CN107725584A - A kind of fit structure device of high rotating speed bearing and its ball - Google Patents
A kind of fit structure device of high rotating speed bearing and its ball Download PDFInfo
- Publication number
- CN107725584A CN107725584A CN201710890379.1A CN201710890379A CN107725584A CN 107725584 A CN107725584 A CN 107725584A CN 201710890379 A CN201710890379 A CN 201710890379A CN 107725584 A CN107725584 A CN 107725584A
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- CN
- China
- Prior art keywords
- ball
- bearing
- contact layer
- hollow ball
- solid
- Prior art date
- 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
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/50—Other types of ball or roller bearings
-
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/32—Balls
-
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/62—Selection of substances
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a kind of high rotating speed bearing and its fit structure device of ball, it is related to bearing machining manufacturing technology field.In the present invention：Solid ball and hollow ball are interspersed between bearing inner race and bearing outer ring at equal intervals；Hollow ball ball outside dimension is more than the sphere diameter size of solid ball；The first contact layer is set in the aspect that bearing inner race is in contact with solid ball, hollow ball；The second contact layer is set in the aspect that bearing outer ring is in contact with solid ball, hollow ball.The present invention between bearing inner race and bearing outer ring by staggeredly installing solid ball and hollow ball, in the case where ensureing ball support force, realize that bearing internal external circle is uniformly distributed by contact force, reduce the heel and toe wear of bearing, ensure that the stable running of bearing.
Description
Technical field
The invention belongs to bearing machining manufacturing technology field, more particularly to the cooperation of a kind of high rotating speed bearing and its ball
Constructional device.
Background technology
Use of the bearing in plant equipment is extremely common.On some equipment, it is necessary to use the higher bearing portion of rotating speed
Part.In rolling bearing high-speed motion, centrifugal force all has a significant impact to its life-span and intensity, and the excessive wear of bearing not only can
Cause the life-span of bearing itself to substantially reduce, can also directly influence the use of the equipment using bearing, cause the safety of equipment
Performance and performance substantially reduce.How so that loss of the bearing in high-speed motion reduces, turning into needs to solve the problems, such as.
The content of the invention
It is an object of the invention to provide a kind of high rotating speed bearing and its fit structure device of ball, by bearing
Solid ball and hollow ball staggeredly are installed between circle and bearing outer ring, in the case where ensureing ball support force, realizes bearing
Internal and external cycle is uniformly distributed by contact force, reduces the heel and toe wear of bearing, ensure that the stable running of bearing.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention is the fit structure device of a kind of high rotating speed bearing and its ball, including bearing inner race, bearing outer ring, reality
Heart ball and hollow ball；The solid ball and hollow ball be interspersed at equal intervals bearing inner race and bearing outer ring it
Between；The hollow ball ball outside dimension is more than the sphere diameter size of solid ball；The bearing inner race and solid ball, hollow rolling
First contact layer is set in the aspect that pearl is in contact；In the aspect that the bearing outer ring is in contact with solid ball, hollow ball
Second contact layer is set.
Further, the structure of the hollow ball ecto-entad is respectively：Elastic layer, fixed bed and inner chamber；The sky
The first contact layer with bearing inner race, the second contact layer of bearing outer ring are in rolling contact the elastic layer of heart ball respectively.
Further, the physical dimension of the second contact layer of the first contact layer of the bearing inner race and bearing outer ring and
Material is identical；First contact layer is made after being ground by Hardmetal materials plate.
Further, the elastic layer of the hollow ball is that macromolecule polymer material is mixed with alloying metal；Institute
The coefficient of friction stated between the elastic layer of hollow ball and the first contact layer is less than rubbing between solid ball and the first contact layer
Wipe coefficient.
Further, the fixed bed of the hollow ball is made up of Steel material；The cavity volume duty of the hollow ball
The 1/2-2/3 of heart ball volume；The weight of the hollow ball is the 1/3-1/2 of the weight of solid ball.
The invention has the advantages that：
1st, the present invention is being ensured by staggeredly installing solid ball and hollow ball between bearing inner race and bearing outer ring
In the case of ball support force, realize that bearing internal external circle is uniformly distributed by contact force, reduce the heel and toe wear of bearing,
It ensure that the stable running of bearing；
2nd, the present invention is high with the insulating properties of hollow ball by setting contact layer on bearing inner race and bearing outer ring
Elastic layer contact operating, greatly reduces the heat production in bearing operation, reduces the running fault rate of bearing.
Certainly, any product for implementing the present invention it is not absolutely required to reach all the above advantage simultaneously.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, used required for being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is the fit structure apparatus structure schematic diagram of high the rotating speed bearing and its ball of the present invention；
Fig. 2 is the structural representation of part section at A-A in Fig. 1；
In accompanying drawing, the list of parts representated by each label is as follows：
1- bearing inner races；2- bearing outer rings；The solid balls of 3-；The hollow balls of 4-；The contact layers of 5- first；6- second is contacted
Layer；7- elastic layers；8- fixed beds；9- inner chambers.
Embodiment
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
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " perforate ", " on ", " under ", " thickness ", " top ", " in ",
Indicating position or the position relationship such as " length ", " interior ", " surrounding ", it is for only for ease of the description present invention and simplifies description, without
It is that the component of instruction or hint meaning or element must have specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.
Refer to shown in accompanying drawing 1-2, the present invention is a kind of high rotating speed bearing and its fit structure device of ball.
Specific embodiment one：
The present invention includes bearing inner race 1, bearing outer ring 2, solid ball 3 and hollow ball 4；Solid ball 3 and hollow rolling
Pearl 4 is interspersed between bearing inner race 1 and bearing outer ring 2 at equal intervals；The hollow ball outside dimension of ball 4 is more than solid ball 3
Sphere diameter size；First contact layer 5 is set in the aspect that bearing inner race 1 is in contact with solid ball 3, hollow ball 4；Outside bearing
Second contact layer 6 is set in the aspect that circle 2 is in contact with solid ball 3, hollow ball 4.
The structure of the hollow ecto-entad of ball 4 is respectively：Elastic layer 7, fixed bed 8 and inner chamber 9；The elasticity of hollow ball 4
The first contact layer 5 with bearing inner race 1, the second contact layer 6 of bearing outer ring 2 are in rolling contact layer respectively.
First contact layer 5 of bearing inner race 1 is identical with the physical dimension and material of the second contact layer 6 of bearing outer ring 2；
First contact layer 5 is made after being ground by Hardmetal materials plate.
The elastic layer 7 of hollow ball 4 is that macromolecule polymer material is mixed with alloying metal；The bullet of hollow ball 4
Property the contact layer 5 of layer 7 and first between coefficient of friction be less than the solid contact layer 5 of ball 3 and first between coefficient of friction.
The fixed bed 8 of hollow ball 4 is made up of Steel material；The volume of 9 volume duty heart ball of inner chamber 4 of hollow ball 4
1/2-2/3；The weight of hollow ball 4 is the 1/3-1/2 of the weight of solid ball 3.
Specific embodiment two：
Under the same terms and quantity, test comparison is carried out to some traditional ball bearings and the ball bearing of the present invention
Experiment.
Form one：Traditional ball bearing is tested.
Form two：The ball bearing of the present invention is tested.
| Load-bearing pressure/NCM2 | Bearing mean speed r/min | 10000000 turns of spoilages |
| 1500 | 4937 | 1.25% |
| 2600 | 4671 | 1.33% |
| 3300 | 4225 | 1.47% |
Carrying out analysis to above table data can draw, each phase performance of ball bearing of the invention is all significantly better than biography
The ball bearing of system.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
At least one implementation of the present invention is contained in reference to specific features, structure, material or the feature that the embodiment or example describe
In example or example.In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.
Moreover, specific features, structure, material or the feature of description can close in any one or more embodiments or example
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All details are described, it is only described embodiment also not limit the invention.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (5)
- A kind of 1. fit structure device of high rotating speed bearing and its ball, it is characterised in that：Including bearing inner race (1), bearing outer ring (2), solid ball (3) and hollow ball (4)；The solid ball (3) and hollow ball (4) are interspersed between bearing inner race (1) and bearing outer ring (2) at equal intervals；Hollow ball (4) the ball outside dimension is more than the sphere diameter size of solid ball (3)；The first contact layer (5) is set in the aspect that the bearing inner race (1) is in contact with solid ball (3), hollow ball (4)；The second contact layer (6) is set in the aspect that the bearing outer ring (2) is in contact with solid ball (3), hollow ball (4).
- 2. the fit structure device of a kind of high rotating speed bearing according to claim 1 and its ball, it is characterised in that：The structure of hollow ball (4) ecto-entad is respectively：Elastic layer (7), fixed bed (8) and inner chamber (9)；The elastic layer of the hollow ball (4) the first contact layer (5) with bearing inner race (1), the second of bearing outer ring (2) respectively Contact layer (6) is in rolling contact.
- 3. the fit structure device of a kind of high rotating speed bearing according to claim 1 or 2 and its ball, it is characterised in that：The physical dimension of the first contact layer (5) of the bearing inner race (1) and the second contact layer (6) of bearing outer ring (2) and Material is identical；First contact layer (5) is made after being ground by Hardmetal materials plate.
- 4. the fit structure device of a kind of high rotating speed bearing according to claim 1 or 2 and its ball, it is characterised in that：The elastic layer (7) of the hollow ball (4) is that macromolecule polymer material is mixed with alloying metal；Coefficient of friction between the elastic layer (7) and the first contact layer (5) of the hollow ball (4) less than solid ball (3) with Coefficient of friction between first contact layer (5).
- 5. the fit structure device of a kind of high rotating speed bearing according to claim 1 or 2 and its ball, it is characterised in that：The fixed bed (8) of the hollow ball (4) is made up of Steel material；The 1/2-2/3 of inner chamber (9) volume duty heart ball (4) volume of the hollow ball (4)；The weight of the hollow ball (4) is the 1/3-1/2 of the weight of solid ball (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710890379.1A CN107725584A (en) | 2017-09-27 | 2017-09-27 | A kind of fit structure device of high rotating speed bearing and its ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710890379.1A CN107725584A (en) | 2017-09-27 | 2017-09-27 | A kind of fit structure device of high rotating speed bearing and its ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107725584A true CN107725584A (en) | 2018-02-23 |
Family
ID=61207442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710890379.1A Pending CN107725584A (en) | 2017-09-27 | 2017-09-27 | A kind of fit structure device of high rotating speed bearing and its ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107725584A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253167A (en) * | 2018-12-04 | 2019-01-22 | 南昌工程学院 | A kind of porous metal matrix composite bearing based on elastohydrodynamic lubrication |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2051694U (en) * | 1989-03-20 | 1990-01-24 | 北京轴承研究所 | Hollow roller bearing whose rollers are integrated with the outer race |
| DE4111994A1 (en) * | 1991-04-12 | 1992-10-15 | Herter Tamara | Ball- or roller-bearing - has intermediate rollers between adjacent balls or rollers of nylon, plastic or hard rubber |
| RU2115038C1 (en) * | 1995-05-18 | 1998-07-10 | Акционерное общество "Судопластсервис" | Antifriction roller bearing |
| RU2320907C1 (en) * | 2006-05-29 | 2008-03-27 | Общество с ограниченной ответственностью "Судопластсервис" | Non-metallic antifriction roller bearing |
| DE102008050231A1 (en) * | 2008-10-02 | 2010-04-08 | Schaeffler Kg | Rolling body i.e. ball, for roller bearing, has cavity and two openings that lie opposite to each other, where body is in form of ball whose surface is flattened in region of openings |
| CN105156465A (en) * | 2015-08-31 | 2015-12-16 | 江苏大学 | Rolling bearing compounded with bearing inner ring and outer ring with different elastic moduli |
-
2017
- 2017-09-27 CN CN201710890379.1A patent/CN107725584A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2051694U (en) * | 1989-03-20 | 1990-01-24 | 北京轴承研究所 | Hollow roller bearing whose rollers are integrated with the outer race |
| DE4111994A1 (en) * | 1991-04-12 | 1992-10-15 | Herter Tamara | Ball- or roller-bearing - has intermediate rollers between adjacent balls or rollers of nylon, plastic or hard rubber |
| RU2115038C1 (en) * | 1995-05-18 | 1998-07-10 | Акционерное общество "Судопластсервис" | Antifriction roller bearing |
| RU2320907C1 (en) * | 2006-05-29 | 2008-03-27 | Общество с ограниченной ответственностью "Судопластсервис" | Non-metallic antifriction roller bearing |
| DE102008050231A1 (en) * | 2008-10-02 | 2010-04-08 | Schaeffler Kg | Rolling body i.e. ball, for roller bearing, has cavity and two openings that lie opposite to each other, where body is in form of ball whose surface is flattened in region of openings |
| CN105156465A (en) * | 2015-08-31 | 2015-12-16 | 江苏大学 | Rolling bearing compounded with bearing inner ring and outer ring with different elastic moduli |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253167A (en) * | 2018-12-04 | 2019-01-22 | 南昌工程学院 | A kind of porous metal matrix composite bearing based on elastohydrodynamic lubrication |
| CN109253167B (en) * | 2018-12-04 | 2020-06-16 | 南昌工程学院 | Porous metal matrix composite bearing based on elastohydrodynamic lubrication |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180223 |