CN107299935A - A kind of concave curved surface structure self-aligning roller bearing and preparation method - Google Patents
A kind of concave curved surface structure self-aligning roller bearing and preparation method Download PDFInfo
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- CN107299935A CN107299935A CN201710751688.0A CN201710751688A CN107299935A CN 107299935 A CN107299935 A CN 107299935A CN 201710751688 A CN201710751688 A CN 201710751688A CN 107299935 A CN107299935 A CN 107299935A
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- Prior art keywords
- roller bearing
- outer ring
- rolling element
- catch
- curved surface
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Support Of The Bearing (AREA)
Abstract
A kind of concave curved surface structure self-aligning roller bearing and preparation method, it is related to construction design of journal bearings field, mainly for small-sized and miniature self-aligning roller bearing and preparation method.The invention aims to solve the problem of existing traditional self-aligning bearing part has intensity difference.A kind of concave curved surface structure self-aligning roller bearing includes outer ring, inner ring, some rolling elements and two catch；Preparation method：First, according to the design requirement of concave curved surface structure self-aligning roller bearing, outer ring relative dimensions, inner ring relative dimensions, catch relative dimensions, the quantity Z of rolling element and rolling element relative dimensions are determined；2nd, the raceway spherical diameter of inner ring is determined；3rd, the radius of curvature and width of rolling element concave curvature arc structure are determined；4th, assemble, i.e., it is complete to obtain concave curved surface structure self-aligning roller bearing.Advantage：First, miniature, compact roller bearing self-regulated heart function is realized.2nd, ensure part strength, lift the bearing capacity of bearing.Present invention is mainly used for prepare concave curved surface structure self-aligning roller bearing.
Description
Technical field
The present invention relates to construction design of journal bearings field, mainly for small-sized and miniature self-aligning roller bearing and preparation method.
Background technology
Self-aligning roller bearing is generally coordinated using spherical roller with spherical raceway, forms revolution aligning structure.Current aligning
Roller bearing uses the structure.When use environment requires that bearing appearance and size is less than normal, self-aligning roller bearing structure space will
It is restricted.Now traditional self-aligning bearing part also declines therewith due to structure limitation difficulty of processing increase, part strength.
The content of the invention
The invention aims to solve the problem of existing traditional self-aligning bearing part has intensity difference, and provide a kind of
Concave curved surface structure self-aligning roller bearing and preparation method.
A kind of concave curved surface structure self-aligning roller bearing includes outer ring, inner ring, some rolling elements and two catch；
The inner ring is placed in outer ring, and some rolling elements are arranged in the gap between inner ring and outer ring, and all rollings
The gap sum of kinetoplast and rolling element is less than the diameter of a rolling element, and inner ring is fixed in outer ring using some rolling elements,
Catch mounting groove is set on the inwall of outer ring, for installing two catch, locked some rolling elements using two catch
It is fixed；
The circumference bus of described some rolling elements is concave curvature arc structure, if the width of rolling element concave curvature arc structure
Spend for Le, the length of rolling element is Lw, then Le:Lw=(0.55~0.65):1；
The raceway of the inner ring is spherical to be set.
A kind of preparation method of concave curved surface structure self-aligning roller bearing, is specifically realized by the following steps：
First, according to the design requirement of concave curved surface structure self-aligning roller bearing, outer ring width C, outer ring outer surface diameter are determined
D, outer ring raceway diameter D1, outer ring raceway width C 1, the rib diameter D2 of catch mounting groove on the inwall of outer ring, on the inwall of outer ring
The groover rot diameter D3 of catch mounting groove, inner race width B, inner ring internal diameter d, catch maximum dimension D c, catch minimum diameter dc, gear
Piece width Bc, catch thickness T, the quantity Z of rolling element, rolling element diameter Dw and rolling body length Lw, it is ensured that D3 ＞ D2 ＞ D1；
2nd, the raceway spherical diameter for determining inner ring is calculated According toValue is carried out, wherein K takes
It is 1.02~1.05 to be worth scope；
3rd, the radius of curvature R w and rolling element concave curvature arc structure that determine rolling element concave curvature arc structure width are calculated
Le is spent, according to Le:Lw=(0.55~0.65):1 couple of Le carries out value, according toRw is taken
Value；
4th, assembled according to being followed successively by inner ring, some rolling elements and outer ring outside interior, it is ensured that all rolling elements with
The gap sum of rolling element is less than the diameter of a rolling element, and two catch will be pressed into outer ring inwall upper stop piece peace using external force
In tankage, that is, assembling is completed, concave curved surface structure self-aligning roller bearing is obtained.
Advantage of the present invention：First, concave curved surface structure self-aligning roller bearing of the present invention excludes size limitation, can realize it is miniature,
Compact roller bearing self-regulated heart function.2nd, the bearing ring of concave curved surface structure aligning roller axle of the present invention need not be removed excessively
Material, it is ensured that part strength, and rolling element does not need support body carrying, rolling element and outer raceway formation Elastic Contact, Ke Yiti
The bearing capacity that lifting shaft is held.
Brief description of the drawings
Fig. 1 is 1 expression outer ring in concave curved surface structure self-aligning roller bearing structural representation of the present invention, figure, and 2 represent inner rings, 3
Rolling element is represented, 4 represent catch；
Fig. 2 is that D is that outer ring outer surface is straight in the outer ring structure schematic diagram of concave curved surface structure self-aligning roller bearing of the present invention, figure
Footpath, D1 is outer ring raceway diameter, and D2 is the rib diameter of the catch mounting groove on the inwall of outer ring, and D3 is the catch on the inwall of outer ring
The groover rot diameter of mounting groove, C is outer ring width, and C1 is outer ring raceway width；
Fig. 3 is that B is inner race width in the inner ring structure schematic diagram of concave curved surface structure self-aligning roller bearing of the present invention, figure, and d is
Inner ring internal diameter,For inner ring raceway spherical diameter；
Fig. 4 is that Dc is that catch is maximum straight in the baffle structure schematic diagram of concave curved surface structure self-aligning roller bearing of the present invention, figure
Footpath, dc is catch minimum diameter, and Bc is catch width, and T is catch thickness；
Fig. 5 is that Dw is that rolling element is straight in the rolling element structural representation of concave curved surface structure self-aligning roller bearing of the present invention, figure
Footpath, Lw is rolls body length, and Rw is the radius of curvature of rolling element concave curvature arc structure, and Le is rolling element concave curvature arc structure
Width.
Embodiment
Embodiment one：Present embodiment is a kind of concave curved surface structure self-aligning roller bearing, and it includes outer ring 1, interior
Circle 2, some rolling elements 3 and two catch 4；
The inner ring 2 is placed in outer ring 1, and some rolling elements 3 are arranged in the gap between inner ring 2 and outer ring 1, if using
Inner ring 2 is fixed in outer ring 1 by dry milling kinetoplast 3, and all rolling elements 3 and the gap sum of rolling element 3 are less than a rolling
The diameter of body 3, sets catch mounting groove on the inwall of outer ring 1, for installing two catch 4, if using two catch 4 by dry milling
Kinetoplast 3 is locked；
The circumference bus of described some rolling elements 3 is concave curvature arc structure, if the concave curvature arc structure of rolling element 3
Width is Le, and the length of rolling element 3 is Lw, then Le:Lw=(0.55~0.65):1；
The raceway of the inner ring 2 is spherical to be set.
Present embodiment concave curved surface structure self-aligning roller bearing excludes size limitation, can realize miniature, small-sized Roller Shaft
Hold self-regulated heart function.
The bearing ring of present embodiment concave curved surface structure aligning roller axle need not excessively remove material, it is ensured that part is strong
Degree, and rolling element does not need support body carrying, rolling element and outer raceway formation Elastic Contact, can lift the carrying energy of bearing
Power.
Embodiment two：The difference of present embodiment and embodiment one is：If the raceway sphere of inner ring 2
It is a diameter ofIf the radius of curvature of the concave curvature arc structure of rolling element 3 is Rw, thenOther with
Embodiment one is identical.
Embodiment three：Present embodiment is a kind of preparation method of concave curved surface structure self-aligning roller bearing, specifically
Complete according to the following steps：
First, according to the design requirement of concave curved surface structure self-aligning roller bearing, determine that the width C of outer ring 1, the outer surface of outer ring 1 are straight
Footpath D, the raceway diameter D1 of outer ring 1, the raceway width C 1 of outer ring 1, the rib diameter D2 of catch mounting groove on the inwall of outer ring 1, outer ring 1
The groover rot diameter D3 of catch mounting groove on inwall, the width B of inner ring 2, the internal diameter d of inner ring 2, the maximum dimension D c of catch 4, catch 4 are most
Minor diameter dc, the width Bc of catch 4, the thickness T of catch 4, the quantity Z of rolling element 3, the diameter Dw of rolling element 3 and the length Lw of rolling element 3,
Ensure D3 ＞ D2 ＞ D1；
2nd, the raceway spherical diameter for determining inner ring 2 is calculated According toCarry out value, wherein K
Span is 1.02~1.05；
3rd, the radius of curvature R w and rolling element 3 concave curvature arc structure for determining the concave curvature arc structure of rolling element 3 are calculated
Width Le, according to Le:Lw=(0.55~0.65):1 couple of Le carries out value, according toRw is carried out
Value；
4th, assembled according to being followed successively by inner ring 2, some rolling elements 3 and outer ring 1 outside interior, it is ensured that all rollings
The gap sum of body 3 and rolling element 3 is less than the diameter of a rolling element 3, and two catch 4 will be pressed into outer ring 1 using external force
In wall upper stop piece mounting groove, that is, assembling is completed, concave curved surface structure self-aligning roller bearing is obtained.
Embodiment four：The difference of present embodiment and embodiment three is：The concave curved that step 4 is obtained
The aligning function of face structure aligning roller axle is maximum ± 10 °.Other are identical with embodiment three.
Embodiment five：One of present embodiment and embodiment three or four difference is：Institute in step one
State outer ring 1, inner ring 2 and rolling element 3 to process using conventional bearings steel, the catch 4 is processed using stamping steel plate.Its
He is identical with embodiment three or four.
Present invention is not limited only to the content of the respective embodiments described above, the group of one of them or several embodiments
Contract sample can also realize the purpose of invention.
Embodiment 1：A kind of concave curved surface structure self-aligning roller bearing includes outer ring 1, inner ring 2, some rolling elements 3 and two gears
Piece 4；
The inner ring 2 is placed in outer ring 1, and some rolling elements 3 are arranged in the gap between inner ring 2 and outer ring 1, if using
Inner ring 2 is fixed in outer ring 1 by dry milling kinetoplast 3, and all rolling elements 3 and the gap sum of rolling element 3 are less than a rolling
The diameter of body 3, sets catch mounting groove on the inwall of outer ring 1, for installing two catch 4, if using two catch 4 by dry milling
Kinetoplast 3 is locked.
The circumference bus of some rolling elements 3 described in the present embodiment is concave curvature arc structure, if the concave curvature of rolling element 3 is justified
The width of arc structure is Le, and the length of rolling element 3 is Lw, then Le:Lw=(0.55~0.65):1.
The raceway of inner ring 2 described in the present embodiment is spherical to be set；If the raceway spherical diameter of inner ring 2 isIf rolling element 3
The radius of curvature of concave curvature arc structure is Rw, then
Embodiment 2：A kind of preparation method of concave curved surface structure self-aligning roller bearing, is specifically realized by the following steps：
First, according to the design requirement of concave curved surface structure self-aligning roller bearing, determine that the width C of outer ring 1, the outer surface of outer ring 1 are straight
Footpath D, the raceway diameter D1 of outer ring 1, the raceway width C 1 of outer ring 1, the rib diameter D2 of catch mounting groove on the inwall of outer ring 1, outer ring 1
The groover rot diameter D3 of catch mounting groove on inwall, the width B of inner ring 2, the internal diameter d of inner ring 2, the maximum dimension D c of catch 4, catch 4 are most
Minor diameter dc, the width Bc of catch 4, the thickness T of catch 4, the quantity Z of rolling element 3, the diameter Dw of rolling element 3 and the length Lw of rolling element 3,
Ensure D3 ＞ D2 ＞ D1；
2nd, the raceway spherical diameter for determining inner ring 2 is calculated According toCarry out value, wherein K
Span is 1.02~1.05；
3rd, the radius of curvature R w and rolling element 3 concave curvature arc structure for determining the concave curvature arc structure of rolling element 3 are calculated
Width Le, value is carried out according to Le, according toValue is carried out to Rw；
4th, assembled according to being followed successively by inner ring 2, some rolling elements 3 and outer ring 1 outside interior, it is ensured that all rollings
The gap sum of body 3 and rolling element 3 is less than the diameter of a rolling element 3, and two catch 4 will be pressed into outer ring 1 using external force
In wall upper stop piece mounting groove, that is, assembling is completed, concave curved surface structure self-aligning roller bearing is obtained.
The concave curved surface structure aligning roller axle aligning function that the present embodiment step 4 is obtained is maximum ± 10 °.
Outer ring 1 described in the present embodiment step one, inner ring 2 and rolling element 3 are processed using conventional bearings steel, the gear
Piece 4 is processed using stamping steel plate.
Claims (5)
1. a kind of concave curved surface structure self-aligning roller bearing, it is characterised in that concave curved surface structure self-aligning roller bearing include outer ring (1),
Inner ring (2), some rolling elements (3) and two catch (4)；
The inner ring (2) is placed in outer ring (1), and some rolling elements (3) are arranged in the gap between inner ring (2) and outer ring (1),
And the gap sum of all rolling elements (3) and rolling element (3) is less than the diameter of a rolling element (3), utilizes some rolling elements
(3) inner ring (2) is fixed in outer ring (1), catch mounting groove is set on outer ring (1) inwall, for installing two catch
(4), some rolling elements (3) are locked using two catch (4)；
The circumference bus of described some rolling elements (3) is concave curvature arc structure, if rolling element (3) concave curvature arc structure
Width is Le, and the length of rolling element (3) is Lw, then Le:Lw=(0.55~0.65):1；The raceway of the inner ring (2) is spherical
Set.
2. a kind of concave curved surface structure self-aligning roller bearing according to claim 1, it is characterised in that set the raceway of inner ring (2)
Spherical diameter isIf the radius of curvature of rolling element (3) concave curvature arc structure is Rw, then
3. a kind of a kind of preparation method of concave curved surface structure self-aligning roller bearing as claimed in claim 1, it is characterised in that concave curved
The preparation method of face structure self-aligning roller bearing is completed according to the following steps：
First, according to the design requirement of concave curved surface structure self-aligning roller bearing, determine that outer ring (1) width C, outer ring (1) outer surface are straight
Footpath D, outer ring (1) raceway diameter D1, outer ring (1) raceway width C 1, the rib diameter of catch mounting groove on outer ring (1) inwall
D2, the groover rot diameter D3 of catch mounting groove on outer ring (1) inwall, inner ring (2) width B, inner ring (2) internal diameter d, catch (4) are most
Major diameter Dc, catch (4) minimum diameter dc, catch (4) width Bc, catch (4) thickness T, quantity Z, the rolling element of rolling element (3)
(3) diameter Dw and rolling element (3) length Lw, it is ensured that D3 ＞ D2 ＞ D1；
2nd, the raceway spherical diameter for determining inner ring (2) is calculatedAccording toValue is carried out, wherein K takes
It is 1.02~1.05 to be worth scope；
3rd, the radius of curvature R w and rolling element (3) concave curvature arc structure for determining rolling element (3) concave curvature arc structure are calculated
Width Le, according to Le:Lw=(0.55~0.65):1 couple of Le carries out value, according toRw is carried out
Value；
4th, assembled according to being followed successively by inner ring (2), some rolling elements (3) and outer ring (1) outside interior, it is ensured that all rollings
The gap sum of kinetoplast (3) and rolling element (3) is less than the diameter of a rolling element (3), will be pressed two catch (4) using external force
Enter in outer ring (1) inwall upper stop piece mounting groove, that is, complete assembling, obtain concave curved surface structure self-aligning roller bearing.
4. a kind of preparation method of concave curved surface structure self-aligning roller bearing according to claim 3, it is characterised in that step
The aligning function of four obtained concave curved surface structure aligning roller axles is maximum ± 10 °.
5. a kind of preparation method of concave curved surface structure self-aligning roller bearing according to claim 3, it is characterised in that step
Outer ring described in one (1), inner ring (2) and rolling element (3) are processed using bearing steel, and the catch (4) uses stamping steel plate
Process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710751688.0A CN107299935A (en) | 2017-08-28 | 2017-08-28 | A kind of concave curved surface structure self-aligning roller bearing and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710751688.0A CN107299935A (en) | 2017-08-28 | 2017-08-28 | A kind of concave curved surface structure self-aligning roller bearing and preparation method |
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| Publication Number | Publication Date |
|---|---|
| CN107299935A true CN107299935A (en) | 2017-10-27 |
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ID=60132609
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710751688.0A Pending CN107299935A (en) | 2017-08-28 | 2017-08-28 | A kind of concave curved surface structure self-aligning roller bearing and preparation method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE359464C (en) * | 1918-05-17 | 1922-09-23 | Rheinland A G Maschf | Roller bearings |
| GB747314A (en) * | 1954-05-20 | 1956-04-04 | British Timken Ltd | Improvements relating to tapered roller bearings |
| CN2193946Y (en) * | 1993-12-09 | 1995-04-05 | 李民安 | Concave roller bearing |
| US5441351A (en) * | 1993-10-26 | 1995-08-15 | Rexnord Corporation | Full complement self-aligning roller bearing |
| CN2911302Y (en) * | 2006-02-15 | 2007-06-13 | 李云山 | Bearing for narrow steel strip rolling mill |
| CN102734318A (en) * | 2011-04-14 | 2012-10-17 | 孙晓峰 | Full-roller tapered roller bearing without retainer |
-
2017
- 2017-08-28 CN CN201710751688.0A patent/CN107299935A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE359464C (en) * | 1918-05-17 | 1922-09-23 | Rheinland A G Maschf | Roller bearings |
| GB747314A (en) * | 1954-05-20 | 1956-04-04 | British Timken Ltd | Improvements relating to tapered roller bearings |
| US5441351A (en) * | 1993-10-26 | 1995-08-15 | Rexnord Corporation | Full complement self-aligning roller bearing |
| CN2193946Y (en) * | 1993-12-09 | 1995-04-05 | 李民安 | Concave roller bearing |
| CN2911302Y (en) * | 2006-02-15 | 2007-06-13 | 李云山 | Bearing for narrow steel strip rolling mill |
| CN102734318A (en) * | 2011-04-14 | 2012-10-17 | 孙晓峰 | Full-roller tapered roller bearing without retainer |
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Application publication date: 20171027 |
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