CN108956064A - A kind of double mass flywheel dynamic rate measuring device and measuring method - Google Patents
A kind of double mass flywheel dynamic rate measuring device and measuring method Download PDFInfo
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- CN108956064A CN108956064A CN201810827884.6A CN201810827884A CN108956064A CN 108956064 A CN108956064 A CN 108956064A CN 201810827884 A CN201810827884 A CN 201810827884A CN 108956064 A CN108956064 A CN 108956064A
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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
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0075—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by means of external apparatus, e.g. test benches or portable test systems
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Abstract
The invention discloses a kind of double mass flywheel dynamic rate measuring device and measuring method, pass through the relevant tools such as setting input motor, load motor, torque detecting apparatus and rotation angle detection apparatus, use the measurement method of double mass flywheel and gearbox, realize effective use of the double mass flywheel dynamic rate measurement to common three motor, under the premise of guaranteeing measurement accuracy, dynamic rate of the double mass flywheel under various actual operating modes can be comprehensively measured；By obtaining dynamic rate characteristic of the double mass flywheel under different transmitting torques, different driving frequencies and fluctuation amplitude, to instruct the matched design of the powertrain such as double mass flywheel and engine and gearbox, preferably to improve the NVH performance of vehicle.
Description
Technical field
The present invention relates to ride-control fields of measurement more particularly to a kind of double mass flywheel dynamic rate measuring device and
Measurement method.
Background technique
Double mass flywheel is mounted between engine and gearbox, it not only has as a kind of novel torsional vibration damper
There are the simple substance amount flywheel energy storage of transmission and the function of vibration damping, power train can also be adjusted by the way that different inertia and rigidity is arranged
Torsional Vibration Natural Frequency characteristic, and reduce using the damping structure of itself amplitude of shafting, effectively absorb and decaying is started
Machine output vibration, improves the torsional oscillation performance of power train, and it is most effective to have become improvement automobile power-transmission system torsional vibration characteristic at present
Means.
Double mass flywheel in high-speed rotation process, due to the rotating inertia force of own components, torque ripple and motivates frequency
The influence of the factors such as rate, stiffness characteristics will necessarily there are difference with the stiffness characteristics under static state, show a kind of obvious
Dynamic rate characteristic.When carrying out double mass flywheel and powertrain match designs, if the dynamic for not knowing about its own is rigid
Characteristic is spent, is only designed by the static characteristic data of double mass flywheel, is necessarily difficult to reach ideal matching effect.
Wherein: T1--- --- primary flywheel torque (Nm), T2--- --- secondary flywheel torque (Nm), J1--- --- primary flies
Take turns rotary inertia (kgm2), J2--- --- secondary Rotary Inertia of Flywheel (kgm2), θ1--- --- primary flywheel turns over angle (°),
θ2--- --- secondary flywheel turns over angle (°), K------ double mass flywheel torsion rigidity (Nm/ °), C------ double mass flywheel
Damped coefficient (Ns/m)；
If ω is exciting angular frequency, the torsional oscillation amplitude of primary and secondary flywheel is respectively A1And A2, then θ1=A1Sin (ω t), θ2
=A2Sin (ω t), then oscillatory differential equation are as follows:
The stiffness K and damping C of double mass flywheel are required known variables, and rotary inertia is factory with regard to known parameter, institute
As long as calculating dynamic by formula to measure the torque and corner variation of primary and secondary flywheel in double mass flywheel operation
Rigidity and dynamic antivibration.
Double mass flywheel dynamic rate is measured, main difficulty is that measuring device can make double mass flywheel primary
Quality and secondary mass are at high speed rotation state, to simulate its actual working state；Input speed range is arrived 0
6000rev/min, 2 order frequencies are up to 200Hz, input the peak torque of motor up to 300Nm or more.According to engine
Excitation as double mass flywheel inputs, then due to the complexity of engine itself operating condition, it is difficult to be advised from test result
The conclusion of rule property.
Dynamic rate characteristic research method to double mass flywheel under different rotating speeds, different torques and fluctuation amplitude at present
Mainly use or CAE emulation mode, some colleges and universities or research institution carried out applying frequency and vibration using hydraulic actuator
The method of width carried out measurement to the dynamic rate of clutch.Clutch driven plate is exactly connected in hydraulic actuation by this method
On device, the disc core of clutch is fixed on one end and remains stationary, and measurement obtains the dynamic rate characteristic of clutch.This measurement side
Method is similar with double mass flywheel static rigidity measurement method, only changes the input torque that static rigidity measures by static torque
For the torque with certain vibration frequency applied by hydraulic actuator.This method is applied since one end of clutch is fixed
The torque added cannot be too big, easilys lead to clutch spring if torque is too big and is directly compressed into the limit；Driving frequency
It also can only be in 100Hz hereinafter, amplitude is also only to apply lesser angle fluctuation in the torsion angular region of clutch.Although energy
The stiffness characteristics of spring element are measured to a certain extent, but are unable to measure out other components of double mass flywheel, such as sliding block
The factors such as the CONTACT WITH FRICTION of distribution, spring cavity with the inertia force, lubricant grease of spring are under real work revolving speed, operation torque
Influence to spring stiffness values.
Summary of the invention
It is existing to solve the object of the present invention is to provide a kind of double mass flywheel dynamic rate measuring device and measuring method
The problems in technology can accurately and efficiently measure double mass flywheel dynamic rate.
The present invention provides a kind of double mass flywheel dynamic rate measuring device, and double mass flywheel includes primary flywheel and secondary
Flywheel, the double mass flywheel dynamic rate measuring device include:
Motor is inputted, is connect with the primary flywheel；
Torque detecting apparatus and rotation angle detection apparatus on input motor are set, are respectively used to measure primary flywheel
Torque and rotation angle；
Gearbox, the input shaft of gearbox are connect with the secondary flywheel；
Rotation angle detection apparatus on the input shaft of gearbox is set, the rotation of the input shaft for measuring gearbox
Angle；
The differential mechanism of transmission internal is set；
Two load motors are provided with torque inspection on each load motor respectively with half axis connection of the left and right of differential mechanism
Device is surveyed, is respectively used to measure the torque of each load motor.
Preferably, the torque detecting apparatus includes torque sensor, the rotation angle detection apparatus includes rotation
Encoder.
Preferably, the double mass flywheel dynamic rate measuring device further include:
Lubricating arrangement outside gearbox is set, and the lubricating arrangement is connect with gearbox, for transmission internal
Be lubricated in gear gear, bearing and differential gear.
Preferably, the lubricating arrangement includes:
Grease-box, the grease-box by three oil pipes respectively on gear box casing the cooling oilhole of clutch,
Eject gear oilhole, differential gear lubrication injection oil pipe are connected；
Oil pump, the oil inlet of oil pump and the oil discharge screw hole of gearbox connect, the oil outlet of oil pump and the oil of grease-box
Slot connection.
Preferably, the range of speeds of the input motor is 150rev/min-6000rev/min, torque value range
For ± 310Nm, frequency range 5Hz-200Hz.
Based on the double mass flywheel dynamic rate measuring device, a kind of double mass flywheel dynamic rate measurement method,
The double mass flywheel dynamic rate measurement method includes:
Double mass flywheel is loaded by input motor and is motivated；
By the torque detecting apparatus and rotation angle detection apparatus on input motor, the torque of primary flywheel is measured respectively
With rotation angle；
By the rotation angle detection apparatus on the input shaft of gearbox, the rotation angle of the input shaft of gearbox is measured；
By the torque detecting apparatus on two load motors, the torque of two load motors is measured；
Pass through the torque of primary flywheel and rotation angle, the rotation angle of the input shaft of gearbox, two load motors
Torque obtains double mass flywheel dynamic rate.
Preferably, the double mass flywheel dynamic rate measurement method further include:
The excitation that variation input motor loads double mass flywheel, so that input motor is multiple not to double mass flywheel load
The excitation of same frequency, different fluctuation amplitude torques, different size torque；
The torque and the rotation angle of rotation angle, the input shaft of gearbox of the primary flywheel under each excitation are obtained respectively
The torque of degree, two load motors；
Pass through the torque and rotation angle of the primary flywheel under each excitation, the rotation angle of the input shaft of gearbox, two
The torque of a load motor obtains double mass flywheel dynamic rate and transmits the relation curve, dynamic rate and excitation frequency of torque
Rate relation curve and dynamic rate and torque ripple magnitude relation curve.
Preferably, the double mass flywheel dynamic rate measurement method further include:
When measuring dynamic rate step, the velocity of rotation for obtaining primary flywheel and secondary flywheel becomes with acceleration change
Power curve.
Preferably, the gearbox only retains the normal operation function an of gear.
Preferably, the rotation angle detection apparatus on the input shaft by gearbox, measures the input of gearbox
The rotation angle of axis, specifically includes:
The clutch of gearbox is locked by steel disc, so that secondary flywheel and clutch and transmission input shaft are in rigidity
Connection, the angle measured by the rotation angle detection apparatus on the input shaft of gearbox, subtracts secondary flywheel and input shaft connects
The spline gaps value connect to get to gearbox input shaft rotation angle.
Double mass flywheel dynamic rate measuring device and measuring method provided by the invention by setting input motor, are born
The relevant tools such as motor, torque detecting apparatus and rotation angle detection apparatus are carried, that is, use the survey of double mass flywheel and gearbox
Amount mode realizes effective use of the double mass flywheel dynamic rate measurement to common three motor, is guaranteeing measurement accuracy
Under the premise of, it can comprehensively measure dynamic rate of the double mass flywheel under various actual operating modes；Moreover, in the present invention
The gearbox of use only retains the transmission agency of 1 gear, and realizes the cold of the components such as tooth, bearing by external lubrication device
But it lubricates, reduces gearbox other component bring loss of machine of torque factors in transmission process, reduce the difficulty of data analysis
Degree；And locked processing has been carried out to clutch in the present invention, enable input Shaft angle of the corner of secondary flywheel with gearbox
It is consistent, by installing rotary encoder measurement input Shaft angle in input shaft, it is difficult to solve secondary flywheel outer corner measurement
The problem of；In addition, rigid in different transmitting torques, different driving frequencies and the dynamic under fluctuation amplitude by obtaining double mass flywheel
Characteristic is spent, to instruct the matched design of the powertrain such as double mass flywheel and engine and gearbox, preferably to improve
The NVH performance of vehicle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of double mass flywheel dynamic rate measuring device provided in an embodiment of the present invention；
Fig. 2 is the flow diagram for the double mass flywheel dynamic rate measurement method that further embodiment of this invention provides.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
As shown in Figure 1, the embodiment of the present invention provides a kind of double mass flywheel dynamic rate measuring device, double mass flywheel packet
Primary flywheel and secondary flywheel are included, the double mass flywheel dynamic rate measuring device includes:
Motor is inputted, is connect with the primary flywheel；
Torque detecting apparatus and rotation angle detection apparatus on input motor are set, are respectively used to measure primary flywheel
Torque and rotation angle；
Gearbox, the input shaft of gearbox are connect with the secondary flywheel；
Rotation angle detection apparatus on the input shaft of gearbox is set, the rotation of the input shaft for measuring gearbox
Angle；
The differential mechanism of transmission internal is set；
Two load motors are provided with torque inspection on each load motor respectively with half axis connection of the left and right of differential mechanism
Device is surveyed, is respectively used to measure the torque of each load motor.
Preferably, the torque detecting apparatus includes torque sensor, the rotation angle detection apparatus includes rotation
Encoder.
Wherein, input motor is for realizing different size, the torque exciting input of different fluctuation amplitudes, different frequency, surely
Determining the range of speeds is 150rev/min-6000rev/min, and torque value range is ± 310Nm, frequency range 5Hz-200Hz；Institute
The primary flywheel end for surveying double mass flywheel is connected by ring flange with input motor, and input motor comes with torque sensor and uses
By the primary side torque signal of double mass flywheel and turned in the rotary encoder of measurement rotation angle by data acquisition equipment
Angle signal collects computer；It inputs the included torque sensor required precision of motor and is better than ± 0.5Nm, rotary encoder corner is surveyed
Accuracy of measurement requires to reach ± 0.02 DEG C of A；The included torque sensor of load motor is for acquiring load torque, torque measurement precision
It is required that for better than ± 0.5Nm；
The secondary flywheel end of surveyed double mass flywheel is connected with transmission input shaft, and transmission input shaft is equipped with rotation and compiles
Code device, rotary encoder are directly installed on input shaft rear end by tooling, for measuring input Shaft angle；It rotates and compiles on input shaft
The outer corner measurement required precision of code device reaches ± 0.02 DEG C of A, and the mounting tool positioning surface of rotary encoder is coaxial with input shaft
Degree requires to reach within 0.04mm.
Measuring differential mechanism is mounted on transmission internal, is connected by left and right semiaxis with load motor, in installation process
It needs to carry out centering debugging to left and right semiaxis, makes the angle zero of universal joint.
The present invention uses double mass flywheel+gearbox measurement method, realizes the measurement pair of double mass flywheel dynamic rate
The effective use of common three motor bench, and solve needed in current measuring technique it is fixed to secondary flywheel brought by not
Foot.
Preferably, the double mass flywheel dynamic rate measuring device further include:
Lubricating arrangement outside gearbox is set, and the lubricating arrangement is connect with gearbox, for transmission internal
Be lubricated in gear gear, bearing and differential gear.
Preferably, the lubricating arrangement includes:
Grease-box, the grease-box by three oil pipes respectively on gear box casing the cooling oilhole of clutch,
Eject gear oilhole, differential gear lubrication injection oil pipe are connected；
Oil pump, the oil inlet of oil pump and the oil discharge screw hole of gearbox connect, the oil outlet of oil pump and the oil of grease-box
Slot connection.
Wherein, the cooling and lubricating in gear gear, bearing, differential gear of measurement gearbox passes through external lubrication device
It realizes, lubricating arrangement cools down oilhole, eject gear oilhole, differential with the clutch on gear box casing respectively using three oil pipes
Device gear lubrication sprays oil pipe and is connected, and the lubrication of bearing gets rid of oily realization by clutch, is realized and is moistened by injection oil pipe in gear gear
Sliding, the lubrication of differential gear is realized by installing injection oil pipe on gear box casing；Install oil pump additional on lubricating arrangement, oil
The oil inlet of pump connects in gearbox oil discharge screw hole, and oil outlet is connected to the oil groove of lubricating arrangement, and oil pump is for extracting gearbox
Interior lubricating oil prevents from making gearbox gear generate churning loss since lubricating oil is excessive.
As shown in Fig. 2, based on the double mass flywheel dynamic rate measuring device, being mentioned in further embodiment of this invention
A kind of double mass flywheel dynamic rate measurement method is supplied, the double mass flywheel dynamic rate measurement method includes:
Double mass flywheel is loaded by input motor and is motivated；
By the torque detecting apparatus and rotation angle detection apparatus on input motor, the torque of primary flywheel is measured respectively
With rotation angle；
By the rotation angle detection apparatus on the input shaft of gearbox, the rotation angle of the input shaft of gearbox is measured；
By the torque detecting apparatus on two load motors, the torque of two load motors is measured；
Pass through the torque of primary flywheel and rotation angle, the rotation angle of the input shaft of gearbox, two load motors
Torque obtains double mass flywheel dynamic rate.
Preferably, the double mass flywheel dynamic rate measurement method further include:
The excitation that variation input motor loads double mass flywheel, so that input motor is multiple not to double mass flywheel load
The excitation of same frequency, different fluctuation amplitude torques, different size torque；
The torque and the rotation angle of rotation angle, the input shaft of gearbox of the primary flywheel under each excitation are obtained respectively
The torque of degree, two load motors；
Pass through the torque and rotation angle of the primary flywheel under each excitation, the rotation angle of the input shaft of gearbox, two
The torque of a load motor obtains double mass flywheel dynamic rate and transmits the relation curve, dynamic rate and excitation frequency of torque
Rate relation curve and dynamic rate and torque ripple magnitude relation curve.
Preferably, the double mass flywheel dynamic rate measurement method further include:
When measuring dynamic rate step, the velocity of rotation for obtaining primary flywheel and secondary flywheel becomes with acceleration change
Power curve.
Preferably, the gearbox only retains the normal operation function an of gear.
Preferably, the rotation angle detection apparatus on the input shaft by gearbox, measures the input of gearbox
The rotation angle of axis, specifically includes:
The clutch of gearbox is locked by steel disc, so that secondary flywheel and clutch and transmission input shaft are in rigidity
Connection, the angle measured by the rotation angle detection apparatus on the input shaft of gearbox, subtracts secondary flywheel and input shaft connects
The spline gaps value connect to get to gearbox input shaft rotation angle.
Wherein, in the present embodiment, the clutch of gearbox is locked using steel disc, and clutch will not produce in measurement process
Raw cunning is rubbed, to make the secondary flywheel of double mass flywheel with clutch and transmission input shaft in rigid connection relationship, input shaft
On the angle that measures of rotary encoder to subtract secondary flywheel and input the spline gaps value of axis connection be the rotation of secondary flywheel
Gyration to get to gearbox input shaft rotation angle；Locked processing has been carried out to clutch in the present invention, has made secondary fly
The corner of wheel can be consistent with the input Shaft angle of gearbox, measure input shaft by installing rotary encoder in input shaft
Corner solves the problems, such as that secondary flywheel outer corner measurement is difficult.
Gearbox needs to carry out loss of machine of torque measurement before carrying out dynamic rate measurement, to obtain the torque under current shift
Lose numerical value；The load torque of two load motors subtracts the torque during gearbox transmission divided by the resultant gear ratio of gearbox again
Penalty values obtain the torque value of double mass flywheel secondary flywheel；
Measuring gearbox used is that double clutch gearbox is ensuring to reduce transmission internal components loss of torque
Cancel parts thereof on the basis of one gear normal operation function of gearbox, reduce oil level height, cancel TCU control etc..
Gearbox is free of TCU, oil sump, oil pump, hydraulic module and other hydraulic services, only retains the power flow of a gear, remaining
The shift gear and output shaft for being not involved in transmission are not installed, to reduce the influence factor of gearbox transmission loss；In the present invention
The gearbox of use only retains the transmission agency of a gear, and realizes the components such as tooth, bearing by external lubrication device
Cooling and lubricating reduces gearbox other component bring loss of machine of torque factors in transmission process, reduces data analysis
Difficulty；
In practical applications, after putting up test-bed, different frequency, no is loaded to double mass flywheel by input motor
With the excitation of fluctuation amplitude torque, different size torque, the torque of input motor and load motor is obtained by data acquisition equipment
The angle data of data, primary flywheel end and input shaft end；After handling the data of acquisition, it is dynamic that double mass flywheel can be obtained
Relation curve, dynamic rate and the driving frequency relation curve and dynamic rate and torque ripple amplitude of state rigidity and transmitting torque
Relation curve；Meanwhile for the double mass flywheel of multistage rigidity, when can also measure rigidity step, at the beginning of double mass flywheel
Secondary flywheel speed and acceleration change trend；Double mass flywheel is obtained in different transmitting torques, different driving frequencies and fluctuation
Dynamic rate characteristic under amplitude, to preferably instruct of the powertrain such as double mass flywheel and engine and gearbox
With design, to improve the NVH performance of vehicle.
Structure, feature and effect of the invention, the above institute are described in detail based on the embodiments shown in the drawings
Only presently preferred embodiments of the present invention is stated, but the present invention does not limit the scope of implementation as shown in the drawings, it is all according to structure of the invention
Think made change or equivalent example modified to equivalent change, when not going beyond the spirit of the description and the drawings,
It should all be within the scope of the present invention.
Claims (10)
1. a kind of double mass flywheel dynamic rate measuring device, double mass flywheel includes primary flywheel and secondary flywheel, feature
It is, the double mass flywheel dynamic rate measuring device includes:
Motor is inputted, is connect with the primary flywheel；
Torque detecting apparatus and rotation angle detection apparatus on input motor are set, are respectively used to measure the torsion of primary flywheel
Square and rotation angle；
Gearbox, the input shaft of gearbox are connect with the secondary flywheel；
Rotation angle detection apparatus on the input shaft of gearbox is set, the rotation angle of the input shaft for measuring gearbox
Degree；
The differential mechanism of transmission internal is set；
Two load motors are provided with torque detection dress on each load motor respectively with half axis connection of the left and right of differential mechanism
It sets, is respectively used to measure the torque of each load motor.
2. double mass flywheel dynamic rate measuring device according to claim 1, which is characterized in that the torque detection dress
It sets including torque sensor, the rotation angle detection apparatus includes rotary encoder.
3. double mass flywheel dynamic rate measuring device according to claim 1, which is characterized in that the double mass flywheel
Dynamic rate measuring device further include:
Lubricating arrangement outside gearbox is set, and the lubricating arrangement connect with gearbox, for existing to transmission internal
Gear gear, bearing and differential gear are lubricated.
4. double mass flywheel dynamic rate measuring device according to claim 3, which is characterized in that the lubricating arrangement packet
It includes:
Grease-box, the grease-box cool down oilhole, gear with the clutch on gear box casing respectively by three oil pipes
Spray oilhole, differential gear lubrication injection oil pipe is connected；
Oil pump, the oil inlet of oil pump and the oil discharge screw hole of gearbox connect, and the oil outlet of oil pump and the oil groove of grease-box connect
It connects.
5. double mass flywheel dynamic rate measuring device according to claim 1, which is characterized in that the input motor
The range of speeds is 150rev/min-6000rev/min, and torque value range is ± 310Nm, frequency range 5Hz-200Hz.
6. being based on the described in any item double mass flywheel dynamic rate measuring devices of claim 1-5, a kind of double mass flywheel is dynamic
State stiffness measurement method, which is characterized in that the double mass flywheel dynamic rate measurement method includes:
Double mass flywheel is loaded by input motor and is motivated；
By the torque detecting apparatus and rotation angle detection apparatus on input motor, torque and the rotation of primary flywheel are measured respectively
Gyration；
By the rotation angle detection apparatus on the input shaft of gearbox, the rotation angle of the input shaft of gearbox is measured；
By the torque detecting apparatus on two load motors, the torque of two load motors is measured；
By the torque of primary flywheel and rotation angle, the rotation angle of the input shaft of gearbox, two load motors torque,
Obtain double mass flywheel dynamic rate.
7. double mass flywheel dynamic rate measurement method according to claim 6, which is characterized in that the double mass flywheel
Dynamic rate measurement method further include:
The excitation that variation input motor loads double mass flywheel, so that input motor loads multiple and different frequencies to double mass flywheel
The excitation of rate, different fluctuation amplitude torques, different size torque；
The torque and rotation angle, the rotation angle of the input shaft of gearbox, two of the primary flywheel under each excitation are obtained respectively
The torque of a load motor；
It is born by the torque and rotation angle of the primary flywheel under each excitation, the rotation angle of the input shaft of gearbox, two
The torque of motor is carried, double mass flywheel dynamic rate is obtained and transmits relation curve, dynamic rate and the driving frequency pass of torque
It is curve and dynamic rate and torque ripple magnitude relation curve.
8. double mass flywheel dynamic rate measurement method according to claim 7, which is characterized in that the double mass flywheel
Dynamic rate measurement method further include:
When measuring dynamic rate step, velocity of rotation and the acceleration change trend for obtaining primary flywheel and secondary flywheel are bent
Line.
9. double mass flywheel dynamic rate measurement method according to claim 6, which is characterized in that the gearbox is only protected
Stay the normal operation function an of gear.
10. double mass flywheel dynamic rate measurement method according to claim 6, which is characterized in that described to pass through speed change
Rotation angle detection apparatus on the input shaft of case measures the rotation angle of the input shaft of gearbox, specifically includes:
The clutch of gearbox is locked by steel disc, so that secondary flywheel connects with clutch and transmission input shaft in rigidity
It connects, the angle measured by the rotation angle detection apparatus on the input shaft of gearbox, subtracts secondary flywheel and input axis connection
Spline gaps value to get to gearbox input shaft rotation angle.
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| CN109441969A (en) * | 2018-12-14 | 2019-03-08 | 安徽江淮汽车集团股份有限公司 | Flywheel measurement clutch, flywheel measuring device and method |
| CN109580249A (en) * | 2018-12-18 | 2019-04-05 | 安徽江淮汽车集团股份有限公司 | A kind of test method of dual-clutch transmission towing torque component part |
| CN109580249B (en) * | 2018-12-18 | 2020-07-28 | 安徽江淮汽车集团股份有限公司 | Method for testing drag torque component of double-clutch automatic gearbox |
| CN110967155A (en) * | 2019-09-30 | 2020-04-07 | 中国第一汽车股份有限公司 | Rigidity testing device for flexible disk of automatic transmission |
| CN110967155B (en) * | 2019-09-30 | 2021-10-15 | 中国第一汽车股份有限公司 | Rigidity testing device for flexible disk of automatic transmission |
| CN112632699A (en) * | 2020-12-21 | 2021-04-09 | 华南理工大学 | Method for optimizing performance of dual-mass flywheel based on uncertain parameters |
| CN114370806A (en) * | 2021-12-08 | 2022-04-19 | 中电科芜湖钻石飞机制造有限公司 | Detection tool and detection method for dual-mass flywheel |
| CN116907825A (en) * | 2023-09-11 | 2023-10-20 | 湖南揽月机电科技有限公司 | Automatic checking system and method for flywheel shafting |
| CN116907825B (en) * | 2023-09-11 | 2024-01-16 | 湖南揽月机电科技有限公司 | Automatic checking system and method for flywheel shafting |
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