CN104792541A - Vehicle active safety and dynamic performance comprehensive test bench - Google Patents
Vehicle active safety and dynamic performance comprehensive test bench Download PDFInfo
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- CN104792541A CN104792541A CN201410550588.8A CN201410550588A CN104792541A CN 104792541 A CN104792541 A CN 104792541A CN 201410550588 A CN201410550588 A CN 201410550588A CN 104792541 A CN104792541 A CN 104792541A
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Abstract
The invention discloses a vehicle active safety and dynamic performance comprehensive test bench, comprising a front main bench body 12, a rear main bench body 21, an inter-shaft transmission device, and a laminated cover plate device. The front main bench body 12 and the rear main bench body 21 are of the same structure and are arranged in central symmetry. Each main bench body includes two bilaterally-symmetrical single-wheel bench bodies in addition to a biased reversing transmission device 9. Each single-wheel bench body mainly includes a roller 1, a sensor 2, a motor 3, a flywheel clutch device 6, and a flywheel group 10. The inter-shaft transmission device mainly includes a reversing transmission device 9, a transmission shaft 13, a transmission sleeve 14, and an inter-shaft synchronization device 15. The laminated cover plate device mainly includes a lower cover plate 16, a middle cover plate 17, an upper cover plate 18, a lower cover plate supporting column 19, and a middle cover plate supporting column 20. The laminated cover plate device is arranged between the front main bench body and the rear main bench body to play a supporting role when a vehicle drives into or out of the test bench so as to make a vehicle drive into or out of the bench bodies easily.
Description
Technical field
The present invention relates to vehicle safety and dynamic property technical research test and in-use automotive detection field, particularly relate to a kind of experimental study and performance test of automobile active safety technology.Automobile active safety technology refers to as pre-anti-vehicle has an accident, and avoids personnel to come to harm and the safety technique initiatively taked, comprises the technology such as ABS, ASR, EBD and ESP.
Background technology
General road test has the shortcomings such as high, the repeatable difference of cost, and indoor bench test can avoid the problems referred to above, and vehicle active safety and dynamic property multi-function test stand are placed on the cylinder of rotation by vehicle, is equivalent to vehicle on the road surface of rolling move; When vehicle moves on actual road surface, the kinetic energy of car load is divided into rotational kinetic energy and translational kinetic energy, and when carrying out bench test, vehicle only has rotational kinetic energy, the rotational kinetic energy simulation of the inertia simulation device on the translational kinetic energy stand of vehicle.Vehicle on road surface during straight-line travelling the motion state of each several part be consistent, require that the motion state of each simulated wheel inertia device is consistent; Vehicle turn on road surface or negotiation of bends time each several part motion state inconsistent, this just requires that the motion state of each simulated wheel inertia device is corresponding with it.
The main performance target of automobile active safety technology be travel at its straight line, turn to or negotiation of bends process in prevent vehicle unstability from causing accident to occur, avoid personnel to come to harm; Carry out vehicle active safety can test and must comprise straight-line travelling operating mode, turn to or negotiation of bends operating mode, this just requires that testing table can realize each wheel speed synchronous interaction and control and independently to control.Greening company of the U.S., there are correlative study in Schenck company of Germany and domestic Beijing Institute of Technology etc., existing various car test benches can only be tested the single driving cycle of vehicle, or can only test single vehicle or function, in order to adapt to the development of new auto technology and meet the multi-functional testing requirement of multi-state multi-vehicle-type, the present invention proposes a kind of vehicle active safety and dynamic property multi-function test stand.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the present invention proposes to test the multi-functional a kind of vehicle active safety of multi-state multi-vehicle-type and dynamic property multi-function test stand.
A kind of vehicle active safety and dynamic property multi-function test stand comprise front main stage body 12, rear main stage body 21, between centers gearing and stacked cover board arrangement, identical and the Central Symmetry of front main stage body 12, rear main stage body 21 structure is arranged, each main stage body comprises symmetrical two the single-wheel stage bodies of structure except reverse drive gear 9 is biased, testing table can comprise former and later two main stage bodies or plural main stage body, to test the multi-wheeler of more than diaxon and diaxon, each single-wheel stage body of taking turns correspondence can be separated with between centers gearing or combine and realize independence or linkage test respectively, for left rear wheel stage body, each single-wheel stage body forms primarily of cylinder 1, sensor 2, motor 3, motor synchronous device 4, flywheel synchronization device 5, flywheel clutch device 6, cylinder synchronous device 7, interlock arrangement of clutch 8, flywheel group 10, in each single-wheel stage body, two cylinders 1 connect realization by cylinder synchronous device 7 and are synchronized with the movement, wherein a cylinder 1 is connected by shaft coupling with sensor 2 one end, sensor 2 other end is connected realization by flywheel synchronization device 5 with flywheel group 10 and is synchronized with the movement, motor 3 is connected realization by motor synchronous device 4 with flywheel group 10 and is synchronized with the movement, therefore, on single-wheel stage body, cylinder 1, sensor 2, motor 3 are synchronized with the movement and form the combination of single-wheel stage body inertia simulation together with flywheel group 10, between centers gearing mainly comprises reverse drive gear 9, transmission shaft 13, drive sleeve 14, between centers synchronous device 15, the flywheel group 10 of each main stage body two ends single-wheel stage body is connected with the two ends rotation axis of reverse drive gear 9 with interlock arrangement of clutch 8 respectively by flywheel clutch device 6, reverse drive gear 9 plays the effect changing transmission of torque direction, the intermediate shaft of reverse drive gear 9 is connected with transmission shaft 13 and is synchronized with the movement, transmission shaft 13 is scalable and be synchronized with the movement with drive sleeve 14, the drive sleeve 14 of two parallel placements realizes being synchronized with the movement by between centers synchronous device 15, each main stage body is so just made to realize being synchronized with the movement by middle between centers gearing, thus achieve the synchronous interaction of each single-wheel stage body, when interlock arrangement of clutch 8 between flywheel group 10 and reverse drive gear 9 is in off-state, between centers gearing is inoperative, can move asynchronous with other single-wheel inertia simulation groups, the separate motion of each wheel simulated inertia group, by controlling the motion state of motor 3, just can carry out independent control to the motion state of each single-wheel stage body, combine by the interlock arrangement of clutch 8 controlling each single-wheel stage body or disconnect, the synchronous interaction of any number of wheel in test vehicle can be realized, stacked cover board arrangement mainly comprises lower cover 16, cover plate 17, upper cover plate 18, lower cover support post 19, cover plate support post 20, stacked cover board arrangement is placed between forward and backward main stage body, when automobile sail into, roll testing table away from time, play a supporting role, be convenient to vehicles while passing stage body.
Described a kind of vehicle active safety and dynamic property multi-function test stand, it is characterized in that, during simulating vehicle straight-line travelling, the motion state adopting the synchronous interaction of each single-wheel stage body that each single-wheel stage body inertia simulation is combined is consistent, car load motion simulation when realizing straight-line travelling; When inconsistent motion state such as each wheel that simulating vehicle causes due to turn to, Uneven road etc., the motion state adopting each single-wheel stage body independently to control the inertia simulation of each single-wheel stage body is combined and each wheel movement are consistent, and realize the car load motion simulation under complex working condition.
Described a kind of vehicle active safety and dynamic property multi-function test stand, it is characterized in that, by controlling respectively to take turns the bonding state of interlock arrangement of clutch 8 between corresponding flywheel group 10 and reverse drive gear 9 and the motion state of motor 3, the two-wheeled interlock of single shaft left and right can be realized respectively and carry out that monolateral test is carried out in two-wheeled interlock before and after uniaxial test, homonymy, diagonal angle test is carried out in two-wheeled interlock in diagonal angle or need to realize the synchronous interaction of any number of wheel in test vehicle according to test.
Described a kind of vehicle active safety and dynamic property multi-function test stand, it is characterized in that, transmission shaft 13 and the drive sleeve 14 of between centers gearing are synchronized with the movement by between centers synchronous device 15, synchronous rotary and axial stretching can be realized by the device that slides axially between transmission shaft 13 and drive sleeve 14, parallel placement two looper drive shaft 13 and drive sleeve 14, the axial stretching amount of between centers gearing is made to be the axial stretching amount sum of two groups of transmission shafts 13 and drive sleeve 14, before adding, the regulated quantity of rear main stage body, to meet the requirement of different vehicle wheelbase, adapt to the needs of various vehicle performance test.
Described a kind of vehicle active safety and dynamic property multi-function test stand, is characterized in that, lower cover 16 is connected on front main stage body and lower cover support post 19 respectively, and front main stage body 12 and lower cover support post 19 fixedly mount on the ground; Cover plate 17 is placed on lower cover 16, can mutually slide, and cover plate 17 is connected on cover plate support post 20, and cover plate support post 20 is supported on guide rail 11, and can slide on guide rail 11; Upper cover plate 18 is placed in cover plate 17 and also can slides in the above, upper cover plate 18 is fixedly mounted on rear main stage body 21, rear main stage body is placed on guide rail 11, and by drive unit at slide on rails, the spacing realizing front main stage body 12 and rear main stage body 21 regulates, to meet the requirement of different vehicle wheelbase, adapt to the needs of various vehicle performance test.
Accompanying drawing explanation
Fig. 1,2,3,4 is the structural drawing of a kind of vehicle active safety and dynamic property multi-function test stand.In figure, (1) cylinder, (2) sensor, (3) motor, (4) motor synchronous device, (5) flywheel synchronization device, (6) flywheel clutch device, (7) cylinder synchronous device, (8) link arrangement of clutch, (9) reverse drive gear, (10) flywheel group, (11) guide rail, (12) front main stage body, (13) transmission shaft, (14) drive sleeve, (15) between centers synchronous device, (16) lower cover, (17) cover plate, (18) upper cover plate, (19) lower cover support post, (20) cover plate support post, (21) main stage body afterwards.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
According to the parameter of tested vehicle, testing table is adjusted before carrying out various test, front main stage body 12 is fixedly mounted on ground, rear main stage body 21 can move on guide rail 11, according to the position of main stage body 21 after the wheelbase size adjustment of vehicle, distance between front main stage body 12 liang of drum wheelbase center lines (when namely wheel is parked on two cylinders, and wheel axis is in same vertical plane) and rear main stage body 21 liang of drum wheelbase center lines and vehicle wheelbase are consistent; Now the transmission shaft 13 of between centers gearing, each layer of scalable, the stacked cover plate of drive sleeve 14 can slide the spacing change adapting to forward and backward main stage body mutually; According to the quality size of vehicle, change the bonding state of flywheel clutch device 6, the flywheel group of various combination is made to participate in motion, thus make cylinder 1, sensor 2, flywheel group 10 combine formed combine analog inertia closest to vehicle translation inertia, the difference of combine analog inertia and vehicle translation inertia is simulated by the electrical inertia of motor 3, to realize vehicle inertia simulation accurately, finally main stage body 21 after locking, prevents stage body from rocking and changes with the spacing of forward and backward main stage body.
1. each single-wheel stage body independence Control experiment
When carrying out each single-wheel stage body independence Control experiment, the interlock arrangement of clutch 8 between flywheel group 10 and reverse drive gear 9 is in off-state, and between centers gearing is inoperative, and each single-wheel stage body is separate; Flywheel group 10 and motor 3 are synchronized with the movement by motor synchronous device 4, flywheel group 10 and sensor 2, cylinder 1 are synchronized with the movement by flywheel synchronization device 5 and flywheel clutch device 6, and therefore the motion of each single-wheel stage body cylinder 1, sensor 2, motor 3 and flywheel group 10 is synchronous; Can be different according to each single-wheel stage body running speed of test needs, each single-wheel stage body running speed can be controlled consistent with the speed of wheel corresponding during Vehicular turn, carry out the tests such as Ackermann steer angle braking, driving condition.
2. synchronous interaction test
When carrying out each single-wheel stage body synchronous interaction test, interlock arrangement of clutch 8 between flywheel group 10 and reverse drive gear 9 is in bonding state, flywheel group 10 and between centers gearing are synchronized with the movement, thus each single-wheel stage body is synchronized with the movement, total inertia of total inertia simulation vehicle that the combine analog inertia be made up of each single-wheel stage body cylinder 1, sensor 2, motor 3 and flywheel group 10 is formed.
Reverse drive gear 9 changes the direction of transfer of torque, and the intermediate ends of reverse drive gear 9 is connected with transmission shaft 13, and transmission shaft 13 and drive sleeve 14 are synchronized with the movement, and the drive sleeve 14 of parallel placement realizes being synchronized with the movement by between centers synchronous device 15, between each single-wheel stage body, power transmission line is: the cylinder 1 of left and right two single-wheel stage bodies in fixing front main stage body 12, sensor 2, the assembly that motor 3 and flywheel group 10 are formed engages with corresponding interlock arrangement of clutch 8 respectively → the rear main stage body 21 of reverse drive gear 9 two ends input shaft → reverse drive gear 9 intermediate shafts → transmission shaft 13 → drive sleeve 14 → between centers synchronous device 15 → drive sleeve 14 → transmission shaft 13 → reverse drive gear 9 → movement in about the cylinder 1 of two single-wheel stage bodies, sensor 2, the assembly that motor 3 and flywheel group 10 are formed engages with corresponding interlock arrangement of clutch 8 respectively, between each single-wheel stage body, power transmission line ensure that each rotary drum of taking turns is synchronized with the movement, car load rectilinear motion can be simulated.
3. vehicle dynamic quality test
Vehicle dynamic quality is tested, and comprises the tests such as acceleration, chassis power, oil consumption and exhaust emissions; The each wheel of vehicle be placed in the forward and backward cylinder of each single-wheel stage body 1 top and with forward and backward cylinder 1 surface contact, wheel head roll 1, cylinder 1 driving sensor 2, sensor 2 drives flywheel group 10 by flywheel synchronization device 5, by power transmission line between each single-wheel stage body, each rotary drum of taking turns is synchronized with the movement, until reach setting test vehicle travel speed, by detecting the parameters such as each wheel drive force, rotating speed, slippage rate, carry out the actual motion state under vehicle traction operating mode.
4. vehicle active safety test
Vehicle active safety is tested, and comprises the test such as conventional brake, ABS, ASR, EBD; The each wheel of vehicle be placed in the forward and backward cylinder of each single-wheel stage body 1 top and with forward and backward cylinder 1 surface contact, motor 3 motor synchronous device 4 drives flywheel group 10, by flywheel synchronization device 5 driving sensor 2, cylinder 1, by power transmission line between each single-wheel stage body, each rotary drum of taking turns is synchronized with the movement, during setting test vehicle initial speed of braking to be achieved, carry out vehicle breaking operation, until reach setting test vehicle braking end speed, by detecting the parameters such as each wheel drive force, rotating speed, slip rate, carry out the actual motion state under vehicle traction operating mode.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (4)
1. a vehicle active safety and dynamic property multi-function test stand comprise front main stage body 12, rear main stage body 21, between centers gearing and stacked cover board arrangement; Each main stage body comprises two single-wheel stage bodies; Testing table can comprise former and later two main stage bodies or plural main stage body, to test the multi-wheeler of more than diaxon and diaxon; Each single-wheel stage body of taking turns correspondence can be separated with between centers gearing or combine and realize independence or linkage test respectively; Each single-wheel stage body mainly comprises cylinder 1, sensor 2, motor 3, motor synchronous device 4, flywheel synchronization device 5, flywheel clutch device 6, cylinder synchronous device 7, interlock arrangement of clutch 8, flywheel group 10; Between centers gearing mainly comprises reverse drive gear 9, transmission shaft 13, drive sleeve 14, between centers synchronous device 15; Stacked cover board arrangement mainly comprises lower cover 16, cover plate 17, upper cover plate 18, lower cover support post 19, cover plate support post 20, stacked cover board arrangement is placed between forward and backward main stage body, when automobile sail into, roll testing table away from time, play a supporting role, be convenient to vehicles while passing stage body.
2. a kind of vehicle active safety and dynamic property multi-function test stand according to claim 1, it is characterized in that, by controlling the interlock bonding state of the arrangement of clutch 8 and motion state of motor 3, the two-wheeled interlock of single shaft left and right can be realized respectively and carry out that monolateral test is carried out in two-wheeled interlock before and after uniaxial test, homonymy, diagonal angle test is carried out in two-wheeled interlock in diagonal angle or need to realize the synchronous interaction of any number of wheel in test vehicle according to test.
3. a kind of vehicle active safety and dynamic property multi-function test stand according to claim 1, it is characterized in that, synchronous rotary and axial stretching can be realized by the device that slides axially between transmission shaft 13 and drive sleeve 14, two looper drive shafts 13 of parallel placement and drive sleeve 14, the axial stretching amount of between centers gearing is made to be the axial stretching amount sum of two groups of transmission shafts 13 and drive sleeve 14, add the regulated quantity of forward and backward main stage body, to meet the requirement of different vehicle wheelbase, adapt to the needs of various vehicle performance test.
4. a kind of vehicle active safety and dynamic property multi-function test stand according to claim 1, it is characterized in that, lower cover 16 is connected on front main stage body and lower cover support post 19 respectively; Cover plate 17 is placed on lower cover 16, can mutually slide, and cover plate 17 is connected on cover plate support post 20, and cover plate support post 20 is supported on guide rail 11, and can slide on guide rail 11; Upper cover plate 18 is placed in cover plate 17 and also can slides in the above, upper cover plate 18 is fixedly mounted on rear main stage body 21, rear main stage body is placed on guide rail 11, and by drive unit at slide on rails, the spacing realizing front main stage body 12 and rear main stage body 21 regulates, to meet the requirement of different vehicle wheelbase, adapt to the needs of various vehicle performance test.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410550588.8A CN104792541A (en) | 2014-10-17 | 2014-10-17 | Vehicle active safety and dynamic performance comprehensive test bench |
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| CN201410550588.8A CN104792541A (en) | 2014-10-17 | 2014-10-17 | Vehicle active safety and dynamic performance comprehensive test bench |
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| CN112781895A (en) * | 2021-02-02 | 2021-05-11 | 山东正能汽车检测装备有限公司 | Integrated automobile emission and automobile comprehensive safety performance inspection platform |
| CN112798299A (en) * | 2021-02-02 | 2021-05-14 | 山东正能汽车检测装备有限公司 | Automobile emission and automobile comprehensive safety inspection method |
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Application publication date: 20150722 |