CN207864422U - A kind of combination bearing of cylindrical roller and thrust steel ball - Google Patents
A kind of combination bearing of cylindrical roller and thrust steel ball Download PDFInfo
- Publication number
- CN207864422U CN207864422U CN201721868222.0U CN201721868222U CN207864422U CN 207864422 U CN207864422 U CN 207864422U CN 201721868222 U CN201721868222 U CN 201721868222U CN 207864422 U CN207864422 U CN 207864422U
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- China
- Prior art keywords
- steel ball
- cylindrical roller
- thrust steel
- bearing
- inner ring
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Abstract
The combination bearing of cylindrical roller disclosed by the utility model and thrust steel ball, including outer ring（1）, inner ring（2）, thrust steel ball（3）, cylindrical roller（4）And retainer（6）, in the outer ring（1）And inner ring（2）Between be provided with for installing cylindrical roller（4）Raceway groove（7）With for installed thrust, steel ball（3）Raceway（8）.Solve existing two sets of bearing fits using when installation space is larger, bear larger axis, radial load at the same time when bearing performance is declined, mechanical structure is not compact enough the problems such as, make it under same working condition, larger axis, radial load can be born while reducing installation space.Have the characteristics that it is compact-sized, light-weight, maintain easily, be adaptable.
Description
Technical field
The utility model belongs to technical field of bearings, is primarily related to a kind of built-up shaft of cylindrical roller and thrust steel ball
It holds.
Background technology
Bearing needs revolution, the position swung to obtain as parts indispensable in mechanical equipment, in industry-by-industry
It is widely applied.Under specific work condition environment, mechanical equipment revolution position needs while bearing radial load, two-way axial direction
Load, the effect of good sealing performance competence exertion, therefore also just need to bear bearing and the sealing of radial load and axial force
Part is used cooperatively.Cylinder roller bearing can bear radial load, and thrust ball bearing can bear axial load, the two combination accessory
It can be applied to these rotation portions.It needs respectively to design installation site to two kinds of bearings in the design process, so it is empty to installation
Between demand also can be bigger, mechanical equipment structure can also seem not compact enough.The installation space for needing design to seal simultaneously, it is right
More spare and accessory parts cooperations are needed to complete in design, the manufacture installation of mechanical equipment, it is complicated.Post facility maintenance,
Maintenance also has many inconvenience.
Utility model content
For the deficiency that design is complicated, cumbersome for installation, structure is not compact etc. caused by existing structure, the utility model
Purpose be to propose a kind of combination bearing of cylindrical roller and thrust steel ball, pacify when solving existing two sets of bearing fit uses
Dress space is larger, bearing performance is declined, mechanical structure is not compact etc. enough when bearing larger axis, radial load at the same time asks
Topic, makes it under same working condition, larger axis, radial load can be born while reducing installation space.It is tight with structure
The features such as gathering, be light-weight, maintaining easily, is adaptable.
To achieve the above object, the technical scheme adopted by the utility model is that：A kind of group of cylindrical roller and thrust steel ball
Sympodium is held, including outer ring, inner ring, thrust steel ball, cylindrical roller and retainer, is arranged between the outer ring and inner ring useful
In the raceway groove of installation cylindrical roller and for the raceway of installed thrust steel ball.
Further, it is equipped with step structure on the outer ring internal diameter and inner ring outer diameter.
Further, the step structure of the outer ring be "" shape.
Further, the step structure of the inner ring be "" shape.
Further, the raceway groove is arc-shaped channel structure, the thrust steel ball be located at the inner face of the outer ring with
Between the outer end face of the inner ring, i.e., arc-shaped raceway groove is machined on the outer end face of the inner face of outer ring and inner ring, it is described
Thrust steel ball by the retainer be mounted on the arc-shaped raceway groove in.
Further, the raceway is U-shaped roller path structure, i.e., the outer diameter of the described inner ring is U-shaped raceway, cylinder rolling
Son is located in the U-shaped raceway.
Further, the contact height phase of the cylindrical roller right, the left both ends end face in the raceway and the inner ring
Together.
Further, the center line of the cylindrical roller is higher than the center line of thrust steel ball.
Further, it is provided with reinforced seal between the step end face of the outer ring and the outer diameter of inner ring.
The utility model is by the raceway between inner ring and outer ring and raceway groove, for installing cylindrical roller and thrust steel ball,
The characteristics of cylinder roller bearing and both bearings of thrust steel ball bearing, is focused on a combination bearing, by function, advantage
Putting together keeps bearing arrangement compacter.And existing two sets of bearing fits using when at least need two inner rings two outer
Circle then only needs the bearing that one outer ring of an inner ring forms that can substitute two kinds of axis being used cooperatively completely by combination bearing
It holds, not only reduces the installation space of bearing in this way, while also reducing the weight of bearing, reduce production cost, facilitate dimension
Shield；Due to the difference of cylindrical roller and the force way of thrust steel ball, therefore it is equipped with step structure on bearing inner race and outer ring,
And the step structure of outer ring be "" shape, the step structure of inner ring be "" shape, this unique design structure makes both rollers
It can work in coordination again while working independently and do not interfere with each other in use, when combination bearing bears larger axial force
When carried by thrust steel ball, then carried by cylindrical roller when combination bearing bears larger radial load, so such group
Sympodium is held can bear larger radial and axial load in use.In conjunction with the combination bearing characteristic of the utility model,
In use for needing the mechanical equipment for bearing larger axis, radial load with very strong adaptability.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
In figure：1, outer ring, 2, inner ring, 3, thrust steel ball, 4, cylindrical roller, 5, reinforced seal, 6, retainer, 7, raceway groove,
8, raceway.
Specific implementation mode
The utility model is described further below in conjunction with the accompanying drawings, but the utility model does not limit to following embodiment.
As shown in Figure 1：The combination bearing of a kind of cylindrical roller and thrust steel ball described in the present embodiment includes outer ring 1, interior
Circle 2, thrust steel ball 3, cylindrical roller 4, reinforced seal 5, retainer 6, raceway groove 7, raceway 8, on the outer ring 1 and inner ring 2
Equipped with step structure, cylindrical roller raceway 8 and thrust ball race 7 are formed by inside and outside matching for step structure of circle, are packed into
Two kinds of rolling elements of cylindrical roller and thrust steel ball form a kind of combination bearing of cylindrical roller and thrust steel ball.
It is specifically described as follows：The step structure of outer ring be "" shape, the shape belong to bearing outer ring sectional view simplify knot
Structure, and step structure described above is then part outstanding on the right of sectional view, effect is matched with the step structure of inner ring
The raceway groove 7 for forming thrust steel ball 3 is closed, this kind of structure is different from traditional bearing, has part outstanding i.e. above-mentioned in radial direction
Step structure；The structure of inner ring be "" shape, which belongs to the simplification structure of bearing inner race sectional view, the step structure of inner ring
It is then left and right sides institute two parts outstanding, the slot among the two is then that the rolling to form cylindrical roller 4 is matched with outer ring internal diameter
Road 8, and the other side of the right longer portion then matches to form thrust ball race with outer ring step structure outstanding.Described
There is the raceway of installation cylindrical roller 4, the raceway to be surrounded by inner ring outer diameter and outer ring internal diameter, outer ring between outer ring 1 and inner ring 2
For internal diameter directly as raceway contact face, inner ring outer diameter is then processed as U-shaped raceway 8, the limit that the U-shaped raceway 8 passes through raceway itself
Making is installed therein with by cylindrical roller 4, and the characteristic of cylindrical roller itself determines that the bearing can bear larger radial load, and
And the restriction effect of itself can effectively ensure that the movement locus of cylindrical roller in bearing rotation process based on U-shaped raceway 8, and have
Effect ground fixed cylinder roller；Why the cylindrical roller 4 directly rolls using outer ring internal diameter as contact other than U-shaped raceway simultaneously
Road is in order to avoid generating shear stress between raceway and raceway when bearing axial force, to increase bearing wear, shadow
The phenomenon that ringing running accuracy occurs；When bearing larger axial load, cylindrical roller can carry out small on the outer ring internal diameter of bearing
The displacement of amount reduces axial force to the pressure of cylindrical roller so that axial force almost all by the structure division of thrust steel ball Lai
It bears, reduces the loss of cylindrical roller to the full extent.The cylindrical roller 4 is in raceway 8, the left and right both ends of cylindrical roller 4
End face and the contact height of the U type grooves on inner ring 2 are identical, in order to which friction is reduced in rolling process reduces damage
It consumes, make roller uniform force, improve running accuracy.
The raceway groove 7 with installed thrust steel ball 3, described between the inner face and the outer end face of inner ring 2 of the outer ring 1
7 arc-shaped channel structure of raceway groove, the raceway groove are surrounded by the inner face of outer ring and the outer end face of bearing inner race, the inner face of outer ring and
Arc-shaped raceway groove is machined on the outer end face of inner ring, the thrust steel ball 3 is mounted on by retainer 6 in the raceway groove 7,
Larger axial load can be born when work；In the design of thrust steel ball 3 and cylindrical roller 4 in view of bearing is being respectively subjected to
Bearing integrally wants uniform force when axial force and radial load, since the particularity of bearing this body structure is so that described push away
The centre of gyration line of power steel ball 3 is not arranged on the same straight line with the centre of gyration line of cylindrical roller 4, the center line of cylindrical roller 4
Diameter is more than the center line of thrust steel ball 3, this purpose of design is whole not just to make bearing when bearing radial load
Uniform force, the loss for reducing bearing prolongs the service life, while also in that combination bearing Internal and external cycle itself structure limit
System so that the position of thrust steel ball 3 must transfer, and keep the structure of bearing itself more reasonable, beautiful, compact.
When being assembled, thrust steel ball 3 is packed into together with retainer 6 on the step of outer ring first, then
The raceway groove 7 on inner ring will be made to be matched with the thrust steel ball 3 on outer ring equipped with the indentation of the inner ring of cylindrical roller 4 again, almost together
Step completes the assembly of cylindrical roller and thrust steel ball, after roller completes assembly, it is also necessary in the outer ring 1 and inner ring 2
Between be provided with reinforced seal 5, the reinforced seal 5 matched with the outer diameter of inner ring 2 by the internal diameter of outer ring 1 finally realize it is close
Envelope.After assembly, when bearing is worked, if when relatively big load of the bearing by radial direction, power will
Cylindrical roller 4 is all pressed to, and thrust steel ball 3 then will not be by from radial load；Equally when bearing is by axial direction
Relatively big load when, cylindrical roller 4 then along combination bearing outer ring internal diameter can generate a small amount of displacement since pressure is acted on, and keep away
Exempt to bear axial force, and thrust steel ball 3 is then subject to most axial force；Both cylindrical roller 4 and thrust steel ball 3 are same
When be mounted among combination bearing and work in coordination so that the combination bearing can be born on to greatest extent from axially and radially
Load.
Claims (9)
1. the combination bearing of a kind of cylindrical roller and thrust steel ball, including outer ring (1), inner ring (2), thrust steel ball (3), cylinder rolling
Sub (4) and retainer (6), it is characterised in that：It is provided between the outer ring (1) and inner ring (2) for installing cylinder rolling
The raceway groove (7) of sub (4) and the raceway (8) for being used for installed thrust steel ball (3).
2. the combination bearing of cylindrical roller according to claim 1 and thrust steel ball, it is characterised in that：In the outer ring
(1) it is equipped with step structure on internal diameter and inner ring (2) outer diameter.
3. the combination bearing of cylindrical roller according to claim 1 and thrust steel ball, it is characterised in that：The outer ring (1)
Step structure beShape.
4. the combination bearing of cylindrical roller according to claim 1 and thrust steel ball, it is characterised in that：The inner ring (2)
Step structure beShape.
5. the combination bearing of cylindrical roller according to claim 1 and thrust steel ball, it is characterised in that：The raceway groove (7)
For arc-shaped channel structure, the thrust steel ball (3) is located at the outer end of the inner face and the inner ring (2) of the outer ring (1)
Between face, i.e., arc-shaped raceway groove (7), the thrust steel ball are machined on the outer end face of the inner face of outer ring and inner ring
(3) it is mounted in the arc-shaped raceway groove by the retainer (6).
6. the combination bearing of cylindrical roller according to claim 1 and thrust steel ball, it is characterised in that：The raceway
(8) it is U-shaped roller path structure, i.e., the outer diameter of the described inner ring (2) is U-shaped raceway, and the cylindrical roller (4) is located at the U-shaped raceway
It is interior.
7. the combination bearing of cylindrical roller according to claim 1 and thrust steel ball, it is characterised in that：The cylindrical roller
(4) right, the left both ends end face in the raceway (8) is identical as the contact height of the inner ring (2).
8. the combination bearing of cylindrical roller according to claim 1 and thrust steel ball, it is characterised in that：The cylindrical roller
(4) center line is higher than the center line of thrust steel ball (3).
9. the combination bearing of cylindrical roller according to claim 1 and thrust steel ball, it is characterised in that：In the outer ring
(1) reinforced seal (5) is provided between step end face and the outer diameter of inner ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721868222.0U CN207864422U (en) | 2017-12-28 | 2017-12-28 | A kind of combination bearing of cylindrical roller and thrust steel ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721868222.0U CN207864422U (en) | 2017-12-28 | 2017-12-28 | A kind of combination bearing of cylindrical roller and thrust steel ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207864422U true CN207864422U (en) | 2018-09-14 |
Family
ID=63467057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721868222.0U Active CN207864422U (en) | 2017-12-28 | 2017-12-28 | A kind of combination bearing of cylindrical roller and thrust steel ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207864422U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975535A (en) * | 2017-12-28 | 2018-05-01 | 洛阳普瑞森精密轴承有限公司 | A kind of combination bearing of cylindrical roller and thrust ball |
| CN110566576A (en) * | 2019-08-30 | 2019-12-13 | 江苏如非轴承科技有限公司 | Light-duty slewing bearing with through-hole |
-
2017
- 2017-12-28 CN CN201721868222.0U patent/CN207864422U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975535A (en) * | 2017-12-28 | 2018-05-01 | 洛阳普瑞森精密轴承有限公司 | A kind of combination bearing of cylindrical roller and thrust ball |
| CN110566576A (en) * | 2019-08-30 | 2019-12-13 | 江苏如非轴承科技有限公司 | Light-duty slewing bearing with through-hole |
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