CN103244564B - Improving one's methods of a kind of large thin-wall angular contact ball bearing cage pocket hole - Google Patents
Improving one's methods of a kind of large thin-wall angular contact ball bearing cage pocket hole Download PDFInfo
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- CN103244564B CN103244564B CN201310148401.7A CN201310148401A CN103244564B CN 103244564 B CN103244564 B CN 103244564B CN 201310148401 A CN201310148401 A CN 201310148401A CN 103244564 B CN103244564 B CN 103244564B
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Abstract
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 (7) is given, pocket hole is designed to (6) at the bottom of spherical packet near revealing all the details of inner-diameter end and other position is designed to cylindrical pocket hole, radius of curvature at the bottom of spherical packet equals D/2, the diameter in cylindrical pocket hole equals D, along retainer outer-diameter end face and around described cylindrical pocket hole configuration one circle outside diameter mill (5), the upper end in each cylindrical pocket hole is all configured with external diameter end stepped counterbore (8), along retainer internal diameter end face and around at the bottom of spherical packet configure one circle inside diameter groove (4), outside diameter mill, can filling lubricating grease make angular contact ball obtain sufficient lubrication in inside diameter groove and external diameter end stepped counterbore, improve retainer insufficient lubrication phenomenon, decrease the phenomenon of large thin-wall angular contact ball bearing in use weary oil in short-term, avoid harm such as causing that large thin-wall angular contact ball bearing is burnt owing to lacking lubricating grease.
Description
Technical field
The invention belongs to 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 diameter face 1 and aperture surface 2, and its pocket hole is cylindrical straight pocket hole 3.Following drawback is there is in using:
1. the space loading after angular contact ball repack with grease around it in cylindrical straight pocket hole 3 is less than normal;
2. the radial-play amount of angular contact ball in cylindrical straight pocket hole 3 is comparatively large, and the precision that angular contact ball bearing rotates is wayward;
3, for the large thin-wall angular contact ball bearing of external diameter × internal diameter × width=509 × 459 × 25mm, when rotating speed 700 ~ 900r/min, existing angular contact ball retainer insufficiently can not meet use needs, retainer wall thickness=(509-459)/2=25mm owing to lubricating.
For above-mentioned reasons, often cause angular contact ball bearing to lose running accuracy, thus cause reduce the working life of angular contact ball bearing, to matching, main frame causes serious financial consequences.
Summary of the invention
For solving the 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 improvement, extends 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, at the bottom of spherical packet, other position is designed to cylindrical pocket hole near revealing all the details of inner-diameter end, radius of curvature at the bottom of spherical packet equals described D/2, the diameter in described cylindrical pocket hole equals described D, along retainer outer-diameter end face and around described cylindrical pocket hole configuration one circle outside diameter mill, the width of outside diameter mill is 1.1 ~ 1.3 times of described D, the degree of depth of outside diameter mill is H, the upper end in each described cylindrical pocket hole is all configured with external diameter end stepped counterbore and external diameter end stepped counterbore is in outside diameter mill lower end, the internal diameter of external diameter end stepped counterbore is 1.08 ~ 1.28 times of described D, the degree of depth of external diameter end stepped counterbore is h, along retainer internal diameter end face and around at the bottom of spherical packet configure one circle inside diameter groove, the width of inside diameter groove is 1.1 ~ 1.3 times of described D, and the degree of depth of inside diameter groove equals described H.
The right angle of above-mentioned outside diameter mill and inside diameter groove all adopts the transition of circular arc nature to connect.
H described above controls at 0.1 ~ 1.0mm.
H described above is more than or equal to described h.
Owing to adopting technological scheme described above, the present invention has following good effect:
1, owing to being configured with outside diameter mill, inside diameter groove and external diameter end stepped counterbore on retainer pocket hole respectively, therefore can the sufficient lubricating grease of filling in outside diameter mill, inside diameter groove and external diameter end stepped counterbore, can sufficient lubrication be obtained when the directed rotation of angular contact ball, improve the problem existing for retainer insufficient lubrication.
2, because large thin-wall angular contact ball can obtain sufficient lubrication in retainer pocket hole, decrease the phenomenon of large thin-wall angular contact ball bearing in use weary oil in short-term, avoid harm such as in use causing that large thin-wall angular contact ball bearing is burnt owing to lacking lubricating grease.
3, owing to lubricating fully, thus improve the running accuracy of angular contact ball, also extend the working life of large thin-wall angular contact ball bearing, reduce the maintenance period of main frame.
Accompanying drawing explanation
Fig. 1 be existing angular contact ball retainer partly cut open structural representation sketch.
Fig. 2 is the left view of Fig. 1.
Fig. 3 be modified model angular contact ball retainer partly cut open structural representation sketch.
Fig. 4 is the left view of Fig. 3.
In above-mentioned figure: 1-outer diameter face; 2-aperture surface; The straight pocket hole of 3-cylinder type; 4-inside diameter groove; 5-outside diameter mill; At the bottom of 6-spherical packet; 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 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 improvement, extend 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 object 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:
Composition graphs 3-4, retainer pocket hole to be designed at the bottom of spherical packet 6 near revealing all the details of inner-diameter end, and other position is designed to cylindrical pocket hole, at the bottom of spherical packet, the radius of curvature of 6 equals described D/2, the diameter in described cylindrical pocket hole equals described D, along retainer outer-diameter end face and around described cylindrical pocket hole configuration one circle outside diameter mill 5, the width of outside diameter mill 5 is 1.1 ~ 1.3 times of described D, the degree of depth of outside diameter mill 5 is H, the upper end in each described cylindrical pocket hole is all configured with external diameter end stepped counterbore 8 and external diameter end stepped counterbore 8 is in outside diameter mill 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 controls at 0.1 ~ 1.0mm, external diameter end stepped counterbore 8 has the leading role of assembling angular contact ball, at the bottom of spherical packet, 6 have the effect that restriction angular contact ball collides inner ring raceway, this is not available for existing retainer, existing novelty, creative again.
Along retainer internal diameter end face and around 6 configuring a circle inside diameter groove 4 at the bottom of spherical packet, the width of inside diameter groove 4 is 1.1 ~ 1.3 times of described D, the degree of depth of inside diameter groove 4 equals described H, and the right angle of outside diameter mill 5 and inside diameter groove 4 all adopts the transition of circular arc nature to connect.
All can the sufficient lubricating grease of filling in outside diameter mill, inside diameter groove and external diameter end stepped counterbore, sufficient lubrication can be obtained when the directed rotation of angular contact ball, improve the problem existing for retainer insufficient lubrication, decrease the phenomenon of large thin-wall angular contact ball bearing in use weary oil in short-term, avoid harm such as in use causing that large thin-wall angular contact ball bearing is burnt owing to lacking lubricating grease.
To determine according to described D for 1.1 ~ 1.3 times and described 1.08 ~ 1.28 times described above, when described D is larger, its multiple also should be got greatly thereupon, otherwise its multiple is got little, and all are rule of thumb determined, 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 outside diameter mill be described D 1.1 ~ doubly, then outside diameter mill or the width=13.97mm of inside 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, then h or equal 0.3mm, or be less than 0.3mm.
Retainer pocket hole after the present invention improves owing to lubricating fully, thus improves the running accuracy of angular contact ball, also extends the working life of large thin-wall angular contact ball bearing, reduces the maintenance period of main frame.
Although the retainer pocket hole after the present invention improves for be large thin-wall angular contact ball bearing, have reference equally to the bearing of other model, the present invention is intended to comprise all changes belonging to this design and the embodiment in the scope of the invention and improvement.
Claims (1)
1. the 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 (6) at the bottom of spherical packet near revealing all the details of inner-diameter end and other position is designed to cylindrical pocket hole, at the bottom of spherical packet, the radius of curvature of (6) equals 1/2 of described D, the diameter in described cylindrical pocket hole equals described D, along retainer outer-diameter end face and around described cylindrical pocket hole configuration one circle outside diameter mill (5), the width of outside diameter mill (5) is 1.1 ~ 1.3 times of described D, the degree of depth of outside diameter mill (5) is H, the upper end in each described cylindrical pocket hole is all configured with external diameter end stepped counterbore (8) and external diameter end stepped counterbore (8) is in outside diameter mill (5) 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, along retainer internal diameter end face and around at the bottom of spherical packet (6) configuration one circle inside diameter groove (4), the width of inside diameter groove (4) is 1.1 ~ 1.3 times of described D, and the degree of depth of inside diameter groove (4) equals described H,
The right angle of outside diameter mill (5) and inside diameter groove (4) all adopts the transition of circular arc nature to connect, and described H controls at 0.1 ~ 1.0mm, and described H is more than or equal to described h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| 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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| CN103244564A CN103244564A (en) | 2013-08-14 |
| CN103244564B true CN103244564B (en) | 2016-01-20 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221576B (en) * | 2015-10-13 | 2018-04-10 | 清华大学 | The rolling bearing retainer of the outer fore shaft pocket pore 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1948773A (en) * | 2006-11-10 | 2007-04-18 | 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 |
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2013
- 2013-04-26 CN CN201310148401.7A patent/CN103244564B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1948773A (en) * | 2006-11-10 | 2007-04-18 | 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 |
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| CN103244564A (en) | 2013-08-14 |
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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. |