CN206234279U - A kind of pre-tightening apparatus of bearing assembly and bearing - Google Patents
A kind of pre-tightening apparatus of bearing assembly and bearing Download PDFInfo
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- CN206234279U CN206234279U CN201621039169.9U CN201621039169U CN206234279U CN 206234279 U CN206234279 U CN 206234279U CN 201621039169 U CN201621039169 U CN 201621039169U CN 206234279 U CN206234279 U CN 206234279U
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- cantilever beam
- bearing
- tightening apparatus
- pretension
- force value
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Abstract
The utility model discloses a kind of pre-tightening apparatus of bearing, including pretension component and cantilever beam force value display instrument, wherein, the pretension component includes the hanging cantilever beam sensor in one end, and regulating part is installed in the free end of cantilever beam sensor, the regulating part offsets with one end of jacking block, the other end of jacking block is fitted pretension with bearing, the regulation of the pressure for being applied to jacking block can be realized by the regulation of regulating part, above-mentioned cantilever beam force value display instrument is connected with cantilever beam sensor signal, the force value for showing cantilever beam sensor.Power of the application needed for by setting bearing pre-tightened simultaneously stops the power that the above-mentioned regulating part of regulation is applied to jacking block when cantilever beam force value display instrument reaches the value, that is, realize the pretension to bearing, and the structure improves the accuracy of detection by sensor detection.The invention also discloses a kind of bearing assembly of the pre-tightening apparatus with above-mentioned bearing.
Description
Technical field
The utility model is related to bearing pre-tightened technical field, is be related to a kind of bearing assembly and bearing pre- specifically
Tight device.
Background technology
The pretension of rolling bearing, refers to after bearing is assembled, to make by some way on bearing inner race or outer ring along it
Axis direction apply a constant power, and keep this power make Internal and external cycle produce relative movement, on the one hand can eliminate the interior of bearing
Portion's clearance, on the other hand can also force rolling element and Internal and external cycle to be in close contact, and produce certain deformation in contact position.
Due to the effect of pretightning force, rolling element and inner ring, outer ring contact position just produce elastic deformation, and increase contact area
Greatly, the rolling element for participating in endurance increases, that is, may make rolling element stress in the range of more than 180 °.More roller ginsengs
With bear load, bearing capacity can not only be improved, it is also possible to which the load for bearing single roller diminishes, improve service life.Together
When, the support stiffness of bearing can be improved, also compensate for bearing micro abrasion in use.
At present, it is that bearing block is loaded using butterfly spring together as matching component for the pretension of bearing, if spring
By accurate measurement and certain precommpression before loading, really can be while certain limit pretightning force be ensured, for axle
The thermal expansion held necessarily is compensated, but, it is that deformation by measuring spring draws for required pretightning force, easily lead
Cause pretightning force inaccurate.
Therefore, how a kind of pre-tightening apparatus of bearing are provided, are current those skilled in the art to improve pretension accuracy
The technical issues that need to address.
Utility model content
In view of this, the utility model provides a kind of pre-tightening apparatus of bearing, to improve pretension accuracy.This practicality is new
Type additionally provides a kind of bearing assembly of the pre-tightening apparatus with above-mentioned bearing.
To achieve the above object, the utility model provides following technical scheme：
A kind of pre-tightening apparatus of bearing, it includes：Pretension component and cantilever beam force value display instrument, wherein, the pretension
Component includes：
The hanging cantilever beam sensor in one end；
The free end of the cantilever beam sensor is provided with regulating part；
One end is offseted with the regulating part, and the other end can fit the jacking block of pretension with bearing, and the regulating part can be adjusted
Section is applied to the pressure of the jacking block；
The cantilever beam force value display instrument is connected with the cantilever beam sensor signal, for showing that the cantilever beam is passed
The force value of sensor.
Preferably, in above-mentioned pre-tightening apparatus, the cantilever beam sensor is detachably mounted to bearing by connecting plate
On seat.
Preferably, in above-mentioned pre-tightening apparatus, the cantilever beam sensor is bolted on the connecting plate.
Preferably, in above-mentioned pre-tightening apparatus, the regulating part is clamping screw, the clamping screw and the cantilever beam
The tapped through hole of sensor is connected.
Preferably, in above-mentioned pre-tightening apparatus, the pretension component is three groups, and along the circumferentially distributed of bearing.
Preferably, in above-mentioned pre-tightening apparatus, the cantilever beam sensor of all pretension components with it is same
The cantilever beam force value display instrument signal connection, and the numerical value that the cantilever beam force value display instrument shows is all described pre-
The sum of the numerical value of the cantilever beam sensor of tight component.
Preferably, in above-mentioned pre-tightening apparatus, pretension component is uniformly distributed along the circumference of bearing described in three groups.
A kind of bearing assembly, including bearing and bearing pre-tightening apparatus, wherein, the pre-tightening apparatus are such as above-mentioned any one
Described pre-tightening apparatus.
Understood via above-mentioned technical scheme, the utility model discloses a kind of pre-tightening apparatus of bearing, including pretension group
Part and cantilever beam force value display instrument, wherein, the pretension component includes the hanging cantilever beam sensor in one end, and in cantilever beam
The free end of sensor is provided with regulating part, and the regulating part offsets with one end of jacking block, and the other end of jacking block is fitted in advance with bearing
Tightly, the regulation of the pressure for being applied to jacking block can be realized by the regulation of regulating part, above-mentioned cantilever beam force value display instrument with
Cantilever beam sensor signal is connected, the force value for showing cantilever beam sensor.The application is needed for by setting bearing pre-tightened
Power simultaneously stops the power that the above-mentioned regulating part of regulation is applied to jacking block when cantilever beam force value display instrument reaches the value, that is, realize to axle
The pretension for holding, the structure detects the accuracy that improve detection by sensor.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing for providing.
The front view of the pre-tightening apparatus of the bearing that Fig. 1 is provided for the utility model embodiment；
The top view of the pre-tightening apparatus of the bearing that Fig. 2 is provided for the utility model embodiment.
Specific embodiment
Core of the present utility model is to provide a kind of pre-tightening apparatus of bearing, to improve pretension accuracy.The utility model
Another core be to provide a kind of bearing assembly of the pre-tightening apparatus with above-mentioned bearing.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
As depicted in figs. 1 and 2, a kind of pre-tightening apparatus of bearing are disclosed in the utility model, including pretension component and outstanding
Arm beam force value display instrument 6, wherein, the pretension component includes the hanging cantilever beam sensor 3 in one end, and in cantilever beam sensing
The free end of device 3 is provided with regulating part 4, and the regulating part 4 is offseted with one end of jacking block 5, and the other end of jacking block 5 is fitted in advance with bearing
Tightly, the regulation of the pressure for being applied to jacking block 5, above-mentioned cantilever beam force value display instrument 6 can be realized by the regulation of regulating part 4
It is connected with the signal of cantilever beam sensor 3, the force value for showing cantilever beam sensor 3.The application is by setting bearing pre-tightened institute
The power of need simultaneously stops the power that the above-mentioned regulating part 4 of regulation is applied to jacking block 5 when cantilever beam force value display instrument 6 reaches the value, i.e.,
The pretension to bearing is realized, the structure detects the accuracy that improve detection by sensor.
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 according to setting, and in protection model the need for difference
In enclosing, disclosed herein is arranged on bearing block 1 cantilever beam sensor 3 by connecting plate 2, is only a kind of specific mode.
The material and size of above-mentioned connecting plate 2 are not required, as long as the erection to cantilever beam sensor 3 can be realized.Tool
Body ground, the connecting plate 2 is bolted on bearing block 1.
For that can be bolted to connection between cantilever beam sensor 3 and connecting plate 2, to ensure cantilever beam sensor 3
The stability of connection.Clamping or bonding can be also used in practice, as long as ensure that the connection of the requirement of cantilever beam sensor 3
The connected mode of intensity.
Preferably, above-mentioned regulating part 4 is the tapped through hole spiral shell of clamping screw, the clamping screw and cantilever beam sensor 3
Line coordinates.Regulative mode using threaded connection can not only ensure the stability that clamping screw is connected with cantilever beam sensor 3,
The regulation to clamping screw position can also be facilitated, i.e., it is easy to operate.By adjusting position of the clamping screw on cantilever beam sensor 3
Put, and change distance of the clamping screw relative to jacking block 5, that is, change the pressure that clamping screw is applied to jacking block 5, it is right so as to realize
The pretension of bearing.When the power that clamping screw applies reaches default requirement, i.e., the number shown in cantilever beam force value display instrument 6
It is worth for default value then stops the rotation clamping screw.Due to being threaded connection, can be in the auto-lock function of screw thread when stopping operating
Under, it is ensured that position is constant, that is, the pretightning force for applying is constant, further increases accuracy.
In further embodiment, above-mentioned pretension component is three groups, and along the circumferentially distributed of bearing, it is pre- using three groups
Tight component carries out pretension simultaneously to bearing, can prevent bearing position in the presence of pretightning force from shifting.For pretension component
Number may be alternatively provided as other numbers, be not limited in three.In order to further prevent bearing from shifting, this three groups of pretensions
Component is uniformly distributed along the circumference of bearing.
In further embodiment, the cantilever beam sensor 3 of above-mentioned all pretension components shows with cantilever beam force value
The signal of instrument 6 connect, and the cantilever beam force value display instrument 6 display numerical value be all pretension components cantilever beam sensor
3 numerical value and.By taking three groups of pretension components as an example, three groups of cantilever beam sensors of pretension component 3 with same cantilever beam force value
The signal of display instrument 6 is connected, and the numerical value that the cantilever beam force value display instrument 6 shows is for these three cantilever beam sensors 3 are surveyed
The sum of the numerical value for obtaining, i.e. these three pretension components are applied to the pressure of bearing, i.e. pretightning force jointly.In practical adjustments, each
The pretightning force that pretension component applies is not limited, as long as the pretightning force that can guarantee that overall applying is preset value.
Additionally, disclosed herein as well is a kind of bearing assembly, including bearing and bearing pre-tightening apparatus, wherein, the pretension
Device is the pre-tightening apparatus as disclosed in above-mentioned embodiment, therefore, the bearing assembly with the pre-tightening apparatus also has above-mentioned institute
There is technique effect, this is no longer going to repeat them.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where spirit or scope of the present utility model are not departed from.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (8)
1. a kind of pre-tightening apparatus of bearing, it is characterised in that including：Pretension component and cantilever beam force value display instrument (6), its
In, the pretension component includes：
The hanging cantilever beam sensor in one end (3)；
The free end of the cantilever beam sensor (3) is provided with regulating part (4)；
One end offsets with the regulating part (4), and the other end can fit the jacking block (5) of pretension, regulating part (4) energy with bearing
Enough regulations are applied to the pressure of the jacking block (5)；
The cantilever beam force value display instrument (6) is connected with the cantilever beam sensor (3) signal, for showing the cantilever beam
The force value of sensor (3).
2. pre-tightening apparatus according to claim 1, it is characterised in that the cantilever beam sensor (3) is by connecting plate (2)
It is detachably mounted on bearing block (1).
3. pre-tightening apparatus according to claim 1, it is characterised in that the cantilever beam sensor (3) is bolted
On the connecting plate (2).
4. pre-tightening apparatus according to claim 1, it is characterised in that the regulating part (4) is clamping screw, the locking
Bolt is connected with the tapped through hole of the cantilever beam sensor (3).
5. pre-tightening apparatus according to claim any one of 1-4, it is characterised in that the pretension component is three groups, and edge
Bearing it is circumferentially distributed.
6. pre-tightening apparatus according to claim 5, it is characterised in that the cantilever beam sensing of all pretension components
Device (3) is connected with same cantilever beam force value display instrument (6) signal, and the cantilever beam force value display instrument (6)
The numerical value of display is the sum of the numerical value of the cantilever beam sensor (3) of all pretension components.
7. pre-tightening apparatus according to claim 5, it is characterised in that pretension component described in three groups is along the circumferential uniform of bearing
Distribution.
8. the pre-tightening apparatus of a kind of bearing assembly, including bearing and bearing, it is characterised in that the pre-tightening apparatus are that right such as will
Seek the pre-tightening apparatus described in any one of 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621039169.9U CN206234279U (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 |
|---|---|---|---|
| CN201621039169.9U CN206234279U (en) | 2016-09-06 | 2016-09-06 | A kind of pre-tightening apparatus of bearing assembly and bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206234279U true CN206234279U (en) | 2017-06-09 |
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ID=58989655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621039169.9U Active CN206234279U (en) | 2016-09-06 | 2016-09-06 | A kind of pre-tightening apparatus of bearing assembly and bearing |
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| CN (1) | CN206234279U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122291A (en) * | 2016-09-06 | 2016-11-16 | 沃德传动（天津）股份有限公司 | A kind of bearing assembly and the pre-tightening apparatus of bearing |
| CN111173843A (en) * | 2018-11-09 | 2020-05-19 | 约翰迪尔（天津）有限公司 | Loading method, loading equipment and mounting method for pre-tightening force of rolling bearing |
-
2016
- 2016-09-06 CN CN201621039169.9U patent/CN206234279U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122291A (en) * | 2016-09-06 | 2016-11-16 | 沃德传动（天津）股份有限公司 | A kind of bearing assembly and the pre-tightening apparatus of bearing |
| CN111173843A (en) * | 2018-11-09 | 2020-05-19 | 约翰迪尔（天津）有限公司 | Loading method, loading equipment and mounting method for pre-tightening force of rolling bearing |
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