CN114135574A - Maintenance-free double-oil-discharging device of double-row roller bearing - Google Patents
Maintenance-free double-oil-discharging device of double-row roller bearing Download PDFInfo
- Publication number
- CN114135574A CN114135574A CN202111366250.3A CN202111366250A CN114135574A CN 114135574 A CN114135574 A CN 114135574A CN 202111366250 A CN202111366250 A CN 202111366250A CN 114135574 A CN114135574 A CN 114135574A
- Authority
- CN
- China
- Prior art keywords
- bearing
- oil
- double
- row roller
- cover
- 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.)
- Withdrawn
Links
Images
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
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
-
- 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
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
-
- 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
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
-
- 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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
Abstract
A maintenance-free double-oil discharging device of a double-row roller bearing relates to a maintenance-free double-oil discharging device. The invention aims to solve the problems of unsmooth lubricating grease oil path and difficult maintenance in the existing bearing assembly structure. The double-row roller bearing is sleeved on a shaft, two oil throwers are respectively sleeved on the shaft and positioned on the left side and the right side of the double-row roller bearing, a bearing seat is sleeved on the double-row roller bearing, an outer bearing cover and an inner bearing cover are both sleeved on the shaft, an oil discharge box is arranged on the outer bearing cover, an oil discharge hole is formed in the bearing seat positioned between the outer bearing cover and the inner bearing cover and is respectively communicated with the outer bearing cover and the inner bearing cover, waste oil flows into the oil discharge box after passing through the oil discharge hole and the outer bearing cover sequentially through the inner bearing cover, an oil inlet hole is formed between the upper bearing seats of the outer bearing cover and is connected with the middle part of the double-row roller bearing, oil is fed into the middle part, and an end cover is arranged on the bearing seat. The double-row roller bearing oil drain device is used for maintenance-free double oil drain of the double-row roller bearing.
Description
Technical Field
The invention relates to a maintenance-free double-oil discharging device, in particular to a maintenance-free double-oil discharging device of a double-row roller bearing.
Background
The three-phase alternating current motor generally adopts lubricating grease to carry out bearing lubrication, because the lubricating grease can lose efficacy after the service life is too long, therefore many (generally more than H280) motors all adopt and annotate oil extraction device, nevertheless because lubricating grease is solid-state, generally difficult discharge, at present domestic the general adoption is to add the oil extraction pipe device on the bearing enclosing cover, but because there is not pressure, grease is generally difficult to get rid of, and many users generally understand to refuel when, extrude waste oil through new grease. However, this method is very inefficient and causes several problems: 1. the waste grease is removed through the new grease, and the bearing is forced to be filled with the grease, so that the heat dissipation of the bearing is influenced; 2. because the bearing inner cover has certain clearance with the pivot, have inside a lot of greases can get into the motor through this clearance, cover on stator coil, often can lead to stator winding insulation resistance to reduce, cause the breakdown even.
In the structure of the motor, the bearing basically bears axial force and radial force, and when the force is large, a double-row roller bearing is generally adopted, such as a double-row angular contact bearing commonly used for a vertical motor, a spherical roller bearing commonly used for a horizontal motor, and the like. When the double-row roller bearing is adopted, the bearing is lubricated by two structures of one-side oil injection and intermediate oil injection, because the double-row roller bearing has two rows of rolling elements, the oil way is longer when one-side oil injection is adopted, the condition that the one row of rolling elements far away from the oil injection hole is insufficient in lubrication is easy to occur, and the structure adopting the intermediate oil injection can avoid the condition. However, the oil thrower is arranged on the outer side of the bearing in the conventional structure, oil is discharged from one side, the problem that the temperature of the bearing rises, the service life of the bearing is shortened and the like due to the fact that the waste oil on the inner side can not be completely discharged can be solved, the waste oil on the inner side can be removed only by disassembling the motor, and the maintenance is difficult.
Disclosure of Invention
The invention aims to solve the problems of unsmooth lubricating grease oil path and difficult maintenance in the existing bearing assembly structure. Based on the background, the invention aims to design a maintenance-free double-oil drainage device of a double-row roller bearing.
The technical scheme of the invention is as follows: a maintenance-free double-row oil device of a double-row roller bearing comprises a double-row roller bearing 7, a bearing seat 6, a bearing outer cover 2, a bearing inner cover 9, two oil throwers 8, an oil discharge box 4 and an end cover 5, wherein the double-row roller bearing 7 is sleeved on a shaft 1, the two oil throwers 8 are respectively sleeved on the shaft 1 and positioned at the left side and the right side of the double-row roller bearing 7, the bearing seat 6 is sleeved on the double-row roller bearing 7, the bearing outer cover 2 and the bearing inner cover 9 are both sleeved on the shaft 1, the bearing outer cover 2 and the bearing inner cover 9 are respectively connected with the left side and the right side of the bearing seat 6, the oil discharge box 4 is arranged on the bearing outer cover 2, an oil discharge hole 10 is arranged on the bearing seat 6 positioned between the bearing outer cover 2 and the bearing inner cover 9, the oil discharge hole 10 is respectively communicated with the bearing outer cover 2 and the bearing inner cover 9, waste oil flows into the oil discharge box 4 after the bearing inner cover 9 passes through the oil discharge hole 10 and the bearing outer cover 2, an oil inlet hole 11 is formed between the upper bearing seats 6 of the bearing outer cover 2, the oil inlet hole 11 is connected with the middle of the double-row roller bearing 7 to realize oil inlet in the middle, and the end cover 5 is installed on the bearing seats 6.
Preferably, the oil drain hole 10 is an elongated oil drain hole inclined from left to right and upward to right.
Further, the bearing comprises a sealing ring 12, and the sealing ring 12 is arranged between the bearing outer cover 2 and the bearing inner cover 9 and the shaft 1.
Further, the bearing comprises a nut 3, the nut 3 is screwed on the shaft 1, and the nut 3 is positioned between the oil thrower 8 and the bearing outer cover 2.
Preferably, the end cover 5 and the bearing seat 6 are detachably connected through bolts 13.
Furthermore, the oil inlet 11 comprises a vertical inlet section 11-1, a horizontal inlet section 11-2 and an inclined inlet section 11-3, the vertical inlet section 11-1 is vertically arranged on the bearing outer cover 2, the horizontal inlet section 11-2 is respectively arranged on the bearing outer cover 2 and the bearing seat 6, one end of the inclined inlet section 11-3 is connected with the horizontal inlet section 11-2, and the other end of the inclined inlet section 11-3 is connected with the middle part of the double-row roller bearing 7.
Preferably, the inclined entry section 11-3 is inclined to the lower left.
Compared with the prior art, the invention has the following effects:
1. the bearing assembly structure is simple, the installation is convenient, the middle oil injection is adopted, the oil thrower discs are arranged on two sides, the oil discharge holes are additionally formed in the bottoms of the bearing sleeve and the outer bearing cover to form a double-oil-discharge passage, and the waste oil on the inner side is discharged to the oil discharge box through the bearing sleeve and the outer bearing cover, so that the maintenance-free effect is realized, and the problems of unsmooth oil circuit of the motor, increased bearing temperature, reduced bearing service life and difficult maintenance are solved.
2. The integral structure of the bearing has stronger stability and safety, improves the lubricating quality of the bearing through the intermediate oil injection, the two oil throwers and the waste oil double-discharge passage, and solves the problems of poor bearing lubrication, unsmooth waste oil discharge, bearing temperature rise, bearing service life reduction and difficult maintenance.
Drawings
Fig. 1 is a schematic structural view of the present invention.
The oil-gas separator comprises a shaft 1, a bearing outer cover 2, a nut 3, an oil discharge box 4, an end cover 5, a bearing seat 6, a double-row roller bearing 7, two oil throwers 8, a bearing inner cover 9, an oil discharge hole 10, an oil inlet hole 11, a sealing ring 12 and a bolt 13, wherein the bearing inner cover is fixedly connected with the bearing inner cover;
in addition, the vertical inlet section 11-1, the horizontal inlet section 11-2 and the inclined inlet section 11-3.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: the embodiment is described by combining fig. 1, the embodiment comprises a double-row roller bearing 7, and further comprises a bearing seat 6, a bearing outer cover 2, a bearing inner cover 9, two oil throwers 8, an oil discharge box 4 and an end cover 5, wherein the double-row roller bearing 7 is sleeved on a shaft 1, the two oil throwers 8 are respectively sleeved on the shaft 1 and are positioned at the left side and the right side of the double-row roller bearing 7, the bearing seat 6 is sleeved on the double-row roller bearing 7, the bearing outer cover 2 and the bearing inner cover 9 are both sleeved on the shaft 1, the bearing outer cover 2 and the bearing inner cover 9 are respectively connected with the left side and the right side of the bearing seat 6, the oil discharge box 4 is installed on the bearing outer cover 2, an oil discharge hole 10 is formed on the bearing seat 6 positioned between the bearing outer cover 2 and the bearing inner cover 9, the oil discharge hole 10 is respectively communicated with the bearing outer cover 2 and the bearing inner cover 9, waste oil flows into the oil discharge box 4 after the bearing inner cover 9 passes through the oil discharge hole 10 and the bearing outer cover 2, an oil inlet hole 11 is formed between the upper bearing seats 6 of the bearing outer cover 2, the oil inlet hole 11 is connected with the middle of the double-row roller bearing 7 to realize oil inlet in the middle, and the end cover 5 is installed on the bearing seats 6.
The shaft 1 of the present embodiment is a multi-stepped shaft, and shoulders on the shaft limit the double row roller bearing 7 and the oil thrower 8 engaged therewith. The matching precision of the whole shaft and the bearing is ensured.
An oil throwing groove is formed in one side, close to the double-row roller bearing 7, of the oil throwing disc 8, the oil throwing groove is communicated with the bearing outer cover 2 and the bearing inner cover 9, and oil thrown out is convenient to accept and process.
The second embodiment is as follows: referring to fig. 1, the oil drain hole 10 of the present embodiment is a long strip-shaped oil drain hole inclined from left to right and upward.
This embodiment can be convenient for lubricating oil in the bearing inner cup receive the action of gravity just can discharge the grease by in the bearing inner cup to the bearing enclosing cover, and then has guaranteed the oil extraction effect.
The inclination angle of the strip-shaped oil drain hole of the embodiment is 10-30 degrees, preferably 15 degrees, so that grease can be smoothly discharged conveniently.
The other components and the composition are the same as those in the above embodiment.
The third concrete implementation mode: referring to fig. 1, the present embodiment further includes a seal ring 12, and the seal ring 12 is disposed between the bearing outer cover 2 and the bearing inner cover 9 and the shaft 1.
The sealing ring of the embodiment plays a sealing role between the bearing outer cover 2 and the bearing inner cover 9 and the shaft 1, so that the lubricating oil can not leak.
The other components and the composition are the same as those in the above embodiment.
The fourth concrete implementation mode: referring to fig. 1, the present embodiment further includes a nut 3, the nut 3 is screwed on the shaft 1, and the nut 3 is located between the oil slinger 8 and the bearing outer cover 2.
The nut of the present embodiment can limit the double row roller bearing 7, and ensure the axial position of the double row roller bearing 7.
Meanwhile, the shaft matched with the nut is provided with an external thread, so that the installation is convenient.
The other components and the composition are the same as those in the above embodiment.
The fifth concrete implementation mode: referring to fig. 1, the end cap 5 and the bearing seat 6 of the present embodiment are detachably connected by bolts 13.
This embodiment adopts the most traditional bolted connection mode, and this connected mode is simple, and is reliable, and convenient to detach is favorable to subsequent maintenance work to develop smoothly moreover.
The other components and the composition are the same as those in the above embodiment.
The sixth specific implementation mode: referring to fig. 1, the oil inlet 11 of the present embodiment includes a vertical inlet section 11-1, a horizontal inlet section 11-2, and an inclined inlet section 11-3, the vertical inlet section 11-1 is vertically provided on the bearing outer cover 2, the horizontal inlet section 11-2 is provided on the bearing outer cover 2 and the bearing seat 6, respectively, one end of the inclined inlet section 11-3 is connected to the horizontal inlet section 11-2, and the other end of the inclined inlet section 11-3 is connected to the middle of the double row roller bearing 7.
The oil inlet hole of the embodiment can adopt the simplest structural form, so that the production and the processing are convenient, the axial and longitudinal processing modes are adopted, meanwhile, the inclined inlet section 11-3 can be used for directly conveying lubricating oil into the double-row roller bearing 7 conveniently, the lubrication is simple, quick and direct, and the designed lubrication effect can be met.
The other components and the composition are the same as those in the above embodiment.
The seventh embodiment: referring to fig. 1, the inclined entry section 11-3 of the present embodiment is inclined downward and leftward.
The other components and the composition are the same as those in the above embodiment.
Example (b):
the double-row roller bearing 7 comprises a bearing seat 6, a bearing outer cover 2, a bearing inner cover 9, two oil throwers 8, an oil discharge box 4, an end cover 5, a sealing ring 12, a nut 3 and a bolt 13,
the double-row roller bearing 7 is sleeved on the shaft 1, two oil throwers 8 are respectively sleeved on the shaft 1 and positioned at the left side and the right side of the double-row roller bearing 7, the bearing seat 6 is sleeved on the double-row roller bearing 7, the bearing outer cover 2 and the bearing inner cover 9 are both sleeved on the shaft 1, the bearing outer cover 2 and the bearing inner cover 9 are respectively connected with the left side and the right side of the bearing seat 6, a sealing ring 12 is arranged between the bearing outer cover 2, the bearing inner cover 9 and the shaft 1, the oil discharge box 4 is arranged on the bearing outer cover 2, an oil discharge hole 10 is arranged on the bearing seat 6 positioned between the bearing outer cover 2 and the bearing inner cover 9, the oil discharge hole 10 is a long strip-shaped oil discharge hole which is inclined from left to right to upper, the oil discharge hole 10 is respectively communicated with the bearing outer cover 2 and the bearing inner cover 9, waste oil flows into the oil discharge box 4 after passing through the oil discharge hole 10 and the bearing outer cover 2, an oil inlet hole 11 is arranged between the upper bearing seat 6 of the bearing outer cover 2, the oil inlet hole 11 is connected with the middle part of the double-row roller bearing 7 to realize oil inlet in the middle part, the end cover 5 is installed on the bearing seat 6, the end cover 5 and the bearing seat 6 are detachably connected through a bolt 13, the nut 3 is screwed on the shaft 1, and the nut 3 is positioned between the oil thrower disc 8 and the bearing outer cover 2.
The oil inlet 11 of the embodiment comprises a vertical inlet section 11-1, a horizontal inlet section 11-2 and an inclined inlet section 11-3, wherein the vertical inlet section 11-1 is vertically arranged on a bearing outer cover 2, the horizontal inlet section 11-2 is respectively arranged on the bearing outer cover 2 and a bearing seat 6, one end of the inclined inlet section 11-3 is connected with the horizontal inlet section 11-2, the other end of the inclined inlet section 11-3 is connected with the middle part of a double-row roller bearing 7, and the inclined inlet section 11-3 inclines towards the lower left. The grease can be smoothly injected by the inclined entry section 11-3.
The outer ring of the double-row roller bearing 7 is arranged in a bearing sleeve 6, and the bearing sleeve 6 is arranged on the inner side of an end cover 5; the bearing inner race is fixed to the shaft 1 by a nut 3. Lubricating oil is injected into the double-row roller bearing 7 from the middle of the bearing through the bearing outer cover 2 and the bearing sleeve 6. The outside waste oil flows into the oil discharge box 4 through the outside oil thrower 8 and the bearing outer cover 2. The inner waste oil flows into the oil discharging box 4 through the inner oil thrower 8, the bearing inner cover 9, the oil discharging hole of the bearing sleeve 6 and the oil discharging hole of the bearing outer cover 2.
The principle of the invention is as follows:
the middle of the bearing is filled with oil, oil throwers are arranged on two sides of the bearing, and waste oil is discharged from two sides; the inner ring of the bearing is arranged on the shaft, the shaft is provided with threads, and the inner ring of the bearing is fixed on the shaft by utilizing a nut; the outer ring of the bearing is arranged in the bearing sleeve and is fixed by the baffle table of the bearing sleeve and the outer bearing cover. The waste grease on the outer side enters the outer cover of the bearing and flows into the oil discharge box. The waste grease on the inner side enters the bearing inner cover, the space of the inner cover is large, and a large amount of waste grease can be contained. The bottom of the bearing sleeve is provided with an oil discharge hole with an angle, the bottom of the bearing outer cover is provided with an oil discharge hole aligned with the bearing outer cover, and waste oil can flow into the oil discharge box through the inner cover, the bearing sleeve and the outer cover. The bearing with the structure can be fully lubricated, waste oil is easy to discharge, and an oil way is smooth.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a double-row roller bearing's double oil device of non-maintaining, it includes double-row roller bearing (7), its characterized in that: it also comprises a bearing seat (6), a bearing outer cover (2), a bearing inner cover (9), two oil throwers (8), an oil drain (4) and an end cover (5),
the double-row roller bearing (7) is sleeved on the shaft (1), two oil throwers (8) are respectively sleeved on the shaft (1) and positioned at the left side and the right side of the double-row roller bearing (7), the bearing seat (6) is sleeved on the double-row roller bearing (7), the bearing outer cover (2) and the bearing inner cover (9) are respectively sleeved on the shaft (1), the bearing outer cover (2) and the bearing inner cover (9) are respectively connected with the left side and the right side of the bearing seat (6), the oil discharge box (4) is installed on the bearing outer cover (2), an oil discharge hole (10) is formed in the bearing seat (6) positioned between the bearing outer cover (2) and the bearing inner cover (9), the oil discharge hole (10) is respectively communicated with the bearing outer cover (2) and the bearing inner cover (9), waste oil flows into the oil discharge box (4) after passing through the oil discharge hole (10) and the bearing outer cover (2) in the bearing inner cover (9), an oil inlet hole (11) is formed between the upper bearing seats (6) of the bearing outer covers (2), the oil inlet hole (11) is connected with the middle of the double-row roller bearing (7) to realize oil inlet at the middle, and the end covers (5) are installed on the bearing seats (6).
2. The maintenance-free double oil drain device of a double row roller bearing according to claim 1, characterized in that: the oil discharge hole (10) is a long strip-shaped oil discharge hole which is inclined from left to right and upwards.
3. The maintenance-free double oil drain device of a double row roller bearing according to claim 2, characterized in that: it also comprises a sealing ring (12), and a sealing ring (12) is arranged between the bearing outer cover (2) and the bearing inner cover (9) and the shaft (1).
4. The maintenance-free double oil drain device of a double row roller bearing according to claim 3, characterized in that: the oil thrower further comprises a nut (3), wherein the nut (3) is screwed on the shaft (1), and the nut (3) is located between the oil thrower disc (8) and the bearing outer cover (2).
5. The maintenance-free double oil drain device of a double row roller bearing according to claim 4, wherein: the end cover (5) is detachably connected with the bearing seat (6) through a bolt (13).
6. The maintenance-free double oil drain device of a double row roller bearing according to claim 5, characterized in that: the oil inlet hole (11) comprises a vertical inlet section (11-1), a horizontal inlet section (11-2) and an inclined inlet section (11-3), the vertical inlet section (11-1) is vertically arranged on the outer cover (2) of the bearing, the horizontal inlet section (11-2) is respectively arranged on the outer cover (2) of the bearing and the bearing seat (6), one end of the inclined inlet section (11-3) is connected with the horizontal inlet section (11-2), and the other end of the inclined inlet section (11-3) is connected with the middle part of the double-row roller bearing (7).
7. The maintenance-free double oil drain device of a double row roller bearing according to claim 6, wherein: the inclined entry section (11-3) is inclined to the lower left.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111366250.3A CN114135574A (en) | 2021-11-18 | 2021-11-18 | Maintenance-free double-oil-discharging device of double-row roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111366250.3A CN114135574A (en) | 2021-11-18 | 2021-11-18 | Maintenance-free double-oil-discharging device of double-row roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114135574A true CN114135574A (en) | 2022-03-04 |
Family
ID=80390179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111366250.3A Withdrawn CN114135574A (en) | 2021-11-18 | 2021-11-18 | Maintenance-free double-oil-discharging device of double-row roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114135574A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116398398A (en) * | 2023-04-20 | 2023-07-07 | 烟台东德氢能技术有限公司 | Crankshaft structure assembly of diaphragm compressor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005140160A (en) * | 2003-11-04 | 2005-06-02 | Nsk Ltd | Rolling bearing lubrication device |
| CN103047280A (en) * | 2012-12-03 | 2013-04-17 | 江苏航天动力机电有限公司 | Novel rolling bearing structure |
| CN203086275U (en) * | 2013-02-04 | 2013-07-24 | 西安泰富西玛电机有限公司 | Large-power motor's rolling bearing lubrication system |
| 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 |
| CN110855058A (en) * | 2019-12-26 | 2020-02-28 | 上海电气集团上海电机厂有限公司 | Oil injection and discharge structure of vertical 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 |
-
2021
- 2021-11-18 CN CN202111366250.3A patent/CN114135574A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005140160A (en) * | 2003-11-04 | 2005-06-02 | Nsk Ltd | Rolling bearing lubrication device |
| CN103047280A (en) * | 2012-12-03 | 2013-04-17 | 江苏航天动力机电有限公司 | Novel rolling bearing structure |
| CN203086275U (en) * | 2013-02-04 | 2013-07-24 | 西安泰富西玛电机有限公司 | Large-power motor's rolling bearing lubrication system |
| 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 |
| CN110855058A (en) * | 2019-12-26 | 2020-02-28 | 上海电气集团上海电机厂有限公司 | Oil injection and discharge structure of vertical 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116398398A (en) * | 2023-04-20 | 2023-07-07 | 烟台东德氢能技术有限公司 | Crankshaft structure assembly of diaphragm compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101594021B (en) | Injection-discharge oil device for lubrication of rotor bearing of high capacity motor | |
| CN111120389A (en) | Self-circulation thin oil lubricating bearing body of vertical pump | |
| CN114135574A (en) | Maintenance-free double-oil-discharging device of double-row roller bearing | |
| CN201462358U (en) | Low-voltage motor bearing oil filling and discharging device | |
| CN108612834A (en) | High-speed gear box duplex bearing lubrication system | |
| CN203352353U (en) | Bearing structure of double-fed wind-driven generator | |
| CN101552514A (en) | High-rotating-speed pulling motor | |
| CN106451893A (en) | Novel bearing chamber structure of motor | |
| CN103671558A (en) | Lubricating oil path structure of pitch-regulated bearing of wind-driven generator group | |
| CN215521662U (en) | Double-row tapered roller bearing lubricating structure | |
| CN202050316U (en) | High-power traction motor bearing lubricating structure | |
| CN110285212A (en) | A kind of circulation oil jet lubrication vertical speed reducer | |
| CN2926601Y (en) | Circulation lubricating bearing device | |
| CN201851636U (en) | Self-circulation thin oil lubricating system of square plansifter transmission device | |
| CN105179226A (en) | Vertical pump bearing oil lubrication structure | |
| CN201382011Y (en) | Exterior oil way system for centrifugal refrigerating compressor | |
| CN202768645U (en) | Combined and sealed bearing block | |
| CN205918634U (en) | Single -stage vertical centrifugal pump oil lubrication device | |
| CN205401098U (en) | Bearing oil lubricating structure for vertical pump | |
| CN109595194A (en) | A kind of bearing housing of the pump with disk injector | |
| CN208252739U (en) | Loading machine gearbox bearing of input shaft forced lubrication device | |
| CN209414422U (en) | A kind of motor of oil storage slow release lubricant | |
| CN202543435U (en) | Clamping roller bearing | |
| CN202789661U (en) | Bearing component for axial flow pump | |
| CN201581289U (en) | Large bearing type steel strander |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220304 |
|
| WW01 | Invention patent application withdrawn after publication |