CN107110223B - The noise isolation bearing with oval slot for CVT speed changer - Google Patents
The noise isolation bearing with oval slot for CVT speed changer Download PDFInfo
- Publication number
- CN107110223B CN107110223B CN201580073236.0A CN201580073236A CN107110223B CN 107110223 B CN107110223 B CN 107110223B CN 201580073236 A CN201580073236 A CN 201580073236A CN 107110223 B CN107110223 B CN 107110223B
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- China
- Prior art keywords
- slot
- rolling bearing
- outer race
- supporting leg
- rotation axis
- Prior art date
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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
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/04—Ball or roller bearings, e.g. with resilient rolling bodies
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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
- F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
- F16C19/527—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions related to vibration and noise
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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
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/06—Elastic or yielding bearings or bearing supports, for exclusively rotary movement by means of parts of rubber or like materials
- F16C27/066—Ball or roller 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
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/63—Gears with belts and pulleys
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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
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/65—Gear shifting, change speed gear, gear box
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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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
Abstract
The present invention relates to a kind of rolling bearing (1), the rolling bearing includes bearing inner ring (2)；Outer race (3), the outer race surround the bearing inner ring and are disposed radially within except bearing inner ring (2)；Multiple rolling elements (4), the rolling element are arranged between bearing inner ring (2) and outer race (3)；With at least one slot (8), the slot is placed in outer race (3), the slot includes cell wall (9) and slot bottom (10), the slot bottom is located on the end of the inner radial of cell wall, wherein there are insulation component (11) on outer race (3), the insulation component is designed for sound insulation and vibration damping, wherein insulation component (11) has sleeve section (12) and at least one supporting leg (13), the supporting leg is extended radially inwardly from the sleeve section (12), wherein supporting leg (13) is joined in slot (8).The invention further relates to a kind of CVT speed changer, at least one rolling bearing (1) according to the present invention is installed in the CVT speed changer.
Description
Technical field
The present invention relates to a kind of rolling bearing, the rolling bearing includes bearing inner ring；Outer race, outside the bearing
Ring surrounds the bearing inner ring and is disposed radially within except bearing inner ring；Multiple rolling elements, the rolling element are arranged in bearing
Between inner ring and outer race；With at least one slot, the slot is placed in outer race, and the slot includes cell wall and slot bottom, institute
On the end for stating the inner radial that slot bottom is located at cell wall, wherein there are insulation component on outer race, the insulation component is set
Meter is used for sound insulation and vibration damping, and wherein insulation component has sleeve section and at least one supporting leg, and the supporting leg is from described
Sleeve section is risen and is extended radially inwardly, and wherein supporting leg is joined in slot.The invention further relates to a kind of CVT speed changer (stepless changes
Fast device), the CVT speed changer has this rolling bearing.
Background technique
Different types of embodiment of known such rolling bearing from the prior art.EP 1 908 972
B1 for example discloses a kind of for supporting the decoupling equipment of the axis of CVT speed changer.Diameter is provided between outer race and shell
To axis spring, the radial direction axis spring allows the limited opposite radial direction between inside face and exterior face under elastic deformation
Movement.As an alternative, suit has the spring spool of whole U-shaped cross-section, and the spring spool forms radial axis spring, the cross
The bottom that the whole axis in section stretches in parallel is radially protruded, and selectively has notch.
10 2,012 209 459 A1 of DE discloses a kind of bearing, and the design bearing is for use in CVT speed changer.
Rolling bearing has outer race and shell, and the shell is disposed radially within except outer race.Shell surrounds outer race and borrows
The side wall radially extended is helped to recline two axial faces of outer race.Sidewall shape is ordinatedly fixed on outer race.Shell is used
In being acoustically isolated.
The shortcomings that known embodiment, is: when using in the CVT speed changer with chain, not subtracting fully
Vibration, installation is consuming and rolling bearing is that cost is very high.
Summary of the invention
The purpose of the present invention is: these known disadvantages from the prior art are eliminated, and realize that improved vibration reduces
And reduce chain noise.
The purpose theme according to claim 1 is realized.
The supporting leg of slot and insulation component cooperates, so that the longitudinal end face of supporting leg is at least opposite at two of slot
Contact groove bottom at the first area set, and be at least spaced apart at two other opposite second areas with slot bottom.Slot
It is stretched at most deep position around rotation axis at bottom.In this regard, such as slot is non-circular or slot bottom in bottom around rotary shaft
The shape of line is different from circular trace.Here, the inward flange (longitudinal end face) towards rotating shaft axis of supporting leg is around rotation
The shape of shaft axis continues to follow the round wires around rotation axis.Slot preferably on rotation axis there is radial direction to set opposite to each other
First area, in the first area compared with the second area offset from it around rotation axis, slot bottom is away from rotation axis
Spacing it is bigger, spacing of the slot bottom away from rotation axis is smaller in the second region.Here, first area is along around rotary shaft
The ring circumferential direction of line is torsionally staggered 90 ° or more or less preferably with respect to the secondth area.In the transversal of corresponding rolling bearing
It is observed in face, such as obtains the oval or oval shape that slot bottom surrounds rotation axis.Therefore and because of supporting leg
End face stretches in the round wires (or cylindrical surface) around rotation axis on the contrary, so in the longitudinal end face of supporting leg and slot bottom
Between sickle-shaped gap (gap) is radially obtained for example between end face and slot bottom in the height of second area.By
This, insulation component is radial compliance according to the radial dimension in sickle-shaped gap.As an alternative, the shape of slot bottom can be substantially
Follow Circular test/cylindrical surface, but subsequent section be transitioned into the second area ring Zhou Dingxiang, linear or arc scabble
Portion forms bowed or sickle-shaped gap by the flattened portion between slot bottom and end face.The maximum radial direction in gap
Size is preferably roughly equivalent to the feelings measured between the end face of supporting leg in the state of rolling bearing loading and non-load
The half of the net internal diameter of insulation component subtracts most short spacing of the second area bracket groove bottom away from rotation axis under condition.
The present invention has the advantages that obtaining two different elasticity of insulation component in the state that rolling bearing is packed into
Region.Insulation component towards the direction flexibly more hard place of first area, i.e., more rigidly acts under loading state, because of support
Leg is supported in slot bottom.In the second area, insulation component is flexibly softer, i.e., less rigid, because between leg and slot bottom
Gap can be with elastomeric radial.In this regard, rolling bearing is packed into a manner of the orientation of direction about rotation center, so that radial
Radial direction main load direction orientation of the opposite first area along rolling bearing.In this case, therefore rolling bearing is orientated,
So that rolling bearing reliably via outer race radial support and is radially supported on insulation fully up towards the side of main load
On element, because in this region, supporting leg reclines slot bottom.Thus second area is oriented along the direction of exciting force, the exciting
Power acts on rolling bearing during operation.Between the slot bottom and supporting leg of outer race the position firstly there are
Gap, the gap can be according to load variations.Therefore, advantages of the present invention is lain also in: rolling bearing can be used in supporting CVT change
The drive shaft and/or driven shaft of fast device.In this case, main load direction is chain pull direction, and for example due to chain
The pin bevel gear pair that acts on CVT speed changer tapered surface on impact pulse generate exciting force.Therefore, and along other directions
It compares, obtains the more rigid characteristic of insulation component along chain pull direction.Radial exciting force is preferably and outside bearing as a result,
Ring isolation, and then reach better sound insulation and vibration damping.
The reliable support of insulation component is obtained in two slots in slot.Axial end side structure of each slot in outer race
At.Insulation component correspondingly has there are two leg, and each of described leg is joined in each slot of slot.In addition, insulation
Element can be axially tensioned in the slot of outer race via supporting leg, so that preventing supporting leg under a load prevents axial direction curved
Bent or broadening.Also advantageously: supporting leg is in slot relative to outer race at least in first area and/or second area
Tightly.Consolidate supporting leg and then firm insulation component in the axial direction and in radial directions as a result,.Supporting leg is close to each other
Tensioning is tensioned away from each other, and is preferably formed as cooperating with the surface force-fitting of outer race, material mating and/or shape
Connection.Hereby it is achieved that quickly and simply installing and transporting and ensuring during installation reliably holding and reliably behaviour
Make.A design scheme according to the present invention constitutes the connection of shape cooperation, the clamping protrusion engagement by means of clamping protrusion
Into slot.
Bearing inner ring and outer race are typically made from steel.Insulation component closes preferably by metal, such as by steel alloy or aluminium
Gold is constituted.The material proposed, which is suited well for effective noise, is isolated and also carries high load.It also it can be considered that will
Plastics are applied in combination as sole material for insulation component or with other above-mentioned materials.
A design scheme of the invention proposes: supporting leg is diametrically short, that is, the overall diameter of rolling bearing
About 80% or rolling bearing axial width 10% to 25%.The radial structure height occupied as a result, by rolling bearing
It is kept as rigidity as small as possible, and optimizing radial.
A design scheme of the invention proposes: insulation component multi-piece type, preferably constitute in two style.It is enclosing as a result,
Air gap can be retained between the corresponding end of component, and support damping effect.Another design scheme of the invention proposes:
At least one damping element is provided between insulation component and outer race, the damping element is by elastomer or by rubber material
It constitutes.Advantageously, the damping element additionally assists in vibration damping.
In addition, the present invention relates to a kind of CVT speed changers at least one rolling bearing according to the present invention, wherein rolling
The bearing inner ring of dynamic bearing is located on drive shaft or driven shaft.Also referred to as there are two CVT speed changer tool of the taper cone pulley with speed changer
Conical disc pair.The disk surrounds the hitch structure by belt or chain form.The transmission ratio of speed changer is by changing conical disc pair
Between spacing change.Metal bracelet is particularly for transmitting 300Nm and bigger higher torque.It is set side by side each other with multiple rows of
The connecting plate set synthesizes chain by means of pin bank.By the end face of pin and the taper face contact of conical disc, in chain and conical disc
Between form static friction.When the end face of the pin in circular chain is encountered on tapered surface, impact pulse is formed.Thus it excites
Vibrating can be heard or be perceived via by its bearing arrangement on vehicle structure by the structure of CVT speed changer as solid sound
To passing in vehicle interior.Such as start to have been described, can be particularly effective in the supporting portion of CVT speed changer by the present invention
Ground attenuation/isolation/insulation sound and vibration.
Detailed description of the invention
In the following, elaborating the present invention according to embodiment.Identical component and element are equipped with identical in different views
Appended drawing reference.Diagram does not meet ratio.
Fig. 1 shows the front view of rolling bearing 1 according to the present invention.
Fig. 2 shows the longitudinal sections in the height of the line II-II of rolling bearing 1 shown in FIG. 1 along rotation axis 17
Figure.
Fig. 3 shows the longitudinal section in the height of the line III-III of rolling bearing 1 shown in FIG. 1 along rotation axis
Figure.
Fig. 4 shows the side view of rolling bearing 1 and Fig. 5 shows and runs through rolling bearing 1 shown in Fig. 4 along line V-V
Cross-sectional view.
Fig. 6 shows the side view of the outer race 3 of rolling bearing 1 shown in Fig. 1 and 6 and Fig. 7 is shown along according to Fig. 6
Cross section through outer race 3 of the line VII-VII in the height of slot 8.
Fig. 8 shows CVT speed changer, and the CVT speed changer incompletely and is simplifiedly shown with symbol.
Specific embodiment
Rolling bearing 1 is shown by Fig. 1,2 and 3.Rolling bearing 1 has bearing inner ring 2 and the axis around bearing inner ring 2
Hold outer ring 3.The axis of symmetry of bearer ring 2 and 3 is rotation axis 17.Multiple rolling elements 4 for being configured to ball are kept in rolling element
Radially it is arranged in a manner of being distributed around rotation axis 17 between bearing inner ring 2 and outer race 3 in frame 5.
Fig. 1,5 and 7: the line II and line III perpendicular to line II extends through the rotation center 6 of rolling bearing 1, the rotation
Center is located on rotation axis 17.
Fig. 2,3,5,6 and 7: outer race 3 is set on exterior face 7 there are two slot 8.There are two radially extend each tool of slot 8
Cell wall 9 and the slot bottom 10 on its radial inner end.
Fig. 1,2,3,4 and 5: the insulation component 11 designed for sound insulation and vibration damping is joined in the slot 8 of outer race 3.Absolutely
Edge element 11 is two-piece type, is made of two individual half-shell 11a and 11b and circlewise constitutes in the assembled state.
Half-shell 11a and 11b is constituted substantially the samely, and common row forms a circle in the case where notch 18, and the circle is radial
Outer race 3 is surrounded from outside.
Fig. 2 and 3: insulation component 11 is made of the supporting leg 13 that sleeve section 12 and two extend radially inwardly.Here,
Supporting leg 13 is joined in the slot 8 of rolling bearing 1.Insulation component 11 is observed in cross-section is configured to U-shaped, has in end side
In lateral axially projecting extension section/convex shoulder 5 of supporting leg 13.In addition, insulation component 11 has in sleeve section 12
Convex, spherical shape.Sleeve section 12 is radially spaced apart relative to the cylindrical outer surface 7 of outer race 3, axial
Ground extends with 17 identical orientation of rotation axis, and in the case where possible notch 18, circumferentially along outer race 3
Ring Zhou Shenzhan, so that sleeve section 12 surrounds the outer surrounding place side of outer race 3 from radially outer.Sleeve section 12 has and bearing
Identical axial width at its widest position of outer ring 3, but as an alternative also can be more wider or narrower than outer race.
Supporting leg 13 extends inwardly in a radial direction, and wherein the two supporting legs 13 substantially parallel with each other stretch, and
And substantially in the inside length having the same of radial direction.Supporting leg 13 divide discoid basic section and integral type with
Its clamping connected protrusion.Axial convex shoulder is formed on each supporting leg 13 by clamping protrusion.Supporting leg 13 is on such as downside
With its convex shoulder, the end side identical orientation of the side and outer race 3 and in axial direction it is supported in slot contact pin 16.This two
A slot contact pin 16 circular around rotation axis 17 is formed on its end side in the axial end portion side of outer race 3.Supporting leg 13
It is tensioned in outer race 3 to shape cooperation and/or force-fitting, and then is locked to/snaps onto slot 8.The two supporting legs 13
Axially there is wall thickness more smaller than the thickness of the sleeve section 12 of insulation component 11 in radial directions.
Fig. 2,3,5 and 7: being shown below difference by means of the view of Fig. 2 and 3, the difference for slot 8 shape and/or
The shape of supporting leg 13 is generated by the loading of the azimuthal orientation of rolling bearing 1.The difference is based on common with insulation component 11
The slot 8 of effect shown in Fig. 5 and 7 in particular according to geometry of the invention.
Fig. 5 and 7: the circle description that the cross section of the profile of the external cylindrical surface of outer race 3 is R by radius.Slot 8 is in slot bottom
In 10 around rotation axis 17 profile can regard as in cross-section it is oval or oval because the profile can
Pass through a length of a1And a2Two major semiaxis and a length of b1And b2Two semi-minor axis describe.Spacing a1Or a2Respectively in figure
Radial spacing of the slot bottom 10 away from rotation axis 17 is represented on vertical direction.With vertical semiaxis vertical stretching, having a size of b1And b2's
Semiaxis relates separately to spacing of the slot bottom 10 away from rotation axis 17 in the horizontal direction.Distance a1Or a2Respectively than distance b accordingly1
And b2It is longer.Distance a1And a2Length being capable of identical length or different from each other.Distance b1And b2Length can identical length or
It is different from each other.It is obtained according to the view in Fig. 7:
Depth Ta of the slot 8 at most flat position1=R-a1Or Ta2=R-a2；
Depth Tb of the slot 8 at most deep position1=R-b1Or Tb2=R-b2；
-a1And a2Difference > b1And b2；
-Tb1And Tb2Difference > Ta1And Ta2；
Wherein in the view of Fig. 1 and 7, the most flat position Ta of slot 81Or Ta2The intersection point with line II is respectively in figure
Above and below, and the most deep position Tb of Fig. 81Or Tb2The left and right side of line III is in figure.Here, in phase
Spacing a of the most flat position by slot bottom 8a away from rotation axis 17 in the first area answered1Or a2Description.Corresponding second
Most deep position in region passes through corresponding spacing b1Or b2Description.
Therefrom obtain: as shown in Figure 2, the radial end face 14 of supporting leg 13 contact groove bottom 10 within slot 8.Cause
This, is being not present contact between the slot contact pin 16 of slot 8 and supporting leg 13 in the region of convex shoulder 15.In corresponding convex shoulder 15 and phase
The damping element 35 for being configured to the elasticity of O-ring is respectively arranged between opposed slot contact pin 16.In contrast, supporting leg 13
Radial end face 14 is spaced apart in the view according to Fig. 3 with the slot bottom 10 of slot 8.
Insulation component 11 is configured to metal composite part, i.e., is made of steel or aluminium alloy.
Alternative is in the embodiment above, and the depth of slot is that constant and supporting leg height is not constant, so that support
The slot bottom of the radial end face and slot of leg only contacts at preset region.
Fig. 8: showing CVT speed changer 19, in the CVT speed changer, conical disc 20a and drive shaft 21 of the conical disc to 20
It connects and is effectively connect with the gear mesh of intermediate gear stages 22.Conical disc to 20 another conical disc 20b anti-rotatably, still
It is movably positioned in drive shaft 21.Drive shaft 21 can be rotated to support on speed changer at supporting portion 23 and supporting portion 24
In 19 shell 29.Another conical disc is arranged 20 1 fixed spacings away from conical disc to 25.Chain 34 is around conical disc to 20 and 25.
Conical disc connect 25 conical disc 25a with the driven shaft 26 of speed changer 19.Conical disc to 25 another conical disc 25b anti-rotating
Ground is still movably positioned on driven shaft 26.Driven shaft 26 is supported on shell 29 at supporting portion 27 and supporting portion 28
In.The gear 31 of gear mesh 22 is placed on transmission shaft 21 and is in tooth engagement with gear 30.The axis 32 of gear 30 is supporting
It is rotatably supported at position 33 in shell 29.In single or multiple at least one supporting portion occupied by rolling bearing
23, at least one rolling bearing 1 according to the present invention is housed in 27,28,29.
For example, in order to support the drive shaft 21 of CVT speed changer, each rolling bearing 1 is loaded into 23 He of supporting portion
In 24.Here, rolling bearing 1 shown in FIG. 1 is orientated respectively, so that corresponding line II is indicated by an arrow along Fig. 8
It is directionally stretched along the main effect direction of power in turn in chain pull direction.Rolling bearing is loaded into as a result, so that corresponding line
III is oriented perpendicular to plotting planes in this case towards the direction of exciting force.
Reference signs list
| 1 | Rolling bearing | 20a | Conical disc |
| 2 | Bearing inner ring | 20b | Conical disc |
| 3 | Outer race | 21 | Drive shaft |
| 4 | Rolling element | 22 | Transmission shaft |
| 5 | Roller holder | 23 | Supporting portion |
| 6 | Rotation center | 24 | Supporting portion |
| 7 | Exterior face | 25 | Conical disc pair |
| 8 | Slot | 25a | Conical disc |
| 9 | Cell wall | 25b | Conical disc |
| 10 | Slot bottom | 26 | Driven shaft |
| 11 | Insulation component | 26a | Axle journal |
| 11a | Half-shell | 27 | Supporting portion |
| 11b | Half-shell | 28 | Supporting portion |
| 12 | Sleeve section | 29 | Shell |
| 13 | Supporting leg | 30 | Gear |
| 14 | Radial end face | 31 | Gear |
| 15 | Convex shoulder | 32 | Axis |
| 16 | Slot contact pin | 33 | Supporting portion |
| 17 | Rotation axis | 34 | Chain |
| 18 | Notch | 35 | Damping element |
| 19 | CVT speed changer | ||
| 20 | Conical disc pair |
Claims (8)
1. a kind of rolling bearing (1), the rolling bearing include bearing inner ring (2)；Outer race (3), the outer race packet
It encloses the bearing inner ring and is disposed radially within except the bearing inner ring (2)；Multiple rolling elements (4), the rolling element setting
Between the bearing inner ring (2) and the outer race (3)；With at least one slot (8), the slot is placed in the outer race
(3) in, the slot includes cell wall (9) and slot bottom (10), and the slot bottom is located on the end of the inner radial of the cell wall, wherein
There are insulation component (11) on the outer race (3), the insulation component is designed for sound insulation and vibration damping, wherein described exhausted
Edge element (11) has sleeve section (12) and at least one supporting leg (13), and the supporting leg is from the sleeve section (12)
It rises and extends radially inwardly, wherein the supporting leg (13) is joined in the slot (8),
It is characterized in that, the supporting leg (13) of the slot (8) and the insulation component (11) cooperates, so that the branch
The longitudinal end face (14) of support leg (13) contacts the slot bottom at least at two opposite first areas of the slot (8)
(10), it and is at least spaced apart at two other opposite second areas with the slot bottom (10).
2. rolling bearing according to claim 1, which is characterized in that the bearing inner ring (2), the outer race (3)
Rotation axis (17) with the slot (8) jointly around the rolling bearing (1) stretches, wherein being configured to the described of annular groove
Slot (8) has the shape different from circular ring shape around the rotation axis (17), and is wherein surrounding the rotation axis
(17) in shape, at the first area that two are set opposite to each other on the rotation axis (17), the slot pitch institute
The spacing (a1, a2) for stating rotation axis (17) is greater than at the second area set opposite to each other at two slot (8) away from institute
State the spacing (b1, b2) of rotation axis (17).
3. rolling bearing (1) according to claim 1 or 2, which is characterized in that there are two slots (8), each supporting leg
(13) it extend into the slot.
4. rolling bearing (1) according to claim 3, which is characterized in that the supporting leg (13) in the slot (8) extremely
It is few to be axially tensioned in the first area and/or in the second region relative to the outer race (3).
5. rolling bearing (1) according to claim 1, which is characterized in that the cross section of the slot (8) has oval expansion
The extension of the extension of exhibition portion or circular ring shape, the circular ring shape has at least two flattened portions.
6. a kind of CVT speed changer (19), in the CVT speed changer, the first conical disc for effectively being connect with institute's drive shaft (21)
(25) are linked to each other via traction mechanism to (20) and with the second conical disc that driven shaft (26) is effectively connect, and institute
CVT speed changer is stated with multiple supporting portions (23,27,28,29,33), wherein the supporting portion (23,27,28,29,
33) on, axis (21,26,33) is supported in shell (29) with being able to rotate,
It is characterized in that, being equipped at least one supporting portion of the supporting portion (23,27,28,29,33) according to power
Benefit require any one of 1 to 5 described in rolling bearing (1).
7. CVT speed changer according to claim 6, which is characterized in that the drive shaft (21) and/or the driven shaft
(26) it is supported by means of at least one rolling bearing (1) according to claim 1.
8. CVT speed changer according to claim 7, which is characterized in that the first area with rotation axis (17) phase
It is opposite on the First Line (II) of friendship, wherein a supporting part of the rolling bearing (1) in the supporting portion (23,24)
Position in be mounted to so that the First Line (II) along main load direction orient, and wherein the main load direction correspond to borrow
At least one direction of pull for the traction mechanism for helping conical disc circular to (20,25), and the second area is in the second line
(III) it is set opposite to each other on, and here, second line (III) is squarely oriented relative to the First Line (II), and
Intersect with the rotation axis (17).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015200469.4 | 2015-01-14 | ||
| DE102015200469 | 2015-01-14 | ||
| PCT/DE2015/200508 WO2016112887A1 (en) | 2015-01-14 | 2015-11-17 | Noiseless bearing for a continuously variable transmission with an oval groove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107110223A CN107110223A (en) | 2017-08-29 |
| CN107110223B true CN107110223B (en) | 2019-04-09 |
Family
ID=54849076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580073236.0A Active CN107110223B (en) | 2015-01-14 | 2015-11-17 | The noise isolation bearing with oval slot for CVT speed changer |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN107110223B (en) |
| DE (1) | DE102015222644A1 (en) |
| WO (1) | WO2016112887A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017222792A1 (en) * | 2017-12-14 | 2019-06-19 | Aktiebolaget Skf | bearing arrangement |
| AT17883U1 (en) * | 2022-03-31 | 2023-06-15 | Alexander Singer Schnoeller | Repair sleeve for a roller bearing |
| DE102022111286B3 (en) | 2022-05-06 | 2023-06-01 | Schaeffler Technologies AG & Co. KG | Rolling bearing assembly, electrical machine and gear assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1423950A (en) * | 1919-11-03 | 1922-07-25 | Nordiska Kullager Ab | Antifriction ball or roller bearing |
| US3976340A (en) * | 1974-01-23 | 1976-08-24 | Nadella | Device for mounting a radial rolling bearing |
| US5062721A (en) * | 1989-04-28 | 1991-11-05 | Nippon Seiko Kabushiki Kaisha | Rolling bearing with sleeve |
| DE19958073A1 (en) * | 1998-12-16 | 2000-06-21 | Luk Getriebe Systeme Gmbh | Infinitely-variable conical gear drive has ring-shaped sound dampener |
| DE10203307A1 (en) * | 2001-02-01 | 2002-08-08 | Luk Lamellen & Kupplungsbau | Bearing unit for rotating shaft has flexible element consisting of at least one annular element which is radially corrugated or has projections |
| CN202500896U (en) * | 2012-03-14 | 2012-10-24 | 中国航空动力机械研究所 | Duplex bearing |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE50310608D1 (en) * | 2002-02-28 | 2008-11-20 | Luk Lamellen & Kupplungsbau | DECOUPLING DEVICE FOR STORING A SHAFT ON A BASE BODY AND RADIALWAVE SPRING |
| DE102012209459A1 (en) | 2012-06-05 | 2013-12-05 | Schaeffler Technologies AG & Co. KG | Bearing for continuously variable transmission gear box for motor car, has shell located in contact with side flanges at two axial surfaces of outer bearing ring, where one side flange is fixed at outer bearing ring in form-fit manner |
-
2015
- 2015-11-17 WO PCT/DE2015/200508 patent/WO2016112887A1/en active Application Filing
- 2015-11-17 CN CN201580073236.0A patent/CN107110223B/en active Active
- 2015-11-17 DE DE102015222644.1A patent/DE102015222644A1/en not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1423950A (en) * | 1919-11-03 | 1922-07-25 | Nordiska Kullager Ab | Antifriction ball or roller bearing |
| US3976340A (en) * | 1974-01-23 | 1976-08-24 | Nadella | Device for mounting a radial rolling bearing |
| US5062721A (en) * | 1989-04-28 | 1991-11-05 | Nippon Seiko Kabushiki Kaisha | Rolling bearing with sleeve |
| DE19958073A1 (en) * | 1998-12-16 | 2000-06-21 | Luk Getriebe Systeme Gmbh | Infinitely-variable conical gear drive has ring-shaped sound dampener |
| DE10203307A1 (en) * | 2001-02-01 | 2002-08-08 | Luk Lamellen & Kupplungsbau | Bearing unit for rotating shaft has flexible element consisting of at least one annular element which is radially corrugated or has projections |
| CN202500896U (en) * | 2012-03-14 | 2012-10-24 | 中国航空动力机械研究所 | Duplex bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016112887A1 (en) | 2016-07-21 |
| CN107110223A (en) | 2017-08-29 |
| DE102015222644A1 (en) | 2016-07-14 |
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