CN102606625A - Double-column backing bearing - Google Patents

Double-column backing bearing Download PDF

Info

Publication number
CN102606625A
CN102606625A CN2012100858367A CN201210085836A CN102606625A CN 102606625 A CN102606625 A CN 102606625A CN 2012100858367 A CN2012100858367 A CN 2012100858367A CN 201210085836 A CN201210085836 A CN 201210085836A CN 102606625 A CN102606625 A CN 102606625A
Authority
CN
China
Prior art keywords
bearing
same
retainer
column
rolling element
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
CN2012100858367A
Other languages
Chinese (zh)
Inventor
袁伟民
王海宏
Original Assignee
袁伟民
王海宏
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 袁伟民, 王海宏 filed Critical 袁伟民
Priority to CN2012100858367A priority Critical patent/CN102606625A/en
Publication of CN102606625A publication Critical patent/CN102606625A/en
Pending legal-status Critical Current

Links

Abstract

The invention discloses a double-column backing bearing which overcomes the defect of short service life of the bearing due to non-uniform stress of the existing rolling body in the running process. The double-column backing bearing comprises an outer ring, an inner ring and a rolling body, wherein the rolling body is assembled between the inner ring and the outer ring by a retaining frame. The technical points of the double-column backing bearing is that the retaining frame is of a structure combining two single retaining frames together or a dual retaining frame as a whole body; axially distributed pin holes are arranged on the outer circumference of the single retaining frame respectively; the two single retaining frames are connected together by pin shafts assembled in the pin holes, pocket holes of the two single retaining frames are located on the same column all the time, and axial lines of rolling bodies on the same column are all on the same axial line; and pocket holes of the dual retaining frame as the whole body are located on the same column all the time, and the axial lines of the rolling bodies on the same column are all on the same axial line. when the bearing is stressed to rotate, the rolling bodies in each of two columns reach the maximum stressed positions at the same time, so that the rolling bodies in the two columns in the running process are uniformly stressed; and the double-column backing bearing is simple in structure and reasonable in design, and the service life of the bearing is obviously prolonged.

Description

The biserial back lining bearing
Technical field
The present invention relates to a kind of bearing, particularly a kind ofly fit together or the integral duplex retainer, make the axis of two row rolling elements on the same bearing all be in the long-life biserial back lining bearing on the same axis through two simply connected retainers.It is mainly used in equipment such as milling train.
Background technique
Back lining bearing is used on the equipment such as multi-roll mill widely.Because the structural design of bearing is unreasonable, in the time spent of doing of constantly bearing radial support power and axial force, the problem of bearing inner race, outer ring, rolling element premature fatigue often takes place.Once the someone proposed some and was intended to improve the back lining bearing structural design in working life; Like patent announcement number is in " back lining bearing " of CN201228726Y; Disclose a kind of on existing back lining bearing basis improved bearing; Two ends at bearing increase dust cover and seal ring, have formed labyrinth seal structure.This kind method is through lubricating life-saving, improving the bearing problem in working life so can not fundamentally solve.The bearing low defective in working life that the applicant once existed to existing technology; Designing the patent No. is ZL200910013158.1 " back lining bearing "; Disclose a kind of on existing back lining bearing basis improved bearing; The periphery of duplex and simply connected retainer is provided with the pin-and-hole of axial distribution respectively in the bearing; The bearing pin that utilization is assembled in the said pin-and-hole links together duplex and simply connected retainer, and said duplex that fits together and simply connected retainer pocket hole are positioned at same listing all the time, and the same axis that lists said rolling element is all on same axis.Every row rolling element reached the maximum weighted position simultaneously when this kind method made the stressed rotation of three-row bearing, and just every row rolling element is stressed evenly, and every row rolling element maximum weighted value is reduced, and effectively improved bearing working life, but only to three-row bearing.In " the multiple row spherical roller bearing of band retainer " in the Japan Patent of TOHKEMY 2007-303607A, announced, though the retainer pillar is an one, only for solving rolling element and retainer frictional heating problem.Its retainer is the combined integrate utilization structure, has solid strut and same base ring, and retainer whenever lists a plurality of pillars can only be set, and also just can only form a plurality of pockets hole, just makes also that every row rolling element can only be a plurality of on the double row bearing.This is a kind of self-aligning bearing that is fixed in the bearing support, because selfaligning bearing is prone to produce small skew in operation process, the frictional force between rolling element and the retainer is increased gradually, so bearing temperature constantly raises, this will influence bearing working life.It is disclosed just to adopt this composite cage, attempts retainer is processed the structural type with the base ring and the pocket hole pillar of unlike material, reaches the purpose that reduces the frictional force between rolling element and the retainer.Although the base ring of its retainer and pocket hole pillar link together through rivet, employing be composite structure, in fact still formed a kind of rigid bearing with the bearing of its composition.The retainer of this composite structure; Just in order to make its " base ring is different with the material of pocket hole pillar "; Just adopt the structure of " base ring and pocket hole pillar link together through rivet ", and reach the deficiency that overcomes " base ring in retainer band pocket hole and the friction between the rolling element axial end " that former rigid bearing exists and the purpose of its usability of raising with this.It can not be set to " fixed retainer "; " combined type retainer " can only be set; The pocket hole that is to say the double row bearing of its composition is positioned at same listing; Be to make a kind of structural type that this retainer forms naturally, and there is not the problem of " rolling element is discontinuity in operation process " in this rigid bearing.
Summary of the invention
The purpose of this invention is to provide a kind of biserial back lining bearing; It has overcome rolling element discontinuity in operation process that existing technology exists; Cause bearing low defective in working life; And it is simple in structure, reasonable in design, and Location accuracy is high, easy accessibility, significantly improves the working life of bearing.
The technological scheme that the present invention adopted is: this biserial back lining bearing comprises outer ring, inner ring and is assembled in the rolling element between the inside and outside circle through retainer; Its technological points is: said retainer adopts two simply connected retainers to combine or the structure of integral duplex retainer; The periphery of simply connected retainer is provided with the pin-and-hole of axial distribution respectively; The bearing pin that utilization is assembled in the pin-and-hole links together two simply connected retainers; And making the pocket hole of two simply connected retainers be positioned at same listing all the time, the axis of the same rolling element that lists is all on same axis; The pocket hole of integral duplex retainer is positioned at same listing all the time, and the axis of the same rolling element that lists is all on same axis.
Advantage and good effect that the present invention has are: because the present invention can utilize the bearing pin in the two simply connected retainer periphery pin-and-holes; Two simply connected retainers are linked together, make the pocket hole of two simply connected retainers that fit together be positioned at same listing all the time, the axis of the same rolling element that lists is all on same axis; Also can adopt the integral duplex retainer; Make its pocket hole be positioned at same listing all the time, the axis of the same rolling element that lists is all on same axis, so it is simple in structure, reasonable in design; Location accuracy is high, easy accessibility, can make inside and outside circle, rolling element evenly stressed.During the shaft strength rotation; Every row rolling element reaches the maximum weighted position simultaneously on the biserial rolling element; Make each row rolling element stressed even in operation process; Thereby the roller that makes double row bearing rotates to the stressed reduction in any position, and same axis position rolling element is stressed evenly, improves inside and outside circle, rolling element fatigue life.Therefore, the present invention can overcome the bearing low defective in working life that existing technology exists, and reduces maintenance workload, significantly improves the working life of bearing.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described.
Fig. 1 is a kind of structural representation of the double row bearing of a kind of two simply connected retainers formation of the present invention;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the structural representation of a kind of simply connected retainer among Fig. 1;
Fig. 4 is the side view of Fig. 3;
Fig. 5 is the structural representation that two simply connected retainers link together through pin-and-hole, bearing pin;
Fig. 6 is a kind of structural representation of the double row bearing of a kind of integral duplex retainer formation of the present invention;
Fig. 7 is the structural representation of a kind of integral duplex retainer among Fig. 6.
Sequence number explanation among the figure: 1 outer ring, 2 inner rings, 3 rolling elements, 4 simply connected retainers, 5 cage pins, 6 spacer rings (back-up ring), 7 pin-and-holes, 8 bearing pins, 9 integral duplex retainers.
Embodiment
Specify concrete structure of the present invention according to Fig. 1~7.This biserial back lining bearing is improved on existing common shaft bearing structure basis, so be easy to apply.It comprises outer ring 1, inner ring 2 and is assembled in inside and outside circle 2, parts such as rolling element 3, spacer ring (back-up ring) 6 and pin-and-hole 7, bearing pin 8 between 1 through retainer.The specification of each part, size, quantity should be selected to confirm according to designing requirement.The retainer structure that can adopt two simply connected retainers 4 to fit together according to actual usage requirement wherein also can adopt the structure of integral duplex retainer 9.The periphery of the simply connected retainer 4 that employing fits together is provided with the pin-and-hole 7 of axial distribution respectively; The bearing pin 8 that utilization is assembled in the pin-and-hole 7 links together two simply connected retainers 4; And making the pocket hole of two simply connected retainers 4 be positioned at same listing all the time, the axis of the same rolling element that lists 3 is all on same axis.The pocket hole of the integral duplex retainer 9 that adopts is positioned at same listing all the time, and the same axis that lists rolling element 3 is all on same axis.Whenever list the pillar number is set arbitrarily, form any pocket hole number, just make also that every row rolling element number is an arbitrary number on the double row bearing.This biserial back lining bearing is the unconfined flexible bearing in outer ring, and the biserial back lining bearing that is made up of two simply connected retainers 4 has separately cage pin and base ring respectively.The biserial back lining bearing that is made up of integral duplex retainer 9 has separately cage pin and same base ring.
Retainer of the present invention, no matter be two structures that simply connected retainer 4 fits together, or the structure of integral duplex retainer 9; All can make the rolling element 3 stressed unanimity on any position that respectively lists; Therefore, inside and outside circle and the rolling element maximum weighted value having avoided causing because of the rolling element unbalance stress that is interspersed on the existing conventional retainer are excessive, the short-term fatigue phenomenon that very easily produces; Increase inside and outside circle and rolling element fatigue life, prolonged working life.
Biserial back lining bearing of the present invention is not confined to roller bearing shown in the accompanying drawing, and the double row bearing of other types such as tapered roller bearing is stood good.Simultaneously no outer ring or no inner-ring bearing still had same effect.Modes such as its also available pin-and-hole, bearing pin, screw, spring sheet link together two simply connected retainers.

Claims (1)

1. biserial back lining bearing; Comprise outer ring, inner ring and be assembled in the rolling element between the inside and outside circle through retainer; It is characterized in that: said retainer adopts two simply connected retainers to fit together or the structure of integral duplex retainer; The periphery of the simply connected retainer that fits together is provided with the pin-and-hole of axial distribution respectively; The bearing pin that utilization is assembled in the pin-and-hole links together two simply connected retainers, and makes the pocket hole of two simply connected retainers be positioned at same listing all the time, and the axis of the same rolling element that lists is all on same axis; The pocket hole of integral duplex retainer is positioned at same listing all the time, and the same axis that lists rolling element is all on same axis.
CN2012100858367A 2012-03-28 2012-03-28 Double-column backing bearing Pending CN102606625A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012100858367A CN102606625A (en) 2012-03-28 2012-03-28 Double-column backing bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012100858367A CN102606625A (en) 2012-03-28 2012-03-28 Double-column backing bearing

Publications (1)

Publication Number Publication Date
CN102606625A true CN102606625A (en) 2012-07-25

Family

ID=46524282

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012100858367A Pending CN102606625A (en) 2012-03-28 2012-03-28 Double-column backing bearing

Country Status (1)

Country Link
CN (1) CN102606625A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101769309A (en) * 2008-12-26 2010-07-07 大连全鑫轧机轴承制造有限公司 Rolling mill double-row cylinder roller bearing
CN201866102U (en) * 2010-11-30 2011-06-15 瓦房店金峰轴承制造有限公司 Novel double-row cylindrical roller bearing
CN202545566U (en) * 2012-03-28 2012-11-21 袁伟民 Two-row backlining bearing

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101769309A (en) * 2008-12-26 2010-07-07 大连全鑫轧机轴承制造有限公司 Rolling mill double-row cylinder roller bearing
CN201866102U (en) * 2010-11-30 2011-06-15 瓦房店金峰轴承制造有限公司 Novel double-row cylindrical roller bearing
CN202545566U (en) * 2012-03-28 2012-11-21 袁伟民 Two-row backlining bearing

Similar Documents

Publication Publication Date Title
CN101213380A (en) Radial antifriction bearing, particularly a single-row grooved antifriction bearing or angular contact antifriction bearing
CN202545566U (en) Two-row backlining bearing
CN201347963Y (en) Bidirectional thrust conical roller bearing
CN202132382U (en) Self-aligning ball bearing with cylindrical bore
WO2008066454A1 (en) Rolling bearing
CN102606625A (en) Double-column backing bearing
CN104633075A (en) Novel planet wheel assembly transmission mechanism and assembly method thereof
CN103807287A (en) Geometric design method of integral loop four-contact contact ball bearing
CN103821822A (en) Arc-shaped middle shaft cylindrical roller bearing
CN201599311U (en) Novel rolling mill bearing
CN203756727U (en) Wear-resisting bearing
CN101649859B (en) Long-service life backing bearing
CN203743213U (en) Automotive tension wheel and idle wheel bearing
CN201255183Y (en) Single-row spherical roller bearing
CN101799040A (en) Self-pretightening double-row tapered roller bearing
CN202531654U (en) Rolling bearing with combined type retaining rack
CN201815545U (en) Four-row tapered roller bearing without spacer
CN103671507A (en) High-bearing self-aligning roller bearing
CN203670459U (en) Deep groove ball bearing
CN201513469U (en) Long-life back-up bearing
CN102606619A (en) Rolling bearing with combined retainer
CN202851662U (en) Inner hexagonal thread bearing
CN203604436U (en) Cylindrical roller bearing for crane
CN202326714U (en) Novel four-row tapered roller bearing
CN201412449Y (en) Double-row double-outer-ring spherical roller bearing

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20120725