CN202071837U - Rapid train headstock structure - Google Patents
Rapid train headstock structure Download PDFInfo
- Publication number
- CN202071837U CN202071837U CN2011201489407U CN201120148940U CN202071837U CN 202071837 U CN202071837 U CN 202071837U CN 2011201489407 U CN2011201489407 U CN 2011201489407U CN 201120148940 U CN201120148940 U CN 201120148940U CN 202071837 U CN202071837 U CN 202071837U
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- China
- Prior art keywords
- nose cone
- headstock
- driver
- cab
- train
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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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
Abstract
The utility model relates to a rapid train headstock structure. The shape of a headstock is streamline; the head part of the headstock is a rotating body nose cone; a plough-shaped interceptor is arranged below the nose cone; a diversion trench structure is formed by the interceptor and the nose cone; the nose cone is connected with a wedged driver cab; an ellipsoidal train front window protruding upwards is arranged at the upper part of the driver cab; the smooth transition is realized among the nose cone, the driver cab and the train front window; and the height h from the center line of the nose cone to the bottom of the headstock accounts for 1/4 to 1/3 of the whole height H of the headstock. The nose cone of the head part of the headstock with the structure is a rotating body, thus being beneficial to reducing air resistance; due to the reasonable matching of a guide slot, most air can flow to the upper part and two sides of a train body, so that the most air flow is prevented from entering gaps at the lower part of the train body and steering to a frame area, therefore, the air resistance can be reduced effectively; and by arranging the ellipsoidal train front window, the pneumatic noise at the part of the window can be reduced, and the view of a driver and the internal space of the driver cab can be enlarged.
Description
Technical field
The utility model relates to a kind of vehicle head structure of high speed train, and particularly a kind of speed per hour of moving is the above high speed train vehicle head structure of 380km/h, belongs to high-speed train body manufacturing technology field.
Background technology
Along with improving constantly of train running speed, the suffered aerodynamic drag of train also increases fast, simultaneously, in train high-speed cruising process, other trains that move on the train of high-speed cruising and ground, peripheral facility and the circuit influence each other, and form the solid coupling effect of complicated stream: suffered aerodynamic lift, intersection side force and the beam wind effect of train will cause adverse effect to train operation stability; Train table surface pressure, intersection pressure wave will cause adverse effect to car body strength; The aerodynamics noise that train operation produces will be to ride quality, and ambient environment are caused adverse effect or the like.Thereby in High-Speed Train Design, need to car body particularly the head dummy of headstock carry out abundant aerodynamic optimization, to address the above problem.
Need the factor considered various in the high speed train head dummy design, interrelated between various design considerations and the performance, mutual restriction need seeking balance between many design factors.In the head dummy pneumatic design, need between several main performance index such as aerodynamic drag, aerodynamic lift, side force, aerodynamics noise, average out complex optimum car load aeroperformance.
Summary of the invention
The utility model main purpose is to address the above problem, and provides a kind of aeroperformance superior high speed train vehicle head structure.
For achieving the above object, high speed train vehicle head structure described in the utility model, the profile of headstock is stream line pattern, the head of described headstock is a swivel nose cone, the spoiler of one plow-shape is set below described nose cone, the common flame diversion trough structure that forms of nose cone and spoiler, described nose cone connects the driver's cab of a wedge shape, project upwards the windscreen of an elliposoidal on the top of described driver's cab, seamlessly transit between described nose cone, driver's cab and the windscreen.
The surface configuration of described nose cone is formed around horizontal rotational shaft by a Bezier, and the height h of described nose cone distance between center line headstock bottom accounts for the 1/4-1/3 of headstock overall height H.
Described windscreen is 20 °-35 ° with respect to the inclination angle that the end face of the driver's cab of wedge shape makes progress.
The length 1 of described nose cone accounts for the 10%-20% of headstock total length L, wherein is preferably 15%.
Content to sum up, high speed train vehicle head structure described in the utility model, the nose cone of headstock head is a swivel, help to reduce air resistance, and the rational Match by flame diversion trough, make nose cone punishment stream wind speed integral body become little, air-flow trend uniformization reduces burbling, helps most of air-flow is guided into the both sides of vehicle body upper portion and car body simultaneously, avoid most of air-flow to enter slit, car body bottom and bogie truck zone, thereby effectively reduce air resistance, in addition, windscreen has an inclination angle that makes progress and seamlessly transits with driver's cab, not only can reduce aerodynamics noise herein, can also increase driver's the visual field and the inner space of driver's cab.By to the isostructural rational Match of nose cone, spoiler, driver's cab and windscreen, make the car load aeroperformance more superior.
Description of drawings
Fig. 1 the utility model structural representation;
The A of Fig. 2 Fig. 1 is to view.
As depicted in figs. 1 and 2, nose cone 1, spoiler 2, driver's cab 3, windscreen 4, inclination angle 5, car body section 6.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:
As depicted in figs. 1 and 2, high speed train vehicle head structure described in the utility model, the monnolithic case of headstock is stream line pattern, helps to reduce air resistance.Particularly, vehicle head structure is divided into four parts, it is respectively nose cone 1, spoiler 2, driver's cab 3 and windscreen 4 all seamlessly transit between each component part, seamlessly transit between headstock part and the car body section 6, in addition, the headstock bilge construction also comprises and is positioned at driver's cab 3 both sides side wall Shang De lookout window (not shown)s, and structure such as car light (not shown).
Wherein, nose cone 1 is the head of headstock, and the surface of nose cone 1 is a swivel, and it is to be formed by the horizontal rotational shaft of a Bezier around nose cone 1 center.The nose cone 1 of Xing Chenging point like this, wind area is less, in the time of can reducing the vehicle high-speed cruising air-flow to the direct shock zone of headstock portion, and the diffusion district that can reduce generation.
The height h of nose cone 1 distance between center line headstock bottom accounts for the 1/4-1/3 of headstock overall height H, helps most of air-flow is guided into the top of car body, avoids most of air-flow to enter slit, car body bottom and bogie truck zone, thereby effectively reduces air resistance.
The spoiler 2 of one plow-shape is set below nose cone 1, and spoiler 2 profiles and the nose cone 1 of plow-shape are complementary, and help to slow down the flow velocity of nose cone 1 below gas.The lower surface of nose cone 1 and flame diversion trough structure of spoiler 2 common compositions, this flow-guiding structure is a flame diversion trough structure to lower recess, it can directed flow cross the both sides discharge of the air of nose cone 1 bottom by car body, rather than discharge by the bottom of car body, like this, can further reduce the aerodynamic drag of car load.
Nose cone 1 connects driver's cab 3, in order to reduce air resistance, driver's cab 3 is elongated wedge shape, seamlessly transit between nose cone 1 and the driver's cab 3, project upwards the windscreen 4 of an elliposoidal on the top of driver's cab 3, seamlessly transit between driver's cab 3 and the windscreen 4, driver's cab 3 backs connect car body, seamlessly transit between driver's cab 3 and the car body section 6.
Windscreen 4 has an inclination angle that makes progress 5 with respect to the end face of the driver's cab 3 of wedge shape, and inclination angle 5 is difficult for excessive or too small, and crossing conference increases air resistance, the too small visual field that can influence the driver, and through test in a large number, inclination angle 5 is preferably between 20 °-35 °.The windscreen 4 of the spheroid shape that projects upwards not only can improve driver's the visual field, can increase the inner space of whole driver's cab 3 simultaneously, makes driver's working environment more comfortable.
In the head dummy parameter of headstock an important parameters being arranged is exactly slenderness ratio, and slenderness ratio refers to the length of headstock front end nose cone 1 and the ratio of headstock rear portion vehicle body section radius.At two high speed trains during in mutual intersection, speed is high more during meeting, the intensity of Train Crossing Pressure Waves is also just big more, but the Train Crossing Pressure Waves amplitude can significantly reduce on approximately linear ground along with the increase of head slenderness ratio, in order to reduce the pressure wave intensity that the high speed train meeting causes effectively, just the head design with the headstock of high speed train becomes slender type.
Present embodiment is through accurate measuring and calculating, and the length 1 of nose cone 1 preferably accounts for the 10%-20% of headstock total length L, and further preferred numerical value then is 15%.General speed per hour is at the high speed train of 380km/h, and the total length L of its headstock is approximately about 12 meters, and the length of nose cone 1 can not be oversize or too short, and the oversize rigidity and the intensity that can influence whole vehicle head structure also can influence the staffing in other compartment simultaneously.
As mentioned above, given in conjunction with the accompanying drawings and embodiments scheme content can derive the similar techniques scheme.In every case be the content that does not break away from technical solutions of the utility model, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical solutions of the utility model according to technical spirit of the present utility model.
Claims (6)
1. high speed train vehicle head structure, the profile of described headstock is stream line pattern, it is characterized in that: the head of described headstock is a swivel nose cone (1), the spoiler (2) of one plow-shape is set in the below of described nose cone (1), described nose cone (1) forms a flame diversion trough structure jointly with spoiler (2), described nose cone (1) connects the driver's cab (3) of a wedge shape, project upwards the windscreen (4) of an elliposoidal on the top of described driver's cab (3), seamlessly transit between described nose cone (1), driver's cab (3) and the windscreen (4).
2. high speed train vehicle head structure according to claim 1 is characterized in that: the surface configuration of described nose cone (1) is formed around horizontal rotational shaft by a Bezier.
3. high speed train vehicle head structure according to claim 2 is characterized in that: the height h of described nose cone (1) distance between center line headstock bottom accounts for the 1/4-1/3 of headstock overall height H.
4. high speed train vehicle head structure according to claim 1 is characterized in that: described windscreen (4) is 20 °-35 ° with respect to the inclination angle (5) that the end face of the driver's cab (3) of wedge shape makes progress.
5. high speed train vehicle head structure according to claim 1 is characterized in that: the length 1 of described nose cone (1) accounts for the 10%-20% of headstock total length L.
6. high speed train vehicle head structure according to claim 5 is characterized in that: the length 1 of described nose cone (1) accounts for 15% of headstock total length L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201489407U CN202071837U (en) | 2011-05-11 | 2011-05-11 | Rapid train headstock structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201489407U CN202071837U (en) | 2011-05-11 | 2011-05-11 | Rapid train headstock structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202071837U true CN202071837U (en) | 2011-12-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201489407U Expired - Lifetime CN202071837U (en) | 2011-05-11 | 2011-05-11 | Rapid train headstock structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202071837U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102774391A (en) * | 2011-05-11 | 2012-11-14 | 铁道部运输局 | Locomotive structure of high-speed train |
| CN103121454A (en) * | 2013-03-05 | 2013-05-29 | 唐山轨道客车有限责任公司 | Railway vehicle telescopic head and railway vehicle |
| CN105764767A (en) * | 2013-09-24 | 2016-07-13 | 庞巴迪运输有限公司 | Vehicle with aerodynamically optimized vehicle head |
| CN106994978A (en) * | 2017-04-28 | 2017-08-01 | 北京机电工程研究所 | A kind of ultrahigh speed pipeline train shape of low aerodynamic drag |
| CN107792102A (en) * | 2016-09-06 | 2018-03-13 | 阿尔斯通运输科技公司 | The end vehicle frame of rail vehicle and the rail vehicle of correlation |
-
2011
- 2011-05-11 CN CN2011201489407U patent/CN202071837U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102774391A (en) * | 2011-05-11 | 2012-11-14 | 铁道部运输局 | Locomotive structure of high-speed train |
| CN102774391B (en) * | 2011-05-11 | 2015-03-25 | 中国铁路总公司 | Locomotive structure of high-speed train |
| CN103121454A (en) * | 2013-03-05 | 2013-05-29 | 唐山轨道客车有限责任公司 | Railway vehicle telescopic head and railway vehicle |
| WO2014135068A1 (en) * | 2013-03-05 | 2014-09-12 | 唐山轨道客车有限责任公司 | Telescoping railway vehicle head and railway vehicle |
| CN103121454B (en) * | 2013-03-05 | 2015-05-20 | 唐山轨道客车有限责任公司 | Railway vehicle telescopic head and railway vehicle |
| CN105764767A (en) * | 2013-09-24 | 2016-07-13 | 庞巴迪运输有限公司 | Vehicle with aerodynamically optimized vehicle head |
| CN105764767B (en) * | 2013-09-24 | 2019-08-02 | 庞巴迪运输有限公司 | The vehicle of headstock with aerodynamic optimization |
| CN107792102A (en) * | 2016-09-06 | 2018-03-13 | 阿尔斯通运输科技公司 | The end vehicle frame of rail vehicle and the rail vehicle of correlation |
| CN106994978A (en) * | 2017-04-28 | 2017-08-01 | 北京机电工程研究所 | A kind of ultrahigh speed pipeline train shape of low aerodynamic drag |
| CN106994978B (en) * | 2017-04-28 | 2023-09-15 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Ultra-high speed pipeline train appearance structure of low aerodynamic resistance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA RAILWAY CORPORATION Free format text: FORMER OWNER: TRANSPORT BUREAU OF RAILWAY DEPARTMENT Effective date: 20140925 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140925 Address after: 100844 Fuxing Road, Beijing, Haidian District, No. 10 Patentee after: CHINA RAILWAY CORPORATION Patentee after: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. Address before: 100844 Fuxing Road, Beijing, Haidian District, No. 10 Patentee before: Transport Bureau of Railway Department Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20111214 Effective date of abandoning: 20150325 |
|
| RGAV | Abandon patent right to avoid regrant |