CN102928227A - Device for measuring pre-tightening force and relative displacement of back-to-back paired mounting of angular contact ball bearings - Google Patents
Device for measuring pre-tightening force and relative displacement of back-to-back paired mounting of angular contact ball bearings Download PDFInfo
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- CN102928227A CN102928227A CN2012104296000A CN201210429600A CN102928227A CN 102928227 A CN102928227 A CN 102928227A CN 2012104296000 A CN2012104296000 A CN 2012104296000A CN 201210429600 A CN201210429600 A CN 201210429600A CN 102928227 A CN102928227 A CN 102928227A
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Abstract
The invention provides a device for measuring the pre-tightening force and relative displacement of back-to-back paired mounting of angular contact ball bearings so as to overcome the uncertainty and blindness of the existing manual mounting and calibration technology. The device consists of a pulling and sensing detection mechanism and a bearing mounting base, wherein the bearing mounting base comprises a base and a positioning base, a split pressure plate, a bearing inner ring tensioning component, a split pull plate and an upper bearing cup sequentially arranged above the base; the pulling and sensing detection mechanism comprises a hand wheel, a hand wheel mounting frame, a connecting plate, a disc-shaped pulling/pressing sensor, a pull bolt and a pull disc sequentially arranged from top to bottom; and the pull disc is fixedly connected with the upper bearing cup at the lower end of the pull disc. The device provided by the invention can accurately determine the value of the pre-tightening force and relative displacement of back-to-back paired mounting of angular contact ball bearings under certain axis train precision, and provides accurate and quantitative calibration standards for the mounting and calibration of a high precision axis.
Description
Technical field
The present invention relates to a kind of pretightning force and relative displacement measurement mechanism of angular contact ball bearing, be specifically related to back-to-back pretightning force and the relative displacement measurement mechanism of mounted in pairs angular contact ball bearing.
Background technology
The dress of precision bearing system than 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 back-to-back mounted in pairs two large classes in pairs.
Mounted in pairs angular contact ball bearing pretightning force, both relations of relative displacement are: bearing pre-fastening is larger, and then relative displacement is larger, and this moment, 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, be optimized coupling to bearing pre-fastening, relative displacement.
Just determine relative displacement with operating personnel's experience in traditional precision bearing system dress school process, thereby then under this relative displacement, owing to reaching, bearing pre-fastening, shafting precision 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 the parts damage, affect on the contrary shafting precision and debug the duration with the very big axle system that delays.
Summary of the invention
The invention provides a kind of back-to-back mounted in pairs angular contact ball bearing pretightning force and relative displacement measurement mechanism, to overcome uncertainty and the blindness of existing people's frock gyp skill, to under certain shafting precision, be specified to accurately the numerical value to established angle contact ball bearing pretightning force and relative displacement, satisfy 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 pretightning force and relative displacement measurement mechanism are comprised of with sensing detection mechanism, bearing mounting seat two 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 the base top sets gradually; Described bearing inner ring pulling assembly in the vertical direction tightens up fixing to ring in ring and the lower bearing in the head bearing of paired angular contact ball bearing to be measured; The lower bearing outer shroud is fixedly installed on the base by described positioning seat, and is compressed by the dissection type pressing plate that is positioned at the lower bearing upper end; Head bearing is installed in the head bearing cup, and by head bearing cup and the described dissection type arm-tie acting in conjunction tension that is positioned at the head bearing lower end; The outside that is positioned at positioning seat is equipped with linear rolling guide at base, is fixedly installed respectively locating piece and rear limited block near the linear rolling guide two ends on base, is socketed with adaptive stroke limit piece at linear rolling guide;
Described execute to draw with sensing detection mechanism comprise handwheel, handwheel erecting frame, web joint, dish type tension-compression sensor, blind rivet and the pulling plate that sets gradually from top to bottom, pulling plate is fixedly connected with the described head bearing cup that is positioned at its lower end; Be fixedly installed guidepost adaptive with described web joint slip, in order to vertically to lead in handwheel erecting frame one side; Column the arranged outside of guidepost is fixedly connected with described handwheel erecting frame, guidepost is provided with the grating scale parallel with described guidepost at column; The bottom of column is fixedly connected with the stroke limit piece with linear rolling guide.
Based on above-mentioned basic technical scheme, the present invention also has following optimization to limit and improves:
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 the lower bearing in the 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 back-to-back mounted in pairs angular contact ball bearing pretightning force of the present invention and relative displacement measurement mechanism, under certain shafting precision, can be specified to accurately the numerical value to established angle contact ball bearing pretightning force and relative displacement, dress school to precision bearing system provides accurate, quantitative adjustment standard, has overcome uncertainty and the blindness of existing people's frock gyp skill.
This measurement mechanism also is applicable to the measurement of the bearing of different size, only need to be according to the specification of bearing corresponding change head bearing cup, positioning seat, execute help pull a cart, the specification of inner spacing collar, flange gets final product.
Description of drawings
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.
The 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 joint; 12. dish type tension-compression sensor; 13. blind rivet; 14. pulling plate; 15. head bearing cup; 16. dissection type arm-tie; 17. dissection type pressing plate; 18. positioning seat; 19. lower bearing; 20. inner spacing collar; 21. head bearing; Help pull a cart 22. execute; 23. flange; 24. lower thrust-bearing; 25. up-thrust bearing; 26. trapezoidal nut; 27. set lever; 28. transmission shaft; 29. lock cam; 30. flat key.
Embodiment
Such as Fig. 1-shown in Figure 4, back-to-back mounted in pairs angular contact ball bearing pretightning force of the present invention and relative displacement measurement mechanism are comprised of with sensing detection mechanism, bearing mounting seat two parts Shi La.
Executing to draw is mounted on the linear rolling guide 3 of bearing mounting seat with sensing detection mechanism by column 6, can move along linear rolling guide, determine its position by locating piece 4 and stroke limit piece 5, rear limited block 2, to adapt to the bearing measuring of different size.
Execute and draw the main spare part that comprises with sensing detection mechanism to have: column 6, grating scale 7, guidepost 8, handwheel 9, trapezoidal screw 10, trapezoidal nut 26, up-thrust bearing 25, web joint 11, lower thrust-bearing 24, dish type tension-compression sensor 12, blind rivet 13, pulling plate 14, locking handwheel 27, transmission shaft 28, lock cam 29.
The main spare part that the 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 20, execute help pull a cart 22, flange 23, dissection type arm-tie 16, head bearing cup 15.
Principle of work of the present invention:
During measurement, as shown in Figure 2, the pair of horns contact bearing is helped pull a cart 22 by executing, encircled in the inner spacing collar 20, flange 23 solid bearings; Be inner spacing collar 20 between upper and lower bearing, flange 23 with execute 22 in the vertical directions of helping pull a cart to encircling whole tightening in ring and the lower bearing in the head bearing.Lower bearing 19 outer shrouds are installed on the positioning seat 18, are compressed by dissection type pressing plate 17; Head bearing 21 is installed in the head bearing cup 15, is compressed by dissection type arm-tie 16; Positioning seat 18 is installed on the base 1.
As shown in Figure 1, Shi La and sensing detection mechanism are pushed into the position of being determined by locating piece 4 along linear rolling guide 3, rotation lock handwheel 27 drives lock cam 29 by transmission shaft 28 Shi La and sensing detection mechanism is fixed on the linear rolling guide 3.Head bearing cup 15 and Shi La are connected with pulling plate 14 in the sensing detection mechanism.Rotation hand wheel 9, driving web joint 11 moves up along guidepost 8, spur successively dish type tension-compression sensor 12, blind rivet 13, pulling plate 14, and on pull on bearing 21 outer shrouds, conduct again to head bearing 21 to lower bearing 19 interior rings, lower bearing 19 outer shrouds are fixing with base 1 by positioning seat 18.So, produce pulling force lower bearing inner and outer ring upwards at handwheel 9 and produce relative displacement.Namely can be read by handwheel 9 by dish type tension-compression sensor 12 and to be applied to pretightning force on the angular contact ball bearing of mounted in pairs back-to-back, namely can read the back-to-back relative displacement of the angular contact ball bearing inner and outer ring generation of mounted in pairs by grating scale 7, thereby determine the relation between pretightning force and the relative displacement, instruct precision bearing system dress school.
Measure complete, unclamp being connected of pulling plate 14 and head bearing cup 15, counter-rotation locking handwheel 27, unclamp lock cam 29 by transmission shaft 28 drives, Shi La and sensing detection mechanism and linear rolling guide 3 are unclamped, push Shi La and sensing detection mechanism open along linear rolling guide 3, dismantle successively again each spare part.
Claims (3)
1. back-to-back mounted in pairs angular contact ball bearing pretightning force and relative displacement measurement mechanism is characterized in that: be comprised of with sensing detection mechanism, bearing mounting seat two parts Shi La;
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 the base top sets gradually; Described bearing inner ring pulling assembly in the vertical direction tightens up fixing to ring in ring and the lower bearing in the head bearing of paired angular contact ball bearing to be measured; Lower bearing (19) outer shroud is fixedly installed on the base (1) by described positioning seat (18), and is compressed by the dissection type pressing plate (17) that is positioned at the lower bearing upper end; Head bearing (21) is installed in the 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 equipped with linear rolling guide (3) at base (1), on base, be fixedly installed respectively locating piece (4) and rear limited block (2) near linear rolling guide (3) two ends, be socketed with adaptive stroke limit piece (5) at linear rolling guide (3);
Described execute to draw with sensing detection mechanism comprise handwheel (9), handwheel erecting frame, web joint (11), dish type tension-compression sensor (12), blind rivet (13) and the pulling plate (14) that sets gradually from top to bottom, pulling plate (14) is fixedly connected with the described head bearing cup (15) that is positioned at its lower end; Be fixedly installed guidepost (8) adaptive with described web joint (11) slip, in order to vertically to lead in handwheel erecting frame one side; Column (6) the arranged outside of guidepost is fixedly connected with described handwheel erecting frame, guidepost (8) is provided with the grating scale (7) parallel with described guidepost (8) at column (6); The bottom of column (6) is fixedly connected with stroke limit piece (5) with linear rolling guide (3).
2. back-to-back mounted in pairs angular contact ball bearing pretightning force according to claim 1 and relative displacement measurement mechanism, it is characterized in that: described bearing inner ring pulling assembly comprises inner spacing collar (20), flange (23) and executes help pull a cart (22), inner spacing collar (20) between upper and lower bearing, flange (23) with execute (22) in the vertical direction of helping pull a cart to encircling whole tightening in ring and the lower bearing in the head bearing.
3. back-to-back mounted in pairs angular contact ball bearing pretightning force according to claim 2 and relative displacement measurement mechanism is characterized in that: the transmission shaft (28) and the lock cam (29) that are provided with to lock column between the bottom of column (6) and stroke limit piece (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210429600.0A CN102928227B (en) | 2012-10-31 | 2012-10-31 | Device for measuring pre-tightening force and relative displacement of back-to-back paired mounting of angular contact ball bearings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210429600.0A CN102928227B (en) | 2012-10-31 | 2012-10-31 | Device for measuring pre-tightening force and relative displacement of back-to-back paired mounting of angular contact ball bearings |
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| Publication Number | Publication Date |
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| CN102928227A true CN102928227A (en) | 2013-02-13 |
| CN102928227B CN102928227B (en) | 2015-01-07 |
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| CN201210429600.0A Expired - Fee Related CN102928227B (en) | 2012-10-31 | 2012-10-31 | Device for measuring pre-tightening force and relative displacement of back-to-back paired mounting of angular contact ball bearings |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105798837A (en) * | 2014-12-30 | 2016-07-27 | 国核电站运行服务技术有限公司 | Pretightening tool and pretightening method of joint bearing for pressure container checking manipulator of nuclear power plant |
| CN108827633A (en) * | 2018-04-25 | 2018-11-16 | 重庆大学 | Match rolling bearing intelligent regulator device |
| CN109883698A (en) * | 2017-12-05 | 2019-06-14 | 洛阳轴承研究所有限公司 | Control-moment gyro shafting pre-tightens force measuring method, method of adjustment and measuring device |
| CN110159661A (en) * | 2019-04-16 | 2019-08-23 | 深圳市速腾聚创科技有限公司 | The bearing pre-tightening structure of mechanical laser radar |
| CN112146877A (en) * | 2020-09-29 | 2020-12-29 | 中国航发动力股份有限公司 | Angular contact ball bearing pre-tightening spacer ring measuring device and using method thereof |
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| JPH04366014A (en) * | 1991-06-13 | 1992-12-17 | Matsushita Electric Ind Co Ltd | Pre-load measuring method for rolling ball bearing |
| CN201293714Y (en) * | 2008-12-08 | 2009-08-19 | 南京工业大学 | Combination property experimental bench for wind-powered swivel plate bearings |
| JP2010054256A (en) * | 2008-08-27 | 2010-03-11 | Nsk Ltd | Load measuring device for rolling bearing unit |
| 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 |
| CN202886102U (en) * | 2012-10-31 | 2013-04-17 | 中国科学院西安光学精密机械研究所 | Pre-tightening force and relative displacement measurement device of back-to-back paired mounting angular contact ball bearing |
-
2012
- 2012-10-31 CN CN201210429600.0A patent/CN102928227B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04366014A (en) * | 1991-06-13 | 1992-12-17 | Matsushita Electric Ind Co Ltd | Pre-load measuring method for rolling ball bearing |
| JP2010054256A (en) * | 2008-08-27 | 2010-03-11 | Nsk Ltd | Load measuring device for rolling bearing unit |
| CN201293714Y (en) * | 2008-12-08 | 2009-08-19 | 南京工业大学 | Combination property experimental bench for wind-powered swivel plate bearings |
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| 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 |
| CN202886102U (en) * | 2012-10-31 | 2013-04-17 | 中国科学院西安光学精密机械研究所 | Pre-tightening force and relative displacement measurement device of back-to-back paired mounting angular contact ball bearing |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105798837A (en) * | 2014-12-30 | 2016-07-27 | 国核电站运行服务技术有限公司 | Pretightening tool and pretightening method of joint bearing for pressure container checking manipulator of nuclear power plant |
| CN105798837B (en) * | 2014-12-30 | 2018-01-02 | 国核电站运行服务技术有限公司 | Nuclear plant pressure vessels check the pre-tightening tool and pre-tension method of oscillating bearing used in manipulator |
| CN109883698A (en) * | 2017-12-05 | 2019-06-14 | 洛阳轴承研究所有限公司 | Control-moment gyro shafting pre-tightens force measuring method, method of adjustment and measuring device |
| 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 |
| CN108827633A (en) * | 2018-04-25 | 2018-11-16 | 重庆大学 | Match rolling bearing intelligent regulator device |
| CN108827633B (en) * | 2018-04-25 | 2020-03-31 | 重庆大学 | Intelligent debugging device for paired rolling bearings |
| CN110159661A (en) * | 2019-04-16 | 2019-08-23 | 深圳市速腾聚创科技有限公司 | The bearing pre-tightening structure of mechanical laser radar |
| CN112146877A (en) * | 2020-09-29 | 2020-12-29 | 中国航发动力股份有限公司 | Angular contact ball bearing pre-tightening spacer ring measuring device and using method thereof |
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| CN102928227B (en) | 2015-01-07 |
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