CN105755973B - A kind of railroad platform interference noise elimination component - Google Patents
A kind of railroad platform interference noise elimination component Download PDFInfo
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- CN105755973B CN105755973B CN201610280928.9A CN201610280928A CN105755973B CN 105755973 B CN105755973 B CN 105755973B CN 201610280928 A CN201610280928 A CN 201610280928A CN 105755973 B CN105755973 B CN 105755973B
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- 230000008030 elimination Effects 0.000 title claims abstract description 49
- 238000003379 elimination reaction Methods 0.000 title claims abstract description 49
- 239000000758 substrate Substances 0.000 claims abstract description 165
- 238000005192 partition Methods 0.000 claims abstract description 139
- 230000030279 gene silencing Effects 0.000 claims abstract description 11
- 238000005266 casting Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims description 9
- 229920001169 thermoplastic Polymers 0.000 claims description 9
- 239000004416 thermosoftening plastic Substances 0.000 claims description 9
- 230000001939 inductive effect Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- 230000001788 irregular Effects 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 2
- 230000009467 reduction Effects 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 230000004888 barrier function Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- -1 and so on Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The present invention relates to a kind of railroad platform interference noise elimination components, belong to noise elimination noise reduction technical field.The railroad platform includes substrate, baffle, partition board and slot with interference noise elimination component, substrate is divided into the region of setting partition board and is not provided with the region of partition board, partition board is disposed longitudinally on the region of substrate setting partition board, baffle is centered around side and the bottom edge of substrate, partition board and baffle plate setting are in substrate front side, two sides of substrate and bottom end form inverted trapezoidal, and slot matches with the partition board and baffle, is arranged on the back side of substrate.By cover board and at least one above-mentioned railroad platform railroad platform interference silencing apparatus is formed with interference noise elimination component.The interference noise elimination component and apparatus structure of the present invention is simple, and size can be adjusted with construction environment, beautiful and generous after installation, good weatherability, and the partition board of multiple and different length makes it have wider working band, and also have good noise reduction to Middle and low frequency noise.
Description
Technical field
The present invention relates to a kind of interference noise elimination component, more particularly to a kind of railroad platform interference noise elimination component belongs to and disappears
Sound noise reduction technology field.
Background technology
It is one of precondition for carrying out railway station land used comprehensive development and utilization effectively to reduce railroad platform influence of noise.
In railroad platform region, wheel-rail noise is one of most important noise source.At present, it there is no ripe Railways Stations area noise reduction both at home and abroad
Technical solution, common sound-absorbing material mainly absorb high-frequency noises, therefore Middle and low frequency noise is needed to design new noise reduction schemes.
Show the result of study of sound barrier diffraction sound sound barrier top if " soft-sided circle ", diffraction sound will be greatly lowered
(Rawlills,AD Diffraction of Sound by a Rigid Screen with a Soft Perfectly
Absorbing Edge 1976).It has been born respectively waterwheel shape top denoiser (T.Okubo according to this principle；
K.Fujiwara Efficiency of a noise barrier on the ground with an acoustically
Soft cylindrical edge [foreign language periodicals] 1998 (05)) and with different depth recess T-shaped top denoiser
(Kyoji Fujiwara；David C.Hothersall；Chul-hwan Kim.Noise barriers with reactive
Surfaces [foreign language periodicals]).This kind of top denoiser utilizes the principle of sound wave interference, and a part of sound wave enters denoiser
It is reflected in groove and in bottom portion of groove, is formed and achieve the purpose that noise elimination with the interference wave of original sound wave opposite in phase.Due to
Denoiser is mounted on sound barrier top, and to ensure sound barrier and traffic safety, common interference noise reducing device size is small and structure
Single, working frequency range is narrow.
At home and abroad there is no the noise elimination noise reductions that interference-type structure is applied to railroad platform, and railroad platform down space is larger, fit
The larger interference-type denoiser of installation dimension is closed, big construction space is also beneficial to design wide band sound absorption structure, relative to
Other noise reduction measures are particularly conducive to reduce low-frequency noise.
Invention content
It is an object of the invention to solve the noise problem of railroad platform, providing a kind of utilization principle of interference reduces train wheel
The noise elimination component of rail noise, particularly reduces Middle and low frequency noise.
The purpose of the present invention is what is completed by following technology：
Scheme one：
A kind of railroad platform interference silencing apparatus, it is characterised in that：It is used including cover board and at least one railroad platform dry
Noise elimination component is related to, the shape of the cover board is identical with substrate, and the back side of the cover board is equipped with and longitudinal baffle and baffle phase
The slot matched；
The railroad platform includes substrate, baffle, partition board and slot with interference noise elimination component, and the substrate is divided into setting
The region of partition board and the region for being not provided with partition board, the partition board are disposed longitudinally on the region of substrate setting partition board, the gear
Plate is centered around side and the bottom edge of substrate, the partition board and baffle plate setting in substrate front side, two sides of the substrate
Side and bottom end form inverted trapezoidal, and the slot matches with the partition board and baffle, is arranged on the back side of substrate；Described
Substrate is equipped at least one piece of partition board, and the length of the partition board is shorter than the side board of substrate side, and the length of every partition board is equal
It differs；The height of the baffle is identical with divider height；What is formed between the partition board and between partition board and baffle is logical
Road is in horn-like；The region that partition board is not provided on the substrate is equipped with hollow-out part；The partition board is rectangle or does not advise
Then shape；The front end of the substrate is circular arc, elliptic arc or straight line；The substrate, partition board, baffle and slot use material of the same race
Metal or the plastics casting of matter or thermoplastic shaping, form integral structure；The baffle is by being bent to form by an entire plate
Inverted trapezoidal；The front setting slot of the substrate, between the partition board and the substrate and the baffle and the substrate
Between be connected by slot.
Scheme two：
A kind of railroad platform interference silencing apparatus, it is characterised in that：It is used including cover board and at least one railroad platform dry
Noise elimination component is related to, the shape of the cover board is identical with substrate, and the back side of the cover board is equipped with and longitudinal baffle and baffle phase
The slot matched；
The railroad platform includes substrate, baffle, partition board and slot with interference noise elimination component, and the substrate is divided into setting
The region of partition board and the region for being not provided with partition board, the partition board are disposed longitudinally on the region of substrate setting partition board, the gear
Plate is centered around side and the bottom edge of substrate, the partition board and baffle plate setting in substrate front side, two sides of the substrate
Side and bottom end form inverted trapezoidal, and the slot matches with the partition board and baffle, is arranged on the back side of substrate；The base
Plate is equipped with 2-6 partition board, and the length of partition board successively decreases successively, highly identical, the part that the opening of substrate front end has partition board be into
Sound mouth, the part of non-inductive windings is outlet sound mouth, and entering tone mouth is divided into several entering tone channels by partition board；Between the partition board and every
The channel formed between plate and baffle is in horn-like；The region that partition board is not provided on the substrate is equipped with hollow-out part；It is described
Partition board be rectangle or irregular shape；The front end of the substrate is circular arc, elliptic arc or straight line；The substrate, partition board,
Baffle and slot form integral structure using metal or the plastics casting of material of the same race or thermoplastic shaping；The baffle is served as reasons
One entire plate passes through the inverted trapezoidal that is bent to form；The substrate front setting slot, between the partition board and the substrate with
And it is connected between the baffle and the substrate by slot.
Scheme three：
A kind of railroad platform interference silencing apparatus, it is characterised in that：It is used including cover board and at least one railroad platform dry
Noise elimination component is related to, the shape of the cover board is identical with substrate, and the back side of the cover board is equipped with and longitudinal baffle and baffle phase
The slot matched；
The railroad platform includes substrate, baffle, partition board and slot with interference noise elimination component, and the substrate is divided into setting
The region of partition board and the region for being not provided with partition board, the partition board are disposed longitudinally on the region of substrate setting partition board, the gear
Plate is centered around side and the bottom edge of substrate, the partition board and baffle plate setting in substrate front side, two sides of the substrate
Side and bottom end form inverted trapezoidal, and the slot matches with the partition board and baffle, is arranged on the back side of substrate；Described
Substrate is equipped at least one piece of partition board, and the length of the partition board is shorter than the side board of substrate side, and the length of every partition board is equal
It differs；The height of the baffle is identical with divider height；What is formed between the partition board and between partition board and baffle is logical
Road is in horn-like；The region that partition board is not provided on the substrate is equipped with hollow-out part；The partition board is rectangle or does not advise
Then shape；The front end of the substrate is two circular arcs intersected, and a circular arc corresponds to entering tone mouth, another circular arc corresponds to out
Sound mouth；The substrate, partition board, baffle and slot form one using metal or the plastics casting of material of the same race or thermoplastic shaping
Change structure；The baffle is the inverted trapezoidal by being bent to form by an entire plate；The substrate front setting slot, it is described every
It is connected between plate and the substrate and between the baffle and the substrate by slot.
Scheme four：
A kind of railroad platform interference silencing apparatus, it is characterised in that：It is used including cover board and at least one railroad platform dry
Noise elimination component is related to, the shape of the cover board is identical with substrate, and the back side of the cover board is equipped with and longitudinal baffle and baffle phase
The slot matched；
The railroad platform includes substrate, baffle, partition board and slot with interference noise elimination component, and the substrate is divided into setting
The region of partition board and the region for being not provided with partition board, the partition board are disposed longitudinally on the region of substrate setting partition board, the gear
Plate is centered around side and the bottom edge of substrate, the partition board and baffle plate setting in substrate front side, two sides of the substrate
Side and bottom end form inverted trapezoidal, and the slot matches with the partition board and baffle, is arranged on the back side of substrate；The base
Plate is equipped with 2-6 partition board, and the length of partition board successively decreases successively, highly identical, the part that the opening of substrate front end has partition board be into
Sound mouth, the part of non-inductive windings is outlet sound mouth, and entering tone mouth is divided into several entering tone channels by partition board；Between the partition board and every
The channel formed between plate and baffle is in horn-like；The region that partition board is not provided on the substrate is equipped with hollow-out part；It is described
The front end of substrate is two circular arcs intersected, and a circular arc corresponds to entering tone mouth, another circular arc corresponds to outlet sound mouth；The base
Plate, partition board, baffle and slot form integral structure using metal or the plastics casting of material of the same race or thermoplastic shaping；It is described
Baffle is the inverted trapezoidal by being bent to form by an entire plate；The front setting slot of the substrate, the partition board and the base
It is connected between plate and between the baffle and the substrate by slot.
Preferably, according to the requirement for height of application scenarios, multiple interference noise elimination components are connected in series with, from the bottom up, first
The baffle and longitudinal baffle of a substrate are connected by the back slot of second substrate with second substrate, and so on, most
The top of substrate above is equipped with cover board.
The present invention operation principle be：
Present invention utilizes interference eliminate the noise principle, be when a part of sound wave enters component after different length longitudinally every
Diffraction occurs at plate or is reflected at baffle, it is made to inversely add with sound wave outside component by the sound path for increasing incident acoustic wave
It offsets, achievees the purpose that noise reduction sound-deadening.The present invention devises the longitudinal baffle of several different lengths in entering tone mouth, can be widened dry
Relate to the frequency range of noise elimination.
It is an advantage of the invention that：
The configuration of the present invention is simple, easily manufactured and installed, size can be adjusted with construction environment, and structure is beautiful after construction, resistance to
Time property is good.The present invention has wider bandwidth of operation, also there is good noise reduction to Middle and low frequency noise.
Below by the drawings and specific embodiments, the present invention will be further described, but is not meant to protect the present invention
Protect the limitation of range.
Description of the drawings
Fig. 1 is the positive structure schematic that 1 railroad platform of the embodiment of the present invention interferes noise elimination component.
Fig. 2 is the structure schematic diagram that 1 railroad platform of the embodiment of the present invention interferes noise elimination component.
Fig. 3 is the assembly structure diagram that 1 railroad platform of the embodiment of the present invention interferes noise elimination component.
Fig. 4 is that the backside structure of cover board used when 1 railroad platform of the embodiment of the present invention is assembled with interference noise elimination component is shown
It is intended to.
Fig. 5-1 and Fig. 5-2 is the structure diagram that railroad platform of the present invention interferes different shape substrate in noise elimination component.
Fig. 6 is that railroad platform of the present invention interferes noise elimination component and the schematic top plan view of rail relationship.
Main appended drawing reference explanation：
1 substrate, 2 longitudinal baffle
3 baffle, 4 slot
5 substrate hollow parts
Specific embodiment
Embodiment 1
As shown in Figure 1, interfere the positive structure schematic of noise elimination component, the railroad platform for the present embodiment railroad platform
With interference noise elimination component, including substrate 1, longitudinal baffle 2, baffle 3 and slot 4, two sides of substrate 1 and bottom end composition are trapezoidal
Structure, front end, that is, upper end of substrate 1 are two circular arcs intersected, and a circular arc corresponds to entering tone mouth, another circular arc corresponds to
Outlet sound mouth, the lower end to connect with two circular arcs are inverted trapezoidal, and the shape of substrate 1 is approximate fan-shaped.Longitudinal baffle 2 and baffle 3
1 front of substrate is arranged on, baffle 3 is centered around side and the bottom edge of substrate 1, and substrate 1 includes the region of setting longitudinal baffle 2
With the region for being not provided with longitudinal baffle 2.
The opening of 1 front end of substrate or upper end is divided into entering tone mouth and outlet sound mouth according to Acoustic Wave Propagation direction, have longitudinal direction every
The side of plate 2 is entering tone mouth, and the side of no longitudinal baffle is outlet sound mouth, and the positive entering tone mouth of substrate 1 is different long equipped with 4 pieces nearby
The longitudinal baffle 2 of degree, wherein the length of longest longitudinal baffle 2 is shorter than the side board of baffle 3, longitudinal direction inside from outermost layer
The length of partition board 2 is successively decreased successively, and longitudinal baffle 2 is rectangle, and the length of 4 pieces of longitudinal baffles 2 is different, height is identical, longitudinal direction every
The height of plate 2 is identical with the height of baffle 3.It is divided into 4 between longitudinal baffle 2 and by entering tone mouth between longitudinal baffle 2 and baffle 3
A is in horn-like channel, and partition board 2 corresponds to a best interference frequency of noise elimination longitudinally in each, and multiple partition boards can reach broadband and disappear
The purpose of sound.
As shown in Fig. 2, interfere the structure schematic diagram of noise elimination component, the back of the body of substrate 1 for the present embodiment railroad platform
Face be equipped with slot 4 corresponding with the position of longitudinal baffle 2 and baffle 3, for another interference noise elimination component under it
Longitudinal baffle 2 and baffle 3 match grafting.Hollow processing is done in the region of non-inductive windings near outlet sound mouth of substrate 1, makes it as far as possible
Fretwork area is maximum, forms substrate hollow part 5.
Substrate 1, longitudinal baffle 2, baffle 3 and slot 4 are using metal or the plastics casting of material of the same race or thermoplastic shaping, shape
Integralization structure.
Using the above-mentioned interference noise elimination component composition railroad platform interference silencing apparatus of cover board and 4, as shown in figure 3,
Interfere the assembly structure diagram of noise elimination component for the present embodiment railroad platform, by substrate 1, longitudinal baffle 2, baffle 3 and insert
The quantity for the integral structure that slot 4 forms is 4, and from the bottom up, the baffle 3 and longitudinal baffle 2 of first integral structure are inserted
Enter in second integral structure in the back slot 4 of substrate, and so on, substrate 1 in uppermost integral structure
Top is equipped with cover board.After longitudinal baffle 2 and baffle 3 are inserted into slot 4, bonding processing is carried out to splicing position, including using glue and
Bonding of epoxy resin etc., purpose are not only to increase structural stability, even more leakage sound at slot 4 in order to prevent.In this way, it is formed
The railroad platform of about four superpositions interference noise elimination component.Different integration knots is selected during in-site installation according to actual needs
Structure number is to meet the application scenarios of different height.
As shown in figure 4, structure schematic diagram of the present embodiment railroad platform with interference noise elimination component cover plate, cover board
Shape is identical with substrate 1, the longitudinal baffle 2 of top layer's component and the top of baffle 3 is set to, referring to structure shown in Fig. 3
Top.Slot on the back side of cover board is consistent with the slot 4 at 1 back side of substrate, and cover board passes through slot and longitudinal baffle 2 and baffle
3 are connected, but entire plate does not do hollow processing.
As shown in fig. 6, when interfering noise elimination component applied to railroad platform for the present embodiment railroad platform, interfere noise elimination structure
The schematic top plan view of the relationship of part and rail, wherein arrow show train running direction.
Embodiment 2
It is other same as Example 1, difference lies in：The shape of the front end of substrate 1 is designed as circular arc, elliptic arc or straight line
Type, if Fig. 5-1 and Fig. 5-2 show the structure diagram of different shape substrate in interference noise elimination component, Fig. 5-1 is before substrate 1
The schematic diagram for arc-shaped is held, Fig. 5-2 is that 1 front end of substrate is linear schematic diagram.
Embodiment 3
It is other same as Example 1, difference lies in：To further increase sound path, part longitudinal baffle 2 may be designed as not advising
Then shape, such as bending or arc-shaped.
Embodiment 4
Design, the front and back design of substrate 1 are separated to substrate 1 in Fig. 1 of embodiment 1 and longitudinal baffle 2 and baffle 3
For symmetrical inserting slot construction, wherein slot 4 is consistent in the position of a face slot and Fig. 2.Different length are respectively prepared in each longitudinal baffle 2
The plate of degree, baffle 3 are the inverted trapezoidal being bent by a monoblock rectangle long slab.
Each parts such as the partition board 2 of substrate 1, different length with two-sided slot 4 during processing, the baffle 3 of inverted trapezoidal are made respectively
Make, substrate 1 is integrally machined with slot 4, this embodiment have the advantages that mold simply, simple processing, while process each
Part is put by class, is taken up space small, and transport is more convenient.
Construction site is connected into structure similar to Example 1 according to Fig. 3 to above-mentioned each part.
Above-described embodiment is not the restriction to structure of the present invention, technique, any structure made to the present invention after simple transformation,
Or the technique with identical function, it has analogous shape but changes structure proportion, size, assembling mode, key position has phase
The different process processing method of congenerous belongs to the protection domain of patent of the present invention.
Claims (5)
1. a kind of railroad platform interference silencing apparatus, it is characterised in that：Interfere including cover board and at least one railroad platform
Noise elimination component, the shape of the cover board is identical with substrate, and the back side of the cover board is equipped with to match with longitudinal baffle and baffle
Slot；
The railroad platform includes substrate, baffle, partition board and slot with interference noise elimination component, and the substrate is divided into setting partition board
Region and be not provided with the region of partition board, the partition board is disposed longitudinally on the region of substrate setting partition board, and the baffle encloses
Be wound on side and the bottom edge of substrate, the partition board and baffle plate setting in substrate front side, two sides of the substrate and
Bottom end forms inverted trapezoidal, and the slot matches with the partition board and baffle, is arranged on the back side of substrate；The substrate
At least one piece of partition board is equipped with, the length of the partition board is shorter than the side board of substrate side, the length of every partition board not phase
Together；The height of the baffle is identical with divider height；The channel formed between the partition board and between partition board and baffle is in
It is horn-like；The region that partition board is not provided on the substrate is equipped with hollow-out part；The partition board is rectangle or irregular shape
Shape；The front end of the substrate is circular arc, elliptic arc or straight line；The substrate, partition board, baffle and slot are using material of the same race
Metal or plastics casting or thermoplastic shaping, form integral structure；The baffle is to be fallen by an entire plate by what is be bent to form
It is trapezoidal；The front setting slot of the substrate, between the partition board and the substrate and between the baffle and the substrate
It is connected by slot.
2. a kind of railroad platform interference silencing apparatus, it is characterised in that：Interfere including cover board and at least one railroad platform
Noise elimination component, the shape of the cover board is identical with substrate, and the back side of the cover board is equipped with to match with longitudinal baffle and baffle
Slot；
The railroad platform includes substrate, baffle, partition board and slot with interference noise elimination component, and the substrate is divided into setting partition board
Region and be not provided with the region of partition board, the partition board is disposed longitudinally on the region of substrate setting partition board, and the baffle encloses
Be wound on side and the bottom edge of substrate, the partition board and baffle plate setting in substrate front side, two sides of the substrate and
Bottom end forms inverted trapezoidal, and the slot matches with the partition board and baffle, is arranged on the back side of substrate；The substrate is set
There is 2-6 partition board, the length of partition board is successively decreased successively, and height is identical, and the part that the opening of substrate front end has partition board is entering tone
Mouthful, the part of non-inductive windings is outlet sound mouth, and entering tone mouth is divided into several entering tone channels by partition board；Between the partition board and partition board
The channel formed between baffle is in horn-like；The region that partition board is not provided on the substrate is equipped with hollow-out part；Described
Partition board is rectangle or irregular shape；The front end of the substrate is circular arc, elliptic arc or straight line；The substrate, partition board, gear
Plate and slot form integral structure using metal or the plastics casting of material of the same race or thermoplastic shaping；The baffle is by one
Entire plate passes through the inverted trapezoidal that is bent to form；The substrate front setting slot, between the partition board and the substrate and
It is connected between the baffle and the substrate by slot.
3. a kind of railroad platform interference silencing apparatus, it is characterised in that：Interfere including cover board and at least one railroad platform
Noise elimination component, the shape of the cover board is identical with substrate, and the back side of the cover board is equipped with to match with longitudinal baffle and baffle
Slot；
The railroad platform includes substrate, baffle, partition board and slot with interference noise elimination component, and the substrate is divided into setting partition board
Region and be not provided with the region of partition board, the partition board is disposed longitudinally on the region of substrate setting partition board, and the baffle encloses
Be wound on side and the bottom edge of substrate, the partition board and baffle plate setting in substrate front side, two sides of the substrate and
Bottom end forms inverted trapezoidal, and the slot matches with the partition board and baffle, is arranged on the back side of substrate；The substrate
At least one piece of partition board is equipped with, the length of the partition board is shorter than the side board of substrate side, the length of every partition board not phase
Together；The height of the baffle is identical with divider height；The channel formed between the partition board and between partition board and baffle is in
It is horn-like；The region that partition board is not provided on the substrate is equipped with hollow-out part；The partition board is rectangle or irregular shape
Shape；The front end of the substrate is two circular arcs intersected, and a circular arc corresponds to entering tone mouth, another circular arc, which corresponds to, speaks
Mouthful；The substrate, partition board, baffle and slot form integration using metal or the plastics casting of material of the same race or thermoplastic shaping
Structure；The baffle is the inverted trapezoidal by being bent to form by an entire plate；The front setting slot of the substrate, the partition board
It is connected between the substrate and between the baffle and the substrate by slot.
4. a kind of railroad platform interference silencing apparatus, it is characterised in that：Interfere including cover board and at least one railroad platform
Noise elimination component, the shape of the cover board is identical with substrate, and the back side of the cover board is equipped with to match with longitudinal baffle and baffle
Slot；
The railroad platform includes substrate, baffle, partition board and slot with interference noise elimination component, and the substrate is divided into setting partition board
Region and be not provided with the region of partition board, the partition board is disposed longitudinally on the region of substrate setting partition board, and the baffle encloses
Be wound on side and the bottom edge of substrate, the partition board and baffle plate setting in substrate front side, two sides of the substrate and
Bottom end forms inverted trapezoidal, and the slot matches with the partition board and baffle, is arranged on the back side of substrate；The substrate is set
There is 2-6 partition board, the length of partition board is successively decreased successively, and height is identical, and the part that the opening of substrate front end has partition board is entering tone
Mouthful, the part of non-inductive windings is outlet sound mouth, and entering tone mouth is divided into several entering tone channels by partition board；Between the partition board and partition board
The channel formed between baffle is in horn-like；The region that partition board is not provided on the substrate is equipped with hollow-out part；The base
The front end of plate is two circular arcs intersected, and a circular arc corresponds to entering tone mouth, another circular arc corresponds to outlet sound mouth；The base
Plate, partition board, baffle and slot form integral structure using metal or the plastics casting of material of the same race or thermoplastic shaping；It is described
Baffle is the inverted trapezoidal by being bent to form by an entire plate；The front setting slot of the substrate, the partition board and the base
It is connected between plate and between the baffle and the substrate by slot.
5. the railroad platform interference silencing apparatus according to any one of claim 1-4, it is characterised in that：According to application
The requirement for height of scene, multiple interference noise elimination components are connected in series with, and from the bottom up, the baffle and longitudinal baffle of first substrate lead to
The back slot for crossing second substrate is connected with second substrate, and so on, the top of uppermost substrate is equipped with cover board.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610280928.9A CN105755973B (en) | 2016-04-28 | 2016-04-28 | A kind of railroad platform interference noise elimination component |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610280928.9A CN105755973B (en) | 2016-04-28 | 2016-04-28 | A kind of railroad platform interference noise elimination component |
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| CN105755973A CN105755973A (en) | 2016-07-13 |
| CN105755973B true CN105755973B (en) | 2018-06-29 |
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| KR20050053002A (en) * | 2003-12-01 | 2005-06-07 | 니뽄 가이시 가부시키가이샤 | Soundproof device and soundproof wall |
| CN101197129A (en) * | 2006-12-07 | 2008-06-11 | Mk精工株式会社 | Noise reduction device |
| CN201395770Y (en) * | 2009-04-14 | 2010-02-03 | 朴太善 | Interference type noise reducer |
| KR100941751B1 (en) * | 2009-07-13 | 2010-02-11 | 메리츠산업주식회사 | Noise reducer using multi-step reducing structure |
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| KR101542547B1 (en) * | 2014-11-28 | 2015-08-07 | (주)신행건설 | A soundproof panel assembly |
| CN205636536U (en) * | 2016-04-28 | 2016-10-12 | 中国铁道科学研究院 | Railroad platform is with interfering noise elimination component and device |
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| CN105755973A (en) | 2016-07-13 |
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