CN105092244B - A kind of multifunctional clutch testing stand - Google Patents
A kind of multifunctional clutch testing stand Download PDFInfo
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- CN105092244B CN105092244B CN201510585793.2A CN201510585793A CN105092244B CN 105092244 B CN105092244 B CN 105092244B CN 201510585793 A CN201510585793 A CN 201510585793A CN 105092244 B CN105092244 B CN 105092244B
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Abstract
The invention discloses a kind of multifunctional clutch testing stand, driving motor output shaft is connected by the 1st torque sensor with the I shelves input shafts of two gear gearboxes, quiet motor of turning round is connected by the 3rd torque sensor with II grade of input shaft of two gear gearboxes, the output shaft of two gear gearboxes is connected by the 2nd torque sensor with subject Clutch input shaft, and subject clutch output shaft is connected by a transition power transmission shaft with loading motor；When two grades of gearboxes are placed in I grades, motor is connected with subject clutch, when two grades of gearboxes are placed in II grade, and quiet torsion motor is connected with subject clutch；Axle braking system is installed, when clutch is connected with quiet torsion motor, axle braking system locking carries out the quiet torsional test of subject clutch on transition power transmission shaft.The present invention is simple to operate, and automaticity is high, with good reliability and maintainability, high safety.
Description
Technical field
The present invention relates to a kind of multifunctional clutch testing stand.
Background technology
The testing stand function of existing clutch is single, is largely only capable of doing the endurancing and general performance examination of clutch
Test, it is impossible to the actual condition of abundant simulated clutch, it is impossible to do the quiet torsional test of clutch, it is impossible to which simulated roadway is composed, it is impossible to surveyed
Measure clutch friction plate Temperature Distribution.The inertia simulation precision of existing clutch test stand is low, most of using Flywheel disc simulation
Rotary inertia, it is impossible to realize electrodeless inertia regulation, receiving the machining accuracy of Flywheel disc influences larger, testing stand operating risk coefficient
It is high.Itself inertia of the motor of existing clutch test stand is larger, it is impossible to the characteristic of true reappearance engine, difference simulation
The impact that clutch is received in actual condition.Due to the actual environment complex of clutch, it need to carry out under high and low temperature environment
Performance test and reliability test.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of multifunctional clutch testing stand.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of multifunctional clutch testing stand, including motor, quiet torsion motor, loading motor, the 1st torque sensor,
2nd torque sensor, the 3rd torque sensor, two gear gearboxes；
Two gear gearboxes include I gear input shaft, II gear input shaft and output shaft；I gear input shaft and output shaft, II gear input
Connected between axle and output shaft by gear pair；Two gear gearboxes can be in two kinds of input shapes of I gear input shaft and II gear input shaft
Switch between state；
Driving motor output shaft is kept off input shaft with the I of two gear gearboxes by the 1st torque sensor and is connected, and quiet torsion motor leads to
Cross the 3rd torque sensor to be connected with II gear input shaft of two gear gearboxes, the output shaft of two gear gearboxes passes through the 2nd torque sensing
Device is connected with subject Clutch input shaft, and subject clutch output shaft is connected by a transition power transmission shaft with loading motor；
When two gear gearboxes are placed in I gears, motor is connected by two gear gearboxes with subject clutch；Two gear gearboxes
When being placed in II gear, quiet torsion motor is connected by two gear gearboxes with subject clutch；
Axle braking system is installed on transition power transmission shaft, when clutch is connected with quiet torsion motor, axle braking system locking,
Carry out the quiet torsional test of subject clutch；
Also include clutch plunger pressure oil and supply regulating system；
Clutch plunger pressure oil supply regulating system includes fuel tank, independent pumping plant, proportional servo overflow valve, electromagnetic switch
Valve, filter, oil pressure sensor, temperature sensor and flow sensor；
Fuel tank is connected to independent pumping plant through filter, independent pumping plant passing ratio servo overflow valve, solenoid directional control valve to from
Clutch piston pressure fuel feeding；Oil pressure sensor, temperature sensor and flow sensor are used for the piston pressure for detecting subject clutch
Power, oil temperature and fuel supply flow rate；
Proportional servo overflow valve controls clutch plunger oil pressure, while by oil pressure sensor Real-time Feedback piston oil pressure, structure
Into high precision closed loop control.
Preferably, also including frequency converter；Frequency converter carries out stepless frequency control control to motor.
Preferably, also including environment storehouse；It is tested clutch to be arranged in environment storehouse, the temperature control in environment storehouse is -45
DEG C~120 DEG C, for carrying out the performance test under different temperatures environment to clutch.
Preferably, motor is the synchronous motor of ultralow inertia, the rotary inertia of motor is less than
0.05kg.m2.；Loading motor is the ac variable frequency speed regulation motor of low inertia, and the rotary inertia of loading motor is less than 2kg.m2。
Preferably, the 1st torque sensor, the 2nd torque sensor, the 3rd torque sensor are moment of torsion flange.
Preferably, also including Spot Data Acquisition System and industrial computer；The Spot Data Acquisition System by NI PXI
Series of high speed simultaneous data-acquisition and corresponding binding post and cable composition；Industrial computer is carried out by Ethernet and frequency converter
High speed communication is controlled；1st torque sensor, the 2nd torque sensor, the 3rd torque sensor, oil pressure sensor, temperature sensor
With the data of flow sensor by Spot Data Acquisition System by Ethernet high-speed transfer into industrial computer.
Preferably, being also independently from the real-time control module of industrial computer；Real-time control module is to frequency converter and clutch
Device piston oil pressure carries out real-time dynamic control, and industrial computer only plays data display, downloaded to real-time control module, Yi Jiren
The function of machine operation；Ethernet communication is used between real-time control module and frequency converter, data collecting system and industrial computer.
Preferably, subject clutch friction plate on radial distribution several points and pre-buried thermocouple, thermocouple it is defeated
Go out signal and Spot Data Acquisition System is transferred to by high speed collecting ring, to obtain temperature of the clutch friction plate under different operating modes
Degree distribution.
The beneficial effects of the invention are as follows：
(1) can dynamic reaction clutch friction plate in real time Temperature Distribution, be clutch surface groove design and
Design of material provides very favorable data；
(2) real-time control module is introduced, the problem of clutch high dynamic simulation is solved；
(3) engine characteristics simulation is solved as the motor of clutch using the synchronous motor of extremely low inertia
Problem；
(4) loading motor is simulated using road load and controlled, or the control of road spectrum data input, solve clutch and bear
Carry the problem of simulation is inaccurate；
(5) high and low temperature environment storehouse is used in clutch test stand, the examination under high and low temperature environment can be carried out to clutch
Test；
(6) gearbox is kept off using two, adds big turn round of low speed and drive and output shaft braking system, clutch can be carried out quiet
Torsional test；
(7) clutch test is changed after frock, can also realize the experiment to dry clutch, friction plate etc..
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the functional block diagram of multifunctional clutch testing stand embodiment of the present invention.
Fig. 2 is the clutch plunger pressure oil supply regulating system of multifunctional clutch testing stand embodiment of the present invention.
Marked in Fig. 2：1-fuel tank, 2-liquid level gauge, 3-filter, 4-independent pumping plant, 5-servo ratio overflow valve,
6-solenoid directional control valve, 7-pressure sensor, 8-flowmeter, 9-temperature sensor, 10-clutch plunger.
Fig. 3 is the clutch cooling oil supply regulating system of multifunctional clutch testing stand embodiment of the present invention.
Fig. 4 is the sensor data acquisition system of multifunctional clutch testing stand embodiment of the present invention.
Fig. 5 is the control system topological diagram of multifunctional clutch testing stand embodiment of the present invention.
Fig. 6 is the loading system algorithm principle figure of multifunctional clutch testing stand embodiment of the present invention.
Embodiment
Fig. 1 is a kind of multifunctional clutch testing stand (hereinafter referred to as testing stand).The testing stand by drive load system, from
Clutch piston pressure oil supply regulating system, the oily Oil-temperature control system of clutch lubrication, clutch environment temperature control system, reality
When control system, sensor data acquisition system, auxiliary monitoring system and host computer operating system composition.
Each subsystem is described below：
(1) drive load system
Drive load system AC converter, motor, quiet torsion motor, loading motor, two gear gearboxes, shaft coupling,
Power transmission shaft, motor installation base, gearbox mounting seat, bearing block and corresponding control electric circuit composition.Driving and loading
System electric control schematic diagram such as Fig. 1.
Loading motor is used for fictitious load inertia, and motor is used for the engine simulated and clutch is connected.
Motor is the synchronous motor of ultralow inertia, and rotary inertia is less than 0.05kg.m2, passes through the side of electric inertia simulation
Method carries out inertia simulation, with the inertia of simulated engine., can be with by changing the pipeline of motor and the inertia of loading motor
Match test is carried out to clutch.
When the quiet torsional test of progress clutch, two gear speed changes are shifted on quiet torsion motor driving shaft, clutch output shaft
Axle braking system locking clutch output shaft, starts quiet torsion motor, you can carry out the quiet torsional test of clutch.
(2) clutch plunger pressure oil supply regulating system
As shown in Fig. 2 clutch plunger pressure oil feed system uses independent pumping plant 4, servo ratio overflow valve 5, electromagnetism
Reversal valve 6, filter 3, pressure sensor 7, temperature sensor 8 and flow sensor 9 are constituted.Wherein independent pumping plant 4 is by fuel tank 1
Lubricating oil through filter 3, then by servo ratio overflow valve 5, solenoid directional control valve 6 to the forced feed of clutch plunger 10, oil
Case 1 is also equipped with the liquid level gauge 2 for monitoring oil tank liquid level.
Pressure sensor 7, temperature sensor 8 and flow sensor 9 are used for piston pressure, the oil temperature for detecting wet clutch
And fuel supply flow rate.
Proportional servo overflow valve controls clutch plunger oil pressure, while by oil pressure sensor Real-time Feedback piston oil pressure, structure
Into high precision closed loop control.
Clutch plunger pressure oil feed system uses servo electrohydraulic control system, controls oil pressure, meanwhile, system is also equipped with
The functions such as overload protection.
(3) the oily Oil-temperature control system of clutch lubrication
Clutch lubrication oil Oil-temperature control system is used for the lubricating oil of temperature needed for being provided to clutch, and its temperature can be controlled
System is at 25 DEG C~120 DEG C, and system is by pumping plant, oil sump, heater, cooler, electric flow control valve, temperature sensor, pressure
Sensor etc. is constituted.The Oil-temperature control system that the present embodiment is used uses normal hydraulic oil as temperature control medium, in clutch
Lubricating oil heated or cooled down, it is to avoid direct clutch lubricating oil is heated, and causes heater surfaces localized hyperthermia,
Make deterioration of oil.The specific heat capacity of oil is small compared with water, and when being cooled down to lubricating oil, temperature control is more steady, be not in water cooling from
During clutch lubricating oil, Lubricating Oil Temperature fluctuates larger phenomenon.When carrying out clutch lubrication oil Oil-temperature control, temperature control medium oil pump
Heater and cooler in standing are responsible for controlling the temperature of temperature control medium oil, and temperature control medium oil is by cast cooler to clutch
Lubricating Oil Temperature is controlled, right using the temperature sensor Real-time Feedback temperature in the pipeline of clutch lubrication oil-in
Temperature control medium oil oil temperature is controlled, to realize the control to the oily oil temperature of clutch lubrication.Clutch lubrication oil oil temperature temperature control system
Precision ± 1 DEG C, 25 DEG C~120 DEG C of control range, control principle is as shown in Figure 3.
(4) clutch environment temperature control system
Clutch environment temperature control system carries out environment temperature simulation using high and low temperature environment storehouse.Temperature controlling range-
45 DEG C~120 DEG C, for carrying out the performance test under different temperatures environment to clutch.The both sides in environment storehouse are provided with axis hole, use
The connection of Clutch input shaft and output shaft in environment storehouse.Compression ring is installed on the outside of axis hole, leads to compressed air, gas is formed
Wall, reduces the internal and external temperature exchange of environment storehouse.Environment storehouse is controlled using ripe refrigeration pump and heater to environment storehouse temperature.
(5) control system is controlled in real time
Real-time control system is the core of clutch test stand, and the response time of real-time control system directly determines inertia mould
Whether intend accurate.The present embodiment is controlled in real time using the RT real-time control modules of NI companies of the U.S., and industrial computer edits control
Processing procedure sequence, the operation interface downloaded in the RT real-time control modules, industrial computer is merely responsible for operating and shown, not responsible to system
It is controlled.The real-time control program that the present embodiment is used, it is to avoid the reality being monitored in industrial computer using control software
The not high shortcoming of when property.The real-time control module realizes motor simulated engine independently of industrial computer, dynamometer machine (plus
Carry motor) simulated roadway load and clutch output rotary inertia.Real-time control module uses ether Netcom with frequency converter
News, quick at a high speed, the response time of real-time control system is no more than 1ms.
(6) sensor data acquisition system
Sensor data acquisition system is by the RT real-time control modules of NI companies, sensor, voltage-stabilized power supply, shielded cable group
Into Real time capable module is received after data, is transferred to by Ethernet in display industrial computer.Furthermore, it is necessary to constitute closed-loop control letter
Number, the program downloaded in RT modules realizes closed-loop control automatically automatically according to sensing data is received.
Sensor includes：Three torque speed sensors (the 1st, the 2nd, the 3rd torque speed sensor), two motors (drive
Dynamic motor and loading motor) encoder, it is embedded into the thermocouple in friction plate, oil pressure sensor, oil temperature sensor device.
Sensor data acquisition system framework is as shown in Figure 4.
(7) auxiliary monitoring system
Auxiliary monitoring system is used for safeguards system safe operation, and system is using core controls of the PLC as auxiliary monitoring system
Device processed.PLC uses ethernet communication with host computer, carries out data transmission.The monitored object of auxiliary monitoring system includes：Driving
The front and back bearings temperature of the winding temperature of motor and loading motor, motor and loading motor, the axle of transmission system bearing block
Temperature is held, the bearing temperature of two gear gearboxes, two gear gearbox lubrication oil temperatures, frequency converter control cabinet temperature, jerk control is right
The adapter aid in treatment of RT module design tasks (when RT modules break down, can be realized to driving by being operated to PLC
The control of motor and loading motor, with safeguards system safety).Auxiliary monitoring system framework is as shown in Figure 5.
(8) host computer operating system
Host computer operating system is man machine operation interface
Driving and load blocksization design, using Special base plate, make variable frequency, AC motor, torque sensor (using torsion
Moments method is blue) it is integrally formed, whole testing stand stability, reliability is dramatically improved and is lifted.
The experiment of test specimen is influenceed by factors such as such as test method, control system, sampling analysis systems, more important
The structure depending on mechanical system.Pilot system operating rate is in one very wide scope, and rotating speed is bordering on zero-speed during low speed,
Main shaft 6000rpm during high speed, and experiment may be in whole velocity interval.Lathe bed, frames, main shaft --- bearing arrangement
Dynamic characteristic influence lathe vibration and the reliability of equipment, and pilot system vibration in itself, noise have an effect on test specimen survey
The accuracy of examination.Main shaft --- bearing arrangement is a complicated vibrational system, its dynamic characteristic not only with the damping of system and
Static stiffness is relevant, also relevant with the vibration shape determined by system architecture.Therefore when carrying out mechanical part design, dynamics is passed through
Analysis, calculates single order, the second order intrinsic frequency of base, casing etc..Its single order, second order intrinsic frequency is set to avoid the rotating speed of experiment
Scope, it is to avoid mechanical system produces resonance in the range of test speed.Ground is provided with vibration isolation groove.
Simultaneously in order to avoid producing resonance, reduce vibration, the ball cage type power transmission shaft of access test specimen must have dynamic higher than G2.5
Balance accuracy grade.Increase vibration isolation measure between test specimen mounting bracket and lathe bed.Lathe bed bottom plate is using casting T groove flat boards.
Stand presses Ergonomics design, and appearance looks elegant is generous, it is ensured that pilot system radiating is good, easy to adjust.
The loading system of the present embodiment provides two kinds of load calculating methods：Equation and measured data simulation.
(1) equation simulating vehicle is loaded, and load includes：Rolling resistance, windage, acceleration resistance, gradient resistance.
(2) measured data simulation measures the road resistance of vehicle by the way of vehicle high-speed is slided, and system uses data
Fitting, load simulation is carried out according to matched curve.
Loading system uses electric A.C. dynamometer simulating vehicle windage and surface resistance.Road vehicle load simulation system
Actual condition for simulating vehicle.Motor simulated engine, control system is by moment of torsion and speed probe by signal
Road load simulation system is fed back to, load simulation system calculates road by algorithm and goes out load, controlled loading system.Algorithm is former
Reason is as shown in Figure 6.
The present embodiment has following technical characterstic：
(1) ease of handling.Realized using the industrial button on computer screen human-computer interaction function or panel to being
The operation of system.Used measure and control instrument, which is all concentrated, in experiment is placed on the guidance panel of testing stand, makes all ginsengs in experiment
Number is very clear.
(2) maintainability of system.System has fault inquiry function, accessory system fault diagnosis；In addition, testing stand is most
Selection standard part is measured, interchangeability is good；Each device, part or the system of complete equipment are in design, it is considered to repair, maintenance side
Just, when changing spare part or consumable accessory, convenient disassembly.
(3) Machine Design has enough rigidity and dynamic equilibrium precision, and is optimized using finite element analysis, can have
Effect avoids any link in driving-chain from producing additional bending moment and extraordinary noise, and can meet the high-revolving performance of high pulling torque will
Ask.
(4) equipment high reliability.When high-speed flexible shaft coupling is operated under rated load, its fatigue life presses infinite life
Design.The low voltage components such as relay, contactor select quality product, it is ensured that the reliable and service life of quality.
(5) automaticity is high.Control system realizes all-purpose computer control, can realize the fully automatic operation of unit.Letter
Breath transmission automation, digitlization, to improve its antijamming capability.
(7) high safety.Power failure, overload, overcurrent, overvoltage, under-voltage, it is disconnected mutually and overheat etc. can automatic protection.
Testing stand has reliable protection, it is to avoid personal injury, protector is safe and reliable, neat appearance, convenient installation, dismounting and tune
It is whole.
The embodiments of the present invention described above are not intended to limit the scope of the present invention.It is any in the present invention
Spirit and principle within the modifications, equivalent substitutions and improvements made etc., should be included in the claim protection model of the present invention
Within enclosing.
Claims (8)
1. a kind of multifunctional clutch testing stand, it is characterised in that：Turned round including motor, quiet torsion motor, loading motor, the 1st
Square sensor, the 2nd torque sensor, the 3rd torque sensor, two gear gearboxes；
The two gears gearbox includes I gear input shaft, II gear input shaft and output shaft；The I gear input shaft and output shaft, II gear
Connected between input shaft and output shaft by gear pair；The two gears gearbox can be in I gear input shaft and II gear input shaft two
Plant switching between input state；
The driving motor output shaft is kept off input shaft with the I of two gear gearboxes by the 1st torque sensor and is connected, the quiet torsion electricity
Machine is connected by the 3rd torque sensor with II gear input shaft of two gear gearboxes, and the output shaft of the two gears gearbox passes through the 2nd
Torque sensor is connected with subject Clutch input shaft, and subject clutch output shaft is connected by a transition power transmission shaft and loading motor
Connect；
When the two gears gearbox is placed in I gears, motor is connected by two gear gearboxes with subject clutch；Two gear becomes
When fast case is placed in II gear, quiet torsion motor is connected by two gear gearboxes with subject clutch；
Axle braking system is installed on the transition power transmission shaft, when clutch is connected with quiet torsion motor, axle braking system locking,
Carry out the quiet torsional test of subject clutch；
Also include clutch plunger pressure oil and supply regulating system；
The clutch plunger pressure oil supply regulating system includes fuel tank, independent pumping plant, proportional servo overflow valve, electromagnetic switch
Valve, filter, oil pressure sensor, temperature sensor and flow sensor；
The fuel tank is connected to independent pumping plant through filter, independent pumping plant passing ratio servo overflow valve, solenoid directional control valve to from
Clutch piston pressure fuel feeding；The oil pressure sensor, temperature sensor and flow sensor are used for the work for detecting subject clutch
Fill in pressure, oil temperature and fuel supply flow rate；
The proportional servo overflow valve controls clutch plunger oil pressure, while by oil pressure sensor Real-time Feedback piston oil pressure, structure
Into high precision closed loop control.
2. multifunctional clutch testing stand according to claim 1, it is characterised in that：Also include frequency converter；The frequency conversion
Device carries out stepless frequency control control to motor.
3. multifunctional clutch testing stand according to claim 1, it is characterised in that：Also include environment storehouse；The subject
Clutch is arranged in environment storehouse, and the temperature control in the environment storehouse is different for being carried out to clutch at -45 DEG C~120 DEG C
Performance test under temperature environment.
4. multifunctional clutch testing stand according to claim 1, it is characterised in that：The motor is ultralow inertia
Synchronous motor, the rotary inertia of motor is less than 0.05kg.m2；The loading motor is the ac variable frequency speed regulation of low inertia
Motor, the rotary inertia of loading motor is less than 2kg.m2。
5. multifunctional clutch testing stand according to claim 1, it is characterised in that：1st torque sensor, the 2nd
Torque sensor, the 3rd torque sensor are moment of torsion flange.
6. multifunctional clutch testing stand according to claim 1, it is characterised in that：Also include Spot Data Acquisition System
And industrial computer；The Spot Data Acquisition System by N I PXI series of high speed simultaneous data-acquisition and corresponding binding post
With cable composition；The industrial computer carries out high speed communication control by Ethernet and frequency converter；1st torque sensor, the 2nd
Torque sensor, the 3rd torque sensor, oil pressure sensor, the data of temperature sensor and flow sensor are by field data
Acquisition system is by Ethernet high-speed transfer into industrial computer.
7. multifunctional clutch testing stand according to claim 1, it is characterised in that：It is also independently from the reality of industrial computer
When control module；The real-time control module carries out real-time dynamic control to frequency converter and clutch plunger oil pressure, and industrial computer is only
Play data display, the function of downloading to real-time control module and human-machine operation；Real-time control module and frequency converter,
Ethernet communication is used between data collecting system and industrial computer.
8. multifunctional clutch testing stand according to claim 1, it is characterised in that：The friction plate of the subject clutch
Upper radial distribution several points and pre-buried thermocouple, the output signal of thermocouple are transferred to field data by high speed collecting ring and adopted
Collecting system, to obtain Temperature Distribution of the clutch friction plate under different operating modes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510585793.2A CN105092244B (en) | 2015-09-15 | 2015-09-15 | A kind of multifunctional clutch testing stand |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510585793.2A CN105092244B (en) | 2015-09-15 | 2015-09-15 | A kind of multifunctional clutch testing stand |
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| CN105092244A CN105092244A (en) | 2015-11-25 |
| CN105092244B true CN105092244B (en) | 2017-07-21 |
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| CN201510585793.2A Active CN105092244B (en) | 2015-09-15 | 2015-09-15 | A kind of multifunctional clutch testing stand |
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| CN107478919B (en) * | 2016-07-07 | 2021-02-26 | 宝沃汽车（中国）有限公司 | Testing device for vehicle electric drive system |
| CN107796619A (en) * | 2016-08-31 | 2018-03-13 | 浙江俊博汽车部件有限公司 | A kind of clutch quality detecting system and its detection method |
| CN108072523A (en) * | 2017-12-12 | 2018-05-25 | 上海交运汽车动力系统有限公司 | A kind of clutch assembly fatigue test system and method |
| CN109060345B (en) * | 2018-08-09 | 2020-04-28 | 宁波华表机械制造有限公司 | Clutch ten thousand test beds |
| CN108843655B (en) * | 2018-08-22 | 2020-09-22 | 湘潭大学 | Test method for test bench for environmental adaptability of electro-hydraulic module of automatic transmission |
| CN109406162B (en) * | 2018-09-21 | 2020-10-16 | 湖南吉利汽车部件有限公司 | Clutch facing anti-rotation test device |
| CN109916810A (en) * | 2018-12-28 | 2019-06-21 | 中国矿业大学(北京) | The simulation of dry type sliding friction pair interface transient temperature and test macro and disk disk module |
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| CN110701473B (en) * | 2019-11-27 | 2020-10-02 | 安徽江淮汽车集团股份有限公司 | Cooling oil flow measuring system of clutch |
| CN111665042B (en) * | 2020-06-16 | 2021-11-16 | 中国北方车辆研究所 | Centrifugal oil-throwing valve test device |
| CN112857828A (en) * | 2021-01-14 | 2021-05-28 | 北京理工大学 | Dual-independent vehicle transmission measurement and control system |
| CN113740059A (en) * | 2021-09-07 | 2021-12-03 | 安徽江淮汽车集团股份有限公司 | Clutch heat capacity testing device |
| CN113776822A (en) * | 2021-09-22 | 2021-12-10 | 西安法士特汽车传动有限公司 | Torsion fatigue test system and method for separating clutch assembly |
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| JPH0526777A (en) * | 1991-07-26 | 1993-02-02 | Aisin Chem Co Ltd | Clutch tester |
| JPH0552703A (en) * | 1991-08-28 | 1993-03-02 | Aisin Chem Co Ltd | Method and apparatus for testing lockup clutch |
| JPH07253382A (en) * | 1994-03-15 | 1995-10-03 | Kanzaki Kokyukoki Mfg Co Ltd | Testing apparatus of characteristic of clutch friction plate |
| JP5001625B2 (en) * | 2006-10-30 | 2012-08-15 | トヨタ自動車株式会社 | Friction test equipment |
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| CN201622170U (en) * | 2009-11-17 | 2010-11-03 | 徐工集团工程机械有限公司 | Reliability testing device of gear clutch of speed-changing box |
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| KR101269403B1 (en) * | 2012-11-21 | 2013-06-04 | 케이피엔티(주) | Lock-up clutch testing apparatus for torque converter |
| CN103837346A (en) * | 2014-03-25 | 2014-06-04 | 天津市松正电动汽车技术股份有限公司 | Clutch detection test-bed |
| CN204064652U (en) * | 2014-08-13 | 2014-12-31 | 洛阳理工学院 | A kind of high power clutches Performance Test System |
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- 2015-09-15 CN CN201510585793.2A patent/CN105092244B/en active Active
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