CN201100314Y - Center-adjusting roller bearing with acentric cover - Google Patents
Center-adjusting roller bearing with acentric cover Download PDFInfo
- Publication number
- CN201100314Y CN201100314Y CNU2007200466793U CN200720046679U CN201100314Y CN 201100314 Y CN201100314 Y CN 201100314Y CN U2007200466793 U CNU2007200466793 U CN U2007200466793U CN 200720046679 U CN200720046679 U CN 200720046679U CN 201100314 Y CN201100314 Y CN 201100314Y
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- China
- Prior art keywords
- ring
- inner ring
- outside
- center line
- locking back
- Prior art date
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- Expired - Fee Related
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- Support Of The Bearing (AREA)
Abstract
The utility model discloses a self-aligning roller bearing which has an eccentric bushing and can adjust the inside clearance, which comprises an inner ring, an outer ring, holders and rollers, wherein the holders are two stamping iron holders, a moveable septal ring is arranged between the two holders, pockets are evenly distributed on the holders, and the rollers are arranged in the pockets. The self-aligning roller bearing is characterized in that the length of the inner ring is larger than that of the outer ring, an extended end of the inner ring has a locking retainer ring, a radial screw hole is arranged on the locking retainer ring, a fastening screw is arranged in the radial screw hole, circumferential steps are respectively arranged on an inner circle arranged on one end of the locking retainer ring and an outer circle arranged on the extended end of the inner ring, the diameter of the outer circle of the section which is arranged outside the steps of the extended end of the inner ring and one end of the locking retainer ring becomes evenly and gradually larger from inside to outside for forming conical sections which are internally small and externally large, after the two conical sections are engaged, gaps are left, a biased distance is respectively provided between the conical section of the inner ring and a center line and between the conical section of the locking retainer ring and the center line, the two biased distances are the same, and the biased distance is the same with the gap. The self-aligning roller bearing has the advantages of easy mounting and no damages to shafts.
Description
Technical field
The utility model relates to a kind of roller bearing.Specifically, be the selfaligning roller bearing that has eccentric bushing of adjustable inside play.
Background technique
At present, the various roller bearings that mechanically use all are to be made of inner ring, outer ring, retainer and some rollers.Retainer wherein is made up of two punching press iron retainers, and spacer ring in the activity is arranged between two retainers.Be evenly equipped with the pocket hole on the retainer, and cross-shaped layout between the pocket hole on two pressing cages.Roller is the symmetry properties spherical roller, they are dolioform, its two ends are the plane, the bus of its outer side surface is a circular arc, be between the pocket hole of its outer side surface and retainer both sides and be slidingly matched, the outer end of its vertical center line and the spacing between inner ring be less than the inner of its vertical center line and the spacing between inner ring, thus make they vertical center line and inner ring, outer ring axially between all form angle, and leave the gap between roller and Internal and external cycle.Because the endoporus tolerance of size of above-mentioned bearing adopts negative common difference, makes that bearing and cooperating of main shaft are interference fit.When axle is become to be installed on the main shaft, need to adopt hydraulic pressure, heating and, not only install the comparison difficulty, and destroy the main shaft surface easily with methods such as sleeve directly knock.
The model utility content
Problem to be solved in the utility model provides a kind of selfaligning roller bearing with eccentric bushing.This selfaligning roller bearing is installed easily, can not damaged main shaft.
For addressing the above problem, take following technological scheme:
The selfaligning roller bearing of band eccentric bushing of the present utility model is made of inner ring, outer ring, retainer and some rollers, and retainer wherein is made up of two punching press iron retainers, and spacer ring in the activity is arranged between two retainers.Be evenly equipped with the pocket hole on the retainer, and cross-shaped layout between the pocket hole on two pressing cages.Roller is the symmetry properties spherical roller, they are dolioform, its two ends are the plane, the bus of its outer side surface is a circular arc, be between the pocket hole of its outer side surface and retainer and be slidingly matched, the outer end of its vertical center line and the spacing between inner ring be less than the inner of its vertical center line and the spacing between inner ring, thus make they vertical center line and inner ring, outer ring axially between all form angle.The length that is characterized in inner ring is greater than the outer ring, and the external part of inner ring is furnished with the locking back-up ring.On the locking back-up ring radially screw is arranged, radially be furnished with fastening screw trip bolt in the screw.Circle upward and on the external part cylindrical of inner ring has circumferential step respectively in one end of locking back-up ring, thereby outer the change gradually forms inner small and outside big conical section greatly to that section outside diameter by the lining outside the step of inner ring external part and locking back-up ring one end, and that section outside diameter is less than that section outside diameter outside the step of locking back-up ring one end outside the step of inner ring external part, forms the gap after making the two cooperation.Outside the step of inner ring external part outside the step of the centreline space of that section cylindrical center line and inner ring and locking back-up ring one end that section cylindrical center line all have deviation distance and the deviation distance of the two to equate with the centreline space of locking back-up ring, this deviation distance equates with described gap.
Take such scheme, have the following advantages:
Because the selfaligning roller bearing of band eccentric bushing of the present utility model, the length of its inner ring is greater than the outer ring, and the external part of inner ring is furnished with the locking back-up ring.On the locking back-up ring radially screw is arranged, radially be furnished with fastening screw trip bolt in the screw.Circle upward and on the external part cylindrical of inner ring has circumferential step respectively in one end of locking back-up ring, thereby outer the change gradually forms inner small and outside big conical section greatly to that section outside diameter by the lining outside the step of inner ring external part and locking back-up ring one end, and that section outside diameter is less than that section outside diameter outside the step of locking back-up ring one end outside the step of inner ring external part, forms the gap after making the two cooperation.Outside the step of inner ring external part outside the step of the centreline space of that section cylindrical center line and inner ring and locking back-up ring one end that section cylindrical center line all have deviation distance and the deviation distance of the two to equate with the centreline space of locking back-up ring, this deviation distance equates with described gap.Make between inner ring and main shaft it can is Spielpassung, just can realize it is installed on the main shaft without methods such as hydraulic pressure, heating and sleeve knock, not only easy for installation, and can not damage axle.
Description of drawings
Accompanying drawing is a wide inner ring selfaligning roller bearing structural representation of the present utility model.
Embodiment
As shown in drawings, the selfaligning roller bearing of band eccentric bushing of the present utility model is made of inner ring 3, outer ring 7, retainer and some rollers 9.Retainer wherein is made up of two punching press iron retainers 8, and two 8 of punching press iron retainers are equipped with spacer ring 6 in the activity; Be evenly equipped with the pocket hole on the retainer, and cross-shaped layout between the pocket hole on two pressing cages 8.Roller 9 is the symmetry properties spherical roller, they are dolioform, its two ends are the plane, the bus of its outer side surface is a circular arc, be between the pocket hole of its outer side surface and retainer and be slidingly matched, the spacing that the outer end of its vertical center line and inner ring are 3 is less than the spacing of 3 of the inner of its vertical center line and inner rings, thus make they vertical center line and inner ring 3, outer ring 7 axially between all form angle.The length of inner ring 3 is greater than outer ring 7, and the external part of inner ring 3 is furnished with locking back-up ring 4.On the locking back-up ring 4 radially screw is arranged, radially be furnished with fastening screw trip bolt 5 in the screw.Circle upward and on the external part cylindrical of inner ring 3 has circumferential step respectively in one end of locking back-up ring 4, thereby outer the change gradually forms inner small and outside big conical section greatly to that section outside diameter by the lining outside the step of inner ring 3 external parts and locking back-up ring 4 one ends, and that section outside diameter is less than that section outside diameter outside the step of locking back-up ring 4 one ends outside the step of inner ring 3 external parts, forms gap 1 after making the two cooperation.Outside the step of inner ring 3 external parts outside the step of the centreline space of that section cylindrical center line and inner ring 3 and locking back-up ring 4 one ends that section cylindrical center line all have deviation distance 2 and the deviation distance of the two 2 to equate with the centreline space of locking back-up ring 4, this deviation distance equates with said gap 1.Adopt this structure, inner ring 3 can adopt Spielpassung with between centers.So, just can realize it is installed on the axle without methods such as hydraulic pressure, heating and sleeve knock, not only easy for installation, and can not damage axle.
Claims (1)
1. the selfaligning roller bearing of band eccentric bushing is made of inner ring (3), outer ring (7), retainer and some rollers (9), and retainer wherein is made up of two punching press iron retainers (8), and spacer ring in the activity (6) is arranged between two retainers; Be evenly equipped with the pocket hole on the retainer, and cross-shaped layout between the pocket hole on two pressing cages (8); Roller (9) is the symmetry properties spherical roller, they are dolioform, its two ends are the plane, the bus of its outer side surface is a circular arc, be between the pocket hole of its outer side surface and retainer and be slidingly matched, spacing between the outer end of its vertical center line and inner ring (3) is less than the inner of its vertical center line and the spacing between inner ring (3), thus make they vertical center line and inner ring (3), outer ring (7) axially between all form angle; The length that it is characterized in that inner ring (3) is greater than outer ring (7), and the external part of inner ring (3) is furnished with locking back-up ring (4); On the locking back-up ring (4) radially screw is arranged, radially be furnished with fastening screw trip bolt (5) in the screw; Circle upward and on the external part cylindrical of inner ring (7) has circumferential step respectively in one end of locking back-up ring (4), inner ring (3) external part and locking back-up ring (4) thus outside the step of an end that section outside diameter outer the change gradually forms inner small and outside big conical section greatly by the lining, and that section outside diameter is less than that section outside diameter outside the step of locking back-up ring (4) one ends outside the step of inner ring (3) external part, forms gap (1) after making the two cooperation; Outside the step of inner ring (3) external part outside the step of the centreline space of that section cylindrical center line and inner ring (3) and locking back-up ring (4) one ends that section cylindrical center line all have deviation distance (2) and the deviation distance of the two (2) to equate with the centreline space of locking back-up ring (4), this deviation distance equates with said gap (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200466793U CN201100314Y (en) | 2007-09-14 | 2007-09-14 | Center-adjusting roller bearing with acentric cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200466793U CN201100314Y (en) | 2007-09-14 | 2007-09-14 | Center-adjusting roller bearing with acentric cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201100314Y true CN201100314Y (en) | 2008-08-13 |
Family
ID=39936848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200466793U Expired - Fee Related CN201100314Y (en) | 2007-09-14 | 2007-09-14 | Center-adjusting roller bearing with acentric cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201100314Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813124A (en) * | 2010-03-26 | 2010-08-25 | 陈炳顺 | Double-row angular contact waist drum shaped roller bearing and bearing unit |
| CN106224385A (en) * | 2016-08-31 | 2016-12-14 | 瓦房店正达冶金轧机轴承有限公司 | A kind of subdivision self-aligning roller bearing and the processing method of retainer |
| CN107228130A (en) * | 2016-03-24 | 2017-10-03 | 斯凯孚公司 | Spheric roller bearing |
-
2007
- 2007-09-14 CN CNU2007200466793U patent/CN201100314Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813124A (en) * | 2010-03-26 | 2010-08-25 | 陈炳顺 | Double-row angular contact waist drum shaped roller bearing and bearing unit |
| CN107228130A (en) * | 2016-03-24 | 2017-10-03 | 斯凯孚公司 | Spheric roller bearing |
| CN106224385A (en) * | 2016-08-31 | 2016-12-14 | 瓦房店正达冶金轧机轴承有限公司 | A kind of subdivision self-aligning roller bearing and the processing method of retainer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080813 Termination date: 20100914 |