CN205417627U - Vehicle body steel structure of rail car - Google Patents
Vehicle body steel structure of rail car Download PDFInfo
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- CN205417627U CN205417627U CN201521062366.8U CN201521062366U CN205417627U CN 205417627 U CN205417627 U CN 205417627U CN 201521062366 U CN201521062366 U CN 201521062366U CN 205417627 U CN205417627 U CN 205417627U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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Abstract
The utility model discloses a vehicle body steel structure of rail car. The np car vehicle body steel structure mainly include: chassis steel construction, side wall steel construction, the compound load bearing structure of roof, preceding headwall steel construction and back headwall steel construction. Chassis steel construction wherein, the side wall steel construction, preceding / back headwall steel construction is formed through the arc welding for the carbon steel material, the compound roof that bears the weight of connects to form with other steel constructions for syntactic foams sandwich structure passes through structure gluey (SIKA 265), finally form whole cylindric skeleton load bearing structure, utilize above -mentioned vehicle body steel structure skeleton load bearing structure, its strength requirement satisfies P -IV type underload subway and heavy load tram in EN12663 -2010 (railway application - rail vehicle body construction strength requirement) the standard.
Description
Technical field
This utility model relates to the steel structure of car body of rail traffic vehicles, particularly relates to the steel structure of car body of the Np car of a kind of 100% low-floor modern tram.
Background technology
100% low-floor modern tram is as last 1 kilometer of vehicles plugged into of subway Yu public transport, and is mainly used in satellite city.100% low-floor modern tram refers to a kind of railroad car, and the height between door district floor and the rail level of track of this tramcar has the gradient less than 6 ° less than not having step in 350mm, and the guest room of this tramcar.Owing to there is the restriction heavily required less than the important technologies such as 12.5 tons less than 20m, axle for the height between door district floor and the rail level of track less than 350mm, smallest curve radius, therefore the steel structure of car body for 100% low-floor designs and proposes more strict requirements.
Utility model content
The technical problems to be solved in the utility model is to provide the version of a kind of modern tram steel structure of car body, this steel structure of car body is under the requirement meeting structural strength, by using bonding composite construction roof and lightweight loss of weight measure, the steel structure of car body of this version meets 100% low-floor modern tram Np car vehicle structure intensity and the requirement of safe operation.
This utility model provides the steel structure of car body of a kind of railroad vehicle, and described steel structure of car body includes:
Steel underframe, is positioned the bottom of described steel structure of car body.
Two side wall steel constructions, are positioned two sidepieces of described steel structure of car body respectively；
Front end wall steel construction, is positioned the leading section of described steel structure of car body；
Back-end wall steel construction, is positioned the rearward end of described steel structure of car body；With
Composite bearing structure roof, is positioned the top of described steel structure of car body,
It is characterized in that, arranging multiple mounting interface in steel underframe, the plurality of mounting interface carries out overall machining after the two of steel structure of car body side wall steel constructions, front end wall steel construction, back-end wall steel construction, composite bearing structure roof and steel underframe being completed again and obtains.
In preferred embodiment of the present utility model, described mounting interface includes for steel spring, vertical pull bar, drawing pull bar and the mounting interface of horizontal vertical backstop.
In preferred embodiment of the present utility model, composite bearing structure roof by bonding way respectively with two side wall steel constructions, front end wall steel construction and back-end wall steel structure connection.
In preferred embodiment of the present utility model, described composite bearing structure roof is made up of the three-decker being combined, and wherein the second layer is between ground floor and third layer.
In preferred embodiment of the present utility model, described ground floor is made up of different materials with the described second layer.
In preferred embodiment of the present utility model, described ground floor is constructed from the same material with described third layer.
In preferred embodiment of the present utility model, described ground floor is made up of aluminium sheet.
In preferred embodiment of the present utility model, the described second layer is made up of PET foam.
In preferred embodiment of the present utility model, steel underframe is completed by the assembly welding of crossbeam and longeron.
In preferred embodiment of the present utility model, the front end wall steel construction of steel structure of car body and the top of back-end wall steel construction are provided with hinged installing hole, are used for installing articulated mounting；Hinged installing hole under the bottom of the steel underframe of steel structure of car body is provided with, is used for installing lower articulated mounting.
In preferred embodiment of the present utility model, upper hinged installing hole and under hinged installing hole be by carry out being completed in the two of steel structure of car body side wall steel constructions, front end wall steel construction, back-end wall steel construction, composite bearing structure roof and steel underframe after entirety machining and obtain.
In preferred embodiment of the present utility model, described steel structure of car body is for the trailer of the band pantograph of 100% low-floor modern tram.
Accompanying drawing explanation
Describing embodiment of the present utility model in detail by referring to accompanying drawing, this utility model will become clearer from, wherein:
Fig. 1 is the front view of back-end wall steel construction；
Fig. 2 is the three-dimensional view of F steel structure of car body.
Fig. 3 is the three-dimensional view of Np steel structure of car body；With
Fig. 4 is the perspective bottom view of Mc steel structure of car body.
Reference:
Steel underframe 1
Side wall steel construction 2
Front end wall steel construction 3
Back-end wall steel construction 4
Front end drivers' cab steel construction 5
Composite bearing structure roof 6
Upper hinged installing hole 7
Under hinged installing hole 8
Detailed description of the invention
Below by embodiment, and combine accompanying drawing, the technical solution of the utility model is described in further detail.In the description, same or analogous drawing reference numeral indicates same or analogous parts.Following referring to the drawings explanation to this utility model embodiment is intended to explain overall utility model of the present utility model design, and is not construed as a kind of limiting of the present utility model.
In general, 100% low-floor modern tram classification type is:
=Mc+F1+Np+F0+Mc=
Wherein: Mc is the motor-car of band drivers' cab
F0, F1 are levitation vehicle
Np is the trailer of band pantograph
=for Foldable car hook device
+ for articulated mounting (including upper articulated mounting and lower articulated mounting)
Running owing to 100% low-floor modern tram and public vehicles are mixed, therefore recoverability and reducibility to the body construction of low-floor propose higher requirement.Therefore this steel structure of car body primary structure uses carbon steel material to meet the requirement easily repairing easily reduction.About the selection of carbon steel material, when thickness ＜ 6mm, use 09CuPCrNi-A；When thickness G T.GT.GT 6mm, use S355GNH.Two kinds of material yield strengths are 355N/mm2, but S355GNH is more beneficial for the welding of slab.
09CuPCrNi-A Yu S355GNH chemical composition and mechanical performance
Np car steel structure of car body is mainly made up of steel underframe, side wall steel construction, front end wall steel construction, back-end wall steel construction and composite bearing structure roof.Wherein steel underframe, side wall steel construction, front end wall steel construction, back-end wall steel construction are mainly formed framing structure form by the slab and girder of carbon steel material, and composite bearing structure roof is compound sandwich structure (aluminium sheet-PET foam-aluminium sheet), by bonding way and other steel structure connection.
Owing to low-floor modern tram floor level only has 350mm, being different from railcar, all electrical equipments of low-floor modern tram are arranged on composite bearing structure roof.Thus, it is desirable to the structural strength of composite construction roof and whole steel structure of car body be enough to support all electrical equipments of tramcar.
Owing to using upper and lower articulated mounting to hang together between adjacent two railway carriages, so being respectively provided with installing the installing hole of lower articulated mounting on the front end wall steel construction of Np car steel structure of car body and the top of back-end wall steel construction and steel underframe bottom.Specifically, the front end wall steel construction of Np car steel structure of car body and the top of back-end wall steel construction are provided with hinged installing hole, are used for installing articulated mounting；Hinged installing hole under the bottom of steel underframe is provided with, is used for installing lower articulated mounting.
For ensureing the installation accuracy of articulated mounting, the installing hole of the installing hole of front end wall steel construction, the installing hole of back-end wall steel construction and underframe is to carry out overall machining after car bodywork group welding completes to guarantee precision and the requirement of installing hole.
For ensureing the height of floor from rail top in bogie region, body construction design in bogie region is increasingly complex, for ensureing that bogie two is the mounting interface of steel spring, vertical pull bar, drawing pull bar and horizontal vertical backstop etc., after steel underframe integral assembly welding completes, carry out machining to ensure installation accuracy and requirement.
Np car steel structure of car body design standard used:
The Structural strength calls of EN12663-2010 railroad car
The crash worthiness requirement of EN15227-2007 railroad car
EN15085-2007 rolling stock and the welding requirements of parts thereof
Bonding requirements in the manufacture of DIN6701-2 rail vehicle
Fig. 1 is the front view of back-end wall steel construction；Fig. 3 is the three-dimensional view of Np steel structure of car body.
This utility model provides the steel structure of car body of a kind of railroad vehicle, and described steel structure of car body includes:
Two side wall steel constructions 2, are positioned two sidepieces of described steel structure of car body respectively；
Front end wall steel construction 3, is positioned the leading section of described steel structure of car body；
Back-end wall steel construction 4, is positioned the rearward end of described steel structure of car body；With
Composite bearing structure roof 6, is positioned the top of described steel structure of car body,
It is characterized in that, composite bearing structure roof 5 is connected with two side wall steel constructions 2, front end wall steel construction 3 and back-end wall steel construction 4 respectively by bonding way.
In preferred embodiment of the present utility model, described composite bearing structure roof 6 is made up of the three-decker being combined, illustratively and without limitation, composite bearing structure roof 6 is compound sandwich structure, such as, ground floor and third layer are all aluminium sheet, and the second layer is PET foam, and the second layer is between ground floor and third layer.
The steel structure of car body of railroad vehicle also includes: steel underframe 1, is positioned the bottom of described steel structure of car body.Steel underframe is completed by the assembly welding of crossbeam and longeron.
The front end wall steel construction 3 of steel structure of car body and the top of back-end wall steel construction 4 are provided with hinged installing hole 7, are used for installing articulated mounting；Hinged installing hole 8 under the bottom of the steel underframe 1 of steel structure of car body is provided with, is used for installing lower articulated mounting.
In preferred embodiment of the present utility model, upper hinged installing hole 7 and under hinged installing hole 8 be to obtain by carrying out entirety machining in the two of steel structure of car body side wall steel constructions, front end wall steel construction, back-end wall steel construction, composite bearing structure roof and steel underframe being completed after.
Describe this utility model with reference to one exemplary embodiment.It will become apparent, however, that those skilled in the art can be apparent from various selectable modification and change under the teaching of foregoing description.Thus, this utility model comprises and falls into all selectable modification within spirit and scope of the appended claims and change.
Claims (12)
1. a steel structure of car body for railroad vehicle, described steel structure of car body includes:
Steel underframe (1), is positioned the bottom of described steel structure of car body,
Two side wall steel constructions (2), are positioned two sidepieces of described steel structure of car body respectively；
Front end wall steel construction (3), is positioned the leading section of described steel structure of car body；
Back-end wall steel construction (4), is positioned the rearward end of described steel structure of car body；With
Composite bearing structure roof (6), is positioned the top of described steel structure of car body,
It is characterized in that, arranging multiple mounting interface in steel underframe, the plurality of mounting interface carries out overall machining after the two of steel structure of car body side wall steel constructions (2), front end wall steel construction (3), back-end wall steel construction (4), composite bearing structure roof (6) and steel underframe (1) being completed again and obtains.
Steel structure of car body the most according to claim 1, it is characterised in that described mounting interface includes for steel spring, vertical pull bar, drawing pull bar and the mounting interface of horizontal vertical backstop.
Steel structure of car body the most according to claim 1, it is characterized in that, composite bearing structure roof (6) is connected with two side wall steel constructions (2), front end wall steel construction (3) and back-end wall steel construction (4) respectively by bonding way.
Steel structure of car body the most according to claim 1, it is characterised in that described composite bearing structure roof (6) is made up of the three-decker being combined, and wherein the second layer is between ground floor and third layer.
Steel structure of car body the most according to claim 4, it is characterised in that described ground floor is made up of different materials with the described second layer.
Steel structure of car body the most according to claim 4, it is characterised in that described ground floor is constructed from the same material with described third layer.
Steel structure of car body the most according to claim 4, it is characterised in that described ground floor is made up of aluminium sheet.
Steel structure of car body the most according to claim 4, it is characterised in that the described second layer is made up of PET foam.
Steel structure of car body the most according to claim 1, it is characterised in that:
Steel underframe (1) is completed by the assembly welding of crossbeam and longeron.
Steel structure of car body the most according to claim 1, it is characterised in that:
The front end wall steel construction (3) of steel structure of car body and the top of back-end wall steel construction (4) are provided with upper hinged installing hole (7), are used for installing articulated mounting；
Hinged installing hole (8) under the bottom of the steel underframe (1) of steel structure of car body is provided with, is used for installing lower articulated mounting.
11. steel structure of car body according to claim 10, it is characterized in that, upper hinged installing hole (7) and under hinged installing hole (8) be to obtain by carrying out overall machining in the two of steel structure of car body side wall steel constructions (2), front end wall steel construction (3), back-end wall steel construction (4), composite bearing structure roof (6) and steel underframe (1) after being completed.
12. steel structure of car body according to claim 1, it is characterised in that described steel structure of car body is for the trailer of the band pantograph of 100% low-floor modern tram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521062366.8U CN205417627U (en) | 2015-12-17 | 2015-12-17 | Vehicle body steel structure of rail car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521062366.8U CN205417627U (en) | 2015-12-17 | 2015-12-17 | Vehicle body steel structure of rail car |
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| Publication Number | Publication Date |
|---|---|
| CN205417627U true CN205417627U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521062366.8U Active CN205417627U (en) | 2015-12-17 | 2015-12-17 | Vehicle body steel structure of rail car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106428053A (en) * | 2016-08-26 | 2017-02-22 | 广州电力机车有限公司 | Structural steel framework of railway passenger car body |
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2015
- 2015-12-17 CN CN201521062366.8U patent/CN205417627U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106428053A (en) * | 2016-08-26 | 2017-02-22 | 广州电力机车有限公司 | Structural steel framework of railway passenger car body |
| CN106428053B (en) * | 2016-08-26 | 2019-01-29 | 广州电力机车有限公司 | A kind of railroad coach steel structure of car body frame |
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| GR01 | Patent grant |