CN104527704A - Railway vehicle and head vehicle barrier-removing device thereof - Google Patents
Railway vehicle and head vehicle barrier-removing device thereof Download PDFInfo
- Publication number
- CN104527704A CN104527704A CN201410778086.0A CN201410778086A CN104527704A CN 104527704 A CN104527704 A CN 104527704A CN 201410778086 A CN201410778086 A CN 201410778086A CN 104527704 A CN104527704 A CN 104527704A
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- China
- Prior art keywords
- longeron
- end framework
- junction
- car
- obstacle deflector
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F19/00—Wheel guards; Bumpers; Obstruction removers or the like
- B61F19/06—Nets, catchers, or the like for catching obstacles or removing them from the track
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/02—Construction details of vehicle bodies reducing air resistance by modifying contour ; Constructional features for fast vehicles sustaining sudden variations of atmospheric pressure, e.g. when crossing in tunnels
Abstract
The invention provides a railway vehicle and a head vehicle barrier-removing device thereof. The head vehicle barrier-removing device comprises a flow guide plate, a front end framework and longitudinal beams, the front end framework is mounted at the front end of the inner side surface of the flow guide plate, the longitudinal beams are disposed on two sides of the inner side surface of the flow guide plate, two ends of the front end framework are connected with the longitudinal beams on the two sides respectively, and the rigidity of connecting positions between the longitudinal beams and the front end framework is smaller than that of any position of the longitudinal beams and the front end framework. When barriers are cleaned or train collision occurs, if the collision force that is exerted on the barrier-removing device exceeds the maximum load value that the barrier-removing device can tolerate, large extruding deformation can occur at the connecting positions between the front end framework and the longitudinal beams, the front end of the flow guide plate can gradually backwards retract, then space is provided for an energy absorption part that is mounted at the front end of a head vehicle so that the energy absorption part can effectively absorb collision energy, finally, the vehicle passive safety is improved, and severe safety accidents such as vehicle climbing or derailing can be avoided.
Description
Technical field
The present invention relates to technical field of vehicle safety, particularly relate to a kind of guideway vehicle and head car obstacle deflector thereof.
Background technology
At present, along with guideway vehicle overall trip speed progressively promotes, the design of train passive security more and more comes into one's own.Wherein, for ensureing the normal traffic safety of train, often obstacle deflector is set at the head front bottom of vehicle of the rapids such as EMU, to remove the obstacle on track.
At present, in the traditional design process of obstacle deflector, often only consider that it removes the ability of obstacle in orbital plane, therefore, when carrying out troubleshooting structure design for friction speed grade train, the lower limit of people to its troubleshooting ability all explicitly calls for, and to its higher limit require and indefinite.But, when track obstacle is excessive or two trains collide, if guideway vehicle head car front end obstacle deflector rigidity excessive (be born maximum load power excessive), a vertical characteristics of car front end section rigidity can be caused unbalance, reduce the energy absorption characteristics of motor train unit front end endergonic structure, and then increase train climbs car, derailing equivalent risk.Therefore, the rigidity of structure of correct car front end pilot is needed to control, to improve the safety of train operation.
Therefore, how to design a kind of head car obstacle deflector of guideway vehicle, to improve the safety of train operation, when avoiding crashing because obstacle deflector hinder and cannot effectively absorbing impact energy cause climb car, derail equivalent risk, be the technical matters that those skilled in the art need solution at present badly.
Summary of the invention
The object of this invention is to provide a kind of guideway vehicle and head car obstacle deflector thereof, when crashing, obstacle deflector can in time after move, to be the energy absorbing component Free up Memory of head car, ensure the energy absorption characteristics of energy absorbing component, and then improve the passive satety of vehicle, prevent to climb the safety misadventure such as car or derailing.
For solving the problems of the technologies described above, the invention provides a kind of head car obstacle deflector of guideway vehicle, comprise deflecting plate and the front end framework being installed on described deflecting plate medial surface front end, and be installed on the longeron of described deflecting plate medial surface both sides, the two ends of described front end framework are connected with the described longeron of both sides respectively, and the rigidity of the junction of described longeron and described front end framework is less than the rigidity of described longeron and described front end framework any place.
Head car obstacle deflector of the present invention, carries out the Weakening treatment of rigidity, to form deformable structure in both junctions to the junction of front end framework and longeron; When cleaning obstacle or train collides, if the impact that obstacle deflector bears exceedes its maximum load value that can bear, the junction of front end framework and longeron just can produce larger crimp, make the front end of deflecting plate progressively backward indent, and then for being arranged on the energy absorbing component Free up Memory of a car front end, to ensure that energy absorbing component effectively absorbs the energy of shock, the final passive satety improving vehicle, avoids climbing the serious accident such as car or derailing.
Alternatively, described front end framework and described longeron form by sheet material assembly welding, and the thickness of the sheet material of described junction is less than the thickness of described longeron and described front end framework any place sheet material.
Alternatively, the lateral dimension of the sheet material of described junction is less than the lateral dimension of described longeron and described front end framework any place sheet material.
Alternatively, the junction of described longeron and described front end framework adopts rigidity to be less than the material of described longeron and described front end framework.
Alternatively, the front end of described longeron offers through hole, so that its front end is connected with described front end framework and forms described junction.
Alternatively, the V-shaped setting of described deflecting plate, described front end framework is the fan-shaped end face being welded on described deflecting plate.
Alternatively, the front end of described deflecting plate is connected with troubleshooting plate, and both sides are connected with troubleshooting rubber.
Alternatively, the rear end of described longeron is connected with crossbeam, and described crossbeam is provided with the first connecting bore for being connected with the car body of head car.
Alternatively, the end face of described longeron is provided with connection flap seat, and described connection flap seat is provided with the second connecting bore for being connected with the underframe of head car.
The present invention also provides a kind of guideway vehicle, comprises the head car obstacle deflector described in above-mentioned any one.
Because guideway vehicle of the present invention has the head car obstacle deflector described in above-mentioned any one, therefore the technique effect that the head car obstacle deflector described in above-mentioned any one produces all is applicable to guideway vehicle of the present invention, repeats no more herein.
Accompanying drawing explanation
Fig. 1 is the perspective view of head car obstacle deflector in a kind of detailed description of the invention of guideway vehicle provided by the present invention;
Fig. 2 is the birds-eye view of the car of head shown in Fig. 1 obstacle deflector.
In Fig. 1-2:
Deflecting plate 1, front end framework 2, longeron 3, junction 4, troubleshooting plate 5, troubleshooting rubber 6, crossbeam 7, first connecting bore 71, connection flap seat 8, second connecting bore 81, troubleshooting rubber clamping plate 9
Detailed description of the invention
Core of the present invention is to provide a kind of guideway vehicle and head car obstacle deflector thereof, when crashing, obstacle deflector can in time after move, to be the energy absorbing component Free up Memory of head car, ensure the energy absorption characteristics of energy absorbing component, and then improve the passive satety of vehicle, prevent to climb the safety misadventure such as car or derailing.
Guideway vehicle is typically provided with a car obstacle deflector, to remove the obstacle on track, ensures the normal traffic safety of train.Below in conjunction with the drawings and specific embodiments, head car obstacle deflector of the present invention is specifically described, so that those skilled in the art understand the present invention more exactly.
For ease of describing, adopt cardinal points conventional in train to define direction herein, to be parallel to the direction of train operation for longitudinal direction, in the vertical, the direction being in train operation ahead is front, after the direction being in current of traffic rear is; Being parallel in orbital plane, the direction perpendicular to longitudinal direction is laterally, in the horizontal, sees along current of traffic, and the direction being in left side, for left, is in the direction on right side for right; Direction perpendicular to orbital plane is vertical, and on vertical, under the direction of orbital plane is, the direction away from orbital plane is upper.
The invention provides a kind of head car obstacle deflector of guideway vehicle, mainly comprise deflecting plate 1 and the inner skeleton being supported on deflecting plate 1 inside.Deflecting plate 1 can be similar to " V " shape on the whole and arrange, and the radian of its profile and head car driver's cab matches, to be installed on bottom driver's cab; The flap that the both sides of deflecting plate 1 can intersect at an angle by two is spliced, and centre can be connected by arc, to form the plate of similar V-arrangement on the whole; Deflecting plate 1 has the function of air conducting, with the aerodynamic performance that satisfied head car is good, and has certain troubleshooting ability, to remove the obstacle on track.
Wherein, inner skeleton comprises front end framework 2 and longeron 3, is supported in the inside of deflecting plate 1, forms the supporting construction of whole head car obstacle deflector.Front end framework 2 refers to the skeleton being connected to deflecting plate 1 medial surface front end, with the front end of supporting guide plate 1; Longeron 3 is connected to the both sides of deflecting plate 1 medial surface, substantially along the longitudinal extension of car body, namely extends on the length direction of whole deflecting plate 1 from front to back, with the both sides of supporting guide plate 1.The two side ends of described front end framework 2 is connected with the longeron 3 of its homonymy respectively, and front end framework 2 carries out the Weakening treatment of rigidity with the junction 4 of longeron 3, and namely the rigidity of described junction 4 is less than the rigidity at the arbitrary place of any one in described front end framework 2 and longeron 3; When colliding, the principle of distortion is first produced according to the little place of rigidity, crimp will inevitably be produced in described junction 4, and then move and indentation after making front end framework 2, for the energy absorbing component Free up Memory of head car front end, effectively to absorb energy, avoid energy not caused by absorbing and climb the safety misadventure such as car or derailing.
Energy absorbing component on described head car comprises energy-absorbing anti-creeper, thin-walled energy absorbing members etc., usually be arranged on the airtight wall of driver's cab front end, or be arranged in driver's cab and be on other plate bodys in same longitudinal vertical plane with the crossbeam 7 (vide infra about the description of crossbeam 7) of obstacle deflector.
Meanwhile, in a kind of connection mode of head car obstacle deflector, its rear end can be connected with the airtight wall of driver's cab; Now, energy absorbing component on head car is just some or all of is in a top for car obstacle deflector, the stroke space required when carrying out energy-absorbing process due to energy absorbing component is larger, if the rigidity of head car obstacle deflector is excessive, then may affect the energy absorption characteristics of energy absorbing component, and then effectively cannot absorb crash energy, finally cause climbing the safety misadventure such as car or derailing.
For above-mentioned situation, " reduction " that the present invention has carried out rigidity in longeron 3 and the junction 4 of front end framework 2 processes, and on the one hand, longeron 3 and front end framework 2 can keep larger rigidity, with the requirement of strength of satisfied cleaning obstacle, meet the troubleshooting requirement of obstacle deflector; On the other hand, when method runs into larger obstacle or train collision occurs, if the load that obstacle deflector bears is greater than its maximum load, front end framework 2 just can move " directionally " behind junction 4, be equivalent to a front end of car obstacle deflector backward indent, and then the space of front portion is discharged, form the part that energy absorbing component is used for the stroke space of energy-absorbing, so that energy absorbing component effectively absorbs crash energy, avoid energy excessive and the serious accident such as car or derailing is climbed in initiation.
Described junction 4 refers to specifically can refer to the certain area diffuseed to form by both connecting portions, as shown in part A in Fig. 2 in the position that longeron 3 is connected with front end framework 2.
In detail, the mode realizing junction 4 rigidity " reduction " is various, such as, can improve the scantling of structure of junction 4, version and material properties etc., so that by the stiffness equivalent of junction 4 to the rigidity being less than longeron 3 and front end framework 2 any place, described junction 4 is equivalent to the variant part forming " pre-setting ", when the load that obstacle deflector bears exceedes the maximum load that it can bear, just distortion can be produced in described junction 4, moving behind the front end of whole obstacle deflector, is energy absorbing component Free up Memory.
In a kind of detailed description of the invention, the scantling of structure of junction 4 can be changed, to realize " reduction " of rigidity.
As depicted in figs. 1 and 2, front end framework 2 and longeron 3 all can adopt sheet material assembly welding to form, the thickness of sheet material that then junction 4 adopts can be less than any place in longeron 3 and front end framework 2 and adopt the thickness of sheet material, namely the sheet material of junction 4 is processed, to make its lower thickness, and then reduce its rigidity, improve its flexibility, to be formed " weak ring " in junction 4.When car obstacle deflector is subject to super large impact loading, just can produce distortion in junction 4 right overhead.Obviously, it will be understood by those skilled in the art that " the weak ring " of described junction 4 is that one is figuratively bright, not represent that junction 4 exists the insecure position of connection really, but say that whole junction 4 is relatively easily deformable, its rigidity is more weak; But the rigidity of junction 4 still can ensure to clean the small-scale obstacle thing on track, just little relative to the rigidity of longeron 3 and front end framework 2.
Meanwhile, the lateral dimension of described junction 4 can also be reduced, namely make the lateral dimension of junction 4 sheet material be less than the lateral dimension of longeron 3 and front end framework 2 any place sheet material, by junction 4 " narrowing ", to reduce the rigidity of junction 4.
Visible, can adjust the various scantling of structure of junction 4, especially the size of its thickness and width can be utilized, " thinner " is arranged in junction 4 and the connecting panel of " narrower ", the position that then this junction 4 self-assembling formation rigidity is less, when load is excessive, just can produce distortion in junction 4, be energy absorbing component Free up Memory.
Be appreciated that the change according to above-mentioned thickness and lateral dimension, those skilled in the art can adjust other scantling of structure of junction 4 completely under the inspiration of technique scheme, to reduce its rigidity, improve its flexibility.
In another kind of detailed description of the invention, can also change the version of junction 4, to reduce its rigidity.Such as, can offer through hole in the front end of longeron 3, the part then offering through hole with it is connected with front end framework 2, then the position that longeron 3 is connected with front end framework 2 forms described junction 4.Due to the existence of above-mentioned this hollow part of through hole, when the given volume shared by junction 4, the junction 4 with hollow part must be less than the junction 4 of entity structure on integral rigidity, thus above-mentioned through hole the rigidity that can weaken junction 4 is set.
Particularly, longeron 3 is set to bathtub construction usually, and namely comprise two side plates at an angle to each other, one of them side plate is generally used for being weldingly fixed on deflecting plate 1, another side plate can extend substantially in the horizontal, then described through hole can be arranged on another side plate; Now, described through hole can be the through hole of up/down perforation, namely runs through another side plate described.Certainly, longeron 3 also may adopt other versions, and now, the through direction of described through hole may change to some extent, therefore is not limited to the through hole of above-mentioned up/down perforation.
Be further appreciated that those skilled in the art can select on front end framework 2 and/or longeron 3, to arrange the structures such as through hole, to reduce the rigidity of junction 4 completely as required, in other words, the setting position of through hole is not limit, and can be the optional position of junction 4, be not limited to longeron 3.Obviously, the optional position of described junction 4 refers to and does not comprise the optional position that front end framework 2 or longeron 3 are connected the miscellaneous part be connected with both, namely do not comprise deflecting plate 1.Certainly on longeron 3, offer through hole more easily to realize, and processing accuracy more easily ensures.
The version of through hole can be various, and such as, through hole can be in longitudinal slotted hole for length direction, or the hole of other shapes.The version of slotted hole not only can play the effect of the rigidity weakening junction 4, can also reduce the impact on longeron 3 as far as possible, reduce the impact of correct car obstacle deflector in-use performance to greatest extent.
In the technical scheme of above-mentioned through hole, those skilled in the art can be subject to related Revelation completely, and improve the structure of the sheet material that junction 4 adopts, such as, the sheet material of junction 4 can be set to the structures such as hollow sheeting, to reduce the rigidity of junction 4.
In another detailed description of the invention, junction 4 of the present invention can also adopt special material to make, namely junction 4 can adopt the material different with longeron 3 from front end framework 2 to make, with the rigidity making the rigidity of junction 4 to be less than in front end framework 2 and longeron 3 any one, the material properties namely by changing junction 4 reduces its rigidity.Such as, the rigidity such as aluminium can be adopted less for junction 4 and the material with certain flexibility is made, and front end framework 2 and longeron 3 can adopt structure steel material, so that it has certain rigidity, meet the demand of cleaning obstacle.
Obviously, those skilled in the art also can adopt other materials to make described junction 4, with the rigidity making its rigidity be less than longeron 3 and front end framework 2.
On the basis of the above, deflecting plate 1 of the present invention can global approximation V-arrangement, as depicted in figs. 1 and 2; Meanwhile, front end framework 2 can be set to similar fan-shaped structure, and is welded on the end face of deflecting plate 1, corresponding with the tip region of deflecting plate 1V shape structure.Certainly, deflecting plate 1 is approximate V-arrangement on the whole, but its head is not set to tip-shape, but be connected smoothly with certain radian, thus match with the radian of head car driver's cab, therefore, the front end framework 2 being welded on deflecting plate 1 medial surface top can be set to fan-shaped, to match with deflecting plate 1.In addition, for ease of connecting and using, front end framework 2 tilts from front to back obliquely, vertically effectively can to support whole the front end of deflecting plate 1 on the one hand, the underframe of correct car can not produce and conflict on the other hand.
Further, the present invention also comprises troubleshooting plate 5 and troubleshooting rubber 6, and troubleshooting plate 5 is arranged on the front end of deflecting plate 1, and troubleshooting rubber 6 is arranged on the both sides of deflecting plate 1, as depicted in figs. 1 and 2.
Troubleshooting plate 5 and troubleshooting rubber 6 can be fixed by bolts on deflecting plate 1 by structures such as slotted holes, or adopt other detouchable attaching partss to realize the installation of troubleshooting plate 5 and troubleshooting rubber 6, to adjust the height apart from orbital plane, it is consistent in car operation process with orbital plane height.
Wherein, troubleshooting rubber 6 is stretched out downwards by deflecting plate 1 usually, for realizing the installation of troubleshooting rubber 6, can weld troubleshooting rubber clamping plate 9 on the both sides inner face of deflecting plate 1, being then connected on troubleshooting rubber clamping plate 9 by troubleshooting rubber 6 bolt, as depicted in figs. 1 and 2.
Further, head car obstacle deflector of the present invention can also comprise crossbeam 7, and crossbeam 7 is arranged on the rear end of longeron 3, and is connected with the longeron 3 of both sides respectively with its two ends, crossbeam 7 can be offered the first connecting bore 71, to realize the connection between the car body of head car by the first connecting bore 71.
Crossbeam 7 can be formed by sheet material assembly welding, specifically can be set to L shape structure, namely by two boards material at an angle cross weld form, or be bent to form the structure of similar L shape by an entire plate.The two ends of crossbeam 7 are welded with the longeron 3 of both sides respectively, so that it is fixedly connected on an afterbody for car obstacle deflector; First connecting bore 71 can be set on the end face that crossbeam 7 is in rear side, to be connected with the car body of head car, be specifically as follows the airtight wall of driver's cab front end.
Moreover, can also arrange at the end face of longeron 3 and connect flap seat 8, then the second connecting bore 81 is set on connection flap seat 8, to be connected with the underframe of head car by the second connecting bore 81, be specifically as follows the hanging side bar of underframe, so that by whole head car obstacle deflector hanging in the lower end of underframe.
Meanwhile, the airtight wall of driver's cab is fixed in the rear end of head car obstacle deflector by the first connecting bore 71 on crossbeam 7, then whole head car obstacle deflector is fixed, and can resist horizontal, longitudinal and vertical various impact loads.
Wherein, described first, second only in order to distinguish the different parts of identical or similar structures, do not represent to certain order restriction.
Certainly, those skilled in the art can select other connection mode to realize the location of head car obstacle deflector according to installation requirements completely, are not limited to aforesaid way, can improve herein, do not repeat them here according to prior art.
Present invention also offers a kind of guideway vehicle, specifically comprise above-mentioned head car obstacle deflector, to obtain the technique effect that above-mentioned head car obstacle deflector can produce.
It should be noted that, the kind of guideway vehicle is more, and the head car parts of various guideway vehicle are comparatively numerous and diverse, and the structure of each parts is comparatively complicated, only be described in detail with its car obstacle deflector herein, other are not use up part with reference to prior art, please repeat no more herein.
Above guideway vehicle provided by the present invention and head car obstacle deflector thereof are described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands core concept of the present invention for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (10)
1. the head car obstacle deflector of a guideway vehicle, comprise deflecting plate (1) and be installed on the front end framework (2) of described deflecting plate (1) medial surface front end, and be installed on the longeron (3) of described deflecting plate (1) medial surface both sides, the two ends of described front end framework (2) are connected with the described longeron (3) of both sides respectively, it is characterized in that, described longeron (3) is less than the rigidity of described longeron (3) and described front end framework (2) any place with the rigidity of the junction (4) of described front end framework (2).
2. as claimed in claim 1 car obstacle deflector, it is characterized in that, described front end framework (2) and described longeron (3) form by sheet material assembly welding, and the thickness of the sheet material of described junction (4) is less than the thickness of described longeron (3) and described front end framework (2) any place sheet material.
3. as claimed in claim 2 car obstacle deflector, is characterized in that, the lateral dimension of the sheet material of described junction (4) is less than the lateral dimension of described longeron (3) and described front end framework (2) any place sheet material.
4. as claimed in claim 1 car obstacle deflector, it is characterized in that, the junction (4) of described longeron (3) and described front end framework (2) adopts rigidity to be less than the material of described longeron (3) and described front end framework (2).
5. as claimed in claim 1 car obstacle deflector, is characterized in that, the front end of described longeron (3) offers through hole, so that its front end is connected with described front end framework (2) and forms described junction (4).
6. the head car obstacle deflector as described in any one of claim 1-5, is characterized in that, described deflecting plate (1) V-shaped setting, and described front end framework (2) is in the fan-shaped end face being welded on described deflecting plate (1).
7. as claimed in claim 6 car obstacle deflector, is characterized in that, the front end of described deflecting plate (1) is connected with troubleshooting plate (5), and both sides are connected with troubleshooting rubber (6).
8. as claimed in claim 6 car obstacle deflector, it is characterized in that, the rear end of described longeron (3) is connected with crossbeam (7), and described crossbeam (7) is provided with the first connecting bore (71) for being connected with the car body of head car.
9. as claimed in claim 8 car obstacle deflector, it is characterized in that, the end face of described longeron (3) is provided with and connects flap seat (8), and described connection flap seat (8) is provided with the second connecting bore (81) for being connected with the underframe of head car.
10. a guideway vehicle, is characterized in that, comprises the head car obstacle deflector described in any one of the claims 1-9.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410778086.0A CN104527704B (en) | 2014-12-15 | 2014-12-15 | A kind of rail vehicle and its head car obstacle deflector |
| US15/325,533 US9889864B2 (en) | 2014-12-15 | 2015-11-05 | Railway vehicle and head vehicle barrier-removing device thereof |
| PCT/CN2015/093870 WO2016095624A1 (en) | 2014-12-15 | 2015-11-05 | Railway vehicle and head vehicle barrier-removing device thereof |
| GB1700544.8A GB2542729B (en) | 2014-12-15 | 2015-11-05 | Railway vehicle and head vehicle barrier-removing device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410778086.0A CN104527704B (en) | 2014-12-15 | 2014-12-15 | A kind of rail vehicle and its head car obstacle deflector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104527704A true CN104527704A (en) | 2015-04-22 |
| CN104527704B CN104527704B (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410778086.0A Active CN104527704B (en) | 2014-12-15 | 2014-12-15 | A kind of rail vehicle and its head car obstacle deflector |
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| CN (1) | CN104527704B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105109512A (en) * | 2015-07-01 | 2015-12-02 | 南车青岛四方机车车辆股份有限公司 | Rail vehicle and head-car barrier removal piece thereof |
| CN105292165A (en) * | 2015-11-04 | 2016-02-03 | 南车资阳机车有限公司 | Streamline cowcatcher of locomotive and locomotive |
| WO2016095624A1 (en) * | 2014-12-15 | 2016-06-23 | 中车青岛四方机车车辆股份有限公司 | Railway vehicle and head vehicle barrier-removing device thereof |
| CN106627647A (en) * | 2017-02-23 | 2017-05-10 | 青岛四机宏达工贸有限公司 | Barrier-removing device for lightweight rail vehicle |
| CN109664911A (en) * | 2019-01-14 | 2019-04-23 | 中车青岛四方机车车辆股份有限公司 | A kind of EMU obstacle deflector |
| CN113085939A (en) * | 2021-05-06 | 2021-07-09 | 中车青岛四方机车车辆股份有限公司 | Obstacle removing device and rail vehicle |
| CN113147821A (en) * | 2021-05-31 | 2021-07-23 | 中车青岛四方机车车辆股份有限公司 | Obstacle removing device, vehicle body and rail vehicle |
| CN113844477A (en) * | 2021-10-13 | 2021-12-28 | 中车大连机车车辆有限公司 | Intercity car front end component mounting structure |
| CN116424382A (en) * | 2023-05-11 | 2023-07-14 | 西南交通大学 | Rail guard with passive safety protection function after derailment of train |
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Address after: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Applicant after: CRRC QINGDAO SIFANG CO., LTD. Address before: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Applicant before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
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