, clamping plate; 65, pull handle; 66, limiting rod; 67, extension spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-5 , the utility model provides an embodiment:

[0023] ​The utility model provides a sound insulation screen for road and bridge, including first screen board 1 and second screen board 2, the surface of first screen board 1 is provided with sound absorption hole 3, the inside movable joint of first screen board 1 is connected with connecting plate 4, the surface of connecting plate 4 is passed through and is set up with mounting hole 41, the surface of first screen board 1 is connected with screw rod 42 through screw connection, the surface of screw rod 42 is fixedly connected with the block 43, the inside fixed connection of first screen board 1 is connected with connecting column 44, the surface of connecting plate 4 is passed through and is set up with connecting hole 47, and connecting plate 4 is slidably connected through connecting hole 47 and connecting column 44, the surface of connecting column 44 is set up with adjusting groove 45, the inboard of adjusting groove 45 is slidably connected with rubber block 46, the inside of first screen board 1 and second screen board 2 is embeddedly connected with sound absorption cotton 5, through the connection of first screen board 1 and sound absorption hole 3, the connection of second screen board 2 and sound absorption hole 3, under the action of sound absorption hole 3 and sound absorption cotton 5, realize the sound absorption and noise reduction effect of noise, under the connection of connecting plate 4 and mounting hole 41, the position installation of first screen board 1 whole is convenient.

[0024] Further, the sound absorption holes 3 are evenly distributed on the surfaces of the first screen board 1 and the second screen board 2, the first screen board 1 is provided with a through slot at one end away from the second screen board 2, the connecting plate 4 is arranged in the first screen board 1 through the through slot, the connecting plate 4 is arranged in two groups at the bottom end of the first screen board 1, the two groups of connecting plates 4 are oppositely arranged on the first screen board 1, through the connection of the first screen board 1 and the connecting plate 4, and the connection of the connecting plate 4 and the mounting hole 41, the installation of the first screen board 1 on the guardrail or the cement wall is facilitated, the fixed block is fixedly connected to the surface of the first screen board 1, through the action of the fixed block, the installation of the first screen board 1 on the ground is realized, and the installation range and performance of the first screen board 1 are improved.

[0025] Further, the screw rod 42 is slidably connected through the first screen board 1 and the connecting column 44, the connecting column 44 is in a cylindrical shape, the outer surface of the block 43 is inclined, through the connection of the screw rod 42 and the block 43, and the threaded connection of the screw rod 42 and the first screen board 1, the position of the block 43 in the connecting column 44 can be changed, and then the position of the rubber block 46 in the adjusting groove 45 is changed.

[0026] Further, the block 43 is in contact with the rubber block 46 through the connecting column 44, one side of the rubber block 46 in contact with the block 43 is inclined, the inside of the adjusting groove 45 is provided with a sliding groove, the two sides of the rubber block 46 are fixedly connected with sliding blocks, and the sliding blocks are slidably connected with the sliding groove in the adjusting groove 45, through the connection of the connecting plate 4 and the connecting hole 47, and the sliding connection of the rubber block 46 and the adjusting groove 45, the block 43 and the rubber block 46 are in contact, the rubber block 46 and the inner wall of the connecting hole 47 are in contact, the position and angle of the connecting plate 4 in the first screen board 1 are limited, the installation range and performance of the first screen board 1 are improved.

[0027] Further, the first screen plate 1 and the second screen plate 2 are provided with a connecting groove 6 on the contact surface, the second screen plate 2 is fixedly connected with a clamping block 61 on the contact surface, the outer surface of the first screen plate 1 and the second screen plate 2 is fixedly connected with a fixed plate 62, the surface of the fixed plate 62 is provided with a moving groove 63, the inner side of the moving groove 63 is slidably connected with a clamping plate 64, the outer surface of the clamping plate 64 is fixedly connected with a pull handle 65, the inner surface of the clamping plate 64 is fixedly connected with a limiting rod 66, the outer surface of the limiting rod 66 is sleeved with an elastic spring 67, through the connection of the second screen plate 2 and the clamping block 61, the connection of the first screen plate 1 and the connecting groove 6, and the clamping connection of the connecting groove 6 and the clamping block 61, the second screen plate 2 is connected and supported on the first screen plate 1.

[0028] Further, the cross section of the connecting groove 6 is in the shape of "L", the first screen plate 1 and the second screen plate 2 are clamped and connected through the connecting groove 6 and the clamping block 61, the clamping plate 64 and the fixed plate 62 are clamped and connected, the moving groove 63 is provided on the surface of the fixed plate 62 connected with the first screen plate 1, through the connection of the second screen plate 2 and the fixed plate 62, the connection of the first screen plate 1 and the fixed plate 62, and the connection of the fixed plate 62 and the moving groove 63, the clamping plate 64 and the moving groove 63 are slidably connected, the abutting and supporting effect between the clamping plate 64 and the fixed plate 62 is realized, and the further supporting and controlling effect on the installation position of the first screen plate 1 and the second screen plate 2 is achieved.

[0029] Further, the limiting rod 66 is provided with two groups of surfaces penetrating through the surface of the moving groove 63, the two ends of the elastic spring 67 are fixedly connected with the inner side of the moving groove 63 and the surface of the clamping plate 64, the clamping plate 64 is elastically and slidably connected with the moving groove 63 through the elastic spring 67 and the limiting rod 66, through the connection of the clamping plate 64 and the limiting rod 66, the connection of the limiting rod 66 and the elastic spring 67, and the action of the elastic spring 67, the elastic sliding effect of the clamping plate 64 in the moving groove 63 is realized.

[0030] Working principle: when the first screen plate 1 is installed and used, according to the installation environment, the installation mode can be changed, when the first screen plate 1 is installed on the ground, through the use of fixing block and expansion bolt, it can be installed, when the first screen plate 1 needs to be installed on the cement wall or guardrail, rotate the screw rod 42, make the abutment block 43 slide in the connecting column 44, at this time, the abutment block 43 and the rubber block 46 do not contact, the connecting plate 4 can change the position on the connecting column 44, when the connecting plate 4 is adjusted to the corresponding position, reverse rotate the screw rod 42, make the abutment block 43 and the rubber block 46 abut, under the abutting contact of the rubber block 46 and the connecting hole 47, the control operation of the connecting plate 4 in the first screen plate 1 is completed, when the second screen plate 2 and the first screen plate 1 are installed, the clamping block 61 and the connecting groove 6 are clamped, through the abutting contact of the clamping plate 64 and the fixed plate 62, the second screen plate 2 and the first screen plate 1 are connected and reinforced, under the connection of the clamping plate 64 and the limiting rod 66, through the connection of the extension spring 67 and the limiting rod 66, the clamping plate 64 is elastically slid in the moving groove 63, which facilitates the installation, contact and disassembly of the clamping plate 64 on the fixed plate 62, and further facilitates the installation operation of the first screen plate 1 and the second screen plate 2.

[0031] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A sound barrier for road bridges, comprising a first panel (1) and a second panel (2), characterized in that: The surface of the first screen plate (1) is provided with sound absorption holes (3), the inside of the first screen plate (1) is movably connected with a connecting plate (4), the surface of the connecting plate (4) is provided with mounting holes (41) penetratingly, the surface of the first screen plate (1) is threadedly connected with a screw rod (42), the surface of the screw rod (42) is fixedly connected with a resisting block (43), the inside of the first screen plate (1) is fixedly connected with a connecting column (44), the surface of the connecting plate (4) is provided with connecting holes (47) penetratingly, the connecting plate (4) is slidingly connected through the connecting holes (47) and the connecting column (44), the surface of the connecting column (44) is provided with an adjusting groove (45), the inside of the adjusting groove (45) is slidingly connected with a rubber block (46), and the inside of the first screen plate (1) and the second screen plate (2) is embeddedly connected with sound absorption cotton (5).

2. A sound barrier for road and bridge according to claim 1, characterized in that: The sound absorption holes (3) are uniformly distributed on the surfaces of the first screen plate (1) and the second screen plate (2), one end of the first screen plate (1) away from the second screen plate (2) is provided with a through groove, the connecting plate (4) acts on the inside of the first screen plate (1) through the through groove, and the connecting plate (4) is distributed in two groups at the bottom end of the first screen plate (1) and oppositely distributed on the first screen plate (1).

3. The sound barrier according to claim 1, wherein: The screw rod (42) is slidingly connected through the first screen plate (1) and the connecting column (44), the connecting column (44) is in a cylindrical shape, and the outer surface of the resisting block (43) is in an inclined shape.

4. The sound barrier according to claim 1, wherein: The resisting block (43) is in contact with the rubber block (46) through the connecting column (44), one side of the rubber block (46) and the resisting block (43) is in an inclined shape, the inside of the adjusting groove (45) is provided with a sliding groove, and the two sides of the rubber block (46) are fixedly connected with sliding blocks which are slidingly connected with the sliding groove in the adjusting groove (45).

5. The sound barrier according to claim 1, wherein: One side of the first screen plate (1) and the second screen plate (2) is provided with a connecting groove (6), one side of the second screen plate (2) and the first screen plate (1) is fixedly connected with a clamping block (61), the outer surfaces of the first screen plate (1) and the second screen plate (2) are fixedly connected with a fixed plate (62), the surface of the fixed plate (62) is provided with a moving groove (63), the inside of the moving groove (63) is slidingly connected with a clamping plate (64), the outer surface of the clamping plate (64) is fixedly connected with a pull handle (65), the inner surface of the clamping plate (64) is fixedly connected with a limiting rod (66), and the outer surface of the limiting rod (66) is sleeved with an extension spring (67).

6. A sound barrier for road and bridge according to claim 5, characterized in that: The connecting groove (6) is in an "L" shape, the first screen plate (1) and the second screen plate (2) are clampedly connected through the connecting groove (6) and the clamping block (61), the clamping plate (64) and the fixed plate (62) are clampedly connected, and the moving groove (63) is arranged on the surface of the fixed plate (62) connected with the first screen plate (1).

7. A sound barrier for road and bridge according to claim 5, characterized in that: The limiting rod (66) is in the form of two groups of surfaces penetrating the moving groove (63), two ends of the telescopic spring (67) are fixedly connected to the inner side of the moving groove (63) and the surface of the clamping plate (64), and the clamping plate (64) is elastically and slidingly connected with the moving groove (63) through the telescopic spring (67) and the limiting rod (66).

Images