WO2019096109A1 - Dispositif d'absorption d'énergie pour véhicule de métro - Google Patents

Dispositif d'absorption d'énergie pour véhicule de métro Download PDF

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Publication number
WO2019096109A1
WO2019096109A1 PCT/CN2018/115153 CN2018115153W WO2019096109A1 WO 2019096109 A1 WO2019096109 A1 WO 2019096109A1 CN 2018115153 W CN2018115153 W CN 2018115153W WO 2019096109 A1 WO2019096109 A1 WO 2019096109A1
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WO
WIPO (PCT)
Prior art keywords
energy absorbing
climbing device
fixed
mold half
collision
Prior art date
Application number
PCT/CN2018/115153
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English (en)
Chinese (zh)
Inventor
骆起
刘洪涛
王科飞
方子文
王剑然
洪海峰
于青松
Original Assignee
中车长春轨道客车股份有限公司
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Filing date
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Application filed by 中车长春轨道客车股份有限公司 filed Critical 中车长春轨道客车股份有限公司
Priority to US16/477,819 priority Critical patent/US20200122752A1/en
Publication of WO2019096109A1 publication Critical patent/WO2019096109A1/fr

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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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00—Construction details of vehicle bodies
    • B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/06—End walls
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance

Definitions

  • the present invention relates to the field of anti-collision and energy absorbing devices for rail vehicle head vehicles, and in particular to a front end energy absorbing device for a metro vehicle.
  • the front end of the head vehicle of a rail vehicle is usually provided with an anti-collision energy absorbing device.
  • the existing subway vehicles with energy absorbing devices usually adopt a structural form in which the vehicle body underframe structure and the energy absorbing device are integrated.
  • the above structural form integrates the energy absorbing device and the vehicle body underframe.
  • the energy absorbing device of the vehicle body bears the impact impulse together with the vehicle body chassis, and absorbs the absorption into the deformation internal energy.
  • the structure of the car body underframe and the energy absorbing device are irreversibly deformed and destroyed. Even in low-speed collisions, the car body undercarriage is no longer replaceable and maintainable. That is to say, a minor collision will result in overhaul or scrapping of the vehicle. Therefore, the structural form of the old car body underframe structure and the energy absorbing device integrated design has been unable to meet the new requirements of the vehicle procurement user for vehicle safety and maintainability.
  • the first stage energy absorbing device can be replaced or repaired to meet the requirements of the user.
  • the present invention provides a subway Energy absorbing device for the vehicle.
  • the device comprises: a movable anti-climbing device, a fixed anti-climbing device, an energy-absorbing honeycomb, at least one crushing tube, two chute assemblies, and two guiding slide rails, wherein the middle portion of the fixed anti-climbing device is provided a front-opening receiving cavity, the energy-absorbing honeycomb is embedded in the receiving cavity, and a rear end of the movable anti-climbing device is connected with a front end of the fixed anti-climbing device through two movable anti-climbing long bolts, and The rear end surface of the movable anti-climbing device causes the energy absorbing honeycomb to be caught in the receiving cavity of the fixed anti-climbing device; the at least one crushing tube is vertically fixed to the rear end of the fixed anti-climbing device;
  • the two chute assemblies are symmetrically fixed to the outer side walls of the left and right ends of the fixed anti-climbing device; the two guiding slide rails are arranged in parallel at the left and right ends of the fixed anti-
  • the movable anti-climbing device comprises three flat plates, two side vertical plates, and one neutral plate, wherein the three flat plates are arranged parallel to each other to form a flat plate group, and the left and right ends of the flat plate group are respectively Securely connected to a corresponding side riser; the middle of the three flat plates are provided with rectangular through grooves, and the neutral plates sequentially pass through the respective rectangular through grooves of the three flat plates and are integrated with the three flat plates Solid.
  • the front ends of the three flat plates are provided with at least one row of through holes.
  • the fixed anti-climbing device comprises: a left anti-collision box, a right anti-collision box, located between the left anti-collision box and the right anti-collision box and configured to fix the left anti-collision box a rear cavity of the receiving cavity at the rear of the opposite side walls of the body and the right anti-collision box, a receiving upper cover, a receiving lower cover, and two chute fixing seats;
  • the inside of the left anti-collision box and the right anti-collision box are respectively provided with a plurality of reinforcing ribs disposed along the longitudinal direction of the vehicle body; the left anti-collision box and the right anti-collision box are symmetrically disposed;
  • the left and right ends of the accommodating chamber lower cover are respectively welded to the lower edges of the left side fixed anti-climbing anti-collision box and the opposite side wall of the right-side fixed anti-climbing anti-collision box, the accommodating a rear end of the lower cover plate supports
  • the upper surfaces of the left collision preventing box and the right collision preventing box are respectively provided with a mounting hole for mounting a front end frame of the head vehicle of the subway vehicle, and the energy absorbing unit is located at the In front of the front end frame, the at least one crushing tube is located behind the front end frame, and the two guiding rails are fixed to the body frame of the head vehicle of the subway vehicle.
  • a part of the movable anti-climbing device is inserted into the accommodating cavity and a front end of the movable anti-climbing device protrudes from the accommodating cavity, so that the energy absorbing honeycomb is passed through a rear end surface of the movable anti-climbing device Completely enclosed within the receiving cavity of the fixed anti-climbing device.
  • the movable anti-climbing device, the energy-absorbing honeycomb, the fixed anti-climbing device, and the impact strength of the at least one crushing pipe are sequentially weakened in the following order: the fixed anti-climbing device, the A movable anti-climbing device, the at least one crush tube, the energy absorbing honeycomb.
  • each of the two chute assemblies comprises: an upper mold half, a lower mold half, and a plurality of chute connecting bolts, wherein the upper mold half includes an upper mold half chute portion and an upper mold half butt portion
  • the upper mold half abutting portion is provided with a plurality of thread blind holes
  • the upper mold half chute portion is an inverted right angle step type structure
  • the upper mold half is opposite to the left collision preventing box or the right
  • the lateral outer side wall of the anti-collision box is fixedly connected;
  • the upper surface of the upper mold half is fixedly connected with the chute fixing seat disposed on the lateral outer side wall of the left anti-collision box or the right anti-collision box;
  • the lower mold half includes a lower mold half groove portion and a lower mold half abutting portion, the lower mold half abutting portion is provided with a plurality of threaded through holes, and the lower mold half chute portion is a right angle stepped structure;
  • the thickness of the boss of each of the two guiding slides is gradually reduced from front to back to form a wedge-shaped track, and the chute is slided from the front to the rear into the guiding rail.
  • the gap between the assembly and the guide rail gradually increases.
  • the triggering force of the at least one crush tube is at least 1.3 times the triggering force of the energy absorbing unit, and the maximum absorbed energy of the at least one crush tube is at least the maximum absorbed energy of the energy absorbing unit. 5 times.
  • the invention also discloses a method for installing an energy absorbing device of the subway vehicle, wherein:
  • Step 1 the rear ends of the two guiding rails and the rear end of the at least one crushing pipe are respectively fixed to the chassis of the vehicle body,
  • Step 2 inserting the energy absorbing honeycomb into the accommodating cavity of the anti-climbing device with the internal honeycomb cavity facing the longitudinal direction of the vehicle body.
  • Step 3 inserting a rear end of the movable anti-climbing device into a receiving cavity of the fixed anti-climbing device, and a front end of the movable anti-climbing device protrudes from the receiving cavity
  • step 4 the movable anti-climbing device is movably connected to the fixed anti-climbing device by two movable anti-climbing device long bolts.
  • the beneficial effects of the present invention are: when the energy absorbing device of the subway vehicle is subjected to a relatively small foreign object impact, the impacting foreign matter is first brought into contact with the movable anti-climbing device, and since the active anti-climbing device has a high structural strength, it is not It will be deformed by the impact, so it cannot absorb the impact energy in a large amount, and it only transmits the collision energy to the energy absorbing cell behind it.
  • the energy absorbing cell is the first stage energy absorbing buffer device in the overall structure of the present invention, which directly bears the impact impact force transmitted by the movable anti-climbing device, and is subjected to compression deformation and collision by the energy absorbing cell itself.
  • the fixed anti-climbing device is the main bearing structure in the whole energy absorbing device, and accommodates the energy absorbing honeycomb and provides directional support thereto.
  • the front end of the accommodating cavity does not have an end cover, which facilitates the replacement and maintenance of the energy absorbing honeycomb.
  • Two movable anti-climbing long bolts are arranged longitudinally on the fixed anti-climbing device to ensure that the movable anti-climbing device can only move backwards and cannot move forward. When disassembling the movable anti-climbing device, it is necessary to disassemble two Long anti-climbing bolts.
  • the fixed anti-climbing device also transmits a portion of the collision kinetic energy back to at least one crush tube disposed at the rear end thereof.
  • the crush tube will act as the second-stage energy absorption buffer device, and start the synchronous crushing and damping action to further absorb the collision energy, thereby realizing the vehicle body chassis. Further cushioning protection and ensuring that the impact energy can be sequentially operated in a multi-stage and sequential manner according to a predetermined direction and order in the event of a collision, thereby ensuring the reliability of the action of the energy absorbing device.
  • the two guide rails ensure that the fixed anti-climbing device is synchronized with the two crushing tubes and backwards in the longitudinal direction of the vehicle body, thereby avoiding the bending and failure of one of the crushing tubes due to the unsynchronized force.
  • the device also greatly improves the accuracy of energy absorption of the vehicle by adopting the design of the energy absorbing element and the split structure of the vehicle body structure, and can greatly reduce the maintenance cost of the energy absorbing device for the vehicle user.
  • the energy absorbing device of the subway vehicle of the present invention has the advantages of simple and practical structure, convenient operation, low cost, and convenient popularization.
  • FIG. 1 is an exploded view showing the structure of an energy absorbing device of a subway vehicle according to the present invention
  • FIG. 2 is a schematic perspective view showing the energy absorbing device of the subway vehicle of the present invention.
  • Figure 3 is a schematic exploded view of the energy absorbing device of Figure 2;
  • Figure 4 is an exploded view of the energy absorbing device of the subway vehicle of the present invention in another stereoscopic view;
  • Figure 5 is a perspective view showing the structure of the movable anti-climbing device of the present invention.
  • Figure 6 is a schematic view of a honeycomb used in the present invention.
  • Figure 7 is a schematic exploded view of the three-dimensional structure of the fixed anti-climbing device of the present invention.
  • Figure 8 is a schematic exploded view of the three-dimensional structure of the chute assembly of the present invention.
  • Figure 9 is a schematic view of the operation of the energy absorbing device of the present invention after it has been impacted.
  • an energy absorbing device for a subway vehicle is provided.
  • the energy absorbing device comprises a movable anti-climbing device 1, a fixed anti-climbing device 2, an energy absorbing honeycomb 3, at least one crushing tube 4, two chute assemblies 5 and two guiding slides 6.
  • the middle section of the fixed anti-climbing device 2 is provided with a receiving cavity having an open end, and the energy absorbing honeycomb 3 is embedded in the receiving cavity of the fixed anti-climbing device 2.
  • the rear end of the movable anti-climbing device 1 and the front end of the fixed anti-climbing device 2 are connected by two movable anti-climbing long bolts 7.
  • the rear end face of the movable anti-climbing device 1 causes the energy absorbing honeycomb 3 to be caught in the accommodating cavity of the fixed anti-climbing device 2.
  • At least one crush tube 4 is vertically fixed to the rear end of the fixed anti-climbing device 2.
  • the two chute assemblies 5 are symmetrically fixed to the outer sidewalls of the left and right ends of the fixed anti-climbing device 2.
  • the two guide rails 6 are arranged in parallel on the left and right ends of the fixed anti-climbing device 2, and each of the guide rails 6 is slidably connected to a corresponding chute assembly 5.
  • a part of the movable anti-climbing device 1 can be inserted into the accommodating cavity, and a front end of the movable anti-climbing device 1 protrudes from the accommodating cavity, so that the energy absorbing honeycomb 3 can pass the activity
  • the rear end face of the anti-climbing device 1 is completely enclosed in the receiving cavity of the fixed anti-climbing device 2.
  • the position of the energy absorbing device relative to other components of the vehicle body may be: the two guiding rails 6 are parallel and welded to the vehicle body chassis 8 , and the front end frame 9 is perpendicular to the upper surface of the fixed anti-climbing device 2 And the welding connection, the energy absorbing honeycomb 3 is located in front of the front end frame 9, and the at least one crushing tube 4 is located behind the front end frame 9.
  • Fig. 2 is a view showing the structural form of the energy absorbing device of the subway vehicle of the present invention when it is assembled and the relative positional relationship between the components.
  • 3 is a schematic view showing another exploded structure of an energy absorbing device for inventing a subway vehicle.
  • 4 is an exploded view of the energy absorbing device of the subway vehicle of the present invention in another perspective view. All the components of the energy absorbing device of the subway vehicle of the present invention are shown.
  • Fig. 5 is a perspective view showing the structure of the movable anti-climbing device of the present invention.
  • the movable anti-climbing device 1 includes three flat plates 1-1, two side vertical plates 1-2, and one neutral plate 1-3.
  • the three side flat plates 1-1 are disposed in parallel with each other.
  • the left and right ends of each side panel 1-1 are fixedly connected to a corresponding side vertical panel 1-2, and the five together constitute a first energy absorbing box.
  • the middle sections of the three flat plates 1-1 are each provided with a rectangular through groove 1-1-1, and the neutral plates 1-3 sequentially pass through the respective rectangular through grooves 1-1-1 of the three flat plates 1-1. It is fixed to the three flat plates 1-1.
  • the front ends of the three flat plates 1-1 of the movable anti-climbing device 1 are arranged in at least one row through the upper and lower through holes 1-4.
  • the activity can be carried out by pulling a rope that penetrates the through holes 1-4.
  • the anti-climbing device 1 is removed to replace the component.
  • FIG 6 is a schematic illustration of a honeycomb used in the present invention.
  • the preferred material for the honeycomb is aluminum.
  • the energy absorbing honeycomb 3 can be completely enclosed by the rear end surface of the fixed anti-climbing device 2 in the accommodating chamber of the fixed anti-climbing device 2, and the front end of the fixed anti-climbing device 2 protrudes from the accommodating chamber.
  • Fig. 7 is a perspective view showing the structure of the fixed anti-climbing device of the present invention.
  • the fixed anti-climbing device 2 includes a left anti-collision box 2-1, a right anti-collision box 2-2, a receiving chamber rear end beam 2-3, a receiving chamber upper cover 2-4, and a receiving chamber lower cover 2 -5 and two chute mounts 2-6.
  • the inside of the accommodating chamber rear end beam 2-3, the left anti-collision box 2-1 and the right crash box 2-2 are provided with a plurality of reinforcing ribs disposed along the longitudinal direction of the vehicle body.
  • the rear portions of the opposite side walls of the left anti-collision case 2-1 and the right anti-collision case 2-2 are fixed by the receiving cavity rear end beam 2-3 and the left anti-collision case 2-1 It is symmetrical with the right anti-collision box 2-2.
  • the left and right ends of the accommodating chamber lower cover 2-5 are respectively fixed to the lower edges of the opposite side walls of the left collision preventing box 2-1 and the right collision preventing box 2-2.
  • the rear end of the accommodating chamber lower cover 2-5 supports the lower ends of the accommodating chamber rear end beams 2-3 and is fixed to each other.
  • the left and right ends of the accommodating chamber upper cover 2-4 are welded to the upper edges of the opposite side walls of the left collision preventing box 2-1 and the right collision preventing box 2-2, respectively.
  • the rear end of the accommodating chamber upper cover 2-4 covers the upper end of the accommodating chamber rear end beam 2-3 and is fixed to each other.
  • the two chute fixing seats 2-6 are respectively disposed on the lateral outer side walls of the left anti-collision case 2-1 and the right anti-collision case 2-2.
  • the front end of the at least one crush tube 4 is vertically fixed to the rear end of the fixed anti-climbing device 2.
  • the crush tube 4 can be vertically fixed to the rear end of the receiving chamber rear end beam 2-3.
  • the two crushing pipes 4 may be vertically fixed to the rear ends of the left crash box 2-1 and the right crash box 2-2, respectively.
  • the upper anti-collision box 2-1 and the upper anti-collision box 2-2 of the fixed anti-climbing device 2 may each have a mounting hole 2-7 for mounting the front end frame 9.
  • the energy absorbing honeycomb 3 is located in front of the front end frame 9, and the at least one crushing tube 4 is located behind the front end frame 9.
  • FIG. 8 illustrates an exemplary chute assembly 5 of the present invention.
  • the lateral outer side wall of the chute assembly 5 and the left anti-collision box 2-1 or the right anti-collision box 2-2 is fixed by the chute fixing seat 2-6.
  • the chute assembly 5 may include an upper mold half 5-1, a lower mold half 5-2, and a plurality of chute connection bolts 5-3.
  • the upper mold half 5-1 may include an upper mold half chute portion 5-1-1 and an upper mold half abutment portion 5-1-2.
  • the upper mold half abutting portion 5-1-2 is provided with a plurality of thread blind holes.
  • the upper mold half chute portion 5-1-1 is an inverted right angle stepped structure.
  • the upper surfaces of the upper mold half abutting portions 5-1-2 are respectively fixed to the chute fixing bases 2-6.
  • the lower mold half 5-2 includes a lower mold half chute portion 5-2-1 and a lower mold half abutment portion 5-2-2.
  • a plurality of threaded through holes are formed in the lower mold half abutting portion 5-2-2.
  • the lower mold half chute portion 5-2-1 is a right angle stepped structure.
  • the lower mold half abutting portion 5-2-2 and the upper mold half abutting portion 5-1-2 are in close contact with each other.
  • the plurality of chute connecting bolts 5-3 respectively pass through the plurality of threaded through holes on the lower mold half abutting portion 5-2-2 and the plurality of thread blind hole threads on the upper mold half abutting portion 5-1-2 connection.
  • the inverted stepped structure of the lower mold half chute portion 5-2-1 is combined with the stepped structure of the upper mold half chute portion 5-1-1 to form a complete chute structure.
  • the boss rail surface of the guide rail 6 can be embedded in the interior of the chute structure from a horizontal direction to form a sliding connection.
  • the thickness of the boss of the guide rail 6 gradually decreases from front to back to form a wedge-shaped track. During the sliding of the chute assembly 5 from the front to the rear into the guide rail 6, the gap between them is larger and larger, thereby reducing the sliding frictional resistance and facilitating sliding.
  • the manner of the attachment may be a welding method.
  • Fig. 9 is a schematic view showing the action of the structure of the energy absorbing device of the present invention after impact.
  • A shows the position of the movable anti-climbing device 1 and the fixed anti-climbing device 2 before the collision starts.
  • B shows the position of the movable anti-climbing device 1 and the fixed anti-climbing device 2 when the primary energy absorbing element honeycomb 3 first completes the energy absorption during the collision. At this time, the front end of the movable anti-climbing device 1 and the front end of the fixed anti-climbing device 2 are flush.
  • C shows the position of the movable anti-climbing device 1 and the fixed anti-climbing device 2 when the secondary energy absorbing member crushing tube 4 completes energy absorption.
  • the order of impact strength of the movable anti-climbing device 1, the fixed anti-climbing device 2, the energy absorbing honeycomb 3 and the crushing tube 4 is: fixed anti-climbing device 2> active anti-climbing device 1> crushing tube 4> energy absorbing honeycomb 3. Therefore, when a collision occurs, the energy absorption or destruction order of the components is the energy absorbing honeycomb 3, the crushing tube 4, the movable anti-climbing device 1, and the anti-climbing device 2.
  • the triggering force of the crushing tube 4 may be at least 1.3 times the triggering force of the energy absorbing honeycomb 3, and the maximum energy absorbed by the crushing tube 4 may be at least 5 times of the maximum absorbed energy of the energy absorbing honeycomb 3.
  • the rear ends of the two guiding slide rails 6 and the rear ends of the two crushing pipes 4 can be respectively fixed to the chassis of the vehicle body, and the energy absorbing honeycombs 3 can be
  • the inner honeycomb inner cavity is inserted into the accommodating cavity of the fixed anti-climbing device 2 in a posture toward the longitudinal direction of the vehicle body.
  • the rear end of the movable anti-climbing device 1 is also inserted into the accommodating chamber of the fixed anti-climbing device 2, so that the energy absorbing honeycomb 3 is completely enclosed in the accommodating chamber of the fixed anti-climbing device 2.
  • the movable anti-climbing device 1 is movably connected to the fixed anti-climbing device 2 by two movable anti-climbing device long bolts 7, respectively, that is, the energy absorbing device installation of the subway vehicle of the present invention is completed.
  • the movable anti-climbing device 1 and the fixed anti-climbing device 2 of the present invention are all preferably A588 type high-strength low-alloy carbon steel sheets.
  • the energy absorbing honeycomb 3 is preferably a 5A05 type rustproof alloy provided by Zhongqi Qingdao Sifang Vehicle Research Institute Co., Ltd.
  • the crushing pipe is preferably S550MC type structural steel provided by Zhongqi Qingdao Sifang Vehicle Research Institute Co., Ltd.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Vibration Dampers (AREA)

Abstract

La présente invention concerne un dispositif d'absorption d'énergie pour un véhicule de métro, comprenant un arrêt de cheminement mobile (1), un arrêt de cheminement fixe (2), un nid d'abeilles d'absorption d'énergie (3), au moins un tuyau d'écrasement (4), deux composants à rainure de coulissement (5) et deux rails de coulissement de guidage (6). Le nid d'abeilles d'absorption d'énergie (3) sert d'élément d'absorption d'énergie de premier étage, supporte directement une force d'impact de collision transmise par l'arrêt de cheminement mobile (1), et convertit l'énergie cinétique de collision en énergie interne de déformation et en chaleur au moyen de la déformation par compression du nid d'abeilles d'absorption d'énergie (3) lui-même, de manière à réaliser une absorption et une mise en tampon d'énergie ; et le ou les tuyaux d'écrasement (4) servent de dispositif d'absorption et de mise en tampon d'énergie de second étage, et absorbent en outre l'énergie de collision, réalisant ainsi une mise en tampon et une protection supplémentaires pour le châssis de la carrosserie de véhicule, et garantissant que, lorsqu'une collision se produit, l'énergie de collision peut être absorbée de manière séquentielle dans la direction et la séquence prédéfinies selon de multiples niveaux et séquences, ce qui garantit la fiabilité de l'action du dispositif d'absorption d'énergie.
PCT/CN2018/115153 2017-11-14 2018-11-13 Dispositif d'absorption d'énergie pour véhicule de métro WO2019096109A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/477,819 US20200122752A1 (en) 2017-11-14 2018-11-13 Energy absorbing device for subway vehicle

Applications Claiming Priority (2)

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CN201711120230.1 2017-11-14
CN201711120230.1A CN107914728B (zh) 2017-11-14 2017-11-14 地铁车辆的前端吸能装置

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WO2019096109A1 true WO2019096109A1 (fr) 2019-05-23

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CN112298256A (zh) * 2019-07-26 2021-02-02 中车长春轨道客车股份有限公司 车辆防爬吸能装置

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CN107914728B (zh) * 2017-11-14 2019-10-01 中车长春轨道客车股份有限公司 地铁车辆的前端吸能装置
CN110466557A (zh) * 2019-08-21 2019-11-19 中车长春轨道客车股份有限公司 一种带有外导向的多级蜂窝吸能防爬器
CN112744252B (zh) * 2019-10-31 2022-07-01 中车唐山机车车辆有限公司 车辆前端吸能装置及车辆
JP7383503B2 (ja) 2020-01-17 2023-11-20 日本車輌製造株式会社 鉄道車両の排障器
EP3929055A1 (fr) * 2020-06-22 2021-12-29 Stadler Rail AG Wagon de véhicule ferroviaire permettant de transporter des passagers, véhicule ferroviaire doté d'un wagon de véhicule ferroviaire et procédé de formation d'une transition entre les wagons de véhicule ferroviaire
CN112109758B (zh) * 2020-09-16 2021-10-26 中车株洲电力机车有限公司 一种轨道车辆防撞系统及防撞方法
CN112249517A (zh) * 2020-10-26 2021-01-22 中车眉山车辆有限公司 一种可拆卸式活动端墙
CN113619632B (zh) * 2021-08-16 2024-03-08 中车长春轨道客车股份有限公司 一种轻量紧凑型轻轨车辆防爬吸能装置

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