CN105277374B - A kind of Electric Motor Wheel with Plumb load function is comprehensive performance test bed - Google Patents

A kind of Electric Motor Wheel with Plumb load function is comprehensive performance test bed Download PDF

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Publication number
CN105277374B
CN105277374B CN201410257543.1A CN201410257543A CN105277374B CN 105277374 B CN105277374 B CN 105277374B CN 201410257543 A CN201410257543 A CN 201410257543A CN 105277374 B CN105277374 B CN 105277374B
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electric motor
stub
vertical loading
loading mechanism
vertical
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CN105277374A (en
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贺萍
董铸荣
韩承伟
潘浩
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Shenzhen Polytechnic
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Shenzhen Polytechnic
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Abstract

The invention discloses a kind of Electric Motor Wheel with Plumb load function is comprehensive performance test bed, including portal frame, stub frame and Vertical loading mechanism, stub frame are used to detachably install the Electric Motor Wheel to test;Vertical loading mechanism includes motor, the worm screw case provided with ball screw, bidirection press connector and pull pressure sensor;Portal frame crossbeam is provided with support, the worm screw case of Vertical loading mechanism is fixedly arranged on support, the motor of Vertical loading mechanism is arranged on support and is connected with the worm screw case of Vertical loading mechanism, the movable end of the ball screw of Vertical loading mechanism is inserted in one end of bidirection press connector, the other end connection pull pressure sensor of bidirection press connector, pull pressure sensor rotating shaft connects stub, and stub is connected with stub frame by needle bearing.By above-mentioned embodiment, the load mode control of vertical load of the present invention is simply, stably so that Vertical loading analog reslt is more accurate, is advantageous to the research to vehicle.

Description

A kind of Electric Motor Wheel with Plumb load function is comprehensive performance test bed
Technical field
The present invention relates to automobile technical field, more particularly to a kind of Electric Motor Wheel combination property examination with Plumb load function Test platform.
Background technology
Under actual road surface operating mode, the vertical load of each wheel can constantly change vehicle.Electric Motor Wheel is comprehensive During energy testing stand simulation real vehicle operating mode, it is necessary to load of the vertical load with simulating vehicle on true road surface can be applied to Electric Motor Wheel Lotus, and this load must be controllable, can change at any time.
Specifically, Vertical loading generally has dynamic load and point of static loading.Wherein, dynamic load can be in experiment During adjust load at any time as needed, and mainly used according to the difference of load mode, prior art Vertical loading device Hydraulic loaded mode.
Wherein, hydraulic loaded mode is loaded directly into using hydraulic jack by lever along loading direction, although hydraulic pressure adds The realization principle of load mode is simple, but control is more unstable, causes analog result error larger, and then influences whole to electric car The research of car.
The content of the invention
The present invention provides a kind of Electric Motor Wheel comprehensive performance test with Plumb load function to solve above-mentioned technical problem Platform, the load mode control of its vertical load is simple, stably so that Vertical loading analog reslt is more accurate, is advantageous to pair The research of whole electric vehicle.
In order to solve the above technical problems, the present invention provides a kind of Electric Motor Wheel comprehensive performance test with Plumb load function Platform, including:Further, portal frame, stub frame and Vertical loading mechanism, the stub frame are used to detachably install to survey The Electric Motor Wheel of examination;Wherein, the Vertical loading mechanism includes motor, the worm screw case provided with ball screw, bidirection press connector And pull pressure sensor;Further, the portal frame crossbeam is provided with a support, the worm screw case of the Vertical loading mechanism Be fixedly arranged on the support, the motor of the Vertical loading mechanism be arranged on the support and with the Vertical loading mechanism Worm screw case connects, and the movable end of the ball screw of the Vertical loading mechanism is inserted in one end of the bidirection press connector, institute The other end for stating bidirection press connector connects the pull pressure sensor, and the pull pressure sensor rotating shaft connects the master Pin, the stub are connected with stub frame by needle bearing.
Further, the Vertical loading mechanism includes short gear, spool gear, and the portal frame crossbeam is provided with an axle Hold;Wherein, the short gear rotating shaft is connected between the pull pressure sensor and the stub, the bottom bracket axle of the spool gear Enter in the bearing on the portal frame crossbeam and can horizontally rotate, also, the short gear engages with the spool gear;Further Ground, the long tooth wheel surface are provided with an angular position sensor.
Further, the Vertical loading mechanism includes angle limiter, and the angle limiter is fixedly arranged on the long tooth Wheel surface.
Further, the Vertical loading mechanism includes stop fork, stop fork include cross one another horizon bar with Vertical bar, the horizon bar are fixed on the ball screw of the Vertical loading mechanism, and the vertical bar is fixed on described gantry On frame crossbeam, wherein, by the vertical bar limit the horizon bar can only be moved on the length direction of the vertical bar into And the ball screw for limiting the Vertical loading mechanism can not rotate and can only in the vertical direction motion.
Further, the Vertical loading mechanism includes upper and lower limiter, and the limiter up and down is fixedly arranged on described vertical The movable end of the ball screw of load maintainer.
Further, the testing stand includes steering mechanism, and the steering mechanism includes worm screw case, motor, the second connection Part and steering force snesor, described worm screw case one end is provided with the first connector, the other end is provided with ball screw;The turning machine The worm screw case of structure is connected to the portal frame, the motor of the steering mechanism and the steering by the way that first connector is universal The universal connection of movable end of the ball screw of the worm screw case connection of mechanism, described second connector one end and the steering mechanism, The other end is connected with the steering force sensor activity, and the steering force snesor is fixedly connected with the stub frame.
Further, first connector includes link, the first support arm, the inner support that one end is provided with fixed hub And first bearing pin, wherein, the inner support is hinged by first bearing pin and first support arm, the inner support Vertical axis is inserted in the fixed hub of the link, and the other end of the link is welded in the portal frame.
Further, second connector includes the second support arm, the second bearing pin and cushion block, wherein, outside described second Support is hinged by the movable end of second bearing pin and the ball screw of the steering mechanism, also, the steering force senses A fixed hub is welded with device, the vertical axis of second support arm is inserted in the fixed hub of the steering force snesor, institute Cushion block both ends are stated to be respectively fixedly connected with the steering force snesor and the stub frame.
Further, the testing stand also includes rotary drum, torque rotary speed sensor, first pulley, flywheel, clutch, the Two belt wheels and electric dynamometer;Wherein, rotating shaft is connected to the torque rotary speed biography respectively for the rotary drum and the first pulley Rotating shaft is connected to the second belt wheel both sides respectively for sensor both sides, the flywheel and the electric dynamometer, and the clutch is set It is placed between second belt wheel and the flywheel, also, the first pulley is connected with second belt wheel by belt.
Further, the stub is arranged on the stub frame and makes the stub directly over the Electric Motor Wheel Offset distance is zero and then ensures that the Electric Motor Wheel remains and contacted with the peak of the rotary drum.
The Electric Motor Wheel of embodiment of the present invention is comprehensive performance test bed:Vertical loading mechanism drives worm screw by using motor The worm screw of case, so as to drive turbine, then drive ball screw and then vertical load is applied to the mode of Electric Motor Wheel, its vertical load The load mode control of lotus is simply, stably so that Vertical loading analog reslt is accurate, is advantageous to grind whole electric vehicle Study carefully, also, by setting pull pressure sensor to obtain the size of vertical load in real time, one can be entered according to the vertical load size Step dynamic adjustment is applied to the vertical load of Electric Motor Wheel, closer to actual operating mode of driving a vehicle.
Brief description of the drawings
Fig. 1 is the schematic diagram of the comprehensive performance test bed embodiment of Electric Motor Wheel of the present invention.
Fig. 2 is the schematic diagram of the comprehensive performance test bed another embodiment of Electric Motor Wheel of the present invention.
Fig. 3 is the rearview of the comprehensive performance test bed embodiment of Electric Motor Wheel of the present invention.
Fig. 4 is the stereogram of steering mechanism in testing stand shown in Fig. 3.
Fig. 5 is the front view of steering mechanism in testing stand shown in Fig. 3.
Fig. 6 is the front view of the comprehensive performance test bed embodiment of Electric Motor Wheel of the present invention.
Fig. 7 is the side view of the comprehensive performance test bed embodiment of Electric Motor Wheel of the present invention.
Embodiment
The present invention is described in detail with embodiment below in conjunction with the accompanying drawings.
The comprehensive performance test bed Electric Motor Wheel experiment for being mainly used in pure electric automobile of the Electric Motor Wheel of embodiment of the present invention.Ginseng Fig. 1 and Fig. 2 are read, the testing stand includes frame 20 and portal frame 17-8, in addition to road analogy mechanism, inertia simulation mechanism, dynamic Independent one or more combinations in force mechanisms, Vertical loading mechanism 17 and steering mechanism 18.
Frame 20, the portal frame 17-8 being arranged in frame 20, road analogy mechanism, inertia are included with the testing stand in full It is described in detail exemplified by simulation mechanism, actuating unit, Vertical loading mechanism 17 and the combination of steering mechanism 18.
Road analogy mechanism includes the torque rotary speed sensor 7 and first band of rotary drum 4, the collection torque of rotary drum 4 and rotating speed Wheel 9, rotating shaft is connected to the both sides of torque rotary speed sensor 7 respectively for rotary drum 4 and first pulley 9.Inertia simulation mechanism include flywheel 13, Clutch 12, the second belt wheel 10.Actuating unit mainly includes electric dynamometer 14, and it selectively can enter in power generation mode Row resistance simulation, or selectivity are in motor mode to carry out braking simulation, specifically, when actuating unit is in motor mode It includes electric dynamometer 14 and the power supply (not shown) of electric power is provided for the electric dynamometer 14;Actuating unit is in generating mould It includes electric dynamometer 14 and the energy-dissipating device for the produced electric energy in generate mode of consumption electric power dynamometer machine 14 during formula (not shown), certainly, to improve resource utilization, the energy-dissipating device can be replaced with energy storage devices such as batteries.Wherein, flywheel 13 Rotating shaft is connected to the both sides of the second belt wheel 10 respectively with electric dynamometer 14, clutch 12 be arranged at the second belt wheel 10 and flywheel 13 it Between;Wherein, connect the belt wheel 10 of first pulley 9 and second by belt rotary drum mechanism and actuating unit link into an integrated entity and then real Now mutual power transmission.
Specifically, road analogy mechanism also includes clutch shaft bearing 51, second bearing 52,3rd bearing 53, fourth bearing 54th, first shaft coupling 61 and second shaft coupling 62, wherein, the rotating shaft of rotary drum 4 be connected to clutch shaft bearing 51 and second bearing 52 it Between, the rotating shaft of first pulley 9 is connected between 3rd bearing 53 and fourth bearing 54, and first shaft coupling 61 and second shaft coupling 62 are divided The both sides of torque rotary speed sensor 7 are not arranged at, and further, the rotating shaft of first shaft coupling 61 is connected to second bearing 52 and turned with torque Between fast sensor 7, the rotating shaft of second shaft coupling 62 is connected between 3rd bearing 54 and torque rotary speed sensor 7.Also, power Mechanism include 5th bearing 55, the shaft coupling 63 of 6th bearing 56 and the 3rd, the rotating shaft of the second belt wheel 10 be connected to 5th bearing 55 with Between 6th bearing 56, the rotating shaft of the 3rd shaft coupling 63 is connected between electric dynamometer 14 and 5th bearing 55.
Wherein, the support of frame 20 fixed road analogy mechanism, inertia simulation mechanism and actuating unit, specifically, as schemed institute Show, it is real by the way that first to 6th bearing (51,52,53,54,55,56) and torque rotary speed sensor 7 are arranged in frame 20 Existing support of the frame 20 to road analogy mechanism, inertia simulation mechanism, actuating unit is fixed.
In present embodiment, inertia simulation can be realized by setting up flywheel 13, and simulated automotive has inertia force during acceleration.Increase If electric dynamometer 14, by the utilization of the two-way mode to electric dynamometer 14, specifically, electric dynamometer 14 is in generating mould During formula, electric dynamometer 14 is used as energy absorption device, carries out resistance simulation, passes through the dynamic load form of electricity loading, simulated automotive Other various resistance sums in addition to rolling resistance during traveling suffered by Electric Motor Wheel, while can coordinate to realize vapour with flywheel 13 The electrodeless regulation of car inertia;For electric dynamometer 14 in motor mode, electric dynamometer 14 drives whole testing stand (including rotary drum 4 and flywheel 13) operation, and Electric Motor Wheel is further driven to by rotary drum 4 and runs to a certain operating mode, then stopped to electric dynamometer 14 power supplies, simulated automotive damped condition carries out various braking simulated tests, can such as carry out mechanical braking, electric regenerative braking with And mechanical coupled with electric feedback brakes simulated test.In addition, because the rated power of Electric Motor Wheel oneself motor is limited, such as simulation system When dynamic, it is not enough to drive whole testing stand to work, also, Electric Motor Wheel is to be tested in itself, that is, needs the parameters tested Actual conditions be unknown, and electric dynamometer 14 is known and adjustable, and the motor of Electric Motor Wheel in itself is not suitable for replacing yet For function of the electric dynamometer 14 in whole testing stand, espespecially during braking simulation.
Further, wheel 3, wheel hub motor 1 and brake disc 2 are included with continued reference to Fig. 1, Electric Motor Wheel, wherein, wheel hub electricity Machine 1 is fixed in wheel 3, and brake disc 1 is arranged on wheel 3, and stub frame 15 passes through linear bearing (not shown) and the car of wheel 3 Wheel shaft (not shown) connects.With reference to Electric Motor Wheel self structure characteristic, the testing stand can combine the mould of brake disc 1 that Electric Motor Wheel carries Intend mechanical braking, can also carry out electric regenerative braking, carry out electric regenerative braking-mechanical braking coupled simulation experiment.
In concrete application embodiment, with continued reference to Fig. 1, testing stand includes being used for detachably installing the electricity to test The stub frame 15 of driving wheel, stub frame 15 are arranged at the top of rotary drum 4 and are movably connected on portal frame 17-8.As shown in figure 3, it is letter Just designing, stub frame 15 can use inverted L shape structure, specifically, the stub frame 15 includes roof and the side wall being connected with each other, its In, the side wall of stub frame 15 is used to installing test Electric Motor Wheel, stub 16 be arranged on stub frame 15 simultaneously with the stub frame 15 Connected by needle bearing (not shown).
Further, referred to reference to Fig. 3-Fig. 5, testing stand includes steering mechanism 18, the movable end of steering mechanism 18 On be installed with one and be used to detect the steering force snesor 18-9 of steering force size, also, the movable end of the steering mechanism 18 is also logical Cross steering force snesor 18-9 and be fixedly attached to stub frame 15, the steering mechanism 18 is used to apply steering force extremely by stub frame 15 Be installed on the Electric Motor Wheel of stub frame 15 so that drive CircOlectric to.Specifically:
Steering mechanism 18 include one end be provided with the first connector, the other end provided with ball screw 18-7 worm screw case 18-3, Motor 18-1, the second connector and steering force snesor 18-9;The worm screw case 18-3 of steering mechanism 18 passes through the first connector Universal to be connected to portal frame 17-8, the motor 18-1 of steering mechanism 18 is connected with the worm screw case 18-3 of steering mechanism 18, specifically, Relative position is fixed by a connecting bracket 18-2 between motor 18-1 and worm screw case 18-3, second connector one end is with turning to The ball screw 18-7 of the mechanism 18 universal connection of movable end, the other end are flexibly connected with turning to force snesor 18-9, steering force Sensor 18-9 is fixedly connected with the second connector.
In a concrete application embodiment, the first connector includes the link that one end is provided with fixed hub (not shown) 18-11, the first support arm 18-4, inner support 18-6 and the first bearing pin 18-51, wherein, inner support 18-6 passes through the first bearing pin 18-51 is hinged with the first support arm 18-4, and inner support 18-6 vertical axis is inserted in link 18-11 fixed hub, link The 18-11 other end is welded in portal frame 17-8.And the second connector include the second support arm 18-8, the second bearing pin 18-52 and Cushion block 18-10, wherein, the work that the second support arm 18-8 passes through the second bearing pin 18-52 and ball screw 18-7 of steering mechanism 18 Moved end is hinged, also, is turned to and be welded with a fixed hub (not shown) on force snesor 18-9, and the second support arm 18-8's is vertical Axle sleeve enters to turn to force snesor 18-9 fixed hub, and cushion block 18-10 both ends are respectively welded in steering force snesor 18-9 and master Sell frame 15.Inner support 18-6 and the second support arm 18-8 can select goat's horn to pitch, the first support arm 18-4 in the first connector, Inner support 18-6 and the first bearing pin 18-51 forms gimbals structure;The second support arm 18-8, ball wire in second connector Bar 18-7 movable end and the second bearing pin 18-52 also form gimbals structure.
During steering, the motor 18-1 of steering mechanism 18 starts (forward or reverse), drives worm screw case 18-3 scroll bar (to scheme not Show) forward or reverse, then drive worm screw case 18-3 worm gear (not shown) to rotate, and then drive ball screw 18-7 movable end Motion to the left or to the right, stub frame 15 is passed to by steering force by the second support arm 18-8 by turning to force snesor 18-9, And then the driving electric wheel of stub frame 15 is rotated around stub 16, wherein, the second support arm 18-8 follows turning for stub frame 15 Move and rotated in the fixed hub for turning to force snesor 18-9, simultaneously as the second support arm 18-8's follows rotation further Drive inner support 18-6 to be rotated in link 18-11 fixed hub, realize that simulation turns to this.Further, steering force Sensor 18-9 obtains the size of steering force in real time, and then steering force is monitored during steering is simulated.Pass through electricity Actual road test after driving wheel turns to, can verify that Electric Motor Wheel turn to time point and inner member can long-term stable operation, while Anti- sideslip experiment to carry out related provides material base and condition so that the integral experiment to Electric Motor Wheel more levels off to reality Driving operating mode.In addition, the steering mechanism 18 of present embodiment, drives worm screw case 18-3, then drive rolling by using motor 18-1 Ballscrew 18-7 so by steering force by way of stub frame 15 is applied to Electric Motor Wheel, its control it is simple, stably, after steering Actual road test produces to be obtained in real time with the side force for the dynamic balance that rubs by lateral force sensors 19.
In another concrete application embodiment, referred to reference to Fig. 6 and Fig. 7, the testing stand also includes Vertical loading Mechanism 17, the Vertical loading mechanism 17 be connected by stub 16 with stub frame 15, and then passes sequentially through stub 16, stub frame 15 Load is applied to by transmission to be installed in the Electric Motor Wheel of stub frame 15.Specifically, Vertical loading mechanism 17 include motor 17-1, Worm screw case 17-2, bidirection press connector 17-6, pull pressure sensor 17-7 and bearing 17- provided with ball screw 17-4 14;Portal frame 17-8 crossbeams are provided with a support 17-3, and the worm screw case 17-2 of Vertical loading mechanism 17 is fixedly arranged on support 17-3, The motor 17-1 of Vertical loading mechanism 17 is arranged on support 17-3 and is connected with the worm screw case 17-2 of Vertical loading mechanism 17, hangs down The ball screw 17-4 of straight load maintainer 17 movable end is inserted in bidirection press connector 17-6 one end, bidirection press connector 17-6 the other end connection pull pressure sensor 17-7, the one end of stub 16 through bearing 17-14 so that with pull pressure sensor 17- 7 rotating shafts are connected, and the other end of stub 16 is connected with stub frame 15 by needle bearing.
When applying vertical load, motor 17-1 starts (just or reversion), is driving worm screw case 17-2 scroll bar (not shown) just Or reverse turn, then drive worm screw case 17-2 turbine to rotate, and then the motion of ball screw 17-4 up or downs is driven, pass through Bidirectional pressure Power connector 17-6, pull pressure sensor 17-7 pass to stub 16, then by stub frame 15 are applied to vertical load electronic On wheel.Wherein, ball screw 17-4 is moved upwards, and vertical load reduces, and ball screw 17-4 is moved downward, and vertical load increases Add.By using the Vertical loading mechanism 17 of electric loading system vertical load, it is upper and lower in road traveling that Electric Motor Wheel can be simulated Bounce, experiment check Electric Motor Wheel motor internal element whether can in the case where there is vibratory impulse long-term stable operation, and And coordinate brakes to carry out a series of experiments such as ABS experiments, composite braking experiment, simulate automotive dead weight in actual driving operating mode With the vertical load such as load-carrying.In addition, the Vertical loading mechanism 17 of present embodiment, worm screw case is driven by using motor 17-1 17-2, then drive ball screw 17-4 and then vertical load is applied to the mode of Electric Motor Wheel, it is controlled simply, stably so that Vertical loading analog reslt is accurate, is advantageous to the research to whole electric vehicle, also, by setting pull pressure sensor 17-7 obtains the size of vertical load in real time, further can dynamically be adjusted according to the vertical load size and be applied to Electric Motor Wheel Vertical load, closer to actual operating mode of driving a vehicle.
With reference to the gimbals structure design of the first connector and the second connector in steering mechanism 18 above, vertically adding When mounted mechanism 17 carries out Vertical loading, with increasing or decreasing for load, the meeting in the vertical direction of stub frame 15 is subjected to displacement, with The second support arm 18-8 that the stub frame 15 is fixed using the second bearing pin 18-52 as axis rotation, meanwhile, the second support arm 18-8 In the vertical direction follows rotation to be further driven to inner support 18-6 using the first bearing pin 18-51 as axis rotation, and then causes The Vertical loading of Vertical loading mechanism 17 does not influence the steering of steering mechanism 18.
Preferably, Vertical loading mechanism 17 includes stop fork 17-13, and stop fork 17-13 includes cross one another horizon bar 17-131 and vertical bar 17-132, horizon bar 17-131 are fixed on the ball screw 17-4 of Vertical loading mechanism 17, vertical bar 17-132 is fixed on portal frame 17-8 crossbeams, wherein, vertical bar 17-132 limit levels bars 17-131 can only be in vertical bar 17- Moved on 132 length direction so that the ball screw 17-4 of Vertical loading mechanism 17 can not be rotated and can only be in above-below direction Upper motion, and then ensure that the ball screw 17-4 of Vertical loading mechanism 17 movable end can only move up and down, being capable of preferably mould Intend applying vertical load, improve the accuracy of vertical load simulation (i.e. car weight is simulated) result.
Preferably, Vertical loading mechanism 17 includes spool gear 17-9 and short gear 17-10, is gone back on portal frame 17-8 crossbeam Provided with a bearing 17-15, spool gear 17-9 axis is inserted in bearing 17-15 and can horizontally rotated, wherein, short gear 17-10 On bearing 17-14, one end of short gear 17-10 axis is connected with pull pressure sensor 17-7, the other end and stub 16 Rotating shaft connects, also, spool gear 17-9 engages with short gear 17-10, and spool gear 17-9 surfaces are installed with angle position biography Sensor 17-11, the angular position sensor are used for the steering angle for gathering Electric Motor Wheel during in CircOlectric.It is in addition, logical Cross setting spool gear 17-9 and angular position sensor is fixedly arranged on spool gear 17-9 surfaces, can not influence vertically On the basis of load maintainer 17 applies vertical load to Electric Motor Wheel, the steering angle of Electric Motor Wheel is obtained.
Also, in operating mode of actually driving a vehicle, the steering angle of Electric Motor Wheel is not infinitely great, for the actual driving work of simulation Condition, in the also fixed angle limiter 17-11 in spool gear 17-9 surfaces, it is engaged with angle limiter 17-11, such as can be with Set a chute (not shown) in the horizontal direction of portal frame 17-8 columns, chute may be designed as being in circular arc, the arc of the circular arc The angle design that Electric Motor Wheel can actually turn over when degree can turn to according to electric automobile, when the steering force warp that steering mechanism 18 applies When a series of elements are eventually transferred to the Electric Motor Wheel on stub frame 15, even if the steering force is sufficiently large, pass through the angle limiter Electric Motor Wheel is defined to rotate in default rotational angle range by 17-11, with closer actual operating mode of driving a vehicle.
Preferably, Vertical loading mechanism 17 includes upper and lower limiter 17-5, and upper and lower limiter 17-5 is fixedly arranged on Vertical loading The ball screw 17-4 of mechanism 17 movable end, certainly, gone to coordinate the upper and lower limiter 17-5 to move ball screw 17-4 The limitation of journey, a such as chute (not shown) can be generally set on portal frame 17-8 column, the chute is along portal frame 17- The short transverse of 8 columns is set, also, sets a contact (not shown) respectively in the chute upper and lower ends, when upper and lower limiter When 17-5 touches contact, ball screw 17-4 stops continuing to move to the contact direction immediately.
In above-mentioned embodiment, it is preferable that stub 16 is arranged on stub frame 15, and is installed on stub frame 15 in Electric Motor Wheel When, the surface that the stub 16 is in the Electric Motor Wheel make it that the offset distance of stub 16 is zero, and then ensure Electric Motor Wheel remain with At the peak of rotary drum 4 contact, i.e., straight line and turn to when, the Electric Motor Wheel can contact with the peak of rotary drum 4, can avoid because When being not zero for the offset distance of stub 16, caused by the excessive peak for causing tire to depart from rotary drum 4 of steering angle of Electric Motor Wheel Test error.
In summary, the testing stand of embodiment of the present invention has the following advantages that:
(1) road analogy, resistance simulation, car weight simulation, inertia simulation can be carried out;
(2) braking simulation can carry out mechanical braking, electric regenerative braking and mechanical coupled with electric feedback and brake simulation.
(3) steering mechanism can realize in actual driving operating mode CircOlectric to when simulated by side force.
(4) Vertical loading mechanism can realize that Electric Motor Wheel is by the vertical load of deadweight and load-carrying etc. in actual driving operating mode Simulation.
(5) by above-mentioned (1), (2), (3) and (4), the biaxial loadings simulated test to Electric Motor Wheel, inertia can be realized simultaneously Simulation and braking simulation, the meaning of its testing stand, which is more than, only exists (1), (2), (3) or (4) single situation, closer in Actual driving operating mode, be advantageous to improve the accuracy of result of the test.
Embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize the present invention The equivalent structure or equivalent flow conversion that specification and accompanying drawing content are made, or directly or indirectly it is used in other related technologies Field, it is included within the scope of the present invention.

Claims (9)

1. a kind of Electric Motor Wheel with Plumb load function is comprehensive performance test bed, it is characterised in that including:
Portal frame, stub frame and Vertical loading mechanism, the stub frame are used to detachably install the Electric Motor Wheel to test;
Wherein, the Vertical loading mechanism includes motor, the worm screw case provided with ball screw, bidirection press connector and tension and compression Force snesor;
Further, the portal frame crossbeam is provided with a support, and the worm screw case of the Vertical loading mechanism is fixedly arranged on the branch On frame, the motor of the Vertical loading mechanism is arranged on the support and is connected with the worm screw case of the Vertical loading mechanism, The movable end of the ball screw of the Vertical loading mechanism is inserted in one end of the bidirection press connector, and the bidirection press connects The other end for connecing device connects the pull pressure sensor, and the pull pressure sensor rotating shaft connects the stub, the stub with Stub frame is connected by needle bearing.
2. Electric Motor Wheel according to claim 1 is comprehensive performance test bed, it is characterised in that:
The Vertical loading mechanism includes short gear, spool gear, and the portal frame crossbeam is provided with a bearing;
Wherein, the short gear rotating shaft is connected between the pull pressure sensor and the stub, the axis of the spool gear In the bearing being inserted on the portal frame crossbeam and it can horizontally rotate, also, the short gear engages with the spool gear;
Further, the long tooth wheel surface is provided with an angular position sensor and an angle limiter.
3. Electric Motor Wheel according to claim 1 is comprehensive performance test bed, it is characterised in that:
The Vertical loading mechanism is pitched including stop, and the stop fork includes cross one another horizon bar and vertical bar, the water Flat bar is fixed on the ball screw of the Vertical loading mechanism, and the vertical bar is fixed on the portal frame crossbeam, wherein, It can only be moved by the vertical bar limitation horizon bar on the length direction of the vertical bar described vertical to limit The ball screw of load maintainer can not rotate and can only in the vertical direction motion.
4. Electric Motor Wheel according to claim 1 is comprehensive performance test bed, it is characterised in that:
The Vertical loading mechanism includes upper and lower limiter, and the limiter up and down is fixedly arranged on the ball of the Vertical loading mechanism The movable end of screw mandrel.
5. Electric Motor Wheel according to claim 1 is comprehensive performance test bed, it is characterised in that:
The testing stand includes steering mechanism, and the steering mechanism includes worm screw case, motor, the second connector and steering force and passed Sensor, worm screw case one end of the steering mechanism are provided with ball screw provided with the first connector, the other end;
The worm screw case of the steering mechanism is connected to the portal frame by the way that first connector is universal, the steering mechanism Motor is connected with the worm screw case of the steering mechanism, described second connector one end and the work of the ball screw of the steering mechanism The universal connection in moved end, the other end are connected with the steering force sensor activity, and the steering force snesor is consolidated with the stub frame Fixed connection.
6. Electric Motor Wheel according to claim 5 is comprehensive performance test bed, it is characterised in that:
First connector includes link, the first support arm, inner support and the first bearing pin that one end is provided with fixed hub, Wherein, the inner support is hinged by first bearing pin and first support arm, and the vertical axis of the inner support is inserted in institute The fixed hub of link is stated, the other end of the link is welded in the portal frame.
7. Electric Motor Wheel according to claim 5 is comprehensive performance test bed, it is characterised in that:
Second connector includes the second support arm, the second bearing pin and cushion block, wherein, second support arm passes through described The movable end of two bearing pins and the ball screw of the steering mechanism is hinged, also, it is solid to be welded with one on the steering force snesor Dead axle set, the vertical axis of second support arm are inserted in the fixed hub of the steering force snesor, the cushion block both ends difference It is fixedly connected on the steering force snesor and the stub frame.
8. Electric Motor Wheel according to claim 1 is comprehensive performance test bed, it is characterised in that:
The testing stand also includes rotary drum, torque rotary speed sensor, first pulley, flywheel, clutch, the second belt wheel and electric power Dynamometer machine;
Wherein, rotating shaft is connected to the torque rotary speed sensor both sides, the flywheel respectively for the rotary drum and the first pulley Rotating shaft is connected to the second belt wheel both sides respectively with the electric dynamometer, the clutch be arranged at second belt wheel with Between the flywheel, also, the first pulley is connected with second belt wheel by belt.
9. Electric Motor Wheel according to claim 8 is comprehensive performance test bed, it is characterised in that:
The stub is arranged on the stub frame and makes directly over the Electric Motor Wheel kingpin offset be zero to enter And ensure that the Electric Motor Wheel remains and contacted with the peak of the rotary drum.
CN201410257543.1A 2014-06-11 2014-06-11 A kind of Electric Motor Wheel with Plumb load function is comprehensive performance test bed Active CN105277374B (en)

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CN201410257543.1A CN105277374B (en) 2014-06-11 2014-06-11 A kind of Electric Motor Wheel with Plumb load function is comprehensive performance test bed

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CN201410257543.1A CN105277374B (en) 2014-06-11 2014-06-11 A kind of Electric Motor Wheel with Plumb load function is comprehensive performance test bed

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CN105277374A CN105277374A (en) 2016-01-27
CN105277374B true CN105277374B (en) 2018-03-02

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CN105806633A (en) * 2016-05-13 2016-07-27 北京理工大学 Road simulation testbed for wheel
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CN110132585B (en) * 2019-06-20 2021-07-02 山东理工大学 Electric wheel comprehensive test bed based on virtual instrument and dynamic and static vertical loading device
CN110160780B (en) * 2019-06-20 2020-10-16 山东理工大学 Dynamic and static vertical loading device for electric wheel performance test bench
CN113970449A (en) * 2020-12-24 2022-01-25 航天智造(上海)科技有限责任公司 Multifunctional Mecanum wheel size and performance comprehensive test bench

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