Rail safety buffer device
The existing anti-collision protection module is solved by designing a buffer module including a fixed plate, a mounting base, a U-shaped seat, a slide rod, a first spring, a collision plate, a movable sleeve, a connecting rod, a rubber pad and a pressed sponge block on the rail vehicle. The problem of simple structure and poor buffering effect achieves better collision buffering performance and shock absorption effect, reducing damage to rail vehicles.
Patent Information
- Application Number
- CN202420305230.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-19
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-02-19
AI Technical Summary
The anti-collision structure of existing rail vehicles is relatively simple, with a general buffering and shock absorption effect. It is easy to be damaged during the collision, resulting in damage to the rail vehicles.
A buffer module including a fixed plate, a mounting base, a U-shaped seat, a slide rod, a first spring, a collision plate, a movable sleeve, a connecting rod, a rubber pad and an extruded sponge block is designed to initially absorb the impact force through the collision plate. The connecting rod and spring convert kinetic energy, combining support modules and dampers to improve cushioning performance.
Effectively disperse impact force, reduce damage to rail vehicles, improve buffering performance and shock absorption during collisions, and extend the service life of the device.
Smart Images
Figure CN222247201U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of polymer materials, in particular to a track safety buffer device. Background Art
[0002] Rail transit refers to a type of transportation vehicle or transportation system in which operating vehicles need to travel on specific tracks. In the current design requirements of trams, the collision performance must meet the requirements of frontal collision of trains under certain conditions. Therefore, it has become an indispensable requirement to install a buffer energy-absorbing device at the front end of the train. The existing front-end buffer devices with secondary energy-absorbing effects on trams generally adopt a structure that consists of a rubber buffer at the front and two energy-absorbing tubes connected at the rear. A U-shaped card plate is also connected between the rubber buffer and the energy-absorbing tube. The buffer device is connected to the vehicle body chassis through fasteners. However, the structure of the buffer energy-absorbing device of the above structure is relatively complex, and the process precision requirements are high, so the production cost is relatively high. In addition, the rubber buffer is prone to aging and has a short service life.
[0003] In the prior art patent CN207955662U discloses a rail vehicle and its front end buffer energy absorption device, including an anti-collision beam, a mounting seat for fixing the front end beam of the vehicle body chassis of the rail vehicle, and a buffer energy absorption component arranged between the anti-collision beam and the mounting seat; the buffer energy absorption component includes a spring plate, a buffer sleeve and a buffer column adapted to the buffer sleeve. When the rail vehicle collides, the force generated will act on the entire front end energy absorption buffer device, wherein the spring plate in the buffer energy absorption component will first undergo elastic deformation after being compressed, and when the elastic deformation degree of the spring plate reaches the maximum, the buffer sleeve collides with the convex part of the buffer column, causing the buffer sleeve to swell, that is, the spring plate and the buffer sleeve continue to absorb energy through plastic deformation, and the collision force after energy absorption acts on the vehicle body through the end beam, thereby realizing the buffer energy absorption function when the rail vehicle collides. The above device has a simple overall structure, and the production and processing precision requirements are not high, thereby reducing the production cost, and the entire device does not involve aging rubber materials, and the service life is guaranteed.
[0004] However, in the above-mentioned prior art patents, the anti-collision structure is relatively simple, the buffering and shock absorption effect is general, and it is easy to be damaged during the collision, which may cause damage to the rail vehicle. Utility Model Content
[0005] The utility model aims to provide a track safety buffer device, which solves the problem that the existing anti-collision structure is relatively simple, the buffering and shock absorption effect is general, and it is easy to be damaged during the collision, which may cause damage to the track vehicle.
[0006] To achieve the above-mentioned purpose, the utility model adopts a track safety buffer device, comprising a fixed plate, two mounting seats and a buffer module, wherein the two mounting seats are fixedly connected to the fixed plate and symmetrically arranged on the outer side wall of the fixed plate, and the buffer module is connected to the fixed plate and is located on a side of the fixed plate away from the mounting seats;
[0007] The buffer module includes a U-shaped seat, two sliding rods, multiple first springs, a collision plate, two movable sleeves and multiple connecting rods. The U-shaped seat is fixedly connected to the fixed plate and is located on the outer side wall of the fixed plate. Both ends of each of the sliding rods are fixedly connected to the U-shaped seat. Each of the movable sleeves is sleeved on the two sliding rods and is movably connected to the two sliding rods. Both ends of each of the first springs are respectively fixedly connected to the U-shaped seat and the corresponding movable sleeve, and are respectively sleeved on the outside of the corresponding sliding rod. The collision plate is arranged on the outside of the U-shaped seat, and both ends of each of the connecting rods are respectively rotatably connected to the collision plate and the corresponding movable sleeve.
[0008] Wherein, the buffer module further includes a rubber pad, which is fixedly connected to the collision plate and is located on the outer side wall of the collision plate.
[0009] Wherein, the buffer module also includes an extruded sponge block, which is fixedly connected to the fixing plate and is located on a side of the fixing plate away from the U-shaped seat.
[0010] Wherein, the track safety buffer device further includes two groups of support modules, and each group of the support modules is connected to the collision plate and the fixing plate respectively.
[0011] Among them, the support module includes two fixed frames, two movable frames and a damper, the two fixed frames are fixedly connected to the fixed plate and are located on the outer wall of the fixed plate, the two movable frames are fixedly connected to the collision plate and are located on the outer wall of the collision plate, and each of the movable frames is movably connected to the corresponding fixed frame, and the two ends of each damper are respectively connected to the collision plate and the fixed plate.
[0012] Wherein, the support module further includes a second spring, two ends of which are respectively connected to the collision plate and the fixing plate, and are sleeved on the outside of the damper.
[0013] The utility model discloses a track safety buffer device. When a track vehicle is about to be hit, the collision plate will first contact with the collision object. The collision plate is made of polymer rubber material. The collision plate will initially absorb a part of the impact force. Then the collision plate will approach the fixed plate. At this time, the two ends of each connecting rod will respectively rotate at an angle on the movable sleeve and the collision plate. The connecting rod will push the movable sleeve to slide on the sliding rod in the U-shaped seat. At the same time, the first spring is squeezed by the movable sleeve. The kinetic energy is converted into elastic potential energy through the action force of the first spring to disperse the impact force. Through the above method, it is achieved that the buffering performance during the collision of the track vehicle can be increased, the impact force during the collision can be effectively dispersed, and the damage to the track vehicle can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0015] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.
[0016] Figure 2 It is a cross-sectional view of the overall internal structure of the first embodiment of the utility model.
[0017] Figure 3 It is a schematic diagram of the overall structure of the second embodiment of the utility model.
[0018] Figure 4 It is a cross-sectional view of the overall internal structure of the second embodiment of the utility model.
[0019] 101-fixed plate, 102-mounting seat, 103-U-shaped seat, 104-sliding rod, 105-first spring, 106-collision plate, 107-movable sleeve, 108-connecting rod, 109-rubber pad, 110-squeezed sponge block, 201-fixed frame, 202-movable frame, 203-damper, 204-second spring. DETAILED DESCRIPTION
[0020] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.
[0021] First embodiment
[0022] See also Figure 1 and Figure 2 ,in Figure 1 is a schematic diagram of the overall structure of the first embodiment, Figure 2 It is a cross-sectional view of the overall internal structure of the first embodiment.
[0023] The utility model provides a track safety buffer device: comprising a fixed plate 101, two mounting seats 102 and a buffer module, wherein the buffer module comprises a U-shaped seat 103, two slide bars 104, a plurality of first springs 105, a collision plate 106, two movable sleeves 107, a plurality of connecting rods 108, a rubber pad 109 and an extruded sponge block 110. The above-mentioned solution solves the problem that the existing anti-collision structure is relatively simple, the buffering and shock absorbing effect is general, and it is easy to be damaged during the collision process, which may cause damage to the rail vehicle.
[0024] According to this specific embodiment, the two mounting seats 102 are fixedly connected to the fixing plate 101 and are symmetrically arranged on the outer wall of the fixing plate 101. The buffer module is connected to the fixing plate 101 and is located on the side of the fixing plate 101 away from the mounting seats 102. The fixing plate 101 is connected and fixed to the rail vehicle through the two mounting seats 102. The buffer module on the fixing plate 101 can provide anti-collision protection for the rail vehicle.
[0025] Among them, the U-shaped seat 103 is fixedly connected to the fixed plate 101 and is located on the outer side wall of the fixed plate 101, both ends of each of the sliding rods 104 are fixedly connected to the U-shaped seat 103, each of the movable sleeves 107 are sleeved on the two sliding rods 104, and are movably connected to the two sliding rods 104, both ends of each of the first springs 105 are respectively fixedly connected to the U-shaped seat 103 and the corresponding movable sleeves 107, and are respectively sleeved on the outside of the corresponding sliding rods 104, the collision plate 106 is arranged on the outside of the U-shaped seat 103, and both ends of each of the connecting rods 108 are respectively rotatably connected to the collision plate 106 and the corresponding movable sleeves 107. When the rail vehicle is about to be collided, the collision plate 106 will first contact with the collision object. Contact, the collision plate 106 is a polymer rubber material, the collision plate 106 will initially absorb a part of the impact force, and then the collision plate 106 will approach the fixed plate 101, at this time, the two ends of each of the connecting rods 108 will respectively rotate at an angle on the movable sleeve 107 and the collision plate 106, the connecting rod 108 will push the movable sleeve 107 to slide on the slide rod 104 in the U-shaped seat 103, and at the same time the first spring 105 is squeezed by the movable sleeve 107, and the kinetic energy is converted into elastic potential energy through the action of the first spring 105 to disperse the impact force. Through the above method, it is achieved that the buffering performance during the collision of the rail vehicle can be increased, the impact force during the collision can be effectively dispersed, and the damage to the rail vehicle can be reduced.
[0026] Secondly, the rubber pad 109 is fixedly connected to the collision plate 106 and is located on the outer side wall of the collision plate 106. By arranging the rubber pad 109 on the collision plate 106, the rubber pad 109 can play a preliminary buffering role when the collision plate 106 collides.
[0027] At the same time, the squeezed sponge block 110 is fixedly connected to the fixed plate 101 and is located on the side of the fixed plate 101 away from the U-shaped seat 103. By arranging the squeezed sponge block 110 between the fixed plate 101 and the rail vehicle, when the collision is too large and the anti-collision structure is damaged, the squeezed sponge block 110 between the fixed plate 101 and the rail vehicle can further absorb part of the impact force and reduce the damage to the rail vehicle.
[0028] When the rail vehicle is about to be hit, the collision plate 106 will first contact the collision object. The collision plate 106 is made of polymer rubber material. The collision plate 106 and the rubber pad 109 will initially absorb part of the impact force, and then the collision plate 106 will approach the fixed plate 101. At this time, the two ends of each connecting rod 108 will respectively rotate on the movable sleeve 107 and the collision plate 106. The connecting rod 108 will push the movable sleeve 107 to slide on the sliding rod 104 in the U-shaped seat 103. At the same time, the first spring 105 is The extrusion of the movable sleeve 107 converts kinetic energy into elastic potential energy through the force of the first spring 105, thereby dispersing the impact force. In addition, by arranging the extrusion sponge block 110 between the fixed plate 101 and the rail vehicle, when the collision is too large and the anti-collision structure is damaged, the extrusion sponge block 110 between the fixed plate 101 and the rail vehicle can further absorb a part of the impact force and reduce the damage to the rail vehicle. In this way, the buffering performance during the collision of the rail vehicle can be increased, the impact force during the collision can be effectively dispersed, and the damage to the rail vehicle can be reduced.
[0029] Second embodiment
[0030] See also Figure 3 and Figure 4 ,in Figure 3 is a schematic diagram of the overall structure of the second embodiment, Figure 4 It is a cross-sectional view of the overall internal structure of the second embodiment.
[0031] On the basis of the first embodiment, a track safety buffer device of the utility model further includes two groups of support modules, and the support modules include two fixed frames 201 , two movable frames 202 , a damper 203 and a second spring 204 .
[0032] Each group of the support modules is respectively connected to the collision plate 106 and the fixed plate 101. By setting two groups of the support modules between the collision plate 106 and the fixed plate 101, the two groups of the support modules will expand and contract with the movement of the collision, supporting the two ends of the collision plate 106, thereby improving the stability of the collision plate 106 and the buffering and shock-absorbing effects.
[0033] The two fixed frames 201 are fixedly connected to the fixed plate 101 and are located on the outer side wall of the fixed plate 101. The two movable frames 202 are fixedly connected to the collision plate 106 and are located on the outer side wall of the collision plate 106. Each movable frame 202 is movably connected to the corresponding fixed frame 201. The two ends of each damper 203 are connected to the collision plate 106 and the fixed plate 101 respectively. The collision plate 106 is subjected to collision and compression. The first spring 105 is used to damp the collision plate 106. While absorbing shock, the two movable frames 202 on the collision plate 106 will cooperate with the two fixed frames 201 on the fixed plate 101, and the damper 203 will buffer and absorb shock during the extension and contraction. The fixed frames 201, the movable frames 202 and the damper 203 support the two ends of the collision plate 106 to avoid excessive deformation and damage at both ends of the collision plate 106. In this way, the stability of the collision plate 106 and the buffering and shock-absorbing effect are improved.
[0034] The two ends of the second spring 204 are respectively connected to the collision plate 106 and the fixed plate 101, and are sleeved on the outside of the damper 203. By arranging the second spring 204 between the collision plate 106 and the fixed plate 101, the second spring 204 cooperates with the damper 203, and the second spring 204 can further convert kinetic energy into elastic potential energy, disperse the impact force, and increase the buffering and shock absorption effect of the collision plate 106.
[0035] The collision plate 106 is subjected to collision compression. While the first spring 105 performs buffering and shock absorption, the two movable frames 202 on the collision plate 106 will flexibly cooperate with the two fixed frames 201 on the fixed plate 101. The damper 203 and the second spring 204 buffer and shock absorb the collision as they expand and contract. The fixed frame 201, the movable frame 202 and the damper 203 support the two ends of the collision plate 106 to avoid excessive deformation and damage at both ends of the collision plate 106. In this way, the stability of the collision plate 106 and the buffering and shock absorption effect are improved.
[0036] The above disclosures are only two preferred embodiments of the present invention, which certainly cannot be used to limit the scope of the present invention. A person skilled in the art can understand that all or part of the processes of the above embodiments and equivalent changes made according to the claims of the present invention still fall within the scope of the present invention.
Claims
1. A track safety buffer device, characterized in that: It includes a fixing plate, two mounting seats and a buffer module, wherein the two mounting seats are fixedly connected to the fixing plate and symmetrically arranged on the outer side wall of the fixing plate, and the buffer module is connected to the fixing plate and is located on a side of the fixing plate away from the mounting seats; The buffer module includes a U-shaped seat, two sliding rods, multiple first springs, a collision plate, two movable sleeves and multiple connecting rods. The U-shaped seat is fixedly connected to the fixed plate and is located on the outer side wall of the fixed plate. Both ends of each of the sliding rods are fixedly connected to the U-shaped seat. Each of the movable sleeves is sleeved on the two sliding rods and is movably connected to the two sliding rods. Both ends of each of the first springs are respectively fixedly connected to the U-shaped seat and the corresponding movable sleeve, and are respectively sleeved on the outside of the corresponding sliding rod. The collision plate is arranged on the outside of the U-shaped seat, and both ends of each of the connecting rods are respectively rotatably connected to the collision plate and the corresponding movable sleeve.
2. The track safety buffer device according to claim 1, characterized in that: The buffer module further includes a rubber pad, which is fixedly connected to the collision plate and is located on an outer side wall of the collision plate.
3. The track safety buffer device according to claim 2, characterized in that: The buffer module also includes an extruded sponge block, which is fixedly connected to the fixing plate and is located on a side of the fixing plate away from the U-shaped seat.
4. The track safety buffer device according to claim 1, characterized in that: The track safety buffer device also includes two groups of support modules, and each group of support modules is connected to the collision plate and the fixing plate respectively.
5. The track safety buffer device according to claim 4, characterized in that: The support module includes two fixed frames, two movable frames and a damper. The two fixed frames are fixedly connected to the fixed plate and are located on the outer side wall of the fixed plate. The two movable frames are fixedly connected to the collision plate and are located on the outer side wall of the collision plate. Each movable frame is movably connected to the corresponding fixed frame, and both ends of each damper are connected to the collision plate and the fixed plate.
6. The track safety buffer device according to claim 5, characterized in that: The supporting module further includes a second spring, two ends of which are respectively connected to the collision plate and the fixing plate, and are sleeved on the outside of the damper.