CN208420335U - A kind of trolley device reappearing automobile side impact - Google Patents
A kind of trolley device reappearing automobile side impact Download PDFInfo
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- CN208420335U CN208420335U CN201820989693.5U CN201820989693U CN208420335U CN 208420335 U CN208420335 U CN 208420335U CN 201820989693 U CN201820989693 U CN 201820989693U CN 208420335 U CN208420335 U CN 208420335U
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Abstract
The utility model discloses a kind of trolley device for reappearing automobile side impact, including obstacle system, buffer system and table system, the table system includes side wall, the side wall left end can release formula with the obstacle system right end and offset, the buffer system left end is fixedly connected on the obstacle system right end, and the buffer system right end can release formula with the table system left end and offset.A kind of trolley device structure of reproduction automobile side impact of the utility model is simple, manufacture is easy, it is low in cost and the features such as full scale vehicle collision intrusion displacement curve can be simulated, alternative existing vehicle previous structure verifies impact test, and solves the problems such as complete vehicle test somewhat expensive, sample car cost is high, the device is complicated；Compared to test methods such as vehicles, its reliability of technology is higher.
Description
Technical field
The utility model relates to automobile safety test technical fields, more particularly to a kind of platform for reappearing automobile side impact
Vehicle device.
Background technique
Currently, side collision sled test is mainly two-speed platform side collision trolley test method, that is, by car door
The curve that inner panel rate curve is converted to Double tabletop feature by analyzing process of fitting treatment, by the application of curve to vehicle experimental rig.
Mainly have with the sled test device of the theory: Seattle Safety side impact trolley device and IST side impact trolley device, it is former
Reason figure is as depicted in figs. 1 and 2.
Seattle Safety side impact trolley device include cylinder 01, car door trolley 02, servo trolley 03, absorption cell 04,
Servo brake 05, air brake 06 and seat trolley 07.The accelerating curve of car door is by being stored in cylinder 01
The resultant force for the servo brake power that compressed air and servo brake 05 control generates.When test, to car door accelerating curve
Adjustment obtains by adjusting servo brake power.When the thrust that compressed air generates is greater than servo brake power, the car door of generation
Acceleration is positive value；When the thrust that compressed air generates is less than servo brake power, the car door acceleration of generation is negative value.It is present
One air brake 06, position installation corresponding with seat on car door fixed frame are installed between chair trolley 07 and car door trolley 02
One absorption cell 04.The accelerating curve of seat is generated by the resultant force of absorption cell 04 and air brake 06.Seat curve
The brake force by adjusting air brake 06 is adjusted to realize.
IST side impact trolley device includes car door trolley sliding rail 001, seat trolley sliding rail 002, seat trolley 003, car door platform
Vehicle 004 and SERVO CONTROL hydraulic impact device 005.IST side impact trolley device is identical as Seattle Safety side impact trolley
Place is the simulation of car door Acceleration pulse, and difference is in simulation process when car door and seat start to contact, seat
Chair trolley 003 is locked on car door trolley 004.Therefore, it is motionless can only to simulate car door seat in real train test for IST side impact trolley
Situation.
Existing Seattle Safety side impact trolley device and IST side impact trolley device come with some shortcomings: (one) very
Hardly possible examines a certain influence for optimizing structure to side impact performance and cannot study influence of a certain side wall structure to Impact Resisting Capability；
(2) structure is complicated, cost is high, testing expenses are expensive, it is difficult to simulate complete automobile collision；(3) reliability of trolley is not high.
Utility model content
The utility model is completed to solve in the prior art insufficient, and the purpose of the utility model is to provide one
The trolley device of kind of reproduction automobile side impact, its advantage is that structure is simple, manufacture is easy, low in cost and can simulate reality
Vehicle collides the features such as intrusion displacement curve, and alternative existing vehicle previous structure verifies impact test, and solves complete vehicle test
The problems such as somewhat expensive, sample car cost are high, the device is complicated；Compared to test methods such as vehicles, its reliability of technology is higher.
A kind of trolley device of reproduction automobile side impact of the utility model, including obstacle system, buffer system and platform
Vehicle system, the table system include side wall, and the side wall left end can release formula with the obstacle system right end and offset, described slow
Flushing system left end is fixedly connected on the obstacle system right end, and the buffer system right end can be solved with the table system left end
Except formula offsets.
A kind of trolley device of reproduction automobile side impact of the utility model may also is that
The obstacle system includes the first rigid plate and honeycomb aluminum, and the honeycomb aluminum left end has been fixedly connected on described first just
On property plate right end, the honeycomb aluminum right end can release formula with the side wall left end and offset, and the buffer system left end is fixedly connected
In on the first rigid plate right end.
The buffer system includes at least four pilot beam ontologies, and pilot beam ontology left end is fixedly connected on described the
In one rigid plate right end surrounding, the pilot beam ontology right end can release formula with the table system left end and offset.
The pilot beam ontology includes long pilot beam and short pilot beam, and the long pilot beam and the short pilot beam are fixed and connected
It connects, the length of the long pilot beam is greater than the length of the short pilot beam, and the long pilot beam left end is fixedly connected on described the
On one rigid plate right end, the short pilot beam right end can release formula with the table system left end and offset.
The table system includes the second rigid plate, car body and at least seven support rods, and the support rod right end is fixed to be connected
It is connected on second rigid plate left end, the car body left end is fixedly connected on the second rigid plate right end, the support
Bar left end is fixedly connected with the side wall right end surrounding, and the buffer system right end can release formula phase with second rigid plate
It supports.
The support rod cross sectional shape is in U-shape.
First rigid plate and second rigid plate are indeformable thin plate.
The car body is lorry.
The support rod quantity, position are corresponding with vehicle beam quantity, position.
The buffer system left end and the obstacle system right end are welded to connect.
A kind of trolley device of reproduction automobile side impact of the utility model, including obstacle system, buffer system and platform
Vehicle system, the table system include side wall, and the side wall left end can release formula with the obstacle system right end and offset, described slow
Flushing system left end is fixedly connected on the obstacle system right end, and the buffer system right end can be solved with the table system left end
Except formula offsets.In this way, table system includes side wall, side wall left end is connect with obstacle system right end, can also release connection；Buffering
System left end is connected on obstacle system right end, and connection can be other connection types, as long as can be by buffer system left end
It is connect with obstacle system right end.Buffer system right end is connect with table system left end, can also release connection.When the external world gives
Side when giving table system certain force, when table system is integrally moved to obstacle system and buffer system direction, on table system
It encloses left end first to offset with obstacle system right end, then table system left end offsets with buffer system right end, wherein buffer system energy
Play the role of energy-absorbing and deformation, obstacle system, buffer system and table system as a whole, thus instead of complete automobile collision
Middle automotive friction and deformation energy-absorbing；Meanwhile the knock-on displacement of vehicle sliding and generation can be simulated.Obstacle system can also play suction
The effect that can and deform.During automobile side impact, the sensor being arranged on side wall can be to side wall deflection, intrusion volume
It measures, count with intrusion speed；During side wall deforms, side wall B column is pressurized, to form intrusion volume and intrusion
Speed, and then form corresponding intrusion volume curve and intrusion rate curve.Obstacle system, buffer system and the unification of table system group
Vehicle can be substituted by rising, i.e., the trolley device has structure simple, is easy to make, low in cost and can simulate full scale vehicle collision and invade
The features such as entering displacement curve, alternative existing vehicle previous structure verify impact test, and solve complete vehicle test somewhat expensive,
The problems such as sample car cost is high, the device is complicated.The data of trolley device and the vehicle curve of target vehicle are fitted, to early period
Automobile development has important directive significance, and reliability is higher；Simultaneously as trolley device time is short, structure is simple, phase
Compared with test methods such as vehicles, its reliability of technology is also higher.A kind of trolley of reproduction automobile side impact of the utility model fills
It sets, has the advantage, that structure is simple in terms of existing technologies, manufacture is easy, low in cost and can simulate real vehicle
The features such as colliding intrusion displacement curve, alternative existing vehicle previous structure verifies impact test, and solves complete vehicle test expense
With the problems such as expensive, sample car cost is high, the device is complicated；Compared to test methods such as vehicles, its reliability of technology is higher.
Detailed description of the invention
The existing Seattle Safety side impact trolley device schematic diagram of Fig. 1.
The existing IST side impact trolley device schematic diagram of Fig. 2.
A kind of trolley device overall schematic for reappearing automobile side impact of Fig. 3 the utility model.
A kind of trolley device perspective view of the explosion for reappearing automobile side impact of Fig. 4 the utility model.
A kind of trolley device partial schematic diagram for reappearing automobile side impact of Fig. 5 the utility model.
A kind of another partial schematic diagram of trolley device for reappearing automobile side impact of Fig. 6 the utility model
Figure number explanation
1, obstacle system；11, the first rigid plate；12, honeycomb aluminum；2, buffer system；21, pilot beam ontology；3, trolley system
System；31, side wall；32, the second rigid plate；33, car body；34, support rod.
Specific embodiment
Fig. 3 to Fig. 6 with reference to the accompanying drawing makees a kind of trolley device of reproduction automobile side impact of the utility model
It is further described.
A kind of trolley device of reproduction automobile side impact of the utility model please refers to the related each figure of Fig. 3 to Fig. 6, packet
Include obstacle system 1, buffer system 2 and table system 3, the table system 3 includes side wall 31,31 left end of side wall with it is described
1 right end of obstacle system can release formula and offset, and 2 left end of buffer system is fixedly connected on 1 right end of obstacle system, described
2 right end of buffer system can release formula with 3 left end of table system and offset.In this way, table system 3 includes side wall 31, side wall 31
Left end is connect with 1 right end of obstacle system, can also release connection；2 left end of buffer system is connected on 1 right end of obstacle system,
Connection can be other connection types, as long as can connect 2 left end of buffer system with 1 right end of obstacle system.Buffer system
2 right ends of uniting are connect with 3 left end of table system, can also release connection.When 3 certain force of table system is given in the external world, trolley system
31 left end of side wall elder generation and obstacle system 1 when system 3 is integrally moved to obstacle system 1 and 2 direction of buffer system, on table system 3
Right end offsets, and then 3 left end of table system offsets with 2 right end of buffer system, and wherein buffer system 2 can play energy-absorbing and deformation
Effect, obstacle system 1, buffer system 2 and table system 3 as a whole, thus instead of automotive friction in complete automobile collision with
And deformation energy-absorbing；Meanwhile the knock-on displacement of vehicle sliding and generation can be simulated.Obstacle system 1 can also play energy-absorbing and deformation
Effect.During automobile side impact, the sensor being arranged on side wall 31 can be to 31 deflection of side wall, intrusion volume and intrusion
Speed is measured, is counted；During side wall 31 deforms, side wall 31B column is pressurized, to form intrusion volume and intrusion speed
Degree, and then form corresponding intrusion volume curve and intrusion rate curve.Obstacle system 1, buffer system 2 and table system 3 combine
Vehicle can be substituted together, i.e., the trolley device has structure simple, is easy to make, low in cost and can simulate full scale vehicle collision
The features such as intrusion displacement curve, alternative existing vehicle previous structure verifies impact test, and it is high to solve complete vehicle test expense
The problems such as expensive, sample car cost is high, the device is complicated.The data of trolley device and the vehicle curve of target vehicle are fitted, it is right
Automobile development early period has important directive significance, and reliability is higher；Simultaneously as trolley device time is short, structure is simple
Single, compared to test methods such as vehicles, its reliability of technology is also higher.A kind of reproduction automobile side impact of the utility model
Trolley device has the advantage, that structure is simple in terms of existing technologies, and manufacture is easy, low in cost and being capable of mould
The features such as quasi- full scale vehicle collision intrusion displacement curve, alternative existing vehicle previous structure verifies impact test, and solves vehicle
The problems such as testing expenses are expensive, sample car cost is high, the device is complicated；Compared to test methods such as vehicles, its reliability of technology is higher.
A kind of trolley device of reproduction automobile side impact of the utility model please refers to the related each figure of Fig. 3 to Fig. 6,
It may also is that the obstacle system 1 includes the first rigid plate 11 and honeycomb aluminum 12, the honeycomb on the basis of previous technique scheme
12 left end of aluminium is fixedly connected on 11 right end of the first rigid plate, and 12 right end of honeycomb aluminum can be solved with 31 left end of side wall
Except formula offsets, 2 left end of buffer system is fixedly connected on 11 right end of the first rigid plate.In this way, 12 left end of honeycomb aluminum
It is corresponding with 31 installation site of side wall to be connected to upper and position in the middle part of 11 right end of the first rigid plate, 12 left end of honeycomb aluminum and side wall 31
Between be connected firmly, connection is also possible to other connection types, as long as can honeycomb aluminum 12 left end be connected to the first rigid plate
On 11 right ends.Honeycomb aluminum 12 plays the role of inhaling flexible；Honeycomb aluminum 12 needs to meet 20071 " vapour of GB during the test
The passenger protection of vehicle side collision " standard.First rigid plate 11, which plays, prevents deformation in side collision test from generating energy-absorbing, thus
Improve 31 structure of side wall and the flexible accuracy of suction of honeycomb aluminum 12 in side collision test.When table system 3 is to obstacle
When system 1 moves, the side wall 31 in table system 3 offsets with the honeycomb aluminum 12 in obstacle system 1, after completing collision, side wall
31 release with the honeycomb aluminum 12 of obstacle system 1 and connect.During automobile side impact, the sensor energy that is arranged on side wall 31
31 deflection of side wall, intrusion volume and intrusion speed are measured, counted；During side wall 31 deforms, the B of side wall 31
Column is pressurized, to form intrusion volume and intrusion speed, and then forms corresponding intrusion volume curve and intrusion rate curve.Buffer system
2 left ends of uniting are connected on 11 right end of the first rigid plate, and connection can be other connection types, as long as can be by buffer system 2
Left end is connected to 11 right end of the first rigid plate.Further preferred technical solution are as follows: the buffer system 2 includes at least four
Root pilot beam ontology 21,21 left end of pilot beam ontology is fixedly connected in the 11 right end surrounding of the first rigid plate, described
21 right end of pilot beam ontology can release formula with 3 left end of table system and offset.In this way, pilot beam ontology 21 can for four or
Person is more, and 21 left end of pilot beam ontology is connected on 11 right end of the first rigid plate, is connected firmly, and connection can be other connect
Mode is connect, as long as pilot beam ontology 21 can be connected in the first rigid plate 11.Wherein, pilot beam ontology 21 is in surrounding point
It is distributed on 11 right end of the first rigid plate.When 3 certain force of table system is given in the external world, 31 left end of side wall on table system 3 is first
It offsets with 12 right end of honeycomb aluminum, then 3 left end of table system offsets with 21 right end of pilot beam ontology, wherein 21 energy of pilot beam ontology
Play the role of energy-absorbing and deformation, obstacle system 1, buffer system 2 and table system 3 as a whole, thus instead of vehicle
Automotive friction and deformation energy-absorbing in collision；Meanwhile the knock-on displacement of vehicle sliding and generation can be simulated.21 energy of pilot beam ontology
Improve the rigidity of integral trolley device；Meanwhile pilot beam ontology 21 replaced in complete automobile collision as absorption cell automotive friction with
And deformation energy-absorbing, when simulating trolley device, pilot beam ontology 21 can alleviate the displacement generated in trolley device collision process
Amount.Technical solution still more preferably are as follows: the pilot beam ontology 21 includes long pilot beam and short pilot beam, the long buffering
Beam is fixedly connected with the short pilot beam, and the length of the long pilot beam is greater than the length of the short pilot beam, the long buffering
Beam left end is fixedly connected on 11 right end of the first rigid plate, and the short pilot beam right end and 3 left end of table system can
Releasing formula offsets.In this way, long pilot beam left end is fixedly connected on 11 right end of the first rigid plate, it is connected firmly, connection can be with
It is other connection types, as long as long pilot beam left end can be connected on 11 right end of the first rigid plate.Long pilot beam is right
End is fixedly connected with short pilot beam left end, is connected firmly, and connection can be other connection types, as long as can be by long pilot beam
Right end is connect with short pilot beam left end.Long pilot beam provides deformation energy-absorbing function for short pilot beam, when short pilot beam is right
When end offsets with the collision of 3 left end of table system, short pilot beam is indeformable.Long pilot beam and short pilot beam can improve integral trolley
The rigidity of device, meanwhile, when simulating trolley device, long pilot beam can alleviate the displacement generated in trolley device collision process
Amount.Even more preferably, long pilot beam and short pilot beam cross section are in single cap shaped, and setting can be improved long slow in single cap shaped
Rush the rigidity of beam and short pilot beam.
A kind of trolley device of reproduction automobile side impact of the utility model please refers to the related each figure of Fig. 3 to Fig. 6,
It may also is that the table system 3 includes the second rigid plate 32, car body 33 and at least seven branch on the basis of previous technique scheme
Strut 34,34 right end of support rod are fixedly connected on 32 left end of the second rigid plate, and 33 left end of car body is fixed to be connected
It is connected on 32 right end of the second rigid plate, 34 left end of support rod is fixedly connected with the 31 right end surrounding of side wall, described
2 right end of buffer system can release formula with second rigid plate 32 and offset.In this way, table system 3 includes the second rigid plate 32, vehicle
Body 33 and support rod 34, support rod 34 are at least seven；34 right end of support rod is fixed on 32 left end of the second rigid plate, connection jail
Gu connection can be other connection types, as long as can connect 34 right end of support rod with 32 left end of the second rigid plate；
33 left end of car body is connect with 32 right end of the second rigid plate, is connected firmly, and connection can be other connection types, as long as can incite somebody to action
33 left end of car body is connect with 32 right end of the second rigid plate.34 left end of support rod is fixedly connected with 31 edge of side wall, connection jail
Gu connection can be other connection types, as long as can connect 34 left end of support rod with side wall 31.Support rod 34 can
Think seven or multiple, support rod 34 is that trolley device improves overall stiffness；Meanwhile support rod 34 is used as absorption cell generation
For in complete automobile collision, automotive friction and deformation energy-absorbing.Support rod 34 is distributed along 31 edge of side wall.The one of support rod 34
End is connect with a side wall 31 of the vehicle studied, and the other end is connect with the second rigid plate 32, then by the second rigid plate 32 with
Car body 33 connects, to replace whole.When 3 certain force of table system is given in the external world, 31 left end of side wall is first right with honeycomb aluminum 12
End offsets, and 32 left end of the second rigid plate offsets with 21 right end of pilot beam ontology, wherein pilot beam ontology 21 can play energy-absorbing and
The effect of deformation, obstacle system 1, buffer system 2 and table system 3 as a whole, thus instead of automobile in complete automobile collision
Friction and deformation energy-absorbing；Meanwhile the knock-on displacement of vehicle sliding and generation can be simulated.3 structure of table system is simple, manufacture is held
Easily, low in cost, whole previous structure can be replaced to verify impact test.Further preferred embodiment are as follows: the support rod 34 is cut
Face shape is in U-shape.In this way, 34 cross sectional shape of support rod is in U-shape, the whole rigidity of support rod 34 can be improved, so that support rod
34 are further used as absorption cell to replace automotive friction and deformation energy-absorbing in complete automobile collision.
A kind of trolley device of reproduction automobile side impact of the utility model please refers to the related each figure of Fig. 3 to Fig. 6,
It may also is that first rigid plate 11 and second rigid plate 32 are indeformable thin plate on the basis of previous technique scheme.
In this way, the first rigid plate 11 and the second rigid plate 32 are on-deformable thin plate, it is unlikely to deform as long as being able to satisfy.First just
Property plate 11 and the second rigid plate 32 can play prevent side collision test in deformation generate energy-absorbing, thus improve side collision examination
Test the flexible accuracy of suction of middle 31 structure of side wall and honeycomb aluminum 12.Even more preferably, the first rigid plate 11 and second is rigid
Property plate 32 is that 40 No. five or more Steel materials are made and with a thickness of 5mm.
A kind of trolley device of reproduction automobile side impact of the utility model please refers to the related each figure of Fig. 3 to Fig. 6,
It may also is that the car body 33 is lorry on the basis of previous technique scheme.In this way, lorry can drive second just
Property plate 32 and side wall 31 and honeycomb aluminum 12 collide.
A kind of trolley device of reproduction automobile side impact of the utility model please refers to the related each figure of Fig. 3 to Fig. 6,
It may also is that 34 quantity of support rod, position are corresponding with vehicle beam quantity, position on the basis of previous technique scheme.
In this way, 34 quantity of support rod, position are corresponding with vehicle beam quantity, position, so that support rod 34, the 31, second rigidity of side wall
Plate 32 and car body 33 can be emulated preferably instead of the vehicle of target vehicle, so that the test number of the trolley device of automobile side impact
According to higher, the high reliability of further verification method with the vehicle of target vehicle emulation acceleration, the rate curve goodness of fit.
A kind of trolley device of reproduction automobile side impact of the utility model please refers to the related each figure of Fig. 3 to Fig. 6,
On the basis of previous technique scheme it may also is that 2 left end of buffer system and 1 right end of obstacle system are welded to connect.This
Sample, 2 left end of buffer system and 1 right end of obstacle system by welding is attached, be not only connected firmly, and the set-up time it is short and
Save the cost, to save experimentation cost.
It is above-mentioned that only several specific embodiments in the utility model are illustrated, but can not be as the utility model
Protection scope, equivalent change or modification or equal proportion amplification or contracting made by all design spirits according in the utility model
It is small etc., it is deemed to fall the protection scope of the utility model.
Claims (10)
1. it is a kind of reappear automobile side impact trolley device, it is characterised in that: including obstacle system (1), buffer system (2) and
Table system (3), the table system (3) include side wall (31), side wall (31) left end and obstacle system (1) right end
Formula can be released to offset, buffer system (2) left end is fixedly connected on obstacle system (1) right end, the buffer system
(2) right end can release formula with the table system (3) left end and offset.
2. a kind of trolley device for reappearing automobile side impact according to claim 1, it is characterised in that: the obstacle system
System (1) includes the first rigid plate (11) and honeycomb aluminum (12), and honeycomb aluminum (12) left end is fixedly connected on first rigidity
On plate (11) right end, honeycomb aluminum (12) right end can release formula with the side wall (31) left end and offset, the buffer system (2)
Left end is fixedly connected on the first rigid plate (11) right end.
3. a kind of trolley device for reappearing automobile side impact according to claim 2, it is characterised in that: the buffer system
System (2) includes at least four pilot beam ontologies (21), and pilot beam ontology (21) left end is fixedly connected on first rigidity
In plate (11) right end surrounding, pilot beam ontology (21) right end can release formula with the table system (3) left end and offset.
4. a kind of trolley device for reappearing automobile side impact according to claim 3, it is characterised in that: the pilot beam
Ontology (21) includes long pilot beam and short pilot beam, and the long pilot beam is fixedly connected with the short pilot beam, the long buffering
The length of beam is greater than the length of the short pilot beam, and it is right that the long pilot beam left end is fixedly connected on first rigid plate (11)
On end, the short pilot beam right end can release formula with the table system (3) left end and offset.
5. a kind of trolley device of reproduction automobile side impact according to claim 2-4 any one claim,
Be characterized in that: the table system (3) includes the second rigid plate (32), car body (33) and at least seven support rods (34), described
Support rod (34) right end is fixedly connected on the second rigid plate (32) left end, and car body (33) left end is fixedly connected on institute
It states on the second rigid plate (32) right end, support rod (34) left end is fixedly connected with the side wall (31) right end surrounding, described
Buffer system (2) right end can release formula with second rigid plate (32) and offset.
6. a kind of trolley device for reappearing automobile side impact according to claim 5, it is characterised in that: the support rod
(34) cross sectional shape is in U-shape.
7. a kind of trolley device for reappearing automobile side impact according to claim 5, it is characterised in that: described first just
Property plate (11) and second rigid plate (32) be indeformable thin plate.
8. a kind of trolley device for reappearing automobile side impact according to claim 5, it is characterised in that: the car body
It (33) is lorry.
9. a kind of trolley device for reappearing automobile side impact according to claim 5, it is characterised in that: the support rod
(34) quantity, position are corresponding with vehicle beam quantity, position.
10. a kind of trolley device of reproduction automobile side impact described in -4 any one claims according to claim 1,
Be characterized in that: buffer system (2) left end and obstacle system (1) right end are welded to connect.
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| CN201820989693.5U CN208420335U (en) | 2018-06-26 | 2018-06-26 | A kind of trolley device reappearing automobile side impact |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820989693.5U CN208420335U (en) | 2018-06-26 | 2018-06-26 | A kind of trolley device reappearing automobile side impact |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021096136A (en) * | 2019-12-17 | 2021-06-24 | Ｊｆｅスチール株式会社 | Truck for collision test and collision testing device |
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2018
- 2018-06-26 CN CN201820989693.5U patent/CN208420335U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021096136A (en) * | 2019-12-17 | 2021-06-24 | Ｊｆｅスチール株式会社 | Truck for collision test and collision testing device |
| JP7103335B2 (en) | 2019-12-17 | 2022-07-20 | Ｊｆｅスチール株式会社 | Crash test trolley and collision test equipment |
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