WO2017063600A1 - 伸缩式轨道车辆碰撞吸能装置 - Google Patents
伸缩式轨道车辆碰撞吸能装置 Download PDFInfo
- Publication number
- WO2017063600A1 WO2017063600A1 PCT/CN2016/102231 CN2016102231W WO2017063600A1 WO 2017063600 A1 WO2017063600 A1 WO 2017063600A1 CN 2016102231 W CN2016102231 W CN 2016102231W WO 2017063600 A1 WO2017063600 A1 WO 2017063600A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pipe member
- energy absorbing
- double
- absorbing device
- cutter
- Prior art date
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000010521 absorption reaction Methods 0.000 claims abstract description 16
- 238000003860 storage Methods 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims description 22
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G11/00—Buffers
- B61G11/16—Buffers absorbing shocks by permanent deformation of buffer element
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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
- B61F19/04—Bumpers or like collision guards
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
- B61D15/06—Buffer cars; Arrangements or construction of railway vehicles for protecting them in case of collisions
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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
- B61F99/00—Subject matter not provided for in other groups of this subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/12—Vibration-dampers; Shock-absorbers using plastic deformation of members
- F16F7/125—Units with a telescopic-like action as one member moves into, or out of a second member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/12—Vibration-dampers; Shock-absorbers using plastic deformation of members
- F16F7/127—Vibration-dampers; Shock-absorbers using plastic deformation of members by a blade element cutting or tearing into a quantity of material; Pultrusion of a filling material
Definitions
- the invention belongs to the field of passive safety protection of rail vehicles, and particularly relates to an energy absorbing device in a vehicle collision.
- the cutting-type energy absorbing device of the invention patent track locomotive vehicle with the publication number CN102107664A proposes a cutting type energy absorbing device, which is fixed by the cutting test piece, and the cutter head is located on the arbor. When the arbor is subjected to collision, the cutting of the cutter head is cut. The pieces absorb energy.
- the cutting type energy absorbing device of the above-mentioned rolling stock adopts cutting energy absorption, and is exposed outside the energy absorbing device before the energy absorbing structure is deformed, occupies the external space, but the shank will invade the inside of the energy absorbing device after the deformation, so the structure has no residual deformation and is fully utilized.
- the deformation stroke
- the present invention provides a telescopic rail vehicle collision energy absorbing device.
- the energy absorbing element is usually hidden inside the energy absorbing device and does not occupy the external space.
- the energy absorbing structure that rapidly protrudes adopts the cutting energy absorbing energy. And can all return to the inside of the energy absorbing device, no residual deformation, all utilize the effective deformation stroke.
- the present invention provides a special purpose for the occurrence of a rail vehicle.
- the telescopic rail vehicle collision cutting energy absorbing device during collision is hidden inside the vehicle during normal running of the train, and does not affect the appearance of the vehicle.
- the energy absorbing structure of the energy absorbing device can quickly extend. The energy is absorbed, and the energy absorbing structure has no residual deformation at the time of collision, and the deformation stroke can be fully utilized.
- the existing locomotive vehicles adopt a crushing energy absorbing structure fixed on the outer end of the vehicle, which affects the aesthetic appearance of the vehicle.
- the crushing energy absorbing structure produces residual deformation that will affect the energy absorbing capacity of the structure.
- there is a telescopic energy absorbing structure it does not affect the aesthetics of the vehicle at ordinary times, but it also adopts a crushing energy absorbing structure, which will leave residual deformation, which affects the energy absorbing ability of the entire structure.
- the telescopic rail vehicle collision cutting energy absorbing device proposed by the invention has the energy absorbing structure hidden in the interior of the vehicle at ordinary times, does not affect the aesthetic appearance of the vehicle, and can protrude enough length without collision and fully utilizes in the collision. Its deformation stroke effectively improves the energy absorption capacity of the structure.
- a telescopic rail vehicle collision energy absorbing device comprises a first pipe member, a second pipe member telescopically retractable inside the first pipe member; the first pipe member is mounted with a cutting mechanism for cutting the outer wall of the second pipe member;
- the energy device comprises a telescopic mechanism, and the telescopic mechanism is connected to the second pipe member through the first pipe member;
- the telescopic mechanism When the energy absorbing device is in a non-operating state, the telescopic mechanism pulls the second pipe member to retract inside the first pipe member; and when the vehicle is in a state before the collision, the telescopic mechanism pushes the second pipe member under the action of high-pressure air Ejecting outwardly, the cutting mechanism is pressed against the positioning groove of the second pipe member by a spring force, and the cutting mechanism is cut when the second pipe member is retracted into the first pipe member by an external force.
- the second pipe member absorbs energy, so that after the collision of the energy-absorbing round pipe, only the energy-absorbing structure is replaced during the repair, and the entire device is not required to be replaced, and the energy-absorbing structure can generate stable longitudinal deformation when subjected to a certain vertical or lateral force. And move longitudinally along the guide cylinder.
- the telescopic mechanism is driven by a double-acting cylinder drive, a double-acting hydraulic cylinder or driven by a motor driven rack.
- the telescopic mechanism When the telescopic mechanism is driven by a double-acting cylinder, the telescopic mechanism comprises a double-acting cylinder, a double-acting solenoid valve, a gas storage tank and a controller; in the non-operating state, the controller triggers a double action
- the 2-position end of the solenoid valve causes the high-pressure air in the gas tank to inflate the 2-position end of the double-acting cylinder through the gas path, so that the double-acting cylinder is in a tension state, and the second pipe member is pulled back to the first Inside the pipe;
- the controller when the vehicle is in a state before the collision, the controller triggers the 1-position end of the double-acting solenoid valve, so that the high-pressure air in the gas tank inflates the 1-position end of the double-acting cylinder through the gas path,
- the double-acting cylinder pushes the second pipe member outwardly under the action of high-pressure air.
- the cutting mechanism comprises a cutter and a cutter seat; in the non-operating state, the cutting mechanism is pressed on the outer wall of the second pipe by a cutter; and is mounted on the cutter in a state before the collision of the vehicle
- the tool on the seat can be rotated and disengaged from the second pipe member, so that the tool is pressed against the positioning groove of the second pipe member which is ejected outward by the spring force.
- the cutting mechanism further comprises a tool fixing block, a bolt, a torsion spring and a pin, wherein the tool and the tool fixing block are connected by a pin, and the pin hole of the tool fixing block has a counterbore, and the torsion spring is sleeved On the pin, one end of the torsion spring is connected to the tool, and one end is connected to the tool fixing block, and the tool is pressed against the second pipe member by the spring force of the torsion spring; the tool fixing block is fixed to the tool holder by bolts.
- the cutter is rotated and disengaged from the second tubular member by using a pull ring or using a cylinder under the cutter; the pull ring is mounted on the cutter, and the cutter is pulled by the pull ring to separate the cutter from the second tubular member, the cutter
- the tool on the seat can be rotated and removed from the energy absorbing structure and can be replaced in the event of damage.
- the first pipe member comprises a guiding cylinder
- the guiding cylinder is a hollow circular tube
- one end of the guiding cylinder is provided with a first flange portion, and is fixed to the cutter seat by the first flange portion.
- the other end is attached to the base of the energy absorbing device by a fastener.
- the inner end of the second pipe member is provided with a second flange portion
- the cutter seat is provided with a third flange portion that is sleeved in the first pipe member, and the second flange portion is
- the inner wall of the first pipe member is gap-fitted and is limited by the third flange portion.
- the outer end of the second tubular member is provided with anti-climbing teeth, the inner end of which is sleeved in the inner cavity of the first tubular member, and the positioning groove is opened on the outer wall in the second tubular member.
- the energy absorbing device is provided with two sets, and two sets of energy absorbing devices are respectively installed on both sides of the end portion of the rail vehicle.
- the utility model has the beneficial effects that the telescopic rail vehicle collision energy absorbing device is hidden inside the vehicle body when no action occurs, and does not affect the overall beauty of the vehicle; when the collision occurs, the energy absorption can quickly protrude and the large deformation occurs. Absorbing energy, it can fully utilize the deformation stroke of the structure to absorb energy, protect the safety of vehicles and passengers, and can also retract into the interior of the vehicle when the structure is triggered by mistake. At the same time, the device has a simple structure, is easy to replace after damage, and can realize automatic control.
- Figure 1 is a schematic view of the structure of the present invention.
- Figure 2 is a schematic view showing the installation of the cutter structure of the present invention.
- Figure 3 is a plan view of the present invention.
- Figure 4 is a cross-sectional view taken along line A - A of Figure 3;
- Figure 5 is a schematic diagram of the principle of the present invention in a non-operating state.
- Figure 6 is a schematic diagram of the principle of the present invention in an operating state.
- the utility model relates to a telescopic rail vehicle collision energy absorbing device, which is composed of two separate mechanisms, which are respectively installed on both sides of the vehicle end.
- the mechanical structure of the energy absorbing device comprises an anti-climbing tooth 1, an energy absorbing round tube 2, a pull ring 3, a cutter 4, a cutter fixing block 5, a mounting seat 6, a tool holder 7, and a guiding cylinder.
- the double-acting cylinder 9, the rear seat 10, the bolt 11, the torsion spring 12 and the pin 13 are composed.
- the energy absorbing device is mounted on the vehicle body through the mounting seat 6.
- the mounting seat 6 is fixed to the vehicle body by bolts, and can be separately manufactured according to different types of vehicle body structures, or can be pre-installed on the vehicle at the time of vehicle manufacture.
- the base of the double-acting cylinder 9 is bolted to the vehicle body, and the double-acting cylinder 9 can also be a double-acting hydraulic cylinder or driven by a motor-driven rack.
- the tool 4 and the tool fixing block 5 are connected by a pin 13.
- the tool fixing block 5 has a counterbore on one side of the pin hole, and the torsion spring 12 is sleeved on the pin 13.
- One end of the torsion spring 12 is connected to the tool 4, and one end is connected to the tool fixing block 5. .
- the tool mounting structure is fixed to the seat by bolts 11, and the tool 4 is tightly pressed against the outer wall of the energy absorbing tube 2 by the spring force of the torsion spring 12.
- the cutter 4 is provided with a pull ring 3, and when the energy absorption round tube 2 or the double-acting cylinder 9 is pulled to pull the energy absorption round tube 2 to the inside of the guide cylinder 8, the cutter 4 can be pulled by the pull ring 3 to make the energy absorption round tube 2 and The cutter 4 is separated. It is also possible to install the cylinder jacking tool 4 under the cutter 4 to separate the energy absorption tube 2 from the cutter 4, and the cutter 4 mounted on the tool holder 7 can be rotated and disengaged from the energy absorbing structure, and can be replaced in the event of damage.
- the mounting seat 6 is connected to the tool holder 7 by bolts 16.
- One end of the guiding cylinder 8 is welded to the tool holder 7, and the other end is connected to the base 10 by bolts 17.
- the piston end of the double-acting cylinder 9 is connected to the anti-climbing tooth 1 via a pin 15.
- the suction tube 2 is matched with the inner hole of the cutter holder 7, and the anti-climbing tooth 1 is installed at the front end, and the rear end boss is matched with the inner space of the guide cylinder 8, and the suction tube 2 can be moved in the longitudinal direction.
- the energy absorbing tube 2 and the guiding barrel 8 may be circular or of other shapes, but with a clearance fit therebetween.
- the control system of the energy absorbing device is composed of a double-acting solenoid valve 18, a controller 19, and a gas storage tank 20 to make.
- the high-pressure air existing in the vehicle is used as the source power
- the controller 19 triggers the 2-position end of the double-acting solenoid valve 18, and the high-pressure air in the air tank 20 passes through the air path to the double-acting cylinder 9
- the two-position end is inflated, so that the double-acting cylinder 9 is in a tensile state, and the suction-absorbing circular tube 2 is hidden inside the guiding cylinder 8, and the cutter 4 is pressed against the outer wall of the energy-absorbing circular tube 2.
- the controller 19 triggers the 1-position end of the double-acting solenoid valve 18, and the high-pressure air in the air tank 20 inflates the 1-position end of the double-acting cylinder 9 through the air passage.
- the double-acting cylinder 9 pushes the energy-absorbing circular tube 2 outwardly under the action of high-pressure air, and the cutter 4 is pressed against the positioning groove 14 of the energy-absorbing circular tube 2 by the torsion spring 12, and the energy-absorbing round tube 2 receives an external force.
- the cutter 4 cuts the suction tube 2 to absorb the collision momentum.
- the energy absorbing device can be mounted on a rail vehicle, driven by the vehicle's own high-pressure air, or mounted on other tools that require energy absorption, but requires additional high-pressure air.
- the energy absorbing device may have a sensor mounted on the vehicle to realize automatic control of the entire structure, or manual control.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Vibration Dampers (AREA)
Abstract
Description
Claims (10)
- 一种伸缩式轨道车辆碰撞吸能装置,包括第一管件、可在第一管件内部伸缩的第二管件;所述第一管件上安装有可用于切削第二管件外壁的切削机构;其特征在于,所述吸能装置包括一伸缩机构,所述伸缩机构穿过所述第一管件与所述第二管件连接;所述吸能装置在非工作状态时,所述伸缩机构拉动所述第二管件缩回到第一管件内部;在车辆发生碰撞前状态时,所述伸缩机构在高压空气作用下推动第二管件向外弹出,所述切削机构在弹簧力的作用下压在所述第二管件的定位槽上,当所述第二管件受到外力向所述第一管件内退缩时,所述切削机构切削第二管件吸收能量。
- 根据权利要求1所述的伸缩式轨道车辆碰撞吸能装置,其特征在于,所述伸缩机构采用双作用式气缸驱动、双作用式液压缸驱动或者采用电机带动齿条形式驱动;所述伸缩机构采用双作用式气缸驱动时,所述伸缩机构包括双作用式气缸、双作用式电磁阀、储气罐和控制器;在所述非工作状态时,所述控制器触发双作用式电磁阀的2位端,使储气罐中的高压空气通过气路给双作用式气缸的2位端充气,使双作用式气缸为拉力状态,拉动所述第二管件缩回到第一管件内部;在车辆发生碰撞前的状态时,所述控制器触发双作用式电磁阀的1位端,使储气罐中的高压空气通过气路给双作用式气缸的1位端充气,所述双作用式气缸在高压空气作用下推动第二管件向外弹出。
- 根据权利要求1所述的伸缩式轨道车辆碰撞吸能装置,其特征在于,所述切削机构包括刀具和刀具座;在所述非工作状态时,所述切削机构通过刀具压在所述第二管件的外壁上;在车辆发生碰撞前状态时,安装在刀具座上的刀具能够转动并脱离第二管件,使刀具在弹簧力的作用下重新压在向外弹出的第二管件的定位槽上。
- 根据权利要求3所述的伸缩式轨道车辆碰撞吸能装置,其特征在于,所述切削机构还包括刀具固定块、螺栓、扭力弹簧和销,所述刀具与刀具固定块通过销连接,刀具固定块的销孔一侧开有沉孔,所述扭力弹簧套在销上,扭力弹簧一端与刀具连接,一端与刀具固定块连接,所述刀具通过扭力弹簧的弹簧力压在第二管件上;所述刀具固定块通过螺栓固定在刀具座上。
- 根据权利要求4所述的伸缩式轨道车辆碰撞吸能装置,其特征在于,通过使用拉环或使用刀具下的气缸顶起使所述刀具转动并脱离第二管件;所述拉环安装在刀具上,通过拉环拉动刀具可使刀具和第二管件分离。
- 根据权利要求3所述的伸缩式轨道车辆碰撞吸能装置,其特征在于,所述第一管件包括导向筒,所述导向筒为一空心圆管,所述导向筒的一端设置第一凸缘部,并通过该第一凸缘部固接在刀具座上,另一端通过紧固件连接在吸能装置的底座上。
- 根据权利要求6所述的伸缩式轨道车辆碰撞吸能装置,其特征在于,所述第二管件的 内端设置有第二凸缘部,所述刀具座上设置有套接在所述第一管件内的第三凸缘部,所述第二凸缘部与所述第一管件内壁间隙配合,并通过所述第三凸缘部限位。
- 根据权利要求1-7中任一项所述的伸缩式轨道车辆碰撞吸能装置,其特征在于,所述第二管件的外端设有防爬齿,其内端套接在所述第一管件的内腔中,所述定位槽开设在第二管件内端的外壁上。
- 一种轨道车辆,其特征在于,其上装设有权利要求1-8中任一项所述的伸缩式轨道车辆碰撞吸能装置,所述吸能装置安装在由自身的高压空气驱动的轨道车辆上或者安装在其他需要吸能的需要额外提供高压空气的工具上;所述吸能装置由轨道车辆上安装的传感器来实现其自动控制或采用手动控制。
- 根据权利要求9所述的轨道车辆,其特征在于,所述吸能装置设有两套,且两套吸能装置分别安装在轨道车辆端部的两侧。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16854975.6A EP3199420B1 (en) | 2015-10-16 | 2016-10-15 | Telescopic energy-absorbing device for rail vehicle collisions |
RU2017117514A RU2667998C1 (ru) | 2015-10-16 | 2016-10-15 | Телескопическое устройство, поглощающее энергию при столкновении на железнодорожном транспорте |
US15/520,391 US10279822B2 (en) | 2015-10-16 | 2016-10-15 | Telescopic type collision energy absorption device for rail vehicle |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510666711.7 | 2015-10-16 | ||
CN201510666711.7A CN105292164B (zh) | 2015-10-16 | 2015-10-16 | 伸缩式轨道车辆碰撞吸能装置 |
Publications (1)
Publication Number | Publication Date |
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WO2017063600A1 true WO2017063600A1 (zh) | 2017-04-20 |
Family
ID=55190178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2016/102231 WO2017063600A1 (zh) | 2015-10-16 | 2016-10-15 | 伸缩式轨道车辆碰撞吸能装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10279822B2 (zh) |
EP (1) | EP3199420B1 (zh) |
CN (1) | CN105292164B (zh) |
RU (1) | RU2667998C1 (zh) |
WO (1) | WO2017063600A1 (zh) |
Cited By (1)
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CN111845830A (zh) * | 2020-08-25 | 2020-10-30 | 中车青岛四方车辆研究所有限公司 | 列车被动碰撞吸能装置及轨道列车 |
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CN105644579B (zh) | 2016-03-01 | 2018-08-28 | 中南大学 | 一种轨道车辆用碰撞吸能装置 |
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CN106494450A (zh) * | 2016-12-26 | 2017-03-15 | 深圳市乾行达科技有限公司 | 一种可快速维护的吸能装置 |
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CN106994982B (zh) * | 2017-04-27 | 2018-12-25 | 西南交通大学 | 一种充压式吸能装置 |
DE102018101043A1 (de) * | 2017-08-11 | 2019-02-14 | Axtone S.A. | Gelenkanordnung, Konusgewindering, Verfahren zur Herstellung einer bei Überlast lösbaren Befestigung eines Schneidwerkzeuges sowie Verfahren zur Energieumwandlung mittels einer Gelenkanordnung |
CN109017859A (zh) * | 2018-06-27 | 2018-12-18 | 中车株洲电力机车有限公司 | 一种动车组车辆及其主吸能器装置 |
CN108860206B (zh) * | 2018-09-22 | 2019-05-28 | 中南大学 | 一种可重复使用的轨道车辆用碰撞吸能装置 |
EP3778343B1 (en) * | 2018-09-22 | 2023-08-09 | Central South University | Reusable collision energy absorption device for rail vehicle |
CN109050569B (zh) * | 2018-09-30 | 2023-12-22 | 西南交通大学 | 一种轨道车辆多级吸能装置 |
CN109263678B (zh) * | 2018-10-12 | 2019-10-29 | 大连理工大学 | 一种新型的轨道车辆吸能装置 |
AT521684B1 (de) * | 2018-11-26 | 2020-04-15 | Siemens Mobility Austria Gmbh | Aufkletterschutzeinrichtung für ein Schienenfahrzeug |
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EP3199420A1 (en) | 2017-08-02 |
EP3199420A4 (en) | 2018-01-17 |
RU2667998C1 (ru) | 2018-09-25 |
CN105292164A (zh) | 2016-02-03 |
US20180208219A1 (en) | 2018-07-26 |
CN105292164B (zh) | 2017-11-14 |
EP3199420B1 (en) | 2021-03-17 |
US10279822B2 (en) | 2019-05-07 |
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