CN106274936A - The built-in Sound insulation floorings of rail vehicle - Google Patents
The built-in Sound insulation floorings of rail vehicle Download PDFInfo
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- CN106274936A CN106274936A CN201510261748.1A CN201510261748A CN106274936A CN 106274936 A CN106274936 A CN 106274936A CN 201510261748 A CN201510261748 A CN 201510261748A CN 106274936 A CN106274936 A CN 106274936A
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Abstract
The present invention relates to a kind of baffle, specifically a kind of built-in Sound insulation floorings of rail vehicle, belong to composite board technical field.Described Sound insulation floorings is made up of top layer aluminium sheet, aluminum honeycomb texture core, bottom aluminium sheet, and aluminum honeycomb texture core is adhesively fixed between top layer aluminium sheet and bottom aluminium sheet through adhesive.Described aluminum honeycomb texture core is to use the bonding of laminated aluminium foil material to laminate, and then stretching launches the orthohexagonal honeycomb shape of formation rule and formed.The described aluminum honeycomb texture core being adhesively fixed between top layer aluminium sheet and bottom aluminium sheet forms the honeycomb chamber of some closings, and the atmospheric density of honeycomb intracavity is less than extraneous atmospheric density.Present configuration rationally simple, manufacture easy, lightweight, soundproof effect is good.
Description
Technical field
The present invention relates to a kind of baffle, specifically a kind of built-in Sound insulation floorings of rail vehicle, belong to composite board technical field.
Background technology
Along with the sustainable development of Chinese national economy, the railway construction of China and urban track traffic enter a unprecedented developmental stage.Passenger train is progressively raised speed 270 kilometers/hour, more than 300 kilometers/hours by 200 kilometers/hour, and domestic large quantities of high-speed railways are built.China's Eleventh Five-Year Plan clearly proposes: " accelerate development railway transportation.Focus the consruction on Line for Passenger Transportation, inter-city rail transit, coal transport facility, preliminarily form personal rapid transit and Coal Transport network.Extension west area road network, strengthening middle part road network, improves eastern region road network.In November, 2008, in order to further speed up the paces of railway construction in China and play railway transportation effect in national economy, the former Ministry of Railways has issued " mid-long term railway network plan (within 2008, adjusting) ".
According to planning, China to set up Line for Passenger Transportation and the economically developed and densely populated areas intercity railways systems such as the Planning of Express Passenger Corridor between provincial capital and big and medium-sized cities, planning " four indulge four horizontal strokes " before the year two thousand twenty.Build Line for Passenger Transportation more than 1.6 ten thousand kilometers.
Along with bullet train and the development of urban track traffic cause, rail vehicle inner decoration material is proposed new requirement, it is desirable to built-in new material lightweight, intensity height, sound-insulating and heat-insulating, fire safety, environmentally friendly, stable performance, do not destroy ecological environment etc..
Before application aluminum honeycomb Sound insulation floorings, domestic rail vehicle manufacturing enterprise generally selects floorboards of wood, pottery sand composite floor board and fiberglass floor.There are many defects on the floor that these materials are made: floorboards of wood is the timber that have employed in a large number and destroy ecological resources, and intensity is the highest, do not prevent fires, non-moistureproof, affected greatly by ambient temperature and humidity, dry or moist time yielding；Pottery sand composite floor board is made up of pottery sand mixing solidification, and density is big, material can not recycling；Fiberglass floor is made up of compound glass fibre resin stacking solidification, has injury to human body containing toxic gas in the course of processing in resin, and density is big, material can not recycling.
The floor that the most current domestic ordinary train is used all does not has the lifting adapted with train speed raising without human relations at aspects such as structure design, raw material selection, manufacturing process, it is impossible to meet the soundproof effect required by track train, intercity light rail.
What our company selected is the high-performance metal materials field first developed of country, uses aluminum honeycomb texture metal new material to make the built-in Sound insulation floorings of rail vehicle, and its sound transmission loss can reach more than 35.0dB.The technology of the present invention overcomes drawbacks described above, and obtains actual application, and user's using effect is fine, becomes domestic rail vehicle manufacturing enterprise first-selection product.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of built-in Sound insulation floorings of rail vehicle lightweight, that soundproof effect is good.
The technical scheme is that, a kind of built-in Sound insulation floorings of rail vehicle, it is characterized in that: described Sound insulation floorings is made up of top layer aluminium sheet, aluminum honeycomb texture core, bottom aluminium sheet, and aluminum honeycomb texture core is adhesively fixed between top layer aluminium sheet and bottom aluminium sheet through adhesive.
Described aluminum honeycomb texture core is to use the bonding of laminated aluminium foil material to laminate, and then stretching launches the orthohexagonal honeycomb shape of formation rule and formed.
The described aluminum honeycomb texture core being adhesively fixed between top layer aluminium sheet and bottom aluminium sheet forms the honeycomb chamber of some closings, and the atmospheric density of honeycomb intracavity is less than extraneous atmospheric density.
Present configuration rationally simple, manufacture easily, the present invention is made up of top layer aluminium sheet, aluminum honeycomb texture core, bottom aluminium sheet, and aluminum honeycomb texture core sticks with glue agent and top layer aluminium sheet、Bottom aluminium sheet is adhesively fixed by the way of hot pressing composite curing.And, in the present invention, aluminum honeycomb texture core is to use the bonding of laminated aluminium foil material to laminate, and then stretching launches the orthohexagonal honeycomb shape of formation rule and formed.In manufacturing process, the equipment of Introduced From Abroad advanced person and manufacturing technology.
The invention have the advantage that
(1) use aluminum honeycomb texture as the core of rail vehicle Sound insulation floorings so that the requirement that the built-in Sound insulation floorings of rail vehicle reaches train lightweight, intensity is high.
(2) present invention uses airtight rarefied air principle can improve the heat-proof quality of the built-in Sound insulation floorings of rail vehicle.
Top layer aluminium sheet, aluminum honeycomb texture core, the gluing compound general of bottom aluminium sheet use normal temperature cure and High Temperature High Pressure two kinds of adhesive solidification modes of solidification, regardless of whether use which kind of curing mode, gluing Compound cooling is to after room temperature, and in aluminum honeycomb texture core, airtight air is equal with the pressure of outside air.
(3) rail vehicle built-in Sound insulation floorings inner surface automatically forms the damping layer of certain thickness and local crowning in recombination process.
Sound insulation floorings is that lightweight, rigidity is big, the plate construction of hollow, vibration and sound is easily produced when being disturbed by extraneous vibration, it is also possible to cause resonance, for reducing vibration and the sound on floor, avoid the generation of resonance, the built-in Sound insulation floorings of the rail vehicle after improvement is utilized by the present invention, aluminum honeycomb texture core is adhesively fixed between top layer aluminium sheet and bottom aluminium sheet through adhesive, the damping layer of certain thickness local crowning can be produced after solidification at floor inner surface, effectively solve the problem that floor produces vibration and sound.
Accompanying drawing explanation
Fig. 1 is the structure chart of the present invention；
In figure: 1 top layer aluminium sheet, 2 bottom aluminium sheets, 3 aluminum honeycomb texture cores, 4 adhesive.
Detailed description of the invention
Illustrate that the invention will be further described with accompanying drawing below in conjunction with the accompanying drawings.
A kind of built-in Sound insulation floorings of rail vehicle, described Sound insulation floorings is made up of top layer aluminium sheet 1, aluminum honeycomb texture core 3, bottom aluminium sheet 2, and aluminum honeycomb texture core 3 is adhesively fixed between top layer aluminium sheet 1 and bottom aluminium sheet 2 through adhesive 4.Wherein, aluminum honeycomb texture core 3 is to use the bonding of laminated aluminium foil material to laminate, and then stretching launches the orthohexagonal honeycomb shape of formation rule and formed.The two sides of aluminum honeycomb texture core 3 uses adhesive hot pressing composite curing to be connected with top layer aluminium sheet 1 and bottom aluminium sheet 2 respectively.The aluminum honeycomb texture core 3 being adhesively fixed between top layer aluminium sheet 1 and bottom aluminium sheet 2 forms the honeycomb chamber of some closings, and the atmospheric density of honeycomb intracavity is less than extraneous atmospheric density.
In manufacturing process, when the Sound insulation floorings High Temperature High Pressure of the present invention solidifies, use and first heat compound manufacturing process of pressurizeing afterwards, the air themperature at Sound insulation floorings aluminum honeycomb texture core is made to form hot air layer higher than ambient air temperature before pressurization is compound, after pressurization, aluminum honeycomb texture core 3 and top layer aluminium sheet 1, bottom aluminium sheet 2
Combine closely, the cavity sealed is formed in the honeycomb core bore of aluminum honeycomb texture core 3, now the density of the hot-air of intracavity is less than ambient air density, when being cooled to room temperature after having solidified through High Temperature High Pressure, the air pressure of intracavity forms vacuum effect less than external air pressure, and meanwhile, the air of intracavity is sloppy condition, decayed the air transmission effect to sound and heat, improves the sound isolating and heat insulating performance of Sound insulation floorings of the present invention.
Claims (3)
1. the built-in Sound insulation floorings of rail vehicle, it is characterized in that: described Sound insulation floorings is made up of top layer aluminium sheet (1), aluminum honeycomb texture core (3), bottom aluminium sheet (2), and aluminum honeycomb texture core (3) is adhesively fixed between top layer aluminium sheet (1) and bottom aluminium sheet (2) through adhesive (4).
The built-in Sound insulation floorings of rail vehicle the most according to claim 1, is characterized in that: described aluminum honeycomb texture core (3) is to use the bonding of laminated aluminium foil material to laminate, and then stretching launches the orthohexagonal honeycomb shape of formation rule and formed.
The built-in Sound insulation floorings of rail vehicle the most according to claim 1, it is characterized in that: described in aluminum honeycomb texture core (3) that is adhesively fixed between top layer aluminium sheet (1) and bottom aluminium sheet (2) form the honeycomb chamber of some closings, the atmospheric density of honeycomb intracavity is less than extraneous atmospheric density.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510261748.1A CN106274936A (en) | 2015-05-21 | 2015-05-21 | The built-in Sound insulation floorings of rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510261748.1A CN106274936A (en) | 2015-05-21 | 2015-05-21 | The built-in Sound insulation floorings of rail vehicle |
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| Publication Number | Publication Date |
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| CN106274936A true CN106274936A (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510261748.1A Pending CN106274936A (en) | 2015-05-21 | 2015-05-21 | The built-in Sound insulation floorings of rail vehicle |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019011A (en) * | 2017-06-28 | 2018-05-11 | 赵卓伟 | A kind of wood skin decorative lamination decoration board and its processing method |
| CN108729605A (en) * | 2018-07-04 | 2018-11-02 | 河北松硕科技有限公司 | A kind of composite board |
| CN109849458A (en) * | 2019-01-29 | 2019-06-07 | 广州市利度汽车科技有限公司 | Car sound insulation damping lightweight external member |
| CN111021655A (en) * | 2018-10-09 | 2020-04-17 | 佛山市三晟铝家具有限公司 | Aluminum honeycomb filled light material plate and manufacturing process thereof |
| CN111022456A (en) * | 2019-12-31 | 2020-04-17 | 江苏必得科技股份有限公司 | Vacuumizing type heating bonding device and using method thereof |
| CN111674413A (en) * | 2020-06-17 | 2020-09-18 | 江苏华复轨道交通科技有限公司 | Double-deck train upper floor structure |
| CN115107329A (en) * | 2022-07-15 | 2022-09-27 | 山东明珠材料科技有限公司 | Preparation method of aluminum honeycomb panel |
-
2015
- 2015-05-21 CN CN201510261748.1A patent/CN106274936A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019011A (en) * | 2017-06-28 | 2018-05-11 | 赵卓伟 | A kind of wood skin decorative lamination decoration board and its processing method |
| CN108729605A (en) * | 2018-07-04 | 2018-11-02 | 河北松硕科技有限公司 | A kind of composite board |
| CN111021655A (en) * | 2018-10-09 | 2020-04-17 | 佛山市三晟铝家具有限公司 | Aluminum honeycomb filled light material plate and manufacturing process thereof |
| CN109849458A (en) * | 2019-01-29 | 2019-06-07 | 广州市利度汽车科技有限公司 | Car sound insulation damping lightweight external member |
| CN111022456A (en) * | 2019-12-31 | 2020-04-17 | 江苏必得科技股份有限公司 | Vacuumizing type heating bonding device and using method thereof |
| CN111022456B (en) * | 2019-12-31 | 2024-03-08 | 江苏必得科技股份有限公司 | Vacuumizing type heating bonding device and using method thereof |
| CN111674413A (en) * | 2020-06-17 | 2020-09-18 | 江苏华复轨道交通科技有限公司 | Double-deck train upper floor structure |
| CN115107329A (en) * | 2022-07-15 | 2022-09-27 | 山东明珠材料科技有限公司 | Preparation method of aluminum honeycomb panel |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170104 |
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| WD01 | Invention patent application deemed withdrawn after publication |