A staggered wave-shaped sound barrier with a multi-layer composite sound absorption structure

Abstract

The application discloses a staggered and stacked wave-shaped sound barrier with a multilayer composite sound absorption structure and relates to the technical field of sound absorption equipment. The technical scheme is as follows: the sound barrier comprises an I-shaped stand column and a multilayer sound absorption assembly, the multilayer sound absorption assembly is arranged on one side of the I-shaped stand column, the multilayer sound absorption assembly is used for absorbing noise, the multilayer sound absorption assembly comprises a bottom plate, a side plate, an outer sound absorption plate and an inner sound absorption plate, recesses one and two are formed in the top surface of the bottom plate, recesses three and four are formed in the inner side of the side plate, the multilayer sound absorption assembly and the clamping and replacing assembly are used, the multilayer staggered sound absorption structure and the air layer can be used for more sufficient sound absorption, the inner sound absorption plate can be prevented from being blocked, and noise can be fully absorbed and reduced from multiple angles.

Description

Technical Field

[0001] This invention belongs to the field of sound absorption equipment technology, specifically sound barrier, and relates to a staggered, overlapping wave-shaped sound barrier with a multi-layered composite sound absorption structure. Background Technology

[0002] A sound barrier is a physical shielding structure specifically designed to block and reduce the propagation of noise. Sound barriers can separate noise sources from protected areas and can reduce noise in protected areas by blocking direct sound. Sound barriers have a wide range of applications and can be used in road traffic, railways and high-speed rail, and industrial plants. There are different types of sound barriers, among which the staggered overlapping wave-shaped sound barrier with a multi-layer composite sound-absorbing structure can improve the sound blocking effect.

[0003] Patent application CN223214462U discloses a staggered, stacked wave-shaped sound barrier, comprising a base and a frame. The base is fixedly connected to the frame, and a plate, a first wave-shaped screen assembly, and a second wave-shaped screen assembly are sequentially installed from front to back on the inner side of the frame. The first and second wave-shaped screen assemblies have similar structures, each composed of several wave-shaped sound-absorbing strips, with both sides of the strips being wave-like. The wave-shaped sound-absorbing strips in the first and second wave-shaped screen assemblies are staggered and superimposed on each other, and then fixedly connected to the plate to form a wave-shaped sound barrier. This wave-shaped sound barrier, through the staggered stacking of two wave-shaped screen structures, makes the sound wave path more complex when passing through the barrier, enhancing the barrier's ability to reflect, diffract, and absorb noise, effectively reducing noise energy. Simultaneously, with changes in light and viewing angle, the sound barrier exhibits rich light and shadow effects and dynamic aesthetics, making it more visually appealing.

[0004] The aforementioned comparative documents only utilize double-layered, staggered, wavy sound-absorbing strips for sound absorption. They cannot achieve more thorough sound absorption through a multi-layered, staggered sound-absorbing structure and air layer, nor can they prevent the inner sound-absorbing panels from clogging. This can easily result in the sound-absorbing structure being too tightly attached, failing to buffer and absorb sound effectively. Furthermore, the removable inner sound-absorbing cotton cannot be quickly disassembled and replaced, which can lead to saturation of the removable cotton and reduced sound absorption. This hinders the ease of use of the sound barrier and fails to comprehensively improve sound absorption and noise reduction from multiple angles.

[0005] In summary, the present invention provides a staggered, overlapping wave-shaped sound barrier with a multi-layered composite sound-absorbing structure to solve the above-mentioned problems. Summary of the Invention

[0006] To address the shortcomings of existing technologies, the present invention aims to provide a staggered, overlapping, wave-shaped sound barrier with a multi-layered composite sound-absorbing structure. Its advantages include: more thorough sound absorption through the multi-layered, staggered sound-absorbing structure and air layer; anti-clogging treatment of the inner sound-absorbing panels; and quick disassembly and replacement of the inner removable sound-absorbing cotton, avoiding the problem of reduced sound absorption effect due to saturation of the removable sound-absorbing cotton. This improves the ease of use of the sound barrier and enhances sound absorption and noise reduction effects from multiple angles.

[0007] To achieve the above objectives, the present invention provides the following technical solution: A staggered, wave-shaped sound barrier with a multi-layered composite sound-absorbing structure includes an I-shaped column and a multi-layered sound-absorbing assembly. The multi-layered sound-absorbing assembly is installed on one side of the I-shaped column and is used to absorb noise. The multi-layered sound-absorbing assembly includes a base plate, a side plate, an outer sound-absorbing plate, and an inner sound-absorbing plate. The top surface of the base plate has two grooves, and the inner side of the side plate has two grooves, a third and a fourth. The outer sound-absorbing plate passes through the interior of the first and third grooves, and the inner sound-absorbing plate passes through the interior of the second and fourth grooves. A movable sound-absorbing plate is hinged below the outer sound-absorbing plate, and removable sound-absorbing cotton is inserted between the outer and inner sound-absorbing plates.

[0008] Preferably, a clamping and replacement assembly is installed above the I-shaped column, which is used to support and stretch the detachable sound-absorbing cotton.

[0009] Preferably, the clamping and changing assembly includes a power component, an upper clamping component, and a lower clamping component. The power component includes a top box, a servo motor, and a reel. The top box is fixedly installed above the I-shaped column. The servo motor is fixedly installed inside the top box. The reel is fixedly connected to the output shaft of the servo motor. The reel rotates through the inside of the top box. Steel wire ropes are symmetrically wound around the outside of the reel.

[0010] Preferably, the upper clamping member includes an upper clamping plate one and an upper clamping plate two. The lower end of the wire rope is fixedly connected to the upper clamping plate one. A fixing cone one is fixedly installed on the side wall of the upper clamping plate two. The upper end of the detachable sound-absorbing cotton passes between the upper clamping plate one and the upper clamping plate two. The fixing cone one is inserted into the side wall of the upper clamping plate one through the detachable sound-absorbing cotton. A bolt one is threaded through the upper clamping plate one and the upper clamping plate two. The upper clamping plate one and the upper clamping plate two pass through the bottom of the top box.

[0011] Preferably, the lower clamping member includes a lower clamping plate one and a lower clamping plate two, the lower end of the detachable sound-absorbing cotton is inserted between the lower clamping plate one and the lower clamping plate two, a fixing cone two is fixedly installed on the side wall of the lower clamping plate two, the fixing cone two is inserted into the side wall of the lower clamping plate one through the detachable sound-absorbing cotton, and bolts two are threaded through the lower clamping plate one and the lower clamping plate two.

[0012] Preferably, the inner side of the side plate is provided with a sliding groove and an insertion hole, the two ends of the upper clamping plate are slidably inserted into the sliding groove, and the two ends of the lower clamping plate are inserted into the insertion hole.

[0013] Preferably, the side walls of the outer sound-absorbing panel and the movable sound-absorbing panel are provided with pins.

[0014] Preferably, a solar panel is fixedly mounted on the top of the top box.

[0015] Preferably, the top surface of the base plate and the inner side of the side plate are respectively provided with a slot 1 and a slot 2, and a sound insulation back plate is inserted inside the slot 1 and the slot 2.

[0016] Preferably, the side wall of the I-shaped column is fixedly equipped with a sound insulation reinforcement plate.

[0017] In summary, the beneficial technical effects of the present invention are as follows: 1. By setting up multi-layered sound absorption components, it is possible to achieve more complete sound absorption through the multi-layered staggered sound absorption structure and air layer, while also protecting the inner sound absorption panel from blockage. This avoids the problem of the sound absorption structure being too close to the air layer and failing to buffer and absorb sound, and also prevents the inner sound absorption panel from being blocked and failing to absorb sound effectively.

[0018] By using multi-layered absorption components and clamping replacement components, the inner detachable sound-absorbing cotton can be quickly disassembled and replaced, avoiding the sound absorption effect from being reduced due to saturation of the detachable sound-absorbing cotton. This improves the ease of use of the sound barrier and enhances the sound absorption and noise reduction effect from multiple angles.

[0019] The specific embodiments of the present invention will now be described in further detail with reference to the accompanying drawings. Attached Figure Description

[0020] The accompanying drawings described below are merely some embodiments. Those skilled in the art can obtain other drawings based on these drawings without any creative effort. In the drawings: Figure 1 This is a front view structural diagram of the present invention; Figure 2 This is a schematic diagram of the disassembled structure of the multi-layer attraction component of the present invention; Figure 3 For the present invention Figure 2 A magnified structural diagram of A in the middle; Figure 4 This is a cross-sectional structural diagram of the present invention; Figure 5 For the present invention Figure 4 A magnified structural diagram of B in the diagram; Figure 6 This is a schematic diagram of the disassembled structure of the clamping and replacement component of the present invention; Figure 7 For the present invention Figure 6 A magnified structural diagram of C; Figure 8 For the present invention Figure 6 A magnified structural diagram of D in the diagram; The attached diagram lists the components represented by each number as follows: 1. I-shaped column; 2. Multi-layer sound absorption assembly; 201. Base plate; 202. Side plate; 203. External sound-absorbing panel; 204. Internal sound-absorbing panel; 205. Movable sound-absorbing panel; 206. Removable sound-absorbing cotton; 3. Groove 1; 4. Groove 2; 5. Groove 3; 6. Groove 4; 7. Clamping and replacement assembly; 701. Top box; 702. Servo motor; 703. Reel; 704. Steel wire rope; 705. Upper clamping plate 1; 706. Upper clamping plate 2; 707. Fixing cone 1; 708. Bolt 1; 709. Lower clamping plate 1; 710. Lower clamping plate 2; 711. Fixing cone 2; 712. Bolt 2; 8. Slide groove; 9. Insertion hole; 10. Pin; 11. Solar panel; 12. Slot 1; 13. Slot 2; 14. Sound insulation back panel; 15. Sound insulation reinforcement plate. Detailed Implementation

[0021] The present invention will be further described in detail below with reference to the accompanying drawings.

[0022] Reference Figure 1-5This invention discloses a staggered, overlapping wave-shaped sound barrier with a multi-layered composite sound-absorbing structure, comprising I-shaped columns 1 and multi-layered sound-absorbing components 2. Two I-shaped columns 1 are symmetrically arranged on both sides of the multi-layered sound-absorbing components 2. The multi-layered sound-absorbing components 2 are fixedly installed on the road surface and on one side of the I-shaped columns 1. The multi-layered sound-absorbing components 2 are used to absorb noise. The multi-layered sound-absorbing components 2 include a base plate 201, a side plate 202, an outer sound-absorbing panel 203, and an inner sound-absorbing panel 204. The bottom surface of the base plate 201 is in close contact with the road surface, which helps to improve the sound insulation effect. The top surface of the base plate 201 has a first groove 3 and a second groove 4, and the inner side of the side plate 202 has a groove. The outer sound-absorbing panel 203 is inserted inside the first groove 3 and the third groove 5. The bottom plate 201 and the side plate 202 can be fixed to the outer sound-absorbing panel 203 through the first groove 3 and the third groove 5. The inner sound-absorbing panel 204 is inserted inside the second groove 4 and the fourth groove 6. The bottom plate 201 and the side plate 202 can be fixed to the inner sound-absorbing panel 204 through the second groove 4 and the fourth groove 6. A movable sound-absorbing panel 205 is hinged below the outer sound-absorbing panel 203. When the movable sound-absorbing panel 205 is closed, it can be used synchronously with the outer sound-absorbing panel 203 to absorb sound. A removable sound-absorbing cotton 206 is inserted between the outer sound-absorbing panel 203 and the inner sound-absorbing panel 204. The removable sound-absorbing cotton 206 can absorb sound.

[0023] according to Figure 4-5 As shown, the outer sound-absorbing panel 203 and the inner sound-absorbing panel 204 are designed in a wave shape, and the sound-absorbing holes on the outer sound-absorbing panel 203 and the inner sound-absorbing panel 204 are staggered. Simultaneously, a hollow structure with movable thickness forms an air layer between the outer sound-absorbing panel 203 and the inner sound-absorbing panel 204. The removable sound-absorbing cotton 206 is placed in this air layer between the outer sound-absorbing panel 203 and the inner sound-absorbing panel 204. This prevents sound from directly passing through the sound-absorbing holes between the outer sound-absorbing panel 203 and the inner sound-absorbing panel 204. Sound enters the air layer between the outer sound-absorbing panel 203 and the removable sound-absorbing cotton 206 through the sound-absorbing holes on the outer sound-absorbing panel 203. The sound-absorbing cotton 206 and the air layer can absorb and buffer sound. The absorbed sound enters the air layer between the inner sound-absorbing panel 204 and the removable sound-absorbing cotton 206 through the removable sound-absorbing cotton 206. At this time, the sound can be absorbed again by the sound-absorbing holes on the inner sound-absorbing panel 204. After multiple absorptions, protection against direct light transmission and buffering by the air layer, the sound can be fully absorbed. The removable sound-absorbing cotton 206 can block dust from entering the air layer between the outer sound-absorbing panel 203 and the inner sound-absorbing panel 204, which can prevent dust from clogging the inner sound-absorbing panel 204 and making it inconvenient to clean, thus improving the sound absorption effect of the inner sound-absorbing panel 204.

[0024] Reference Figure 1 and Figure 4-8In this embodiment, a clamping and replacement assembly 7 is installed above the I-shaped column 1. The clamping and replacement assembly 7 is used to support and stretch the detachable sound-absorbing cotton 206. The clamping and replacement assembly 7 includes a power component, an upper clamping component, and a lower clamping component. The power component includes a top box 701, a servo motor 702, and a reel 703. The top box 701 is fixedly installed above the I-shaped column 1. The top box 701 can press the top of the side plate 202 to prevent the side plate 202 from shaking inside the I-shaped column 1. The servo motor 702 is fixedly installed inside the top box 701. The reel 703 is fixedly connected to the output shaft of the servo motor 702. The servo motor 702 can drive the reel 703 to rotate. The reel 703 rotates through the inside of the top box 701. A steel wire rope 704 is symmetrically wound around the outside of the reel 703. The upper end of the steel wire rope 704 is fixedly connected to the reel 703. The reel 703 can wind up the steel wire rope 704.

[0025] The upper clamping component includes an upper clamping plate 705 and an upper clamping plate 706. The lower end of a steel wire rope 704 is fixedly connected to the upper clamping plate 705, and the steel wire rope 704 can drive the upper clamping plate 705 to rise and fall. A fixing cone 707 is fixedly installed on the side wall of the upper clamping plate 706. The upper end of a removable sound-absorbing cotton 206 passes between the upper clamping plate 705 and the upper clamping plate 706. The upper clamping plate 705 and the upper clamping plate 706 can stretch and fix the upper end of the removable sound-absorbing cotton 206. The fixing cone 707 is inserted into the side wall of the upper clamping plate 705 through the removable sound-absorbing cotton 206. Multiple fixed cones 707 are provided. The fixed cones 707 can be inserted into the upper end of the removable sound-absorbing cotton 206, which can improve the stability of the upper end of the removable sound-absorbing cotton 206 fixed between the upper clamping plate 705 and the upper clamping plate 706. The upper clamping plate 705 and the upper clamping plate 706 are threaded with bolts 708. The bolts 708 can drive the upper clamping plate 705 and the upper clamping plate 706 to be fixed. The upper clamping plate 705 and the upper clamping plate 706 are inserted below the top box 701. The top box 701 can seal the top of the upper clamping plate 705 and the upper clamping plate 706.

[0026] The lower clamping component includes a first lower clamping plate 709 and a second lower clamping plate 710. The lower end of the removable sound-absorbing cotton 206 passes between the first lower clamping plate 709 and the second lower clamping plate 710. The first lower clamping plate 709 and the second lower clamping plate 710 can fix the lower end of the removable sound-absorbing cotton 206. A second fixing cone 711 is fixedly installed on the side wall of the second lower clamping plate 710. The second fixing cone 711 is inserted into the side wall of the first lower clamping plate 709 through the removable sound-absorbing cotton 206. Multiple second fixing cones 711 are provided, including a first fixing cone 707 and a second fixing cone 708. The second 711 can prevent the sound-absorbing cotton 206 from folding and loosening, improve the flatness of the sound-absorbing cotton 206, and make the sound-absorbing cotton 206 better spaced between the outer sound-absorbing plate 203 and the inner sound-absorbing plate 204. The second fixing cone 711 can improve the effect of fixing the lower end of the detachable sound-absorbing cotton 206 between the first lower clamping plate 709 and the second lower clamping plate 710. The second bolt 712 is threaded on the first lower clamping plate 709 and the second lower clamping plate 710, and the second bolt 712 can drive the first lower clamping plate 709 and the second lower clamping plate 710 to be fixed.

[0027] Everyone moves the sound-absorbing panel 205, unscrewing bolt 712 from lower clamping plate 709 and lower clamping plate 710, and removing lower clamping plate 710 and fixing cone 711 from the lower end of the removable sound-absorbing cotton 206 and lower clamping plate 709. The servo motor 702 is then activated to rotate the reel 703 within the top box 701, releasing the steel wire rope 704 from the reel 703. Simultaneously, the lower end of the removable sound-absorbing cotton 206 is pulled by hand. Due to the combined effects of gravity (upper clamping plate 705, upper clamping plate 706, fixing cone 707, bolt 708, and removable sound-absorbing cotton 206) and the pulling force, at this point... The upper clamping plate 705, upper clamping plate 706, fixing cone 707, bolt 708, and removable sound-absorbing cotton 206 can be lowered. Pull the lower end of the removable sound-absorbing cotton 206 out from the opened movable sound-absorbing plate 205. After the upper clamping plate 705, upper clamping plate 706, fixing cone 707, and bolt 708 have been fully lowered, unscrew bolt 708 from the upper clamping plate 705 and upper clamping plate 706. Pull the upper clamping plate 706 to pull the fixing cone 707 out from the upper end of the removable sound-absorbing cotton 206 and the upper clamping plate 705, so that the removable sound-absorbing cotton 206 that needs to be replaced can be removed.

[0028] Lay the upper end of the new removable sound-absorbing cotton 206 flat between the fixing cone 707 on the upper clamping plate 1 705 and the upper clamping plate 2 706. By pressing the upper clamping plate 2 706, the fixing cone 707 is driven to squeeze the upper end of the removable sound-absorbing cotton 206. Then, the fixing cone 707 is inserted into the interior of the upper clamping plate 1 705 through the upper end of the removable sound-absorbing cotton 206. At this time, the bolt 708 is inserted through the upper clamping plate 2 706 and then screwed into the interior of the upper clamping plate 1 705. After tightening the bolt 708, the bolt 708 can drive the upper clamping plate 1 705. 05 and the upper clamping plate 206 tightly clamp the upper end of the detachable sound-absorbing cotton 206. By starting the servo motor 702, the reel 703 is driven to rotate. The reel 703 can pull the wire rope 704. At this time, the reel 703 can wind up the upper end of the wire rope 704. The lower end of the wire rope 704 rises and can drive the upper clamping plate 1 705 to rise. The upper clamping plate 1 705 can drive the upper clamping plate 2 706 to rise through the fixing cone 1 707 and the bolt 1 708. At this time, the upper clamping plate 1 705 and the upper clamping plate 2 706 can drive the upper end of the detachable sound-absorbing cotton 206 to rise.

[0029] After the upper clamping plates 705 and 706 are moved to the top and can no longer rise, stretch the lower end of the removable sound-absorbing cotton 206 flat and place it between the lower clamping plates 709 and 710. By pressing the lower clamping plate 710, it can drive the fixing cone 711 to squeeze the lower end of the removable sound-absorbing cotton 206. Therefore, the fixing cone 711 can penetrate the removable sound-absorbing cotton 206 and insert into the lower clamping plate 709. At this time, the bolt 712 is then inserted into the lower clamping plate 710, and then the bolt 712 is tightened. After screwing into the interior of the lower clamping plate 709 and tightening the bolt 712, the bolt 712 can fix the lower clamping plate 709 and the lower clamping plate 710 and tightly clamp the lower end of the removable sound-absorbing cotton 206. At this time, the removable sound-absorbing cotton 206 can be replaced, improving the sound absorption effect of the removable sound-absorbing cotton 206. The bottom surfaces of the lower clamping plate 709 and the lower clamping plate 710 are in close contact with the top surface of the base plate 201, which can improve the sound absorption effect of the removable sound-absorbing cotton 206 and prevent sound from passing directly through the lower clamping plate 709 and the lower clamping plate 710.

[0030] Reference Figure 2-3 In this embodiment, the inner side of the side plate 202 is provided with a sliding groove 8 and an insertion hole 9. The two ends of the upper clamping plate 705 slide through the inside of the sliding groove 8. The sliding groove 8 can limit the movement trajectory of the upper clamping plate 705 during lifting and lowering, which can prevent the upper clamping plate 705 from shaking and improve the stability of the upper clamping plate 705. The two ends of the lower clamping plate 709 are inserted into the inside of the insertion hole 9, which can fix the lower clamping plate 709.

[0031] Reference Figure 3In this embodiment, the side walls of the outer sound-absorbing plate 203 and the movable sound-absorbing plate 205 are provided with pins 10. The pins 10 can fix the upper end of the movable sound-absorbing plate 205 to the outer sound-absorbing plate 203. When the pins 10 are pulled out, the movable sound-absorbing plate 205 can be rotated downwards. Opening the movable sound-absorbing plate 205 allows for easy pulling out of the detachable sound-absorbing cotton 206.

[0032] Reference Figure 1 and Figure 4 In this embodiment, a solar panel 11 is fixedly installed on the top of the top box 701. The solar panel 11 can absorb solar energy, convert it into electrical energy, and store it to power the servo motor 702.

[0033] Reference Figure 4-5 In this embodiment, the top surface of the base plate 201 and the inner side of the side plate 202 are respectively provided with a first slot 12 and a second slot 13. A sound insulation back plate 14 is inserted inside the first slot 12 and the second slot 13. The first slot 12 and the second slot 13 can fix the sound insulation back plate 14. The sound insulation back plate 14 can block the rear of the inner sound absorption plate 204, preventing sound from passing directly through and leaking through the rear of the inner sound absorption plate 204, thereby improving the sound absorption effect.

[0034] Reference Figure 4 In this embodiment, the side wall of the I-shaped column 1 is fixedly equipped with a sound insulation reinforcement plate 15, which can improve the stability of the sound insulation back panel 14 installation.

[0035] The embodiments described herein are preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, all equivalent changes made in accordance with the structure, shape, and principle of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A staggered, wave-shaped sound barrier with a multi-layered composite sound-absorbing structure, comprising I-shaped columns (1) and multi-layered sound-absorbing components (2), characterized in that: The multi-layer absorption component (2) is installed on one side of the I-shaped column (1). The multi-layer absorption component (2) is used to absorb noise. The multi-layer absorption component (2) includes a base plate (201), a side plate (202), an outer sound-absorbing plate (203), and an inner sound-absorbing plate (204). The top surface of the base plate (201) is provided with a first groove (3) and a second groove (4). The inner side of the side plate (202) is provided with a third groove (5) and a fourth groove (6). The outer sound-absorbing plate (203) passes through the inside of the first groove (3) and the third groove (5). The inner sound-absorbing plate (204) passes through the inside of the second groove (4) and the fourth groove (6). A movable sound-absorbing plate (205) is hinged below the outer sound-absorbing plate (203). A detachable sound-absorbing cotton (206) passes between the outer sound-absorbing plate (203) and the inner sound-absorbing plate (204).

2. The staggered, overlapping wave-shaped sound barrier with a multi-layered composite sound-absorbing structure according to claim 1, characterized in that, A clamping and replacement assembly (7) is installed above the I-shaped column (1), which is used to support and stretch the detachable sound-absorbing cotton (206).

3. The staggered, overlapping wave-shaped sound barrier with a multi-layered composite sound-absorbing structure according to claim 2, characterized in that, The clamping and changing assembly (7) includes a power component, an upper clamping component, and a lower clamping component. The power component includes a top box (701), a servo motor (702), and a reel (703). The top box (701) is fixedly installed above the I-shaped column (1). The servo motor (702) is fixedly installed inside the top box (701). The reel (703) is fixedly connected to the output shaft of the servo motor (702). The reel (703) rotates through the inside of the top box (701). Steel wire ropes (704) are symmetrically wound around the outside of the reel (703).

4. The staggered, overlapping wave-shaped sound barrier with a multi-layered composite sound-absorbing structure according to claim 3, characterized in that, The upper clamping component includes an upper clamping plate one (705) and an upper clamping plate two (706). The lower end of the steel wire rope (704) is fixedly connected to the upper clamping plate one (705). A fixing cone one (707) is fixedly installed on the side wall of the upper clamping plate two (706). The upper end of the detachable sound-absorbing cotton (206) passes between the upper clamping plate one (705) and the upper clamping plate two (706). The fixing cone one (707) is inserted into the side wall of the upper clamping plate one (705) through the detachable sound-absorbing cotton (206). A bolt one (708) is threaded through the upper clamping plate one (705) and the upper clamping plate two (706). The upper clamping plate one (705) and the upper clamping plate two (706) pass under the top box (701).

5. A staggered, overlapping wave-shaped sound barrier with a multi-layered composite sound-absorbing structure according to claim 4, characterized in that, The lower clamping member includes a lower clamping plate one (709) and a lower clamping plate two (710). The lower end of the detachable sound-absorbing cotton (206) is inserted between the lower clamping plate one (709) and the lower clamping plate two (710). A fixing cone two (711) is fixedly installed on the side wall of the lower clamping plate two (710). The fixing cone two (711) is inserted into the side wall of the lower clamping plate one (709) through the detachable sound-absorbing cotton (206). Bolt two (712) is threaded through the lower clamping plate one (709) and the lower clamping plate two (710).

6. A staggered, overlapping wave-shaped sound barrier with a multi-layered composite sound-absorbing structure according to claim 5, characterized in that, The inner side of the side plate (202) is provided with a sliding groove (8) and a socket (9). The two ends of the upper clamping plate (705) slide through the inside of the sliding groove (8), and the two ends of the lower clamping plate (709) are inserted into the inside of the socket (9).

7. A staggered, overlapping wave-shaped sound barrier with a multi-layered composite sound-absorbing structure according to claim 1, characterized in that, The side walls of the external sound-absorbing panel (203) and the movable sound-absorbing panel (205) are provided with pins (10).

8. A staggered, overlapping wave-shaped sound barrier with a multi-layered composite sound-absorbing structure according to claim 3, characterized in that, A solar panel (11) is fixedly installed on the top of the top box (701).

9. A staggered, overlapping wave-shaped sound barrier with a multi-layered composite sound-absorbing structure according to claim 8, characterized in that, The top surface of the base plate (201) and the inner side of the side plate (202) are respectively provided with a slot 1 (12) and a slot 2 (13), and a sound insulation back plate (14) is provided inside the slot 1 (12) and the slot 2 (13).

10. A staggered, overlapping wave-shaped sound barrier with a multi-layered composite sound-absorbing structure according to claim 1, characterized in that, The side wall of the I-shaped column (1) is fixedly equipped with a sound insulation reinforcement plate (15).

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