CN202916094U - Back-to-back paired mounting angular contact ball bearing parameter combined measuring device - Google Patents
Back-to-back paired mounting angular contact ball bearing parameter combined measuring device Download PDFInfo
- Publication number
- CN202916094U CN202916094U CN 201220569730 CN201220569730U CN202916094U CN 202916094 U CN202916094 U CN 202916094U CN 201220569730 CN201220569730 CN 201220569730 CN 201220569730 U CN201220569730 U CN 201220569730U CN 202916094 U CN202916094 U CN 202916094U
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- bearing
- contact ball
- angular contact
- ball bearing
- friction torque
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Abstract
The present utility model provides a back-to-back paired mounting angular contact ball bearing parameter combined measuring device to overcome uncertainty and blindness of manual assembling and checking technology. The device is composed of a pulling and sensing detection mechanism, a transmission and rotation friction torque measuring mechanism and a bearing installation pedestal. The pulling and sensing detection mechanism is connected on a rolling linear guide pair of the bearing installation pedestal through a vertical column, and position is determined by a positioning block, a stroke stop block and a rear stop block; the transmission and rotation friction torque measuring mechanism is arranged on a pedestal of the bearing installation pedestal part through a motor pedestal, and a shaft coupling and a driving rod are adopted to drive a pulling sleeve and a bearing inner ring of the bearing installation pedestal to rotate and measuring rotation friction torque. By adopting the device, under a certain shafting precision and practical lubrication condition, paired mounting angular contact ball bearing pretightening force, relative displacement and rotation friction torque values can be precisely determined.
Description
Technical field
The utility model relates to a kind of measurement mechanism of angular contact ball bearing parameter, is specifically related to the back-to-back measurement mechanism of pretightning force, relative displacement and the pivoting friction torque 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 and pivoting friction torque.
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, 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 the parts damage, affect on the contrary shafting precision and debug the duration with the very big axle system that delays.
The utility model content
The utility model provides a kind of back-to-back mounted in pairs angular contact ball bearing parameter combinations measurement mechanism, to overcome uncertainty and the blindness of existing people's frock gyp skill, to under certain shafting precision and actual lubricating condition under, be specified to accurately the numerical value to established angle contact ball bearing pretightning force, relative displacement and pivoting friction torque, satisfy the technical matters that high precision axle system debugs.
For realizing above utility model purpose, the utility model 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 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;
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 that is 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 all are fixedly connected with executing to help pull a cart, and the top of shaft coupling cooperates with drive link middle part clamping.
Based on above-mentioned basic technical scheme, the utility model 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 utility model, relative displacement, pivoting friction torque combination metering device, under certain shafting precision and under the 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, 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 utility model (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. shaft coupling; 20. non-contact torque sensor; 21. bellows-type shaft coupling; 22. variable-frequency motor; 23. motor cabinet; 24. drive link; 25. lower bearing; 26. inner spacing collar; 27. head bearing; Help pull a cart 28. execute; 29. flange; 30. lower thrust-bearing; 31. up-thrust bearing; 32. trapezoidal nut; 33. set lever; 34. transmission shaft; 35. lock cam; 36. 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 utility model, 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.
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; Transmission and pivoting friction torque measuring mechanism are installed on the base 1 in the bearing mounting seat part by motor cabinet 23, by shaft coupling 19 and drive link 24 with executing in the dynamic bearing mounting seat help pull a cart 28 and bearing inner race rotate, in order to measure pivoting friction torque.
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 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 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 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 utility model:
During measurement, the pair of horns contact bearing is helped pull a cart 28 by executing, encircled in the 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 the lower bearing in the head bearing.Lower bearing 25 outer shrouds are installed on the positioning seat 18, are compressed by dissection type pressing plate 17; Head bearing 27 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.
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 by transmission shaft 34 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 so that on pull on bearing 27 outer shrouds, conduct again to head bearing 27 to lower bearing 25 interior rings, lower bearing 25 outer shrouds are fixing with base 1 by positioning seat 18.So, produce relative displacement at the pulling force lower bearing inner and outer ring of handwheel 9.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.
Under certain pretightning force and bearing lubrication condition, the variable-frequency motor 22 that is installed on the motor cabinet 23 drives bellows-type shaft coupling 21, non-contact torque sensor 20, shaft coupling 19, drive link 24, stirred to execute by drive link 24 and help pull a cart 28 and flange 29, rotate thereby drive bearing inner ring.The variable-frequency motor uniform rotation namely can read out under certain pretightning force and the bearing lubrication condition the back-to-back pivoting friction torque of mounted in pairs angular contact ball bearing 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, unclamp lock cam 35 by transmission shaft 34 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, dismantle successively again each spare part.
Claims (3)
1. mounted in pairs angular contact ball bearing parameter combinations measurement mechanism back-to-back is characterized in that: be comprised of with sensing detection mechanism, transmission and pivoting friction torque measuring mechanism, bearing mounting seat three 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 (25) 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 (27) 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);
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) that is 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 all are fixedly connected with executing help pull a cart (28), and the top of shaft coupling (19) cooperates with drive link (24) middle part clamping.
2. back-to-back mounted in pairs angular contact ball bearing 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 (28) 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 parameter combinations measurement mechanism according to claim 1 is characterized in that: the transmission shaft (34) and the lock cam (35) 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 |
|---|---|---|---|
| CN 201220569730 CN202916094U (en) | 2012-10-31 | 2012-10-31 | Back-to-back paired mounting angular contact ball bearing parameter combined measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220569730 CN202916094U (en) | 2012-10-31 | 2012-10-31 | Back-to-back paired mounting angular contact ball bearing parameter combined measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202916094U true CN202916094U (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220569730 Withdrawn - After Issue CN202916094U (en) | 2012-10-31 | 2012-10-31 | Back-to-back paired mounting angular contact ball bearing parameter combined measuring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202916094U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928226A (en) * | 2012-10-31 | 2013-02-13 | 中国科学院西安光学精密机械研究所 | Back-to-back paired mounting angular contact ball bearing parameter combination measuring device |
| CN108344574A (en) * | 2018-04-28 | 2018-07-31 | 湖南科技大学 | A kind of Wind turbines Method for Bearing Fault Diagnosis for combining adaptation network based on depth |
| CN110479642A (en) * | 2019-09-18 | 2019-11-22 | 常州光洋轴承股份有限公司 | Full-automatic linear bearing lacks piano plate machine and its detection method |
-
2012
- 2012-10-31 CN CN 201220569730 patent/CN202916094U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928226A (en) * | 2012-10-31 | 2013-02-13 | 中国科学院西安光学精密机械研究所 | Back-to-back paired mounting angular contact ball bearing parameter combination measuring device |
| CN102928226B (en) * | 2012-10-31 | 2014-10-15 | 中国科学院西安光学精密机械研究所 | Back-to-back paired mounting angular contact ball bearing parameter combination measuring device |
| CN108344574A (en) * | 2018-04-28 | 2018-07-31 | 湖南科技大学 | A kind of Wind turbines Method for Bearing Fault Diagnosis for combining adaptation network based on depth |
| CN110479642A (en) * | 2019-09-18 | 2019-11-22 | 常州光洋轴承股份有限公司 | Full-automatic linear bearing lacks piano plate machine and its detection method |
| CN110479642B (en) * | 2019-09-18 | 2024-01-16 | 常州光洋轴承股份有限公司 | Full-automatic linear bearing steel ball missing detector and detection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130501 Effective date of abandoning: 20141015 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130501 Effective date of abandoning: 20141015 |
|
| RGAV | Abandon patent right to avoid regrant |