CN109681534A - Oil-lubricated bearing - Google Patents
Oil-lubricated bearing Download PDFInfo
- Publication number
- CN109681534A CN109681534A CN201811649527.1A CN201811649527A CN109681534A CN 109681534 A CN109681534 A CN 109681534A CN 201811649527 A CN201811649527 A CN 201811649527A CN 109681534 A CN109681534 A CN 109681534A
- Authority
- CN
- China
- Prior art keywords
- oil
- ring
- inner ring
- annular
- bearing
- 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.)
- Granted
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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
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
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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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or 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
- F16C33/583—Details of specific parts of races
-
- 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
- F16C33/6681—Details of distribution or circulation inside the bearing, e.g. grooves on the cage or passages in the rolling elements
-
- 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
- F16C33/6685—Details of collecting or draining, e.g. returning the liquid to a sump
-
- 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
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7886—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted outside the gap between the inner and outer races, e.g. sealing rings mounted to an end face or outer surface of a race
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention relates to a kind of oil-lubricated bearings.Oil-lubricated bearing of the invention includes inner ring, outer ring, roller groove is equipped in inner ring and outer ring, roller is equipped in roller groove, inner ring or outer ring are equipped with fuel feed hole, the bottom of outer ring is equipped with outage, sealing is equipped with oil return sealing ring on outer ring, the annular oil-recovery tank for collecting the lubricating oil thrown away in roller groove is equipped on oil return sealing ring towards the side of roller, inner ring is equipped in the annular guide surface between roller groove and oil return sealing ring, and radius of the annular guide surface close to the part of oil return sealing ring is not less than the radius of the notch of annular oil-recovery tank.Oil-lubricated bearing of the invention, the high speed performance of bearing can be guaranteed bearing lubrication by inputting lubricating oil by fuel feed hole, the lubricating oil being thrown out of in roller groove is rapidly entered under the guidance of annular guide surface in the annular oil-recovery tank of oil return sealing ring, the radiating efficiency of bearing is improved, guarantees that lubricating oil does not leak.
Description
Technical field
The present invention relates to oil-lubricated bearings.
Background technique
Four-point contact ball has the performance for bearing bi-directional axial thrust and radial thrust, simultaneously because its way of contact
For point contact, therefore there is the characteristic of high speed and flexible rotation, is widely used in robot, aerospace field.But current four
Point contact ball bearing mostly uses grease lubrication or bath lubrication, and rolling element is mostly steel ball, therefore high speed performance is poor.
Application publication number is that the Chinese invention patent application of CN103790933A discloses a kind of double semi outer rings end face oil groove
Four-point contact ball, the roller of the double semi outer rings end face oil groove four-point contact ball are kept the arc that frame is limited to inner ring
In track, bearing outer ring is split type structure, including left outside circle, right outer ring, and the outer diameter to interface of two outer rings was around bearing one week
It is respectively formed right-angled trapezium slot, two right-angled trapezium slots form isosceles trapezoid groove body, and isosceles trapezoid groove body after docking to interface
In the oilhole led in bearing is offered to interface.The double semi outer rings end face oil groove four-point contact ball is working
When, lubricating oil is easy to throw away out of bearing, thus there are problems that poor sealing effect, pollution environment.
Authorization Notice No. is that the Chinese utility model patent of CN206072132U discloses a kind of vibrating motor double-layer seal
Deep groove ball bearing, including bearing outer ring, bearing inner race, retainer, roller and be set between bearing outer ring and bearing inner race
The first sealing ring and the second sealing ring.The vibrating motor double-layer seal deep groove ball bearing for the high speed performance that guarantees bearing,
The form of the cooperation such as the non-tights that are gap-matched or are engaged between sealing ring and the bearing inner race of rotation, therefore, lubrication
The problem of oil still can be flowed out by the gap between sealing ring and bearing inner race, pollute environment.
Summary of the invention
The object of the present invention is to provide a kind of oil-lubricated bearings, are easy stream to solve the lubricating oil in prior art middle (center) bearing
The problem of environment is polluted caused by out.
To achieve the above object, oil-lubricated bearing of the invention adopts the following technical scheme that
Oil-lubricated bearing, including inner ring, outer ring are equipped with roller groove in inner ring and outer ring, are equipped with rolling in roller groove
Son, inner ring or outer ring are equipped with fuel feed hole, and the bottom of outer ring is equipped with outage, and sealing is equipped in inner ring and outer on outer ring
It is engaged between circle and with inner ring or the oil return sealing ring of clearance fit, is set on the oil return sealing ring towards the side of roller
Have the annular oil-recovery tank of lubricating oil collected and thrown away in roller groove, inner ring be equipped in roller groove and oil return sealing ring it
Between annular guide surface in the lubricating oil to annular oil-recovery tank that throws away for guide rolls groove, annular guide surface is close close to oil return
The radius of the part of seal is not less than the radius of the notch of annular oil-recovery tank.
Oil-lubricated bearing of the invention, the high speed of bearing can be guaranteed bearing lubrication by inputting lubricating oil by fuel feed hole
Can, the lubricating oil being thrown out of in roller groove rapidly enters the annular oil-recovery tank of oil return sealing ring under the guidance of annular guide surface
It is interior, the radiating efficiency of bearing is improved, guarantees that lubricating oil does not leak.
Further, in order to preferably the lubricating oil thrown away in roller groove is guided to the annular oil return of oil return sealing ring
In slot, radius is gradually increased the annular guide surface from inside to outside in the axial direction.
Further, in order to improve the efficiency that lubricating oil is discharged, the outer ring is equipped in the axial direction radius from the inside to the outside
It is gradually increased the oil extraction guide surface for guiding lubricating oil to outage.
Further, for the ease of processing, the oil return sealing ring includes circular main body portion, the oil-recovery tank convex hole
The setting of shape main part.
Further, in order to improve the sealing effect of bearing, it is additionally provided with outer side seal circle on the outside of the oil return sealing ring,
It outer side seal circle and outer ring sealing cooperation and is engaged with inner ring or clearance fit.
Further, for the ease of being sealed installation to outer side seal circle and oil return sealing ring, inner ring be equipped with it is outer
Side seal circle be engaged or the L shape mating surface and/or inner ring of clearance fit be equipped be engaged with oil return sealing ring or
The L shape mating surface of clearance fit.
Further, in order to make bearing have high speed performance, the bearing is four-point contact ball.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of oil-lubricated bearing of the invention；
Fig. 2 is the structural schematic diagram of the top outer ring of the oil-lubricated bearing in Fig. 1；
Fig. 3 is the structural schematic diagram of the left half-turn of the top inner ring of the oil-lubricated bearing in Fig. 1；
Fig. 4 is the structural schematic diagram of the exterior seal ring in Fig. 1；
Fig. 5 is the structural schematic diagram of the inner seal ring in Fig. 1.
In figure: 1, outer ring；2, oil return sealing ring；3, outer side seal circle；4, right half inner ring；5, fuel feed hole；6, roller；7, it protects
Hold frame；8, left half inner ring；9, outage；10, cup roller groove；11, external seal slot；12, interior seal groove；13, oil extraction guides
Face；14, annular guide surface；15, interior L shape mating surface；16, outer L shape mating surface；17, left half inner ring roller groove；18, outside is close
Seal relief groove；19, outer side seal circle sealing lip；22, outer side seal circle seals clip slot；23, outer side seal circle epipharynx；24, it returns
Oil seal circle relief groove；25, annular oil-recovery tank；26, oil return sealing ring sealing lip；27, outer ring top；28, outer ring lower part；29,
Circular main body portion.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.The nouns of locality such as upper, lower, horizontal hereinafter
It is description when in use to bearing, in use, the axis horizontal of bearing extends.Front, rear, left and right hereinafter are with picture
On the basis of middle orientation, it is therefore an objective to facilitate the relative positional relationship of statement structure, but not formed and limited to structure.
The specific embodiment of oil-lubricated bearing of the invention is as shown in Figures 1 to 5, which is four-point contact ball
Bearing, including inner ring and outer ring 1, wherein outer ring 1 is overall structure, and inner ring is the fission for including a left side half inner ring 8 and right half inner ring 4
Structure.Roller groove is equipped in inner ring and outer ring 1, inner ring and the roller groove of outer ring 1 are collectively formed raceway, are equipped in raceway
Roller 6, roller 6 are maintained in raceway by retainer 7.In the present embodiment, roller 6 is silicon nitride ceramic ball, 7 material of retainer
For engineering plastics, such as PEEK, PA46 etc..
As depicted in figs. 1 and 2, cup roller groove 10 is set to 1 inside of outer ring, the cup roller groove on outer ring top 27
10 slot bottom is provided with the fuel feed hole 5 radially extended along bearing, and lubricating oil, which enters Bearing inner by fuel feed hole 5, carries out bearing
Lubrication, so that bearing can adapt to higher revolving speed.The left side of the cup roller groove 10 of outer ring 1 is provided with interior seal groove
12, it is corresponding close for installing that the left side of interior seal groove 12 is additionally provided with external seal slot 11, interior seal groove 12 and external seal slot 11
Seal, is additionally provided with oil extraction guide surface 13 between interior seal groove 12 and cup roller groove 10, the radius of oil extraction guide surface 13 exists
It is gradually increased from the inside to the outside in axial direction, oil extraction guide surface 13 and the intersecting lens for crossing the sagittal plane of axis are angled straight lines, inclination
About 3 ° of angle, in other embodiments, tilt angle also can according to need and be adjusted, for example can be other angles such as 1 °, 4 °
Degree.The right side of the cup roller groove 10 of outer ring 1 is again provided with external seal slot and interior seal groove.It rolls the outer ring of outer ring lower part 28
The slot bottom of sub-trenches 10 is provided with the outage 9 radially extended along bearing, and oil extraction guide surface 13 can quickly guide lubricating oil
To outage 9, the high temperature oil of Bearing inner is quickly discharged by outage 9 and is radiated to bearing, improves radiating efficiency.Outside
Axisymmetrical of the structure of remaining structure and outer ring top 27 for enclosing lower part 28 about bearing, no longer describes.
As shown in figures 1 and 3, left half inner ring 8 is identical with the right structure of half inner ring 4, the half inner ring roller of a left side of left half inner ring 8
The roller groove of groove 17 and right half inner ring 4, which is docking together, collectively constitutes inner ring roller groove.Half inner ring of a left side of left half inner ring 8
The left side of roller groove 17 is provided with and the corresponding interior L shape mating surface 15 of interior seal groove 12 and corresponding with external seal slot 11
Outer L shape mating surface 16, wherein interior L shape mating surface 15 and outer L shape mating surface 16 are the annular step surface being arranged on inner ring, ring
The axial cross section of shape step surface is L shape.Left half inner ring 8 also has half inner ring roller groove 17 of a connection left side and interior L shape mating surface 15
Annular guide surface 14, the radius of annular guide surface 14 is gradually increased from inside to outside in the axial direction, annular guide surface 14 with cross axis
The intersecting lens of the sagittal plane of line is angled straight lines, about 3 ° of gradient, can be quickly by roller ditch by annular guide surface 14
High temperature grease in slot guides, and accelerates radiating efficiency.In other embodiments, tilt angle also can according to need progress
Adjustment, for example can be the other angles such as 1 °, 4 °.
As shown in Figure 1, Figure 4 and Figure 5, oil-lubricated bearing further includes oil return sealing ring 2 and outer side seal circle 3, oil return sealing
Circle 2 and outer side seal circle 3 are the rubber seal with skeleton, and middle skeleton is 08 steel plate or similar material, rubber Ding Qing
Rubber or similar material.Oil return sealing ring 2 includes circular main body portion 29, and the radial outer end of oil return sealing ring 2 is provided with oil return
Sealing ring relief groove 24, the radial outer end of oil return sealing ring 2 are caught in interior seal groove 12 and by oil return sealing ring relief groove 24
It is fitted close with interior seal groove 12.The inner end of oil return sealing ring 2 is provided with oil return sealing ring sealing lip 26, and oil return sealing ring 2 is logical
Cross interior 15 clearance fit of L shape mating surface on oil return sealing ring sealing lip 26 and left half inner ring 8, fit clearance 0- when work
0.05mm prevents external contaminants from entering Bearing inner, and when fit clearance is 0, interior L shape mating surface and oil return sealing ring are sealed
Become between lip 26 and is engaged.It is additionally provided with towards the side of roller 6 for collecting roller in the radial inner end of oil return sealing ring 2
The annular oil-recovery tank 25 of the lubricating oil thrown away in groove, annular oil-recovery tank 25 protrude to the right the setting of circular main body portion 29, annular
Radius of the guide surface 14 close to the part of oil return sealing ring 2 is not less than the radius of the notch of annular oil-recovery tank 25.
The radial outer end of outer side seal circle 3 is provided with outer side seal circle relief groove 18.The radial outer end card of outer side seal circle 3
Enter in external seal slot 11, is fitted close by outer side seal circle relief groove 18 and external seal slot 11.The diameter of outer side seal circle 3 is inside
It holds and is provided with outer side seal circle sealing lip 19 and outer side seal circle epipharynx 23, in outer side seal circle sealing lip 19 and outer side seal circle
Outer side seal circle is formed between lip 23 seals clip slot 22.Outer side seal circle sealing lip 19 and outer side seal circle epipharynx 23 and outer L shape
16 clearance fit of mating surface prevents external contaminants from entering Bearing inner, prevents internal lubrication oil from revealing.The sealing of outer side seal circle
Fit clearance 0-0.05mm when lip 19 and outer L shape mating surface 16 work, prevents external contaminants from entering Bearing inner, when between cooperation
Become between interior outer side seal circle sealing lip 19 and outer L shape mating surface 16 when gap is 0 and is engaged.In order to guarantee bearing have compared with
Cooperation between high high speed performance, outer side seal circle sealing lip and oil return sealing ring sealing lip and corresponding L shape mating surface
Mode is non-tight cooperation.
Oil-lubricated bearing of the invention at work, lubricating oil by fuel feed hole 5 enter bearing roller groove in, inner ring with
Shaft rotate and lubricating oil is thrown away out of roller groove, the lubricating oil thrown away in roller groove draws annular guide surface 14
The annular oil-recovery tank 25 of lower inflow is led, then the lubricating oil in annular oil-recovery tank 25 passes through oil extraction under the guidance of oil extraction guide surface 13
Hole 9 is discharged from Bearing inner, radiates to bearing.Oil-lubricated bearing of the invention can carry out lubrication well to bearing and protect
The high speed performance of bearing is demonstrate,proved, and at work, the lubricating oil in bearing will not reveal dirt everywhere under good sealed environment
Contaminate environment.Oil-lubricated bearing can be improved speed ability, 50% or more service life, and can be used in dust storm, greasy dirt etc. and dislike
In bad environment, the expensive Multilayer sealing device of host is avoided, sealing environmental protection greatly reduces host cost, significant to simplify
Main machine structure, reduces host cost.
In other embodiments, annular guide surface and the intersecting lens for the sagittal plane for crossing axis can be camber line or level
Straight line.In other embodiments, outage guide surface and the intersecting lens for the sagittal plane for crossing axis can be camber line or level
Straight line.In other embodiments, annular oil-recovery tank can also be embedded in circular main body portion.In other embodiments, bearing
Outer side seal circle can also remove, and bearing is suitable for sealing effect occasion of less demanding at this time.In other embodiments, oil inlet
Hole can also be arranged on inner ring, need that fuel feed hole is arranged in the shaft of adaptation at this time.In other embodiments, on inner ring
L shape mating surface may be replaced by mating groove, and the inner end of outer side seal circle and oil return sealing ring is caught in mating groove at this time.
In other embodiments, oil extraction guide surface can also be not provided with, and the active force only by roller rotation throws away lubricating oil at this time.
Claims (7)
1. oil-lubricated bearing, including inner ring, outer ring, it is equipped with roller groove in inner ring and outer ring, is equipped with roller in roller groove,
Inner ring or outer ring are equipped with fuel feed hole, and the bottom of outer ring is equipped with outage, it is characterised in that: sealing, which is equipped with, on outer ring is in
It is engaged between inner ring and outer ring and with inner ring or the oil return sealing ring of clearance fit, towards roller on the oil return sealing ring
Side be equipped with the annular oil-recovery tank of lubricating oil collected and thrown away in roller groove, inner ring, which is equipped with, is in roller groove and oil return
The annular guide surface in lubricating oil to annular oil-recovery tank thrown away between sealing ring for guide rolls groove, annular guide surface are leaned on
The radius of the part of nearly oil return sealing ring is not less than the radius of the notch of annular oil-recovery tank.
2. oil-lubricated bearing according to claim 1, it is characterised in that: the annular guide surface is in the axial direction from inside to outside
Radius is gradually increased.
3. oil-lubricated bearing according to claim 1 or 2, it is characterised in that: the outer ring is equipped in the axial direction by interior
The oil extraction guide surface for guiding lubricating oil to outage is gradually increased to outer radius.
4. oil-lubricated bearing according to claim 3, it is characterised in that: the oil return sealing ring includes annular body portion
Point, the oil-recovery tank protrusion circular main body portion setting.
5. oil-lubricated bearing according to claim 4, it is characterised in that: be additionally provided with outside on the outside of the oil return sealing ring
It sealing ring, outer side seal circle and outer ring sealing cooperation and is engaged with inner ring or clearance fit.
6. oil-lubricated bearing according to claim 1 or 2 or 4, it is characterised in that: inner ring is equipped with and connects with outer side seal circle
The L shape mating surface and/or inner ring of touching cooperation or clearance fit are equipped with to be engaged or the L of clearance fit with oil return sealing ring
Shape mating surface.
7. oil-lubricated bearing according to claim 6, it is characterised in that: the bearing is four-point contact ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811649527.1A CN109681534B (en) | 2018-12-30 | 2018-12-30 | Oil-lubricated bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811649527.1A CN109681534B (en) | 2018-12-30 | 2018-12-30 | Oil-lubricated bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109681534A true CN109681534A (en) | 2019-04-26 |
| CN109681534B CN109681534B (en) | 2021-01-22 |
Family
ID=66191558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811649527.1A Active CN109681534B (en) | 2018-12-30 | 2018-12-30 | Oil-lubricated bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109681534B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905925A (en) * | 2019-11-14 | 2020-03-24 | 安徽千禧精密轴承制造有限公司 | Improved bearing |
| CN114135570A (en) * | 2021-11-29 | 2022-03-04 | 中国航发哈尔滨轴承有限公司 | High-speed angular contact bearing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4018012B2 (en) * | 2003-03-20 | 2007-12-05 | 三菱電機株式会社 | Sealing structure for lubricating oil for motor bearings |
| CN203585287U (en) * | 2013-11-22 | 2014-05-07 | 天津天重中直科技工程有限公司 | Lubrication bearing of speed reducer |
| CN204942267U (en) * | 2015-09-10 | 2016-01-06 | 神华集团有限责任公司 | Bearing, bearing mounting structure and bearing lubrication system |
| CN207989561U (en) * | 2018-03-26 | 2018-10-19 | 安徽徽熳动力机械制造有限公司 | A kind of dust-proof, multistage lubricated type bearing applied to numerically-controlled machine tool |
| CN109027014A (en) * | 2017-06-12 | 2018-12-18 | 舍弗勒技术股份两合公司 | Sealing structure and bearing |
-
2018
- 2018-12-30 CN CN201811649527.1A patent/CN109681534B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4018012B2 (en) * | 2003-03-20 | 2007-12-05 | 三菱電機株式会社 | Sealing structure for lubricating oil for motor bearings |
| CN203585287U (en) * | 2013-11-22 | 2014-05-07 | 天津天重中直科技工程有限公司 | Lubrication bearing of speed reducer |
| CN204942267U (en) * | 2015-09-10 | 2016-01-06 | 神华集团有限责任公司 | Bearing, bearing mounting structure and bearing lubrication system |
| CN109027014A (en) * | 2017-06-12 | 2018-12-18 | 舍弗勒技术股份两合公司 | Sealing structure and bearing |
| CN207989561U (en) * | 2018-03-26 | 2018-10-19 | 安徽徽熳动力机械制造有限公司 | A kind of dust-proof, multistage lubricated type bearing applied to numerically-controlled machine tool |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905925A (en) * | 2019-11-14 | 2020-03-24 | 安徽千禧精密轴承制造有限公司 | Improved bearing |
| CN114135570A (en) * | 2021-11-29 | 2022-03-04 | 中国航发哈尔滨轴承有限公司 | High-speed angular contact bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109681534B (en) | 2021-01-22 |
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