CN115817549A - Retraction device of driver seat of railway vehicle - Google Patents
Retraction device of driver seat of railway vehicle Download PDFInfo
- Publication number
- CN115817549A CN115817549A CN202211558293.6A CN202211558293A CN115817549A CN 115817549 A CN115817549 A CN 115817549A CN 202211558293 A CN202211558293 A CN 202211558293A CN 115817549 A CN115817549 A CN 115817549A
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- CN
- China
- Prior art keywords
- seat
- climbing
- retraction
- driver
- 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.)
- Pending
Links
- 238000010521 absorption reaction Methods 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000004083 survival effect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D33/00—Seats
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F19/00—Wheel guards; Bumpers; Obstruction removers or the like
- B61F19/04—Bumpers or like collision guards
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The application discloses a retraction device of a driver seat of a railway vehicle, which comprises an anti-climbing energy-absorbing component; a slidable seat with a safety belt; the retraction guide device comprises an anti-climbing traction rod connected with the anti-climbing energy absorption assembly; the guide seat is arranged at one end of the anti-climbing traction rod, which is far away from the anti-climbing energy-absorbing assembly; one end of the retraction guide rod is connected with the guide seat, and the other end of the retraction guide rod is connected with the seat. The application provides a rail vehicle driver seat's device that contracts that moves back utilizes the anti-creep energy-absorbing subassembly to contract back in the collision, drives driver seat when the collision takes place, and synchronous retreats, keeps away from the vehicle tip that takes place the collision deformation, for the driver provides bigger living space in the collision accident, improves the probability that the driver survived.
Description
Technical Field
The application relates to a rail vehicle safety technical field especially relates to a device that contracts backward of rail vehicle driver's seat.
Background
The running safety of the railway vehicle is always a common concern of the public, and particularly, once the passenger vehicle running fast has an accidental collision, a great safety accident is caused. To minimize the loss of accident, the importance of fully considering the crashworthiness of a vehicle in its design is increasingly recognized.
In recent years, the international passive protection technology is designed to ensure that the kinetic energy of collision is orderly absorbed and converted into plastic deformation energy by an energy absorption device during collision of a vehicle through the design of the collision resistance of a train, thereby achieving the aim of protecting the life safety of passengers to the greatest extent. The design concept is generally accepted by all countries and is applied to rail vehicles in China, but due to the accident, the collision speed is often greater than the designed capacity of the energy absorption device, so that the safety problem of driver casualty caused by the compression of the living space of the driver is caused.
Disclosure of Invention
In order to solve the technical problems, the invention provides a retraction device of a driver seat of a railway vehicle, which utilizes the retraction action of an anti-climbing energy-absorbing component in the collision to drive the driver seat to synchronously retract when the collision happens and keep away from the end part of the vehicle which is deformed by the collision, thereby providing a larger living space for the driver in the collision accident and improving the survival probability of the driver.
The technical scheme provided by the invention is as follows:
a retraction device for a driver seat of a railway vehicle comprises,
an anti-creep energy absorbing assembly;
a slidable seat with a safety belt;
the retraction guiding device comprises a guide rod,
the anti-climbing traction rod is connected with the anti-climbing energy absorption assembly;
the guide seat is arranged at one end of the anti-climbing traction rod, which is far away from the anti-climbing energy-absorbing assembly;
one end of the retraction guide rod is connected with the guide seat, and the other end of the retraction guide rod is connected with the slidable seat with the safety belt.
It is preferable that ， The slidable seat with the safety belt can slide specifically, the slidable seat with the safety belt also comprises a base used for installing the slidable seat with the safety belt; a rail mounted on the cab chassis, the base being slidable on the rail.
Preferably, the retraction device of the driver seat of the railway vehicle further comprises a shear block sleeved on the guide rail, and the base is installed on the shear block.
Preferably, the cutout comprises a first cutout plate; and the second shear plate is positioned above the first shear plate, and the first shear plate and the second shear plate are connected through a connector, so that a space for accommodating the guide rail is formed between the first shear plate and the second shear plate.
Preferably, the base comprises a mounting portion for mounting the slidable seat with a safety belt, the mounting portion being slidable on the guide rail; and the connecting part is connected with the mounting part, and the retraction guide rod is connected with the connecting part.
Preferably, the guide seat comprises a horizontal part sleeved with the guide rail;
and the vertical part is connected with the horizontal part, one side of the vertical part is connected with the retraction guide rod, and the other side of the vertical part is connected with the anti-climbing traction rod.
Preferably, the side wall of the front end periphery of the cab underframe longitudinally extends to form a guard rail, and hollow parts are arranged on two sides of the guard rail.
Preferably, the anti-climbing energy-absorbing assembly comprises an energy-absorbing pipe; the anti-climbing device comprises anti-climbing teeth connected with one end of the energy absorption pipe and an anti-climbing device support connected with the other end of the energy absorption pipe, wherein the anti-climbing device support is fixedly connected with the front end of the protective guard.
Preferably, the anti-climbing traction rod penetrates through the anti-climbing device support and the energy absorption pipe to be connected to one side of the anti-climbing teeth.
Preferably, the anti-creeper support is of a plate-shaped structure provided with a boss, and one end of the energy absorption pipe is connected with the boss.
The invention provides a retraction device of a driver seat of a railway vehicle, which comprises an anti-climbing energy-absorbing assembly, a slidable seat with a safety belt and a retraction guiding device, wherein the anti-climbing energy-absorbing assembly is used for deforming, absorbing and impacting kinetic energy in a collision accident, and the retraction guiding device is used for transferring retraction action of the anti-climbing energy-absorbing assembly in the collision to the slidable seat with the safety belt so that the slidable seat with the safety belt can be synchronously retracted when the collision happens. The retraction guiding device is provided with an anti-climbing traction rod connected with the anti-climbing energy absorption assembly, one end of the anti-climbing traction rod, which is far away from the anti-climbing energy absorption assembly, is provided with a guiding seat, a retraction guiding rod is connected between the guiding seat and the slidable seat with the safety belt, and the retraction guiding rod transmits retraction action transmitted by the anti-climbing traction rod to the slidable seat with the safety belt. When the rail vehicle collides, the anti-climbing energy-absorbing assembly is compressed, deformed and absorbed impact kinetic energy, and the anti-climbing traction rod connected with the anti-climbing energy-absorbing assembly is driven to move backwards, so that the retraction guide rod is guided by the guide seat connected with the anti-climbing traction rod, the slidable anti-climbing energy-absorbing assembly can be pushed to slide backwards with the safety belt seat, and the safety belt and the seat can take personnel away from the far end, thereby keeping away from the vehicle end deformed by collision, providing a larger living space for a driver in a collision accident, and improving the survival probability of the driver.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a structural view of a retraction device of a driver seat of a railway vehicle before retraction;
FIG. 2 is a view of the retractable device of the driver's seat of the railway vehicle after retraction;
FIG. 3 is a schematic structural diagram of the whole of the anti-creep energy-absorbing assembly and the retraction guiding device;
FIG. 4 is a schematic view of a slidable seat;
reference numerals:
an anti-creep energy absorbing assembly 100, an anti-creep tooth 110, an energy absorbing tube 120, an anti-creep support 130,
a retracting guide 200, an anti-climbing drawbar 210, a guide holder 220, a retracting guide rod 230,
the sliding seat 300, the base 310, the mounting portion 311, the connecting portion 312, the safety belt 313, the cutout 320, the first shear plate 321, the second shear plate 322, the cab underframe 400, the guide rail 500, and the guard rail 600.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, are not essential to the technology, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.
As shown in fig. 1 to 4, the embodiment of the invention provides a retraction device for a driver seat of a railway vehicle, which comprises a climbing-proof energy-absorbing assembly 100; a seat 300 with a belt 313 and a retraction guide 200 is slidable. Wherein, the retraction guiding device 200 comprises an anti-climbing traction bar 210 connected with the anti-climbing energy-absorbing assembly 100; a guide holder 220 installed at one end of the anti-creep traction bar 210 far from the anti-creep energy-absorbing assembly 100; a retracting guide rod 230 having one end connected to the guide holder 220 and the other end connected to a seat 300 slidably having a safety belt 313.
According to the retracting device for the driver seat of the railway vehicle, provided by the embodiment of the invention, when the railway vehicle collides, the anti-climbing energy-absorbing assembly 100 is compressed, deformed and absorbed with impact kinetic energy, and meanwhile, the anti-climbing traction rod 210 connected with the anti-climbing energy-absorbing assembly 100 is driven to move backwards, so that the retracting guide rod 230 pushes the seat 300 with the sliding safety belt 313 to slide backwards under the guide of the guide seat 220 connected with the anti-climbing traction rod 210, and people are taken away from the far end by the safety belt and the seat, so that the end of the vehicle which is deformed by collision is far away from the end, a larger living space is provided for the driver in the collision accident, and the survival probability of the driver is improved.
As a preferred implementation manner of the embodiment of the present invention, the slidable seat with a seat belt 313 in the embodiment of the present invention may further include a base 310 for mounting the seat with a seat belt 313 300; a guide rail 500 installed on the cab underframe 400, and the base 310 can slide on the guide rail 500.
The base 310 is a seat-shaped structure formed by combining a plurality of metal plates, is positioned behind the seat retraction guiding rod 230, is fixed below the seat 330 by bolts, and can control and guide the retraction movement direction of the seat 300 by a guide rail 500 formed on the cab underframe 400 when the seat 300 with the safety belt 313 capable of sliding retracts.
As a preferred implementation manner of the embodiment of the present invention, the retracting device for a driver seat of a railway vehicle provided in the embodiment of the present invention further includes a cutout 320 that is sleeved on the guide rail 500, and the base 310 is mounted on the cutout 320. Cutout 320 includes, a first cutout plate 321; and a second cutting plate 322 disposed above the first cutting plate 321, wherein the first cutting plate 321 and the second cutting plate 322 are connected by a connector, so that a space for accommodating the rail 500 is formed between the first cutting plate 321 and the second cutting plate 322.
The cutout 320 is a metal wedge structure, is located below the sliding base 310 with the seat belt 313 and the seat 300, is installed in a guide rail on the cab underframe 400, and is connected with the cab underframe 400 through a cutout bolt. When the load transmitted by the sliding base 310 exceeds the bearing limit of the shearing bolt, the shearing block 320 is loosened from the sliding base 310, the seat 300 with the safety belt 313 slides and retracts, and the seat 300 is prevented from being linked and retracted due to daily load.
Preferably, the base 310 in the embodiment of the present invention includes a mounting portion 311 for mounting the seat 300 with the seat belt 313, the mounting portion 311 being slidable on the rail 500; the connecting portion 312 connected to the mounting portion 311, and the retraction guide lever 230 are connected to the connecting portion 312.
As a preferred structure of the embodiment of the present invention, the guide base 220 includes a horizontal portion sleeved with the guide rail 500; and a vertical part connected with the horizontal part, one side of which is connected with the retraction guide rod 230, and the other side of which is connected with the anti-creep traction rod 210.
As a preferred structure of the embodiment of the present invention, the front peripheral sidewall of the cab chassis 400 extends longitudinally to form the guard rail 600, and hollow portions are formed at both sides of the guard rail 600. The guard rail 600 can prevent a driver from being injured when the front end of the vehicle is deformed by a collision.
As a preferable structure of the embodiment of the present invention, the anti-creep energy-absorbing assembly 100 includes, an energy-absorbing tube 120; the anti-climbing device comprises anti-climbing teeth 110 connected with one end of an energy absorption pipe 120, an anti-climbing device support 130 connected with the other end of the energy absorption pipe 120, and the anti-climbing device support 130 is fixedly connected with the front end of the protective guard.
The anti-climbing teeth 110 are formed by a plurality of concave teeth, and are made of metal materials and positioned at the front end of the anti-climbing energy-absorbing assembly 100, so that the vertical dislocation motion in the vehicle collision accident can be inhibited. The energy-absorbing pipe 120 is a tubular structure provided with a prefabricated notch, and the impact energy is absorbed through plastic deformation of the energy-absorbing pipe 120 and fracture of the prefabricated notch in the collision accident.
As a preferable structure of the embodiment of the present invention, a hole is formed at the front end of the guard rail, and after passing through the hole, the anti-climbing drawbar 210 penetrates through the anti-climbing device support 130 and the energy-absorbing pipe 120 and is connected to one end of the anti-climbing tooth 110.
As a preferable structure of the embodiment of the present invention, the anti-creeper support 130 is a plate-shaped structure provided with a boss, and one end of the energy absorbing pipe 120 is connected to the boss. The plastic deformation and fracture of the energy absorbing tube 120 can be controlled by the boss structure of the anti-creeper mount 130.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A retraction device for a driver seat of a railway vehicle is characterized by comprising,
an anti-creep energy absorbing assembly (100);
a slidable seat with a safety belt (300);
retraction guide means (200) comprising,
an anti-creep traction bar (210) connected with the anti-creep energy-absorbing assembly (100);
a guide seat (220) which is arranged at one end of the anti-climbing traction rod (210) far away from the anti-climbing energy-absorbing assembly (100);
a retraction guide rod (230) having one end connected to the guide base (220) and the other end connected to the slidable seatbelt seat (300).
2. The track vehicle driver seat retraction arrangement according to claim 1, wherein the slidable seatbelt seat (300) is slidable, in particular, further comprising,
a base (310) for mounting the slidable seat with safety belt (300);
a guide rail (500) mounted on a cab chassis (400), the base (310) being slidable on the guide rail (500).
3. The retracting device for a driver's seat of a railway vehicle as claimed in claim 2, further comprising,
the cutting block (320) is sleeved on the guide rail (500), and the base (310) is installed on the cutting block (320).
4. The track vehicle driver seat retraction arrangement according to claim 3, wherein the cutout (320) comprises,
a first shear plate (321);
a second shear plate (322) above the first shear plate (321), the first shear plate (321) and the second shear plate (322) being connected by a connector such that a space for accommodating the guide rail (500) is formed between the first shear plate (321) and the second shear plate (322).
5. The track vehicle driver seat retraction arrangement according to claim 2, wherein the base (310) comprises,
a mounting portion (311) for mounting the slidable seatbelt seat (300), the mounting portion (311) being slidable on the rail (500);
and a connecting portion (312) connected to the mounting portion (311), wherein the retraction guide lever (230) is connected to the connecting portion (312).
6. The retraction device for driver's seats of rail vehicles according to any of claims 1 to 5, characterized in that the guide seat (220) comprises,
a horizontal part sleeved with the guide rail (500);
and a vertical part connected with the horizontal part, wherein one side of the vertical part is connected with the retraction guide rod (230), and the other side of the vertical part is connected with the anti-climbing traction rod (210).
7. The retracting device for a driver's seat of a railway vehicle as claimed in claim 6, wherein the front peripheral sidewall of the cab underframe (400) extends longitudinally to form a guard rail (600), and hollowed-out portions are formed on two sides of the guard rail (600).
8. The track vehicle driver seat retraction arrangement according to claim 7, wherein the anti-creep energy-absorbing assembly (100) comprises,
an energy absorbing tube (120);
the anti-climbing device comprises anti-climbing teeth (110) connected with one end of an energy absorption pipe (120), and an anti-climbing device support (130) connected with the other end of the energy absorption pipe (120), wherein the anti-climbing device support (130) is fixedly connected with the front end of the protective guard (600).
9. The retracting device of a driver's seat for a railway vehicle according to claim 8, wherein the anti-creep traction bar (210) is connected to one side of the anti-creep tooth (110) through the anti-creep bracket (130) and the energy absorbing tube (120).
10. The retracting device of a driver's seat for a railway vehicle according to claim 9, wherein the anti-creeper mount (130) is a plate-like structure provided with a boss, and one end of the energy absorbing pipe (120) is connected to the boss.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211558293.6A CN115817549A (en) | 2022-12-06 | 2022-12-06 | Retraction device of driver seat of railway vehicle |
| PCT/CN2023/124198 WO2024120007A1 (en) | 2022-12-06 | 2023-10-12 | Retraction device for driver seat of rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211558293.6A CN115817549A (en) | 2022-12-06 | 2022-12-06 | Retraction device of driver seat of railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115817549A true CN115817549A (en) | 2023-03-21 |
Family
ID=85545302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211558293.6A Pending CN115817549A (en) | 2022-12-06 | 2022-12-06 | Retraction device of driver seat of railway vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115817549A (en) |
| WO (1) | WO2024120007A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024120007A1 (en) * | 2022-12-06 | 2024-06-13 | 中车株洲电力机车有限公司 | Retraction device for driver seat of rail vehicle |
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| JP2002096728A (en) * | 2000-09-25 | 2002-04-02 | Tokyu Car Corp | Operator room structure for rail road vechicle |
| CN107792108A (en) * | 2017-10-23 | 2018-03-13 | 中车长春轨道客车股份有限公司 | A kind of railcar driver's chair collides setback device |
| CN112078620A (en) * | 2020-09-16 | 2020-12-15 | 中车株洲电力机车有限公司 | Front end structure of railway vehicle |
| CN112757973A (en) * | 2021-01-20 | 2021-05-07 | 丁祥兰 | Vehicle seat buffer structure |
| CN216546156U (en) * | 2021-11-26 | 2022-05-17 | 南京派格斯游乐设备有限公司 | Stabilizing device of rail sliding trolley |
| CN115362082A (en) * | 2020-03-30 | 2022-11-18 | 博泽科堡汽车零件欧洲两合公司 | Seat track set for longitudinal adjustment of a vehicle seat and energy absorber and locking device, in particular for such a seat track set |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107234988A (en) * | 2017-05-25 | 2017-10-10 | 孙伍平 | A kind of bus, bus man safety seat |
| CN108001311A (en) * | 2017-07-25 | 2018-05-08 | 深圳市乾行达科技有限公司 | Seat bindiny mechanism |
| CN112109758B (en) * | 2020-09-16 | 2021-10-26 | 中车株洲电力机车有限公司 | Rail vehicle anti-collision system and method |
| CN115817549A (en) * | 2022-12-06 | 2023-03-21 | 中车株洲电力机车有限公司 | Retraction device of driver seat of railway vehicle |
-
2022
- 2022-12-06 CN CN202211558293.6A patent/CN115817549A/en active Pending
-
2023
- 2023-10-12 WO PCT/CN2023/124198 patent/WO2024120007A1/en unknown
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002096728A (en) * | 2000-09-25 | 2002-04-02 | Tokyu Car Corp | Operator room structure for rail road vechicle |
| CN107792108A (en) * | 2017-10-23 | 2018-03-13 | 中车长春轨道客车股份有限公司 | A kind of railcar driver's chair collides setback device |
| CN115362082A (en) * | 2020-03-30 | 2022-11-18 | 博泽科堡汽车零件欧洲两合公司 | Seat track set for longitudinal adjustment of a vehicle seat and energy absorber and locking device, in particular for such a seat track set |
| CN112078620A (en) * | 2020-09-16 | 2020-12-15 | 中车株洲电力机车有限公司 | Front end structure of railway vehicle |
| CN112757973A (en) * | 2021-01-20 | 2021-05-07 | 丁祥兰 | Vehicle seat buffer structure |
| CN216546156U (en) * | 2021-11-26 | 2022-05-17 | 南京派格斯游乐设备有限公司 | Stabilizing device of rail sliding trolley |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024120007A1 (en) * | 2022-12-06 | 2024-06-13 | 中车株洲电力机车有限公司 | Retraction device for driver seat of rail vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024120007A1 (en) | 2024-06-13 |
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