CN104724018A - Automobile anti-collision beam structure and automobile - Google Patents
Automobile anti-collision beam structure and automobile Download PDFInfo
- Publication number
- CN104724018A CN104724018A CN201510076507.XA CN201510076507A CN104724018A CN 104724018 A CN104724018 A CN 104724018A CN 201510076507 A CN201510076507 A CN 201510076507A CN 104724018 A CN104724018 A CN 104724018A
- Authority
- CN
- China
- Prior art keywords
- automobile
- collision
- crossbeam
- cross beam
- girder construction
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R19/22—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact containing mainly cellular material, e.g. solid foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R2019/1806—Structural beams therefor, e.g. shock-absorbing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R2019/186—Additional energy absorbing means supported on bumber beams, e.g. cellular structures or material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R2019/264—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means using cellular structures
Abstract
The invention provides an automobile anti-collision beam structure and an automobile. The automobile anti-collision beam structure comprises a cross beam and a rear-mounted plate arranged behind the cross beam, the cross beam is installed on a front longitudinal beam through energy absorption boxes symmetrically arranged at the two sides of the cross beam, the cross beam and the rear-mounted plate are hollow pipe parts, and the cross beam and the rear-mounted plate are filled with porous parts. By means of the automobile anti-collision beam structure, the flexural rigidity of the cross beam can be enhanced, so that more collision force is transmitted to the energy absorption boxes and the front longitudinal beam along the cross beam, and meanwhile the energy absorption effect of an anti-collision beam is increased as a result of honeycomb structures arranged inside the automobile anti-collision beam structure; the contact area between each energy absorption box and the cross beam is increased, the force transmission path is guaranteed, and the collision absorption capability is great.
Description
Technical field
The present invention relates to automobile interior exterior decorations technical field, refer to a kind of lightweight especially and automobile collision preventing girder construction and the vehicle of impact property and collision performance can be improved.
Background technology
Along with the continuous increase of automobile pollution, the improving constantly of the speed of a motor vehicle, the situation is tense for traffic accident and personal casualty.The performance improving automobile front anti-collision beam can improve the passive security performance of automobile in collision process.Front anti-collision beam is in the market all single cross sectional shape, and the anti-collision beam being filled with cellular material will have stronger buffering and energy absorption ability.Longitudinal cellular material of filling in energy-absorption box can increase the bang path ensureing power with the area of contact of longeron.
Aerated materials because of its stiffness-to-density ratio, strength-to-density ratio is high and be constantly applied in the high-tech areas such as aerospace, wherein cellular material be mechanical property better, application comparatively extensively, one of aerated materials that production technology is more ripe.Cellular material is the favous shape of class, and each honeycomb hole is regular hexagon, and honeycomb core is interconnected, so structure quite stable in whole panel, being both not easy to occur bending and deformation also is not easy to occur fail in shear.
Along with the fast development of auto-industry, auto manufacturing's light towards quality, low oil consumption, the trend development that low in the pollution of the environment, safety is high, and reached the common recognition manufacturing low cost automobile, propose the design concept of high-strength light automobile for this reason.Cellular material is that strength-to-density ratio, stiffness-to-density ratio are high, and lightweight, heat insulation new material, the places such as engine case, vehicle frame bumper/spoiler, vehicle body anti-collision facility, car door, seat are widely used in, the use of cellular material significantly reduces tare, improves shock resistance and the crashworthiness of vehicle body.
Front anticollision beam of automobile is the main security component when automobile generation head-on crash, occupant and car body being formed to protective effect; the structure design of front anti-collision beam the most important thing is to consider its safety performance, and the automobile collision preventing girder construction of prior art is difficult to obtain good balance in the design of lightweight and crashworthiness.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of automobile collision preventing girder construction and vehicle, to solve the problem that in prior art, automobile buffer beam design is unreasonable and intensity is not high.
For solving the problems of the technologies described above, embodiments of the invention provide a kind of automobile collision preventing girder construction, comprise a crossbeam and be located at the rearmounted plate at described crossbeam rear, described crossbeam is installed on front side member by the energy-absorption box being symmetrically set in described crossbeam both sides, described crossbeam and rearmounted plate are hollow pipe fitting, and the inside of described crossbeam and rearmounted plate is filled with porous member.
Wherein, the aluminum interlayer of the honeycomb structure laterally run through is provided with in described crossbeam.
Wherein, the aluminum cellular material longitudinally arranged is provided with in described energy-absorption box.
Wherein, described porous member is cellular.
Wherein, the thickness of described rearmounted plate medium position is greater than both ends.
Wherein, described rearmounted plate is by the structural thickness change employing rounding off of medium position to both ends.
For solving the problems of the technologies described above, embodiments of the invention also provide a kind of vehicle, comprise automobile collision preventing girder construction as above.
The beneficial effect of technique scheme of the present invention is as follows:
In such scheme, automobile collision preventing girder construction of the present invention can strengthen the bending stiffness of crossbeam thus make more impact force be delivered on energy-absorption box and front side member along crossbeam, and inner honeycomb structure of filling adds the energy-absorbing effect of collision prevention girders simultaneously; Increase energy-absorption box and cross beam contacting surface amass the bang path of guarantee power, absorb collision energy strong.
Accompanying drawing explanation
Fig. 1 is the structural representation of the automobile collision preventing girder construction of the embodiment of the present invention;
Fig. 2 is the structural representation of cellular porous of regular hexagon in the automobile collision preventing girder construction of the embodiment of the present invention;
Fig. 3 is deformability load curve and the energy absorbing efficiency-strain curve figure of cellular porous of the automobile collision preventing girder construction of the embodiment of the present invention;
Fig. 4 is the partial enlarged drawing of the embodiment of the present invention;
Fig. 5 is the scantling of structure figure mono-of the crossbeam of the embodiment of the present invention;
Fig. 6 is the scantling of structure figure bis-of the crossbeam of the embodiment of the present invention;
Fig. 7 is the scantling of structure figure tri-of the crossbeam of the embodiment of the present invention.
[main element nomenclature]
1-1: crossbeam;
1-2: the aluminum interlayer laterally running through the honeycomb structure of crossbeam;
2-1: energy-absorption box;
2-2: the aluminum cellular material longitudinally arranged;
3-1: adapter plate;
4-1: rearmounted plate.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The present invention is directed to the problem that in prior art, automobile buffer beam design is unreasonable and intensity is not high, a kind of automobile collision preventing girder construction and vehicle are provided.
As shown in Figure 1, a kind of automobile collision preventing girder construction that the embodiment of the present invention provides, comprise a crossbeam 1-1 and be located at the rearmounted plate 4-1 at described crossbeam 1-1 rear, described crossbeam 1-1 is installed on front side member (not shown) by the energy-absorption box 2-1 being symmetrically set in described crossbeam 1-1 both sides, described energy-absorption box 2-1 rear is provided with adapter plate 3-1, described crossbeam 1-1 and rearmounted plate 4-1 is hollow pipe fitting, the inside of described crossbeam 1-1 and rearmounted plate 4-1 is filled with porous member, and described porous member is cellular.
Equal-effective mechanic behavior due to cellular aerated materials is different from continuous medium material, and it affects obviously by dimensional effect.Foreign scholar's research shows, minimum more than 7 times of should be cell size of sample dimensions, just can avoid test specimen edge effect on the impact of the mechanical property parameters such as Young's modulus and yield strength; Under quasistatic condition, if when specimen thickness is greater than 5 with the ratio in aperture, then the dimensional effect of testing can be ignored.As the size of Standard Selection honeycomb structure.
Cellular material size: each hilum of cellular material is regular hexagon, structurally has symmetry, and hilum is individual layer cell wall.As shown in Figure 2, the thick t of honeycomb unit cell hole wall is 0.08 ± 0.02mm, length of side D is 2.5 ± 0.5mm, and inscribed circle diameter is d, individual layer hilum and X
2the angle in direction is θ.
As shown in Figure 3, when carrying out compression experiment, hilum local stress exceedes yield strength, and initial plastic flexing appears in honeycomb surface of test piece.Along with the hilum partial drape that carries out of compression successively increases progressively.Namely honeycomb test specimen is out of shape with fixing fold wavelength generation plastic buckling, and hilum is fold successively, and its form of distortion shows that its energy absorption ability is strong.
Honeycomb structure is quite stable in whole panel, has both been not easy to occur bending and deformation also to be not easy to occur fail in shear.The automobile buffer beam with honeycomb structure provides one can ensure energy-absorbing effect, can provide a good Path of Force Transfer-from collision prevention girders to front side member again.
Further, described crossbeam 1-1 rear is provided with rearmounted plate 4-1, and the thickness of described rearmounted plate 4-1 medium position is greater than both ends.Described rearmounted plate 4-1 is by the structural thickness change employing rounding off of medium position to both ends.Rearmounted plate 4-1 structure design small in ends broad in the middle is more conducive to the length direction of impact force along rearmounted plate 4-1 to transmit to both sides, makes more impact force can be delivered to energy-absorption box 2-1.
Further, as shown in Figure 4, the aluminum cellular material 2-2 that the present invention includes crossbeam 1-1, laterally run through the aluminum interlayer 1-2 of the honeycomb structure of crossbeam, be symmetricly set on the energy-absorption box 2-1 of crossbeam 1-1 side and longitudinally arrange in it.Described crossbeam 1-1 and the horizontal aluminum interlayer 1-2 running through the honeycomb structure of crossbeam can strengthen bending stiffness, resistance to shear, the Impact Resisting Capability of crossbeam; The cellular structural material that described energy-absorption box 2-1 inside is filled adds the energy absorption ability of collision prevention girders, increases described energy-absorption box 2-1 and crossbeam 1-1 area of contact, ensures the bang path of power.
The automobile collision preventing girder construction of above-mentioned honeycomb structure, as shown in Figure 4, described energy-absorption box size, short transverse is of a size of 100 ± 20mm to the structure of energy-absorption box 2-1, and longitudinal length is 100 ± 20mm, and transverse width is 65 ± 10mm.
The automobile collision preventing crossbeam of above-mentioned honeycomb structure, as shown in Figures 5 to 7, described crossbeam is of a size of, and the longitudinal length A of crossbeam is 900 ± 300mm, and the height B of crossbeam is 100 ± 20mm, and the thickness E of crossbeam is 25 ± 5mm.
For solving the problems of the technologies described above, embodiments of the invention also provide a kind of vehicle, comprise automobile collision preventing girder construction as above.
Automobile collision preventing girder construction of the present invention can strengthen the bending stiffness of crossbeam thus make more impact force be delivered on energy-absorption box and front side member along crossbeam, and inner honeycomb structure of filling adds the energy-absorbing effect of collision prevention girders simultaneously; Increase energy-absorption box and cross beam contacting surface amass the bang path of guarantee power, absorb collision energy strong.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. an automobile collision preventing girder construction, it is characterized in that, comprise a crossbeam and be located at the rearmounted plate at described crossbeam rear, described crossbeam is installed on front side member by the energy-absorption box being symmetrically set in described crossbeam both sides, described crossbeam and rearmounted plate are hollow pipe fitting, and the inside of described crossbeam and rearmounted plate is filled with porous member.
2. automobile collision preventing girder construction according to claim 1, is characterized in that, is provided with the aluminum interlayer of the honeycomb structure laterally run through in described crossbeam.
3. automobile collision preventing girder construction according to claim 1, is characterized in that, is provided with the aluminum cellular material longitudinally arranged in described energy-absorption box.
4. automobile collision preventing girder construction according to claim 1, is characterized in that, described porous member is cellular.
5. automobile collision preventing girder construction according to claim 4, is characterized in that, the thickness of described rearmounted plate medium position is greater than both ends.
6. automobile collision preventing girder construction according to claim 5, is characterized in that, described rearmounted plate is by the structural thickness change employing rounding off of medium position to both ends.
7. a vehicle, is characterized in that, comprises the automobile collision preventing girder construction according to any one of Claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510076507.XA CN104724018A (en) | 2015-02-13 | 2015-02-13 | Automobile anti-collision beam structure and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510076507.XA CN104724018A (en) | 2015-02-13 | 2015-02-13 | Automobile anti-collision beam structure and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104724018A true CN104724018A (en) | 2015-06-24 |
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ID=53448620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510076507.XA Pending CN104724018A (en) | 2015-02-13 | 2015-02-13 | Automobile anti-collision beam structure and automobile |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346487A (en) * | 2015-11-02 | 2016-02-24 | 重庆至信实业有限公司 | Front anti-collision beam structure for automobile |
| CN105857222A (en) * | 2016-03-25 | 2016-08-17 | 安徽国德新能源汽车有限公司 | Detachable electric vehicle anti-collision beam structure and mounting method thereof |
| CN106005019A (en) * | 2016-06-22 | 2016-10-12 | 华南理工大学 | Non-uniform filling type foamed aluminum energy absorption structure |
| CN106828381A (en) * | 2017-02-06 | 2017-06-13 | 大连理工大学 | A kind of multilevel security anticollision beam assembly based on multistable single cell structure |
| CN107082054A (en) * | 2017-05-13 | 2017-08-22 | 安徽省鸣新材料科技有限公司 | A kind of new automobile anti-collision structure of use foamed aluminium |
| CN107344539A (en) * | 2017-06-14 | 2017-11-14 | 浙江零跑科技有限公司 | A kind of automobile collision preventing girder construction based on Bionic Design |
| CN107985237A (en) * | 2017-12-22 | 2018-05-04 | 华侨大学 | Application on front crashproof beam structure for automobile and automobile |
| CN108263320A (en) * | 2018-01-31 | 2018-07-10 | 吉利汽车研究院（宁波）有限公司 | Energy-absorbing case assembly and anticollision device, collision-prevention device |
| CN108909663A (en) * | 2018-07-25 | 2018-11-30 | 吉林大学 | Vehicle and its bumper bar |
| CN109131178A (en) * | 2018-08-28 | 2019-01-04 | 华南理工大学 | A kind of novel front anticollision beam of automobile assembly |
| CN111605503A (en) * | 2020-04-14 | 2020-09-01 | 上海凌云工业科技有限公司凌云汽车技术分公司 | Automobile anti-collision protection component assembly and preparation method thereof |
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| CN103754184A (en) * | 2014-01-22 | 2014-04-30 | 南通南京大学材料工程技术研究院 | Automobile anti-collision beam provided with energy absorption buffer layer structure and made of carbon fiber composites |
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| CN204527083U (en) * | 2015-02-13 | 2015-08-05 | 苏州紫荆清远新能源汽车技术有限公司 | A kind of automobile collision preventing girder construction and vehicle |
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| JPH11255049A (en) * | 1998-03-10 | 1999-09-21 | Mazda Motor Corp | Bumper structure |
| EP1256490A2 (en) * | 2001-05-11 | 2002-11-13 | Benteler Automobiltechnik GmbH & Co. KG | Combination of a bumper and crashboxes |
| DE10226756A1 (en) * | 2002-06-14 | 2004-01-08 | Benteler Automobiltechnik Gmbh | Vehicle bumper has hollow chamber cross member with swages at end sections which are made of several separate longitudinal chambers for better energy absorption |
| JP2008030535A (en) * | 2006-07-26 | 2008-02-14 | Kobe Steel Ltd | Bumper beam of car body, and shock absorbing member for car body |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346487A (en) * | 2015-11-02 | 2016-02-24 | 重庆至信实业有限公司 | Front anti-collision beam structure for automobile |
| CN105857222A (en) * | 2016-03-25 | 2016-08-17 | 安徽国德新能源汽车有限公司 | Detachable electric vehicle anti-collision beam structure and mounting method thereof |
| CN106005019A (en) * | 2016-06-22 | 2016-10-12 | 华南理工大学 | Non-uniform filling type foamed aluminum energy absorption structure |
| CN106828381B (en) * | 2017-02-06 | 2019-07-16 | 大连理工大学 | A kind of multilevel security anticollision beam assembly based on multistable single cell structure |
| CN106828381A (en) * | 2017-02-06 | 2017-06-13 | 大连理工大学 | A kind of multilevel security anticollision beam assembly based on multistable single cell structure |
| CN107082054A (en) * | 2017-05-13 | 2017-08-22 | 安徽省鸣新材料科技有限公司 | A kind of new automobile anti-collision structure of use foamed aluminium |
| CN107344539A (en) * | 2017-06-14 | 2017-11-14 | 浙江零跑科技有限公司 | A kind of automobile collision preventing girder construction based on Bionic Design |
| CN107344539B (en) * | 2017-06-14 | 2019-08-23 | 浙江零跑科技有限公司 | A kind of automobile collision preventing girder construction based on Bionic Design |
| CN107985237A (en) * | 2017-12-22 | 2018-05-04 | 华侨大学 | Application on front crashproof beam structure for automobile and automobile |
| CN107985237B (en) * | 2017-12-22 | 2023-05-26 | 华侨大学 | Front anti-collision beam structure of automobile and application of front anti-collision beam structure to automobile |
| CN108263320A (en) * | 2018-01-31 | 2018-07-10 | 吉利汽车研究院（宁波）有限公司 | Energy-absorbing case assembly and anticollision device, collision-prevention device |
| CN108909663A (en) * | 2018-07-25 | 2018-11-30 | 吉林大学 | Vehicle and its bumper bar |
| CN109131178A (en) * | 2018-08-28 | 2019-01-04 | 华南理工大学 | A kind of novel front anticollision beam of automobile assembly |
| CN109131178B (en) * | 2018-08-28 | 2023-09-26 | 华南理工大学 | Novel front anti-collision beam assembly of automobile |
| CN111605503A (en) * | 2020-04-14 | 2020-09-01 | 上海凌云工业科技有限公司凌云汽车技术分公司 | Automobile anti-collision protection component assembly and preparation method thereof |
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