CN207345836U - A kind of stagewise endergonic structure and rail vehicle - Google Patents
A kind of stagewise endergonic structure and rail vehicle Download PDFInfo
- Publication number
- CN207345836U CN207345836U CN201721353428.XU CN201721353428U CN207345836U CN 207345836 U CN207345836 U CN 207345836U CN 201721353428 U CN201721353428 U CN 201721353428U CN 207345836 U CN207345836 U CN 207345836U
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- Prior art keywords
- cross beam
- endergonic structure
- stagewise
- girder
- energy
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- 239000000203 mixture Substances 0.000 claims abstract description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Abstract
Rail vehicle technical field is the utility model is related to, discloses a kind of stagewise endergonic structure, it includes front end cross beam, rear end floor beam, intermediate transverse girder, intermediate longitudinal girder and side bar；Front end cross beam and rear end floor beam are arranged in parallel, the both ends of front end cross beam are connected by side bar with the both ends of rear end floor beam respectively, the both ends of intermediate longitudinal girder and the inner vertical of the inner side of front end cross beam and rear end floor beam connect, intermediate transverse girder is parallel to be arranged between front end cross beam and rear end floor beam and is connected with intermediate longitudinal girder, the both sides of intermediate longitudinal girder are interval with the energy absorbing tube of multiple settings in parallel, and the both ends of energy absorbing tube are connected with rear end floor beam and intermediate transverse girder respectively；The junction of intermediate longitudinal girder and side bar composition level-one endergonic structure, energy absorbing tube formation two level endergonic structure, energy absorbing tube and intermediate transverse girder is filled with energy-absorbing honeycomb, forms three-level endergonic structure.The invention also discloses a kind of rail vehicle.The utility model can gradually reduce impact kinetic energy, and energy-absorbing effect is good.
Description
Technical field
Rail vehicle technical field is the utility model is related to, more particularly to a kind of stagewise endergonic structure and railcar
.
Background technology
Track traffic is as a kind of quick, large capacity, broad covered area, cost of transportation are low, comfortable easily modern transportation
Instrument, while the life to people offers convenience, also traffic accident caused by it brings pole to the life and property of the mankind
Big threat and injury.
Train accident infringement can be reduced by setting about development rail vehicle power-absorbing, utilize energy absorbing component to absorb knockout process
Middle energy ensures passenger's security of the lives and property, at present, the endergonic structure good there is an urgent need for developing a kind of energy-absorbing effect.
Utility model content
(1) technical problems to be solved
The purpose of this utility model be to provide it is a kind of gradually reduce impact kinetic energy, the controllable stagewise endergonic structure of deformation,
To protect the safety of occupant to greatest extent.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of stagewise endergonic structure, it include front end cross beam,
End floor beam, intermediate transverse girder, intermediate longitudinal girder and side bar afterwards；
The front end cross beam and rear end floor beam are arranged in parallel, and the both ends of the front end cross beam pass through the side bar and institute respectively
State the both ends connection of rear end floor beam, the both ends of the intermediate longitudinal girder and the inner side of the front end cross beam and the inner side of rear end floor beam
Vertical connection, the intermediate transverse girder is parallel to be arranged between the front end cross beam and rear end floor beam and is connected with the intermediate longitudinal girder,
The both sides of the intermediate longitudinal girder are interval with the energy absorbing tube of multiple settings in parallel, the both ends of the energy absorbing tube respectively with it is described
End floor beam and intermediate transverse girder connection afterwards；The intermediate longitudinal girder and side bar composition level-one endergonic structure, the energy-absorbing are tubular
Into two level endergonic structure, the junction of the energy absorbing tube and intermediate transverse girder is filled with energy-absorbing honeycomb, forms three-level energy-absorbing knot
Structure.
Wherein, the energy absorbing tube uses thin-wall metal square tube.
Wherein, further include connecting cross beam, the connecting cross beam is parallel be arranged on it is described after end floor beam and the intermediate transverse girder it
Between, the inner side of the both ends of the connecting cross beam respectively with the side bar is connected.
Wherein, the energy absorbing tube is connected with the connecting cross beam, the junction of the energy absorbing tube and the connecting cross beam
Filled with energy-absorbing honeycomb.
Wherein, the length for being shorter in length than the rear end floor beam of the front end cross beam, the front end cross beam and the rear end
Crossbeam and the side bar of both sides connect to form isosceles trapezoid frame structure.
Wherein, the intermediate longitudinal girder includes two, and two intermediate longitudinal girders are on the isosceles trapezoid frame structure
Central axis is symmetrical arranged.
Wherein, leave gap between the both ends of the intermediate transverse girder and the corresponding side bar, the front end cross beam it is interior
Corresponded at the position opposite with the energy absorbing tube of side and be equipped with backstop termination, the front end of the intermediate transverse girder and the stop end
Buffer gap is left between head.
Wherein, the side bar and the junction of the front end cross beam and the company of the intermediate longitudinal girder and the front end cross beam
The place of connecing is equipped with induced distortion groove.
Wherein, the energy-absorbing honeycomb is aluminium honeycomb.
The utility model also provides a kind of rail vehicle, it includes stagewise endergonic structure described above.
(3) beneficial effect
Compared with prior art, the utility model has the following advantages：
A kind of stagewise endergonic structure and rail vehicle provided by the utility model, wherein, stagewise endergonic structure includes
Front end cross beam, rear end floor beam, intermediate transverse girder, intermediate longitudinal girder and side bar；The front end cross beam and rear end floor beam are arranged in parallel, described
The both ends of front end cross beam are connected by the side bar with the both ends of the rear end floor beam respectively, the both ends of the intermediate longitudinal girder and institute
State front end cross beam inner side and rear end floor beam inner vertical connection, the intermediate transverse girder it is parallel be arranged on the front end cross beam and
It is connected afterwards between end floor beam and with the intermediate longitudinal girder, the both sides of the intermediate longitudinal girder are interval with multiple settings in parallel
Energy absorbing tube, the both ends of the energy absorbing tube are connected with the rear end floor beam and intermediate transverse girder respectively；The intermediate longitudinal girder with it is described
The plastic compression deformation of side bar forms level-one endergonic structure, and the energy absorbing tube uses thin-wall tubular into two level endergonic structure, described
The junction of energy absorbing tube and intermediate transverse girder is filled with energy-absorbing honeycomb, forms three-level endergonic structure；Can be by varying at different levels
The thickness of thin-wall tube and the intensity of honeycomb change the bulk strength of each level structure, by the way of classification is progressively compressed, from
And gradually reduce impact kinetic energy.Structural strength constantly strengthens, and structural strength is on the weak side when making impact kinetic energy larger, then progressively increases
By force, the security of occupant is protected to greatest extent.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of stagewise endergonic structure of the utility model embodiment；
In figure：1：Front end cross beam；2：End floor beam afterwards；3：Intermediate transverse girder；4：Intermediate longitudinal girder；5：Side bar；6：Connecting cross beam；7：
Energy absorbing tube；8：Energy-absorbing honeycomb；9：Backstop termination；10：Induced distortion groove.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not intended to limit the scope of the present invention.
, it is necessary to explanation in the description of the utility model, term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for description purpose, without being understood that
To indicate or implying relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it is above-mentioned that concrete condition understanding can be regarded
Concrete meaning of the term in the utility model.
In addition, in the description of the utility model, unless otherwise indicated, " multiple ", " more ", " multigroup " are meant that two
A or two or more.
As shown in Figure 1, be the utility model embodiment provide a kind of stagewise endergonic structure, it include front end cross beam 1,
End floor beam 2, intermediate transverse girder 3, intermediate longitudinal girder 4 and side bar 5 afterwards；
The front end cross beam 1 and rear end floor beam 2 are arranged in parallel, and the both ends of the front end cross beam 1 pass through the side bar 5 respectively
With it is described after the both ends of end floor beam 2 be connected, the both ends of rear end floor beam 2 are outward extended with one section, the both ends of the intermediate longitudinal girder 4 and
The inner side of the front end cross beam 1 and the inner vertical connection of rear end floor beam 2, the intermediate transverse girder 3 is parallel to be arranged on the front end
Be connected between crossbeam 1 and rear end floor beam 2 and with the intermediate longitudinal girder 4, the both ends of intermediate transverse girder 3 and the corresponding side bar 5 it
Between leave gap, the both sides of the intermediate longitudinal girder 4 are interval with the energy absorbing tube 7 of multiple settings in parallel, the utility model
In embodiment, the both sides of intermediate longitudinal girder 4 are equidistantly equipped with two energy absorbing tubes 7 respectively, the both ends of the energy absorbing tube 7 respectively with it is described
End floor beam 2 and intermediate transverse girder 3 connect afterwards；The intermediate longitudinal girder 4 and the side bar 5 composition level-one endergonic structure, rely primarily on
The plastic compression deformation of side bar 5 and intermediate longitudinal girder 4, the energy absorbing tube 7 form two level endergonic structure, and energy absorbing tube 7 is using thin-walled gold
Belong to square tube, for two level energy-absorbing, the junction of the energy absorbing tube 7 and intermediate transverse girder 3 is filled with energy-absorbing honeycomb 8, forms three
Level endergonic structure.The overall strong of each level structure can be changed by varying the thickness of thin-wall tubes at different levels and the intensity of honeycomb
Degree, by the way of classification is progressively compressed, so as to gradually reduce impact kinetic energy.Structural strength is on the weak side when making impact kinetic energy larger,
Then progressively strengthen, protect the security of occupant to greatest extent.
For the intensity at end floor beam 2 after strengthening, the utility model further includes the connecting cross beam set close to rear end floor beam 2
6, the connecting cross beam 6 is parallel be arranged on it is described after between end floor beam 2 and the intermediate transverse girder 3, the both ends of the connecting cross beam 6 point
Inner side not with the side bar 5 is connected.
Specifically, the energy absorbing tube 7 is connected with the connecting cross beam 6, the company of the energy absorbing tube 7 and the connecting cross beam 6
The place of connecing is also filled with energy-absorbing honeycomb 8, is specially aluminium honeycomb.
In order to ensure that power level is uniform, the length for being shorter in length than the rear end floor beam 2 of the front end cross beam 1, the front end
Crossbeam 1 is connected to form isosceles trapezoid frame structure with the side bar 5 of the rear end floor beam 2 and both sides, intermediate longitudinal girder 4, side
Beam 5, front end cross beam 1 and rear end floor beam 2 undertake integrally-built supporting role.The first stress of front end cross beam 1, plays guiding function.
Wherein, the intermediate longitudinal girder 4 includes two, and two intermediate longitudinal girders 4 are on the isosceles trapezoid frame structure
Central axis be symmetrical arranged.
In order to strengthen stability, correspond and set at the position opposite with the energy absorbing tube 7 of the inner side of the front end cross beam 1
There is backstop termination 9, buffer gap is left between the front end of the intermediate transverse girder 3 and the backstop termination 9.
Wherein, the side bar 5 and the junction of the front end cross beam 1 and the intermediate longitudinal girder 4 and the front end cross beam 1
Junction be equipped with induced distortion groove 10.Since structure is by the way of energy-absorbing is classified, structure is initial strong after colliding
Degree is smaller, and presets initial induced distortion groove 10, will not produce too big initial spike, while does not interfere with the overall suction of structure
Energy.
The utility model also provides a kind of rail vehicle, it includes stagewise endergonic structure described above, the classification
Formula endergonic structure is arranged on the railway vehicle cab bottom, and often saves at least one end of car bottom.By using classification
Formula endergonic structure, forms the mode that classification is progressively compressed, so as to gradually reduce impact kinetic energy, protects the peace of occupant to greatest extent
Quan Xing.
As can be seen from the above embodiments, the utility model is by the way of energy-absorbing is classified, reach structure bulk strength compared with
Greatly, the initial strength of structure is smaller but after colliding, and default induced distortion groove, will not produce too big initial spike, together
When do not interfere with structure overall energy absorption implementation, energy-absorbing effect is good.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on, should be included in the utility model
Protection domain within.
Claims (10)
- A kind of 1. stagewise endergonic structure, it is characterised in that including front end cross beam, rear end floor beam, intermediate transverse girder, intermediate longitudinal girder and Side bar；The front end cross beam and rear end floor beam are arranged in parallel, the both ends of the front end cross beam respectively by the side bar with it is described after The both ends connection of end floor beam, the both ends of the intermediate longitudinal girder and the inner side of the front end cross beam and the inner vertical of rear end floor beam Connection, the intermediate transverse girder is parallel to be arranged between the front end cross beam and rear end floor beam and is connected with the intermediate longitudinal girder, described The both sides of intermediate longitudinal girder are interval with the energy absorbing tube of multiple settings in parallel, the both ends of the energy absorbing tube respectively with the rear end Crossbeam and intermediate transverse girder connection；The intermediate longitudinal girder forms two with side bar composition level-one endergonic structure, the energy absorbing tube Level endergonic structure, the junction of the energy absorbing tube and intermediate transverse girder are filled with energy-absorbing honeycomb, form three-level endergonic structure.
- 2. stagewise endergonic structure according to claim 1, it is characterised in that the energy absorbing tube uses thin-walled metallic square Pipe.
- 3. stagewise endergonic structure according to claim 1, it is characterised in that further include connecting cross beam, the connection is horizontal Liangping row be arranged on it is described after between end floor beam and the intermediate transverse girder, the both ends of the connecting cross beam respectively with the side bar Side connects.
- 4. stagewise endergonic structure according to claim 3, it is characterised in that the energy absorbing tube connects with the connecting cross beam Connect, the junction of the energy absorbing tube and the connecting cross beam is also filled with energy-absorbing honeycomb.
- 5. stagewise endergonic structure according to claim 1, it is characterised in that being shorter in length than for the front end cross beam is described The length of end floor beam afterwards, the front end cross beam are connected to form isosceles trapezoid frame with the side bar of the rear end floor beam and both sides Frame structure.
- 6. stagewise endergonic structure according to claim 5, it is characterised in that the intermediate longitudinal girder includes two, two The intermediate longitudinal girder is symmetrical arranged on the central axis of the isosceles trapezoid frame structure.
- 7. stagewise endergonic structure according to claim 1, it is characterised in that the both ends of the intermediate transverse girder with it is corresponding Gap is left between the side bar, corresponds and is equipped with only at the position opposite with the energy absorbing tube of the inner side of the front end cross beam Termination is kept off, buffer gap is left between the front end of the intermediate transverse girder and the backstop termination.
- 8. stagewise endergonic structure according to claim 1, it is characterised in that the company of the side bar and the front end cross beam The place of connecing and the junction of the intermediate longitudinal girder and the front end cross beam are equipped with induced distortion groove.
- 9. the stagewise endergonic structure according to claim 1 or 4, it is characterised in that the energy-absorbing honeycomb is aluminium bee Nest structure.
- 10. a kind of rail vehicle, it is characterised in that including such as claim 1-9 any one of them stagewise endergonic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721353428.XU CN207345836U (en) | 2017-10-19 | 2017-10-19 | A kind of stagewise endergonic structure and rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721353428.XU CN207345836U (en) | 2017-10-19 | 2017-10-19 | A kind of stagewise endergonic structure and rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207345836U true CN207345836U (en) | 2018-05-11 |
Family
ID=62355682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721353428.XU Withdrawn - After Issue CN207345836U (en) | 2017-10-19 | 2017-10-19 | A kind of stagewise endergonic structure and rail vehicle |
Country Status (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719406A (en) * | 2017-10-19 | 2018-02-23 | 中车青岛四方机车车辆股份有限公司 | A kind of stagewise endergonic structure and rail vehicle |
| CN109094602A (en) * | 2018-07-27 | 2018-12-28 | 中车唐山机车车辆有限公司 | The drivers' cab Undercarriage structure and rail vehicle of energy-absorbing beam, rail vehicle |
| CN109094588A (en) * | 2018-07-27 | 2018-12-28 | 中车唐山机车车辆有限公司 | The drivers' cab and rail vehicle of rail vehicle |
| WO2020047924A1 (en) * | 2018-09-06 | 2020-03-12 | 中车青岛四方机车车辆股份有限公司 | Collision energy absorption structure and rail vehicle having same |
| JP2020179713A (en) * | 2019-04-23 | 2020-11-05 | 近畿車輌株式会社 | Railway vehicle impact energy absorption structure |
-
2017
- 2017-10-19 CN CN201721353428.XU patent/CN207345836U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719406A (en) * | 2017-10-19 | 2018-02-23 | 中车青岛四方机车车辆股份有限公司 | A kind of stagewise endergonic structure and rail vehicle |
| CN107719406B (en) * | 2017-10-19 | 2023-10-27 | 中车青岛四方机车车辆股份有限公司 | Hierarchical energy-absorbing structure and rail vehicle |
| CN109094602A (en) * | 2018-07-27 | 2018-12-28 | 中车唐山机车车辆有限公司 | The drivers' cab Undercarriage structure and rail vehicle of energy-absorbing beam, rail vehicle |
| CN109094588A (en) * | 2018-07-27 | 2018-12-28 | 中车唐山机车车辆有限公司 | The drivers' cab and rail vehicle of rail vehicle |
| CN109094602B (en) * | 2018-07-27 | 2020-04-28 | 中车唐山机车车辆有限公司 | Energy absorption beam, cab underframe structure of railway vehicle and railway vehicle |
| WO2020047924A1 (en) * | 2018-09-06 | 2020-03-12 | 中车青岛四方机车车辆股份有限公司 | Collision energy absorption structure and rail vehicle having same |
| US11186300B2 (en) | 2018-09-06 | 2021-11-30 | Crrc Qingdao Sifang Co., Ltd. | Collision energy absorption structure and rail vehicle having same |
| JP2020179713A (en) * | 2019-04-23 | 2020-11-05 | 近畿車輌株式会社 | Railway vehicle impact energy absorption structure |
| JP7143244B2 (en) | 2019-04-23 | 2022-09-28 | 近畿車輌株式会社 | Impact energy absorption structure for railway vehicles |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180511 Effective date of abandoning: 20231027 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180511 Effective date of abandoning: 20231027 |