Sound reduction device for road and bridge engineering

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By designing a road bridge sound reduction device including anti-collision piers, sound insulation panels, wind speed sensors, solar panels and adjustment mechanisms, the problems of loosening, deformation and damage of sound reduction device in strong winds are solved, and more efficient noise isolation and lower maintenance costs are achieved.

CN119933057AInactive Publication Date: 2025-05-06HEILONGJIANG COLLEGE OF CONSTR

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Patent Information

Application Number: CN202510214287.6
Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner
Filing Date: 2025-02-26
Publication Date: 2025-05-06
Estimated Expiration: Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing sound reduction devices of road and bridge engineering are prone to loosening, deforming or even damage in strong winds, resulting in reduced sound reduction effects, increased maintenance costs and increased safety hazards.

Method used

A sound down device including anti-collision piers, acoustic insulation panels, wind speed sensors, solar panels and adjustment mechanisms is designed. The wind speed is monitored by the wind speed sensor. When the set threshold value is exceeded, the adjustment mechanism automatically adjusts the height of the sealing plate to align the ventilation holes, realizes air circulation, and reduces the impact of wind power on the sound insulation plate. Meanwhile, the solar panel provides power, wind speed sensors and control of the regulation mechanism is realized by the control panel.

Benefits of technology

Effectively block vehicle noise, reduce noise pollution, improve the stability and wind resistance of the sound reduction device in windy weather, avoid damage, reduce maintenance costs, and enhance safety performance.

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Abstract

The invention discloses a noise reduction device for road and bridge engineering, and belongs to the technical field of road and bridge engineering. The sound reduction device for the road and bridge engineering comprises a bridge floor, an anti-collision pier is connected to one side of the top end of the bridge floor, a sound insulation plate is connected to one side of the anti-collision pier, a plurality of first ventilation holes are formed in one side of the sound insulation plate, a transparent plate is arranged at the top end of one side of the sound insulation plate, an inclined plate is installed at the top end of the sound insulation plate, and a transverse rod is installed at the top end of the inclined plate. A wind speed sensor is installed at the top end of the transverse rod, a solar panel is installed on one side of the inclined plate, a transverse plate is installed on one side of the sound insulation plate, the bottom end of the transverse plate makes contact with the top end of the anti-collision pier, a sealing plate is arranged on one side of the sound insulation plate, and a plurality of second ventilation holes matched with the first ventilation holes are formed in one side of the sealing plate. According to the sound reduction board, the stability and the wind resistance of the sound reduction board in strong wind weather can be effectively achieved, the sound reduction board is effectively prevented from being damaged, and the practical value is high.

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Description

Technical Field

[0001] The invention relates to the technical field of road and bridge engineering, in particular to a noise reduction device for road and bridge engineering. Background Art

[0002] With the acceleration of urbanization, the construction of roads and bridges is increasing. The noise generated by vehicles running on roads and bridges has a serious impact on the living and working environment of surrounding residents. Therefore, it is necessary to install noise reduction devices in road and bridge projects to reduce noise pollution.

[0003] Based on the above, the inventors found the following problems: Most of the current noise reduction devices for road and bridge projects use sound insulation board structures. In windy weather, the sound insulation board is subjected to large wind forces and is prone to loosening, deformation, or even damage, which not only reduces the noise reduction effect, but also increases maintenance costs and safety hazards. Therefore, in view of this, the inventors studied and improved the existing structure and deficiencies, and provided a noise reduction device for road and bridge projects, in order to achieve a more practical purpose. Summary of the invention

[0004] The object of the present invention is to provide a sound reduction device for road and bridge engineering, so as to solve the problem proposed in the above background technology that most of the current sound reduction devices for road and bridge engineering adopt a sound insulation board structure. In windy weather, the sound insulation board is subjected to large wind force and is prone to loosening, deformation or even damage, which not only reduces the sound reduction effect, but also increases maintenance costs and safety hazards.

[0005] In view of the above problems, the technical solution proposed by the present invention is:

[0006] A sound reduction device for a road bridge project comprises a bridge deck, wherein a top side of the bridge deck is connected to a crash pier, a side of the crash pier is connected to a sound insulation board, a side of the sound insulation board is provided with a plurality of first ventilation holes, a top side of one side of the sound insulation board is provided with a transparent board, a top side of the sound insulation board is provided with an inclined plate installed at the top of the sound insulation board, a top side of the inclined plate is provided with a cross bar installed, a top side of the cross bar is provided with a wind speed sensor installed, a solar panel is installed at one side of the inclined plate, a cross plate is installed at one side of the sound insulation board, a bottom end of the cross plate is in contact with the top of the crash pier, a sealing plate is provided at one side of the sound insulation board, a side of the sealing plate is provided with a plurality of second ventilation holes matched with the first ventilation holes, a height adjustment mechanism for adjusting the height of the sealing plate is installed at the top of the cross plate, a clamping mechanism for clamping the crash pier is installed at one side of the bottom end of the cross plate, a connecting plate is connected to the bottom of the clamping end of the clamping mechanism, and an anti-collision mechanism is installed at one side of the connecting plate.

[0007] Furthermore, the height adjustment mechanism includes a pair of electric telescopic rods, the bottom ends of the pair of electric telescopic rods are respectively fixedly connected to the top sides of the horizontal plate, a lifting plate is installed at the output end of the electric telescopic rod, one side of the lifting plate is connected to the bottom end of one side of the sealing plate, both sides of the sealing plate are installed with sliding sleeves, the inner side of the sliding sleeve is slidably connected to a first slide rail, and one side of the first slide rail is fixedly connected to one side of the sound insulation board. Further, the clamping mechanism includes a fixed plate, a plurality of adjustment screws are installed on the inner side of the fixed plate, one end of the adjustment screw is rotatably connected to a push block, a plurality of second slide rails are installed at the bottom end of the horizontal plate, a clamping plate is slidably connected to the outer side of the second slide rail, one end of the push block is in contact with one side of the clamping plate, and the top of the connecting plate is fixedly connected to the bottom end of the clamping plate.

[0008] Furthermore, a turning handle is installed at the other end of the adjusting screw.

[0009] Furthermore, the anti-collision mechanism includes a plurality of dampers, a first connecting plate is installed at one end of the damper, one end surface of the first connecting plate is fixedly connected to one side of the connecting plate, a second connecting plate is installed at the other end of the damper, a buffer spring is sleeved on the outer side of the damper, one end of the buffer spring is connected to the inner side of the first connecting plate, the other end of the buffer spring is connected to the inner side of the second connecting plate, a connecting frame is installed at one end surface of the second connecting plate, a frame is installed on one side of the connecting frame, and a plurality of guide cylinders are rotatably connected to the inner side of the frame.

[0010] Furthermore, a plurality of fixing seats are installed at the bottom end of the sound insulation board, and one side of the fixing seats is fixedly connected to one side of the anti-collision pier.

[0011] Furthermore, a battery box is installed on the top of the horizontal plate, a lithium battery is installed inside the battery box, and the solar panel is electrically connected to the lithium battery through a charging circuit.

[0012] Furthermore, a control panel is installed on one side of the battery box.

[0013] In another aspect, the present invention provides a method for using a noise reduction device for road and bridge engineering, comprising the following steps:

[0014] S1, installation and fixing: the sound insulation board is fixedly connected to one side of the anti-collision pier through the fixing seat at the bottom end thereof to ensure that the sound insulation board is firmly installed, and the turning handle is rotated to rotate the adjusting screw so that the clamping plate clamps the other side of the anti-collision pier;

[0015] S2, ventilation adjustment: Under normal weather conditions, the second ventilation hole of the sealing plate is completely staggered with the first ventilation hole of the sound insulation board to achieve the sound reduction function. When the wind speed sensor detects that the wind speed exceeds the set threshold, the control panel controls the electric telescopic rod of the height adjustment mechanism to rise, driving the lifting plate and the sealing plate to move along the first slide rail, adjusting the height of the sealing plate to align the first ventilation hole with the second ventilation hole, achieving air circulation, reducing the impact of wind on the sound insulation board, and preventing damage to the sound insulation board;

[0016] S3, anti-collision protection: When a vehicle or object hits the guide cylinder of the anti-collision mechanism, the guide cylinder will rotate inside the frame to change the direction of the object's impact. At the same time, the damper and buffer spring will absorb and buffer the impact energy to reduce damage to the device body and the anti-collision pier;

[0017] S4, power supply: Solar panels absorb solar energy during the day and convert it into electrical energy, which is then used to charge the lithium batteries in the battery box through the charging circuit. The lithium batteries provide power support for electrical equipment such as wind speed sensors, electric telescopic poles, and control panels.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows: the sound reduction device of the road and bridge engineering is connected with a sound insulation board on one side of the anti-collision pier, which can effectively block the noise generated by vehicles running on the road from spreading to the surrounding environment, reduce noise pollution, and create a quiet atmosphere for residents and the environment around the road; a wind speed sensor is installed on the top of the crossbar, which can monitor the wind speed in real time, and provide data support for the subsequent adjustment of the height of the sealing board according to the wind speed, so as to adapt to different wind conditions and protect structures such as the sound insulation board from being damaged by strong winds; a solar panel is installed on one side of the inclined plate, which can convert solar energy into electrical energy to power the electrical equipment in the device, realize energy self-sufficiency, and reduce operating costs; the first ventilation hole and the second ventilation hole are set to realize air circulation, balance the air pressure on both sides of the sound insulation board, and reduce the pressure of wind on the sound insulation board; a lifting plate is installed on the output end of the electric telescopic rod to realize electric adjustment of the sealing plate height, and it is convenient to accurately control the lifting and lowering of the sealing plate according to the monitoring data of the wind speed sensor or the instructions of the operator; a first slide rail is connected to the inner side of the sliding sleeve to improve the lifting stability of the sealing plate; the rotation of one end of the adjusting screw The push block is dynamically connected, and the pushing block can push the clamping plate to move by rotating the adjusting screw, so as to clamp the anti-collision pier in cooperation with the sound insulation board. The clamping plate is connected by sliding on the outer side of the second slide rail to improve the movement stability of the clamping plate. A turning handle is installed on the other end of the adjusting screw to facilitate the user to rotate the adjusting screw. A buffer spring is installed on the outer side of the damper to realize the spring damping buffering function. A plurality of guide cylinders are rotatably connected through the inner side of the frame to realize that the guide cylinders can rotate when impacted, so as to change the movement direction of the impacting object and reduce the direct impact force. At the same time, it can also Disperse the impact energy and improve the protective performance of the anti-collision mechanism. A plurality of fixing seats are installed at the bottom of the sound insulation board to further enhance the connection stability between the sound insulation board and the anti-collision pier, thereby ensuring that the sound insulation board will not loosen or fall off during long-term use. A battery box is installed at the top of the cross plate to store the electric energy converted by the solar panel. A control panel is installed on one side of the battery box to realize the controllability of the equipment and increase the convenience of product use. The present invention can effectively achieve the stability and wind resistance of the sound reduction board in windy weather and effectively prevent the sound reduction board from being damaged, thereby having high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is one of the three-dimensional structural schematic diagrams disclosed in the embodiment of the present invention;

[0020] Figure 2 This is the second schematic diagram of the three-dimensional structure disclosed in the embodiment of the present invention;

[0021] Figure 3 This is the third schematic diagram of the three-dimensional structure disclosed in the embodiment of the present invention;

[0022] Figure 4 A schematic diagram of a three-dimensional structure disclosed in an embodiment of the present invention;

[0023] Figure 5 The embodiment disclosed in the present invention Figure 1 A schematic diagram of the structure of structure A in the middle;

[0024] Figure 6 This is a block diagram of the method disclosed in an embodiment of the present invention.

[0025] In the figure: 100, bridge deck; 101, crash pier; 102, sound insulation board; 10201, first ventilation hole; 10202, transparent board; 103, inclined board; 104, cross bar; 105, solar panel; 106, wind speed sensor; 107, cross board; 108, sealing board; 10801, second ventilation hole; 109, height adjustment mechanism; 10901, electric telescopic rod; 10902, lifting board; 10903, sliding sleeve; 10904, first slide rail; 110, clamping mechanism; 111, Connecting plate; 11001, fixing plate; 11002, adjusting screw; 11003, second slide rail; 11004, clamping plate; 11005, push block; 11006, turning handle; 112, anti-collision mechanism; 11201, damper; 11202, first connecting plate; 11203, second connecting plate; 11204, buffer spring; 11205, connecting frame; 11206, frame; 11207, guide cylinder; 113, battery box; 114, control panel; 115, fixing seat. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-Figure 5The present invention provides a technical solution: a sound reduction device for road bridge engineering, comprising a bridge deck 100, a crash pier 101 is connected to one side of the top of the bridge deck 100, a sound insulation board 102 is connected to one side of the crash pier 101, a plurality of first ventilation holes 10201 are opened on one side of the sound insulation board 102, a transparent plate 10202 is provided on the top of one side of the sound insulation board 102, an inclined plate 103 is installed on the top of the sound insulation board 102, a cross bar 104 is installed on the top of the inclined plate 103, and a wind speed sensor is installed on the top of the cross bar 104. The sensor 106 is provided, a solar panel 105 is installed on one side of the inclined plate 103, a horizontal plate 107 is installed on one side of the sound insulation board 102, the bottom end of the horizontal plate 107 is in contact with the top of the anti-collision pier 101, a sealing plate 108 is provided on one side of the sound insulation board 102, and a plurality of second ventilation holes 10801 adapted to the first ventilation holes 10201 are opened on one side of the sealing plate 108, a height adjustment mechanism 109 for adjusting the height of the sealing plate 108 is installed on the top of the horizontal plate 107, and a clamping mechanism 109 for clamping the sealing plate 108 is installed on one side of the bottom end of the horizontal plate 107. The clamping mechanism 110 of the anti-collision pier 101 is connected to a connecting plate 111 at the bottom of the clamping end of the clamping mechanism 110, and an anti-collision mechanism 112 is installed on one side of the connecting plate 111. A sound insulation board 102 is connected to one side of the anti-collision pier 101, which can effectively block the noise generated by vehicles on the road from propagating to the surrounding environment, reduce noise pollution, and create a quiet atmosphere for residents and the environment around the road. A wind speed sensor 106 is installed on the top of the cross bar 104, which can monitor the wind speed in real time, so as to provide a reference for the subsequent wind speed. The height of the sealing plate 108 is adjusted to provide data support to adapt to different wind conditions and protect structures such as the sound insulation board 102 from being damaged by strong winds. A solar panel 105 is installed on one side of the inclined plate 103, which can convert solar energy into electrical energy to power the electrical equipment in the device, achieve energy self-sufficiency, and reduce operating costs. The first ventilation hole 10201 and the second ventilation hole 10801 are set to achieve air circulation, balance the air pressure on both sides of the sound insulation board 102, and reduce the pressure of wind on the sound insulation board 102.

[0028] According to an embodiment of the present invention, further, the height adjustment mechanism 109 includes a pair of electric telescopic rods 10901, the bottom ends of the pair of electric telescopic rods 10901 are respectively fixedly connected to the top sides of the cross plate 107, a lifting plate 10902 is installed at the output end of the electric telescopic rod 10901, one side of the lifting plate 10902 is connected to the bottom end of one side of the sealing plate 108, and sliding sleeves 10903 are installed on both sides of the sealing plate 108, and the inner side of the sliding sleeve 10903 is slidably connected to the first sliding rail 10904, and one side of the first sliding rail 10904 is fixedly connected to one side of the sound insulation board 102. The lifting plate 10902 is installed at the output end of the electric telescopic rod 10901 to realize electric adjustment of the height of the sealing plate 108, which is convenient for accurately controlling the lifting and lowering of the sealing plate 108 according to the monitoring data of the wind speed sensor 106 or the instructions of the operator, and the first sliding rail 10904 is slidably connected to the inner side of the sliding sleeve 10903 to improve the lifting and lowering stability of the sealing plate 108. In one embodiment of the present invention, the clamping mechanism 110 further comprises a fixing plate 11001, a plurality of adjusting screws 11002 are installed on the inner side of the fixing plate 11001, one end of the adjusting screw 11002 is rotatably connected to a push block 11005, a plurality of second slide rails 11003 are installed on the bottom end of the cross plate 107, a clamping plate 11004 is slidably connected to the outer side of the second slide rail 11003, one end of the push block 11005 is connected to one side of the clamping plate 11004, and the second slide rail 11003 is connected to the clamping plate 11004. The top end of the connecting plate 111 and the bottom end of the clamping plate 11004 are fixedly connected, and a push block 11005 is rotatably connected to one end of the adjusting screw 11002. The pushing block 11005 can push the clamping plate 11004 to move by rotating the adjusting screw 11002, thereby cooperating with the sound insulation board 102 to clamp the anti-collision pier 101. The clamping plate 11004 is slidably connected to the outer side of the second slide rail 11003 to improve the movement stability of the clamping plate 11004.

[0029] In one embodiment of the present invention, further, a turning handle 11006 is installed at the other end of the adjusting screw 11002, and the turning handle 11006 is installed at the other end of the adjusting screw 11002, so that the user can rotate the adjusting screw 11002 conveniently.

[0030] According to an embodiment of the present invention, further, the anti-collision mechanism 112 includes a plurality of dampers 11201, a first connecting disk 11202 is installed at one end of the damper 11201, one end face of the first connecting disk 11202 is fixedly connected to one side of the connecting plate 111, a second connecting disk 11203 is installed at the other end of the damper 11201, a buffer spring 11204 is sleeved on the outer side of the damper 11201, one end of the buffer spring 11204 is connected to the inner side of the first connecting disk 11202, the other end of the buffer spring 11204 is connected to the inner side of the second connecting disk 11203, and the second A connecting frame 11205 is installed on one end face of the connecting disk 11203, and a frame 11206 is installed on one side of the connecting frame 11205. The inner side of the frame 11206 is rotatably connected to a plurality of guide cylinders 11207. A buffer spring 11204 is mounted on the outer side of the damper 11201 to achieve a spring damping buffering function. The inner side of the frame 11206 is rotatably connected to a plurality of guide cylinders 11207 to achieve rotation when impacted, thereby changing the movement direction of the impacting object and reducing the direct impact force. At the same time, it can also disperse the impact energy and improve the protection performance of the anti-collision mechanism 112.

[0031] In one embodiment of the present invention, further, a plurality of fixing seats 115 are installed at the bottom end of the sound insulation board 102, and one side of the fixing seat 115 is fixedly connected to one side of the crash pier 101. By installing a plurality of fixing seats 115 at the bottom end of the sound insulation board 102, the connection stability between the sound insulation board 102 and the crash pier 101 is further enhanced, ensuring that the sound insulation board 102 will not loosen or fall off during long-term use.

[0032] In one embodiment of the present invention, further, a battery box 113 is installed on the top of the horizontal plate 107, a lithium battery is installed inside the battery box 113, the solar panel 105 is electrically connected to the lithium battery through a charging circuit, and the battery box 113 is installed on the top of the horizontal plate 107, so that the electric energy converted by the solar panel 105 can be stored.

[0033] In one embodiment of the present invention, a control panel 114 is further installed on one side of the battery box 113. By installing the control panel 114 on one side of the battery box 113, the device can be controlled and the convenience of product use is increased.

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] See also Figure 6The present invention provides a technical solution: a method for using a noise reduction device for road and bridge engineering, comprising the following steps:

[0036] S1, installation and fixing: the sound insulation board 102 is fixedly connected to one side of the crash pier 101 through the fixing seat 115 at the bottom end thereof to ensure that the sound insulation board 102 is firmly installed, and the turning handle 11006 is rotated to rotate the adjusting screw 11002, so that the clamping plate 11004 clamps the other side of the crash pier 101;

[0037] S2, ventilation adjustment: Under normal weather conditions, the second ventilation hole 10801 of the sealing plate 108 is completely staggered with the first ventilation hole 10201 of the sound insulation board 102, so as to realize the sound reduction function. When the wind speed sensor 106 detects that the wind speed exceeds the set threshold, the control panel 114 controls the electric telescopic rod 10901 of the height adjustment mechanism 109 to rise, driving the lifting plate 10902 and the sealing plate 108 to move along the first slide rail 10904, adjusting the height of the sealing plate 108, aligning the first ventilation hole 10201 and the second ventilation hole 10801, realizing air circulation, reducing the impact of wind on the sound insulation board 102, and preventing the sound insulation board 102 from being damaged;

[0038] S3, anti-collision protection: when a vehicle or object hits the guide cylinder 11207 of the anti-collision mechanism 112, the guide cylinder 11207 will rotate inside the frame 11206 to change the collision direction of the object. At the same time, the damper 11201 and the buffer spring 11204 will absorb and buffer the impact energy to reduce damage to the device body and the anti-collision pier 101; S4, power supply: the solar panel 105 absorbs solar energy during the day and converts it into electrical energy, and charges the lithium battery in the battery box 113 through the charging line. The lithium battery provides power support for electrical equipment such as the wind speed sensor 106, the electric telescopic rod 10901, and the control panel 114.

[0039] Specifically, the working principle of the sound reduction device of this road and bridge engineering is as follows: when in use, a sound insulation board 102 is connected to one side of the crash pier 101, which can effectively block the noise generated by vehicles on the road from spreading to the surrounding environment, reduce noise pollution, and create a quiet atmosphere for residents and the environment around the road. A wind speed sensor 106 is installed on the top of the cross bar 104, which can monitor the wind speed in real time, and provide data support for the subsequent adjustment of the height of the sealing board 108 according to the wind speed to adapt to different wind conditions, protect the sound insulation board 102 and other structures from being damaged by strong winds, and a solar panel 105 is installed on one side of the inclined plate 103, which can convert solar energy into electrical energy to power the electrical equipment in the device, thereby realizing energy self-discharge. It is self-sufficient and reduces the running cost. The first ventilation hole 10201 and the second ventilation hole 10801 are set to realize the circulation of air, balance the air pressure on both sides of the sound insulation board 102, and reduce the pressure of wind on the sound insulation board 102. The lifting plate 10902 is installed on the output end of the electric telescopic rod 10901 to realize the electric adjustment of the height of the sealing plate 108, which is convenient for accurately controlling the lifting and lowering of the sealing plate 108 according to the monitoring data of the wind speed sensor 106 or the instructions of the operator. The first slide rail 10904 is connected to the inner side of the sliding sleeve 10903 through sliding, so as to improve the lifting stability of the sealing plate 108. The push block 11005 is connected to one end of the adjusting screw 11002 to realize the rotation of the adjusting screw 1 1002 can make the push block 11005 push the clamping plate 11004 to move, so as to cooperate with the sound insulation plate 102 to clamp the anti-collision pier 101. The clamping plate 11004 is connected to the outer side of the second slide rail 11003 through sliding, so as to improve the movement stability of the clamping plate 11004. A turning handle 11006 is installed on the other end of the adjusting screw 11002, so that the user can rotate the adjusting screw 11002 conveniently. A buffer spring 11204 is sleeved on the outer side of the damper 11201 to realize the spring damping buffering function. A plurality of guide cylinders 11207 are connected to the inner side of the frame 11206 through rotation, so that the guide cylinders 11207 can rotate when impacted to change the movement direction of the impacting object. , reducing direct impact force, while also dispersing impact energy, improving the protective performance of the anti-collision mechanism 112, a number of fixing seats 115 are installed at the bottom of the sound insulation board 102, further enhancing the connection stability between the sound insulation board 102 and the anti-collision pier 101, ensuring that the sound insulation board 102 will not loosen or fall off during long-term use, and a battery box 113 is installed at the top of the cross plate 107 to store the electrical energy converted by the solar panel 105, and a control panel 114 is installed on one side of the battery box 113 to achieve controllable equipment and increase the convenience of product use. The present invention can effectively achieve the stability and wind resistance of the sound reduction board in windy weather, effectively prevent damage to the sound reduction board, and has high practical value.

Claims

1. A noise reduction device for road and bridge engineering, characterized in that: The invention comprises a bridge deck (100), wherein a crash pier (101) is connected to one side of the top of the bridge deck (100), a sound insulation board (102) is connected to one side of the crash pier (101), a plurality of first ventilation holes (10201) are opened on one side of the sound insulation board (102), a transparent board (10202) is provided on the top of one side of the sound insulation board (102), an inclined board (103) is installed on the top of the sound insulation board (102), a cross bar (104) is installed on the top of the inclined board (103), a wind speed sensor (106) is installed on the top of the cross bar (104), a solar panel (105) is installed on one side of the inclined board (103), and a cross bar (104) is installed on one side of the sound insulation board (102). 107), the bottom end of the transverse plate (107) is in contact with the top end of the anti-collision pier (101), a sealing plate (108) is provided on one side of the sound insulation board (102), a plurality of second ventilation holes (10801) matched with the first ventilation holes (10201) are opened on one side of the sealing plate (108), a height adjustment mechanism (109) for adjusting the height of the sealing plate (108) is installed on the top end of the transverse plate (107), a clamping mechanism (110) for clamping the anti-collision pier (101) is installed on one side of the bottom end of the transverse plate (107), a connecting plate (111) is connected to the bottom of the clamping end of the clamping mechanism (110), and an anti-collision mechanism (112) is installed on one side of the connecting plate (111).

2. A noise reduction device for road and bridge engineering according to claim 1, characterized in that: The height adjustment mechanism (109) comprises a pair of electric telescopic rods (10901), the bottom ends of the pair of electric telescopic rods (10901) are respectively fixedly connected to the top sides of the horizontal plate (107), the output end of the electric telescopic rod (10901) is installed with a lifting plate (10902), one side of the lifting plate (10902) is connected to the bottom end of one side of the sealing plate (108), both sides of the sealing plate (108) are installed with sliding sleeves (10903), the inner side of the sliding sleeve (10903) is slidably connected to the first sliding rail (10904), and one side of the first sliding rail (10904) is fixedly connected to one side of the sound insulation board (102).

3. A noise reduction device for road and bridge engineering according to claim 2, characterized in that: The clamping mechanism (110) comprises a fixed plate (11001), a plurality of adjusting screws (11002) are installed on the inner side of the fixed plate (11001), one end of the adjusting screw (11002) is rotatably connected to a push block (11005), a plurality of second slide rails (11003) are installed on the bottom end of the cross plate (107), a clamping plate (11004) is slidably connected to the outer side of the second slide rail (11003), one end of the push block (11005) is in contact with one side of the clamping plate (11004), and the top end of the connecting plate (111) is fixedly connected to the bottom end of the clamping plate (11004).

4. The noise reduction device for road and bridge engineering according to claim 3, characterized in that: The other end of the adjusting screw (11002) is provided with a turning handle (11006).

5. The noise reduction device for road and bridge engineering according to claim 4, characterized in that: The anti-collision mechanism (112) comprises a plurality of dampers (11201), one end of the damper (11201) being provided with a first connection disk (11202), one end surface of the first connection disk (11202) being fixedly connected to one side of the connection plate (111), the other end of the damper (11201) being provided with a second connection disk (11203), the outer side of the damper (11201) being provided with a buffer spring (11204), and the buffer spring (11205) being provided with a buffer spring (11206). One end of the spring (11204) is connected to the inner side of the first connecting disk (11202), and the other end of the buffer spring (11204) is connected to the inner side of the second connecting disk (11203). A connecting frame (11205) is installed on one end surface of the second connecting disk (11203), and a frame (11206) is installed on one side of the connecting frame (11205). The inner side of the frame (11206) is rotatably connected to a plurality of guide cylinders (11207).

6. A noise reduction device for road and bridge engineering according to claim 5, characterized in that: A plurality of fixing seats (115) are installed at the bottom end of the sound insulation board (102), and one side of the fixing seats (115) is fixedly connected to one side of the crash pier (101).

7. The noise reduction device for road and bridge engineering according to claim 6, characterized in that: A battery box (113) is installed at the top of the horizontal plate (107), a lithium battery is installed inside the battery box (113), and the solar panel (105) is electrically connected to the lithium battery via a charging circuit.

8. The noise reduction device for road and bridge engineering according to claim 7, characterized in that: A control panel (114) is installed on one side of the battery box (113).

9. A method for using a noise reduction device for road and bridge engineering, characterized in that: A noise reduction device for road and bridge engineering as claimed in any one of claim 8, comprising the following steps: S1, installation and fixing: the sound insulation board (102) is fixedly connected to one side of the anti-collision pier (101) through the fixing seat (115) at the bottom end thereof to ensure that the sound insulation board (102) is firmly installed, and the turning handle (11006) is rotated to rotate the adjusting screw (11002), so that the clamping plate (11004) clamps the other side of the anti-collision pier (101); S2, ventilation adjustment: under normal weather conditions, the second ventilation hole (10801) of the sealing plate (108) and the first ventilation hole (10201) of the sound insulation board (102) are completely staggered to achieve a sound reduction function. When the wind speed sensor (106) detects that the wind speed exceeds a set threshold, the control panel (114) controls the electric telescopic rod (10901) of the height adjustment mechanism (109) to rise, driving the lifting plate (10902) and the sealing plate (108) to move along the first slide rail (10904), adjusting the height of the sealing plate (108) so that the first ventilation hole (10201) and the second ventilation hole (10801) are aligned, achieving air circulation, reducing the impact of wind on the sound insulation board (102), and preventing the sound insulation board (102) from being damaged; S3, anti-collision protection: when a vehicle or an object hits the guide cylinder (11207) of the anti-collision mechanism (112), the guide cylinder (11207) will rotate inside the frame (11206) to change the collision direction of the object, while the damper (11201) and the buffer spring (11204) will absorb and buffer the collision energy, thereby reducing damage to the device body and the anti-collision pier (101); S4, power supply: The solar panel (105) absorbs solar energy during the day and converts it into electrical energy, which is then used to charge the lithium battery in the battery box (113) through the charging circuit. The lithium battery provides power support for electrical equipment such as the wind speed sensor (106), the electric telescopic rod (10901), and the control panel (114).