CN200950050Y - Rolling bearing contact angle measuring apparatus - Google Patents
Rolling bearing contact angle measuring apparatus Download PDFInfo
- Publication number
- CN200950050Y CN200950050Y CN 200620032467 CN200620032467U CN200950050Y CN 200950050 Y CN200950050 Y CN 200950050Y CN 200620032467 CN200620032467 CN 200620032467 CN 200620032467 U CN200620032467 U CN 200620032467U CN 200950050 Y CN200950050 Y CN 200950050Y
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Abstract
A measuring apparatus for the wrapping angle of a rolling bearing comprises a drive mechanism, a loading system, a revolution transmitter, an electric appliance, and a computer data processing system. The drive mechanism is connected with a dense ball bearing shafting(9) through a synchronous motor driving a synchronous belt(2) and a bearing clamping fixture(3) is fixed on the drive mechanism. The upper part of the clamping fixture is provided with a loading cylinder (6) and the clamping fixture is fixed on the cylinder supporting (7). A loading disk (4) is connected to the shaft tip of the loading cylinder and the revolution transmitter (5) is arranged on the loading disk. The transmitter is connected with the computer data processing system. The gas circuits in the entrance and exit of the loading cylinder (6) of the loading system are provided with a return orifice check valve (14). The loading cylinder and the return orifice check valve are together connected with a two-position and five-way reversing valve (13). The other end of the loading cylinder is connected with a fine pressure regulating valve (12) and then connected with an air supply (10) through a pneumatic triple component (11). The measuring apparatus solves the wrapping angle measuring of a contact ball bearing and provides scientific basis for the paired used, supporting capacity, rigidness, and service life calculation of bearing.
Description
Technical field:
The utility model belongs to the bearing contact angle field of measuring technique, relates generally to a kind of rolling bearing contact angle measurement.
Background technology:
Bearing contact angle is the important structural parameters of angular contact bearing, influence bearing axially, the load distribution of load-bearing capacity, rigidity and paired angular contact ball bearing radially, in the angular contact ball bearing standard, clear and definite requirement and regulation are arranged for it:
The theory contact of bearing
In the formula: r
0, r
iRadius-of-curvature for interior outer fissure; C is an end-play; D
wBe steel ball size.Theoretical size by bearing calculates, but owing to there is mismachining tolerance can't carry out precision measurement again, thereby influenced the accuracy of calculating, and the height of bearing products performance and precision detects by instrument and judges, whether the bearing detecting instrument is advanced, will directly have influence on reliability and the accuracy that bearing products detects.
Present domestic Production of bearing producer, in, large-scale the angular contact ball bearing well directly way and the instrument of measurement bearing contact angle of neither one also, the contact angle of microminiature angular contact ball bearing uses J693 contact angle measurement and J6915 contact angle measurement, these two kinds of instruments adopt counterweight and lever to add axial load to bearing inner race, the bearing outer ring position rotating, angular transducer is measured the outer corner difference between retainer and bearing outer ring, calculates bearing contact angle.The weak point of above-mentioned instrument is: 1. adopt the location, outer ring, the size block plasticity is poor; 2. counterweight, lever load, and loading force and bearing axis do not overlap, and are easy to generate deflection angle between bearing enclose, influence measuring accuracy.
The develop rapidly of mechanical industry, in, large-scale angular contact ball bearing application surface is more and more wider, the requirement of the contact angle of diametrical connection contact bearing improves constantly, correspondingly the demand to the bearing contact angle measuring instrument also increases thereupon.
Summary of the invention:
In order to reach direct measured angular contact ball bearing contact angle and to compare with the contact angle of Theoretical Calculation, the purpose of this utility model provides a kind of rolling bearing contact angle measurement, in having solved intuitively, the contact angle of large-scale angular contact ball bearing measures, pairing to bearing is used, and load-bearing capacity, rigidity and Life Calculation provide foundation.
In order to realize the foregoing invention purpose, the utility model has adopted following technical scheme:
Described rolling bearing contact angle measurement mainly is made up of bearing location driving mechanism, loading system, speed probe, electrical equipment and computer data processing system.Its bearing location driving mechanism is made of synchronous motor, synchronous band, bearing mold, dense ball bearing shafting; Bearing location driving mechanism is installed on the instrument worktable, and synchronous motor connects dense ball bearing shafting by synchronous cog belt, is fixed with the bearing positioning clamping fixture on the dense ball bearing shafting; The mold top is provided with and adds carrier gas cylinder, and it is fixed on the cylinder support, connects loading disc at the axle head that adds carrier gas cylinder, and loading disc can be adjusted according to bearing size, and speed probe is installed on loading disc, and sensor is connected with computer data processing system.
Described rolling bearing contact angle measurement, its loading system by loading disc, add carrier gas cylinder, cylinder support, source of the gas, pneumatic triple piece, accurate voltage regulating valve, two position-5 way valves, one-way throttle valve and constitute; The carrier gas cylinder that adds of loading system is the custom-designed low friction cylinder that has guiding and centering to require, unidirectional exhaust shutter is installed, they are connected with two position-5 way valves jointly, and its other end is connected with the accurate voltage regulating valve, is connected with source of the gas by pneumatic triple piece again.
Owing to adopted technical scheme as mentioned above, the utlity model has following good effect:
1, solved in, the contact angle of large-scale angular contact ball bearing measures, and the pairing of bearing is used, load-bearing capacity, rigidity and Life Calculation provide foundation, promote the bearing industry fast development.
2, this instrument is in measuring process, produce slip for fear of steel ball, apply axial load to bearing, axial load will make steel ball and lasso that distortion is arranged slightly, also changed simultaneously the ratio of gear between them, changed contact angle, made the actual contact angle that records be different from the design-calculated contact angle, so the actual contact angle that records is meant the contact angle value under certain load.Both just like this, the contact angle of surveying also has the actual reference significance of particular importance.
3, the height of bearing products performance and precision detects by instrument and judges, whether the bearing detecting instrument is advanced, will directly have influence on reliability and the accuracy that bearing products detects.Along with the continuous development of bearing industry, the requirement of the contact angle of diametrical connection contact bearing improves constantly, and correspondingly Production of bearing producer also increases the demand of bearing contact angle measuring instrument thereupon.
4, the research and development program element of bearing contact angle measuring instrument has good market outlook and social benefit.
Description of drawings:
Fig. 1 is a rolling bearing contact angle measurement system layout.
Fig. 2 is a rolling bearing contact angle measurement loading system pneumatic diagram.
Among the figure: 1, synchronous motor, 2, synchronous band, 3, the bearing mold, 4, loading disc, 5, speed probe, 6, add carrier gas cylinder, 7, cylinder support,, measured bearing, 9, dense ball bearing shafting, 10, source of the gas, 11, pneumatic triple piece, 12, accurate voltage regulating valve, 13, two position-5 way valves, 14, one-way throttle valve.
Embodiment:
Rolling bearing contact angle measurement of the present utility model is a contact angle of measuring bearing according to kinematic principle, we regard the angular contact ball bearing that rotates as a planet gear transmission system under the pure rolling state, it comprises " sun gear " bearing outer ring, " planetary gear " steel ball and " hollow wheel " bearing inner race, their speed is the function of contact angle than changing with the change of contact angle.When bearing outer ring was motionless, bearing inner race rotated and just to have driven the steel ball rotation and around the axial line revolution, and steel ball is the velocity of rotation of retainer around the revolution speed of axial line, and the rotating ratio of retainer and inner ring is the function of contact angle β.
In the formula: D
Pw---the steel ball center circle diameter
D
w---steel ball size.Unit: mm
n
In---in the unit interval, inner ring is around revolution or corner that the center turned over.
n
Protect---in the unit interval, the number of turns or corner that retainer is turned over around the inner ring centre of gyration.
n
Ball---in the unit interval, the number of turns or corner that the rich inner ring centre of gyration in steel ball center was revolved round the sun.
Rolling bearing contact angle measurement of the present utility model mainly is made up of bearing location driving mechanism, loading system, speed probe, electrical equipment and computer data processing system.Its bearing location driving mechanism is made of synchronous motor (1), synchronous band (2), bearing mold (3), dense ball bearing shafting (9); Bearing location driving mechanism is installed on the instrument worktable, and synchronous motor (1) connects dense ball bearing shafting (9) by synchronous cog belt (2), is fixed with bearing positioning clamping fixture (3) on the dense ball bearing shafting (9); Mold (3) top is provided with and adds carrier gas cylinder (6), it is fixed on the cylinder support (7), connect loading disc (4) at the axle head that adds carrier gas cylinder (6), loading disc (4) can be adjusted according to bearing size, go up installation speed probe (5) at loading disc (4), sensor (5) is connected with computer data processing system.
Rolling bearing contact angle measurement of the present utility model, its loading system by loading disc (4), add carrier gas cylinder (6), cylinder support (7), source of the gas (10), pneumatic triple piece (11), accurate voltage regulating valve (12), two position-5 way valves (13), one-way throttle valve (14) and constitute; The carrier gas cylinder (6) that adds of loading system is the custom-designed low friction cylinder that has guiding and centering to require, unidirectional exhaust shutter (14) is installed, they are connected with two position-5 way valves (13) jointly, its other end is connected with accurate voltage regulating valve (12), is connected with source of the gas (10) by pneumatic triple piece (11) again.
When rolling bearing contact angle measurement of the present utility model is worked, at first in computing machine, import bearing steel ball size and steel ball central diameter, determine the size of loaded load then according to bearing designation, and by adding carrier gas cylinder and loading disc applies axial load to measured bearing; Start synchronous motor, synchronous motor drives close pearl main shaft and the rotation of measured bearing inner ring by synchronous cog belt, and the motor synchronous lock detects the angle that bearing inner race turns over to device, and photoelectric sensor is measured the corner of retainer.Computing machine calculates bearing contact angle according to above-mentioned formula.
In measuring process, produce slip for fear of steel ball, must add an axial load.Axial load will make steel ball and lasso that distortion is arranged slightly, also changed simultaneously the ratio of gear between them, changed contact angle, made the actual contact angle that records be different from the design-calculated contact angle, so the actual contact angle that records is meant the contact angle value under certain load.Both just like this, the contact angle of surveying also has the actual reference significance of particular importance.
In addition, the key of electrical measurement control section is the system of photoelectric counter of retainer rotating cycle.The photoelectric technology system is the meter retainer number of turns, its counting correctness will directly have influence on the counting precision of outer ring, and general retainer turns around, and change about 1.6 circles the outer ring, here therefore the effect that also has an error to amplify requires system of photoelectric counter accurately reliable.The designed light path system of this instrument is simple in structure, and good imaging quality has long object distance, and it is convenient to change workpiece.
For making system of photoelectric counter safe and reliable, that photovalve adopts is phototriode 3DU32, and it is the photosignal shaping that the higher circuit of sensitivity adopts CC4093.CC4093 is a Schmidt trigger, and its input impedance is high, can directly be coupled with phototriode, and for the CC4093 slice, thin piece, forward trigger voltage V
1+ minimum value is 2.2V, and maximal value is 3.6V; The little finger of toe of negative sense trigger voltage is 0.9V, and maximal value is 2.8V, for the sensitivity of instrument and get rid of disturbing factor, when regulating divider resistance, often makes M
2Point voltage is about 4.0V in illumination to reflective marker, is about 2V when light leaves reflective marker, so that CC4093 is in effective duty.
Claims (2)
1, a kind of rolling bearing contact angle measurement mainly is made up of bearing location driving mechanism, loading system, speed probe, electrical equipment and computer data processing system; It is characterized in that: bearing location driving mechanism is made of synchronous motor (1), synchronous band (2), bearing mold (3), dense ball bearing shafting (9); Bearing location driving mechanism is installed on the instrument worktable, and synchronous motor (1) connects dense ball bearing shafting (9) by synchronous cog belt (2), is fixed with bearing positioning clamping fixture (3) on the dense ball bearing shafting (9); Mold (3) top is provided with and adds carrier gas cylinder (6), it is fixed on the cylinder support (7), connect loading disc (4) at the axle head that adds carrier gas cylinder (6), loading disc (4) can be adjusted according to bearing size, go up installation speed probe (5) at loading disc (4), sensor (5) is connected with computer data processing system.
2, rolling bearing contact angle measurement according to claim 1 is characterized in that: its loading system by loading disc (4), add carrier gas cylinder (6), cylinder support (7), source of the gas (10), pneumatic triple piece (11), accurate voltage regulating valve (12), two position-5 way valves (13), one-way throttle valve (14) and constitute; The carrier gas cylinder (6) that adds of loading system is the custom-designed low friction cylinder that has guiding and centering to require, unidirectional exhaust shutter (14) is installed, they are connected with two position-5 way valves (13) jointly, its other end is connected with accurate voltage regulating valve (12), is connected with source of the gas (10) by pneumatic triple piece (11) again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620032467 CN200950050Y (en) | 2006-09-11 | 2006-09-11 | Rolling bearing contact angle measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620032467 CN200950050Y (en) | 2006-09-11 | 2006-09-11 | Rolling bearing contact angle measuring apparatus |
Publications (1)
| Publication Number | Publication Date |
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| CN200950050Y true CN200950050Y (en) | 2007-09-19 |
Family
ID=38892591
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|---|---|---|---|
| CN 200620032467 Expired - Lifetime CN200950050Y (en) | 2006-09-11 | 2006-09-11 | Rolling bearing contact angle measuring apparatus |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979956A (en) * | 2010-11-29 | 2011-02-23 | 新昌县双菱汽车轴承有限公司 | Bearing inclination angle measurement instrument and measurement method |
| CN102183231A (en) * | 2011-04-11 | 2011-09-14 | 上海天合汽车安全系统有限公司 | Automobile side air bag contour detector |
| CN102749063A (en) * | 2012-07-31 | 2012-10-24 | 无锡市第二轴承有限公司 | Method and device for measuring contact angle of ball bearing |
| CN103502662A (en) * | 2011-05-04 | 2014-01-08 | Skf公司 | Method and device for determining the contact angle of a rolling element bearing |
| CN104792280A (en) * | 2015-04-21 | 2015-07-22 | 上海大学 | Displacement type bearing contact angle measurement method |
| CN104792279A (en) * | 2015-04-21 | 2015-07-22 | 上海天安轴承有限公司 | Bearing contact angle measuring instrument |
| CN105136097A (en) * | 2015-08-19 | 2015-12-09 | 山东建筑大学 | Determination method of auxiliary elastic deformation contact angle of ballscrew of raceway with different adaptation ratio |
| CN105157620A (en) * | 2015-08-26 | 2015-12-16 | 无锡双益精密机械有限公司 | Contact angle detection machine for angular contact bearing |
| CN105157621A (en) * | 2015-08-26 | 2015-12-16 | 无锡双益精密机械有限公司 | Bearing contact angle detection device |
| CN109387177A (en) * | 2018-11-27 | 2019-02-26 | 洛阳汇普轴承有限公司 | A kind of contact angle measuring method of nonstandard angular contact ball bearing |
| CN110440676A (en) * | 2019-07-31 | 2019-11-12 | 无锡诚石轴承有限公司 | Contact angle measurement |
| CN110906885A (en) * | 2019-12-24 | 2020-03-24 | 洛阳恒锐测控科技有限公司 | High-speed high-precision contact angle measurement method for angular contact bearing |
| CN112474395A (en) * | 2020-12-16 | 2021-03-12 | 大连贝林轴承仪器有限公司 | Manipulator type full-automatic third-generation hub bearing vibration measuring instrument and measuring method |
| CN114235401A (en) * | 2021-11-29 | 2022-03-25 | 洛阳轴承研究所有限公司 | Angular contact ball bearing measuring isolation block and contact angle measuring method |
-
2006
- 2006-09-11 CN CN 200620032467 patent/CN200950050Y/en not_active Expired - Lifetime
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979956A (en) * | 2010-11-29 | 2011-02-23 | 新昌县双菱汽车轴承有限公司 | Bearing inclination angle measurement instrument and measurement method |
| CN101979956B (en) * | 2010-11-29 | 2012-07-04 | 新昌县双菱汽车轴承有限公司 | Bearing inclination angle measurement instrument and measurement method |
| CN102183231A (en) * | 2011-04-11 | 2011-09-14 | 上海天合汽车安全系统有限公司 | Automobile side air bag contour detector |
| CN102183231B (en) * | 2011-04-11 | 2012-12-05 | 上海天合汽车安全系统有限公司 | Automobile side air bag contour detector |
| CN103502662B (en) * | 2011-05-04 | 2017-07-14 | Skf公司 | For the method and apparatus for the contact angle for determining rolling element bearing |
| CN103502662A (en) * | 2011-05-04 | 2014-01-08 | Skf公司 | Method and device for determining the contact angle of a rolling element bearing |
| CN102749063B (en) * | 2012-07-31 | 2015-06-10 | 无锡市第二轴承有限公司 | Method and device for measuring contact angle of ball bearing |
| CN102749063A (en) * | 2012-07-31 | 2012-10-24 | 无锡市第二轴承有限公司 | Method and device for measuring contact angle of ball bearing |
| CN104792279B (en) * | 2015-04-21 | 2017-08-25 | 上海天安轴承有限公司 | Bearing touch angle measuring instrument |
| CN104792279A (en) * | 2015-04-21 | 2015-07-22 | 上海天安轴承有限公司 | Bearing contact angle measuring instrument |
| CN104792280A (en) * | 2015-04-21 | 2015-07-22 | 上海大学 | Displacement type bearing contact angle measurement method |
| CN104792280B (en) * | 2015-04-21 | 2017-08-11 | 上海大学 | Displacement-type bearing touch angle measuring method |
| CN105136097A (en) * | 2015-08-19 | 2015-12-09 | 山东建筑大学 | Determination method of auxiliary elastic deformation contact angle of ballscrew of raceway with different adaptation ratio |
| CN105136097B (en) * | 2015-08-19 | 2017-08-29 | 山东建筑大学 | It is non-to wait the determination method for adapting to the ball screw assembly, resiliency deforming contact angle than raceway |
| CN105157621A (en) * | 2015-08-26 | 2015-12-16 | 无锡双益精密机械有限公司 | Bearing contact angle detection device |
| CN105157620A (en) * | 2015-08-26 | 2015-12-16 | 无锡双益精密机械有限公司 | Contact angle detection machine for angular contact bearing |
| CN105157621B (en) * | 2015-08-26 | 2018-02-09 | 无锡双益精密机械有限公司 | A kind of bearing touch angle detecting device |
| CN105157620B (en) * | 2015-08-26 | 2018-04-03 | 无锡双益精密机械有限公司 | A kind of angular contact bearing contact angle detection machine |
| CN109387177A (en) * | 2018-11-27 | 2019-02-26 | 洛阳汇普轴承有限公司 | A kind of contact angle measuring method of nonstandard angular contact ball bearing |
| CN109387177B (en) * | 2018-11-27 | 2020-08-04 | 洛阳汇普轴承有限公司 | Contact angle measuring method of non-standard angular contact ball bearing |
| CN110440676A (en) * | 2019-07-31 | 2019-11-12 | 无锡诚石轴承有限公司 | Contact angle measurement |
| CN110906885A (en) * | 2019-12-24 | 2020-03-24 | 洛阳恒锐测控科技有限公司 | High-speed high-precision contact angle measurement method for angular contact bearing |
| CN112474395A (en) * | 2020-12-16 | 2021-03-12 | 大连贝林轴承仪器有限公司 | Manipulator type full-automatic third-generation hub bearing vibration measuring instrument and measuring method |
| CN114235401A (en) * | 2021-11-29 | 2022-03-25 | 洛阳轴承研究所有限公司 | Angular contact ball bearing measuring isolation block and contact angle measuring method |
| CN114235401B (en) * | 2021-11-29 | 2023-08-11 | 洛阳轴承研究所有限公司 | Spacer for angular contact ball bearing measurement and contact angle measurement method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070919 |
|
| EXPY | Termination of patent right or utility model |