CN102166843A - Light sound insulation floor member for high-speed maglev train - Google Patents
Light sound insulation floor member for high-speed maglev train Download PDFInfo
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- CN102166843A CN102166843A CN2010106090817A CN201010609081A CN102166843A CN 102166843 A CN102166843 A CN 102166843A CN 2010106090817 A CN2010106090817 A CN 2010106090817A CN 201010609081 A CN201010609081 A CN 201010609081A CN 102166843 A CN102166843 A CN 102166843A
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Abstract
The invention discloses a light sound insulation floor member for a high-speed maglev train, which is arranged on a first floor layer. The sound insulation floor member comprises a second floor layer and a sound-absorbing material layer arranged between the second floor layer and the first floor layer, wherein the sound-absorbing material layer comprises a thermal insulation material layer tightly connected with the first floor layer and a sound insulation foam layer arranged above the thermal insulation material layer, and the top of the sound-absorbing material layer is connected with the second floor layer. The light sound insulation floor member for the high-speed maglev train, provided by the invention, has the advantages of better denoising effect, light weight, heat insulation, fire and water prevention and vibration elimination, and is especially suitable for the high-speed maglev train.
Description
Technical field
The present invention relates to maglev vehicle, particularly at the high-speed maglev train light sound-insulation flooring element in " floor module of floating " structure of high-speed magnetic floating vehicle.
Background technology
Can the internal car noise of high-speed magnetic floating vehicle be the important indicator of riding comfortableness, even be related to the high-speed magnetic floating vehicle and normally operate.For the high-speed magnetic floating vehicle, because the following body construction in floor is more than both sides and roof complexity, gap apart from track girder is again little, when running at high speed, the car back noise of high-speed magnetic floating vehicle is far above the noise of both sides and roof, so the car back noise noise that enters the compartment by the floor transmission also is the main part in the car.In order to reduce internal car noise, vibration and radiation sound especially in order to reduce the floor, researcher and engineer have proposed technology such as damping floor, composite floor board, the damping by increasing flooring material respectively, improve measure such as ground panel stiffness and reduce floor vibration.In recent years, have again researcher and engineer proposed to float ground plate technique, promptly on original floor compartment, one deck floor is installed again, forms double floor, the oise insulation factor of double floor is usually above the individual layer floor, can reduce the vibration radiation sound of floor in the compartment, thereby reach the purpose that reduces internal car noise, existing both at home and abroad many moneys bullet train has adopted the double floor design, has obtained certain noise reduction.
High-speed maglev train light sound-insulation flooring element is crucial sound insulation, insulation, fire prevention, protection against the tide, waterproof and stressed parts in the floor of floating, and it had both born the gravity from seat and passenger personnel, also played the effect of secluding air sound transmission and overhead speaker.Therefore not only need stronger sound insulation property, also need certain insulation, fire prevention, protection against the tide and waterproof effect, and weight wants light.So high-speed maglev train light sound-insulation flooring element needs ad hoc structure design to reach this requirement.
Summary of the invention
The purpose of this invention is to provide a kind of high-speed maglev train light sound-insulation flooring element, the floor of floating by this member forms not only has very strong sound insulation property, and insulation, fire prevention and good waterproof effect, and in light weight.
In order to achieve the above object, the invention provides a kind of high-speed maglev train light sound-insulation flooring element, this flooring element is mounted on first floor layer, its comprise second floor layer and be arranged on second floor layer and first floor layer between sound-absorbing material layer.
Above-mentioned high-speed maglev train light sound-insulation flooring element, wherein, described sound-absorbing material layer comprises:
Be close to the insulation material layer of setting with first floor layer, and
Be arranged on the sound insulation froth bed of insulation material layer top, and the setting that links to each other with second floor layer of its top.
Above-mentioned high-speed maglev train light sound-insulation flooring element, wherein, described sound insulation froth bed comprises:
First froth bed, its lower surface are the plane, and with the bonding setting of insulation material layer, its upper surface is provided with some shrinkage pools;
Second froth bed, its upper surface are the plane, are provided with the second floor layer adhesion, and its lower surface is provided with some shrinkage pools,
Wherein, the upper surface of first froth bed closely is connected with the lower surface of second froth bed, makes sound insulation froth bed inside have the structure of hollow, has improved the effect of the noise reduction and the vibration damping on floor greatly.
Above-mentioned high-speed maglev train light sound-insulation flooring element, wherein, the equal undulate of lower surface of the upper surface of described first froth bed and second froth bed forms cavity in the inside of sound insulation froth bed.Because the waveform surface is compared with the plane, its surface area increases, and makes the incident acoustic wave absorbed energy increase, thereby further improves the oise insulation factor of combining structure.
Above-mentioned high-speed maglev train light sound-insulation flooring element, wherein, the lower surface opposing parallel of the upper surface of described first froth bed and second froth bed is provided with, be that crest is to crest, trough is to the trough setting, with the formation big cavity of trying one's best, improves noise reduction and effectiveness in vibration suppression.
High-speed maglev train light sound-insulation flooring element of the present invention is an entire combination structure, and this structure is the important component part of a kind of high-speed maglev train " floor of floating " structure.High-speed maglev train light sound-insulation flooring element upper end connects seat, the middle part is sound insulation, insulation and waterproof combining structure, and form cavity in inside, improved the effect of noise reduction and vibration damping greatly, the bonding aluminium composite floor structure (original structure floor, first floor layer promptly of the present invention) in lower end is installed on the equipment interlayer.High-speed maglev train light sound-insulation flooring element of the present invention also has light-weighted characteristics satisfying under oise insulation factor, waterproof and the fireproof requirement.
The advantage of patent of the present invention is: processing technology is simple; Noise reduction is obvious; Satisfy the requirement of original magnetic-levitation train floor interface; General structure is simple, in light weight, good heat insulating, defening effect are good, is particularly useful for the noise reduction weakening demand of high-speed maglev train.
Description of drawings
Fig. 1 is the structural representation of a kind of high-speed maglev train light sound-insulation flooring element of the present invention.
Fig. 2 is the ground board mounting structure figure of a kind of high-speed maglev train light sound-insulation flooring element of the present invention.
Fig. 3 is the sound reduction index and the mean transmission loss column diagram relatively of various combination structure.
The specific embodiment
Below in conjunction with drawings and Examples technical scheme of the present invention is described further.
As shown in Figure 1, it is the original structure floor that high-speed maglev train light sound-insulation flooring element of the present invention is mounted on the first floor layer 10() on, it comprises the new floor of the second floor layer 30() and be arranged on second floor layer 30 and first floor sound-absorbing material layer between 10 20 layer by layer.Second floor layer 30 of this flooring element connects seat, and the sound-absorbing material layer 20 at middle part is sound insulation, insulation and waterproof combining structure, first floor layer that its lower end connects, and promptly the original structure floor is installed on the equipment interlayer.
As shown in Figure 2, described sound-absorbing material layer 20 comprises: be close to the insulation material layer 21 of setting with first floor layer 10, and, be arranged on the sound insulation froth bed of insulation material layer 21 tops, the setting that links to each other with second floor layer 30 of its top.Described sound insulation froth bed comprises: first froth bed 221, its lower surface are the plane, be connected setting with insulation material layer 21, and its upper surface are provided with some shrinkage pools; And second froth bed 222, its upper surface are the plane, the setting that links to each other with second floor layer 30, and its lower surface is provided with some shrinkage pools.Preferably, the equal undulate of lower surface of the upper surface of described first froth bed 221 and second froth bed 222; And the lower surface opposing parallel of the upper surface of this first froth bed 221 and second froth bed 222 is provided with, and promptly crest is to crest, and trough forms cavity to the trough setting in the inside of sound insulation froth bed.Through evidence, the lower surface of the upper surface of described first froth bed 221 and second froth bed 222 all is sinusoidal waveform, and crest is to crest, and trough can reach best noise reduction effectiveness in vibration suppression to the trough setting.
Described second floor layer 30 is a multilayer damping compoiste wood floor, itself has defening effect preferably; The sound insulation froth bed is the light high performance sound-absorbing material, and the shrinkage pool of the upper surface of first froth bed 221 wherein is relative with the shrinkage pool of the lower surface of second froth bed 222, forms cavity, has improved the performance of noise reduction and weakening greatly; Insulation material layer 21 is a high-performance insulation material, itself is exactly a kind of resistant to elevated temperatures fire proofing material, can effectively completely cut off the outside heat that transmits, and makes whole member have heat-proof quality preferably.Described high-performance insulation material is a nano material, and the space is very little, so play waterproof and moisture-proof role simultaneously again.
In one embodiment of the present of invention, the thickness of first floor layer is 60mm, and the thickness of sound-absorbing material layer is 80mm, and the thickness of second floor layer is 20mm.
The waveform sound-absorbing material of sound insulation froth bed can compress when the upper strata timber floor is installed and get final product during installation, wherein, the waveform face palpus of first froth bed and the waveform face of second froth bed, relatively and to be arranged in parallel (be that crest is to crest, trough is to trough), the cavity that is made of the waveform of first froth bed and second froth bed has effect preferably to sound insulation, characteristic according to noise source, by adjusting the peak value and the cycle of wave-like, change the size and the shape of cavity, thereby effectively isolate the noise source of different qualities; Insulation material layer is installed between first froth bed and first floor layer, sticks with glue on first floor layer.The described insulation material layer and first froth bed are bonding by viscose; Described second froth bed and second floor layer are bonding by viscose.
Be to determine the defening effect of this light sound-insulation member, carried out the sound insulation test of different schemes, each scheme test result as shown in Figure 3:
Wherein:
S1 represents the floor of floating be made up of multilayer damping compoiste wood floor, cavity and original structure floor;
S2 represents the floor of floating be made up of timber floor, cavity and original structure floor;
S3 represents the floor of floating be made up of multilayer damping compoiste wood floor, mineral wool and original structure floor;
S4 represents the floor of floating be made up of multilayer damping compoiste wood floor, sound insulation froth bed, mineral wool and original structure floor;
S5 represents by multilayer damping compoiste wood floor, cavity, thick micropunch film and original structure floor;
S6 represents the floor of floating be made up of multilayer damping compoiste wood floor, first froth bed, second froth bed (first froth bed is relative and parallel with the second froth bed wave during installation), insulation material and original structure floor;
S7 represents the floor of floating be made up of multilayer damping compoiste wood floor, insulation material, cavity, thick micropunch film and original structure floor;
S8 represents the floor of floating be made up of multilayer damping compoiste wood floor, insulation material, cavity and original structure floor;
Wherein, the thick micropunch film (about 1mm) that S5 and S7 mention is installed in the middle part of cavity between multilayer damping compoiste wood floor and the original structure floor, adds to support by the part and installs.
Scheme S6(is the technical scheme that this patent adopts as seen from Figure 3) defening effect the best.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be conspicuous.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (4)
1. high-speed maglev train light sound-insulation flooring element, it is characterized in that, this flooring element is mounted on first floor layer (10), its comprise second floor layer (30) and be arranged on second floor layer (30) and first floor layer (10) between sound-absorbing material layer (20); This sound-absorbing material layer (20) comprises:
Be close to the insulation material layer (21) of setting with first floor layer (10), and
Be arranged on the sound insulation froth bed of insulation material layer (21) top, and its top and the bonding setting of second floor layer (30).
2. high-speed maglev train light sound-insulation flooring element as claimed in claim 1 is characterized in that, described sound insulation froth bed comprises:
First froth bed (221), its lower surface are the plane, and with the bonding setting of insulation material layer (21), its upper surface is provided with some shrinkage pools;
Second froth bed (222), its upper surface are the plane, and with second floor layer (30) adhesion setting, its lower surface is provided with some shrinkage pools,
Wherein, the upper surface of first froth bed (221) closely is connected with the lower surface of second froth bed (222), makes sound insulation froth bed inside have the structure of hollow.
3. high-speed maglev train light sound-insulation flooring element as claimed in claim 2 is characterized in that, the equal undulate of lower surface of the upper surface of described first froth bed (221) and second froth bed (222) forms cavity in the inside of sound insulation froth bed.
4. high-speed maglev train light sound-insulation flooring element as claimed in claim 3 is characterized in that, the lower surface opposing parallel of the upper surface of described first froth bed (221) and second froth bed (222) is provided with, and promptly crest is to crest, and trough is to the trough setting.
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CN2010106090817A CN102166843A (en) | 2010-12-28 | 2010-12-28 | Light sound insulation floor member for high-speed maglev train |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102756738A (en) * | 2012-08-09 | 2012-10-31 | 南车株洲电力机车有限公司 | Rail train wall structure |
CN103106899A (en) * | 2011-11-11 | 2013-05-15 | 中国科学院声学研究所 | Multi-functional layered composite materials for high-speed train |
CN105023566A (en) * | 2014-04-28 | 2015-11-04 | 四川正升声学科技有限公司 | Composite sound absorbing and insulating board and manufacture method for the same |
CN107600087A (en) * | 2017-08-30 | 2018-01-19 | 中车青岛四方机车车辆股份有限公司 | The floor panel assembly of secondary floor panel assembly and rail vehicle |
CN109779141A (en) * | 2019-01-29 | 2019-05-21 | 成都汇多丽声学装饰材料有限公司 | The production method of plate and plate |
CN111619599A (en) * | 2020-06-23 | 2020-09-04 | 株洲时代新材料科技股份有限公司 | Sound insulation method for railway vehicle cab floor, floor structure and installation method thereof |
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CN2887694Y (en) * | 2005-12-01 | 2007-04-11 | 成都飞机工业(集团)有限责任公司 | Levitation vehicle carriage composite floor |
CN101050667A (en) * | 2006-04-06 | 2007-10-10 | 戴长虹 | Composite heat insulation floor |
CN201224977Y (en) * | 2008-07-11 | 2009-04-22 | 中设建工集团有限公司 | Sound-proof heat-insulation floor |
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US3525417A (en) * | 1966-11-28 | 1970-08-25 | Isolants Francais Sa | Composite sound insulating boards |
FR2547783A1 (en) * | 1983-06-23 | 1984-12-28 | Dietrich & Cie De | Method for producing a prefabricated floor panel for vehicles, particularly for railway vehicles for transporting passengers, and panel thus obtained |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103106899A (en) * | 2011-11-11 | 2013-05-15 | 中国科学院声学研究所 | Multi-functional layered composite materials for high-speed train |
CN102756738A (en) * | 2012-08-09 | 2012-10-31 | 南车株洲电力机车有限公司 | Rail train wall structure |
CN105023566A (en) * | 2014-04-28 | 2015-11-04 | 四川正升声学科技有限公司 | Composite sound absorbing and insulating board and manufacture method for the same |
CN107600087A (en) * | 2017-08-30 | 2018-01-19 | 中车青岛四方机车车辆股份有限公司 | The floor panel assembly of secondary floor panel assembly and rail vehicle |
CN109779141A (en) * | 2019-01-29 | 2019-05-21 | 成都汇多丽声学装饰材料有限公司 | The production method of plate and plate |
WO2020155317A1 (en) * | 2019-01-29 | 2020-08-06 | 成都汇多丽声学装饰材料有限公司 | Board and manufacturing method for board |
CN111619599A (en) * | 2020-06-23 | 2020-09-04 | 株洲时代新材料科技股份有限公司 | Sound insulation method for railway vehicle cab floor, floor structure and installation method thereof |
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Application publication date: 20110831 |