CN108953370A - self-aligning thrust bearing - Google Patents
self-aligning thrust bearing Download PDFInfo
- Publication number
- CN108953370A CN108953370A CN201710357027.XA CN201710357027A CN108953370A CN 108953370 A CN108953370 A CN 108953370A CN 201710357027 A CN201710357027 A CN 201710357027A CN 108953370 A CN108953370 A CN 108953370A
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- CN
- China
- Prior art keywords
- thrust bearing
- seat ring
- rolling element
- seat
- aligning thrust
- 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
- 238000005096 rolling process Methods 0.000 claims abstract description 74
- 230000004992 fission Effects 0.000 claims description 25
- 238000000465 moulding Methods 0.000 claims description 9
- 238000003032 molecular docking Methods 0.000 claims description 7
- 241000222712 Kinetoplastida Species 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 abstract 1
- 238000013461 design Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000004217 heart function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Support Of The Bearing (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The embodiment of the invention provides a self-aligning thrust bearing, which comprises a shaft ring, a first rolling body, a second rolling body, a first main race, a second main race and a secondary race, wherein rolling contact surfaces are respectively arranged along two axial sides of the shaft ring and are in rolling contact with the first rolling body and the second rolling body respectively; the inner wall surface of the secondary seat ring is an inwards concave spherical surface, the spherical center of the spherical surface of the secondary seat ring is positioned on the axis of the shaft ring, and the first main seat ring and the second main seat ring are respectively matched with the spherical surface of the secondary seat ring through outer spherical surfaces. The aligning thrust bearing provided by the embodiment of the invention can realize a bidirectional aligning function.
Description
Technical field
The present invention relates to thrust bearing field, specifically a kind of aligning thrust bearing.
Background technique
The difference of loading direction or nominal contact angle that rolling bearing can bear by it is divided into: radial bearing and thrust axis
It holds.Wherein it is believed that bearing substantial radial load, and thrust bearing is primarily subjected to axial load, the use environment of the two have compared with
Big difference, and between each other almost without alternative.
Rolling bearing in the process of work, be scrolled the rotatable parts of loading ability of bearing rotation usually have it is certain inclined
Heart rotation, bounce.In this regard, needing to carry out aligning design to rolling bearing.
For the aligning design of radial bearing, such as " automatic aligning ball bearing " disclosed in CN101975218A, by bearing
The outer surface of outer ring is designed as spherical structure, realizes universal rotational connection, which needs to be specifically designed support base, it is impossible to be used in
It is used inside precision equipment, and can not directly replace existing ball bearing structure, if this is designed to carry out
In the process, it needs to design corresponding supplementary structure, it is clear that will increase the difficulty of its implementation.In view of radial bearing and thrust bearing
Loading direction it is different, which cannot be used for thrust bearing.
For the aligning design of thrust bearing, for example, disclosed in CN103438018B " for water-filling submersible electric pump from
Dynamic aligning thrust bearing ", " a kind of list disclosed in " Self-aligning thrust bearing ", CN203892371U disclosed in CN204113896U
To aligning thrust bearing " etc. using cone structure carry out aligning.According to skilled person will appreciate that, carried out using cone structure
Aligning is typically only capable to realize the effect of unidirectional aligning, cannot achieve two-way aligning；And use cone structure can not be in confrontation diameter
To bounce when show its good performance.
Summary of the invention
In view of techniques discussed above status, the embodiment of the invention provides a kind of aligning thrust bearings, solve aligning and push away
The problem of power bearing two-way aligning.
According to an aspect of an embodiment of the present invention, a kind of aligning thrust bearing is provided, comprising:
Blowout patche, the first rolling element, the second rolling element, the first seat of honour circle, the second seat of honour circle, wherein along axial the two of blowout patche
Side is respectively provided with the face of being in rolling contact, and is in rolling contact respectively with the first rolling element and the second rolling element, first seat of honour circle with it is described
First rolling element is in rolling contact, and second seat of honour circle is in rolling contact with second rolling element；
Aligning thrust bearing provided in this embodiment, further includes:
Secondary seat ring, the inner wall of the secondary seat ring are the spherical surface of indent, and the spherical surface of the secondary seat ring
The centre of sphere is located on the axis of the blowout patche, and first seat of honour circle, second seat of honour circle pass through spherical outside surface and described time respectively
The spherical surface of seat ring cooperates.
Selectively, the aligning thrust bearing, further includes:
First retainer, for keeping first rolling element along the ring between the blowout patche and first seat of honour circle
Shape orbital plane；And/or
Second retainer, for keeping second rolling element along the ring between the blowout patche and second seat of honour circle
Shape orbital plane.
Selectively, the center of the secondary seat ring is overlapped with the center of the blowout patche.
Selectively, first rolling element is needle roller, cylindrical roller, taper roller or ball.
Selectively, second rolling element is needle roller, cylindrical roller, taper roller or ball.
Selectively, the secondary seat ring is integrally formed, and an abutment joint is equipped on the circumference of secondary seat ring.
Selectively, the secondary seat ring is seperated molding, using two semicircular ring fission spicing forming types, or uses two
The connection molding of annulus fission.
Selectively, it by welded connecting between described two semicircular ring fissions, or is fixed by outer ferrule.
Selectively, described two annulus fissions are connected through a screw thread perhaps by passing through after being welded to connect or docking
Outer ferrule is fixed.
Selectively, around the secondary seat ring external peripheral surface be equipped with oil groove, and on the oil groove be equipped with it is described
The oil guiding hole of the spherical surface connection of secondary seat ring.
Aligning thrust bearing provided in an embodiment of the present invention, can be realized two-way aligning function.If the left side of blowout patche by
Power, then right row's rolling element is by thrust；, whereas if the right side stress of blowout patche, then left side rolling element is by thrust.Due to
Aligning thrust bearing provided in an embodiment of the present invention, the inner wall of secondary seat ring are the spherical surface of indent, the ectosphere with seat of honour circle
Face contact, bending while by axial force if there is axis perturb, and can compensate biggish aligning deflection angle.
Components are packed into seat ring, are easily installed transport by aligning thrust bearing provided in an embodiment of the present invention, convenient for existing
Field installation.
Detailed description of the invention
The present invention may be better understood from the description with reference to the accompanying drawing to a specific embodiment of the invention,
In:
By reading detailed description of non-limiting embodiments referring to the drawings, other feature of the invention,
Objects and advantages will become more apparent upon, wherein the same or similar appended drawing reference indicates the same or similar feature.
Fig. 1 is the half section structure diagram for the aligning thrust bearing that one embodiment of the invention provides；
Fig. 2 is the schematic perspective view for the aligning thrust bearing that one embodiment of the invention provides.
In figure:
10, blowout patche；
21, the first rolling element；22, the second rolling element；
31, the first seat of honour circle；32, the second seat of honour circle；33, secondary seat ring；
41, the first retainer；42, the second retainer；
510 oil grooves；51, oil guiding hole.
Specific embodiment
The feature and exemplary embodiment of various aspects of the invention is described more fully below.In following detailed description
In, many details are proposed, in order to provide complete understanding of the present invention.But to those skilled in the art
It will be apparent that the present invention can be implemented in the case where not needing some details in these details.Below to implementation
The description of example is used for the purpose of providing by showing example of the invention and better understanding of the invention.The present invention never limits
In any concrete configuration set forth below and algorithm, but cover under the premise of without departing from the spirit of the present invention element,
Any modification, replacement and the improvement of component and algorithm.In the the accompanying drawings and the following description, well known structure and skill is not shown
Art is unnecessary fuzzy to avoid causing the present invention.
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention more
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.In the figure in order to clear
It is clear, it may be exaggerated the thickness of region and layer.Identical appended drawing reference indicates same or similar structure in figure, thus will save
Slightly their detailed description.
In addition, described feature, structure or characteristic can be incorporated in one or more implementations in any suitable manner
In example.In the following description, many details are provided to provide and fully understand to the embodiment of the present invention.However,
It will be appreciated by persons skilled in the art that technical solution of the present invention can be practiced without one in the specific detail or more
It is more, or can be using other methods, constituent element, material etc..In other cases, be not shown in detail or describe known features,
Material or operation are to avoid major technique intention of the invention is obscured.
As shown in Figs. 1-2, one embodiment of the invention provides a kind of aligning thrust bearing, including blowout patche 10, the first rolling element
21, the second rolling element 22, the first seat of honour circle 31, the second seat of honour circle 32 and secondary seat ring 33；
Wherein: being respectively provided with the face of being in rolling contact along the axial sides of blowout patche 10, rolled respectively with the first rolling element 21 and second
Kinetoplast is in rolling contact, and the first seat of honour circle 31 is in rolling contact with the first rolling element 21, and the second seat of honour circle connects with the rolling of the second rolling element
Touching；
The inner wall of secondary seat ring 33 is the spherical surface of indent, and the centre of sphere of the spherical surface of secondary seat ring 33 is located at blowout patche
On 10 axis, the first seat of honour circle 31, the second seat of honour circle 32 are cooperated by the spherical surface of spherical outside surface and time seat ring 33 respectively.It will
The centre of sphere of the spherical surface of secondary seat ring 33 is placed on the axis of blowout patche 10, can make the first seat of honour circle 31 inside time seat ring 33,
Second seat of honour circle 32 is coaxially rotated along blowout patche 10.
Aligning thrust bearing provided in an embodiment of the present invention, the two sides of blowout patche pass through rolling element respectively and seat of honour circle rolls and connects
It connects, and each seat of honour circle passes through the spherical surface mating connection of the indent of spherical outside surface and time seat ring, can be realized two-way tune
Heart function.If the left side stress of blowout patche, right row's rolling element is by thrust；, whereas if the right side stress of blowout patche, then left
Kinetoplast is sidewindered by thrust.Due to aligning thrust bearing provided in an embodiment of the present invention, the inner wall of secondary seat ring is indent
Spherical surface, the ectosphere face contact with seat of honour circle, bending while by axial force if there is axis perturb, can compensate compared with
Big aligning deflection angle.Components are packed into seat ring, are easily installed fortune by aligning thrust bearing provided in an embodiment of the present invention
It is defeated, it is convenient for in-site installation.
Selectively, aligning thrust bearing provided in an embodiment of the present invention further includes that the first retainer 41 and second is kept
Frame 42, in which:
First retainer 41 is for keeping the first rolling element 21 along the circular rails between blowout patche 10 and the first seat of honour circle 31
Road face；The effect of first retainer 41 is that the first rolling element 21 is guided and limited, it is ensured that the first rolling element 41 is in blowout patche
10 and the first circular orbit face between seat of honour circle 31 on roll；
Second retainer 42 is for keeping the second rolling element 22 along the circular rails between blowout patche 10 and the second seat of honour circle 32
Road face；The effect of first retainer 41 is that the first rolling element 21 is guided and limited, it is ensured that the first rolling element 41 is in blowout patche
10 and the first circular orbit face between seat of honour circle 31 on roll.
Understanding based on those skilled in the art, the first retainer 41 and the second retainer 42 may insure the first rolling element
21 and second the circumferential of rolling element 22 roll；But when not using the first retainer 41 and the second retainer 42, it can also lead to
Other auxiliary guidance and position limiting structure are crossed to realize that the first rolling element 21 and the circumferential of the second rolling element 22 roll, for example,
Design assistant guidance and position limiting structure on blowout patche 10 or corresponding seat of honour circle, so that the first rolling element 21, the second rolling element 22
It is circumferential to roll.
Selectively, aligning thrust bearing provided in an embodiment of the present invention, the center of secondary seat ring 33 and the center of blowout patche 10
It is overlapped.When entire aligning thrust bearing uses symmetrical structure, in the geometry of the center of blowout patche 10 and entire aligning thrust bearing
The heart is overlapped.The center of secondary seat ring 33 is overlapped with the center of blowout patche 10, the first seat of honour circle 31, the second seat of honour circle 32 can be made secondary
The effect of two-way aligning is identical in seat ring 33, can carry out any direction assembly during installation.
Selectively, aligning thrust bearing provided in an embodiment of the present invention, the first rolling element 21 be needle roller, cylindrical roller,
Taper roller or ball；Second rolling element 22 is needle roller, cylindrical roller, taper roller or ball.First rolling element 21 and second
Rolling element 22 can use identical roller structure, can also use different roller structures.Such as first rolling element 21 and
Two rolling elements 22 can all use cylindrical roller, and can be using symmetrical construction as described above in Example；It can also be with
Select low, one in the first rolling element 21 and the second rolling element 22 uses cylindrical roller, another uses ball, is needing in this way
In application, providing better support effect by cylindrical roller in one direction in the shaft to be retreated, and in the opposite direction
On, ball can provide faster revolving speed.
Selectively, aligning thrust bearing provided in an embodiment of the present invention, secondary seat ring 33 are integrally formed, and in secondary seat
The circumference of circle 33 is equipped with an abutment joint.Due to having the spherical surface of indent inside secondary seat ring 33, so entire seat ring
33 use annulus casting and forming, and internal blowout patche 10, the first seat of honour circle 31, the second seat of honour circle 32 would become hard to be assembled, institute
With by the docking mode of one abutment joint of design, for abutment joint in unassembled completion, width is larger, so that blowout patche 10, the
The inside that one seat of honour circle 31 and the second seat of honour circle 32 can be placed in time seat ring 33 passes through mach side after the assembly is completed
Formula reduces the abutment joint of secondary seat ring 33, makes entire aligning thrust bearing machine-shaping.
Selectively, aligning thrust bearing provided in an embodiment of the present invention, secondary seat ring 33 is seperated molding, using two and half
Annulus fission spicing forming type, or using two annulus fission connection moldings.
When being formed using two semicircular ring fissions, to the spherical surface for processing indent inside each semicircular ring, two and half
More complete spherical surface is formed after annulus docking.It is reconnected after being formed using two semicircular ring fissions, weldering specifically can be used
It connects or is fixedly connected by the mode of outer ferrule, can make time seat ring 33 that there is more stable structure, and after docking
Being interconnected and fixed for two semicircular ring separate structures can be completed by multiple means.Such as: the protrusion of tooth form can be used
The mode mutually chimeric with groove connects, and fixes by welding after connection, can also be directly in each semicircle
The end of ring fission processes plane abutment taces, fixes by welding again after docking；It can also be using auxiliary
Two semicircular ring fissions are fixed the mode of outer ferrule, specifically, design an outer ferrule, outer ferrule is socketed
In the outside of two semicircular ring fissions of spicing forming type, two semicircular ring fissions are fixed.
Using the connection molding of two annulus fissions, it is also desirable to go out the spherical surface of indent to each annulus parts processing, two
Cricoid joint face is formed after a annulus fission connection, by two by way of welding, threaded connection or by outer ferrule
A annulus fission connection molding.For example, the joint face in two annulus fissions of the spherical surface of processing indent processes screw thread,
In an annulus parts processing external screw thread, on another annulus fission process with external screw thread cooperation internal screw thread, two annulus
Fission is connected through a screw thread cooperation, forms the interior secondary seat ring with the spherical surface of indent；It can also divide using by two annulus
After body docking, it is welded to connect in interface；An outer ferrule can also be designed, outer ferrule is socketed in two annulus point
Two annulus fissions are fixed for the outside of body.Understanding based on those skilled in the art, can also be by above-mentioned a variety of
The combination of different connection types finally connects two annulus fissions to form time seat ring.
It is listed above, be it is contemplated that two different molding modes form aligning thrust bearing structure, can be with
It is improved and is refined in the process of implementation, belong to the design of inventor, those skilled in the art can also be in inventor
It is further perfect on the basis of design.For example, when those skilled in the art are using three (even more) annulus fission connections
When being shaped to aligning thrust bearing, the design for being equal to inventor should be regarded as.Those skilled in the art can also not depart from hair
Other modifications and adaptations are carried out on the basis of bright people's design.
Selectively, aligning thrust bearing provided in an embodiment of the present invention, the external peripheral surface around time seat ring 33 are equipped with
Oil groove 50, and the oil guiding hole 51 being connected to the spherical surface of secondary seat ring 33 is equipped on oil groove 50.Oil groove 50 is typically designed to ladder
Shape structure, and oil groove is generally positioned at the middle position of time seat ring outer surface, and by the oil guiding hole being set on oil groove 50
51 are connected to the spherical surface of time seat ring 33, so that the grease in oil groove 50 is imported into the spherical surface inside time seat ring 33,
It is lubricated with the rolling friction face to be slidably matched face and rolling element between secondary seat ring 33 and seat of honour circle.Based on ability
The understanding of field technique personnel, oil guiding hole 51 are preferably arranged at the most thin position of wall surface of time seat ring 33.
Those skilled in the art will be understood that above-described embodiment is illustrative and not restrictive.In different embodiments
The different technologies feature of middle appearance can be combined, to obtain beneficial effect.Those skilled in the art are in research attached drawing, explanation
On the basis of book and claims, the embodiment of other variations of revealed embodiment is will be understood that and realized.In right
In claim, term " comprising " is not precluded from other devices or steps；Indefinite article "one" be not excluded for it is multiple；Term " the
One ", " second " is for indicating title not for any specific sequence of expression.Any appended drawing reference in claim is not
It should be understood limiting of its scope.The function of the multiple portions occurred in claim can be by an individual hardware
Or software module is realized.Certain technical characteristic appearance are not meant in different dependent claims cannot be by these skills
Art feature is combined to obtain beneficial effect.
Claims (9)
1. a kind of aligning thrust bearing, comprising:
Blowout patche (10), the first rolling element (21), the second rolling element (22), the first seat of honour circle (31), the second seat of honour circle (32), wherein
It is respectively provided with the face of being in rolling contact along the axial sides of blowout patche (10), is connect respectively with the first rolling element (21) and the rolling of the second rolling element
Touching, first seat of honour circle (31) are in rolling contact with first rolling element (21), second seat of honour circle and second rolling
Kinetoplast is in rolling contact；
It is characterized by further comprising:
Secondary seat ring (33), the inner wall of the secondary seat ring (33) are the spherical surface of indent, and the ball of the secondary seat ring (33)
The centre of sphere on shape surface is located on the axis of the blowout patche (10), and first seat of honour circle (31), second seat of honour circle lead to respectively
The spherical surface for crossing spherical outside surface and the secondary seat ring (33) cooperates.
2. aligning thrust bearing as described in claim 1, which is characterized in that further include:
First retainer (41), for keeping first rolling element (21) along the blowout patche (10) and first seat of honour circle
(31) the circular orbit face between；And/or
Second retainer (42), for keeping second rolling element (22) along the blowout patche (10) and second seat of honour circle
(32) the circular orbit face between.
3. aligning thrust bearing as described in claim 1, which is characterized in that
The center of the secondary seat ring (33) is overlapped with the center of the blowout patche (10).
4. aligning thrust bearing as described in claim 1, which is characterized in that
First rolling element (21) is needle roller, cylindrical roller, taper roller or ball；
Second rolling element (22) is needle roller, cylindrical roller, taper roller or ball.
5. aligning thrust bearing as described in claim 1, which is characterized in that
The secondary seat ring (33) is integrally formed, and an abutment joint is equipped on the circumference of secondary seat ring (33).
6. aligning thrust bearing as described in claim 1, which is characterized in that
The secondary seat ring (33) is seperated molding, using two semicircular ring fission spicing forming types, or uses two annulus fissions
Connection molding.
7. aligning thrust bearing as claimed in claim 6, which is characterized in that
By welded connecting between described two semicircular ring fissions, or fixed by outer ferrule.
8. aligning thrust bearing as claimed in claim 6, which is characterized in that
Described two annulus fissions are connected through a screw thread perhaps by being fixed after being welded to connect or docking by outer ferrule.
9. aligning thrust bearing as described in claim 1, which is characterized in that
External peripheral surface around the secondary seat ring (33) is equipped with oil groove (50), and is equipped with and described time on the oil groove (50)
The oil guiding hole (51) of the spherical surface connection of seat ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710357027.XA CN108953370A (en) | 2017-05-19 | 2017-05-19 | self-aligning thrust bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710357027.XA CN108953370A (en) | 2017-05-19 | 2017-05-19 | self-aligning thrust bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108953370A true CN108953370A (en) | 2018-12-07 |
Family
ID=64462088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710357027.XA Pending CN108953370A (en) | 2017-05-19 | 2017-05-19 | self-aligning thrust bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108953370A (en) |
-
2017
- 2017-05-19 CN CN201710357027.XA patent/CN108953370A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181207 |