Rubber protection device for railway vehicle connecting mechanism

By introducing a buffer protection mechanism consisting of an arc-shaped buffer plate and a damping plate into the rail vehicle connection mechanism, the impact problem caused by passengers stepping on the vehicle is solved, achieving a more stable buffering effect and a longer service life.

CN224104081UActive Publication Date: 2026-04-10YANGZHOU GAOXIN RUBBER & PLASTIC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANGZHOU GAOXIN RUBBER & PLASTIC
Filing Date
2025-06-07
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Traditional rail vehicle connection mechanisms lack effective cushioning when passengers step on them, causing the impact force to act directly on the connection mechanism, resulting in wear and instability.

Method used

A buffer protection mechanism including an arc-shaped buffer plate, a damping plate, a pulley, and a U-shaped support rod is designed. Through the cooperation of the arc-shaped buffer plate and the damping plate, the pulley rolls in the groove, and the U-shaped support rod is movably connected to the transition block, providing flexible buffering and enhancing the buffering performance.

Benefits of technology

It effectively absorbs impact forces, enhances the stability and service life of the connecting mechanism, improves passenger comfort, and reduces the risk of wear and loosening of connecting parts.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224104081U_ABST
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Abstract

The utility model discloses a rubber protection device for a railway vehicle connecting mechanism, which comprises two groups of carriage butt joint supports, and a buffer protection mechanism and a flexible buffer connecting plate arranged between the two groups of carriage butt joint supports, and is characterized in that the buffer protection mechanism comprises a radian buffer plate arranged between the two groups of carriage butt joint supports; connecting blocks are fixedly arranged at the radian angle positions of the two ends of the radian buffer plate correspondingly, pulleys are assembled in the two carriage butt joint supports correspondingly, one end of each pulley is connected with a U-shaped supporting rod, an adapter block is arranged at one end of each U-shaped supporting rod, and the U-shaped supporting rods are connected with the connecting blocks through cooperation of the adapter blocks and movable bolts. Impact force can be effectively absorbed by matching the radian buffer plate with the damping plate with the matched radian below, the pulley is matched with the sliding groove, the U-shaped supporting rod is movably connected with the radian buffer plate connecting block through the adapter block and the movable bolt, the buffer protection mechanism can flexibly adapt to different stress states, the buffer performance is enhanced, and the impact degree of the connecting mechanism is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rail vehicle technical field especially relates to a rubber protection device for rail vehicle connecting mechanism. BACKGROUND

[0002] The rubber protection device for rail vehicle connecting mechanism is a rubber product for protecting the connecting part of the rail vehicle, usually having the functions of shock absorption, sealing, noise reduction, etc., which can improve the safety, stability and comfort of the rail vehicle operation, and prolong the service life of the vehicle and related parts.

[0003] At present, most of the traditional connecting mechanism protection devices have simple structure, and most of them are in the form of flat straight plate when dealing with the situation of passenger stepping, lack necessary buffer and adaptive design, when passengers frequently step on the connecting part of the car, due to the lack of effective buffer mechanism, not only the passengers will feel obvious discomfort, but also the large impact force will directly act on the connecting mechanism, in the long run, this high strength impact is easy to accelerate the wear of the connecting parts, causing the loosening of connecting bolts, deformation of key parts and other conditions, which seriously affects the stability and service life of the connecting mechanism.

[0004] Therefore, we provide a rubber protection device for rail vehicle connecting mechanism. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at the above-mentioned technical problem, provides a rubber protection device for rail vehicle connecting mechanism, solves the impact problem caused by passenger stepping in the prior art.

[0006] Therefore, the utility model provides a rubber protection device for rail vehicle connecting mechanism, which comprises two groups of car docking supports, a buffer protection mechanism and a flexible buffer link plate are arranged between the two groups of car docking supports.

[0007] The buffer protection mechanism comprises an arc buffer plate arranged between the two groups of car docking supports, and the two ends of the arc buffer plate are respectively provided with a connecting block, a pulley is arranged in each of the two groups of car docking supports, one end of each pulley is connected with a U-shaped support rod, one end of the U-shaped support rod is provided with an adapter block, and the U-shaped support rod can be movably connected with the connecting blocks at the two ends of the arc buffer plate through the adapter block and the movable peg.

[0008] Preferably, a damping plate is arranged below the arc buffer plate, the damping plate also has a specific arc shape and is closely attached to the arc buffer plate, and the arcs of the two plates are matched.

[0009] Preferably, the height of the upper and lower cavities of the two groups of car docking supports is matched with the height of the pulleys.

[0010] Preferably, a plurality of groups of sliding grooves are arranged in an array inside the two groups of the car docking supports, each of the pulleys is matched with a corresponding sliding groove one by one, and each group of the pulleys is sequentially installed in the corresponding sliding groove.

[0011] Preferably, the two groups of the car docking supports are each provided with a connecting structure at one end, and the connecting structure is provided with a connecting hole.

[0012] Preferably, the car docking support is internally provided with a mounting structure, the mounting structure comprises a spring mounted in the car docking support, one end of the spring is connected with a square docking block, and the two ends of the flexible buffering connecting plate are respectively provided with assembly connecting plates, the flexible buffering connecting plate is connected with the square docking blocks in the left and right car docking supports through the assembly connecting plates at the two ends.

[0013] Preferably, the other end of the spring is provided with a fixing block, and the spring is mounted in the car docking support through the fixing block.

[0014] Compared with the prior art, the rubber protection device for the rail vehicle connecting mechanism has the following beneficial effects:

[0015] 1. According to the utility model, the damping plate with the adaptive arc below the arc buffering plate can effectively absorb the impact force, the pulley is matched with the sliding groove, the U-shaped supporting rod is movably connected with the arc buffering plate connecting block through the adapter block and the movable bolt, the buffering protection mechanism can flexibly adapt to different stress states, the buffering performance is enhanced, and the impact degree of the connecting mechanism is reduced.

[0016] 2. According to the utility model, the height of the upper and lower cavities of the car docking support is matched with the height of the pulley, the stable installation of the pulley is ensured, the pulley is sequentially installed in the array distribution sliding groove, the stable operation of the buffering protection mechanism is ensured, meanwhile, the spring in the mounting structure is mounted in the car docking support through the fixing block, the square docking block is connected with the flexible buffering connecting plate, and the overall structural stability is further enhanced.

[0017] 3. According to the utility model, the one end of the two groups of car docking supports is provided with the connecting structure and the reserved connecting hole, the flexible buffering connecting plate is connected with the square docking blocks in the car docking supports through the assembly connecting plates at the two ends, the installation and dismounting are convenient, and the device maintenance and overall system building are facilitated.

[0018] The parts not involved in the device are the same as or can be realized by the prior art, the utility model has the advantages of simple structure and convenient operation. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1This is an exploded view of a rubber protective device for a rail vehicle connection mechanism proposed in this utility model;

[0020] Figure 2 This is a schematic diagram of the installation structure of a flexible buffer connecting plate for a rubber protective device for a rail vehicle connection mechanism proposed in this utility model.

[0021] Figure 3 This is a schematic diagram of the buffer protection mechanism of a rubber protection device for a rail vehicle connection mechanism proposed in this utility model;

[0022] Figure 4 This is a schematic diagram of the installation structure of a rubber protection device for a rail vehicle connection mechanism proposed in this utility model.

[0023] In the diagram: 1. Carriage docking support; 11. Cavity; 12. Connecting structure; 13. Slide groove; 2. Buffer protection mechanism; 21. Curved buffer plate; 211. Damping plate; 22. Connecting block; 23. Adapter block; 24. U-shaped support rod; 25. Pulley; 26. Movable bolt; 3. Flexible buffer connecting plate; 31. Assembly connecting plate; 4. Installation structure; 41. Square docking block; 42. Spring; 43. Fixing block. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0025] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] Example 1: A rubber protective device for a rail vehicle connection mechanism, such as... Figures 1-4 As shown, it includes two sets of car docking supports 1, and a buffer protection mechanism 2 and a flexible buffer connecting plate 3 are provided between the two sets of car docking supports 1.

[0027] The buffer protection mechanism 2 comprises an arc buffer plate 21 arranged between the two sets of car docking supports 1, the two ends of the arc buffer plate 21 are respectively fixedly provided with a connecting block 22, and each of the two sets of car docking supports 1 is provided with a pulley 25, one end of each pulley 25 is connected with a U-shaped support rod 24, one end of the U-shaped support rod 24 is provided with an adapter block 23, and the U-shaped support rod 24 is movably connected with the connecting block 22 at the two ends of the arc buffer plate 21 through the adapter block 23 and the cooperation with the movable bolt 26.

[0028] When the passengers frequently step on the car connection, due to the arc buffer plate 21 being movably connected with the U-shaped support rod 24 at the two ends through the connecting block 22, the arc buffer plate 21 will be elastically deformed downward, at this time, the adapter block 23 at one end of the U-shaped support rod 24 rotates under the constraint of the movable bolt 26 and moves with the connecting block 22, at the same time, the U-shaped support rod 24 drives the pulley 25 to roll in the sliding groove 13 in the car docking support 1, and due to the height of the upper and lower cavities 11 of the two sets of car docking supports 1 being matched with the height of the pulley 25, the stable rolling of the pulley 25 is ensured, through the rolling of the pulley 25 in the sliding groove 13 and the movable connection and cooperation between the U-shaped support rod 24, the adapter block 23 and the connecting block 22, the arc buffer plate 21 can flexibly change its own arc, at this time, the damping plate 211 also adaptively adjusts with the deformation of the arc buffer plate 21, and always keeps close contact, enhances the buffering and energy absorption effect, provides protection for the flexible buffer connecting plate 3, and avoids the phenomenon that the flexible buffer connecting plate 3 is directly stepped on and deformed in the process that the passengers frequently step on the car connection.

[0029] As shown in Figures 1-4 , the lower side of the arc buffer plate 21 is provided with a damping plate 211, the damping plate 211 also has a specific arc shape and is closely arranged with the arc buffer plate 21, and the arcs of the two are matched, when the vehicle runs and generates vibration, shaking or is impacted by external force, the arc buffer plate 21 will be deformed to a certain extent to absorb energy, the damping plate 211 is closely arranged with the arc buffer plate 21 and the arcs are matched, and in the deformation process of the arc buffer plate 21, the damping plate 211 can further absorb and dissipate energy through its deformation and material characteristics, thereby enhancing the buffering effect of the entire buffer protection mechanism 2.

[0030] As shown in Figures 1-4 , the height of the upper and lower cavities 11 of the two sets of car docking supports 1 is matched with the height of the pulley 25, the pulley 25 is provided with a precise motion track through the matching installation of the pulley 25 and the sliding groove 13, the pulley 25 can only move in the direction defined by the sliding groove 13, and the stability and reliability of the buffer protection mechanism 2 are ensured when the arc buffer plate 21 is subjected to external force and can perform buffering movement along the predetermined direction without deviation or shaking.

[0031] AsFigures 1-4 As shown in the drawings, inside the two sets of car butt joint supports 1, a plurality of sets of sliding grooves 13 are arranged in an array, each pulley 25 is matched with a corresponding sliding groove 13 one by one, and each set of pulleys 25 is sequentially installed in the corresponding sliding groove 13.

[0032] As shown in the drawings, the two sets of car butt joint supports 1 are each provided with a connecting structure 12, and the connecting structure 12 is provided with a connecting hole, which can be connected with the corresponding structure of the adjacent car through bolts, pins and other connecting members, so that the two sets of cars can be stably butt jointed together. Figures 1-4 As shown in the drawings, the two sets of car butt joint supports 1 are each provided with a connecting structure 12, and the connecting structure 12 is provided with a connecting hole, which can be connected with the corresponding structure of the adjacent car through bolts, pins and other connecting members, so that the two sets of cars can be stably butt jointed together.

[0033] Figures 1-4 As shown in the drawings, the car butt joint support 1 is provided with an installation structure 4, the installation structure 4 comprises a spring 42 installed in the car butt joint support 1, one end of the spring 42 is connected with a square butt joint block 41, and the two ends of the flexible buffer connecting plate 3 are respectively provided with assembly connecting plates 31, and the flexible buffer connecting plate 3 is connected with the square butt joint block 41 in the car butt joint support 1 on the left and right sides through the assembly connecting plates 31 at the two ends.

[0034] The other end of the spring 42 is provided with a fixed block 43, and the spring 42 is installed in the car butt joint support 1 through the fixed block 43.

[0035] When the train starts, brakes or drives on uneven tracks, the impact force generated will be transmitted to the flexible buffer connecting plate 3, and then transmitted to the spring 42 through the square butt joint block 41, and the elastic deformation of the spring 42 can effectively buffer the impact force and reduce the damage to the car structure, improve the riding comfort of passengers, at the same time, the setting of the spring 42 helps the flexible buffer connecting plate 3 to be more balanced when subjected to external force, when one side of the flexible buffer connecting plate 3 is subjected to a larger impact force, the spring 42 will be compressed or stretched according to the stress condition, and the force will be evenly distributed to the entire flexible buffer connecting plate 3, avoiding local excessive stress and damage.

[0036] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.​

Claims

1. A rubber protection device for a rail vehicle connection mechanism, comprising two sets of car butt joint supports (1), a buffer protection mechanism (2) and a flexible buffer connecting plate (3) arranged between the two sets of car butt joint supports (1), characterized in that: the buffer protection mechanism (2) comprises an arc buffer plate (21) arranged between the two sets of car butt joint supports (1), both ends of the arc buffer plate (21) are fixedly provided with connecting blocks (22), each of the two sets of car butt joint supports (1) is provided with a pulley (25), one end of each of the pulleys (25) is connected with a U-shaped support rod (24), one end of the U-shaped support rod (24) is provided with an adapter block (23), the U-shaped support rod (24) can be movably connected with the connecting blocks (22) at both ends of the arc buffer plate (21) through the adapter block (23) and the movable peg (26).

2. A rubber protection device for a rail vehicle coupling according to claim 1, characterized in that, The arc buffer plate (21) is provided below with a damping plate (211), the damping plate (211) also has a specific arc shape and is closely arranged with the arc buffer plate (21), and the arcs of the two are matched.

3. A rubber protection device for a rail vehicle coupling according to claim 1, characterized in that, The upper and lower cavity (11) heights of the two sets of car butt joint supports (1) are matched with the height of the pulley (25).

4. A rubber protection device for a rail vehicle coupling according to claim 3, characterized in that, In the two sets of car butt joint supports (1), a plurality of groups of sliding grooves (13) are arranged in an array, each of the pulleys (25) is matched with a corresponding sliding groove (13), and each group of the pulleys (25) is sequentially installed in the corresponding sliding groove (13).

5. A rubber protection device for a rail vehicle coupling according to claim 1, characterized in that, One end of each of the two sets of car butt joint supports (1) is provided with a connecting structure (12), and the connecting structure (12) is provided with a connecting hole.

6. A rubber protection device for a rail vehicle coupling according to claim 5, characterized in that, The car butt joint support (1) is provided with an installation structure (4), the installation structure (4) comprises a spring (42) installed in the car butt joint support (1), one end of the spring (42) is connected with a square butt joint block (41), both ends of the flexible buffer connecting plate (3) are provided with assembly connecting plates (31), and the flexible buffer connecting plate (3) is connected with the square butt joint blocks (41) in the left and right car butt joint supports (1) through the assembly connecting plates (31) at both ends.

7. A rubber protection device for a rail vehicle coupling according to claim 6, characterized in that, The other end of the spring (42) is provided with a fixed block (43), and the spring (42) is installed in the car butt joint support (1) through the fixed block (43).