CN106224387A - A kind of angular contact ball bearing - Google Patents
A kind of angular contact ball bearing Download PDFInfo
- Publication number
- CN106224387A CN106224387A CN201610774943.9A CN201610774943A CN106224387A CN 106224387 A CN106224387 A CN 106224387A CN 201610774943 A CN201610774943 A CN 201610774943A CN 106224387 A CN106224387 A CN 106224387A
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- CN
- China
- Prior art keywords
- filler point
- oil filler
- inner ring
- outer ring
- angular contact
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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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention provides a kind of angular contact ball bearing, to reduce noise when angular contact ball bearing runs.Described angular contact ball bearing includes inner ring and outer ring and is arranged on the oil filler point on inner ring or outer ring, the import of described oil filler point is positioned on the end face of inner ring or outer ring, the outlet of described oil filler point is positioned on concave surface corresponding with rolling element on inner ring or outer ring, on the inner ring at oil filler point place or the direction of rotation of outer ring, oil filler point outlet lags behind import.In the direction of rotation of inner ring or outer ring, the outlet of oil filler point lags behind import, when inner ring or outer ring rotate, lubricating oil in oil filler point can be got rid of at bearing ball by the knockout press backward produced, realize lubricating oil automatically into realizing lubrication at bearing ball, compared with the mode of existing high velocity jet oiling, the speed of lubricating oil reduces, and will not produce bigger noise after airflow collision during bearing rotary.
Description
Technical field
The present invention relates to a kind of angular contact ball bearing.
Background technology
At a high speed, the demand for development bearing of precise numerical control machine has higher speed characteristics and relatively low noise, conventional junction
The angular contact ball bearing of structure, bearing, when running up, needs to be lubricated, it is possible to reduce rolling element and the friction of Internal and external cycle
Power, the flowing of lubricant medium simultaneously can be taken away rolling element and rotate produced heat.And oil filler point is often opened in bearing
On inner ring or outer ring.As Fig. 1 shows existing oil injection structure, wherein 1 is inner ring, and 2 is rolling element, and 3 is outer ring, and 7 for keeping
Frame, offers oil filler point 6 in the circumference of outer ring 3, and the import of oil filler point 6 is positioned on the outer peripheral face of outer ring, and outlet is positioned on outer ring
The concave surface corresponding with rolling element, during work, lubricating oil is directly to be sprayed by atomizer 5 from high pressure equipment 4 with hyperbar
To Bearing inner.
The utility model patent that Authorization Notice No. is CN201391551Y that on January 27th, 2010 authorizes discloses a kind of use
In the lubrication system of ultrahigh speed angular contact bearing group, this lubrication system includes ultrahigh speed bearing group, arrange between bearing outer every
Set, outer separator offers oiling half counterbore, the bottom of oiling half counterbore is provided with injector orifice, the exit of injector orifice
It is positioned at the bearing inner race pathogen of the ultrahigh speed bearing of outer separator avris, during use, by the method for high-pressure injection, lubricating oil is sprayed
To bearing, bearing is lowered the temperature.In above-mentioned lubrication system, lubricating oil is to be directly injected to by atomizer with hyperbar
Bearing inner, this lubricating method has many weak points: the air-flow phase that (1) highly pressurised liquid stream is formed with bearing high speed rotating
Hitting, produce the biggest howling, this howling is a part main in high-speed bearing noise, worst, listens people
Power also has the biggest harm；(2) the high-voltage high-speed liquid stream that extreme pressure lubricant is formed by atomizer is directly injected to high speed rotating
Steel ball, on retainer, steel ball and retainer can be made to produce vibration, affect machine finish；(3) highly pressurised liquid stream and bearing
Air-flow or the steel ball of high speed rotating that high speed rotating is formed bump against, and cause strong contaminated with oil mist, the biggest to working environment harm；
(4) lubrication of high-speed bearing, need not substantial amounts of lubricating oil in fact, if lubricants capacity is excessive, not only causes a large amount of waste, and
And likely lubricating oil whirling motion and heat radiation are bad, cause bearing heating.
Summary of the invention
It is an object of the invention to provide a kind of angular contact ball bearing, to reduce noise when angular contact ball bearing runs.
For achieving the above object, the technical scheme of angular contact ball bearing of the present invention is: a kind of angular contact ball bearing, including interior
Circle and outer ring and be arranged on the oil filler point on inner ring or outer ring, the import of described oil filler point is positioned on the end face of inner ring or outer ring,
The outlet of described oil filler point is positioned on concave surface corresponding with rolling element on inner ring or outer ring, in inner ring or the outer ring at oil filler point place
Direction of rotation on, oil filler point outlet lag behind import.
Annular groove, described annular groove is had around circumferentially distributed on the described inner ring at oil filler point place or the end face of outer ring
Notch be positioned on end face, the bottom land of described annular groove is located in described oil filler point import.
Described annular groove is trapezoidal groove, and the area of section of described notch is more than the area of section of bottom land.
Removable oil storage yard it is provided with in described annular groove.
Described annular groove has the closing-in structure reduced from inside to outside.
Described concave surface is provided with the working area for coordinating with rolling element, and the outlet of described oil filler point is positioned at the inoperative of concave surface
District.
Described oil filler point is multiple and is distributed on the circumference of angular contact ball bearing.
The invention has the beneficial effects as follows: in the direction of rotation of inner ring or outer ring, the outlet of oil filler point lags behind import, when
When inner ring or outer ring rotate, the lubricating oil in oil filler point can be got rid of at bearing ball by the knockout press backward of generation, it is achieved lubrication
Oil is automatically into realizing lubrication at bearing ball, compared with the mode of existing high velocity jet oiling, the speed of lubricating oil reduces,
With will not produce bigger noise after airflow collision during bearing rotary.
Annular groove is offered on end face, convenient when to bearing oiling, it is only necessary to lubricating oil to be added on annular recessed
In groove.
In annular groove press-in can the oil storage yard of adsorpting lubrication oil, during use, produce during bearing rotary backward
Lubricating oil in oil storage yard can be got rid of to spin by knockout press equally, and the oiling mode that oil storage yard coordinates oil filler point defines
Blood capillary tubulose micro lubricating, it is to avoid the waste of lubricating oil.
Oil storage yard can be limited in annular groove by closing-in structure, prevents oil storage yard from being got rid of when bearing rotary de-.
The outlet of oil filler point is positioned at nonclient area, it is possible to make the inner ring of bearing and/or outer ring keep normal duty.
The uniform uniform quality being capable of bearing of oil filler point, it is ensured that the dynamic balancing of bearing.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of existing angular contact ball bearing oil injection structure；
Fig. 2 is the schematic diagram of angular contact ball bearing embodiment 1 of the present invention；
Fig. 3 is inner ring and the enlarged drawing of spin contact position in Fig. 1；
Fig. 4 is the use schematic diagram of angular contact ball bearing embodiment 1 of the present invention；
Fig. 5 is the top view in Fig. 1 at oil filler point and annular groove；
Fig. 6 is the schematic diagram of angular contact ball bearing embodiment 2 of the present invention；
Fig. 7 is the enlarged drawing in Fig. 6 at oil filler point and annular groove；
Fig. 8 is the top view in Fig. 6 at oil filler point and annular groove.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the present invention are described further.
The specific embodiment 1 of the angular contact ball bearing of the present invention, as shown in Figures 2 to 5, wherein, 8 is inner ring, and 9 is annular
Groove, 10 is oil filler point, and 11 is retainer, and 12 is Ceramic Balls, and 13 is outer ring, and 14 is atomizer.
The present embodiment uses the high-speed type bearing being conducive to heat radiation, bearing inner race 8 and outer ring 13 all band concave surface, concave surface and rolling
Kinetoplast is corresponding, and concave surface includes that rolling element is adopted for coordinating the working area with supporting guide rolling element and nonclient area with rolling element
By the excellent Ceramic Balls 12 of high speed performance.Having annular groove 9 along around circumferentially distributed on the end face of inner ring 8, annular groove 9 bottom land is even
Be connected with several along the bearing uniform oil filler point 10 of circumference, annular groove 9 is right-angled trapezium groove, and the area of section of notch is more than
The area of section of bottom land, the import of oil filler point 10 is opened in the right angle of bottom land.The outlet of oil filler point 10 is positioned at inner ring concave surface
Nonclient area, prevents from affecting the rotation of Ceramic Balls 12 owing to offering oil filler point 10.Oil filler point 10 is obliquely installed, in the rotation of inner ring
On direction, the outlet of oil filler point falls behind the import with oil filler point, presents the trend of place's " after oblique ", and inner ring can be by recessed when rotating
Lubricating oil in groove or oil filler point gets rid of to inner ring concave surface, it is achieved automatically to the purpose of inner ring concave surface oiling.
During work, with normal pressure, lubricating oil is sprayed onto in annular groove by nozzle 14, the lubricating oil in annular groove due to
Inner ring rotates the knockout press backward produced, and is sucked in the concave surface of bearing inner race, it is achieved the most directly lubrication.The profit of the present embodiment
Sliding mode can use, in conjunction with big ball, high-speed and over-loading bearing, the oil filler point that aperture is bigger, and lubrication fully, and can take away part heat
Amount.But when oil filler point aperture is bigger, may result in lubricants capacity excessive, cause waste.
In other embodiments, the quantity of oil filler point can be changed as required, but preferably quantity be two with
On, and it is distributed on the circumference of bearing.
In other embodiments, rolling element can not be Ceramic Balls, can be other material.
The specific embodiment 2 of ball bearing retainer of the present invention, as shown in Figure 6 to 8, wherein, 8 is inner ring, and 10 is oiling
Hole, 11 is retainer, and 12 is Ceramic Balls, and 13 is outer ring, and 15 is " O " shape oil storage sponge, and 16 is annular groove.
Being with the difference of embodiment 1, annular groove 16 is the structure that the little inside of opening is big, i.e. defines closing in knot
Structure, is provided with " O " shape oil storage sponge 15 in annular groove 16, can in a large number adsorpting lubrication oil.Also with inner ring high speed rotating
The knockout press backward produced, oil inspiration bearing concave surface, it is achieved micro lubricating." O " shape oil storage sponge 15 can periodically be carried out more
Change.The oiling mode of the present embodiment can use multiple less oilhole with structure bead, ultrahigh speed micro-load series bearing,
Blood capillary tubulose micro lubricating is defined with " O " shape oil storage sponge.Micro lubricating not only improves the high speed performance improving bearing, also
Substantially reduce the waste of lubricating oil.
In the present embodiment, " O " shape oil storage sponge constitutes oil storage yard, and in other embodiments, oil storage yard can be other
Can adsorpting lubrication oil structure, such as structures such as Cotton Gossypiis.
In the present embodiment, the little inside of opening of annular groove is big, i.e. constitutes closing-in structure at the notch of annular groove,
In other embodiments of the present invention, can the structures such as flexure strip be set at notch oil storage yard is carried out spacing.
Claims (7)
1. an angular contact ball bearing, including inner ring and outer ring and be arranged on the oil filler point on inner ring or outer ring, it is characterised in that:
The import of described oil filler point is positioned on the end face of inner ring or outer ring, and the outlet of described oil filler point is positioned on inner ring or outer ring and rolling
On the concave surface that body is corresponding, on the inner ring at oil filler point place or the direction of rotation of outer ring, oil filler point outlet lags behind import.
Angular contact ball bearing the most according to claim 1, it is characterised in that: the inner ring at described oil filler point place or outer ring
End face on have annular groove around circumferentially distributed, the notch of described annular groove is positioned on end face, and described oil filler point import is located at
The bottom land of described annular groove.
Angular contact ball bearing the most according to claim 2, it is characterised in that: described annular groove is trapezoidal groove, described
The area of section of notch is more than the area of section of bottom land.
Angular contact ball bearing the most according to claim 2, it is characterised in that: it is provided with removable storage in described annular groove
Oil thing.
Angular contact ball bearing the most according to claim 4, it is characterised in that: described annular groove has and reduces from inside to outside
Closing-in structure.
Angular contact ball bearing the most according to claim 1, it is characterised in that: described concave surface is provided with for coordinating with rolling element
Working area, the outlet of described oil filler point is positioned at the nonclient area of concave surface.
7. according to the angular contact ball bearing described in any one of claim 1-6, it is characterised in that: described oil filler point is multiple and equal
Cloth is in the circumference of angular contact ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610774943.9A CN106224387B (en) | 2016-08-31 | 2016-08-31 | A kind of angular contact ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610774943.9A CN106224387B (en) | 2016-08-31 | 2016-08-31 | A kind of angular contact ball bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106224387A true CN106224387A (en) | 2016-12-14 |
| CN106224387B CN106224387B (en) | 2019-09-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610774943.9A Active CN106224387B (en) | 2016-08-31 | 2016-08-31 | A kind of angular contact ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106224387B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150546A (en) * | 2017-12-26 | 2018-06-12 | 中国航发哈尔滨轴承有限公司 | A kind of cylinder roller bearing of novel lubricating structure |
| CN108980202A (en) * | 2017-06-01 | 2018-12-11 | 中国航发湖南动力机械研究所 | A kind of roller bearing |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61218829A (en) * | 1985-03-25 | 1986-09-29 | Hitachi Ltd | Rolling bearing |
| JPH0320726U (en) * | 1989-07-11 | 1991-02-28 | ||
| JP2002372057A (en) * | 2001-06-14 | 2002-12-26 | Nsk Ltd | Lubricating structure for rolling bearing |
| JP2007154937A (en) * | 2005-12-01 | 2007-06-21 | Ntn Corp | Tapered roller bearing |
| JP2007303528A (en) * | 2006-05-10 | 2007-11-22 | Jtekt Corp | Rolling bearing |
| JP2011144901A (en) * | 2010-01-15 | 2011-07-28 | Jtekt Corp | Rolling bearing device |
| EP2562437A2 (en) * | 2011-08-25 | 2013-02-27 | United Technologies Corporation | Angular contact ball bearing |
| WO2013188086A1 (en) * | 2012-06-15 | 2013-12-19 | General Electric Company | Bearing assembly for use with a turbine engine |
| CN203770387U (en) * | 2014-04-12 | 2014-08-13 | 浙江大裕轴承有限公司 | Centrifugal type self-lubricating bearing |
| CN203835958U (en) * | 2014-04-12 | 2014-09-17 | 浙江大裕轴承有限公司 | Lubrication bearing |
| CN105134787A (en) * | 2015-08-18 | 2015-12-09 | 洛阳轴研科技股份有限公司 | Bearing ring and bearing |
-
2016
- 2016-08-31 CN CN201610774943.9A patent/CN106224387B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61218829A (en) * | 1985-03-25 | 1986-09-29 | Hitachi Ltd | Rolling bearing |
| JPH0320726U (en) * | 1989-07-11 | 1991-02-28 | ||
| JP2002372057A (en) * | 2001-06-14 | 2002-12-26 | Nsk Ltd | Lubricating structure for rolling bearing |
| JP2007154937A (en) * | 2005-12-01 | 2007-06-21 | Ntn Corp | Tapered roller bearing |
| JP2007303528A (en) * | 2006-05-10 | 2007-11-22 | Jtekt Corp | Rolling bearing |
| JP2011144901A (en) * | 2010-01-15 | 2011-07-28 | Jtekt Corp | Rolling bearing device |
| EP2562437A2 (en) * | 2011-08-25 | 2013-02-27 | United Technologies Corporation | Angular contact ball bearing |
| WO2013188086A1 (en) * | 2012-06-15 | 2013-12-19 | General Electric Company | Bearing assembly for use with a turbine engine |
| CN203770387U (en) * | 2014-04-12 | 2014-08-13 | 浙江大裕轴承有限公司 | Centrifugal type self-lubricating bearing |
| CN203835958U (en) * | 2014-04-12 | 2014-09-17 | 浙江大裕轴承有限公司 | Lubrication bearing |
| CN105134787A (en) * | 2015-08-18 | 2015-12-09 | 洛阳轴研科技股份有限公司 | Bearing ring and bearing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980202A (en) * | 2017-06-01 | 2018-12-11 | 中国航发湖南动力机械研究所 | A kind of roller bearing |
| CN108150546A (en) * | 2017-12-26 | 2018-06-12 | 中国航发哈尔滨轴承有限公司 | A kind of cylinder roller bearing of novel lubricating structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106224387B (en) | 2019-09-06 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180518 Address after: 471000 No. 1 axis research road, Jianxi science and Technology Industrial Park, Luoyang, Henan Applicant after: Luoyang Bearing Research Institute Address before: 471039 Fenghua Road 6, hi tech Development Zone, Luoyang, Henan. Applicant before: Zhouyan Science and Technology Co., Ltd., Luoyang |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |