CN205022601U - Anti -creep energy -absorbing device - Google Patents
Anti -creep energy -absorbing device Download PDFInfo
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- CN205022601U CN205022601U CN201520788397.5U CN201520788397U CN205022601U CN 205022601 U CN205022601 U CN 205022601U CN 201520788397 U CN201520788397 U CN 201520788397U CN 205022601 U CN205022601 U CN 205022601U
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Abstract
The utility model relates to a passive safe technical field of rail vehicle especially relates to an anti -creep energy -absorbing device. The utility model discloses an anti -creep energy -absorbing device's anti -creep mechanism and power -absorbing element are connected in order, and the power -absorbing element endotheca is equipped with guiding mechanism, and guiding mechanism and anti -creep mechanism are connected, the cavity of power -absorbing element includes a plurality of multinest units. This anti -creep energy -absorbing device simple structure, can connect on rail vehicle's chassis end beam, when rail vehicle normal operating and braking, do not play the longitudinal force effect of transmitting, only as rail vehicle under certain speed during the emergence collision accident, it absorbs the collision energy just through the power -absorbing element that is equipped with a plurality of multinest units controllable orderly plasticity large deformation to take place, a structure is simple, safety and reliability, and possesses good anti -creep performance, can prevent effectively on stabilizing the basis of absorbed energy that the vehicle from taking place to climb the car phenomenon.
Description
Technical field
The utility model relates to guideway vehicle passive security technical field, particularly relates to a kind of anti-climbing energy-absorbing device.
Background technology
When guideway vehicle has an accident collision, the particularly end collision rift of train, can severe plastic deformation be there is in the structure being knocked vehicle, probably cause passenger's injures and deaths, even sometimes also can there is a train and climb to " overlapping " phenomenon on another train, namely climb car phenomenon, more exacerbate the seriousness of accident, casualty rate is increased.
Therefore, recent domestic is to the crash survivability pay attention to day by day of track traffic, and Crashworthiness of car body design has become the gordian technique must paid attention to when each guideway vehicle new model designs.
At present, in the design of impact resistance body construction, introduce endergonic structure, and the longitudinal rigidity of reasonable arrangement different parts, to ensure when unexpected collision case occurs, controlled orderly inefficacy distortion is produced by the special endergonic structure being attached to vehicle front, absorb and dissipation energy, thus extend the in-service time of knockout process, reduce the plus/minus speed of clashing into and causing, make the main portions of body construction that obvious plastic deformation not occur, for driver and conductor provides necessary living space.
But current existing anti-climbing energy-absorbing device is subject to endergonic structure restriction, when accident collision accident occurs, the distortion that often there is the endergonic structure that it is provided with is uncontrollable, or the intensity of endergonic structure cannot ensure, thus affect energy absorbing and dissipative effect, make the safety of driver and conductor cannot be subject to good guarantee.
Utility model content
(1) technical matters that will solve
The technical problems to be solved in the utility model there is provided a kind of anti-climbing energy-absorbing device, when accident collision accident occurs, the distortion of its power-absorbing be provided with is controlled and orderly, and has larger energy absorption capacity, can effectively prevent vehicle from climbing car phenomenon simultaneously.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of anti-climbing energy-absorbing device, and comprise the anti-creep mechanism and power-absorbing that connect in turn, be set with guiding mechanism in described power-absorbing, described guiding mechanism is connected with anti-creep mechanism; The cavity of described power-absorbing comprises multiple multinest unit.
Wherein, described multinest unit comprises the first energy-absorbing plate, the second energy-absorbing plate and multiple 3rd energy-absorbing plate that are connected with described anti-creep mechanism respectively; Described first energy-absorbing plate is set in outside guiding mechanism, and described second energy-absorbing plate is welded in the first energy-absorbing plate, and multiple described 3rd energy-absorbing plate is welded in the first energy-absorbing plate or the second energy-absorbing plate respectively, or is welded between the first energy-absorbing plate and the second energy-absorbing plate.
Wherein, all by the first energy-absorbing plate welding between multiple described multinest unit, and multiple described multinest unit is symmetrical arranged with the center shaft of described power-absorbing.
Wherein, the one end near described anti-creep mechanism on described first energy-absorbing plate is also provided with one or more off-load hole.
Wherein, described first energy-absorbing plate and the second energy-absorbing plate are welded into polygonized structure, and multiple described 3rd energy-absorbing plate is welded into polygonized structure with the first energy-absorbing plate and/or the second energy-absorbing plate respectively.
Wherein, the thickness of described first energy-absorbing plate, the second energy-absorbing plate and the 3rd energy-absorbing plate is equal, and described thickness range is 3mm ~ 6mm.
Wherein, also comprise mount pad, described mount pad is welded on the one end away from anti-creep mechanism on power-absorbing, and described guiding mechanism is set in described power-absorbing by described mount pad.
Wherein, described guiding mechanism across structure.
Wherein, multiple described multinest unit forms certain intervals with Guiding machine respectively and arranges.
Wherein, the interval of multiple described multinest unit respectively and between guiding mechanism is 8mm ~ 16mm.
(3) beneficial effect
Technique scheme of the present utility model has following beneficial effect: the anti-creep mechanism of anti-climbing energy-absorbing device of the present utility model is connected in turn with power-absorbing, is set with guiding mechanism in power-absorbing, and guiding mechanism is connected with anti-creep mechanism; The cavity of power-absorbing comprises multiple multinest unit.This anti-climbing energy-absorbing device structure is simple, can be connected on the end beam of underframe thereof of guideway vehicle, when guideway vehicle normally runs and brakes, do not play and transmit longitudinal force effect, only have when guideway vehicle crashes under certain speed, there is controlled orderly METHOD FOR LARGE DEFORMATION ELASTOPLASTIC and absorb collision energy in the power-absorbing just by being provided with multiple multinest unit, its structure is simple, safe and reliable, and possess excellent anti-creep performance, can on the basis of stable absorption energy, effectively prevent vehicle from climbing car phenomenon.
Accompanying drawing explanation
Fig. 1 is the shaft side figure of the anti-climbing energy-absorbing device of the utility model embodiment;
Fig. 2 is the front elevation of the anti-climbing energy-absorbing device of the utility model embodiment;
Fig. 3 is that the A of Fig. 2 is to cutaway view.
Wherein, 1, anti-creep mechanism; 2, power-absorbing; 21, the first energy-absorbing plate; 22, the second energy-absorbing plate; 23, the 3rd energy-absorbing plate; 3, mount pad; 4, guiding mechanism.
Detailed description of the invention
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but can not be used for limiting scope of the present utility model.
In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.Term " on ", D score, "left", "right", " interior ", " outward ", " front end ", " rear end ", " head ", the orientation of the instruction such as " afterbody " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. only for describing object, and can not be interpreted as instruction or hint relative importance.
As shown in Figure 1 and Figure 2, anti-climbing energy-absorbing device structure described in the present embodiment is simple, and can be connected on the end beam of underframe thereof of guideway vehicle, the anti-creep mechanism 1 on this anti-climbing energy-absorbing device is connected in turn with power-absorbing 2, be set with guiding mechanism 4 in power-absorbing 2, guiding mechanism 4 is connected with anti-creep mechanism 1; The cavity of power-absorbing 2 comprises multiple multinest unit, the multinest unit of multiple assembly welding makes the cavity body structure of power-absorbing 2 firm, when guideway vehicle normally runs and brakes, do not play and transmit longitudinal force effect, only having when guideway vehicle crashes under certain speed, there is controlled orderly METHOD FOR LARGE DEFORMATION ELASTOPLASTIC and absorbs collision energy in the power-absorbing just by being provided with multiple multinest unit; Meanwhile, anti-climbing energy-absorbing device is provided with the anti-creep mechanism 1 possessing excellent anti-creep performance, can on the basis of stable absorption energy, effectively prevents vehicle from climbing car phenomenon.
As shown in Figure 3, the first energy-absorbing plate 21, second energy-absorbing plate 22 of multinest unit is connected with anti-creep mechanism 1 respectively with multiple 3rd energy-absorbing plate 23, first energy-absorbing plate 21 is set in outside guiding mechanism 4, second energy-absorbing plate 22 is welded in the first energy-absorbing plate 21, multiple 3rd energy-absorbing plate 23 is welded in the first energy-absorbing plate 21 or the second energy-absorbing plate 22 respectively, or be welded between the first energy-absorbing plate 21 and the second energy-absorbing plate 22, by welding the 3rd energy-absorbing plate 23, make the bending place of the first energy-absorbing plate 21 and the second energy-absorbing plate 22, and first the structure of junction of energy-absorbing plate 21 and the second energy-absorbing plate 22 more firm, when guideway vehicle normally runs and brakes, do not play and transmit longitudinal force effect, when a collision occurs, the conquassation distortion of power-absorbing 2 is the controlled plastic deformation of steady ordered.
All welded by the first energy-absorbing plate 21 between multiple multinest unit, being connected by multiple multinest unit assembly welding makes the external structure of power-absorbing 2 form a gengon, preferred formation one cross section is foursquare cuboid, multiple multinest unit is symmetrical arranged along the center shaft of power-absorbing 2, during to guarantee that collision occurs, the absorption energy that power-absorbing 2 energy is balanced, the deformation of multiple multinest unit is all identical, effectively avoids power-absorbing 2 that the distortion out of control of unnecessary transverse direction occurs.
In the present embodiment, first energy-absorbing plate 21 and the second energy-absorbing plate 22 are welded into polygonized structure, multiple 3rd energy-absorbing plate 23 is welded into polygonized structure with the first energy-absorbing plate 21 and/or the second energy-absorbing plate 22 respectively, thus make to form polygonized structure between the first energy-absorbing plate 21 and the second energy-absorbing plate 22, 3rd energy-absorbing plate 23 and the first energy-absorbing plate 21 and the second energy-absorbing plate 22 are combined into another polygonized structure be nested in by the polygonized structure formed between the first energy-absorbing plate 21 and the second energy-absorbing plate 22, meanwhile, stable triangular structure is also constituted between 3rd energy-absorbing plate 23 and the first energy-absorbing plate 21 and/or the second energy-absorbing plate 22, and it is reliable in order to ensure the Stability Analysis of Structures of multinest unit, 3rd energy-absorbing plate 23 symmetrical is welded on the first energy-absorbing plate 21 and/or the second energy-absorbing plate 22, to guarantee that multinest unit inside is a stable centrosymmetric structure.
Due to the core component that power-absorbing 2 is these anti-climbing energy-absorbing devices, its energy absorption depends on intensity and the thickness of the first energy-absorbing plate 21, second energy-absorbing plate 22 and the 3rd energy-absorbing plate 23, preferably the first energy-absorbing plate 21, second energy-absorbing plate 22 and the 3rd energy-absorbing plate 23 are carbon steel section bar, its thickness is equal, and thickness range requires to be preferably 3mm ~ 6mm according to the end energy absorption of guideway vehicle.
Conquassation distortion in order to ensure power-absorbing 2 is steady ordered, for the consideration reducing anti-climbing energy-absorbing device intensity, certain off-load defect can be precast in side near anti-creep mechanism 1 in the external structure of power-absorbing 2, in the present embodiment, one end preferably near anti-creep mechanism 1 on the first energy-absorbing plate 21 is provided with one or more off-load holes (not shown), off-load hole is preferably circular hole or square hole, is arranged at the bending place of the first energy-absorbing plate 21.
For the ease of this anti-climbing energy-absorbing device is arranged on the end beam of underframe thereof of guideway vehicle, this anti-climbing energy-absorbing device is also provided with mount pad 3, mount pad 3 is welded on the one end away from anti-creep mechanism 1 on power-absorbing 2, and guiding mechanism 4 is set in power-absorbing 2 by mount pad 3; Preferred mount pad 3 is provided with eight bolts hole, and anti-climbing energy-absorbing device is fastenedly connected on the end beam of underframe thereof of guideway vehicle by the mode be bolted.
Mount pad 3 is provided with the pilot hole identical with the cross sectional shape of guiding mechanism 4, guiding mechanism 4 is sleeved in power-absorbing 2 through after pilot hole, when a collision occurs, pilot hole provides fixed guide effect for guiding mechanism 4, because colliding violent, not controlled dislocation deformation occurs to avoid guiding mechanism 4.
The guiding mechanism 4 across structure of the present embodiment, thus enable guiding mechanism 4 be sleeved on power-absorbing 2 inner time large area cover the multinest unit of contact power-absorbing 2, make guiding mechanism 4 have better firm support performance.
In order to ensure the safe and reliable of this anti-climbing energy-absorbing device, the material of preferred anti-creep mechanism 1, power-absorbing 2, mount pad 3 and guiding mechanism 4 is carbon steel; In order to not affect the directional tagging of guiding mechanism 4, multiple multinest unit in the power-absorbing 2 of the present embodiment are arranged with becoming certain intervals between guiding mechanism 4 respectively, and the pilot hole of mount pad 3 is also arranged with becoming certain intervals between guiding mechanism 4, interval is preferably 8mm ~ 16mm.
The anti-creep mechanism 1 of the anti-climbing energy-absorbing device of the present embodiment is connected in turn with power-absorbing 2, is set with guiding mechanism 4 in power-absorbing 2, and guiding mechanism 4 is connected with anti-creep mechanism 1; The cavity of power-absorbing 2 comprises four multinest unit altogether.
Multinest unit is formed by carbon steel section bar bending assembly welding, in each multinest unit, by the bending to weld formation one cross section be foursquare structure respectively of the first energy-absorbing plate 21 and the second energy-absorbing plate 22, by four the 3rd energy-absorbing plates 23 oblique bending part being welded on the first energy-absorbing plate 21 and the second energy-absorbing plate 22 respectively, and first junction of energy-absorbing plate 21 and the second energy-absorbing plate 22, thus make multinest unit form a cross section for the embedded hexagonal structure of square, the 3rd energy-absorbing plate 23 in this structure forms stable triangular structure again respectively and between the first energy-absorbing plate 21 and/or the second energy-absorbing plate 22, and be centrosymmetricly distributed in the corner place that the cross section be made up of the first energy-absorbing plate 21 and the second energy-absorbing plate 22 is foursquare structure, make this multinest block construction more reliable and more stable, also be welded to one another by the first energy-absorbing plate 21 between four multinest unit, thus four multinest unit are connected into there is a stable cross section structure, the outside of this cross section structure is square, and inner corner place is respectively by the embedded hexagonal Structure composing of square, between each multinest unit, being also reserved with the crisscrossing channels for being set with guiding mechanism 4, and guaranteeing that each multinest unit is all arranged with becoming certain intervals between guiding mechanism 4.
Guiding mechanism 4 through after the guide hole on mount pad 3 and the passage in power-absorbing 2, is welded in anti-creep mechanism 1, is also provided with anti-climbing tooth in anti-creep mechanism 1 side outwardly, can effectively prevent train from climbing car phenomenon in turn; Guide hole on mount pad 3 is set to criss-cross, and arranges with becoming certain intervals between guiding mechanism 4; Mount pad 3 is provided with eight bolts hole, anti-climbing energy-absorbing device is fastenedly connected on the end beam of underframe thereof of guideway vehicle by the mode be bolted.
When a collision occurs, anti-creep mechanism 1 and opposing train clash into, power-absorbing 2 is owing to being provided with structure that is stable, balanced, the multiple multinest unit of failure-free, enable its withstand shocks power time there is the controlled deformation of steady ordered, and guiding mechanism Support cover most of structure of power-absorbing 2, thus make this guiding mechanism 4 play good directional tagging to the power-absorbing 2 clashed into, guarantee that the deformation of power-absorbing 2 is controlled.
In sum, the anti-creep mechanism 1 of the anti-climbing energy-absorbing device of the present embodiment is connected in turn with power-absorbing 2, is set with guiding mechanism 4 in power-absorbing 2, and guiding mechanism 4 is connected with anti-creep mechanism 1; The cavity of power-absorbing 2 comprises multiple multinest unit.This anti-climbing energy-absorbing device structure is simple, can be connected on the end beam of underframe thereof of guideway vehicle, when guideway vehicle normally runs and brakes, do not play and transmit longitudinal force effect, only have when guideway vehicle crashes under certain speed, just by the power-absorbing 2 being provided with multiple multinest unit, controlled orderly METHOD FOR LARGE DEFORMATION ELASTOPLASTIC occurring absorbs collision energy, its structure is simple, safe and reliable, and possess excellent anti-creep performance, can on the basis of stable absorption energy, effectively prevent vehicle from climbing car phenomenon.
Embodiment of the present utility model provides for the purpose of example and description, and is not exhaustively or by the utility model be limited to disclosed form.Many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present utility model and practical application are better described, and enables those of ordinary skill in the art understand the utility model thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (10)
1. an anti-climbing energy-absorbing device, it is characterized in that, comprise the anti-creep mechanism (1) and power-absorbing (2) that connect in turn, be set with guiding mechanism (4) in described power-absorbing (2), described guiding mechanism (4) is connected with anti-creep mechanism (1); The cavity of described power-absorbing (2) comprises multiple multinest unit.
2. anti-climbing energy-absorbing device according to claim 1, it is characterized in that, described multinest unit comprises the first energy-absorbing plate (21), the second energy-absorbing plate (22) and multiple 3rd energy-absorbing plate (23) that are connected with described anti-creep mechanism (1) respectively; Described first energy-absorbing plate (21) is set in guiding mechanism (4) outward, described second energy-absorbing plate (22) is welded in the first energy-absorbing plate (21), multiple described 3rd energy-absorbing plate (23) is welded in the first energy-absorbing plate (21) or the second energy-absorbing plate (22) respectively, or is welded between the first energy-absorbing plate (21) and the second energy-absorbing plate (22).
3. anti-climbing energy-absorbing device according to claim 2, it is characterized in that, all by the first energy-absorbing plate (21) welding between multiple described multinest unit, and multiple described multinest unit is symmetrical arranged with the center shaft of described power-absorbing (2).
4. anti-climbing energy-absorbing device according to claim 2, is characterized in that, the upper one end near described anti-creep mechanism (1) of described first energy-absorbing plate (21) is also provided with one or more off-load hole.
5. anti-climbing energy-absorbing device according to claim 2, it is characterized in that, described first energy-absorbing plate (21) and the second energy-absorbing plate (22) are welded into polygonized structure, and multiple described 3rd energy-absorbing plate (23) is welded into polygonized structure with the first energy-absorbing plate (21) and/or the second energy-absorbing plate (22) respectively.
6. the anti-climbing energy-absorbing device according to any one of claim 2-5, it is characterized in that, the thickness of described first energy-absorbing plate (21), the second energy-absorbing plate (22) and the 3rd energy-absorbing plate (23) is equal, and described thickness range is 3mm ~ 6mm.
7. anti-climbing energy-absorbing device according to claim 1, it is characterized in that, also comprise mount pad (3), described mount pad (3) is welded on the one end away from anti-creep mechanism (1) on power-absorbing (2), and described guiding mechanism (4) is set in described power-absorbing (2) by described mount pad (3).
8. anti-climbing energy-absorbing device according to claim 1, is characterized in that, described guiding mechanism (4) across structure.
9. anti-climbing energy-absorbing device according to claim 1, is characterized in that, multiple described multinest unit becomes certain intervals to arrange with guiding mechanism (4) respectively.
10. anti-climbing energy-absorbing device according to claim 9, is characterized in that, the interval of multiple described multinest unit respectively and between guiding mechanism (4) is 8mm ~ 16mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520788397.5U CN205022601U (en) | 2015-10-13 | 2015-10-13 | Anti -creep energy -absorbing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520788397.5U CN205022601U (en) | 2015-10-13 | 2015-10-13 | Anti -creep energy -absorbing device |
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| CN205022601U true CN205022601U (en) | 2016-02-10 |
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| CN201520788397.5U Active CN205022601U (en) | 2015-10-13 | 2015-10-13 | Anti -creep energy -absorbing device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106956685A (en) * | 2017-05-03 | 2017-07-18 | 西南交通大学 | A kind of energy-absorbing anti-creep device |
| CN112109758A (en) * | 2020-09-16 | 2020-12-22 | 中车株洲电力机车有限公司 | Rail vehicle anti-collision system and method |
| CN112622974A (en) * | 2021-01-06 | 2021-04-09 | 郑州铁路职业技术学院 | Railway anti-climbing energy-absorbing device capable of resisting deviation extrusion force |
| CN113173193A (en) * | 2021-04-19 | 2021-07-27 | 中车青岛四方车辆研究所有限公司 | Anti-creep energy-absorbing device |
| CN113335331A (en) * | 2021-06-25 | 2021-09-03 | 中车唐山机车车辆有限公司 | Energy absorption device and rail vehicle |
| CN114312896A (en) * | 2021-12-23 | 2022-04-12 | 中车株洲电力机车有限公司 | Energy absorption structure of railway vehicle |
| CN114572267A (en) * | 2022-03-25 | 2022-06-03 | 中车株洲电力机车有限公司 | Energy absorption structure of railway vehicle |
-
2015
- 2015-10-13 CN CN201520788397.5U patent/CN205022601U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106956685A (en) * | 2017-05-03 | 2017-07-18 | 西南交通大学 | A kind of energy-absorbing anti-creep device |
| CN112109758A (en) * | 2020-09-16 | 2020-12-22 | 中车株洲电力机车有限公司 | Rail vehicle anti-collision system and method |
| CN112622974A (en) * | 2021-01-06 | 2021-04-09 | 郑州铁路职业技术学院 | Railway anti-climbing energy-absorbing device capable of resisting deviation extrusion force |
| CN113173193A (en) * | 2021-04-19 | 2021-07-27 | 中车青岛四方车辆研究所有限公司 | Anti-creep energy-absorbing device |
| CN113173193B (en) * | 2021-04-19 | 2023-03-31 | 中车青岛四方车辆研究所有限公司 | Anti-creep energy-absorbing device |
| CN113335331A (en) * | 2021-06-25 | 2021-09-03 | 中车唐山机车车辆有限公司 | Energy absorption device and rail vehicle |
| CN114312896A (en) * | 2021-12-23 | 2022-04-12 | 中车株洲电力机车有限公司 | Energy absorption structure of railway vehicle |
| CN114572267A (en) * | 2022-03-25 | 2022-06-03 | 中车株洲电力机车有限公司 | Energy absorption structure of railway vehicle |
| CN114572267B (en) * | 2022-03-25 | 2023-10-13 | 中车株洲电力机车有限公司 | Energy absorbing structure of railway vehicle |
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Address after: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |