CN103344407A - Energy absorption device - Google Patents
Energy absorption device Download PDFInfo
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- CN103344407A CN103344407A CN2013102782333A CN201310278233A CN103344407A CN 103344407 A CN103344407 A CN 103344407A CN 2013102782333 A CN2013102782333 A CN 2013102782333A CN 201310278233 A CN201310278233 A CN 201310278233A CN 103344407 A CN103344407 A CN 103344407A
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- energy absorption
- piston rod
- absorption device
- cylinder barrel
- elastic component
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Abstract
Provided is an energy absorption device. The energy absorption device comprises a compression assembly, an elastic part and a fixing base. The compression assembly comprises a cylinder barrel and a piston rod. The cylinder barrel is fixed on the fixing base and filled with buffers. One end of the piston rod is matched with the cylinder barrel, and the other end of the piston rod is used for bearing strike. The elastic part is clamped between the other end of the piston rod and the cylinder barrel. According to the energy absorption device, the piston rod compresses the buffers inside the cylinder barrel for absorbing energy, the elastic part deforms and absorbs the energy, so that two energy absorption ways are adopted and work at the same time, and the better energy absorption effect is achieved.
Description
Technical field
The invention relates to a kind of energy absorption device, particularly hit the energy absorption device of obstacle about a kind of side post of automobile.
Background technology
Have a kind of side post to hit experiment in EURO NCAP (the safe criticism of European new car association) standard, the vehicular sideview during simulation is travelled strikes the accident of cylinder.The roughly test method of this experiment type is placed on the flight plate on request for testing vehicle, by the related flight plate bump of trailer system cylinder obstacle, finishes experiment.Because flight plate quality is big, add the quality of test vehicle, when the bump obstacle, can produce huge kinetic energy, obstacle is impacted.
Summary of the invention
In view of this, the object of the invention is to provide a kind of energy absorption device, realizes reducing the purpose that obstacle is impacted.
For reaching above-mentioned purpose, the invention provides a kind of energy absorption device, it comprises compression assembly, elastic component and holder, described compression assembly comprises cylinder barrel and piston rod, described cylinder barrel is fixed on the described holder, and described cylinder barrel is filled out and is provided with cushion, and described piston rod one end matches with described cylinder barrel, the other end of described piston rod is used for bearing bump, and described elastic component is located between the other end and described cylinder barrel of described piston rod.
According to one embodiment of present invention, described compression assembly is hydraulic cylinder or cylinder.
According to one embodiment of present invention, the other end of described piston rod is fixed a crash panel, described crash panel comprises first card and second card that is oppositely arranged, and described first card is fixedlyed connected with the other end of described piston rod, and described second card is used for bearing bump.
According to one embodiment of present invention, described crash panel is the disk coaxial with described piston rod.
According to one embodiment of present invention, described elastic component is sheathed on the described piston rod, and the two ends of described elastic component are resisted against edge and the described crash panel of described cylinder barrel respectively.
According to one embodiment of present invention, described elastic component is spiral cylinder spring.
According to one embodiment of present invention, described elastic component is the annular cover that rubber sleeve or a plurality of shell fragment surround.
According to one embodiment of present invention, described holder comprises base plate and fixture, and described fixture comprises a plurality of bolts and a plurality of slide block, and described a plurality of bolts are through at around the described base plate, and described a plurality of slide blocks are bolted on described a plurality of bolt correspondingly.
According to one embodiment of present invention, described base plate is the rectangular plate-like structure, and the quantity of described bolt is four, and described four bolts are through at four angles of described base plate.
According to one embodiment of present invention, described holder comprises base plate and fixture, and described fixture is slide block or the chute that directly is formed on the described base plate.
Energy absorption device of the present invention compresses cushion energy-absorbing in the described cylinder barrel by described piston rod, and described elastic component produces distortion simultaneously and carries out energy-absorbing, thereby realizes taking two kinds of energy-absorbing modes to work simultaneously, obtains bigger energy-absorbing effect.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Figure 1 shows that the structural representation of energy absorption device provided by the invention.
Figure 2 shows that the synoptic diagram at another visual angle of the energy absorption device of Fig. 1.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, embodiment, structure, feature and the effect thereof of the energy absorption device that foundation the present invention is proposed, describe in detail as after.
See also Fig. 1 and Fig. 2, energy absorption device 100 of the present invention comprises compression assembly 10, elastic component 20 and holder 30.Described compression assembly 10 comprises cylinder barrel 11 and piston rod 12.Described cylinder barrel 11 is fixed on the described holder 30.Described cylinder barrel 11 is filled out and is provided with cushion, and described cushion is the medium that available buffer puts on compression assembly 10 upward pressures, is not limited in liquid or gas, and it also can be the object of tool shock-absorbing capacities such as spring, rubber.One end 12a of described piston rod 12 matches with described cylinder barrel 11, and the other end 12b of described piston rod 12 is used for bearing the bump of flight plate (not shown), and described elastic component 20 is located between the other end 12b and described cylinder barrel 11 of described piston rod 12.
In the present embodiment, described compression assembly 10 is hydraulic cylinder.Certainly, in other embodiments, described compression assembly 10 also can be cylinder.Described cylinder barrel 11 is cylindric, and described cushion is pressure oil.Described piston rod 12 is cylindric, and an end 12a of described piston rod 12 slides in described cylinder barrel 11 by piston (not shown).The other end 12b of described piston rod 12 fixes a crash panel 40.Described crash panel 40 is the disk coaxial with described piston rod 12.Described crash panel 40 comprises first card 41 and second card 42 that is oppositely arranged.Described first card 41 is fixedlyed connected with the other end 12b of described piston rod 12.Described second card 42 is as the striking face that is used for meeting head-on the flight plate.Certainly, in other embodiments, described crash panel 40 can be by the other end 12b straight forming of described piston rod 12.When described crash panel 40 was subjected to flying the bump of plate, the pressure oil energy-absorbing in the described cylinder barrel 11 of described piston rod 12 compressions was alleviated the effect of impacting thereby play.
Described elastic component 20 is spiral cylinder spring, and described elastic component 20 is sheathed on the described piston rod 12, and the two ends 21,22 of described elastic component 20 are resisted against edge 11a and the described crash panel 40 of described cylinder barrel 11 respectively.When described crash panel 40 was subjected to flying the bump of plate, described piston rod 12 pressurizeds shrank, and described elastic component 20 is produced distortion and carries out energy-absorbing by described crash panel 40 compressions.Thereby realize that two kinds of energy-absorbing modes work simultaneously, obtain bigger energy-absorbing effect.Simultaneously, owing to described elastic component 20 is sheathed on the described piston rod 12, thus easy for installation, save the space.Certainly, in other embodiments, described elastic component 20 also can be the annular cover that the volute spring of other shapes or rubber sleeve or a plurality of shell fragment surround.
Described holder 30 comprises base plate 31 and fixture 32.Described base plate 31 is rectangular plate-like structures.Certainly, in other embodiments, described holder 30 also can adopt disk, regular polygon platy structure or other shapes.Described fixture 32 comprises four bolt 32a and four slide block 32b.Described four bolt 32a are through at 31 4 angles of described base plate.Described each slide block 32b is bolted in respectively on described each bolt 32a.Described slide block 32b can slide and be arranged at obstacle surface metal wall (not shown)
In the type groove, thereby regulate described slide block 32b in position, the obstacle surface metal wall left and right sides.Certainly, in other embodiments, the quantity of described bolt 32a and slide block 32b can increase or reduce as required.Described fixture 32 also can be slide block or the chute that directly is formed on the described base plate 31.When described fixture 32 was chute, the corresponding described chute in described obstacle surface was set to slide block or slide rail, and described chute can be dovetail groove or dovetail slide rail.Energy absorption device 100 can be installed on the obstacle surface metal wall or the position of adjustment energy absorption device 100 on metal wall by described fixture 32.
Carrying out before the side post hits experiment, measure the relative position between flight plate and the obstacle (not shown), described fixture 32 is placed in the groove of obstacle surface metal wall, regulate described fixture 32 in the position, the left and right sides of obstacle surface metal wall, then by screwing mode that outstanding position that bolt 32a makes slide block 32b and metal wall slot opening place leans or by the fixing described energy absorption device 100 of modes such as other slide blocks or lock-screw.In order to strengthen energy-absorbing effect, two to three described energy absorption devices 100 can be installed in the sustained height position.
During experiment; behind test vehicle (not shown) the bump cylinder obstacle (not shown) on the flight plate; second card 42 that the flight plate clashes into described crash panel 40; described crash panel 40 promotes described piston rod 12 and shrinks; described elastic component 20 deformation energy-absorbings when described piston rod 12 shrinks; thereby reduce to fly plate kinetic energy, guard column body wall barrier.
In sum, energy absorption device 100 of the present invention is by the cushion energy-absorbing in the described cylinder barrel 11 of described piston rod 12 compressions, and described elastic component 20 produces distortion simultaneously and carries out energy-absorbing, thereby realizes taking two kinds of energy-absorbing modes to work simultaneously, obtains bigger energy-absorbing effect.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solution of the present invention content, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (10)
1. an energy absorption device (100), it comprises compression assembly (10), elastic component (20) and holder (30), described compression assembly (10) comprises cylinder barrel (11) and piston rod (12), described cylinder barrel (11) is fixed on the described holder (30), fill out in the described cylinder barrel (11) and be provided with cushion, described piston rod (12) one ends (12a) match with described cylinder barrel (11), the other end (12b) of described piston rod (12) is used for bearing bump, and described elastic component (20) is located between the other end (12b) and described cylinder barrel (11) of described piston rod (12).
2. energy absorption device as claimed in claim 1, it is characterized in that: described compression assembly (10) is hydraulic cylinder or cylinder.
3. energy absorption device as claimed in claim 1, it is characterized in that: the other end (12b) of described piston rod (12) is fixed a crash panel (40), described crash panel (40) comprises first card (41) and second card (42) that is oppositely arranged, described first card (41) is fixedlyed connected with the other end (12b) of described piston rod (12), and described second card (42) is used for bearing bump.
4. energy absorption device as claimed in claim 3, it is characterized in that: described crash panel (40) is the disk coaxial with described piston rod (12).
5. energy absorption device as claimed in claim 3, it is characterized in that: described elastic component (20) is sheathed on the described piston rod (12), and the two ends of described elastic component (20) (21,22) are resisted against edge (11a) and the described crash panel (40) of described cylinder barrel (11) respectively.
6. energy absorption device as claimed in claim 5, it is characterized in that: described elastic component (20) is spiral cylinder spring.
7. energy absorption device as claimed in claim 1, it is characterized in that: described elastic component (20) is the annular cover that rubber sleeve or a plurality of shell fragment surround.
8. energy absorption device as claimed in claim 1, it is characterized in that: described holder (30) comprises base plate (31) and fixture (32), described fixture (32) comprises a plurality of bolts (32a) and a plurality of slide block (32b), described a plurality of bolt (32a) is through at described base plate (31) all around, and described a plurality of slide blocks (32b) are bolted on described a plurality of bolt (32a) correspondingly.
9. energy absorption device as claimed in claim 8, it is characterized in that: described base plate (31) is the rectangular plate-like structure, and the quantity of described bolt (32a) is four, and described four bolts (32a) are through at (31) four angles of described base plate.
10. energy absorption device as claimed in claim 1, it is characterized in that: described holder (30) comprises base plate (31) and fixture (32), described fixture (32) is slide block or the chute that directly is formed on the described base plate (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102782333A CN103344407A (en) | 2013-07-02 | 2013-07-02 | Energy absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102782333A CN103344407A (en) | 2013-07-02 | 2013-07-02 | Energy absorption device |
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| CN103344407A true CN103344407A (en) | 2013-10-09 |
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| CN2013102782333A Pending CN103344407A (en) | 2013-07-02 | 2013-07-02 | Energy absorption device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654202A (en) * | 2013-11-18 | 2015-05-27 | 海洋王（东莞）照明科技有限公司 | Simple damping lamp bracket and lamp |
| CN105823678A (en) * | 2016-06-08 | 2016-08-03 | 合肥工业大学 | Hopkinson pressure bar damper |
| CN111044350A (en) * | 2019-12-13 | 2020-04-21 | 辽宁工程技术大学 | Rigid impact protection device is prevented to impact test platform |
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| KR100199805B1 (en) * | 1996-10-17 | 1999-06-15 | 정몽규 | Shock absorbing and distributing device of vehicle |
| JP2000171344A (en) * | 1998-12-07 | 2000-06-23 | Mitsubishi Heavy Ind Ltd | Shock testing device |
| CN102466570A (en) * | 2011-09-01 | 2012-05-23 | 浙江吉利汽车研究院有限公司 | Collision test device for protecting legs of pedestrian and use method thereof |
| CN202301724U (en) * | 2011-10-21 | 2012-07-04 | 浙江吉利汽车研究院有限公司 | Flying carpet damping device for pole impact test |
| CN202693249U (en) * | 2012-06-13 | 2013-01-23 | 浙江吉利汽车研究院有限公司杭州分公司 | Sliding table collision test device |
| CN202903446U (en) * | 2012-10-31 | 2013-04-24 | 浙江吉利汽车研究院有限公司杭州分公司 | Buffer device of flying board for vehicle side column collision |
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2013
- 2013-07-02 CN CN2013102782333A patent/CN103344407A/en active Pending
Patent Citations (6)
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|---|---|---|---|---|
| KR100199805B1 (en) * | 1996-10-17 | 1999-06-15 | 정몽규 | Shock absorbing and distributing device of vehicle |
| JP2000171344A (en) * | 1998-12-07 | 2000-06-23 | Mitsubishi Heavy Ind Ltd | Shock testing device |
| CN102466570A (en) * | 2011-09-01 | 2012-05-23 | 浙江吉利汽车研究院有限公司 | Collision test device for protecting legs of pedestrian and use method thereof |
| CN202301724U (en) * | 2011-10-21 | 2012-07-04 | 浙江吉利汽车研究院有限公司 | Flying carpet damping device for pole impact test |
| CN202693249U (en) * | 2012-06-13 | 2013-01-23 | 浙江吉利汽车研究院有限公司杭州分公司 | Sliding table collision test device |
| CN202903446U (en) * | 2012-10-31 | 2013-04-24 | 浙江吉利汽车研究院有限公司杭州分公司 | Buffer device of flying board for vehicle side column collision |
Non-Patent Citations (2)
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| 常明 主编: "《汽车底盘构造》", 31 May 2012 * |
| 铁路职工岗位培训教材编审委员会: "《大型线路机械司机（捣固车基本知识部分）》", 30 April 2011 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654202A (en) * | 2013-11-18 | 2015-05-27 | 海洋王（东莞）照明科技有限公司 | Simple damping lamp bracket and lamp |
| CN105823678A (en) * | 2016-06-08 | 2016-08-03 | 合肥工业大学 | Hopkinson pressure bar damper |
| CN111044350A (en) * | 2019-12-13 | 2020-04-21 | 辽宁工程技术大学 | Rigid impact protection device is prevented to impact test platform |
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Application publication date: 20131009 |