CN1903614A - Composite material energy absorbing structure for buffering automobile collision - Google Patents
Composite material energy absorbing structure for buffering automobile collision Download PDFInfo
- Publication number
- CN1903614A CN1903614A CN 200610095022 CN200610095022A CN1903614A CN 1903614 A CN1903614 A CN 1903614A CN 200610095022 CN200610095022 CN 200610095022 CN 200610095022 A CN200610095022 A CN 200610095022A CN 1903614 A CN1903614 A CN 1903614A
- Authority
- CN
- China
- Prior art keywords
- energy
- buffering
- absorbing device
- composite material
- crossbeam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Vibration Dampers (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention relates to an automobile collision buffer energy-absorbing structure. It includes transverse beam and longitudinal beam, on the front side of transverse beam the front buffer energy-absorber is connected, the number of the front buffer energy-absorbers and their mounting position can be defined according to vehicle type. When one buffer energy-absorber is mounted, it is mounted in the middle portion of said transverse beam, when two buffer energy-absorbers are mounted, they are respectively mounted in two ends of front side of said transverse beam, and when three buffer energy-absorbers are mounted, one is mounted in the middle portion of said transverse beam and other two buffer energy-absorbers are respectively mounted in two ends of front side of the transverse beam. On the external surface of said front buffer energy-absorber is mounted a covering component. On the front end of said longitudinal beam a plastic deformation energy-absorber is connected, in the interior of said plastic deformation energy-absorber a rear buffer energy-absorber is parallelly connected, one end of plastic deformation energy-absorber is welded on the rear side of transverse beam, and its another end is welded and connected with the longitudinal beam.
Description
Technical field
The present invention relates to a kind of composite material energy absorbing structure for buffering automobile collision.Be applicable to different types of vehicle anticollision.
Background technology
Chinese patent CN2320468 has announced a kind of automobile energy dissipating collision prevention device, constitute by two coordination sinkers, oil pipe, returning devices, coordinate in the sinker fluid to be housed, the cross piston will be coordinated sinker and be divided into upper chamber and lower oil chamber, and by oil pipe the two upper and lower grease chambeies of coordinating sinkers are communicated with respectively, the rear end of coordinating sinker is connected with two returning devices respectively.
Chinese patent CN2417076 has announced a kind of vehicle anticollision bumper/spoiler, comprise the bumper/spoiler body, and by symmetrically arranged buffer shaft is housed on the bumper/spoiler, and recoil spring is inserted in the bar cover of piston rod front end, piston rod rear portion and piston are loaded on the multi-buffer device of forming in the cylinder body, and the overflow oil tube that advances of cylinder body end is connected to solenoid directional control valve.Has the impact force of alleviating and alleviating between each vehicle, protection vehicle and driver and conductor's safety.
Application number is that 200410027328 Chinese patent discloses a kind of bumper/spoiler front extensible automobile hydraulic buffering automatic collision safety method, it is characterized in that car deceleration, braking and bumper/spoiler initiatively protract and crashproofly carry out automatically under vehicle intellectualized microcomputer control system effect.
Application number is that 200320119672 Chinese patent discloses a kind of bumper/spoiler front extensible automobile automatic collision safety device, form by microcomputer control system and hydraulic cushion back seat system, it is characterized in that: microcomputer control system mainly is made up of micro controller system, range finder, annunciator, brake and crashproof controller, machine is moved back in the resistance that base system mainly has throttle by two inside behind the hydraulic cushion and anti-impact bumper is formed, and the two is connected with crashproof pressure relay by the brake pressure relay under the controller action.
At present, patented technology about vehicle anticollision also has a lot, but its structure mostly adopts hydraulic efficiency pressure system and microcomputer control system, its complex structure, the energy need be provided separately, cost height, vehicle anticollision safety of structure effect are desirable not to the utmost, the development space of the auto against safety of structure that still improves a lot.
Summary of the invention
In order to solve the problem of existing auto against safety of structure poor effect, the invention provides a kind of simple in structure, the vehicle anticollision buffering energy-absorbing structure that need not consume energy.
Energy absorbing structure for buffering automobile collision involved in the present invention, comprise crossbeam 2, longeron 4, it is characterized in that: be connected with anterior buffering energy-absorbing device 1 in crossbeam 2 front sides, anterior buffering energy-absorbing device 1 number and installation site can be determined according to the difference of vehicle, when installing one, are installed in the middle part of crossbeam 2 front sides, when installing two, be installed in the two ends of crossbeam 2 front sides, when installing three, be installed in the middle part and the two ends thereof of crossbeam 2 front sides; Forwardly buffering energy-absorbing device 1 outside is installed cover panel again; Longeron 4 front ends link plastic deformation energy absorber 3, and plastic deformation energy absorber 3 the insides are connected in parallel to rear portion buffering energy-absorbing device 5, and plastic deformation energy absorber 3 one ends are welded on crossbeam 2 rear sides, and the other end and longeron 4 are welded to connect.
The elastic element and the damping element of anterior buffering energy-absorbing device 1 and rear portion buffering energy-absorbing device 5 are made by composite material 6, and composite material 6 is composited by rubber and steel rope, composite material 6 and clamping plate 7 formation buffering energy-absorbing device primary elements up and down; Anterior buffering energy-absorbing device 1 comprises the clamping plate up and down 7 of two arcs, its radian size matches with the radian of crossbeam 2, the clamping plate up and down 7 of rear portion buffering energy-absorbing device 5 is straight plate, match with plastic deformation energy absorber 3 and longeron 4 respectively, composite material 6 turns to helix or annular arrangement or the ellipsoidal structure with different parameters at 7 of clamping plates up and down, to adapt to different automobile types, 7 of clamping plates connect with card article and sunk serew up and down.
Plastic deformation energy absorber 3 is made of the tubular thin type structure 8 that sheet steel or composite material forming become to have special variable section shape.
Touch the preceding clamping plate of anterior buffering energy-absorbing device 1 when vehicle generation head-on crash, reach in impact force and to make composite material elastic element when distortion of buffering energy-absorbing device 1, this buffering energy-absorbing device has begun buffer action, viscosity damping in the damping element begins to absorb and consume the collision impact energy simultaneously, when reaching, the distortion of the composite material elastic element of buffering energy-absorbing device 1 makes when wherein between the steel rope rope strand slippage taking place, dry-friction damping begins a large amount of the absorption and consumption collision impact energy, when the distortion of composite material elastic element continues to increase, viscosity damping, dry-friction damping and high order damping begin a large amount of absorb and consume the collision impact energy simultaneously, at this moment buffering energy-absorbing device 1 greatly slowly-releasing the infringement that causes of collision impact.Buffering energy-absorbing device 1 distortion that causes when collision impact continues to increase when reaching capacity deformation position, collision impact power passes to rear portion buffering energy-absorbing device 5 and plastic deformation energy absorber 3 by crossbeam 2, rear portion buffering energy-absorbing device 5 is with buffering energy-absorbing device 1 same principle and process when having the tubular thin type structure a large amount of absorptions of 8 generation plastic deformation of special variable section shape and consume the collision impact energy in plastic deformation energy absorber 3, and buffering also consumes the collision impact energy with a large amount of absorptions.This process is alleviated injury and the destruction that vehicle collision causes occupant and vehicle arrangement widely.
The invention has the beneficial effects as follows, buffering energy-absorbing process by the orderly distortion formation of composite material energy absorbing structure for buffering automobile collision, overwhelming majority collision impact energy is absorbed and consumes in this composite material energy absorbing structure for buffering automobile collision, protected occupant's the life security and the safety at other position of vehicle effectively, effective; Have good installation capability simultaneously, simple in structure, attractive in appearance, cost is low, can be installed in the front and the afterbody of automobile, and the utilization scope is wide, is applicable to all kinds of buffering automobile collision energy-absorbings.
Description of drawings
Fig. 1 is the overall schematic of composite material energy absorbing structure for buffering automobile collision of the present invention.
Fig. 2 is the tubular thin type structure figure that has special variable section shape in the plastic deformation energy absorber 3 among the present invention.
Fig. 3 is middle front part buffering energy-absorbing device 1 of the present invention and rear portion buffering energy-absorbing device 5 relative position figure
Fig. 4 is postmedian buffering energy-absorbing device 5 relative position figure of the present invention
Fig. 5 is the relative position figure of middle front part buffering energy-absorbing device 1 of the present invention and crossbeam 2.
Among the figure, 1. anterior buffering energy-absorbing type material matrix, 2. crossbeam, 3. plastic deformation energy absorber, 4. longeron, 5. rear portion buffering energy-absorbing device, 6. the elastic damping element of buffering energy-absorbing device, 7. clamping plate up and down, the tubular thin type structure that 8. has special variable section shape in the plastic deformation energy absorber
The specific embodiment
The present invention is further described as follows below in conjunction with accompanying drawing:
Among Fig. 1-5, touch the preceding clamping plate of anterior buffering energy-absorbing device 1 of the present invention when vehicle generation head-on crash, reach in collision impact power and to make composite material elastic element when distortion of buffering energy-absorbing device 1, this composite material elastic element generation elastic deformation, the beginning accumulation of energy also plays buffer action, and the viscosity damping in the composite material damping element begins to absorb and consume the collision impact energy simultaneously.If at this moment collision impact finishes, the composite material elastic element of buffering energy-absorbing device 1 will restore to the original state, and the collision impact expenditure of energy is in the composite material damping element of buffering energy-absorbing device 1; When collision impact power bigger, composite material elastic element elastic deformation in the buffering energy-absorbing device 1 continues to increase, the further accumulation of energy of elastic element also plays buffer action, distortion reaches and makes when wherein between the steel rope rope strand slippage taking place, dry-friction damping between rope strand begins a large amount of the absorption and consumption collision impact energy, viscosity damping, dry-friction damping and high order damping begin a large amount of absorb and consume the collision impact energy simultaneously, at this moment buffering energy-absorbing device 1 greatly slowly-releasing the infringement that causes of collision impact.If at this moment collision impact progressively finishes in power consumption, the collision impact expenditure of energy is in the composite material damping element of buffering energy-absorbing device 1, and the composite material elastic element of buffering energy-absorbing device 1 will restore to the original state; If collision impact power is very big, the distortion of the composite material elastic element of buffering energy-absorbing device 1 continues to increase, distortion reaches and makes the slippage that wherein takes place between the steel rope rope strand continue to increase when reaching capacity deformation position, residue collision impact power passes to rear portion buffering energy-absorbing device 5 and plastic deformation energy absorber 3 by crossbeam 2, rear portion buffering energy-absorbing device 5 is with buffering energy-absorbing device 1 same principle and process when having the tubular thin type structure a large amount of absorptions of 8 generation plastic deformation of special variable section shape and consume the collision impact energy in plastic deformation energy absorber 3, and buffering also consumes the collision impact energy with a large amount of absorptions.When collision impact finishes, plastic deformation energy absorber 3 can not restore to the original state after generation plastic deformation again, and the distortion of the composite material elastic element in the rear portion buffering energy-absorbing device 5 can not restore to the original state fully.This process is alleviated injury and the destruction that vehicle collision causes occupant and vehicle arrangement widely.
The invention has the beneficial effects as follows, by the buffering energy-absorbing of the orderly distortion formation of composite material energy absorbing structure for buffering automobile collision Process, most collision impact energy are absorbed and consume in this composite material energy absorbing structure for buffering automobile collision, effectively Protected occupant's life security and the safety at other position of vehicle, effective; Have simultaneously good installation capability, simple in structure, Attractive in appearance, cost is low, can be installed in front and the afterbody of automobile, and the utilization scope is wide, is applicable to all kinds of buffering automobile collision energy-absorbings.
Claims (3)
1. energy absorbing structure for buffering automobile collision, comprise crossbeam (2), longeron (4), it is characterized in that: be connected with anterior buffering energy-absorbing device (1) in crossbeam (2) front side, anterior buffering energy-absorbing device (1) number and installation site can be determined according to the difference of vehicle, when installing one, are installed in the middle part of crossbeam (2) front side, when installing two, be installed in the two ends of crossbeam (2) front side, when installing three, be installed in the middle part and the two ends thereof of crossbeam (2) front side; Forwardly buffering energy-absorbing device (1) outside is installed cover panel again; Longeron (4) front end links plastic deformation energy absorber (3), and plastic deformation energy absorber (3) the inside is connected in parallel to rear portion buffering energy-absorbing device (5), and plastic deformation energy absorber (3) one ends are welded on crossbeam (2) rear side, and the other end and longeron (4) are welded to connect.
2. energy absorbing structure for buffering automobile collision according to claim 1, it is characterized in that: the elastic element and the damping element of anterior buffering energy-absorbing device (1) and rear portion buffering energy-absorbing device (5) are made by composite material (6), composite material (6) is composited by rubber and steel rope, composite material (6) and up and down clamping plate (7) constitute buffering energy-absorbing device primary element; Anterior buffering energy-absorbing device (1) comprises the clamping plate up and down (7) of two arcs, its radian size matches with the radian of crossbeam (2), the clamping plate up and down (7) of rear portion buffering energy-absorbing device (5) is straight plate, match with plastic deformation energy absorber (3) and longeron (4) respectively, composite material (6) is turning to helix or annular arrangement or the ellipsoidal structure with different parameters between clamping plate (7) up and down, to adapt to different automobile types, connect with card article and sunk serew between clamping plate (7) up and down.
3. energy absorbing structure for buffering automobile collision according to claim 1 and 2 is characterized in that plastic deformation energy absorber (3) is made of the tubular thin type structure (8) that sheet steel or composite material forming become to have special variable section shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100950226A CN100480102C (en) | 2006-08-10 | 2006-08-10 | Composite material energy absorbing structure for buffering automobile collision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100950226A CN100480102C (en) | 2006-08-10 | 2006-08-10 | Composite material energy absorbing structure for buffering automobile collision |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1903614A true CN1903614A (en) | 2007-01-31 |
| CN100480102C CN100480102C (en) | 2009-04-22 |
Family
ID=37673029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100950226A Expired - Fee Related CN100480102C (en) | 2006-08-10 | 2006-08-10 | Composite material energy absorbing structure for buffering automobile collision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100480102C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555962A (en) * | 2012-01-13 | 2012-07-11 | 凌云工业股份有限公司 | Front anti-collision cross beam energy absorbing device of automobiles |
| CN102897122A (en) * | 2012-11-12 | 2013-01-30 | 上海第二工业大学 | Automobile bumper with elastic deformation and plastic deformation |
| CN103648849A (en) * | 2011-07-07 | 2014-03-19 | 丰田铁工株式会社 | Vehicle bumper reinforcement |
| CN104228726A (en) * | 2014-09-19 | 2014-12-24 | 湖南大学 | Modular automobile bumper energy absorber and design method thereof |
| CN104590175A (en) * | 2014-12-24 | 2015-05-06 | 芜湖市汽车产业技术研究院有限公司 | Carbon fiber energy-absorption collision-prevention device for car |
| CN106286686A (en) * | 2016-10-28 | 2017-01-04 | 合肥工业大学 | A kind of automotive self-adaptive collision energy-absorbing system |
| CN107826066A (en) * | 2017-11-30 | 2018-03-23 | 山东科技大学 | The system and automobile of cushioning automobile crash impulsive force |
| CN110194116A (en) * | 2019-05-29 | 2019-09-03 | 广州中国科学院工业技术研究院 | A kind of automotive composite material energy-absorbing module |
-
2006
- 2006-08-10 CN CNB2006100950226A patent/CN100480102C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103648849A (en) * | 2011-07-07 | 2014-03-19 | 丰田铁工株式会社 | Vehicle bumper reinforcement |
| CN103648849B (en) * | 2011-07-07 | 2017-06-09 | 丰田铁工株式会社 | Bumper reinforcement for vehicles |
| CN102555962A (en) * | 2012-01-13 | 2012-07-11 | 凌云工业股份有限公司 | Front anti-collision cross beam energy absorbing device of automobiles |
| CN102897122A (en) * | 2012-11-12 | 2013-01-30 | 上海第二工业大学 | Automobile bumper with elastic deformation and plastic deformation |
| CN102897122B (en) * | 2012-11-12 | 2015-05-13 | 上海第二工业大学 | Automobile bumper with elastic deformation and plastic deformation |
| CN104228726A (en) * | 2014-09-19 | 2014-12-24 | 湖南大学 | Modular automobile bumper energy absorber and design method thereof |
| CN104590175A (en) * | 2014-12-24 | 2015-05-06 | 芜湖市汽车产业技术研究院有限公司 | Carbon fiber energy-absorption collision-prevention device for car |
| CN106286686A (en) * | 2016-10-28 | 2017-01-04 | 合肥工业大学 | A kind of automotive self-adaptive collision energy-absorbing system |
| CN107826066A (en) * | 2017-11-30 | 2018-03-23 | 山东科技大学 | The system and automobile of cushioning automobile crash impulsive force |
| CN110194116A (en) * | 2019-05-29 | 2019-09-03 | 广州中国科学院工业技术研究院 | A kind of automotive composite material energy-absorbing module |
| CN110194116B (en) * | 2019-05-29 | 2022-02-15 | 广州中国科学院工业技术研究院 | Automobile composite material energy absorption module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100480102C (en) | 2009-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100480102C (en) | Composite material energy absorbing structure for buffering automobile collision | |
| CN201457275U (en) | Front anti-collision damping device of automobile | |
| CN202896488U (en) | Automobile collision damping device | |
| CN203637622U (en) | Energy absorption automobile seat | |
| CN102205822B (en) | Energy-absorbing type car bumper | |
| CN1296228C (en) | Anticollision device for automobile | |
| CN201597538U (en) | Vehicle anti-collision device and a vehicle comprising the anti-collision device | |
| CN103010132B (en) | A kind of buffer device for collision of automobile | |
| CN203126734U (en) | Automobile collision energy absorbing device | |
| CN2417076Y (en) | Bumper with means to absorb impact for automobiles | |
| CN2410185Y (en) | Energy-dissipating device for vehicle in collision | |
| CN100375689C (en) | Elastic collision buffer for automobile | |
| CN204488630U (en) | Motor vehicle headlamp assembly and the headlight module for power actuated vehicle | |
| CN101450644B (en) | Telescopic automobile bumper | |
| CN206306976U (en) | A kind of extension energy-storage type automobile front beam | |
| CN2592443Y (en) | Autmobile collision buffer protector | |
| DE102009021281A1 (en) | Bumper arrangement for motor vehicle, has bumper element movably arranged in vehicle longitudinal direction, and control device selectively transferring element into basic position and into drive position depending on speed of vehicle | |
| CN205632371U (en) | Automotive collision energy absorbing device | |
| CN201778296U (en) | Hydraulic road collision avoiding device | |
| CN103303230A (en) | Collision energy absorption mechanism of passenger car and passenger car using mechanism | |
| CN1222432C (en) | Screw-thread shearing car collision energy-absorbing device | |
| CN205573855U (en) | Automobile anti -collision device | |
| CN207916771U (en) | A kind of bumper | |
| CN203332017U (en) | Passenger car collision energy-absorption mechanism and passenger car using same | |
| CN202987038U (en) | Penetration prevention and energy absorption device for truck tail |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090422 Termination date: 20110810 |