CN101082541A - Method for testing vehicle manual speed-changer synchronous fatigue life - Google Patents
Method for testing vehicle manual speed-changer synchronous fatigue life Download PDFInfo
- Publication number
- CN101082541A CN101082541A CN 200710024792 CN200710024792A CN101082541A CN 101082541 A CN101082541 A CN 101082541A CN 200710024792 CN200710024792 CN 200710024792 CN 200710024792 A CN200710024792 A CN 200710024792A CN 101082541 A CN101082541 A CN 101082541A
- Authority
- CN
- China
- Prior art keywords
- vehicle
- gear
- grades
- test
- manual
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000012360 testing method Methods 0.000 title claims description 65
- 230000001360 synchronised effect Effects 0.000 title claims description 21
- 238000010998 test method Methods 0.000 claims description 31
- 230000007935 neutral effect Effects 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000010687 lubricating oil Substances 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims description 4
- 208000037656 Respiratory Sounds Diseases 0.000 claims description 3
- 230000002950 deficient Effects 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 3
- 230000009183 running Effects 0.000 claims description 3
- 239000003831 antifriction material Substances 0.000 abstract 1
- 238000013461 design Methods 0.000 description 3
- 238000012795 verification Methods 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Abstract
The invention discloses a kind of experiment method of car manually gearbox synchronism endurance life and its experiment condition is that: use the clamping disk with the maximum size; the oil content of anti-friction material is the regularity oil content and the temperature is 55deg.C -65deg.C ; the experiment cycle is 5-7 seconds and this experiment method takes the multiple step locations experiment and every step location experiment process is that: The synchronizer is declutched; the adjacent step lifts step and then downs step; the synchronizer is combined and the course is carried out repeated and multiple. The invention adopts the previous technology program and its experiment method is easy to operate and it proofs the car manually gearbox synchronism endurance life so it satisfied the performance requirement of the car manual gearbox.
Description
Technical field
The technical field of the automobile making that the invention belongs to relates to the test characterization processes of the manual transmission in the automobile dynamic system, more particularly, the present invention relates to a kind of test method of vehicle manual speed-changer synchronous fatigue life.
Background technology
Synchronizer in the automotive power transmission system is the critical component of manual gear of vehicle, if synchronizer breaks down, light then influence variator the gear shift feel, abnormal sound appears, heavy then can make the variator can't gear shift.Therefore, directly affect the life-span of variator the fatigue lifetime of synchronizer, so design and develop in the process at synchronizer, the fatigue life test of synchronizer is absolutely necessary.
But up to the present, in automobile industry,, still there is not special test method to come it is carried out verification experimental verification for the fatigue lifetime of manual gear of vehicle synchronizer.
Summary of the invention
Problem to be solved by this invention provides a kind of test method of vehicle manual speed-changer synchronous fatigue life, its objective is the fatigue lifetime of checking manual gear of vehicle synchronizer, makes it to satisfy request for utilization.
To achieve these goals, the technical scheme that the present invention takes is: the test method of this vehicle manual speed-changer synchronous fatigue life that is provided, described synchronous fatigue life test is on the manual transmission test-bed manual gear of vehicle to be carried out, the gear of described manual gear of vehicle is: 1～5 grade, reverse gear and neutral gear advance, the input of rotating speed when being lower than maximum power output makes the manual gear of vehicle running at the trial, and the test condition of described test method is: use maximum sized clutch plate; The oil mass of lubricating oil is that regular oil mass, temperature are 55 ℃～65 ℃; Test period is 5～7 seconds, carries out the switching tests of a plurality of gears in the described test method, and the process of the test of each gear is: synchronizer separates; Adjacent shelves upgrade and lower category; The synchronizer combination, this process repeated multiple times is carried out.
Test method described in the present invention to the qualified condition of the synchronous fatigue life test evaluation of manual gear of vehicle is: in entire test, do not have abnormal voice to occur when shifted and manual transmission in part breakage, crackle, inordinate wear do not appear, any or multiple phenomenon in burning; Otherwise judge defective.
Among the present invention, it is in described test method process that the described adjacent shelves scheme that lowers category again that upgrades is carried out in the test of each gear, comprise 1 grade to 2 grades, 2 grades to 3 grades, 3 grades to 4 grades, 4 grades to 5 grades, 1 grade to neutral gear, reverse gear to neutral gear, each gear carries out respectively.
In the concrete test excessively of the present invention, establish N
eRotating speed during for maximum power output, in described test method, the back synchronizer that upgrades is in conjunction with also operation, and the process of the test of its each different gears is respectively:
(1), setting manual gear of vehicle input shaft rotating speed is N
e* 0.5, manual gear of vehicle is raised to 2 grades from 1 grade, drop to 1 grade from 2 grades again, revision test is more than 10,000 times or 10,000 times, and wherein the time of upgrading is 0.5S, and the time of lowering category is 0.3S.
(2), setting manual gear of vehicle input shaft rotating speed is N
e* 0.6, manual gear of vehicle is raised to 3 grades from 2 grades, drop to 2 grades from 3 grades again, revision test is more than 30,000 times or 30,000 times, and wherein the time of upgrading is 0.4S, and the time of lowering category is 0.3S.
(3), setting manual gear of vehicle input shaft rotating speed is N
e* 0.6, manual gear of vehicle is raised to 4 grades from 3 grades, drop to 3 grades from 4 grades again, revision test is more than 30,000 times or 30,000 times, and wherein the time of upgrading is 0.4S, and the time of lowering category is 0.3S.
(4), setting manual gear of vehicle input shaft rotating speed is N
e* 0.5, manual gear of vehicle is raised to 5 grades from 4 grades, drop to 4 grades from 5 grades again, revision test is more than 20,000 times or 20,000 times, and wherein the time of upgrading is 0.3S, and the time of lowering category is 0.3S.
(5), set to become manual gear of vehicle input shaft rotating speed and be 2000rpm, manual gear of vehicle is changed to 1 grade from neutral gear, synchronizer in conjunction with and operation, return neutral gear again, revision test is more than 10,000 times or 10,000 times, wherein shift time is 0.5S.
(6) if the reverse gear of this manual gear of vehicle is provided with synchronizer, then setting manual gear of vehicle input shaft rotating speed is 2000rpm, variator is changed to reverse gear from neutral gear, synchronizer is in conjunction with also operation, return neutral gear again, revision test is more than 10,000 times or 10,000 times, and wherein shift time is 0.5S.
Among the present invention, the actual temp of described lubricating oil is 60 ℃.
Among the present invention, the described test period specifically is set at 6 seconds.
The present invention adopts technique scheme, and its test method is simple, has verified the fatigue lifetime of manual gear of vehicle synchronizer, makes it to satisfy the performance requirement of manual gear of vehicle.
Description of drawings
Below expressed content of each width of cloth accompanying drawing of this instructions and the mark among the figure are made brief description:
Fig. 1 is the structural representation of related test apparatus of the present invention.
Be labeled as among the figure: 1, accelerator, 2, flywheel, 3, motor, 4, the manual transmission test-bed, 5, manual gear of vehicle.
Embodiment
Contrast accompanying drawing below, by description to embodiment, to step, the condition of the test method of the specific embodiment of the present invention such as related vehicle manual speed-changer synchronous fatigue life and the test apparatus that is adopted etc., be described in further detail, inventive concept of the present invention, technical scheme had more complete, accurate and deep understanding to help those skilled in the art.
Structure as the test apparatus of the test method of the expressed vehicle manual speed-changer synchronous fatigue life involved in the present invention of Fig. 1 is, described synchronous fatigue life test is on manual transmission test-bed 4 manual gear of vehicle 5 to be carried out, motor 3 on the manual transmission test-bed 4 drives accelerator 1 by flywheel 2, accelerator 1 is connected with manual gear of vehicle 5, manual gear of vehicle 5 is turned round by testing requirements, and the gear of described manual gear of vehicle 5 is: 1～5 grade, reverse gear and neutral gear advance.
In order to realize purpose of the present invention, the technical scheme of being taked is: the input of the rotating speed when being lower than maximum power output makes manual gear of vehicle 5 runnings at the trial, and the test condition of described test method is: use maximum sized clutch plate; The oil mass of lubricating oil is that regular oil mass, temperature are 55 ℃～65 ℃; Test period is 5～7 seconds, carries out the switching tests of a plurality of gears in the described test method, and the process of the test of each gear is: synchronizer separates; Adjacent shelves upgrade and lower category; The synchronizer combination, this process repeated multiple times is carried out.
Test method described in the present invention to the qualified condition of the synchronous fatigue life test evaluation of manual gear of vehicle 5 is: in entire test, do not have abnormal voice to occur when shifted and manual transmission 5 in part breakage, crackle, inordinate wear do not appear, any or multiple phenomenon in burning; Otherwise judge defective.
In addition, also should meet the space of leaving between synchronous ring and combination gear more than the 0.3mm.
Among the present invention, it is in described test method process that the described adjacent shelves scheme that lowers category again that upgrades is carried out in the test of each gear, comprise 1 grade to 2 grades, 2 grades to 3 grades, 3 grades to 4 grades, 4 grades to 5 grades, 1 grade to neutral gear, reverse gear to neutral gear, each gear carries out respectively.The conversion of above-mentioned various gears conforms to situation during vehicle uses, can be by situation fatigue lifetime in its actual use of this test reflection.
Because in the actual use of manual gear of vehicle 5, its gear-change operation process generally is aforesaid switching mode, so, in the concrete test excessively of the present invention, establish N
eRotating speed during for maximum power output, in described test method, the back synchronizer that upgrades is in conjunction with also operation, and the process of the test of its each different gears is respectively:
(1), setting manual gear of vehicle 5 input shaft rotating speeds is N
e* 0.5, manual gear of vehicle 5 is raised to 2 grades from 1 grade, drop to 1 grade from 2 grades again, revision test is more than 10,000 times or 10,000 times, and wherein the time of upgrading is 0.5S, and the time of lowering category is 0.3S.
(2), setting manual gear of vehicle 5 input shaft rotating speeds is N
e* 0.6, manual gear of vehicle 5 is raised to 3 grades from 2 grades, drop to 2 grades from 3 grades again, revision test is more than 30,000 times or 30,000 times, and wherein the time of upgrading is 0.4S, and the time of lowering category is 0.3S.
(3), setting manual gear of vehicle 5 input shaft rotating speeds is N
e* 0.6, manual gear of vehicle 5 is raised to 4 grades from 3 grades, drop to 3 grades from 4 grades again, revision test is more than 30,000 times or 30,000 times, and wherein the time of upgrading is 0.4S, and the time of lowering category is 0.3S.
(4), setting manual gear of vehicle 5 input shaft rotating speeds is N
e* 0.5, manual gear of vehicle 5 is raised to 5 grades from 4 grades, drop to 4 grades from 5 grades again, revision test is more than 20,000 times or 20,000 times, and wherein the time of upgrading is 0.3S, and the time of lowering category is 0.3S.
(5), set to become manual gear of vehicle 5 input shaft rotating speeds and be 2000rpm, manual gear of vehicle 5 is changed to 1 grade from neutral gear, synchronizer in conjunction with and operation, return neutral gear again, revision test is more than 10,000 times or 10,000 times, wherein shift time is 0.5S.
(6) if the reverse gear of this manual gear of vehicle 5 is provided with synchronizer, then setting manual gear of vehicle 5 input shaft rotating speeds is 2000rpm, variator is changed to reverse gear from neutral gear, synchronizer is in conjunction with also operation, return neutral gear again, revision test is more than 10,000 times or 10,000 times, and wherein shift time is 0.5S.
Torture test is carried out in switching according to above-mentioned variant gear, in its process or after finishing, do not find not meet aforesaid assessment of conformity condition, assert that then the product fatigue strength of manual gear of vehicle 5 is up-to-standard, otherwise, assert that fatigue strength is off quality.By the torture test that all gears are switched, can be satisfied the requirement of its fatigue strength by test agent if can confirm it, the product that just can fully guarantee manual gear of vehicle 5 in actual use, quality meets the quality standard of fatigue lifetime fully, can use safely.
Specific embodiments of the invention: the temperature of the lubricating oil that is adopted is 60 ℃.Test temperature is too high or too low, and is inconsistent with the service condition of actual vehicle.
Specific embodiment among the present invention: the test period of being adopted is set at 6 seconds.In this cycle, finish the switching of gear, the separation and the combination of synchronizer.Overlong time makes total cycle stretch-out of test, the efficient of influence test; Time is too short, causes test figure can not fully reflect its real technical feature.
The synchronous fatigue durability test method of manual gear of vehicle 5 is test methods of developing at the synchronizer fatigue lifetime of checking manual gear of vehicle 5, and test in view of the above, guarantee the fatigue lifetime of synchronizer, satisfy the request for utilization of manual gear of vehicle.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (6)
1, a kind of test method of vehicle manual speed-changer synchronous fatigue life, described synchronous fatigue life test is to go up at manual transmission test-bed (4) manual gear of vehicle (5) is carried out, the gear of described manual gear of vehicle (5) is: 1～5 grade, reverse gear and neutral gear advance, the input of rotating speed when being lower than maximum power output makes manual gear of vehicle (5) running at the trial, and it is characterized in that: the test condition of described test method is: use maximum sized clutch plate; The oil mass of lubricating oil is that regular oil mass, temperature are 55 ℃～65 ℃; Test period is 5～7 seconds, carries out the switching tests of a plurality of gears in the described test method, and the process of the test of each gear is: synchronizer separates; Adjacent shelves upgrade and lower category; The synchronizer combination, this process repeated multiple times is carried out.
2, according to the test method of the described vehicle manual speed-changer synchronous fatigue life of claim 1, it is characterized in that: described test method to the qualified condition of the synchronous fatigue life test evaluation of manual gear of vehicle (5) is: in entire test, do not have abnormal voice to occur when shifted and manual transmission (5) in part breakage, crackle, inordinate wear do not appear, any or multiple phenomenon in burning; Otherwise judge defective.
3, according to the test method of claim 1 or 2 described vehicle manual speed-changer synchronous fatigue lifes, it is characterized in that: in described test method process, carrying out described adjacent shelves upgrades and lowers category, comprise 1 grade to 2 grades, 2 grades to 3 grades, 3 grades to 4 grades, 4 grades to 5 grades, 1 grade to neutral gear, reverse gear to neutral gear, each gear carries out respectively.
4, according to the test method of the described vehicle manual speed-changer synchronous fatigue life of claim 3, it is characterized in that: N
eRotating speed during for maximum power output, in described test method, the back synchronizer that upgrades is in conjunction with also operation, and the process of the test of its each different gears is respectively:
A, setting manual gear of vehicle (5) input shaft rotating speed are N
e* 0.5, manual gear of vehicle (5) is raised to 2 grades from 1 grade, drop to 1 grade from 2 grades again, revision test is more than 10,000 times or 10,000 times altogether, and wherein the time of upgrading is 0.5S, and the time of lowering category is 0.3S;
B, setting manual gear of vehicle (5) input shaft rotating speed are N
e* 0.6, manual gear of vehicle (5) is raised to 3 grades from 2 grades, drop to 2 grades from 3 grades again, revision test is more than 30,000 times or 30,000 times, and wherein the time of upgrading is 0.4S, and the time of lowering category is 0.3S;
C, setting manual gear of vehicle (5) input shaft rotating speed are N
e* 0.6, manual gear of vehicle (5) is raised to 4 grades from 3 grades, drop to 3 grades from 4 grades again, revision test is more than 30,000 times or 30,000 times, and wherein the time of upgrading is 0.4S, and the time of lowering category is 0.3S;
D, setting manual gear of vehicle (5) input shaft rotating speed are N
e* 0.5, manual gear of vehicle (5) is raised to 5 grades from 4 grades, drop to 4 grades from 5 grades again, revision test is more than 20,000 times or 20,000 times, and wherein the time of upgrading is 0.3S, and the time of lowering category is 0.3S;
E, setting become manual gear of vehicle (5) input shaft rotating speed and are 2000rpm, and manual gear of vehicle (5) is changed to 1 grade from neutral gear, and synchronizer is return neutral gear again in conjunction with also operation, and revision test is more than 10,000 times or 10,000 times, and wherein shift time is 0.5S;
If the reverse gear of this manual gear of vehicle of f (5) is provided with synchronizer, then setting manual gear of vehicle (5) input shaft rotating speed is 2000rpm, variator is changed to reverse gear from neutral gear, synchronizer is in conjunction with also operation, return neutral gear again, revision test is more than 10,000 times or 10,000 times, and wherein shift time is 0.5S.
5, according to the test method of the described vehicle manual speed-changer synchronous fatigue life of claim 1, it is characterized in that: the temperature of described lubricating oil is 60 ℃.
6, according to the test method of the described vehicle manual speed-changer synchronous fatigue life of claim 1, it is characterized in that: the described test period is 6 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710024792 CN101082541A (en) | 2007-06-25 | 2007-06-25 | Method for testing vehicle manual speed-changer synchronous fatigue life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710024792 CN101082541A (en) | 2007-06-25 | 2007-06-25 | Method for testing vehicle manual speed-changer synchronous fatigue life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101082541A true CN101082541A (en) | 2007-12-05 |
Family
ID=38912224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710024792 Pending CN101082541A (en) | 2007-06-25 | 2007-06-25 | Method for testing vehicle manual speed-changer synchronous fatigue life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101082541A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426106A (en) * | 2011-12-19 | 2012-04-25 | 芜湖市中兴机械技术开发有限公司 | Automobile hand brake fatigue test rack |
| CN102589876A (en) * | 2012-02-28 | 2012-07-18 | 武汉协和齿环有限公司 | Improved synchronizer gear ring abrasion endurance testing machine and operation method thereof |
| CN104006963A (en) * | 2014-05-16 | 2014-08-27 | 浙江吉利控股集团有限公司 | Method and device for testing fatigue life of synchronizer of automobile automatic transmission |
| CN102326014B (en) * | 2009-02-19 | 2014-10-22 | 丰田自动车株式会社 | Control device for vehicular power transmitting apparatus |
| CN107860576A (en) * | 2017-10-27 | 2018-03-30 | 西南大学 | Moment of torsion back difference mode gearshift downshift impact test method |
-
2007
- 2007-06-25 CN CN 200710024792 patent/CN101082541A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102326014B (en) * | 2009-02-19 | 2014-10-22 | 丰田自动车株式会社 | Control device for vehicular power transmitting apparatus |
| CN102426106A (en) * | 2011-12-19 | 2012-04-25 | 芜湖市中兴机械技术开发有限公司 | Automobile hand brake fatigue test rack |
| CN102426106B (en) * | 2011-12-19 | 2013-09-04 | 芜湖市中兴机械技术开发有限公司 | Automobile hand brake fatigue test rack |
| CN102589876A (en) * | 2012-02-28 | 2012-07-18 | 武汉协和齿环有限公司 | Improved synchronizer gear ring abrasion endurance testing machine and operation method thereof |
| CN102589876B (en) * | 2012-02-28 | 2014-03-19 | 武汉协和齿环有限公司 | Improved synchronizer gear ring abrasion endurance testing machine |
| CN104006963A (en) * | 2014-05-16 | 2014-08-27 | 浙江吉利控股集团有限公司 | Method and device for testing fatigue life of synchronizer of automobile automatic transmission |
| CN107860576A (en) * | 2017-10-27 | 2018-03-30 | 西南大学 | Moment of torsion back difference mode gearshift downshift impact test method |
| CN107860576B (en) * | 2017-10-27 | 2019-08-13 | 西南大学 | Torque back difference mode gearshift downshift impact test method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101082541A (en) | Method for testing vehicle manual speed-changer synchronous fatigue life | |
| CN102182822B (en) | Gear shift prompting equipment and method | |
| CN103967963B (en) | The measuring method of DCT wet clutch temperature based on neural network prediction | |
| CN102562968B (en) | Automatic transmission driving device for unpowered interrupted gear-shifting and gear-shifting control method thereof | |
| CN105813877B (en) | CVT driving system | |
| CN110645349B (en) | Double-clutch gear shifting control method, device and equipment for hybrid vehicle | |
| CN109632290A (en) | Gearbox test-drive method | |
| CN110500401A (en) | A kind of automatic transmission vehicle automatic Calibration test method and system | |
| CN102310852B (en) | Gear shifting control method for automobile double-clutch power coupling synchronizer and device thereof | |
| CN110285902A (en) | Rear axle Efficiency test method, user equipment, storage medium and device | |
| CN104535320A (en) | Test method for comprehensive transmission efficiency of automotive automatic transmission | |
| EP2513513B1 (en) | Combined driveline system | |
| CN108973779A (en) | The control method and device of pure electric automobile shift auxiliary system | |
| CN110553031A (en) | starting gear selection and control method for light truck AMT (automated mechanical Transmission) | |
| CN102310853B (en) | Gear shifting control method for automobile double-clutch power coupling synchronizer and device thereof | |
| CN103528814A (en) | AMT (Automatic Mechanical Transmission) synchronizer fatigue life testing method and test bench for realizing method | |
| CN104088998A (en) | Automobile, and leapfrogging gear lowering control method and system of automatic transmission of automobile | |
| CN109100138B (en) | Method for evaluating reliability of clutch in finished automobile state | |
| CN104121356A (en) | Hydraulic automatic gearbox gear-shifting control method and system | |
| CN101387576A (en) | Release bearing test desk for vehicle and test method | |
| CN100549651C (en) | The method of testing power loss in high speed of automotive transmission | |
| CN2932358Y (en) | Novel automobile automatic gearbox assembly tester | |
| CN201259463Y (en) | AMT stage changeover endurance performance experiment platform | |
| Bouffet | Evaluating tribology of synchronizers for today's manual transmissions | |
| CN104006963A (en) | Method and device for testing fatigue life of synchronizer of automobile automatic transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20071205 |