Sound barrier around obstacles behind bridge section

Abstract

The utility model discloses a sound barrier of a bridge section back-winding obstacle, relates to the technical field of bridge section protection, solves the problem that angle adjustment is inconvenient when the sound barrier of the back-winding obstacle is installed, and comprises a stand column and a sound-absorbing wallboard, one side of the stand column is fixedly connected with a first installation frame, and the other side of the stand column is fixedly connected with a second installation frame. The bottom of an inner cavity of the stand column is rotationally connected with a rotating shaft through a bearing, the top of the rotating shaft penetrates through the stand column and is fixedly connected with a rotating handle, and one side of the rotating shaft is fixedly connected with a connecting plate. By arranging a rotating handle, a rotating shaft and a connecting plate, the angle of a second mounting frame can be adjusted, so that the mounting angle of the sound-absorbing wallboard can be adjusted, the sound-absorbing wallboard can be mounted and used on an arc-shaped bridge section, meanwhile, the mode can be suitable for the arc-shaped bridge sections with different radians, the application range is wide, and mounting is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge section protection, in particular to a sound barrier for obstacles behind a bridge section. Background Art

[0002] Motor vehicles operating on roads, expressways, elevated composite roads and railway bridges can generate huge noise, and also bring noise hazards to surrounding motor vehicles and residential areas of surrounding facilities. Therefore, it is necessary to install sound barriers in the bridge section to reduce the noise hazards. Since auxiliary facilities such as street lights and signal poles are often installed on both sides of the bridge section, it is necessary to bypass the obstacles when installing the sound barriers. Among them, the sound barrier that bypasses the obstacles from behind is one of them. The currently used sound barrier that bypasses the obstacles from behind is inconvenient to adjust during installation, and it is not convenient to adjust the installation angle according to the position of the obstacle during installation. When the bridge section is arc-shaped, this installation method is inconvenient to install, and it takes up more space after installation, which needs to be improved. Therefore, a sound barrier that bypasses the obstacles from behind the bridge section is proposed. Utility Model Content

[0003] In order to improve the problem that it is inconvenient to adjust the angle when installing the sound barrier around the obstacle behind, the utility model provides a sound barrier around the obstacle behind the bridge section.

[0004] The utility model provides a sound barrier for bypassing obstacles behind a bridge section, which adopts the following technical solutions:

[0005] A sound barrier for obstacles behind a bridge section, comprising a column and a sound-absorbing wall panel, wherein one side of the column is fixedly connected to a first mounting frame, the bottom of the inner cavity of the column is rotatably connected to a rotating shaft via a bearing, the top of the rotating shaft passes through the column and is fixedly connected to a rotating handle, one side of the rotating shaft is fixedly connected to a connecting plate, and the end of the connecting plate away from the rotating shaft is fixedly connected to a second mounting frame, the sound-absorbing wall panel is mounted in the inner cavities of the first mounting frame and the second mounting frame, and the surfaces of the first mounting frame and the second mounting frame are both provided with mounting mechanisms.

[0006] By adopting the above technical solution, the angle of the second mounting frame can be adjusted, thereby adjusting the installation angle of the sound-absorbing wall panel so that it can be installed and used in curved bridge sections. At the same time, this method can be applied to curved bridge sections with different curvatures, has a wide range of uses, and is easy to install.

[0007] Optionally, the mounting mechanism includes a through hole, which is opened at the top and bottom of one side of the first mounting frame and the second mounting frame, the inner surface of the through hole is movably connected to a limit rod, one side of the limit rod is fixedly connected to a pull block, and one side of the sound-absorbing wall panel is opened with a limit hole used to cooperate with the limit rod, and the outer surface of the limit rod is plugged into the inner surface of the limit hole.

[0008] By adopting the above technical solution, the sound-absorbing wall panels can be fixed after being limited, thereby preventing the sound-absorbing wall panels from moving after installation and improving the stability of the sound-absorbing wall panels after installation.

[0009] Optionally, the bottom of the column is fixedly connected to a mounting base plate, and four corners of the top of the mounting base plate are provided with mounting holes.

[0010] By adopting the above technical solution, the columns can be easily installed and fixed.

[0011] Optionally, the outer surface of the limiting rod is fixedly connected to a limiting ring, the inner cavity of the through hole is provided with a ring groove used to cooperate with the limiting ring, and the outer surface of the limiting ring is slidably connected to the inner surface of the ring groove.

[0012] By adopting the above technical solution, the movement of the limiting rod can be guided and limited.

[0013] Optionally, a compression spring is movably connected to the outer surface of the limiting rod, and one end of the compression spring close to the limiting ring is fixedly connected to the connection of the limiting ring, and one end of the compression spring away from the limiting ring is fixedly connected to the connection of the inner cavity of the ring groove.

[0014] By adopting the above technical solution, the connection tightness between the limiting rod and the limiting hole can be improved.

[0015] Optionally, the top of the outer surface of the rotating shaft is threadedly connected to a limiting nut, and the bottom of the limiting nut is tightly fitted with the connection between the top of the column.

[0016] By adopting the above technical solution, the rotating shaft can be fixed and limited.

[0017] Optionally, a sealing gasket is provided on the outer surface of the sound-absorbing wall panel, and the sealing gasket is tightly fitted to the connection between the first installation frame and the second installation frame.

[0018] By adopting the above technical solution, the sealing performance of the sound-absorbing wallboard can be improved.

[0019] In summary, the present invention has the following beneficial effects:

[0020] 1. The utility model can facilitate the installation and positioning of the sound-absorbing wall panels by providing columns, a first installation frame and a second installation frame. By providing a turning handle, a rotating shaft and a connecting plate, the angle of the second installation frame can be adjusted, thereby adjusting the installation angle of the sound-absorbing wall panels so that they can be installed and used in curved bridge sections. At the same time, this method can be applied to curved bridge sections of different curvatures, has a wide range of uses, and is easy to install.

[0021] 2. The utility model can fix the sound-absorbing wall panels after limiting by setting through holes, limiting rods, pull blocks and limiting holes, thereby preventing the sound-absorbing wall panels from moving after installation and improving the stability of the sound-absorbing wall panels after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of the utility model;

[0023] Figure 2 It is a cross-sectional view of the column structure of the utility model;

[0024] Figure 3 It is a top view of the column structure of the utility model;

[0025] Figure 4 For the utility model structure Figure 3 A partial enlarged view of point A in the middle.

[0026] In the figure: 1. column; 2. sound-absorbing wall panel; 3. first mounting frame; 4. rotating shaft; 5. rotating handle; 6. connecting plate; 7. second mounting frame; 8. mounting mechanism; 801. through hole; 802. limiting rod; 803. pulling block; 804. limiting hole; 805. limiting ring; 806. ring groove; 807. compression spring; 9. mounting base plate; 10. mounting hole; 11. limiting nut; 12. sealing gasket. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] Example 1:

[0029] Please refer to Figure 1-4 A sound barrier for obstacles behind a bridge section includes a column 1 and a sound-absorbing wall panel 2. A first mounting frame 3 is fixedly connected to one side of the column 1. The bottom of the inner cavity of the column 1 is rotatably connected to a rotating shaft 4 through a bearing. The top of the rotating shaft 4 passes through the column 1 and is fixedly connected to a rotating handle 5. A connecting plate 6 is fixedly connected to one side of the rotating shaft 4. The end of the connecting plate 6 away from the rotating shaft 4 is fixedly connected to a second mounting frame 7. The sound-absorbing wall panel 2 is installed in the inner cavity of the first mounting frame 3 and the second mounting frame 7. The surfaces of the first mounting frame 3 and the second mounting frame 7 are both provided with mounting mechanisms 8.

[0030] As a technical optimization solution of the present invention, further, the bottom of the column 1 is fixedly connected to a mounting base plate 9, and the four corners of the top of the mounting base plate 9 are provided with mounting holes 10.

[0031] As a technical optimization solution of the present invention, further, the top of the outer surface of the rotating shaft 4 is threadedly connected with a limiting nut 11, and the bottom of the limiting nut 11 is tightly fitted with the connection between the top of the column 1.

[0032] As a technical optimization solution of the present invention, further, a sealing gasket 12 is provided on the outer surface of the sound-absorbing wall panel 2 , and the sealing gasket 12 is tightly fitted to the connection between the first installation frame 3 and the second installation frame 7 .

[0033] In this embodiment: by providing the column 1, the first mounting frame 3 and the second mounting frame 7, it is possible to facilitate the installation and positioning of the sound-absorbing wall panel 2; by providing the turning handle 5, the rotating shaft 4 and the connecting plate 6, the angle of the second mounting frame 7 can be adjusted, thereby adjusting the installation angle of the sound-absorbing wall panel 2 so that it can be installed and used in an arc-shaped bridge section; at the same time, this method can be applicable to arc-shaped bridge sections of different curvatures, has a wide range of uses, and is easy to install; by providing the mounting base plate 9 and the mounting hole 10, it is possible to facilitate the installation and fixing of the column 1; by providing the limiting nut 11, it is possible to facilitate the fixing and positioning of the rotating shaft 4 to avoid the rotating shaft 4 from rotating after adjustment; and by providing the sealing gasket 12, the sealing performance of the sound-absorbing wall panel 2 can be improved.

[0034] Example 2:

[0035] Reference Figure 1 、 Figure 3 and Figure 4 The mounting mechanism 8 includes a through hole 801, which is opened at the top and bottom of one side of the first mounting frame 3 and the second mounting frame 7. The inner surface of the through hole 801 is movably connected to the limit rod 802, and a pull block 803 is fixedly connected to one side of the limit rod 802. A limit hole 804 is opened on one side of the sound-absorbing wall panel 2 to cooperate with the limit rod 802, and the outer surface of the limit rod 802 is plugged into the inner surface of the limit hole 804.

[0036] As a technical optimization solution of the present invention, further, the outer surface of the limiting rod 802 is fixedly connected to the limiting ring 805, and the inner cavity of the through hole 801 is provided with a ring groove 806 used to cooperate with the limiting ring 805, and the outer surface of the limiting ring 805 is slidably connected to the inner surface of the ring groove 806.

[0037] As a technical optimization solution of the present invention, further, the outer surface of the limiting rod 802 is movably connected with a compression spring 807, and the end of the compression spring 807 close to the limiting ring 805 is fixedly connected to the connection of the limiting ring 805, and the end of the compression spring 807 away from the limiting ring 805 is fixedly connected to the connection of the inner cavity of the ring groove 806.

[0038] In this embodiment, by providing a through hole 801, a limiting rod 802, a pull block 803 and a limiting hole 804, the sound-absorbing wall panel 2 can be fixed after being limited, thereby preventing the sound-absorbing wall panel 2 from moving after installation and improving the stability of the sound-absorbing wall panel 2 after installation. By providing a limiting ring 805 and a ring groove 806, the movement of the limiting rod 802 can be guided and limited. By providing a compression spring 807, the tightness of the connection between the limiting rod 802 and the limiting hole 804 can be improved.

[0039] The implementation principle of the present utility model is as follows: when in use, the column 1 is installed at the designated position outside the bridge section through the installation base plate 9 and the installation hole 10, and the sound-absorbing wall panel 2 is installed from above on the inner surface of the first installation frame 3 and the second installation frame 7. The limiting rod 802 is pushed to move by the action of the compression spring 807, so that the limiting rod 802 is inserted into the limiting hole 804 to limit and fix the sound-absorbing wall panel 2. When encountering an obstacle and needing to be wound back, such as Figure 1 As shown, the column 1 can be installed around the obstacle. When an arc section needs to be adjusted, measure the distance, install the column 1 at the specified position, turn the handle 5, the handle 5 drives the shaft 4 to rotate, and the shaft 4 drives the second installation frame 7 to rotate. Adjust the angles of the two opposite second installation frames 7 so that the two opposite second installation frames 7 are parallel, and then install the sound-absorbing wall panel 2 in the second installation frame 7. This method can be applied to arc bridge sections with different curvatures, has a wide range of uses, and is easy to install.

[0040] The above are all preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A sound barrier for a rear obstacle around a bridge section, comprising a column (1) and a sound-absorbing wall panel (2), characterized in that: One side of the column (1) is fixedly connected to a first mounting frame (3); the bottom of the inner cavity of the column (1) is rotatably connected to a rotating shaft (4) via a bearing; the top of the rotating shaft (4) passes through the column (1) and is fixedly connected to a rotating handle (5); one side of the rotating shaft (4) is fixedly connected to a connecting plate (6); an end of the connecting plate (6) away from the rotating shaft (4) is fixedly connected to a second mounting frame (7); the sound-absorbing wall panel (2) is mounted in the inner cavities of the first mounting frame (3) and the second mounting frame (7); and mounting mechanisms (8) are provided on the surfaces of the first mounting frame (3) and the second mounting frame (7).

2. The sound barrier for a bridge section behind an obstacle according to claim 1, characterized in that: The mounting mechanism (8) comprises a through hole (801), the through hole (801) being provided at the top and bottom of one side of the first mounting frame (3) and the second mounting frame (7), the inner surface of the through hole (801) being movably connected to a limiting rod (802), one side of the limiting rod (802) being fixedly connected to a pull block (803), a limiting hole (804) for cooperating with the limiting rod (802) being provided on one side of the sound-absorbing wall panel (2), the outer surface of the limiting rod (802) being plugged into the inner surface of the limiting hole (804).

3. The sound barrier for a bridge section behind an obstacle according to claim 1, characterized in that: The bottom of the column (1) is fixedly connected to a mounting base plate (9), and four corners of the top of the mounting base plate (9) are provided with mounting holes (10).

4. The sound barrier for a bridge section behind an obstacle according to claim 2, characterized in that: The outer surface of the limiting rod (802) is fixedly connected to the limiting ring (805), the inner cavity of the through hole (801) is provided with a ring groove (806) used to cooperate with the limiting ring (805), and the outer surface of the limiting ring (805) is slidably connected to the inner surface of the ring groove (806).

5. The sound barrier for a bridge section behind an obstacle according to claim 4, characterized in that: The outer surface of the limiting rod (802) is movably connected to a compression spring (807), and one end of the compression spring (807) close to the limiting ring (805) is fixedly connected to the connection of the limiting ring (805), and one end of the compression spring (807) away from the limiting ring (805) is fixedly connected to the connection of the inner cavity of the ring groove (806).

6. The sound barrier for a bridge section behind an obstacle according to claim 1, characterized in that: The top of the outer surface of the rotating shaft (4) is threadedly connected to a limiting nut (11), and the bottom of the limiting nut (11) is tightly fitted with the connection between the top of the column (1).

7. The sound barrier for a bridge section behind an obstacle according to claim 1, characterized in that: A sealing gasket (12) is provided on the outer surface of the sound-absorbing wallboard (2), and the sealing gasket (12) is tightly fitted to the connection between the first installation frame (3) and the second installation frame (7).

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