CN205605659U - Angular contact ball bearing subassembly - Google Patents
Angular contact ball bearing subassembly Download PDFInfo
- Publication number
- CN205605659U CN205605659U CN201620446526.7U CN201620446526U CN205605659U CN 205605659 U CN205605659 U CN 205605659U CN 201620446526 U CN201620446526 U CN 201620446526U CN 205605659 U CN205605659 U CN 205605659U
- Authority
- CN
- China
- Prior art keywords
- bearing
- angular contact
- contact ball
- ball bearing
- lathe
- 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.)
- Withdrawn - After Issue
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Abstract
The embodiment of the utility model discloses angular contact ball bearing subassembly, it includes the bearing frame and locates two mutual mating single -row angular contact ball bearing in the bearing frame, two single -row angular contact ball bearing are the DF type and pair, just are equipped with between two outer lanes and carry clearance delta in advance. The embodiment of the utility model provides a, use the locking bolt can fix bearing assembly on lathe and/or mechanical equipment through the flange mounting hole that sets up on the bearing frame during installation, it offsets to be close to the single -row angular contact ball bearing's of bearing frame flange one end big terminal surface and the mounting surface on lathe and/or the mechanical equipment during locking among the bearing assembly, only need to apply the locking torque that the design was recommended to the bearing frame, can eliminate and carry clearance delta in advance between two outer lanes of bearing assembly, the problem of the location of bearing in the bearing frame is solved, obtain required pretension load, moreover, the steam generator is simple in structure, easy installation, it sets up the mount pad hole to need not to process on lathe and/or mechanical equipment, but greatly reduced installs use cost.
Description
Technical field:
This utility model relates to a kind of bearing assembly, the angular contact ball bearing of a kind of band punching press mounting seat
Assembly.
Background technology:
Lathe and/or plant equipment often use angular contact ball bearing rotationally support, for improving holding of bearing
Loading capability and rigidity, generally use two sets or the single-row angular contact ball bearing of many sets to assemble use.According to answering recruitment
Condition is different, existing two overlap single-row angular contact ball bearings assemble can be " back-to-back (DB type) ", " faced by
Face (DF type) " and the various ways such as " series connection (DT type) ", by setting suitable pre-load clearance,
It is not required to other adjustment modes during use and can reach setting load.
The DF type spread pattern that in conventional arrangement, two outer ring narrow end surfaces are oppositely arranged, the narrow end surface phase of its outer ring
To arranging and leaving pre-load clearance.Installation bore, bore difficulty of processing need to be set during use on machine tool frame
Greatly, cost high, precision is difficult to ensure that.
Summary of the invention:
The problem that cost is high, this utility model is installed and used for overcoming existing DF type to assemble angular contact ball bearing
Embodiment provides a kind of angular contact ball bearing assembly.
Angular contact ball bearing assembly, is installed in lathe and/or plant equipment and matches with rotary shaft, its
Including bearing block and two single-row angular contact ball bearings being mutually paired being located in bearing block, described list
Row angular contact ball bearing at least includes outer ring, inner ring and the steel ball being located between outer ring and inner ring, described
Two ends, outer ring are respectively provided with wide end surface and narrow end surface, described inner ring two ends be respectively provided with wide end surface and narrow end surface,
Or described inner ring two ends have the end face of same widths,
Described bearing block is the bearing of the flanged installing hole can being fixedly installed in lathe and/or plant equipment
Seat；
The inner ring of described two single-row angular contact ball bearings can be with rotary shaft matching ends, and two single-row angular contact
Ball bearing is the pairing of DF type, and in i.e. two single-row angular contact ball bearings, the narrow end surface of two outer rings is oppositely arranged,
And two be provided with pre-load clearance δ between outer ring.
This utility model embodiment, the pre-load clearance δ between two outer ring narrow end surfaces, and bearing and bearing saddle bore
Relative axial position, all can set when bearing assembly makes, during installation use clamping screw by arrange
Bearing assembly can be fixed in lathe and/or plant equipment by the flange mounting hole on bearing block, locking
Time bearing assembly near the large end face of bearing block flange one end single-row angular contact ball bearing and lathe and/or machine
Mounting plane on tool equipment offsets, and only need to apply, to bearing block, the locking torque that design is recommended, can eliminate
Pre-load clearance δ between bearing assembly two outer ring, solves bearing orientation problem in bearing block, it is thus achieved that institute
The prefastening load needed, simple in construction, easy for installation, it is not necessary to processing sets up on lathe and/or plant equipment
Bore is installed, can be substantially reduced and install and use cost.It is particularly suited for inspection or testing equipment, small-sized machine work
Other needs such as tool, medical treatment and laboratory equlpment, precision engineering and electronic unit manufacture equipment etc. simplify installs axle
The equipment of bearing portion part, beneficially lathe and/or plant equipment develop towards direction less, greater compactness of.
Further, this utility model embodiment can be improved by following scheme:
Described pre-load clearance δ meets:Described B is single-row corner connection
Touch the total curvature of ball bearing, described α0Connecing when not being installed on lathe and/or plant equipment for bearing assembly
Feeler, described αpFor applying axial pre tightening force Fao to bearing block, bearing assembly is installed on lathe and/or machine
Contact angle after on tool equipment, Z is steel ball sum, DWFor steel ball size, K is single-row angular contact ball bearing
Axial deformation constant.When actually used, only need to apply axial pre tightening force Fao to bearing block, can disappear
Except pre-load clearance δ and make bearing assembly obtain the pre-load value that design is recommended, actually required with precisely coupling
Magnitude of load requirement, reaches optimal pretensioning effect.
The surface of described bearing block is provided with anticorrosion electrodeposited coating, has good anti-corrosion protection effect.
Described bearing block is square, circular or triangle, and simple in construction is easily manufactured, it is easy to install and make
With.
Flange mounting hole on described bearing block is uniformly distributed circumferentially, and quantity n of flange mounting hole is 3
Individual or more than 3, simple in construction, easy for installation.
Described bearing block is made up of stamped steel punching press, easily manufactured, and cost is more economically.
Accompanying drawing illustrates:
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, embodiment will be described below
The accompanying drawing used required in is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of utility model, for those of ordinary skill in the art, are not paying creative work
On the premise of, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation of angular contact ball bearing assembly of the present utility model；
Fig. 2 be angular contact ball bearing assembly of the present utility model install and use schematic diagram.
Detailed description of the invention:
In order to make this utility model be solved the technical problem that, technical scheme and beneficial effect more clear bright
In vain, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that
Specific embodiment described herein, only in order to explain this utility model, is not used to limit this practicality new
Type.
As shown in Figure 1 and Figure 2, angular contact ball bearing assembly, it is installed in lathe and/or plant equipment 1
And match with rotary shaft 2, it includes that bearing block 3 and be located in bearing block 3 two are mutually paired
Single-row angular contact ball bearing 4, described single-row angular contact ball bearing 4 at least include outer ring 41, inner ring 43,
And the steel ball 42 being located between outer ring 41 and inner ring 43, two ends, described outer ring 41 are respectively provided with wide end surface
And narrow end surface, described inner ring 43 two ends are respectively provided with wide end surface and narrow end surface or described inner ring 43 two ends
Having an end face of same widths, described bearing block 3 is for can be fixedly installed in lathe and/or plant equipment 1
The bearing block of flanged installing hole；The inner ring 43 of described two single-row angular contact ball bearings can be with rotary shaft 21
Matching ends, and two single-row angular contact ball bearings 4 match in DF type, i.e. two single-row angular contact ball bearings
In 4, the narrow end surface of two outer rings 42 is oppositely arranged, and is provided with pre-load clearance δ between two outer rings 42.
This utility model embodiment, the pre-load clearance δ between two outer ring narrow end surfaces, and bearing and bearing saddle bore
Relative axial position, all can set when bearing assembly makes, during installation use clamping screw by arrange
Bearing assembly can be fixed in lathe and/or plant equipment by the flange mounting hole on bearing block, locking
Time bearing assembly near the large end face of bearing block flange one end single-row angular contact ball bearing and lathe and/or machine
Mounting plane on tool equipment offsets, and only need to apply, to bearing block, the locking torque that design is recommended, can eliminate
Pre-load clearance δ between bearing assembly two outer ring, solves bearing orientation problem in bearing block, it is thus achieved that institute
The prefastening load needed, simple in construction, easy for installation.It is particularly suited for inspection or testing equipment, small-sized machine work
Other needs such as tool, medical treatment and laboratory equlpment, precision engineering and electronic unit manufacture equipment etc. simplify installs axle
The equipment of bearing portion part, beneficially lathe and/or plant equipment develop towards direction less, greater compactness of.
Yet further, described pre-load clearance δ meets:Described B
Total curvature for single-row angular contact ball bearing；Described α0It is not installed on lathe for bearing assembly and/or machinery sets
For contact angle time upper, as shown in Figure 1；Described αpFor applying axial pre tightening force Fao by axle to bearing block
Bearing assembly be installed in lathe and/or plant equipment after contact angle, as shown in Figure 2；Z is steel ball sum,
DWFor steel ball size, K is the axial deformation constant of single-row angular contact ball bearing.When actually used, such as figure
Shown in 2, only need to apply axial pre tightening force Fao to bearing block, pre-load clearance δ can be eliminated and make bearing group
Part obtains the pre-load value that design is recommended, and precisely to mate actually required magnitude of load requirement, reaches optimal
Pretensioning effect.
Further, the surface of described bearing block 3 is provided with anticorrosion electrodeposited coating.There is good anticorrosion protect
Protect effect.
Yet further, described bearing block 3 be square, circular or triangle.Simple in construction, manufacturer
Just, it is easy to install and use.
Further, the flange mounting hole on described bearing block 3 is uniformly distributed circumferentially, flange mounting hole
Quantity n be 3 or more than 3, simple in construction, easy for installation.
Specifically, described bearing block 3 is made up of stamped steel punching press, easily manufactured, and cost is more economically.
More specifically, as in figure 2 it is shown, when installing and using, by match with rotary shaft end 21
Locking nut 5, is first axially fixed in locking nut 5 by single-row for two in bearing assembly angular contact ball bearing 4
And the top of rotary shaft end 21 is stopped between the shaft shoulder 22, by clamping screw through arranging after rotating freely centering
Flange mounting hole on bearing block 3 coordinates with lathe and/or plant equipment 1, can be fixed by bearing assembly
On lathe and/or plant equipment 1, now near the single-row angular contact in bearing block flange one end in bearing assembly
The large end face of ball bearing offsets with the mounting plane on lathe and/or plant equipment, only need to apply to bearing block
The axial pre tightening force Fao that design is recommended, n flange mounting hole on bearing block applies respectively the most respectively
The axial pre tightening force of Fao/n, can eliminate the pre-load clearance δ between bearing assembly two outer ring and make bearing group
Part obtains the pre-load value that design is recommended, and precisely to mate actually required magnitude of load requirement, reaches optimal
Pretensioning effect.
It is described above as combining one or more embodiments that particular content provides, does not assert that this practicality is new
Being embodied as of type is confined to these explanations.All and method of the present utility model, structure etc. approximate, duplicate,
Or for making some technology deduction or replace under this utility model concept thereof, this practicality all should be considered as
Novel protection domain.
Claims (6)
1. angular contact ball bearing assembly, is installed in lathe and/or plant equipment and matches with rotary shaft,
It includes bearing block and two the single-row angular contact ball bearings being mutually paired being located in bearing block, described
Single-row angular contact ball bearing at least includes outer ring, inner ring and the steel ball being located between outer ring and inner ring, institute
Stating two ends, outer ring and be respectively provided with wide end surface and narrow end surface, described inner ring two ends are respectively provided with wide end surface and narrow end
Face or described inner ring two ends have the end face of same widths, it is characterised in that
Described bearing block is the bearing of the flanged installing hole can being fixedly installed in lathe and/or plant equipment
Seat；
The inner ring of described two single-row angular contact ball bearings can be with rotary shaft matching ends, and two single-row angular contact
Ball bearing is the pairing of DF type, and in i.e. two single-row angular contact ball bearings, the narrow end surface of two outer rings is oppositely arranged,
And two be provided with pre-load clearance δ between outer ring.
2. angular contact ball bearing assembly as claimed in claim 1, it is characterised in that described pre-load clearance
δ meets:Described B is the total curvature of single-row angular contact ball bearing,
Described α0Contact angle when not being installed on lathe and/or plant equipment for bearing assembly, described αpFor to axle
Bearing applies the contact after bearing assembly is installed in lathe and/or plant equipment by axial pre tightening force Fao
Angle, Z is steel ball sum, DWFor steel ball size, K is the axial deformation constant of single-row angular contact ball bearing.
3. angular contact ball bearing assembly as claimed in claim 1 or 2, it is characterised in that described bearing
The surface of seat is provided with anticorrosion electrodeposited coating.
4. angular contact ball bearing assembly as claimed in claim 1 or 2, it is characterised in that described bearing
Seat is square, circular or triangle.
5. angular contact ball bearing assembly as claimed in claim 1 or 2, it is characterised in that described bearing
Flange mounting hole on seat is uniformly distributed circumferentially, and quantity n of flange mounting hole is 3 or more than 3.
6. angular contact ball bearing assembly as claimed in claim 1 or 2, it is characterised in that described bearing
Seat is made up of stamped steel punching press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620446526.7U CN205605659U (en) | 2016-05-17 | 2016-05-17 | Angular contact ball bearing subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620446526.7U CN205605659U (en) | 2016-05-17 | 2016-05-17 | Angular contact ball bearing subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205605659U true CN205605659U (en) | 2016-09-28 |
Family
ID=56966493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620446526.7U Withdrawn - After Issue CN205605659U (en) | 2016-05-17 | 2016-05-17 | Angular contact ball bearing subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205605659U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805175A (en) * | 2016-05-17 | 2016-07-27 | 中山市盈科轴承制造有限公司 | Angular contact ball bearing assembly |
| CN113958619A (en) * | 2020-07-21 | 2022-01-21 | 西门子股份公司 | Method and apparatus for assembling one or more bearings |
-
2016
- 2016-05-17 CN CN201620446526.7U patent/CN205605659U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805175A (en) * | 2016-05-17 | 2016-07-27 | 中山市盈科轴承制造有限公司 | Angular contact ball bearing assembly |
| CN113958619A (en) * | 2020-07-21 | 2022-01-21 | 西门子股份公司 | Method and apparatus for assembling one or more bearings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160928 Effective date of abandoning: 20181009 |
|
| AV01 | Patent right actively abandoned |