CN1190337C - Impact-resistant energy-absorbing train body of railway passenger train - Google Patents
Impact-resistant energy-absorbing train body of railway passenger train Download PDFInfo
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- CN1190337C CN1190337C CNB021267847A CN02126784A CN1190337C CN 1190337 C CN1190337 C CN 1190337C CN B021267847 A CNB021267847 A CN B021267847A CN 02126784 A CN02126784 A CN 02126784A CN 1190337 C CN1190337 C CN 1190337C
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- absorbing
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Abstract
The present invention relates to a railway passenger train, particularly, a motor train and a trailer of a power-centralized type motor train unit, and an end train and an intermediate train body or a power-dispersed type motor train unit. Unmanned regions at both ends of the train body are energy-absorption structures which generate plastic deformation; manned regions at the middle (or the middle of a machine) are elastic formation structures which generate elastic deformation. The elastic formation structure are positioned inside beams at both ends of the train body; the energy absorption structure A or F is positioned at the outer end of the train body to the middle the beams; the energy absorption structure E is positioned before a control stand of a streamline driver's cab; the energy absorption structures are in one-level, two-level and multi-level longitudinal and rigid arrangement. The present invention can convert huge impact kinetic energy generated in the collision of trains to the deformation energy of the unmanned regions of the train body, provides enough safety space for passengers, reduces the loss caused by accidents of train collision, and enhances the passive safety protection performance of the train.
Description
Technical field
The present invention relates to the railway transport of passengers train, especially the end car of the motor-car of power-centralized type motor train unit and trailer, power distribute type motor train unit and middle car car body.
Background technology
Existing train body is when running into car accident, because car body end construction intensity is big, the middle part manned plot structure relatively a little less than, when bearing bump, the car body end construction can not in order, controllably produce large deformation, and powerful impact is passed to central structure rapidly, in strong structure and weak structure interconnecting part METHOD FOR LARGE DEFORMATION ELASTOPLASTIC takes place at first, make manned district, middle part destroyed, cause occupant's injures and deaths.
Summary of the invention
The objective of the invention is to overcome the defective of existing passenger car body; and provide a kind of passenger train car body of impact-resistant energy-absorbing; the huge impact kinetic energy that produces when it can collide train is converted into car body non-manned zone's deformation energy; for the occupant provides enough survival spaces; reduce the loss that car accident causes, improve the passive security defencive function of train.
Technical scheme of the present invention is, the structure of car body is set to two end portions and middle part part, two end portions is that the non-manned zone is the endergonic structure that produces plastic deformation, and centre portion is that manned district or propulsion plant are the elastic deformation structure of generation elastic deformation, it is characterized in that:
1. the two end portions of train body is that endergonic structure is A and A or E and F, and the middle part is elastic deformation structure B;
2. endergonic structure A or F in the car body outer end between the sleeper beam; Endergonic structure E is positioned at stream line pattern driver's cab control desk the place ahead, and elastic deformation structure B is to form the osed top group frame with underframe, side wall, each beam spare of roof between two sleeper beams;
3. end endergonic structure A, E, F are according to one-level or two-stage or multistage longitudinal rigidity setting;
4. endergonic structure is mainly the carrying endergonic structure, establishes special-purpose energy-absorbing structural beams part when needing, as hexagonal mesh aluminium cellular structure;
5. to the carrying endergonic structure in the original structure, change the longitudinal rigidity of draw beam 1 and side bar 3 plate structure thickness, perforate on its web or wing plate, adjustment draw beam 1 and side bar 3 structures;
6.---web or cover plate perforate or offer the case spare structure of stress concentration groove up and down---web or cover plate perforate up and down to vertical or horizontal layout carrying energy-absorbing beam 2 adopts perforate case spare structures in underframe upper edge, end; Web is corrugated thin-wall box body structure, conical thin-wall body structure, the straight circular tube structure of thin-walled, the combination of one or more in the staged variable section circular tube structure.
Crashworthy raiway car-body with energy absorbing of the present invention compared with prior art, its advantage is as follows:
1. effect of impact power and car body deformation relationship curve show from Fig. 8 contact surface, have reduced the impact peak F A of body construction before producing plastic deformation, thereby have reduced the bump instantaneous acceleration of car body; Improved the impact FC of initial impact forces FB in deformation process of end endergonic structure generation plastic deformation, promptly increased the energy-absorbing area, in the actv. deformation stroke, improved body construction and absorbed energy; The plastic deformation termination impact FD of end endergonic structure and later application force are all in the scope that central structure can bear, like this, when impulsive force was delivered to the car body centre portion, centre portion only produced elastic deformation, and car body has been brought into play the effect of impact-resistant energy-absorbing.
2. when train during in normal operation, car body has enough strength and stiffness, guarantees train operating safety aspect body construction; When train crashed, METHOD FOR LARGE DEFORMATION ELASTOPLASTIC can take place in car body non-manned zone territory in an orderly manner, absorbed more impact kinetic energy, reduced the bump deceleration/decel effectively, and the manned district of car body only produces elastic deformation, has reduced the loss that car accident causes.
Be further described below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the trailer of passenger vehicle of the present invention, power-centralized type motor train unit, the middle car body structural representation of power distribute type car group.
Fig. 2 is the car body Undercarriage structure birds-eye view of Fig. 1.
Fig. 3 is the cutaway view of Fig. 2.
Fig. 4 is the motor-car of power-centralized type car group of the present invention, the end car body construction scheme drawing of power distribute type motor train unit.
Fig. 5 is the car body Undercarriage structure birds-eye view of Fig. 4.
Fig. 6 is the cutaway view of Fig. 5.
Fig. 7 is the three-dimensional structure scheme drawing of the end car car body of the motor-car of power-centralized type car group of the present invention, power distribute type motor train unit.
Fig. 8 is effect of impact power and car body deformation relationship diagram of curves on the Crashworthy raiway car-body with energy absorbing contact surface of the present invention.
The specific embodiment
Fig. 1, Fig. 2, Fig. 3 have described passenger vehicle, the trailer of power-centralized type motor train unit, the middle car body of power distribute type motor train unit, it is characterized in that:
The endergonic structure A of car body divides two-stage, A
1From car body outer end a to interior wall b; A
2For interior wall b to draw beam 1 small bore c place; All be provided with the closed frame structure between the two-stage endergonic structure and between endergonic structure and the buffer structure; Elastic deformation structure B pastes each beam spare with underframe, side wall, car body to form the osed top group frame.
Arrange crossbeam 8 between draw beam 1 and the vertical energy-absorbing beam 2; Energy-absorbing beam 2 is a body structure, and cover plate has the hole about it, is installed on the underframe of car body both ends.
As shown in Figure 1, the endergonic structure A of car body is the non-manned zone of two ends (by platform, lavatory), endergonic structure A
1To inside end wall b, in order to reduce the impact peak value of structure before producing plastic deformation, reduce the bump instantaneous acceleration of car body from car body outer end a, it is more weak that its longitudinal rigidity is provided with, and bumps moment endergonic structure A at train
1Produce METHOD FOR LARGE DEFORMATION ELASTOPLASTIC rapidly; Endergonic structure A
2For inside end wall b to draw beam 1 small bore c place, its longitudinal rigidity setting is compared A
1Greatly, mainly be in the actv. deformation stroke, to improve the energy that structure absorbs; For impact is quickly fallen in the central structure B tolerance range when being passed to the middle part, draw beam 1 small bore c place to sleeper beam position d is set to buffer structure, and its rigidity is slightly larger than A
2Endergonic structure.All being provided with the closed frame structure between the two-stage endergonic structure and between endergonic structure and the buffer structure, with the ordered deformation of control end bilge construction.
As Fig. 2, shown in Figure 3, the end endergonic structure mainly is made up of draw beam 1 and vertical energy-absorbing beam 2.In knockout process, produce the distortion of the mode that collapses in order for the control end bilge construction, on draw beam 1, longitudinally open circular hole, longitudinal rigidity with suitable weakening draw beam 1 structure, utilize the stress concentration effect of structure at the perforate section, during bump, the two side of tapping produces gauffer at first rapidly, forms plastic hinge; Vertically energy-absorbing beam 2 is arranged on the underframe of end, is body structure, and cover plate has circular hole about it, and position of opening is corresponding with the position of opening of draw beam 1, to guarantee compatibility of deformation.Vertically also be furnished with crossbeam 8 between energy-absorbing beam 2 and the draw beam 1 simultaneously, with the order of control underframe distortion.
The elastic deformation structure B of car body is the manned district of middle part.The mode of elastic deformation structure according to " thin-wall tube-shaped structural entity carrying " designed; Make underframe, side wall, each beam spare of roof form the osed top group frame, to improve the single-piece load-carrying capacity.
Fig. 4, Fig. 5, Fig. 6, Fig. 7 have described the motor-car of power-centralized type motor train unit, the end car car body of power distribute type motor train unit, it is characterized in that:
Endergonic structure E divides three grades, E
1Front end from the underframe end to underframe side bar 3, E
2From 2 horizontal nailing sills 4 of underframe side bar 3 front ends to the, E
3To backstop beam 5, be arranged on the variable section place of draw beam 1 from second horizontal nailing sill 4; Closed frame is arranged between every grade of endergonic structure.
Endergonic structure E is provided with horizontal nailing sill 4 between draw beam 1, side bar 3 and energy-absorbing beam 2, and is provided with on the stop configurations draw beam of being made up of backstop beam 5, driver's cab side wall column 6, window camber beam 71 and does not have perforate; The perforate of cover plate up and down of energy-absorbing beam 2, side bar 3 web perforates.
As shown in Figure 4, endergonic structure E and F are arranged in the two ends of car body, and the endergonic structure E of two ends of car body is different with F, and endergonic structure F is identical with middle elastic deformation structure B with aforesaid car body endergonic structure A with middle elastic deformation structure B.
As Fig. 4, shown in Figure 7: endergonic structure E is in stream line pattern driver's cab control desk the place ahead, and endergonic structure E divides three grades, endergonic structure E
1Front end from the underframe end to underframe side bar 3, its longitudinal rigidity minimum, so effective reduction initial impact forces peak value reduces the instantaneous acceleration/accel of car body bump; Absorb impact kinetic energy ability, endergonic structure E in order to improve structure
2From 2 horizontal nailing sills 4 of underframe side bar 3 front ends to the, be provided with longly, its rigidity of structure is greater than endergonic structure E
1Rigidity; Endergonic structure E
3To backstop beam 5, be arranged on the variable section place of draw beam 1 from second horizontal nailing sill 4, its effect is with the mild transition of the longitudinal rigidity between endergonic structure and the elastic deformation structure, begins to produce METHOD FOR LARGE DEFORMATION ELASTOPLASTIC after preceding two-layer configuration distortion is finished.Closed frame is arranged between every grade of endergonic structure, guarantee that the car body end produces ordered deformation and stable deformation pattern.
As Fig. 5, shown in Figure 6, endergonic structure E mainly is made up of draw beam 1, vertical energy-absorbing beam 2 and side bar 3, because draw beam 1 is an endergonic structure, is again carrying structure, and by the car body Static Strength Analysis, 1 does not have perforate on the draw beam; Vertical energy-absorbing beam 2 adopts the form of cover plate borehole up and down, and left and right sides side bar 3 adopts the form of web boreholes, with the distortion of control car body when clashing into; For coordinate side bar 3, draw beam 1 and vertically energy-absorbing beam 2 can longitudinally produce in an orderly manner and collapse distortion, horizontal nailing sill 4 is set between draw beam 1, side bar 3 and draw beam 1.In order to guarantee that vertical energy-absorbing beam 2 produces the distortion of expection, plastic deformation does not take place in the middle part elastic deformation structure, is provided with stop configurations simultaneously, and it is made up of backstop beam 5, driver's cab side wall column 6, window camber beam 7, as shown in Figure 7.
Claims (6)
1. impact-resistant energy-absorbing train body of railway passenger train is characterized in that:
1. the two end portions endergonic structure of car body is (A) and (A) or (E) and (F), and centre portion is elastic deformation structure (B);
2. endergonic structure (A) or (F) in the car body outer end between the sleeper beam; Endergonic structure (E) is positioned at stream line pattern driver's cab control desk the place ahead, and elastic deformation structure (B) is to form the osed top group frame with underframe, side wall, each beam spare of roof between two sleeper beams;
3. end endergonic structure (A), (E), (F) are according to one-level or two-stage or multistage longitudinal rigidity setting;
4. endergonic structure is mainly the carrying endergonic structure, establishes special-purpose energy-absorbing structural beams part when needing, as hexagonal mesh aluminium cellular structure;
5. to the carrying endergonic structure in the original structure, change the longitudinal rigidity of the structure of draw beam (1) and side bar (3) plate structure thickness, perforate on its web or wing plate, adjustment draw beam (1) and side bar (3);
6.---web or cover plate perforate or offer the body structure of stress concentration groove up and down---web or the cover plate perforate up and down of to vertical or horizontal layout carrying energy-absorbing beam (2), adopting the perforate body structure in underframe upper edge, end; Web is corrugated thin-wall box body structure, conical thin-wall body structure, the straight circular tube structure of thin-walled, the combination of one or more in the staged variable section circular tube structure.
2. impact-resistant energy-absorbing train body of railway passenger train according to claim 1 is characterized in that: the endergonic structure of middle car car body (A) branch two-stage, (A
1) from car body outer end (a) to interior wall (b); (A
2) locate for interior wall (b) to draw beam 1 small bore (c); All be provided with the closed frame structure between the two-stage endergonic structure and between endergonic structure and the buffer structure; Elastic deformation structure (B) is to form the osed top group frame with underframe, side wall, each beam spare of roof.
3. impact-resistant energy-absorbing train body of railway passenger train according to claim 2 is characterized in that: arrange crossbeam (8) between draw beam (1) and the vertical energy-absorbing beam (2).
4. vertical energy-absorbing beam according to claim 3 (2) is characterized in that: it is a body structure, and its cover plate perforate up and down is installed on the underframe of car body end.
5. impact-resistant energy-absorbing train body of railway passenger train according to claim 1 is characterized in that: the endergonic structure (E) of end car car body divides three grades, (E
1) front end from the underframe end to underframe side bar (3), (E
2) from 2 horizontal nailing sills 4 of underframe side bar (3) front end to the, (E
3) from second horizontal nailing sill (4) to backstop beam (5), be arranged on the variable section place of draw beam (1); Closed frame is arranged between every grade of endergonic structure.
6. impact-resistant energy-absorbing train body of railway passenger train according to claim 5 is characterized in that: endergonic structure (E) is the stop configurations that horizontal nailing sill (4) is set and is made up of backstop beam (5), driver's cab side wall column (6), window camber beam (7) between draw beam (1), side bar (3) and draw beam (1); The vertically perforate of cover plate up and down of energy-absorbing beam (2); The web perforate of left and right sides side bar (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021267847A CN1190337C (en) | 2002-07-26 | 2002-07-26 | Impact-resistant energy-absorbing train body of railway passenger train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021267847A CN1190337C (en) | 2002-07-26 | 2002-07-26 | Impact-resistant energy-absorbing train body of railway passenger train |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1394778A CN1394778A (en) | 2003-02-05 |
| CN1190337C true CN1190337C (en) | 2005-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021267847A Expired - Fee Related CN1190337C (en) | 2002-07-26 | 2002-07-26 | Impact-resistant energy-absorbing train body of railway passenger train |
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| Country | Link |
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| CN (1) | CN1190337C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145701A (en) * | 2011-03-30 | 2011-08-10 | 中南大学 | Collision threshold realizing method for train collision load energy absorbing component |
| CN103085835B (en) * | 2011-10-31 | 2016-04-20 | 南车青岛四方机车车辆股份有限公司 | Coupler pocket |
| WO2013107023A1 (en) * | 2012-01-19 | 2013-07-25 | General Electric Company | Vehicle body and manufacturing method |
| CN103303329B (en) * | 2013-05-28 | 2016-05-11 | 中南大学 | A kind of rail truck bottom bracket supporting endergonic structure and collision performance analogy method thereof |
| CN104085497A (en) * | 2014-07-10 | 2014-10-08 | 姜立平 | Anti-collision vessel with elastic frame structure |
| CN106672000B (en) * | 2016-12-20 | 2019-04-23 | 中车唐山机车车辆有限公司 | Car room energy-absorbing area and rail vehicle |
| CN108489698B (en) * | 2018-03-14 | 2019-11-12 | 中南大学 | Train occupant's secondary collision pilot system and method based on Electromagnetic Control |
| CN109000941B (en) * | 2018-06-04 | 2019-10-18 | 中南大学 | A kind of starting protection device for the experiment of EMU hitch |
| CN112519829B (en) * | 2020-12-03 | 2022-09-23 | 中车唐山机车车辆有限公司 | Double-deck rail vehicle |
| CN115230753B (en) * | 2022-08-23 | 2023-06-13 | 中车株洲电力机车有限公司 | Rail vehicle body structure and rail train |
-
2002
- 2002-07-26 CN CNB021267847A patent/CN1190337C/en not_active Expired - Fee Related
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|---|---|
| CN1394778A (en) | 2003-02-05 |
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