A noise reduction device for roads and bridges

Abstract

This utility model belongs to the field of noise reduction for roads and bridges, and provides a noise reduction device for roads and bridges, including a base, an installation frame on the upper part of the base, a sound insulation layer inside the installation frame, a sealing plate rotatably mounted on the front side of the installation frame, two symmetrically distributed inserts on the rear side of the sealing plate, a locking component for locking the inserts on the installation frame, and two symmetrically distributed rectangular slots on the front side of the installation frame, with the inserts located in the rectangular slots. This utility model, through its locking component, inserts, and sealing plate, allows for easy replacement of the sound insulation layer by simply pulling the connecting plate to release the locking of the inserts and then flipping the sealing plate to disassemble and install the sound insulation layer. No additional tools are required throughout the process, nor is it necessary to loosen multiple assembled installation frames. This not only improves maintenance efficiency but also significantly reduces the labor intensity and operational complexity for maintenance personnel.

Description

Technical Field

[0001] This utility model belongs to the field of road and bridge noise reduction, specifically a road and bridge noise reduction device. Background Technology

[0002] With the acceleration of urbanization and the booming development of the transportation industry, roads and bridges, as key components of urban transportation networks, are experiencing increasing traffic flow. This increase in traffic flow has also brought about increasingly serious noise pollution problems. Currently, the main approach to noise control for roads and bridges is passive, which involves adding noise reduction devices to both sides of the road or bridge to reduce noise.

[0003] For example, Chinese patent with publication number "CN223047949U" discloses "a road and bridge noise reduction device for road and bridge engineering, including a base and a sound insulation layer. The base is provided with an installation frame. The two sides of the installation frame are respectively provided with protrusions and entry openings. The installation frame has a "U" shaped structure. The inner side of the installation frame is provided with an installation groove. The sound insulation layer is placed inside the installation groove through the entry opening. The end of the installation frame near the entry opening is provided with a fixing mechanism. The fixing mechanism fits with the sound insulation layer. This solves the problem that existing noise reduction devices are usually integrated structures, which not only occupy a lot of space but are also expensive; once damaged, they are difficult to repair or disassemble."

[0004] However, when disassembling and replacing the sound insulation layer in the aforementioned patent, it is necessary to use tools to remove the first fixing bolt on the side plate and the second bolt on the mounting frame, and also to move the protrusion out of the corresponding entry opening. As a result, when the sound insulation layer is damaged and needs to be replaced, in order to cancel the splicing state of the adjacent mounting frames, it may be necessary to loosen multiple mounting frames connected to it in sequence. This undoubtedly greatly increases the scope of operation and workload, and greatly increases the difficulty and complexity of the operation.

[0005] To address this issue, those skilled in the art have proposed a road and bridge noise reduction device. Utility Model Content

[0006] To solve the above-mentioned technical problems, this utility model provides a road and bridge noise reduction device.

[0007] A noise reduction device for roads and bridges includes a base, an upper mounting frame, a sound insulation layer inside the mounting frame, a sealing plate rotatably mounted on the front side of the mounting frame, two symmetrically distributed inserts on the rear side of the sealing plate, and a locking component for locking the inserts on the mounting frame.

[0008] The front side of the mounting frame has two symmetrically distributed rectangular slots, and the insert block is located in the rectangular slot. The locking assembly includes a slider that is slidably disposed in the rectangular slot. A locking block is provided on the inner side of the slider. A spring is sleeved on the outer side of the locking block. The two ends of the spring are respectively connected to the upper part of the slider and the inner wall of the rectangular slot. The upper parts of the two locking blocks both extend through the corresponding rectangular slot and are jointly provided with a connecting plate.

[0009] Preferably, the upper part of the insert block has a limiting port adapted to the locking block, and the bottom end of the locking block is inserted into the limiting port.

[0010] Preferably, the front side of the locking block and the rear side of the insertion block are both in a mating ramp shape.

[0011] Preferably, the upper part of the mounting frame has a recess for accommodating the connecting plate.

[0012] Preferably, the mounting frame has an insert plate on the left side and a rectangular opening adapted to the insert plate on the right side.

[0013] Preferably, the insert plate has two symmetrically distributed mounting openings on the side away from the mounting frame. A first magnet is provided in the mounting opening, and a second magnet is provided in the rectangular opening to cooperate with the first magnet. The first magnet and the second magnet are opposite magnets.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] This invention, through its locking components, inserts, and sealing plates, allows for easy replacement of the sound insulation layer by simply pulling the connecting plate to release the lock on the inserts and then flipping the sealing plate. The sound insulation layer can be disassembled and installed without the need for additional tools or loosening of multiple assembled mounting frames. This not only improves maintenance efficiency but also significantly reduces the labor intensity and operational complexity for maintenance personnel. Attached Figure Description

[0016] Figure 1 This is a structural diagram of the present invention;

[0017] Figure 2 This is a partial cross-sectional view of the present invention;

[0018] Figure 3 for Figure 3 Enlarged view of the structure of part A in the middle;

[0019] Figure 4 This is a cross-sectional view showing the connection structure between the insert plate and the second magnetic block in this utility model.

[0020] Figure 5 This is a diagram showing the state of the sealing plate after it has rotated in this utility model.

[0021] In the picture:

[0022] 1. Base; 2. Mounting frame; 3. Sound insulation layer; 4. Sealing plate; 5. Insert block; 6. Locking assembly; 61. Slider; 62. Locking block; 63. Spring; 64. Connecting plate; 7. Rectangular groove; 8. Limiting port; 9. Notch; 10. Insert plate; 11. Rectangular opening; 12. Mounting port; 13. First magnet; 14. Second magnet. Detailed Implementation

[0023] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0024] As attached Figure 1 To be continued Figure 5 As shown:

[0025] This utility model provides a road and bridge noise reduction device, including a base 1, an installation frame 2 on the upper part of the base 1, a sound insulation layer 3 inside the installation frame 2, a sealing plate 4 rotatably arranged on the front side of the installation frame 2, two symmetrically distributed inserts 5 on the rear side of the sealing plate 4, and a locking component 6 for locking the inserts 5 on the installation frame 2.

[0026] Among them, the sound insulation layer 3 can reduce various noises in road and bridge scenarios, and build an effective acoustic protection barrier for the surrounding environment. At the same time, the sound insulation layer 3 can be easily replaced by using the locking component 6 and the plug 5. The entire process does not require disassembling bolts or damaging the overall structure of the device, which greatly reduces the difficulty and time consumption of maintenance operations.

[0027] It should be noted that the base 1 and the bridge can be stably connected by bolts.

[0028] refer to Figure 2 , Figure 3 and Figure 5 The front side of the mounting frame 2 has two symmetrically distributed rectangular slots 7, and the insert block 5 is located in the rectangular slot 7. The locking component 6 includes a slider 61 that is slidably disposed in the rectangular slot 7. A locking block 62 is provided on the inner side of the slider 61, and a spring 63 is sleeved on the outer side of the locking block 62. The two ends of the spring 63 are respectively connected to the upper part of the slider 61 and the inner wall of the rectangular slot 7. The upper parts of the two locking blocks 62 both extend through the corresponding rectangular slot 7 and are jointly provided with a connecting plate 64.

[0029] refer to Figure 3 The upper part of the insert 5 is provided with a limiting port 8 that is adapted to the locking block 62, and the bottom end of the locking block 62 is inserted into the limiting port 8.

[0030] refer to Figure 3The front side of the locking block 62 and the rear side of the insert block 5 are both sloped to fit together.

[0031] When the damaged sound insulation layer 3 needs to be replaced, the worker can pull the connecting plate 64, which will cause the two locking blocks 62 to move upwards simultaneously. As the locking blocks 62 move upwards, the slider 61 will slide upwards along the inner wall of the rectangular groove 7. At this time, the spring 63 sleeved on the outside of the locking block 62 will be gradually compressed by the slider 61. As the locking block 62 continues to move upwards, its bottom end will gradually disengage from the limiting port 8 on the upper part of the insert 5, completely releasing the locking constraint on the insert 5. At this time, the worker can flip the sealing plate 4 outwards. When the sealing plate 4 rotates, it will cause the insert 5 on the rear side to disengage from the rectangular groove 7 of the mounting frame 2. Then, the connecting plate 64 is released. At this time, the spring 63 can drive the locking block 62 to reset. Then, the worker can directly remove the damaged sound insulation layer 3 from inside the mounting frame 2 and install the new sound insulation layer. 3. Insert the adapter into the mounting frame 2, and then rotate the sealing plate 4 in the opposite direction so that the insert 5 on the back side of the sealing plate 4 is reinserted into the rectangular groove 7. During this process, the ramp-shaped structure on the back side of the insert 5 will contact the ramp-shaped structure on the front side of the locking block 62 and generate sliding compression. Under the guidance of the ramp, the insert 5 will push the locking block 62 to compress the spring 63 again until the insert 5 is fully inserted into the rectangular groove 7. At this time, the limiting port 8 on the insert 5 will be aligned with the bottom position of the locking block 62. The spring 63 will no longer be compressed and will release its elastic potential energy, pushing the slider 61 and the locking block 62 to reset downwards simultaneously. The bottom end of the locking block 62 is reinserted into the limiting port 8, completing the locking of the insert 5 and the sealing plate 4. The entire sound insulation layer 3 replacement operation does not require the use of additional tools and can be completed by only pulling and flipping, greatly improving maintenance efficiency.

[0032] It should be noted that spring 63 can be made of high-stiffness, fatigue-resistant alloy spring (such as chrome vanadium steel spring), which has strong elastic deformation recovery ability and can resist elastic decay caused by long-term vibration. Even if it undergoes slight deformation due to vibration, it can still maintain continuous downward pressure on slider 61, ensuring that locking block 62 is stably inserted into limit port 8.

[0033] refer to Figure 1 and Figure 2 The upper part of the mounting frame 2 has a notch 9 for accommodating the connecting plate 64.

[0034] The notch 9 prevents the connecting plate 64 from protruding from the surface of the mounting frame 2, thus preventing the connecting plate 64 from shifting due to collisions with debris in the outdoor environment, thereby ensuring the locking effect of the insert 5. At the same time, the notch 9 makes it more convenient for workers to pull the connecting plate 64.

[0035] refer to Figure 1 and Figure 2The mounting frame 2 has a plug plate 10 on the left side and a rectangular opening 11 on the right side that is adapted to the plug plate 10.

[0036] refer to Figure 2 and Figure 4 The insert plate 10 has two symmetrically distributed mounting openings 12 on the side away from the mounting frame 2. A first magnet 13 is provided in the mounting opening 12, and a second magnet 14 is provided in the rectangular opening 11 to cooperate with the first magnet 13. The first magnet 13 and the second magnet 14 are opposite magnets.

[0037] When multiple mounting frames 2 need to be spliced, the insert plate 10 on the left side of the previous mounting frame 2 can be aligned with the rectangular opening 11 on the right side of the next mounting frame 2 and inserted. This allows for a quick initial connection of the two sets of devices without the need for repeated position calibration, significantly shortening the splicing construction time. This is especially suitable for batch installation operations on long-distance bridges or roads. At the same time, when the insert plate 10 is fully inserted into the rectangular opening 11, the first magnet 13 in the mounting opening 12 of the insert plate 10 will automatically magnetically adhere to the second magnet 14 in the rectangular opening 11. The magnetic force tightly fixes the insert plate 10 to the rectangular opening 11, preventing gaps or loosening at the splicing point from occurring due to external factors such as vibrations from vehicle travel and strong wind impacts during long-term use of the two sets of mounting frames 2.

[0038] Working principle: When installing the mounting frame 2, the cooperation between the insert plate 10 and the rectangular opening 11 facilitates the splicing of multiple mounting frames 2. Simultaneously, the cooperation of the first magnet 13 and the second magnet 14 ensures the stability of the assembled mounting frames 2. When it is necessary to replace the damaged sound insulation layer 3, the worker can pull the connecting plate 64 to move the two locking blocks 62 upwards simultaneously. The upward movement of the locking blocks 62 causes the slider 61 to slide upwards. At this time, the spring 63 will gradually compress due to the pressure of the slider 61. After the bottom end of the locking block 62 moves out of the limiting opening 8 on the upper part of the insert block 5, the locking of the insert block 5 is released. At this time, the worker can flip the sealing plate 4 outwards. When the sealing plate 4 rotates, it will cause the rear insert block 5 to disengage from the rectangular groove 7 of the mounting frame 2. Then, the connecting plate 64 is released, and the spring 63 can drive the locking block 62 to reset. Then the worker... The operator can directly remove the damaged sound insulation layer 3 from inside the mounting frame 2, fit the new sound insulation layer 3 into the mounting frame 2, and then rotate the sealing plate 4 in the reverse direction so that the insert 5 on the back of the sealing plate 4 is reinserted into the rectangular groove 7. During this process, the insert 5 presses against the locking block 62, which pushes the locking block 62 to compress the spring 63 again until the insert 5 is fully inserted into the rectangular groove 7. At this time, the limiting port 8 on the insert 5 will be aligned with the bottom position of the locking block 62. The spring 63 is no longer compressed and releases its elastic potential energy, pushing the slider 61 and the locking block 62 to reset downwards simultaneously. The bottom end of the locking block 62 is reinserted into the limiting port 8, completing the locking of the insert 5 and the sealing plate 4. The entire sound insulation layer 3 replacement operation does not require the use of additional tools and can be completed by only pulling and flipping. At the same time, there is no need to loosen multiple mounting frames 2, which greatly improves the efficiency of maintenance.

[0039] The embodiments of this utility model are given for the purpose of illustration and description. Although embodiments of this utility model have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the utility model. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this utility model, which is defined by the appended claims and their equivalents.

Claims

1. A noise reduction device for roads and bridges, characterized in that, Includes a base (1), an installation frame (2) is provided on the upper part of the base (1), a sound insulation layer (3) is provided inside the installation frame (2), a sealing plate (4) is rotatably provided on the front side of the installation frame (2), two symmetrically distributed inserts (5) are provided on the rear side of the sealing plate (4), and a locking component (6) for locking the inserts (5) is provided on the installation frame (2). The front side of the mounting frame (2) is provided with two symmetrically distributed rectangular slots (7), and the insert (5) is located in the rectangular slot (7). The locking component (6) includes a slider (61) that is slidably disposed in the rectangular slot (7). A locking block (62) is provided on the inner side of the slider (61). A spring (63) is sleeved on the outer side of the locking block (62). The two ends of the spring (63) are respectively connected to the upper part of the slider (61) and the inner wall of the rectangular slot (7). The upper parts of the two locking blocks (62) both extend through the corresponding rectangular slots (7) and are jointly provided with a connecting plate (64).

2. The road and bridge noise reduction device as described in claim 1, characterized in that: The upper part of the insert (5) is provided with a limiting port (8) that is adapted to the locking block (62), and the bottom end of the locking block (62) is inserted into the limiting port (8).

3. The road and bridge noise reduction device as described in claim 1, characterized in that: The front side of the locking block (62) and the rear side of the insert block (5) are both in a matching slope shape.

4. The road and bridge noise reduction device as described in claim 1, characterized in that: The upper part of the mounting frame (2) is provided with a notch (9) for accommodating the connecting plate (64).

5. The road and bridge noise reduction device as described in claim 1, characterized in that: The mounting frame (2) has a plug plate (10) on the left side and a rectangular opening (11) adapted to the plug plate (10) on the right side.

6. The road and bridge noise reduction device as described in claim 5, characterized in that: The insert plate (10) has two symmetrically distributed mounting openings (12) on the side away from the mounting frame (2). A first magnet (13) is provided in the mounting opening (12), and a second magnet (14) is provided in the rectangular opening (11) to cooperate with the first magnet (13). The first magnet (13) and the second magnet (14) are opposite magnets.

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