Sound insulation and noise reduction structure for light rail transit

Abstract

The utility model belongs to sound insulation and noise reduction technical field, especially a kind of sound insulation and noise reduction structure for light rail traffic. The technology includes the baffle of vertical arrangement, the bottom of baffle is horizontally fixed with bottom plate, the bottom of the side of baffle away from track is provided with planting groove for planting climbing plant, and the baffle above planting groove is provided with climbing net for making climbing plant climb. The utility model is planted by climbing plant on baffle, and the sound diffused from the edge and top of baffle is absorbed by climbing plant, the sound diffused from the top and edge of baffle is reduced, and the sound absorption effect of baffle is also increased by climbing plant itself, so as to improve the noise reduction effect of baffle.

Description

Technical Field

[0001] This utility model belongs to the field of sound insulation and noise reduction technology, and in particular relates to a sound insulation and noise reduction structure for light rail transit. Background Technology

[0002] During operation, light rail generates noise as the wheels roll on the tracks, which is transmitted through the air and structure. Friction between the train body and the air also produces noise, as does the electromagnetic hum and high-frequency howling of the traction motor during startup, acceleration, and operation. Since light rail lines typically run alongside residences, schools, hospitals, and office buildings, this noise can disrupt rest, study, and work. Therefore, sound insulation and noise reduction structures are installed to reduce light rail noise.

[0003] Current sound insulation and noise reduction structures include vertical sound barriers, which are vertical panels made of sound-insulating material that curve once towards the track at the top. However, some noise can still diffuse through the top or sides of the vertical sound barrier. There are currently no measures to reduce this kind of noise emission on the vertical sound barrier, and the vertical sound barrier itself is not completely soundproof, so the noise generated by the light rail is still relatively large, resulting in a relatively low noise reduction effect of the vertical sound barrier. Utility Model Content

[0004] The purpose of this invention is to provide a sound insulation and noise reduction structure for light rail transit, thereby improving the noise reduction effect of vertical sound barriers.

[0005] The aforementioned sound insulation and noise reduction structure for light rail transit includes a vertically arranged partition, with a base plate horizontally fixed at the bottom of the partition. A planting trough for planting climbing plants is provided on the bottom side of the partition away from the track, and a climbing net for the climbing plants to attach to is provided on the partition above the planting trough.

[0006] Furthermore, a water collection trough with its opening facing upward is fixed to the side wall of the partition above the planting trough. The water collection trough and the planting trough are staggered, and the planting trough is located on the side of the water collection trough away from the partition. The bottom of the water collection trough is equipped with a drip irrigation component for drip irrigation of the climbing plants in the planting trough.

[0007] Furthermore, the water collection tank is equipped with an insulating component to reduce water evaporation.

[0008] Furthermore, the isolation component includes several floats floating in the water collection tank.

[0009] Furthermore, the top of the water collection tank is equipped with a barrier to prevent the float from falling out.

[0010] Furthermore, the barrier assembly includes an overflow hole formed on the side wall of the water collection tank.

[0011] Furthermore, there are two overflow holes, which are located on the side wall of the water collection tank in the width direction.

[0012] Furthermore, a grid plate is provided on the top of the water collection tank.

[0013] Furthermore, the drip irrigation assembly includes a fixed pipe suspended at the bottom of the water collection trough, the length direction of the fixed pipe being flush with the length direction of the planting trough, and the fixed pipe being located above the planting trough. The bottom of the fixed pipe has several through holes along its length for water to drip out, and the fixed pipe is connected to the bottom of the water collection tank through a connecting pipe.

[0014] Furthermore, a water inlet pipe is provided at the top of the side wall of the water collection tank, a valve is installed on the water inlet pipe, and the water inlet pipe is connected to a water supply assembly.

[0015] Compared with the prior art, the present invention has the following beneficial effects: This invention improves the noise reduction effect of a partition by installing climbing plants on it. The climbing plants absorb sound that diffuses from the edges and top of the partition, reducing the sound diffusion from the top and edges of the partition. In addition, the climbing plants themselves increase the sound absorption effect of the partition, thereby improving the noise reduction effect of the partition. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 for Figure 1 A schematic diagram of the right-side view structure; The components in the diagram are named as follows: 1. Partition; 2. Base plate; 3. Planting trough; 4. Support rod; 5. Fixing pipe; 6. Connecting pipe; 7. Water collection trough; 7.1. Overflow hole; 8. Float; 9. Mesh plate; 10. Climbing net. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

[0018] This embodiment describes a sound insulation and noise reduction structure for light rail transit, such as... Figure 1 and Figure 2As shown, the barrier includes a vertically arranged partition 1, which is an existing upright sound barrier. The top of the partition 1, near the track, has an arc-shaped structure. A base plate 2 is horizontally fixed to the bottom of the partition 1, and the base plate 2 is fixed to the ground with expansion bolts, thus securing the partition 1. A planting trough 3 for planting climbing plants is provided on the bottom of the side of the partition 1 away from the track. One side of the base plate 2 extends beyond the partition 1, and the planting trough 3 is fixed to the top of the base plate 2. The planting trough 3 has an upward-facing trough structure. Evergreen and weather-resistant climbing plants are selected, with *Trachelospermum jasminoides* (also known as star jasmine) being preferred because it can adapt to various conditions. In order to suit the climate of both the north and the south, and in actual use, the appropriate climbing plants are selected according to the location. For example, in the north, Euonymus fortunei can be selected, while in the south, creeping fig and ivy can be selected. The depth of the planting trough 3 is not less than 40cm to ensure that the plants have a continuous supply of water and nutrients. The partition 1 above the planting trough 3 is equipped with a climbing net 10 for the climbing plants to climb on. The climbing net 10 can be a metal mesh or stainless steel wire. Perforated plates are fixed on the edge and top of the partition 1, and the edge of the climbing net 10 is bound with iron wire.

[0019] A water collection trough 7 with its opening facing upwards is fixed to the side wall of the partition 1 above the planting trough 3. The water collection trough 7 and the planting trough 3 are staggered, and the planting trough 3 is located on the side of the water collection trough 7 away from the partition 1. The water collection trough 7 and the planting trough 3 are arranged in a stepped manner to avoid the water collection trough 7 blocking the planting trough 3. The water collection trough 7 can collect rainwater flowing down from the side wall of the partition 1, which becomes water and nutrients for the climbing plants in the planting trough 3, making reasonable use of resources and reducing the difficulty of maintaining the climbing plants in the planting trough 3.

[0020] The water collection tank 7 contains several hollow plastic floats 8 that float within it. These floats completely cover the water surface, maintaining their position as the water level rises and falls. The floats form a physical barrier at the top of the tank, preventing direct contact between the water and air and significantly reducing the impact of airflow on the water surface. This allows the water in the tank to be retained for a longer period. Furthermore, climbing plants can further shield the opening of the tank, minimizing airflow and reducing water evaporation. In some embodiments, foam boards can also be laid within the tank. This section constitutes an insulating component that reduces water evaporation from the water collection tank 7.

[0021] The side wall of the water collection tank 7 has an overflow hole 7.1. The diameter of the float 8 is smaller than the height of the overflow hole 7.1 to prevent the float 8 from passing through the overflow hole 7.1. Furthermore, the diameter of the float 8 is smaller than the distance from the overflow hole 7.1 to the top of the water collection tank 7, meaning that when water overflows from the overflow hole 7.1, the float 8 will not exceed the top of the water collection tank 7. The overflow hole 7.1 limits the highest water level in the water collection tank 7, thus preventing the float 8 from falling out of the water collection tank 7 due to excessively high water levels. In some embodiments, the overflow hole 7.1 can be omitted, and the float 8 can be blocked directly by the mesh plate 9. This section constitutes a blocking component to prevent the float 8 from falling out of the water collection tank 7.

[0022] There are two overflow holes 7.1, which are located on the side wall of the water collection tank 7 in the width direction, such as... Figure 1 As shown in the location diagram, the left and right side walls of the planting trough 3 are the length of the planting trough 3. The planting trough 3 is located to the lower right of the water collection trough 7. The overflow hole 7.1 is opened on the front and rear side walls of the water collection trough 7. When the rain is too heavy, the water in the water collection trough 7 flows out from the overflow hole 7.1, which can prevent it from flowing directly into the planting trough 3 and causing a large amount of erosion.

[0023] A grid plate 9 is provided on the top of the water collection trough 7. A through groove for the grid plate 9 to pass through is provided on the side wall of the water collection trough 7 above the overflow hole 7.1 away from the partition plate 1. A slot for inserting the grid plate 9 is provided on the inner side wall of the water collection trough 7 near the partition plate 1. The grid plate 9 passes through the through groove and is inserted into the slot, so that it can be fixed on the water collection trough 7 above the overflow hole 7.1. The grid plate 9 can prevent the water in the water collection trough 7 from being discharged in time in extreme cases of excessive rainfall, and can also prevent the float ball 8 from floating out from the top of the water collection trough 7. In addition, the grid plate 9 can also prevent climbing plants and some debris from falling into the water collection trough 7.

[0024] A fixing pipe 5 is suspended at the bottom of the water collection trough 7. The length of the fixing pipe 5 is flush with the length of the planting trough 3, and the fixing pipe 5 is located above the planting trough 3. The left side wall of the planting trough 3 is located below the right side of the water collection trough 7. A right support rod 4 is vertically fixed at the top of the planting trough 3 to support the water collection trough 7. The fixing pipe 5 is located at the bottom of the right side of the water collection trough 7. Several through holes for water dripping are opened at the bottom of the fixing pipe 5 along its length. The fixing pipe 5 is connected to the inner bottom of the water collection trough 7 through a connecting pipe 6. A valve can be installed on the connecting pipe 6 to close the connecting pipe 6. In some embodiments, the through holes at the bottom of the fixing pipe 5 may not be opened, and a drip irrigation head may be installed at the bottom of the fixing pipe 5. This section constitutes a drip irrigation component for drip irrigation of climbing plants in the planting trough 3.

[0025] In order to clean the bottom of the water collection tank 7, a drain pipe is installed at the bottom of the side wall of the water collection tank 7, and a valve is installed on the drain pipe.

[0026] A water inlet pipe is installed on the top of the side wall of the water collection tank 7. A valve is installed on the water inlet pipe. The water inlet pipe is connected to a water supply component. The water inlet pipe can be connected to the existing water supply pipe. After the water in the water collection tank 7 dries up, water can be artificially supplied to the water collection tank 7 in case of prolonged high temperature weather, providing a backup solution.

[0027] The working principle and technical effects of this embodiment: In use, climbing plants are planted on the side of partition 1 away from the track. The leaves and substrate of the climbing plants absorb noise that spreads from the edges and top of partition 1. The climbing plants themselves provide additional sound absorption benefits, increasing the sound absorption effect of partition 1 and thus improving the noise reduction effect of partition 1. At the same time, the climbing plants can improve the visual landscape along the track, and the leaves of the climbing plants can also absorb dust and purify the air, thus beautifying the environment. Rainwater is collected through the water collection tank 7 and can be drip-irrigated to the climbing plants planted in the planting trough 3, providing water and nutrients to the climbing plants, ensuring their survival and reducing the intensity of maintenance.

Claims

1. A sound insulation and noise reduction structure for light rail transit, comprising a vertically arranged partition (1), the bottom of which is horizontally fixed with a base plate (2), characterized in that: The bottom of the partition (1) away from the track is provided with a planting trough (3) for planting climbing plants, and a climbing net (10) for climbing plants to climb is provided on the partition (1) above the planting trough (3).

2. The sound insulation and noise reduction structure for light rail transit according to claim 1, characterized in that: A water collection trough (7) with its opening facing upward is fixed on the side wall of the partition (1) above the planting trough (3). The water collection trough (7) and the planting trough (3) are staggered, and the planting trough (3) is located on the side of the water collection trough (7) away from the partition (1). The bottom of the water collection trough (7) is equipped with a drip irrigation component for drip irrigation of the climbing plants in the planting trough (3).

3. The sound insulation and noise reduction structure for light rail transit according to claim 2, characterized in that: The water collection tank (7) is equipped with an isolation component to reduce water evaporation.

4. The sound insulation and noise reduction structure for light rail transit according to claim 3, characterized in that: The isolation component includes several floats (8) floating in the water collection tank (7).

5. The sound insulation and noise reduction structure for light rail transit according to claim 4, characterized in that: The top of the water collection tank (7) is provided with a barrier to prevent the float (8) from falling out.

6. The sound insulation and noise reduction structure for light rail transit according to claim 5, characterized in that: The barrier assembly includes an overflow hole (7.1) formed on the side wall of the water collection tank (7).

7. The sound insulation and noise reduction structure for light rail transit according to claim 6, characterized in that: There are two overflow holes (7.1), which are located on the side wall of the water collection tank (7) in the width direction.

8. The sound insulation and noise reduction structure for light rail transit according to claim 7, characterized in that: The top of the water collection tank (7) is provided with a grid plate (9).

9. The sound insulation and noise reduction structure for light rail transit according to claim 8, characterized in that: The drip irrigation assembly includes a fixed pipe (5) suspended at the bottom of the water collection trough (7), the length direction of the fixed pipe (5) is flush with the length direction of the planting trough (3), and the fixed pipe (5) is located above the planting trough (3); The bottom of the fixed pipe (5) has several through holes along its length for water to drip out. The fixed pipe (5) is connected to the bottom of the water collection tank (7) through the connecting pipe (6).

10. The sound insulation and noise reduction structure for light rail transit according to claim 9, characterized in that: The top of the side wall of the water collection tank (7) is provided with a water inlet pipe, a valve is installed on the water inlet pipe, and a water supply component is connected to the water inlet pipe.

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