CN216689116U - Railway sound barrier of making an uproar falls in environmental protection - Google Patents
Railway sound barrier of making an uproar falls in environmental protection Download PDFInfo
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- CN216689116U CN216689116U CN202122903409.2U CN202122903409U CN216689116U CN 216689116 U CN216689116 U CN 216689116U CN 202122903409 U CN202122903409 U CN 202122903409U CN 216689116 U CN216689116 U CN 216689116U
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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
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Abstract
The utility model relates to the field of railway engineering, in particular to an environment-friendly noise-reduction railway sound barrier, which comprises a sound barrier body arranged above a supporting seat; a filling inner layer is arranged inside the sound barrier body; the sound absorption assembly is arranged between the sound barrier body and the inner filling layer and comprises sound absorption openings, sound absorption cotton and pipelines, the sound absorption openings are formed in the front end and the rear end of the inner filling layer, and five groups of the sound absorption openings are formed; a flow channel is arranged at one end of the sound absorption port, which is far away from the sound barrier body, two groups of inner grooves are arranged at the upper end and the lower end of the flow channel, and the sound absorption cotton is arranged on the inner wall of each inner groove; the pipeline is arranged between the front and rear flow channels, and porous sound absorption plates are arranged at the upper and lower ends in the pipeline; through the design of inhaling the sound subassembly, when can the noise reduction, improved the whole result of use of railway sound barrier.
Description
Technical Field
The utility model relates to the field of railway engineering, in particular to an environment-friendly noise-reduction railway sound barrier.
Background
The barrier is mainly used for isolating noise generated in the running process of a train and can be divided into a pure sound insulation reflection type sound barrier and a composite type sound barrier combining sound absorption and sound insulation.
The railway sound barrier is widely applied to sound barrier engineering of high-speed railways, intercity railways, urban light rails and the like, has a noise reduction effect, and belongs to one of environment-friendly products in railway engineering.
The existing railway sound barrier mainly depends on composite materials to absorb sound or separate the body, and under a relatively quiet environment, the sound absorption effect is not obvious, so that the living environment of surrounding residents can be influenced; therefore, an environment-friendly noise reduction railway sound barrier is provided aiming at the problems.
SUMMERY OF THE UTILITY MODEL
In order to make up for the defects of the prior art and solve the problem that the sound absorption effect of the existing railway sound barrier is not obvious, the utility model provides an environment-friendly noise reduction railway sound barrier.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to an environment-friendly noise-reduction railway sound barrier, which comprises a sound barrier body arranged above a supporting seat; a filling inner layer is arranged inside the sound barrier body;
the sound absorption assembly is arranged between the sound barrier body and the inner filling layer and comprises sound absorption ports, sound absorption cotton and pipelines, the sound absorption ports are formed in the front end and the rear end of the inner filling layer, and five groups of the sound absorption ports are arranged; a flow channel is arranged at one end of the sound absorption port, which is far away from the sound barrier body, two groups of inner grooves are arranged at the upper end and the lower end of the flow channel, and the sound absorption cotton is arranged on the inner wall of each inner groove; the pipeline sets up between two sets of circulation passageways in front and back, both ends all are provided with porous acoustic baffle about the pipeline is inside, through the design of inhaling the sound subassembly, can improve the radio reception effect of sound barrier.
Preferably, inhale the sound mouth and be uncovered formula design, and inhale the sound mouth and keep away from the one end of flowing in the way and be connected with sound barrier body department, easily collect the sound source of propagation department.
Preferably, the inner grove is the arc design, and inhales the cotton internal surface of gluing in the inner grove of sound, has improved the sound absorbing effect of device.
Preferably, a fixing assembly is arranged between the sound barrier body and the supporting seat, the fixing assembly comprises a positioning block, an insertion block and a lock rod, the positioning block is fixedly connected to the middle of the bottom end of the sound barrier body, the top end of the supporting seat is provided with a positioning groove, and the positioning block is inserted into the positioning groove; the inserting block is fixedly connected to one side of the bottom end of the inner wall of the positioning groove, penetrates through the positioning groove and is inserted into a groove matched with the bottom end of the sound barrier body; the sound barrier comprises a sound barrier body, an inserting block, a lock rod and a through hole, wherein the sound barrier body is provided with an inner groove and a through hole; the sound barrier is characterized in that a pull ring is fixedly mounted on one side of the lock rod, three groups of stabilizing openings are formed in the upper end and the lower end of the inner groove, stabilizing rods are glued to the upper end and the lower end of the outer surface of the lock rod and are inserted into the matched stabilizing openings, and the joint of the sound barrier body and the supporting seat can be fixed through the design of the fixing assembly.
Preferably, the stabilizer bar is designed in a slope manner, and the stabilizer bar is made of rubber so as to be conveniently inserted into the inner groove.
Preferably, the bolts are installed on two sides of the bottom end of the sound barrier body, and one ends, far away from the sound barrier body, of the bolts are inserted into grooves formed in the supporting seat and matched with the supporting seat, so that the stability of the sound barrier body in the installation process is further improved.
The utility model has the advantages that:
1. by installing the sound barrier body on the supporting seat, when larger noise can not be processed, a sound source is guided to the interior of the sound absorption port from the interior of the sound barrier body, the sound source is collected through the sound absorption port and then flows into the interior of the flow channel, at the moment, the noise can be diffused to the interior of the inner groove in the flow channel, the sound absorption cotton is arranged in each inner groove, the noise can be further attenuated, the residual sound enters the interior of the porous sound absorption plate, the distance of the pipeline is longer, the sound wave in propagation is gradually attenuated along with the increase of the propagation distance, and through the design of the sound absorption assembly, the noise can be reduced, and the integral using effect of the railway sound barrier is improved;
2. through the pulling pull ring, drive the locking lever and remove simultaneously, to the stabilizer bar extrusion, make it produce the deformation back, break away from and stabilize the block state between the mouthful, the locking lever removes along the inside groove inner wall this moment, make it break away from and the through-hole between alternate state, upwards stimulate the sound barrier body after that, drive the bolt break away from and support seat inslot locking state, through the design of fixed subassembly, when carrying out the concatenation in advance to the sound barrier body, can fix the junction of sound barrier body and supporting seat, in order to ensure the steadiness of connecting.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a perspective view of a first embodiment;
FIG. 2 is a schematic side-view cross-sectional partial structure diagram according to the first embodiment;
FIG. 3 is a schematic cross-sectional front view illustrating a structure of the first embodiment;
FIG. 4 is an enlarged schematic view of a portion A of FIG. 2 according to an embodiment;
FIG. 5 is an enlarged schematic view of a portion B of FIG. 3 according to an embodiment;
FIG. 6 is an enlarged schematic view of a section C in FIG. 3 according to an embodiment;
fig. 7 is a schematic partial sectional view illustrating a second embodiment of the present invention.
In the figure: 1. a sound barrier body; 2. filling the inner layer; 201. a sound absorption port; 202. a flow channel; 203. an inner groove; 204. sound-absorbing cotton; 205. a pipeline; 206. a porous sound absorbing panel; 3. a supporting seat; 301. positioning blocks; 302. positioning a groove; 303. a bolt; 304. inserting the block; 305. a through hole; 306. an inner tank; 307. a lock lever; 308. a pull ring; 309. a stabilizer bar; 310. a stabilizing port; 311. a protective pad.
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.
Example one
Referring to fig. 1-6, an environmental protection noise reduction railway sound barrier includes a sound barrier body 1 disposed above a supporting seat 3; a filling inner layer 2 is arranged inside the sound barrier body 1;
a sound absorption assembly is arranged between the sound barrier body 1 and the inner filling layer 2, the sound absorption assembly comprises sound absorption ports 201, sound absorption cotton 204 and pipelines 205, the sound absorption ports 201 are arranged at the front end and the rear end of the inner filling layer 2, and five groups of the sound absorption ports 201 are arranged; a flow channel 202 is arranged at one end of the sound absorption port 201 far away from the sound barrier body 1, two groups of inner grooves 203 are arranged at the upper end and the lower end of the flow channel 202, and sound absorption cotton 204 is arranged on the inner wall of each inner groove 203; the duct 205 is disposed between the front and rear flow channels 202, and the porous sound absorbing plates 206 are disposed at the upper and lower ends of the inside of the duct 205; when the sound barrier device works, the sound barrier body 1 is arranged on the supporting seat 3, the filling inner layer 2 is used as a filling layer, when the sound barrier body 1 is used, the noise generated from the front and the back is isolated to a certain degree, when the larger noise can not be isolated, the sound source is guided to the inside of the sound absorption opening 201 from the inside of the sound barrier body 1, the connection part of the sound absorption opening 201 and the sound barrier body 1 is arranged to be open, the sound absorption is easy, the using effect of the device is improved, firstly, the sound source is collected by the sound absorption opening 201 and then flows to the inside of the flow channel 202, at the moment, the noise is diffused to the inside of the flow channel 202 to the inside of the inner grooves 203, the sound absorption cotton 204 is arranged inside each inner groove 203, the noise can be further attenuated, and because the flow channel 202 and other parts are arranged at the front end and the back end, the noise generated from the front sound source and the back sound source can be dissipated, because the flow channels 202 at the front end and the rear end are connected by the pipeline 205, the residual sound enters the porous sound-absorbing plate 206, the distance of the pipeline 205 is long, so that the sound wave in propagation is gradually attenuated along with the increase of the propagation distance, and the porous sound-absorbing plates 206 are arranged at the upper end and the lower end of the inner wall of the pipeline 205, so that when the sound wave is incident to the porous sound-absorbing material porous sound-absorbing plate 206, a part of sound energy is converted into heat energy to be absorbed through the vibration friction between air and the hole wall through the viscous resistance of air.
The sound absorption port 201 is in an open design, and one end of the sound absorption port 201, which is far away from the flow channel 202, is connected with the sound barrier body 1; during operation sets up to uncovered formula through inhaling sound mouth 201 and sound barrier body 1 junction, when the sound source propagates to inhaling sound mouth 201 opening, easily when gathering it, has improved the result of use of device.
The inner groove 203 is designed in an arc shape, and the sound absorption cotton 204 is glued on the inner surface of the inner groove 203; during operation, through inhaling sound mouth 201 department and collecting the back circulation to flow channel 202 inside to the sound source, the noise can be diffused inside inner groovy 203 at flow channel 202's inside this moment, through setting up inner groovy 203 into the arc to when the sticky area of sound cotton 204 is inhaled in the increase, and then ensured the sound absorbing effect of device.
A fixing assembly is arranged between the sound barrier body 1 and the supporting seat 3, the fixing assembly comprises a positioning block 301, an inserting block 304 and a lock rod 307, the positioning block 301 is fixedly connected to the middle of the bottom end of the sound barrier body 1, the top end of the supporting seat 3 is provided with a positioning groove 302, and the positioning block 301 is inserted into the positioning groove 302; the penetrating block 304 is fixedly connected to one side of the bottom end of the inner wall of the positioning groove 302, and the penetrating block 304 penetrates through the positioning groove 302 and is inserted into a groove arranged at the bottom end of the sound barrier body 1; a through hole 305 is horizontally formed in the insertion block 304, an inner groove 306 is horizontally formed in the outer wall of the sound barrier body 1, and the lock rod 307 penetrates through the inner groove 306 and is inserted into the through hole 305; a pull ring 308 is fixedly installed on one side of the lock rod 307, three groups of stabilizing openings 310 are arranged at the upper end and the lower end of the inner groove 306, stabilizing bars 309 are glued at the upper end and the lower end of the outer surface of the lock rod 307, and the stabilizing bars 309 are inserted into the matched stabilizing openings 310; when the sound barrier device works, a finger is inserted into the pull ring 308 to pull the end far away from the sound barrier body 1, due to the integral structural design of the pull ring 308 and the lock rod 307, the lock rod 307 is driven to move simultaneously in the process of driving the pull ring 308 to move under the action of force, the lock rod 309 is extruded in the process of moving the lock rod 307, due to the fact that the lock rod 309 is made of rubber, the lock rod is deformed under the action of extrusion force and then breaks away from the clamping state with the stabilizing port 310, at the moment, the lock rod 307 moves along the inner wall of the inner groove 306 to break away from the inserting state with the through hole 305, at the moment, the whole sound barrier body 1 can be in a moving state, the whole sound barrier body 1 is pulled upwards, due to the fact that the sound barrier body 1 and the positioning groove 302 are fixedly installed, in the process of driving the sound barrier body 1 to move upwards under the action of force, drive constant head tank 302 and remove to the one end of keeping away from supporting seat 3 for when bolt 303 breaks away from with supporting seat 3 inslot locking state, drive locating piece 301 break away from and establish the state with inserting between the constant head tank 302, through inserting locating piece 301 and establish inside back in constant head tank 302, can splice sound barrier body 1 in advance this moment, insert the locking lever 307 immediately and establish inside back in through-hole 305, can lock to the piece 304 of inserting, in order to ensure the steadiness of junction.
The stabilizer bar 309 is designed in a slope manner, and the stabilizer bar 309 is made of rubber; in operation, in the process of moving the lock bar 307, the stabilizer bar 309 is pressed, and the stabilizer bar 309 is made of rubber, so that after being deformed by the pressing force, the stabilizer bar 309 is disengaged from the engagement state with the stabilizer port 310, and the stabilizer bar 309 is set to be in a slope shape so as to be inserted into the inner groove 306.
The two sides of the bottom end of the sound barrier body 1 are both provided with bolts 303, and one end of each bolt 303 far away from the sound barrier body 1 is inserted into a groove arranged on the support base 3 and matched with the corresponding groove; during operation, through inserting locating piece 301 completely and establishing to the inside back of constant head tank 302, the inslot that bolt 303 joint set up on supporting seat 3 this moment, further improvement the stability of sound barrier body 1 in the installation to the phenomenon of skew about avoiding producing.
Example two
Referring to fig. 7, in a first comparative example, as another embodiment of the present invention, a protective pad 311 is glued to the exterior of the pull ring 308, and the protective pad 311 is provided with anti-skid lines; during operation, through alternate the finger to pull the outside to the inside back of pull ring 308, the hand is in the state of laminating each other with protection pad 311 this moment, and then at the in-process that contacts, has increased the frictional force of contact surface, avoids easily producing the phenomenon of skidding at the in-process hand of pulling pull ring 308.
The working principle is that the sound barrier body 1 is arranged on the supporting seat 3, the filling inner layer 2 is used as a filling layer, when the sound barrier body 1 is used, the noise generated from the front and the back is isolated to a certain degree, when the larger noise can not be isolated, the sound source is guided to the inside of the sound absorption opening 201 from the inside of the sound barrier body 1, the connection part of the sound absorption opening 201 and the sound barrier body 1 is arranged to be open, the sound absorption is easy, the using effect of the device is improved, firstly, the sound source is collected by the sound absorption opening 201 and then flows to the inside of the flow channel 202, at the moment, the noise is diffused to the inside of the inner groove 203, the sound absorption cotton 204 is arranged inside each inner groove 203, the noise can be further attenuated, and because the front end and the back end are provided with parts such as the flow channel 202, the noise generated from the front sound source and the back sound source can be dissipated, because the flow channels 202 at the front end and the rear end are connected by the pipeline 205, the residual sound enters the porous sound-absorbing plate 206, the distance of the pipeline 205 is long, so that the sound wave in propagation is gradually attenuated along with the increase of the propagation distance, and the porous sound-absorbing plate 206 is arranged at the upper end and the lower end of the inner wall of the pipeline 205, so that when the sound wave enters the porous sound-absorbing material porous sound-absorbing plate 206, through the viscous resistance of air and the vibration friction between the air and the hole wall, a part of sound energy is converted into heat energy to be absorbed;
through penetrating fingers into the pull ring 308 and pulling one end far away from the sound barrier body 1, due to the integral structural design of the pull ring 308 and the lock rod 307, the lock rod 307 is driven to move simultaneously in the process of driving the pull ring 308 to move under the action of force, the lock rod 309 is extruded in the process of moving the lock rod 307, due to the fact that the stabilizer bar 309 is made of rubber, the sound barrier body 1 can be in a movable state at the moment after being deformed under the action of the extrusion force and is separated from a clamping state with the stabilizing port 310, at the moment, the lock rod 307 moves along the inner wall of the inner groove 306 to be separated from a penetrating state with the through hole 305, the whole sound barrier body 1 is pulled upwards, due to the fact that the sound barrier body 1 and the positioning groove 302 are fixedly installed, in the process of upwards moving the sound barrier body 1 under the drive of force, drive constant head tank 302 and remove to the one end of keeping away from supporting seat 3 for when bolt 303 breaks away from with supporting seat 3 inslot locking state, drive locating piece 301 break away from and establish the state with inserting between the constant head tank 302, through inserting locating piece 301 and establish inside back in constant head tank 302, can splice sound barrier body 1 in advance this moment, insert the locking lever 307 immediately and establish inside back in through-hole 305, can lock to the piece 304 of inserting, in order to ensure the steadiness of junction.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (6)
1. The utility model provides a railway sound barrier of making an uproar falls in environmental protection which characterized in that: comprises a sound barrier body (1) arranged above a supporting seat (3); a filling inner layer (2) is arranged inside the sound barrier body (1);
a sound absorption assembly is arranged between the sound barrier body (1) and the filling inner layer (2), the sound absorption assembly comprises a sound absorption port (201), sound absorption cotton (204) and a pipeline (205), the sound absorption ports (201) are arranged at the front end and the rear end of the filling inner layer (2), and five groups of the sound absorption ports (201) are arranged; a flow channel (202) is arranged at one end, away from the sound barrier body (1), of the sound absorption port (201), two groups of inner grooves (203) are arranged at the upper end and the lower end of the flow channel (202), and sound absorption cotton (204) is arranged on the inner wall of each inner groove (203); the pipeline (205) is arranged between the front group of flow channels and the rear group of flow channels (202), and porous sound absorption plates (206) are arranged at the upper end and the lower end of the interior of the pipeline (205).
2. The environmental noise reduction railway sound barrier of claim 1, wherein: inhale sound mouth (201) and be uncovered formula design, and inhale the one end that sound mouth (201) kept away from flow channel (202) and be connected with sound barrier body (1) department.
3. The environmental noise reduction railway sound barrier of claim 2, wherein: the inner groove (203) is designed in an arc shape, and the sound absorption cotton (204) is glued on the inner surface of the inner groove (203).
4. The environmental noise reduction railway sound barrier of claim 3, wherein: a fixing assembly is arranged between the sound barrier body (1) and the supporting seat (3), the fixing assembly comprises a positioning block (301), an inserting block (304) and a locking rod (307), the positioning block (301) is fixedly connected to the middle of the bottom end of the sound barrier body (1), a positioning groove (302) is formed in the top end of the supporting seat (3), and the positioning block (301) is inserted into the positioning groove (302); the inserting block (304) is fixedly connected to one side of the bottom end of the inner wall of the positioning groove (302), and the inserting block (304) penetrates through the positioning groove (302) and is inserted into a groove matched with the bottom end of the sound barrier body (1); a through hole (305) is horizontally formed in the penetrating and inserting block (304), an inner groove (306) is horizontally formed in the outer wall of the sound barrier body (1), and the lock rod (307) penetrates through the inner groove (306) and is inserted into the through hole (305); one side of the lock rod (307) is fixedly provided with a pull ring (308), the upper end and the lower end of the inner groove (306) are provided with three groups of stabilizing openings (310), the upper end and the lower end of the outer surface of the lock rod (307) are glued with stabilizing rods (309), and the stabilizing rods (309) are inserted into the matched stabilizing openings (310).
5. The environmental noise reduction railway sound barrier of claim 4, wherein: the stabilizer bar (309) is designed in a slope manner, and the stabilizer bar (309) is made of rubber.
6. The environmental noise reduction railway sound barrier of claim 5, wherein: bolt (303) are all installed to sound barrier body (1) bottom both sides, and bolt (303) keep away from the one end of sound barrier body (1) and insert and establish and set up the assorted inslot on supporting seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122903409.2U CN216689116U (en) | 2021-11-24 | 2021-11-24 | Railway sound barrier of making an uproar falls in environmental protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122903409.2U CN216689116U (en) | 2021-11-24 | 2021-11-24 | Railway sound barrier of making an uproar falls in environmental protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216689116U true CN216689116U (en) | 2022-06-07 |
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ID=81834273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122903409.2U Active CN216689116U (en) | 2021-11-24 | 2021-11-24 | Railway sound barrier of making an uproar falls in environmental protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216689116U (en) |
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2021
- 2021-11-24 CN CN202122903409.2U patent/CN216689116U/en active Active
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