CN204008141U - The axial load maintainer of bearing work condition simulating test machine for double mass flywheel - Google Patents
The axial load maintainer of bearing work condition simulating test machine for double mass flywheel Download PDFInfo
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- CN204008141U CN204008141U CN201420424965.9U CN201420424965U CN204008141U CN 204008141 U CN204008141 U CN 204008141U CN 201420424965 U CN201420424965 U CN 201420424965U CN 204008141 U CN204008141 U CN 204008141U
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
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- 230000005540 biological transmission Effects 0.000 claims description 49
- 238000005096 rolling process Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 5
- 238000004088 simulation Methods 0.000 abstract description 2
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- 230000006835 compression Effects 0.000 description 2
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- 230000033228 biological regulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
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Abstract
The utility model relates to the axial load maintainer of bearing work condition simulating test machine for a kind of double mass flywheel, comprise axial loading motor, axial loading arm, loading arm mount pad, eccentric wheel assembly and be fixed on the loading seat that outer ring swings gravity disk axial centre position, axially loading arm is hinged on loading arm mount pad and is lever-like, axially loading arm forms and divides loading end and the drive end that is located at pin joint both sides, axially the loading end of loading arm compresses and coordinates with loading seat, and axially the drive end of loading arm drives and is connected with axial loading motor through eccentric wheel assembly.The utility model is realized compared with prior art, simple and compact for structure, axially loads stablely, realizes the axial load operating mode authentic simulation with bearing to double mass flywheel, improves to have that test reliability is good and accuracy is good.
Description
Technical field
The utility model relates to test unit, be specifically related to bearing work condition simulating test machine for double mass flywheel, for the fail-test under bearing applying working condition, particularly double mass flywheel for simulated dual mass flywheel, use the axial load maintainer of bearing work condition simulating test machine.
Background technology
Double mass flywheel, is the new configuration occurring on automobile the end of the eighties in last century, and english abbreviation is called DMFW(double mass flywheel), it has very large effect for vibration isolation and the vibration damping of automobile power-transmission system.Double mass flywheel centre bearer is one of main load bearing component, and the reliability of its work plays vital effect to the normal work of double mass flywheel.Bearing in double mass flywheel is conventionally in hot environment, and Internal and external cycle can carry out rotating (wobble frequency is to 100Hz) and wide-angle low frequency rotates relative to low-angle high frequency simultaneously, and has under the operating modes such as radial load and axial impact loading and work; Bearing ordinary life must meet 20000 working hours, and between the operating period, sealing needs assurance reliable, and bearing is in the regulation degree of wear.Wherein approximately 99% relatively rotate <10o(high frequency for Internal and external cycle), the about 100N of radial load that the parts deadweights such as flywheel produce; Approximately 1% relatively rotates about 100o(low frequency for Internal and external cycle), bear the about 3000N of axial impact loading that clutch separation produces, bear the about 100N of radial load that the parts deadweights such as flywheel produce simultaneously.
At present, in prior art, can finely not try out in double mass flywheel and use on bearing work condition simulating test machine for using bearing shaft to the mechanism loading to double mass flywheel, exist bearing shaft unstable to loading, poor reliability, the defect of mechanism's complexity, is unfavorable for the axial load Work condition analogue to bearing, is unfavorable for the reliability of bearing and quality to understand, make the quality inspection of bearing and optimization be limited to, be unfavorable for bearing performance to improve the bearing improvement in serviceable life.
Utility model content
The deficiency existing for prior art, it is a kind of simple and compact for structure that the purpose of this utility model is to provide, axially load the axial load maintainer of bearing work condition simulating test machine for stable double mass flywheel, realization is the axial load operating mode authentic simulation with bearing to double mass flywheel, has advantages of that test reliability is good and accuracy is good.
For achieving the above object, the utility model provides following technical scheme: the axial load maintainer of bearing work condition simulating test machine for a kind of double mass flywheel, it is characterized in that: include axial loading motor, axial loading arm, loading arm mount pad, eccentric wheel assembly and the loading seat that is fixed on swing gravity disk axial centre position, outer ring, axially loading arm is hinged on loading arm mount pad and is lever-like, axially loading arm forms and divides loading end and the drive end that is located at pin joint both sides, axially the loading end of loading arm compresses and coordinates with loading seat, axially the drive end of loading arm drives and is connected with axial loading motor through eccentric wheel assembly.
By adopting technique scheme, motor shaft rotates, through eccentric wheel assembly driving axial loading arm, being lever-like swings, axially the loading end of loading arm compresses and loads seat, top is pressed outer ring to swing gravity disk workpiece is applied to axial load, adopt motor to coordinate eccentric wheel assembly, lever construction to realize, have simple in structurely, drive reliable and stable advantage.
The utility model is further set to: on described loading arm mount pad, be hinged with two described axial loading arms, every axial loading arm is to there being one to load seat, described eccentric wheel assembly includes transmission arm, interlock seat and the eccentric wheel being driven by axial loading motor, wherein the drive end of an axial loading arm and transmission arm are articulated and connected, the drive end of the axial loading arm of another root is hinged on interlock seat, described transmission arm is arranged on interlock seat with respect to the other end with the hinged one end of axial loading arm, transmission arm can coordinate along the axially relative slippage of transmission arm with interlock seat, transmission arm is connected end and the interlock of eccentric wheel butt of one end with interlock seat, on described transmission arm, be arranged with and drive transmission arm to be connected to the interlock spring on eccentric wheel, described interlock spring one end is pressed on transmission arm, the interlock spring other end is pressed on interlock seat.
By adopting technique scheme, when the eccentric wheel of axial loading device rotates, driving transmission arm moves axially, when transmission arm arrives the process of eccentric wheel extreme higher position from eccentric wheel extreme lower position, transmission arm stretches out, thereby drive a wherein axial loading arm to be lever-like swing, simultaneously, when transmission arm stretches out, compression interlock spring, interlock Spring driving interlock seat, interlock seat is final drives the axial loading arm hinged with interlock seat to be lever swing, realization drives two axial loading arms to be lever swing simultaneously simultaneously like this, workpiece in two test station is applied to axial load simultaneously, adopt two test station settings, improve testing efficiency, the respectively corresponding inner ring of two test station swings the axial end positions of mandrel, realizing two workpiece inner rings synchronously drives, and eccentric wheel assembly compact conformation, realizing the synchronous axial load of workpiece in two test station applies, axially load reliable and stable.
The utility model is further set to: described eccentric wheel includes rotating shaft and axial load driver rolling bearing, it is upper rotatable that described rotating shaft is assemblied in interlock seat, rotating shaft drives and is connected with axial loading motor, described rotating shaft is provided with the eccentric axis seat of eccentric setting, described axial load driver rolling bearing inner ring close-fitting is on eccentric axis seat, and axially load driver housing washer coordinates with transmission arm butt.
By adopting technique scheme, eccentric wheel adopts in rotating shaft and makes eccentric axis seat, on eccentric axis seat, assemble rolling bearing, eccentric easy to assembly, eccentric wheel slow-roll stabilization, and the Internal and external cycle that transmission arm and eccentric slip is changed into rolling bearing relatively rotates, thereby reduce wearing and tearing, improve serviceable life.
The utility model is further set to: described interlock seat is provided with through hole, interlock seat is installed with spring spool, in spring spool, be provided with spring cavity, spring cavity is corresponding with lead to the hole site, and transmission arm one end is through the spring cavity of spring spool, and on end the fixing piston body coordinating with eccentric wheel, piston body is moving to be fitted in spring cavity, and interlock spring is placed in spring cavity, and interlock spring housing is on transmission arm, interlock spring one end is against on piston body, and the interlock spring other end is pressed on spring spool.
By adopting technique scheme, the easy to assembly of spring that link, and the reliable advantage of working stability.
The utility model is further set to: described transmission arm is provided with the axial load sensor for detection of axial loading force.
By adopting technique scheme, realize the detection to axial loading force, be convenient to the axial loading force of regulating and controlling, improve and axially load reliability, improve the accuracy of test.
The utility model is further set to: described loading seat is provided with steel ball, and steel ball is rotatably assorted and is loading on seat, axially loading arm and the press fit of steel ball top.
By adopting technique scheme, reduce axial loading arm top and be pressed in the friction force that relatively rotates loading on seat, reduce wearing and tearing.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is the axial load maintainer wiring layout of the utility model specific embodiment;
Fig. 2 is the axial load maintainer structural representation of the utility model specific embodiment.
Embodiment
Need special instruction, in the utility model, " workpiece " of indication is double mass flywheel bearing.
Referring to accompanying drawing 1 to accompanying drawing 2, the axial load maintainer of bearing work condition simulating test machine for the disclosed a kind of double mass flywheel of the utility model, include axial loading motor 41, axial loading arm 42, loading arm mount pad 43, eccentric wheel assembly and be fixed on loading seat 44(outer ring that outer ring swings gravity disk 23 axial centre positions and swing gravity disk 23 and be fixed on workpiece outer ring, be used for driving workpiece outer ring to swing, simultaneously for workpiece being provided to stable radial load), the described seat 44 that loads is fixed on the axial centre position that outer ring swings gravity disk 23, loading arm mount pad 43 is fixedly mounted in workpiece fixing seat 21, axially loading arm 42 is hinged on loading arm mount pad 43 and is lever-like, axially loading arm 42 forms and divides loading end 421 and the drive end 422 that is located at pin joint both sides, axially the loading end 421 of loading arm 42 compresses and coordinates with loading seat 44, axially the drive end 422 of loading arm 42 drives and is connected with axial loading motor 41 through eccentric wheel assembly, conventionally axially the output of loading motor 41 need to be exported after speed reduction unit slows down, to guarantee the stability of output.
Wherein, for improving testing efficiency, and the stability that improves testing apparatus running, on described loading arm mount pad 43, being hinged with two described axial loading arm 42a, 42b, two axial loading arm 42a, 42b are all to there being one to load seat 44; At double mass flywheel, with the inner ring swing axial two ends of mandrel 22 of bearing work condition simulating test machine, be equipped with one for the test station of workpiece assembling test, inner ring swings the test station at mandrel 22 axial two ends all to there being an outer ring to swing gravity disk 23, is all fixed with one and loads seat 44 on each outer ring swing gravity disk 23.The eccentric wheel 47 that described eccentric wheel assembly includes transmission arm 45, interlock seat 46 and driven by axial loading motor 41, wherein the drive end of an axial loading arm 42a and transmission arm 45 are articulated and connected, the drive end of the axial loading arm 42b of another root is hinged on interlock seat 46, described transmission arm 45 is arranged on interlock seat 46 with respect to the other end with the hinged one end of axial loading arm 42a, and transmission arm 45 can coordinate along the axially relative slippage of transmission arm 45 with interlock seat 46; Transmission arm 45 is connected end and the eccentric wheel 47 butt interlocks of one end with interlock seat 46, on described transmission arm 45, be arranged with and drive transmission arm 45 to be connected to the interlock spring 48 on eccentric wheel 47, described interlock spring 48 one end are pressed on transmission arm 45, and interlock spring 48 other ends are pressed on interlock seat 46.In this specific embodiment, on interlock seat 46, be provided with through hole, interlock seat 46 is installed with spring spool 49, in spring spool 49, be provided with spring cavity, spring cavity is corresponding with lead to the hole site, transmission arm 45 one end are through the spring cavity of spring spool 9, and on end the fixing piston body 491 coordinating with eccentric wheel 47, the moving spring cavity that fits over of piston body 491, interlock spring 48 is placed in spring cavity, interlock spring 48 is enclosed within on transmission arm 45, and interlock spring 48 one end are against on piston body 491, and interlock spring 48 other ends are pressed on spring spool 49; Design, has advantages of processing, easy to assembly like this.
For convenience of the regulating and controlling to axial loading force, described transmission arm 45 is provided with the axial load sensor 40 for detection of axial loading force, and axially load sensor can be pressure transducer.
For further facilitating eccentric setting, described eccentric wheel 47 includes rotating shaft 471 and axial load driver rolling bearing 472, described rotating shaft 471 warp beams take up fit on interlock seat 46 rotatable, rotating shaft 471 drives and is connected with axial loading motor 41, described rotating shaft 471 is provided with the eccentric axis seat 4711 of eccentric setting, described axial load driver rolling bearing 472 inner ring close-fittings are on eccentric axis seat 4711, and axially load driver rolling bearing 472 outer rings coordinate with transmission arm 45 butts.Eccentric wheel adopts in rotating shaft and makes eccentric axis seat, assembles rolling bearing on eccentric axis seat, eccentric easy to assembly, eccentric wheel slow-roll stabilization, and the Internal and external cycle that transmission arm and eccentric slip is changed into rolling bearing relatively rotates, thereby reduce wearing and tearing, improve serviceable life.
Reliable with coordinating of loading seat for improving axial loading arm, on loading seat 44, be provided with steel ball 441, steel ball 441 is rotatably assorted and is loading on seat 44, axially loading arm 42 and steel ball 441 top press fits, reduce axial loading arm 42 tops and be pressed in the friction force that relatively rotates loading on seat 44, reduce wearing and tearing.
Workpiece spindle is to loading principle of work: axially loading motor 41 drive shafts 471 are rotated, thereby axial load driver rolling bearing 472 eccentric rotary in drive shaft 471, by a distance rotating shaft 471 axle center high position far away on eccentric axis seat 4711, slowly turn to corresponding transmission arm 45 positions, drive transmission arm 45 to move axially and drive the lever swing that is of connected axial loading arm 42a, meanwhile, when transmission arm 45 stretches out, compression interlock spring 48, interlock spring 48 drives interlock seat 46, interlock seat 46 is final drives the axial loading arm 42b hinged with interlock seat 46 to be lever swing, realize drives two axial loading arms to be lever swing simultaneously, workpiece in two test station is applied to identical axial load simultaneously, be convenient to the control of load.
Claims (7)
1. the axial load maintainer of bearing work condition simulating test machine for a double mass flywheel, it is characterized in that: include axial loading motor, axial loading arm, loading arm mount pad, eccentric wheel assembly and be fixed on the loading seat that outer ring swings gravity disk axial centre position, axially loading arm is hinged on loading arm mount pad and is lever-like, axially loading arm forms and divides loading end and the drive end that is located at pin joint both sides, axially the loading end of loading arm compresses and coordinates with loading seat, and axially the drive end of loading arm drives and is connected with axial loading motor through eccentric wheel assembly.
2. the axial load maintainer of bearing work condition simulating test machine for double mass flywheel according to claim 1, it is characterized in that: on described loading arm mount pad, be hinged with two described axial loading arms, every axial loading arm is to there being one to load seat, described eccentric wheel assembly includes transmission arm, interlock seat and the eccentric wheel being driven by axial loading motor, wherein the drive end of an axial loading arm and transmission arm are articulated and connected, the drive end of the axial loading arm of another root is hinged on interlock seat, described transmission arm is arranged on interlock seat with respect to the other end with the hinged one end of axial loading arm, transmission arm can coordinate along the axially relative slippage of transmission arm with interlock seat, transmission arm is connected end and the interlock of eccentric wheel butt of one end with interlock seat, on described transmission arm, be arranged with and drive transmission arm to be connected to the interlock spring on eccentric wheel, described interlock spring one end is pressed on transmission arm, the interlock spring other end is pressed on interlock seat.
3. the axial load maintainer of bearing work condition simulating test machine for double mass flywheel according to claim 2, it is characterized in that: described eccentric wheel includes rotating shaft and axial load driver rolling bearing, it is upper rotatable that described rotating shaft is assemblied in interlock seat, rotating shaft drives and is connected with axial loading motor, described rotating shaft is provided with the eccentric axis seat of eccentric setting, described axial load driver rolling bearing inner ring close-fitting is on eccentric axis seat, and axially load driver housing washer coordinates with transmission arm butt.
4. according to double mass flywheel described in claim 2 or 3, use the axial load maintainer of bearing work condition simulating test machine, it is characterized in that: described interlock seat is provided with through hole, interlock seat is installed with spring spool, in spring spool, be provided with spring cavity, spring cavity is corresponding with lead to the hole site, transmission arm one end is through the spring cavity of spring spool, and on end the fixing piston body coordinating with eccentric wheel, piston body is moving to be fitted in spring cavity, interlock spring is placed in spring cavity, interlock spring housing is on transmission arm, interlock spring one end is against on piston body, the interlock spring other end is pressed on spring spool.
5. the axial load maintainer with bearing work condition simulating test machine according to double mass flywheel described in claim 2 or 3, is characterized in that: described transmission arm is provided with the axial load sensor for detection of axial loading force.
6. the axial load maintainer of bearing work condition simulating test machine for double mass flywheel according to claim 4, is characterized in that: described transmission arm is provided with for detection of the axial axial load sensor of loading force.
7. the axial load maintainer with bearing work condition simulating test machine according to double mass flywheel described in claim 1 or 2 or 3, is characterized in that: described loading seat is provided with steel ball, and steel ball is rotatably assorted and is loading on seat, axially loading arm and the press fit of steel ball top.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420424965.9U CN204008141U (en) | 2014-07-30 | 2014-07-30 | The axial load maintainer of bearing work condition simulating test machine for double mass flywheel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420424965.9U CN204008141U (en) | 2014-07-30 | 2014-07-30 | The axial load maintainer of bearing work condition simulating test machine for double mass flywheel |
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| CN204008141U true CN204008141U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420424965.9U Expired - Fee Related CN204008141U (en) | 2014-07-30 | 2014-07-30 | The axial load maintainer of bearing work condition simulating test machine for double mass flywheel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113008533A (en) * | 2020-12-31 | 2021-06-22 | 莱茵技术（上海）有限公司 | Fatigue testing device for swing rotating shaft |
| CN113758707A (en) * | 2020-06-02 | 2021-12-07 | 株洲中车时代电气股份有限公司 | Axial force loading device for railway axle box bearing test |
-
2014
- 2014-07-30 CN CN201420424965.9U patent/CN204008141U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758707A (en) * | 2020-06-02 | 2021-12-07 | 株洲中车时代电气股份有限公司 | Axial force loading device for railway axle box bearing test |
| CN113008533A (en) * | 2020-12-31 | 2021-06-22 | 莱茵技术（上海）有限公司 | Fatigue testing device for swing rotating shaft |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 16 No. 325000 Yong Jiang Road, hi tech Industrial Development Zone, Zhejiang, Wenzhou, China Patentee after: C&U Co.,Ltd. Address before: 16 No. 325000 Yong Jiang Road, hi tech Industrial Development Zone, Zhejiang, Wenzhou, China Patentee before: C & U Group Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 |