Noise reduction device for highway traffic engineering

Abstract

The utility model discloses a noise reduction device for road traffic engineering, which relates to the technical field of road traffic engineering, and comprises a rack, a noise reduction plate is arranged above the rack, and the noise reduction plate is used for reducing the noise of the road environment; the sliding box is slidably connected to an inner cavity of the rack, a sliding block is slidably connected to an inner cavity of the sliding box, and the silencing plate is rotationally arranged at the top of the sliding block; and the horizontal driving mechanism is arranged in the rack, and the horizontal driving mechanism is used for driving the sliding block to move. When noise reduction treatment is needed, the horizontal driving mechanism is used for driving the sliding block to move, the sliding block drives the multiple noise reduction plates to unfold to form a complete noise reduction plate, and when noise reduction is not needed to be conducted on the road environment, the horizontal driving mechanism is used for driving the multiple noise reduction plates to fold, so that the noise reduction plates are not affected by wind, and the situation that wind power destroys an equipment structure is avoided; and meanwhile, the occupied space is reduced, and the view of a driver is prevented from being shielded.

Description

Technical Field

[0001] This utility model relates to the field of highway traffic engineering technology, and in particular to a noise reduction device for highway traffic engineering. Background Technology

[0002] Noise reduction devices used in highway traffic engineering mainly refer to sound barriers. Their function is to protect residents along the route from traffic noise by blocking and reducing noise transmission. They are mainly composed of sound-absorbing materials, sound-insulating materials, and structural support systems. They play an important role in noise-sensitive areas such as highways, railways, and urban rail transit, reducing the impact of traffic noise on residents' living and working environments.

[0003] Traditional noise reduction devices used in highway traffic engineering are typically plate-shaped, utilizing their vertical surfaces to reflect some sound waves, reducing the likelihood of them directly propagating to the rear. During use, they are generally arranged at intervals along both sides of the highway. However, long-term exposure to wind can lead to material aging or structural instability, especially for noise reduction devices made of plastic or metal. Prolonged exposure to natural environments accelerates the aging process, reducing the durability of the devices and even causing structural damage in severe cases. Utility Model Content

[0004] The purpose of this invention is to provide a noise reduction device for highway traffic engineering to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a noise reduction device for highway traffic engineering, comprising:

[0006] A frame, with a sound-absorbing plate installed on top of the frame, the sound-absorbing plate being used to reduce noise in the highway environment;

[0007] A sliding box is slidably connected to the inner cavity of the frame, and a slider is slidably connected to the inner cavity of the sliding box. The sound-absorbing plate is rotatably disposed on the top of the slider.

[0008] A horizontal drive mechanism is disposed inside the frame and is used to drive the slider to move.

[0009] Preferably, the horizontal drive mechanism includes a threaded rod, which is rotatably connected to the inner cavity of the sliding box. A drive component is fixedly connected to the outer wall of the sliding box, and the drive component is used to drive the threaded rod to rotate.

[0010] Preferably, there are multiple silencing plates that are hinged together in sequence. A fixing block is fixedly connected to the inner wall of the sliding box. The fixing block is rotatably sleeved on the outside of the threaded rod. The top of the slider and the fixing block are both rotatably connected to a rotating shaft. The outer walls of the two rotating shafts are respectively fixedly connected to the silencing plates at the beginning and end.

[0011] Preferably, a square box is fixedly connected to the top of the frame, and a base plate is fixedly connected to the bottom of the frame, with bolts threaded onto the inner wall of the base plate.

[0012] Preferably, a shock-absorbing mechanism is fixedly installed in the inner cavity of the frame. The shock-absorbing mechanism includes a hydraulic damper, which is fixedly connected to the inner cavity of the frame. One end of the hydraulic damper away from the frame is fixedly connected to the outer wall of the sliding box, and a spring is fixedly connected to the sliding box and the inner cavity of the frame.

[0013] Preferably, the outer wall of the sound-absorbing plate has a through hole, and the inner wall of the through hole is fixedly connected with sound-absorbing cotton.

[0014] The technical effects and advantages of this utility model are as follows:

[0015] When noise reduction is required, this invention uses a horizontal drive mechanism to move a slider, which in turn unfolds multiple noise reduction plates to form a complete noise reduction plate. When noise reduction of the highway environment is not required, the horizontal drive mechanism can be used to retract multiple noise reduction plates to prevent them from being affected by the wind, avoid wind damage to the equipment structure, extend the service life of the equipment, reduce space occupation, and avoid obstructing the driver's view. Attached Figure Description

[0016] Figure 1 This is a frontal three-dimensional structural diagram of the present utility model.

[0017] Figure 2 This is a schematic diagram of the internal three-dimensional structure of the frame of this utility model.

[0018] Figure 3 This is a three-dimensional structural diagram of the sound-absorbing plate of this utility model.

[0019] In the diagram: 1. Frame; 2. Square box; 3. Sound-absorbing plate; 4. Bolt; 5. Base plate; 6. Sliding box; 7. Threaded rod; 8. Slider; 9. Hydraulic damping; 10. Spring; 11. Sound-absorbing cotton; 12. Fixing block; 13. Drive component; 14. Rotating shaft; 15. Through hole. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] This utility model provides, for example Figures 1-3The noise reduction device for highway traffic engineering shown includes a frame 1, a sliding box 6, and a horizontal drive mechanism. A sound-absorbing plate 3 is installed on top of the frame 1. The sound-absorbing plate 3 can be a multi-layer design, with an outer layer of aluminum alloy sound-permeable plate providing support while reducing noise, and an inner layer of rubber plate for broadband noise reduction. The sound-absorbing plate 3 is used to reduce noise in the highway environment. The sliding box 6 is slidably connected to the inner cavity of the frame 1, and a slider 8 is slidably connected to the inner cavity of the sliding box 6. The sound-absorbing plate 3 is rotatably mounted on the top of the slider 8. The horizontal drive mechanism is located inside the frame 1 and is used to drive the slider 8 to move. In specific use: when noise reduction is required, the horizontal drive mechanism drives the slider 8 to move, causing the slider 8 to unfold multiple sound-absorbing plates 3 to form a complete sound-absorbing plate 3. When noise reduction in the highway environment is not required, the horizontal drive mechanism drives the multiple sound-absorbing plates 3 to retract, preventing them from being affected by wind, avoiding wind damage to the equipment structure, and extending the equipment's service life.

[0022] On one hand, the horizontal drive mechanism includes a threaded rod 7, which is rotatably connected to the inner cavity of the sliding box 6. A drive component 13 is fixedly connected to the outer wall of the sliding box 6. The drive component 13 uses a motor. Using a motor to drive the threaded rod 7 occupies less space. Multiple noise reduction devices are arranged in a mutually complementary manner. The drive component 13 is used to drive the threaded rod 7 to rotate. There are multiple sound-absorbing plates that are hinged sequentially. A fixing block 12 is fixedly connected to the inner wall of the sliding box 6. The fixing block 12 is rotatably sleeved on the outside of the threaded rod 7. The top of the slider 8 and the fixing block 12 are both rotatably connected to a rotating shaft 14. The outer walls of the two rotating shafts 14 are fixedly connected to the sound-absorbing plates 3 at the beginning and end, respectively. The sound-absorbing plates 3 are set in a folding manner similar to an accordion box, providing the slider 8 to drive the sound-absorbing at the beginning. The movement of plate 3 enables the unfolding or folding of multiple sound-absorbing plates 3. During off-peak hours or in low-noise sections, the sound-absorbing plates 3 can be folded and stored to reduce space occupation and not obstruct the driver's view. During peak hours, the unfolding area is increased to increase the noise reduction area and form a sound barrier. The hinged multiple sound-absorbing plates 3 also facilitate partial folding and maintenance. In specific use: when noise reduction work is required, the drive component 13 is activated, which drives the threaded rod 7 to rotate. The threaded rod 7 drives the slider 8 to move. Under the limit of the sliding box 6, the slider 8 can only move horizontally along the inner wall of the sliding box 6. The slider 8 drives the rotating shaft 14 to move, and the rotating shaft 14 drives the first section of the sound-absorbing plate 3 to move. The first section of the sound-absorbing plate 3 drives multiple sound-absorbing plates 3 to unfold, forming a sound barrier and achieving the purpose of noise reduction.

[0023] On the other hand, a square box 2 is fixedly connected to the top of the frame 1. The square box 2 is used to store the folded sound-absorbing panels 3 and protect the sound-absorbing panels 3 from wind and sun exposure, which would cause the material to age. A base plate 5 is fixedly connected to the bottom of the frame 1. Bolts 4 are threadedly connected to the inner wall of the base plate 5. In actual use: when not in use, the slider 8 is used to drive multiple sound-absorbing panels 3 to fold until the slider 8 moves into the square box 2, which drives multiple sound-absorbing panels 3 to be completely stored in the square box 2.

[0024] In addition, a damping mechanism is fixedly installed inside the frame 1. The damping mechanism includes a hydraulic damper 9. The damping mechanism is used to buffer and protect the sound-absorbing plate 3 when it is affected by wind force when the sound-absorbing plate 3 forms a sound barrier, so as to prevent structural damage. The hydraulic damper 9 is fixedly connected to the inner cavity of the frame 1. The end of the hydraulic damper 9 away from the frame 1 is fixedly connected to the outer wall of the sliding box 6. The sliding box 6 is fixedly connected to the inner cavity of the frame 1 with a spring 10. The spring 10 is used to move the square box 2 to form a buffer protection. The outer wall of the sound-absorbing plate 3 has a through hole 15. The inner wall of the through hole 15 is fixedly connected with a sound-absorbing cotton 11. The through hole 15 is used to further weaken the wind force. When the sound wave enters the through hole 15, it is affected by the sound-absorbing cotton 11 and the sound wave is diffusely reflected, reducing the directional propagation of noise through scattering. In specific use: when the sound-absorbing plate 3 forms a sound barrier, when the sound wave enters the through hole 15, the sound-absorbing cotton 11 absorbs the sound wave entering from the through hole 15.

[0025] In actual operation: When noise reduction is required, the drive unit 13 is activated, which drives the threaded rod 7 to rotate. The threaded rod 7 drives the slider 8 to move. Under the limit of the sliding box 6, the slider 8 can only move horizontally along the inner wall of the sliding box 6. The slider 8 drives the rotating shaft 14 to move, and the rotating shaft 14 drives the first section of the noise reduction plate 3 to move. The first section of the noise reduction plate 3 drives multiple noise reduction plates 3 to unfold, forming a sound barrier to achieve the purpose of noise reduction. When not in use, the slider 8 drives multiple noise reduction plates 3 to fold until the slider 8 moves into the square box 2, driving multiple noise reduction plates 3 to be completely stored inside the square box 2. When the noise reduction plates 3 form a sound barrier, when the sound waves enter the through hole 15, the sound-absorbing cotton 11 absorbs the sound waves entering from the through hole 15. During off-peak hours or low-noise road sections, the noise reduction plates 3 are folded and stored to reduce space occupation and not obstruct the driver's view. During peak hours, the unfolding area is increased to increase the noise reduction area.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A noise reduction device for highway traffic engineering, characterized in that, Include: Rack (1), the rack (1) is provided with a sound-absorbing board (3) above, the sound-absorbing board (3) is used for reducing noise in highway environment; Slide box (6), the slide box (6) is slidably connected in the cavity of rack (1), the slide box (6) is slidably connected with slide block (8) in the cavity, the sound-absorbing board (3) is rotatably arranged on the top of slide block (8); Horizontal drive mechanism, the horizontal drive mechanism is arranged in the inside of rack (1), the horizontal drive mechanism is used for driving slide block (8) to move.

2. The noise reduction device for highway traffic engineering according to claim 1, characterized in that, The horizontal drive mechanism includes threaded rod (7), the threaded rod (7) is rotatably connected in the cavity of slide box (6), the slide box (6) is fixedly connected with driving element (13) on the outer wall, the driving element (13) is used for driving threaded rod (7) to rotate.

3. The noise reduction device for highway traffic engineering according to claim 2, characterized in that, The sound-absorbing board is a plurality of and is sequentially hinged, the slide box (6) is fixedly connected with fixed block (12) on the inner wall, the fixed block (12) is rotatably sleeved on the outside of threaded rod (7), the slide block (8) and fixed block (12) top are rotatably connected with shaft (14), the outer wall of two shafts (14) is fixedly connected with the sound-absorbing board (3) at the first end and the terminal respectively.

4. The noise reduction device for highway traffic engineering according to claim 3, characterized in that, The top of rack (1) is fixedly connected with square box (2), the bottom of rack (1) is fixedly connected with base plate (5), the inner wall of base plate (5) is threadedly connected with bolt (4).

5. The noise reduction device for highway traffic engineering according to claim 4, characterized in that, The inside of rack (1) is fixedly provided with damping mechanism, the damping mechanism includes hydraulic damping (9), the hydraulic damping (9) is fixedly connected in the cavity of rack (1), the end, away from rack (1), of hydraulic damping (9) is fixedly connected with the outer wall of slide box (6), the slide box (6) is fixedly connected with spring (10) in the cavity of rack (1).

6. The noise reduction device for highway traffic engineering according to claim 5, characterized in that, The outer wall of sound-absorbing board (3) is provided with through hole (15), the inner wall of through hole (15) is fixedly connected with sound-absorbing cotton (11).

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