CN204151704U - Orbit traffic overhead line generalization noise reduction system - Google Patents
Orbit traffic overhead line generalization noise reduction system Download PDFInfo
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- CN204151704U CN204151704U CN201420547067.2U CN201420547067U CN204151704U CN 204151704 U CN204151704 U CN 204151704U CN 201420547067 U CN201420547067 U CN 201420547067U CN 204151704 U CN204151704 U CN 204151704U
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- noise reduction
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- overhead line
- rail
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Abstract
The utility model discloses a kind of orbit traffic overhead line generalization noise reduction system, this system comprises noise reduction track system, noise reduction sound absorption and insulation barrier system and noise reduction Modular Bridge System, wherein, described noise reduction track system comprises damping steel rail and is selected from the one in spring secures rail to sleeper, ladder-type sleepers or floating plate; Described noise reduction sound absorption and insulation barrier system comprise the short barrier of nearly rail, beam face sound absorber stockpile, abatvoix and be selected from vertical type sound barrier, semi-enclosed sound barrier or closed noise barrier three kinds of barriers appoint one or more, select suitable sound barrier to carry out noise reduction operation in actual applications as the case may be; Described noise reduction Modular Bridge System comprises: be arranged on the crossbeam in order to support sleeper on viaduct, is provided with beam body soundproof course bottom described crossbeam; Above-mentioned three kinds of denoising devices use simultaneously, comprehensive, carry out noise reduction process to rail system to three-dimensional, to reach the object of abundant noise reduction.
Description
Technical field
The utility model relates to a kind of noise reduction system of track traffic, is specifically related to a kind of orbit traffic overhead line generalization noise reduction system.
Background technology
Noise pollution is as one of large public hazards in current city seven, noise disturbs daily life always, track traffic is the vehicles that in actual life, people are indispensable, and the noise pollution of track traffic especially severe always, so to control and the noise cutting down track traffic is problem always in the urgent need to address in actual life, and in track traffic to people life have the greatest impact no more than the noise of locomotive by sending during bridge, to get on the right track the noise pollution of traffic so a lot of people is devoted to alleviate or eliminate bridge, in prior art, the noise reduction schemes adopted for orbit traffic overhead line is mostly more single, usual employing arranges the mode of sound barrier or vibration damping track to realize noise reduction, but noise reduction is often not ideal enough, not a kind of comprehensive noise reduction measure.
For above-mentioned reasons, the present inventor is to existing track traffic, and especially the noise reduction mode of orbit traffic overhead line, equipment conduct in-depth research, to be designed go out the excellent vibration insulating system of a set of noise reduction effect.
Utility model content
In order to overcome the problems referred to above, present inventor has performed and study with keen determination, design a kind of orbit traffic overhead line generalization noise reduction system, this system comprises noise reduction track system, noise reduction sound absorption and insulation barrier system and noise reduction Modular Bridge System, above-mentioned three's denoising structure is applied simultaneously, carries out noise reduction in all directions, wherein, noise reduction track system comprises damping steel rail, and is selected from the one in spring secures rail to sleeper, ladder-type sleepers or floating plate; The one that noise reduction sound absorption and insulation barrier system comprises the short barrier of nearly rail, beam face sound absorber stockpile, abatvoix and is selected from vertical type sound barrier, semi-enclosed sound barrier or closed noise barrier three kinds of barriers, selects suitable sound barrier to carry out work in actual applications as the case may be; Noise reduction Modular Bridge System comprises: be arranged on the crossbeam in order to support sleeper on viaduct, and described cross rail outer is provided with beam body soundproof course; Thus complete the utility model.
Specifically, the purpose of this utility model is to provide following aspect:
(1) an orbit traffic overhead line generalization noise reduction system, is characterized in that, this system comprises noise reduction track system, noise reduction sound absorption and insulation barrier system and noise reduction Modular Bridge System,
Wherein, described noise reduction track system comprises damping steel rail 1, and described damping steel rail 1 comprises rail and the damping layer 11 be pasted onto on rail and optional support restraint layer 12,
Described noise reduction sound absorption and insulation barrier system comprises the short barrier 2 of the nearly rail being erected at track both sides, is laid on the beam face sound absorber stockpile 3 on bridge surface and pastes the abatvoix 4 inside above pontic, and described noise reduction sound absorption and insulation barrier system also comprises any one sound barrier be selected from vertical type sound barrier, semi-enclosed sound barrier or closed noise barrier;
Described noise reduction Modular Bridge System comprises the crossbeam of supporting track, and described crossbeam is be selected from any one beam in U-shaped beam, T-shaped beam, single case beam or two case beam, and is coated with beam body soundproof course 5 at the outer surface of described crossbeam.
(2) the orbit traffic overhead line generalization noise reduction system according to above-mentioned (1), it is characterized in that, described damping steel rail is arranged on ladder-type sleepers.
(3) the orbit traffic overhead line generalization noise reduction system according to above-mentioned (1), it is characterized in that, described damping steel rail is fixed on sleeper by spring secures rail to sleeper.
(4) the orbit traffic overhead line generalization noise reduction system according to above-mentioned (1), it is characterized in that, described damping steel rail is arranged on floating plate.
(5) the orbit traffic overhead line generalization noise reduction system according to above-mentioned (1), it is characterized in that, described vertical type sound barrier comprises the vertical sound-insulating covering 1 being erected at pontic both sides respectively and the top acoustical board 62 being arranged on described vertical sound-insulating covering 61 top;
Described semi-enclosed sound barrier comprises the vertical sound-insulating covering 2 63 being erected at pontic both sides respectively and two curved baffles 64 be separately positioned on above vertical sound-insulating covering;
Described closed noise barrier comprises the vertical sound-insulating covering 3 65 that is erected at pontic both sides respectively and to be arranged on above bridge and the sound insulation top cover 66 be connected with two vertical sound-insulating coverings respectively.
(6) the orbit traffic overhead line generalization noise reduction system according to above-mentioned (1), is characterized in that, lays damping material respectively at the base plate of the locomotive through described orbit traffic overhead line and the inner side on skirt limit.
(7) the orbit traffic overhead line generalization noise reduction system according to above-mentioned (1), is characterized in that, the inside of described single case beam has an airtight predetermined space 7, has two airtight predetermined spaces in the inside of described pair of case beam.
(8) the orbit traffic overhead line generalization noise reduction system according to above-mentioned (7), is characterized in that, in described airtight space, arrange dividing plate 9, or in described airtight space the damping sound absorption material 8 of light filling.
(9) the orbit traffic overhead line generalization noise reduction system according to above-mentioned (7), is characterized in that, increases the thickness of the beam body wall for the formation of described predetermined space 7.
(10) the orbit traffic overhead line generalization noise reduction system according to above-mentioned (1), is characterized in that, described damping layer 11 and optional support restraint layer 12 are pasted successively in the both sides, middle part of rail and/or flange of rail upper and lower surface.
The beneficial effect that the utility model has comprises:
(1) according to the orbit traffic overhead line generalization noise reduction system that the utility model provides, adopt three kinds of noise reduction system collaborative works, make the noise reduction of total system more superior;
(2) according to the orbit traffic overhead line generalization noise reduction system that the utility model provides, bottom crossbeam, be creatively equipped with beam body soundproof course, thus reduce the noise blazed abroad from Liang Tishang, the noise reduction of overhead route is obviously strengthened;
(3) according to the orbit traffic overhead line generalization noise reduction system that the utility model provides, in the cavity of beam body, fill acoustic damping materials or dividing plate, the anti-acoustic capability of beam body is improved.
Accompanying drawing explanation
Fig. 1 illustrates the structural representation in the orbit traffic overhead line generalization noise reduction system cross section according to a kind of preferred embodiment of the utility model;
Fig. 2 illustrates the semi-enclosed noise barrier structure schematic diagram of the orbit traffic overhead line generalization noise reduction system according to a kind of preferred embodiment of the utility model;
Fig. 3 illustrates the closed noise barrier structural representation of the orbit traffic overhead line generalization noise reduction system according to a kind of preferred embodiment of the utility model;
Fig. 4 illustrates the damping steel rail structural representation of the orbit traffic overhead line generalization noise reduction system according to a kind of preferred embodiment of the utility model;
Fig. 5 illustrates T-shaped beam according to the orbit traffic overhead line generalization noise reduction system of a kind of preferred embodiment of the utility model and beam body soundproof course structural representation thereof;
Fig. 6 illustrates U-shaped beam according to the orbit traffic overhead line generalization noise reduction system of a kind of preferred embodiment of the utility model and beam body soundproof course structural representation thereof;
Fig. 7 illustrates single case beam according to the orbit traffic overhead line generalization noise reduction system of a kind of preferred embodiment of the utility model and beam body soundproof course structural representation thereof;
Fig. 8 illustrates the structural representation of filling damping sound absorption material in the predetermined space according to the orbit traffic overhead line generalization noise reduction system of a kind of preferred embodiment of the utility model;
Fig. 9 illustrates the structural representation arranging dividing plate in the predetermined space according to the orbit traffic overhead line generalization noise reduction system of a kind of preferred embodiment of the utility model;
Figure 10 illustrates the structural representation arranging multiple dividing plate in the predetermined space according to the orbit traffic overhead line generalization noise reduction system of a kind of preferred embodiment of the utility model;
Figure 11 illustrates the structural representation of the increase predetermined space wall thickness of the orbit traffic overhead line generalization noise reduction system according to a kind of preferred embodiment of the utility model;
Drawing reference numeral illustrates:
1-damping steel rail
11-damping layer
12-supports restraint layer
The short barrier of the nearly rail of 2-
3-beam face sound absorber stockpile
4-abatvoix
5-beam body soundproof course
51-T type beam
52-U type beam
The mono-case beam of 53-
The vertical sound-insulating covering one of 61-
62-top acoustical board
The vertical sound-insulating covering two of 63-
64-curved baffle
The vertical sound-insulating covering three of 65-
66-sound insulation top cover
7-predetermined space
8-damping sound absorption material
9-dividing plate
Detailed description of the invention
Below by drawings and Examples, the utility model is further described.Illustrated by these, feature of the present utility model and advantage will become more explicit.
Word " exemplary " special here means " as example, embodiment or illustrative ".Here need not be interpreted as being better than or being better than other embodiment as any embodiment illustrated by " exemplary ".Although the various aspects of embodiment shown in the drawings, unless otherwise indicated, accompanying drawing need not be drawn in proportion.
According to the orbit traffic overhead line generalization noise reduction system that the utility model provides, this system comprises, noise reduction track system, noise reduction sound absorption and insulation barrier system and noise reduction Modular Bridge System, this system realizes the object of abundant noise reduction by above-mentioned three kinds of concrete noise reduction system synergies.
In one preferred embodiment, as shown in fig. 1, described noise reduction track system comprises damping steel rail 1 and is selected from spring secures rail to sleeper, a kind of noise reduction measure in ladder-type sleepers or floating plate, specifically, described noise reduction track also wraps selects spring secures rail to sleeper to be fixedly connected with sleeper and damping steel rail, or damping steel rail is placed on ladder-type sleepers or floating plate, namely can only choose in the device or structure of above-mentioned three kinds of vibration and noise reducings and a kind ofly be applied in the noise reduction track that the utility model provides, its reason is that above-mentioned three kinds of denoising devices or structure all can cause the basis of rail system partially soft, the instability of rail may be caused, so, should to choose in above-mentioned three kinds of denoising devices or structure a kind of is applied in the system that the utility model provides according to actual conditions.
In one preferred embodiment, as shown in Figure 4, described damping steel rail is arranged on the top of sleeper, described damping steel rail comprise rail and to be pasted onto successively in the middle part of rail and/bottom upper and lower surface damping layer 11 and support restraint layer 12, namely described damping steel rail on the basis of common rail, pastes also lamination damping layer and support restraint layer obtain, wherein, the vertical position on I shape rail is referred in the middle part of described rail, by lamination damping layer and the damping property supporting restraint layer enhancing rail, improve noise reduction, described damping layer is made up of damping material, preferably by rubber, or the materials such as solid-state or liquid damping fluid conventional in this area are made, preferably, the material that described support restraint layer can play restriction and support effect by steel plate or duroplasts etc. is made.
In one preferred embodiment, as as shown in Fig. 1,2,3, described noise reduction sound absorption and insulation barrier system comprises the short barrier 2 of the nearly rail being erected at track both sides, is laid on the beam face sound absorber stockpile 3 on bridge surface and pastes the abatvoix 4 inside above pontic, in addition, noise reduction sound absorption and insulation barrier system also comprises the one be selected from vertical type sound barrier, semi-enclosed sound barrier or closed noise barrier three kinds of barriers.Suitable sound barrier situation is chosen according to the actual requirements with field condition, so that coordinate other denoising device to act synergistically, reach better noise reduction, wherein, described vertical type sound barrier comprises the vertical sound-insulating covering 1 being erected at pontic both sides respectively and the top sound absorption 62 being arranged on described vertical sound-insulating covering 61 top;
Described semi-enclosed sound barrier comprises the vertical sound-insulating covering 2 63 being erected at pontic both sides respectively and two curved baffles 64 be separately positioned on above vertical sound-insulating covering;
Described closed noise barrier comprises the vertical sound-insulating covering 3 65 that is erected at pontic both sides respectively and to be arranged on above bridge and the sound insulation top cover 66 be connected with two vertical sound-insulating coverings respectively.The main part of above-mentioned three kinds of sound barriers is all made up of damping material.
In further preferred embodiment, the short barrier of described nearly rail is erected at the bridge of track both sides on the surface, the short barrier of nearly rail is 180 ~ 170cm apart from orbit centre linear distance, the short barrier height 50 ~ 100mm of nearly rail, the length of the short barrier of nearly rail is consistent with the length of viaduct, is generally made up of the sheet material with certain sound absorption qualities.
In further preferred embodiment, on the bridge floor of the vacant positions such as between two rail that described beam face sound absorber stockpile is laid on a track or rail both sides, its concrete paving location needs to determine according to the structure of track, described beam face sound absorber stockpile is by having multiple aperture or having that the block sound-absorbing structure of multiple irregular surface forms, preferably, can the stone being similar to railway ballast be piled up in heaps, as beam face sound absorber stockpile.
In further preferred embodiment, arranging of abatvoix can be as shown in fig. 1, namely abatvoix is positioned at the position at the most edge of close bridge of track both sides, generally, abatvoix can be arranged on the lower outer surface of the platform for people's walking of bridge both sides, this platform lower inner is for storing cable or electricity component, and described abatvoix is made up of the sheet material that can absorb sound.
In further preferred embodiment, top acoustical board is arranged on the top of vertical sound-insulating covering 61, the sound absorbing capabilities of described top acoustical board is higher, because the sound passed through above vertical sound barrier is more, sound wave is stronger, so install a sound absorbing capabilities better top acoustical board at vertical sound barrier top, can attenuating noise dramatically, reach the effect of sound insulation and noise reducing fully.
In one preferred embodiment, as shown in fig. 1, noise reduction Modular Bridge System comprises the crossbeam of supporting track, described crossbeam is for being selected from U-shaped beam, T-shaped beam, any one beam in single case beam or two case beam, and have beam body soundproof course 5 in the outer side covers of described crossbeam, described beam body soundproof course covers the bottom of described crossbeam completely, namely the one side of described crossbeam away from sleeper is covered completely, by described beam body soundproof course, the vibrations above crossbeam and noise are cut off, it is made to be difficult to propagate into outside, namely can be understood as and by arranging beam body soundproof course, described crossbeam sound insulating material is wrapped up, thus reach the effect of noise reduction, in addition, the main effect of described beam body soundproof course is to reduce the noise jamming be subject to below overhead route, so for the contaminated crowd below overhead route, the noise reduction of beam body soundproof course is the most directly with effective.
In one preferred embodiment, as shown in Figure 5, when described crossbeam is T-shaped beam 51, beam body soundproof course is arranged in the middle part of T-shaped beam, on the external surface of bottom, beam body soundproof course described in the present invention is the structure having sound insulation or damping material to make being arranged on ad-hoc location on beam body, is preferably chosen for platy structure or membrane structure.
In one preferred embodiment, as shown in Figure 6, when described crossbeam is U-shaped beam 52, beam body soundproof course is arranged on U-shaped beam bottom surface.
In one preferred embodiment, as shown in Figure 7, when described crossbeam is single case beam 53, beam body soundproof course covers the outside of single case.
In one preferred embodiment, as shown in fig. 1, when described crossbeam is two case beam, beam body soundproof course covers the outside of two casees.
In one preferred embodiment, as as shown in Fig. 1,8,9,10, described crossbeam inside has predetermined space 7, its reason is the weight alleviating beam body, but this structure can cause noise pollution to aggravate, so, propose in the utility model to fill damping damping material 8 in the predetermined space in described crossbeam, preferably fill sound-absorbing foam, or dividing plate 9 is set in predetermined space, described dividing plate can have one or more, and making, when increasing beam body weight not too much, provides the vibration and noise reducing performance of beam body.
In one preferred embodiment, as shown in Figure 11, the thickness for the formation of the beam body wall of described predetermined space 7 is suitably increased, i.e. the wall thickness of single case beam and two case beam, with the damping property of strengthened beam body.
In one preferred embodiment, the locomotive through overhead route described in the utility model is transformed, lay damping material respectively, to reach the object of comprehensive noise reduction at the base plate of described locomotive and the inner side on skirt limit.
In description of the present utility model, it should be noted that, term " ", " two " " three " etc., only for describing object, are only the utility model and simplified characterization for convenience of description, instead of instruction or the hint device of indication or the relative importance of element.
The beneficial effect that the utility model has comprises:
(1) according to the orbit traffic overhead line generalization noise reduction system that the utility model provides, adopt three kinds of noise reduction system collaborative works, make the noise reduction of total system more superior;
(2) according to the orbit traffic overhead line generalization noise reduction system that the utility model provides, bottom crossbeam, be creatively equipped with beam body soundproof course, thus reduce the noise blazed abroad from Liang Tishang, the noise reduction of overhead route is obviously strengthened.
More than combine and preferred embodiment the utility model is illustrated, but these embodiments are only exemplary, only play illustrative effect.On this basis, can carry out multiple replacement and improvement to the utility model, these all fall in protection domain of the present utility model.
Claims (10)
1. an orbit traffic overhead line generalization noise reduction system, is characterized in that, this system comprises noise reduction track system, noise reduction sound absorption and insulation barrier system and noise reduction Modular Bridge System,
Wherein, described noise reduction track system comprises damping steel rail (1), and described damping steel rail (1) comprises rail and the damping layer (11) be pasted onto on rail and optional support restraint layer (12),
Described noise reduction sound absorption and insulation barrier system comprises the short barrier of nearly rail (2) being erected at track both sides, beam face sound absorber stockpile (3) being laid on bridge surface and pastes the abatvoix (4) of inner side above pontic, and described noise reduction sound absorption and insulation barrier system also comprises any one sound barrier be selected from vertical type sound barrier, semi-enclosed sound barrier or closed noise barrier;
Described noise reduction Modular Bridge System comprises the crossbeam of supporting track, and described crossbeam is be selected from any one beam in U-shaped beam, T-shaped beam, single case beam or two case beam, and is coated with beam body soundproof course (5) at the outer surface of described crossbeam.
2. orbit traffic overhead line generalization noise reduction system according to claim 1, it is characterized in that, described damping steel rail is arranged on ladder-type sleepers.
3. orbit traffic overhead line generalization noise reduction system according to claim 1, it is characterized in that, described damping steel rail is fixed on sleeper by spring secures rail to sleeper.
4. orbit traffic overhead line generalization noise reduction system according to claim 1, it is characterized in that, described damping steel rail is arranged on floating plate.
5. orbit traffic overhead line generalization noise reduction system according to claim 1, it is characterized in that, described vertical type sound barrier comprises the vertical sound-insulating covering one (61) being erected at pontic both sides respectively and the top acoustical board (62) being arranged on described vertical sound-insulating covering (61) top;
Described semi-enclosed sound barrier comprises the vertical sound-insulating covering two (63) being erected at pontic both sides respectively and two curved baffles (64) be separately positioned on above vertical sound-insulating covering;
Described closed noise barrier comprises the vertical sound-insulating covering three (65) that is erected at pontic both sides respectively and to be arranged on above bridge and the sound insulation top cover (66) be connected with two vertical sound-insulating coverings respectively.
6. orbit traffic overhead line generalization noise reduction system according to claim 1, is characterized in that, lays damping material respectively at the base plate of the locomotive through described orbit traffic overhead line and the inner side on skirt limit.
7. orbit traffic overhead line generalization noise reduction system according to claim 1, is characterized in that, the inside of described single case beam has an airtight predetermined space (7), has two airtight predetermined spaces in the inside of described pair of case beam.
8. orbit traffic overhead line generalization noise reduction system according to claim 7, is characterized in that, arranges dividing plate (9) in described airtight space, or in described airtight space the damping sound absorption material (8) of light filling.
9. orbit traffic overhead line generalization noise reduction system according to claim 7, is characterized in that, increases the thickness of the beam body wall for the formation of described predetermined space (7).
10. orbit traffic overhead line generalization noise reduction system according to claim 1, is characterized in that, described damping layer (11) and optional support restraint layer (12) are pasted successively in the both sides, middle part of rail and/or flange of rail upper and lower surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420547067.2U CN204151704U (en) | 2014-09-22 | 2014-09-22 | Orbit traffic overhead line generalization noise reduction system |
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| CN201420547067.2U CN204151704U (en) | 2014-09-22 | 2014-09-22 | Orbit traffic overhead line generalization noise reduction system |
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| CN204151704U true CN204151704U (en) | 2015-02-11 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104894990A (en) * | 2015-06-05 | 2015-09-09 | 山西尚风科技股份有限公司 | All-closed noise barrier |
| CN105064230A (en) * | 2015-07-13 | 2015-11-18 | 中铁工程设计咨询集团有限公司 | Near-rail noise reducing device at T-beam and mounting method of noise reducing device |
| CN105297610A (en) * | 2015-10-23 | 2016-02-03 | 西南交通大学 | Viaduct system |
| CN106638342A (en) * | 2016-12-01 | 2017-05-10 | 辽宁融达新材料科技有限公司 | Foamed aluminum substrate sound barrier of U-shaped beam of metro |
| CN107059672A (en) * | 2017-05-20 | 2017-08-18 | 江苏远兴环保集团有限公司 | A kind of track traffic multi sound barrier |
| CN108914796A (en) * | 2018-08-28 | 2018-11-30 | 中铁第四勘察设计院集团有限公司 | A kind of sound barrier device of straddle-type monorail |
| WO2024021442A1 (en) * | 2022-07-23 | 2024-02-01 | 浙江天铁实业股份有限公司 | Elevated double-track railway noise reduction system |
-
2014
- 2014-09-22 CN CN201420547067.2U patent/CN204151704U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104894990A (en) * | 2015-06-05 | 2015-09-09 | 山西尚风科技股份有限公司 | All-closed noise barrier |
| CN105064230A (en) * | 2015-07-13 | 2015-11-18 | 中铁工程设计咨询集团有限公司 | Near-rail noise reducing device at T-beam and mounting method of noise reducing device |
| CN105297610A (en) * | 2015-10-23 | 2016-02-03 | 西南交通大学 | Viaduct system |
| CN105297610B (en) * | 2015-10-23 | 2017-04-12 | 西南交通大学 | Viaduct system |
| CN106638342A (en) * | 2016-12-01 | 2017-05-10 | 辽宁融达新材料科技有限公司 | Foamed aluminum substrate sound barrier of U-shaped beam of metro |
| CN107059672A (en) * | 2017-05-20 | 2017-08-18 | 江苏远兴环保集团有限公司 | A kind of track traffic multi sound barrier |
| CN108914796A (en) * | 2018-08-28 | 2018-11-30 | 中铁第四勘察设计院集团有限公司 | A kind of sound barrier device of straddle-type monorail |
| WO2024021442A1 (en) * | 2022-07-23 | 2024-02-01 | 浙江天铁实业股份有限公司 | Elevated double-track railway noise reduction system |
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