CN202679128U - Lubrication device of motor bearing - Google Patents
Lubrication device of motor bearing Download PDFInfo
- Publication number
- CN202679128U CN202679128U CN 201220200821 CN201220200821U CN202679128U CN 202679128 U CN202679128 U CN 202679128U CN 201220200821 CN201220200821 CN 201220200821 CN 201220200821 U CN201220200821 U CN 201220200821U CN 202679128 U CN202679128 U CN 202679128U
- Authority
- CN
- China
- Prior art keywords
- bearing
- disc
- grease
- throwing
- lubricating
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Motor Or Generator Frames (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a motor associated apparatus. A lubricating device of a conventional motor bearing is improved to conquer the technical problems of the lubricating device of the existing motor bearing existing in prevention of throwing out of a lubricating grease by a grease throwing-out disk and discharge of the waste grease. The main improvement is in that: the grease throwing-out disk is a round disk with an inner hole, the thickness of the grease throwing-out disk radially and gradually thins towards outside from a profile circle contacted with a bearing inner sleeve, the non-contact surface of the grease throwing-out disk and the bearing is kept plane, the grease throwing-out disk and the bearing are assembled and installed to form a V-shaped cavity between them, the height of the grease throwing-out disk is lower than the diameter of the bearing inner sleeve; an annular boss is processed on an inner wall of a bearing outer cover with an installation rabbet, and a narrow gap is formed between the boss and the outer edge of the grease throwing-out disk to form a grease spill channel. The lubrication device has features of simple process, and convenient installation, and moreover ensures the stock of the lubricating grease of the bearing chamber, and ensures the cleaning of the lubricating grease and the discharge of the waste grease.
Description
Technical field
The utility model relates to a kind of electric drilling match device, specifically refers to 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 inner-outer sleeve of bearing in the process of rotation for rolling element, must there be a certain amount of lubricating grease in the bearing chamber, bearing is lubricated and dispels the heat, and 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 comprises the bearing 3 that is installed on machine shaft 1 pedestal as shown in Figure 1, and the disc 4 of installing on the motor shaft in bearing 3 outsides reaches bearing both sides and bearing holder (housing, cover) fixing internal bearing cover 2, bearing end cover 5.Be drilled with oil filler point 7 at bearing end cover 5 and bearing holder (housing, cover) 6, 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 and axle interference fits, after disc is enclosed within on the axle, fix with holding screw, disc 4 is 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 in use find, because the contact-making surface of disc 4 and bearing 3 is vertical plane, the width in oil impregnate space 8 is narrow, and waste oil is difficult to be 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 utility model is by 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 solution adopted in the utility model is: a kind of lubricating arrangement of motor bearings, comprise machine shaft, the bearing of installing on the rotating shaft bearing of motor platform, the disc that machine shaft outside bearing is installed, 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 with endoporus, the thickness of disc is by the radially outward gradually attenuation of contact profile circle beginning of itself and bearing inner sleeve, the noncontact face of disc and bearing keeps the plane, form the V-arrangement cavity after disc and bearing combination are installed between it, the height of disc is lower than the bearing inner sleeve diameter; Described bearing end cover, forms narrow gap and forms the oil spilling passage with enclosing cover inwall processing one annular boss that seam is installed at it between the outer rim of boss and disc.
Between described disc and the machine shaft fixedly is endoporus and the axle employing interference fit of disc, and the disc hot jacket is on axle.
The machine shaft in the described 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.
The beneficial effects of the utility model are: 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 by its thickness of disc after improving, processing is simple, and is easy for installation, both guaranteed the storage of bearing chamber lubricating grease, guarantees again the cleaning of lubricating grease and the discharging of waste oil.
Description of drawings
Accompanying drawing 1 is the structural representation of motor bearing lubrication device in the prior art.
Accompanying drawing 2 is structural representation of the present utility model.
Accompanying drawing 3 is the utility model disc front view
Accompanying drawing 4 is that accompanying drawing 3A-A is to cutaway view.
Accompanying drawing 5 is the front view of the utility model bearing end cover.
Accompanying drawing 6 is that accompanying drawing 5B-B is to 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, oil spilling passage, 9, bearing inner sleeve, 10, boss, 11, V-arrangement cavity, 12, circlip for shaft, 13, the disc endoporus, 14, profile circle, 15, the disc disk body, 16, the bearing end cover endoporus, 17, bearing end cover wall, 18, seam is installed, 19, the labyrinth annular groove.
Embodiment
Below in conjunction with drawings and Examples the utility model is described further.
As shown in Figure 2, a kind of lubricating arrangement of motor bearings, comprise machine shaft 1, the bearing 3 of installing on machine shaft 1 pedestal, the disc 4 of installing at the machine shaft in bearing 3 outsides, 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 is the disk with endoporus 13, can find out to cutaway view in conjunction with the A-A among Fig. 4, the thickness of this disc disk body 15 is divided into two parts, surface at this disk justifies 14 as the boundary take its contact profile that rear and bearing inner sleeve are installed, the disk body thickness of circle 14 is consistent from disc endoporus 13 to profile, and from the 14 gradually attenuation of its thickness of outer rim to disc of profile circle, the noncontact face of disc and bearing keeps the plane.
As shown in Figure 2, after disc 4 is installed with bearing 3 combinations, the endoporus 13 of disc forms vertical plane to the disk body between the profile circle 14 with bearing inner sleeve 9 and contacts, and profile circle 14 is to formation V-arrangement cavity 11 between the disk body of the outer rim of disc and the bearing 3, and the height of disc is lower than the bearing inner sleeve diameter.
As shown in Figure 5, bearing end cover 5 in this device comprises bearing end cover endoporus 16 and the labyrinth annular groove 19 that arranges at the bearing end cover outer surface, can find out to cutaway view in conjunction with the B-B among Fig. 6, bearing end cover 5 is at its inside processing one annular boss 10 with the outer cap wall 17 that seam 18 is installed.
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, 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, 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 again the cleaning of lubricating grease and the discharging of waste oil.
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 being overflowed by bearing inside, because the existence of V-arrangement cavity has increased the memory space after lubricating grease overflows, lubricating grease can be stored in the V-type cavity, and the waste oil that enters at first cavity upwards enters the oil spilling passage along the inclined-plane of disc and discharges in the process of rotating.So both can fully guarantee the storage of bearing chamber lubricating grease, guarantee again the cleaning of lubricating grease and the discharging of waste oil.
In this utility model, 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 rotating shaft bearing of motor platform, the disc that machine shaft outside bearing is installed, 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 with endoporus, the thickness of disc is by the radially outward gradually attenuation of contact profile circle beginning of itself and bearing inner sleeve, the noncontact face of disc and bearing keeps the plane, form the V-arrangement cavity after disc and bearing combination are installed between it, the height of disc is lower than the bearing inner sleeve diameter; Described bearing end cover, forms narrow gap and forms the oil spilling passage with enclosing cover inwall processing one annular boss that seam is installed at it between the outer rim of boss and disc.
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 endoporus and the axle of disc adopts interference fit, 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 described 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 |
|---|---|---|---|
| CN 201220200821 CN202679128U (en) | 2012-05-08 | 2012-05-08 | Lubrication device of motor bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220200821 CN202679128U (en) | 2012-05-08 | 2012-05-08 | Lubrication device of motor bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202679128U true CN202679128U (en) | 2013-01-16 |
Family
ID=47500003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220200821 Expired - Fee Related CN202679128U (en) | 2012-05-08 | 2012-05-08 | Lubrication device of motor bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202679128U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102647040A (en) * | 2012-05-08 | 2012-08-22 | 山东华力电机集团股份有限公司 | Lubricating device of motor bearing |
| 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 |
| CN109327100A (en) * | 2018-09-26 | 2019-02-12 | 许继集团有限公司 | Bearing chamber installation assembly and wind-driven generator |
| CN115355257A (en) * | 2022-10-19 | 2022-11-18 | 无锡法拉第电机有限公司 | Generator drive end bearing assembly structure |
-
2012
- 2012-05-08 CN CN 201220200821 patent/CN202679128U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102647040A (en) * | 2012-05-08 | 2012-08-22 | 山东华力电机集团股份有限公司 | Lubricating device of motor bearing |
| 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 |
| CN109327100A (en) * | 2018-09-26 | 2019-02-12 | 许继集团有限公司 | Bearing chamber installation assembly and wind-driven generator |
| CN115355257A (en) * | 2022-10-19 | 2022-11-18 | 无锡法拉第电机有限公司 | Generator drive end bearing assembly structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102647040A (en) | Lubricating device of motor bearing | |
| CN202679128U (en) | Lubrication device of motor bearing | |
| CN201391591Y (en) | High-speed host machine reduction gearbox | |
| CN103375572B (en) | The idle gear modular construction of a kind of motor and camshaft thereof | |
| TW201807328A (en) | Bearing device, and spindle device for machine tool | |
| CN204442073U (en) | A kind of high-voltage motor being provided with disc | |
| CN205298275U (en) | Novel deep groove ball bearing | |
| CN203285852U (en) | Outer spherical bearing | |
| CN105351366A (en) | Bearing end cap seal device | |
| CN204878378U (en) | Bearing stop sleeve, bearing mounting structure and vertical type speed reducer (change gear) | |
| CN107956802A (en) | The sliding bearing sealing structure of decanter centrifuge screw spindle | |
| CN203104168U (en) | Motor having oil filling and draining devices mounted on flange of shaft extension end machine base | |
| CN212429537U (en) | Duplex bearing assembly devices | |
| CN209354544U (en) | A kind of rolling bearing | |
| CN203585106U (en) | Bearing-lubricating oil supply structure | |
| JP2013210003A (en) | Tandem type double row angular ball bearing with seal | |
| CN206668765U (en) | A kind of dust-proof and high lubricating effect bearing | |
| CN202371003U (en) | Drawn cup needle roller bearing | |
| CN104300725A (en) | Oil baffle disk of motor bearing housing and machining technology thereof | |
| CN205677986U (en) | A kind of Digit Control Machine Tool self-lubricating roller bearing units | |
| CN205226149U (en) | Overrunning clutch of motorcycle | |
| CN204152969U (en) | Self-lubricating deep groove ball bearing | |
| CN203477316U (en) | Shaft head seal | |
| CN208185463U (en) | Oblique V-shaped seal ring | |
| CN201406505Y (en) | Rotating cup bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20140508 |