Noise shielding device for urban viaduct

Abstract

The utility model discloses an urban viaduct noise shielding device, which relates to the technical field of noise shielding devices and comprises a shielding frame, first sound-absorbing cotton is adhered to the outer wall of one side of the shielding frame, a shielding plate penetrating through the shielding frame is arranged in an inner cavity of the shielding frame, and second sound-absorbing cotton is adhered to the outer wall of the shielding plate. A plurality of groups of positioning jacks are uniformly formed in the outer wall of the shielding plate, an insertion plate clamped with the positioning jacks is arranged at the top end of the outer wall of the shielding frame in a penetrating manner, a plurality of groups of first threaded holes are uniformly formed in the upper end of the outer wall of the shielding frame, and second bolts matched with the first threaded holes in a threaded manner are arranged on the outer wall of the insertion plate in a penetrating manner. According to the utility model, the shielding plate is pulled upwards to synchronously move to a proper position in the inner cavity of the shielding frame, then the insertion plate is inserted to enable the end part of the insertion plate to be mutually clamped with the positioning insertion hole with a proper height, and then the second bolt is screwed to be in threaded connection with the first threaded hole; the first sound-absorbing cotton and the second sound-absorbing cotton cooperate with each other to absorb noise.

Description

Technical Field

[0001] The utility model relates to the technical field of noise shielding devices, in particular to a noise shielding device for urban elevated bridges. Background Art

[0002] Urban elevated bridges are an important part of modern urban transportation systems. The use of high-support towers or pillars allows the bridge deck to cross ground obstacles such as roads and rivers, greatly improving transportation efficiency. When vehicles travel on urban elevated bridges, they generate a lot of noise, which has an adverse impact on surrounding residents.

[0003] The Chinese utility model patent document with announcement number: CN220150123U discloses a noise shielding cover for an elevated bridge, including a buffer plate body, a fixed component is provided on the back of the buffer plate body, and multiple buffer components are evenly provided on the back of the buffer plate body. The multiple buffer components are connected to the fixed component. The buffer plate body includes a buffer plate and a ceiling. The ceiling is provided on the top of the buffer plate. The ceiling is arranged as an integral part and is formed integrally with the buffer plate. The buffer plate includes a groove, a sound insulation cavity, a reinforcing rib plate, an installation groove and a roller. There are multiple grooves equidistantly distributed on the front of the buffer plate, the sound insulation cavity is provided inside the buffer plate, and there are multiple reinforcing rib plates evenly distributed inside the sound insulation cavity.

[0004] The height of the above-mentioned elevated bridge noise shielding cover is constant, which is difficult to adapt to different use environments. Therefore, the present invention proposes an urban elevated bridge noise shielding device that is different from the existing technology to solve the above technical problems. Utility Model Content

[0005] In order to improve the above-mentioned problem of being difficult to adapt to different usage environments, the utility model provides a noise shielding device for an urban elevated bridge.

[0006] The utility model provides a noise shielding device for urban elevated bridges, which adopts the following technical solutions:

[0007] A noise shielding device for an urban elevated bridge comprises a shielding frame, an outer wall of one side of the shielding frame is pasted with a first sound-absorbing cotton, an inner cavity of the shielding frame is provided with a shielding plate passing through the shielding frame, an outer wall of the shielding plate is pasted with a second sound-absorbing cotton, a plurality of groups of positioning holes are evenly provided on the outer wall of the shielding plate, a plug-in plate that engages with the positioning holes is penetrated through the top of the outer wall of the shielding frame, a plurality of groups of first threaded holes are evenly provided on the upper end of the outer wall of the shielding frame, and a second bolt whose thread matches the first threaded hole is penetrated through the outer wall of the plug-in plate.

[0008] By adopting the above technical solution, the shielding plate is pulled upward so that it moves synchronously to the appropriate position in the inner cavity of the shielding frame, and then the plug-in plate is inserted so that its end engages with the positioning socket at an appropriate height, and then the second bolt is screwed to make it threadedly connected with the first threaded hole, and the noise is absorbed by the cooperation of the first sound-absorbing cotton and the second sound-absorbing cotton.

[0009] Optionally, a vertical tube is fixed at the middle position of the outer wall of the shielding frame, a vertical plate passing through the vertical tube is provided in the inner cavity of the vertical tube, a mounting plate is installed at the bottom wall position of the vertical plate, a counterweight block is provided at the bottom wall position of the mounting plate, and the counterweight block is fixed to the mounting plate through a connecting assembly.

[0010] Optionally, the connecting assembly includes a threaded tube, which is fixedly embedded in the top wall of the counterweight block, and a first bolt matching the thread of the threaded tube is passed through the top wall of the mounting plate.

[0011] By adopting the above technical solution, the shielding frame is moved from top to bottom to drive the vertical tube to move synchronously and make the vertical tube and the vertical plate engage with each other until the bottom wall of the shielding frame contacts the road surface of the urban elevated bridge, so that multiple groups of shielding frames can be assembled together to form a wall structure, thereby absorbing noise under the action of the first sound-absorbing cotton.

[0012] Optionally, a plurality of auxiliary connection components are evenly fixed to one end of the outer wall of one side of the shielding frame, and an auxiliary plug-in frame is installed at the other end of the outer wall of one side of the shielding frame, and the auxiliary plug-in frame and the auxiliary connection components are engaged with each other.

[0013] Optionally, the auxiliary connection assembly includes a mounting frame fixed on the outer wall of the shielding frame, an inner cavity of the mounting frame is provided with an auxiliary connection plate passing through the mounting frame, and an end portion of the auxiliary connection plate is engaged and matched with the inner cavity of the auxiliary insertion frame.

[0014] Optionally, a plurality of second threaded holes are provided on the end portion of the outer wall of the auxiliary connecting plate, and third bolts threadably matching the second threaded holes are passed through the outer wall of the auxiliary insertion frame.

[0015] By adopting the above technical solution, multiple groups of auxiliary connecting plates are pulled to move synchronously in the inner cavity of the installation frame until the ends of the auxiliary connecting plates are engaged with the inner cavity of the auxiliary insertion frame, and then the third bolt is screwed to make it threadedly connected with the second threaded hole, so that multiple groups of shielding frames can be connected to each other, thereby improving the integrity.

[0016] In summary, the present invention has at least one of the following beneficial effects:

[0017] Pull the multiple sets of auxiliary connecting plates to engage with the inner cavity of the auxiliary frame, and then screw the third bolt to make it threadedly connected with the second threaded hole, so that the multiple sets of shielding frames can be connected to each other to improve the integrity;

[0018] Pull the shielding plate upward to the appropriate position, then insert the plug plate and engage it with the positioning hole at an appropriate height, and then screw the second bolt to make it threadedly connected with the first threaded hole, so as to reduce the overlapping size of the shielding plate and the shielding frame. With the help of the first sound-absorbing cotton and the second sound-absorbing cotton, the noise can be absorbed together, which is convenient for use in places close to residential areas and improves the noise absorption effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model from above;

[0021] Figure 3 It is a right side structural schematic diagram of the present utility model.

[0022] In the figure: 1. First sound-absorbing cotton; 2. Shielding frame; 3. Positioning jack; 4. Second sound-absorbing cotton; 5. First bolt; 6. Counterweight; 7. Threaded pipe; 8. Mounting plate; 9. Vertical plate; 10. Vertical pipe; 11. Insert plate; 12. Second bolt; 13. First threaded hole; 14. Shielding plate; 15. Auxiliary insert frame; 16. Third bolt; 17. Auxiliary connecting plate; 18. Second threaded hole; 19. Mounting frame. DETAILED DESCRIPTION

[0023] The following is combined with Figure 1-3 The utility model is described in further detail.

[0024] Please refer to the attached figure in the instruction manual Figure 1 、 2 And 3, the utility model provides an embodiment: a noise shielding device for an urban elevated bridge, comprising a shielding frame 2, the longitudinal cross-section of the shielding frame 2 being set to a U shape, the outer wall of one side of the shielding frame 2 being pasted with a first sound-absorbing cotton 1, a vertical tube 10 being fixed at the middle position of the outer wall of the shielding frame 2, the inner cavity of the vertical tube 10 being provided with a vertical plate 9 passing through the vertical tube 10, a mounting plate 8 being installed at the bottom wall position of the vertical plate 9, a counterweight block 6 being provided at the bottom wall position of the mounting plate 8, the counterweight block 6 being a concrete block, the connecting assembly comprising a threaded tube 7, the threaded tube 7 being fixedly embedded in the top wall of the counterweight block 6, the top end of the threaded tube 7 being set to an open shape, and the top wall of the mounting plate 8 being penetrated by a first bolt 5 whose thread matches the threaded tube 7.

[0025] Moving the shielding frame 2 from top to bottom drives the vertical tube 10 to move synchronously and makes the vertical tube 10 engage with the vertical plate 9 until the bottom wall of the shielding frame 2 contacts the road surface of the urban elevated bridge, so that multiple groups of shielding frames 2 can be assembled together to form a wall structure, so that noise can be absorbed under the action of the first sound-absorbing cotton 1.

[0026] Please refer to the attached figure in the instruction manual Figure 1 、 2 and 3. The inner cavity of the shielding frame 2 is provided with a shielding plate 14 that passes through the shielding frame 2. The outer wall of the shielding plate 14 is pasted with a second sound-absorbing cotton 4. The outer wall of the shielding plate 14 is evenly provided with multiple groups of positioning holes 3. The top of the outer wall of the shielding frame 2 is penetrated by a plug-in plate 11 that engages with the positioning holes 3. The longitudinal section of the plug-in plate 11 is set to T-shaped. The upper end of the outer wall of the shielding frame 2 is evenly provided with multiple groups of first threaded holes 13. The outer wall of the plug-in plate 11 is penetrated by a second bolt 12 that matches the thread of the first threaded hole 13.

[0027] Pull the shielding plate 14 upward so that it moves synchronously to the appropriate position in the inner cavity of the shielding frame 2, then insert the plug plate 11 so that its end engages with the positioning hole 3 of appropriate height, and then screw the second bolt 12 to make it threadedly connected with the first threaded hole 13, so as to reduce the size of the overlap between the shielding plate 14 and the shielding frame 2. With the help of the first sound-absorbing cotton 1 and the second sound-absorbing cotton 4, the noise is absorbed together, which is convenient for use in places close to residential areas.

[0028] Please refer to the attached figure in the instruction manual Figure 1 、 2 And 3, one end of the outer wall of one side of the shielding frame 2 is evenly fixed with multiple groups of auxiliary connection components, the auxiliary connection components include a mounting frame 19, the mounting frame 19 is fixed on the outer wall of the shielding frame 2, the inner cavity of the mounting frame 19 is provided with an auxiliary connection plate 17 that passes through the mounting frame 19, and the other end of the outer wall of one side of the shielding frame 2 is installed with an auxiliary plug-in frame 15, the auxiliary plug-in frame 15 and the auxiliary connection plate 17 are engaged with each other, and the outer wall end of the auxiliary connection plate 17 is provided with multiple groups of second threaded holes 18, and the outer wall of the auxiliary plug-in frame 15 is penetrated by a third bolt 16 that matches the thread of the second threaded hole 18.

[0029] Pull multiple sets of auxiliary connecting plates 17 to make them move synchronously in the inner cavity of the installation frame 19 until the ends of the auxiliary connecting plates 17 engage with the inner cavity of the auxiliary insertion frame 15, and then screw the third bolt 16 to make it threadedly connected with the second threaded hole 18, so that multiple sets of shielding frames 2 can be connected to each other to improve the integrity.

[0030] Working principle: When using the urban elevated bridge noise shielding device, first place multiple sets of counterweights 6 at appropriate positions on the roadbed of the urban elevated bridge, and then move the shielding frame 2 from top to bottom to drive the vertical tube 10 to move synchronously and make the vertical tube 10 and the vertical plate 9 engage with each other until the bottom wall of the shielding frame 2 contacts the road surface of the urban elevated bridge, so that multiple sets of shielding frames 2 can be assembled together to form a wall structure, so that the noise can be absorbed under the action of the first sound-absorbing cotton 1.

[0031] During splicing, multiple sets of auxiliary connecting plates 17 are pulled to move synchronously in the inner cavity of the mounting frame 19 until the ends of the auxiliary connecting plates 17 engage with the inner cavity of the auxiliary insertion frame 15, and then the third bolts 16 are screwed to thread them into the second threaded holes 18, so that multiple sets of shielding frames 2 can be connected to each other to improve the integrity.

[0032] Pull the shielding plate 14 upward so that it moves synchronously to the appropriate position in the inner cavity of the shielding frame 2, then insert the plug plate 11 so that its end engages with the positioning socket 3 of appropriate height, and then screw the second bolt 12 to make it threadedly connected with the first threaded hole 13, so as to reduce the overlapping size of the shielding plate 14 and the shielding frame 2. With the help of the first sound-absorbing cotton 1 and the second sound-absorbing cotton 4, the noise is absorbed together, which is convenient for use in places close to residential areas. Reversely screw the first bolt 5 to separate it from the threaded tube 7, which is convenient for disassembling the mounting plate 8, and then facilitates the subsequent replacement of the vertical plate 9, vertical tube 10, shielding frame 2 and shielding plate 14.

[0033] The standard parts used in this utility model document can all be purchased from the market. The various components in this utility model document can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0034] 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 noise shielding device for an urban elevated bridge, comprising a shielding frame (2), characterized in that: The outer wall of one side of the shielding frame (2) is pasted with a first sound-absorbing cotton (1), the inner cavity of the shielding frame (2) is provided with a shielding plate (14) penetrating the shielding frame (2), the outer wall of the shielding plate (14) is pasted with a second sound-absorbing cotton (4), the outer wall of the shielding plate (14) is evenly provided with a plurality of groups of positioning holes (3), the top end of the outer wall of the shielding frame (2) is penetrated by a plug-in plate (11) that engages with the positioning holes (3), the upper end of the outer wall of the shielding frame (2) is evenly provided with a plurality of groups of first threaded holes (13), and the outer wall of the plug-in plate (11) is penetrated by a second bolt (12) that matches the thread of the first threaded hole (13).

2. The noise shielding device for an urban elevated bridge according to claim 1, characterized in that: A vertical tube (10) is fixed at the middle position of the outer wall of the shielding frame (2); a vertical plate (9) penetrating the vertical tube (10) is provided in the inner cavity of the vertical tube (10); a mounting plate (8) is installed at the bottom wall position of the vertical plate (9); a counterweight (6) is provided at the bottom wall position of the mounting plate (8); and the counterweight (6) is fixed to the mounting plate (8) through a connecting assembly.

3. The noise shielding device for an urban elevated bridge according to claim 2, characterized in that: The connecting assembly comprises a threaded tube (7), the threaded tube (7) is fixedly embedded in the top wall of the counterweight (6), and the top wall of the mounting plate (8) is provided with a first bolt (5) whose thread matches that of the threaded tube (7).

4. The noise shielding device for an urban elevated bridge according to claim 1, characterized in that: Multiple groups of auxiliary connection components are evenly fixed to one end of the outer wall of one side of the shielding frame (2), and an auxiliary insertion frame (15) is installed at the other end of the outer wall of one side of the shielding frame (2). The auxiliary insertion frame (15) and the auxiliary connection components are mutually engaged.

5. The noise shielding device for an urban elevated bridge according to claim 4, characterized in that: The auxiliary connection assembly includes a mounting frame (19), the mounting frame (19) is fixed on the outer wall of the shielding frame (2), the inner cavity of the mounting frame (19) is provided with an auxiliary connection plate (17) that passes through the mounting frame (19), and the end of the auxiliary connection plate (17) is engaged with the inner cavity of the auxiliary insertion frame (15).

6. The noise shielding device for an urban elevated bridge according to claim 5, characterized in that: The outer wall end of the auxiliary connecting plate (17) is provided with a plurality of second threaded holes (18), and the outer wall of the auxiliary inserting frame (15) is penetrated by third bolts (16) whose threads match those of the second threaded holes (18).

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