EP3741643A1 - Véhicule et dispositif associé d'absorption d'énergie de collision de carrosserie de véhicule - Google Patents

Véhicule et dispositif associé d'absorption d'énergie de collision de carrosserie de véhicule Download PDF

Info

Publication number
EP3741643A1
EP3741643A1 EP20754132.7A EP20754132A EP3741643A1 EP 3741643 A1 EP3741643 A1 EP 3741643A1 EP 20754132 A EP20754132 A EP 20754132A EP 3741643 A1 EP3741643 A1 EP 3741643A1
Authority
EP
European Patent Office
Prior art keywords
energy absorbing
vehicle body
coupler
mounting plate
collision energy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20754132.7A
Other languages
German (de)
English (en)
Other versions
EP3741643B1 (fr
EP3741643A4 (fr
Inventor
Shihong JIANG
Hanqin MIN
Lixin CONG
Qiang Zhang
Wenyue SUN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Changchun Railway Vehicles Co Ltd
Original Assignee
CRRC Changchun Railway Vehicles Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201920244002.3U external-priority patent/CN210126529U/zh
Priority claimed from CN201910141398.3A external-priority patent/CN109703591A/zh
Application filed by CRRC Changchun Railway Vehicles Co Ltd filed Critical CRRC Changchun Railway Vehicles Co Ltd
Priority to RS20231090A priority Critical patent/RS64841B1/sr
Publication of EP3741643A1 publication Critical patent/EP3741643A1/fr
Publication of EP3741643A4 publication Critical patent/EP3741643A4/fr
Application granted granted Critical
Publication of EP3741643B1 publication Critical patent/EP3741643B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G7/00—Details or accessories
    • B61G7/10—Mounting of the couplings on the vehicle
    • 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

Definitions

  • the present application relates to the technical field of energy absorption safety protection equipment, and in particular to a vehicle and a vehicle body collision energy absorbing device thereof.
  • the coupler When two high-speed trains collide, the coupler is impacted first. In order to absorb the energy generated by train collision as much as possible, it should be ensured that the structure of the coupler can safely and reliably absorb more energy.
  • a vehicle body collision energy absorbing device is provided according to the present application, so as to improve the energy absorption effect and ensure the safety of passengers' lives and properties.
  • a vehicle including the vehicle body collision energy absorbing device is further provided according to the present application.
  • a vehicle body collision energy absorbing device includes a coupler, a coupler mounting plate and a vehicle body structure.
  • the coupler includes a coupler body and an expansion pipe that absorbs energy and expands relative to the coupler body.
  • the coupler body is arranged on the coupler mounting plate.
  • the vehicle body structure is provided with an energy absorbing cavity, and the coupler mounting plate and the expansion pipe are arranged in the energy absorbing cavity.
  • the vehicle body collision energy absorbing device further includes a compression energy absorbing unit arranged in the energy absorbing cavity, a locking device that locks the coupler mounting plate relative to the energy absorbing cavity, a retreat support arranged between the coupler mounting plate and the compression energy absorbing unit, and a shear pin connecting the vehicle body structure with the retreat support.
  • the retreat support is slidably arranged in the energy absorbing cavity, and is provided with a locking component and a linkage structure.
  • the locking component unlocks the locking device after being away from the coupler mounting plate, and the linkage structure has a positioning structure axially positioned with the expansion pipe.
  • the locking device is a trapezoidal block which is rotatable relative to the vehicle body structure, an end surface of the coupler mounting plate inclines towards the coupler along a direction of approaching the compression energy absorbing unit; when the locking device is in a locked state, a large end of the trapezoidal block contacts the retreat support, one side surface of the trapezoidal block contacts the end surface of the coupler mounting plate, and the other side surface of the trapezoidal block contacts the locking component; and after the retreat support is separated from the trapezoidal block, the trapezoidal block can rotate relative to the vehicle body structure and be separated from the coupler mounting plate.
  • a cross section of the trapezoidal block is a right-angled trapezoid; the oblique sideline of the right-angled trapezoid is located on the side surface of the trapezoidal block in contact with the end surface of the coupler mounting plate; the right-angle sideline of the right-angled trapezoid is located on the side surface of the trapezoidal block in contact with the locking component; and the locking component is a position-limiting block provided between the trapezoidal block and the vehicle body structure.
  • the vehicle body collision energy absorbing device further includes a position-limiting protrusion arranged at an opening of the energy absorbing cavity and configured to restrict the coupler mounting plate from sliding out of the energy absorbing cavity.
  • two position-limiting protrusions are provided and are symmetrically arranged on two sides of the opening of the energy absorbing cavity.
  • the linkage structure is a guide pipe that is fixedly connected to the retreat support and penetrates through the compression energy absorbing unit, and the guide pipe is sleeved on the outside of the expansion pipe.
  • the rear plate of the energy absorbing cavity is provided with an avoidance hole for the guide pipe and the expansion pipe to pass through.
  • the positioning structure of the guide pipe is a stepped surface; and the outer surface of the expansion pipe has a shoulder structure capable of cooperating with the stepped surface.
  • two locking devices are provided and are symmetrically arranged at two ends of the coupler mounting plate.
  • a vehicle is further provided according to the present application, which includes the vehicle body collision energy absorbing device according to any one of the above aspects.
  • the linkage structure has a positioning structure which is axially positioned with the expansion pipe; after the expansion pipe extends outward relative to the coupler body, the expansion pipe drives the guide pipe and the retreat support to slide, and the shear pin breaks, so that the retreat support moves away from the coupler mounting plate, the locking component unlocks the locking device, and the locking device unlocks the coupler mounting plate; and the coupler mounting plate slides in the energy absorbing cavity under the action of the impact force and moves toward the compression energy absorbing unit, and the compression energy absorbing unit is compressed to complete the second energy absorption.
  • the vehicle body collision energy absorbing device provided by the present application effectively improves the energy absorption effect and ensures the safety of passengers' lives and properties.
  • a vehicle is further provided according to the present application, which includes the vehicle body collision energy absorbing device according to any one of the above aspects. Since the aforementioned vehicle body collision energy absorbing device has the aforementioned technical effects, the vehicle having the aforementioned vehicle body collision energy absorbing device should also have the same technical effects, which will not be repeated here.
  • a vehicle body collision energy absorbing device is disclosed according to the present application, so as to improve the energy absorption effect and ensure the safety of passengers' lives and properties.
  • a vehicle including the vehicle body collision energy absorbing device is further provided according to the present application.
  • a vehicle body collision energy absorbing device provided by the embodiment of the present application includes a coupler 8, a coupler mounting plate 1 and a vehicle body structure 2.
  • the coupler 8 includes a coupler body 81 and an expansion pipe 82 that absorbs energy and expands relative to the coupler body 81.
  • the coupler body 81 is arranged on the coupler mounting plate 1.
  • the vehicle body structure 2 is provided with an energy absorbing cavity, and the coupler mounting plate 1 and the expansion pipe 82 are arranged in the energy absorbing cavity.
  • the vehicle body collision energy absorbing device further includes a compression energy absorbing unit 6 arranged in the energy absorbing cavity, a locking device 3 that locks the coupler mounting plate 1 relative to the energy absorbing cavity, a retreat support 5 arranged between the coupler mounting plate 1 and the compression energy absorbing unit 6, and a shear pin 4 connecting the vehicle body structure 2 with the retreat support 5.
  • One end of the compression energy absorbing unit 6 abuts against a rear plate of the energy absorbing cavity.
  • the retreat support 5 is slidably arranged in the energy absorbing cavity, and is provided with a locking component and a linkage structure.
  • the locking component unlocks the locking device 3 after being away from the coupler mounting plate 1, and the linkage structure has a positioning structure axially positioned with the expansion pipe 82.
  • the linkage structure has a positioning structure which is axially positioned with the expansion pipe 82; after the expansion pipe 82 extends outward relative to the coupler body 81, the expansion pipe 82 drives the guide pipe 7 and the retreat support 5 to slide, and the shear pin 4 breaks, so that the retreat support 5 moves away from the coupler mounting plate 1, the locking component unlocks the locking device 3, and the locking device 3 unlocks the coupler mounting plate 1; and the coupler mounting plate 1 slides in the energy absorbing cavity under the action of the impact force and moves toward the compression energy absorbing unit 6, and the compression energy absorbing unit 6 is compressed to complete the second energy absorption.
  • the vehicle body collision energy absorbing device provided by the embodiment of the present application effectively improves the energy absorption effect and ensures the safety of passengers' lives
  • the locking device 3 is a trapezoidal block which is rotatable relative to the vehicle body structure 2.
  • An end surface of the coupler mounting plate 1 inclines towards the coupler 8 along a direction of approaching the compression energy absorbing unit 6.
  • a large end of the trapezoidal block contacts the retreat support 5, one side surface of the trapezoidal block contacts the end surface of the coupler mounting plate 1, and the other side surface of the trapezoidal block contacts the locking component.
  • the trapezoidal block can rotate relative to the vehicle body structure 2 and be separated from the coupler mounting plate 1.
  • the other side surface of the trapezoidal block is separated from the locking component, and the trapezoidal block can rotate relative to the vehicle body structure 2, so that one side surface of the trapezoidal block is separated from the end surface of the coupler mounting plate 1, and the coupler mounting plate 1 can move toward the compression energy absorbing unit 6 under the action of impact force.
  • the trapezoidal block restricts the movement of the coupler mounting plate 1 when one side surface of the trapezoidal block contacts the end surface of the coupler mounting plate 1.
  • the contact between one side surface of the trapezoidal block and the end surface of the coupler mounting plate 1 and the contact between the other side surface of the trapezoidal block and the locking component are both surface contact.
  • the cross section of the trapezoidal block is a right-angled trapezoid.
  • the oblique sideline of the right-angled trapezoid is located on the side surface of the trapezoidal block in contact with the end surface of the coupler mounting plate 1.
  • the right-angle sideline of the right-angled trapezoid is located on the side surface of the trapezoidal block in contact with the locking component.
  • the locking component is a position-limiting block provided between the trapezoidal block and the vehicle body structure 2.
  • the vehicle body collision energy absorbing device provided by the embodiment of the present application further includes a position-limiting protrusion arranged at an opening of the energy absorbing cavity and configured to restrict the coupler mounting plate 1 from sliding out of the energy absorbing cavity.
  • a position-limiting protrusion arranged at an opening of the energy absorbing cavity and configured to restrict the coupler mounting plate 1 from sliding out of the energy absorbing cavity.
  • the position-limiting protrusion may have an annular structure and be arranged along the inner wall of the opening of the energy absorbing cavity.
  • the linkage structure is a guide pipe 7 that is fixedly connected to the retreat support 5 and penetrates through the compression energy absorbing unit 6, and the guide pipe 7 is sleeved on the outside of the expansion pipe 82.
  • the guide pipe 7 provides a guide operation for the expansion pipe 82, which effectively avoids the situation that the expansion pipe 82 is externally located, and further improves the stability of energy absorption.
  • the rear plate of the energy absorbing cavity is provided with an avoidance hole for the guide pipe 7 and the expansion pipe 82 to pass through.
  • the positioning structure of the guide pipe 7 is a stepped surface.
  • the outer surface of the expansion pipe 82 has a shoulder structure capable of cooperating with the stepped surface. It is also applicable that one end of the guide pipe 7 is closed. The axial positioning of the guide pipe 7 and the expansion pipe 82 is completed after the end of the expansion pipe 82 contacts the closed end of the guide pipe 7.
  • the distance between the stepped surface of the guide pipe 7 and the shoulder of the expansion pipe 82 is determined according to actual requirements, and is not specifically limited here.
  • two locking devices 3 are provided and are symmetrically arranged at two ends of the coupler mounting plate 1.
  • a vehicle is further provided by the embodiment of the present application, which includes the vehicle body collision energy absorbing device according to any one of the above aspects. Since the aforementioned vehicle body collision energy absorbing device has the aforementioned technical effects, the vehicle having the aforementioned vehicle body collision energy absorbing device should also have the same technical effects, which will not be repeated here.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Vibration Dampers (AREA)
EP20754132.7A 2019-02-26 2020-02-25 Véhicule et dispositif associé d'absorption d'énergie de collision de carrosserie de véhicule Active EP3741643B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RS20231090A RS64841B1 (sr) 2019-02-26 2020-02-25 Vozilo i njegov uređaj za apsorpciju energije sudara karoserije

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201920244002.3U CN210126529U (zh) 2019-02-26 2019-02-26 车辆及其车体碰撞吸能装置
CN201910141398.3A CN109703591A (zh) 2019-02-26 2019-02-26 车辆及其车体碰撞吸能装置
PCT/CN2020/076621 WO2020173436A1 (fr) 2019-02-26 2020-02-25 Véhicule et dispositif associé d'absorption d'énergie de collision de carrosserie de véhicule

Publications (3)

Publication Number Publication Date
EP3741643A1 true EP3741643A1 (fr) 2020-11-25
EP3741643A4 EP3741643A4 (fr) 2021-12-29
EP3741643B1 EP3741643B1 (fr) 2023-09-06

Family

ID=72238370

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20754132.7A Active EP3741643B1 (fr) 2019-02-26 2020-02-25 Véhicule et dispositif associé d'absorption d'énergie de collision de carrosserie de véhicule

Country Status (5)

Country Link
EP (1) EP3741643B1 (fr)
HU (1) HUE063554T2 (fr)
RS (1) RS64841B1 (fr)
SG (1) SG11202007588WA (fr)
WO (1) WO2020173436A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114654405B (zh) * 2022-03-22 2024-01-16 岚图汽车科技有限公司 一种汽车行李箱主动尾翼装配的定位工装
CN116911144B (zh) * 2023-09-11 2023-11-21 西南交通大学 基于机器学习的列车碰撞能量管理优化方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2487991B1 (es) * 2011-11-30 2015-06-02 Patentes Talgo, S.L. Sistema de absorción de energía para coches cabina de vehículos ferroviarios
CN103625502B (zh) * 2013-10-18 2016-05-25 中车青岛四方机车车辆股份有限公司 一种轨道车辆前端吸能装置
PL226548B1 (pl) * 2014-12-02 2017-08-31 Axtone Spółka Z Ograniczoną Odpowiedzialnością Urządzenie pochłaniające energię uderzeń wagonów kolejowych
CN105083317B (zh) * 2015-07-24 2018-06-12 中车青岛四方机车车辆股份有限公司 一种车钩组件及具有该车钩组件的轨道车辆
CN105151075B (zh) * 2015-09-30 2018-03-20 中车青岛四方机车车辆股份有限公司 一种吸能装置及具有该吸能装置的轨道车辆
DE102016205981A1 (de) * 2016-04-11 2017-10-12 Voith Patent Gmbh Zug- und Stoßeinrichtung
DE102016111556A1 (de) * 2016-06-23 2017-12-28 Deutsches Zentrum für Luft- und Raumfahrt e.V. Schienenfahrzeug
CN106364520B (zh) * 2016-09-28 2018-04-13 中南大学 一种列车碰撞防护方法及系统
CN206288027U (zh) * 2016-11-22 2017-06-30 中车长春轨道客车股份有限公司 一种动车组头车被动安全防护装置
CN106672010A (zh) * 2016-11-22 2017-05-17 中车长春轨道客车股份有限公司 一种动车组头车被动安全防护装置
KR101898097B1 (ko) * 2016-12-27 2018-09-13 한국철도기술연구원 철도차량 연결기용 충격흡수장치
CN107200034A (zh) * 2017-05-23 2017-09-26 中车唐山机车车辆有限公司 吸能组件及动车
CN207274709U (zh) * 2017-05-23 2018-04-27 中车唐山机车车辆有限公司 轨道车辆用防护装置及轨道车辆
CN207875666U (zh) * 2017-12-20 2018-09-18 中车长春轨道客车股份有限公司 一种吸能车体及具有该车体的轨道车辆
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CN109703591A (zh) * 2019-02-26 2019-05-03 中车长春轨道客车股份有限公司 车辆及其车体碰撞吸能装置

Also Published As

Publication number Publication date
EP3741643B1 (fr) 2023-09-06
SG11202007588WA (en) 2020-10-29
RS64841B1 (sr) 2023-12-29
HUE063554T2 (hu) 2024-01-28
EP3741643A4 (fr) 2021-12-29
WO2020173436A1 (fr) 2020-09-03

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