CN107939838A - Half retainer of angular contact ball bearing radial bore circular arc pocket hole - Google Patents

Half retainer of angular contact ball bearing radial bore circular arc pocket hole Download PDF

Info

Publication number
CN107939838A
CN107939838A CN201711430051.8A CN201711430051A CN107939838A CN 107939838 A CN107939838 A CN 107939838A CN 201711430051 A CN201711430051 A CN 201711430051A CN 107939838 A CN107939838 A CN 107939838A
Authority
CN
China
Prior art keywords
retainer
pocket hole
circular arc
angular contact
ball bearing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711430051.8A
Other languages
Chinese (zh)
Inventor
孙凤玉
孙岳松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wafangdian Bearing Group National Bearing Engineering Technology Research Center Co Ltd
Wafangdian Bearing Group Corp
Original Assignee
Wafangdian Bearing Group National Bearing Engineering Technology Research Center Co Ltd
Wafangdian Bearing Group Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wafangdian Bearing Group National Bearing Engineering Technology Research Center Co Ltd, Wafangdian Bearing Group Corp filed Critical Wafangdian Bearing Group National Bearing Engineering Technology Research Center Co Ltd
Priority to CN201711430051.8A priority Critical patent/CN107939838A/en
Publication of CN107939838A publication Critical patent/CN107939838A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/38Ball cages

Abstract

The present invention relates to half retainer of angular contact ball bearing radial bore circular arc pocket hole.Retainer is half open retainer structure of side, and the pocket hole of retainer is using radially brill ball-and-socket pocket hole design so that drilling is in about 80% circle;The contact point of retainer and steel ball is in the middle top of pocket hole circular arc.The improved retainer of the present invention is to radial load(Retainer is hit to interact with steel ball when producing play and produces)Power is unloaded into row buffering, and is retainer loss of weight(Reduce elliptical gear power)Two aspects are set about, and are obviously prolonged the service life of bearing.

Description

Half retainer of angular contact ball bearing radial bore circular arc pocket hole
Technical field
The invention belongs to bearing arrangement technical field, and in particular to one kind is directed to angular contact ball bearing radial bore circular arc pocket The improvement of half retainer of hole.
Background technology
7088M/DF bearings are applied to steel mill's milling equipment, and bearing base regime is higher for rotating speed, the impact suffered by bearing It is big compared with load.Retainer uses oblique retainer, cone nest pocket hole, steel ball guiding in former scheme.Machine was less than 1 month on the bearing, just There are more set bearings to be damaged, show as retainer and produce very big play to bearing is radially unilateral, about 3~5mm, firmly Clamping rolling element prevents it from rotating, and from retainer internal diameter side, finds the copper scale for having from pocket hole extrusion.The bearing is kept Frame and other parts have carried out 100% inspection before dispatching from the factory, and design meets drawing requirement.Most this is solved through thinking afterwards Problem, adapts to field working conditions, it is necessary to make improvement to retainer structure.
The content of the invention
Institute of the invention is mainly solving the technical problems that the retainer structure of diagonal contact ball bearing is improved so as to have Effect prevents retainer from producing play to bearing is radially unilateral.
The present invention is that technical solution is to provide a kind of angular contact ball bearing radial bore used by solving its technical problem Half retainer of circular arc pocket hole.Retainer is half open retainer structure of side, and is revealed all the details as circular arc nest shape;Retainer and steel Upper semisection of the contact point of ball in pocket radial section busbar.
Preferably, retainer pocket hole circumference is in 80% circle
Beneficial effects of the present invention:
The improved retainer of the present invention to radial load (retainer is hit produce play when interact and produce with steel ball Give birth to) power is unloaded into row buffering, and set about for two aspects of retainer loss of weight (reducing elliptical gear power), make the service life of bearing obvious Extend.
Material cost is greatly reduced, each retainer saves copper 6kg or so, and it is public that a set of 2 retainers of bearing save 12 Jin copper, the economic benefit brought are considerable.
Compared to original oblique retainer, it is easier to processing and detection.
Retainer has side to be open, and bearing lubrication performance makes moderate progress.
Brief description of the drawings
Fig. 1 show angular contact ball bearing bearing assembling.
Fig. 2 is angular contact ball bearing cage part drawing.
Embodiment
Below in conjunction with attached drawing and specific embodiment, the invention will be further described.
As shown in Figure 1, it is angular contact ball bearing bearing assembling.Including outer ring 01, inner ring 02, steel ball 04 and retainer 06。
As shown in Fig. 2, it is angular contact ball bearing cage part drawing.Retainer 06 is half open retainer knot of side Structure, the pocket hole of retainer 06 is using radially brill ball-and-socket pocket hole design so that and pocket hole is in 80% circle, and pocket hole is pierced by outside diameter, and Reveal all the details as circular arc nest shape;Retainer 06 designs upper semisection of the contact point in pocket radial section busbar with steel ball 04.
Original bearing ring all size, steel ball size (Dw) and numbers, steel ball group center-diameter (Dpw) are constant, keep 06 pawl end of frame takes smaller internal diameter, to ensure inclusion quantity of the pocket hole to rolling element;The bottom internal diameter of retainer 06 is larger, is to make Retainer 06 and 02 outside diameter of inner ring keep gap, to ensure that rolling element 04 guides;Pocket hole is pierced by outside diameter, is revealed all the details as circular arc nest.
The key dimension of retainer 06 can be calculated by the following formula and (can do appropriate rounding):
1. retainer outside diameter:
Dc=Dpw+0.35*Dw
2. retainer internal diameter (bottom side):
Dc=Dpw-0.4*Dw
3. retainer internal diameter (pawl end):
Dc1=Dpw-0.58Dw
4. retainer base thickness:
Bc=0.15*Dw
5. retainer overall width:
Bc=bc+0.87*Dw
6. retainer bottom side inner diameter cylindrical face width:
Bdc=bc+0.15*Dw
7. the transition slope angle of dc and dc1 takes 20 °
8. pocket bore dia:
Dp=Dw+ ε
ε presses standard scale value for pocket hole with steel ball design gaps
9. arc radius of revealing all the details:
Rc=25* (Dp-0.98Dw)
10. inspection center's size:
DJ=Dpw+Dw- ε
Remaining size value refers to angular contact ball bearing integral cage and carries out value.
By the improvement to the retainer, bearing actual life, which obtains, greatly improves, while significantly reduces material Expect cost.The successful experience of current technological innovation, for the angular contact ball bearing reference of other models.

Claims (2)

1. half retainer of angular contact ball bearing radial bore circular arc pocket hole, it is characterised in that retainer is open for side, and pocket Bottom is circular arc nest shape;Upper semisection of the design contact point of retainer and steel ball in pocket radial section busbar.
2. half retainer of angular contact ball bearing radial bore circular arc pocket hole as claimed in claim 1, it is characterised in that described Retainer pocket hole circumference is in 80% circle.
CN201711430051.8A 2017-12-26 2017-12-26 Half retainer of angular contact ball bearing radial bore circular arc pocket hole Pending CN107939838A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711430051.8A CN107939838A (en) 2017-12-26 2017-12-26 Half retainer of angular contact ball bearing radial bore circular arc pocket hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711430051.8A CN107939838A (en) 2017-12-26 2017-12-26 Half retainer of angular contact ball bearing radial bore circular arc pocket hole

Publications (1)

Publication Number Publication Date
CN107939838A true CN107939838A (en) 2018-04-20

Family

ID=61940263

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711430051.8A Pending CN107939838A (en) 2017-12-26 2017-12-26 Half retainer of angular contact ball bearing radial bore circular arc pocket hole

Country Status (1)

Country Link
CN (1) CN107939838A (en)

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004084819A (en) * 2002-08-27 2004-03-18 Nsk Ltd Cage for bearing, and bearing
JP2004324854A (en) * 2003-04-28 2004-11-18 Nsk Ltd Roller bearing
JP2005061509A (en) * 2003-08-11 2005-03-10 Nsk Ltd Rolling bearing
JP2005133893A (en) * 2003-10-31 2005-05-26 Nsk Ltd Crown-shaped cage and ball bearing with cage
JP2005155759A (en) * 2003-11-25 2005-06-16 Nsk Ltd Rolling bearing
JP2006017180A (en) * 2004-06-30 2006-01-19 Koyo Seiko Co Ltd Crown retainer made of synthetic resin
JP2006077839A (en) * 2004-09-08 2006-03-23 Ntn Corp Ball bearing
JP2009041685A (en) * 2007-08-09 2009-02-26 Nsk Ltd Radial ball bearing
JP2009299705A (en) * 2008-06-10 2009-12-24 Nsk Ltd Rolling bearing
CN102119281A (en) * 2008-12-10 2011-07-06 日本精工株式会社 Ball bearing, and transmission for hybrid vehicle
US20110299805A1 (en) * 2009-02-16 2011-12-08 The Timken Company Prong Cage for an Angular Contact Ball Bearing and Method for Assembling an Angular Contact Ball Bearing
CN202326736U (en) * 2011-11-16 2012-07-11 瓦房店第一轧机轴承制造有限公司 Novel single-piece opening type retainer of double-line angle contact ball bearing
CN103097753A (en) * 2011-09-06 2013-05-08 日本精工株式会社 Rolling bearing cage and rolling bearing
DE102013225998A1 (en) * 2013-12-16 2015-06-18 Schaeffler Technologies AG & Co. KG Plastic roller bearing cage for a radial bearing and radial bearing
CN106104027A (en) * 2014-03-19 2016-11-09 日本精工株式会社 Angular contact ball bearing
CN207961280U (en) * 2017-12-26 2018-10-12 瓦房店轴承集团有限责任公司 A kind of half retainer of angular contact ball bearing radial bore circular arc pocket hole

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004084819A (en) * 2002-08-27 2004-03-18 Nsk Ltd Cage for bearing, and bearing
JP2004324854A (en) * 2003-04-28 2004-11-18 Nsk Ltd Roller bearing
JP2005061509A (en) * 2003-08-11 2005-03-10 Nsk Ltd Rolling bearing
JP2005133893A (en) * 2003-10-31 2005-05-26 Nsk Ltd Crown-shaped cage and ball bearing with cage
JP2005155759A (en) * 2003-11-25 2005-06-16 Nsk Ltd Rolling bearing
JP2006017180A (en) * 2004-06-30 2006-01-19 Koyo Seiko Co Ltd Crown retainer made of synthetic resin
JP2006077839A (en) * 2004-09-08 2006-03-23 Ntn Corp Ball bearing
JP2009041685A (en) * 2007-08-09 2009-02-26 Nsk Ltd Radial ball bearing
JP2009299705A (en) * 2008-06-10 2009-12-24 Nsk Ltd Rolling bearing
CN102119281A (en) * 2008-12-10 2011-07-06 日本精工株式会社 Ball bearing, and transmission for hybrid vehicle
US20110299805A1 (en) * 2009-02-16 2011-12-08 The Timken Company Prong Cage for an Angular Contact Ball Bearing and Method for Assembling an Angular Contact Ball Bearing
CN103097753A (en) * 2011-09-06 2013-05-08 日本精工株式会社 Rolling bearing cage and rolling bearing
CN202326736U (en) * 2011-11-16 2012-07-11 瓦房店第一轧机轴承制造有限公司 Novel single-piece opening type retainer of double-line angle contact ball bearing
DE102013225998A1 (en) * 2013-12-16 2015-06-18 Schaeffler Technologies AG & Co. KG Plastic roller bearing cage for a radial bearing and radial bearing
CN106104027A (en) * 2014-03-19 2016-11-09 日本精工株式会社 Angular contact ball bearing
CN207961280U (en) * 2017-12-26 2018-10-12 瓦房店轴承集团有限责任公司 A kind of half retainer of angular contact ball bearing radial bore circular arc pocket hole

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PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180420