CN106122291A - 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
- CN106122291A CN106122291A CN201610804247.8A CN201610804247A CN106122291A CN 106122291 A CN106122291 A CN 106122291A CN 201610804247 A CN201610804247 A CN 201610804247A CN 106122291 A CN106122291 A CN 106122291A
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- China
- Prior art keywords
- cantilever beam
- bearing
- pretension
- tightening apparatus
- force value
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- 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.)
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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)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses the pre-tightening apparatus of a kind of bearing, instrument is shown including pretension assembly and cantilever beam force value, wherein, this pretension assembly includes the cantilever beam sensor that one end is unsettled, and the free end at cantilever beam sensor is provided with regulating part, this regulating part offsets with one end of jacking block, the other end of jacking block and bearing laminating pretension, it is capable of being applied to the regulation of the pressure of jacking block by the regulation of regulating part, above-mentioned cantilever beam force value display instrument is connected with cantilever beam sensor signal, for showing the force value of cantilever beam sensor.By the power needed for setting bearing pre-tightened and in cantilever beam force value, the application shows that stopping regulating above-mentioned regulating part when instrument arrives this value is applied to the power of jacking block, i.e. realizes the pretension to bearing, this structure improves the accuracy of detection by sensor detection.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: pretension assembly and cantilever beam force value display instrument, wherein, described pretension
Assembly includes:
The cantilever beam sensor that one end is unsettled；
The free end of described cantilever beam sensor is provided with regulating part；
One end offsets with described regulating part, and the other end can be with the jacking block of bearing laminating pretension, and described regulating part can be adjusted
Joint is applied to the pressure of described jacking block；
Described cantilever beam force value display instrument is connected with described cantilever beam sensor signal, is used for showing that described cantilever beam passes
The force value of sensor.
Preferably, in above-mentioned pre-tightening apparatus, described cantilever beam sensor is detachably mounted to bearing by connecting plate
On seat.
Preferably, in above-mentioned pre-tightening apparatus, described cantilever beam sensor is bolted on described connecting plate.
Preferably, in above-mentioned pre-tightening apparatus, described regulating part is clamping screw, described clamping screw and described cantilever beam
The tapped through hole of sensor is connected.
Preferably, in above-mentioned pre-tightening apparatus, described pretension assembly is three groups, and circumferentially distributed along bearing.
Preferably, in above-mentioned pre-tightening apparatus, the described cantilever beam sensor of all described pretension assemblies is all with same
Described cantilever beam force value display instrument signal connects, and the numerical value that described cantilever beam force value display instrument shows is all described pre-
The sum of the numerical value of the described cantilever beam sensor of tight assembly.
Preferably, in above-mentioned pre-tightening apparatus, described in three groups, pretension assembly is uniformly distributed along the circumference of bearing.
A kind of bearing assembly, including bearing and the pre-tightening apparatus of bearing, wherein, described pre-tightening apparatus is such as above-mentioned any one
Described pre-tightening apparatus.
Understand via above-mentioned technical scheme, the invention discloses the pre-tightening apparatus of a kind of bearing, including pretension assembly and
Cantilever beam force value display instrument, wherein, this pretension assembly includes the cantilever beam sensor that one end is unsettled, and senses at cantilever beam
The free end of device is provided with regulating part, and this regulating part offsets with one end of jacking block, the other end of jacking block and bearing laminating pretension, logical
Overregulate the regulation that the regulation of part is capable of being applied to the pressure of jacking block, above-mentioned cantilever beam force value display instrument and cantilever beam
Sensor signal connects, for showing the force value of cantilever beam sensor.The application by set the power needed for bearing pre-tightened and
Cantilever beam force value display instrument stops regulating above-mentioned regulating part when arriving this value and is applied to the power of jacking block, and i.e. realize bearing is pre-
Tightly, this structure improves the accuracy of detection by sensor 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 front view of the pre-tightening apparatus of the bearing that Fig. 1 provides for the embodiment of the present invention；
The top view of the pre-tightening apparatus of the bearing that Fig. 2 provides for the embodiment of the present invention.
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 depicted in figs. 1 and 2, the present invention discloses the pre-tightening apparatus of a kind of bearing, including pretension assembly and cantilever beam
Force value display instrument 6, wherein, this pretension assembly includes the cantilever beam sensor 3 that one end is unsettled, and at cantilever beam sensor 3
Free end regulating part 4 is installed, this regulating part 4 offsets with one end of jacking block 5, and the other end of jacking block 5 and bearing are fitted pretension,
Be capable of being applied to the regulation of the pressure of jacking block 5 by the regulation of regulating part 4, above-mentioned cantilever beam force value display instrument 6 with
Cantilever beam sensor 3 signal connects, for showing the force value of cantilever beam sensor 3.Needed for the application is by setting bearing pre-tightened
Power and stop regulating above-mentioned regulating part 4 when cantilever beam force value display instrument 6 arrives this value and be applied to the power of jacking block 5, the most in fact
The now pretension to bearing, this structure improves the accuracy of detection by sensor detection.
In specific embodiment, above-mentioned cantilever beam sensor 3 is detachably mounted on bearing block 1 by connecting plate 2.
Installation site and mounting means for cantilever beam sensor 3 can be set according to different needs, and all at protection model
In enclosing, disclosed herein is arranged on cantilever beam sensor 3 on bearing block 1 by connecting plate 2, is only a kind of concrete mode.
Material and the size of above-mentioned connecting plate 2 do not do requirement, as long as being capable of the erection to cantilever beam sensor 3.Tool
Body ground, this connecting plate 2 is bolted on bearing block 1.
For being bolted to connection between cantilever beam sensor 3 and connecting plate 2, to ensure cantilever beam sensor 3
The stability connected.May be used without clamping or bonding, as long as ensure that the connection that cantilever beam sensor 3 requires in practice
The connected mode of intensity.
Preferably, above-mentioned regulating part 4 is clamping screw, this clamping screw and the tapped through hole spiral shell of cantilever beam sensor 3
Stricture of vagina coordinates.Use threaded regulative mode can not only ensure the stability that clamping screw is connected with cantilever beam sensor 3,
Also can facilitate the regulation to clamping screw position, the most easy to operate.By regulation clamping screw position on cantilever beam sensor 3
Put, and change the clamping screw distance relative to jacking block 5, i.e. change clamping screw and be applied to the pressure of jacking block 5, thus realize right
The pretension of bearing.When the power that clamping screw applies reaches default requirement, i.e. the number of display in cantilever beam force value display instrument 6
Value is then stopped the rotation clamping screw for default value.Due to for threaded, can be at the auto-lock function of screw thread when stopping operating
Under, it is ensured that invariant position, the pretightning force i.e. applied is constant, further increases accuracy.
In further embodiment, above-mentioned pretension assembly is three groups, and circumferentially distributed along bearing, use three groups pre-
Tight assembly carries out pretension to bearing simultaneously, can prevent bearing from offseting position under the effect of pretightning force.For pretension assembly
Number may be alternatively provided as other numbers, be not limited in three.In order to prevent bearing from offseting further, these three groups of pretensions
Assembly is uniformly distributed along the circumference of bearing.
In further embodiment, the cantilever beam sensor 3 of above-mentioned all pretension assemblies all shows with cantilever beam force value
Instrument 6 signal connects, and the cantilever beam sensor that numerical value is all pretension assemblies of this cantilever beam force value display instrument 6 display
The numerical value of 3 and.As a example by three groups of pretension assemblies, the cantilever beam sensor 3 of three groups of pretension assemblies all with same cantilever beam force value
Display instrument 6 signal connects, and the numerical value of this cantilever beam force value display instrument 6 display is that these three cantilever beam sensor 3 is surveyed
The sum of the numerical value obtained, i.e. these three pretension assembly is applied to the pressure of bearing, i.e. pretightning force jointly.In practical adjustments, each
The pretightning force that pretension assembly applies does not limits, as long as can guarantee that the pretightning force of overall applying is preset value.
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 (8)
1. the pre-tightening apparatus of a bearing, it is characterised in that including: pretension assembly and cantilever beam force value display instrument (6), its
In, described pretension assembly includes:
The cantilever beam sensor (3) that one end is unsettled；
The free end of described cantilever beam sensor (3) is provided with regulating part (4)；
One end offsets with described regulating part (4), and the other end can be with the jacking block (5) of bearing laminating pretension, described regulating part (4) energy
Enough regulations are applied to the pressure of described jacking block (5)；
Described cantilever beam force value display instrument (6) is connected with described cantilever beam sensor (3) signal, is used for showing described cantilever beam
The force value of sensor (3).
Pre-tightening apparatus the most according to claim 1, it is characterised in that described cantilever beam sensor (3) passes through connecting plate (2)
It is detachably mounted on bearing block (1).
Pre-tightening apparatus the most according to claim 1, it is characterised in that described cantilever beam sensor (3) is bolted
On described connecting plate (2).
Pre-tightening apparatus the most according to claim 1, it is characterised in that described regulating part (4) is clamping screw, described locking
Bolt is connected with the tapped through hole of described cantilever beam sensor (3).
5. according to the pre-tightening apparatus described in any one of claim 1-4, it is characterised in that described pretension assembly is three groups, and edge
Bearing circumferentially distributed.
Pre-tightening apparatus the most according to claim 5, it is characterised in that the described cantilever beam sensing of all described pretension assemblies
Device (3) is all connected with same described cantilever beam force value display instrument (6) signal, and described cantilever beam force value display instrument (6)
The sum of the numerical value of the described cantilever beam sensor (3) that numerical value is all described pretension assemblies of display.
Pretension assembly the most according to claim 5, it is characterised in that pretension assembly described in three groups is uniform along the circumference of bearing
Distribution.
8. 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 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610804247.8A CN106122291A (en) | 2016-09-06 | 2016-09-06 | A kind of bearing assembly and the pre-tightening apparatus of bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610804247.8A CN106122291A (en) | 2016-09-06 | 2016-09-06 | A kind of bearing assembly and the pre-tightening apparatus of bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106122291A true CN106122291A (en) | 2016-11-16 |
Family
ID=57271255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610804247.8A Pending CN106122291A (en) | 2016-09-06 | 2016-09-06 | A kind of bearing assembly and the pre-tightening apparatus of bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106122291A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10239189A (en) * | 1997-02-21 | 1998-09-11 | Sony Corp | Method and apparatus for applying pre-load |
| CN201066314Y (en) * | 2007-07-27 | 2008-05-28 | 合肥工业大学 | Integrated inspection instrument for friction torque of rolling bearing |
| WO2008142841A1 (en) * | 2007-05-14 | 2008-11-27 | Ntn Corporation | Bearing device and device for sensing bearing preload |
| CN201193659Y (en) * | 2008-03-28 | 2009-02-11 | 三一重型装备有限公司 | Assembling structure of radial thrust bearing with constant axial pretightening force |
| CN201923811U (en) * | 2011-01-06 | 2011-08-10 | 宜昌三思科技有限公司 | Adjustable rope tension power takeoff device |
| CN102647108A (en) * | 2012-04-10 | 2012-08-22 | 上海交通大学 | Traveling wave ultrasonic motor similar to the gear transmission and control method thereof |
| CN102866006A (en) * | 2012-09-19 | 2013-01-09 | 西安交通大学 | Strong-generality comprehensive experiment table for testing dynamic and static properties of spindle system |
| CN104236907A (en) * | 2014-09-04 | 2014-12-24 | 西安交通大学 | Rolling bearing friction moment and stiffness measuring device and method |
| CN204099434U (en) * | 2014-09-26 | 2015-01-14 | 沈阳华创风能有限公司 | A kind of bearing clearance mounting and adjusting structure |
| CN104483055A (en) * | 2014-12-09 | 2015-04-01 | 株洲联诚集团有限责任公司 | Device and method for measuring axial force of rotor bearing of three-phase induction motor |
| CN206234279U (en) * | 2016-09-06 | 2017-06-09 | 沃德传动（天津）股份有限公司 | A kind of pre-tightening apparatus of bearing assembly and bearing |
-
2016
- 2016-09-06 CN CN201610804247.8A patent/CN106122291A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10239189A (en) * | 1997-02-21 | 1998-09-11 | Sony Corp | Method and apparatus for applying pre-load |
| WO2008142841A1 (en) * | 2007-05-14 | 2008-11-27 | Ntn Corporation | Bearing device and device for sensing bearing preload |
| CN201066314Y (en) * | 2007-07-27 | 2008-05-28 | 合肥工业大学 | Integrated inspection instrument for friction torque of rolling bearing |
| CN201193659Y (en) * | 2008-03-28 | 2009-02-11 | 三一重型装备有限公司 | Assembling structure of radial thrust bearing with constant axial pretightening force |
| CN201923811U (en) * | 2011-01-06 | 2011-08-10 | 宜昌三思科技有限公司 | Adjustable rope tension power takeoff device |
| CN102647108A (en) * | 2012-04-10 | 2012-08-22 | 上海交通大学 | Traveling wave ultrasonic motor similar to the gear transmission and control method thereof |
| CN102866006A (en) * | 2012-09-19 | 2013-01-09 | 西安交通大学 | Strong-generality comprehensive experiment table for testing dynamic and static properties of spindle system |
| CN104236907A (en) * | 2014-09-04 | 2014-12-24 | 西安交通大学 | Rolling bearing friction moment and stiffness measuring device and method |
| CN204099434U (en) * | 2014-09-26 | 2015-01-14 | 沈阳华创风能有限公司 | A kind of bearing clearance mounting and adjusting structure |
| CN104483055A (en) * | 2014-12-09 | 2015-04-01 | 株洲联诚集团有限责任公司 | Device and method for measuring axial force of rotor bearing of three-phase induction motor |
| CN206234279U (en) * | 2016-09-06 | 2017-06-09 | 沃德传动（天津）股份有限公司 | A kind of pre-tightening apparatus of bearing assembly and bearing |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161116 |