CN101886982A - Multifunctional vehicle dynamics dynamical characteristic test bed with loading device - Google Patents
Multifunctional vehicle dynamics dynamical characteristic test bed with loading device Download PDFInfo
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Abstract
The invention discloses a multifunctional vehicle dynamics dynamical characteristic test bed with a loading device, comprising a rotary encoder, a torque motor, a longitudinal guide rail, a horizontal guide rail, a rotating disc, an outer rotor motor, a force sensor and a torque sensor, a rotary drum, a tyre flange, a horizontal loading hydraulic cylinder with the force sensor, a horizontal loading matching hydraulic cylinder with the force sensor, a vertical loading hydraulic cylinder with the force sensor, an angle sensor, a loading bracket, a rotating speed sensor, a centering roller lifter, a centering roller, a motor, a measurement and control system, and the like. The invention can be used for exerting longitudinal force and vertical force on vehicle wheels and loading horizontal force and aligning resistance torque at the same time, simulating the turning driving of a vehicle by turning the vehicle wheels with the rotary drum together, measuring the turning angles of the vehicle wheels, better simulating the actual driving work conditions of the vehicle and realizing the comprehensive research of integral vehicle dynamics, and provides the vehicle dynamics test bed which has better performance.
Description
Technical field
The present invention relates to a kind of car dynamics test platform, relate in particular to a kind of multifunctional vehicle dynamics testing table with charger.
Background technology
Whole vehicle dynamics mainly comprises vertical dynamics, horizontal dynamic and vertical dynamics.Mainly contain vehicle road test, Computer Simulation and bench test about dynamics of vehicle test and the method that research institute adopts at present.Vehicle road test needs big test site, and the testing cost height.Computer emulation method need be set up vehicle and parts mathematical model thereof, and needs verification experimental verification.The bench test method has overcome the defective of vehicle road test and computer emulation method to a great extent, in dynamics of vehicle test and research, be used widely, but present car dynamics test platform is not seen the testing table that has vertical, horizontal and vertical dynamics dynamical characteristic test and research function simultaneously based on vertical dynamics, horizontal dynamic or vertical dynamic (dynamical) test and research.
Summary of the invention
The present invention is directed to the existing in prior technology deficiency, propose a kind ofly can be used for the multifunctional vehicle dynamics dynamical characteristic test bed of vertical, horizontal and vertical dynamic characterization measurement and research simultaneously.
The present invention realizes by following technical measures: a kind of multifunctional vehicle dynamics dynamical characteristic test bed with charger, two centering rollers are respectively by two groups of centering roller bracket supportings, centering roller bracket and rolling stand are hinged, two groups of centering roller brackets can be synchronized with the movement under the effect of centering roller lifter, centering roller lifter two ends are hinged with rolling stand and centering roller bracket respectively, code-disc is fixedlyed connected with the rotor of external rotor electric machine, speed probe is fixed on the drum shaft, rotary encoder is fixedly mounted on the motor slide block, the axle head of rotary encoder connects with output shaft one end of torque motor by being with synchronously, the output shaft other end of torque motor is equipped with axle sleeve, motor slide block inboard by Bearing Installation on axle sleeve, baffle ring carries out axial location to bearing, axle sleeve connects with rotating disk by torque sensor, motor slide block and longitudinal rail cooperate, longitudinally guide rail is free to slide, vertical layout is installed between longitudinal rail and the cross slide way, longitudinal rail can be free to slide along cross slide way, cross slide way and fixing square plate are connected, but be circular layout and the free rolling steel ball in the middle of fixing square plate and the rotating disk, steel ball is placed in the circular hole of steel ball fixed mount, rotating disk can be done plane motion along the end face of fixing square plate, be fixed with rolling stand on the rotating disk, rolling stand is fixedlyed connected with drum shaft, drum shaft is fixedlyed connected with the stator of external rotor electric machine, the rotor of external rotor electric machine is connected with cylinder with torque sensor by power, be installed with the loading support on the rotating disk, load the vertical loading hydraulic cylinder that angular transducer and band force transducer are installed on the support, the vertical loading hydraulic cylinder of band force transducer can rotate and can move along the guide rail that loads on the support around self axis, the other end of the vertical loading hydraulic cylinder of band force transducer and the horizontal loading hydraulic cylinder of band force transducer, tire support connects firmly, tire support is connected with the tire flange by force transducer, the horizontal loading hydraulic cylinder other end of band force transducer is hinged by angular displacement sensor and leading screw slide block, the leading screw slide block is installed on the leading screw, one end of leading screw is equipped with the leading screw bearing of band angular transducer, the other end of leading screw and motor connect, motor is installed on the motor bearing, displacement transducer is installed on the piston of the horizontal loading hydraulic cylinder of being with force transducer, the horizontal loading hydraulic cylinder cylinder body and the hydraulic cylinder pallet of band force transducer are connected, but the free rolling hydraulic cylinder is installed between hydraulic cylinder pallet and the hydraulic cylinder base for supporting supports steel ball, hydraulic cylinder support steel ball is installed in the circular hole of hydraulic cylinder support steel ball fixed mount, the horizontal loading matching fluid cylinder pressure of band force transducer is hinged with loading support lower end, the other end of the horizontal loading matching fluid cylinder pressure of band force transducer is hinged with coupling leading screw slide block by the matching angle displacement transducer, coupling leading screw slide block is installed on the coupling leading screw, one end of coupling leading screw is equipped with the coupling leading screw bearing of band angular transducer, the other end of coupling leading screw connects with the coupling motor, the coupling motor is installed on the coupling motor bearing, the match bit displacement sensor is installed on the piston of the horizontal loading matching fluid cylinder pressure of being with force transducer, the horizontal loading coupling hydraulic cylinder body and the matching fluid cylinder pressure pallet of band force transducer are connected, but free rolling matching fluid cylinder pressure is installed between matching fluid cylinder pressure pallet and the matching fluid cylinder pressure base for supporting supports steel ball, matching fluid cylinder pressure support steel ball is installed in the circular hole of matching fluid cylinder pressure support steel ball fixed mount, rotary encoder, torque motor, torque sensor, external rotor electric machine, power and torque sensor, force transducer, displacement transducer, angular displacement sensor, the horizontal loading hydraulic cylinder of band force transducer, the vertical loading hydraulic cylinder of band force transducer, angular transducer, speed probe, the horizontal loading matching fluid cylinder pressure of band force transducer, the match bit displacement sensor, the matching angle displacement transducer, centering roller lifter, the coupling leading screw bearing of band angular displacement sensor, the coupling motor, the leading screw bearing of band angular displacement sensor, motor all is electrically connected with TT﹠C system.
The invention has the beneficial effects as follows: use the present invention can when wheel is applied longitudinal force, vertical force, carry out the loading of transverse force and time active draft square, wheel can turn to together with cylinder, the turning driving of simulating vehicle, and can measure wheel turning angle, vehicle actual travel operating mode is better simulated, realize comprehensive research of Full Vehicle Dynamics, provide a kind of performance more excellent car dynamics test platform.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a front view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a vertical view of the present invention.
Among the figure: the 1-rotary encoder, 2-is with synchronously, the 3-torque motor, the 4-baffle ring, 5-bearing, 6-motor slide block, the 7-axle sleeve, 8-longitudinal rail, 9-cross slide way, 10-fixes square plate, the 11-steel ball, 12-steel ball fixed mount, 13-rotating disk, the 14-torque sensor, the 15-rolling stand, 16-drum shaft, 17-external rotor electric machine, 18-power and torque sensor, the 19-cylinder, 20-tire flange, 21-force transducer, 22-hydraulic cylinder base for supporting, the 23-hydraulic cylinder supports the steel ball fixed mount, and the 24-hydraulic cylinder supports steel ball, 25-hydraulic cylinder pallet, the 26-displacement transducer, the 27-angular displacement sensor, the horizontal loading hydraulic cylinder of 28-band force transducer, the vertical loading hydraulic cylinder of 29-band force transducer, the 30-angular transducer, 31-loads support, 32-tire support, 33-TT﹠C system, the 34-code-disc, the 35-speed probe, the horizontal loading matching fluid cylinder pressure of 36-band force transducer, 37-match bit displacement sensor, 38-matching angle displacement transducer, 39-matching fluid cylinder pressure pallet, 40-matching fluid cylinder pressure supports steel ball, and 41-matching fluid cylinder pressure supports the steel ball fixed mount, 42-matching fluid cylinder pressure base for supporting, 43,44-centering roller bracket, 45-centering roller lifter, the coupling leading screw bearing of 46-band angular displacement sensor, 47-coupling leading screw slide block, 48-mates electric machine support, and 49-mates motor, 50,55-centering roller, the leading screw bearing of 51-band angular displacement sensor, 52-leading screw slide block, 53-electric machine support, 54-motor, the 56-leading screw, 57-mates leading screw.
Embodiment
For clearly demonstrating the technical characterstic of this programme,, and in conjunction with the accompanying drawings, this programme is set forth below by an embodiment.
A kind of multifunctional vehicle dynamics dynamical characteristic test bed with charger, by rotary encoder 1, be with 2 synchronously, torque motor 3, baffle ring 4, bearing 5, motor slide block 6, axle sleeve 7, longitudinal rail 8, cross slide way 9, fixing square plate 10, steel ball 11, steel ball fixed mount 12, rotating disk 13, torque sensor 14, rolling stand 15, drum shaft 16, external rotor electric machine 17, power and torque sensor 18, cylinder 19, tire flange 20, force transducer 21, hydraulic cylinder base for supporting 22, hydraulic cylinder supports steel ball fixed mount 23, hydraulic cylinder supports steel ball 24, hydraulic cylinder pallet 25, hydraulic cylinder displacement transducer 26, hydraulic cylinder angular displacement sensor 27, the horizontal loading hydraulic cylinder 28 of band force transducer, the vertical loading hydraulic cylinder 29 of band force transducer, angular transducer 30, load support 31, tire support 32, TT﹠C system 33, code-disc 34, speed probe 35, the horizontal loading matching fluid cylinder pressure 36 of band force transducer, matching fluid cylinder pressure displacement transducer 37, matching fluid cylinder pressure angular displacement sensor 38, matching fluid cylinder pressure pallet 39, the matching fluid cylinder pressure supports steel ball 40, the matching fluid cylinder pressure supports steel ball fixed mount 41, matching fluid cylinder pressure base for supporting 42, centering roller bracket 43 and 44, centering roller lifter 45, the coupling leading screw bearing 46 of band angular displacement sensor, coupling leading screw slide block 47, coupling electric machine support 48, coupling motor 49, the leading screw bearing 51 of band angular displacement sensor, leading screw slide block 52, electric machine support 53, motor 54, centering roller 50 and 55, leading screw 56 and coupling leading screw 57 are formed, centering roller 50,55 respectively by centering roller bracket 44,43 supportings, centering roller bracket 43,44 is hinged with rolling stand 15, centering roller bracket 43,44 can be synchronized with the movement under 45 effects of centering roller lifter, centering roller lifter 45 two ends respectively with rolling stand 15, centering roller bracket 44 is hinged, code-disc 34 is fixedlyed connected with the rotor of external rotor electric machine 17, speed probe 35 is fixed on the drum shaft 16, rotary encoder 1 is fixedly mounted on the motor slide block 6, the axle head of rotary encoder 1 is by connecting with output shaft one end of torque motor 3 with 2 synchronously, the output shaft other end of torque motor 3 is equipped with axle sleeve 7, motor slide block 6 inboards are installed on the axle sleeve 7 by bearing 5,4 pairs of bearings of baffle ring 5 carry out axial location, axle sleeve 7 connects with rotating disk 13 by torque sensor 14, motor slide block 6 and longitudinal rail 8 cooperate, longitudinally guide rail 8 is free to slide, vertical layout is installed between longitudinal rail 8 and the cross slide way 9, longitudinal rail 8 can be free to slide along cross slide way 9, cross slide way 9 and fixing square plate 10 are connected, but fixing square plate 10 and rotating disk 13 middle being circular layout and free rolling steel ball 11, steel ball 11 is placed in the circular hole of steel ball fixed mount 12, rotating disk 13 can be done plane motion along the end face of fixing square plate 10, be fixed with rolling stand 15 on the rotating disk 13, rolling stand 15 is fixedlyed connected with drum shaft 16, drum shaft 16 is fixedlyed connected with the stator of external rotor electric machine 17, the rotor of external rotor electric machine 17 is connected with cylinder 19 with torque sensor 18 by power, be installed with on the rotating disk 13 and load support 31, load the vertical loading hydraulic cylinder 29 that angular transducer 30 and band force transducer are installed on the support 31, the vertical loading hydraulic cylinder 29 of band force transducer can rotate and can move along the guide rail that loads on the support 31 around self axis, the other end of the vertical loading hydraulic cylinder 29 of band force transducer and the horizontal loading hydraulic cylinder 28 of band force transducer, tire support 32 connects firmly, tire support 32 is connected with tire flange 20 by force transducer 21, the horizontal loading hydraulic cylinder other end 28 of band force transducer is hinged by angular displacement sensor 27 and leading screw slide block 52, leading screw slide block 52 is installed on the leading screw 56, one end of leading screw 56 is equipped with the leading screw bearing 51 of band angular transducer, the other end of leading screw 56 and motor 54 connect, motor 54 is installed on the motor bearing 53, displacement transducer 26 is installed on the piston of the horizontal loading hydraulic cylinder 28 of being with force transducer, horizontal loading hydraulic cylinder 28 cylinder bodies and the hydraulic cylinder pallet 25 of band force transducer are connected, but the free rolling hydraulic cylinder is installed between hydraulic cylinder pallet 25 and the hydraulic cylinder base for supporting 22 supports steel ball 24, hydraulic cylinder support steel ball 24 is installed in the circular hole of hydraulic cylinder support steel ball fixed mount 23, the horizontal loading matching fluid cylinder pressure 36 of band force transducer is hinged with loading support 31 lower ends, the other end of the horizontal loading matching fluid cylinder pressure 36 of band force transducer is hinged with coupling leading screw slide block 47 by matching angle displacement transducer 38, coupling leading screw slide block 47 is installed on the coupling leading screw 57, one end of coupling leading screw 57 is equipped with the coupling leading screw bearing 46 of band angular transducer, the other end of coupling leading screw 57 connects with coupling motor 49, coupling motor 49 is installed on the coupling motor bearing 48, match bit displacement sensor 37 is installed on the piston of the horizontal loading matching fluid cylinder pressure 36 of being with force transducer, horizontal loading matching fluid cylinder pressure 36 cylinder bodies and the matching fluid cylinder pressure pallet 39 of band force transducer are connected, but free rolling matching fluid cylinder pressure is installed between matching fluid cylinder pressure pallet 39 and the matching fluid cylinder pressure base for supporting 42 supports steel ball 40, matching fluid cylinder pressure support steel ball 40 is installed in the circular hole of matching fluid cylinder pressure support steel ball fixed mount 41, rotary encoder 1, torque motor 3, torque sensor 14, external rotor electric machine 17, power and torque sensor 18, force transducer 21, displacement transducer 26, angular displacement sensor 27, the horizontal loading hydraulic cylinder 28 of band force transducer, the vertical loading hydraulic cylinder 29 of band force transducer, angular transducer 30, speed probe 35, the horizontal loading matching fluid cylinder pressure 36 of band force transducer, match bit displacement sensor 37, matching angle displacement transducer 38, centering roller lifter 45, the coupling leading screw bearing 46 of band angular displacement sensor, coupling motor 49, the leading screw bearing 51 of band angular displacement sensor, motor 54 all is electrically connected with TT﹠C system 33.
During test, the wheel of tested vehicle is placed on the cylinder 19, TT﹠C system 33 realizes wheels centering on cylinder 19 by centering roller lifter 45 and wheel centering roller 50,55, and wheel and cylinder 19 turn to rotating disk 13 when rotating steering wheel for vehicle; Produce the moment of resistance, time active draft square that the simulation wheel is suffered according to rotary encoder 1 and torque sensor 15 control moment motors 3; Produce cylinder turning moment, the longitudinal force that simulating vehicle is suffered according to power and torque sensor 18, speed probe 35 control external rotor electric machines 17; Vertical loading hydraulic cylinder 29 according to angular transducer 30 control band force transducers produces the vertical load that wheel is subjected to, the vertical force that simulating vehicle is suffered; Horizontal loading hydraulic cylinder 28 according to force transducer 21 control band force transducers produces the wheel transverse force, measure the axial internal clearance of the horizontal loading hydraulic cylinder 28 of band force transducer according to displacement transducer 26, measure the rotational angle of the horizontal loading hydraulic cylinder 28 of band force transducer according to angular displacement sensor 27, control motor 54 drives leading screw 56 and rotates, the horizontal loading hydraulic cylinder 28 that drives the band force transducer by leading screw slide block 52 slides along leading screw 56, guarantee that transverse force is perpendicular to the wheel profile, measure the axial internal clearance of the horizontal loading matching fluid cylinder pressure 36 of band force transducer according to coupling power displacement transducer 37, measure the rotational angle of the horizontal loading matching fluid cylinder pressure 36 of band force transducer according to matching angle displacement transducer 38, control coupling motor 49 drives coupling leading screw 57 and rotates, the horizontal loading matching fluid cylinder pressure 36 that drives the band force transducer by coupling leading screw slide block 47 slides along coupling leading screw 57, guarantee the transverse force that the horizontal loading hydraulic cylinder 28 with the horizontal loading matching fluid cylinder pressure 36 compensating band force transducers of force transducer produces, the transverse force that the co-simulation vehicle is suffered; Above-mentioned wheel returns active draft square, longitudinal direction of car power, vehicle vertical force and lateral direction of car power and can apply simultaneously.In the process of the test, TT﹠C system 33 is measured wheel steering angle, angular velocity by rotary encoder 1; By the moment of resistance in the torque sensor 14 measurement wheel steering processes; Measure the tyre load size by the force transducer in the vertical loading hydraulic cylinder 29 of band force transducer; Measure the transverse force of wheels when the different corner by force transducer 21, rotary encoder 1, angular transducer 30; Measure wheel drive or braking moment by power and torque sensor 18; Measure cylinder 22 rotational speeies by speed probe 35.Thereby the realization car load is vertical, vertical and comprehensive research of horizontal dynamic.
Claims (3)
1. multifunctional vehicle dynamics dynamical characteristic test bed with charger, by rotary encoder [1], be with synchronously [2], torque motor [3], baffle ring [4], bearing [5], motor slide block [6], axle sleeve [7], longitudinal rail [8], cross slide way [9], fixing square plate [10], steel ball [11], steel ball fixed mount [12], rotating disk [13], torque sensor [14], rolling stand [15], drum shaft [16], external rotor electric machine [17], power and torque sensor [18], cylinder [19], tire flange [20], force transducer [21], hydraulic cylinder base for supporting [22], hydraulic cylinder supports steel ball fixed mount [23], hydraulic cylinder supports steel ball [24], hydraulic cylinder pallet [25], hydraulic cylinder displacement transducer [26], hydraulic cylinder angular displacement sensor [27], the horizontal loading hydraulic cylinder [28] of band force transducer, the vertical loading hydraulic cylinder [29] of band force transducer, angular transducer [30], load support [31], tire support [32], TT﹠C system [33], code-disc [34], speed probe [35], the horizontal loading matching fluid cylinder pressure [36] of band force transducer, matching fluid cylinder pressure displacement transducer [37], matching fluid cylinder pressure angular displacement sensor [38], matching fluid cylinder pressure pallet [39], the matching fluid cylinder pressure supports steel ball [40], the matching fluid cylinder pressure supports steel ball fixed mount [41], matching fluid cylinder pressure base for supporting [42], centering roller bracket [43] and [44], centering roller lifter [45], the coupling leading screw bearing [46] of band angular displacement sensor, coupling leading screw slide block [47], coupling electric machine support [48], coupling motor [49], the leading screw bearing [51] of band angular displacement sensor, leading screw slide block [52], electric machine support [53], motor [54], centering roller [50] and [55], leading screw [56] and coupling leading screw [57] are formed, centering roller [50], [55] respectively by centering roller bracket [44], [43] supporting, centering roller bracket [43], [44] hinged with rolling stand [15], centering roller bracket [43], [44] can under centering roller lifter [45] effect, be synchronized with the movement, centering roller lifter [45] two ends respectively with rolling stand [15], centering roller bracket [44] is hinged, code-disc [34] is fixedlyed connected with the rotor of external rotor electric machine [17], speed probe [35] is fixed on the drum shaft [16], rotary encoder [1] is fixedly mounted on the motor slide block [6], the axle head of rotary encoder [1] connects with output shaft one end of torque motor [3] by being with [2] synchronously, the output shaft other end of torque motor [3] is equipped with axle sleeve [7], motor slide block [6] is inboard to be installed on the axle sleeve [7] by bearing [5], baffle ring [4] carries out axial location to bearing [5], axle sleeve [7] connects with rotating disk [13] by torque sensor [14], motor slide block [6] and longitudinal rail [8] cooperate, longitudinally guide rail [8] is free to slide, vertical layout is installed between longitudinal rail [8] and the cross slide way [9], longitudinal rail [8] can be free to slide along cross slide way [9], cross slide way [9] and fixing square plate [10] are connected, fix square plate [10] and rotating disk [13] but middle being circular layout and free rolling steel ball [11], steel ball [11] is placed in the circular hole of steel ball fixed mount [12], rotating disk [13] can be done plane motion along the end face of fixing square plate [10], be fixed with rolling stand [15] on the rotating disk [13], rolling stand [15] is fixedlyed connected with drum shaft [16], drum shaft [16] is fixedlyed connected with the stator of external rotor electric machine [17], the rotor of external rotor electric machine [17] is connected with cylinder [19] with torque sensor [18] by power, it is characterized in that, be installed with on the rotating disk [13] and load support [31], load the vertical loading hydraulic cylinder [29] that angular transducer [30] and band force transducer are installed on the support [31], the vertical loading hydraulic cylinder [29] of band force transducer can rotate and can move along the guide rail that loads on the support [31] around self axis, the other end of the vertical loading hydraulic cylinder [29] of band force transducer and the horizontal loading hydraulic cylinder [28] of band force transducer, tire support [32] connects firmly, tire support [32] is connected with tire flange [20] by force transducer [21], the horizontal loading hydraulic cylinder other end [28] of band force transducer is hinged by angular displacement sensor [27] and leading screw slide block [52], leading screw slide block [52] is installed on the leading screw [56], one end of leading screw [56] is equipped with the leading screw bearing [51] of band angular transducer, the other end of leading screw [56] and motor [54] connect, motor [54] is installed on the motor bearing [53], displacement transducer [26] is installed on the piston of the horizontal loading hydraulic cylinder [28] of being with force transducer, horizontal loading hydraulic cylinder [28] cylinder body and the hydraulic cylinder pallet [25] of band force transducer are connected, hydraulic cylinder pallet [25] and hydraulic cylinder base for supporting [22] but between the free rolling hydraulic cylinder be installed support steel ball [24], hydraulic cylinder support steel ball [24] is installed in the circular hole of hydraulic cylinder support steel ball fixed mount [23], the horizontal loading matching fluid cylinder pressure [36] of band force transducer is hinged with loading support [31] lower end, the other end of the horizontal loading matching fluid cylinder pressure [36] of band force transducer is hinged with coupling leading screw slide block [47] by matching angle displacement transducer [38], coupling leading screw slide block [47] is installed on the coupling leading screw [57], one end of coupling leading screw [57] is equipped with the coupling leading screw bearing [46] of band angular transducer, the other end of coupling leading screw [57] connects with coupling motor [49], coupling motor [49] is installed on the coupling motor bearing [48], match bit displacement sensor [37] is installed on the piston of the horizontal loading matching fluid cylinder pressure [36] of being with force transducer, horizontal loading matching fluid cylinder pressure [36] cylinder body and the matching fluid cylinder pressure pallet [39] of band force transducer are connected, matching fluid cylinder pressure pallet [39] and matching fluid cylinder pressure base for supporting [42] but between free rolling matching fluid cylinder pressure be installed support steel ball [40], matching fluid cylinder pressure support steel ball [40] is installed in the circular hole of matching fluid cylinder pressure support steel ball fixed mount [41], rotary encoder [1], torque motor [3], torque sensor [14], external rotor electric machine [17], power and torque sensor [18], force transducer [21], displacement transducer [26], angular displacement sensor [27], the horizontal loading hydraulic cylinder [28] of band force transducer, the vertical loading hydraulic cylinder [29] of band force transducer, angular transducer [30], speed probe [35], the horizontal loading matching fluid cylinder pressure [36] of band force transducer, match bit displacement sensor [37], matching angle displacement transducer [38], centering roller lifter [45], the coupling leading screw bearing [46] of band angular displacement sensor, coupling motor [49], the leading screw bearing [51] of band angular displacement sensor, motor [54] all is electrically connected with TT﹠C system [33].
2. a kind of multifunctional vehicle dynamics dynamical characteristic test bed with charger as claimed in claim 1, it is characterized in that, TT﹠C system [33] produces the wheel transverse force according to the horizontal loading hydraulic cylinder [28] of force transducer [21] control band force transducer, measure the axial internal clearance of the horizontal loading hydraulic cylinder [28] of band force transducer according to displacement transducer [26], measure the rotational angle of the horizontal loading hydraulic cylinder [28] of band force transducer according to angular displacement sensor [27], control motor [54] drives leading screw [56] and rotates, the horizontal loading hydraulic cylinder [28] that drives the band force transducer by leading screw slide block [52] slides along leading screw [56], guarantees that transverse force is perpendicular to the wheel profile; TT﹠C system [33] is measured the axial internal clearance of the horizontal loading matching fluid cylinder pressure [36] of band force transducer according to coupling power displacement transducer [37], measure the rotational angle of the horizontal loading matching fluid cylinder pressure [36] of band force transducer according to matching angle displacement transducer [38], control coupling motor [49] drives coupling leading screw [57] and rotates, the horizontal loading matching fluid cylinder pressure [36] that drives the band force transducer by coupling leading screw slide block [47] slides along coupling leading screw [57], guarantee the transverse force that the horizontal loading hydraulic cylinder [28] with horizontal loading matching fluid cylinder pressure [36] the compensating band force transducer of force transducer produces, the transverse force that the co-simulation vehicle is suffered.
3. as claim 1,2 described a kind of multifunctional vehicle dynamics dynamical characteristic test bed with charger, it is characterized in that, TT﹠C system [33] produces the moment of resistance according to rotary encoder [1] and torque sensor [15] control moment motor [3], time active draft square that the simulation wheel is suffered; Produce cylinder turning moment, the longitudinal force that simulating vehicle is suffered according to power and torque sensor [18], speed probe [35] control external rotor electric machine [17]; Vertical loading hydraulic cylinder [29] according to angular transducer [30] control band force transducer produces the vertical load that wheel is subjected to, the vertical force that simulating vehicle is suffered; Horizontal loading hydraulic cylinder [28] according to force transducer [21] control band force transducer produces the wheel transverse force, measure the axial internal clearance of the horizontal loading hydraulic cylinder [28] of band force transducer according to displacement transducer [26], measure the rotational angle of the horizontal loading hydraulic cylinder [28] of band force transducer according to angular displacement sensor [27], control motor [54] drives leading screw [56] and rotates, the horizontal loading hydraulic cylinder [28] that drives the band force transducer by leading screw slide block [52] slides along leading screw [56], guarantee that transverse force is perpendicular to the wheel profile, measure the axial internal clearance of the horizontal loading matching fluid cylinder pressure [36] of band force transducer according to coupling power displacement transducer [37], measure the rotational angle of the horizontal loading matching fluid cylinder pressure [36] of band force transducer according to matching angle displacement transducer [38], control coupling motor [49] drives coupling leading screw [57] and rotates, the horizontal loading matching fluid cylinder pressure [36] that drives the band force transducer by coupling leading screw slide block [47] slides along coupling leading screw [57], guarantee the transverse force that the horizontal loading hydraulic cylinder [28] with horizontal loading matching fluid cylinder pressure [36] the compensating band force transducer of force transducer produces, the transverse force that the co-simulation vehicle is suffered; Above-mentioned wheel returns active draft square, longitudinal direction of car power, vehicle vertical force and lateral direction of car power and can apply simultaneously.
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