CN103206921B - A kind of method by the axially projecting amount of laser beam detection angular contact ball bearing - Google Patents
A kind of method by the axially projecting amount of laser beam detection angular contact ball bearing Download PDFInfo
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- CN103206921B CN103206921B CN201310088034.6A CN201310088034A CN103206921B CN 103206921 B CN103206921 B CN 103206921B CN 201310088034 A CN201310088034 A CN 201310088034A CN 103206921 B CN103206921 B CN 103206921B
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Abstract
A kind of method by the axially projecting amount of laser beam detection angular contact ball bearing, reference rings is abutted against fixed body (8) boss end, the digital signal that reference rings end face is measured by laser sensor (3) is demarcated as reference value in computer (5), change angular contact ball bearing (2) rotating shaft afterwards (1) and it is applied axial F uniform rotation under ω rotating speed, laser sensor by inner ring end surface measurement to all axially projecting amount changing value be input in computer and data base (6) by keyboard and mouse (4), and compare computing with reference value and just can calculate the average axially projecting amount of angular contact ball bearing, all axially projecting amount changing values all can pass through display (7) and display, find range and to have monochromaticity good owing to laser sensor sends 0.1 μm, the laser beam of high directivity, meet the axially projecting amount detection of angular contact ball bearing, in addition laser sensor does not contact with inner ring end face, improve the accuracy of detection of axially projecting amount.
Description
Technical field
The invention belongs to Bearing testing technical field, refer more particularly to a kind of method by the axially projecting amount of laser beam detection angular contact ball bearing.
Background technology
Angular contact ball bearing has outer ring, inner ring and spin, the internal diameter end face of outer ring is by oblique line section, semicircle segmental arc and straightway are constituted, in described semicircle segmental arc, spin is loaded by described oblique line section, the semi arch of inner ring is corresponding to the semi arch of outer ring, by inner ring applying allowable load being detected the axially projecting amount of inner ring when outer ring is fixing, if axially projecting amount is beyond the bulge quantity allowable of angular contact ball bearing under allowable load, then inner ring and spin, spin and outer ring can interfere phenomenon, so that affecting the normal operation of angular contact ball bearing, therefore the axially projecting amount of diagonal angle contact ball bearing detection must be made before dispatching from the factory, testing result is as the assembling foundation of angular contact ball bearing.
Traditional axially projecting amount detection is detected by gauge head, gauge head and inner ring end contact during detection, gauge head is fixed, and by gauge head detection inner ring end face axial displacement under allowable load when inner ring rotates, this axial displacement is the axially projecting amount of angular contact ball bearing.Owing to gauge head contacts inner ring end face, causing that gauge head produces trace abrasion, the axially projecting amount detected is not as accurate.
Summary of the invention
The defect of axially projecting amount detection inaccuracy is caused in order to solve gauge head contact inner ring end face, the invention provides a kind of method by the axially projecting amount of laser beam detection angular contact ball bearing, inner ring is applied equal axial load by the allowable load F according to angular contact ball bearing, and the laser beam irradiation being reached 0.1 μm under inner ring uniform rotation by range accuracy detects the axially projecting amount of inner ring at inner ring end face, owing to laser sensor and inner ring end face are in contactless state, hence in so that the accuracy of detection of axially projecting amount is improved.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of method by the axially projecting amount of laser beam detection angular contact ball bearing, angular contact ball bearing has outer ring, inner ring and spin, the internal diameter end face of outer ring is made up of oblique line section, semicircle segmental arc and straightway, in described semicircle segmental arc, spin is loaded by described oblique line section, the semi arch of inner ring, corresponding to the semi arch of outer ring, sets: the external diameter of outer ring is as D, and the internal diameter of inner ring is d, width=the H of the width=inner ring of outer ring, the allowable load of angular contact ball bearing is F；Laser sensor comprises laser generator, optical element and photoelectric device, sets laser generator and produces the laser beam of 0.1 μm of range finding.
It is D by external diameter, width is the boss end that the reference rings of 0.1～0.5H abuts against fixed body, internal diameter=the D of fixed body, the internal diameter of the internal diameter > outer ring of described boss end, it is equipped with and fixed laser sensor on the right side of described boss end, reference rings end face described in laser sensor horizontal aligument, laser sensor is coupled with computer by data wire, computer couples keyboard and mouse more respectively, data base and display, described reference rings end face or inner ring end face are discharged laser beam by laser sensor, and by laser beam, the axially projecting amount optical signal detected is filtered through laser sensor, amplify, rectification, A/D is transferred to after changing into digital signal in computer again and carries out error correction and data process, the digital signal now described reference rings end face measured is demarcated as reference value in a computer；Hereafter described reference rings taken out from fixed body and change angular contact ball bearing, note abutting against the straightway of outer ring described boss end, rotating shaft is loaded from the inwardly directed circle of the oblique line section of outer ring, the external diameter of rotating shaft small end mates with the internal diameter d of inner ring, the external diameter of the maximum outside diameter≤inner ring of rotating shaft, now laser sensor horizontal aligument inner ring end face, countershaft applies axial F uniform rotation under ω rotating speed, laser sensor by inner ring end surface measurement to all axially projecting amount changing value be input in computer and data base by keyboard and mouse, and compare computing with described reference value and just can calculate the average axially projecting amount of angular contact ball bearing.
Owing to have employed technique scheme, the present invention has following superiority:
1, laser sensor can send the laser beam of 0.1 μm of range finding, and this laser beam has the features such as good, the high directivity of monochromaticity, it is sufficient to meets the axially projecting amount detection of angular contact ball bearing.
2, laser sensor and inner ring end face are in contactless state, and the accuracy of detection improving the axially projecting amount of angular contact ball bearing is had important function.
3, the axially projecting amount reference value detected can be stored in data base easily, needs the used time to pass through data base and namely can print out these reference values, and the assembling level improving angular contact ball bearing is provided reference frame.
Accompanying drawing explanation
Fig. 1 is the simple and easy configuration figure of the present invention；
In Fig. 1: 1-rotating shaft；2-angular contact ball bearing；3-laser sensor；4-keyboard and mouse；5-computer；6-data base；7-display；8-fixed body.
Detailed description of the invention
The present invention is a kind of method by the axially projecting amount of laser beam detection angular contact ball bearing, inner ring is applied equal axial load by the allowable load F according to angular contact ball bearing, and the laser beam irradiation being reached 0.1 μm under inner ring uniform rotation by range accuracy detects the axially projecting amount of inner ring at inner ring end face, owing to laser sensor and inner ring end face are in contactless state, hence in so that the accuracy of detection of axially projecting amount is improved.
Can being explained in more detail the present invention by the following examples, the invention is not limited in the following examples, the open purpose of the present invention is intended to all changes and improvements in the protection scope of the invention.
Angular contact ball bearing has outer ring, inner ring and spin, the internal diameter end face of outer ring is made up of oblique line section, semicircle segmental arc and straightway, in described semicircle segmental arc, spin is loaded by described oblique line section, the semi arch of inner ring is corresponding to the semi arch of outer ring, set: the external diameter of outer ring is as D, the internal diameter of inner ring is d, the width=H of the width=inner ring of outer ring, and the allowable load of angular contact ball bearing is F.
Laser sensor comprises laser generator, optical element and photoelectric device, sets laser generator and produces the laser beam of 0.1 μm of range finding.
In conjunction with Fig. 1, it is D by external diameter, width is the boss end that the reference rings of 0.1～0.5H abuts against fixed body 8, internal diameter=the D of fixed body, the internal diameter of the internal diameter > outer ring of described boss end, it is equipped with and fixed laser sensor 3 on the right side of described boss end, reference rings end face described in laser sensor 3 horizontal aligument, laser sensor 3 is coupled with computer 5 by data wire, computer 5 couples keyboard and mouse 4 more respectively, data base 6 and display 7, described reference rings end face or inner ring end face are discharged laser beam by laser sensor 3, and by laser beam, the axially projecting amount optical signal detected is filtered through laser sensor 3, amplify, rectification, A/D is transferred to after changing into digital signal in computer 5 again and carries out error correction and data process, the digital signal now described reference rings end face measured is demarcated as reference value in computer 5；Hereafter described reference rings taken out from fixed body 8 and change angular contact ball bearing 2, note abutting against the straightway of outer ring described boss end, rotating shaft 1 is loaded from the inwardly directed circle of the oblique line section of outer ring, the external diameter of rotating shaft 1 small end mates with the internal diameter d of inner ring, the external diameter of the maximum outside diameter≤inner ring of rotating shaft 1, now laser sensor 3 horizontal aligument inner ring end face, countershaft 1 applies axial F uniform rotation under ω rotating speed, laser sensor 3 by inner ring end surface measurement to all axially projecting amount changing value be input in computer 5 and data base 6 by keyboard and mouse 4, and compare computing with described reference value and just can calculate the average axially projecting amount of angular contact ball bearing 2, the maximum of axially projecting amount and average axially projecting amount are the important references values of angular contact ball bearing 2, these reference values can be stored in data base 6 easily, need the used time to pass through data base 6 and namely can print out the reference value of the axially projecting amount of this angular contact ball bearing, foundation is provided to the assembling of this angular contact ball bearing.
Owing to laser sensor can send the laser beam of 0.1 μm of range finding, this laser beam has the features such as good, the high directivity of monochromaticity, it is sufficient for the axially projecting amount detection of angular contact ball bearing, and laser sensor and inner ring end face are in contactless state, the accuracy of detection improving the axially projecting amount of angular contact ball bearing had important function.
The embodiment selected in this article for the open purpose of the present invention, it is suitable to be presently considered to be, it is to be understood that it is contemplated that include all changes belonging to embodiment in this design and the scope of the invention and improvement.
Claims (1)
1. the method passing through the axially projecting amount of laser beam detection angular contact ball bearing, angular contact ball bearing has outer ring, inner ring and spin, the internal diameter end face of outer ring is made up of oblique line section, semicircle segmental arc and straightway, in described semicircle segmental arc, spin is loaded by described oblique line section, the semicircle segmental arc of inner ring, corresponding to the semicircle segmental arc of outer ring, sets: the external diameter of outer ring is as D, and the internal diameter of inner ring is d, width=the H of the width=inner ring of outer ring, the allowable load of angular contact ball bearing is F；Set laser sensor and can measure the laser beam of 0.1 μm of range finding；It is characterized in that:
It is D by external diameter, width is the boss end that the reference rings of 0.1～0.5H abuts against fixed body (8), internal diameter=the D of fixed body (8), the internal diameter of the internal diameter > outer ring of described boss end, it is equipped with and fixed laser sensor (3) on the right side of described boss end, reference rings end face described in laser sensor (3) horizontal aligument, laser sensor (3) is coupled with computer (5) by data wire, computer (5) couples keyboard (4) and display (7) more respectively, described reference rings end face or inner ring end face are discharged laser beam by laser sensor (3), and by laser beam, the axially projecting amount optical signal detected is filtered through laser sensor (3), amplify, rectification, A/D is transferred in computer (5) again and carries out error correction and data process after changing into digital signal, the digital signal now described reference rings end face measured is demarcated as reference value in computer (5)；Hereafter described reference rings taken out from fixed body (8) and change angular contact ball bearing (2), note the straightway end face of outer ring is abutted against described boss end, rotating shaft (1) is loaded from the inwardly directed circle of the oblique line section of outer ring, the external diameter of rotating shaft (1) small end mates with the internal diameter d of inner ring, the external diameter of the maximum outside diameter≤inner ring of rotating shaft (1), now laser sensor (3) horizontal aligument inner ring end face, countershaft (1) applies axial F uniform rotation under ω rotating speed, laser sensor (3) by inner ring end surface measurement to all axially projecting amount changing value be input in computer (5) and data base (6) by keyboard (4), and compare computing with described reference value and just can calculate the average axially projecting amount of angular contact ball bearing (2), all axially projecting amounts all can be passed through display (7) and display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310088034.6A CN103206921B (en) | 2013-03-20 | 2013-03-20 | A kind of method by the axially projecting amount of laser beam detection angular contact ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310088034.6A CN103206921B (en) | 2013-03-20 | 2013-03-20 | A kind of method by the axially projecting amount of laser beam detection angular contact ball bearing |
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| Publication Number | Publication Date |
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| CN103206921A CN103206921A (en) | 2013-07-17 |
| CN103206921B true CN103206921B (en) | 2016-06-29 |
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| CN201310088034.6A Active CN103206921B (en) | 2013-03-20 | 2013-03-20 | A kind of method by the axially projecting amount of laser beam detection angular contact ball bearing |
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| CN111337172B (en) * | 2019-09-23 | 2021-03-16 | 北京交通大学 | Bearing internal load distribution calibration structure and detection method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1472501A (en) * | 2003-06-24 | 2004-02-04 | 浙江大学 | Bearing projection measuring devices |
| CN2754055Y (en) * | 2004-12-21 | 2006-01-25 | 洛阳轴研科技股份有限公司 | Precision bearing embossment measuring device |
| CN201093977Y (en) * | 2007-08-13 | 2008-07-30 | 洛阳Lyc轴承有限公司 | Simple measuring apparatus of assembling angular contact ball bearing projection |
| CN101393005A (en) * | 2008-10-30 | 2009-03-25 | 洛阳轴研科技股份有限公司 | Measurement method and apparatus for bearing protrusion amount under pre-loading no more than 10N |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004354156A (en) * | 2003-05-28 | 2004-12-16 | Nsk Ltd | Rolling bearing device with sensor |
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- 2013-03-20 CN CN201310088034.6A patent/CN103206921B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1472501A (en) * | 2003-06-24 | 2004-02-04 | 浙江大学 | Bearing projection measuring devices |
| CN2754055Y (en) * | 2004-12-21 | 2006-01-25 | 洛阳轴研科技股份有限公司 | Precision bearing embossment measuring device |
| CN201093977Y (en) * | 2007-08-13 | 2008-07-30 | 洛阳Lyc轴承有限公司 | Simple measuring apparatus of assembling angular contact ball bearing projection |
| CN101393005A (en) * | 2008-10-30 | 2009-03-25 | 洛阳轴研科技股份有限公司 | Measurement method and apparatus for bearing protrusion amount under pre-loading no more than 10N |
Non-Patent Citations (1)
| Title |
|---|
| T6912轴承凸出量测量仪;张中元等;《轴承》;19920531(第5期);第24-27页 * |
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| CN103206921A (en) | 2013-07-17 |
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Effective date of registration: 20180514 Address after: 471000 No. 1 axis research road, Jianxi science and Technology Industrial Park, Luoyang, Henan Patentee after: Luoyang Bearing Research Institute Address before: 471039 Fenghua Road 6, hi tech Development Zone, Luoyang, Henan. Patentee before: Zhouyan Science and Technology Co., Ltd., Luoyang |
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