CN112378653A - AMT clutch actuator execution efficiency detection method - Google Patents
AMT clutch actuator execution efficiency detection method Download PDFInfo
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- CN112378653A CN112378653A CN202011375872.8A CN202011375872A CN112378653A CN 112378653 A CN112378653 A CN 112378653A CN 202011375872 A CN202011375872 A CN 202011375872A CN 112378653 A CN112378653 A CN 112378653A
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- 238000001514 detection method Methods 0.000 title claims abstract description 70
- 238000004088 simulation Methods 0.000 claims abstract description 77
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000006073 displacement reaction Methods 0.000 claims description 34
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000007689 inspection Methods 0.000 description 9
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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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
- G01M13/022—Power-transmitting couplings or clutches
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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
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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
- G01M13/027—Test-benches with force-applying means, e.g. loading of drive shafts along several directions
Abstract
The invention relates to an AMT clutch actuator execution efficiency detection method, wherein an input simulation unit and an output simulation unit are arranged on a detection platform, a to-be-detected piece connecting area is arranged between the input simulation unit and the output simulation unit, a clutch actuator is arranged in the to-be-detected piece connecting area and is in transmission connection with the input simulation unit and the output simulation unit, and the clutch actuator is detachably connected to the detection platform; the input simulation unit is used for providing input torque for the clutch actuator and detecting the provided input work, the input torque is output and transmitted to the output simulation unit after passing through the clutch actuator, and the output simulation unit is used for simulating a load and detecting the output work of the clutch actuator; the execution efficiency of the clutch actuator is obtained by the ratio of the output work to the input work. The method can directly and effectively detect the execution efficiency of the clutch actuator.
Description
Technical Field
The invention belongs to the technical field of testing of mechanical parts in physics, and particularly relates to an AMT clutch actuator execution efficiency detection method.
Background
An AMT clutch generally includes a clutch flywheel, a clutch driven plate, a clutch pressure plate and a release bearing which are coaxially arranged, and is also provided with a clutch actuator (also called a clutch actuator); when the clutch actuator works, an actuating motor of the clutch actuator rotates, torque is input from the input end of the clutch actuator, and is converted into linear motion output from the output end of the clutch actuator through transmission connection in the clutch actuator, a release bearing is pushed (or pushed by a release fork), a clutch pressure plate is further pressed, and then the actions of separation and engagement are completed. The prior art such as CN102507179A and CN204027824U also relates to the introduction of the related art.
In actual production, a clutch actuating mechanism is usually provided for an assembly manufacturer or a whole vehicle manufacturer by a matching enterprise, and a relevant inspection data sheet is required to be provided together when the clutch actuating mechanism is delivered to a product so as to prove that various performances and the like of the product meet technical requirements, but relevant detection is not standardized, inspection modes of various enterprises are different, and depending inspection tools are different. The execution efficiency of the clutch actuator (transmission efficiency from torque input of the actuator motor to linear motion output) is detected without direct means, and usually, the flexibility of transmission connection is only checked once, so that the clutch actuator is not jammed, and the detection effectiveness and the matching performance are not high.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, the technical problem to be solved by the present invention is to provide a method for detecting the execution efficiency of an AMT clutch actuator, which avoids the problem that the execution efficiency of a clutch actuator is inconvenient to detect at present, and achieves the effect of simple operation and directly and effectively detecting the execution efficiency of the clutch actuator.
In order to solve the technical problems, the invention adopts the following technical scheme:
an AMT clutch actuator execution efficiency detection method comprises the steps that an input simulation unit and an output simulation unit are arranged on a detection platform, a to-be-detected piece connecting area is arranged between the input simulation unit and the output simulation unit, a clutch actuator is arranged in the to-be-detected piece connecting area and is in transmission connection with the input simulation unit and the output simulation unit, and the clutch actuator is detachably connected to the detection platform; the input simulation unit is used for providing input torque for the clutch actuator and detecting the provided input work, the input torque is output and transmitted to the output simulation unit after passing through the clutch actuator, and the output simulation unit is used for simulating a load and detecting the output work of the clutch actuator; and obtaining the execution efficiency of the clutch actuator through the ratio of the output work to the input work.
The technical scheme is further perfected, wherein the input simulation unit comprises a driving motor arranged on the detection platform and a detection mechanism used for detecting the output power of the driving motor, an output shaft of the driving motor is synchronously connected with a simulation input shaft in a rotating mode, and the simulation input shaft is in transmission connection with the input end of the clutch actuator; the output simulation unit comprises a simulation output shaft, the simulation output shaft is axially and slidably connected to the detection platform, one end of the simulation output shaft is connected with the load push rod through a pressure sensor so as to detect the thrust transmitted to the load push rod by the simulation output shaft through the pressure sensor, the load push rod movably penetrates through a connecting seat fixedly arranged on the detection platform, a spiral pressure spring is sleeved on a load push rod section between the pressure sensor and the connecting seat, and the output end of the clutch actuator is connected with the other end of the simulation output shaft so that the spiral pressure spring is compressed between the pressure sensor and the connecting seat to simulate the load; the output simulation unit also comprises a displacement sensor for detecting the linear displacement of the load push rod; the output power of the driving motor is used as the input work, and when the driving motor works, the pressure sensor and the displacement sensor can respectively measure the pressure value N and the displacement L output by the clutch actuator so as to obtain the output work.
Further, the detection mechanism comprises a torque sensor and an angle encoder, and an output shaft of the driving motor is connected with an analog input shaft through the torque sensor and the angle encoder so as to detect input work; when the driving motor works, the torque sensor and the angle encoder can respectively measure the torque T and the rotation angle theta so as to obtain the input work; the clutch actuator has an execution efficiency of η, an input work of T × θ, and an output work of L × N, where η is L × N/T × θ.
Furthermore, an output shaft of the driving motor, the torque sensor, the angle encoder and the analog input shaft are sequentially connected through the coupler, a shell of the torque sensor is connected with a first mounting seat fixedly arranged on the detection platform, and a shell of the angle encoder is connected with a second mounting seat fixedly arranged on the detection platform.
Further, the output shaft of the driving motor, the torque sensor, the angle encoder and the analog input shaft are all located on the same straight line so as to improve detection accuracy.
Furthermore, the displacement sensor is arranged on the detection platform and adopts a linear displacement sensor, and the displacement sensor is connected to the free end of the load push rod penetrating out of the connecting seat in an acting mode.
Furthermore, the simulation output shaft, the pressure sensor, the load push rod and the displacement sensor are all located on the same straight line so as to improve detection accuracy.
Furthermore, a rolling bearing is sleeved on the analog input shaft and connected with a connecting flange plate through the rolling bearing, the connecting flange plate is detachably connected with a shell of the clutch actuator, and the analog input shaft can rotatably penetrate through the connecting flange plate and is connected with an input end of the clutch actuator.
Furthermore, the simulation output shaft can axially slide and penetrate through a shaft seat fixedly arranged on the detection platform; a copper sleeve is clamped between the simulation output shaft and the shaft seat, and the simulation output shaft penetrates through the copper sleeve in a sliding manner; a sliding bearing is clamped between the load push rod and the connecting seat, and the load push rod can axially slide to penetrate through the sliding bearing.
Further, displacement sensor locates on testing platform and adopts linear displacement sensor, the one end of load push rod towards pressure sensor is connected with the support arm dog that transversely extends out, support arm dog perpendicular to load push rod's axis, displacement sensor effect connection is in the one side that the support arm dog deviates from pressure sensor.
Compared with the prior art, the invention has the following beneficial effects:
the AMT clutch actuator execution efficiency detection method is adopted, the clutch actuator is arranged in a connection area of a to-be-detected piece and is in transmission connection with the input simulation unit and the output simulation unit, the input end of the simulation input shaft is connected with the input end of the clutch actuator to provide torque, the output end of the clutch actuator is connected with the simulation output shaft to output linear thrust, and the spiral pressure spring is compressed between the pressure sensor and the connection seat to effectively simulate a load. The driving motor outputs torque, the input work of the clutch actuator can be detected and calculated through the torque sensor and the angle encoder, the output work of the clutch actuator can be detected and calculated through the pressure sensor and the displacement sensor, and the execution efficiency of the clutch actuator is obtained through the ratio of the output work to the input work; the method has simple structure and simple and convenient operation, and can directly and effectively detect the execution efficiency of the clutch actuator.
Drawings
FIG. 1 is a schematic diagram illustrating an implementation of a method for detecting an execution efficiency of an AMT clutch actuator according to an embodiment;
FIG. 2 is a front view of an inspection station used in the method of an embodiment;
FIG. 3 is a schematic diagram of a modified configuration of an inspection stage for use in the method of an embodiment;
the device comprises a clutch actuator 100, a detection platform 1, an input simulation unit 2, a driving motor 21, a motor mounting seat 211, a torque sensor 22, a first mounting seat 221, an angle encoder 23, a second mounting seat 231, a simulation input shaft 24, a connecting flange 241, an output simulation unit 3, a simulation output shaft 31, a shaft seat 311, a copper sleeve 312, a pressure sensor 32, a load push rod 33, a support arm stop 331, a connecting seat 34, a sliding bearing 341, a helical compression spring 35 and a displacement sensor 36.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1, in the method for detecting the execution efficiency of the AMT clutch actuator according to the embodiment, an inspection bench is used, which is described first, and includes an inspection platform 1, an input analog unit 2 and an output analog unit 3 are disposed on the inspection platform 1, and a connection area for a to-be-tested object is disposed between the input analog unit 2 and the output analog unit 3, so that the clutch actuator is in transmission connection with the input analog unit 2 and the output analog unit 3 in the connection area for the to-be-tested object; the input simulation unit 2 comprises a driving motor 21 arranged on the detection platform 1 and a detection mechanism for detecting the output power of the driving motor 21, the output shaft of the drive motor 21 is synchronously rotatably connected to an analog input shaft 24 for input connection to a clutch actuator, the output simulation unit 3 comprises a simulation output shaft 31 for the output connection of the clutch actuator, the analog output shaft 31 can axially slide and pass through a shaft seat 311 fixedly arranged on the detection platform 1, one end of the analog output shaft 31 is connected with a load push rod 33 through a pressure sensor 32 so as to detect the thrust transmitted to the load push rod 33 by the analog output shaft 31 through the pressure sensor 32, the load push rod 33 movably (axially slidably) penetrates through a connecting seat 34 fixedly arranged on the detection platform, and a spiral pressure spring 35 is sleeved on the load push rod 33 section between the pressure sensor 32 and the connecting seat 34 and used for simulating a load; the output analog unit 3 further includes a displacement sensor 36 for detecting the amount of linear displacement of the load pusher 33.
When the detection method is specifically operated, the clutch actuator 100 is arranged in a connecting area of a to-be-detected part and is in transmission connection with the input simulation unit 2 and the output simulation unit 3, the input end of the simulation input shaft 24 is connected with the input end of the clutch actuator 100 to provide torque, the output end of the clutch actuator 100 is connected with the simulation output shaft 31 to output linear thrust, specifically, the linear thrust is connected to the other end of the simulation output shaft 31 in a pushing manner, and at the moment, the helical compression spring 35 is compressed between the pressure sensor 32 and the connecting seat 34 to effectively simulate a load (the length of the helical compression spring 35 is correspondingly designed by combining with actual conditions); in addition, the clutch actuator 100 itself may also be detachably connected to the detection platform 1 to improve stability; after the connection detection is completed, the driving motor 21 outputs torque, the detection mechanism detects the output power of the driving motor 21 and uses the output power as the input work of the clutch actuator 100, the pressure N and the displacement L output by the clutch actuator 100 during operation can be measured by the pressure sensor 32 and the displacement sensor 36, and then the output work of the clutch actuator 100 can be obtained, and the execution efficiency (also called actual working power) of the clutch actuator 100 is the ratio of the output work to the input work, so that the execution efficiency detection of the clutch actuator 100 is simply, reliably, directly and effectively performed.
With continued reference to fig. 1 and fig. 2, the detecting mechanism includes a torque sensor 22 and an angular encoder 23, and an output shaft of the driving motor 21 is connected to an analog input shaft 24 through the torque sensor 22 and the angular encoder 23 so as to detect the output power of the driving motor 21. Thus, the actual measured value is closer to the actual input work of the clutch actuator, and the torque magnitude T and the rotation angle θ are measured by the torque sensor 22 and the angular encoder 23, respectively, to obtain the input work. The clutch actuator has an execution efficiency of η, an input work of T × θ, and an output work of L × N, where η is L × N/T × θ.
The output shaft of the driving motor 21, the torque sensor 22, the angle encoder 23 and the analog input shaft 24 are sequentially connected through a coupler, the shell of the torque sensor 22 is connected with a first mounting seat 221 fixedly arranged on the detection platform 1, and the shell of the angle encoder 23 is connected with a second mounting seat 231 fixedly arranged on the detection platform 1. The shell of the driving motor 21 is connected with a motor mounting seat 211 fixedly arranged on the detection platform 1. The output shaft of the drive motor 21, the torque sensor 22, the angle encoder 23, and the analog input shaft 24 are all located on the same line to improve detection accuracy.
Therefore, the installation and connection are convenient, the implementation of detection is guaranteed, and the detection accuracy is improved.
The displacement sensor 36 is arranged on the detection platform 1 and adopts a linear displacement sensor 36, and the displacement sensor 36 is connected to the free end of the load push rod 33 penetrating out of the connecting seat 34. The analog output shaft 31 is coaxial with the load push rod 33, and the analog output shaft 31, the pressure sensor 32, the load push rod 33 and the displacement sensor 36 are all located on the same straight line to improve detection accuracy.
Thus, the integration is good; the transmission of the pushing force does not increase the change caused by the force arm, and the detection accuracy is better.
A copper sleeve 312 is sandwiched between the analog output shaft 31 and the shaft seat 311, and the analog output shaft 31 slides through the copper sleeve 312. A sliding bearing 341 is interposed between the load push rod 33 and the connecting seat 34, and the load push rod 33 can axially slide through the sliding bearing 341.
Thus, the frictional force corresponding to the sliding contact position is reduced, and the influence on the detection accuracy is reduced.
In practice, the helical compression spring 35 may be compressed between the pressure sensor 32 and the sliding bearing 341, depending on the size of the sliding bearing 341. It can be understood that the end of the helical compression spring 35 facing the pressure sensor 32 does not have to be pressed against the pressure sensor 32, for example, a circle of convex edge is provided around the end face of the load push rod 33 facing the pressure sensor 32, and then the helical compression spring 35 is compressed between the convex edge and the sliding bearing 341, which does not affect the detection accuracy as long as the spring force can be linearly transmitted to the pressure sensor 32, and the embodiment is also configured as such.
Wherein, the analog input shaft 24 is sleeved with a rolling bearing and connected with a connecting flange 241 through the rolling bearing. When the connection is detected, not only the transmission connection is performed, but also the connecting flange 241 is connected with the shell of the clutch actuator 100 in a bolting mode, and the analog input shaft 24 can rotate to penetrate through the connecting flange 241 and then is input to be connected with the clutch actuator 100, so that the stability during the detection can be further improved.
During implementation, the pressure sensor 32, the displacement sensor 36, the torque sensor 22 and the angle encoder 23 can directly perform data reading, and can also be connected to an upper computer, for example, a computer carries adaptive software for data reading, calculation, data recording and analysis and the like, so that subsequent operation is facilitated, and detection traceability is improved.
In practice, the orientations of the input simulation unit 2 and the output simulation unit 3 can be correspondingly set according to different styles of tested clutch actuators, please refer to fig. 3, the input end and the output end of the tested clutch actuator corresponding to the inspection bench are on the same side, and the orientations of the input simulation unit 2 and the output simulation unit 3 are correspondingly matched. In order to avoid the test bench being too long, a transversely extending arm stop 331 can be connected to the end of the load push rod 33 facing the pressure sensor 32, the arm stop 331 is perpendicular to the axis of the load push rod 33, and the displacement sensor 36 is operatively connected to the side of the arm stop 331 facing away from the pressure sensor 32; but because a certain force arm exists, the detection precision is influenced.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. An AMT clutch actuator execution efficiency detection method is characterized in that: an input simulation unit and an output simulation unit are arranged on the detection platform, a to-be-detected part connecting area is arranged between the input simulation unit and the output simulation unit, a clutch actuator is arranged in the to-be-detected part connecting area and is in transmission connection with the input simulation unit and the output simulation unit, and the clutch actuator is detachably connected to the detection platform;
the input simulation unit is used for providing input torque for the clutch actuator and detecting the provided input work, the input torque is output and transmitted to the output simulation unit after passing through the clutch actuator, and the output simulation unit is used for simulating a load and detecting the output work of the clutch actuator; and obtaining the execution efficiency of the clutch actuator through the ratio of the output work to the input work.
2. The AMT clutch actuator execution efficiency detection method according to claim 1, wherein: the input simulation unit comprises a driving motor arranged on the detection platform and a detection mechanism used for detecting the output power of the driving motor, an output shaft of the driving motor is synchronously connected with a simulation input shaft in a rotating mode, and the simulation input shaft is in transmission connection with the input end of the clutch actuator; the output simulation unit comprises a simulation output shaft, the simulation output shaft is axially and slidably connected to the detection platform, one end of the simulation output shaft is connected with the load push rod through a pressure sensor so as to detect the thrust transmitted to the load push rod by the simulation output shaft through the pressure sensor, the load push rod movably penetrates through a connecting seat fixedly arranged on the detection platform, a spiral pressure spring is sleeved on a load push rod section between the pressure sensor and the connecting seat, and the output end of the clutch actuator is connected with the other end of the simulation output shaft so that the spiral pressure spring is compressed between the pressure sensor and the connecting seat to simulate the load; the output simulation unit also comprises a displacement sensor for detecting the linear displacement of the load push rod;
the output power of the driving motor is used as the input work, and when the driving motor works, the pressure sensor and the displacement sensor can respectively measure the pressure value N and the displacement L output by the clutch actuator so as to obtain the output work.
3. The AMT clutch actuator execution efficiency detection method according to claim 2, wherein: the detection mechanism comprises a torque sensor and an angle encoder, and an output shaft of the driving motor is connected with an analog input shaft through the torque sensor and the angle encoder so as to detect input work; when the driving motor works, the torque sensor and the angle encoder can respectively measure the torque T and the rotation angle theta so as to obtain the input work;
the clutch actuator has an execution efficiency of η, an input work of T × θ, and an output work of L × N, where η is L × N/T × θ.
4. The AMT clutch actuator execution efficiency detection method according to claim 3, wherein: the output shaft of the driving motor, the torque sensor, the angle encoder and the analog input shaft are sequentially connected through the coupler, the shell of the torque sensor is connected with the first mounting seat fixedly arranged on the detection platform, and the shell of the angle encoder is connected with the second mounting seat fixedly arranged on the detection platform.
5. The AMT clutch actuator execution efficiency detection method according to claim 3, wherein: the output shaft of the driving motor, the torque sensor, the angle encoder and the analog input shaft are all located on the same straight line so as to improve detection accuracy.
6. The AMT clutch actuator execution efficiency detection method according to claim 2, wherein: the displacement sensor is arranged on the detection platform and adopts a linear displacement sensor, and the displacement sensor is connected to the free end of the load push rod penetrating out of the connecting seat in an acting mode.
7. The AMT clutch actuator execution efficiency detection method according to claim 6, wherein: the simulation output shaft, the pressure sensor, the load push rod and the displacement sensor are all located on the same straight line so as to improve detection accuracy.
8. The AMT clutch actuator execution efficiency detection method according to any one of claims 2-7, wherein: the simulation input shaft is sleeved with a rolling bearing and connected with a connecting flange plate through the rolling bearing, the connecting flange plate is detachably connected with a shell of the clutch actuator, and the simulation input shaft can rotatably penetrate through the connecting flange plate and is connected with an input end of the clutch actuator.
9. The AMT clutch actuator execution efficiency detection method according to any one of claims 2-7, wherein: the simulation output shaft can axially and slidably penetrate through a shaft seat fixedly arranged on the detection platform; a copper sleeve is clamped between the simulation output shaft and the shaft seat, and the simulation output shaft penetrates through the copper sleeve in a sliding manner; a sliding bearing is clamped between the load push rod and the connecting seat, and the load push rod can axially slide to penetrate through the sliding bearing.
10. The AMT clutch actuator execution efficiency detection method according to claim 2, wherein: displacement sensor locates on the testing platform and adopts linear displacement sensor, the one end of load push rod towards pressure sensor is connected with the support arm dog that transversely extends out, support arm dog perpendicular to load push rod's axis, displacement sensor effect connection is in the one side that the support arm dog deviates from pressure sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011375872.8A CN112378653A (en) | 2020-11-30 | 2020-11-30 | AMT clutch actuator execution efficiency detection method |
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| CN202011375872.8A CN112378653A (en) | 2020-11-30 | 2020-11-30 | AMT clutch actuator execution efficiency detection method |
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| CN112378653A true CN112378653A (en) | 2021-02-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113702032A (en) * | 2021-09-02 | 2021-11-26 | 长春一东离合器股份有限公司苏州研发中心 | AMT clutch actuator execution efficiency detection device and method |
| CN114033844A (en) * | 2021-11-04 | 2022-02-11 | 凯临钒机械(杭州)有限公司 | Gear box management system based on data acquisition |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20210219 |