CN108844734A - Axis manifold type chassis transmission performance test device - Google Patents
Axis manifold type chassis transmission performance test device Download PDFInfo
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- CN108844734A CN108844734A CN201810604637.XA CN201810604637A CN108844734A CN 108844734 A CN108844734 A CN 108844734A CN 201810604637 A CN201810604637 A CN 201810604637A CN 108844734 A CN108844734 A CN 108844734A
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- servo motor
- motor
- transmission performance
- test device
- performance test
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of axis manifold type chassis transmission performance test devices, including：Elevator platform,Lifting linking member is provided on elevator platform,Lifting linking member top is fixedly installed with mounting platform,Lifting linking member is connected with speed reducer,It is detachable on mounting platform that servo motor is installed,Sternite shaft coupling is socketed on splined shaft outside servo motor,The other end of sternite shaft coupling is socketed with semiaxis,Semiaxis passes through bearing and is connected with ring flange,Ring flange is fixedly connected by bolt with the wheel hub of tested vehicle,Splined shaft outside servo motor is coupled with the axis of the wheel hub of tested vehicle,Servo motor is connect by control cable and multicore cable with motor controlling cabinet,It is attached by the connectors such as servo motor and shaft coupling and the wheel hub of tested vehicle,Couple the splined shaft outside servo motor with the axis of the wheel hub of tested vehicle,Test device cost is reduced to reach,The purpose that efficiently and accurately chassis transmission performance data are acquired and are analyzed.
Description
Technical field
The present invention relates to vehicle chassis test mechanical fields, and in particular to a kind of axis manifold type chassis transmission performance test dress
It sets.
Background technique
In the prior art, transmission performance test in chassis is to replace road surface with roller simulation, and automobile is normally driving at a constant speed
When the various resistances that encounter pass through loading device and simulate.When accelerating and sliding, suffered resistance is turned automobile by flywheel group
Dynamic inertia simulation.The torque of chassis dynamometer and power are by being mounted on the arm of force an of connecting stator and dynamometer machine shell
Force snesor measures.Automobile drive roller, loading device by stator to rotor apply braking moment, meanwhile, stator by turn
The moment of reaction of son, this torque are measured by force snesor and are converted into torque and the power of driving wheel.Roller have single roller and
Two kinds of twin-roll, single roller diameter of cylinder is larger, and spring bearing is small, and manufacture and mounting cost are big；Double drum type chassis dynamometer
The roller for supporting every side driving wheel is two, and diameter of cylinder is small, compared with single roller chassis dynamometer, more four support shafts
Hold with a shaft coupling, in the detection process, mechanical loss is larger.Diameter of cylinder is smaller, contact of the wheel with roller just with
Difference is bigger on level road, and the slippage rate of tire and roller increases, rolling resistance increases, so measuring accuracy is poor.
Summary of the invention
In order to solve the above technical problems, the invention proposes a kind of axis manifold type chassis transmission performance test devices, to reach
To reduction test device cost, the purpose that efficiently and accurately chassis transmission performance data are acquired and are analyzed.
In order to achieve the above objectives, technical scheme is as follows：A kind of axis manifold type chassis transmission performance test device,
Described device includes：Elevator platform is provided with lifting linking member on the elevator platform, and the lifting linking member top is fixedly installed with
Mounting platform, the lifting linking member are connected with the speed reducer for controlling lifting linking member lifting, and the speed reducer is fixedly mounted on
The side of elevator platform, is provided with adjusting handle on the speed reducer, detachable on the mounting platform to be equipped with servo electricity
Machine is socketed with sternite shaft coupling on the splined shaft outside the servo motor, and the other end of the sternite shaft coupling is socketed with half
Axis, the semiaxis pass through bearing and are connected with ring flange, and the bearing is mounted in bearing block, and it is flat that the bearing block is mounted on installation
Far from one end of speed reducer on platform, the ring flange is described to watch for being fixedly connected by bolt with the wheel hub of tested vehicle
The splined shaft for taking outside motor is coupled with the axis of the wheel hub of tested vehicle, and the servo motor passes through control cable and multicore
Cable is connect with motor controlling cabinet, and the motor controlling cabinet is for controlling motor rotation, acquiring motor operating parameter and to parameter
It is analyzed, the motor controlling cabinet is also used to acquire the electric energy of servo motor generation and electric energy is imported power grid.
Further, the height of the components such as servo motor on mounting platform can by speed reducer adjust lifting linking member into
Row is adjusted, so that the vehicle for adapting to different height chassis is tested.
Further, the wheel hub that tested vehicle is connected by ring flange only needs more when testing the vehicle of different wheel hubs
Change the ring flange of adaptation.
Further, the motor controlling cabinet includes motor control unit, and the motor control unit includes：Motor driven
Device, photoelectric encoder and host computer, the motor driver are connect with photoelectric encoder by data line, and the motor drives
Dynamic device is connect with host computer by CAN network, and host computer controls motor driver by CAN bus；
The motor driver, for receiving control instruction that host computer is sent and controlling servo motor, also
For acquiring the data of the running basic data of servo motor and reception encoder acquisition and passing collected total data
Host computer is transported to, the motor driver is communicated by CAN communication box and host computer；
The photoelectric encoder is used to acquire the revolving speed and rotor position data of servo motor, and by the revolving speed of motor and turns
Sub- position data is transmitted to motor driver；
The host computer, for sending the control instruction to servo motor to motor driver, the host computer is also used to
It receives the motor operating parameter that motor driver is sent and the operating parameter of motor is analyzed and stored, the host computer
Data are analyzed, stored, drawn and are retrieved etc. with operation using labview platform.
Further, the running basic data of the servo motor includes：The electric current of servo motor, voltage, frequency, torsion
Square, revolving speed, rotor-position etc..
Further, the motor controlling cabinet further includes feedback unit, the feedback unit be feedback driver, described time
Driver is presented, for collecting the electric energy of servo motor generation, and is linked into power grid after converting electrical energy into, the feedback driver is
With reactor, when servo motor has extra electricity, feedback driver collects the electric energy of servo motor generation automatically, effective anti-
Only DC bus-bar voltage pumps raw overtension, and controller is caused frequently to be alarmed, and prevents overtension from capacitor and IGBT are punctured.
Further, water cooled housing is installed on the shell of the servo motor, is equipped with water cooling in the water cooled housing
Pipe, the both ends of the water cooling tube are connect with Water-cooled cabinet, water pump and cooling fan are equipped in the Water-cooled cabinet, the water pump is used for
Recycle water in water cooling tube, the cooling fan is used to cool down the hot water flowed back to by servo motor, and Water-cooled cabinet has
Temperature when preventing servo motor from working of effect is excessively high, improves the working efficiency and service life of servo motor.
Further, the servo motor is four-quadrant servo motor, and there are four types of run shape for the four-quadrant servo motor
State, respectively：It rotates forward that electronic, reversion is electronic, rotates forward power generation and reversion power generation, is electronic shape when the servo motor active transport
State is generating state when the servo motor passive transport.
Further, the elevator platform bottom end is equipped with universal wheel, and the side of the elevator platform, which is fixedly installed with, to push away
Lever, universal wheel and catch bar are conducive to will be near test device integrated pushing to test vehicle.
Further, the both ends of the bearing are provided with bearing cap, and the bearing cap is mounted on bearing block, and bearing cap can
Prevent foreign matter from entering the service life that bearing improves bearing, also position when effective fixing bearing high speed rotation.
Further, the quantity of described device is configured according to the driving wheel quantity of test vehicle, if tested test run
For two driving vehicles, then two groups of test devices is only needed to be tested, by the ring flange of two groups of test devices it is non-not with it is tested
The wheel hub of vehicle is fixed, if tested vehicle is 4 wheel driven motor-car, needs four groups of test devices to be tested, by four groups of surveys
The non-wheel hub not with tested vehicle of the ring flange that trial assembly is set is fixed.
The invention has the advantages that：
(1) the present invention is attached by the connectors such as servo motor and shaft coupling and the wheel hub of tested vehicle, makes to watch
The splined shaft for taking outside motor is coupled with the axis of the wheel hub of tested vehicle, convenient for tested vehicle chassis transmission performance number
According to being acquired, the cost of test device is reduced, improves the accuracy of chassis transmission performance data acquisition.
(2) the present invention is that servo motor surface cools down by Water-cooled cabinet, effectively raises the work of servo motor
Efficiency and service life.
(3) the present invention collects electricity extra on servo motor by feedback unit, and accesses electricity after electricity is converted
Net effectively prevents DC bus-bar voltage from pumping raw overtension, controller is caused frequently to be alarmed, prevent overtension capacitor and
IGBT breakdown, compared to using braking resistor consumption electric energy by the way of, energy conservation and environmental protection.
(4) the present invention rises the height that valence device adjusts servo motor and connector by elevator platform etc., is convenient for different height
The vehicle testing of degree, the applicable different wheel hubs of replaceable ring flange, versatility are good.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described.
Fig. 1 is axis manifold type disclosed by the embodiments of the present invention chassis transmission performance schematic structural diagram of testing device；
Number and corresponding component title represented by letter in figure：
1, elevator platform；2, lifting linking member；3, mounting platform；4, speed reducer；5, adjusting handle；6, servo motor；7, flower
Key axis；8, sternite shaft coupling；9, semiaxis；10, bearing block；11, ring flange；12, wheel hub；13, cable is controlled；14, multicore cable；
15, CAN bus；16, water cooled housing；17, water cooling tube；18, Water-cooled cabinet.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
The present invention provides a kind of axis manifold type chassis transmission performance test devices, its working principle is that passing through servo motor
It is attached with the wheel hub of the connectors and tested vehicle such as shaft coupling, makes the splined shaft and tested vehicle outside servo motor
Wheel hub axis coupling, with reach reduce test device cost, efficiently and accurately chassis transmission performance data are adopted
The purpose of collection and analysis.
Below with reference to embodiment and specific embodiment, the present invention is described in further detail.
As shown in Figure 1, a kind of axis manifold type chassis transmission performance test device, described device include：Elevator platform 1, institute
It states and is provided with lifting linking member 2 on elevator platform 1,2 top of lifting linking member is fixedly installed with mounting platform 3, and the lifting connects
Bar 2 is connected with the speed reducer 4 for controlling the lifting of lifting linking member 2, and the speed reducer 4 is fixedly mounted on the side of elevator platform 1,
It is provided with adjusting handle 5 on the speed reducer 4, it is detachable on the mounting platform 3 that servo motor, the servo electricity are installed
It is socketed with sternite shaft coupling 8 on splined shaft 7 outside machine, the other end of the sternite shaft coupling 8 is socketed with semiaxis 9, and described half
Axis 9 passes through bearing and is connected with ring flange 11, and the bearing is mounted in bearing block 10, and the bearing block 10 is mounted on mounting platform
Far from one end of speed reducer 4 on 3, the ring flange 11 is used to be fixedly connected by bolt with the wheel hub 12 of tested vehicle, institute
The axis for stating the wheel hub 12 of the splined shaft 7 and tested vehicle outside servo motor couples, and the servo motor passes through control electricity
Cable 13 and multicore cable 14 are connect with motor controlling cabinet, and the motor controlling cabinet is for controlling motor rotation, acquisition motor operation
Parameter simultaneously analyzes parameter, and the motor controlling cabinet is also used to acquire the electric energy of the generation of servo motor 6 and imports electric energy
Power grid.
Wherein, the height of the components such as servo motor on mounting platform 3 can by speed reducer 4 adjust lifting linking member 2 into
Row is adjusted, so that the vehicle for adapting to different height chassis is tested.
Wherein, the wheel hub 12 that tested vehicle is connected by ring flange 11 is only needed when testing the vehicle of different wheel hubs 12
Replace the ring flange 11 of adaptation.
Wherein, the motor controlling cabinet includes motor control unit, and the motor control unit includes：Motor driver,
Photoelectric encoder and host computer, the motor driver are connect with photoelectric encoder by data line, the motor driven
Device is connect with host computer by CAN network, and host computer controls motor driver by CAN bus 15；
The motor driver, for receiving control instruction that host computer is sent and controlling servo motor, also
For acquiring the data of the running basic data of servo motor and reception encoder acquisition and passing collected total data
Host computer is transported to, the motor driver is communicated by CAN communication box and host computer；
The photoelectric encoder is used to acquire the revolving speed and rotor position data of servo motor 6, and by the revolving speed of motor and
Rotor position data is transmitted to motor driver；
The host computer, for sending the control instruction to servo motor to motor driver, the host computer is also used to
It receives the motor operating parameter that motor driver is sent and the operating parameter of motor is analyzed and stored, the host computer
For technical grade computer, on the host computer using labview platform data is analyzed, stored, drawn and retrieves etc. and operated.
Wherein, the running basic data of the servo motor includes：The electric current of servo motor 6, voltage, frequency, torque,
Revolving speed, rotor-position etc..
Wherein, the motor controlling cabinet further includes feedback unit, and the feedback unit is feedback driver, and the feedback is driven
Dynamic device for collecting the electric energy of the generation of servo motor 6, and is linked into power grid after converting electrical energy into, the feedback driver be with
Reactor, when servo motor has extra electricity, feedback driver collects the electric energy of the generation of servo motor 6 automatically, effective anti-
Only DC bus-bar voltage pumps raw overtension, and controller is caused frequently to be alarmed, and prevents overtension from capacitor and IGBT are punctured.
Wherein, water cooled housing 16 is installed on the shell of the servo motor, is equipped with water cooling in the water cooled housing 16
The both ends of pipe 17, the water cooling tube 17 are connect with Water-cooled cabinet 18, are equipped with water pump and cooling fan in the Water-cooled cabinet 18, described
For recycling water in water cooling tube 17, the cooling fan is used to carry out the hot water flowed back to by servo motor cold water pump
But, temperature is excessively high when Water-cooled cabinet 18 effectively prevents servo motor from working, and improves the working efficiency and service life of servo motor.
Wherein, the servo motor is four-quadrant servo motor, and there are four types of operating statuses for the four-quadrant servo motor, is divided
It is not：It rotates forward that electronic, reversion is electronic, rotates forward power generation and reversion power generation, is motoring condition, institute when the servo motor active transport
It is generating state when stating servo motor passive transport.
Wherein, 1 bottom end of elevator platform is equipped with universal wheel, and the side of the elevator platform 1 is fixedly installed with promotion
Bar, universal wheel and catch bar are conducive to will be near test device integrated pushing to test vehicle.
Wherein, the both ends of the bearing are provided with bearing cap, and the bearing cap is mounted on bearing block 10, and bearing cap can be prevented
Only foreign matter enters the service life that bearing improves bearing, also position when effective fixing bearing high speed rotation.
Wherein, the quantity of described device is configured according to the driving wheel quantity of test vehicle, if tested vehicle is
Two driving vehicles, then only need two groups of test devices to be tested, by the ring flange 11 of two groups of test devices it is non-not with tested test run
Wheel hub 12 it is fixed, if tested vehicle is 4 wheel driven motor-car, need four groups of test devices to be tested, by four groups of surveys
The ring flange 11 that trial assembly is set is not non-fixed with the wheel hub 12 of tested vehicle.
This test device can test vehicle chassis transmission performance data, and the mode of test includes：Constant speed tune torque,
Permanent torque speed regulation, velocity scanning, torque surface sweeping, brake diagnostic test, brake looping test, oil consumption test, Road quality simulation test, new energy
Vehicle driving mileage test.
Above all of mode can be divided into two kinds of action modes.
One is torque modes：Servo motor does not turn, and is setting what a torque value, is calculating variation in LABVIEW
Size of current is given to motor driver by CAN communication, then control motor rotation when torque resistance size, when wheel without
By being to rotate forward or invert, motor can all give an opposite torque value, and successfully judgement is that vehicle has rotated, this is that we say vehicle
The torque for being greater than or equal to that torque value set can be exported.
Another kind is velocity mode：What a speed and torque are exactly set, motor first rotates, then touches on the brake,
What the brake of test automobile can stop lives, and Rule of judgment is that automobile can be checked, and automobile can be found out in setting speed and torque
Under braking quality.
Control model based on both servo motors establishes reasonable mathematical model, can effectively simulate a variety of roads
The motion state in face and vehicle, can be by the gradient on road surface, coefficient of friction, windage, the rotary inertia of vehicle, the conjunction such as drive state
Simulating for reason comes, to reach the needs of test transmission of automobile chassis and braking ability.
Above-described is only a kind of preferred reality of axis manifold type chassis disclosed in this invention transmission performance test device
Apply mode, it is noted that for those of ordinary skill in the art, without departing from the concept of the premise of the invention,
Various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Claims (9)
1. a kind of axis manifold type chassis transmission performance test device, which is characterized in that described device includes：Elevator platform, it is described
Lifting linking member is provided on elevator platform, the lifting linking member top is equipped with mounting platform, and the lifting linking member connection is useful
In the speed reducer of control lifting linking member lifting, the speed reducer is fixedly mounted on the side of elevator platform, sets on the speed reducer
It is equipped with adjusting handle, it is detachable on the mounting platform that servo motor is installed, on the splined shaft outside the servo motor
It is socketed with sternite shaft coupling, the other end of the sternite shaft coupling is socketed with semiaxis, and the semiaxis passes through bearing and is connected with flange
Disk, the bearing are mounted in bearing block, and the bearing block is mounted on one end on mounting platform far from speed reducer, the flange
Disk by bolt with the wheel hub of tested vehicle for being fixedly connected, the splined shaft outside the servo motor and tested vehicle
Wheel hub axis coupling, the servo motor by control cable and multicore cable connect with motor controlling cabinet, the motor
For controlling motor rotation, acquisition motor operating parameter and analyzing parameter, the motor controlling cabinet is also used to control cabinet
Electric energy is simultaneously imported power grid by the electric energy of acquisition servo motor generation.
2. axis manifold type according to claim 1 chassis transmission performance test device, which is characterized in that the motor control
Cabinet includes motor control unit, and the motor control unit includes：Motor driver, photoelectric encoder and host computer, the electricity
Machine driver is connect with photoelectric encoder by data line, and the motor driver is connect with host computer by CAN bus；
The motor driver is also used to for receiving control instruction that host computer is sent and controlling servo motor
Collected total data is simultaneously transmitted to by the acquisition running basic data of servo motor and the data of reception encoder acquisition
Host computer；
The photoelectric encoder is used to acquire the revolving speed and rotor position data of servo motor, and by the revolving speed of motor and rotor position
It sets data and is transmitted to motor driver；
The host computer, for sending the control instruction to servo motor to motor driver, the host computer is also used to receive
Motor operating parameter that motor driver is sent simultaneously is analyzed and is stored to the operating parameter of motor.
3. axis manifold type according to claim 2 chassis transmission performance test device, which is characterized in that the servo motor
Running basic data includes：Electric current, voltage, frequency, torque, revolving speed and the rotor-position of servo motor.
4. axis manifold type according to claim 1 or 2 chassis transmission performance test device, which is characterized in that the motor
Control cabinet further includes feedback unit, and the feedback unit is feedback driver, the feedback driver, for collecting servo motor
The electric energy of generation, and power grid is linked into after converting electrical energy into.
5. axis manifold type according to claim 1 chassis transmission performance test device, which is characterized in that the servo motor
Shell on water cooled housing is installed, be equipped with water cooling tube in the water cooled housing, the both ends of the water cooling tube and Water-cooled cabinet connect
It connects, water pump and cooling fan is installed, the water pump is for recycling water in water cooling tube, the cooling wind in the Water-cooled cabinet
It fans for being cooled down to the hot water flowed back to by servo motor.
6. axis manifold type according to claim 1 chassis transmission performance test device, which is characterized in that the servo motor
For four-quadrant servo motor, there are four types of operating statuses for the four-quadrant servo motor, respectively：Rotate forward that electronic, reversion is electronic, just
Forwarding electricity and reversion power generation, are motoring condition when the servo motor active transport, are hair when the servo motor passive transport
Electricity condition.
7. axis manifold type according to claim 1 chassis transmission performance test device, which is characterized in that the elevator platform
Bottom end is equipped with universal wheel, and the side of the elevator platform is fixedly installed with catch bar.
8. axis manifold type according to claim 1 chassis transmission performance test device, which is characterized in that the two of the bearing
End is provided with bearing cap, and the bearing cap is mounted on bearing block.
9. axis manifold type according to claim 1 chassis transmission performance test device, which is characterized in that the number of described device
Amount is configured according to the driving wheel quantity of test vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810604637.XA CN108844734A (en) | 2018-06-13 | 2018-06-13 | Axis manifold type chassis transmission performance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810604637.XA CN108844734A (en) | 2018-06-13 | 2018-06-13 | Axis manifold type chassis transmission performance test device |
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| Publication Number | Publication Date |
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| CN108844734A true CN108844734A (en) | 2018-11-20 |
Family
ID=64210955
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810604637.XA Pending CN108844734A (en) | 2018-06-13 | 2018-06-13 | Axis manifold type chassis transmission performance test device |
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| CN110160804A (en) * | 2019-05-31 | 2019-08-23 | 中国科学院深圳先进技术研究院 | A kind of test method of automatic driving vehicle, apparatus and system |
| CN112014119A (en) * | 2020-08-27 | 2020-12-01 | 东风汽车集团有限公司 | Reliability test device and test method for driving motor assembly |
| CN113029597A (en) * | 2021-04-06 | 2021-06-25 | 北京理工大学 | Unmanned vehicle full-line control chassis test system |
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| CN112014119A (en) * | 2020-08-27 | 2020-12-01 | 东风汽车集团有限公司 | Reliability test device and test method for driving motor assembly |
| CN113029597A (en) * | 2021-04-06 | 2021-06-25 | 北京理工大学 | Unmanned vehicle full-line control chassis test system |
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