Anti-creep energy absorbing device

Abstract

This utility model relates to a paired anti-climb energy-absorbing device, belonging to the technical field of buffer energy-absorbing devices. The paired anti-climb energy-absorbing device includes a first anti-climb energy-absorbing component and a second anti-climb energy-absorbing component. The first anti-climb energy-absorbing component includes a first energy-absorbing tube connected to a first train and a first anti-climb toothed plate. The first anti-climb toothed plate is fixedly connected to the end of the first energy-absorbing tube away from the first train, and the first anti-climb toothed plate has a horizontally penetrating first core hole. The second anti-climb energy-absorbing component includes a second anti-climb toothed plate connected to a second train and a second energy-absorbing tube. The inner diameter of the second energy-absorbing tube is greater than or equal to the outer diameter of the first energy-absorbing tube. The second anti-climb toothed plate is installed at the end of the second energy-absorbing tube away from the second train, and the second anti-climb toothed plate has a horizontally penetrating second core hole. This device uses a single-stage energy-absorbing tube design on both sides, and when the first energy-absorbing tube absorbs energy, it enters the second energy-absorbing tube, which reduces the axial space occupied by the device and is beneficial for lightweight design.

Description

Technical Field

[0001] This utility model belongs to the technical field of buffer energy absorption devices, specifically relating to a pairing anti-climb energy absorption device. Background Technology

[0002] Anti-climb energy absorption devices are key components of the passive safety system of rail trains. Their function is to ensure the safety of passengers by effectively absorbing and dissipating the impact energy at the front end during a collision. This device needs to meet two core requirements simultaneously: first, to effectively control the orderly dissipation of collision energy; and second, to minimize the risk of deformation of the vehicle body structure.

[0003] In the prior art, Chinese utility model patent CN208789696U provides a multi-stage planing anti-climb device for rail vehicles. It uses guide holes within the mounting base to allow a single-stage planing cylinder to extend and retract along these holes, absorbing energy through a staged cutting process. A sleeve at the front of the mounting base guides the anti-climb toothed plate to impact the vehicle head-on. While this patent's guiding design can guide the impact force axially, reducing lateral slippage and lowering the likelihood of "Z"-shaped deformation of vehicles on both sides during a train collision, it has significant structural limitations: First, the multi-stage planing cylinder and accompanying guiding mechanism significantly increase system complexity; second, to achieve an effective cutting stroke, the device requires a large axial installation space, which not only increases the vehicle's weight but also severely restricts the space utilization at the front of the vehicle, hindering lightweight design.

[0004] Therefore, how to provide an anti-climb energy-absorbing device that can prevent adjacent vehicles from undergoing "Z"-shaped deformation and save interior space is a technical problem that urgently needs to be solved. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a paired anti-climb energy-absorbing device. Both sides adopt a single-stage energy-absorbing tube design, and when the first energy-absorbing tube absorbs energy, it enters the second energy-absorbing tube, which can reduce the axial space occupied by the device, improve the utilization rate of vehicle space, and facilitate lightweight design.

[0006] This utility model provides a paired anti-climb energy-absorbing device, including a first anti-climb energy-absorbing component and a second anti-climb energy-absorbing component, which are respectively disposed at opposite ends of two trains, wherein:

[0007] The first anti-climb energy absorption component is installed at the end of the first train and includes a first energy absorption tube and a first anti-climb tooth plate. The first energy absorption tube is connected to the first train, and the first anti-climb tooth plate is fixedly connected to the end of the first energy absorption tube away from the first train. The first anti-climb tooth plate has a horizontal through first core hole.

[0008] The second anti-climb energy-absorbing component is installed at the end of the second train and includes a second anti-climb tooth plate and a second energy-absorbing tube. The second energy-absorbing tube is connected to the second train and the inner diameter of the second energy-absorbing tube is greater than or equal to the outer diameter of the first energy-absorbing tube. The second anti-climb tooth plate is installed at the end of the second energy-absorbing tube away from the second train and is opposite to the first anti-climb tooth plate. The second anti-climb tooth plate has a horizontally penetrating second core hole.

[0009] When two trains collide, the first anti-climb tooth plate and the second anti-climb tooth plate mesh with each other to prevent the vehicles from climbing longitudinally, and the first energy-absorbing tube passes through the first core hole and the second core hole in sequence to enter the second energy-absorbing tube to prevent the vehicles from moving laterally.

[0010] This technical solution adopts a single-stage energy-absorbing tube design on both sides, and when the first energy-absorbing tube absorbs energy, it enters the second energy-absorbing tube, which can reduce the axial space occupied by the device, improve the space utilization of the vehicle body, and is conducive to lightweight design.

[0011] In some embodiments, the first anti-climb component further includes a first mounting base, which is fixedly connected to one end of the first energy-absorbing tube near the first train, and the side of the first mounting base away from the first energy-absorbing tube is blocked. The first mounting base is used to fix the first energy-absorbing tube to the first train.

[0012] The second anti-climb energy-absorbing component also includes a second mounting base. The second mounting base has a horizontal through hole. The end of the second energy-absorbing tube near the second train passes through the through hole and is fixedly connected to the second mounting base. The second mounting base is used to fix the second energy-absorbing tube to the second train.

[0013] This technical solution ensures that the first energy-absorbing tube can move towards the second energy-absorbing tube when absorbing energy by setting a blocking first mounting seat in the first anti-climb energy-absorbing component, thus avoiding occupying the space of the first train body; by setting a second mounting seat with a through hole, the effective energy absorption path of the second energy-absorbing tube is ensured, thus ensuring the effective absorption of energy during a collision.

[0014] In some embodiments, the first anti-climb tooth plate is provided with a first anti-climb tooth on the side away from the first energy-absorbing tube, and the second anti-climb tooth plate is provided with a second anti-climb tooth that meshes with the first anti-climb tooth on the side away from the second energy-absorbing tube.

[0015] This technical solution enables the two toothed plates to mesh tightly during a collision, effectively preventing the train from climbing longitudinally.

[0016] In some embodiments, the first anti-climb energy-absorbing component and the second anti-climb energy-absorbing component adopt a planing-type energy-absorbing structure or a shrinking energy-absorbing structure.

[0017] This technical solution allows for the selection of energy-absorbing structure types based on actual needs, optimizing energy absorption efficiency and meeting the requirements of different collision conditions.

[0018] In some embodiments, when the first anti-climb energy-absorbing component and the second anti-climb energy-absorbing component adopt a planing-type energy-absorbing structure, the first energy-absorbing tube includes a first planing cylinder, and the second energy-absorbing tube includes a second planing cylinder; the first anti-climb energy-absorbing component also includes a first planing blade for planing the first planing cylinder, the first planing blade being disposed on the side of the first core hole near the first mounting base; the second anti-climb energy-absorbing component also includes a second planing blade for planing the second planing cylinder, the second planing blade being disposed on the side of the second mounting base near the second anti-climb toothed plate.

[0019] This technical solution, through the arrangement of the first and second planing blades, enables the first and second planing cylinders to be effectively cut during collision, thus dissipating impact energy in an orderly manner.

[0020] In some embodiments, a first groove is provided on the side of the first core hole near the first mounting base, and a first planer is installed in the first groove; a second groove is provided on the side of the through hole near the second anti-climb plate, and a second planer is installed in the second groove.

[0021] This technical solution can optimize the force distribution of the first and second planer blades, ensuring a smooth planing process.

[0022] In some embodiments, multiple first grooves and multiple second grooves are provided. Multiple first grooves are distributed on the sidewall of the first core hole, and the first grooves are correspondingly arranged with the first planer blade. Multiple second grooves are distributed on the sidewall of the through hole, and the second grooves are correspondingly arranged with the second planer blade.

[0023] This technical solution uses multiple first and second planer blades to make the planing force distribution more uniform and avoid single-point overload.

[0024] In some embodiments, the end of the first planing cylinder near the first anti-climb tooth plate is provided with a reduced diameter section to facilitate entry into the second planing cylinder.

[0025] This technical solution, through the design of the reduced diameter section, facilitates the smooth entry of the first planing cylinder into the second planing cylinder, reducing resistance during the initial collision.

[0026] In some embodiments, when the first anti-climb energy-absorbing component and the second anti-climb energy-absorbing component adopt a retractable energy-absorbing structure, the first energy-absorbing tube includes a first retractable tube, and the second energy-absorbing tube includes a second retractable tube; the first retractable tube has a first retractable section at one end near the first anti-climb tooth plate, and the shape of the sidewall of the first core hole matches the first retractable section to squeeze the first retractable tube; the second retractable tube has a second retractable section at one end near the second mounting base, and the shape of the sidewall of the through hole matches the second retractable section to squeeze the second retractable tube.

[0027] This technical solution enables the shrink tube to undergo plastic deformation under compression during a collision, stably absorbing impact energy while maintaining effective transmission of axial force.

[0028] In some embodiments, the fixing connection between the first mounting base and the first energy-absorbing tube, between the first energy-absorbing tube and the first anti-climbing tooth plate, and between the second energy-absorbing tube and the second mounting base is independently selected from any of the following: screw connection, welding, end nut connection, and threaded connection.

[0029] This technical solution can improve assembly flexibility and maintenance convenience, while ensuring connection reliability and adapting to different manufacturing and installation needs.

[0030] Based on the above solution, the paired anti-climb energy-absorbing device in this embodiment effectively prevents the longitudinal climbing of the two trains during a collision through the mutual meshing of the first and second anti-climb tooth plates. The first energy-absorbing tube passes through the first and second core holes and enters the second energy-absorbing tube in sequence, which not only effectively limits the longitudinal climbing of the vehicle, but also further limits the lateral displacement of the vehicle, thereby significantly reducing the risk of the vehicle undergoing "Z"-shaped deformation. At the same time, both sides adopt a single-stage energy-absorbing tube design, and the first energy-absorbing tube absorbs energy and enters the second energy-absorbing tube, which can reduce the axial space occupied by the device, improve the space utilization of the vehicle body, and facilitate lightweight design. In summary, this embodiment avoids the "Z"-shaped deformation of the vehicle and ensures the orderly dissipation of collision energy while taking into account the structural safety of the vehicle body and the optimization of the vehicle body design space. Attached Figure Description

[0031] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0032] Figure 1 This is a perspective view of the first anti-climb energy-absorbing component and the second anti-climb energy-absorbing component used in pairs in an embodiment of this utility model;

[0033] Figure 2 This is a perspective view of the first anti-climb energy-absorbing component in Embodiment 1 of this utility model;

[0034] Figure 3 This is a perspective view of the first anti-climb energy-absorbing component in Embodiment 1 of this utility model from another angle;

[0035] Figure 4 This is a perspective view of the first planing cylinder in the first anti-climb energy-absorbing component of Embodiment 1 of this utility model;

[0036] Figure 5 This is a perspective view of the first anti-climb toothed plate in the first anti-climb energy-absorbing component of Embodiment 1 of this utility model;

[0037] Figure 6This is a perspective view of the second anti-climb energy-absorbing component in Embodiment 1 of this utility model;

[0038] Figure 7 This is a perspective view of the second anti-climb energy-absorbing component in Embodiment 1 of this utility model from another angle;

[0039] Figure 8 This is a schematic diagram of the structure of the first anti-climb energy-absorbing component and the second anti-climb energy-absorbing component used in pairs in Embodiment 1 of this utility model;

[0040] Figure 9 This is a schematic diagram of the operation of the first anti-climb energy-absorbing component when the first anti-climb energy-absorbing component and the second anti-climb energy-absorbing component are used together in Embodiment 1 of this utility model;

[0041] Figure 10 This is a schematic diagram of the structure of the first anti-climb energy-absorbing component and the second anti-climb energy-absorbing component when they are used together in Embodiment 1 of this utility model and they operate simultaneously.

[0042] Figure 11 This is a perspective view of the third and fourth anti-climb energy-absorbing components used in combination in Embodiment 2 of this utility model.

[0043] In the picture:

[0044] 1. First anti-climb energy-absorbing component; 2. Second anti-climb energy-absorbing component;

[0045] 11A, First planing cylinder; 111A, Reduction section; 12A, First anti-climbing tooth plate; 121A, First core hole; 122A, First anti-climbing tooth; 123A, First groove; 13, First mounting base; 14A, First planing blade;

[0046] 21A, Second planing cylinder; 22A, Second anti-climb tooth plate; 221A, Second core hole; 222A, Second anti-climb tooth; 23A, Second mounting base; 231A, Through hole; 24A, Second planing blade;

[0047] 11B, First contraction tube; 111B, First contraction section; 12B, First anti-climbing tooth plate;

[0048] 21B, Second contraction tube; 211B, Second contraction section; 22B, Second anti-climb tooth plate; 23B, Second mounting base. Detailed Implementation

[0049] The technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0050] In the description of this utility model, it should be understood that the terms "center", "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" 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.

[0051] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

[0052] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0053] Example 1

[0054] like Figures 1-10As shown, in one embodiment of the anti-climb energy-absorbing device used in pairs according to this utility model, the anti-climb energy-absorbing device used in pairs includes a first anti-climb energy-absorbing component 1A and a second anti-climb energy-absorbing component 2A. The first anti-climb energy-absorbing component 1A and the second anti-climb energy-absorbing component 2A are respectively disposed at opposite ends of two trains. The first anti-climb energy-absorbing component 1A is installed at the end of the first train and includes a first energy-absorbing pipe and a first anti-climb toothed plate 12A. The first energy-absorbing pipe is connected to the first train, and the first anti-climb toothed plate 12A is fixedly connected to the end of the first energy-absorbing pipe away from the first train. The first anti-climb toothed plate 12A has a horizontally penetrating first core hole 121A; the second anti-climb energy-absorbing component 2A... Installed at the end of the second train, it includes a second anti-climb tooth plate 22A and a second energy-absorbing tube. The second energy-absorbing tube is connected to the second train, and its inner diameter is greater than or equal to the outer diameter of the first energy-absorbing tube. The second anti-climb tooth plate 22A is installed at the end of the second energy-absorbing tube away from the second train and is positioned opposite to the first anti-climb tooth plate 12A. The second anti-climb tooth plate 22A has a horizontally penetrating second core hole 221A. In the event of a collision between the two trains, the first anti-climb tooth plate 12A and the second anti-climb tooth plate 22A engage with each other to prevent the vehicle from climbing longitudinally. The first energy-absorbing tube passes through the first core hole 121A and the second core hole 221A in sequence to enter the second energy-absorbing tube to prevent the vehicle from shifting laterally.

[0055] In the above illustrative embodiment, the anti-climb energy-absorbing device provided by this utility model, used in pairs, effectively prevents the longitudinal climbing of the two trains during a collision through the mutual meshing of the first anti-climb toothed plate 12A and the second anti-climb toothed plate 22A. The first energy-absorbing tube passes through the first core hole 121A and the second core hole 221A in sequence and enters the second energy-absorbing tube, which not only effectively limits the longitudinal climbing of the vehicle, but also further limits the lateral displacement of the vehicle, thereby significantly reducing the risk of the vehicle undergoing "Z"-shaped deformation. At the same time, both sides adopt a single-stage energy-absorbing tube design, and the first energy-absorbing tube absorbs energy and enters the second energy-absorbing tube, which can reduce the axial space occupied by the device, improve the space utilization of the vehicle body, and is conducive to lightweight design. In summary, this embodiment, while avoiding the "Z"-shaped deformation of the vehicle and ensuring the orderly dissipation of collision energy, also takes into account the structural safety of the vehicle body and the optimization of the vehicle body design space.

[0056] In some embodiments, such as Figure 2 As shown, the first anti-climb component also includes a first mounting base 13, which is fixedly connected to the end of the first energy-absorbing tube near the first train. The side of the first mounting base 13 away from the first energy-absorbing tube is sealed off. The first mounting base 13 is used to fix the first energy-absorbing tube to the first train. Figure 7As shown, the second anti-climb energy-absorbing component 2A also includes a second mounting base 23A. The second mounting base 23A has a horizontally penetrating through hole 231A. The end of the second energy-absorbing tube near the second train passes through the through hole 231A and is fixedly connected to the second mounting base 23A. The second mounting base 23A is used to fix the second energy-absorbing tube to the second train. By setting a blocking first mounting base 13 in the first anti-climb energy-absorbing component 1A, it is ensured that the first energy-absorbing tube can move towards the second energy-absorbing tube when absorbing energy, avoiding occupying the body space of the first train. By setting a second mounting base 23A with a through hole 231A, an effective energy absorption path for the second energy-absorbing tube is ensured, ensuring effective energy absorption during a collision.

[0057] In some embodiments, such as Figure 3 As shown, the first anti-climb plate 12A has a first anti-climb tooth 122A on the side away from the first energy-absorbing tube, such as... Figure 6 As shown, the second anti-climb tooth plate 22A has a second anti-climb tooth 222A that meshes with the first anti-climb tooth 122A on the side away from the second energy-absorbing pipe. By setting the first anti-climb tooth 122A and the second anti-climb tooth 222A that mesh with each other, the two tooth plates are tightly engaged during a collision, which effectively prevents the train from climbing longitudinally, ensures that energy is transferred axially, and reduces unexpected deformation.

[0058] In some embodiments, such as Figure 8 As shown, the fixing connection methods between the first mounting base 13 and the first energy-absorbing tube, between the first energy-absorbing tube and the first anti-climbing tooth plate 12A, and between the second energy-absorbing tube and the second mounting base 23A are independently selected from any of the following: screw connection, welding, end nut connection, and threaded connection. Multiple connection methods provide technicians with choices, improving assembly flexibility and maintenance convenience while ensuring connection reliability and adapting to different manufacturing and installation requirements.

[0059] In some embodiments, such as Figure 1 As shown, when the first anti-climb energy-absorbing component 1A and the second anti-climb energy-absorbing component 2A adopt a planing-type energy-absorbing structure, the first energy-absorbing tube includes a first planing cylinder 11A, and the second energy-absorbing tube includes a second planing cylinder 21A. The first anti-climb energy-absorbing component 1A also includes a first planing blade 14A for planing the first planing cylinder 11A, and the first planing blade 14A is disposed on the side of the first core hole 121A near the first mounting base 13. The second anti-climb energy-absorbing component 2A also includes a second planing blade 24A for planing the second planing cylinder 21A, and the second planing blade 24A is disposed on the side of the second mounting base 23A near the second anti-climb toothed plate 22A. Through the arrangement of the first planing blade 14A and the second planing blade 24A, the first planing cylinder 11A and the second planing cylinder 21A can be effectively cut during collision, orderly dissipating impact energy, while maintaining stable transmission of axial force and improving energy absorption efficiency.

[0060] In some embodiments, such asFigure 4 As shown, a first groove 123A is provided on the side of the first core hole 121A near the first mounting base 13, and the first planer 14A is installed in the first groove 123A; a second groove (not shown in the figure) is provided on the side of the through hole 231A near the second anti-climb plate 22A, and the second planer 24A is installed in the second groove. By setting the first groove 123A and the second groove, the force distribution of the first planer 14A and the second planer 24A is optimized, ensuring a smooth planing process and reducing stress concentration.

[0061] In some embodiments, such as Figure 4 As shown, multiple first grooves 123A and multiple second grooves are provided. Multiple first grooves 123A are distributed on the sidewall of the first core hole 121A, and the first grooves 123A are correspondingly arranged with the first planer blade 14A. Multiple second grooves are distributed on the sidewall of the through hole 231A, and the second grooves are correspondingly arranged with the second planer blade 24A. By providing multiple first planer blades 14A and multiple second planer blades 24A, the planing force distribution is more uniform, avoiding single-point overload, enhancing the balance of energy absorption, and improving the overall energy absorption capacity. As an illustrative embodiment, in this embodiment, four first grooves 123A and four second grooves are provided.

[0062] In some embodiments, such as Figure 5 As shown, the first planing cylinder 11A has a reduced diameter section 111A at one end near the first anti-climbing tooth plate 12A to facilitate entry into the second planing cylinder 21A. The reduced diameter section 111A facilitates the smooth entry of the first planing cylinder 11A into the second planing cylinder 21A, reducing resistance during initial collision, ensuring rapid alignment of the two energy-absorbing components and the formation of a sleeve structure, effectively suppressing lateral misalignment, and optimizing the continuity of energy absorption.

[0063] As an illustrative example, such as Figure 8 As shown, in this embodiment, the first planing cylinder 11A is welded to the first mounting base 13, and the first planing cylinder 11A is connected to the first anti-climbing tooth plate 12A by screws. The second planing cylinder 21A is welded to the second mounting base 23A. In the event of a collision, such as Figure 9 As shown, the first anti-climb plate 12A and the second anti-climb plate 22A engage to prevent the vehicle from climbing longitudinally. The first planing cylinder 11A overcomes the connection force between itself and the first anti-climb plate 12A (in this embodiment, it is a punched screw) and enters the second planing cylinder 21A sequentially through the first core hole 121A and the second core hole 221A. During the movement of the first planing cylinder 11A, the first planing blade 14A planes the first planing cylinder 11A to absorb energy. At the same time, the first planing cylinder 11A and the second planing cylinder 21A are sleeved to achieve vertical locking and prevent the vehicle from moving laterally. If the collision is violent, such as Figure 10As shown, the second planing cylinder 21A overcomes the connection force with the second mounting base 23A (contact welding in this embodiment) and enters the vehicle body through the through hole 231A. During the movement of the second planing cylinder 21A, the second planing blade 24A planes the second planing cylinder 21A, thereby absorbing energy.

[0064] Example 2

[0065] Unlike Embodiment 1, the first anti-climb energy-absorbing component 1B and the second anti-climb energy-absorbing component 2B in this embodiment adopt a retractable energy-absorbing structure. The structure of the remaining components can be modified to change the entire device into a retractable energy-absorbing structure without changing the structure of the first mounting base 13.

[0066] In some embodiments, such as Figure 11 As shown, when the first anti-climb energy-absorbing component 1B and the second anti-climb energy-absorbing component 2B adopt a retractable energy-absorbing structure, the first energy-absorbing tube includes a first retractable tube 11B, and the second energy-absorbing tube includes a second retractable tube 21B. The first retractable tube 11B has a first retractable section 111B at one end near the first anti-climb toothed plate 12B, and the shape of the sidewall of the first core hole matches the first retractable section 111B to compress the first retractable tube 11B. The second retractable tube 21B has a second retractable section 211B at one end near the second mounting base 23B, and the shape of the sidewall of the through hole matches the second retractable section 211B to compress the second retractable tube 21B. Through the arrangement of the first retractable section 111B and the second retractable section 211B, the retractable tube undergoes plastic deformation under compression during collision, stably absorbing impact energy while maintaining effective transmission of axial force, thus improving energy dissipation efficiency.

[0067] As an illustrative example, such as Figure 11As shown, in this embodiment, the sidewalls at both ends of the first shrink tube 11B are provided with mounting holes, and the sidewall of the second shrink tube 21B near the second mounting base 23B is provided with mounting holes. Screws can be inserted into the mounting holes. The first shrink tube 11B is connected to the first mounting base 13 and the first anti-climbing tooth plate 12B by screws, and the second shrink tube 21B is connected to the second mounting base 23B by screws. In the event of a collision, the first anti-climb plate 12B engages with the second anti-climb plate 22B to prevent the vehicle from climbing longitudinally. The first contraction tube 11B overcomes the connection force between itself and the first anti-climb plate 12B (in this embodiment, a broken screw) and enters the second contraction tube 21B. During the movement of the first contraction tube 11B, the first anti-climb plate 12B squeezes the first contraction tube 11B to absorb energy. At the same time, the first contraction tube 11B and the second contraction tube 21B are sleeved to achieve vertical locking and prevent the vehicle from moving laterally. If the collision is severe, the second contraction tube 21B overcomes the connection force between itself and the second mounting seat 23B (in this embodiment, a broken screw) and enters the vehicle body. During the movement of the second contraction tube 21B, the second mounting seat 23B squeezes the second contraction tube 21B to absorb energy.

[0068] It should be noted that Embodiment 1 above describes an embodiment where both the first anti-climb energy-absorbing component 1A and the second anti-climb energy-absorbing component 2A adopt a planing-type energy-absorbing structure, and Embodiment 2 describes an embodiment where both the first anti-climb energy-absorbing component 1B and the second anti-climb energy-absorbing component 2B adopt a retractable energy-absorbing structure. In practical applications, those skilled in the art can choose according to their needs and are not limited to the combination of Embodiment 1 and Embodiment 2. Based on the structural examples provided by this utility model, those skilled in the art can also derive the following two combined configurations: the first anti-climb energy-absorbing component 1A adopts a planing-type energy-absorbing structure and the second anti-climb energy-absorbing component 2B adopts a retractable energy-absorbing structure; the first anti-climb energy-absorbing component 1B adopts a retractable energy-absorbing structure and the second anti-climb energy-absorbing component 2A adopts a planing-type energy-absorbing structure. In addition, this utility model can also adopt other energy-absorbing forms, as long as the guiding cooperation of the energy-absorbing tubes on both sides can be achieved. For example, a planing-type anti-climb energy-absorbing component can be combined with an expansion-type anti-climb energy-absorbing component, or a retractable anti-climb energy-absorbing component can be combined with an expansion-type anti-climb energy-absorbing component. This utility model does not limit this.

[0069] Through the description of several embodiments of the anti-climb energy-absorbing device used in pairs according to the present invention, it can be seen that the embodiments of the anti-climb energy-absorbing device used in pairs according to the present invention have at least one or more of the following advantages.

[0070] 1. The anti-climb energy-absorbing device provided by this utility model adopts a single-stage energy-absorbing tube design on both sides. When the first energy-absorbing tube absorbs energy, it enters the second energy-absorbing tube, which can reduce the axial space occupied by the device, improve the space utilization of the vehicle body, and is conducive to lightweight design.

[0071] 2. The anti-climb energy-absorbing device provided by this utility model, through the mutual meshing of the first anti-climb tooth plate and the second anti-climb tooth plate, effectively avoids the longitudinal climbing of the two trains during a collision; the first energy-absorbing tube passes through the first core hole and the second core hole in sequence and enters the second energy-absorbing tube, which can not only effectively limit the longitudinal climbing of the vehicle, but also further limit the lateral movement of the vehicle, thereby significantly reducing the risk of the vehicle undergoing "Z"-shaped deformation.

[0072] 3. The anti-climb energy absorption device provided by this utility model can be a planing type energy absorption structure or a shrinking type energy absorption structure. Technicians can choose the type of energy absorption structure according to actual needs, thereby optimizing energy absorption efficiency and meeting the requirements of different collision conditions.

[0073] Finally, it should be noted that the various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0074] The above embodiments are only used to illustrate the technical solution of this utility model and not to limit it; although the utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications can still be made to the specific implementation of this utility model or equivalent substitutions can be made to some technical features without departing from the spirit of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the technical solution claimed by this utility model.

Claims

1. A pair of anti-climb energy-absorbing devices, characterized in that, It includes a first anti-climb energy-absorbing component and a second anti-climb energy-absorbing component, which are respectively disposed at opposite ends of the two trains, wherein: The first anti-climb energy absorption component is installed at the end of the first train and includes a first energy absorption tube and a first anti-climb tooth plate. The first energy absorption tube is connected to the first train, and the first anti-climb tooth plate is fixedly connected to the end of the first energy absorption tube away from the first train. The first anti-climb tooth plate has a horizontal through first core hole. The second anti-climb energy-absorbing component is installed at the end of the second train and includes a second anti-climb tooth plate and a second energy-absorbing tube. The second energy-absorbing tube is connected to the second train and the inner diameter of the second energy-absorbing tube is greater than or equal to the outer diameter of the first energy-absorbing tube. The second anti-climb tooth plate is installed at the end of the second energy-absorbing tube away from the second train and is opposite to the first anti-climb tooth plate. The second anti-climb tooth plate has a horizontally penetrating second core hole. When two trains collide, the first anti-climb tooth plate and the second anti-climb tooth plate mesh with each other to prevent the vehicles from climbing longitudinally, and the first energy-absorbing tube passes through the first core hole and the second core hole in sequence to enter the second energy-absorbing tube to prevent the vehicles from moving laterally.

2. The anti-climb energy-absorbing device for paired use according to claim 1, characterized in that, The first anti-climb component also includes a first mounting base, which is fixedly connected to the end of the first energy-absorbing tube near the first train, and the side of the first mounting base away from the first energy-absorbing tube is blocked. The first mounting base is used to fix the first energy-absorbing tube to the first train. The second anti-climb energy-absorbing component also includes a second mounting base. The second mounting base has a horizontal through hole. The end of the second energy-absorbing tube near the second train passes through the through hole and is fixedly connected to the second mounting base. The second mounting base is used to fix the second energy-absorbing tube to the second train.

3. The anti-climb energy-absorbing device for paired use according to claim 1, characterized in that, The first anti-climb tooth plate has a first anti-climb tooth on the side away from the first energy-absorbing tube, and the second anti-climb tooth plate has a second anti-climb tooth on the side away from the second energy-absorbing tube that meshes with the first anti-climb tooth.

4. The anti-climb energy-absorbing device for paired use according to claim 2 or 3, characterized in that, The first and second anti-climb energy-absorbing components adopt a planing-type energy-absorbing structure or a shrinking energy-absorbing structure.

5. The anti-climb energy-absorbing device for paired use according to claim 4, characterized in that, When the first anti-climb energy-absorbing component and the second anti-climb energy-absorbing component adopt a planing-type energy-absorbing structure, the first energy-absorbing tube includes a first planing cylinder, and the second energy-absorbing tube includes a second planing cylinder; the first anti-climb energy-absorbing component also includes a first planing blade for planing the first planing cylinder, the first planing blade being disposed on the side of the first core hole near the first mounting base; the second anti-climb energy-absorbing component also includes a second planing blade for planing the second planing cylinder, the second planing blade being disposed on the side of the second mounting base near the second anti-climb toothed plate.

6. The anti-climb energy-absorbing device for paired use according to claim 5, characterized in that, The first core hole has a first groove on the side near the first mounting base, and the first planer is installed in the first groove; the through hole has a second groove on the side near the second anti-climb plate, and the second planer is installed in the second groove.

7. The anti-climb energy-absorbing device for paired use according to claim 6, characterized in that, Multiple first grooves and multiple second grooves are provided. Multiple first grooves are distributed on the side wall of the first core hole, and the first grooves are corresponding to the first planer blade. Multiple second grooves are distributed on the side wall of the through hole, and the second grooves are corresponding to the second planer blade.

8. The anti-climb energy-absorbing device for paired use according to claim 5, characterized in that, The first planing cylinder has a reduced diameter section at one end near the first anti-climb tooth plate to facilitate entry into the second planing cylinder.

9. The anti-climb energy-absorbing device for paired use according to claim 4, characterized in that, When the first anti-climb energy-absorbing component and the second anti-climb energy-absorbing component adopt a retractable energy-absorbing structure, the first energy-absorbing tube includes a first retractable tube and the second energy-absorbing tube includes a second retractable tube; the first retractable tube is provided with a first retractable section at one end near the first anti-climb tooth plate, and the shape of the sidewall of the first core hole matches the first retractable section to squeeze the first retractable tube; The second shrink tube has a second shrink section at one end near the second mounting base, and the shape of the through hole sidewall matches the second shrink section to compress the second shrink tube.

10. The anti-climb energy-absorbing device for paired use according to claim 2, characterized in that, The fixing connection between the first mounting base and the first energy-absorbing tube, between the first energy-absorbing tube and the first anti-climbing tooth plate, and between the second energy-absorbing tube and the second mounting base can be independently selected from any of the following: screw connection, welding, end nut connection, and threaded connection.

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