CN102673586A - Side top structure of vehicle body of high-speed railway vehicle - Google Patents
Side top structure of vehicle body of high-speed railway vehicle Download PDFInfo
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- CN102673586A CN102673586A CN2011100653625A CN201110065362A CN102673586A CN 102673586 A CN102673586 A CN 102673586A CN 2011100653625 A CN2011100653625 A CN 2011100653625A CN 201110065362 A CN201110065362 A CN 201110065362A CN 102673586 A CN102673586 A CN 102673586A
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Abstract
The invention discloses a side top structure for a vehicle body of a high-speed railway vehicle. Thin-walled hollow aluminum alloy sections of which the inner cavities are divided into irregular polygons are adopted, two ends of each section are easily overlapped or inserted so as to form a side top, and the structural characteristic that the side top is welded and installed with a vehicle top is formed. The side top structure is connected with the vehicle top and side walls in the horizontal direction of the vehicle body and is formed by sequentially connecting and welding a plurality of thin-walled hollow aluminum alloy section plates. The outer surface of the side top structure is a circular arc surface; and the section width of the section is gradually reduced from the apex of the circular arc surface to the vehicle top and the side walls on two sides. Two ends of the outer surface of the side top structure are in circular arc transition with the outer surfaces of the vehicle top and the side walls; the side top structure has the structural characteristic of light weight and has high parameters of rigidity and intensity; the circular arc apex of the outer surface has the maximum section with of the section, so that when performing intersection or passing through a tunnel in the high-speed running state, the whole side top structure can resist air pressure impact to the maximum extent; and therefore, the effect of reducing the deformation of the vehicle body is achieved.
Description
Technical field
The present invention relates to a kind of body construction that is applied to the high-speed track vehicle and improve, emphasis belongs to mechanical manufacturing field to the structure optimization of side roof construction and aluminium alloy extrusions plate thereof.
Background technology
The operation speed per hour of present domestic motor train unit has reached 380 kilometers velocity stages, and the high-speed cruising of guideway vehicle certainly leads to the designing requirement that takes into account car body strength, rigidity and lightweight structure.
The lightweight car body of existing high-speed track vehicle is generally formed by the aluminum alloy materials assembly welding, and aluminum alloy materials generally adopts skeleton shell assembly welding, thin-walled monoshell section bar and hollow bivalve profile structure etc.Along with the lifting of high-speed track vehicle running velocity, guideway vehicle is when crossing tunnel, high speed intersection, and aerodynamic loading causes car body distortion problems of too, can not satisfy the mechanical property requirements of high-speed lower body.Therefore on intensity, rigidity and car body lightweight performance, still can't reach unified, in the design and use that realize the hot-short car body, also exist certain difficult point.
To the raising of guideway vehicle speed, also correspondingly bring the aerodynamics noise amount that the roof outside is imported in the guest room to strengthen, have influence on passenger's travelling comfort significantly.
In addition, connect the lightweight vehicle body frame, practical problems such as also exist the connection structure complicacy, be prone to deform after connecting for building.
Summary of the invention
The side roof construction of high-speed track vehicle car body of the present invention; Be to solve above-mentioned prior art problem and adopt the thin walled hollow aluminium alloy extrusions; The section bar inner chamber is divided into the fitfull polygon, and two ends form the assembly welding installation constitution characteristic of side top and roof later on through the connection structure of simple and easy overlap joint or grafting.
The objective of the invention is to, realize a kind of lightweight side roof construction, under the prerequisite that reaches the requirement of rigidity and intensive parameter, realize welding, the mechanical property of light-weighted car body design and optimization.Under the intersection of guideway vehicle high speed, mistake tunnel running environment, reduce the car body deflection.
Another goal of the invention is, in the lifting to guideway vehicle speed, reduces from the outside on car body side top and imports guest room in-to-in aerodynamics noise amount into, correspondingly to improve travelling comfort.
For realizing the foregoing invention purpose, the side roof construction of said high-speed track vehicle car body is connected with roof, the side wall of car body respectively on the cross-car direction, and the side roof construction is connected successively by several thin walled hollow aluminium alloy extrusions plates and assembly welding forms.
The difference with the prior art part is that the outside face of side roof construction is an arc surface, and its section material section width little by little diminishes to both sides roof, side wall along the arc surface summit.
The outside face two ends of side roof construction are respectively with the outside face arc transition of roof, side wall.
Like above-mentioned basic scheme; The side roof construction has the lightweight structure characteristic; Its rigidity and intensive parameter are higher; The place possesses maximum section material section width on its outside face circular arc summit, make whole side roof construction under the high-speed cruising state, takes place intersection with during the tunnel, can farthest accept the air pressure impact and reach the effect that reduces the car body deflection.
Innovative approach to the thin walled hollow aluminium alloy extrusions plate that constitutes the side roof construction is following:
Thin walled hollow aluminium alloy extrusions plate is integrally formed the formula structure through extrusion process, and it has the inner panel and the outside plate of arc-shaped sections, and outside plate is connected with the curved transition of the outside face of roof, side wall respectively.
Between inner panel and outside plate, be provided with a plurality of continuous diagonal bar plates, the diagonal bar plate is divided into several polygons with the inner chamber of thin walled hollow aluminium alloy extrusions plate.
Two ends at thin walled hollow aluminium alloy extrusions plate are respectively arranged with, the inside and outside inserted sheet that is used for pegging graft each other.
As above improvement project constitutes the thin walled hollow aluminium alloy extrusions plate of side roof construction, has the lightweight hollow structure, and inner panel, outside plate can be according to the arc structure of the moulded selection different angles of car body section.
Inner chamber between the inside and outside plate is divided into polygon by the diagonal bar plate, can be triangle, rhombus, rectangle etc., the normally comparatively stable a kind of structure of triangle wherein, and triangle can equicrural triangle or equilateral triangle etc.
For the connection mode between side roof construction and the roof, can select to overlap earlier the mode of welding again.
The side end that is said side roof construction is provided with, and is used for a pair of butt strip that overlaps with roof.
Be provided with several in the inboard of said inner panel and connect chute, connect the place, connection summit that chute is positioned at 2 adjacent diagonal bar plates.
Connect chute and be mainly used in parts such as in hang the inboard, side top of high-speed track vehicle, adorning wallboard, have higher rigidity and intensity at the place, connection summit of adjacent diagonal bar plate.
For further optimizing the intensity index of profile plate self, the section bar thickness of the connecting portion of said diagonal bar plate and inner panel, diagonal bar plate and outside plate is greater than the section bar thickness at inner panel, other positions of outside plate.
For improving the welding performance after section bar is pegged graft, after 2 described thin walled hollow aluminium alloy extrusions plates are pegged graft each other, between inside and outside inserted sheet, form a bevel for welding that is 60 °-80 °, can reach higher mechanics and welding performance requirement like this.
When under the high-speed cruising state, taking place intersection with the mistake tunnel for improving, profile plate has good impact resistance car body strength and rigidity, and a plurality of continuous diagonal bar plates are divided into several continuous triangles with the inner chamber of thin walled hollow aluminium alloy extrusions plate.
The length ratio of adjacent 2 diagonal bar plates is 1: (0.8-1.3).
As stated, the side roof construction of high-speed track vehicle car body of the present invention has the following advantages:
1, adopts a kind of lightweight side roof construction, under the prerequisite that reaches the requirement of rigidity and intensive parameter, realize welding, the mechanical property of light-weighted car body design and optimization, meet the Structural Design Requirement under the high-speed cruising state.
2, solve guideway vehicle under high speed intersection, mistake tunnel running environment, the problem of car body generation moderate finite deformation amount.
3, be adapted to the higher speed per hour of guideway vehicle, reduce from the outside on car body side top and import guest room in-to-in aerodynamics noise amount into, correspondingly to improve travelling comfort.
Description of drawings
The following accompanying drawing of existing combination is done explanation further to the present invention.
Fig. 1 is the part-structure scheme drawing of said high-speed track vehicle vehicle body frame;
Fig. 2 is the side roof construction generalized section of high-speed track vehicle car body;
Fig. 3 is the scheme drawing of thin walled hollow aluminium alloy extrusions plate;
Extremely shown in Figure 4 like Fig. 1, inner panel 1, outside plate 2, diagonal bar plate 3, inserted sheet 4, connecting portion 5, bevel for welding 6 connects chute 7, butt strip 8, roof 9, side top 10, side wall 11, thin walled hollow aluminium alloy extrusions plate 20, arc surface summit 30.
The specific embodiment
In Fig. 1, peg graft, form behind the assembly welding side top 10 each other by several thin walled hollow aluminium alloy extrusions plates 20, side top 10 again with roof 9 assembly welding of pegging graft.
As shown in Figures 2 and 3, in the side roof construction of high-speed track vehicle car body, thin walled hollow aluminium alloy extrusions plate 20 is integrally formed the formula structure through extrusion process.Wherein,
Have the inner panel 1 and outside plate 2 of whole inside and outside arc surface, between inner panel 1 and outside plate 2, be provided with a plurality of continuous diagonal bar plates 3.
In thin walled hollow aluminium alloy extrusions plate 20 interconnective ends, be provided with a pair of inside and outside inserted sheet 4 of pegging graft.Be provided with the butt strip 8 of a pair of overlap joint at the connecting portion of side top 10 and roof 9.
Be provided with several in the inboard of inner panel 1 and connect chute 7, chute is arranged on the place, connection summit of 2 adjacent diagonal bar plates 3.
After two adjacent thin walled hollow aluminium alloy extrusions plates 20 are pegged graft each other, form a bevel for welding 6 that is 70 ° between the inserted sheet 4.
In the triangle that continuous diagonal bar plate 3 is divided into, the length ratio of adjacent diagonal bar plate 3 was at 1: 1.1.
The outside face of said outside plate 2 is an arc surface, and respectively with the outside face arc transition of roof 9, side wall 11.
The outside face integral body of side top 10 on the cross-car direction is arc surface, and its section material section width little by little diminishes to both sides roof 9, side wall 11 along arc surface summit 30, and arc surface summit 30 is section material section the widest part.
Side is pushed up 10 single-piece exterior arc surface two ends, respectively with the outside face arc transition of roof 9, side wall 11.
Claims (8)
1. the side roof construction of a high-speed track vehicle car body is connected with roof (9), side wall (11) respectively on the cross-car direction, and the side roof construction is connected successively by several thin walled hollow aluminium alloy extrusions plates (20) and assembly welding forms, and it is characterized in that:
The outside face of said side roof construction is an arc surface, and the section material section width of side roof construction little by little diminishes to both sides roof (9), side wall (11) along arc surface summit (30);
The outside face two ends of said side roof construction are respectively with the outside face arc transition of roof (9), side wall (11).
2. the side roof construction of high-speed track vehicle car body according to claim 1 is characterized in that: described thin walled hollow aluminium alloy extrusions plate (20), be integrally formed the formula structure through extrusion process, and it has the inner panel (1) and the outside plate (2) of arc-shaped sections,
Outside plate (2) is connected with the curved transition of outside face of roof (9), side wall (11) respectively,
Between inner panel (1) and outside plate (2), be provided with a plurality of continuous diagonal bar plates (3), diagonal bar plate (3) is divided into several polygons with the inner chamber of thin walled hollow aluminium alloy extrusions plate (20);
Two ends at thin walled hollow aluminium alloy extrusions plate (20) are respectively arranged with, the inside and outside inserted sheet (4) that is used for pegging graft each other.
3. the side roof construction of high-speed track vehicle car body according to claim 2 is characterized in that: the side end of said side roof construction is provided with, and is used for a pair of butt strip (8) that overlaps with roof (9).
4. according to the side roof construction of claim 2 or 3 described high-speed track vehicle car bodies, it is characterized in that: be provided with several in the inboard of said inner panel (1) and connect chute (7), connect the place, connection summit that chute (7) is positioned at 2 adjacent diagonal bar plates (3).
5. according to the side roof construction of claim 2 or 3 described high-speed track vehicle car bodies; It is characterized in that: the section bar thickness of the connecting portion (5) of said diagonal bar plate (3) and inner panel (1), diagonal bar plate (3) and outside plate (2), greater than the section bar thickness at inner panel (1), other positions of outside plate (2).
6. the side roof construction of high-speed track vehicle car body according to claim 5 is characterized in that: after 2 thin walled hollow aluminium alloy extrusions plates (20) are pegged graft each other, between inside and outside inserted sheet (4), form one 60 °-80 ° bevel for welding (6).
7. the side roof construction of high-speed track vehicle car body according to claim 6 is characterized in that: a plurality of continuous diagonal bar plates (3) are divided into several continuous triangles with the inner chamber of thin walled hollow aluminium alloy extrusions plate (20).
8. the side roof construction of high-speed track vehicle car body according to claim 7 is characterized in that: between said inner panel (1) and outside plate (2), the length ratio of adjacent 2 diagonal bar plates (3) is 1: (0.8-1.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100653625A CN102673586A (en) | 2011-03-17 | 2011-03-17 | Side top structure of vehicle body of high-speed railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100653625A CN102673586A (en) | 2011-03-17 | 2011-03-17 | Side top structure of vehicle body of high-speed railway vehicle |
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| CN102673586A true CN102673586A (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011100653625A Pending CN102673586A (en) | 2011-03-17 | 2011-03-17 | Side top structure of vehicle body of high-speed railway vehicle |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104709300A (en) * | 2015-01-27 | 2015-06-17 | 南车青岛四方机车车辆股份有限公司 | High-speed train, train body and machining method of train body |
| WO2016050068A1 (en) * | 2014-09-30 | 2016-04-07 | 齐齐哈尔轨道交通装备有限责任公司 | Wagon and side wall thereof |
| US10272929B2 (en) | 2016-05-11 | 2019-04-30 | Progress Rail Locomotive Inc. | System and apparatus to maintain minimum clearance between train and railway infrastructure |
| CN110126861A (en) * | 2019-05-08 | 2019-08-16 | 中车青岛四方机车车辆股份有限公司 | The roof side rail of vehicle |
| CN111688732A (en) * | 2020-05-06 | 2020-09-22 | 中车青岛四方机车车辆股份有限公司 | Side top section bar, rail vehicle automobile body and rail vehicle |
| CN111976764A (en) * | 2020-09-04 | 2020-11-24 | 安徽浦创轨道车辆装备有限责任公司 | Rail vehicle dome plate structure |
| GB2604802A (en) * | 2022-05-16 | 2022-09-14 | Lawrence David Ltd | Connector |
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| CN201472394U (en) * | 2009-08-11 | 2010-05-19 | 南车青岛四方机车车辆股份有限公司 | Side wall door pocket plate for railway vehicle |
| CN201484425U (en) * | 2009-08-11 | 2010-05-26 | 南车青岛四方机车车辆股份有限公司 | Railway vehicle body side and top connecting section plate |
| CN201484421U (en) * | 2009-08-11 | 2010-05-26 | 南车青岛四方机车车辆股份有限公司 | Car body framework of high-speed rail car |
| CN201998995U (en) * | 2011-03-17 | 2011-10-05 | 铁道部运输局 | Side roof structure of high-speed railway vehicle body |
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2011
- 2011-03-17 CN CN2011100653625A patent/CN102673586A/en active Pending
Patent Citations (5)
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| JP2001163217A (en) * | 1999-12-06 | 2001-06-19 | Nippon Sharyo Seizo Kaisha Ltd | Body structure for rolling stock |
| CN201472394U (en) * | 2009-08-11 | 2010-05-19 | 南车青岛四方机车车辆股份有限公司 | Side wall door pocket plate for railway vehicle |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016050068A1 (en) * | 2014-09-30 | 2016-04-07 | 齐齐哈尔轨道交通装备有限责任公司 | Wagon and side wall thereof |
| CN104709300A (en) * | 2015-01-27 | 2015-06-17 | 南车青岛四方机车车辆股份有限公司 | High-speed train, train body and machining method of train body |
| CN104709300B (en) * | 2015-01-27 | 2018-08-03 | 中车青岛四方机车车辆股份有限公司 | Bullet train, car body and its processing method |
| US10272929B2 (en) | 2016-05-11 | 2019-04-30 | Progress Rail Locomotive Inc. | System and apparatus to maintain minimum clearance between train and railway infrastructure |
| CN110126861A (en) * | 2019-05-08 | 2019-08-16 | 中车青岛四方机车车辆股份有限公司 | The roof side rail of vehicle |
| CN111688732A (en) * | 2020-05-06 | 2020-09-22 | 中车青岛四方机车车辆股份有限公司 | Side top section bar, rail vehicle automobile body and rail vehicle |
| CN111976764A (en) * | 2020-09-04 | 2020-11-24 | 安徽浦创轨道车辆装备有限责任公司 | Rail vehicle dome plate structure |
| GB2604802A (en) * | 2022-05-16 | 2022-09-14 | Lawrence David Ltd | Connector |
| GB2604802B (en) * | 2022-05-16 | 2023-03-08 | Lawrence David Ltd | Connector |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 100844 Fuxing Road, Beijing, Haidian District, No. 10 Applicant after: CHINA RAILWAY CORPORATION Applicant after: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. Address before: 100844 Fuxing Road, Beijing, Haidian District, No. 10 Applicant before: Transport Bureau of Railway Department Applicant before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: TRANSPORT BUREAU OF RAILWAY DEPARTMENT TO: CHINA RAILWAY CORPORATION |
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| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120919 |