CN206171379U - FSAE cycle racing energy -absorbing device - Google Patents
FSAE cycle racing energy -absorbing device Download PDFInfo
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- CN206171379U CN206171379U CN201621247441.2U CN201621247441U CN206171379U CN 206171379 U CN206171379 U CN 206171379U CN 201621247441 U CN201621247441 U CN 201621247441U CN 206171379 U CN206171379 U CN 206171379U
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- energy absorber
- honeycomb
- energy
- honeycomb energy
- plate
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Abstract
The utility model discloses a FSAE cycle racing energy -absorbing device, the energy -absorbing device can be the same by three thickness, long wide then different honeycomb aluminum energy absorber is prevented invading the board through the square that the size is different and is formed by connecting, wherein, the size of honeycomb aluminum energy absorber increases after to in the past in proper order, honeycomb unit size and thickness homogeneous phase with. The utility model discloses a FSAE cycle racing energy -absorbing device can realize that the rigidity of energy -absorbing device increases by after going to in proper order, and along with the deformation of energy -absorbing device increases, the absorptive energy of energy -absorbing device is also in the increase of step nature. Run into flip hit little deformation in, only need to change receive the damage in three honeycomb aluminum energy absorbers the honeycomb aluminum energy absorber can, the cost is reduced has practiced thrift the resource, simple structure, easy to maintain, low cost, economic benefits is outstanding, the utility model provides the high intensity and the energy -absorbing efficiency of energy -absorbing device through the analog computation, satisfies the collision requirement of FSAE cycle racing, and the energy -absorbing is respond well.
Description
Technical field
The utility model is related to FSAE racing cars field, more particularly to a kind of collision energy-absorbing device.
Background technology
Formula SAE (FSAE) were founded by SAE international (SAE International) in 1978,
Its concept comes from a virtual producting factory, to the collection of all university student's design teams manufacture and design one it is small-sized similar to mark
The racing car of quasi- equation, it is desirable to which racing car is accelerating, braking, handling aspect have excellent performance and sufficiently stable durable.
The security of FSAE racing cars is paid much attention to, FSAE races regulation, and in order to protect the safety of racing driver, FSAE racing cars are necessary
Install collision energy-absorbing device additional.The effect of collision energy-absorbing device is to ensure racing car during collision, there is enough safety decelerations
Distance, and absorption collision energy as much as possible.Prevent from destroying the agent structure of racing car, be also prevented from injuring racing driver.Existing skill
Collision energy-absorbing device in art is mostly the honeycomb energy absorber for using the monomer of monolithic construction, i.e., before racing car
End.This collision energy-absorbing device is relatively simple for structure, but once clashes into, regardless of the degree of clashing into, as long as energy absorber
Deformed breakage, it is necessary to which whole energy absorption device is changed.I.e. collision energy-absorbing device is disposable, and this will be carried significantly
The maintenance cost of racing car high.And existing collision energy-absorbing device front end rear end size is most of all consistent, in causing collision process
Energy-absorbing speed is equal all the time and bigger than normal, it is impossible to realize being incremented by for collision deceleration value, then the deceleration in low speed collision is still
It is larger, to the injury of occupant than larger.
The content of the invention
The utility model is once damaged and cannot be continuing with for existing FSAE racing cars energy absorption device, can only all be changed
Problem, proposes a kind of FSAE racing car energy absorption devices that can deform according to collision energy height classification in collision process, collision hair
The damaged partial cell energy absorber of deformation need to be only changed after life.
To achieve the above object, the utility model employs following technical scheme：
Including energy absorber fixing support assembly and N number of honeycomb energy absorber, N >=2；The front end of each honeycomb energy absorber is set
Have an anti-intrusion plate, the rear end of preceding N-1 honeycomb energy absorber respectively with latter each adjacent anti-the invading of honeycomb energy absorber front end
Enter plate to be connected, the rear end of n-th honeycomb energy absorber and anti-intrusion plate (the i.e. anti-intrusion of fixed support of energy absorber fixing support assembly
Plate) it is connected；The lateral dimension of the honeycomb energy absorber increases successively, and the less honeycomb energy absorber of lateral dimension is apart from energy absorber
Fixing support assembly is farther out.
The energy absorber fixing support assembly is made up of the anti-intrusion plate of fixed support and fixed frame, the anti-intrusion of fixed support
Plate is connected with fixed frame by bolt, fixed frame by steel-pipe welding into square frame and be welded on inside the frame
X fonts reinforcement structure composition.
The part or all of cellular unit of the honeycomb energy absorber is by the anti-intrusion plate of correspondence positioned at honeycomb energy absorber two ends
Closing.
The thickness (i.e. longitudinal size) of the honeycomb energy absorber is identical, honeycomb energy absorber and is connected to correspondence honeycomb energy absorber
The lateral dimension of the anti-intrusion plate of front end is identical, the anti-intrusion plate of energy absorber fixing support assembly and the honeycomb energy-absorbing of corresponding connection
The lateral dimension of device is identical.
The honeycomb energy absorber and anti-intrusion plate are square.
The cell sizes of the honeycomb energy absorber are identical, and the material thickness of cellular unit is identical.
The honeycomb energy absorber is aluminum, and anti-intrusion plate is steel.
The honeycomb energy absorber is three, respectively preceding honeycomb energy absorber, middle honeycomb energy absorber and rear honeycomb energy absorber.
The front end of the preceding honeycomb energy absorber is connected by gluing form with preceding anti-intrusion plate, after preceding honeycomb energy absorber
End by gluing form with it is anti-intrusion plate be connected, it is described in it is anti-invade plate by gluing form and middle honeycomb energy absorber
Front end is connected, and the rear end of middle honeycomb energy absorber invades plate and is connected by gluing form and rear defence, and the rear defence invades plate and passes through
Gluing form is connected with the front end of rear honeycomb energy absorber, and the rear end of rear honeycomb energy absorber is anti-with energy absorber fixing support assembly
Invade plate to be connected, energy absorber fixing support assembly is connected by bolt with racing car.
The gluing adhesives for using is epoxide-resin glue.
The beneficial effects of the utility model are embodied in：
The lateral dimension of polylith honeycomb energy absorber increases successively in energy absorption device described in the utility model, by polylith honeycomb
Energy absorber deforms to absorb the extraneous collision kinetic energy for bringing successively successively.After collision process generation, it is only necessary to deforming
Honeycomb energy absorber changed.And under identical energy-absorbing effect this energy absorption device front end size it is smaller, occur low speed
Collision deceleration during collision is smaller, to the injury of occupant than relatively low.The utility model simple structure, it is easy to safeguard, low cost
It is honest and clean, it is applied widely.
Further, honeycomb energy absorber and anti-intrusion plate, can be by glues to damage by epoxide-resin glue adhesion
The adhering parts such as honeycomb energy absorber are fast, easily changed.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is energy absorber fixing support assembly structural representation；
Fig. 3 is all parts energy absorption curve of energy absorption device during head-on crash；
In figure：1 be preceding anti-intrusion plate, 2 be preceding honeycomb energy absorber, 3 be rear defence invade plate, 4 be in anti-intrusion plate, during 5 are
Honeycomb energy absorber, 6 is rear honeycomb energy absorber, and 7 is energy absorber fixing support assembly, and 8 is the anti-intrusion plate of fixed support, and 9 is fixation
Framework, honeycomb energy absorber energy absorption characteristics curve before 10, honeycomb energy absorber energy absorption characteristics curve in 11, honeycomb energy absorber energy-absorbing after 12
Characteristic curve.
Specific embodiment
The utility model is elaborated with reference to the accompanying drawings and examples, the embodiment is to solution of the invention
Release, rather than restriction.
(1) structural principle
Referring to Fig. 1 and Fig. 2, a kind of FSAE racing cars energy absorption device, including anti-intrusion plate 1 before being arranged in order along longitudinal direction,
Preceding honeycomb energy absorber 2, in anti-intrusion plate 4, middle honeycomb energy absorber 5, rear defence to invade plate 3, rear honeycomb energy absorber 6 and energy absorber solid
Fixed rack assembly 7；Energy absorber fixing support assembly 7 includes that fixed support is anti-and invades plate 8 and fixed frame 9.Wherein longitudinally refer to match
The headstock of the longitudinal direction of car, i.e. racing car and direction where tailstock line, it is corresponding laterally refer to above-mentioned longitudinally perpendicular direction, that is, match
The transverse direction of car.
The preceding anti-intrusion plate 1 is connected by gluing form with the preceding front end of honeycomb energy absorber 2, and preceding anti-intrusion plate 1 is preceding
The front of honeycomb energy absorber 2.By gluing form, anti-intrusion plate 4 front end with is connected for the preceding rear end of honeycomb energy absorber 2, in it is anti-
Invade the rear end of plate 4 to be connected with the middle front end of honeycomb energy absorber 5 by gluing mode, the middle rear end of honeycomb energy absorber 5 is by gluing
Form invades the front end of plate 3 and is connected with rear defence, and rear defence invades the rear end of plate 3 by gluing form and the front end phase of rear honeycomb energy absorber 6
Even, the rear rear end of honeycomb energy absorber 6 is by gluing form and the anti-intrusion plate of fixed support of the front end of energy absorber fixing support assembly 7
8 are connected.The anti-intrusion plate 8 of fixed support and fixed frame 9 are fixed on racing car sample car together by bolt.The preceding honeycomb energy-absorbing
The cellular unit opening direction of device, middle honeycomb energy absorber and rear honeycomb energy absorber is consistent with above-mentioned longitudinal direction, before, during and after
Three anti-plates that invade play the uniform effect of honeycomb energy absorber deformation so that corresponding, also cause the honeycomb at anti-intrusion plate rear
Energy absorber uniform force, meanwhile, form sky when honeycomb energy absorber constitutes closing space with the anti-intrusion plate for being located at its front and back end
Hermetic sealing body, more effectively absorbs the energy of downthrust generation by compressed air in an impact.In order in collision process
In carry out conquassation deformation according to sequencing, the preceding honeycomb energy absorber 2, middle honeycomb energy absorber 5, rear honeycomb energy absorber 6 are installed
Size (lateral dimension) increases successively, and absorbing energy capacity strengthens successively, and longitudinal size is then identical, relatively rational total vertical to ensure to have
The honeycomb aluminium of same thickness specification is can select to size, and during processing, manufacturing cost is reduced.
(2) job analysis
When there is collision accident, preceding anti-intrusion plate 1 is contacted first with collision object, and preceding honeycomb energy absorber 2 starts
Conquassation deformation absorbs collision energy.If preceding honeycomb energy absorber 2 is collided without termination, preceding honeycomb energy absorber after being badly deformed
2 pass through in anti-intrusion plate 4 collision energy is passed into middle honeycomb energy absorber 5, middle honeycomb energy absorber 5 starts deformation, is collided
The absorption of energy；If middle honeycomb energy absorber 5 is collided without termination after being badly deformed, middle honeycomb energy absorber 5 passes through rear defence
Invade plate 3 and collision energy is passed into rear honeycomb energy absorber 6, rear honeycomb energy absorber 6 starts deformation, carries out the suction of collision energy
Receive, when all of rigid absorption cell is cut completely, whole energy-absorbings terminate, energy absorption device work is finished.
(3) application case
Based on above-mentioned FSAE racing cars energy absorption device, its type selecting is exemplified below.
1) three honeycomb energy absorbers such as are at the energy absorber of hexagonal honeycomb unit, and cell sizes are identical, and material is thick
Degree is identical, easy mass manufacture.
2) length and width of honeycomb energy absorber and anti-intrusion plate are equal sized, that is, be square, and the material of anti-intrusion plate is thickness
1~3mm of degree, area are respectively 0.012m2、0.04m2、0.09m2Steel plate, the material of honeycomb energy absorber is AL6006.
3) by external diameter for the steel-pipe welding of 30mm is formed, main body is square to fixed frame, and square internal welding is connected to X-type
Structure, to absorb collision energy.
4) in order to meet performance requirement of the FSAE racing cars for collision energy-absorbing device, three honeycomb energy absorber thickness (longitudinal directions
Size) 90mm is, area is respectively 0.012m2、0.04m2、0.09m2。
5) honeycomb energy absorber is bonded with anti-intrusion plate using epoxide-resin glue, such as needs to change, and is dissolved with epoxy resin
Agent is dissolved to viscose glue.
(4) head-on crash experimental result
Referring to Fig. 1, for above-mentioned application example, according to its preceding honeycomb energy absorber energy absorption characteristics curve 10, middle honeycomb energy-absorbing
Device energy absorption characteristics curve 11 and rear honeycomb energy absorber energy absorption characteristics curve 12, it can be seen that do not have in previous honeycomb energy absorber
Before being badly deformed, latter honeycomb energy absorber will not conquassation deformation energy-absorbing.
In a word, the utility model has the advantages and positive effects that：
1) energy absorption device has the structure of stabilization, because the lateral dimension of three pieces of honeycomb energy absorbers increases successively, therefore
The deformation of three pieces of honeycomb energy absorbers has sequencing in collision process.By three pieces of deformations successively of honeycomb energy absorber come according to
It is secondary to absorb the extraneous collision kinetic energy for bringing.
2) first piece of honeycomb energy absorber size that the energy absorption device deforms at first in an impact is smaller, in small velocity collision
When, larger crash acceleration will not be produced.And in high velocity impact, its peak accelerator time can also meet requirement.
3) in small collision process, if only first piece honeycomb energy absorber deformation, only to first piece of honeycomb energy absorber
Changed.Honeycomb energy absorber and anti-intrusion plate by epoxide-resin glue adhesion, honeycomb that can be by glue to damaging
Energy absorber is changed.
4) the utility model simple structure, it is easy to safeguard, it is with low cost, it is applied widely.
5) the utility model improves the intensity and energy absorbing efficiency of energy absorption device, is calculated by simulating, and meets FSAE racing cars
Crash requirements, energy-absorbing effect is good.
Claims (10)
1. a kind of FSAE racing cars energy absorption device, it is characterised in that：Inhaled including energy absorber fixing support assembly (7) and N number of honeycomb
Can device, N >=2；The front end of each honeycomb energy absorber is provided with anti-intrusion plate, the rear end of preceding N-1 honeycomb energy absorber respectively with respectively
It is connected from the anti-intrusion plate of latter adjacent honeycomb energy absorber front end, the rear end of n-th honeycomb energy absorber is fixed with energy absorber
The anti-intrusion plate of bracket assembly (7) is connected；The honeycomb energy absorber lateral dimension increases successively, and the less honeycomb of lateral dimension
Energy absorber apart from energy absorber fixing support assembly (7) farther out.
2. a kind of FSAE racing cars energy absorption device according to claim 1, it is characterised in that：The energy absorber fixing support assembly
(7) it is made up of the anti-intrusion plate (8) of fixed support and fixed frame (9), the anti-intrusion plate (8) of fixed support and fixed frame (9) are logical
Bolt is crossed to be connected, fixed frame (9) by steel-pipe welding into square frame and the X fonts that are welded on inside the frame strengthen
Structure composition.
3. a kind of FSAE racing cars energy absorption device according to claim 1, it is characterised in that：The part of the honeycomb energy absorber or
Whole cellular units are closed by the anti-plate that invades of the correspondence positioned at honeycomb energy absorber two ends.
4. a kind of FSAE racing cars energy absorption device according to claim 1, it is characterised in that：The thickness phase of the honeycomb energy absorber
Together, honeycomb energy absorber is identical with the lateral dimension of the anti-intrusion plate for being connected to correspondence honeycomb energy absorber front end, and energy absorber fixes branch
The anti-intrusion plate of frame assembly (7) is identical with the lateral dimension of the honeycomb energy absorber of correspondence connection.
5. a kind of FSAE racing cars energy absorption device according to claim 1, it is characterised in that：The honeycomb energy absorber and anti-intrusion
Plate is square.
6. a kind of FSAE racing cars energy absorption device according to claim 1, it is characterised in that：The honeycomb list of the honeycomb energy absorber
Elemental size is identical, and the material thickness of cellular unit is identical.
7. a kind of FSAE racing cars energy absorption device according to claim 1, it is characterised in that：The honeycomb energy absorber is aluminium
System, anti-intrusion plate is steel.
8. a kind of FSAE racing cars energy absorption device according to claim 1, it is characterised in that：The honeycomb energy absorber is three,
Respectively preceding honeycomb energy absorber (2), middle honeycomb energy absorber (5) and rear honeycomb energy absorber (6).
9. a kind of FSAE racing cars energy absorption device according to claim 8, it is characterised in that：The preceding honeycomb energy absorber (2)
Front end is connected by gluing form with preceding anti-intrusion plate (1), and the rear end of preceding honeycomb energy absorber (2) is by gluing form with
It is anti-intrusion plate (4) be connected, it is described in it is anti-intrusion plate (4) be connected with the front end of middle honeycomb energy absorber (5) by gluing form, in
The rear end of honeycomb energy absorber (5) invades plate (3) and is connected by gluing form and rear defence, and the rear defence invades plate (3) by glue
Viscous form is connected with the front end of rear honeycomb energy absorber (6), rear end and the energy absorber fixing support assembly of rear honeycomb energy absorber (6)
(7) anti-intrusion plate is connected, and energy absorber fixing support assembly (7) is connected by bolt with racing car.
10. a kind of FSAE racing cars energy absorption device according to claim 9, it is characterised in that：The bonding material of the gluing use
Expect to be epoxide-resin glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621247441.2U CN206171379U (en) | 2016-11-18 | 2016-11-18 | FSAE cycle racing energy -absorbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621247441.2U CN206171379U (en) | 2016-11-18 | 2016-11-18 | FSAE cycle racing energy -absorbing device |
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| Publication Number | Publication Date |
|---|---|
| CN206171379U true CN206171379U (en) | 2017-05-17 |
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ID=58687183
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621247441.2U Expired - Fee Related CN206171379U (en) | 2016-11-18 | 2016-11-18 | FSAE cycle racing energy -absorbing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN206171379U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108248465A (en) * | 2018-01-31 | 2018-07-06 | 吉利汽车研究院（宁波）有限公司 | Passenger car heel row prevents lower submersible device and passenger car |
-
2016
- 2016-11-18 CN CN201621247441.2U patent/CN206171379U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108248465A (en) * | 2018-01-31 | 2018-07-06 | 吉利汽车研究院（宁波）有限公司 | Passenger car heel row prevents lower submersible device and passenger car |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 Termination date: 20171118 |