CN104554309B - Middle roof air supply structure of railway vehicle and railway vehicle - Google Patents
Middle roof air supply structure of railway vehicle and railway vehicle Download PDFInfo
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- CN104554309B CN104554309B CN201410820715.1A CN201410820715A CN104554309B CN 104554309 B CN104554309 B CN 104554309B CN 201410820715 A CN201410820715 A CN 201410820715A CN 104554309 B CN104554309 B CN 104554309B
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- air
- top board
- supply
- middle top
- light bar
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/12—Roofs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/009—Means for ventilating only
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- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention relates to a middle roof air supply structure of a railway vehicle and the railway vehicle. The middle roof air supply structure comprises a middle roof plate, wherein a relatively closed space is defined by the space on the upper side of the middle roof plate to serve as an air supply duct of an air conditioning unit; the air supply duct is communicated with an air supply hole of the air conditioning unit; the side part of the closed space and/or the middle roof plate are/is provided with an vehicle interior air supply hole for supplying air into a passenger compartment. The problem that the air supply duct cannot be arranged in the top of the passenger compartment is solved by rationally utilizing the space naturally formed in the upper side of the middle roof plate, meanwhile an independent air duct structure can be omitted, and air supply is performed by using a cavity between the middle roof plate and the vehicle body, so the weight is reduced, the cost is reduced, the height between the roof plate and the vehicle body can be reduced, further the height of the entire vehicle is reduced, and the requirement on vehicle clearance is met.
Description
Technical field
The present invention relates to a kind of rail vehicle, push up air-supply structure particularly in a kind of rail vehicle, relate to a kind of rail vehicle installing this air-supply structure simultaneously, belong to rail vehicle manufacturing technology field.
Background technology
In rail vehicle, often joint guest room generally be equipped with one to two air conditioning unit, every air conditioning unit employing cellular structure, air conditioning unit complete machine is arranged in vehicle bottom or roof.Air conditioning unit it is connected with the air outlet in car and return air inlet by supply air duct and return airway, air after air conditioning unit process is in air outlet sends into guest room, temperature and humidity in regulation guest room, air in guest room enters air conditioning unit through return air inlet, carry out heat exchange with vaporizer again after mixing with new wind, complete kind of refrigeration cycle.
Rail vehicle of the prior art, the supply air duct that generally installed above at middle top board and air conditioning unit air outlet is connected, supply air duct is fixed on steel structure of car roof by structures such as mounting rails, as disclosed in the Chinese patent " rail vehicle top modular structure " of Patent No. 201220605948 or the Chinese patent " the roof top slab connecting structure inside of a kind of passenger train " of Patent No. 200910222360.5.
But some rail vehicle is limited by vehicle gauge, on the premise of ensureing internal height space, guest room, more than middle top plate for passenger room arrange air-conditioning air channel without sufficient space.And supply air duct of the prior art not only adds the whole height of vehicle, it is impossible to meet the gauge requirement of height of car, and occupy bigger roof space.Meanwhile, the middle roof construction also making vehicle is complicated, adds cost, the most indirectly adds tare, it is impossible to meets the requirement of body lightening.
Summary of the invention
Present invention is primarily aimed at solution the problems referred to above and deficiency, it is provided that a kind of simple in construction, by place above Appropriate application roof, and then reduce bodywork height, meet vehicle gauge requirement rail vehicle in push up air-supply structure and rail vehicle.
For achieving the above object, the technical scheme is that
A kind of rail vehicle pushes up air-supply structure, including middle top board, space above described middle top board is surrounded the space of relative closure as air conditioning unit supply air duct, connect with air conditioning unit air outlet, sidepiece in the space of described closing and/or described middle top board are provided with for the car inner wind outlet of air-supply in guest room.
Further, light bar is fixedly mounted in the both sides of described middle top board, described light bar installation fixed above hanging beam, described middle top board, light bar and hanging beam overall U-shaped structure are hung on steel structure of car roof, described middle top board, light bar, hanging beam and steel structure of car roof the space surrounded is as described air conditioning unit supply air duct.
Further, it is fixed with Lateral supply plate in the outside of described hanging beam, described Lateral supply plate is offered the car inner wind outlet for blowing to guest room.
Further, the lampshade of described light bar is arc-shaped transition shape at an acute angle, and described middle top board, the lampshade of both sides light bar and Lateral supply plate form the continuous cambered surface of the overall U-shaped of acute angle arc transition.
Further, each in the both sides of described middle top board fixing an elongated middle top longeron, described light bar, hanging beam, middle top board connect by middle top longeron is fixing.
Further, described middle top longeron is elongated integrated section structure, has base, side and top margin, and its base and described middle top board are pasted fixing, pastes fixing or be bolted or be welded and fixed between its top margin and described hanging beam.
Further, the side of described middle top longeron having the C-shaped chute to light bar direction opening, described C-shaped chute is connected by bolt is fixing with the lamp bracket of described light bar.
Another technical scheme of the present invention is:
A kind of rail vehicle, including pushing up air-supply structure in rail vehicle as above.
Further, being separately installed with side top board in the both sides of middle top air-supply structure, the top of side top board and bottom are separately fixed on steel structure of car roof and framed side wallboard, leave for the air-supply space of air-supply in guest room between side top board and middle top air-supply structure.
Further, the described side top board of every side uses Split type structure, formed by upper and lower two pieces, the top margin of upside top board is fixed on steel structure of car roof, the base of top board, upside and the top margin of downside top board are each attached on the mounting rail of top, side, the base of downside top board is fixed on framed side wallboard, and top, described side mounting rail is fixed on steel structure of car roof.
To sum up content, pushes up air-supply structure and rail vehicle, compared with prior art, has the advantage that in a kind of rail vehicle that the present invention provides
(1) space of self-assembling formation above top board in Appropriate application of the present invention, solve top, guest room and cannot arrange supply air duct problem, single air channel structure can be saved simultaneously, in utilization, the cavity between top board and car body is blown, alleviate weight and provide cost savings, and the height between top board and car body can be reduced, and then reduce the height of car load, meet the requirement of vehicle gauge.
(2) utilize top board space above in vehicle passenger cab, as the supply air duct of air conditioner ventilating system, air conditioning unit air-supply is transported in guest room along car body longitudinal length, without air-supply dead angle, solve the problem that in guest room, longitudinally air-supply is uneven.
(3) blowing in guest room the lateral of middle top board, air current composition is reasonable, the sense of discomfort that air-supply blow-through human body can be avoided to cause, and improves the air-conditioning effect difference problem of light section vehicle in summer, improves comfortableness in car.
(4) middle top board, light bar and air channel inner chamber are integrated formation modular construction by the present invention, and the degree of modularity is high, can realize assembling under car, then integration is installed onboard, improves construction technology, increases substantially packaging efficiency, reduces production cost.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention one structural representation；
Fig. 2 is the partial enlarged drawing I of Fig. 1；
Fig. 3 is the partial enlarged drawing II of Fig. 1；
Fig. 4 is that the present invention blows box structural representation.
As shown in Figures 1 to 4, steel structure of car roof 1, middle top board 2, side top board 3, upside top board 3a, downside top board 3b, light bar 4, hanging beam 5, hanging beam top margin 5a, hanging beam base 5b, hanging beam side 5c, supply air duct 6, middle top longeron 7, base 7a, side 7b, top margin 7c, C-shaped chute 8, lamp bracket 9, bolt 10, C-channel 11, Lateral supply plate 12, car inner wind outlet 13, bolt 14, sealing joint strip 15, seal gasket 16, lampshade 17, air-supply box 18, air outlet 19, light source 20, hinge 21, bolt 22, framed side wallboard 23, top, side mounting rail 24, installed part 25, draw-in groove 26, sealing strip 27, bolt 28, bolt 29, bolt 30.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings:
Embodiment one:
As it is shown in figure 1, the invention provides a kind of rail vehicle, including car body, top air conditioner group, useless arranging device etc., top air conditioner group is fixedly installed on the steel structure of car roof 1 of car body top.In the inner side of car body, inner trim panels is installed, to beautify the environment by bus in guest room, inner trim panels includes the middle top board 2 in the middle of framed side wallboard 23, roof, side top board 3, end wall panel and the floor of roof both sides, and wherein side top board 3 is two pieces, is arranged on the both sides of middle top board 2.In the present embodiment, middle top board 2 is fixedly mounted on steel structure of car roof 1 as modular construction entirety.
As depicted in figs. 1 and 2, the middle ceiling module structure that the present invention provides includes the middle top board 2 in the middle of roof, light bar 4 is fixedly mounted in the both sides of middle top board 2, the top of both sides light bar 4 is installed with hanging beam 5 respectively, and the hanging beam 5 overall U-shaped structure of middle top board 2, the light bar 4 of both sides and both sides is hung on steel structure of car roof 1.Non-detachable mold massing degree is high, can realize assembling under car, then integration is installed onboard, improves construction technology, increases substantially packaging efficiency, reduces production cost.
In the present embodiment, the top of middle top board 2 no longer arranges supply air duct, but using the space of the relative closure with certain altitude that surrounded by the hanging beam 5 of steel structure of car roof 1, middle top board 2, the light bar 4 of both sides and both sides as air conditioning unit supply air duct 6, other equipment needed thereby can also be installed within this space, unaffected.This is rational in infrastructure make use of the space of self-assembling formation above middle top board 2, not only solve the problem that supply air duct cannot be arranged in top, guest room, also eliminate the air channel structure being separately provided in prior art, alleviate vehicle weight and save manufacture and material cost, and reduce the height between middle top board 2 and steel structure of car roof 1, and and then reduce the height of car load, meet the particular/special requirement of vehicle gauge., using the overall space above middle top board 2 as supply air duct 6, air conditioning unit air-supply is transported in guest room along car body longitudinal length meanwhile, without air-supply dead angle, solves the problem that in guest room, longitudinally air-supply is uneven.
Steel structure of car roof 1 has the opening corresponding with air conditioning unit air outlet (not shown), air outlet realizes being tightly connected by sealing joint strip with opening part, cold air after air conditioning unit process, is entered in the supply air duct 6 between steel structure of car roof 1 and middle top board 2 by the air outlet on air conditioning unit and the opening on steel structure of car roof 1.
Opening part at steel structure of car roof 1 fixedly mounts an air-supply box 18 again, and air-supply box 18 is in supply air duct 6, and air-supply box 6 uses fiberglass or aluminium alloy to make.As shown in Figure 4, air-supply box 18 is a box body structure, the open topped of air-supply box 18, at least one air outlet 19 is had on sidewall, the top margin of air-supply box 18 is fixed by screws on steel structure of car roof 1, and air conditioning unit air outlet is connected by air-supply box 18 with by the supply air duct 6 surrounded between middle top board 2 and steel structure of car roof 1.Air-supply box 18 plays the effect in static pressure chamber, change air conditioning unit air-flow direction simultaneously, the air conditioning unit air sent is buffered in air-supply box 18, and owing to the space above whole middle top board 2 is all equivalent to supply air duct 6, air-flow is buffered in supply air duct 6 further, makes air-supply air-flow more uniform.
On middle top board 2, return air inlet (not shown) in car is offered in the position of corresponding air conditioning unit return air inlet, steel structure of car roof 1 is offered the opening (not shown) equally corresponding with air conditioning unit return air inlet, in car, the back side of return air inlet connects a return airway, return airway is surrounded by dividing plate, and the space beyond dividing plate is all as supply air duct 6.Realizing being tightly connected by sealing joint strip between opening and air conditioning unit return air inlet on steel structure of car roof 1, in car, return air inlet realizes being tightly connected also by sealing joint strip with the junction of return airway.Air in car enters return airway by return air inlet in the car on middle top board 2, then finally by the return air inlet on air conditioning unit enter air conditioning unit in mix with new wind, mixed air carries out heat exchange with vaporizer again.
As depicted in figs. 1 and 2, in the both sides of middle top board 1, each fixing pushes up longeron 7 in one, middle top longeron 7 is along the elongated setting in length over ends of body direction, the aluminium alloy section structure that middle top longeron 7 is integrated, there is base 7a, side 7b and top margin 7c, middle top board 2 is aluminum honeycomb panel, together with the side of the base 7a of middle top longeron 7 and middle top board 2 is pasted and fixed on by fluid sealant.The side that light bar 4 is arranged on the base 7a by middle top longeron 7, side 7b and top margin 7c fences up, light bar 4 includes that lamp bracket 9, lampshade 17 and light source 20, lampshade 17 are transparent material, and lamp bracket 9 is aluminium alloy extrusions, and light source 20 is LED.The side 7b of middle top longeron 7 has the C-shaped chute 8 to light bar 4 direction opening, C-shaped chute 8 is connected by bolt (not shown) is fixing with the lamp bracket 9 of light bar 4, arranging of C-shaped chute 8 facilitates the fixed and positioned of bolt, between lamp bracket 9 with middle top longeron 7 in addition to bolt is connected, it is also possible to be adhesively fixed at its top and bottom fluid sealant or seal gasket.
Hanging beam 5 is the frame section bar structure that the section to car body center position opening takes the shape of the letter U, including hanging beam top margin 5a, hanging beam base 5b and hanging beam side 5c, its hanging beam top margin 5a is fixed on steel structure of car roof 1 by bolt 10, steel structure of car roof 1 is provided with downwardly open C-channel 11, the head of bolt 10 is arranged in C-channel 11, and can slide with regulation installation fixing point in C-channel 11, make easier for installation fast, hanging beam base 5b pastes fixing with the top margin 7b of middle top longeron 7, or be bolted, it is also possible to directly it is welded and fixed together.Require to be tightly connected between the top margin 7b of hanging beam base 5b and middle top longeron 7, it is ensured that the sealing of supply air duct 6.
Owing to hanging beam 5 uses frame structure, the space above top, side outside space in supply air duct 6 and middle top board 2 is interconnected by the space of frame structure, in the present embodiment, in order to integrally-built attractive in appearance, also the most uniform in order to blow, being fixed with one block of Lateral supply plate 12 in the outside of hanging beam side 5c, Lateral supply plate 12 uses glass-reinforced plastic material to make and elongated along length over ends of body direction is arranged on Lateral supply plate 12 the car inner wind outlet 13 offered for blowing to guest room.
Lateral supply plate 12 is fixed on hanging beam side 5c by bolt 14, the top of Lateral supply plate 12 has the cambered surface of an inside lateral bend, the end of cambered surface part compresses a sealing joint strip 15, sealing joint strip 15 is pressed on steel structure of car roof 1 and C-channel 11, and then realize being tightly connected between Lateral supply plate 12 and steel structure of car roof 1, the bottom of Lateral supply plate 12 downwardly extends, cover lamp bracket 9 part, it is connected with lampshade 17, to ensure overall appearance, between bottom and the lamp bracket 9 of Lateral supply plate 12, seal gasket 16 is set, plays and seal and fixing effect.
Lampshade 17 part of light bar 4 is arc-shaped transition shape at an acute angle, and the Lateral supply plate 12 of middle top board 2, the lampshade 17 of both sides light bar 4 and both sides forms the continuous cambered surface of the overall U-shaped of acute angle arc transition, and overall appearance is generous, is greatly improved the effect that vehicle is built-in.
In the present embodiment, being respectively mounted side top board 3 in the both sides of middle top board 2, the side top board 3 of every side can be as the structure of one, and its top margin is directly connected by connector is fixing with steel structure of car roof 1, and its base is connected by connector is fixing with framed side wallboard 23.As shown in figures 1 and 3, in the present embodiment, the side top board 3 of every side uses Split type structure, formed by upper and lower two pieces, the decorative effect making whole roof is more attractive in appearance, and side top board 3 has a certain distance apart from lampshade 17, the lampshade 17 of arc can be emerging in guest room completely, reaches illumination and effect attractive in appearance.
Steel structure of car roof 1 fixedly mounts an elongated installed part 25, draw-in groove 26 is formed between installed part 25 and steel structure of car roof 1, the top margin of upside top board 3a has a bending edges, sealing strip 27 is installed in draw-in groove 26, in the bending edges of upside top board 3a is stuck in draw-in groove 26 and compress sealing strip 27 and realize being tightly connected.On steel structure of car roof, 1 also fixed installation one is along top, the side mounting rail 24 of the elongated setting in length over ends of body direction, top, side mounting rail 24 is the U-shaped structure with long minor face, the long limit of top mounting rail 24 is connected by bolt 28 and bolt 29 are fixing with the C-channel 11 on steel structure of car roof 1, convenient installation positions, the base of upside top board 3a extends to horizontal direction and pass through bolt 28 and side pushes up the long limit of mounting rail 24 and fixes and be connected, and the installation and removal of upside top board 3a are the most simple and convenient.
The top margin of downside top board 3b is rotationally connected with top, side mounting rail 24 by hinge 21, and the base of downside top board 3b is connected by bolt 22 is fixing with framed side wallboard 23.Hinge 21 while being fixedly connected on the mounting rail 24 of top, side by bolt 30, together with the another side of hinge 21 is pasted and fixed on downside top board 3b.Downside top board 3b can be with more convenient repair and maintenance by hinge 21, operator can be after turning on bolt 22, downside top board 3b can be downwardly turned over, observe and overhaul the equipment etc. above side top board 3, reduce the difficulty of the installing/dismounting of hinge 21 and downside top board 3b the most simultaneously.
In the present embodiment, side top board 3 is with middle roof construction after mounting, relatively wide space is left between the sidepiece of side top board 3 and middle roof construction, and side top board 3 is overall curved, the therefrom cold air of the blowout of the car inner wind outlet 13 on the Lateral supply plate 12 of roof construction, under the reflection and guiding of side top board 3 inside the feeding guest room, both sides on top, guest room, use from roof both sides Lateral supply mode, make visitor's Room air distribution design more reasonable, the sense of discomfort that air-supply blow-through human body causes can be avoided, improve the air-conditioning effect difference problem of light section vehicle in summer, improve comfortableness in car.
Backform blocking structure in this, first middle top board 2, light bar 4 and hanging beam 5 can be fitted together under car, again when existing car assembles, the top of hanging beam 5 is fixed in the C-channel 11 on steel structure of car roof 1 entirely through bolt 10 as one, and then by overall to middle top board 2, light bar 4 and hanging beam 5 hanging on steel structure of car roof 1, last adhesive seal rubber cushion 16 on lamp bracket 9, is fixedly mounted on Lateral supply plate 12 on hanging beam 5 by bolt 14, completes the installation of whole middle roof construction.Before middle roof construction is installed, first corresponding air conditioning unit air outlet and the position opening of return air inlet on steel structure of car roof 1, at the opening part corresponding with air outlet, air-supply box 18 is installed.In installation after roof construction, return air inlet in drive in the position of corresponding air conditioning unit return air inlet on middle top board 2.
Air after air conditioning unit process enters air-supply box 18 after air conditioning unit air outlet, air outlet 19 from air-supply box 18 is sent in supply air duct 6 again, the space on cold air car inner wind outlet 13 approaching side top from the Lateral supply plate 12 of both sides, under the reflection of side top board 3 inside the feeding guest room, both sides on top, guest room, simultaneously, air in car enters return airway by return air inlet in two cars on middle top board 2, finally enter again air conditioning unit in mix with new wind, mixed air and vaporizer carry out heat exchange, complete kind of refrigeration cycle.
Air conditioning unit air-supply is transported in guest room by the present embodiment along car body longitudinal length, without air-supply dead angle, solve the problem that in guest room, longitudinally air-supply is uneven, use from roof both sides Lateral supply mode simultaneously, make air current composition reasonable, the sense of discomfort that air-supply blow-through human body can be avoided to cause, improves the air-conditioning effect difference problem of light section vehicle in summer, improves comfortableness in car.
Embodiment two:
It is with embodiment one difference, can be according to the requirement of guest room, side top board 3 is the most additionally set in guest room, directly utilizing middle roof construction and realize air-supply, the function such as return air, illumination, after the air after air conditioning unit process enters in supply air duct 6, car inner wind outlet 13 from both sides Lateral supply plate 12 flows out, entering the space on vehicle side top, cold air is sent in guest room by free convection, the ambient temperature in regulation guest room and humidity.
Embodiment three:
Part unlike the embodiments above is, in addition to offering top, side air outlet 21 and 22 on side top board 3, car inner wind outlet (not shown) can also be offered according to actual needs on middle top board 2, car inner wind outlet on middle top board 2 can be made up of multiple roundlet through holes, it is also possible to for bar gap-like opening.
As it has been described above, combine the plan content given by accompanying drawing, similar technical scheme can be derived.In every case it is the content without departing from technical solution of the present invention, any simple modification, equivalent variations and modification above example made according to the technical spirit of the present invention, all still fall within the range of technical solution of the present invention.
Claims (7)
1. rail vehicle pushes up an air-supply structure, including middle top board, it is characterised in that: at the two of described middle top board
Side fixed installation light bar, described light bar installation fixed above hanging beam, described middle top board, light bar and hanging beam overall U-shaped
Structure is hung on steel structure of car roof, described middle top board, light bar, hanging beam the relative envelope surrounded with steel structure of car roof
The space closed, as air conditioning unit supply air duct, connects with air conditioning unit air outlet；
It is provided with in the car of air-supply in guest room on sidepiece in the space of described closing and/or described middle top board
Air outlet, is fixed with Lateral supply plate in the outside of described hanging beam, offers for sending to guest room on described Lateral supply plate
The described car inner wind outlet of wind；
The lampshade of described light bar is arc-shaped transition shape at an acute angle, described middle top board, the lampshade of both sides light bar and side
Air-supply plate forms the continuous cambered surface of the overall U-shaped of acute angle arc transition.
Rail vehicle the most according to claim 1 pushes up air-supply structure, it is characterised in that: at described middle top board
Both sides each fix an elongated middle top longeron, described light bar, hanging beam, middle top board connect by middle top longeron is fixing.
Rail vehicle the most according to claim 2 pushes up air-supply structure, it is characterised in that: described middle top longeron
For elongated integrated section structure, having base, side and top margin, its base and described middle top board are pasted fixing,
Paste fixing between its top margin and described hanging beam or be bolted or be welded and fixed.
Rail vehicle the most according to claim 3 pushes up air-supply structure, it is characterised in that: described middle top longeron
Side on there is the C-shaped chute to light bar direction opening, the described C-shaped chute lamp bracket by bolt and described light bar
Fixing connection.
5. a rail vehicle, it is characterised in that: include in the rail vehicle as described in any one of claim 1-4
Top air-supply structure.
Rail vehicle the most according to claim 5, it is characterised in that: in the both sides of middle top air-supply structure respectively
Being provided with side top board, the top of side top board and bottom are separately fixed on steel structure of car roof and framed side wallboard, side top board with
Leave between the air-supply structure of middle top for the air-supply space of air-supply in guest room.
Rail vehicle the most according to claim 6, it is characterised in that: the described side top board of every side uses split
Structure, is formed by upper and lower two pieces, and the top margin of upside top board is fixed on steel structure of car roof, the base of upside top board and
The top margin of downside top board is each attached on the mounting rail of top, side, and the base of downside top board is fixed on framed side wallboard, described side
Top mounting rail is fixed on steel structure of car roof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410820715.1A CN104554309B (en) | 2014-12-25 | 2014-12-25 | Middle roof air supply structure of railway vehicle and railway vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410820715.1A CN104554309B (en) | 2014-12-25 | 2014-12-25 | Middle roof air supply structure of railway vehicle and railway vehicle |
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| Publication Number | Publication Date |
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| CN104554309A CN104554309A (en) | 2015-04-29 |
| CN104554309B true CN104554309B (en) | 2017-01-11 |
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| CN106476829A (en) * | 2016-11-15 | 2017-03-08 | 中车长春轨道客车股份有限公司 | The middle roof construction in four air channel of new side air-out |
| CN107719012A (en) * | 2017-10-31 | 2018-02-23 | 中车资阳机车有限公司 | A kind of overhead rail vehicle running gear |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4350851B2 (en) * | 1999-11-11 | 2009-10-21 | 近畿日本鉄道株式会社 | Railcar ceiling structure and shapes used therefor |
| JP3503058B2 (en) * | 2000-07-27 | 2004-03-02 | 日本車輌製造株式会社 | Railcar ceiling structure |
| CN202608786U (en) * | 2012-05-17 | 2012-12-19 | 青岛四方庞巴迪铁路运输设备有限公司 | Railway vehicle air-conditioning air duct structure |
| CN203888811U (en) * | 2014-06-04 | 2014-10-22 | 南车株洲电力机车有限公司 | Static pressure flow diffusion structure of railway vehicle air supply air duct system |
| CN104210502B (en) * | 2014-09-23 | 2017-04-19 | 中车唐山机车车辆有限公司 | Railway passenger train body and railway vehicle |
| CN204415402U (en) * | 2014-12-25 | 2015-06-24 | 南车青岛四方机车车辆股份有限公司 | Air-supply structure and guideway vehicle is pushed up in guideway vehicle |
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