CN220374514U - Honeycomb energy-absorbing anticreeper capable of reducing trigger peak force - Google Patents
Honeycomb energy-absorbing anticreeper capable of reducing trigger peak force Download PDFInfo
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- CN220374514U CN220374514U CN202222646076.4U CN202222646076U CN220374514U CN 220374514 U CN220374514 U CN 220374514U CN 202222646076 U CN202222646076 U CN 202222646076U CN 220374514 U CN220374514 U CN 220374514U
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- 238000010521 absorption reaction Methods 0.000 claims description 38
- 230000006835 compression Effects 0.000 claims description 21
- 238000007906 compression Methods 0.000 claims description 21
- 230000001413 cellular effect Effects 0.000 claims description 14
- 238000001125 extrusion Methods 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 4
- 239000004411 aluminium Substances 0.000 abstract description 3
- 241000264877 Hippospongia communis Species 0.000 description 96
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 4
- 230000003137 locomotive effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Abstract
The application provides a honeycomb energy-absorbing anti-creeping device capable of reducing trigger peak force, which comprises an anti-creeping toothed plate, wherein the anti-creeping toothed plate is provided with a plurality of anti-creeping teeth; comprises a front energy-absorbing honeycomb and a rear energy-absorbing honeycomb; the honeycomb energy-absorbing anti-climbing device for reducing the trigger peak force comprises a front energy-absorbing honeycomb and a rear energy-absorbing honeycomb; the rear energy-absorbing honeycomb is used as a main energy-absorbing honeycomb, and the front energy-absorbing honeycomb is used as a buffer area part; through setting up second grade energy-absorbing structure, energy-absorbing stroke extension, energy-absorbing capacity increase to increase energy-absorbing aluminium honeycomb area of contact step by step, make the effective reduction of maximum trigger force, reduce the intensity requirement to the automobile body.
Description
Technical Field
The application belongs to the technical field of anti-creeping energy absorption of motor train units, and particularly relates to a honeycomb energy absorption anti-creeping toothed plate capable of reducing trigger peak force.
Background
Along with the rapid development of the motor train traffic construction in China, the speed of the rail car set is faster and faster, the risk of accidents is higher and higher, and therefore effective anti-creeping energy absorption after the rail car set collides becomes a focus of attention of research and development personnel. Considering the energy absorption requirement and the actual energy absorption mode of the motor train unit, a main anti-creeping energy absorption device is generally arranged on the locomotive. In high-speed collision, in order to ensure the life safety of passengers, the motor train unit is not allowed to generate rigid collision, so that the energy absorption performance of the anti-creeper is improved, and the anti-creeper is worth thinking of a researcher.
The honeycomb energy-absorbing anti-creeper is compressed through deformation of the honeycomb energy-absorbing anti-creeper, so that when two identical motor train units collide unexpectedly, the energy-absorbing anti-creeper designed and installed at the end part of a vehicle can absorb impact energy, and the loss of personnel and property caused by the acceleration of the vehicle collision and the change of the vehicle body caused by the collision to passengers is reduced.
In the prior art, no matter the design of any form of energy-absorbing anti-creeper, the trigger peak force is basically about 30% larger than the average resistance force in the test collision energy absorption process, and the larger the trigger peak force is, the higher the requirement on the vehicle body mounting structure is. Reducing and eliminating the difference between the trigger peak force and the average resistance is a goal of research and development of vehicle crash energy absorbing products.
In view of this, the present application is specifically proposed.
Disclosure of Invention
In order to solve one of the technical defects, the embodiment of the application provides a honeycomb energy-absorbing anti-creep device for reducing the trigger peak force, which solves the problems that the trigger peak force is reduced and the design strength requirements of an energy-absorbing structure on a mounting seat and a mounting surface of a vehicle body are improved.
According to the embodiment of the application, the honeycomb energy-absorbing anti-creep device for reducing the trigger peak force comprises an anti-creep toothed plate, wherein the anti-creep toothed plate is provided with a plurality of anti-creep teeth; comprises a front energy-absorbing honeycomb and a rear energy-absorbing honeycomb; further comprises:
the anti-creeping toothed plate is arranged at the front end of the first supporting piece;
the second support piece is arranged at the rear end of the first support piece, and a first cavity for accommodating the front energy absorption honeycomb is formed between the first support piece and the second support piece;
and the third support piece is sleeved at the rear end of the second support piece, and a second cavity for the rear energy absorption honeycomb is formed between the second support piece and the third support piece.
The first support includes:
the first supporting frame extends along the transverse direction, and the front end of the first supporting frame is connected with the anti-creeping toothed plate;
the first compression panel is arranged at the rear end of the first support frame and positioned at the front end of the front energy-absorbing honeycomb, so that the front energy-absorbing honeycomb is plugged in the first cavity and is compressed when being extruded and collided.
The front energy-absorbing honeycomb is provided with a plurality of front grooves at one end close to the first supporting piece,
the front groove is opened towards the first supporting piece so as to reduce the contact area with the first supporting piece.
The first support frame is arranged to be of a hollow cavity structure, and two ends of the first support frame are open.
The second support includes:
a second support frame extending in a lateral direction, the front end of which is connected to the first support member;
the second compression panel is arranged at the rear end of the second support frame and is positioned at the front end of the rear energy-absorbing honeycomb so as to plug the rear energy-absorbing honeycomb in the second cavity and compress the rear energy-absorbing honeycomb when being extruded and collided.
The second support frame is arranged to be of a hollow cavity structure, two ends of the second support frame are open, and the second support frame is sleeved on the outer side wall of the first support piece.
The third support includes:
a third support frame extending in a lateral direction, the front end of which is connected to the second support member;
the third compression panel is arranged at the rear end of the third support frame and is positioned at the rear end of the rear energy absorption honeycomb, so that the rear energy absorption honeycomb is plugged in the second cavity and is compressed when the rear energy absorption honeycomb is extruded and collided.
The rear end of the rear energy-absorbing honeycomb is provided with a rear groove,
the rear recess reduces the contact area with the third compression panel.
The third support frame is arranged to be of a hollow cavity structure, two ends of the third support frame are open, and the third support frame is sleeved on the outer side wall of the second support piece.
And the outer side of the third supporting piece is provided with a mounting seat, and the mounting seat is connected with a honeycomb energy-absorbing anti-creeping toothed plate for reducing trigger peak force and an external vehicle body.
The beneficial effects of this application:
1. the honeycomb energy-absorbing anti-climbing device for reducing the trigger peak force comprises a front energy-absorbing honeycomb and a rear energy-absorbing honeycomb; the rear energy-absorbing honeycomb is used as a main energy-absorbing honeycomb, and the front energy-absorbing honeycomb is used as a buffer area part; through setting up second grade energy-absorbing structure, energy-absorbing stroke extension, energy-absorbing capacity increase to increase energy-absorbing aluminium honeycomb area of contact step by step, make the effective reduction of maximum trigger force, reduce the intensity requirement to the automobile body.
2. The application provides a reduce honeycomb energy-absorbing anticreeper that triggers peak value power is provided with first support piece, second support piece and third support piece for hold and support anterior energy-absorbing honeycomb and rear portion energy-absorbing honeycomb, the effect is for supporting the energy-absorbing honeycomb, makes the honeycomb in the deformation process, can not be broken the deformation by the honeycomb extrusion after the compression to can play fine guide effect.
3. The honeycomb energy-absorbing anti-creep device capable of reducing trigger peak force is provided, grooves are formed in two stages of energy-absorbing honeycombs, contact area guiding deformation is reduced, the honeycomb energy-absorbing anti-creep device starts from the back, orderly forwards pushes, and accordingly an energy-absorbing anti-creep toothed plate can absorb energy orderly and deform.
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 embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a schematic plan view of the present application
FIG. 2 is a cross-sectional view of the present application;
FIG. 3 is a schematic cross-sectional view of a rear main energy absorbing honeycomb opening of the present application;
FIG. 4 is a schematic cross-sectional view of an application front cushioning energy absorbing honeycomb opening.
1. Anti-creeping toothed plate; 2. a first support; 201. a first support frame; 202. a first compression panel; 3. a second support; 301. a second support frame; 302. a second compression panel; 4. a front energy absorbing honeycomb; 401. a front groove; 5. a rear energy absorbing honeycomb; 501. a rear groove; 6. a third support; 601. a third support frame; 602. a third compression panel; 603. a flange plate; 7. and (5) a mounting seat.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following detailed description of exemplary embodiments of the present application is given with reference to the accompanying drawings, and it is apparent that the described embodiments are only some of the embodiments of the present application and not exhaustive of all the embodiments. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
The connecting direction of the two vehicles is set to be transverse.
As shown in fig. 1 to 4, in the embodiment of the present application, a honeycomb energy-absorbing anti-creeper for reducing a trigger peak force is provided, which is mainly installed at the front part of a locomotive of a motor train unit, and plays a role in collision energy absorption during the process that the locomotive is impacted, so that the locomotive is not crushed and deformed; the anti-creeping tooth plate comprises an anti-creeping tooth plate 1, wherein the anti-creeping tooth plate 1 is provided with a plurality of anti-creeping teeth; the anti-creeping toothed plate 1 is provided with a plurality of anti-creeping teeth which play a role in meshing and anti-creeping in the collision process; comprises a front energy-absorbing honeycomb 4 and a rear energy-absorbing honeycomb 5; also included are a first support 2, a first support 2 and a first support 2.
The first support piece 2, the anti-creeping toothed plate 1 is arranged at the front end of the first support piece 2; the first support piece 2 is arranged at the rear end of the first support piece 2, and a first cavity for accommodating the front energy absorption honeycomb 4 is formed between the first support piece 2 and the second support piece 3; the first support piece 2 is sleeved at the rear end of the second support piece 3, and a second cavity for the rear energy absorption honeycomb 5 is formed between the second support piece 3 and the third support piece 6.
Specifically, through setting up second grade energy-absorbing structure, energy-absorbing stroke extension, energy-absorbing capacity increase to increase energy-absorbing aluminium honeycomb area of contact step by step, make the effective reduction of maximum trigger force, reduce the intensity requirement to the automobile body. The first supporting piece 2, the second supporting piece 3 and the third supporting piece 6 are arranged and used for accommodating and supporting the front energy-absorbing honeycomb 4 and the rear energy-absorbing honeycomb 5, and are used for supporting the energy-absorbing honeycomb, so that the honeycomb can not be crushed and deformed by the compressed honeycomb in the deformation process, and a good guiding effect can be achieved.
When collision occurs, the first support piece 2 slides backwards as a whole to start to compress the front energy absorption honeycomb 4, the honeycomb area of the part is smaller, the energy absorption stroke is shorter, and the rear energy absorption assembly 5 is compressed together with the first support piece 2 as a whole structure after energy absorption is finished.
In an embodiment of the present application, a cellular energy absorbing anti-creep device for reducing trigger peak force is provided, the first support 2 comprises:
a first supporting frame 201 extending in a lateral direction, the front end of which is connected to the anti-creeping toothed plate 1;
the first compression panel 202 is disposed at the rear end of the first support frame 201 and located at the front end of the front energy-absorbing honeycomb 4, so as to seal the front energy-absorbing honeycomb 4 in the first cavity, and compress the front energy-absorbing honeycomb 4 when being impacted by extrusion.
Embodiments of the present application provide a cellular energy absorbing anti-creep device that reduces trigger peak forces,
the first supporting frame 201 is configured as a hollow cavity structure, and two ends of the first supporting frame are open.
In an embodiment of the present application, a cellular energy absorbing anti-creep device for reducing trigger peak force is provided, the second support 3 comprises:
a second support frame 301 extending in a lateral direction, the front end of which is connected to the first support 2;
the second compression panel 302 is disposed at the rear end of the second support frame 301 and located at the front end of the rear energy-absorbing honeycomb 5, so as to plug the rear energy-absorbing honeycomb 5 into the second cavity, and compress the rear energy-absorbing honeycomb 5 when the rear energy-absorbing honeycomb 5 is impacted by extrusion.
In the embodiment of the application, a honeycomb energy-absorbing anti-creeper for reducing trigger peak force is provided, the second supporting frame 301 is arranged to be of a hollow cavity structure, two ends of the second supporting frame are open, and the second supporting frame 301 is sleeved on the outer side wall of the first supporting piece 2.
In an embodiment of the present application, a cellular energy absorbing anti-creep device for reducing trigger peak force is provided, the third support 6 comprises:
a third support frame 601 extending in a lateral direction, the front end of which is connected to the second support 3;
the third compression panel 602 is disposed at the rear end of the third support frame 601 and located at the rear end of the rear energy-absorbing honeycomb 5, so as to seal the rear energy-absorbing honeycomb 5 in the second cavity, and compress the rear energy-absorbing honeycomb 5 when being impacted by extrusion.
In an embodiment of the present application, a honeycomb energy-absorbing anti-creep device for reducing trigger peak force is provided, wherein a plurality of front grooves 401 are arranged at one end of the front energy-absorbing honeycomb 4 near the first support 2,
the front groove 401 opens in a direction toward the first support 2 to reduce the contact area with the first support 2.
Embodiments of the present application provide a honeycomb energy absorbing anticreeper that reduces trigger peak forces, the rear end of the rear energy absorbing honeycomb 5 is provided with a rear recess 501,
the rear groove 501 opens toward the third compression panel 602 to reduce the contact area with the third compression panel 602.
In this embodiment, the front end recess 401 of the front buffering energy absorbing honeycomb 4 makes the contact area between the front end of the front buffering energy absorbing honeycomb 4 and the first compression panel 202 smaller. The maximum triggering force of the front energy-absorbing honeycomb 4 can be effectively reduced when collision occurs, and the strength requirement on the vehicle body is reduced. The rear end of the rear main energy absorption honeycomb 5 is provided with a groove 501, so that the contact area between the rear end of the rear main energy absorption honeycomb 5 and the third compression panel 602 is reduced. The rear main energy-absorbing honeycomb 5 can be guided to deform from the rear during collision, and the rear main energy-absorbing honeycomb can be orderly pushed forward, so that the energy-absorbing anti-creeping toothed plate can be orderly energy-absorbing deformed.
The embodiment of the application provides a honeycomb energy-absorbing anticreeper of reduction trigger peak force, third braced frame 601 sets up to cavity structure, and both ends opening, third braced frame 601 cup joint in the lateral wall of second support piece 3.
The embodiment of the application provides a honeycomb energy-absorbing anti-creep device capable of reducing trigger peak force, the outer side of a third supporting piece 6 is provided with a mounting seat 7, and the mounting seat 7 is connected with a honeycomb energy-absorbing anti-creep toothed plate capable of reducing trigger peak force and an external vehicle body. Specifically, the mounting seat 7 is a flange plate fixedly sleeved outside the third support frame 601, bolt holes are uniformly formed in the flange plate, positioning grooves are formed in one side of the flange plate, and the honeycomb energy-absorbing anti-creeping toothed plate capable of reducing trigger peak force can be fixed on the head of a vehicle through the uniformly arranged bolt holes in the flange plate, wherein the positioning grooves play a role in correcting alignment.
In this embodiment, the cross sections of the first support frame 201, the second support frame 301, and the third support frame 401 may be rectangular bar-shaped cavities. The energy absorption stroke of the energy absorption device can be prolonged, and the energy absorption capacity is increased.
As an embodiment, the first support frame 201, the second support frame 301, and the third support frame 401 are uniformly provided with a plurality of bolt holes around the overlapping portion, and are fixed by using shear bolts; when collision occurs, when the bearing strength is greater than the shearing strength of the shearing bolt under the impact load, the shearing bolt can be sheared, the anti-creeping toothed plate and the first support piece slide backwards as a whole to start compressing the front energy-absorbing honeycomb 4, and when collision occurs, the front buffering energy-absorbing honeycomb 4 and the first support piece 2 are used as a whole structure to start compressing the rear main energy-absorbing honeycomb 5 to absorb energy after energy absorption.
Specifically, aluminum is selected as the honeycomb energy-absorbing anti-creeping toothed plate structure, the section of the honeycomb 5 with the rear energy-absorbing honeycomb structure is the main energy-absorbing honeycomb, and the rear end part of the main energy-absorbing honeycomb 5 is provided with a notch with the area of 30%.
The front energy-absorbing honeycomb 4 is a buffer area part, the honeycomb area of the part is smaller, the energy-absorbing stroke is shorter, and the front energy-absorbing honeycomb and the support piece are used as a structural compression rear honeycomb after the energy absorption is finished. The rear end of the buffering part honeycomb 5 is provided with square notches, so that the contact area at the beginning of energy absorption is reduced by about 30%, the trigger peak force is reduced, and the trigger peak force is about 30% higher than the average resistance force in the collision test process of the honeycomb, and the honeycomb plays a guiding role in deforming the honeycomb from the rear part to the front part.
While 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. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.
Claims (10)
1. The honeycomb energy-absorbing anti-creeping device capable of reducing trigger peak force comprises an anti-creeping toothed plate (1), wherein the anti-creeping toothed plate (1) is provided with a plurality of anti-creeping teeth; the energy-absorbing honeycomb structure is characterized by comprising a front energy-absorbing honeycomb (4) and a rear energy-absorbing honeycomb (5); further comprises:
the anti-creeping toothed plate (1) is arranged at the front end of the first supporting piece (2);
the second support piece (3) is arranged at the rear end of the first support piece (2), and a first cavity for accommodating the front energy absorption honeycomb (4) is formed between the first support piece (2) and the second support piece (3);
the third support piece (6) is sleeved at the rear end of the second support piece (3), and a second cavity for the rear energy absorption honeycomb (5) is formed between the second support piece (3) and the third support piece (6).
2. The cellular energy absorbing anticreeper of claim 1, characterized in that said first support (2) comprises:
a first support frame (201) extending in a lateral direction, the front end of which is connected to the anti-creeping toothed plate (1);
the first compression panel (202) is arranged at the rear end of the first support frame (201) and is positioned at the front end of the front energy-absorbing honeycomb (4) so as to plug the front energy-absorbing honeycomb (4) in the first cavity and compress the front energy-absorbing honeycomb (4) when the front energy-absorbing honeycomb is impacted by extrusion.
3. The cellular energy absorbing anti-creep device with reduced trigger peak force according to claim 1, characterized in that the front energy absorbing cells (4) are provided with a plurality of front grooves (401) near one end of the first support (2),
the front groove (401) is opened towards the first support (2) to reduce the contact area with the first support (2).
4. The cellular energy absorbing anti-creep device with reduced trigger peak force according to claim 2,
the first supporting frame (201) is arranged to be of a hollow cavity structure, and two ends of the first supporting frame are open.
5. The cellular energy absorbing anti-creep device with reduced trigger peak force according to claim 1,
the second support (3) comprises:
a second support frame (301) extending in the transverse direction, the front end of which is connected to the first support (2);
the second compression panel (302) is arranged at the rear end of the second support frame (301) and is positioned at the front end of the rear energy absorption honeycomb (5) so as to plug the rear energy absorption honeycomb (5) in the second cavity and compress the rear energy absorption honeycomb (5) when the rear energy absorption honeycomb (5) is extruded and collided.
6. The cellular energy absorbing anti-creep device for reducing trigger peak forces according to claim 5,
the second support frame (301) is of a hollow cavity structure, two ends of the second support frame are open, and the second support frame (301) is sleeved on the outer side wall of the first support piece (2).
7. The cellular energy absorbing anti-creep device with reduced trigger peak force according to claim 1,
the third support (6) comprises:
a third support frame (601) extending in the transverse direction, the front end of which is connected to the second support (3);
the third compression panel (602) is arranged at the rear end of the third support frame (601) and is positioned at the rear end of the rear energy absorption honeycomb (5) so as to plug the rear energy absorption honeycomb (5) in the second cavity and compress the rear energy absorption honeycomb (5) when the rear energy absorption honeycomb (5) is extruded and collided.
8. The cellular energy absorbing anti-creep device for reducing trigger peak forces according to claim 7, characterized in that the rear end of the rear energy absorbing cellular (5) is provided with a rear recess (501), the rear recess (501) opening in a direction towards the third compression panel (602) to reduce the contact area with the third compression panel (602).
9. The cellular energy absorbing anti-creep device for reducing trigger peak forces according to claim 7,
the third supporting frame (601) is of a hollow cavity structure, two ends of the third supporting frame are open, and the third supporting frame (601) is sleeved on the outer side wall of the second supporting piece (3).
10. The cellular energy absorbing anti-creep device with reduced trigger peak force according to claim 1,
the outer side of the third supporting piece (6) is provided with a mounting seat (7), and the mounting seat (7) is connected with a honeycomb energy-absorbing anti-creeping toothed plate for reducing trigger peak force and an external vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222646076.4U CN220374514U (en) | 2022-10-09 | 2022-10-09 | Honeycomb energy-absorbing anticreeper capable of reducing trigger peak force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222646076.4U CN220374514U (en) | 2022-10-09 | 2022-10-09 | Honeycomb energy-absorbing anticreeper capable of reducing trigger peak force |
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| Publication Number | Publication Date |
|---|---|
| CN220374514U true CN220374514U (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222646076.4U Active CN220374514U (en) | 2022-10-09 | 2022-10-09 | Honeycomb energy-absorbing anticreeper capable of reducing trigger peak force |
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| Country | Link |
|---|---|
| CN (1) | CN220374514U (en) |
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2022
- 2022-10-09 CN CN202222646076.4U patent/CN220374514U/en active Active
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