CN206754152U - Double-row self-aligning roller bearing and its retainer - Google Patents
Double-row self-aligning roller bearing and its retainer Download PDFInfo
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- CN206754152U CN206754152U CN201720570589.8U CN201720570589U CN206754152U CN 206754152 U CN206754152 U CN 206754152U CN 201720570589 U CN201720570589 U CN 201720570589U CN 206754152 U CN206754152 U CN 206754152U
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- hole
- retainer
- annular frame
- roller bearing
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Abstract
It the utility model is related to a kind of double-row self-aligning roller bearing, including outer ring, inner ring, retainer and two row drum-shaped rolling bodies, the inner peripheral surface of outer ring is ball-shaped surface, the outer circumference surface of inner ring is provided with two interior raceways, the guide surface of interior raceway is the cambered surface being adapted to the outer peripheral face of drum-shaped rolling body, the radial centre lines of interior raceway and the radial centre lines of inner ring make an angle alpha, retainer includes the annular frame for circumferentially carrying plurality of pockets, there is pocket bar between adjacent pocket hole, pocket hole includes cylindrical hole and the sphere type hole arranged successively along retainer pocket depth direction, the hole wall of cylindrical hole is tangent with the hole wall of sphere type hole and smoothes out and is connected, it is in axially towards the inclined inclined plane in pocket orifice part direction from internal side diameter to outside diameter that the bottom wall in pocket hole, which is, angle between inclined plane and the axial line of annular frame is equal to angle α.Additionally provide the retainer of said structure.It is reasonable in design with retainer, it is applicable the advantages of effect is good, service life is long.
Description
Technical field
Technical field of bearings is the utility model is related to, is specifically double-row self-aligning roller bearing and its retainer.
Background technology
Self-aligning roller bearing in the market at present, the overwhelming majority are CA type retainers, i.e. car entity alloy copper cage, this
Disclosure satisfy that requirements under kind of structure in general occasion, but requiring the higher occasion of rotating speed, particularly close to limit speed when, original
Airframe bearing cannot meet require that, failure phenomenon just occurs for the part such as retainer when often occurring being not up to bearing life.
The content of the invention
The present utility model purpose：The defects of to overcome prior art to exist, the utility model provide a kind of retainer
It is reasonable in design, it is applicable that effect is good, the double-row self-aligning roller bearing of service life length.
To achieve the above object, the utility model provides following technical scheme：
A kind of double-row self-aligning roller bearing, including outer ring, inner ring, retainer and two row drum-shaped rolling bodies, drum-shaped rolling
Body is held between outer ring and inner ring through retainer, and the inner peripheral surface of the outer ring is what is be adapted to the outer peripheral face of drum-shaped rolling body
Ball-shaped surface, the outer circumference surface of inner ring are provided with two and correspond the interior raceway coordinated with two row drum-shaped rolling bodies, interior raceway
Guide surface is the cambered surface being adapted to the outer peripheral face of drum-shaped rolling body, and the radial centre lines of interior raceway and the radial centre lines of inner ring are in
Angle α, it is characterised in that：The retainer includes annular frame, circumferentially arranged with some supply drum-shaped rollings on annular frame
The pocket hole that body is placed, there is pocket bar, the pocket hole including arranging successively along retainer pocket depth direction between adjacent pocket hole
The cylindrical hole and sphere type hole of cloth, the hole wall of cylindrical hole is tangent with the hole wall of sphere type hole and smoothes out and is connected, the pocket
It is in axially towards the inclined inclined plane in pocket orifice part direction, inclined plane and toroidal frame from internal side diameter to outside diameter that the bottom wall in hole, which is,
Angle between the axial line of body is equal to the angle α.
By using above-mentioned technical proposal, sphere type hole is good to the pardon of rolling element, and the run stability of rolling element is good,
Ensure the aligning performance of self-aligning roller bearing, turn round flexibility, job stability, the bottom wall in pocket hole is inclined-plane, is so formed for rolling
Bearing pressure angle after kinetoplast cooperation, improve the bearing capacity and functional reliability of bearing.
Preferably, the described drum-shaped rolling body of two row, which corresponds, is combined with separate retainer.The structure design
Under, two row drum-shaped rolling bodies match somebody with somebody separate retainer, do not disturb mutually, improve maintainability, particularly Motion Field
Use in conjunction.
Preferably, the end face of the pocket bar has the scarf parallel with the pocket bottom hole wall.Under the structure design, pocket
The end face of hole beam also has bearing pressure angle simultaneously, and cutter is felt relieved when being easy to retainer brill pocket hole, ensures pockets processing technique
Performance and pocket hole center-diameter size are accurate.
Preferably, the external diameter lateral circle surface of the annular frame is the arc that is adapted to the ball-shaped surface of outer ring, the ball-type of outer ring
The outside diameter circumferential contact of face and annular frame is to guide the annular frame.Under the structure design, retainer passes through outer ring
Ball-shaped surface is adapted to, and is realized guiding of the outer ring to retainer, is improved the stability and reliability of bearing working, is had in vibrations occasion
To retainer centralizing function, reach anti-vibration effect.
Preferably, there is middle spacer ring between two interior raceways, the axial both ends of the inner ring are respectively provided with higher than interior rolling
The outer back-up ring in road face.Under the structure design, guiding effect of the raceway to rolling element is improved.
The utility model also provides a kind of aligning roller bearing retainer, including annular frame, on annular frame circumferentially
Provided with some pocket holes for supplying rolling elements and placing, there is pocket bar between adjacent pocket hole, it is characterised in that：The pocket hole includes edge
Cylindrical hole and the sphere type hole that retainer pocket depth direction is arranged successively, hole wall and the sphere type hole of cylindrical hole
Hole wall is tangent and smoothes out connection, and it is in incline axially towards pocket orifice part direction from internal side diameter to outside diameter that the bottom wall in the pocket hole, which is,
Oblique inclined plane.
By using above-mentioned technical proposal, sphere type hole is good to the pardon of rolling element, and the run stability of rolling element is good,
Ensure the aligning performance of self-aligning roller bearing, turn round flexibility, job stability, the bottom wall in pocket hole is inclined-plane, is so formed for rolling
Bearing pressure angle after kinetoplast cooperation, improve the bearing capacity and functional reliability of bearing.
Preferably, the end face of the pocket bar has the scarf parallel with the pocket bottom hole wall.Under the structure design, pocket
The end face of hole beam also has bearing pressure angle simultaneously, and cutter is felt relieved when being easy to retainer brill pocket hole, ensures pockets processing technique
Performance and pocket hole center-diameter size are accurate.
Preferably, arc of the outside diameter periphery of described annular frame into the ball-type roller surface adaptation guiding for outer ring
Shape.Under the structure design, realize that annular frame can be guided by outer ring, improve the stability and reliability of bearing working, shaking
Occasion has to retainer centralizing function, reaches anti-vibration effect.
The utility model is further described below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the utility model concrete example double-row self-aligning roller bearing structural representation；
Fig. 2 is the retainer structural representation of the utility model concrete example self-aligning roller bearing；
Fig. 3 is the profile of the line A-A cutting along Fig. 2.
Embodiment
Referring to accompanying drawing 1 to accompanying drawing 3, a kind of double-row self-aligning roller bearing disclosed in the utility model, including outer ring 1, inner ring
2nd, the row drum-shaped rolling body 4 of retainer 3 and two, drum-shaped rolling body 4 is held between outer ring 1 and inner ring 2 through retainer 3, described
The inner peripheral surface of outer ring 1 is the ball-shaped surface 11 being adapted to the outer peripheral face of drum-shaped rolling body 4, and the outer circumference surface of inner ring 2 is provided with two
Individual to correspond the interior raceway 21 coordinated with two row drum-shaped rolling bodies 4, the guide surface of interior raceway 21 is outer with drum-shaped rolling body 4
The cambered surface of side face adaptation, the radial centre lines and the radial centre lines of inner ring 2 of interior raceway 21 make an angle alpha, and the angle α is bearing pressure
Power angle, wherein, the retainer 3 includes annular frame 31, circumferentially arranged with some supply drum-shaped rolling bodies 4 on annular frame 31
The pocket hole 32 of placement, has pocket bar 33 between adjacent pocket hole 32, and the pocket hole 32 is included along the depth side of retainer pocket hole 32
To the cylindrical hole 321 and sphere type hole 322 arranged successively, the hole wall of cylindrical hole 321 and the hole wall phase of sphere type hole 322
Cut and smooth out connection, it is in axially towards the oral area direction of pocket hole 32 from internal side diameter to outside diameter that the bottom wall 323 in the pocket hole 32, which is,
Angle between the axial line of inclined inclined plane, inclined-plane 323 and annular frame 31（If the angle in Fig. 2 is α）Equal to described
Angle α.Sphere type hole is good to the pardon of rolling element, and the run stability of rolling element is good, ensures the aligning of self-aligning roller bearing
Property, revolution flexibility, job stability, the bottom wall in pocket hole be inclined-plane, so formed supply rolling element cooperation after bearing pressure angle,
Improve the bearing capacity and functional reliability of bearing.There is middle spacer ring 22, the inner ring 2 between two interior raceways 21
Axial both ends be respectively provided with the outer back-up ring 23 higher than the interior face of raceway 21.The guiding reliability to two row drum-shaped rolling bodies is improved, is carried
The stability and reliability of high bearing working.
The described drum-shaped rolling body 4 of two row, which corresponds, is combined with separate retainer 3.Two row drum-shaped rolling bodies 4
With separate retainer 3, do not disturb mutually, improve maintainability, particularly shake the use in occasion.The ring
The external diameter lateral circle surface 311 of shape support body 31 is the arc that is adapted to the ball-shaped surface 11 of outer ring 1, the ball-shaped surface 11 and toroidal frame of outer ring 1
The external diameter lateral circle surface 311 of body 31 is contacted to guide the annular frame 31.Under the structure design, ball-type that retainer passes through outer ring
Face is adapted to, and is realized guiding of the outer ring to retainer, is improved the stability and reliability of bearing working, is had in vibrations occasion to protecting
Frame centralizing function is held, reaches anti-vibration effect.
The end face of the pocket bar 33 has the scarf 331 parallel with the pocket bottom hole wall.Under the structure design, pocket hole
The end face of beam also has bearing pressure angle simultaneously, and cutter is felt relieved when being easy to retainer brill pocket hole, ensures pockets processing manufacturability
Can be accurate with pocket hole center-diameter size.
The utility model also provides a kind of aligning roller bearing retainer, and its structure is retouched in detail above-mentioned
State, therefore repeat no more.
Double-row self-aligning roller bearing of the present utility model, its combination property temperature rise, radiating, noise, height in operation
The lower bearing better than traditional retainer of speed.
Claims (10)
1. a kind of double-row self-aligning roller bearing, including outer ring, inner ring, retainer and two row drum-shaped rolling bodies, drum-shaped rolling body
It is held in through retainer between outer ring and inner ring, the inner peripheral surface of the outer ring is the ball being adapted to the outer peripheral face of drum-shaped rolling body
Type face, the outer circumference surface of inner ring are provided with two and correspond the interior raceway coordinated with two row drum-shaped rolling bodies, and interior raceway draws
Guide face is the cambered surface being adapted to the outer peripheral face of drum-shaped rolling body, the radial centre lines of interior raceway and the radial centre lines of inner ring in folder
Angle α, it is characterised in that：The retainer includes annular frame, circumferentially arranged with some supply drum-shaped rolling bodies on annular frame
The pocket hole of placement, has pocket bar between adjacent pocket hole, and the pocket hole includes arranging successively along retainer pocket depth direction
Cylindrical hole and sphere type hole, the hole wall of cylindrical hole is tangent with the hole wall of sphere type hole and smoothes out and is connected, the pocket hole
Bottom wall be from internal side diameter to outside diameter be in axially towards the inclined inclined plane in pocket orifice part direction, inclined plane and annular frame
Axial line between angle be equal to the angle α.
2. double-row self-aligning roller bearing according to claim 1, it is characterised in that：A pair of drum-shaped rolling body 1 described in two row
Separate retainer should be combined with.
3. double-row self-aligning roller bearing according to claim 1 or claim 2, it is characterised in that：The end face of the pocket bar have with
The parallel scarf of the pocket bottom hole wall.
4. double-row self-aligning roller bearing according to claim 1 or claim 2, it is characterised in that：The outside diameter week of the annular frame
Face is that the arc being adapted to the ball-shaped surface of outer ring, the ball-shaped surface of outer ring and the outside diameter circumferential contact of annular frame are described to guide
Annular frame.
5. double-row self-aligning roller bearing according to claim 3, it is characterised in that：The external diameter lateral circle surface of the annular frame is
The arc being adapted to the ball-shaped surface of outer ring, the ball-shaped surface of outer ring and the outside diameter circumferential contact of annular frame are to guide the annular
Support body.
6. double-row self-aligning roller bearing according to claim 1 or claim 2, it is characterised in that in having between two interior raceways
Spacer ring, the axial both ends of the inner ring are respectively provided with the outer back-up ring higher than interior roller surface.
7. double-row self-aligning roller bearing according to claim 4, it is characterised in that there is interval between two interior raceways
Circle, the axial both ends of the inner ring are respectively provided with the outer back-up ring higher than interior roller surface.
8. a kind of aligning roller bearing retainer, including annular frame, circumferentially arranged with some supply rolling elements on annular frame
The pocket hole of placement, there is pocket bar between adjacent pocket hole, it is characterised in that：The pocket hole is included along retainer pocket depth side
To the cylindrical hole and sphere type hole arranged successively, the hole wall of cylindrical hole and the hole wall of sphere type hole be tangent and the company of smooth-going
Connect, it is in axially towards the inclined inclined plane in pocket orifice part direction from internal side diameter to outside diameter that the bottom wall in the pocket hole, which is,.
9. aligning roller bearing retainer according to claim 8, it is characterised in that：The end face of the pocket bar has and institute
State the parallel scarf of pocket bottom hole wall.
10. aligning roller bearing retainer according to claim 8 or claim 9, it is characterised in that：The external diameter of described annular frame
Arc of the side periphery into the ball-type roller surface adaptation guiding for outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720570589.8U CN206754152U (en) | 2017-05-22 | 2017-05-22 | Double-row self-aligning roller bearing and its retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720570589.8U CN206754152U (en) | 2017-05-22 | 2017-05-22 | Double-row self-aligning roller bearing and its retainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206754152U true CN206754152U (en) | 2017-12-15 |
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ID=60619023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720570589.8U Active CN206754152U (en) | 2017-05-22 | 2017-05-22 | Double-row self-aligning roller bearing and its retainer |
Country Status (1)
| Country | Link |
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| CN (1) | CN206754152U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062920A (en) * | 2021-04-20 | 2021-07-02 | 马鞍山方圆精密机械有限公司 | Center-adjusting type slewing bearing for heavy load |
| WO2024119324A1 (en) * | 2022-12-05 | 2024-06-13 | 舍弗勒技术股份两合公司 | Bearing |
-
2017
- 2017-05-22 CN CN201720570589.8U patent/CN206754152U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062920A (en) * | 2021-04-20 | 2021-07-02 | 马鞍山方圆精密机械有限公司 | Center-adjusting type slewing bearing for heavy load |
| CN113062920B (en) * | 2021-04-20 | 2024-05-10 | 马鞍山方圆精密机械有限公司 | Pivoting support for aligning heavy load |
| WO2024119324A1 (en) * | 2022-12-05 | 2024-06-13 | 舍弗勒技术股份两合公司 | Bearing |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 Wenzhou economic and Technological Development Zone, Wenzhou, Wenzhou, Zhejiang Province, No. 515, seashore Patentee after: C&U Co.,Ltd. Patentee after: SHANGHAI C&U GROUP Co.,Ltd. Address before: 325000 Wenzhou economic and Technological Development Zone, Wenzhou, Wenzhou, Zhejiang Province, No. 515, seashore Patentee before: C & U Group Ltd. Patentee before: SHANGHAI C&U GROUP Co.,Ltd. |