CN201100316Y - A long internal ring center-adjusting roller bearing - Google Patents
A long internal ring center-adjusting roller bearing Download PDFInfo
- Publication number
- CN201100316Y CN201100316Y CNU2007200466774U CN200720046677U CN201100316Y CN 201100316 Y CN201100316 Y CN 201100316Y CN U2007200466774 U CNU2007200466774 U CN U2007200466774U CN 200720046677 U CN200720046677 U CN 200720046677U CN 201100316 Y CN201100316 Y CN 201100316Y
- Authority
- CN
- China
- Prior art keywords
- inner ring
- ring
- retainer
- roller
- roller 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.)
- Expired - Fee Related
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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
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
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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
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/06—Ball or roller bearings
- F16C23/08—Ball or roller bearings self-adjusting
- F16C23/082—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface
- F16C23/086—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface forming a track for rolling elements
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a self-aligning roller bearing which has a long inner ring and can adjust the inside clearance, which comprises an inner ring, an outer ring, holders and a plurality of rollers, wherein the holders are two stamping iron holders, a septal ring is arranged between the two holders, pockets are circumferentially distributed on the holders, the rollers are spherical surface rollers in the long drum shape, two ends are planes, a bus bar of the outer side face is taken in the circular arc shape, the outer side face is slidingly engaged with the pockets of the holders, the distance between the external end of a longitudinal center line and the inner ring is shorter than that between the internal end of the longitudinal center line and the inner ring, thereby an included angle is formed between the longitudinal center lines and shafts of the inner ring and the outer ring. The self-aligning roller bearing is characterized in that the length of the inner ring is larger than that of the outer ring, a locking retainer ring is sleeved on an extended end of the inner ring, radial holes are respectively arranged on the extended end of the inner ring and on the locking retainer ring, the radial holes are correspondingly arranged, and each pair of the corresponding radial holes are evenly provided with a fastening screw. The self-aligning roller bearing has the advantages of easy mounting, no damages to shafts and long service life.
Description
Technical field
The utility model relates to a kind of roller bearing.Specifically, be the long inner ring selfaligning roller bearing 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.Inner ring length wherein equates substantially with outer ring length.The retainer both sides are evenly equipped with the pocket hole, and the cross-shaped layout in pocket hole of both sides.Roller is a long drum shape, its two ends are circular, its outer side surface is a sphere, be slidingly matched between the pocket hole of its outer side surface and retainer both sides, 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 inside and outside circle axially between all form angle.Wherein the two side, pocket hole on the retainer equates with the radius of roller with spacing between inner ring, makes the pocket hole width on the retainer equal the diameter of roller.
Because the inner ring length of this roller bearing equates substantially with outer ring length, and and adopt interference fit between main shaft to be installed again mostly, therefore, when attaching it to when spool last, usually all be with methods such as hydraulic pressure, heating and sleeve knock, install cumbersome, and the surface of repeating to install repeatedly the fragile axle in back.Again since the two side, pocket hole on the retainer equate with the radius of roller with spacing between inner ring, pocket hole width on the retainer equals the diameter of roller, the maximum position that makes retainer just in time be in roller is on the diametrical position, not only limited the diameter of roller, also limit the consumption of roller, wasted expensive real estate between the Internal and external cycle.And the diameter of roller is one little, quantity one is few, can have influence on the load of bearing again.And load one is little, also can have influence on the working life of bearing.Therefore, the load of this roller bearing is less, working life is not long.
The model utility content
Problem to be solved in the utility model provides a kind of long inner ring selfaligning roller bearing.This selfaligning roller bearing is installed easily, can not damaged axle, long service life.
For addressing the above problem, take following technological scheme:
Long inner ring selfaligning roller bearing of the present utility model is made of inner ring, outer ring, retainer and some rollers, retainer wherein is made up of two punching press iron retainers, between two retainers middle spacer ring is arranged, they circumferentially be evenly equipped with the pocket hole, and cross-shaped layout between the pocket hole on two punching press iron retainers.Said roller is a spherical roller, it is a long drum shape, its two ends are the plane, the bus of its outer side surface is a circular arc, be slidingly matched between the pocket hole of its outer side surface and retainer, 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 with the locking back-up ring greater than the outer ring on the inner ring external part, on the inner ring external part and on the locking back-up ring radial hole is arranged all, and the two is corresponding, all is furnished with fastening screw trip bolt in every pair of corresponding radial hole.
Take such scheme, have the following advantages:
Because long inner ring selfaligning roller bearing of the present utility model, the length of its inner ring is with the locking back-up ring greater than the outer ring on the inner ring external part, on the inner ring external part and on the locking back-up ring radial hole is arranged all, and the two is corresponding, all is furnished with fastening screw trip bolt in every pair of corresponding radial hole.Make its inner ring and between centers can adopt Spielpassung, 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.
Again because formation cross section, two pressing cage combination backs is that { retainer of shape, this cross section are that { two side, pocket hole of the retainer of shape and the spacing between inner ring are less than the radius of roller, and the pocket hole width on the retainer is less than the diameter of roller.Maximally utilised the expensive real estate between Internal and external cycle, made that the diameter of roller increases, quantity increases.And the diameter one of roller is big, quantity more than one, can improve the load of bearing again.And load one is big, also can prolong the working life of bearing.Therefore, the load of this roller bearing is big, working life is longer.
Description of drawings
Accompanying drawing is a long inner ring selfaligning roller bearing structural representation of the present utility model.
Embodiment
As shown in drawings, long inner ring selfaligning roller bearing of the present utility model is made of inner ring 7, outer ring 4, retainer and some rollers 5.Retainer wherein is made up of two punching press iron retainers 6, spacer ring 3 during two 6 of retainers are provided with, thereby form a cross section by two punching press iron retainers 6 and be { the retainer of shape, this cross section is that { spacing that the two side, pocket hole of the retainer of shape and inner ring are 7 is less than the radius of roller 5, makes pocket hole width on the retainer less than the diameter of roller 5.
Two pressing cages 6 circumferentially be evenly equipped with the pocket hole, and cross-shaped layout between the pocket hole on two punching press iron retainers 6.Said roller 5 is a spherical roller, it is a long drum shape, 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 7 is less than the spacing of 7 of the inner of its vertical center line and inner rings, thus make they vertical center line and inner ring 7, outer ring 4 axially between all form angle.The length of inner ring 7 is with locking back-up ring 1 greater than outer ring 4 on inner ring 7 external parts, all be processed with radial hole on inner ring 7 external parts and on the locking back-up ring 1, and the two is corresponding, all is rotary with fastening screw trip bolt 2 in every pair of corresponding radial hole.Make long inner ring selfaligning roller bearing inner ring 7 of the present utility model can adopt Spielpassung, just can realize it is installed on the axle without methods such as hydraulic pressure, heating and sleeve knock with between centers, not only easy for installation, and can not damage axle.
It is that { retainer of shape, this cross section are that { spacing that the two side, pocket hole of the retainer of shape and inner ring are 7 is less than the radius of roller 5, makes pocket hole width on the retainer less than the diameter of roller 5 that two pressing cages, 6 combination backs form the cross section.So, can maximally utilise the expensive real estate of 4 of inner ring 7 and outer rings, diameter increase, the quantity of roller 5 are increased.And the diameter one of roller 5 is big, quantity more than one, can improve the load of bearing again.And load one is big, also can prolong the working life of bearing.
Claims (2)
1. one kind long inner ring selfaligning roller bearing, constitute by inner ring (7), outer ring (4), retainer and some rollers (5), retainer wherein is made up of two punching press iron retainers (6), middle spacer ring (3) is arranged between two retainers (6), they circumferentially be evenly equipped with pocket hole and cross-shaped layout between the pocket hole on two punching press iron retainers (6); Said roller (5) is a spherical roller, it is a long drum shape, its two ends are the plane, the bus of its outer side surface is a circular arc, be slidingly matched between the pocket hole of its outer side surface and retainer, spacing between the outer end of its vertical center line and inner ring (7) is less than the inner of its vertical center line and the spacing between inner ring (7), thus make they vertical center line and inner ring (7), outer ring (4) axially between all form angle; The length that it is characterized in that inner ring (7) is greater than outer ring (4), be with locking back-up ring (1) on inner ring (7) external part, on inner ring (7) external part and on the locking back-up ring (1) radial hole is arranged all, and the two is corresponding, all is furnished with fastening screw trip bolt (2) in every pair of corresponding radial hole.
2. long inner ring selfaligning roller bearing according to claim 1, it is characterized in that two pressing cages (6) combination back forms the cross section and is { the retainer of shape, this cross section is that { spacing between the two side, pocket hole of the retainer of shape and inner ring (7) is less than the radius of roller (5), makes pocket hole width on the retainer less than the diameter of roller (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200466774U CN201100316Y (en) | 2007-09-14 | 2007-09-14 | A long internal ring center-adjusting roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200466774U CN201100316Y (en) | 2007-09-14 | 2007-09-14 | A long internal ring center-adjusting roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201100316Y true CN201100316Y (en) | 2008-08-13 |
Family
ID=39936850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200466774U Expired - Fee Related CN201100316Y (en) | 2007-09-14 | 2007-09-14 | A long internal ring center-adjusting roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201100316Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2007
- 2007-09-14 CN CNU2007200466774U patent/CN201100316Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |