Carriage structure of passenger train
By installing anti-collision beams, steel cable connections, buffer devices, and retractable air curtains inside passenger train carriages, the problems of passenger injury and carriage damage during collisions in traditional carriages have been solved, achieving a safe and effective protective effect.
Patent Information
- Application Number
- CN202422814586.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-11-19
AI Technical Summary
When a traditional passenger train carriage is hit, the enormous impact force may cause passengers to be injured by hitting the seats in front or other objects. The inertial force may cause passengers and luggage inside to be thrown out and hit the facilities inside the carriage, resulting in serious secondary injuries. The carriage walls may also be dented inward, endangering passenger safety.
A collision protection mechanism is installed between the outer and inner walls of the carriage, including trapezoidal collision beams, a collision protection network connected by steel cables, reinforcing ribs and buffer devices, combined with retractable protective air curtains and buffer seat structures to disperse and absorb impact forces and prevent secondary injuries.
It effectively disperses and absorbs impact force, reduces the risk of passenger injury, prevents the carriage walls from denting, provides a safety barrier, and protects passenger safety.
Smart Images
Figure CN223546304U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of passenger carriage technology, specifically, it relates to a passenger train carriage structure. Background Technology
[0002] With the rapid development of railway transportation, the safety of passenger trains, especially their safety in the event of a collision, has received widespread attention. In the event of a collision, the immense impact force of a traditional passenger train carriage can cause passengers to hit their seats or other objects, resulting in a high risk of injury. Furthermore, in cases of severe impact, passengers and luggage can be ejected due to inertia, impacting the carriage walls or other structures and causing secondary injuries. In the event of a rear-end collision or a collision with a foreign object, the powerful impact can often cause the carriage walls to cave inward, endangering passenger lives. Therefore, a new type of collision-resistant passenger train carriage is needed to effectively address these potential risks.
[0003] To address these issues and shortcomings, the inventors have developed a safer passenger train carriage structure. Utility Model Content
[0004] To address the issues raised by traditional passenger train carriages during collisions, such as the high risk of passenger injury from impacts to seats or other objects, and the secondary injuries caused by passengers and luggage being ejected due to inertia and impacting carriage walls or other structures in the event of a rear-end collision or collision with an object, and the technical problem that the powerful impact often causes the carriage walls to cave inward, endangering passenger safety, the basic concept of this utility model is as follows:
[0005] A passenger train carriage structure includes an outer wall and an inner wall. An anti-collision mechanism is provided in the interlayer between the outer wall and the inner wall. The anti-collision mechanism includes several anti-collision beams and reinforcing ribs. The anti-collision beams are trapezoidal frames with a larger opening facing outward. Steel cables are fixedly connected between the anti-collision beams, and the parallel anti-collision beams are connected in series by the steel cables. A first spring is fixedly installed inside the anti-collision beam.
[0006] In a preferred embodiment of the present invention, a reinforcing rib is fixedly connected to one end of the inner side of the anti-collision beam. The reinforcing rib and the inner and outer sides of the anti-collision beam are fixedly connected to the inner wall of the carriage and the outer wall of the carriage, respectively. A reinforcing plate is fixedly connected inside the reinforcing rib, and the reinforcing plate divides the internal space of the reinforcing rib into a trapezoidal shape.
[0007] In a preferred embodiment of this utility model, a protective air curtain is fixedly installed on the top of the inner wall of the carriage, and several seats are provided at the bottom of the inner wall of the carriage. A buffer box is fixedly connected to the lower end of the seats, and a sliding groove is provided inside the buffer box.
[0008] In a preferred embodiment of this utility model, a slider is movably installed inside the slide groove, a support plate is fixedly connected to the lower end of the slider, a fixing plate is fixedly connected to the lower end of the support plate, and a plurality of bolt holes are provided on the plate body of the fixing plate, and the fixing plate is fixedly installed at the bottom of the inner wall of the carriage by bolts and bolt holes.
[0009] In a preferred embodiment of this utility model, both ends of the slider are fixedly connected to hydraulic dampers, the telescopic rod end of the hydraulic damper is fixedly connected to a top plate, the other side of the top plate is fixedly connected to an air spring, the other end of the air spring is fixedly connected to the inner wall of the slide groove opened in the buffer box, and the inside of the air spring is sealed, and a second spring is fixedly installed in the cavity.
[0010] Compared with the prior art, the present invention has the following advantages:
[0011] This invention features trapezoidal anti-collision beams spaced at the front and rear ends and sides of the carriage. This design effectively disperses impact force. Meanwhile, the seats and berths are equipped with a combination of compressible air springs and hydraulic dampers to prevent passengers from suffering secondary injuries due to rebound. Furthermore, retractable safety curtains are installed on both sides of the aisle and at the ends of the carriage. When an impact occurs, the safety curtains can quickly deploy to form a protective barrier of appropriate height, preventing passengers from being thrown towards hard objects at the ends of the carriage or on both sides of the aisle due to the impact force.
[0012] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description
[0013] In the attached diagram:
[0014] Figure 1 This is a partial cross-sectional three-dimensional front view schematic diagram of a passenger train carriage structure;
[0015] Figure 2 This is a partial cross-sectional three-dimensional front view schematic diagram of a passenger train carriage structure;
[0016] Figure 3 A schematic diagram of an internal anti-collision structure within a passenger train carriage.
[0017] Figure 4 A schematic diagram of a passenger train carriage structure viewed from below;
[0018] Figure 5 This is a schematic cross-sectional view of the buffer structure of a passenger train carriage.
[0019] Figure 6 This is an enlarged schematic diagram of the buffer structure of a passenger train carriage.
[0020] Figure 7 A schematic cross-sectional view of the reinforcing ribs in a passenger train carriage structure;
[0021] Figure 8 This is a schematic cross-sectional view of the seat back of a passenger train carriage.
[0022] In the diagram: 1. Carriage; 2. Anti-collision beam; 3. Seat; 4. Protective air curtain; 5. Steel cable; 6. Reinforcing rib; 7. Buffer box; 8. Slide rail; 9. Support plate; 10. Fixing plate; 11. Sliding block; 12. Hydraulic damper; 13. Air spring; 14. Top plate; 15. Carriage inner wall; 16. Second spring; 17. Reinforcing plate; 18. Support airbag; 19. First spring. Detailed Implementation
[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model.
[0024] like Figures 1 to 8 As shown, a passenger train carriage structure includes an outer wall 1 and an inner wall 15. An anti-collision mechanism is provided in the interlayer between the outer wall 1 and the inner wall 15. The anti-collision mechanism includes several anti-collision beams 2 and reinforcing ribs 6. The anti-collision beams 2 are trapezoidal frames with a larger opening facing outwards. Steel cables 5 are fixedly connected between the anti-collision beams 2, and the parallel anti-collision beams 2 are connected in series by the steel cables 5. A first spring 19 is fixedly installed inside the anti-collision beam 2. A reinforcing rib 6 is fixedly connected to one end of the inner side of the anti-collision beam 2. The reinforcing rib 6 and the inner and outer sides of the anti-collision beam 2 are fixedly connected to the inner wall 15 and the outer wall 1 of the carriage, respectively. A reinforcing plate 17 is fixedly connected inside the reinforcing rib 6, and the reinforcing plate 17 divides the internal space of the reinforcing rib 6 into a trapezoidal shape.
[0025] In this design, anti-collision beams 2 are installed at intervals at the front and rear ends and sides of the vehicle body. The anti-collision beams 2 are made of high-strength titanium alloy and are trapezoidal in shape, with the side with the larger cross-section facing the direction of impact. This design effectively disperses the impact force, transferring the concentrated impact force along the hypotenuse of the trapezoid to a larger area, avoiding excessive local stress. Adjacent anti-collision beams are connected by high-strength, high-toughness steel cables 5, forming an integrated anti-collision network. When an anti-collision beam 2 is impacted, the force can be transferred to other anti-collision beams 2 via the steel cables 5, further dispersing and buffering the impact force.
[0026] like Figures 1 to 8 As shown, in a specific embodiment, a protective air curtain 4 is fixedly installed on the top of the inner wall 15 of the carriage, and several seats 3 are provided at the bottom of the inner wall 15 of the carriage. A buffer box 7 is fixedly connected to the lower end of the seat 3, and a sliding groove 8 is opened inside the buffer box 7. A slider 11 is movably installed inside the sliding groove 8. A support plate 9 is fixedly connected to the lower end of the slider 11, and a fixing plate 10 is fixedly connected to the lower end of the support plate 9. Several bolt holes are opened on the plate body of the fixing plate 10, and the fixing plate 10 is fixedly installed at the bottom of the inner wall 15 of the carriage by bolts and bolt holes.
[0027] In this configuration, the seat and berth backrests utilize a cushioning structure, with adjustable neck and lumbar support airbags 18 installed on the backrests. This provides passengers with a comfortable riding experience during normal operation and protects their spine and neck from injury in the event of a collision. Retractable safety curtains 4 are installed on both sides of the aisle and at the ends of the carriage. Normally, the safety curtains 4 retract into the carriage walls, not obstructing passenger passage. Upon impact, the safety curtains 4 deploy rapidly, forming a protective barrier of appropriate height to prevent passengers from being thrown towards hard objects at the ends of the carriage or along the aisle. The safety curtains 4 are made of high-strength polycarbonate material with internal crisscrossing reinforcing ribs, ensuring both transparency and sufficient strength to withstand impact.
[0028] like Figures 1 to 8 As shown, in a specific embodiment, both ends of the slider 11 are fixedly connected to hydraulic dampers 12, the end of the telescopic rod of the hydraulic damper 12 is fixedly connected to a top plate 14, the other side of the top plate 14 is fixedly connected to an air spring 13, the other end of the air spring 13 is fixedly connected to the inner wall of the slide groove 8 opened in the buffer box 7, and the inside of the air spring 13 is sealed, and a second spring 16 is fixedly installed in the cavity.
[0029] In this configuration, the bottom of the seats 3 and berths is equipped with a buffer device consisting of a compressible air spring 13 and a hydraulic damper 12. When the carriage is impacted, the air spring 13 is first compressed to absorb part of the impact force, and then the hydraulic damper 12 comes into play to slow down the rebound speed of the air spring 13, preventing passengers from suffering secondary injuries due to the rebound.
[0030] The implementation principle of a passenger train carriage structure in this embodiment is as follows:
[0031] This invention features anti-collision beams 2 spaced at the front and rear ends and sides of the vehicle body. These beams are made of high-strength titanium alloy and are trapezoidal in shape, with the larger cross-section facing the impact direction. This design effectively disperses the impact force, transferring concentrated impact along the hypotenuse of the trapezoid to a larger area, preventing excessive local stress. Adjacent anti-collision beams are connected by high-strength, high-toughness steel cables 5, forming a unified anti-collision network. When an anti-collision beam 2 is impacted, the force can be transferred to other anti-collision beams 2 via the steel cables 5, further dispersing and buffering the impact force.
[0032] Meanwhile, the bottom of seats 3 and berths is equipped with a buffer device consisting of compressible air springs 13 and hydraulic dampers 12. When the carriage is impacted, the air springs 13 are compressed first to absorb some of the impact force, and then the hydraulic dampers 12 take effect to slow down the rebound speed of the air springs 13, preventing passengers from suffering secondary injuries due to the rebound. At the same time, the backrests of the seats and berths adopt a buffer structure, and adjustable neck and lumbar support airbags 18 are set on the backrests to provide passengers with a comfortable riding experience during normal operation and to protect passengers' spine and neck from injury in the event of a collision.
[0033] Furthermore, retractable safety curtains 4 are installed on both sides of the aisle and at the ends of the carriage. Normally, the safety curtains 4 are retracted within the carriage walls, not obstructing passenger passage. In the event of an impact, the safety curtains 4 can quickly deploy, forming a protective barrier of appropriate height to prevent passengers from being thrown towards hard objects at the ends of the carriage or along the aisle due to the impact force. The safety curtains 4 are made of high-strength polycarbonate material with crisscrossing reinforcing ribs inside, ensuring both transparency and sufficient strength to withstand impact.
Claims
1. A passenger train carriage structure, comprising an outer wall (1) and an inner wall (15), characterized in that: An anti-collision mechanism is provided in the interlayer between the outer wall (1) and the inner wall (15) of the carriage. The anti-collision mechanism includes several anti-collision beams (2) and reinforcing ribs (6). The anti-collision beams (2) are trapezoidal frames with a larger opening facing outwards. Steel cables (5) are fixedly connected between the anti-collision beams (2), and the parallel anti-collision beams (2) are connected in series by the steel cables (5). A first spring (19) is fixedly installed inside the anti-collision beams (2).
2. The passenger train carriage structure according to claim 1, characterized in that, The inner end of the anti-collision beam (2) is fixedly connected to a reinforcing rib (6). The inner and outer sides of the reinforcing rib (6) and the anti-collision beam (2) are fixedly connected to the inner wall (15) and the outer wall (1) of the carriage, respectively. The reinforcing rib (6) is fixedly connected to a reinforcing plate (17), which divides the internal space of the reinforcing rib (6) into a trapezoidal shape.
3. The passenger train carriage structure according to claim 2, characterized in that, A protective air curtain (4) is fixedly installed on the top of the inner wall (15) of the carriage, and several seats (3) are provided at the bottom of the inner wall (15). A support airbag (18) is fixedly installed inside the backrest of the seat (3), and a buffer box (7) is fixedly connected to the lower end of the seat (3). A sliding groove (8) is opened inside the buffer box (7).
4. The passenger train carriage structure according to claim 3, characterized in that, The slide (8) is equipped with a slider (11) inside. The lower end of the slider (11) is fixedly connected to a support plate (9). The lower end of the support plate (9) is fixedly connected to a fixing plate (10). The fixing plate (10) has several bolt holes on its body. The fixing plate (10) is fixedly installed at the bottom of the inner wall (15) of the carriage by bolts and bolt holes.
5. A passenger train carriage structure according to claim 4, characterized in that, Both ends of the slider (11) are fixedly connected to hydraulic dampers (12). The telescopic rod of the hydraulic damper (12) is fixedly connected to a top plate (14). An air spring (13) is fixedly connected to the other side of the top plate (14). The other end of the air spring (13) is fixedly connected to the inner wall of the slide groove (8) opened in the buffer box (7). The air spring (13) is sealed inside, and a second spring (16) is fixedly installed inside the cavity.