CN114319170A - Multistage intelligent noise reduction barrier for railway traffic - Google Patents
Multistage intelligent noise reduction barrier for railway traffic Download PDFInfo
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- CN114319170A CN114319170A CN202210075084.XA CN202210075084A CN114319170A CN 114319170 A CN114319170 A CN 114319170A CN 202210075084 A CN202210075084 A CN 202210075084A CN 114319170 A CN114319170 A CN 114319170A
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- 230000000712 assembly Effects 0.000 claims abstract description 8
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- 230000030279 gene silencing Effects 0.000 claims description 21
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- 230000002441 reversible effect Effects 0.000 description 4
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The invention relates to the technical field of railway noise reduction equipment, and discloses a multi-stage intelligent noise reduction barrier for railway traffic, which comprises a placing frame, wherein a plurality of groups of noise reduction assemblies are arranged on the inner wall of the placing frame, each group of noise reduction assemblies comprises a supporting frame, a conical sound collection hopper is arranged on the inner wall of each group of supporting frames, and a noise reduction sleeve is fixedly arranged on the back surface of each group of conical sound collection hoppers through hexagonal bolts and nuts. This noise barrier is fallen in multistage intelligence of railway transportation, through the acoustic control switch, make the pipeline fan form the torrential air current in the front of device, the noise sound wave is effectively subducted at the in-process through the torrential air current its inside energy, the noise sound wave after subduing is again by the subassembly of making an uproar of falling execution the operation of falling the noise of falling passively, the noise elimination effect of device in reply superelevation noise in-process has effectively been improved, the travelling comfort of resident and the personnel of waiting in living environment and waiting environment has been strengthened, thereby the practicality of device has been strengthened.
Description
Technical Field
The invention relates to the technical field of railway noise reduction equipment, in particular to a multi-stage intelligent noise reduction barrier for railway traffic.
Background
The noise reduction barrier in use mainly prevents direct noise from spreading and enables diffraction noise to be sufficiently attenuated, so that residents and waiting personnel are located in an acoustic shadow area with low noise.
Therefore, the inventor provides a multi-stage intelligent noise reduction barrier for railway traffic, which is researched and improved aiming at the existing structure and deficiency with the experience of abundant design development and actual manufacturing of the related industry for years.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a multi-stage intelligent noise reduction barrier for railway traffic, which solves the problems in the background art.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a multi-stage intelligent noise reduction barrier for railway traffic comprises a placing frame, wherein a plurality of groups of noise reduction assemblies are arranged on the inner wall of the placing frame, each group of noise reduction assemblies comprises a supporting frame, a conical sound collection hopper is arranged on the inner wall of each group of supporting frames, a sound attenuation sleeve is fixedly arranged on the back surface of each group of conical sound collection hopper through a hexagon bolt and a nut, the input end of each group of sound attenuation sleeve is communicated with the output end of the corresponding conical sound collection hopper, a pipeline fan is arranged in each group of sound attenuation sleeve, the inner wall of each group of sound attenuation sleeve is fixedly connected with the outer surface of the corresponding pipeline fan through a plurality of groups of refraction bent plates, a vacuum refraction disc is fixedly arranged on the inner wall of each group of conical sound collection hopper through a plurality of groups of first connecting rods, and a refraction vacuum cone pipe is fixedly arranged on the inner wall of each group of conical sound collection hopper through a plurality of second connecting rods, the rear end of each group of the silencing sleeves is fixedly provided with a reflecting conical ring through a hexagonal bolt and a nut, the back of each group of the reflecting conical rings is inserted with a ventilating pipe, the output end of each group of the ventilating pipe is communicated with the input end of a corresponding pipeline fan, the inner wall of each group of the supporting frames is provided with a porous silencing filling block, the front surface of the placing frame is fixedly provided with a sound control switch, the input end of each group of pipeline fans is electrically connected with the output end of the sound control switch through a lead, the outer surface of each group of supporting frames is provided with a plurality of groups of fixing plates, the front surface of each group of fixing plates is provided with a fixing hole, the back of the placing frame is provided with a plurality of groups of fixing studs, the inner wall of each group of fixing holes is slidably sleeved with the outer surface of the corresponding fixing stud, and the outer surface of each group of fixing studs is provided with fixing nuts.
Preferably, each group of the conical sound collecting hopper, the silencing sleeve, the refraction bending plate, the vacuum refraction disc, the refraction vacuum taper pipe, the reflection taper ring, the ventilation pipe and the outer surface of the placing frame are all provided with anticorrosive coatings.
Preferably, each group the back of braced frame all is provided with the warning sign, and every group the back of warning sign all is provided with the information sign.
Preferably, the left side and the right side of the back of each group of the supporting frame are respectively provided with a lifting handle, and the outer surface of each group of the lifting handle is sleeved with an anti-slip handle sleeve.
Preferably, each group of fixing studs is provided with a locknut on the outer surface in a threaded manner, and the rear end of each group of fixing nuts is attached to the front end of the corresponding locknut.
Preferably, the inner wall of placing the frame is equipped with the multiunit mounting panel, every group the top of mounting panel has all been seted up the multiunit and has been risen the nail hole, every group the equal slidable cover in nail hole that rises is equipped with expansion bolts.
Preferably, every group the inner wall of toper sound collecting hopper and reflection cone ring all is provided with the honeycomb and falls the layer of making an uproar, every group the material on layer of making an uproar is inhaled the sound cotton for the honeycomb.
(III) advantageous effects
Compared with the prior art, the invention provides a multistage intelligent noise reduction barrier for railway traffic, which has the following beneficial effects:
1. this noise barrier is fallen in multistage intelligence of railway transportation, through the acoustic control switch, make the pipeline fan form the torrential air current in the front of device, the noise sound wave is effectively subducted at the in-process through the torrential air current its inside energy, the noise sound wave after subduing is again by the subassembly of making an uproar of falling execution the operation of falling the noise of falling passively, the noise elimination effect of device in reply superelevation noise in-process has effectively been improved, the travelling comfort of resident and the personnel of waiting in living environment and waiting environment has been strengthened, thereby the practicality of device has been strengthened.
2. This noise barrier of making an uproar falls in multistage intelligence of railway traffic, through the refraction bent plate, when the device protects the railway region internal noise when setting for the within range, the noise sound wave is by toper sound collecting hopper at the in-process of air conduction, vacuum refraction dish and refraction vacuum taper pipe are collected and are transmitted between amortization sleeve pipe and the pipeline fan, then the noise sound wave is offset through self angle mutual reflection by the refraction bent plate, the flexibility of device under different noise environment has been improved, the operation energy consumption of device has effectively been reduced, thereby the suitability of device has been strengthened.
3. This multistage intelligent noise barrier of making an uproar falls of railway traffic through the subassembly of making an uproar, makes operating personnel calculate its length height data according to the required scope of establishing the sound shadow region of device, and the number of the subassembly of making an uproar falls is selected according to a principle after the long height data calculation of device is accomplished, and it is fixed to fall the subassembly of making an uproar through fixation nut and fixing stud after that, has effectively improved device self modularization degree for the speed of installation is built to the device, thereby has strengthened the practicality of device.
4. This multistage intelligent noise barrier of making an uproar falls of railway traffic, through porous amortization filling block, make the amortization in-process transmit porous amortization filling block through the most noise sound wave of the transmission of the subassembly solid structure of making an uproar that falls, porous amortization filling block is through the characteristic of self porous structure with the energy consumption decay of noise sound wave, has effectively reduced the quantity of device self solid structure transmission noise sound wave, has further improved the noise reduction effect of device to the suitability of device has been strengthened.
Drawings
FIG. 1 is a schematic diagram of a multi-stage intelligent noise reduction barrier structure for railway traffic according to the present invention;
FIG. 2 is a bottom view of a multi-stage intelligent noise reduction barrier structure for railway traffic according to the present invention;
FIG. 3 is a rear view of a noise reduction assembly of a multi-stage intelligent noise reduction barrier structure for railway traffic according to the present invention;
FIG. 4 is a cross-sectional view of a noise reduction assembly of a multi-stage intelligent noise reduction barrier structure for railway traffic according to the present invention;
fig. 5 is an exploded schematic view of a three-dimensional structure of a noise reduction assembly of a multi-stage intelligent noise reduction barrier structure for railway traffic.
In the figure: 1. placing the frame; 2. a noise reduction assembly; 3. a support frame; 4. a conical sound collecting hopper; 5. a silencing sleeve; 6. a pipeline fan; 7. a refraction bending plate; 8. a first connecting rod; 9. a vacuum refractive disk; 10. a second connecting rod; 11. a refractive vacuum taper; 12. a reflective cone ring; 13. a vent pipe; 14. porous sound-deadening filling blocks; 15. a voice-operated switch; 16. a warning sign; 17. lifting the handle; 18. a fixing plate; 19. fixing the stud; 20. fixing a nut; 21. a locknut; 22. mounting a plate; 23. an expansion bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a multi-stage intelligent noise reduction barrier for railway traffic comprises a placing frame 1, wherein a plurality of groups of noise reduction assemblies 2 are arranged on the inner wall of the placing frame 1, each group of noise reduction assemblies 2 comprises a supporting frame 3, a conical sound collection hopper 4 is arranged on the inner wall of each group of supporting frames 3, a silencing sleeve 5 is fixedly arranged on the back surface of each group of conical sound collection hoppers 4 through a hexagon bolt and a nut, the input end of each group of silencing sleeve 5 is communicated with the output end of the corresponding conical sound collection hopper 4, a pipeline fan 6 is arranged inside each group of silencing sleeve 5, the inner wall of each group of silencing sleeve 5 is fixedly connected with the outer surface of the corresponding pipeline fan 6 through a plurality of groups of refraction bent plates 7, a vacuum refraction disc 9 is fixedly arranged on the inner wall of each group of conical sound collection hoppers 4 through a plurality of first connecting rods 8, a refraction vacuum taper pipe 11 is fixedly arranged on the inner wall of each group of conical sound collection hoppers 4 through a plurality of second connecting rods 10, the rear end of every group amortization sleeve pipe 5 all has reflection cone ring 12 through hexagon bolt and nut fixed mounting, the back of every group reflection cone ring 12 all is pegged graft and has ventilation pipe 13, the output of every group ventilation pipe 13 all communicates with corresponding pipeline fan 6's input, every group braced frame 3's inner wall all is provided with porous amortization filling block 14, the positive fixed mounting who places frame 1 has acoustic control switch 15, acoustic control switch 15's specific model is A021, every group pipeline fan 6's input all passes through the wire electricity with acoustic control switch 15's output and is connected, every group braced frame 3's surface all is provided with multiunit fixed plate 18, the fixed orifices has all been seted up in every group fixed plate 18's front, the back of placing frame 1 is equipped with multiunit fixed stud 19, the inner wall of every group fixed orifices all with the slidable suit of corresponding fixed stud 19, the surface of every group fixed stud 19 all the spiral shell is equipped with fixation nut 20.
In the invention, in order to prolong the service life of the device, the outer surfaces of each group of the conical sound collecting hopper 4, the silencing sleeve 5, the refraction bending plate 7, the vacuum refraction disc 9, the refraction vacuum taper pipe 11, the reflection taper ring 12, the ventilation pipe 13 and the placing frame 1 are respectively provided with an anticorrosive coating for isolating external air and moisture, so that the corrosion speed of the conical sound collecting hopper 4, the silencing sleeve 5, the refraction bending plate 7, the vacuum refraction disc 9, the refraction vacuum taper pipe 11, the reflection taper ring 12, the ventilation pipe 13 and the placing frame 1 is reduced, and the service life of the device is prolonged.
In the invention, in order to reduce the possibility of misuse of the device by non-operators, the back of each group of supporting frames 3 is provided with the warning label 16, and the back of each group of warning labels 16 is provided with the information mark for providing the information of the device to be operated for the non-operators, thereby reducing the possibility of misuse of the device by the non-operators.
In the invention, in order to improve the convenience of the device in the installation and transportation process, the left side and the right side of the back of each group of supporting frames 3 are respectively provided with the lifting handle 17 for providing a force application position in the transportation or installation process of the noise reduction assembly 2, and the outer surface of each group of lifting handles 17 is sleeved with the anti-skidding handle sleeve, so that the convenience of the device in the installation and transportation process is improved.
In the invention, in order to improve the stability of the device in the operation process, the locknuts 21 for providing pre-tightening force to the fixing nuts 20 are screwed on the outer surfaces of each group of fixing studs 19, so that the probability of loosening of the fixing nuts 20 is reduced, and the rear ends of each group of fixing nuts 20 are attached to the front ends of the corresponding locknuts 21, thereby improving the stability of the device in the operation process.
In the invention, in order to improve the stability of the device in the operation process, a plurality of groups of mounting plates 22 are arranged on the inner wall of the placing frame 1, a plurality of groups of expansion nail holes are formed in the top of each group of mounting plates 22, and expansion bolts 23 for fixedly connecting the device and the mounting ground are slidably sleeved on the inner wall of each group of expansion nail holes, so that the stability of the device in the operation process is improved.
In the invention, in order to further improve the silencing effect of the device, the inner walls of each group of conical sound collecting hoppers 4 and the reflecting conical rings 12 are respectively provided with a honeycomb noise reduction layer for absorbing and losing noise sound waves through a porous structure of each group, and the material of each group of honeycomb noise reduction layers is sound absorption cotton, so that the area of a noise reduction dead angle of the device is reduced, and the silencing effect of the device is further improved.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
When the device is used, the length and height data of a sound and image area required to be constructed by the device are calculated according to the range of the sound and image area required to be constructed by the device, the number of the noise reduction components 2 is selected according to a principle after the length and height data of the device are calculated, the placing frame 1 is manufactured after the number of the noise reduction components 2 is selected, then the placing frame 1 is fixedly arranged at a set position, the noise reduction components 2 are fixed through the fixing nuts 20 and the fixing studs 19 after the placing frame 1 is arranged, noise reduction operation is carried out after the device is arranged, when noise in a railway area protected by the device is in the set range, noise sound waves are collected by the conical sound collecting hopper 4 and refracted to the surface of the vacuum refraction disc 9 in the air conduction process, the vacuum refraction disc 9 refracts and transmits most of the noise sound waves to the outer surface of the refraction vacuum taper pipe 11 through the sound insulation characteristic of the internal vacuum cavity of the refraction taper pipe 11, refracts and transmits most of the noise sound waves between the sound attenuation sleeve 5 and the pipeline fan 6 through the sound insulation characteristic of the internal vacuum cavity of the refraction taper pipe 11, noise sound waves between the silencing sleeve 5 and the pipeline fan 6 are reflected and offset by the refraction bending plate 7 through self angles in the transmission process, residual noise sound waves of the refraction bending plate 7 are reflected and offset by the reflection cone ring 12, most of the noise sound waves transmitted through the solid structure of the noise reduction assembly 2 are transmitted into the porous silencing filling block 14 in the silencing process, the porous silencing filling block 14 attenuates the energy consumption of the noise sound waves through the characteristic of the porous structure, at the moment, the device completes the passive noise reduction operation, when the noise in a railway area protected by the device exceeds a set range, the sound control switch 15 controls the pipeline fan 6 to be started, the pipeline fan 6 inputs reverse air flow into the conical sound collection hopper 4 through the vent pipe 13, the reverse air flow in the conical sound collection hopper 4 is sprayed onto the surface of the vacuum refraction disc 9 under the guide of the refraction vacuum cone pipe 11, the vacuum refraction disc 9 guides the reverse air flow to be output from the input end of the conical sound collection hopper 4, at the moment, the reverse airflows output by the multiple groups of conical sound collecting hoppers 4 form turbulent airflows from the front of the device under mutual interference, the energy inside the noise sound waves is effectively reduced in the process of passing through the turbulent airflows, the device finishes active noise reduction operation at the moment, the reduced noise sound waves are subjected to passive noise reduction operation by the noise reduction assembly 2 again, and the sound control switch 15 controls the pipeline fan 6 to be closed after the noise in the railway area protected by the device is restored to the set range.
In conclusion, the multistage intelligent noise reduction barrier for railway traffic has the advantages that the turbulent air flow is formed in the front of the device by the pipeline fan 6 through the sound control switch 15, the energy inside the noise sound wave in the process of passing through the turbulent air flow is effectively reduced, the noise sound wave after reduction is subjected to passive noise reduction operation by the noise reduction assembly 2 again, the noise reduction effect of the device in the process of coping with ultrahigh noise is effectively improved, the comfort of residents and waiting personnel in the living environment and the waiting environment is enhanced, and the practicability of the device is enhanced.
This noise barrier of making an uproar falls in multistage intelligence of railway traffic, through refraction bent plate 7, when the device protects the railway region internal noise when setting for the within range, the noise sound wave is by toper sound collecting hopper 4 at the in-process of air conduction, vacuum refraction dish 9 and refraction vacuum taper pipe 11 are collected and are transmitted between amortization sleeve pipe 5 and pipeline fan 6, the noise sound wave is offset through self angle mutual reflection by refraction bent plate 7 after that, the flexibility of device under different noise environment has been improved, the operation energy consumption of device has effectively been reduced, thereby the suitability of device has been strengthened.
This multistage intelligent noise reduction protective screen of railway traffic, through falling the subassembly 2 of making an uproar, make operating personnel calculate its length height data according to the required scope of establishing the sound shadow region of device, the length height data of device calculates and chooses the quantity of falling the subassembly 2 of making an uproar according to a principle after accomplishing, it is fixed with falling the subassembly 2 of making an uproar through fixation nut 20 and fixing stud 19 after that, effectively improved device self modularization degree for the speed that the installation was built to the device, thereby the practicality of device has been strengthened.
This multistage intelligent noise barrier of making an uproar falls of railway traffic, fill out piece 14 through porous amortization, make the amortization in-process transmit porous amortization fill out piece 14 through the most noise sound wave of 2 solid construction transmissions of the subassembly of making an uproar that fall, porous amortization fill out piece 14 and attenuate the energy consumption of noise sound wave through the characteristic of self porous structure, effectively reduced the quantity of device self solid construction transmission noise sound wave, further improved the noise reduction effect of device to the suitability of device has been strengthened.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a multistage intelligent noise reduction barrier of railway traffic, is including placing frame (1), its characterized in that: the inner wall of the placing frame (1) is provided with a plurality of groups of noise reduction assemblies (2), each group of noise reduction assemblies (2) comprises a supporting frame (3), the inner wall of each group of supporting frames (3) is provided with a conical sound collection hopper (4), the back of each group of conical sound collection hoppers (4) is fixedly provided with a silencing sleeve (5) through a hexagon bolt and a nut, the input end of each group of silencing sleeve (5) is communicated with the output end of the corresponding conical sound collection hopper (4), the interior of each group of silencing sleeve (5) is provided with a pipeline fan (6), the inner wall of each group of silencing sleeve (5) is fixedly connected with the outer surface of the corresponding pipeline fan (6) through a plurality of groups of refraction bent plates (7), and the inner wall of each group of conical sound collection hopper (4) is fixedly provided with a vacuum refraction disc (9) through a plurality of groups of first connecting rods (8), the inner wall of each group of conical sound collecting hoppers (4) is fixedly provided with a refraction vacuum taper pipe (11) through a plurality of groups of second connecting rods (10), the rear end of each group of silencing sleeves (5) is fixedly provided with a reflection taper ring (12) through a hexagonal bolt and a nut, the back of each group of reflection taper rings (12) is inserted with a ventilation pipe (13), the output end of each group of ventilation pipe (13) is communicated with the input end of a corresponding pipeline fan (6), the inner wall of each group of supporting frames (3) is provided with a porous silencing filling block (14), the front of the placing frame (1) is fixedly provided with a sound control switch (15), the input end of each group of pipeline fans (6) is electrically connected with the output end of the sound control switch (15) through a lead, the outer surface of each group of supporting frames (3) is provided with a plurality of groups of fixing plates (18), and the front of each group of fixing plates (18) is provided with a fixing hole, the back of the placement frame (1) is provided with a plurality of groups of fixing studs (19), the inner wall of each group of fixing holes is slidably sleeved with the outer surface of the corresponding fixing stud (19), and the outer surface of each group of fixing studs (19) is provided with fixing nuts (20) in a threaded manner.
2. The multi-stage intelligent noise reduction barrier for railway traffic according to claim 1, wherein: and each group of conical sound collecting hoppers (4), silencing sleeves (5), refraction bending plates (7), vacuum refraction discs (9), refraction vacuum taper pipes (11), reflection taper rings (12), ventilation pipes (13) and the outer surfaces of the placing frames (1) are all provided with anticorrosive coatings.
3. The multi-stage intelligent noise reduction barrier for railway traffic according to claim 1, wherein: every group the back of braced frame (3) all is provided with warning sign (16), every group the back of warning sign (16) all is provided with the information sign.
4. The multi-stage intelligent noise reduction barrier for railway traffic according to claim 1, wherein: the left side and the right side of the back of each group of the supporting frame (3) are respectively provided with a lifting handle (17), and the outer surface of each group of the lifting handle (17) is sleeved with an anti-slip handle sleeve.
5. The multi-stage intelligent noise reduction barrier for railway traffic according to claim 1, wherein: the outer surface of each group of the fixing studs (19) is provided with a locknut (21) in a threaded manner, and the rear end of each group of the fixing nuts (20) is attached to the front end of the corresponding locknut (21).
6. The multi-stage intelligent noise reduction barrier for railway traffic according to claim 1, wherein: the inner wall of placing the frame (1) is provided with a plurality of groups of mounting plates (22), each group of mounting plates (22) is provided with a plurality of groups of expansion nail holes, and each group of expansion nail holes is provided with expansion bolts (23) which can slide on the inner wall of the expansion nail holes.
7. The multi-stage intelligent noise reduction barrier for railway traffic according to claim 1, wherein: every group the inner wall of toper sound collecting hopper (4) and reflection cone ring (12) all is provided with the honeycomb and falls the layer of making an uproar, every group the material on layer of making an uproar is inhaled the sound cotton for the honeycomb.
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| CN111636318A (en) * | 2020-06-17 | 2020-09-08 | 江苏航运职业技术学院 | Sound insulation barrier for two sides of road |
| CN214573443U (en) * | 2020-09-26 | 2021-11-02 | 陈礼芬 | Noise reduction device for road |
| CN112030799A (en) * | 2020-09-28 | 2020-12-04 | 华东交通大学 | Sound barrier of active noise reduction and collection device and working method thereof |
| CN213298109U (en) * | 2020-10-16 | 2021-05-28 | 广东三澳新能源科技有限公司 | Movable low-noise generator set |
| CN214305546U (en) * | 2021-01-18 | 2021-09-28 | 苏州统益自动化机械制造有限公司 | Vacuum breaking silencer |
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| CN114319170B (en) | 2023-12-22 |
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