CN101886982B - 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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- CN101886982B CN101886982B CN 201010212870 CN201010212870A CN101886982B CN 101886982 B CN101886982 B CN 101886982B CN 201010212870 CN201010212870 CN 201010212870 CN 201010212870 A CN201010212870 A CN 201010212870A CN 101886982 B CN101886982 B CN 101886982B
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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 longitudinal 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 large test site, and testing cost is high.Computer emulation method need be set up vehicle and parts mathematical model thereof, and needs verification experimental verification.Bench test methods 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 take the test of longitudinal dynamics, horizontal dynamic or vertical dynamics and research as main, has no to have simultaneously vertically, laterally and the testing table of vertical dynamics dynamic characteristic test and research function.
Summary of the invention
The present invention is directed to the existing deficiency of prior art, propose a kind ofly can be simultaneously to be used for vertically, laterally and vertical dynamics characteristic test and research multifunctional vehicle dynamics dynamical characteristic test bed.
The present invention realizes by following technical measures: a kind of multifunctional vehicle dynamics dynamical characteristic test bed with charger, the first centering roller, the second centering roller is respectively by the second centering roller bracket, the supporting of the first centering roller bracket, the first centering roller bracket, the second centering roller bracket and rolling stand are hinged, the first centering roller bracket, the second centering roller bracket can be synchronized with the movement under the effect of centering roller lifter, centering roller lifter two ends respectively with rolling stand, the second centering roller bracket is hinged, code-disc is fixedly 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 Timing Belt, the output shaft other end of torque motor is equipped with axle sleeve, motor slide block inboard is installed on the axle sleeve by bearing, 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 fixedly connected with drum shaft, drum shaft is fixedly connected with the stator of external rotor electric machine, the rotor of external rotor electric machine is connected with cylinder by the force and moment sensor, be installed with the loading support on the rotating disk, load and angular transducer to be installed and with the Plumb load hydraulic cylinder of power sensor on the support, Plumb load hydraulic cylinder with the power sensor can rotate and can move along the guide rail that loads on the support around self axis, with the other end of the Plumb load hydraulic cylinder of power sensor and horizontal loading hydraulic cylinder with the power sensor, tire support connects firmly, tire support is connected with the tire flange by the power sensor, the horizontal loading hydraulic cylinder other end with the power sensor is hinged by hydraulic cylinder angular displacement sensor and screw slider, screw slider is installed on the leading screw, one end of leading screw is equipped with the leading screw bearing with angular displacement sensor, the other end of leading screw and motor connect, motor is installed on the electric machine support, the hydraulic cylinder displacement transducer is installed on the piston with the horizontal loading hydraulic cylinder of power sensor, horizontal loading hydraulic cylinder cylinder body and hydraulic cylinder pallet with the power sensor 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, horizontal loading matching fluid cylinder pressure with the power sensor is hinged with loading support lower end, the other end with the horizontal loading matching fluid cylinder pressure of power sensor is hinged with the coupling screw slider by matching fluid cylinder pressure angular displacement sensor, the coupling screw slider is installed on the coupling leading screw, one end of coupling leading screw is equipped with the coupling leading screw bearing with angular displacement sensor, the other end of coupling leading screw connects with the coupling motor, the coupling motor is installed on the coupling electric machine support, matching fluid cylinder pressure displacement transducer is installed on the piston with the horizontal loading matching fluid cylinder pressure of power sensor, horizontal loading coupling hydraulic cylinder body and matching fluid cylinder pressure pallet with the power sensor 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, the force and moment sensor, the power sensor, the hydraulic cylinder displacement transducer, the hydraulic cylinder angular displacement sensor, horizontal loading hydraulic cylinder with the power sensor, Plumb load hydraulic cylinder with the power sensor, angular transducer, speed probe, horizontal loading matching fluid cylinder pressure with the power sensor, matching fluid cylinder pressure displacement transducer, matching fluid cylinder pressure angular displacement sensor, centering roller lifter, coupling leading screw bearing with angular displacement sensor, the coupling motor, leading screw bearing with 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, the vehicle Real-road Driving Cycle 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 front view of the present invention.
Fig. 2 is side view of the present invention.
Fig. 3 is vertical view of the present invention.
Among the figure: the 1-rotary encoder, the 2-Timing Belt, the 3-torque motor, the 4-baffle ring, the 5-bearing, 6-motor slide block, 7-axle sleeve, the 8-longitudinal rail, the 9-cross slide way, 10-fixes square plate, 11-steel ball, 12-steel ball fixed mount, the 13-rotating disk, 14-torque sensor, 15-rolling stand, the 16-drum shaft, the 17-external rotor electric machine, 18-force and moment sensor, 19-cylinder, 20-tire flange, 21-power sensor, 22-hydraulic cylinder base for supporting, the 23-hydraulic cylinder supports the steel ball fixed mount, the 24-hydraulic cylinder supports steel ball, 25-hydraulic cylinder pallet, 26-hydraulic cylinder displacement transducer, 27-hydraulic cylinder angular displacement sensor, 28-is with the horizontal loading hydraulic cylinder of power sensor, 29-is with the Plumb load hydraulic cylinder of power sensor, the 30-angular transducer, and 31-loads support, the 32-tire support, the 33-TT﹠C system, 34-code-disc, 35-speed probe, 36-is with the horizontal loading matching fluid cylinder pressure of power sensor, 37-matching fluid cylinder pressure displacement transducer, 38-matching fluid cylinder pressure angular displacement sensor, 39-matching fluid cylinder pressure pallet, 40-matching fluid cylinder pressure supports steel ball, 41-matching fluid cylinder pressure supports steel ball fixed mount, 42-matching fluid cylinder pressure base for supporting, 43-the first centering roller bracket, 44-the second centering roller bracket, 45-centering roller lifter, 46-is with the coupling leading screw bearing of angular displacement sensor, and 47-mates screw slider, 48-mates electric machine support, 49-mates motor, 50-the first centering roller, 55-the second centering roller, 51-is with the leading screw bearing of angular displacement sensor, the 52-screw slider, 53-electric machine support, 54-motor, the 56-leading screw, 57-mates leading screw.
Embodiment
For clearly demonstrating the technical characterstic of this programme, below by an embodiment, and by reference to the accompanying drawings, this programme is set forth.
A kind of multifunctional vehicle dynamics dynamical characteristic test bed with charger, by rotary encoder 1, Timing Belt 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, force and moment sensor 18, cylinder 19, tire flange 20, power sensor 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, horizontal loading hydraulic cylinder 28 with the power sensor, Plumb load hydraulic cylinder 29 with the power sensor, angular transducer 30, load support 31, tire support 32, TT﹠C system 33, code-disc 34, speed probe 35, horizontal loading matching fluid cylinder pressure 36 with the power sensor, 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, the first centering roller bracket 43 and the second centering roller bracket 44, centering roller lifter 45, coupling leading screw bearing 46 with angular displacement sensor, coupling screw slider 47, coupling electric machine support 48, coupling motor 49, leading screw bearing 51 with angular displacement sensor, screw slider 52, electric machine support 53, motor 54, the first centering roller 50 and the second centering roller 55, leading screw 56 and coupling leading screw 57 form, the first centering roller 50, the second centering roller 55 is respectively by the second centering roller bracket 44,43 supportings of the first centering roller bracket, the first centering roller bracket 43, the second centering roller bracket 44 is hinged with rolling stand 15, the first centering roller bracket 43, the second centering roller bracket 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, the second centering roller bracket 44 is hinged, code-disc 34 is fixedly 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 Timing Belt 2, 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 fixedly connected with drum shaft 16, drum shaft 16 is fixedly connected with the stator of external rotor electric machine 17, the rotor of external rotor electric machine 17 is connected with cylinder 19 by force and moment sensor 18, be installed with on the rotating disk 13 and load support 31, load and angular transducer 30 to be installed and with the Plumb load hydraulic cylinder 29 of power sensor on the support 31, Plumb load hydraulic cylinder 29 with the power sensor can rotate and can move along the guide rail that loads on the support 31 around self axis, with the other end of the Plumb load hydraulic cylinder 29 of power sensor and horizontal loading hydraulic cylinder 28 with the power sensor, tire support 32 connects firmly, tire support 32 is connected with tire flange 20 by power sensor 21, horizontal loading hydraulic cylinder 28 other ends with the power sensor are hinged by hydraulic cylinder angular displacement sensor 27 and screw slider 52, screw slider 52 is installed on the leading screw 56, one end of leading screw 56 is equipped with the leading screw bearing 51 with angular transducer, the other end of leading screw 56 and motor 54 connect, motor 54 is installed on the electric machine support 53, hydraulic cylinder displacement transducer 26 is installed on the piston with the horizontal loading hydraulic cylinder 28 of power sensor, horizontal loading hydraulic cylinder 28 cylinder bodies and hydraulic cylinder pallet 25 with the power sensor 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, horizontal loading matching fluid cylinder pressure 36 with the power sensor is hinged with loading support 31 lower ends, the other end with the horizontal loading matching fluid cylinder pressure 36 of power sensor is hinged with coupling screw slider 47 by matching fluid cylinder pressure angular displacement sensor 38, coupling screw slider 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 with angular transducer, the other end of coupling leading screw 57 connects with coupling motor 49, coupling motor 49 is installed on the coupling electric machine support 48, matching fluid cylinder pressure displacement transducer 37 is installed on the piston with the horizontal loading matching fluid cylinder pressure 36 of power sensor, horizontal loading matching fluid cylinder pressure 36 cylinder bodies and matching fluid cylinder pressure pallet 39 with the power sensor 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, force and moment sensor 18, power sensor 21, hydraulic cylinder displacement transducer 26, hydraulic cylinder angular displacement sensor 27, horizontal loading hydraulic cylinder 28 with the power sensor, Plumb load hydraulic cylinder 29 with the power sensor, angular transducer 30, speed probe 35, horizontal loading matching fluid cylinder pressure 36 with the power sensor, matching fluid cylinder pressure displacement transducer 37, matching fluid cylinder pressure angular displacement sensor 38, centering roller lifter 45, coupling leading screw bearing 46 with angular displacement sensor, coupling motor 49, leading screw bearing 51 with 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 simulating wheel is suffered according to rotary encoder 1 and torque sensor 15 control moment motors 3; Produce drum rotating moment, the longitudinal force that simulating vehicle is suffered according to force and moment sensor 18, speed probe 35 control external rotor electric machines 17; The Plumb load hydraulic cylinder 29 of controlling with the power sensor according to angular transducer 30 produces the vertical load that wheels are subject to, the vertical force that simulating vehicle is suffered; According to the horizontal loading hydraulic cylinder 28 generation wheel transverse forces of power sensor 21 controls with the power sensor, according to the axial internal clearance of hydraulic cylinder displacement transducer 26 measurements with the horizontal loading hydraulic cylinder 28 of power sensor, according to the rotational angle of hydraulic cylinder angular displacement sensor 27 measurements with the horizontal loading hydraulic cylinder 28 of power sensor, control motor 54 drives leading screw 56 and rotates, the horizontal loading hydraulic cylinder 28 that drives with the power sensor by screw slider 52 slides along leading screw 56, guarantee that transverse force is perpendicular to the wheel profile, according to the axial internal clearance of matching fluid cylinder pressure displacement transducer 37 measurements with the horizontal loading matching fluid cylinder pressure 36 of power sensor, according to the rotational angle of matching fluid cylinder pressure angular displacement sensor 38 measurements with the horizontal loading matching fluid cylinder pressure 36 of power sensor, control coupling motor 49 drives coupling leading screw 57 and rotates, the horizontal loading matching fluid cylinder pressure 36 that drives with the power sensor by coupling screw slider 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 power sensors of power sensor 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 steering angle of wheel, angular velocity by rotary encoder 1; By the moment of resistance in the torque sensor 14 measurement wheel steering processes; By measure the tyre load size with the power sensor in the Plumb load hydraulic cylinder 29 of power sensor; Measure the transverse force of wheels when the different corner by power sensor 21, rotary encoder 1, angular transducer 30; Measuring wheel by force and moment sensor 18 drives or braking moment; 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], Timing Belt [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], force and moment sensor [18], cylinder [19], tire flange [20], power sensor [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], horizontal loading hydraulic cylinder [28] with the power sensor, Plumb load hydraulic cylinder [29] with the power sensor, angular transducer [30], load support [31], tire support [32], TT﹠C system [33], code-disc [34], speed probe [35], horizontal loading matching fluid cylinder pressure [36] with the power sensor, 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], the first centering roller bracket [43] and the second centering roller bracket [44], centering roller lifter [45], coupling leading screw bearing [46] with angular displacement sensor, coupling screw slider [47], coupling electric machine support [48], coupling motor [49], leading screw bearing [51] with angular displacement sensor, screw slider [52], electric machine support [53], motor [54], the first centering roller [50] and the second centering roller [55], leading screw [56] and coupling leading screw [57] form, the first centering roller [50], the second centering roller [55] is respectively by the second centering roller bracket [44], the supporting of the first centering roller bracket [43], the first centering roller bracket [43], the second centering roller bracket [44] is hinged with rolling stand [15], the first centering roller bracket [43], the second centering roller bracket [44] can be synchronized with the movement under centering roller lifter [45] effect, centering roller lifter [45] two ends respectively with rolling stand [15], the second centering roller bracket [44] is hinged, code-disc [34] is fixedly 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 Timing Belt [2], 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] with 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 fixedly connected with drum shaft [16], drum shaft [16] is fixedly connected with the stator of external rotor electric machine [17], the rotor of external rotor electric machine [17] is connected with cylinder [19] by force and moment sensor [18], it is characterized in that, be installed with on the rotating disk [13] and load support [31], load and angular transducer [30] to be installed and with the Plumb load hydraulic cylinder [29] of power sensor on the support [31], Plumb load hydraulic cylinder [29] with the power sensor can rotate and can move along the guide rail that loads on the support [31] around self axis, with the other end of the Plumb load hydraulic cylinder [29] of power sensor and horizontal loading hydraulic cylinder [28] with the power sensor, tire support [32] connects firmly, tire support [32] is connected with tire flange [20] by power sensor [21], horizontal loading hydraulic cylinder [28] other end with the power sensor is hinged by hydraulic cylinder angular displacement sensor [27] and screw slider [52], screw slider [52] is installed on the leading screw [56], one end of leading screw [56] is equipped with the leading screw bearing [51] with angular displacement sensor, the other end of leading screw [56] and motor [54] connect, motor [54] is installed on the electric machine support [53], hydraulic cylinder displacement transducer [26] is installed on the piston with the horizontal loading hydraulic cylinder [28] of power sensor, horizontal loading hydraulic cylinder [28] cylinder body and hydraulic cylinder pallet [25] with the power sensor 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], horizontal loading matching fluid cylinder pressure [36] with the power sensor is hinged with loading support [31] lower end, the other end with the horizontal loading matching fluid cylinder pressure [36] of power sensor is hinged with coupling screw slider [47] by matching fluid cylinder pressure angular displacement sensor [38], coupling screw slider [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] with angular displacement sensor, the other end of coupling leading screw [57] connects with coupling motor [49], coupling motor [49] is installed on the coupling electric machine support [48], matching fluid cylinder pressure displacement transducer [37] is installed on the piston with the horizontal loading matching fluid cylinder pressure [36] of power sensor, horizontal loading matching fluid cylinder pressure [36] cylinder body and matching fluid cylinder pressure pallet [39] with the power sensor 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], force and moment sensor [18], power sensor [21], hydraulic cylinder displacement transducer [26], hydraulic cylinder angular displacement sensor [27], horizontal loading hydraulic cylinder [28] with the power sensor, Plumb load hydraulic cylinder [29] with the power sensor, angular transducer [30], speed probe [35], horizontal loading matching fluid cylinder pressure [36] with the power sensor, matching fluid cylinder pressure displacement transducer [37], matching fluid cylinder pressure angular displacement sensor [38], centering roller lifter [45], coupling leading screw bearing [46] with angular displacement sensor, coupling motor [49], leading screw bearing [51] with 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] is according to horizontal loading hydraulic cylinder [28] the generation wheel transverse force of power sensor [21] control with the power sensor, according to the axial internal clearance of hydraulic cylinder displacement transducer [26] measurement with the horizontal loading hydraulic cylinder [28] of power sensor, according to the rotational angle of hydraulic cylinder angular displacement sensor [27] measurement with the horizontal loading hydraulic cylinder [28] of power sensor, control motor [54] drives leading screw [56] and rotates, the horizontal loading hydraulic cylinder [28] that drives with the power sensor by screw slider [52] slides along leading screw [56], guarantees that transverse force is perpendicular to the wheel profile; TT﹠C system [33] is according to the axial internal clearance of matching fluid cylinder pressure displacement transducer [37] measurement with the horizontal loading matching fluid cylinder pressure [36] of power sensor, according to the rotational angle of matching fluid cylinder pressure angular displacement sensor [38] measurement with the horizontal loading matching fluid cylinder pressure [36] of power sensor, control coupling motor [49] drives coupling leading screw [57] and rotates, the horizontal loading matching fluid cylinder pressure [36] that drives with the power sensor by coupling screw slider [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 power sensor of power sensor produces, the transverse force that the co-simulation vehicle is suffered.
3. 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 moment of resistance according to rotary encoder [1] and torque sensor [15] control moment motor [3], time active draft square that simulating wheel is suffered; Produce drum rotating moment, the longitudinal force that simulating vehicle is suffered according to force and moment sensor [18], speed probe [35] control external rotor electric machine [17]; The Plumb load hydraulic cylinder [29] of controlling with the power sensor according to angular transducer [30] produces the vertical load that wheel is subject to, the vertical force that simulating vehicle is suffered; According to horizontal loading hydraulic cylinder [28] the generation wheel transverse force of power sensor [21] control with the power sensor, according to the axial internal clearance of hydraulic cylinder displacement transducer [26] measurement with the horizontal loading hydraulic cylinder [28] of power sensor, according to the rotational angle of hydraulic cylinder angular displacement sensor [27] measurement with the horizontal loading hydraulic cylinder [28] of power sensor, control motor [54] drives leading screw [56] and rotates, the horizontal loading hydraulic cylinder [28] that drives with the power sensor by screw slider [52] slides along leading screw [56], guarantee that transverse force is perpendicular to the wheel profile, according to the axial internal clearance of matching fluid cylinder pressure displacement transducer [37] measurement with the horizontal loading matching fluid cylinder pressure [36] of power sensor, according to the rotational angle of matching fluid cylinder pressure angular displacement sensor [38] measurement with the horizontal loading matching fluid cylinder pressure [36] of power sensor, control coupling motor [49] drives coupling leading screw [57] and rotates, the horizontal loading matching fluid cylinder pressure [36] that drives with the power sensor by coupling screw slider [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 power sensor of power sensor 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 applies simultaneously.
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| CN 201010212870 CN101886982B (en) | 2010-06-30 | 2010-06-30 | Multifunctional vehicle dynamics dynamical characteristic test bed with loading device |
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| US6799470B2 (en) * | 1987-02-04 | 2004-10-05 | Kabushiki Kaisha Haradakuni | Lateral force-measuring device for a wheel, lateral force-measuring method, and vehicle-inspecting system having the device |
| DE19704605C1 (en) * | 1997-02-07 | 1998-06-10 | Continental Ag | Force determination system for vehicle tyre profile elements |
| CN101666714B (en) * | 2009-09-28 | 2011-09-07 | 山东交通学院 | Automobile dynamics test bed with transverse loading function |
-
2010
- 2010-06-30 CN CN 201010212870 patent/CN101886982B/en not_active Expired - Fee Related
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| CN101886982A (en) | 2010-11-17 |
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