CN205978136U - Preloading device of bearing assembly and bearing - Google Patents
Preloading device of bearing assembly and bearing Download PDFInfo
- Publication number
- CN205978136U CN205978136U CN201621039185.8U CN201621039185U CN205978136U CN 205978136 U CN205978136 U CN 205978136U CN 201621039185 U CN201621039185 U CN 201621039185U CN 205978136 U CN205978136 U CN 205978136U
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- CN
- China
- Prior art keywords
- bearing
- top board
- tightening apparatus
- lead
- spring
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- Withdrawn - After Issue
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Abstract
The utility model discloses a preloading device of bearing, including top board, holding down plate, spring and location identification, adjusting part and distance ring, wherein, the spring setting is adjusted the top board through the adjusting part and can be realized for the position of holding down plate that the power of exerting for the distance ring is different between top board and holding down plate, and then exerts and adjust for the pretightning force of bearing, and the location identification of setting is the required deflection of spring when be the required pretightning force of bearing. When needs carry out the pretension to the bearing, through changing the distance between top board and the holding down plate, and change the deflection of spring, reach when presetting the position when the spring, reached the pretightning force of needs this moment, do not need the technical staff to carry out the surveying calculation pretightning force at the pretension in -process to the spring again, consequently, improved the accuracy of pretension to pretension efficiency has been improved. The utility model also discloses a bearing assembly of having the preloading device of above -mentioned bearing.
Description
Technical field
This utility model is related to bearing pre-tightened technical field, specifically, is be related to a kind of bearing assembly and bearing pre-
Tight device.
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 clearance, 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.
Due to the effect of pretightning force, rolling element and inner ring, outer ring contact position just produce elastic deformation, and so that contact area is increased
Greatly, the rolling element participating in holding capacity 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 make the load that single roller bears diminish, improve service life.With
When, the support stiffness of bearing can be improved, also compensate for bearing micro abrasion in use.
Pretension currently for bearing is to load bearing block using butterfly spring together as matching component, if spring
Through accurate measurement and certain precommpression before loading, really can be while ensureing certain limit pretightning force, for axle
The thermal expansion held necessarily is compensated, but, it is to be drawn by measuring the deformation of spring for required pretightning force, easily lead
Cause pretightning force inaccurate.
Therefore, how to provide a kind of pre-tightening apparatus of bearing, to improve pretension accuracy, be that those skilled in the art are current
The technical issues that need to address.
Utility model content
In view of this, this 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.
For achieving the above object, this utility model provides following technical scheme：
A kind of pre-tightening apparatus of bearing, it includes：
Top board and lower platen and be arranged on the spring between described top board and described lower platen；
For positioning described top board with respect to the described positioning mark pushing Board position；
Adjust described top board with respect to the described adjusting part pushing Board position；
The distance collar offseting with described lower platen, described distance collar is used for offseting with bearing.
Preferably, in above-mentioned pre-tightening apparatus, between described top board and described lower platen, it is provided with lead, described bullet
Spring is set on described lead, and described top board can move up and down along described lead.
Preferably, in above-mentioned pre-tightening apparatus, described lead is two, and a pair of described lead and described spring 1
Should.
Preferably, in above-mentioned pre-tightening apparatus, described lower platen is long shaped plate, and two described leads are distributed in described length
The two ends of shape plate.
Preferably, in above-mentioned pre-tightening apparatus, described adjusting part includes：
The support fixing with respect to described bearing；
The threaded connector threadeded through described top board and with described support.
Preferably, in above-mentioned pre-tightening apparatus, described threaded connector is located between described two described leads.
Preferably, in above-mentioned pre-tightening apparatus, described lead with described push plate weld, described lead with described on
Pressing plate is connected by caging bolt, and described caging bolt one end passes through described top board, and the other end is connected with described lead.
Preferably, in above-mentioned pre-tightening apparatus, described positioning is designated the groove being inscribed on described lead.
Preferably, in above-mentioned pre-tightening apparatus, described lower platen passes through spacing ring-shaped pressuring plate and described distance collar compression.
A kind of bearing assembly, including the pre-tightening apparatus of bearing and bearing, wherein, described pre-tightening apparatus are as any of the above-described
Described pre-tightening apparatus.
Understand via above-mentioned technical scheme, the utility model discloses a kind of pre-tightening apparatus of bearing, including top board,
Lower platen, spring and positioning mark, adjusting part and distance collar, wherein, spring is arranged between top board and lower platen, leads to
Overregulate assembly regulation top board and can achieve that with respect to the position of lower platen the power being applied to distance collar is different, and then be applied to axle
The pretightning force held is adjusted, and the positioning of setting is designated during pretightning force needed for bearing and is deflection needed for spring.Work as needs
When pretension is carried out to bearing, by changing the distance between top board and lower platen, and change the deflection of spring, when spring reaches
During to predeterminated position, now reach the pretightning force needing it is not necessary to technical staff surveys to spring during pretension again
Amount calculates pretightning force, this improves the accuracy of pretension, and improves pretension efficiency.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be 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 providing.
The structural representation of the pre-tightening apparatus of the bearing that Fig. 1 provides for this utility model embodiment；
The front view of the pre-tightening apparatus of the bearing that Fig. 2 provides for this utility model embodiment；
The left view of the pre-tightening apparatus of the bearing that Fig. 3 provides for this 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.This utility model
Another core be that a kind of bearing assembly of the pre-tightening apparatus with above-mentioned bearing is provided.
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
As shown in Figure 1-Figure 3, a kind of pre-tightening apparatus of bearing are disclosed in this utility model, including top board 1, lower platen
2nd, spring 3 and positioning mark, adjusting part and distance collar 5, wherein, spring 3 is arranged between top board 1 and lower platen 2, leads to
Overregulate assembly regulation top board 1 and can achieve that with respect to the position of lower platen 2 power being applied to distance collar 5 is different, and then apply
It is adjusted to the pretightning force of bearing, the positioning of setting is designated during pretightning force needed for bearing and is deflection needed for spring 3.When
When needing to carry out pretension to bearing, by changing the distance between top board 1 and lower platen 2, and change the deflection of spring 3,
When spring 3 reaches predeterminated position, now reached need pretightning force it is not necessary to technical staff again during pretension to bullet
Spring 3 measures calculating pretightning force, this improves the accuracy of pretension, and improves pretension efficiency.
Specifically, it is additionally provided with lead 4 between above-mentioned top board 1 and lower platen 2, and above-mentioned spring 3 is sheathed
On lead 4, to prevent spring 3 in deformation process, bend.Additionally, top board 1 can move up and down along lead 4,
To change the distance between top board 1 and lower platen 2.Only disclose herein a kind of top board 1 as moving parts to change on
Pressing plate 1 arrives the mode of lower platen 2 distance, but the application is not limited to that.
Preferably, the number of above-mentioned lead 4 is two, and spring 3 is also two, corresponding one of each spring 3
Lead 4.Can not only prevent spring 3 from bending in the presence of lead 4, also the movement of top board 1 can be guided, if
Put the stability that two leads 4 can ensure top board 1 movement, prevent top board 1 from shifting in moving process, and lead to
The distance of movement is different.
Specifically, lower platen 2 disclosed above is long shaped plate, and two leads 4 are distributed in the two ends of long shaped plate.This pushes
The two ends of plate 3 are offseted with the two ends crossing the center of circle of bearing respectively, to ensure the equilibrium of bearing two ends stress, prevent bearing in pretension
During shift.Preferably, top board 1 is also long shaped plate, and identical with lower platen 2.
In further embodiment, the adjusting part of above-mentioned offer includes support 72 and threaded connector 71, wherein, support
Threaded after 72 are fixedly connected with respect to bearing, and threaded connector 71 passes through top board 1 and with support 72.By screw thread even
When being connected on turn threaded connection 71, position on support 72 for the threaded connector 71 can be changed.When threaded connector 71 is positive
Rotating, when threaded connector 71 moves gradually downward, top board 1 being driven mobile along lead 4 pushing the back down 2, thus compressing
Spring 3 is until reach positioning home position.Rotating backward threaded connector 71 can make threaded connector 71 move up, in drive
Pressing plate 1 moves to the direction away from lower platen 2, release bearing.Specifically, support 72 is door shaped stent, and that is, the riser at two ends leads to
Cross fixing bolt 9 to be fixed on casing, the horizontal plate of riser connecting two ends has the screw thread being adapted to threaded connector 71
Hole.Casing herein is the casing of bearing-mounted parts.
Specifically, lead 4 and lower platen 2 are welded to connect, and lead 4 is connected by caging bolt 8 with top board 1,
Caging bolt 8 one end passes through top board 1, and the other end is connected with lead 4.Provide only a kind of specifically connecting of lead 4 herein
Connect mode, but the application is not limited in above-mentioned connected mode.The specific post 4 that also can be directed to can pass through it with lower platen 2
He is detachably connected connected mode, for example bolt connection.Lead 4 also can be connected by miscellaneous part with top board 1, using limit
Position bolt 8, can be carried out spacing by the nut of caging bolt 8 to the position of top board 1, prevent top board 1 and 4 points of lead
From.
In further embodiment, positioning disclosed above is designated the groove being inscribed on lead 4.With top board
As a example 1 pushing the back down 2 is mobile, the position for groove is compressed to certain altitude for the appointed pressure of spring 3, then in this position
Put offset up top board 1 thickness place carry out delineate groove.This groove represents, when top board 1 is conditioned assembly band
Dynamic, when downward compression spring 3 to graduation mark occurs above top board 1, the normal pressure that this spring 3 is subject to is as required.
Specifically, lower platen 2 is tight with distance collar pressure 5 by spacing ring-shaped pressuring plate 6.If spacing ring-shaped pressuring plate 6 and distance collar 5
Moment of friction is less, or uses hinged bolts, and whole " top board 1- lead 4- lower platen 2 " structure may with screw thread even
Fitting 71 screws in and rotates.For avoiding this problem, can be by reducing the roughness of pad supporting with threaded connector 71, improving and determine
Away from ring-shaped pressuring plate 6 following table surface roughness etc..Also spacing ring-shaped pressuring plate 6 can be lengthened, screw in one piece of bolt gear simultaneously at casing screwed hole
Live spacing ring-shaped pressuring plate 6.Casing herein is the casing of bearing-mounted parts.
Additionally, disclosed herein as well is a kind of bearing assembly, including the pre-tightening apparatus of bearing and 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
There is technique effect, this is no longer going to repeat them.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or new using this practicality
Type.Multiple modifications to these embodiments will be apparent from for those skilled in the art, is determined herein
The General Principle of justice can be realized in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause
This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The wide scope consistent with features of novelty.
Claims (10)
1. a kind of pre-tightening apparatus of bearing are it is characterised in that include：
Top board (1) and lower platen (2) and be arranged on the spring (3) between described top board (1) and described lower platen (2)；
Identify with respect to the positioning of described lower platen (2) position for positioning described top board (1)；
Adjust the adjusting part that described top board (1) is with respect to described lower platen (2) position；
The distance collar (5) offseting with described lower platen (2), described distance collar (5) is used for offseting with bearing.
2. pre-tightening apparatus according to claim 1 are it is characterised in that between described top board (1) and described lower platen (2)
It is provided with lead (4), described spring (3) is set on described lead (4), and described top board (1) can be along described lead
(4) move up and down.
3. pre-tightening apparatus according to claim 2 are it is characterised in that described lead (4) is two, and described lead
(4) correspond with described spring (3).
4. pre-tightening apparatus according to claim 3, it is characterised in that described lower platen (2) is long shaped plate, are led described in two
It is distributed in the two ends of described long shaped plate to post (4).
5. pre-tightening apparatus according to claim 3 are it is characterised in that described adjusting part includes：
The support (72) fixing with respect to described bearing；
The threaded connector (71) threadeded through described top board (1) and with described support (72).
6. pre-tightening apparatus according to claim 5 are it is characterised in that described threaded connector (71) is located at described two institutes
State between lead (4).
7. pre-tightening apparatus according to claim 2 are it is characterised in that described lead (4) is welded with described lower platen (2)
Connect, described lead (4) is connected by caging bolt (8) with described top board (1), described caging bolt (8) one end passes through institute
State top board (1), the other end is connected with described lead (4).
8. pre-tightening apparatus according to claim 2 are inscribed in described lead it is characterised in that described positioning is designated
(4) groove on.
9. the pre-tightening apparatus according to any one of claim 1-8 are it is characterised in that described lower platen (2) passes through distance collar
Pressing plate (6) and described distance collar (5) compression.
10. a kind of bearing assembly, the pre-tightening apparatus including bearing and bearing are it is characterised in that described pre-tightening apparatus are as right
Require the pre-tightening apparatus described in any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621039185.8U CN205978136U (en) | 2016-09-06 | 2016-09-06 | Preloading device of bearing assembly and bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621039185.8U CN205978136U (en) | 2016-09-06 | 2016-09-06 | Preloading device of bearing assembly and bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205978136U true CN205978136U (en) | 2017-02-22 |
Family
ID=58039694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621039185.8U Withdrawn - After Issue CN205978136U (en) | 2016-09-06 | 2016-09-06 | Preloading device of bearing assembly and bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205978136U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224395A (en) * | 2016-09-06 | 2016-12-14 | 沃德传动（天津）股份有限公司 | A kind of bearing assembly and the pre-tightening apparatus of bearing |
-
2016
- 2016-09-06 CN CN201621039185.8U patent/CN205978136U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224395A (en) * | 2016-09-06 | 2016-12-14 | 沃德传动（天津）股份有限公司 | A kind of bearing assembly and the pre-tightening apparatus of bearing |
| CN106224395B (en) * | 2016-09-06 | 2019-03-29 | 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20190329 |