CN106286587A - A kind of annulus roller bearing with high radial bearing capacity - Google Patents
A kind of annulus roller bearing with high radial bearing capacity Download PDFInfo
- Publication number
- CN106286587A CN106286587A CN201610793344.1A CN201610793344A CN106286587A CN 106286587 A CN106286587 A CN 106286587A CN 201610793344 A CN201610793344 A CN 201610793344A CN 106286587 A CN106286587 A CN 106286587A
- Authority
- CN
- China
- Prior art keywords
- roller
- bearing
- ring raceway
- outer ring
- spacer
- 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
Links
Classifications
-
- 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
-
- 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
- F16C33/34—Rollers; Needles
- F16C33/36—Rollers; Needles with bearing-surfaces other than cylindrical, e.g. tapered; with grooves in the bearing surfaces
- F16C33/366—Tapered rollers, i.e. rollers generally shaped as truncated cones
-
- 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
- F16C33/37—Loose spacing bodies
- F16C33/3706—Loose spacing bodies with concave surfaces conforming to the shape of the rolling elements, e.g. the spacing bodies are in sliding contact with the rolling elements
-
- 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
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
- F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide the rollers
-
- 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
- F16C19/24—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 radial load mainly
- F16C19/26—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 radial load mainly with a single row of rollers
-
- 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
- F16C33/34—Rollers; Needles
- F16C33/36—Rollers; Needles with bearing-surfaces other than cylindrical, e.g. tapered; with grooves in the bearing surfaces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Support Of The Bearing (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention discloses a kind of annulus roller bearing with high radial bearing capacity, may include that outer ring 1, inner ring 3, roller 2, spacer 4, outer ring raceway 5 and inner ring raceway 6；The concave panel of side, described outer ring 1 is outer ring raceway 5, and the concave panel of described inner ring 3 side is inner ring raceway 6, and described roller 2 is arranged between outer ring raceway 5 and inner ring raceway 6, and described roller 2 is fixed by described spacer 4.The present invention combines automatic aligning ability and the axial placement property of cylinder roller bearing of spheric roller bearing, the most also has the compact cross section of needle bearing, and its life-span is three times of other self-aligning roller bearing life-spans, and it can make the rotating speed of industrial machine improve 15%.The roller 2 that assembling quantity increases allowed by wherein said spacer 4, by allowing the compression of the elastic deformation relating at least one end so that spacer 4 can be inserted in free space limited between the roller 2 of two close arrangement so that assembling simplicity.
Description
Technical field
The present invention relates to field of bearings, particularly relate to a kind of annulus roller bearing with high radial bearing capacity.
Background technology
The purposes of bearing is widely, and its form is also diversified.In existing bearing, such as spheric roller bearing,
This class bearing is consistent with bearing centre due to the center of arc of outer ring raceway, has aligning performance, is mainly used in papermaking equipment, subtracts
The fields such as speed variator, rolling stock axletree, printing machinery, woodworking machinery；Cylinder roller bearing, its cylindrical roller and raceway are line
Contact, has axial placement property, and radial load ability is big, is i.e. applicable to bear heavy load and impact load, is also applied for height
Speed rotates, for all kinds of industrial machines such as medium-sized and high capacity motor, electromotor, machine tool chief axis, deceleration device；And for example needle roller axle
Holding, have compact cross section, volume can reduce, and can bear big radial load, it is adaptable to automobile engine, variator, bridge
Formula crane, compressor etc..But for equipment such as gear-box, little gear, aerator, pump, printer, paper machines, both required institute
With bearing, there is automatic aligning ability and axial placement property, in addition it is also necessary to it has compact cross section.The manufacture of annulus roller bearing
Thorny design consideration is related to assembling, and the instrument of costliness and machine.Such as, bearing construction available relate to selecting and
The available design of different bearing layout design selects to be affected, and described bearing layout design includes the parts of surrounding such as
Axle, housing etc..Additionally, the assembling of prior art solution is time-consuming and may damage ring or the roller of bearing.
Summary of the invention
It is an object of the invention to provide a kind of annulus roller bearing with high radial bearing capacity, above-mentioned existing to solve
The problem that technology exists, makes bearing combine automatic aligning ability and axial placement property, and can save space and reduce production
Cost.Described spacer makes the most more efficient of roller element, improves the load carrying capacity of annulus roller bearing simultaneously,
Install easier.
For achieving the above object, the invention provides following scheme: the present invention provides the circle of a kind of high radial bearing capacity
Ring roller bearing, may include that outer ring, inner ring, roller, spacer, outer ring raceway and inner ring raceway；Side, described outer ring recessed
Shape face is outer ring raceway, and the concave panel of described inner ring side is inner ring raceway, and described roller is arranged on outer ring raceway and rolls with inner ring
Between road, described roller is fixed by described spacer；Described outer ring raceway radius of curvature is bigger than self-aligning roller bearing, radius of curvature
Center falls outside bearing axis, and lasso is without guiding rib；Described roller is longer and becomes barrel-shaped, and roller bus is circular arc type,
Can automatic aligning；Inner ring raceway and the outer ring raceway of described bearing are the most concave, symmetrical around bearing centre；Wherein said
Spacer includes the central opening for reducing the distance between described roller, and described central opening is from described first roller contact
Face extends through described spacer to described second roller contact face；Described spacer is the most compressible, and wherein institute
State tangential distance less than the minimum uncompressed distance between described first and second roller contact surface；The axle of described spacer
At least one groove contributing to the elastically deformable ability of described axial end portion is included to end.
In the operation process of annulus roller bearing, described spacer support and separately roller element, and then avoid two
Roller and the abrasion of roller between roller element.As an alternative, the contact between the contact surface between spacer and roller element
Allow the formation of lubricating oil film.Being formed by the roller contact face of spacer and being associated of roller element of lubricating oil film
Effective non-zero speed in interface between contact surface and produce.In other words, in the case of having roller and roller contact,
The effective speed in oily section between device and roller element will not be reverse and equal.Thus, due to the formation of oil film, institute
Stating spacer makes the quantity increase of roller element within the bearing be more prone to, and this makes load bearing properties increase or
Bigization, provides efficient and durable operation simultaneously.By moving the position of described roller element relative to two rings, annulus rolls
Sub-bearing allows axial displacement and angular displacement.This is the distinctive feature of annulus roller bearing.Additionally, in annulus roller bearing two
Individual adjacent rollers provides axially directed, and this achieves the functional annulus roller bearing equipped with spacer.More specifically,
By the spacer providing the space limited between shape and two adjacent rollers to comply with mutually, it is provided that radial and axial side
The upwards mutual guiding function between roller profile and spacer profile.Independent spacer can separate with other spacer,
And also can be inserted into individually independent of other spacer.
The specific embodiment provided according to the present invention, the invention discloses techniques below effect: 1, this bearing has cylinder
The lasso of bearing and needle bearing can move to axial, and has again self-aligning roller bearing high radial bearing capacity and regulation of mental activities
Energy；2, this profile shaft bearing roller is longer, is remarkably improved the radial direction bearing capacity of bearing, on the other hand, owing to roller bus is circle
Camber, energy automatic aligning, when lasso has bigger deflection, contact stress increase is the most notable；3, the frictional dissipation of this kind of bearing is about
For controllable single-chip electromagnetic clutch 1/3；4, the construction features of this bearing can ensure that contact stress is uniformly distributed, and improves carrying energy
Power, its life-span is three times of other self-aligning roller bearing life-spans, and it can make the rotating speed of industrial machine improve 15%；5, described annulus
Roller bearing includes multiple spacer.It is advantageous that the quantity of roller element and the load of the most described annulus roller bearing
Ability to bear can increase, and avoids contacting of roller and roller simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is overall structure figure of the present invention；
Fig. 2 is axonometric chart of the present invention；
Fig. 3 a, 3b are the perspective schematic view of the embodiment of bearing spacer device of the present invention；
Wherein, 1 it is outer ring, 3 is inner ring, 2 is roller, 4 is spacer, 5 is outer ring raceway, 6 is inner ring raceway, 7 is the
One roller contact face, 8 be the second roller contact face, 9 be axial end portion, 21 23 for groove.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
It is an object of the invention to provide a kind of annulus roller bearing with high radial bearing capacity, above-mentioned existing to solve
The problem that technology exists, makes bearing combine automatic aligning ability and axial placement property, and can save space and reduce production
Cost.Described spacer makes the most more efficient of roller element, improves the load carrying capacity of annulus roller bearing simultaneously,
Install easier.
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, real with concrete below in conjunction with the accompanying drawings
The present invention is further detailed explanation to execute mode.
The application provides the annulus roller bearing of a kind of high radial bearing capacity, may include that outer ring 1, inner ring 3, roller
2, spacer 4, outer ring raceway 5 and inner ring raceway 6；The concave panel of side, described outer ring 1 is outer ring raceway 5, described inner ring 3 side
Concave panel be inner ring raceway 6, described roller 2 is arranged between outer ring raceway 5 and inner ring raceway 6, and described roller 2 is by between described
Fix every device 4；Described outer ring raceway 5 radius of curvature is bigger than self-aligning roller bearing, centre of radius fall bearing axis it
Outward, lasso is without guiding rib；Described roller 2 is longer and becomes barrel-shaped, and roller bus is circular arc type, can automatic aligning；Described bearing
Inner ring raceway 6 and outer ring raceway 5 the most concave, around bearing centre symmetrical；Wherein said spacer 4 includes for subtracting
The central opening of the distance between few described roller 2, described central opening rolls from described first roller contact face 7 to described second
Sub-contact surface 8 extends through described spacer 4；Wherein said spacer 4 is the most compressible, and wherein said tangentially away from
From less than the minimum uncompressed distance between described first and second roller contact surface；The axial end portion 9 of described spacer 4
Including at least one groove of the elastically deformable ability contributing to described axial end portion, described groove can be such as Fig. 3 a, 3b institute
The first groove the 21, second groove 22 or the 3rd groove 23 shown.When groove is multiple, each groove can be all the first groove
21, the second groove 22 or the 3rd groove 23.
In the operation process of annulus roller bearing, described spacer support and separately roller element, and then avoid two
Roller and the abrasion of roller between roller element.As an alternative, the contact between the contact surface between spacer and roller element
Allow the formation of lubricating oil film.Being formed by the roller contact face of spacer and being associated of roller element of lubricating oil film
Effective non-zero speed in interface between contact surface and produce.In other words, in the case of having roller and roller contact,
The effective speed in oily section between device and roller element will not be reverse and equal.Thus, due to the formation of oil film, institute
Stating spacer makes the quantity increase of roller element within the bearing be more prone to, and this makes load bearing properties increase or
Bigization, provides efficient and durable operation simultaneously.By moving the position of described roller element relative to two rings, annulus rolls
Sub-bearing allows axial displacement and angular displacement.This is the distinctive feature of annulus roller bearing.Additionally, in annulus roller bearing two
Individual adjacent rollers provides axially directed, and this achieves the functional annulus roller bearing equipped with spacer.More specifically,
By the spacer providing the space limited between shape and two adjacent rollers to comply with mutually, it is provided that radial and axial side
The upwards mutual guiding function between roller profile and spacer profile.Independent spacer can separate with other spacer,
And also can be inserted into individually independent of other spacer.
The specific embodiment provided according to the present invention, the invention discloses techniques below effect: 1, this bearing has cylinder
The lasso of bearing and needle bearing can move to axial, and has again self-aligning roller bearing high radial bearing capacity and regulation of mental activities
Energy；2, this profile shaft bearing roller is longer, is remarkably improved the radial direction bearing capacity of bearing, on the other hand, owing to roller bus is circle
Camber, energy automatic aligning, when lasso has bigger deflection, contact stress increase is the most notable；3, the frictional dissipation of this kind of bearing is about
For controllable single-chip electromagnetic clutch 1/3；4, the construction features of this bearing can ensure that contact stress is uniformly distributed, and improves carrying energy
Power, its life-span is three times of other self-aligning roller bearing life-spans, and it can make the rotating speed of industrial machine improve 15%；5, described annulus
Roller bearing includes multiple spacer.It is advantageous that the quantity of roller element and the load of the most described annulus roller bearing
Ability to bear can increase, and avoids contacting of roller and roller simultaneously.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment, identical similar portion sees mutually.For system disclosed in embodiment
For, owing to it corresponds to the method disclosed in Example, so describe is fairly simple, relevant part sees method part and says
Bright.
Principle and the embodiment of the present invention are set forth by specific case used herein, saying of above example
Bright method and the core concept thereof being only intended to help to understand the present invention；Simultaneously for one of ordinary skill in the art, foundation
This novel thought, the most all will change.In sum, this specification content is not
It is interpreted as limitation of the present invention.
Claims (7)
1. an annulus roller bearing with high radial bearing capacity, it is characterised in that: including: outer ring (1), inner ring (3), rolling
Son (2), spacer (4), outer ring raceway (5) and inner ring raceway (6)；The concave panel of described outer ring (1) side is outer ring raceway
(5), the concave panel of described inner ring (3) side is inner ring raceway (6), and described roller (2) is arranged on outer ring raceway (5) and rolls with inner ring
Between road (6), described roller (2) is fixed by described spacer (4).
The annulus roller bearing with high radial bearing capacity the most according to claim 1, it is characterised in that: described outer ring
Raceway (5) radius of curvature is bigger than self-aligning roller bearing, and centre of radius falls outside bearing axis, and lasso is without guiding gear
Limit.
The annulus roller bearing with high radial bearing capacity the most according to claim 1, it is characterised in that: described roller
(2) longer and become barrel-shaped, roller bus is circular arc type, can automatic aligning.
The annulus roller bearing with high radial bearing capacity the most according to claim 1, it is characterised in that: described bearing
Inner ring raceway (6) and outer ring raceway (5) the most concave, around bearing centre symmetrical.
The annulus roller bearing with high radial bearing capacity the most according to claim 1, it is characterised in that: described interval
Device (4) includes the central opening for reducing the distance between described roller (2), and described central opening connects from described first roller
Contacting surface (7) extends through described spacer (4) to described second roller contact face (8).
The annulus roller bearing with high radial bearing capacity the most according to claim 5, it is characterised in that: described interval
Device (4) is the most compressible, and wherein said tangential distance is less than between described first and second roller contact surface
Minimum uncompressed distance.
The annulus roller bearing with high radial bearing capacity the most according to claim 5, it is characterised in that: wherein said
The axial end portion (9) of spacer (4) includes at least one groove contributing to the elastically deformable ability of described axial end portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610793344.1A CN106286587A (en) | 2016-08-31 | 2016-08-31 | A kind of annulus roller bearing with high radial bearing capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610793344.1A CN106286587A (en) | 2016-08-31 | 2016-08-31 | A kind of annulus roller bearing with high radial bearing capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106286587A true CN106286587A (en) | 2017-01-04 |
Family
ID=57673890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610793344.1A Pending CN106286587A (en) | 2016-08-31 | 2016-08-31 | A kind of annulus roller bearing with high radial bearing capacity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106286587A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228124A (en) * | 2017-08-11 | 2017-10-03 | 苏州顺革智能科技有限公司 | A kind of special-shaped needle bearing |
| CN107339405A (en) * | 2017-04-28 | 2017-11-10 | 天津修船技术研究所(中国船舶重工集团公司第六三三研究所) | Prevent axial moving device |
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| CN201318392Y (en) * | 2008-12-15 | 2009-09-30 | 芜湖三行轴承有限公司 | Single-row self-aligning roller bearing |
| CN201513472U (en) * | 2009-09-30 | 2010-06-23 | 六安滚动轴承有限公司 | Novel single-row self-aligning roller bearing |
| CN102454699A (en) * | 2010-10-23 | 2012-05-16 | 瓦房店正达冶金轧机轴承有限公司 | Toroidal roller bearing with high radial bearing capacity |
| CN105164438A (en) * | 2013-04-11 | 2015-12-16 | 斯凯孚公司 | Rolling bearing with rolling bodies disposed in a plurality of cage segments |
| CN105829744A (en) * | 2013-12-19 | 2016-08-03 | 斯凯孚公司 | Rolling bearing cage or cage element |
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- 2016-08-31 CN CN201610793344.1A patent/CN106286587A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20020088294A1 (en) * | 1998-06-02 | 2002-07-11 | Nsk Ltd. | Ball screw device and linear motion device |
| JP2003239964A (en) * | 2002-02-19 | 2003-08-27 | Nsk Ltd | Linear motion device |
| JP2006017252A (en) * | 2004-07-02 | 2006-01-19 | Nsk Ltd | Linear guide bearing device |
| JP2007205455A (en) * | 2006-02-01 | 2007-08-16 | Nsk Ltd | Rolling bearing |
| JP2008064248A (en) * | 2006-09-08 | 2008-03-21 | Ntn Corp | Rolling bearing cage, rolling bearing, and spindle supporting structure for wind power generator |
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| CN201513472U (en) * | 2009-09-30 | 2010-06-23 | 六安滚动轴承有限公司 | Novel single-row self-aligning roller bearing |
| CN102454699A (en) * | 2010-10-23 | 2012-05-16 | 瓦房店正达冶金轧机轴承有限公司 | Toroidal roller bearing with high radial bearing capacity |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339405A (en) * | 2017-04-28 | 2017-11-10 | 天津修船技术研究所(中国船舶重工集团公司第六三三研究所) | Prevent axial moving device |
| CN107339405B (en) * | 2017-04-28 | 2023-09-05 | 天津修船技术研究所(中国船舶重工集团公司第六三一三研究所) | Axial-direction-scraping-preventing device |
| CN107228124A (en) * | 2017-08-11 | 2017-10-03 | 苏州顺革智能科技有限公司 | A kind of special-shaped needle bearing |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |
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| RJ01 | Rejection of invention patent application after publication |