CN102928226B - Back-to-back paired installation angular contact ball bearing parameter combination measuring device - Google Patents
Back-to-back paired installation angular contact ball bearing parameter combination measuring device Download PDFInfo
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- CN102928226B CN102928226B CN201210429598.7A CN201210429598A CN102928226B CN 102928226 B CN102928226 B CN 102928226B CN 201210429598 A CN201210429598 A CN 201210429598A CN 102928226 B CN102928226 B CN 102928226B
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- 238000009434 installation Methods 0.000 title abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000005096 rolling process Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 claims abstract description 12
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 238000002224 dissection Methods 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 6
- 230000003044 adaptive effect Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 6
- 201000004569 Blindness Diseases 0.000 abstract description 3
- 230000001050 lubricating effect Effects 0.000 abstract description 3
- 101100441413 Caenorhabditis elegans cup-15 gene Proteins 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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Abstract
The invention provides a parameter combination measuring device for back-to-back paired installation of angular contact ball bearings, which aims to overcome the uncertainty and blindness of the existing manual assembly and calibration process. The device consists of a pulling and sensing detection mechanism, a transmission and rotation friction torque measurement mechanism and a bearing installation base. The pulling and sensing detection mechanism is connected and installed on a rolling linear guide rail pair of the bearing installation base through an upright post, and the position of the pulling and sensing detection mechanism is determined by a positioning block, a stroke limiting block and a rear limiting block; the transmission and rotation friction torque measuring mechanism is arranged on a base in the bearing installation base part through a motor base, and drives a tension sleeve and a bearing inner ring in the bearing installation base to rotate through a coupler and a transmission rod so as to measure rotation friction torque. By adopting the method, under certain shafting precision and actual lubricating conditions, the numerical values of the pre-tightening force, the relative displacement and the rotational friction torque of the paired angular contact ball bearings can be accurately determined.
Description
Technical field
The present invention relates to a kind of measurement mechanism of angular contact ball bearing parameter, be specifically related to the measurement mechanism of pretightning force, relative displacement and the pivoting friction torque of mounted in pairs angular contact ball bearing back-to-back.
Background technology
The dress of precision bearing system compared with process in, the installation of angular contact ball bearing is most important in pairs, is the major influence factors of whole shafting precision.The classical mounting means of angular contact ball bearing can be divided into face-to-face mounted in pairs and the large class of back-to-back mounted in pairs two in pairs.
Mounted in pairs angular contact ball bearing pretightning force, both relations of relative displacement are: bearing pre-fastening is larger, and relative displacement is larger, and now pivoting friction torque also can be larger, and shafting precision is higher simultaneously, and vice versa.But moment of friction will be brought difficulty to servocontrol too greatly, can affect conversely the control accuracy that whole axle is.
So, in the process of the dress school of precision bearing system, need to, according to the requirement of shafting precision, to bearing pre-fastening, relative displacement and pivoting friction torque, be optimized coupling.
In traditional precision bearing system dress school process, just with operating personnel's experience, determine relative displacement, thereby then under this relative displacement, because reaching, bearing pre-fastening, pivoting friction torque, shafting precision thrin do not require to cause repeatedly doing over again of the work of debuging, and finally in unloading process is done over again by axle system, easily cause parts damage, affect on the contrary shafting precision and greatly delay axle system and debug the duration.
Summary of the invention
The invention provides a kind of angular contact ball bearing of mounted in pairs back-to-back parameter combinations measurement mechanism, to overcome uncertainty and the blindness of existing people's frock gyp skill, to under certain shafting precision and under actual lubricating condition, be specified to accurately the numerical value to established angle contact ball bearing pretightning force, relative displacement and pivoting friction torque, meet the technical matters that high precision axle system debugs.
For realizing above goal of the invention, the present invention proposes following solution.
Mounted in pairs angular contact ball bearing parameter combinations measurement mechanism, is comprised of with sensing detection mechanism, transmission and pivoting friction torque measuring mechanism, bearing mounting seat three parts Shi La back-to-back;
Described bearing mounting seat comprises base and is positioned at positioning seat, dissection type pressing plate, bearing inner ring pulling assembly, dissection type arm-tie and the head bearing cup that base top sets gradually; Described bearing inner ring pulling assembly in the vertical direction tightens up fixing to ring in ring and lower bearing in the head bearing of paired angular contact ball bearing to be measured; Lower bearing outer shroud is fixedly installed on base by described positioning seat, and is compressed by the dissection type pressing plate that is positioned at lower bearing upper end; Head bearing is arranged in head bearing cup, and is strained by head bearing cup and the described dissection type arm-tie acting in conjunction that is positioned at head bearing lower end; The outside that is positioned at positioning seat is provided with linear rolling guide on base, near linear rolling guide two ends, is fixedly installed respectively locating piece and rear limited block on base, is socketed with adaptive stroke limit piece on linear rolling guide;
Described Shi Layu sensing detection mechanism comprises handwheel, handwheel erecting frame, web joint, dish type tension-compression sensor, blind rivet and the pulling plate setting gradually from top to bottom, and pulling plate is fixedly connected with the described head bearing cup that is positioned at its lower end; Handwheel erecting frame one side be fixedly installed with described web joint slide adaptive, in order to the guidepost of guiding on vertically; Arranged outside and the column that described handwheel erecting frame, guidepost are fixedly connected with at guidepost are provided with the grating scale parallel with described guidepost on column; The bottom of column is fixedly connected with stroke limit piece with linear rolling guide;
Described transmission and pivoting friction torque measuring mechanism comprise variable-frequency motor, bellows-type shaft coupling, non-contact torque sensor, shaft coupling and the drive link being in transmission connection successively from bottom to top, wherein variable-frequency motor and non-contact torque sensor are fixed by motor cabinet and base, the two ends of drive link are all fixedly connected with executing to help pull a cart, and the top of shaft coupling coordinates with drive link middle part clamping.
Based on above-mentioned basic technical scheme, the present invention also has following optimization to limit and improve:
Above-mentioned bearing inner ring pulling assembly comprises inner spacing collar, flange and executes and help pull a cart, inner spacing collar between upper and lower bearing, flange with execute the in the vertical direction of helping pull a cart to encircling whole tightening in ring and lower bearing in head bearing.
Between the bottom of column and stroke limit piece, be provided with to lock transmission shaft and the lock cam of column.
Adopt the angular contact ball bearing of mounted in pairs back-to-back pretightning force of the present invention, relative displacement, pivoting friction torque combination metering device, under certain shafting precision and under actual lubricating condition, can be specified to accurately the numerical value to established angle contact ball bearing pretightning force, relative displacement and pivoting friction torque, the dress school of precision bearing system is provided to accurate, quantitative adjustment standard, overcome uncertainty and the blindness of existing people's frock gyp skill.
This measurement mechanism is also applicable to the measurement of the bearing of different size, only need to be according to the corresponding change head bearing of the specification of bearing cup, positioning seat, execute help pull a cart, the specification of inner spacing collar, flange.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention (external overall);
Fig. 2 is the cross-sectional schematic of the left view of Fig. 1;
Fig. 3 be Fig. 1 central post and bearing mounting seat coupling part A to cut-open view.
Fig. 4 be Fig. 3 B to cut-open view.
Drawing reference numeral explanation:
1. base; 2. rear limited block; 3. linear rolling guide; 4. locating piece; 5. stroke limit piece; 6. column; 7. grating scale; 8. guidepost; 9. handwheel; 10. trapezoidal screw; 11. web joints; 12. dish type tension-compression sensors; 13. blind rivets; 14. pulling plates; 15. head bearing cups; 16. dissection type arm-ties; 17. dissection type pressing plates; 18. positioning seats; 19. shaft couplings; 20. non-contact torque sensors; 21. bellows-type shaft couplings; 22. variable-frequency motors; 23. motor cabinets; 24. drive links; 25. lower bearings; 26. inner spacing collars; 27. head bearings; 28. execute and help pull a cart; 29. flanges; 30. lower thrust-bearings; 31. up-thrust bearings; 32. trapezoidal nuts; 33. set levers; 34. transmission shafts; 35. lock cams; 36. flat keys.
Embodiment
As Figure 1-Figure 4, the angular contact ball bearing of mounted in pairs back-to-back pretightning force of the present invention, relative displacement, pivoting friction torque combination metering device are comprised of Shi La and sensing detection mechanism, bearing mounting seat, transmission and pivoting friction torque measuring mechanism three parts from top to bottom.
Shi Layu sensing detection mechanism is mounted on the linear rolling guide 3 of bearing mounting seat by column 6, can move along linear rolling guide, by locating piece 4 and stroke limit piece 5, rear limited block 2, determine its position, to adapt to the bearing measuring of different size; Transmission and pivoting friction torque measuring mechanism are arranged on the base 1 in bearing mounting seat part by motor cabinet 23, by shaft coupling 19 and drive link 24 with executing in dynamic bearing mounting seat help pull a cart 28 and bearing inner race rotate, in order to measure pivoting friction torque.
The main spare part that Shi Layu sensing detection mechanism comprises has: column 6, grating scale 7, guidepost 8, handwheel 9, trapezoidal screw 10, trapezoidal nut 32, up-thrust bearing 31, web joint 11, lower thrust-bearing 30, dish type tension-compression sensor 12, blind rivet 13, pulling plate 14, locking handwheel 33, transmission shaft 34, lock cam 35.
The main spare part that bearing mounting seat comprises has: base 1, linear rolling guide 3, rear limited block 2, locating piece 4, stroke limit piece 5, positioning seat 18, dissection type pressing plate 17, inner spacing collar 26, execute help pull a cart 28, flange 29, dissection type arm-tie 16, head bearing cup 15.
The main spare part that transmission and pivoting friction torque measuring mechanism comprise has: motor cabinet 23, variable-frequency motor 22, bellows-type shaft coupling 21, non-contact torque sensor 20, shaft coupling 19, drive link 24.
Principle of work of the present invention:
During measurement, pair of horns contact bearing is helped pull a cart to 28 by executing, encircled in inner spacing collar 26, flange 29 solid bearings; Be inner spacing collar 26 between upper and lower bearing, flange 29 with execute 28 in the vertical directions of helping pull a cart to encircling whole tightening in ring and lower bearing in head bearing.Lower bearing 25 outer shrouds are arranged on positioning seat 18, by dissection type pressing plate 17, are compressed; Head bearing 27 is arranged in head bearing cup 15, by dissection type arm-tie 16, is compressed; Positioning seat 18 is arranged on base 1.
Shi La and relative displacement measure portion are pushed into the position of being determined by locating piece 4 along linear rolling guide 3, rotation lock handwheel 33, drives lock cam 35 that Shi La and sensing detection mechanism are fixed on linear rolling guide 3 by transmission shaft 34.Head bearing cup 15 is connected with the pulling plate 14 in sensing detection mechanism with Shi La.Rotation hand wheel 9, drive web joint 11 to move up along guidepost 8, pull successively dish type tension-compression sensor 12, blind rivet 13, pulling plate 14 so that on pull on bearing 27 outer shrouds, then conduct to head bearing 27 to the interior ring of lower bearing 25, lower bearing 25 outer shrouds are fixing with base 1 by positioning seat 18.So, at the pulling force lower bearing inner and outer ring of handwheel 9, produce relative displacement.By dish type tension-compression sensor 12, can read by handwheel 9 and be applied to the pretightning force on the angular contact ball bearing of mounted in pairs back-to-back, by grating scale 7, can read the relative displacement that the angular contact ball bearing inner and outer ring of mounted in pairs produces back-to-back, thereby determine the relation between pretightning force and relative displacement, instruct precision bearing system dress school.
Under certain pretightning force and bearing lubrication condition, the variable-frequency motor 22 being arranged on motor cabinet 23 drives bellows-type shaft coupling 21, non-contact torque sensor 20, shaft coupling 19, drive link 24, by drive link 24, stirred to execute and help pull a cart 28 and flange 29, thereby drive bearing inner ring to rotate.Variable-frequency motor uniform rotation, can read out under certain pretightning force and bearing lubrication condition the pivoting friction torque of mounted in pairs angular contact ball bearing back-to-back by non-contact torque sensor 20.
Measure complete, unclamp being connected of pulling plate 14 and head bearing cup 15, counter-rotation locking handwheel 33, by transmission shaft 34, drive and unclamp lock cam 35, Shi La and sensing detection mechanism and linear rolling guide 3 are unclamped, along linear rolling guide, push Shi La and sensing detection mechanism open, then dismantle successively each spare part.
Claims (3)
1. mounted in pairs angular contact ball bearing parameter combinations measurement mechanism back-to-back, is characterized in that: Shi La, consist of with sensing detection mechanism, transmission and pivoting friction torque measuring mechanism, bearing mounting seat three parts;
Described bearing mounting seat comprises base (1) and is positioned at positioning seat (18), dissection type pressing plate (17), bearing inner ring pulling assembly, dissection type arm-tie (16) and the head bearing cup (15) that base top sets gradually; Described bearing inner ring pulling assembly in the vertical direction tightens up fixing to ring in ring and lower bearing in the head bearing of paired angular contact ball bearing to be measured; It is upper that lower bearing (25) outer shroud is fixedly installed in base (1) by described positioning seat (18), and compressed by the dissection type pressing plate (17) that is positioned at lower bearing upper end; Head bearing (27) is arranged in head bearing cup (15), and by head bearing cup (15) be positioned at described dissection type arm-tie (16) the acting in conjunction tension of head bearing lower end; The outside that is positioned at positioning seat (18) is provided with linear rolling guide (3) on base (1), near linear rolling guide (3) two ends, on base, be fixedly installed respectively locating piece (4) and rear limited block (2), on linear rolling guide (3), be socketed with adaptive stroke limit piece (5);
Described Shi Layu sensing detection mechanism comprises handwheel (9), handwheel erecting frame, web joint (11), dish type tension-compression sensor (12), blind rivet (13) and the pulling plate (14) setting gradually from top to bottom, and pulling plate (14) is fixedly connected with the described head bearing cup (15) that is positioned at its lower end; In handwheel erecting frame one side, be fixedly installed guidepost (8) adaptive with described web joint (11) slip, in order to vertically above to lead; The column (6) being fixedly connected with described handwheel erecting frame, guidepost (8) in the arranged outside of guidepost is provided with the grating scale (7) parallel with described guidepost (8) on column (6); The bottom of column (6) is fixedly connected with stroke limit piece (5) with linear rolling guide (3);
Described transmission and pivoting friction torque measuring mechanism comprise variable-frequency motor (22), bellows-type shaft coupling (21), non-contact torque sensor (20), shaft coupling (19) and the drive link (24) being in transmission connection successively from bottom to top, wherein variable-frequency motor (22) and non-contact torque sensor (20) are fixing by motor cabinet (23) and base (1), the two ends of drive link are all fixedly connected with executing help pull a cart (28), and the top of shaft coupling (19) coordinates with drive link (24) middle part clamping.
2. the angular contact ball bearing of mounted in pairs back-to-back parameter combinations measurement mechanism according to claim 1, it is characterized in that: described bearing inner ring pulling assembly comprises inner spacing collar (26), flange (29) and executes help pull a cart (28), inner spacing collar (26) between upper and lower bearing, flange (29) with execute help pull a cart (28) in the vertical direction in head bearing ring and lower bearing in encircle whole tightening.
3. the angular contact ball bearing of mounted in pairs back-to-back parameter combinations measurement mechanism according to claim 1, is characterized in that: the transmission shaft (34) and the lock cam (35) that between the bottom of column (6) and stroke limit piece (5), are provided with to lock column.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210429598.7A CN102928226B (en) | 2012-10-31 | 2012-10-31 | Back-to-back paired installation angular contact ball bearing parameter combination measuring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210429598.7A CN102928226B (en) | 2012-10-31 | 2012-10-31 | Back-to-back paired installation angular contact ball bearing parameter combination measuring device |
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| CN102928226A CN102928226A (en) | 2013-02-13 |
| CN102928226B true CN102928226B (en) | 2014-10-15 |
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| CN201210429598.7A Expired - Fee Related CN102928226B (en) | 2012-10-31 | 2012-10-31 | Back-to-back paired installation angular contact ball bearing parameter combination measuring device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043628B (en) * | 2015-08-21 | 2017-07-07 | 洛阳理工学院 | A kind of contact force distribution detecting device of rolling bearing roller |
| CN107014617B (en) * | 2017-06-19 | 2023-04-18 | 沈阳飞机工业（集团）有限公司 | Detection clamp for assembling outer ring grooved self-lubricating bearing |
| CN109883698B (en) * | 2017-12-05 | 2020-12-04 | 洛阳轴承研究所有限公司 | Method and device for measuring pre-tightening force of control moment gyro shafting and adjusting method |
| CN111024394B (en) * | 2019-12-20 | 2021-07-27 | 东方电气集团东方汽轮机有限公司 | Spherical torsional moment measuring device under thrust bearing working state |
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| CN201293714Y (en) * | 2008-12-08 | 2009-08-19 | 南京工业大学 | Wind power turntable bearing comprehensive performance experiment table |
| CN102435367A (en) * | 2011-09-21 | 2012-05-02 | 哈尔滨工业大学 | Device for testing pre-tightening force of matched bearings |
| CN202470974U (en) * | 2012-03-26 | 2012-10-03 | 中山火炬职业技术学院 | Device for measuring the axial distance between back-to-back mounted bearings |
| CN202916094U (en) * | 2012-10-31 | 2013-05-01 | 中国科学院西安光学精密机械研究所 | Back-to-back paired installation angular contact ball bearing parameter combination measuring device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2874388B2 (en) * | 1991-06-13 | 1999-03-24 | 松下電器産業株式会社 | Preload measurement method for rolling ball bearings |
| JPH0560657A (en) * | 1991-09-02 | 1993-03-12 | Nippon Seiko Kk | Apparatus for measuring pitch of outer ring races of double row ball bearing |
| JP5233509B2 (en) * | 2008-08-27 | 2013-07-10 | 日本精工株式会社 | Load measuring device for rolling bearing units |
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2012
- 2012-10-31 CN CN201210429598.7A patent/CN102928226B/en not_active Expired - Fee Related
Patent Citations (4)
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|---|---|---|---|---|
| CN201293714Y (en) * | 2008-12-08 | 2009-08-19 | 南京工业大学 | Wind power turntable bearing comprehensive performance experiment table |
| CN102435367A (en) * | 2011-09-21 | 2012-05-02 | 哈尔滨工业大学 | Device for testing pre-tightening force of matched bearings |
| CN202470974U (en) * | 2012-03-26 | 2012-10-03 | 中山火炬职业技术学院 | Device for measuring the axial distance between back-to-back mounted bearings |
| CN202916094U (en) * | 2012-10-31 | 2013-05-01 | 中国科学院西安光学精密机械研究所 | Back-to-back paired installation angular contact ball bearing parameter combination measuring device |
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