CN113335331A - Energy absorption device and rail vehicle - Google Patents
Energy absorption device and rail vehicle Download PDFInfo
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- CN113335331A CN113335331A CN202110713719.XA CN202110713719A CN113335331A CN 113335331 A CN113335331 A CN 113335331A CN 202110713719 A CN202110713719 A CN 202110713719A CN 113335331 A CN113335331 A CN 113335331A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F19/00—Wheel guards; Bumpers; Obstruction removers or the like
- B61F19/04—Bumpers or like collision guards
Abstract
The embodiment of the application provides an energy absorption device and a railway vehicle. The energy absorbing device comprises a guide piece; the energy absorption element is provided with a guide cavity and a cell buffer cavity for buffering, the guide piece penetrates into the guide cavity, and the guide cavity is arranged along the length direction of the energy absorption element; the first bearing piece is used for receiving impact and the second bearing piece is used for being connected with the vehicle body, and the first bearing piece and the second bearing piece are respectively sleeved at two ends of the guide piece; the energy absorber element can be compressed along the length of the guide upon impact. The railway vehicle comprises the energy absorption device. When the first bearing piece receives impact, the impact force is transmitted to the energy-absorbing element through the first bearing piece, the cell buffer cavity is plastically deformed to dissipate energy generated during impact, and the energy-absorbing element is compressed along the length direction of the guide piece through the matching of the guide piece, so that the energy-absorbing effect is further optimized, no rebound phenomenon exists after energy absorption, and the energy-absorbing effect is stable.
Description
Technical Field
The application relates to the technical field of energy absorption of railway vehicles, in particular to an energy absorption device and a railway vehicle.
Background
With the rapid development of high-speed rails and urban railways in China, convenient and efficient rail transit becomes the first choice for many people to go out, and the safety protection of the rail transit is very important. As an important subject in the field of safety protection, collision buffering and energy absorption have been widely paid attention, wherein spring anti-climbing and energy-absorbing devices commonly used in high-speed trains, subways and ordinary speed trains at home and abroad are train energy-absorbing anti-climbing devices designed by utilizing the principle that elastic deformation is generated by spring extrusion. When the train collides, the spring element in the energy absorber is extruded to generate compression deformation so as to absorb energy. In the deformation process of the spring, the spring force is continuously increased along with the compression, and the energy absorption effect of the compressed rear section of the spring is poor and the energy absorption is not stable enough; elastic deformation occurs in the spring compression process, received kinetic energy is converted into elastic potential energy of the spring, and the spring is easy to rebound after compression is finished, so that secondary damage to a train is caused.
Disclosure of Invention
The embodiment of the application provides an energy absorption device and a railway vehicle, and aims to solve the problems that an existing spring anti-creep energy absorption device is poor in energy absorption effect, unstable and prone to rebound after compression is finished. A second object of the present application is to provide a rail vehicle comprising an energy absorber device as described above.
In order to achieve the first object, the present application provides the following technical solutions:
an energy absorbing device, comprising:
a guide member;
the energy absorption device comprises an energy absorption element and a damping device, wherein the energy absorption element is provided with a guide cavity and a cell buffer cavity for buffering, the guide piece penetrates into the guide cavity, and the guide cavity is arranged along the length direction of the energy absorption element;
the first bearing piece and the second bearing piece are respectively sleeved on the guide piece and at two ends of the energy absorption element in the length direction; the energy absorber element is compressible along a length of the guide upon impact.
Preferably, the energy absorber element comprises:
a hollow housing;
the cell element buffering shell body is arranged in the hollow shell body along the length direction, the inner wall of the cell element buffering shell body and the hollow shell body form the guide cavity, and the outer wall of the cell element buffering shell body and the hollow shell body form the cell element buffering cavity.
Preferably, the center line of the cell buffer shell is arranged in parallel with the center line of the hollow shell; at least two of the cell element buffer shells are symmetrically arranged along the axis of the hollow shell.
Preferably, the cell element buffer shell is a cross shell, and the outer wall of the cross shell and the hollow shell form four cell element buffer cavities.
Preferably, the first bearing piece and the second bearing piece are respectively provided with a limiting groove so as to limit the circumferential rotation and the axial movement of the energy-absorbing element; two ends of the energy absorbing element are respectively fixed with the first bearing piece and the second bearing piece.
Preferably, the energy absorber further comprises an anti-creep tooth assembly detachably and fixedly connected with the energy absorbing element, and the anti-creep tooth assembly comprises:
anti-climbing teeth;
the installation ribbed slab is used for fixing the anti-climbing teeth, the installation ribbed slab is through first carrier with energy-absorbing element detachable fixed connection, the installation ribbed slab still includes the end cover, be used for with the tip suit of guide is fixed, the end cover with threaded connection between the installation ribbed slab.
Preferably, the method further comprises the following steps:
and the mounting flange is sleeved on the guide piece and is detachably and fixedly connected with the second bearing piece, and the mounting flange is provided with a fixed mounting hole for fixing with a vehicle body.
Preferably, the anti-climbing teeth are welded and fixed with the mounting rib plates, and the anti-climbing teeth include:
a plurality of mutual parallel arrangement's anti-creep pinion rack, it is adjacent equally divide between the anti-creep pinion rack and do not be equipped with the fixed joint spare of joint and form and predetermine spaced baffle, the both sides of joint spare are equipped with the joint arch respectively, arbitrary the anti-creep pinion rack all be equipped with the protruding complex joint slotted hole of joint.
Preferably, the number of the energy-absorbing elements is two, and the two energy-absorbing elements are respectively arranged at two ends of the mounting rib plate in the length direction and are symmetrically arranged along the center line of the mounting rib plate;
the cross section of the energy absorbing element is circular, square or octagonal; the energy absorbing element is made of metal or nonmetal or composite materials.
The application provides an energy absorption device, which comprises a guide piece; the energy absorption element is provided with a guide cavity and a cell buffer cavity for buffering, the guide piece penetrates into the guide cavity, and the guide cavity is arranged along the length direction of the energy absorption element; the first bearing piece is used for receiving impact and the second bearing piece is used for being connected with the vehicle body, and the first bearing piece and the second bearing piece are respectively sleeved at two ends of the guide piece; the energy absorber element can be compressed along the length of the guide upon impact.
Compared with the prior art, the energy absorption device provided in the embodiment of the application has the following technical effects:
the guide piece is sequentially sleeved with the first bearing piece, the energy absorbing element and the second bearing piece, when the first bearing piece receives impact, the impact force is transmitted to the energy absorbing element through the first bearing piece, energy generated during impact is dissipated through plastic deformation of a cell buffer cavity of the energy absorbing element, and the energy absorbing element is compressed along the length direction of the guide piece through matching of the guide piece, so that the energy absorbing effect is further optimized, no rebound phenomenon exists after energy absorption, and the energy absorbing effect is stable; meanwhile, the device is simple in structure, convenient to set, capable of reducing manufacturing and maintenance cost and suitable for severe environments such as various high and low temperatures, corrosion and the like.
In order to achieve the second objective, the present application also provides a rail vehicle, which includes any one of the energy absorbing devices, and since the energy absorbing device has the above technical effects, the rail vehicle having the energy absorbing device should also have corresponding technical effects.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic cross-sectional view of an energy absorber according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of an exploded structure of an energy absorbing device according to an embodiment of the present disclosure;
fig. 3 is a schematic diagram of an explosive structure of an anti-climbing tooth provided by an embodiment of the application;
FIG. 4 is a schematic structural view of an energy absorber element provided in accordance with an embodiment of the present application.
The drawings are numbered as follows:
the anti-climbing device comprises anti-climbing teeth 1, a mounting ribbed plate 2, a first bearing piece 3, a set bolt 4, a guide piece 5, an energy absorbing element 6, a set screw 7, a second bearing piece 8, a mounting flange 9, a ribbed plate 10, an end cover 11, an anti-climbing toothed plate 12, a partition plate 13 and a clamping piece 14;
a guide chamber 61 and a cell buffer chamber 62.
Detailed Description
The embodiment of the invention discloses an energy absorption device, and aims to solve the problems that an existing spring anti-climbing energy absorption device is poor in energy absorption effect and unstable and is easy to rebound after compression is finished.
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Referring to fig. 1-4, fig. 1 is a schematic cross-sectional view illustrating an energy absorbing device according to an embodiment of the present disclosure; FIG. 2 is a schematic diagram of an exploded structure of an energy absorbing device according to an embodiment of the present disclosure; fig. 3 is a schematic diagram of an explosive structure of an anti-climbing tooth provided by an embodiment of the application; FIG. 4 is a schematic structural view of an energy absorber element provided in accordance with an embodiment of the present application.
In a particular embodiment, the present application provides an energy absorber device comprising a guide 5, an energy absorber element 6, a first load bearing member 3 and a second load bearing member 8. The guide 5 is preferably a guide tube having a certain length. The energy absorption element 6 is provided with a guide cavity 61 and a cell buffer cavity 62, the guide cavity 61 is arranged along the length direction of the energy absorption element 6, and the guide piece 5 is sleeved in the guide cavity 61, so that the energy absorption element 6 can contract along the length direction when being compressed, each cell buffer cavity 62 is fully extruded, the energy absorption element 6 is prevented from inclining or bending in the compression process, and the energy absorption efficiency is improved. The cell cushioning cavities 62 are preferably disposed along the length or width of the energy absorber element 6 to facilitate manufacturing. The number of the cell buffer cavities 62 is preferably multiple, and the cell buffer cavities can be uniformly arranged to uniformly absorb energy.
The first carrier 3 is preferably provided at the front end of the guide 5 in the longitudinal direction for receiving an impact. The second bearing part 8 is arranged at the rear end of the guide part 5 in the length direction and is used for being connected with a vehicle body, the energy absorption element 6 is arranged between the first bearing part 3 and the second bearing part 8, and the impact force is fully and uniformly transmitted to the energy absorption element 6 through the first bearing part 3, so that the end wall of the energy absorption element 6 is uniformly stressed. In particular, the first carrier 3 and the second carrier 8 may be provided as end plates, respectively, to further optimize the transmission of the impact force and improve the energy release effect. In other embodiments, the first bearing member 3 and the second bearing member 8 may be arranged differently, as long as the same technical effect can be achieved, and all are within the scope of the present application. Under the guidance of the guide 5, the energy-absorbing element 6 performs one-dimensional motion, and the first bearing part 3 compresses the energy-absorbing element 6 to generate plastic deformation, thereby absorbing energy.
Compared with the prior art, the energy absorption device provided in the embodiment of the application has the following technical effects:
the guide piece 5 is sequentially sleeved with the first bearing piece 3, the energy absorbing element 6 and the second bearing piece 8, when the first bearing piece 3 receives impact, the impact force is transmitted to the energy absorbing element 6 through the first bearing piece 3, the energy generated during impact is dissipated through the plastic deformation of the cell buffer cavity 62 of the energy absorbing element 6, and the energy absorbing element 6 is compressed along the length direction of the guide piece 5 through the matching of the guide piece 5, so that the energy absorbing effect is further optimized, no rebound phenomenon exists after energy absorption, and the energy absorbing effect is stable; meanwhile, the device is simple in structure, convenient to set, capable of reducing manufacturing and maintenance cost and suitable for severe environments such as various high and low temperatures, corrosion and the like.
In particular, the energy absorber element 6 comprises a hollow shell and a cell cushion shell. The hollow shell can be configured as a rectangular, octagonal or other shaped shell, such as in one embodiment as an octagonal shell, to thereby increase the vertical load bearing capacity of the energy absorber element 6 by adding ribs. In order to further improve the energy absorption effect of the cell buffer shell, the cell buffer shell is arranged in the hollow shell along the length direction, the inner wall of the cell buffer shell is connected with the inner wall of the hollow shell to form a guide cavity 61, and the outer wall of the cell buffer shell and the inner wall of the hollow shell form a cell buffer cavity 62. Further, a guide housing may be further provided in the guide chamber 61, and a secondary guide chamber 61 is formed by the guide housing to further optimize the guide effect. Alternatively, in another embodiment, the cell cushioning housing and the hollow housing form a cell cushioning chamber 62, the guide housing is configured to cooperate with the hollow housing to form a guide chamber 61, and the cell cushioning chamber 62 is not in communication with the guide chamber 61.
In this embodiment, the center line of the cell buffer shell is parallel to the center line of the hollow shell for the convenience of production and processing; preferably, the guiding cavity 61 is located at the center of the cell cushioning shell, and at least two cell cushioning shells are symmetrically arranged along the axis of the hollow shell, so that the cell cushioning shells are uniformly distributed, the energy absorbing device can uniformly telescope in the compression process, and the size of wrinkles is controlled, thereby further improving the bearing capacity. The cell buffer shell is a cross shell, and four cell buffer cavities 62 are formed by the outer wall of the cross shell and the hollow shell; in other embodiments, a secondary cushion housing may be provided in each cell cushion chamber 62 according to the size of the energy absorbing element 6, so as to divide any one cell cushion chamber 62 into two parts, thereby further improving the vertical bearing capacity. The energy absorbing element 6 absorbs energy through the buffering of the cell buffering cavities 62, and generates plastic deformation energy consumption when being subjected to impact deformation, and the cell buffering cavities 62 are arranged so that the energy absorbing element 6 can be folded in the compression process, so that compared with a spring energy absorbing device, the energy absorbing element 6 generates plastic deformation through the cell buffering cavities 62, and the spring energy absorbing device can not rebound after the compression is finished, is stable in energy absorption, simple in structure and convenient to set.
It can be understood that, when an impact is received, the guide 5 moves in a direction close to the vehicle body along the longitudinal direction, and drives the first bearing part 3 to move in a direction close to the vehicle body, the first bearing part 3 compresses the energy-absorbing element 6, so that the energy-absorbing element 6 generates plastic deformation, in order to better fix the first bearing part 3 and the guide 5 and optimize the compression effect, a limit groove is arranged on the side wall of the first bearing part 3, which is in contact with the energy-absorbing element 6, and the end wall of the energy-absorbing element 6 is clamped with the limit groove, that is, the end part of the energy-absorbing element 6 is inserted into the limit groove to wrap, so that in the process that the first bearing part 3 moves in the longitudinal direction, the compression direction of the energy-absorbing element 6 can be better guided, the radial deviation of the energy-absorbing element is prevented, and the transmission of the impact force is facilitated, so that each cell buffer cavity 62 of the energy-absorbing element 6 is completely compressed. Furthermore, a limit groove is also arranged between the second bearing part 8 and the energy absorbing element 6, and the arrangement mode can refer to the arrangement mode of the limit grooves of the first bearing part 3 and the energy absorbing element 6; to transmit the impact force along the guide 5 to the vehicle body through the second carrier.
In order to realize the modularized arrangement and further optimize the transmission of the impact force, two ends of the energy absorption element 6 are respectively fixed with the first bearing part 3 and the second bearing part 8, preferably welded, and the first bearing part 3 and the second bearing part 8 are respectively provided with a limiting groove so as to limit the circumferential rotation and the axial movement of the energy absorption element 6; the two ends of the energy absorption element 6 are clamped with the limiting grooves to limit the rotation of the energy absorption element 6 around the axis of the energy absorption element, and after the pre-positioning, the first bearing part 3 and the second bearing part 8 are respectively welded and fixed with the energy absorption element 6 through welding.
On the basis of the above embodiments, the energy-absorbing element comprises the anti-climbing tooth 1 component which is detachably and fixedly connected with the energy-absorbing element 6, and if the anti-climbing tooth 1 component is detachably and fixedly connected, the anti-climbing tooth can be fixed through a threaded fastener, and meanwhile, the anti-climbing tooth is convenient to disassemble and assemble. The anti-climbing tooth 1 component comprises an anti-climbing tooth 1 and a mounting ribbed plate 2 for fixing the anti-climbing tooth 1. The mounting rib 2 is detachably fixedly connected to the energy absorber element 6 via the first carrier 3. Specifically, set up the screw hole on installation floor 2, set up the through-hole on first carrier 3, threaded fastener passes first carrier 3 and installation floor 2 from bottom to top in proper order to fasten with the screw hole of installation floor 2, threaded fastener is preferably tight set bolt 4.
The guide piece 5 guides the compression direction of the energy absorption element 6, bears the vertical force, and limits the radial movement of the energy absorption element 6, the anti-climbing tooth assembly and the guide piece 5 form a rigid body, when the anti-climbing tooth assembly collides at 45 degrees, a longitudinal force along the guide direction and a transverse force perpendicular to the guide direction are generated, the longitudinal force is attenuated through the plastic deformation of the energy absorption element 6, and the transverse force is integrally borne through the guide pieces 5 at two sides.
In order to facilitate the end of the guide member 5 to extend out along the installation rib plate 2, so that the installation rib plate 2 can transmit the impact force to the energy-absorbing element 6, the installation rib plate 2 further comprises an end cover 11 for being sleeved and fixed with the end of the guide member 5, the anti-climbing teeth 1 support against the end cover 11, so that after the impact, the anti-climbing teeth 1 push the end cover 11, the guide member 5 longitudinally moves backwards, and the energy-absorbing element 6 is compressed, it can be understood that the mounting flange 9 is fixed with the vehicle body, a yielding space for yielding the extension of the guide member 5 is arranged on the vehicle body, the anti-climbing teeth 1, the end cover 11 and the guide member 5 move backwards together, and it can be understood that the distance between the adjacent anti-climbing teeth 1 is smaller than the caliber of the end cover 11, so as to increase the force application area when the end cover 11 is pushed.
Or in an embodiment, the end cover 11 and the mounting rib plate 2 may be screwed, and by means of the detachable fixed connection, after the mounting rib plate 2 receives an impact, the guide 5 is extended outward by means of thread release, so that the mounting rib plate 2 as a whole can drive the guide 5 to move toward the vehicle body, and meanwhile, force is applied to the first bearing member 3 and the second bearing member 8, so as to compress the energy-absorbing element 6, and cause plastic deformation of the energy-absorbing element 6, in this process, the guide 5 remains unchanged due to rigidity, and only moves in the longitudinal direction toward the vehicle body, and at the same time, guides the movement of the first bearing member 3 and the energy-absorbing element 6. It will be appreciated that in other embodiments, it is also possible to provide internal threads directly on the mounting rib 2 for engagement with external threads of the guide 5.
As shown in fig. 3, specifically, the climbing-prevention tooth 1 is welded and fixed with the mounting rib plate 2, and the climbing-prevention tooth 1 includes:
a plurality of mutual parallel arrangement's anti-creep pinion rack 12, equally divide between adjacent anti-creep pinion rack 12 and do not be equipped with the fixed joint spare 14 of joint and form preset spaced baffle 13, the both sides of joint spare 14 are equipped with the joint arch respectively, arbitrary anti-creep pinion rack 12 all is equipped with the protruding complex joint slotted hole of joint.
The anti-creep tooth 1 comprises a plurality of anti-creep toothed plates 12 which are arranged in parallel, and the structures of the anti-creep toothed plates 12 are preferably arranged in the same way, so that the production and the processing are convenient. Equally divide between adjacent anti-creep pinion rack 12 and do not be equipped with for the fixed joint spare 14 of joint and be used for forming preset spaced baffle 13, support adjacent anti-creep pinion rack 12 through baffle 13 to it is protruding to be equipped with the joint respectively in the both sides of joint spare 14, arbitrary anti-creep pinion rack 12 all is equipped with the protruding complex joint hole of joint, realizes fixing between adjacent anti-creep pinion rack 12 through the bellied cooperation of joint hole and joint. Wherein, installation floor 2 includes mounting panel and floor 10, and the mounting panel is used for forming wholly with preventing climbing tooth 1 installation, and floor 10 is used for connecting a plurality of anti-climbing toothed plate 12, when energy-absorbing element 6's number is two, sets up the mounting panel at the both ends of floor 10 respectively to set up with energy-absorbing element 6 one-to-one respectively.
The specific working process is as follows: after the anti-climbing teeth 1 are impacted, the load is transmitted to the guide piece 5 through the installation rib plates 2 and the end covers 11 and is pushed to guide, the guide piece 5 moves towards the direction close to the vehicle body, the guide piece 5 drives the first bearing piece 3 fixed with the guide piece to move, the first bearing piece 3 transmits the load to the energy-absorbing element 6, each side and a plurality of ribs of the energy-absorbing element 6 are subjected to yielding under the action of the load to generate plastic deformation to absorb energy, the anti-climbing teeth, the guide piece 5 and the first bearing piece 3 move towards the end direction of the installation flange 9 together to compress the energy-absorbing element 6, and the energy-absorbing operation is completed.
In order to realize the fixation with the vehicle body, the energy absorbing device further comprises a mounting flange 9, the mounting flange 9 is sleeved on the guide member 5, a through hole sleeved with the guide member 5 is formed in the mounting flange 9, the mounting flange and the second bearing member 8 are detachably and fixedly connected, for example, the mounting flange is fixed by a set screw 7, and preferably, threaded fasteners are respectively arranged at the top corners of the mounting flange 9. The mounting flange 9 is provided with fixed mounting holes for fixing with the vehicle body, and the number of the fixed mounting holes is set according to actual needs.
In one embodiment, the number of the energy absorbing elements 6 is two, and the two energy absorbing elements 6 are respectively arranged at two ends of the mounting rib plate 2 in the length direction and are symmetrically arranged along the center line of the mounting rib plate 2. In other embodiments, the number of energy absorber elements 6 can be set as desired and are within the scope of the present application. In the practical application process, the energy absorption device can be set into a plurality of stages so as to optimize the energy release effect. The cross section of the energy absorber element 6 is round or square or octagonal; the energy absorbing element 6 is made of metal or nonmetal or composite material, so that the device is light in weight, the whole weight is reduced, and the energy absorbing element is preferably made of aluminum profiles. Meanwhile, the hollow shell, such as a rectangular shell, a circular shell or other regular polygonal shells, is preferably provided with openings at two ends along the length direction, so as to reduce the processing cost. The shape of the cellular cushioning shell can also be set as required, when the cellular cushioning shell divides the hollow shell into a plurality of cellular cushioning cavities 62, the vertical bearing capacity is improved by the rib edges formed by the cellular cushioning shell, and the energy absorption effect is further optimized by combining the material of the energy absorption element 6. In one embodiment, the energy absorbing element 6 is an octagonal metal tube, and is subjected to yielding under the action of impact force to generate plastic deformation, and the polygonal structure improves the energy absorbing effect and can stably absorb energy; and is suitable for various high-low temperature and corrosive environments, and the application range of the device is improved.
Based on the energy absorption device provided in the above embodiment, the present application also provides a rail vehicle, where the rail vehicle includes any one of the energy absorption devices in the above embodiments, and as the rail vehicle employs the energy absorption device in the above embodiments, please refer to the above embodiments for the beneficial effects of the rail vehicle.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. An energy absorbing device, comprising:
a guide member;
the energy absorption device comprises an energy absorption element and a damping device, wherein the energy absorption element is provided with a guide cavity and a cell buffer cavity for buffering, the guide piece penetrates into the guide cavity, and the guide cavity is arranged along the length direction of the energy absorption element;
the first bearing piece and the second bearing piece are respectively sleeved on the guide piece and at two ends of the energy absorption element in the length direction; the energy absorber element is compressible along a length of the guide upon impact.
2. The energy absorber device of claim 1, wherein the energy absorber element comprises:
a hollow housing;
the cell element buffering shell body is arranged in the hollow shell body along the length direction, the inner wall of the cell element buffering shell body and the hollow shell body form the guide cavity, and the outer wall of the cell element buffering shell body and the hollow shell body form the cell element buffering cavity.
3. The energy absorber of claim 2, wherein a centerline of the cell bumper housing is disposed parallel to a centerline of the hollow housing; at least two of the cell element buffer shells are symmetrically arranged along the axis of the hollow shell.
4. The energy absorber according to claim 3 wherein said cell bumper housing is a cross-shaped housing, the outer walls of said cross-shaped housing and said hollow housing defining four of said cell bumper chambers.
5. An energy absorber according to claim 1 wherein the first load bearing member moves along the guide upon impact compressing the energy absorber element to plastically deform; the first bearing piece and the second bearing piece are respectively provided with a limiting groove so as to limit the circumferential rotation and the axial movement of the energy-absorbing element;
and two ends of the energy absorption element are respectively fixed with the first bearing piece and the second bearing piece.
6. An energy absorber according to any one of claims 1-5 further comprising an anti-creep tooth assembly removably and fixedly connected to said energy absorber element, said anti-creep tooth assembly comprising:
anti-climbing teeth;
the installation ribbed slab is used for fixing the anti-climbing teeth, the installation ribbed slab is through first carrier with energy-absorbing element detachable fixed connection, the installation ribbed slab still includes the end cover, be used for with the tip suit of guide is fixed, the end cover with threaded connection between the installation ribbed slab.
7. The energy absorber device of claim 6, further comprising:
and the mounting flange is sleeved on the guide piece and is detachably and fixedly connected with the second bearing piece, and the mounting flange is provided with a fixed mounting hole for fixing with a vehicle body.
8. The energy absorber of claim 6, wherein the anti-creep teeth are welded to the mounting ribs, the anti-creep teeth comprising:
a plurality of mutual parallel arrangement's anti-creep pinion rack, it is adjacent equally divide between the anti-creep pinion rack and do not be equipped with the fixed joint spare of joint and form and predetermine spaced baffle, the both sides of joint spare are equipped with the joint arch respectively, arbitrary the anti-creep pinion rack all be equipped with the protruding complex joint slotted hole of joint.
9. The energy absorber according to claim 8, wherein the number of the energy absorbing elements is two, and the two energy absorbing elements are respectively disposed at both ends of the mounting rib in the length direction and symmetrically disposed along the center line of the mounting rib;
the cross section of the energy absorbing element is circular, square or octagonal; the energy absorbing element is made of metal or nonmetal or composite materials.
10. A rail vehicle, characterized in that it comprises an energy-absorbing device according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110713719.XA CN113335331A (en) | 2021-06-25 | 2021-06-25 | Energy absorption device and rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110713719.XA CN113335331A (en) | 2021-06-25 | 2021-06-25 | Energy absorption device and rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113335331A true CN113335331A (en) | 2021-09-03 |
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| CN202110713719.XA Pending CN113335331A (en) | 2021-06-25 | 2021-06-25 | Energy absorption device and rail vehicle |
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| US20120325108A1 (en) * | 2010-02-11 | 2012-12-27 | Richard Graf | Crash module for a rail vehicle |
| CN205022601U (en) * | 2015-10-13 | 2016-02-10 | 南车青岛四方机车车辆股份有限公司 | Anti -creep energy -absorbing device |
| WO2017148145A1 (en) * | 2016-03-01 | 2017-09-08 | 中南大学 | Collision energy absorption apparatus for rail vehicles |
| CN207466571U (en) * | 2017-10-31 | 2018-06-08 | 深圳市乾行达科技有限公司 | Buffering anti-collision device |
| CN208931347U (en) * | 2018-10-19 | 2019-06-04 | 中南林业科技大学 | Thin-wall tube radially dilates energy absorption device and the rail vehicle with it |
| CN209581503U (en) * | 2018-12-25 | 2019-11-05 | 哈尔滨乾行达科技有限公司 | Light rail vehicle and its endergonic structure |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120325108A1 (en) * | 2010-02-11 | 2012-12-27 | Richard Graf | Crash module for a rail vehicle |
| CN205022601U (en) * | 2015-10-13 | 2016-02-10 | 南车青岛四方机车车辆股份有限公司 | Anti -creep energy -absorbing device |
| WO2017148145A1 (en) * | 2016-03-01 | 2017-09-08 | 中南大学 | Collision energy absorption apparatus for rail vehicles |
| CN207466571U (en) * | 2017-10-31 | 2018-06-08 | 深圳市乾行达科技有限公司 | Buffering anti-collision device |
| CN208931347U (en) * | 2018-10-19 | 2019-06-04 | 中南林业科技大学 | Thin-wall tube radially dilates energy absorption device and the rail vehicle with it |
| CN209581503U (en) * | 2018-12-25 | 2019-11-05 | 哈尔滨乾行达科技有限公司 | Light rail vehicle and its endergonic structure |
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Application publication date: 20210903 |