CN106224395B - 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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- CN106224395B CN106224395B CN201610804276.4A CN201610804276A CN106224395B CN 106224395 B CN106224395 B CN 106224395B CN 201610804276 A CN201610804276 A CN 201610804276A CN 106224395 B CN106224395 B CN 106224395B
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- bearing
- top board
- lower platen
- tightening apparatus
- spring
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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 a kind of pre-tightening apparatus of bearing, including top board, lower platen, spring and positioning identifier, adjust component and distance collar, wherein, spring is arranged between top board and lower platen, it can realize that the power for being applied to distance collar is different relative to the position of lower platen by adjusting component adjusting top board, and then be applied to the pretightning force of bearing and be adjusted, as deflection needed for spring when the positioning identifier of setting is pretightning force needed for bearing.When needing to pre-tighten bearing, by changing the distance between top board and lower platen, and change the deflection of spring, when spring reaches predeterminated position, the pretightning force needed is reached at this time, has not needed technical staff and calculating pretightning force is measured to spring during preload again, therefore, the accuracy of preload is improved, and improves preload efficiency.The invention also discloses a kind of bearing assemblies of pre-tightening apparatus with above-mentioned bearing.
Description
Technical field
The present invention relates to bearing pre-tightened technical fields, in particular to the preload of a kind of bearing assembly and bearing fills
It sets.
Background technique
The preload of rolling bearing, refers to after bearing assembles, and makes by some way on bearing inner race or outer ring along it
Axis direction applies a constant power, and keeps this power that Internal and external cycle is made to generate relative movement, on the one hand can eliminate the interior of bearing
On the other hand portion's clearance can also force rolling element and Internal and external cycle to be in close contact, and generate certain deformation in contact position.
Due to the effect of pretightning force, rolling element and inner ring, outer ring contact position just generate flexible 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 being greater than 180 °.More roller ginsengs
With receiving load, bearing capacity can not only be improved, the load that single roller can also be made to bear becomes smaller, and improves service life.Together
When, the support stiffness of bearing can be improved, also compensate for bearing micro abrasion in use.
Currently, being to be packed into bearing block together as matching component using butterfly spring for the preload of bearing, if spring
Pass through precise measurement and certain precommpression before loading, it really can be while guaranteeing a certain range pretightning force, for axis
The thermal expansion held centainly is compensated, and still, for required pretightning force is obtained by measuring the deformation of spring, is easy to lead
Cause pretightning force inaccuracy.
Therefore, how a kind of pre-tightening apparatus of bearing is provided, is that those skilled in the art are current to improve preload accuracy
The technical issues that need to address.
Summary of the invention
In view of this, the present invention provides a kind of pre-tightening apparatus of bearing, to improve preload accuracy.The present invention also provides
A kind of bearing assembly of the pre-tightening apparatus with above-mentioned bearing.
To achieve the above object, the invention provides the following technical scheme:
A kind of pre-tightening apparatus of bearing comprising:
Top board and lower platen and the spring being arranged between the top board and the lower platen；
For positioning the top board relative to the positioning identifier for pushing Board position；
The top board is adjusted relative to the adjusting component for pushing Board position；
The distance collar to offset with the lower platen, the distance collar with bearing for offseting.
Preferably, in above-mentioned pre-tightening apparatus, guide post, the bullet are provided between the top board and the lower platen
Spring is set in the guide post, and the top board can be moved up and down along the guide post.
Preferably, in above-mentioned pre-tightening apparatus, the guide post is two, and the guide post and the spring one are a pair of
It answers.
Preferably, in above-mentioned pre-tightening apparatus, the lower platen is long shaped plate, and two guide posts are distributed in the length
The both ends of shape plate.
Preferably, in above-mentioned pre-tightening apparatus, the adjusting component includes:
The bracket fixed relative to the bearing；
Across the top board and the threaded connector that is threadedly coupled with the bracket.
Preferably, in above-mentioned pre-tightening apparatus, the threaded connector is between described two guide posts.
Preferably, in above-mentioned pre-tightening apparatus, the guide post and the lower platen are welded, the guide post and it is described on
Pressing plate is connected by caging bolt, and described caging bolt one end passes through the top board, and the other end is connect with the guide post.
Preferably, in above-mentioned pre-tightening apparatus, the positioning identifier is the groove being inscribed in the guide post.
Preferably, in above-mentioned pre-tightening apparatus, the lower platen is compressed by spacing ring-shaped pressuring plate and the distance collar.
A kind of bearing assembly, the pre-tightening apparatus including bearing and bearing, wherein the pre-tightening apparatus is such as any of the above-described
The pre-tightening apparatus.
It can be seen via above technical scheme that the invention discloses a kind of pre-tightening apparatus of bearing, including top board, pushing
Plate, spring and positioning identifier adjust component and distance collar, wherein spring is arranged between top board and lower platen, passes through tune
Section component, which adjusts top board, can realize that the power for being applied to distance collar is different relative to the position of lower platen, and then be applied to bearing
Pretightning force is adjusted, as deflection needed for spring when the positioning identifier of setting is pretightning force needed for bearing.When needing to axis
It holds when being pre-tightened, by changing the distance between top board and lower platen, and changes the deflection of spring, when spring reaches pre-
If when position, having reached the pretightning force needed at this time, not needed technical staff and measure meter to spring during preload again
Pretightning force is calculated, this improves the accuracys of preload, and improve preload efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the pre-tightening apparatus of bearing provided in an embodiment of the present invention；
Fig. 2 is the main view of the pre-tightening apparatus of bearing provided in an embodiment of the present invention；
Fig. 3 is the left view of the pre-tightening apparatus of bearing provided in an embodiment of the present invention.
Specific embodiment
Core of the invention is to provide a kind of pre-tightening apparatus of bearing, to improve preload accuracy.Another core of the invention
The heart is to provide a kind of bearing assembly of pre-tightening apparatus with above-mentioned bearing.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1-Figure 3, a kind of pre-tightening apparatus of bearing, including top board 1, lower platen 2, bullet are disclosed in the present invention
Spring 3 and positioning identifier adjust component and distance collar 5, wherein spring 3 is arranged between top board 1 and lower platen 2, passes through tune
Section component, which adjusts top board 1, can realize that the power for being applied to distance collar 5 is different relative to the position of lower platen 2, and then be applied to axis
The pretightning force held is adjusted, as deflection needed for spring 3 when the positioning identifier of setting is pretightning force needed for bearing.Work as needs
When being pre-tightened to bearing, by changing the distance between top board 1 and lower platen 2, and changes the deflection of spring 3, work as bullet
When spring 3 reaches predeterminated position, the pretightning force needed is reached at this time, has not needed technical staff again during preload to spring 3
Calculating pretightning force is measured, this improves the accuracys of preload, and improve preload efficiency.
Specifically, being additionally provided with guide post 4 between above-mentioned top board 1 and lower platen 2, and above-mentioned spring 3 is arranged
In guide post 4, to prevent spring 3 in deformation process, bend.In addition, top board 1 can be moved up and down along guide post 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 2 distance of lower platen, but the application is not limited to that.
Preferably, the number of above-mentioned guide post 4 is two, and spring 3 is also two, and each spring 3 is one corresponding
Guide post 4.Spring 3 can not only be prevented to be bent under the action of guide post 4, the movement of top board 1 can be also oriented to, if
Setting two guide posts 4 can guarantee the mobile stability of top board 1, prevent top board 1 from shifting in moving process, and cause
Mobile distance is different.
Specifically, lower platen 2 disclosed above is long shaped plate, two guide posts 4 are distributed in the both ends of long shaped plate.The pushing
The both ends of plate 3 offset with the both ends for crossing the center of circle of bearing respectively, to guarantee the equilibrium of bearing both ends stress, prevent bearing from pre-tightening
It shifts in the process.Preferably, top board 1 is also long shaped plate, and identical as lower platen 2.
In further embodiment, the adjusting component of above-mentioned offer includes bracket 72 and threaded connector 71, wherein bracket
72 are fixedly connected relative to bearing, and threaded connector 71 is threadedly coupled after top board 1 and with bracket 72.Connected by screw thread
It connects in turn threaded connection 71, position of the threaded connector 71 on bracket 72 can be changed.When threaded connector 71 is positive
Rotation, when threaded connector 71 moves gradually downward, will drive top board 1 and moves along 4 pushing the back down 2 of guide post, to compress
Spring 3 is until reach positioning identifier position.Rotating backward threaded connector 71 can be such that threaded connector 71 moves up, in drive
Pressing plate 1 is mobile to the direction far from lower platen 2, release bearing.Specifically, bracket 72 is door shaped stent, i.e. the vertical plate at both ends is logical
It crosses fixing bolt 9 to be fixed on cabinet, connecting has the screw thread being adapted to threaded connector 71 on the level board of the vertical plate at both ends
Hole.Cabinet herein is the cabinet of bearing-mounted parts.
Specifically, guide post 4 and lower platen 2 are welded to connect, and guide post 4 is connect with top board 1 by caging bolt 8,
8 one end of caging bolt passes through top board 1, and the other end is connect with guide post 4.A kind of specifically connecting for guide post 4 is provided only herein
Mode is connect, but the application is not limited in above-mentioned connection type.Specifically also guide post 4 and lower platen 2 can be passed through it
He is detachably connected connection type, such as is bolted.Guide post 4 can also be connect with top board 1 by other component, using limit
Position bolt 8, can limit the position of top board 1 by the nut of caging bolt 8, prevent top board 1 from dividing with guide post 4
From.
In further embodiment, positioning identifier disclosed above is the groove being inscribed in guide post 4.With top board
For 1 pushing the back down 2 is mobile, the position for groove is that the appointed pressure of spring 3 is compressed to certain altitude, then in this position
It sets and offsets up the place of 1 thickness of top board and carry out delineation groove.The groove indicates, when top board 1 is conditioned component band
It is dynamic, when downward compressed spring 3 to graduation mark occurs above top board 1, needed for the normal pressure which is subject to is.
Specifically, lower platen 2 is tight by spacing ring-shaped pressuring plate 6 and distance collar pressure 5.If spacing ring-shaped pressuring plate 6 and distance collar 5
Moment of friction is smaller, or uses hinged bolts, and entire " top board 1- guide post 4- lower platen 2 " structure may connect with screw thread
Fitting 71 screws in rotation.It, can be by reducing the roughness of gasket matched with threaded connector 71, improving and determine to avoid this problem
Away from 6 following table surface roughness of ring-shaped pressuring plate etc..Also spacing ring-shaped pressuring plate 6 can be lengthened, while screwing in one piece of bolt gear at cabinet threaded hole
Firmly spacing ring-shaped pressuring plate 6.Cabinet herein is the cabinet of bearing-mounted parts.
In addition, disclosed herein as well is a kind of bearing assembly, the pre-tightening apparatus including bearing and bearing, wherein the preload
Device is the pre-tightening apparatus as disclosed in above-described embodiment, and therefore, the bearing assembly with the pre-tightening apparatus also has above-mentioned institute
There is technical effect, this is no longer going to repeat them.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. a kind of pre-tightening apparatus of bearing characterized by comprising
Top board (1) and lower platen (2) and the spring (3) being arranged between the top board (1) and the lower platen (2)；
For positioning positioning identifier of the top board (1) relative to the lower platen (2) position；
Adjust adjusting component of the top board (1) relative to the lower platen (2) position；
The distance collar (5) to offset with the lower platen (2), the distance collar (5) with bearing for offseting；
The adjusting component includes:
The bracket (72) fixed relative to the bearing；
Across the top board (1) and the threaded connector (71) that is threadedly coupled with the bracket (72).
2. pre-tightening apparatus according to claim 1, which is characterized in that between the top board (1) and the lower platen (2)
It is provided with guide post (4), the spring (3) is set on the guide post (4), and the top board (1) can be along the guide post
(4) it moves up and down.
3. pre-tightening apparatus according to claim 2, which is characterized in that the guide post (4) is two, and the guide post
(4) it is corresponded with the spring (3).
4. pre-tightening apparatus according to claim 3, which is characterized in that the lower platen (2) is long shaped plate, is led described in two
Xiang Zhu (4) is distributed in the both ends of the long shaped plate.
5. pre-tightening apparatus according to claim 3, which is characterized in that the threaded connector (71) be located at two described in lead
Between Xiang Zhu (4).
6. pre-tightening apparatus according to claim 2, which is characterized in that the guide post (4) and the lower platen (2) are welded
It connects, the guide post (4) is connect with the top board (1) by caging bolt (8), and described caging bolt (8) one end passes through institute
Top board (1) is stated, the other end is connect with the guide post (4).
7. pre-tightening apparatus according to claim 2, which is characterized in that the positioning identifier is to be inscribed in the guide post
(4) groove on.
8. pre-tightening apparatus according to claim 1-7, which is characterized in that the lower platen (2) passes through distance collar
Pressing plate (6) and the distance collar (5) compress.
9. a kind of bearing assembly, the pre-tightening apparatus including bearing and bearing, which is characterized in that the pre-tightening apparatus is as right is wanted
Seek the described in any item pre-tightening apparatus of 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610804276.4A CN106224395B (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 |
|---|---|---|---|
| CN201610804276.4A CN106224395B (en) | 2016-09-06 | 2016-09-06 | A kind of pre-tightening apparatus of bearing assembly and bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106224395A CN106224395A (en) | 2016-12-14 |
| CN106224395B true CN106224395B (en) | 2019-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610804276.4A Active CN106224395B (en) | 2016-09-06 | 2016-09-06 | A kind of pre-tightening apparatus of bearing assembly and bearing |
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| CN (1) | CN106224395B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111469337A (en) * | 2020-04-21 | 2020-07-31 | 金晓 | Injection molding device with adjustable injection molding pressure based on light sensation control |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2181710B (en) * | 1985-10-16 | 1988-10-26 | Thyssen Man Aufzuege | Side skirting for escalators or moving pavements |
| CN2644055Y (en) * | 2003-08-02 | 2004-09-29 | 无锡机床股份有限公司 | Adjustable prefastening machanism of electric main axle |
| CN103033360A (en) * | 2012-12-20 | 2013-04-10 | 中国船舶重工集团公司第七�三研究所 | Helical gear thrust cone balancing device open type axial loading test device |
| CN103206462A (en) * | 2013-04-12 | 2013-07-17 | 株洲高精传动技术有限公司 | Bearing pre-tightening device |
| CN105571857A (en) * | 2015-12-10 | 2016-05-11 | 中国航空动力机械研究所 | Axial loading device of rotating member |
| CN205978136U (en) * | 2016-09-06 | 2017-02-22 | 沃德传动（天津）股份有限公司 | Preloading device of bearing assembly and bearing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5167048A (en) * | 1991-05-10 | 1992-12-01 | Medical Composite Technology | Caster wheel retention device |
-
2016
- 2016-09-06 CN CN201610804276.4A patent/CN106224395B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2181710B (en) * | 1985-10-16 | 1988-10-26 | Thyssen Man Aufzuege | Side skirting for escalators or moving pavements |
| CN2644055Y (en) * | 2003-08-02 | 2004-09-29 | 无锡机床股份有限公司 | Adjustable prefastening machanism of electric main axle |
| CN103033360A (en) * | 2012-12-20 | 2013-04-10 | 中国船舶重工集团公司第七�三研究所 | Helical gear thrust cone balancing device open type axial loading test device |
| CN103206462A (en) * | 2013-04-12 | 2013-07-17 | 株洲高精传动技术有限公司 | Bearing pre-tightening device |
| CN105571857A (en) * | 2015-12-10 | 2016-05-11 | 中国航空动力机械研究所 | Axial loading device of rotating member |
| CN205978136U (en) * | 2016-09-06 | 2017-02-22 | 沃德传动（天津）股份有限公司 | Preloading device of bearing assembly and bearing |
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| Publication number | Publication date |
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| CN106224395A (en) | 2016-12-14 |
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Denomination of invention: Bearing assembly and bearing pre tightening device Effective date of registration: 20220610 Granted publication date: 20190329 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: 20190329 Pledgee: Bank of China Limited Tianjin Hexi sub branch Pledgor: WARD TRANSMISSION TECHNOLOGY (TIANJIN) Co.,Ltd. Registration number: Y2022120000027 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: A bearing component and pre tightening device for bearings Effective date of registration: 20230828 Granted publication date: 20190329 Pledgee: Bank of China Limited Tianjin Hexi sub branch Pledgor: WARD TRANSMISSION TECHNOLOGY (TIANJIN) Co.,Ltd. Registration number: Y2023120000074 |