CN103244564A - Improving method of large-scale thin wall angular contact ball bearing cage pocket - Google Patents
Improving method of large-scale thin wall angular contact ball bearing cage pocket Download PDFInfo
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- CN103244564A CN103244564A CN 201310148401 CN201310148401A CN103244564A CN 103244564 A CN103244564 A CN 103244564A CN 201310148401 CN201310148401 CN 201310148401 CN 201310148401 A CN201310148401 A CN 201310148401A CN 103244564 A CN103244564 A CN 103244564A
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Abstract
The invention relates to an improving method of a large-scale thin wall angular contact ball bearing cage pocket. The method is characterized in that the diameter D of an angular contact ball (7) is given; the pocket bottom of the pocket, close to the inner diameter end, is designed to a spherical pocket bottom (6), and other parts of the pocket are designed as cylindrical pockets, wherein the curvature radius of the spherical pocket bottom is equal to D/2, and the diameter of each cylindrical pocket is D; a circle of outer diameter groove (5) is formed along the outer diameter end face of a cage and around the cylindrical pockets; outer diameter stepped counter bores (8) are formed in the upper end of the each cylinder pocket; a circle of inner diameter groove (4) is formed along the inner diameter end face of the cage and around the spherical pocket bottom; and the outer diameter groove, the inner diameter groove and the outer diameter end step counter bores can be filled with lubricating grease, and the angular contact ball is sufficiently lubricated, thus improving the poor lubrication phenomenon of the cage, reducing the short-time oil shortage during the use of a large-scale thin-wall angular contact ball bearing, and avoiding that the large-scale thin wall angular contact ball bearing is burned or damaged due to lack of the lubricating grease.
Description
Technical field
The invention belongs to the retainer technical field, refer more particularly to improving one's methods of a kind of large thin-wall angular contact ball bearing cage pocket hole.
Background technique
Fig. 1-2 is the structural representation sketch of existing angular contact ball retainer, and retainer has outer diametric plane 1 and aperture surface 2, and its pocket hole is cylindrical straight pocket hole 3.There is following drawback in the use:
1. the space of repack with grease of packing in cylindrical straight pocket hole 3 behind the angular contact ball around it is less than normal;
2. the radial-play amount of angular contact ball in cylindrical straight pocket hole 3 is bigger, and the precision of angular contact ball bearing rotation is wayward;
3, for the large thin-wall angular contact ball bearing of external diameter * internal diameter * width=509 * 459 * 25mm, under the situation of rotating speed 700～900r/min, existing angular contact ball retainer be owing to lubricatedly insufficiently can not satisfy the use needs, the retainer wall thickness=(509-459)/2=25mm.
For above-mentioned reasons, often cause angular contact ball bearing to lose running accuracy, thereby cause reduce the working life of angular contact ball bearing, cause serious economic loss for the main frame that matches.
Summary of the invention
For addressing the above problem, the invention provides improving one's methods of a kind of large thin-wall angular contact ball bearing cage pocket hole, angular contact ball insufficient lubrication phenomenon can be reduced in the retainer pocket hole after the improvement, prolongs lubrication interval, reduces the harm of weary oil.
For achieving the above object, the present invention adopts following technological scheme:
Improving one's methods of a kind of large thin-wall angular contact ball bearing cage pocket hole, the diameter D of angular contact ball is given, and feature of the present invention is:
Retainer pocket hole is designed to sphere near revealing all the details of internal diameter end reveals all the details and other position is designed to cylindrical pocket hole, the radius of curvature that sphere is revealed all the details equals described D/2, the diameter in described cylindrical pocket hole equals described D, along the external diameter end face of retainer and around described cylindrical pocket hole configuration one circle external diameter groove, the width of external diameter groove is 1.1～1.3 times of described D, the degree of depth of external diameter groove is H, the upper end in each described cylindrical pocket hole all disposes external diameter end stepped counterbore and external diameter end stepped counterbore is in external diameter groove lower end, the internal diameter of external diameter end stepped counterbore is 1.08～1.28 times of described D, and the degree of depth of external diameter end stepped counterbore is h; Along the internal diameter end face of retainer and around the sphere configuration one circle internal diameter groove of revealing all the details, the width of internal diameter groove is 1.1～1.3 times of described D, and the degree of depth of internal diameter groove equals described H.
The place, right angle of above-mentioned external diameter groove and internal diameter groove all adopts the transition of circular arc nature to connect.
H control described above is at 0. 1～1.0mm.
H described above is more than or equal to described h.
Owing to adopt technological scheme as mentioned above, the present invention has following good effect:
1, owing on retainer pocket hole, disposed external diameter groove, internal diameter groove and external diameter end stepped counterbore respectively, therefore can the sufficient lubricating grease of filling in external diameter groove, internal diameter groove and external diameter end stepped counterbore, when angular contact ball is directed rotating, can obtain sufficient lubrication, improve the existing problem of retainer insufficient lubrication.
2, because the large thin-wall angular contact ball can obtain sufficient lubrication in retainer pocket hole, reduced the large thin-wall angular contact ball bearing and in use lacked oily phenomenon in short-term, avoided in use owing to lacking harm such as lubricating grease causes that the large thin-wall angular contact ball bearing is burnt.
3, since lubricated fully, thereby improved the running accuracy of angular contact ball, also prolonged the working life of large thin-wall angular contact ball bearing, reduced the maintenance period of main frame.
Description of drawings
Fig. 1 be existing angular contact ball retainer partly cut open the structural representation sketch.
Fig. 2 is the left view of Fig. 1.
Fig. 3 be modified model angular contact ball retainer partly cut open the structural representation sketch.
Fig. 4 is the left view of Fig. 3.
Among the above-mentioned figure: the outer diametric plane of 1-; The 2-aperture surface; The straight pocket of 3-cylinder type hole; 4-internal diameter groove; 5-external diameter groove; The 6-sphere is revealed all the details; The 7-angular contact ball; 8-external diameter end stepped counterbore.
Embodiment
The present invention is improving one's methods of a kind of large thin-wall angular contact ball bearing cage pocket hole, the bearing of size 〉=external diameter * internal diameter * width=509 * 459 * 25mm is customized for the large thin-wall angular contact ball bearing, wherein the diameter D of angular contact ball 7 is given, angular contact ball insufficient lubrication phenomenon can be reduced in retainer pocket hole after the improvement, prolong lubrication interval, reduce the harm of weary oil.
Can explain the present invention in more detail by the following examples, the present invention is not limited to the following examples, discloses purpose of the present invention and is intended to protect all changes and improvements in the scope of the invention.
Feature of the present invention is:
In conjunction with Fig. 3-4, retainer pocket hole is designed to spherical pocket near revealing all the details of internal diameter end, 6 and other position is designed to cylindrical pocket hole, reveal all the details 6 radius of curvature of sphere equals described D/2, the diameter in described cylindrical pocket hole equals described D, along the external diameter end face of retainer and around described cylindrical pocket hole configuration one circle external diameter groove 5, the width of external diameter groove 5 is 1.1～1.3 times of described D, the degree of depth of external diameter groove 5 is H, the upper end in each described cylindrical pocket hole all disposes external diameter end stepped counterbore 8 and external diameter end stepped counterbore 8 is in external diameter groove lower end, the internal diameter of external diameter end stepped counterbore 8 is 1.08～1.28 times of described D, the degree of depth of external diameter end stepped counterbore 8 is h, described H control is at 0. 1～1.0mm, external diameter end stepped counterbore 8 has the leading role of assembling angular contact ball, sphere 6 effects with restriction angular contact ball collision inner ring raceway of revealing all the details, and this is that existing retainer is not available, existing novelty, creative again.
Along the internal diameter end face of retainer and around sphere 6 configurations, the one circle internal diameter groove 4 of revealing all the details, the width of internal diameter groove 4 is 1.1～1.3 times of described D, the degree of depth of internal diameter groove 4 equals described H, and the place, right angle of external diameter groove 5 and internal diameter groove 4 all adopts the transition of circular arc nature to connect.
All can the sufficient lubricating grease of filling in external diameter groove, internal diameter groove and the external diameter end stepped counterbore, when being directed rotating, angular contact ball can obtain sufficient lubrication, improved the existing problem of retainer insufficient lubrication, reduced the large thin-wall angular contact ball bearing and in use lacked oily phenomenon in short-term, avoided in use owing to lacking harm such as lubricating grease causes that the large thin-wall angular contact ball bearing is burnt.
To determine according to described D for 1.1～1.3 times and described 1.08～1.28 times described above, its multiple also should be got greatly thereupon when described D is big, it is little that otherwise its multiple is got, and all are rule of thumb decided, and this multiple must be more than or equal to the internal diameter multiple of external diameter end stepped counterbore 8.
Such as the diameter D=12.7mm of angular contact ball, if the width of external diameter groove is 1.1 of described D～doubly, then external diameter groove or the width=13.97mm of internal diameter groove; If the internal diameter of external diameter end stepped counterbore is 1.08 times of described D, then internal diameter=the 13.816mm of external diameter end stepped counterbore; If get H=0.3mm, h or equal 0.3mm then, or less than 0.3mm.
Retainer pocket hole after the present invention improves is abundant owing to lubricating, thereby has improved the running accuracy of angular contact ball, has also prolonged the working life of large thin-wall angular contact ball bearing, has reduced the maintenance period of main frame.
Though the retainer pocket hole after the present invention improves at be the large thin-wall angular contact ball bearing, the bearing of other model is had reference equally, the present invention is intended to comprise that all belong to the interior embodiment's of this design and the scope of the invention all changes and improvement.
Claims (4)
1. improving one's methods of a large thin-wall angular contact ball bearing cage pocket hole, the diameter D of angular contact ball (7) is given, it is characterized in that:
Retainer pocket hole is designed to sphere near revealing all the details of internal diameter end reveals all the details (6) and other position is designed to cylindrical pocket hole, the reveal all the details radius of curvature of (6) of sphere equals described D/2, the diameter in described cylindrical pocket hole equals described D, along the external diameter end face of retainer and around described cylindrical pocket hole configuration one circle external diameter groove (5), the width of external diameter groove (5) is 1.1～1.3 times of described D, the degree of depth of external diameter groove (5) is H, the upper end in each described cylindrical pocket hole all disposes external diameter end stepped counterbore (8) and external diameter end stepped counterbore (8) is in external diameter groove (5) lower end, the internal diameter of external diameter end stepped counterbore (8) is 1.08～1.28 times of described D, and the degree of depth of external diameter end stepped counterbore (8) is h; Along the internal diameter end face of retainer and around sphere (6) configuration one circle internal diameter groove (4) of revealing all the details, the width of internal diameter groove (4) is 1.1～1.3 times of described D, and the degree of depth of internal diameter groove (4) equals described H.
2. according to the improving one's methods of the described a kind of large thin-wall angular contact ball bearing cage pocket of claim 1 hole, it is characterized in that: the place, right angle of external diameter groove (5) and internal diameter groove (4) all adopts the transition of circular arc nature to connect.
3. according to the improving one's methods of the described a kind of large thin-wall angular contact ball bearing cage pocket of claim 1 hole, it is characterized in that: described H control is at 0. 1～1.0mm.
4. according to the improving one's methods of claim 1 or 3 described a kind of large thin-wall angular contact ball bearing cage pocket holes, it is characterized in that: described H is more than or equal to described h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310148401.7A CN103244564B (en) | 2013-04-26 | 2013-04-26 | Improving one's methods of a kind of large thin-wall angular contact ball bearing cage pocket hole |
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| CN201310148401.7A CN103244564B (en) | 2013-04-26 | 2013-04-26 | Improving one's methods of a kind of large thin-wall angular contact ball bearing cage pocket hole |
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| CN103244564B CN103244564B (en) | 2016-01-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221576A (en) * | 2015-10-13 | 2016-01-06 | 清华大学 | The rolling bearing retainer of the outer fore shaft pocket hole structure of circular arc |
| CN106239068A (en) * | 2016-08-31 | 2016-12-21 | 中航工业哈尔滨轴承有限公司 | A kind of processing technique of ball bearing solid cage |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100494712C (en) * | 2006-11-10 | 2009-06-03 | 中机洛阳轴承科技有限公司 | Metal solid holding frame for angle contact ball bearing |
| CN101603570A (en) * | 2009-07-01 | 2009-12-16 | 洛阳德润精密机床轴承有限公司 | A kind of high-speed angular contact ball bearing cage |
| CN101737429A (en) * | 2009-12-24 | 2010-06-16 | 常熟长城轴承有限公司 | Structure of angular contact ball bearing retainer |
| CN102678758A (en) * | 2012-05-25 | 2012-09-19 | 中机洛阳轴承科技有限公司 | Entity retainer of ball bearing |
-
2013
- 2013-04-26 CN CN201310148401.7A patent/CN103244564B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221576A (en) * | 2015-10-13 | 2016-01-06 | 清华大学 | The rolling bearing retainer of the outer fore shaft pocket hole structure of circular arc |
| CN106239068A (en) * | 2016-08-31 | 2016-12-21 | 中航工业哈尔滨轴承有限公司 | A kind of processing technique of ball bearing solid cage |
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| CN103244564B (en) | 2016-01-20 |
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Effective date of registration: 20221201 Address after: 471000 No. 1, Sanxi Road, Science and Technology Industrial Park, Jianxi District, Luoyang, Henan Patentee after: Luoyang axis Research Technology Co.,Ltd. Address before: 471039 No. 1, Jilin Road, Jianxi District, Luoyang City, Henan Province Patentee before: LUOYANG BEARING RESEARCH INSTITUTE Co.,Ltd. |
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