CN104554309A - 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
- Publication number
- CN104554309A CN104554309A CN201410820715.1A CN201410820715A CN104554309A CN 104554309 A CN104554309 A CN 104554309A CN 201410820715 A CN201410820715 A CN 201410820715A CN 104554309 A CN104554309 A CN 104554309A
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- Prior art keywords
- 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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- Engineering & Computer Science (AREA)
- 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 guideway vehicle, particularly push up air-supply structure in a kind of guideway vehicle, relate to a kind of guideway vehicle installing this air-supply structure simultaneously, belong to guideway vehicle manufacturing technology field.
Background technology
In guideway vehicle, often save guest room and be generally equipped with one to two air-conditioner set, every platform air-conditioner set adopts cellular structure, and air-conditioner set complete machine is arranged in vehicle bottom or roof.Air-conditioner set is connected with the air outlet in car and return air inlet with return airway by supply air duct, air after air-conditioner set process is sent in guest room through air outlet, regulate the temperature and humidity in guest room, air in guest room enters air-conditioner set through return air inlet, carry out interchange of heat with evaporator again after mixing with new wind, complete refrigerating cycle.
Guideway vehicle of the prior art, the general supply air duct that installation is connected with air-conditioner set air outlet above middle top board, supply air duct is fixed on steel structure of car roof by structures such as mounting rails, as the patent No. be 201220605948 Chinese patent " guideway vehicle top modular structure " or the patent No. be disclosed in the Chinese patent " a kind of roof top slab connecting structure inside of passenger train " of 200910222360.5.
But some guideway vehicle is by the restriction of vehicle gauge, under the prerequisite 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, the gauge requirement of height of car cannot be met, and occupy larger roof space.Meanwhile, also make the middle roof construction of vehicle complicated, add cost, also indirectly add tare, the requirement of body lightening cannot be met.
Summary of the invention
Main purpose of the present invention is to solve the problem and not enough, provides a kind of structure simple, by place above Appropriate application roof, and then reduces bodywork height, meet vehicle gauge requirement guideway vehicle in push up air-supply structure and guideway vehicle.
For achieving the above object, technical scheme of the present invention is:
Air-supply structure is pushed up in a kind of guideway vehicle, comprise middle top board, space above described middle top board is surrounded the supply air duct of space as air-conditioner set of relative closure, being communicated with the air outlet of air-conditioner set, the sidepiece in described closed space and/or described middle top board being provided with the car inner wind outlet for blowing in guest room.
Further, in the both sides of described middle top board fixed installation light bar, hanging beam is fixedly mounted above described light bar, the hanging of described middle top board, light bar and hanging beam overall U-shaped structure is on steel structure of car roof, and the space surrounded by described middle top board, light bar, hanging beam and steel structure of car roof is as the supply air duct of described air-conditioner set.
Further, be 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 the arc-shaped transition shape in acute angle, and the lampshade of described middle top board, both sides light bar and Lateral supply plate form the continuous cambered surface of the overall U-shaped of acute angle arc transition.
Further, the both sides of described middle top board each fix one elongated in push up longeron, described light bar, hanging beam, middle top board are fixedly connected with by middle top longeron.
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 has the C shape chute to light bar direction opening, described C shape chute is fixedly connected with by the lamp bracket of bolt with described light bar.
Another technical scheme of the present invention is:
A kind of guideway vehicle, comprises in guideway vehicle as above and pushes up air-supply structure.
Further, be 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 the air-supply space for blowing in guest room between side top board and middle top air-supply structure.
Further, the described side top board of every side adopts Split type structure, form 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 all fixed 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, push up air-supply structure and guideway vehicle in a kind of guideway vehicle provided by the invention, compared with prior art, tool has the following advantages:
(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, independent air channel structure can be saved simultaneously, cavity in utilization between top board and car body is blown, alleviate weight and provide cost savings, and the height that can reduce between top board and car body, and then reduce the height of car load, meet the requirement of vehicle gauge.
(2) utilize the above space of top board in vehicle passenger cab, as the supply air duct of air conditioner ventilating system, the air-supply of air-conditioner set is transported in guest room along car body longitudinal length direction, without air-supply dead angle, solve the problem that in guest room, longitudinally air-supply is uneven.
(3) blow in guest room in the side direction of middle top board, air current composition is reasonable, can avoid blowing and directly blow the sense of discomfort that human body causes, improve the air-conditioning effect difference problem of light section vehicle in summer, improve traveling comfort 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, assembles under can realizing car, integrative installation technology onboard again, improve construction technology, increase substantially packaging efficiency, reduce productive costs.
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 shape chute 8, lamp bracket 9, bolt 10, C shape groove 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, fabricated section 25, draw-in groove 26, sealing band 27, bolt 28, bolt 29, bolt 30.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail:
Embodiment one:
As shown in Figure 1, the invention provides a kind of guideway vehicle, comprise car body, roof-mounted air-condition unit, useless arranging device etc., roof-mounted air-condition unit 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 comprises framed side wallboard 23, middle top board 2 in the middle of roof, the side top board 3 of roof both sides, end wall panel and floor, 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, middle ceiling module structure provided by the invention comprises the middle top board 2 in the middle of roof, in the both sides of middle top board 2 fixed installation light bar 4, the top of both sides light bar 4 is installed with hanging beam 5 respectively, and the light bar 4 of middle top board 2, both sides and the hanging beam 5 overall U-shaped structure hanging of both sides are on steel structure of car roof 1.Integral module degree is high, assembles under can realizing car, then integrative installation technology onboard, improves construction technology, increases substantially packaging efficiency, reduces productive costs.
In the present embodiment, the top of middle top board 2 no longer arranges supply air duct, but using the space with the relative closure of certain altitude that surrounded by the light bar 4 of steel structure of car roof 1, middle top board 2, both sides and the hanging beam 5 of the both sides supply air duct 6 as air-conditioner set, within this space other equipment needed thereby can also be installed, unaffected.This space that make use of self-assembling formation above middle top board 2 rational in infrastructure, not only solve the problem that supply air duct cannot be arranged in top, guest room, also eliminate the air channel structure arranged separately in prior art, alleviate vehicle weight and save manufacture and material cost, and the height reduced 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.Meanwhile, using the overall space above middle top board 2 as supply air duct 6, the air-supply of air-conditioner set is transported in guest room along car body longitudinal length direction, 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 the air outlet (not shown) of air-conditioner set, air outlet and opening part realize being tightly connected by sealing joint strip, cold air after air-conditioner set process, is entered in the supply air duct 6 between steel structure of car roof 1 and middle top board 2 by the opening on the air outlet on air-conditioner set and steel structure of car roof 1.
Fixedly mount an air-supply box 18 again at the opening part of steel structure of car roof 1, air-supply box 18 is in supply air duct 6, and air-supply box 6 adopts glass-felt plastic or aluminum 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, sidewall has at least one air outlet 19, the top margin of air-supply box 18 is fixed by screws on steel structure of car roof 1, and the air outlet of air-conditioner set is communicated with by the supply air duct 6 surrounded between middle top board 2 and steel structure of car roof 1 by air-supply box 18.Air-supply box 18 plays the effect in static pressure chamber, change the air-flow direction of air-conditioner set simultaneously, the air that air-conditioner set is sent is cushioned in air-supply box 18, and be all equivalent to supply air duct 6 due to the space above whole middle top board 2, air-flow is cushioned further in supply air duct 6, makes air-supply air-flow more even.
On middle top board 2, return air inlet (not shown) in car is offered in the position of the return air inlet of corresponding air-conditioner set, steel structure of car roof 1 is offered the opening (not shown) equally corresponding with the return air inlet of air-conditioner set, 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.Opening on steel structure of car roof 1 and realize being tightly connected by sealing joint strip between the return air inlet of air-conditioner set, in car, the junction of return air inlet and return airway also realizes being tightly connected by sealing joint strip.Air in car enters return airway by return air inlet in the car on middle top board 2, then enters in air-conditioner set finally by the return air inlet on air-conditioner set and mix with new wind, and mixed air carries out interchange of heat with evaporator again.
As depicted in figs. 1 and 2, in the both sides of middle top board 1, each fixing in one pushes up longeron 7, 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 base 7a of middle top longeron 7 and the side of middle top board 2 are pasted and fixed on by sealant.Light bar 4 is arranged on the side fenced up by the base 7a of middle top longeron 7, side 7b and top margin 7c, and light bar 4 comprises lamp bracket 9, lampshade 17 and light source 20, and lampshade 17 is 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 shape chute 8 to light bar 4 direction opening, C shape chute 8 is fixedly connected with the lamp bracket 9 of light bar 4 by bolt (not shown), C shape chute 8 the installation and location that facilitate bolt are set, between lamp bracket 9 with middle top longeron 7 except bolt is connected, can also its top and bottom sealant or seal gasket bonding fixing.
Hanging beam 5 is the frame section bar structure taken the shape of the letter U to the section of car body center position opening, comprise 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 the C shape groove 11 under shed, the head of bolt 10 is arranged in C shape groove 11, and can slide to regulate installation attachment point in C shape groove 11, make fast easier for installation, the top margin 7b of hanging beam base 5b and middle top longeron 7 pastes fixing, or be bolted, can also directly be welded and fixed together.Require to be tightly connected between the top margin 7b of hanging beam base 5b and middle top longeron 7, ensure the leak tightness of supply air duct 6.
Due to hanging beam 5 employing is framed structure, the space that top is pushed up in side outside space in supply air duct 6 and middle top board 2 is interconnected by the space of framed structure, in the present embodiment, in order to integrally-built attractive in appearance, also simultaneously more even in order to blow, be fixed with one block of Lateral supply plate 12 in the outside of hanging beam side 5c, Lateral supply plate 12 adopts glass-reinforced plastic material to make and elongatedly along length over ends of body direction is arranged on the car inner wind outlet 13 Lateral supply plate 12 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 a cambered surface bent to the inside, 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 shape groove 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 is to downward-extension, cover lamp bracket 9 part, be connected with lampshade 17, to ensure overall appearance, between the bottom of Lateral supply plate 12 and lamp bracket 9, seal gasket 16 is set, plays sealing and fixing effect.
Lampshade 17 part of light bar 4 is the arc-shaped transition shape in acute angle, and the lampshade 17 of middle top board 2, both sides light bar 4 and the Lateral supply plate 12 of both sides form the continuous cambered surface of the overall U-shaped of acute angle arc transition, and overall appearance is generous, greatly improves the effect that vehicle is in-built.
In the present embodiment, at the both sides of middle top board 2 difference installation side top board 3, the side top board 3 of every side can as the structure of one, and its top margin is directly fixedly connected with steel structure of car roof 1 by attaching parts, and its base is fixedly connected with framed side wallboard 23 by attaching parts.As shown in figures 1 and 3, in the present embodiment, the side top board 3 of every side adopts Split type structure, form by upper and lower two pieces, make the decorative effect of whole roof more attractive in appearance, and side top board 3 has 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 fabricated section 25, draw-in groove 26 is formed between fabricated section 25 and steel structure of car roof 1, the top margin of upside top board 3a has a bending edges, in draw-in groove 26, install sealing band 27, the bending edges of upside top board 3a is stuck in the interior also press seal bar 27 of draw-in groove 26 and realizes being tightly connected.On steel structure of car roof 1 also fixedly mount one along the elongated setting in length over ends of body direction side top mounting rail 24, top, side mounting rail 24 is for having the U-shaped structure on length limit, the long limit of top mounting rail 24 is fixedly connected with the C shape groove 11 on steel structure of car roof 1 with bolt 29 by bolt 28, conveniently location is installed, the base of upside top board 3a extends to horizontal direction and the long limit of being pushed up mounting rail 24 by bolt 28 and side is fixedly connected with, and the Assembly &Disassembly of upside top board 3a is all very simple and convenient.
The top margin of downside top board 3b pushes up mounting rail 24 by hinge 21 and side and is rotationally connected, and the base of downside top board 3b is fixedly connected with framed side wallboard 23 by bolt 22.Hinge 21 while be fixedly connected on the mounting rail 24 of top, side, together with the another side of hinge 21 is pasted and fixed on downside top board 3b by bolt 30.Downside top board 3b can more convenient repair and maintenance by hinge 21, operating personal can after unthread bolts 22, downside top board 3b can be overturn downwards, observe and overhaul the equipment etc. above side top board 3, also reducing the difficulty of the installing/dismounting of hinge 21 and downside top board 3b simultaneously.
In the present embodiment, side top board 3 and middle roof construction are 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 cold air that car inner wind outlet 13 on the Lateral supply plate 12 of therefrom roof construction blows out, inner from the feeding guest room, both sides on top, guest room under the reflection and guiding of side top board 3, adopt from roof both sides Lateral supply mode, make objective Room air distribution design more reasonable, can avoid blowing and directly blow the sense of discomfort that human body causes, improve the air-conditioning effect difference problem of light section vehicle in summer, improve traveling comfort 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 assembling, integrally by bolt 10 top of hanging beam 5 is fixed in the C shape groove 11 on steel structure of car roof 1, and then by the hanging of middle top board 2, light bar 4 and hanging beam 5 entirety on steel structure of car roof 1, finally 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, the position opening of first corresponding air-conditioner set air outlet and return air inlet on steel structure of car roof 1, installs air-supply box 18 at the opening part corresponding with air outlet.In installation after roof construction, on middle top board 2 corresponding air-conditioner set return air inlet position drive in return air inlet.
Air after air-conditioner set process enters air-supply box 18 after air-conditioner set air outlet, send in supply air duct 6 from the air outlet 19 of air-supply box 18 again, cold air is from the space on the car inner wind outlet 13 approaching side top the Lateral supply plate 12 of both sides, inner from the feeding guest room, both sides on top, guest room under the reflection of side top board 3, simultaneously, air in car enters return airway by return air inlet in two cars on middle top board 2, finally enter again in air-conditioner set and mix with new wind, mixed air and evaporator carry out interchange of heat, complete refrigerating cycle.
The air-supply of air-conditioner set is transported in guest room along car body longitudinal length direction by the present embodiment, without air-supply dead angle, solve the problem that in guest room, longitudinally air-supply is uneven, adopt from roof both sides Lateral supply mode simultaneously, make air current composition reasonable, can avoid blowing and directly blow the sense of discomfort that human body causes, improve the air-conditioning effect difference problem of light section vehicle in summer, improve traveling comfort in car.
Embodiment two:
Be with embodiment one difference, can according to the requirement of guest room, in guest room, side top board 3 is not set in addition, in direct utilization, roof construction realizes air-supply, the function such as return air, illumination, and the air after air-conditioner set process enters after in supply air duct 6, flow out from the car inner wind outlet 13 both sides Lateral supply plate 12, enter the space on vehicle side top, cold air is sent in guest room by free convection, regulates the ambient temperature in guest room and humidity.
Embodiment three:
Be with above-described embodiment difference, except offer top, side air outlet 21 and 22 on side top board 3 except, also car inner wind outlet (not shown) can 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 hole, also can be bar gap-like opening.
As mentioned above, plan content given by reference to the accompanying drawings, can derive similar technical scheme.In every case be the content not departing from technical solution of the present invention, any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. push up air-supply structure in a guideway vehicle, comprise middle top board, it is characterized in that: the supply air duct of space as the air-conditioner set space above described middle top board being surrounded relative closure, being communicated with the air outlet of air-conditioner set, the sidepiece in described closed space and/or described middle top board being provided with the car inner wind outlet for blowing in guest room.
2. push up air-supply structure in guideway vehicle according to claim 1, it is characterized in that: in the both sides of described middle top board fixed installation light bar, hanging beam is fixedly mounted above described light bar, the hanging of described middle top board, light bar and hanging beam overall U-shaped structure is on steel structure of car roof, and the space surrounded by described middle top board, light bar, hanging beam and steel structure of car roof is as the supply air duct of described air-conditioner set.
3. push up air-supply structure in guideway vehicle according to claim 2, it is characterized in that: be 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.
4. push up air-supply structure in guideway vehicle according to claim 3, it is characterized in that: the lampshade of described light bar is the arc-shaped transition shape in acute angle, the lampshade of described middle top board, both sides light bar and Lateral supply plate form the continuous cambered surface of the overall U-shaped of acute angle arc transition.
5. push up air-supply structure in guideway vehicle according to claim 1 and 2, it is characterized in that: the both sides of described middle top board each fix one elongated in push up longeron, described light bar, hanging beam, middle top board are fixedly connected with by middle top longeron.
6. push up air-supply structure in guideway vehicle according to claim 5, it is characterized in that: described middle top longeron is elongated integrated section structure, there is base, side and top margin, its base and described middle top board are pasted fixing, paste fixing or be bolted or be welded and fixed between its top margin and described hanging beam.
7. push up air-supply structure in guideway vehicle according to claim 6, it is characterized in that: the side of described middle top longeron has the C shape chute to light bar direction opening, described C shape chute is fixedly connected with by the lamp bracket of bolt with described light bar.
8. a guideway vehicle, is characterized in that: comprise in the guideway vehicle as described in any one of claim 1-7 and push up air-supply structure.
9. guideway vehicle according to claim 8, it is characterized in that: be 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 the air-supply space for blowing in guest room between side top board and middle top air-supply structure.
10. guideway vehicle according to claim 9, it is characterized in that: the described side top board of every side adopts Split type structure, form 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 all fixed 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.
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| Application Number | Priority Date | Filing Date | Title |
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| 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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| 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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| CN104554309B CN104554309B (en) | 2017-01-11 |
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| Publication number | Publication date |
|---|---|
| CN104554309B (en) | 2017-01-11 |
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Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Applicant after: CRRC QINGDAO SIFANG CO., LTD. Address before: Chengyang District of Qingdao city Jihongtan town Shandong city Qingdao province Jinhong road 266111 No. 88 Applicant before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
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