CN2494297Y - Automobile collision simulation trolley - Google Patents
Automobile collision simulation trolley Download PDFInfo
- Publication number
- CN2494297Y CN2494297Y CN 01220116 CN01220116U CN2494297Y CN 2494297 Y CN2494297 Y CN 2494297Y CN 01220116 CN01220116 CN 01220116 CN 01220116 U CN01220116 U CN 01220116U CN 2494297 Y CN2494297 Y CN 2494297Y
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- energy absorbing
- energy
- absorbing tube
- trolley
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Abstract
The utility model relates to a trolley simulating the vehicle collision. When vehicles collide, the colliding rod of the energy absorbing device is driven and the energy absorbing part of the energy absorbing tube is pressed or expanded through the movement of the colliding rod so that the kinetic energy of the trolley is transferred into the energy needed to overcome the friction or the energy which can make the energy absorbing part pressed into the flat tube or expanded. As a result, the graph which can reflect the true dynamic performance accurately when vehicles collide and the structure and the arrangement mode of the energy absorbing device can be chosen according to the actual need so that the accuracy of the tests is improved. Furthermore, the trolley has better buffering performance, and is simple in structure, low in costs as well.
Description
The utility model relates to the trolley for simulating car collision that vehicle is carried out security study, test and check usefulness.
For the safety performance that increases vehicle and the intensity, stability etc. of the various facilities in the designing car the most reliably, before putting into production, the performance of reply vehicle is done dynamically test, the comprehensive strength at each test position and the comprehensive retentivity that impacts when colliding to estimate the place ahead, this test are to finish by the simulation experiment method of the speed of reproducing deceleration/decel waveform when colliding and collision.In order to make the test results that obtains more accurate, use real vehicle in the test sometimes, but its cost is quite expensive, this is that this real vehicle has also just been scrapped substantially because after finishing test; Method commonly used is to adopt the simulated crash chassis, the devices such as safety strap, air bag and seat of setup test are separately fixed on the chassis, sensor installation on the device of setup test replaces automobile to implement collision with chassis, thereby obtains the corresponding dynamic test images.But the performance graph that tests out with traditional chassis and relevant device all is the mono-curve, and the true dynamic property of each device to be measured had deviation when it showed with auto against.
The purpose of this utility model provides the dynamic characteristics of a kind of accurately testing automobile and interior equipment thereof, has good cushion characteristic, and is simple in structure, cost is low, the trolley for simulating car collision that can adjust according to actual needs.
A kind of trolley for simulating car collision described in the utility model comprises a chassis 1, and the front end of this chassis 1 is provided with the front cross rail 3 of fixed energies absorption plant, and above-mentioned energy absorbing device comprises energy absorber and guided bearing device.
Trolley for simulating car collision described in the utility model, described energy absorber is made of extruding die orifice 10 and at least one energy absorbing tube 11, wherein, above-mentioned extruding die orifice 10 forms on above-mentioned front cross rail 3, its quantity is corresponding with the quantity of energy absorbing tube 11, the height of this extruding die orifice 10 is slightly larger than the twice of the wall thickness of energy absorbing tube 11, and width is slightly larger than half of girth of energy absorbing tube 11; Energy absorbing tube 11 are made up of the targeting part 23 and the energy absorbing portion 24 of flattening, the targeting part 23 of described flattening passes above-mentioned extruding die orifice 10 and fixes with the guided bearing device of the post-tensioning energy absorption tube 11 that is hit, and described energy absorbing tube 11 have the deformation length L of the impact energy of enough absorption settings; Described guided bearing device comprises a pair of conduit 5, fix with described front cross rail 3 at certain intervals each other, two lances 6, pass above-mentioned conduit 5 abreast respectively, a connection piece 7 is fixing respectively with the end of two lances 6 that pass above-mentioned conduit 5, one coupling block 8 is fixed on the roughly midway location of attaching parts 7, is formed with the fork portion towards extruding die orifice 10 on this coupling block 8, and the targeting part 23 and the above-mentioned fork portion of the flattening of above-mentioned energy energy absorbing tube 11 are fixed; The other end of two lances 6 is fixed with cushion 13 respectively.
Trolley for simulating car collision described in the utility model, energy absorber 16 comprise lance 20 and energy absorbing tube 19; Wherein, lance 20 is grouped into by the thick bar partial sum thin rod part that fuses mutually, and the transition portion between thick bar partial sum thin rod part divides is frustum or billiard table; Described energy absorbing tube 19 are by forming with described thick bar guided bearing cover part 26 that partly cooperates and the energy absorbing portion 25 of holding described thin rod part branch, and the outside face of described frustum or billiard table matches with the inside face of energy absorbing tube 19 interior corresponding tapers or spill; The formation of described guided bearing device is: the end at above-mentioned guide 17 inner circumferential surfaces forms a groove 22, the flange portion flush fit of this groove 22 and above-mentioned energy absorbing tube 19 ends, the internal diameter that holds the described guide 17 of described energy absorbing portion 25 are equal to or greater than the twice sum of energy absorbing portion 25 wall thickness of the thick bar section diameter of described lance 20 and energy absorbing tube 19.
Trolley for simulating car collision described in the utility model is provided with two energy absorbing tube 11 in the energy absorbing device 4.
Trolley for simulating car collision described in the utility model is installed two above-mentioned energy absorbing devices 16 at least on front cross rail 3.
Trolley for simulating car collision described in the utility model, energy absorbing tube 19 are made by the aluminum alloy that is ductile.
Trolley for simulating car collision described in the utility model, the length of each lance 20 and diameter can be identical or different.
Trolley for simulating car collision described in the utility model is characterized in that: the length of described each energy absorbing tube, wall thickness, diameter and material can be identical or different.
Trolley for simulating car collision described in the utility model is installed the various sensors that satisfy different needs on chassis 1.
Trolley for simulating car collision described in the utility model, when bumping, promote the lance of energy absorbing device, the energy absorbing portion of energy absorbing tube is pushed or expand by the motion of lance, thus, the kinetic energy of chassis is converted into makes energy absorbing portion be squeezed into flat tube or make energy absorbing portion expand required energy and the required energy of overcome friction, thereby the figure of true dynamic property in the time of accessing accurate reflection collision, simultaneously, can select the structure and the arrangement of energy absorbing tube according to actual needs, thereby increase the accuracy of test.This chassis have preferably cushion characteristic, simple in structure, cost is low.
Description of drawings
Fig. 1 represents to be equipped with in the utility model the transparent view of an embodiment of the trolley for simulating car collision of energy absorbing device;
The scheme drawing of the partly cut-away of energy absorbing device in Fig. 2 presentation graphs 1;
The scheme drawing of the partly cut-away of another kind of energy absorbing device in Fig. 3 presentation graphs 1;
Fig. 4 represents the scheme drawing of the partly cut-away of the third energy absorbing device;
Fig. 5 represents that the third energy absorbing device is installed in the transparent view of the partly cut-away on the chassis.
As shown in Figure 1, chassis 1 can move along track 2.Two or more energy absorbing device 4 is installed on the front cross rail 3 of chassis 1, only expresses two among this figure, its quantity can be adjusted as required, and these energy absorbing devices 4 are distributed on the front cross rail 3 of chassis basically.
Fig. 2 expresses the concrete structure of an energy absorbing device 4 of installing on the chassis among Fig. 1.This energy absorbing device 4 comprises energy absorber and guided bearing device.Energy absorber is made of extruding die orifice 10 and at least one energy absorbing tube 11; wherein; extruding die orifice 10 forms on front cross rail 3; its quantity is corresponding with the quantity of energy absorbing tube 11; the height of these extruding die orifices 10 is slightly larger than the twice of the wall thickness of energy absorbing tube 11; width (direction that will enter paper in this figure is defined as Width) is slightly larger than the external diameter of energy absorbing tube 11; energy absorbing tube 11 are made up of the targeting part 23 and the energy absorbing portion 24 of flattening; between above-mentioned targeting part 23 and energy absorbing portion 24, be formed with the transition tapering part; the targeting part 23 of described flattening passes above-mentioned extruding die orifice 10 and fixes with the guided bearing device of the post-tensioning energy absorption tube 11 that is hit; in the side of extruding die orifice 10 towards energy absorbing portion 24; be formed with taper chamfered part with the transition portion equal angular of energy absorbing tube 11; so that energy absorbing tube 11 are introduced extruding die orifice 10; help protection extruding die orifice 10 simultaneously, prolong the service life of extruding die orifice 10.Energy absorbing tube 11 have the deformation length L of the impact energy of enough absorption settings.The structure of guided bearing device is: a pair of conduit 5, be passed in the hole that forms on the front cross rail 3 abreast respectively with certain intervals, for example utilizing, welding method is fixed on this on front cross rail 3 to conduit 5, these two conduits 5 can be the horizontal direction parallel settings, also can be that vertical direction be arranged in parallel; Two lances 6 pass above-mentioned conduit 5 abreast slidably respectively.A connection piece 7 utilizes orthodox methods such as for example screw connection, and is fixing respectively with the end of two lances 6 that pass above-mentioned conduit 5.One coupling block 8, utilize orthodox methods such as for example screw connection, fix with the roughly midway location of attaching parts 7, be formed with fork portion 9 on the roughly midway location of this coupling block 8 towards front cross rail 3, the targeting part 23 of the flattening of energy energy absorbing tube 11 inserts in the middle of the fork portions 9, for example utilizes method such as thru-bolt that the two is fixed.When plural energy absorbing tube 11 are housed in the energy absorber, can adopt the coupling block of any pattern, as long as can the targeting part 23 of energy absorbing tube is fixing with coupling block.Be fixed with the cushion 13 of buffer action at the free end of the lance 6 in front cross rail 3 outsides, played buffer action when lance 6 is bumped.
Shown in Figure 3 is the energy absorbing device of another kind of pattern.Its structure basically with the structural similitude of energy absorbing device shown in Figure 2, different is that energy absorbing tube 11 are increased to two, the structure of the coupling block 8 among coupling block 14 and Fig. 2 is also slightly different, an outshot 15 crossbeam 3 that reaches out is arranged on the coupling block 14, with outshot 15 cooresponding front cross rails 3 on, have the extruding die orifice 10 that two targeting parts 23 that make energy absorbing tube 11 pass through, these two spacings of pushing between the die orifice 10 are slightly larger than the width of outshot 15, make the targeting part of two energy absorbing tube 11 pass extruding respectively during die orifice 10, just in time be positioned at two sides of outshot 15, thereby, can utilize bolt 12 targeting part of energy absorbing tube to be fixed on the both sides of outshot 15.
To the Fig. 2 that is equipped with shown in Figure 1, the chassis of the energy absorbing device shown in 3, when chassis hits the used barrier of test, lance 6 at first touches barrier, because barrier weighs more than 70 tons, lance is blocked on the barrier, and chassis also moves forward, the energy absorbing portion 24 of the coupling block 8 pulling energy absorbing tube 11 on the attaching parts 7 in chassis is by extruding die orifice 10, and make energy absorbing portion 24 become the targeting part 23 of flattening, thereby make chassis to energy absorbing tube 11 acting, the energy absorbing portion 24 that the kinetic energy that is about to chassis is converted into energy absorbing tube 11 is shrunk to required energy of flat targeting part and the required energy of overcome friction.
Fig. 4 represents and the third fixing energy absorbing device of front cross rail 3 that this energy absorbing device comprises energy absorber 16 and guided bearing device.Energy absorber 16 comprises lance 20 and energy absorbing tube 19; Wherein, lance 20 is grouped into by the thick bar partial sum thin rod part that fuses mutually, and the transition portion between thick bar partial sum thin rod part divides is frustum or billiard table; Energy absorbing tube 19 are by forming with thick bar guided bearing cover part 26 that partly cooperates and the energy absorbing portion 25 of holding the thin rod part branch, the end of guided bearing cover part 26 is formed with outward flange, the outside face of frustum or billiard table matches with the inside face of energy absorbing tube 19 interior corresponding tapers or spill, and energy absorbing tube 19 have the deformation length L of the impact energy of enough absorption settings.In the guided bearing device, the projection section of guide 17 is fixing with front cross rail 3 by screw 18, end at the inner circumferential surface of the flange of guide 17 forms a groove 22, the outer flange portions flush fit that the end of the guided bearing part 26 of this groove 22 and energy absorbing tube 19 forms, the external diameter of the other parts of these energy absorbing tube 19 is less than the internal diameter of guide 17, and the internal diameter of described guide 17 is equal to or greater than the twice sum of energy absorbing portion 25 wall thickness of the thick bar section diameter of described lance 20 and energy absorbing tube 19.Free end at lance 20 is fixed with the cushion 21 that plays buffer action, plays buffer action when lance 20 is bumped.
As shown in Figure 5, when chassis hits the used barrier of test, lance 20 is blocked on the barrier, and chassis moves forward, lance advances in energy absorbing tube 19, and energy absorbing tube 19 are expanded, thus make chassis to energy absorbing tube 19 actings, the Conversion of energy that is about to chassis is to make required energy and the required energy of overcome friction of energy absorbing tube 19 expansions.
According to different analogue test requirements, Fig. 2,3 with energy absorbing device shown in Figure 4 in length, wall thickness, the diameter of energy absorbing tube can be mutually the same or different; The material of energy absorbing tube 11 can be metallic materials such as iron, copper, aluminium; Energy absorbing tube 19 should be made by the material of the energy that is ductile, for example aluminum alloy; Layout to energy absorbing device, both can all adopt the energy absorbing device 16 of expansion fashion shown in Figure 4, also can all adopt the energy absorbing device 4 of the contraction mode shown in Fig. 2,3, perhaps the energy energy absorption device with two kinds of patterns is installed on the same chassis; Length, the diameter of the lance 7,20 on same chassis can be identical or inequality.
When measuring, can be placed on the real vehicle that to test on the chassis and detect; Also can be placed directly in the device of need such as safety strap, seat detection and dummy etc. and detect on the chassis, the sensor that will test various performances this moment is fixed on the appropriate location of chassis.
In the middle of test, the information that can arrive according to sensor is drawn out the dynamic property figure of detected device, thereby the detected parts of automobile is analyzed accurately, helps in time adjusting the performance of detected device, thus the safety performance of raising automobile.
Claims (9)
1. a trolley for simulating car collision comprises a chassis (1), it is characterized in that: the front end of chassis (1) is provided with the front cross rail (3) of fixed energies absorption plant (4,16), and above-mentioned energy absorbing device (4,16) comprises energy absorber and guided bearing device.
2. trolley for simulating car collision according to claim 1, described energy absorber is made of extruding die orifice (10) and at least one energy absorbing tube (11), wherein, above-mentioned extruding die orifice (10) is gone up at above-mentioned front cross rail (3) and is formed, its quantity is corresponding with the quantity of energy absorbing tube (11), the height of this extruding die orifice (10) is slightly larger than the twice of the wall thickness of energy absorbing tube (11), and width is slightly larger than half of girth of energy absorbing tube (11); Energy absorbing tube (11) are made up of the targeting part (23) and the energy absorbing portion (24) of flattening, the targeting part of described flattening (23) passes above-mentioned extruding die orifice (10) and fixes with the guided bearing device of the post-tensioning energy absorption tube (11) that is hit, and described energy absorbing tube (11) have the deformation length (L) of the impact energy of enough absorption settings; Described guided bearing device comprises a pair of conduit (5), fixing with described front cross rail (3) at certain intervals each other, two lances (6), pass above-mentioned conduit (5) abreast respectively, a connection piece (7) is fixing respectively with the end of two lances (6) that pass above-mentioned conduit (5), one coupling block (8) is fixed on the roughly midway location of attaching parts (7), be formed with the fork portion towards extruding die orifice (10) on this coupling block (8), the targeting part (23) of the flattening of above-mentioned energy energy absorbing tube (11) is fixed with above-mentioned fork portion; The other end of two lances (6) is fixed with cushion (13) respectively.
3. trolley for simulating car collision according to claim 1 is characterized in that: above-mentioned energy absorber (16) comprises lance (20) and energy absorbing tube (19); Wherein, lance (20) is grouped into by the thick bar partial sum thin rod part that fuses mutually, and the transition portion between thick bar partial sum thin rod part divides is frustum or billiard table; Described energy absorbing tube (19) are by the guided bearing cover part (26) that partly cooperates with described thick bar and hold the energy absorbing portion (25) that described thin rod part divides and form, and the outside face of described frustum or billiard table matches with the inside face of interior corresponding taper of energy absorbing tube (19) or spill; The formation of described guided bearing device is: the end at above-mentioned guide (17) inner circumferential surface forms a groove (22), the flange portion flush fit of this groove (22) and above-mentioned energy absorbing tube (19) end, the internal diameter that holds the described guide (17) of described energy absorbing portion (25) are equal to or greater than the twice sum of energy absorbing portion (25) wall thickness of the thick bar section diameter of described lance (20) and energy absorbing tube (19).
4. trolley for simulating car collision according to claim 2 is characterized in that: 2 energy absorbing tube (11) are set in the energy absorbing device (4).
5. trolley for simulating car collision according to claim 3 is characterized in that: two above-mentioned energy absorbing devices (16) are installed on front cross rail (3) at least.
6. trolley for simulating car collision according to claim 3 is characterized in that: energy absorbing tube (19) are made by the aluminum alloy that is ductile.
7. according to each described trolley for simulating car collision in the claim 3,5 and 6, it is characterized in that: the length and the diameter of each lance (20) can be identical or different.
8. according to each described trolley for simulating car collision among the claim 1-6, it is characterized in that: length, wall thickness, diameter and the material of described each energy absorbing tube (11,19) can be identical or different.
9. according to each described trolley for simulating car collision among the claim 1-6, it is characterized in that: go up at chassis (1) the various sensors that satisfy different needs are installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01220116 CN2494297Y (en) | 2001-04-23 | 2001-04-23 | Automobile collision simulation trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01220116 CN2494297Y (en) | 2001-04-23 | 2001-04-23 | Automobile collision simulation trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2494297Y true CN2494297Y (en) | 2002-06-05 |
Family
ID=33637781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01220116 Expired - Fee Related CN2494297Y (en) | 2001-04-23 | 2001-04-23 | Automobile collision simulation trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2494297Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103299172A (en) * | 2011-01-12 | 2013-09-11 | 丰田自动车株式会社 | Collision test apparatus, vehicle design method, and vehicle |
| CN108168905A (en) * | 2017-12-26 | 2018-06-15 | 重庆旭乾通机械制造有限公司 | A kind of trolley test specimen protective device |
-
2001
- 2001-04-23 CN CN 01220116 patent/CN2494297Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103299172A (en) * | 2011-01-12 | 2013-09-11 | 丰田自动车株式会社 | Collision test apparatus, vehicle design method, and vehicle |
| CN103299172B (en) * | 2011-01-12 | 2016-01-06 | 丰田自动车株式会社 | Crash tests equipment, Car design method and vehicle |
| CN108168905A (en) * | 2017-12-26 | 2018-06-15 | 重庆旭乾通机械制造有限公司 | A kind of trolley test specimen protective device |
| CN108168905B (en) * | 2017-12-26 | 2020-08-28 | 重庆旭乾通机械制造有限公司 | Trolley test piece protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |