CN106224394A - A kind of bearing assembly and the pre-tightening apparatus of bearing - Google Patents
A kind of bearing assembly and the pre-tightening apparatus of bearing Download PDFInfo
- Publication number
- CN106224394A CN106224394A CN201610804246.3A CN201610804246A CN106224394A CN 106224394 A CN106224394 A CN 106224394A CN 201610804246 A CN201610804246 A CN 201610804246A CN 106224394 A CN106224394 A CN 106224394A
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- China
- Prior art keywords
- connector
- face
- bearing
- spring
- tightening apparatus
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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
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Support Of The Bearing (AREA)
Abstract
The invention discloses the pre-tightening apparatus of a kind of bearing, it includes the first connector, the second connector and spring and regulating part, wherein, first connector holds out against for contacting with the outer ring of bearing, spring is arranged between the first connector and two opposite faces of the second connector, and the regulation of the second connector can be realized the compression to spring by regulating part, the application defines for the distance connecting between the first end face of spring and the second end face be the deflection needed for spring.Use pre-tightening apparatus disclosed herein, do not reside at the inside of bearing, but arrange in the outside of bearing, and the deflection that the distance between the first end face and the second end face is required spring, i.e. as scale, the deformation of spring is defined, the accuracy of detection can be improved.The invention also discloses the bearing assembly of a kind of pre-tightening apparatus with above-mentioned bearing.
Description
Technical field
The present invention relates to bearing pre-tightened technical field, specifically, relate to the pretension dress of a kind of bearing assembly and bearing
Put.
Background technology
The pretension of rolling bearing, refers to after bearing assembles, make by some way on bearing inner race or outer ring along it
Axis direction applies a constant power, and keeps this power to make Internal and external cycle produce relative movement, on the one hand can eliminate the interior of bearing
Portion's play, on the other hand also can force rolling element and Internal and external cycle to be in close contact, and produce certain deformation in contact position.
Owing to the effect of pretightning force, rolling element and inner ring, contact position, outer ring just produce elastic deformation, and contact area is made to increase
Greatly, the rolling element participating in holding capacity increases, and namely may make rolling element stress in the range of more than 180 °.More roller ginseng
With bear load, bearing capacity can not only be improved, it is possible to so that the load that single roller bears diminishes, improve service life.With
Time, the support stiffness of bearing can be improved, it is possible to compensate bearing trace abrasion in use.
Pretension currently for bearing is to use butterfly spring to load bearing block together as matching component, if spring
Through accurately measuring and certain precommpression before loading, really can be while ensureing certain limit pretightning force, for axle
The thermal expansion held necessarily compensates, but, it is to be drawn by the deformation of measurement spring for required pretightning force, easily leads
Cause pretightning force is inaccurate.
Therefore, how to provide the pre-tightening apparatus of a kind of bearing, to improve pretension accuracy, be that those skilled in the art are current
The technical issues that need to address.
Summary of the invention
In view of this, the invention provides the pre-tightening apparatus of a kind of bearing, to improve pretension accuracy.The present invention also provides for
A kind of bearing assembly of the pre-tightening apparatus with above-mentioned bearing.
For achieving the above object, the present invention provides following technical scheme:
A kind of pre-tightening apparatus of bearing, comprising:
First connector and the second connector, described first connector holds out against for contacting with the outer ring of bearing；
Spring, described spring one end is connected with the first end face of described first connector, and the other end is connected with described second
Second end face of part connects, and described first end face is relative with described second end face, described first end face and described second end face it
Between distance be the deflection needed for described spring；
The regulating part offseted with described second connector, described regulating part regulates described second connector to described first even
The distance of fitting.
Preferably, in above-mentioned pre-tightening apparatus, described regulating part is bolt, and described regulating part is threadeded with installing plate.
Preferably, in above-mentioned pre-tightening apparatus, described installing plate is removably mounted on bearing block.
Preferably, in above-mentioned pre-tightening apparatus, described first connector and described second connector are one end open
Tubular construction, and both openings are relative, and the end face of the opening of described first connector forms described first end face, and described
The end face of the opening of the second connector forms described second end face.
Preferably, in above-mentioned pre-tightening apparatus, the bottom of described first connector and the bottom of described second connector are equal
Having support column, described support column is used for sheathed described spring.
Preferably, in above-mentioned pre-tightening apparatus, the free end end face of the support column of described first connector and described first
End face is concordant, and the free end end face of the support column of described second connector is concordant with described second end face.
A kind of bearing assembly, including bearing and the pre-tightening apparatus of bearing, wherein, described pre-tightening apparatus is any of the above-described institute
The pre-tightening apparatus stated.
Understanding via above-mentioned technical scheme, the invention discloses the pre-tightening apparatus of a kind of bearing, it includes the first connection
Part, the second connector and spring and regulating part, wherein, the first connector holds out against for contacting with the outer ring of bearing, and spring sets
Put between the first connector and two opposite faces of the second connector, and can be real to the regulation of the second connector by regulating part
The now compression to spring, the application defines for the distance connecting between the first end face of spring and the second end face be spring
Required deflection.Use pre-tightening apparatus disclosed herein, do not reside at the inside of bearing, but set in the outside of bearing
Put, and the deflection that the distance between the first end face and the second end face is required spring, i.e. as the scale change to spring
Shape is defined, and can improve the accuracy of detection.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
The accompanying drawing provided obtains other accompanying drawing.
The structural representation of the bearing assembly that Fig. 1 provides for the embodiment of the present invention；
First connector of the pre-tightening apparatus that Fig. 2 provides for the embodiment of the present invention, the second connector and the installation diagram of spring；
Fig. 3 is the front view of Fig. 2；
Fig. 4 is AA direction sectional view in Fig. 3.
Detailed description of the invention
The core of the present invention is to provide the pre-tightening apparatus of a kind of bearing, to improve pretension accuracy.Another core of the present invention
The heart is to provide the bearing assembly of a kind of pre-tightening apparatus with above-mentioned bearing.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
As Figure 1-Figure 4, disclosing the pre-tightening apparatus of a kind of bearing in the present invention, it includes the first connector 1, second
Connector 2 and spring 3 and regulating part 4, wherein, the first connector 1 holds out against for contacting with the outer ring of bearing, and spring 3 is arranged
Between the first connector 1 and two opposite faces of the second connector 2, and can to the regulation of the second connector 2 by regulating part 4
Realize compression to spring 3, the application defines for the distance connecting between the first end face of spring 3 and the second end face and be
Deflection needed for spring 3.Use pre-tightening apparatus disclosed herein, do not reside at the inside of bearing, but at bearing
Outside is arranged, and the deflection that the distance between the first end face and the second end face is required spring 3, i.e. as scale to bullet
The deformation of spring 3 is defined, and can improve the accuracy of detection.
In specific embodiment, the regulating part 4 in this pre-tightening apparatus is bolt, and this bolt is with installing plate 5 screw thread even
Connecing, i.e. have tapped through hole on installing plate 5, bolt is connected with this tapped through hole threaded engagement, by rotating forward bolt to change
Become the relative position between bolt and installing plate 5, thus realize being pressed downward against the second connector 2, it is achieved the compression of spring 3；Reversely
Swivel bolt can realize the release of the second connector 2, so that spring 3 gradually resets.
Preferably, above-mentioned installing plate 5 is detachably arranged on bearing block, and concrete is bolted, it is possible to
Connected by other connectors, as long as being capable of the installing plate 5 mounting means on bearing block all in protection domain.This
Outward, the link position for installing plate 5 is changed also dependent on different needs, i.e. this installing plate 5 also may be installed other
On parts, it is not limited on bearing block.
The first connector 1 in above-described embodiment and the second connector 2 are the tubular construction of one end open, and this two
The opening of individual tubular construction is relative, and spring 3 is arranged between two openings.The end face of the opening of the first connector 1 forms first
End face, the end face of the opening of the second connector 2 forms the second end face.Disclosed herein is a kind of first connector 1 and second to connect
The concrete shape of part 2, but the application is not limited to that, owing to the effect of the first connector 1 and the second connector 2 is even
Connect spring 3 and offset with corresponding parts, it is achieved the pretension to bearing, it therefore meets the connector of this condition is all in protection
In the range of.
Further, it is provided with support column in the bottom of the bottom of the first connector 1 and the second connector 2, setting
Support column is used for sheathed spring 3.The effect arranging support column is the spacing connection to spring 3, and spring 3 is set in support column
On, spacing by support column, can prevent spring 3 from offseting, it is achieved the installation of spring 3.The most also can be without support column, and
It is the end of spring 3 to be directly anchored on the first connector 1 and the second connector 2.
Free end and first end face of the support column of the first connector 1 are concordant, the free end of the support column of the second connector 2
End face and the second end face concordant.Above-mentioned set-up mode with prevent the first end face and the second end face near time, two support columns
Offset and affect the first end face and the distance of the second end face.Height for support column can be defined according to different needs,
And all in protection domain.
Shape and size for spring 3 can need to be defined according to difference, is not specifically limited at this.In conjunction with this Shen
The pre-tightening apparatus of the bearing disclosed in please, now provides a kind of explanation at actual concrete numerical value:
Spacing between first end face and the second end face is, the spring 3 height under specified pressure adds with the highest difference
Upper gap intermediate value (0.5mm).As: need the power of jacking block metering 400N, then, after applying the pressure of 400N on spring 3, record spring 3 is high
Degree.It is the first end face and the design pitch of the second end face with height+0.5mm after spring 3 freely height-compression.
Additionally, disclosed herein as well is a kind of bearing assembly, including bearing and the pre-tightening apparatus of bearing, wherein, this pretension
Device is the pre-tightening apparatus as disclosed in above-described embodiment, and therefore, the bearing assembly with this pre-tightening apparatus also has above-mentioned institute
Having technique effect, this is no longer going to repeat them.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (7)
1. the pre-tightening apparatus of a bearing, it is characterised in that including:
First connector (1) and the second connector (2), described first connector (1) holds out against for contacting with the outer ring of bearing；
Spring (3), described spring (3) one end is connected with the first end face of described first connector (1), the other end and described second
Second end face of connector (2) connects, and described first end face is relative with described second end face, described first end face and described second
Distance between end face is the deflection needed for described spring (3)；
The regulating part (4) offseted with described second connector (2), described regulating part (4) regulates described second connector (2) to institute
State the distance of the first connector (1).
Pre-tightening apparatus the most according to claim 1, it is characterised in that described regulating part (4) is bolt, described regulating part
(4) threaded with installing plate (5).
Pre-tightening apparatus the most according to claim 2, it is characterised in that described installing plate is removably mounted on bearing block.
4. according to the pre-tightening apparatus described in any one of claim 1-3, it is characterised in that described first connector (1) and described
Second connector (2) is the tubular construction of one end open, and both openings are relative, and described first connector (1)
The end face of opening forms described first end face, and the end face of the opening of described second connector (2) forms described second end face.
Pre-tightening apparatus the most according to claim 4, it is characterised in that the bottom of described first connector (1) and described
The bottom of two connectors (2) is respectively provided with support column, and described support column is used for sheathed described spring (3).
Pre-tightening apparatus the most according to claim 5, it is characterised in that the freedom of the support column of described first connector (1)
End end face is concordant with described first end face, the free end end face of the support column of described second connector (2) and described second end face
Concordant.
7. a bearing assembly, including bearing and the pre-tightening apparatus of bearing, it is characterised in that described pre-tightening apparatus is that right such as is wanted
Seek the pre-tightening apparatus described in any one of 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610804246.3A CN106224394B (en) | 2016-09-06 | 2016-09-06 | A kind of pre-tightening apparatus of bearing assembly and bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610804246.3A CN106224394B (en) | 2016-09-06 | 2016-09-06 | A kind of pre-tightening apparatus of bearing assembly and bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106224394A true CN106224394A (en) | 2016-12-14 |
| CN106224394B CN106224394B (en) | 2019-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610804246.3A Active CN106224394B (en) | 2016-09-06 | 2016-09-06 | A kind of pre-tightening apparatus of bearing assembly and bearing |
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| Country | Link |
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| CN (1) | CN106224394B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111618741A (en) * | 2020-06-10 | 2020-09-04 | 山东蓝宇精密轴承制造有限公司 | Grinding machine emery wheel circular arc trimmer |
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| CN102261389A (en) * | 2010-05-28 | 2011-11-30 | 庞长同 | Novel bearing pre-tightening device |
| CN201807934U (en) * | 2010-09-21 | 2011-04-27 | 桂林机床股份有限公司 | Mechanical longitudinal support device for horizontal screw rod of machine tool |
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| US20150076972A1 (en) * | 2012-04-20 | 2015-03-19 | Ipgate Ag | Bearing arrangement in an axial drive |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111618741A (en) * | 2020-06-10 | 2020-09-04 | 山东蓝宇精密轴承制造有限公司 | Grinding machine emery wheel circular arc trimmer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106224394B (en) | 2019-04-02 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Bearing assembly and bearing pre tightening device Effective date of registration: 20220610 Granted publication date: 20190402 Pledgee: Bank of China Limited Tianjin Hexi sub branch Pledgor: WARD TRANSMISSION TECHNOLOGY (TIANJIN) Co.,Ltd. Registration number: Y2022120000027 |
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Date of cancellation: 20230821 Granted publication date: 20190402 Pledgee: Bank of China Limited Tianjin Hexi sub branch Pledgor: WARD TRANSMISSION TECHNOLOGY (TIANJIN) Co.,Ltd. Registration number: Y2022120000027 |
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Denomination of invention: A bearing component and pre tightening device for bearings Effective date of registration: 20230828 Granted publication date: 20190402 Pledgee: Bank of China Limited Tianjin Hexi sub branch Pledgor: WARD TRANSMISSION TECHNOLOGY (TIANJIN) Co.,Ltd. Registration number: Y2023120000074 |
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