WO2020173436A1 - 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
WO2020173436A1
WO2020173436A1 PCT/CN2020/076621 CN2020076621W WO2020173436A1 WO 2020173436 A1 WO2020173436 A1 WO 2020173436A1 CN 2020076621 W CN2020076621 W CN 2020076621W WO 2020173436 A1 WO2020173436 A1 WO 2020173436A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle body
energy absorbing
mounting plate
coupler
energy absorption
Prior art date
Application number
PCT/CN2020/076621
Other languages
English (en)
Chinese (zh)
Inventor
姜士鸿
闵韩琴
丛立新
张强
孙文跃
Original Assignee
中车长春轨道客车股份有限公司
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 CN201910141398.3A external-priority patent/CN109703591A/zh
Priority claimed from CN201920244002.3U external-priority patent/CN210126529U/zh
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 EP20754132.7A priority Critical patent/EP3741643B1/fr
Priority to SG11202007588WA priority patent/SG11202007588WA/en
Priority to RS20231090A priority patent/RS64841B1/sr
Publication of WO2020173436A1 publication Critical patent/WO2020173436A1/fr

Links

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

  • Vehicle and its body collision energy absorbing device Vehicle and its body collision energy absorbing device
  • the present invention relates to the technical field of energy absorbing safety protection equipment, and more particularly to a vehicle and its body collision energy absorbing device.
  • the coupler In order to absorb as much energy as possible from train collision, it should be ensured that the structure of the coupler can safely and reliably absorb more energy.
  • the present invention provides a vehicle body collision energy absorbing device to improve the energy absorbing effect and ensure the safety of passengers' lives and property.
  • the present invention also provides a vehicle with the aforementioned vehicle body collision energy absorbing device.
  • a vehicle body collision energy absorbing device comprising a coupler, a coupler mounting plate and a car body structure; the coupler includes a coupler body and an expansion tube that absorbs energy and expands relative to the coupler body, and the coupler body is installed on the coupler On board
  • the vehicle body structure has an energy absorbing cavity, and the coupler mounting plate and the expansion tube are located in the energy absorbing cavity;
  • It also includes a compression energy absorption unit arranged in the energy absorption cavity, a locking device for locking the coupler mounting plate relative to the energy absorption cavity, and the compression energy absorption unit arranged on the coupler mounting plate And a shear pin connecting the vehicle body structure and the backward support;
  • the retreat support is slidably arranged in the energy absorption cavity, and the retreat support has a locking component and a linkage structure,
  • the locking member unlocks the locking device after being away from the coupler mounting plate,
  • the linkage structure has a positioning structure axially positioned with the expansion tube; the expansion tube drives the guide tube and the When the backward support slides, the shear pin breaks.
  • the locking device is a trapezoidal block that can rotate relative to the vehicle body structure, and the end surface of the coupler mounting plate approaches in a direction approaching the compression energy absorbing unit The direction of the coupler is inclined;
  • the large end of the trapezoidal block is in contact with the retreating support, one side of the trapezoidal block is in contact with the end surface of the coupler mounting plate, and the other of the trapezoidal block is in contact with the end surface of the coupler mounting plate.
  • One side surface is in contact with the locking component
  • the trapezoidal block can rotate relative to the vehicle body structure and be separated from the coupler mounting plate.
  • the cross section of the trapezoidal block is a right-angled trapezoid; the oblique waist of the right-angled trapezoid is located on the side where the trapezoidal block contacts the end surface of the coupler mounting plate The right-angled waist of the right-angled trapezoid is located on the side of the trapezoidal block in contact with the locking member; the locking member is a limit block located between the trapezoidal block and the vehicle body structure.
  • the vehicle body collision energy absorbing device further includes a limiting protrusion provided at the opening of the energy absorbing cavity for restricting the coupler mounting plate from sliding out of the energy absorbing cavity.
  • the number of the limiting protrusions is two and they are symmetrically arranged on both sides of the opening of the energy absorbing cavity.
  • the linkage structure is a guide tube fixedly connected to the retreat support and penetrating the compression energy absorbing unit, and the guide tube is sleeved on the outside of the expansion tube .
  • the rear plate of the energy absorbing cavity has an escape hole for the guide tube and the expansion tube to pass through.
  • the positioning structure of the guide tube is a stepped surface; the outer surface of the expansion tube has a shoulder structure that can cooperate with the stepped surface.
  • the number of the locking devices is two and they are symmetrically arranged at both ends of the coupler mounting plate.
  • the present invention also provides a vehicle including a vehicle body collision energy absorbing device, the vehicle body collision energy absorbing device being the vehicle body collision energy absorbing device according to any one of the above.
  • the car body collision energy absorbing device provided by the present invention, when two high-speed rails collide, the coupler is impacted, and the expansion tube extends relative to the coupler body to complete the first energy absorption: and,
  • the linkage structure has a positioning structure that is axially positioned with the expansion tube; after the expansion tube extends relative to the coupler body, the expansion tube drives the guide tube and the retreat support to slide, and the shear pin breaks, causing the retreat support to move away from the coupler mounting plate.
  • the vehicle body collision energy absorption device provided by the present invention effectively improves the energy absorption effect and ensures the safety of passengers' lives and property.
  • the present invention also provides a vehicle including a vehicle body collision energy absorbing device, and the vehicle body collision energy absorbing device is any of the vehicle body collision energy absorbing devices described above. Since the aforementioned vehicle body collision energy absorbing device has the aforementioned technical effects, the vehicle with the aforementioned vehicle body collision energy absorbing device should also have the same technical effects, which will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, in the following description The drawings are merely some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work.
  • FIG. 1 is a schematic diagram of the first structure of a vehicle body collision energy absorbing device provided by an embodiment of the present invention
  • FIG. 2 is a second structure diagram of a vehicle body impact energy absorbing device provided by an embodiment of the present invention
  • FIG. 3 is provided by an embodiment of the present invention
  • FIG. 4 is a fourth structural schematic diagram of the vehicle body collision energy absorbing device according to an embodiment of the present invention.
  • the present invention discloses a vehicle body collision energy absorbing device to improve the energy absorbing effect and ensure the safety of passengers' lives and property.
  • the present invention also provides a vehicle with the aforementioned vehicle body collision energy absorbing device.
  • an embodiment of the present invention provides a vehicle body collision energy absorbing device, including a coupler 8, a coupler mounting plate 1, and a body structure 2;
  • the coupler 8 includes a coupler body 81 and an energy-absorbing and retractable device relative to the coupler body 81
  • the expansion tube 82, the coupler main body 81 is arranged on the coupler mounting plate 1;
  • the car body structure 2 has an energy absorbing cavity, and the coupler mounting plate 1 and the expansion tube 82 are located in the energy absorbing cavity; it also includes compression arranged in the energy absorbing cavity
  • the energy absorbing unit 6, the locking device 3 that locks the coupler mounting plate 1 relative to the energy absorbing cavity, the retreat support 5 arranged between the coupler mounting plate 1 and the compression energy absorbing unit 6, and the connecting car body structure 2 and retreat Shear pin 4 between the supports 5; one end of the compression energy absorbing unit 6 abuts against the back plate of the energy absorbing cavity; the backward support 5 is slidably arranged in the energy absorbing cavity, and
  • the vehicle body collision energy absorbing device when two high-speed rails collide, the coupler 8 is impacted, and the expansion tube 82 extends relative to the coupler body 81 to complete the first energy absorption; and the linkage structure has A positioning structure for the axial positioning of the expansion tube 82; after the expansion tube 82 extends relative to the coupler body 81, the expansion tube 82 drives the guide tube 7 and the retreat support 5 to slide, and the shear pin 4 breaks, causing the retreat support 5 to move away
  • the coupler mounting plate 1 moves in the direction, the locking component unlocks the locking device 3, and the locking device 3 unlocks the coupler mounting plate 1:
  • the coupler mounting plate 1 slides in the energy absorbing cavity under the action of the impact force and compresses the energy absorbing unit 6 movement, through the compression of the compression energy absorption unit 6, the second energy absorption is completed.
  • the vehicle body collision energy absorption device provided by the embodiment of the present invention effectively improves the energy absorption effect and ensures the safety of passengers' lives and property.
  • the locking device 3 is a trapezoidal block that can rotate relative to the vehicle body structure 2.
  • the end surface of the coupler mounting plate 1 is inclined in the direction close to the compression energy absorption unit 6 to the direction close to the coupler 8. 3
  • the large end of the trapezoidal block is in contact with the retreat support 5
  • one side of the trapezoidal block is in contact with the end surface of the coupler mounting plate 1
  • the other side of the trapezoidal block is in contact with the locking component: on the retreat support 5.
  • the trapezoidal block can rotate relative to the vehicle body structure 2 and separate from the coupler mounting plate 1.
  • the other side of the trapezoidal block is separated from the locking part, and the trapezoidal block can rotate relative to the car body structure 2, thereby separating one side of the trapezoidal block from the end surface of the coupler mounting plate 1 , Thereby enabling the coupler mounting plate 1 to move toward the compression energy absorbing unit 6 under the action of impact force.
  • one side surface of the above-mentioned trapezoidal block is in surface contact with the end surface of the coupler mounting plate 1 and the other side surface of the trapezoidal block is in contact with the locking member.
  • the cross section of the trapezoidal block is a right-angled trapezoid: the oblique waist of the right-angled trapezoid is located on the side of the trapezoidal block contacting the end face of the coupler mounting plate 1; ;
  • the locking component is a limit block located between the trapezoidal block and the vehicle body structure 2.
  • the vehicle body collision energy absorbing device provided by the embodiment of the present invention further includes a limiting protrusion arranged at the opening of the energy absorbing cavity and used to restrict the coupler mounting plate 1 from sliding out of the energy absorbing cavity.
  • the number of the limiting protrusions is two and they are symmetrically arranged on both sides of the opening of the energy absorbing cavity. Through the above settings, the stability is effectively improved. It is also possible to arrange the limiting protrusions as a ring structure, so that the limiting protrusions are arranged along the inner wall of the opening of the energy absorbing cavity.
  • the linkage structure is a guide tube 7 that is fixedly connected to the retreat support 5 and penetrates the compression energy absorption unit 6, and the guide tube 7 is sleeved on the outside of the expansion tube 82.
  • the guide tube 7 provides a guiding operation for the expansion tube 82, which effectively avoids the situation that the expansion tube 82 is placed outside, and further improves the stability of energy absorption.
  • the back plate of the energy absorbing cavity has an escape hole for the guide tube 7 and the expansion tube 82 to pass through.
  • the guide tube 7 and the expansion tube 82 can directly pass through the escape hole when the guide tube 7 and the expansion tube 82 drive the retreat support 5 to the compression energy absorption unit 6, which effectively improves the structural stability and reduces the energy absorption cavity.
  • the length requirement of the steel tube increases the structural stability.
  • the positioning structure of the guide tube 7 is a stepped surface; the outer surface of the expansion tube 82 has a shoulder structure that can cooperate with the stepped surface. It is also possible to close one end of the guide tube 7, and after the end of the expansion tube 82 contacts the closed end of the guide tube 7, the axial positioning of the guide tube 7 and the expansion tube 82 is completed.
  • the locking device 3 locks the coupler mounting plate 1 and the retreat support 5 is in contact with the coupler mounting plate 1, there is a distance between the stepped surface of the guide tube 7 and the shoulder of the expansion tube 82 to facilitate After the expansion tube 82 extends relative to the coupler body 81 to complete the first energy absorption, the coupler installation plate 1 is unlocked, thereby completing the second energy absorption operation.
  • the distance between the stepped surface of the guide tube 7 and the shoulder of the expansion tube 82 is determined according to actual requirements, and is not specifically limited here.
  • the number of the locking devices 3 is two and they are symmetrically arranged at both ends of the coupler mounting plate 1.
  • the stability of the locking coupler mounting plate 1 is effectively improved, and it is also ensured that the coupler mounting plate 1 can slide smoothly in the energy absorbing cavity in the unlocked state.
  • An embodiment of the present invention also provides a vehicle including a vehicle body collision energy absorbing device, and the vehicle body collision energy absorbing device is any of the above-mentioned vehicle body collision energy absorbing devices. Since the aforementioned vehicle body collision energy absorbing device has the aforementioned technical effects, a vehicle with the aforementioned vehicle body collision energy absorbing device should also have the same technical effects, which will not be repeated here.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Vibration Dampers (AREA)

Abstract

La présente invention concerne un véhicule et un dispositif associé d'absorption d'énergie de collision de carrosserie de véhicule. Un attelage de voiture (8) du dispositif d'absorption d'énergie de collision de carrosserie de véhicule comprend un corps d'attelage de voiture (81) et un tuyau d'expansion (82) capable d'absorber de l'énergie et de s'étirer par rapport au corps d'attelage de voiture (81), et le corps d'attelage de voiture (81) est disposé sur une plaque de montage d'attelage de voiture (1) ; une structure de carrosserie de véhicule (2) est pourvue d'une cavité d'absorption d'énergie, et la plaque de montage d'attelage de voiture (1) et le tuyau d'expansion (82) sont situés dans la cavité d'absorption d'énergie. Le dispositif comprend également une unité d'absorption d'énergie de compression (6) disposée dans la cavité d'absorption d'énergie, un dispositif de verrouillage (3) utilisé pour verrouiller la plaque de montage d'attelage de voiture (1) par rapport à la cavité d'absorption d'énergie, un support de recul (5) disposé entre la plaque de montage d'attelage de voiture (1) et l'unité d'absorption d'énergie de compression (6), et une broche de cisaillement (4) raccordée entre la structure de carrosserie de véhicule (2) et le support de recul (5). Une extrémité de l'unité d'absorption d'énergie de compression (6) vient en butée contre une plaque arrière de la cavité d'absorption d'énergie. Le support de recul (5) est disposé dans la cavité d'absorption d'énergie dans un mode coulissant et pourvu d'un composant de verrouillage et d'une structure de liaison, le composant de verrouillage déverrouille le dispositif de verrouillage (3) après avoir été éloigné de la plaque de montage d'attelage de voiture (1), et la structure de liaison est pourvue d'une structure de positionnement qui est positionnée axialement par rapport au tuyau d'expansion (82). Le présent dispositif d'absorption d'énergie de collision de carrosserie de véhicule améliore l'effet d'absorption d'énergie et garantit la sécurité et la santé des passagers et l'intégrité de leurs biens.
PCT/CN2020/076621 2019-02-26 2020-02-25 Véhicule et dispositif associé d'absorption d'énergie de collision de carrosserie de véhicule WO2020173436A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP20754132.7A EP3741643B1 (fr) 2019-02-26 2020-02-25 Véhicule et dispositif associé d'absorption d'énergie de collision de carrosserie de véhicule
SG11202007588WA SG11202007588WA (en) 2019-02-26 2020-02-25 Vehicle and vehicle body collision energy absorbing device thereof
RS20231090A RS64841B1 (sr) 2019-02-26 2020-02-25 Vozilo i njegov uređaj za apsorpciju energije sudara karoserije

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201910141398.3 2019-02-26
CN201920244002.3 2019-02-26
CN201910141398.3A CN109703591A (zh) 2019-02-26 2019-02-26 车辆及其车体碰撞吸能装置
CN201920244002.3U CN210126529U (zh) 2019-02-26 2019-02-26 车辆及其车体碰撞吸能装置

Publications (1)

Publication Number Publication Date
WO2020173436A1 true WO2020173436A1 (fr) 2020-09-03

Family

ID=72238370

Family Applications (1)

Application Number Title Priority Date Filing Date
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

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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114654405A (zh) * 2022-03-22 2022-06-24 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
CN116911144A (zh) * 2023-09-11 2023-10-20 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

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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
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WO2013079733A1 (fr) * 2011-11-30 2013-06-06 Patentes Talgo, S.L. Système d'absorption d'énergie pour voitures cabine de véhicules ferroviaires
CN103625502A (zh) * 2013-10-18 2014-03-12 南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
PL410337A1 (pl) * 2014-12-02 2016-06-06 Axtone Spółka Z Ograniczoną Odpowiedzialnością Urządzenie pochłaniające energię uderzeń wagonów kolejowych
CN105083317A (zh) * 2015-07-24 2015-11-25 南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
CN105151075A (zh) * 2015-09-30 2015-12-16 南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
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CN106364520A (zh) * 2016-09-28 2017-02-01 中南大学 一种列车碰撞防护方法及系统
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
KR20180076379A (ko) * 2016-12-27 2018-07-06 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
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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114654405A (zh) * 2022-03-22 2022-06-24 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
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
CN116911144A (zh) * 2023-09-11 2023-10-20 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
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

Also Published As

Publication number Publication date
RS64841B1 (sr) 2023-12-29
HUE063554T2 (hu) 2024-01-28
EP3741643A1 (fr) 2020-11-25
EP3741643A4 (fr) 2021-12-29
EP3741643B1 (fr) 2023-09-06
SG11202007588WA (en) 2020-10-29

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