CN2727729Y - Automobile air spring fatigue-testing machine - Google Patents
Automobile air spring fatigue-testing machine Download PDFInfo
- Publication number
- CN2727729Y CN2727729Y CN 200420035376 CN200420035376U CN2727729Y CN 2727729 Y CN2727729 Y CN 2727729Y CN 200420035376 CN200420035376 CN 200420035376 CN 200420035376 U CN200420035376 U CN 200420035376U CN 2727729 Y CN2727729 Y CN 2727729Y
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- air spring
- asynchronous motor
- vibration
- gear
- automobile air
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Abstract
The utility model discloses an automobile air spring fatigue-testing machine, adopting an asynchronous motor controlled by a speed control assembly with adjustable freguency as a motive power driving device, and then the asynchronous motor drives a pulley gear. The driven wheel shaft of a pulley is provided with the drive gear of a gear driving device. The drive gear simultaneously drives two driven gear wheels with crank link mechanisms. The pulley and the gear wheels are taken as the variable speed drive. The crank link mechanisms generate straight-line double vibrations, and two air springs are driven to do reversal vibrations vertically. A vertical lever assembly makes the springs do vertical vibration. The lower part of each air spring is attached with a horizontal torsion pendulum device which can serve as a mechanical liquid force driving structure and a double gear drive provided with back pressure anti-backlash. The torsion pendulum device can make the springs do horizontal torsion pendulum vibration. The speed control assembly with adjustable freguency can be used to adjust the vibration frequency; the adjustment of a crank eccentricity can adjust the vertical vibration amplitude; the change of the upright lever ratio can adjust the vertical pendulum vibration amplitude; the horizontal torsion pendulum device can be used to adjust the torsion pendulum amplitude.
Description
Technical field
The utility model is a kind of dynamic test method and device, belong to a kind of by means of the chemistry of measuring material or physical property is tested or the test method of analysis of material characteristic and device, be meant test method and device that the fatigue behaviour of flexible member is tested especially.Be mainly used in automobile with the dynamic property of air spring or similar products and the test of fatigue lifetime.
Background technology
Along with present highway and urban public transport develop rapidly, comfort level to automobile or other public transport delivery vehicle is had higher requirement, air spring will generally be installed on and substitute steel spring on mass transportation facilities, bus and the bogie, for adapting to the development of air spring, the testing equipment of market demand energy simulated air spring actual working state, especially need the fatigue tester that long-term utilization is reliable, precision is high, use cost is low, to guarantee the performance and the quality of air spring product.At present, general spring fatigue test machine is to make product produce straight reciprocating motion at axial direction to check its fatigue lifetime.Driving mechanism can be hydraulic pressure or mechanical, and because of the singularity of torture test, test period is long, with hydraulic pressure or Servo Drive, operating cost height, and uses the Mechanical Driven to-and-fro movement, and gap and fricative impact and noise can have a strong impact on environment.Simultaneously, the general fatigue testing machine is that a direction produces motion, but to being used for the spring on the facilities for transport and communication, especially air spring, in concrete the use, often not just stressed generation distortion of direction, but the stressed generation distortion of a plurality of direction.Therefore, when detecting its fatigue lifetime, should simulate its actual loading and deformation state, should adopt the mode of multi-dimensional movement to test.
By searching the patent situation and the relevant article of " torture test ", " air spring fatigue tester " keyword aspect, do not find the patented claim record and the relevant paper of the air spring testing machine aspect that the mode of multi-dimensional movement is tested.
Summary of the invention
The purpose of this utility model is to provide a kind of utilization reliably and with long-term, and major parameter is adjustable, the spring dynamic property and the fatigue tester of a plurality of direction vibrations.
The technical solution adopted in the utility model is: adopt the asynchronous motor of being controlled by RHVC as Power Drive Unit, drive pulley gear by asynchronous motor again, and the driving gear of cogwheel gearing is installed on the passive wheel shaft of belt pulley, driving gear drives two follower gears that have toggle again simultaneously, by belt pulley and gear as variable speed drive, and by toggle generation linear vibration, drive two air springs simultaneously and do reversal of vibrations, make spring do vertical vibration with the vertical direction leverage vertical.Additional in the bottom of air spring have a horizontal torsional pendulum device.Horizontal torsional pendulum device can be mechanical type fluid power drives structure, and has the disappear bidentate wheel drive mechanism in crack of back pressure.Torsional pendulum device can make spring do level and rock vibration.Utilize RHVC scalable vibration frequency, adjust the amplitude of the eccentricity of crank scalable vertical vibration, change upright lever, can regulate the amplitude of rocking with horizontal torsional pendulum device than the vertical shimmy amplitude of scalable.Asynchronous motor is two end axles output, and an end is by vee belt dish output power, and the other end can produce braking and stop by detent, makes the whole test organizational security be held in certain particular state, checks the state of tested air spring in certain period of time.
This testing machine can be done the various tests of two tested air springs simultaneously, utilizes the bounce of air spring, can energy savings during back-to-back test, can certainly do the various tests of single air spring.
The beneficial effects of the utility model are: can detect the various vibration performances of air spring and the life-span under the various vibrational state, various vibration conditions are actual application environment of analog simulation air spring, can truly reflect the various performances and the serviceable life of air spring.
Accompanying drawing and explanation
Fig. 1 is a structural representation front view of the present utility model;
Fig. 2 is a structural representation left side view of the present utility model;
Fig. 3 is a unexpectedly vertical view of structure of the present utility model.
Among the figure: 1. reduction gear box, 2. toggle, 3. frame, 4. lever beam, 5. lever support, 6. worktable, 7. pulley decelerates transfer device, 8. asynchronous motor, 9. detent, 10. horizontal torsional pendulum device, 11. tested air springs, 12. frequency control electrical control cabinets, 13. connecting rods
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.Accompanying drawing has provided an embodiment of the present utility model, from accompanying drawing as can be seen, this automobile comprises frame 3 with the air spring fatigue tester, on the rear platform of frame 3, be equipped with an asynchronous motor 8, asynchronous motor 8 is the adjustable speed motors by the RHVC control of frequency control electrical control cabinet 12, and on the column of frame 3, be equipped with reduction gear box 1, asynchronous motor 8 links to each other by pulley decelerates transfer device 7 with reduction gear box 1, reduction gear box 1 is to drive a pair of follower gear simultaneously by 1 driving gear, form two symmetrical output units, can do simultaneously two air springs tests, by the spring counter-force to save the energy.Two driven gears are connected with toggle 2 respectively, simultaneously, a worktable 6 is arranged, on worktable 6 upper mounting plates, be equipped with horizontal torsional pendulum device 10 in the column front of frame 3, horizontal torsional pendulum device 10 can be mechanical type fluid power drives structure, and has the disappear bidentate wheel drive mechanism in crack of back pressure.Torsional pendulum device can make tested air spring 11 do level and rock vibration.Tested air spring 11 is placed on the horizontal torsional pendulum device 10, also is equipped with lever support 5 on worktable 6, and the other end of tested air spring 11 is by being installed on the connecting rod 13 that lever beam 4 on the lever support 5 is connected to toggle 2.The crank position of toggle 2 can be regulated, to adjust vibration amplitude.
Its principle of work is: the asynchronous motor 8 that can switch power supply with industrial using electricity system and RHVC drives, slow down through vee belt 7 and reducer casing 1, utilize toggle 2 to produce double vibrationses, through vertical rocking lever 4 and (or) 10 pairs of air springs of horizontal torsional pendulum device carry out dynamic property or torture test.During enforcement, to be installed between lever beam 4 and the worktable 6 with supporting of air spring 11 usefulness technologies and upper connecting base by the test specimen automobile, adjust pendulum arm length according to test program, fastening good with bolt and nut, according to by the test specimen test program, the validation test vibration frequency if require to be 3Hz, then directly gives asynchronous motor 8 for 380V 50Hz alternating current with industrial using electricity system by electrical control cabinet 12.If be greater than or less than 3Hz, then give asynchronous motor 8 power supplies by the RHVC of special configuration in the electrical control cabinet 12.RHVC is installed on the electrical control cabinet 12 and can switches the commercial power system that is connected, and friendly man-machine communication interface.Asynchronous motor 8 is two frequency control high performance low noise asynchronous motors of stretching output shaft, and detent 9 is hydraulic drive detents open in usual, guarantees that stop kept 1 hour under command status.Vibration frequency as requested, at the rotating speed of the good asynchronous motor 8 of touch-screen adjusted of control panel, the vibration frequency of the rotating speed of motor 8 and tested air spring 11 is one to one in advance.Air spring Oscillation Amplitude according to the test program requirement, tooth bar and the engagement of the stationary rack on the gear wheel axle head with the crank piece of toggle 2, adjust the eccentricity of crank from (each adjusts step-length is 5mm, is the one-sided amplitude of spring vibration, and its 2 times are double amplitude).Fastening good with hexagon socket head cap screw and spring washer.So just can carry out air spring at the swing double vibrations of vertical direction.Its action step is: give asynchronous motor 8 power supplies, motor produces and reverses power, through reduction gear 7 transmissions of one-level vee belt and deceleration, drive primary gear speed reducing box 1, driving gear symmetry simultaneously drives two engaged wheels, and one is just changeed, another counter-rotating, drive the spot wobble of lever beams 4 around lever support 5 through toggle 2 again, drive tested air spring 11 and do and swing up and down vibration, the counter in the electric control cabinet 12 writes down vibration number simultaneously.If test program also requires air spring 11 to do the swing vibration of horizontal direction simultaneously, then below tested air spring, the horizontal torsional pendulum device 10 of the top installation of worktable 6, air spring 11 is in the swing of making above-below direction, start horizontal torsional pendulum device 10 and make the amplitude of fluctuation that test program requires, just can test the vertical shimmy and level of air spring 11 simultaneously and rock, the coupling of two vibrations, more can simulated automotive with the practice state of air spring.
Claims (5)
1, automobile air spring fatigue test machine, comprise frame (3), on the rear platform of frame (3), be equipped with an asynchronous motor (8), it is characterized in that: asynchronous motor (8) is the adjustable speed motor by the RHVC control of frequency control electrical control cabinet (12), and on the column of frame (3), be equipped with reduction gear box (1), asynchronous motor (8) links to each other by pulley decelerates transfer device (7) with reduction gear box (1), reduction gear box (1) is to drive a pair of follower gear simultaneously by 1 driving gear, form two symmetrical output units, two driven gears are connected with toggle (2) respectively, simultaneously, in the column front of frame (3) worktable (6) is arranged, on worktable (6) upper mounting plate, be equipped with horizontal torsional pendulum device (10), torsional pendulum device (10) can make tested air spring (11) level of doing rock vibration, tested air spring (11) is placed on the horizontal torsional pendulum device (10), also be equipped with lever support (5) on worktable (6), the other end of tested air spring (11) is by being installed on the connecting rod (13) that lever beam (4) on the lever support (5) is connected to toggle (2).
2, automobile air spring fatigue test machine as claimed in claim 1 is characterized in that: horizontal torsional pendulum device (10) can be mechanical type fluid power drives structure, and has the disappear bidentate wheel drive mechanism in crack of back pressure.
3, automobile air spring fatigue test machine as claimed in claim 1, it is characterized in that: the crank position of toggle (2) can be regulated, to adjust vibration amplitude.
4, automobile air spring fatigue test machine as claimed in claim 1 is characterized in that: if vibration frequency requires to be 3Hz, then directly give asynchronous motor (8) for 380V 50Hz alternating current with industrial using electricity system by electrical control cabinet (12); If be greater than or less than 3Hz, then give asynchronous motor (8) power supply by the RHVC of special configuration in the electrical control cabinet (12).
5, automobile air spring fatigue test machine as claimed in claim 1, it is characterized in that: asynchronous motor (8) is two frequency control high performance low noise asynchronous motors of stretching output shaft, detent (9) is a hydraulic drive detent open in usual, guarantees that stop kept 1 hour under command status.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420035376 CN2727729Y (en) | 2004-03-19 | 2004-03-19 | Automobile air spring fatigue-testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420035376 CN2727729Y (en) | 2004-03-19 | 2004-03-19 | Automobile air spring fatigue-testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2727729Y true CN2727729Y (en) | 2005-09-21 |
Family
ID=35043742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420035376 Expired - Lifetime CN2727729Y (en) | 2004-03-19 | 2004-03-19 | Automobile air spring fatigue-testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2727729Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278407A (en) * | 2013-05-30 | 2013-09-04 | 山东中保康医疗器具有限公司 | Spring fatigue testing machine |
| CN105021388A (en) * | 2015-07-09 | 2015-11-04 | 安徽舒城华云弹簧制造有限公司 | Spring swing life test device |
| CN106404438A (en) * | 2016-08-31 | 2017-02-15 | 湖北华威科智能技术有限公司 | Running-in test device used for detecting RFID hot pressing head component |
| CN106802223A (en) * | 2016-12-29 | 2017-06-06 | 中国人民解放军63926部队 | It is a kind of for testing experimental rig of the fluid oscillation to pipeline fatigue damage |
| CN107702989A (en) * | 2017-09-29 | 2018-02-16 | 上海驰助汽车零部件有限公司 | A kind of horizontal linear fatigue tester |
| CN108262241A (en) * | 2017-11-30 | 2018-07-10 | 山东水星博惠汽车部件股份有限公司 | A kind of Frequency Adjustable width vibration mechine |
| CN108489726A (en) * | 2018-05-23 | 2018-09-04 | 江苏科信燃气设备有限公司 | Durability detection device for gas pressure regulator, governor diaphragm |
| CN109374453A (en) * | 2018-11-30 | 2019-02-22 | 温州市龙湾海伦五金厂 | Lockset torsional fatigue degree testing machine |
-
2004
- 2004-03-19 CN CN 200420035376 patent/CN2727729Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278407A (en) * | 2013-05-30 | 2013-09-04 | 山东中保康医疗器具有限公司 | Spring fatigue testing machine |
| CN105021388A (en) * | 2015-07-09 | 2015-11-04 | 安徽舒城华云弹簧制造有限公司 | Spring swing life test device |
| CN106404438A (en) * | 2016-08-31 | 2017-02-15 | 湖北华威科智能技术有限公司 | Running-in test device used for detecting RFID hot pressing head component |
| CN106404438B (en) * | 2016-08-31 | 2018-07-13 | 湖北华威科智能技术有限公司 | A kind of running test device for detecting RFID hot pressing head assemblies |
| CN106802223A (en) * | 2016-12-29 | 2017-06-06 | 中国人民解放军63926部队 | It is a kind of for testing experimental rig of the fluid oscillation to pipeline fatigue damage |
| CN106802223B (en) * | 2016-12-29 | 2018-04-03 | 中国人民解放军63926部队 | It is a kind of to be used to test experimental rig of the fluid oscillation to pipeline fatigue damage |
| CN107702989B (en) * | 2017-09-29 | 2024-05-28 | 上海驰助汽车零部件有限公司 | Horizontal straight line fatigue testing machine |
| CN107702989A (en) * | 2017-09-29 | 2018-02-16 | 上海驰助汽车零部件有限公司 | A kind of horizontal linear fatigue tester |
| CN108262241A (en) * | 2017-11-30 | 2018-07-10 | 山东水星博惠汽车部件股份有限公司 | A kind of Frequency Adjustable width vibration mechine |
| CN108489726B (en) * | 2018-05-23 | 2024-05-17 | 江苏科信燃气设备有限公司 | Durability detection device for gas pressure regulator membrane |
| CN108489726A (en) * | 2018-05-23 | 2018-09-04 | 江苏科信燃气设备有限公司 | Durability detection device for gas pressure regulator, governor diaphragm |
| CN109374453A (en) * | 2018-11-30 | 2019-02-22 | 温州市龙湾海伦五金厂 | Lockset torsional fatigue degree testing machine |
| CN109374453B (en) * | 2018-11-30 | 2021-01-22 | 温州市龙湾海伦五金厂 | Lock torsion fatigue testing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140319 Granted publication date: 20050921 |