CN209639974U - A kind of chair vertical falling device of simulating vehicle roll - Google Patents
A kind of chair vertical falling device of simulating vehicle roll Download PDFInfo
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- CN209639974U CN209639974U CN201920348517.8U CN201920348517U CN209639974U CN 209639974 U CN209639974 U CN 209639974U CN 201920348517 U CN201920348517 U CN 201920348517U CN 209639974 U CN209639974 U CN 209639974U
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Abstract
The utility model relates to vehicle collision technical fields, and in particular to a kind of chair vertical falling device of simulating vehicle roll.Described device includes sag generator, seat roll simulator and falls buffer unit.The sag generator generates natural gravity vertical drop for generating seat and occupant's system；The roll seat simulator hits moment seat and the simulation of occupant's transient posture for installing seat and fixed occupant, and realizing；The buffer unit that falls carries out buffer protection function for generating impact force.Experimental rig generates different degrees of impact crash effect by adjusting different falling heights, the passengers motion state contacted to earth when colliding by seat and the roll of occupant's system simulating vehicle, occupant restraint system and occupant injury response investigations are carried out, experimental rig has repeatability well, at low cost.
Description
Technical field
It rolls impacting technology field the utility model relates to vehicle, and in particular to a kind of chair vertical falls simulating vehicle rolling
Turn over generation experimental rig.
Background technique
It is shown according to the accident statistics data of various countries, area, although the ratio that rollover accident is shared in all traffic accidents
Example is simultaneously little, but its lethality is but very high.
Currently, paying more attention to both at home and abroad to vehicle roll research, but there is not pressure so far for vehicle roll test aspect
Property enforcement regulations.Correlation roll experimental technique is deposited substantially at abroad, domestic considerably less for the test of roll.It is rolled in existing vehicle
It turns in regulation and vehicle roll test, substantially all based on complete vehicle test, tests carry out process bulky complex, test result is commented
Valence can not be uniformly under-represented.C-NCAP evaluation index is put into effect also in recent years to supervise vehicle enterprise to improve the rolling of automobile in China
Collision performance, but its fairness and accuracy allow professional person to query.Consider test result repeatability and experimentation cost problem,
Existing test has certain difficulty on implementing.
Utility model content
The purpose of the utility model is to overcome the problems of the big repeatability difference of complete vehicle test operation difficulty, to provide one
Seat occupant instantaneously collides attitude-simulating generation experimental rig in kind vehicle roll, being capable of fine simulating vehicle roll process seat
Chair occupant instantaneously collides posture and micromechanism of damage, changes in existing roll test using vehicle as the test method of subjects, has
Effect improves test repeatability, reduces test implementation cost.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:
A kind of chair vertical falling device of simulating vehicle roll, during simulating vehicle roll, seat and occupant
Instantaneous collision posture and micromechanism of damage；Described device includes sag generator, is generated for generating seat and occupant's system
Natural gravity vertical drop,
Seat roll simulator for installing seat and fixed occupant, and realizes that shock moment seat and occupant are instantaneous
Attitude-simulating,
Fall buffer unit, for generating impact force, carries out buffer protection function；
Wherein the seat roll simulator is installed on sag generator, the simulating vehicle after receiving falls shock
The posture of seat under roll state, the buffer unit that falls are located at sag generator bottom, generate drop impact impact and
Buffer protection function.
The sag generator includes dropping table, falls guide rail, lifts by crane and fall device and fall bracket, wherein described fall
Platform does single vertical movement on falling guide rail, and lifting, which is fallen device and is fixed on, falls cantilever tip.
The roll seat simulator is installed on dropping table, including seat adjuster and seat；Before falling, institute
State seat adjuster and chair surface and the angled setting of dropping table plane.
The seat adjuster includes T-slot seat assembling plate, angle driving pulsometer, turning joint；T-slot seat
Chair assembling plate one end is fixed by turning joint and dropping table, and the other end drives pulsometer to fix with dropping table by angle.
The T-slot seat assembling plate be in length and breadth X-shape, it can be achieved that different size seat vertical and horizontal installation,
When seat is arranged on T-slot seat assembling plate, installation bolt is inverted in T-slot, and the nut for installing bolt is stuck in T-type
In slot, screw rod passes through attaching nut after the mounting hole on seat, so that seat be fixed.
The angle driving pulsometer is installed between T-slot seat assembling plate and dropping table, adjusts simultaneously fixing seat
Angle.
The described buffer unit that falls includes upper contact buffer board and lower contact buffer board, the upper contact buffer board and is fallen
It falls platform to fix, lower contact buffer board is fixed with bracket mounting face.
The beneficial effects of the utility model are: (1) experimental rig provided by the utility model, is fallen by flexible modulation seat
Occupant's transient motion posture in angle of fall degree simulating vehicle roll collision process effectively simplifies vehicle roll experimental rig, because
Test operation is easy, reusable, and cost also greatly reduces.
(2) experimental rig provided by the utility model, roll seat simulator therein fall shock seat by setting
Chair attitude regulating mechanism realizes the horizontal and vertical installation of seat, simulation roll collision moment seat and occupant can transport very well
Dynamic posture.
(3) experimental rig provided by the utility model, therein fall hit seat attitude regulating mechanism device by setting
Angle setting degree drives pulsometer, can be realized the setting angle of seat and occupant's system within the scope of certain angle and adjusts.
(4) experimental rig provided by the utility model, therein fall hit seat attitude regulating mechanism device by setting
T-slot seat assembling plate is set, the installation of various types seat can be well realized, there is compatibility well；
(5) experimental rig provided by the utility model, T-slot seat assembling plate therein are horizontal and vertical by being arranged
Form preferably realizes the horizontal and vertical installation of seat, guarantees to fall the stability for hitting moment seat.
(6) experimental rig provided by the utility model, sag generator therein fall guide rail by setting, well
Realize that experimental rig occurs vertical stabilization in arbitrary height and falls.
(7) experimental rig provided by the utility model, the buffer unit therein that falls pass through setting contact buffer board up and down,
It can effectively simulating vehicle roll contact to earth contact force generation, while good buffer protection function be played to device.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 the application experimental rig general illustration；
Fig. 2 the application experimental provision schematic diagram；
Fig. 3 the application seat adjuster schematic diagram；
Fig. 4 the application T-slot mounting means partial schematic diagram.
Description of symbols:
1- sag generator, 2- seat roll simulator, 3- fall buffer unit, 4- dropping table, and 5- falls guide rail,
Device is fallen in 6- lifting, and 7- falls bracket, 8- seat adjuster, 9-T type groove seat assembling plate, and 10- angle drives pulsometer,
11- turning joint contacts buffer board on 12-, and buffer board is contacted under 13-, and 14- installs bolt
Specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the utility model is described in detail.
A kind of chair vertical falling device of simulating vehicle roll, including sag generator 1, seat roll simulator
2 and fall buffer unit 3.The seat roll simulator 2 hits moment seat for installing seat and fixed occupant, and realizing
Chair and the simulation of occupant's transient posture.Falling device generates different degrees of impact crash effect by adjusting different falling heights, leads to
Overregulate seat and occupant's system perspective, the passengers motion state that simulating vehicle roll is contacted to earth when colliding.
The sag generator 1 includes dropping table 4, falls guide rail 5, lifts by crane and fall device 6, wherein the dropping table 4 is solid
Due to falling on guide rail 5 and single vertical movement, lifting, which is fallen device 6 and is fixed on, falls 7 top of bracket.When test, lifting is fallen
Device 6 by dropping table 4 along fall guide rail 5 draw to test setting height fix.
The seat roll simulator 2 is installed on dropping table 4, including seat adjuster 8 and seat, falls
Before, the seat adjuster 8 and chair top chair and 4 plane of dropping table are needed to be tuned into certain angle by test.Seat and occupant
It is risen to together after placement with dropping table 4 and needs height.
The seat adjuster 8 includes T-slot seat assembling plate 9, angle driving pulsometer 10, turning joint 11.
The roll simulated of seat roll simulator 2, which contacts to earth to collide moment chair angle and drive pulsometer 10 to adjust by angle, to be set
It is fixed.
The T-slot seat assembling plate 9 is for X-shape in length and breadth, it can be achieved that the installation of seat vertical and horizontal, the angle
Driving pulsometer 10 is installed between T-slot seat assembling plate 9 and dropping table 4.9 one end of T-slot seat assembling plate passes through
Turning joint 11 and dropping table 4 are fixed, and the other end drives pulsometer 10 and dropping table 4 fixed by angle.It is driven by angle
After pulsometer 10 adjusts setting special angle, seat roll simulator 2 drives 10 He of pulsometer by angle on dropping table 4
Turning joint 11 keeps attitude stabilization.
After the completion of the adjustment of above-mentioned experimental condition, lifting falls device 6 and discharges dropping table 4 and seat roll mould in certain height
Quasi- device 2, in corresponding position head-on collision, which occurs, for the upper contact buffer board 12 and lower contact buffer board 13 for falling buffer unit 3 impacts,
Impact power passes to testing dummy's model by dropping table 4 and seat roll simulator 2, and dummy model generates damage and rings
It answers, and then carries out occupant restraint system and occupant injury response investigations.
The chair vertical falling device of the application simulates vehicle using bracket and seat rolling simulation bracket is fallen
In roll procedure, the posture and degree of impairment of seat and occupant can operate independently of vehicle, simplify experimental rig.And
Since experimental rig structure is simple, this experimental rig has repeatable and at low cost well.
Claims (7)
1. a kind of chair vertical falling device of simulating vehicle roll, which is characterized in that described device include sag generator,
Roll and falls buffer unit at seat simulator, wherein the roll seat simulator is installed on sag generator,
Seat posture, the buffer unit that falls are located at sag generator bottom under simulating vehicle roll state after receiving is fallen and hit
Portion generates drop impact impact and buffer protection function.
2. chair vertical falling device according to claim 1, which is characterized in that the sag generator (1) includes
Dropping table (4), fall guide rail (5), lifting fall device (6), wherein the dropping table (4) be fixed on fall guide rail (5) it is single hang down
Straight movement, lifting, which is fallen device (6) and is fixed on, falls bracket (7) top.
3. chair vertical falling device according to claim 2, which is characterized in that the roll seat simulator (2)
Dropping table (4) are installed on, including falls and hits seat attitude regulating mechanism (8) and seat, it is described to fall shock before falling
Seat attitude regulating mechanism (8) and chair top chair can be angled with dropping table (4) plane.
4. chair vertical falling device according to claim 3, which is characterized in that described fall hits seat attitude regulation
Device (8) includes T-slot seat assembling plate (9), angle driving pulsometer (10), turning joint (11).
5. chair vertical falling device according to claim 4, which is characterized in that the t type groove seat assembling plate (9)
For X-shape in length and breadth, it can be achieved that seat vertical and horizontal are installed, T-slot seat assembling plate (9) one end passes through turning joint
(11) fixed with dropping table (4), the other end is fixed by angle driving pulsometer (10) and dropping table (4).
6. chair vertical falling device according to claim 5, which is characterized in that angle driving pulsometer (10) peace
Loaded between T-slot seat assembling plate (9) and dropping table (4), adjust and fixing seat angle.
7. chair vertical falling device according to claim 6, which is characterized in that described falls buffer unit (3) packet
Include contact buffer board (12) and lower contact buffer board (13), the upper contact buffer board (12) and dropping table (4) fixation, under connect
Touching buffer board (13) is fixed with bracket mounting face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920348517.8U CN209639974U (en) | 2019-03-19 | 2019-03-19 | A kind of chair vertical falling device of simulating vehicle roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920348517.8U CN209639974U (en) | 2019-03-19 | 2019-03-19 | A kind of chair vertical falling device of simulating vehicle roll |
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| Publication Number | Publication Date |
|---|---|
| CN209639974U true CN209639974U (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920348517.8U Active CN209639974U (en) | 2019-03-19 | 2019-03-19 | A kind of chair vertical falling device of simulating vehicle roll |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870314A (en) * | 2019-03-19 | 2019-06-11 | 南京理工大学 | A kind of chair vertical falls simulating vehicle roll and experimental rig occurs |
| CN110940479A (en) * | 2019-12-05 | 2020-03-31 | 中国飞机强度研究所 | Armored vehicle seat explosion impact resistance performance test system and method |
| CN110987469A (en) * | 2019-12-05 | 2020-04-10 | 中国飞机强度研究所 | Armored vehicle seat bench test explosion impact waveform simulation system and method |
-
2019
- 2019-03-19 CN CN201920348517.8U patent/CN209639974U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870314A (en) * | 2019-03-19 | 2019-06-11 | 南京理工大学 | A kind of chair vertical falls simulating vehicle roll and experimental rig occurs |
| CN110940479A (en) * | 2019-12-05 | 2020-03-31 | 中国飞机强度研究所 | Armored vehicle seat explosion impact resistance performance test system and method |
| CN110987469A (en) * | 2019-12-05 | 2020-04-10 | 中国飞机强度研究所 | Armored vehicle seat bench test explosion impact waveform simulation system and method |
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