CN104931261B - A kind of dynamic aligning force tester of clutch Self-aligning release bearing - Google Patents
A kind of dynamic aligning force tester of clutch Self-aligning release bearing Download PDFInfo
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- CN104931261B CN104931261B CN201510283239.9A CN201510283239A CN104931261B CN 104931261 B CN104931261 B CN 104931261B CN 201510283239 A CN201510283239 A CN 201510283239A CN 104931261 B CN104931261 B CN 104931261B
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- Prior art keywords
- aligning
- power transmission
- release bearing
- transmission shaft
- thrust
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Abstract
The invention discloses a kind of dynamic aligning force tester of clutch Self-aligning release bearing.The aligning force of release bearing when aligning force measuring method is only capable of measuring static state as defined in JB/T 5,312 2011, actual aligning force when it rotates at a high speed with bearing is not completely equivalent, and this carrys out very big error to the analytic band of clutch dynamic property.Power is transmitted to separating mechanism by the drive mechanism of the present invention through transmission mechanism, the diaphragm spring of separating mechanism can clamp the inner ring for driving clutch Self-aligning release bearing, axial loading device applies axial force to the outer ring of clutch Self-aligning release bearing, and radial loading device applies radial load to the outer ring of clutch Self-aligning release bearing.The present invention is directed to the actual condition of clutch Self-aligning release bearing, simulation loading axial load, rotating speed, and deformation by diaphragm spring and hold-down bolt keep regulatory function, the test bearing situation loaded is closer to the true stand under load of automobile hub bearing.
Description
Technical field
The invention belongs to clutch release bearing Technology of Precision Measurement field, and in particular to a kind of clutch Self-aligning separation
Bearing dynamic aligning force tester.
Background technology
Vehicle clutch disengaging bearing is one of key components and parts of clutch in automobile chassis, clutch release bearing from
The low speed unit being integrated without aligning performance, outer ring rotation, cast iron liners inner ring and bushing, is developed into self-regulated disposition
Can, inner ring rotation, punched outer housing and punching press bushing or plastic bushing be integrated high speed, high reliability bearing unit, its is heavy
Amount alleviates nearly 50%, and cost is also greatly reduced, and realizes componentization, lightweight, high reliability and long-life.Clutch self-regulated
The Self-aligning performance of heart release bearing solves separation axle caused by clutch manufacturing tolerance, mating components tolerance, alignment error
Hold with diaphragm spring rotation not to heart problem, it is to avoid produce a large amount of heatings, abrasion and noise problem because barycenter is slided.Self-regulated
Aligning separable bearing of clutch is proved to decline 25% than non-self-aligning separable bearing of clutch operating temperature, and service life increases by 4
Times.
Aligning force is one of most important performance indications of clutch Self-aligning release bearing, and its size directly affects clutch
The working life of release bearing, and then influence the driving safety of vehicle.In recent years, with the raising of Domestic Automotive Industry level,
The measurement of vehicle clutch disengaging bearing aligning force causes the attention of production firm, complete-system vendor more and more.Meanwhile, by
The aligning force of release bearing when aligning force measuring method is only capable of measuring static state as defined in JB/T 5312-2011, itself and bearing are at a high speed
Actual aligning force during rotation is not completely equivalent, and this carrys out very big error to the analytic band of clutch dynamic property.Therefore need badly
A kind of testing machine for being capable of the dynamic aligning force of gaging clutch release bearing.
The content of the invention
The purpose of the present invention is in view of the shortcomings of the prior art, to propose a kind of dynamic aligning of clutch Self-aligning release bearing
Force tester, can be applied to existing most of Self-aligning vehicle clutch disengaging bearings, and can simulated automotive clutch separation
The actual operating mode of bearing.
The present invention includes drive mechanism, transmission mechanism, separating mechanism, axial loading device, radial loading device and test
System.Described transmission mechanism includes power transmission shaft one, power transmission shaft two and frictional disk；Described power transmission shaft one passes through angular contact ball axle
Hold and be supported on a bearing block, described drive mechanism driving power transmission shaft one；Described power transmission shaft two passes through taper roller axle
Hold and be supported on a bearing block, and be driven with power transmission shaft one by tape handler；Bearing block is fixed with support bottom plate；It is described
Frictional disk be connected with power transmission shaft two by key.
Described separating mechanism includes power transmission shaft three, platen, and the small sleeve and diaphragm spring being enclosed on power transmission shaft three；
Described power transmission shaft three is supported on a bearing block by taper roll bearing；Described platen is connected with power transmission shaft three by key
Connect；Described diaphragm spring and small sleeve sets up separately in clutch Self-aligning release bearing both sides；The small end of diaphragm spring and small set
Inner ring end contact of one end boss of cylinder with clutch Self-aligning release bearing；Diaphragm spring sets pretightning force；The film
The big end of flat spring passes through the big sleeve axially position that is nested with platen；The other end of the small sleeve and supporting drive shaft three
Tapered roller bearing internal ring contact.
Described axial loading device includes leverage, axial force transmission mechanism and hold-down bolt；Described Lever machine
Structure includes lever, slip cap and pin；Described axial force transmission mechanism includes thrust sleeve, thrust collar and Elastic Sliding material
Material；Described slip cap is hinged by pin with rack side plate, and the chute shape opened up in the middle part of that end of thrust sleeve nested with lever
Into sliding pair；One end end of the lever is nested in the neck that thrust sleeve cylinder is opened up；Described thrust sleeve and thrust sleeve
Ring is interference fitted with the taper roll bearing outer ring of supporting drive shaft three；One end of the thrust collar is contacted with thrust sleeve,
The other end and Elastic Sliding material, Elastic Sliding material are contacted with the outer ring of clutch Self-aligning release bearing；Described
Hold-down bolt is threadedly coupled with rack side plate, and compresses thrust sleeve.
Described radial loading device includes force application board and hydraulic thrust device；Described hydraulic thrust device is fixed on upper end cover
Assembly room in；Two piece thrust axis of the two ends of hydraulic thrust device provided with coaxial and equal length；Described force application board and upper end
The locating slot formation sliding pair of lid；The outer ring of the semicircle notch that the force application board is opened up and clutch Self-aligning release bearing connects
Touch.
Described test system includes pressure sensor, integrated operational amplifier and display；Described pressure sensor
It is fixed on upper end cover；The thrust axis and pressure sensor contacts of hydraulic thrust device one end, the thrust axis and force application board of the other end
Contact；Pressure sensor exports pressure signal to integrated operational amplifier, after integrated operational amplifier amplifies pressure signal
It is defeated by the curve of display, display output pressure and time.
Described drive mechanism includes motor and shaft coupling, and the output shaft of motor and one end of shaft coupling are solid
It is fixed；The other end of shaft coupling is fixed on power transmission shaft one.
Described power transmission shaft one is connected with small pulley by key；Big belt wheel is connected with power transmission shaft two by key, and passes through spiral shell
Clench solid；Described big belt wheel is connected with small pulley by band.
Radiating groove is offered on described thrust collar.
Beneficial effects of the present invention：
The present invention can only Static Detection, its numerical value and actual work for the aligning force of current clutch Self-aligning release bearing
The problem of condition difference is larger, simulation loading axial load, rotating speed, and deformation by diaphragm spring and hold-down bolt keep adjusting
Function is saved, test bearing situation loaded is closer to the true stand under load of automobile release bearing so that the present invention can be measured
Dynamic aligning force in the release bearing course of work, the error solved between static aligning force and dynamic aligning force is counted to design
The harmful effect brought in terms of calculation, performance evaluation, complex optimum etc., designs for vehicular clutch and is analyzed with vehicles dynamic performance
There is provided more accurate means of testing and test method.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is Fig. 1 upwarding cutaway view；
Fig. 3 is Fig. 1 left view sectional view.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
As shown in Figure 1,2 and 3, the dynamic aligning force tester of a kind of clutch Self-aligning release bearing, including drive mechanism,
Transmission mechanism, separating mechanism, axial loading device, radial loading device and test system；Drive mechanism include motor and
Shaft coupling 43, one end of the output shaft and shaft coupling 43 of motor is fixed.
Transmission mechanism include power transmission shaft 1, small pulley 24, wedge key 25, big belt wheel 18, power transmission shaft 2 29, screw 19,
Frictional disk 13, key 1 and key 2 28；Power transmission shaft 1 is supported on a bearing block 20 by angular contact ball bearing 21, and with
Small pulley 24 is connected by wedge key 25；The other end of shaft coupling 43 is fixed on power transmission shaft 1；Power transmission shaft 2 29 passes through circle
Taper roller bearing 27 is supported on a bearing block 20；Bearing block 20 is fixed with support bottom plate 16 by fastening bolt 9；Big belt wheel
18 are connected with power transmission shaft 2 29 by key 1, and are fastened by screw 19, prevent big belt wheel 18 from sliding axially；Big belt wheel
18 are connected with small pulley 24 by band；Frictional disk 13 is connected with power transmission shaft 2 29 by key 2 28.
Separating mechanism includes power transmission shaft 3 35, platen 12, and the small sleeve 33 and diaphragm bullet being enclosed on power transmission shaft 3 35
Spring 11；Power transmission shaft 3 35 is supported on a bearing block 20 by taper roll bearing 27；Platen 12 passes through with power transmission shaft 3 35
Key 3 30 is connected；Diaphragm spring 11 and small sleeve 33 set up separately in the both sides of clutch Self-aligning release bearing 10；Diaphragm spring 11
Inner ring end contact of one end boss of small end and small sleeve 33 with clutch Self-aligning release bearing 10；Diaphragm spring 11 is set
Put pretightning force；The big end of diaphragm spring 11 passes through the axially position of big sleeve 40 that is nested with platen 12；Small sleeve 33 it is another
End is contacted with the inner ring of taper roll bearing 27 of supporting drive shaft 3 35；In the presence of axial loading device, platen 12 is with rubbing
Wipe disk 13 to contact, transfer power on power transmission shaft 3 35, pressed simultaneously because diaphragm spring 11 is compressed indirectly by big sleeve 40
Disk 12 and produce frictional force, motion is transmitted to diaphragm spring 11 in the presence of frictional force, similarly diaphragm spring 11 by move pass
To clutch Self-aligning release bearing 10.
Axial loading device includes leverage, axial force transmission mechanism and hold-down bolt 39；Leverage includes lever
1st, slip cap 38 and pin 37；Axial force transmission mechanism includes thrust sleeve 6, thrust collar 32 and Elastic Sliding material 31；Slide
Set 38 is hinged by pin 37 with rack side plate 5, and the chute formation opened up in the middle part of that end of thrust sleeve 6 nested with lever 1 is slided
It is secondary；One end end of lever 1 is nested in the neck that the cylinder of thrust sleeve 6 is opened up；Due to the presence of slip cap 38, and thrust sleeve
6 position-limiting action, lever 1 axially applies active force along thrust sleeve 6 to thrust sleeve 6 all the time；Thrust sleeve 6 and thrust collar 32 are equal
It is interference fitted with the outer ring of taper roll bearing 27 of supporting drive shaft 3 35；One end of thrust collar 32 is contacted with thrust sleeve 6, separately
One end is contacted with Elastic Sliding material 31, and Elastic Sliding material 31 is contacted with the outer ring of clutch Self-aligning release bearing 10；Push away
Radiating groove is offered on the power collar 32；Hold-down bolt 39 is threadedly coupled with rack side plate 5, and compresses thrust sleeve 6；Start loading
When, leverage loads axial force to thrust sleeve 6, thrust sleeve 6 is promoted thrust collar 32 and Elastic Sliding material 31, and then will
Axial load is transmitted to clutch Self-aligning release bearing 10；Wherein, it is definite value to ensure axial force by adjusting hold-down bolt 39,
Concrete measure is when 39 turns of hold-down bolt is motionless, that is, to complete regulation.
Radial loading device includes force application board 22 and hydraulic thrust device 4；Hydraulic thrust device 4 is fixed on the assembling of upper end cover 2
It is indoor；Two piece thrust axis of the two ends of hydraulic thrust device 4 provided with coaxial and equal length；The positioning of force application board 22 and upper end cover 2
Groove formation sliding pair；The semicircle notch that force application board 22 is opened up is contacted with the outer ring of clutch Self-aligning release bearing 10.
Test system includes pressure sensor 3, integrated operational amplifier and display；Pressure sensor 3 is fixed on upper end
On lid 2；When the stabilization of speed of clutch Self-aligning release bearing 10, start radial loaded, hydraulic thrust device 4 first starts work
Make, the thrust axis of such one end of hydraulic thrust device 4 is acted on pressure sensor 3, and the thrust axis of the other end acts on force application board
On 22, radial load is applied to the outer ring of clutch Self-aligning release bearing 10 by force application board 22 again；When the separation of clutch Self-aligning
The inner ring of bearing 10 and outer ring are when radial direction produces relative motion, and the sensing deformation of pressure sensor 3 exports pressure signal
To integrated operational amplifier, integrated operational amplifier is defeated by display after pressure signal is amplified, display output pressure and when
Between curve.
The operation principle of clutch Self-aligning release bearing dynamic aligning force tester：
Start motor, power is delivered to by transmission mechanism on frictional disk 13；Deng the stabilization of speed of frictional disk 13
Afterwards, promote lever 1 clutch Self-aligning release bearing 10 to be measured is carried out it is axially loaded, at the same time by adjusting hold-down bolt
39, make the size of axial load stable, specifically adjust untill hold-down bolt 39 can not be rotated, so achieve that axial load
Loading, platen 12 and frictional disk 13 frictional force effect under, impart power on clutch Self-aligning release bearing 10；
After the operating of clutch Self-aligning release bearing 10 is stable, then start hydraulic thrust device 4, one end of hydraulic thrust device 4 is compressed
The pressure sensor 3 on upper end cover 2 is fixed on, the other end compresses force application board 22, so that force application board 22 compresses clutch self-regulated
The outer ring of heart release bearing, is so achieved that the loading of radial load；Hydraulic thrust device 4 is adjusted, makes the radial load of loading
Slow linear increase, when the radial direction of the point, the then point of slope mutation occur in the radial load that display is shown and time graph
Load is the dynamic aligning force of clutch Self-aligning release bearing 10.
Claims (4)
1. a kind of dynamic aligning force tester of clutch Self-aligning release bearing, including drive mechanism, transmission mechanism, seperator
Structure, axial loading device, radial loading device and test system, it is characterised in that：
Described transmission mechanism includes power transmission shaft one, power transmission shaft two and frictional disk；Described power transmission shaft one passes through angular contact ball axle
Hold and be supported on a bearing block, described drive mechanism driving power transmission shaft one；Described power transmission shaft two passes through taper roller axle
Hold and be supported on a bearing block, and be driven with power transmission shaft one by tape handler；Bearing block is fixed with support bottom plate；It is described
Frictional disk be connected with power transmission shaft two by key；
Described separating mechanism includes power transmission shaft three, platen, and the small sleeve and diaphragm spring being enclosed on power transmission shaft three；It is described
Power transmission shaft three be supported on by taper roll bearing on a bearing block；Described platen is connected with power transmission shaft three by key；
Described diaphragm spring and small sleeve sets up separately in clutch Self-aligning release bearing both sides；The small end of diaphragm spring and small sleeve
Inner ring end contact of one end boss with clutch Self-aligning release bearing；Diaphragm spring sets pretightning force；The diaphragm bullet
The big end of spring passes through the big sleeve axially position that is nested with platen；The other end of the small sleeve and the circle of supporting drive shaft three
Taper roller bearing inner ring is contacted；
Described axial loading device includes leverage, axial force transmission mechanism and hold-down bolt；Described leverage bag
Include lever, slip cap and pin；Described axial force transmission mechanism includes thrust sleeve, thrust collar and Elastic Sliding material；Institute
The slip cap stated is hinged by pin with rack side plate, and the chute formation opened up in the middle part of that end of thrust sleeve nested with lever is slided
It is secondary；One end end of the lever is nested in the neck that thrust sleeve cylinder is opened up；Described thrust sleeve and thrust collar with
The taper roll bearing outer ring interference fit of supporting drive shaft three；One end of the thrust collar is contacted with thrust sleeve, the other end
With Elastic Sliding material, Elastic Sliding material is contacted with the outer ring of clutch Self-aligning release bearing；Described compression spiral shell
Bolt is threadedly coupled with rack side plate, and compresses thrust sleeve；
Described radial loading device includes force application board and hydraulic thrust device；Described hydraulic thrust device is fixed on the dress of upper end cover
With interior；Two piece thrust axis of the two ends of hydraulic thrust device provided with coaxial and equal length；Described force application board and upper end cover
Locating slot formation sliding pair；The semicircle notch that the force application board is opened up is contacted with the outer ring of clutch Self-aligning release bearing；
Described test system includes pressure sensor, integrated operational amplifier and display；Described pressure sensor is fixed
On upper end cover；The thrust axis and pressure sensor contacts of hydraulic thrust device one end, the thrust axis of the other end are contacted with force application board；
Pressure sensor exports pressure signal to integrated operational amplifier, and integrated operational amplifier is defeated by aobvious after pressure signal is amplified
Show the curve of device, display output pressure and time.
2. the dynamic aligning force tester of a kind of clutch Self-aligning release bearing according to claim 1, it is characterised in that：
Described drive mechanism includes motor and shaft coupling, and the output shaft of motor and one end of shaft coupling are fixed；Shaft coupling
The other end be fixed on power transmission shaft one.
3. the dynamic aligning force tester of a kind of clutch Self-aligning release bearing according to claim 1, it is characterised in that：
Described power transmission shaft one is connected with small pulley by key；Big belt wheel is connected with power transmission shaft two by key, and is fastened by screw；Institute
The big belt wheel stated is connected with small pulley by band.
4. the dynamic aligning force tester of a kind of clutch Self-aligning release bearing according to claim 1, it is characterised in that：
Radiating groove is offered on described thrust collar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510283239.9A CN104931261B (en) | 2015-05-28 | 2015-05-28 | A kind of dynamic aligning force tester of clutch Self-aligning release bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510283239.9A CN104931261B (en) | 2015-05-28 | 2015-05-28 | A kind of dynamic aligning force tester of clutch Self-aligning release bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104931261A CN104931261A (en) | 2015-09-23 |
| CN104931261B true CN104931261B (en) | 2017-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510283239.9A Expired - Fee Related CN104931261B (en) | 2015-05-28 | 2015-05-28 | A kind of dynamic aligning force tester of clutch Self-aligning release bearing |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044843A (en) * | 2017-04-16 | 2017-08-15 | 东南大学 | Vehicle clutch disengaging bearing automatic detecting table |
| CN109253856A (en) * | 2018-09-29 | 2019-01-22 | 浙江工业大学 | A kind of different structure wall surface drag reduction test device based under varying environment |
| CN110132618B (en) * | 2019-06-05 | 2020-04-07 | 燕山大学 | Tire tread damage testing arrangement |
| US11680871B2 (en) * | 2019-06-12 | 2023-06-20 | Jtekt Corporation | Rolling bearing test device, and method for testing rolling bearing |
| CN113984263B (en) * | 2021-10-29 | 2023-12-19 | 绍兴淼汇能源科技有限公司 | Radial force and axial force detection device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2648428Y (en) * | 2003-09-23 | 2004-10-13 | 洛阳轴研科技股份有限公司 | Clutch separating bearing analog testing machine for car |
| CN201060101Y (en) * | 2007-06-29 | 2008-05-14 | 杭州雷迪克汽车部件制造有限公司 | Aligning force measurement mechanism of self aligning separable bearing of clutch unit |
| CN201965023U (en) * | 2011-01-04 | 2011-09-07 | 洛阳轴承研究所有限公司 | Simulation test device for separation bearing of pull type clutch |
| CN102636348B (en) * | 2012-04-10 | 2015-07-15 | 洛阳轴研科技股份有限公司 | High speed bearing tester |
| KR101429158B1 (en) * | 2013-04-09 | 2014-08-11 | 우림기계(주) | Test device for friction force of multi-disc brake or clutch |
| KR101509957B1 (en) * | 2013-10-29 | 2015-04-07 | 현대자동차주식회사 | Estimating method for characteristic of transmitting torque of dry type clutch |
| CN104266838A (en) * | 2014-10-16 | 2015-01-07 | 江苏大学 | Electromagnetic slip clutch performance test bench |
| CN204359530U (en) * | 2015-01-21 | 2015-05-27 | 人本集团有限公司 | Vehicle clutch disengaging bearing testing machine |
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2015
- 2015-05-28 CN CN201510283239.9A patent/CN104931261B/en not_active Expired - Fee Related
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| CN104931261A (en) | 2015-09-23 |
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