WO2022154145A1 - 충격 완충 장치 - Google Patents
충격 완충 장치 Download PDFInfo
- Publication number
- WO2022154145A1 WO2022154145A1 PCT/KR2021/000646 KR2021000646W WO2022154145A1 WO 2022154145 A1 WO2022154145 A1 WO 2022154145A1 KR 2021000646 W KR2021000646 W KR 2021000646W WO 2022154145 A1 WO2022154145 A1 WO 2022154145A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shock
- buffer
- housing
- shock absorber
- outside
- Prior art date
Links
- 230000035939 shock Effects 0.000 title claims abstract description 105
- 239000000872 buffer Substances 0.000 claims abstract description 99
- 239000006096 absorbing agent Substances 0.000 claims description 51
- 238000009434 installation Methods 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000003139 buffering effect Effects 0.000 description 11
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G11/00—Buffers
- B61G11/08—Buffers with rubber springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G9/00—Draw-gear
- B61G9/04—Draw-gear combined with buffing appliances
- B61G9/06—Draw-gear combined with buffing appliances with rubber springs
-
- 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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
-
- 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
Definitions
- the present invention relates to a shock shock absorber, and more particularly, to a connector for connecting railroad cars, a screen installed at the end of a track, or a side buffer formed on both ends of a vehicle, etc.
- a shock shock absorber capable of reducing maintenance costs by making it possible to more easily attach and detach side buffers formed on both ends of a vehicle.
- a plurality of railway vehicles are connected to form a train, and for this purpose, a connector for connecting the railway vehicles to each other is provided in the front and rear portions of the railway vehicle.
- This connector is installed in the center room of the underframe to support the load of railroad cars, passengers and cargo. is fixedly installed on
- the conventional shock absorber for the railroad car connector is installed at the end of the connector CT and connects the connector CT and the center room CS of the underframe UF. It consists of a part 10 and a plurality of fixing rivets 20 for fixing the buffer part 10 to the center chamber CS.
- the buffer unit 10 is composed of a buffer 11 and a bracket 12 such as a multi-plate rubber buffer, and the buffer 11 absorbs the shock transmitted through the connector CT.
- the buffer unit 10 is firmly fixed to the center chamber CS through a plurality of fixing rivets 20, so the buffer unit 10 can absorb the capacity.
- the present invention has been devised to solve the above problems, and an object of the present invention is to cushion the impact applied by installing a connector of a railroad car, a screen installed at the end of a track, or a side buffer formed on both ends of the vehicle.
- the buffer bar formed in the shape of a bar and the housing provided on the outside of the buffer bar, the first cushioning unit comprising the buffer member provided between the buffer bar and the housing to relieve the impact, and the expansion member provided on the outside of the first buffering unit and a second buffering part made of a buffer tube that absorbs shocks while expanding by an expansion member to buffer shocks over two rounds. It is to provide a shock absorber that can solve the problem.
- Another object of the present invention is to provide a first shock absorber for buffering shock by an elastic member installed at the rear of the connecting bar and a second shock absorber provided on the outside of the first shock absorber to relieve the shock in the process of expanding the buffer tube.
- the buffer part is connected to the installation plate for fixing to the installation position such as the center room of the railway vehicle, so that only the installation plate is fixed without installing the first and second buffer parts separately, so that it can be installed on the railway vehicle and can be easily attached and detached. Accordingly, it is to provide a shock absorber capable of reducing maintenance costs.
- the present invention for solving these problems
- the first shock absorber comprising a buffer bar formed in a bar shape, a housing provided on the outside of the buffer bar, and a buffer member provided between the buffer bar and the housing, characterized by being made.
- a first installation groove is formed on the outer peripheral surface of the buffer bar
- a second installation groove is formed on the inner peripheral surface of the housing to correspond to the first installation groove
- the inner part of the buffer member is inserted into the first installation groove and the outer part is inserted into the second installation groove.
- a second buffering part is further provided on the outside of the first buffering part, and the second buffering part is a buffer tube provided on the outside of the housing, and an expansion member provided on the outside of the front end of the housing and inside the buffer tube. characterized by being made.
- a first locking jaw is formed on the outer peripheral surface of the front end of the housing to protrude outward
- a second locking jaw is formed on the inner peripheral surface of the expansion member to protrude inward to correspond to the first locking jaw, so that the tube expansion member is formed by the housing. It is characterized by moving backwards.
- the pipe expansion member is characterized in that it consists of a crushed portion formed to be inclined in the outward direction, and a first flange formed to protrude outward on the entirety of the crushed portion.
- the pipe expansion member is characterized in that the cutting hole is formed along the outer peripheral surface between the crushed portion and the first flange.
- an installation plate to which the first flange is fixed is provided, and an installation hole into which the first and second buffer parts are inserted is formed in the center of the installation plate.
- a second flange is formed outside the front end of the buffer tube, the second flange is positioned so as to be in contact with the rear surface of the first flange, and the first and second flanges are coupled and fixed to the outside of the installation hole do it with
- the buffer member is characterized in that it is formed in a ring shape.
- the buffer member is characterized in that it is formed in a spiral shape.
- a first shock absorber comprising a housing provided on the outside of the buffer bar and a buffer member provided between the buffer bar and the housing for relieving shock, and an expanding member and an expanding member provided outside the first shock absorber to absorb shock
- It is composed of a second shock absorber made of a buffer tube that provides a shock shock absorber capable of stably resolving shock not only when connecting railroad cars, but also in large shocks such as collision accidents. will be.
- Another object of the present invention is to provide a first shock absorber for buffering shock by an elastic member installed at the rear of the connecting bar and a second shock absorber provided on the outside of the first shock absorber to relieve the shock in the process of expanding the buffer tube.
- the buffer part is connected to the installation plate for fixing to the installation location such as the center room of the railway vehicle, so that only the installation plate is fixed without installing the first and second buffer parts separately, so that it can be installed on the railway vehicle and can be easily attached and detached. Accordingly, there is an effect of reducing the maintenance cost.
- FIG. 1 is a plan view of a connecting portion of a railroad car equipped with a shock absorber for a conventional railroad car connector.
- FIG. 2 is a side view of a connecting portion of a railroad car equipped with a shock absorber for a conventional railroad car connector.
- FIG. 3 is a perspective view of the shock shock absorber according to the present invention.
- FIG. 4 is a cross-sectional view of the shock shock absorber according to the present invention.
- FIG. 5 is an exploded perspective view of the shock absorber according to the present invention.
- FIG. 6 is an exploded perspective view of a first shock absorber of a shock absorber for a connector according to another embodiment of the present invention.
- FIG. 7 is a perspective view of the buffer member according to the embodiment of FIG.
- FIG. 3 is a perspective view of the shock shock absorber according to the present invention
- Figure 4 is a cross-sectional view of the shock shock absorber according to the present invention
- Figure 5 is an exploded perspective view of the shock shock absorber according to the present invention
- Figure 6 is another of the present invention An exploded perspective view of the first shock absorber of the shock absorber for a connector according to the embodiment
- FIG. 7 is a perspective view of the shock absorber according to the embodiment of FIG. 6 .
- the present invention relates to a shock absorbing device installed in the center room of a railroad car to cushion the impact applied by installing the connector 600 on the whole, a curtain installed at the end of the track, or side buffers formed on both ends of the vehicle. Therefore, for convenience of description, it will be described based on the state installed in the connector 600 .
- the shock shock absorber of the present invention includes a first shock absorber A1 provided at the rear of the connector 600 , and the first shock absorber The front end of (A1) is fixedly installed on the installation plate 100 that is fixedly installed on the front of the center room formed in the lower part of the railroad car.
- the first buffer unit A1 includes the buffer bar 200 hinged to the rear of the connector 600 , the housing 300 provided outside the rear of the buffer bar 200 , and the buffer bar 200 . ) and a buffer member 250 provided between the housing 300 .
- a first installation groove 230 is formed on an outer peripheral surface of the buffer bar 200
- a second installation groove 310 is formed on an inner peripheral surface of the housing 300 to correspond to the first installation groove 230 .
- the inner portion of the buffer member 250 is inserted into the first installation groove 230 and the outer portion is inserted into the second installation groove 310 .
- the buffer member 250 is made of an elastic material such as rubber or synthetic rubber, and the shape is formed in a ring shape, and the first installation groove 230 and the second installation groove 310 are formed at regular intervals. are inserted into each.
- the buffer bar 200 is composed of a buffer part 220 located inside the housing 300 and a hinge part 210 formed at the front end of the buffer part 220, the hinge part 210 ), the end of the connecting member 240 coupled to the rear end of the connector 600 is coupled to the hinge.
- the housing 300 is formed in a cylindrical shape, and as shown in FIG. 5 , the housing 300 is formed of an upper member (not shown) and a lower member (not shown), and a buffer bar ( 200) to accommodate the buffer part 220 and the buffer member 250, and a through hole 330 is formed in the front so that the entirety of the buffer bar 200 protrudes.
- the housing 300 constituting the first buffer unit A1 is fixedly installed in the entire center room through the mounting plate 100 as described above, and the buffer bar 200 is the housing 300 . Since it is connected to the connector 600 through the connecting member 240 connected to the hinge portion 210 protruding through the through hole 330 formed at the front end of the ) to reduce the impact applied to the railroad car body by dissolving the buffer bar 200 in the process of moving backward.
- the buffer member 250' inserted and fixed in the first and second installation grooves 230' and 310' is also formed in a spiral shape, so that the buffer 220, the buffer member 250' and the housing 300 are formed. It is possible to more completely relieve the applied impact by forming a wider portion in contact with the
- the housing 300 may be formed by being separated into two upper and lower parts as shown in the drawings, but may be formed of a plurality of parts and combined according to circumstances.
- a second buffering part A2 is further provided on the outside of the first buffering part A1, and the second buffering part A2 is an expansion member 500 provided outside the front end of the housing 300. and a buffer tube 400 provided to cover both the outside of the housing 300 and the outside of the expansion member 500 .
- the buffer tube 400 is formed in a pipe shape having an inner diameter corresponding to the outer diameter of the housing 300 so as to be in close contact with the outside of the housing 300 , and the expansion member 500 is inserted at the front end. 410 is formed.
- a first locking jaw 320 is formed on the outer peripheral surface of the front end of the housing 300 to protrude outward, and a second locking jaw 320 is formed on the rear of the inner peripheral surface of the expansion member 500 to correspond to the first locking jaw 320 .
- the jaw 560 is formed to protrude inward.
- the applied shock is large, so that the first shock absorber A1 cannot resolve the impact, and when the first shock absorber A1 moves backward, the The expansion member 500 is moved to the rear by the first and second locking jaws 320 and 560, thereby relieving the shock in the process of expanding the buffer tube 400.
- an impact less than a certain amount is resolved by the first shock absorber A1, and a large shock that cannot be resolved in the first shock absorber A1 is eliminated through the second shock absorber A2. In this way, it is possible to prevent as much as possible injury to the passengers on the railroad car.
- the expansion member 500 is formed in the rear portion is formed to be inclined outwardly crushed portion 510 and the first flange 530 formed so as to lead to the outside of the crushed portion (510).
- the installation hole 110 is formed in the center of the installation plate 100 so as to penetrate back and forth.
- the first flange 530 of the expansion member 500 is fixed to the outside of the front surface of the installation hole 110 .
- a second flange 420 is formed at the front end of the buffer tube 400 so as to protrude outward, and the second flange 420 is located between the installation plate 100 and the first flange 530 . It is fixed to the mounting plate 400 .
- a second coupling groove 340 is formed on the front surface of the housing 300 so as to communicate with the outer portion, and the second coupling groove is formed on the front surface of the first flange 530 formed at the front end of the expansion member 500 .
- a first coupling groove 540 is formed to communicate with the 340 .
- a fastening bar 550 is inserted into the first and second coupling grooves 540 and 340 to more firmly fix the housing 300 and the expansion member 500 .
- the front of the installation plate 100 is further provided with a cover member 120, the rear of the cover member 120, the first and second flanges 530 and 420 are accommodated in a receiving groove 122 is formed, , a protection part 124 for protecting the hinge part 210 of the buffer bar 200 is formed on the front of the cover member 120 .
- cutting holes 520 are formed at regular intervals along the outer circumferential surface between the crushing part 510 and the first flange 530, and as described above, the first buffer part A1 ), when a shock that cannot be resolved is applied, the crushed portion 510, which is the rear portion of the expansion member 500, is cut in the cutting hole 520.
- the impact is partially eliminated in the process in which the expansion member 500 is cut back and forth with respect to the cutting hole 520 , and the cut crushing part 510 is formed outside the front end of the housing 300 . It is moved rearward by the locking jaw 320 and the second locking jaw 560 formed on the inner circumferential surface of the crushing part 510 , thereby eliminating the remaining impact in the process of expanding the buffer tube 400 .
- the impact is primarily eliminated in the first shock absorber A1, and when a larger impact is applied, the impact is secondarily eliminated in the process in which the expansion member 500 is cut back and forth, and the crushing part In the process of expanding the 510 buffer tube 400 , the shock is resolved thirdly, so that even a strong shock can be stably resolved.
- the present invention is provided on the outside of the first shock absorber (A1) and the first shock absorber (A1) for buffering the shock by the buffer member 250 installed at the rear of the connector 600, the buffer tube ( In the process of expanding the tube 400 , the second cushioning part A2 for relieving the impact is all connected to the installation plate 100 .
- a centering device 700 is further provided at a lower portion of the protection part 124 protruding from the entire cover member 120 , and the centering device 700 is a centering device provided under the protection part 124 .
- a centering bar 720 that is rotatably installed by the member 710 and the centering member 710 and a side support member 740 connected to the front end of the centering bar 720 to support both sides of the connecting member 240 .
- a lower support member 730 provided under the side support member 740 to support the lower portion of the connection member 240 .
- the centering member 710 supports the centering bar 720 so that it is always positioned in a certain direction, so that even if the connector 600 rotates left and right based on the hinge part 210 depending on circumstances, it is stably in its original position. control to move to
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
Description
Claims (10)
- 충격이 가해질 때 이를 해소하는 충격 완충 장치에 있어서,바 형상으로 형성되는 완충바와,상기 완충바의 외측에 구비되는 하우징과,상기 완충바와 하우징 사이에 구비되는 완충부재로 이루어지는 제1완충부를 포함하여 이루어지는 것을 특징으로 하는 충격 완충 장치.
- 제1항에 있어서,상기 완충바의 외주면에는 제1설치홈이 형성되고,상기 하우징의 내주면에는 제1설치홈에 대응되도록 제2설치홈이 형성되며,상기 완충부재의 내측부는 제1설치홈에 삽입되고 외측부는 제2설치홈에 삽입되는 것을 특징으로 하는 충격 완충 장치.
- 제1항에 있어서,상기 제1완충부의 외측에는 제2완충부가 더 구비되되,상기 제2완충부는 상기 하우징의 외측에 구비되는 완충 튜브와,상기 하우징의 전단 외측, 상기 완충 튜브의 내측에 구비되는 확관부재로 이루어지는 것을 특징으로 하는 충격 완충 장치.
- 제3항에 있어서,상기 하우징의 전단 외주면에는 외측으로 돌출되도록 제1걸림턱이 형성되고,상기 확관부재의 내주면에는 상기 제1걸림턱에 대응되도록 제2걸림턱이 내측으로 돌출 형성되어 하우징에 의해 확관부재가 후방으로 이동하는 것을 특징으로 하는 충격 완충 장치.
- 제4항에 있어서,상기 확관부재는 외측방향으로 경사지게 형성되는 압괴부와,상기 압괴부의 전부에 외측으로 돌출되도록 형성되는 제1플랜지로 이루어지는 것을 특징으로 하는 충격 완충 장치.
- 제5항에 있어서,상기 확관부재는 압괴부와 제1플랜지의 사이에 외주면을 따라 절단공이 형성되는 것을 특징으로 하는 충격 완충 장치.
- 제5항에 있어서,상기 제1플랜지가 고정되는 설치판이 구비되되,상기 설치판의 중심부에는 상기 제1,2완충부가 삽입되는 설치공이 형성되는 것을 특징으로 하는 충격 완충 장치.
- 제7항에 있어서,상기 완충 튜브의 전단 외측에는 제2플랜지가 형성되고,상기 제2플랜지는 제1플랜지의 후면에 접하도록 위치하며,상기 제1,2플랜지는 상기 설치공의 외측에 결합 고정되는 것을 특징으로 하는 충격 완충 장치.
- 제2항에 있어서,상기 완충부재는 링형상으로 형성되는 것을 특징으로 하는 충격 완충 장치.
- 제2항에 있어서,상기 완충부재는 스파이럴 형상으로 형성되는 것을 특징으로 하는 충격 완충 장치.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP21712938.6A EP4059801A4 (en) | 2021-01-18 | 2021-01-18 | SHOCK ABSORBING DEVICE |
PCT/KR2021/000646 WO2022154145A1 (ko) | 2021-01-18 | 2021-01-18 | 충격 완충 장치 |
JP2021516472A JP7377859B2 (ja) | 2021-01-18 | 2021-01-18 | 衝撃緩衝装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/KR2021/000646 WO2022154145A1 (ko) | 2021-01-18 | 2021-01-18 | 충격 완충 장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022154145A1 true WO2022154145A1 (ko) | 2022-07-21 |
Family
ID=82447394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2021/000646 WO2022154145A1 (ko) | 2021-01-18 | 2021-01-18 | 충격 완충 장치 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4059801A4 (ko) |
JP (1) | JP7377859B2 (ko) |
WO (1) | WO2022154145A1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4052989B1 (en) * | 2021-01-25 | 2025-04-16 | Korea Railroad Research Institute | Centering device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100547188B1 (ko) * | 1998-03-30 | 2006-01-26 | 보이트 투르보 샤르펜베르크 게엠베하 운트 코. 카게 | 철도차량에서 센트럴 버퍼 커플링의 커플링 샤프트를 탄성지지하는 장치 |
KR20100125540A (ko) * | 2009-05-21 | 2010-12-01 | 한국철도기술연구원 | 충격 흡수 장치 |
US20120031299A1 (en) * | 2010-08-06 | 2012-02-09 | Voith Patent Gmbh | Energy-Absorbing Device Particularly For A Shock Absorber For A Track-Guided Vehicle |
KR20180076379A (ko) * | 2016-12-27 | 2018-07-06 | 한국철도기술연구원 | 철도차량 연결기용 충격흡수장치 |
KR20210010723A (ko) * | 2019-07-18 | 2021-01-28 | 한국철도기술연구원 | 충격 완충 장치 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB940067A (en) * | 1960-03-14 | 1963-10-23 | Andrew Broom | Improvements in shock absorbing devices |
KR101762733B1 (ko) * | 2015-12-17 | 2017-07-31 | 한국철도기술연구원 | 철도차량 연결기용 완충장치 |
-
2021
- 2021-01-18 EP EP21712938.6A patent/EP4059801A4/en active Pending
- 2021-01-18 WO PCT/KR2021/000646 patent/WO2022154145A1/ko unknown
- 2021-01-18 JP JP2021516472A patent/JP7377859B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100547188B1 (ko) * | 1998-03-30 | 2006-01-26 | 보이트 투르보 샤르펜베르크 게엠베하 운트 코. 카게 | 철도차량에서 센트럴 버퍼 커플링의 커플링 샤프트를 탄성지지하는 장치 |
KR20100125540A (ko) * | 2009-05-21 | 2010-12-01 | 한국철도기술연구원 | 충격 흡수 장치 |
US20120031299A1 (en) * | 2010-08-06 | 2012-02-09 | Voith Patent Gmbh | Energy-Absorbing Device Particularly For A Shock Absorber For A Track-Guided Vehicle |
KR20180076379A (ko) * | 2016-12-27 | 2018-07-06 | 한국철도기술연구원 | 철도차량 연결기용 충격흡수장치 |
KR20210010723A (ko) * | 2019-07-18 | 2021-01-28 | 한국철도기술연구원 | 충격 완충 장치 |
Also Published As
Publication number | Publication date |
---|---|
EP4059801A4 (en) | 2023-01-18 |
JP7377859B2 (ja) | 2023-11-10 |
JP2023513644A (ja) | 2023-04-03 |
EP4059801A1 (en) | 2022-09-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2022154145A1 (ko) | 충격 완충 장치 | |
WO2013191308A1 (ko) | 건설기계용 운전실 보호장치 | |
WO2012033370A9 (ko) | 자동차용 크래쉬 박스 | |
CN1976840A (zh) | 用于轨道车辆的中央缓冲联结器 | |
US20090008963A1 (en) | Energy absorbing element for multiple unit vehicles | |
WO2017094974A1 (ko) | 헬멧의 탈착식 패드 체결 구조 및 이를 포함하는 헬멧 | |
WO2021049821A1 (ko) | 자동차 조향컬럼 | |
CN112441491A (zh) | 低顶层补偿措施 | |
CA2486755C (en) | Connecting bogies | |
WO2018092978A1 (ko) | 자동차 배기관 고정용 행거 | |
WO2016175415A1 (ko) | 하이브리드 로어 암 | |
KR102218954B1 (ko) | 충격 완충 장치 | |
CA2317078C (en) | Coupler with extended emergency release and towing feature | |
WO2020241997A1 (ko) | 철도차량용 궤간가변 윤축 시스템 | |
WO2017022948A1 (ko) | 범퍼용 빔 | |
WO2020040429A1 (ko) | 보강주름이 형성된 자동차 도어의 충격흡수용 안전바 | |
WO2017126718A1 (ko) | 프론트 로어암 장치 | |
WO2012074155A1 (ko) | 차량용 브레이크 어웨이 시스템 | |
WO2022119268A1 (ko) | 자동차용 오버슬램 범퍼 | |
WO2020111846A1 (ko) | 자동차용 범퍼 빔 시스템 | |
WO2020045801A1 (ko) | 마우스 벤트를 포함하는 헬멧 | |
US6694890B2 (en) | Method and apparatus for providing a between car barrier for transportation vehicles | |
WO2023163295A1 (ko) | 랙 포스트 보호대 | |
WO2023003243A1 (ko) | 피충격체의 외부충격 완충과 흡수 및 충격속도 저감 장치 | |
WO2024136356A1 (ko) | 전기차 차체구조 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ENP | Entry into the national phase |
Ref document number: 2021516472 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 2021712938 Country of ref document: EP Effective date: 20210329 |
|
ENP | Entry into the national phase |
Ref document number: 2021712938 Country of ref document: EP Effective date: 20210329 |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21712938 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |