CN206338322U - A kind of plain radial bearing - Google Patents
A kind of plain radial bearing Download PDFInfo
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- CN206338322U CN206338322U CN201621445625.XU CN201621445625U CN206338322U CN 206338322 U CN206338322 U CN 206338322U CN 201621445625 U CN201621445625 U CN 201621445625U CN 206338322 U CN206338322 U CN 206338322U
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- outer ring
- center
- ring
- circle
- inner ring
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Abstract
A kind of plain radial bearing, including outer ring and inner ring, outer ring is made up of outer ring I and outer ring II, outer ring I is consistent with the amount of curvature of the inwall of outer ring II, and the center of circle of outer ring I and the center of circle of outer ring II are misaligned, linear contact lay between the inwall of outer ring I and the outer wall of inner ring, linear contact lay between the inwall of outer ring II and the outer wall of inner ring, formation one between the inwall of outer ring I and the outer wall of inner ring is set to contact annulus I, forming one between the inwall of outer ring II and the outer wall of inner ring contacts annulus II；The center of circle of outer ring I and the center of circle of outer ring II are located in same horizontal line, and the center of circle of outer ring I and the line of any point on the contact annulus I of the inwall of outer ring I and inner ring, the center of circle of outer ring II and the line of any point on the inwall of outer ring II and the contact annulus II of inner ring crosspoint for inner ring the center of circle.Oscillating bearing of the present utility model can either bear larger axial load, have larger aligning angle again.
Description
Technical field
The utility model is related to technical field of bearings, and in particular to a kind of plain radial bearing.
Background technology
Oscillating bearing is a kind of spherical bearing, holds and is widely used in engineering hydraulic jack, forging machine tool, engineering machine
The industries such as tool, automation equipment, automobile absorber, water conservancy machinery, it is mainly had by an inner ring for having spherical outside surface and one
The outer ring composition of Internal Spherical Surface, its sliding contact surface is an Internal Spherical Surface and a spherical outside surface.Oscillating bearing is generally used for speed
Relatively low oscillating motion（That is angular movement）, because slidingsurface is spheric, can also make banking motion in the range of certain angle
（I.e. aligning is moved）.Oscillating bearing can bear loading direction by it or nominal contact angle is divided into plain radial bearing and thrust is closed
The major class of bearings two.Plain radial bearing substantial radial load, aligning performance is good, but the axial load that can be born is smaller,
And aligning angle is smaller；Thrust articulated bearing is primarily subjected to axial load, it is impossible to bear radial load.Current existing joint shaft
Hold, it is impossible to while meeting big aligning angle and bearing two requirements of larger axial load, it is difficult to bear bi-directional axial load.
Utility model content
The purpose of this utility model is to overcome drawbacks described above there is provided a kind of plain radial bearing.
The technical scheme that the utility model is used to achieve the above object for：A kind of plain radial bearing, including outer ring
And inner ring, described outer ring is made up of outer ring I and outer ring II, and outer ring I is consistent with the amount of curvature of the inwall of outer ring II, and outside
The center of circle of circle I and the center of circle of outer ring II are misaligned, linear contact lay between the inwall of outer ring I and the outer wall of inner ring, the inwall of outer ring II
The linear contact lay between the outer wall of inner ring, makes formation one between the inwall of outer ring I and the outer wall of inner ring contact annulus I, outer ring II
Inwall and the outer wall of inner ring between formed one contact annulus II；The center of circle of described outer ring I and the center of circle of outer ring II are located at
In same horizontal line, and the center of circle of outer ring I and the line of any point, outer ring II on the contact annulus I of the inwall of outer ring I and inner ring
The center of circle and the line of any point on the inwall of outer ring II and the contact annulus II of inner ring crosspoint be inner ring the center of circle.
In the utility model, contact annulus I is with contacting annulus II with respect to the center of circle of inner ring and perpendicular to inner ring
The plane of axial line is symmetrical arranged.
In the utility model, the radius of curvature size of the radius of curvature of the outer wall of inner ring and the inwall of outer ring is unequal.
Wherein, the ratio of the radius of curvature of the inwall of the radius of curvature of the outer wall of inner ring and outer ring is 0.8 ~ 0.99.
In the utility model, the level interval between the center of circle of outer ring I and the center of circle of outer ring II is 1 ~ 2mm, the circle of outer ring I
The vertical interval in the center of circle of the horizon distance inner ring where the center of circle of the heart and outer ring II is 3 ~ 5mm.
In the utility model, outer ring I is consistent with the outside dimension of outer ring II, and the contact surface of outer ring I and outer ring II is flat
Face, outer ring I is provided with screwed hole I, and outer ring II passes through peace provided with the screw-threaded counterbore with the insertion of screwed hole I, outer ring I and outer ring II
It is connected mounted in screw-threaded counterbore with the screw in screwed hole I.
Further, the screw-threaded counterbore set on the outer ring II in the utility model is two, and two screw-threaded counterbore positions
On same radial line in outer ring II.
Further, outer ring I is provided with two taper holes, and the central angle at the center connection center of outer ring I of two taper holes is
180 °, outer ring II is provided with the taper hole of insertion corresponding with each taper hole on outer ring I, and supporting in the taper hole of insertion is connected with taper pin.
In the utility model, outer ring I is provided with multiple screwed holes II, the center connection outer ring I of two neighboring screwed hole II
The central angle at center is 90 °, and outer ring II is provided with the through hole with the corresponding insertion of each screwed hole II on outer ring I, and the screw thread of insertion
It is supporting in hole II and through hole that bolt is installed.
In the utility model, the both ends of the surface of the both ends of the surface of inner ring protrusion outer ring I and outer ring II, and inner ring end face along its
Radially it is arranged with two locking grooves.
Beneficial effect：Oscillating bearing structure of the present utility model, in bearing working, outer ring is fixed, and inner ring is carried axial
In the presence of lotus, contacted at annulus with one in outer ring I and outer ring II being contacted, bearing can be in certain angle with inner ring
Interior to swing, another outer ring can prevent the axial float of inner ring；The setting of two contact annulus of the utility model, makes joint shaft
Bi-directional axial load can be born by holding, i.e., can bear thrust, can also bear pulling force.Oscillating bearing of the present utility model can either
Larger axial load is born, there is larger aligning angle again.
Brief description of the drawings
Fig. 1 is the end view of the utility model oscillating bearing；
Fig. 2 is the sectional view in Fig. 1 along line A-A；
Fig. 3 is inner ring and the location diagram of outer ring in Fig. 2；
Fig. 4 is inner ring and the use procedure chart of outer ring in the utility model.
Reference：1st, inner ring, 2, outer ring, 20, outer ring I, 21, outer ring II, 3, screwed hole I, 4, screw-threaded counterbore, 5, spiral shell
Nail, 6, taper pin, 7, screwed hole II, 8, through hole, 9, locking groove.
Embodiment
A kind of plain radial bearing of the present utility model is described further with reference to specific embodiment, so that ability
The technical staff in domain can be better understood from the utility model and can be practiced, but the utility model scope claimed
It is not limited to the scope described in embodiment.
A kind of plain radial bearing, including outer ring 2 and inner ring 1, as shown in figure 1, Fig. 2 be Fig. 1 in put along the section of line A-A
Big figure, outer ring 2 is recessed cambered surface, and inner ring 1 is the cambered surface of protrusion, and the cambered surface mutual cooperation of inner ring 1 and outer ring 2 is adapted to, outer ring 2
It is made up of outer ring I 20 and outer ring II 21.
Wherein, the inwall cambered surface of outer ring I 20 is consistent with the amount of curvature of the inwall cambered surface of outer ring II 21.Shown in Fig. 3
It can be seen that in location diagram：The center of circle of outer ring I 20 and the center of circle of outer ring II 21 are misaligned, the center of circle and outer ring II of outer ring I 20
21 center of circle is located in same horizontal line, and the level interval between the center of circle of outer ring I 20 and the center of circle of outer ring II 21 is 1 ~ 2mm；
The center of circle of outer ring I 20 and the inwall of outer ring I 20 and the line at the wall contacts position of inner ring 1, the center of circle and outer ring of outer ring II 21
The crosspoint of II 21 inwall and the line at the wall contacts position of inner ring 1 is the center of circle of inner ring 1, the center of circle of outer ring I 20 and outer
The vertical interval in the center of circle of the horizon distance inner ring 1 enclosed where II 21 center of circle is 3 ~ 5mm.
Wherein, linear contact lay between the outer wall of the inwall of outer ring I 20 and inner ring 1, the inwall of outer ring II 21 and the outer wall of inner ring 1
Between linear contact lay, i.e., radius dimension Re position is the linear contact lay position of inner ring 1 and outer ring 2 in figure 3, in the product, is made
Form one between the inwall of outer ring I 20 and the outer wall of inner ring 1 and contact annulus I, the inwall of outer ring II 21 and the outer wall of inner ring 1 it
Between formed one contact annulus II, contact annulus I with contacting annulus II with respect to the center of circle of inner ring 1 and perpendicular to inner ring 1
The plane of axial line be symmetrical arranged.I.e. in fig. 2, inner ring 1 and outer ring I 20, two of the product of outer ring II 21 intersect at dotted line
Contact, forms two contact annulus.In fig. 2, the horizontal dotted line in inner ring 1 is its axial line, vertical with axial line in inner ring 1
The vertical dotted line set is its radial centre lines, the center of circle of inner ring 1 and the line and inner ring 1 that contact any point on annulus I
Radial centre lines between angle be α, the center of circle of inner ring 1 and the line and inner ring 1 for contacting any point on annulus II
Angle between radial centre lines is β, and α is equal with β, and α and β value are 15 ° ± 2 °.It is preferred that, α and β value is 15 ~
40°.α and the setting at β angles in the utility model, enable radial bearing of the present utility model to bear larger axial load,
Wherein, as shown in figure 4, α and β angles will not change because of the inclination of inner ring 1, had determined when Product processing is molded.This practicality
New oscillating bearing, the most large aligning angle that can be reached in use is 17 °.
In the utility model, outer ring I 20 and outer ring II 21 can be structure as a whole；It is preferred that, outer ring I 20 and outer ring II 21
For Split type structure as shown in Figure 2, and outer ring I 20 is consistent with the outside dimension of outer ring II 21, and outer ring I 20 and outer ring II 21
Contact surface is plane, and outer ring I 20 is provided with two taper holes, the central angle at the center connection center of outer ring I 20 of two taper holes
180 °, outer ring II 21 is provided with the taper hole of insertion corresponding with each taper hole on outer ring I 20, and supporting in the taper hole of insertion has been connected with
To the taper pin 6 of positioning action, the set-up mode of taper hole therein is known technology.
The connected mode of outer ring I 20 and outer ring II 21 is：Outer ring I 20 be provided with screwed hole I 3, outer ring II 21 be provided with
The screw-threaded counterbore 4 of the insertion of screwed hole I 3, outer ring I 20 and outer ring II 21 pass through the spiral shell in screw-threaded counterbore 4 and screwed hole I 3
Nail 5 is connected.It is preferred that, the screw-threaded counterbore 4 set on outer ring II 21 is two, and two screw-threaded counterbores 4 are located at outer ring II 21
In same radial line on.
To improve the reliability that outer ring I 20 and outer ring II 21 are connected, multiple screwed holes II 7 are set on outer ring I 20, it is adjacent
The central angle at the center connection center of outer ring I 20 of two screwed holes II 7 is 90 °, and outer ring II 21 is provided with and each spiral shell on outer ring I 20
The through hole 8 of the correspondence insertion of pit II 7, and supporting in the screwed hole II 7 and through hole 8 of insertion bolt is installed.
In the utility model, as depicted in figs. 1 and 2, the both ends of the surface protrusion outer ring I 20 and the two ends of outer ring II 21 of inner ring 1
Face, and the end face of inner ring 1 is radially arranged with two locking grooves 9.
It is preferred that, connected between the joint face of outer ring I 20 and outer ring II 21 for arc transition.The preferred spiral shell of the utility model
Follow closely as soket head cap screw.
As shown in figure 3, the radius of curvature of the raceway of outer ring I 20 and outer ring II 21 is Re, but outer ring I 20 and outer ring II 21
One circle on, the raceway center of curvature of outer ring I 20 and outer ring II 21 in the same horizontal line, between horizontal range be Ws；
The radius of curvature of the outer wall of inner ring 1 is Ri, and the center of curvature and outer ring I 20, the center of curvature of outer ring II 21 of inner ring 1 are in vertical direction
Distance be Xe, horizontal level on the center line of outer ring I 20 and outer ring II 21, i.e. Ws be 1 ~ 2mm, Xe be 3 ~ 5mm.Wherein,
The radius of curvature of the outer wall of inner ring 1 and the radius of curvature size of the inwall of outer ring 2 are unequal, the radius of curvature of the outer wall of inner ring 1
Ri and the radius of curvature R e of the inwall of outer ring 2 proportionate relationship is：Ri=（0.8~0.99）*Re.
In the utility model, the Radial windage of outer ring 2 and inner ring 1 is 0.001 ~ 0.01mm, inner ring 1 and outer ring 2 it
Between clearance it is small, i.e., the clearance between inner ring 1 and outer ring I 20, outer ring II 21 is small, can guarantee that different swing positions reset essence
Degree.
It is preferred that, lubricating layer is set on the outer surface of inner ring 1, the thickness of the lubricating layer is no more than 0.01mm, and the profit
Slip layer can spray the solid Molykote of setting for prior art, it is ensured that the profit within the product life cycle
It is sliding.It is preferred that, inner ring 1 is that stainless steel ball is processed, high precision；Outer ring I 20, outer ring II 21 are positioned by taper pin 6, pass through spiral shell
Nail 5 is connected.
Claims (10)
1. a kind of plain radial bearing, including outer ring（2）And inner ring（1）, it is characterised in that：Described outer ring（2）By outer ring I
（20）With outer ring II（21）Composition, outer ring I（20）With outer ring II（21）Inwall amount of curvature it is consistent, and outer ring I（20）'s
The center of circle and outer ring II（21）The center of circle it is misaligned, outer ring I（20）Inwall and inner ring（1）Outer wall between linear contact lay, outer ring II
（21）Inwall and inner ring（1）Outer wall between linear contact lay, make outer ring I（20）Inwall and inner ring（1）Outer wall between formed
One contact annulus I, outer ring II（21）Inwall and inner ring（1）Outer wall between formed one contact annulus II；Described is outer
Circle I（20）The center of circle and outer ring II（21）The center of circle be located in same horizontal line, and outer ring I（20）The center of circle and outer ring I（20）
Inwall and inner ring（1）Contact annulus I on the line of any point, outer ring II（21）The center of circle and outer ring II（21）Inwall and
Inner ring（1）Contact annulus II on any point line crosspoint be inner ring（1）The center of circle.
2. a kind of plain radial bearing according to claim 1, it is characterised in that：Annulus I is contacted with contacting the phase of annulus II
For passing through inner ring（1）The center of circle and perpendicular to inner ring（1）The plane of axial line be symmetrical arranged.
3. a kind of plain radial bearing according to claim 1, it is characterised in that：Inner ring（1）Outer wall radius of curvature
And outer ring（2）Inwall radius of curvature size it is unequal.
4. a kind of plain radial bearing according to claim 3, it is characterised in that：Inner ring（1）Outer wall radius of curvature
With outer ring（2）Inwall radius of curvature ratio be 0.8 ~ 0.99.
5. a kind of plain radial bearing according to claim 1, it is characterised in that：Outer ring I（20）The center of circle and outer ring II
（21）The center of circle between level interval be 1 ~ 2mm, outer ring I（20）The center of circle and outer ring II（21）The center of circle where horizontal line
Apart from inner ring（1）The center of circle vertical interval be 3 ~ 5mm.
6. a kind of plain radial bearing according to claim 1, it is characterised in that：Outer ring I（20）With outer ring II（21）'s
Outside dimension is consistent, and outer ring I（20）With outer ring II（21）Contact surface be plane, outer ring I（20）It is provided with screwed hole I（3）,
Outer ring II（21）It is provided with and screwed hole I（3）The screw-threaded counterbore of insertion（4）, outer ring I（20）With outer ring II（21）By installed in
Screw-threaded counterbore（4）With screwed hole I（3）In screw（5）It is connected.
7. a kind of plain radial bearing according to claim 6, it is characterised in that：Outer ring II（21）The screw thread of upper setting sinks
Hole（4）For two, and two screw-threaded counterbores（4）Positioned at outer ring II（21）In same radial line on.
8. a kind of plain radial bearing according to claim 6, it is characterised in that：Outer ring I（20）Provided with two taper holes,
The center connection outer ring I of two taper holes（20）The central angle at center is 180 °, outer ring II（21）It is provided with and outer ring I（20）It is upper each
The taper hole of taper hole correspondence insertion, and supporting in the taper hole of insertion it is connected with taper pin（6）.
9. a kind of plain radial bearing according to claim 1, it is characterised in that：Outer ring I（20）It is provided with multiple screw threads
Hole II（7）, two neighboring screwed hole II（7）Center connection outer ring I（20）The central angle at center is 90 °, outer ring II（21）On
Provided with outer ring I（20）Upper each screwed hole II（7）The through hole of correspondence insertion（8）, and the screwed hole II of insertion（7）And through hole（8）
It is interior supporting bolt to be installed.
10. a kind of plain radial bearing according to claim 1, it is characterised in that：Inner ring（1）Both ends of the surface protrusion outer ring
Ⅰ（20）With outer ring II（21）Both ends of the surface, and inner ring（1）End face be radially arranged with two locking grooves（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621445625.XU CN206338322U (en) | 2016-12-27 | 2016-12-27 | A kind of plain radial bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621445625.XU CN206338322U (en) | 2016-12-27 | 2016-12-27 | A kind of plain radial bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206338322U true CN206338322U (en) | 2017-07-18 |
Family
ID=59302697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621445625.XU Active CN206338322U (en) | 2016-12-27 | 2016-12-27 | A kind of plain radial bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206338322U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854618A (en) * | 2019-03-26 | 2019-06-07 | 洛阳新强联回转支承股份有限公司 | A kind of low friction spherical joint bearing of super-large diameter |
| CN111853055A (en) * | 2020-07-15 | 2020-10-30 | 福建龙溪轴承(集团)股份有限公司 | Axial-radial split type radial spherical plain bearing |
| CN114135577A (en) * | 2021-12-13 | 2022-03-04 | 中国铁建重工集团股份有限公司 | Main bearing of heading machine |
-
2016
- 2016-12-27 CN CN201621445625.XU patent/CN206338322U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854618A (en) * | 2019-03-26 | 2019-06-07 | 洛阳新强联回转支承股份有限公司 | A kind of low friction spherical joint bearing of super-large diameter |
| CN111853055A (en) * | 2020-07-15 | 2020-10-30 | 福建龙溪轴承(集团)股份有限公司 | Axial-radial split type radial spherical plain bearing |
| CN114135577A (en) * | 2021-12-13 | 2022-03-04 | 中国铁建重工集团股份有限公司 | Main bearing of heading machine |
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