CN215398685U - Energy absorption device with modular structure - Google Patents
Energy absorption device with modular structure Download PDFInfo
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- CN215398685U CN215398685U CN202121793986.4U CN202121793986U CN215398685U CN 215398685 U CN215398685 U CN 215398685U CN 202121793986 U CN202121793986 U CN 202121793986U CN 215398685 U CN215398685 U CN 215398685U
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Abstract
The utility model provides an energy absorption device with a modular structure, which comprises three main energy absorption beams, two guide columns, an end beam, two support beams, a support beam, a reinforcing beam, a connecting plate and an anti-creeper interface board, wherein two sides of the end beam are respectively connected with the front ends of the guide columns, two sides of the support beam are respectively connected with the rear ends of the guide columns, and the support beam, the end beam and the two guide columns are mutually connected to form a closed frame structure of the energy absorption device.
Description
Technical Field
The utility model relates to a rail vehicle body structure, in particular to a modular structure energy absorption device.
Background
In some non-platform stainless steel subway projects with roof air conditioning unit platform structures in China in the past, vehicles are not required to meet EN15227 standard collision requirements, collision safety of trains in such projects cannot be guaranteed, and when the vehicles collide at low speed, the personnel and property of passengers in the trains are easily damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an energy absorption device with a modular structure, which is used at the front end of a head car underframe of a railway vehicle, plays a role in dissipating kinetic energy generated in a collision process, improves the collision resistance of a car body steel structure, and further enables a train to meet the EN15227 standard collision requirement.
In order to achieve the purpose, the utility model provides an energy absorption device with a modular structure, which comprises three main energy absorption beams, two guide columns, an end beam, two support beams, a support beam, a reinforcing beam, a connecting plate and an anti-creeper interface plate, wherein two sides of the end beam are respectively connected with the front ends of the guide columns, two sides of the support beam are respectively connected with the rear ends of the guide columns, the support beam, the end beam and the two guide columns are mutually connected to form a closed frame structure of the energy absorption device, the two support beams are symmetrically welded between the support beam and the end beam and positioned at two sides of the energy absorption device, one of the three main energy absorption beams is welded at the central line position of the support beam and the end beam and positioned between the support beam and the end beam, the other two main energy absorption beams are symmetrically welded at two sides of the central line position of the support beam and the end beam and positioned between the support beam and the end beam, the two support beams are symmetrically welded between the support beam and the end beam and positioned at two sides of the energy absorption device, the junction of the supporting beam and the rear end of the guide column is provided with a reinforcing beam, the junction of the end beam and the front end of the guide column is provided with a connecting plate, the junctions of the three main energy-absorbing beams, the supporting beam and the end beam are provided with connecting plates, and the anti-creeper interface plates are arranged on two sides of the vertical surface of the beam.
Furthermore, the main energy-absorbing beam is formed by welding C-shaped channel steels with two vertical surfaces provided with induction grooves in a splicing manner, and a partition plate is welded at the center of each induction groove of the main energy-absorbing beam.
Furthermore, the guide post is formed by welding two sections of square tubes in a splicing manner, and the whole shape of the guide post is semi-Y-shaped.
Furthermore, the end beam comprises a cross beam and supporting plates, and the supporting plates are welded on two sides of the circular hole of the interface plate of the anti-creeper.
Furthermore, a guide slot is arranged on the vertical face of the supporting beam, the supporting beam is formed by welding U-shaped channel steel and steel plates, and the heights of the two ends are equal to the heights of the end beam and the supporting beam.
Furthermore, the supporting beam is composed of a beam, a sealing plate and a reinforcing plate, the position of the reinforcing plate corresponds to the positions of the main energy-absorbing beam and the supporting beam, the sealing plate is a rectangular steel plate and is welded on the beam, the width of the sealing plate is the same as the inner height of the beam, the length of the sealing plate is shorter than that of the beam, the center of the sealing plate is coincided with that of the beam, and the vertical surface of the sealing plate is attached to the reinforcing plate.
The utility model provides an energy absorption device with strong compatibility and high modularization degree, which can improve the passive safety performance of a train under the condition of minimum change of a steel structure of a train body, can reduce the change of other performance parameters of the train caused by the structural change, and has the characteristics of compact structure, convenient maintenance, light weight and modularization.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a primary energy absorption beam of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic structural view of a guide post according to the present invention;
FIG. 5 is a schematic structural view of an end beam of the present invention;
FIG. 6 is a cross-sectional view C-C of FIG. 5;
FIG. 7 is a schematic structural view of a support beam according to the present invention;
FIG. 8 is a schematic structural view of a support beam of the present invention;
fig. 9 is a sectional view B-B of fig. 8.
In the figure: 1-a primary energy-absorbing beam; 2-a guide post; 3-end beam; 4-a support beam; 5-supporting the cross beam; 6-reinforcing the beam; 7-a connecting plate; 8-an anti-creeper interface board; 9-a separator; 10-a trapping groove; 11-a support plate; 12-a cross beam; 13-closing plate; 14-stiffening plate.
Detailed Description
Referring to fig. 1, an energy absorption device with a modular structure comprises three main energy absorption beams 1, two guide columns 2, an end beam 3, two support beams 4, a support beam 5, a reinforcing beam 6, four connecting plates 7 and two anti-creeper interface boards 8, wherein two ends of the end beam 3 are respectively connected with the front ends of the guide columns 2, two ends of the support beam 5 are respectively connected with the rear ends of the guide columns 2, the support beam 5, the end beam 3 and the two guide columns 2 are mutually connected to form a closed frame structure of the energy absorption device, one of the three main energy absorption beams 1 is welded on the central lines of the support beam 5 and the end beam 3 and is positioned between the support beam 5 and the end beam 3, the other two main energy absorption beams 1 are symmetrically welded on two sides of the central lines of the support beam 5 and the end beam 3 and are positioned between the support beam 5 and the end beam 3, the two support beams 4 are symmetrically welded between the support beam 5 and the end beam 3 and are positioned on two sides of the energy absorption device, the junction of the supporting beam 5 and the rear end of the guide column 2 is provided with a reinforcing beam 6, the junction of the end beam 3 and the front end of the guide column 2 is provided with a connecting plate 7, the junction of the three main energy-absorbing beams 1 and the supporting beam 5 and the end beam 3 is provided with a connecting plate 7, and the anti-creeper interface boards 8 are arranged on two sides of the vertical surface of the end beam 3.
Referring to fig. 2 to 9, all parts of the main energy-absorbing beam 1 are made of S500MC high-strength steel, the main energy-absorbing beam 1 is formed by welding two C-shaped channel steels with induction grooves 10 on the vertical surfaces, a partition plate is welded at the center of each of the two induction grooves 10, and each main energy-absorbing beam 1 is provided with two partition plates.
The structure of the guide post 2 adopts S500MC high-strength steel, the guide post 2 is formed by welding two sections of square tubes, the whole shape is semi-Y-shaped, in the collision process, the guide post 2 strengthens the structural strength and rigidity of the energy absorption device to a great extent, the whole energy absorption device can be kept stable in the collision process, the situation of bending and deflection of the structure is avoided, and meanwhile, the guide post structure can also crush, deform and absorb energy.
End beam 3 structure adopts S500MC high-strength steel, the end beam include crossbeam 12 and backup pad 11, backup pad 11 weld in the 8 round hole both sides of anticreeper interface board, the anticreeper can obtain good support all the time in the collision in-process can be guaranteed to end beam 3 structure to ensure that the collision impact force remains unanimous with the anticreeper axis all the time, avoid the anticreeper to take place to deflect, in order to guarantee that the anticreeper can fully the energy-absorbing at the collision in-process.
Supporting beam 4 structure adopts S500MC high-strength steel, 4 facades of supporting beam on be equipped with and induce guide slot 10, supporting beam 4 is formed by U type channel-section steel and steel sheet tailor-welding, the height at both ends equals with the height of end beam 3 and supporting beam 5, at the collision in-process, supporting beam 4 can provide the space of retreating for the anticreeper, after the anticreeper stroke has been walked away, supporting beam 4 can be induced to take place orderly, controllable conquassation deformation in the induced groove 10 of 4 facades of supporting beam, absorb certain collision energy.
Supporting beam 5 structure adopts 09CuPCrNi-A resistant weathering steel, supporting beam 5 constitute by crossbeam 12, shrouding 13 and stiffening plate 14, stiffening plate 14 position and main energy-absorbing roof beam 1 and a supporting beam 4 position corresponding, for main energy-absorbing roof beam 1 provides the support at the collision in-process, avoid because crossbeam 12 warp and lead to main energy-absorbing roof beam 1 to deflect, guarantee the overall stability of structure, shrouding 13 be rectangular steel sheet, shrouding 13 weld on crossbeam 12, shrouding 13's width and crossbeam 12 in highly the same, length weak point is in crossbeam 12 length, 13 shrouding center and crossbeam 12 center coincidence, facade and the laminating of stiffening plate 14.
The main structure of the utility model can deform orderly and controllably in the collision process, can realize effective structural energy absorption, can also ensure that the anti-creeper can fully absorb energy in the collision process, and can reduce the thickness of a steel plate on the premise of ensuring the structural strength by introducing a large amount of high-strength steel, thereby realizing the aim of light weight.
The basic working principle of the utility model is that when collision happens, the anti-creeper finishes energy absorption under the action of impact force, after the anti-creeper finishes energy absorption after the stroke of the anti-creeper (different working principles of the energy-absorbing anti-creeper are different, and the detailed description is not provided herein), the device of the utility model is used as a secondary energy absorption device, the purpose of generating kinetic energy in the collision process is achieved by absorbing energy through elastic and plastic deformation, the collision impact force is transmitted to the end beam 3 through the anti-creeper and then transmitted to the main energy absorption beam 1, the supporting beam 4 and the guide post 2 through the end beam 3, when the main energy absorption beam 1 is extruded, the main energy absorption beam 1 has even wrinkles in the collision process under the action of the partition plate 9 and the induction groove 10, so as to realize orderly and controllable crushing deformation, and the supporting beam 4 and the guide post 2 can also realize orderly and controllable crushing deformation in the collision process, so as to absorb part of collision energy.
The utility model also has the following advantages:
1. the utility model provides a modular structure energy absorption device for a stainless steel car body, which can improve the passive safety performance of a train, and the train applying the structure can meet the EN15227 standard collision requirement.
2. The utility model has stronger applicability to stainless steel vehicles, can improve the passive safety performance of the stainless steel vehicle body on the premise of not changing the main structure of the underframe, can save a large amount of design, simulation and experiment costs, and shortens the design period.
3. The reserved anti-creeper interface is in a bolt connection form, and compared with a welding form, after a vehicle is collided at a low speed, the main body structure of the chassis is not influenced by the disassembly and the replacement of the anti-creeper, so that the maintenance convenience is improved, and the maintenance cost is reduced.
Claims (6)
1. The utility model provides a modular structure energy-absorbing device which characterized in that: the energy-absorbing device comprises three main energy-absorbing beams, two guide columns, an end beam, two supporting beams, a supporting beam, a reinforcing beam, a connecting plate and an anti-creeper interface board, wherein two sides of the end beam are respectively connected with the front ends of the guide columns, two sides of the supporting beam are respectively connected with the rear ends of the guide columns, the supporting beam, the end beam and the two guide columns are mutually connected to form a closed frame structure of the energy-absorbing device, the two supporting beams are symmetrically welded between the supporting beam and the end beam and positioned at two sides of the energy-absorbing device, one of the three main energy-absorbing beams is welded at the central line position of the supporting beam and the end beam and positioned between the supporting beam and the end beam, the other two main energy-absorbing beams are symmetrically welded at two sides of the central line of the supporting beam and the end beam and positioned between the supporting beam and the end beam, and the two supporting beams are symmetrically welded between the supporting beam and the end beam and positioned at two sides of the energy-absorbing device, the junction of the supporting beam and the rear end of the guide column is provided with a reinforcing beam, the junction of the end beam and the front end of the guide column is provided with a connecting plate, the junctions of the three main energy-absorbing beams, the supporting beam and the end beam are provided with connecting plates, and the anti-creeper interface plates are arranged on two sides of the vertical surface of the beam.
2. A modular construction energy absorber device according to claim 1, further comprising: the main energy-absorbing beam is formed by welding C-shaped channel steels with two vertical surfaces provided with induction grooves, and a partition plate is welded at the center of each induction groove of the main energy-absorbing beam.
3. A modular construction energy absorber device according to claim 1, further comprising: the guide post is formed by welding two sections of square tubes in a splicing manner, and the whole shape of the guide post is semi-Y-shaped.
4. A modular construction energy absorber device according to claim 1, further comprising: the end beam comprises a cross beam and supporting plates, and the supporting plates are welded on two sides of a circular hole of the interface plate of the anti-creeper.
5. A modular construction energy absorber device according to claim 1, further comprising: the vertical surface of the supporting beam is provided with a guiding groove, the supporting beam is formed by welding U-shaped channel steel and steel plates, and the heights of the two ends of the supporting beam are equal to the heights of the end beam and the supporting beam.
6. A modular construction energy absorber device according to claim 1, further comprising: the supporting beam consists of a beam, a sealing plate and a reinforcing plate, the position of the reinforcing plate corresponds to the positions of the main energy-absorbing beam and the supporting beam, the sealing plate is a rectangular steel plate and is welded on the beam, the width of the sealing plate is the same as the inner height of the beam, the length of the sealing plate is shorter than that of the beam, the center of the sealing plate is coincided with that of the beam, and the vertical surface of the sealing plate is attached to the reinforcing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121793986.4U CN215398685U (en) | 2021-08-03 | 2021-08-03 | Energy absorption device with modular structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121793986.4U CN215398685U (en) | 2021-08-03 | 2021-08-03 | Energy absorption device with modular structure |
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| CN215398685U true CN215398685U (en) | 2022-01-04 |
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| CN202121793986.4U Active CN215398685U (en) | 2021-08-03 | 2021-08-03 | Energy absorption device with modular structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115231133A (en) * | 2022-09-26 | 2022-10-25 | 济宁熹安科技信息有限公司 | Agricultural and sideline products transport case |
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2021
- 2021-08-03 CN CN202121793986.4U patent/CN215398685U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115231133A (en) * | 2022-09-26 | 2022-10-25 | 济宁熹安科技信息有限公司 | Agricultural and sideline products transport case |
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