CN111188831A - Ferrule guide type thrust cylindrical roller bearing - Google Patents
Ferrule guide type thrust cylindrical roller bearing Download PDFInfo
- Publication number
- CN111188831A CN111188831A CN202010212323.2A CN202010212323A CN111188831A CN 111188831 A CN111188831 A CN 111188831A CN 202010212323 A CN202010212323 A CN 202010212323A CN 111188831 A CN111188831 A CN 111188831A
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- China
- Prior art keywords
- cage
- cylindrical roller
- diameter
- pocket hole
- 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
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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
- F16C19/30—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 axial load mainly
- F16C19/32—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 axial load mainly for supporting the end face of a shaft or other member, e.g. footstep bearings
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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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/4617—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages
- F16C33/4623—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages
- F16C33/4629—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages made from metal, e.g. cast or machined window cages
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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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/467—Details of individual pockets, e.g. shape or roller retaining means
- F16C33/4676—Details of individual pockets, e.g. shape or roller retaining means of the stays separating adjacent cage pockets, e.g. guide means for the bearing-surface of the 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/56—Selection of substances
-
- 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
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
- F16C43/06—Placing rolling bodies in cages or bearings
- F16C43/065—Placing rolling bodies in cages or bearings in cages
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
A ferrule guide type thrust cylindrical roller bearing comprises components including a shaft ring, a race, cylindrical rollers and a retainer. The shaft ring is of a circular structure, the inner diameter of the shaft ring is matched with the shaft, and a shaft ring raceway is matched with a rolling surface of the cylindrical roller; the seat ring is of a circular structure, the outer diameter of the seat ring is matched with the bearing seat, and the raceway of the seat ring is matched with the rolling surface of the cylindrical roller; the cylindrical roller is cylindrical, and the end surfaces on two sides are planes; the retainer is ring structure, adopt the integral type design, the brass material, the cage is packed into by cage pocket hole opening part to the cylindrical roller, the diameter difference of cage pocket hole distribution center circle and cage internal diameter equals the diameter difference of cage pocket hole distribution center circle and cage external diameter, cage pocket hole diameter centre of a circle is apart from the cage upper flat surface, the planar distance under the cage equals, the cage pocket hole is provided with pocket hole auto-lock department, characteristics such as pocket hole opening part, the adjacent pocket hole positive and negative alternative setting of cage, when pocket hole quantity is the singular, it sets up to allow two adjacent pocket holes of equidirectional, boss and race raceway clearance fit under the cage, boss and race raceway clearance fit on the cage. The ferrule guide type thrust cylindrical roller bearing adopting the design scheme of the invention has the remarkable advantages of easy installation, wear resistance, high rigidity, high bearing capacity, long service life and high reliability.
Description
Technical Field
The invention relates to the technical field of bearings, in particular to a ferrule guide type thrust cylindrical roller bearing.
Background
The thrust cylindrical roller bearing has high rigidity and higher axial bearing capacity and is widely applied. In the thrust cylinder roller bearing of standard design, the part includes the race, the seat circle, cylindrical roller, the holder, race and ring shape, the holder has two kinds of materials of nylon and brass, receive material and structural design restriction, nylon holder operating temperature can not exceed 120 ℃, the split type design of brass material holder is owing to adopt the fix with screw, the inaccurate problem of being difficult to the installation of location easily appears when the assembly screw, the screw drops or the rupture phenomenon easily appears when the bearing uses, to sum up, the thrust cylinder roller bearing of the split type brass holder of current design has the shortcoming of difficult installation, poor rigidity, easy inefficacy, bearing capacity still has further promotion space, and the holder of using this design is the roller guide mode, has the defect that the holder easily weared and torn.
Disclosure of Invention
The invention aims to provide a ferrule guide type thrust cylindrical roller bearing.A retainer cancels the traditional split design and changes the traditional split design into a solid design, and correspondingly cancels a screw part which is easy to cause the premature failure of the bearing; the retainer is changed from a roller guide mode to a ferrule guide mode, so that the defect that the original designed retainer is easy to wear is overcome; through roller data optimization, the bearing capacity of the bearing is further improved, the service life of the bearing is further effectively prolonged under the same use working condition, and the bearing has the remarkable advantages of easiness in installation, wear resistance, high rigidity, high bearing capacity, long service life and high reliability.
The purpose of the invention can be realized by adopting the following technical scheme: the invention relates to a ferrule guide type thrust cylindrical roller bearing which comprises a shaft ring, a seat ring, cylindrical rollers and a retainer.
The shaft ring is of a circular structure, the inner diameter of the shaft ring is matched with the shaft, and a shaft ring raceway is matched with a rolling surface of the cylindrical roller; the seat ring is of a circular structure, the outer diameter of the seat ring is matched with the bearing seat, and the raceway of the seat ring is matched with the rolling surface of the cylindrical roller; the cylindrical roller is cylindrical, and the end surfaces on two sides are planes; the retainer is ring structure, adopt the integral type design, the brass material, the cage is packed into by cage pocket hole opening part to the cylindrical roller, the diameter difference of cage pocket hole distribution center circle and cage internal diameter equals the diameter difference of cage pocket hole distribution center circle and cage external diameter, cage pocket hole diameter centre of a circle is apart from the cage upper flat surface, the planar distance under the cage equals, the cage pocket hole is provided with pocket hole auto-lock department, characteristics such as pocket hole opening part, the adjacent pocket hole positive and negative alternative setting of cage, when pocket hole quantity is the singular, it sets up to allow two adjacent pocket holes of equidirectional, boss and race raceway clearance fit under the cage, boss and race raceway clearance fit on the cage.
The outer diameter of the retainer is 2-4 mm smaller than the outer diameter of the seat ring, and the inner diameter of the retainer is 2-4 mm larger than the inner diameter of the shaft ring.
The ratio of the thickness of the retainer to the diameter of the cylindrical roller is 0.63-0.65.
The width of the cage pocket is 0.2-0.5 mm larger than the length of the cylindrical roller.
The diameter of the pocket hole of the retainer is 0.2-0.4 mm larger than that of the cylindrical roller.
The width of the self-locking position of the cage pocket is 0.15-0.35 mm smaller than the diameter of the cylindrical roller.
The height of the contact surface at the self-locking position of the cage pocket is 1.5-3.5 mm.
The width of the opening of the cage pocket is 0.2-2 mm larger than the diameter of the cylindrical roller.
The distance between the inner diameter of the lower boss of the retainer and the end face of the cylindrical roller is 2-5 mm, and the distance between the outer diameter of the upper boss of the retainer and the end face of the cylindrical roller is 2-4 mm.
Drawings
FIG. 1 is a schematic diagram of a thrust cylindrical roller bearing of a prior art standard design.
FIG. 2 is a schematic view of a cylindrical roller thrust bearing of the present invention.
FIG. 3 is a schematic view of the thrust cylindrical roller bearing cage of the present invention.
FIG. 4 is a schematic view of a cage pocket of the thrust cylindrical roller bearing of the present invention.
FIG. 5 is a schematic sectional view of a cage pocket of the thrust cylindrical roller bearing of the present invention.
In the figure: 1 axle ring, 1.1 axle ring raceway, 1.2 axle ring internal diameters, 2 raceways, 2.1 raceway raceways, 2.2 raceway external diameters, 3 cylindrical rollers, 3.1 cylindrical roller rolling surfaces, 4 cages, 4.1 cage external diameters, 4.2 cage pocket hole distribution center circles, 4.3 cage internal diameters, 4.4 cage pocket holes, 4.4.1 cage pocket hole widths, 4.4.2 cage pocket hole diameters, 4.4.3 cage pocket hole self-locking positions, 4.4.4 cage pocket hole opening parts, 4.4.5 cage upper plane, 4.4.6 cage lower plane, 4.5 cage lower boss, 4.6 cage upper boss
Detailed Description
Specific embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in figures 2 to 5: the invention discloses a thrust cylindrical roller bearing, which comprises a shaft ring 1, a seat ring 2, cylindrical rollers 3 and a retainer 4.
The shaft ring 1 is of a circular structure, the inner diameter of the shaft ring is 1.2, the shaft ring is matched with a shaft, and a shaft ring raceway 1.1 is matched with a cylindrical roller rolling surface 3.1; the seat ring 2 is of a circular structure, the outer diameter 2.2 of the seat ring is matched with the bearing seat, and the raceway 2.1 of the seat ring is matched with the rolling surface 3.1 of the cylindrical roller; the cylindrical roller 3 is cylindrical, and the end surfaces at two sides are planes; the retainer 4 is of a circular ring structure and is designed integrally, brass is used, the cylindrical roller 3 is arranged in the retainer 4 from a retainer pocket hole opening part 4.4.4, the diameter difference value of a retainer pocket hole distribution center circle 4.2 and a retainer inner diameter 4.3 is equal to the diameter difference value of a retainer pocket hole distribution center circle 4.2 and a retainer outer diameter 4.1, the distance between the circle center of the retainer pocket hole diameter 4.4.2 and the retainer upper plane 4.4.5 and the distance between the circle center of the retainer pocket hole diameter 4.4.2 and the retainer lower plane 4.4.6 are equal, the retainer pocket hole 4.4 is provided with features of a pocket hole self-locking part 4.4.3, a pocket hole opening part 4.4.4 and the like, the adjacent pocket holes 4.4 of the retainer 4 are alternately arranged, when the number of the pocket holes is singular, two adjacent pocket holes in the same direction are allowed to be arranged, a retainer lower boss 4.5 is in clearance fit with a raceway 2.
The outer diameter of the retainer 4.1 is 2-4 mm smaller than the outer diameter of the race 2.2, and the inner diameter of the retainer 4.3 is 2-4 mm larger than the inner diameter of the shaft ring 1.2.
The ratio of the thickness of the retainer 4 to the diameter of the cylindrical roller 3 is 0.63-0.65.
The width of the cage pocket hole is 4.4.1 mm which is 0.2-0.5 mm larger than the length of the cylindrical roller 3.
The diameter of the cage pocket hole is 4.4.2 mm which is 0.2-0.4 mm larger than that of the cylindrical roller 3.
The width of the self-locking position 4.4.3 of the cage pocket is 0.15-0.35 mm smaller than the diameter of the cylindrical roller 3.
The height of a contact surface at the self-locking position 4.4.3 of the cage pocket is 1.5-3.5 mm.
The width of the opening 4.4.4 of the cage pocket is 0.2-2 mm larger than the diameter of the cylindrical roller 3.
The distance between the inner diameter of 4.5 of the lower lug boss of the retainer and the end face of 3 cylindrical rollers is 2-5 mm, and the distance between the outer diameter of 4.6 of the upper lug boss of the retainer and the end face of 3 cylindrical rollers is 2-4 mm.
The invention has the beneficial effects that:
the retainer 4 cancels the traditional split design, adopts the integral brass design, and is matched with the reduction of the inner diameter of the retainer 4.3 and the increase of the outer diameter of the retainer 4.1 and the thickness of the retainer 4, so that the rigidity of the retainer is greatly improved, at the moment, on the premise of ensuring the rigidity of the retainer 4, one or two cylindrical rollers 3 can be added on the basis of the original design scheme, and the length of the cylindrical rollers 3 can be allowed to be increased by 2-4 mm, so that the bearing capacity of the bearing is greatly improved, and the service life of the bearing is further effectively prolonged under the same use working condition; the reasonable design of the diameters of the cage pocket holes of 4.4.2, the self-locking positions of the cage pocket holes of 4.4.3 and the sizes of the openings of the cage pocket holes of 4.4.4 can ensure that the cylindrical rollers 3 can be relatively easily arranged in the cage pocket holes of 4.4, and the cage pocket holes have the characteristic of easy installation; through the arrangement of the lower lug boss 4.5 and the upper lug boss 4.6 of the retainer, the reasonable inner diameter of the lower lug boss 4.5 and the outer diameter of the upper lug boss 4.6 are matched, so that the roller guide mode of the retainer is changed into the ferrule guide mode, and the defect that the original designed retainer is easy to wear is overcome; the positive and negative arrangement of adjacent cage pocket 4.4 makes it overcome the potential shortcoming that the cage axial displacement volume that produces because of the setting of cage pocket opening part 4.4.4 increases. In conclusion, it has the obvious advantages of easy installation, wear resistance, high rigidity, high bearing capacity, long service life and high reliability.
Claims (9)
1. The utility model provides a lasso guide type thrust cylinder roller bearing, includes race, cylindrical roller, holder, its characterized in that:
the shaft ring is of a circular structure, the inner diameter of the shaft ring is matched with the shaft, and a shaft ring raceway is matched with a rolling surface of the cylindrical roller; the seat ring is of a circular structure, the outer diameter of the seat ring is matched with the bearing seat, and the raceway of the seat ring is matched with the rolling surface of the cylindrical roller; the cylindrical roller is cylindrical, and the end surfaces on two sides are planes; the retainer is ring structure, adopt the integral type design, the brass material, the cage is packed into by cage pocket hole opening part to the cylindrical roller, the diameter difference of cage pocket hole distribution center circle and cage internal diameter equals the diameter difference of cage pocket hole distribution center circle and cage external diameter, cage pocket hole diameter centre of a circle is apart from the cage upper flat surface, the planar distance under the cage equals, the cage pocket hole is provided with pocket hole auto-lock department, characteristics such as pocket hole opening part, the adjacent pocket hole positive and negative alternative setting of cage, when pocket hole quantity is the singular, it sets up to allow two adjacent pocket holes of equidirectional, boss and race raceway clearance fit under the cage, boss and race raceway clearance fit on the cage.
2. The cage outer diameter of the cage of claim 1 is 2-4 mm smaller than the outer diameter of the race and the cage inner diameter is 2-4 mm larger than the inner diameter of the shaft race.
3. The cage guide ring type thrust cylindrical roller bearing cage according to claim 1, wherein a ratio of a thickness of the cage to a diameter of the cylindrical roller is 0.63 to 0.65.
4. The cage pocket width of the cage according to claim 1 is 0.2 to 0.5mm greater than the length of the cylindrical roller.
5. The cage pocket diameter of the cage according to claim 1 is 0.2 to 0.4mm larger than the diameter of the cylindrical roller.
6. The cage self-locking portion of the cage pocket of the cage according to claim 1, wherein the width of the cage self-locking portion is 0.15-0.35 mm smaller than the diameter of the cylindrical roller.
7. The self-locking contact surface height of the pocket of the cage of the ferrule-guided thrust cylindrical roller bearing according to claim 1 is 1.5-3.5 mm.
8. The cage pocket opening of claim 1 having a width 0.2 to 2mm greater than the diameter of the cylindrical roller.
9. The inner diameter of the lower boss of the cage of the ferrule-guided thrust cylindrical roller bearing according to claim 1 is 2 to 5mm apart from the end faces of the cylindrical rollers, and the outer diameter of the upper boss of the cage is 2 to 4mm apart from the end faces of the cylindrical rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010212323.2A CN111188831A (en) | 2020-03-24 | 2020-03-24 | Ferrule guide type thrust cylindrical roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010212323.2A CN111188831A (en) | 2020-03-24 | 2020-03-24 | Ferrule guide type thrust cylindrical roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111188831A true CN111188831A (en) | 2020-05-22 |
Family
ID=70708730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010212323.2A Pending CN111188831A (en) | 2020-03-24 | 2020-03-24 | Ferrule guide type thrust cylindrical roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111188831A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649766A (en) * | 2021-08-04 | 2021-11-16 | 洛阳新强联回转支承股份有限公司 | Method for machining pocket of centripetal short cylindrical roller bearing cage with oil storage tank |
-
2020
- 2020-03-24 CN CN202010212323.2A patent/CN111188831A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649766A (en) * | 2021-08-04 | 2021-11-16 | 洛阳新强联回转支承股份有限公司 | Method for machining pocket of centripetal short cylindrical roller bearing cage with oil storage tank |
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