CN102647040A - Lubricating device of motor bearing - Google Patents
Lubricating device of motor bearing Download PDFInfo
- Publication number
- CN102647040A CN102647040A CN2012101384724A CN201210138472A CN102647040A CN 102647040 A CN102647040 A CN 102647040A CN 2012101384724 A CN2012101384724 A CN 2012101384724A CN 201210138472 A CN201210138472 A CN 201210138472A CN 102647040 A CN102647040 A CN 102647040A
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- bearing
- disc
- oil
- lubricating
- motor bearings
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Abstract
The invention relates to a motor matching device. In order to solve the technical problems that oil throwers of lubricating devices of existing motor bearings cannot prevent lubricating grease from being thrown off and waste oil grease can not discharged, lubricating devices of conventional motor bearings are improved and the innovations are that the oil thrower is a round tray with an inner hole, the thickness of the oil thrower is tapered in a radial direction outwards from a contacting contour circle of an inner sleeve of a bearing to the oil thrower, the oil thrower and a non contacting face of the bearing are in a same plane, the oil thrower and the bearing are assembled in a combining mode, a V-shaped hollow cavity is formed between the oil thrower and the bearing, the height of the oil thrower is lower than the diameter of the inner sleeve of the bearing, an annular boss is assembled on the inner wall of an outer cover of the bearing, a spigot is arranged on the inner wall of the outer cover of the bearing, and a narrow gap serving as an oil overflowing channel is formed between the outer edges of the boss and the oil thrower. The lubricating device is easy to process, convenient to install, and guarantees not only residual amount of the lubricating grease in a bearing chamber but also cleanness of the lubricating grease and discharge of the waste oil grease.
Description
Technical field
The present invention relates to a kind of electric drilling match device, specifically be meant a kind of lubricating arrangement of motor bearings.
Background technology
In the motor operation course; Bearing is bearing the effect of axial force and radial load; Friction generates heat and wearing and tearing with the interior overcoat of bearing in the process of rotation for rolling element; Must have a certain amount of lubricating grease in the bearing chamber, bearing is lubricated and dispels the heat, the storage of lubricating grease generally is no more than 1/3rd of bearing chamber total amount.Micro-machine adopts the enclosed type bearing more, and the large and middle size motor bearing is open bearing, needs to guarantee the cleaning of lubricating grease, in time replenishes new grease, discharges the waste oil after using, and guarantees the operation that bearing is good.
The lubricating arrangement of present common motor bearings is as shown in Figure 1, comprises the bearing 3 that is installed on machine shaft 1 pedestal, the disc of installing on the motor shaft in bearing 3 outsides 4, and bearing both sides and fixing internal bearing cover 2, the bearing end cover 5 of bearing holder (housing, cover).On bearing end cover 5 and bearing holder (housing, cover) 6, be drilled with oil filler point 7, lubricant grease is injected in the internal bearing cover, internal bearing cover has oil guide groove, during machine operation, grease in the bearing to exosmosis.
As shown in Figure 1; The endoporus of disc 4 is fixed with holding screw after being enclosed within on the axle with an axle interference fits, disc; Disc 4 is a vertical plane with the contact-making surface of bearing 3; Form narrow cavity between disc 4 and the bearing 3, the radial height of disc surpasses bearing chamber to prevent that lubricant grease from directly being thrown away, and forms oil impregnate space 8 between the outward flange of disc 4 and bearing end cover 5 inner chambers.But find that in use because the contact-making surface of disc 4 and bearing 3 is a vertical plane, the width in oil impregnate space 8 is narrow, waste oil is difficult to discharged by oil impregnate space 8; And if the width in oil impregnate space 8 is wide, because formed cavity is very narrow between disc 4 and the bearing 3, lubricating grease might directly throw away the excessive use that causes lubricating grease by oil impregnate space 8.
Summary of the invention
For disc in the lubricating arrangement that overcomes present motor bearings to lubricating grease prevent throw away and waste oil discharges existing technical problem; The present invention is through improving disc and bearing end cover, and a kind of lubricating arrangement of motor bearings of rational in infrastructure, high lubricating effect is provided.
For realizing above-mentioned technical purpose; The technical scheme that the present invention adopts is: a kind of lubricating arrangement of motor bearings comprises machine shaft, the bearing of installing on the machine shaft pedestal; The disc of on the machine shaft in the bearing outside, installing; And be arranged on the bearing both sides respectively with fixing internal bearing cover and the bearing end cover of bearing outside, have the oiling passage that connects with the internal bearing cover cavity at bearing end cover and bearing outside inside, it is characterized in that: described disc is the disk that has endoporus; The thickness of disc is by the contact profile circle beginning attenuation gradually radially outward of itself and bearing inner sleeve; The noncontact face of disc and bearing keeps the plane, between it, forms the V-arrangement cavity after disc and the bearing aggregate erection, and the height of disc is lower than the bearing inner sleeve diameter; Described bearing end cover has processing one annular boss on the enclosing cover inwall that seam is installed at it, forms narrow gap between the outer rim of boss and disc and forms the oil spilling passage.
Between described disc and the machine shaft fixedly is the endoporus and axle employing interference fit of disc, and the disc hot jacket is on axle.
The machine shaft in the said disc outside is provided with circlip for shaft.
The thickness of the interior bore edges of described disc is 12-18mm, and the outer edge thickness of disc is 1.5-2.5mm.
The height of described oil spilling passage is 0.5-1.5mm.
Distance between boss in the described bearing end cover and the installation seam is less than the maximum ga(u)ge of disc.
Beneficial effect of the present invention is: since the disc after improving its with the contact-making surface formation inclined-plane of bearing; Form the V-arrangement cavity between disc and the bearing and can store a certain amount of lubricating grease, during the motor rotation, because the oil spilling path clearance between disc and the bearing end cover boss is little; Can prevent that the lubricating grease in the bearing chamber directly is thrown out of; Lubricating grease in the V-arrangement cavity oozes out along the inclined-plane simultaneously, and outermost grease overflows at first, guarantees the grease cleaning of bearing chamber.Obviously thin through its thickness of disc after improving, processing is simple, and is easy for installation, both guaranteed the storage of bearing chamber lubricating grease, guarantees the cleaning of lubricating grease and the discharging of waste oil again.
Description of drawings
Accompanying drawing 1 is the structural representation of motor bearings lubricating arrangement in the prior art.
Accompanying drawing 2 is a structural representation of the present invention.
Accompanying drawing 3 is disc front view of the present invention and cutaway view.
Accompanying drawing 4 is the front view of bearing end cover of the present invention and cutaway view.
Among the figure, 1, machine shaft, 2, internal bearing cover, 3, bearing, 4, disc; 5, bearing end cover, 6, bearing outside, 7, the oiling passage, 8, the oil spilling passage, 9, bearing inner sleeve; 10, boss, 11, the V-arrangement cavity, 12, circlip for shaft, 13, the disc endoporus, 14, the profile circle; 15, disc disk body, 16, the bearing end cover endoporus, 17, the bearing end cover wall, 18, seam is installed, 19, the labyrinth annular groove.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
As shown in Figure 2; A kind of lubricating arrangement of motor bearings; Comprise machine shaft 1, the bearing of installing on machine shaft 1 pedestal 3, the disc of on the machine shaft in bearing 3 outsides, installing 4; And be arranged on the bearing both sides respectively with fixing internal bearing cover 2 and the bearing end cover 5 of bearing outside 6, have the oiling passage 7 that connects with internal bearing cover 2 cavitys at bearing end cover 5 and bearing outside 6 inside.
As shown in Figure 3; Disc 4 in this lubricating arrangement to cutaway view can find out in conjunction with the A-A among Fig. 3 that for having the disk of endoporus 13 thickness of this disc disk body 15 is divided into two parts; Surface at this disk is the boundary with its contact profile circle 14 that back and bearing inner sleeve are installed; Be consistent from the disk body thickness of disc endoporus 13 to profile circle 14, from 14 its thickness of the outer rim attenuation gradually to disc of profile circle, the noncontact face of disc and bearing keeps the plane.
As shown in Figure 2; After disc 4 and bearing 3 aggregate erections; Disk body between endoporus 13 to the profile circle 14 of disc forms vertical plane with bearing inner sleeve 9 and contacts; And forming V-arrangement cavity 11 between the disk body of profile circle 14 to the outer rim of disc and the bearing 3, the height of disc is lower than the bearing inner sleeve diameter.
As shown in Figure 4; Bearing end cover 5 in this device comprises bearing end cover endoporus 16 and the labyrinth annular groove 19 that is provided with at the bearing end cover outer surface; Can find out to cutaway view that in conjunction with the B-B among Fig. 4 bearing end cover 5 has processing one annular boss 10 on the inside of the outer cap wall 17 that seam 18 is installed at it.
As shown in Figure 2, after the assembling of this lubricating arrangement, the boss 10 in the bearing end cover and the outward flange of disc over against, form narrow gap between the two as oil spilling passage 8.
For guarantee bearing end cover boss 10 and disc outer rim over against; Add man-hour, the distance between boss 10 in the bearing end cover and the installation seam 18 is slightly less than the maximum ga(u)ge of disc, work in-process; The THICKNESS CONTROL of the interior bore edges of disc is at 12-18mm; The disc edge thickness all is controlled between the 1.5-2.5mm, and the boss width is controlled between the 6-8mm, and slit between the two is controlled between the 0.5-1.5.In the present embodiment, the thickness of the interior bore edges of disc is 15mm, and the disc edge thickness is 2mm; The boss width is 7mm, and slit between the two is 1mm, and the disc that adopts above-mentioned parameter to make is over half than the disc thickness minimizing of prior art; Processing is simple; Through using checking, the storage that it can fully guarantee bearing chamber lubricating grease guarantees the cleaning of lubricating grease and the discharging of waste oil again.
As shown in Figure 2, in this lubricating arrangement, form the V-arrangement cavity between disc and the bearing; Motor is when rotating; Because lubricating grease has certain toughness, in the process of outwards overflowing, because the existence of V-arrangement cavity has increased the memory space after lubricating grease overflows by bearing inside; Lubricating grease can obtain storing in the V-type cavity, and the waste oil that gets into cavity at first upwards gets into the oil spilling passage along the inclined-plane of disc and discharges in rotating process.So both can fully guarantee the storage of bearing chamber lubricating grease, guarantee the cleaning of lubricating grease and the discharging of waste oil again.
In this invention, between disc 4 and the machine shaft 1 fixedly is the endoporus 13 and axle employing interference fit of disc, and the disc hot jacket is on axle.
As shown in Figure 2, the machine shaft in the disc outside is provided with circlip for shaft 12.
Claims (6)
1. the lubricating arrangement of a motor bearings; Comprise machine shaft; The bearing of installing on the machine shaft pedestal, the disc of on the machine shaft in the bearing outside, installing, and be arranged on the bearing both sides respectively with fixing internal bearing cover and the bearing end cover of bearing outside; Have the oiling passage that connects with the internal bearing cover cavity at bearing end cover and bearing outside inside; It is characterized in that: described disc is the disk that has endoporus, and the thickness of disc is by the contact profile circle beginning attenuation gradually radially outward of itself and bearing inner sleeve, the noncontact face maintenance plane of disc and bearing; Between it, form the V-arrangement cavity after disc and the bearing aggregate erection, the height of disc is lower than the bearing inner sleeve diameter; Described bearing end cover has processing one annular boss on the enclosing cover inwall that seam is installed at it, forms narrow gap between the outer rim of boss and disc and forms the oil spilling passage.
2. the lubricating arrangement of motor bearings according to claim 1 is characterized in that: between described disc and the machine shaft fixedly is that the endoporus of disc adopts an interference fit with axle, and the disc hot jacket is on axle.
3. the lubricating arrangement of motor bearings according to claim 1 is characterized in that: the machine shaft in the said disc outside is provided with circlip for shaft.
4. the lubricating arrangement of motor bearings according to claim 1, it is characterized in that: the thickness of the interior bore edges of described disc is 12-18mm, the outer edge thickness of disc is 1.5-2.5mm.
5. the lubricating arrangement of motor bearings according to claim 1, it is characterized in that: the height of described oil spilling passage is 0.5-1.5mm.
6. the lubricating arrangement of motor bearings according to claim 1 is characterized in that: the distance between the boss in the described bearing end cover and the installation seam is less than the maximum ga(u)ge of disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101384724A CN102647040A (en) | 2012-05-08 | 2012-05-08 | Lubricating device of motor bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101384724A CN102647040A (en) | 2012-05-08 | 2012-05-08 | Lubricating device of motor bearing |
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| Publication Number | Publication Date |
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| CN102647040A true CN102647040A (en) | 2012-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101384724A Pending CN102647040A (en) | 2012-05-08 | 2012-05-08 | Lubricating device of motor bearing |
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| CN (1) | CN102647040A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757129A (en) * | 2016-04-29 | 2016-07-13 | 北京杰诺瑞特机电科技有限公司 | Auxiliary electric motor special for wind power, bearing grease adding method of electric motor and wind power unit |
| CN106533031A (en) * | 2016-10-30 | 2017-03-22 | 国电联合动力技术(宜兴)有限公司 | Novel bearing grease discharge structure |
| CN106762788A (en) * | 2017-01-09 | 2017-05-31 | 上海第水泵厂有限公司 | Built-up shaft pressure cap |
| CN107023565A (en) * | 2017-05-23 | 2017-08-08 | 中达电机股份有限公司 | The lubrication system of blower fan bearing of explosion-proof motor |
| CN107061507A (en) * | 2017-05-23 | 2017-08-18 | 中达电机股份有限公司 | The lubrication system of the vertical threephase asynchronous bearing assembly of flame-proof type |
| CN108240476A (en) * | 2016-12-27 | 2018-07-03 | 深圳光启合众科技有限公司 | Shaft sealer |
| CN109412319A (en) * | 2018-12-21 | 2019-03-01 | 卧龙电气南阳防爆集团股份有限公司 | The fast heavy-duty motor of a kind of low noise, cooling |
| CN112003412A (en) * | 2020-09-01 | 2020-11-27 | 青岛中加特电气股份有限公司 | End cover structure of motor bearing |
| CN112713693A (en) * | 2020-12-22 | 2021-04-27 | 上海电气集团上海电机厂有限公司 | High-rotating-speed heavy-load rolling bearing device installed at 45-degree inclination for motor |
| CN114158182A (en) * | 2021-11-15 | 2022-03-08 | 四川巴根科技有限公司 | A anticorrosion structure for circuit board |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201307807Y (en) * | 2008-11-19 | 2009-09-09 | 无锡哈电电机有限公司 | Rolling bearing structure for large and medium direct current (DC) motor |
| CN101710749A (en) * | 2009-11-05 | 2010-05-19 | 无锡哈电电机有限公司 | Oil storage device of high-pressure motor bearing |
| CN102022438A (en) * | 2010-11-24 | 2011-04-20 | 山东华力电机集团股份有限公司 | Motor bearing labyrinth gland |
| CN202679128U (en) * | 2012-05-08 | 2013-01-16 | 山东华力电机集团股份有限公司 | Lubrication device of motor bearing |
-
2012
- 2012-05-08 CN CN2012101384724A patent/CN102647040A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201307807Y (en) * | 2008-11-19 | 2009-09-09 | 无锡哈电电机有限公司 | Rolling bearing structure for large and medium direct current (DC) motor |
| CN101710749A (en) * | 2009-11-05 | 2010-05-19 | 无锡哈电电机有限公司 | Oil storage device of high-pressure motor bearing |
| CN102022438A (en) * | 2010-11-24 | 2011-04-20 | 山东华力电机集团股份有限公司 | Motor bearing labyrinth gland |
| CN202679128U (en) * | 2012-05-08 | 2013-01-16 | 山东华力电机集团股份有限公司 | Lubrication device of motor bearing |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757129A (en) * | 2016-04-29 | 2016-07-13 | 北京杰诺瑞特机电科技有限公司 | Auxiliary electric motor special for wind power, bearing grease adding method of electric motor and wind power unit |
| CN106533031A (en) * | 2016-10-30 | 2017-03-22 | 国电联合动力技术(宜兴)有限公司 | Novel bearing grease discharge structure |
| CN108240476A (en) * | 2016-12-27 | 2018-07-03 | 深圳光启合众科技有限公司 | Shaft sealer |
| CN106762788A (en) * | 2017-01-09 | 2017-05-31 | 上海第水泵厂有限公司 | Built-up shaft pressure cap |
| CN107023565A (en) * | 2017-05-23 | 2017-08-08 | 中达电机股份有限公司 | The lubrication system of blower fan bearing of explosion-proof motor |
| CN107061507A (en) * | 2017-05-23 | 2017-08-18 | 中达电机股份有限公司 | The lubrication system of the vertical threephase asynchronous bearing assembly of flame-proof type |
| CN109412319A (en) * | 2018-12-21 | 2019-03-01 | 卧龙电气南阳防爆集团股份有限公司 | The fast heavy-duty motor of a kind of low noise, cooling |
| CN112003412A (en) * | 2020-09-01 | 2020-11-27 | 青岛中加特电气股份有限公司 | End cover structure of motor bearing |
| CN112713693A (en) * | 2020-12-22 | 2021-04-27 | 上海电气集团上海电机厂有限公司 | High-rotating-speed heavy-load rolling bearing device installed at 45-degree inclination for motor |
| CN114158182A (en) * | 2021-11-15 | 2022-03-08 | 四川巴根科技有限公司 | A anticorrosion structure for circuit board |
| CN114158182B (en) * | 2021-11-15 | 2024-04-19 | 四川巴根科技有限公司 | A anticorrosion structure for circuit board |
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Application publication date: 20120822 |