CN106438725A - Self-sucking type bearing lubricating device - Google Patents
Self-sucking type bearing lubricating device Download PDFInfo
- Publication number
- CN106438725A CN106438725A CN201610796876.0A CN201610796876A CN106438725A CN 106438725 A CN106438725 A CN 106438725A CN 201610796876 A CN201610796876 A CN 201610796876A CN 106438725 A CN106438725 A CN 106438725A
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- CN
- China
- Prior art keywords
- self
- bearing
- priming
- axle sleeve
- oil
- 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.)
- Pending
Links
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
- F16C37/00—Cooling of bearings
- F16C37/007—Cooling of bearings of rolling bearings
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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
- F16C33/667—Details of supply of the liquid to the bearing, e.g. passages or nozzles related to conditioning, e.g. cooling, filtering
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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
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
-
- 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
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/14—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means
- F16N7/16—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means the oil being carried up by a lifting device
- F16N7/18—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means the oil being carried up by a lifting device with one or more feed members fixed on a shaft
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention relates to a self-sucking type bearing lubricating device. The self-sucking type bearing lubricating device comprises a self-sucking shaft sleeve and a bearing, wherein the self-sucking shaft sleeve is fixed to the peripheral face of a transmission shaft in a sleeving manner and can axially rotate around the self-sucking shaft sleeve along with the transmission shaft, and the bearing is arranged on the peripheral face of the self-sucking shaft sleeve in a sleeving manner. A spiral oil sucking groove spirally elevating lubricating oil in an oil storage cavity in the lower end of the self-sucking shaft sleeve to the upper end of the self-sucking shaft sleeve is formed in the inner wall of the self-sucking shaft sleeve. The self-sucking shaft sleeve is further provided with an oil throwing channel throwing lubricating oil elevated to the upper end of the self-sucking shaft sleeve to the upper end face of the bearing. The self-sucking type bearing lubricating device is provided for vertical equipment, oil bath heat dissipation of the bearing is achieved, the cooling speed of the lubricating oil on the bearing is high, the cooling effect of the lubricating oil on the bearing is good, product input and using cost is low, and safety is high; and the service life of the bearing is greatly prolonged, and running stability of corresponding devices is greatly improved.
Description
Technical field
The present invention relates to bearing lubrication technical field of heat dissipation, is specifically related to a kind of self-priming bearing-lubricating device.
Background technology
Bearing heating is equipment analysis for Common Problems, takes which kind of mode to be lubricated radiating to bearing and directly affects
The service life of bearing and the run stability of equipment.Traditional approach is generally adopted for vertical equipment room temperature operating mode lower bearing
Grease lubrication, but which it is unfavorable for the radiating of bearing；Under worst hot case, bearing adopts fog lubrication, but due to dissipating
Hot limitation, can not often meet equipment use requirement, and relatively costly, be unfavorable for product promotion application.
Content of the invention
For solving above-mentioned technical problem, the invention provides a kind of self-priming bearing-lubricating device, the device is to bearing
Rate of cooling is fast, effect is good, and product puts into and use cost is cheap, safe.
For achieving the above object, technical scheme below present invention employs：
A kind of self-priming bearing-lubricating device, is fixed on power transmission shaft outer peripheral face and with power transmission shaft around itself including sheathed
The self-priming axle sleeve of axial rotation and the bearing being set on the self-priming axle sleeve outer peripheral face, the self-priming sleeve lining is provided with
Spiral form and the oil suction groove by self-priming axle sleeve lower end oil storage intracavity lubricating oil screw lifting to self-priming axle sleeve upper end, the self-priming
It is additionally provided with axle sleeve to get rid of the lubricating oil for being promoted to self-priming axle sleeve upper end and gets rid of oily passage to the bearing upper surface.
Further technical scheme, the oil suction groove is made up of the double spiral groove being arranged in parallel；Described get rid of oily passage along from
Inhale axle sleeve radial arrangement and the end with the oil suction groove communicates.
Further technical scheme, the power transmission shaft include fit with self-priming sleeve lining circumference the upper shaft part that arranges and
With the lower shaft part of self-priming sleeve lining gap arrangement, it is provided between the self-priming axle sleeve and the lower shaft part and the transmission
The coaxially arranged oil removal set of axle, the oil removal set lower end extends to self-priming axle sleeve outward and the bearing block lower end with the installation bearing
Sealing is fixing and forms the shoe cream room.
Further technical scheme, the bearing block upper end is fixed with bearing gland, and the bearing gland is provided with oil return
Passage, the bearing block is provided with the lower oil passage for communicating with the drainback passage, and the lubricating oil of the bearing upper surface is successively
It is back in the shoe cream room through drainback passage, lower oil passage.
Further technical scheme, the self-priming axle sleeve is provided with the shoulders being supported on the bearing upper surface, institute
State bearing lower surface and be disposed with and coordinate and for fixing the lower locking nut of the bearing with the self-priming axle sleeve outside wall surface screw thread,
The self-priming axle sleeve upper end is disposed with the upper locking nut being set on the power transmission shaft and for fixing the self-priming axle sleeve.
Further technical scheme, the drainback passage is along the power transmission shaft radial arrangement, and the lower oil passage is along vertical
Direction is arranged, the area of passage of the drainback passage is more than or equal to the area of passage of lower oil passage.
The beneficial effect of technique scheme is mainly reflected in the following aspects：
(1) the present invention be directed to vertical equipment and propose, it is achieved that the oil bath of bearing radiating, detailed process is：
The power transmission shaft drives the self-priming axle sleeve to rotate when rotating, self-priming axle sleeve oil suction groove formation spiral shell while rotation
The castering action for spinning up so that the lubricating oil of oil storage intracavity along the oil suction groove by screw lifting to self-priming axle sleeve upper end, so
Get rid of oily passage and got rid of to the bearing upper surface by described afterwards, the lubricating oil under gravity, is gone successively in bearing
Portion is lubricated and cools down and carry bearing running heat, then in being backflowed to the shoe cream room by bearing lower surface.The oil storage intracavity
Lubricating oil can be cooled to room temperature through extraneous cooling water tank, continue cycling through use so that lubricating oil reaches carries out dynamic to bearing
Hydronic effect.The rate of cooling of heretofore described bearing is fast, good cooling results, and product puts into and use cost is low
Honest and clean, safe, also substantially increase the service life of bearing and the run stability of corresponding equipment.
(2) double spiral groove causes screw lifting and reaches the amount of the lubricating oil of the bearing upper surface to be improved,
So that the lubrication speed of bearing is improved, lubrication effect is further strengthened.Described get rid of oily passage be located at from
Inhale on the wall of axle sleeve and radial arrangement along self-priming axle sleeve, such lubricating oil enter from oil suction groove end get rid of after oily passage can along from
Inhaling axle sleeve circumference to be thrown away by level, and freely fall on the bearing upper surface, lubricating oil is achieved to the clever structure to institute
State the self-service circulating cooling of bearing.
(3) on the one hand oil removal set of the present invention constitutes the cavity wall of the shoe cream room, on the other hand the oil removal set and suction
Oil groove collectively forms suction passage so that power transmission shaft is when rotating, it is easier to by the lubricating oil screw lifting to self-priming axle sleeve
Upper end, certain lubricating oil can also be brought to certainly from the gap between the oil removal set and self-priming axle sleeve under screw lifting effect
Inhale axle sleeve upper end.
(4) storage can be caused if excessive lubricating oil is accumulated in the cavity formed with bearing gland by the bearing upper surface
In oil pocket, lubricating oil cannot continue from self-priming axle sleeve lower end screw lifting to self-priming axle sleeve upper end and affect bearing cooling effect, institute
With the lubricating oil in order to discharge the accumulation of bearing upper surface, the present invention is provided with drainback passage on the bearing gland, the bearing
The lubricating oil that upper surface is accumulated oil passage is back in the shoe cream room and realizes lubricating oil flowing into from the drainback passage
Circulate.
(5) internal ring of the bearing is locked under the self-priming axle sleeve shoulders by the lower locking nut
Side, the self-priming axle sleeve itself is then positioned by the upper locking nut, and the upper locking nut can prevent self-priming axle sleeve
Along transmission shafts to being lifted up movement, the lower locking nut, upper locking nut guarantee the mounting stability of whole device with
And use reliability.
(6) as the drainback passage is radially arranged, flowing velocity of the lubricating oil in drainback passage is relatively
Slowly, the lower oil passage arranges along vertical, flowing velocity of the lubricating oil in lower oil passage is very fast, so corresponding return
The area of passage of oily passage will be set greater than the area of passage of the lower oil passage, can be smoothly unobstructed in order to lubricating oil
In backflowing to shoe cream room.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the axial cross section sectional view of self-priming axle sleeve in the present invention.
The implication of in figure label symbol is as follows：
10- power transmission shaft 20- self-priming axle sleeve 21- oil suction groove 22- gets rid of oily passage 23- shoulders
Oily passage under 30- bearing 40- shoe cream room 50- oil removal set 60- bearing block 61-
70- bearing gland 71- drainback passage 81- lower locking nut 82- upper locking nut
Specific embodiment
Construction featuress in conjunction with the description of the drawings present invention：
The present invention include to be sheathed on 10 outer peripheral face of power transmission shaft and with power transmission shaft 10 around itself axial rotation self-priming axle
Set 20 and the bearing 30 being set on 20 outer peripheral face of self-priming axle sleeve, 20 inwall of self-priming axle sleeve is provided with spiral form
And the oil suction groove 21 by lubricating oil screw lifting to 20 upper end of self-priming axle sleeve in 20 lower end shoe cream room 40 of self-priming axle sleeve, the self-priming
It is additionally provided with axle sleeve 20 to get rid of the lubricating oil for being promoted to 20 upper end of self-priming axle sleeve and gets rid of oily passage 22 to 30 upper surface of the bearing.
The present invention be directed to vertical equipment and propose, it is achieved that the oil bath of the bearing 30 radiating, concrete radiation processes are：The biography
Moving axis 10 drives the self-priming axle sleeve 20 to rotate when rotating, and while the self-priming axle sleeve 20 is rotated, the oil suction groove 21 is formed
Spiral castering action upwards so that the lubricating oil in shoe cream room 40 is along the oil suction groove 21 by screw lifting to self-priming axle sleeve 20
Upper end, is then got rid of to 30 upper surface of the bearing by the oily passage 22 that gets rid of, and the lubricating oil under gravity, continues
Enter to be lubricated inside bearing 30 and cool down and carry bearing running heat, then backflowed to the shoe cream room 40 by 30 lower surface of bearing
In.Lubricating oil in the shoe cream room 40 can be cooled to room temperature through extraneous cooling water tank, continue cycling through use so that lubricating oil
Reach carries out the effect of dynamic circulation cooling to bearing 30.The rate of cooling of heretofore described bearing 30 is fast, good cooling results,
Product puts into and use cost is cheap, safe, also substantially increases the service life of bearing 30 and the operating of corresponding equipment
Stability.
The oil suction groove 21 is made up of the double spiral groove being arranged in parallel；The oily passage 22 that gets rid of is along 20 radial direction cloth of self-priming axle sleeve
Put and communicate with the end of the oil suction groove 21.The double spiral groove causes screw lifting and reaches 30 upper surface of the bearing
The amount of lubricating oil is improved so that the lubrication speed of bearing 30 is improved, and lubrication effect obtains adding further
By force.The oily passage 22 that gets rid of is located on the wall of self-priming axle sleeve 20 and radial arrangement along self-priming axle sleeve 20, and such lubricating oil is from suction
21 end of oil groove enters after getting rid of oily passage 22 and can be thrown away by level along 20 circumference of self-priming axle sleeve, and freely falls on the bearing 30
On end face, self-service circulating cooling of the lubricating oil to the bearing 30 is achieved to the clever structure.
The power transmission shaft 10 include with 20 inwall of self-priming axle sleeve circumference fit arrange upper shaft part and with the self-priming axle
The lower shaft part of 20 inwall gaps arrangement is covered, is provided between the self-priming axle sleeve 20 and the lower shaft part coaxial with the power transmission shaft 10
The oil removal set 50 of arrangement, the oil removal covers 50 lower ends and extends to self-priming axle sleeve 20 outward and the bearing block 60 with the installation bearing 30
Lower end sealing is fixing and forms the shoe cream room 40.Oil removal of the present invention covers the chamber that 50 one side constitute the shoe cream room 40
Wall, on the other hand the oil removal set 50 and oil suction groove 21 collectively form suction passage so that power transmission shaft 10 is when rotating, it is easier to
By the lubricating oil screw lifting to 20 upper end of self-priming axle sleeve, certain lubricating oil can also under screw lifting effect from described every
Gap between oil jacket 50 and self-priming axle sleeve 20 is brought to 20 upper end of self-priming axle sleeve.
60 upper end of the bearing block is fixed with bearing gland 70, and the bearing gland 70 is provided with drainback passage 71, described
Bearing block 60 is provided with the lower oil passage 61 for communicating with the drainback passage 71, the lubricating oil of 30 upper surface of bearing warp successively
Cross drainback passage 71, lower oil passage 61 and be back to the shoe cream room 40.30 upper surface of the bearing is formed with bearing gland 70
Cavity in lubricating oil in shoe cream room 40 can be caused to continue from 20 lower end spiral shell of self-priming axle sleeve if excessive lubricating oil is accumulated
Rotation is promoted to 20 upper end of self-priming axle sleeve and affects bearing cooling effect, so for the lubrication for discharging the accumulation of 30 upper surface of bearing
Oil, the present invention is provided with drainback passage 71 on the bearing gland 70, and the lubricating oil that 30 upper surface of the bearing is accumulated is from described
Drainback passage 71 flows into lower oil passage 61 and is back in the shoe cream room 40 realizes circulating for lubricating oil.
The self-priming axle sleeve 20 is provided with the shoulders 23 being supported on 30 upper surface of the bearing, 30 lower end of the bearing
Face is disposed with and coordinates lower locking nut 81 for fixing the bearing 30 with 20 outside wall surface screw thread of the self-priming axle sleeve, described from
Inhale 20 upper end of axle sleeve and be disposed with the upper locking nut 82 being set on the power transmission shaft 10 and for fixing the self-priming axle sleeve 20.
The internal ring of the bearing 30 is locked below the self-priming axle sleeve shoulders 23 by the lower locking nut 81, described
Self-priming axle sleeve 20 itself is then positioned by the upper locking nut 82, and the upper locking nut 82 can prevent self-priming axle sleeve 20
Movement is lifted axially upwards along power transmission shaft 10, the lower locking nut 81, upper locking nut 82 guarantee that the installation of whole device is steady
Qualitative and use reliability.
The drainback passage 71 is along the power transmission shaft radial arrangement, and the lower oil passage 61 is arranged along vertical, described
The area of passage of drainback passage 71 is more than or equal to the area of passage of lower oil passage 61.As the drainback passage 71 is radially square
To arrangement, flowing velocity of the lubricating oil in drainback passage 71 is slower, and the lower oil passage 61 is arranged along vertical, institute
State flowing velocity of the lubricating oil in lower oil passage 61 very fast, so the area of passage of corresponding drainback passage 71 will be set greater than
The area of passage of the lower oil passage 61, in order to lubricating oil can be smoothly unobstructed backflow to shoe cream room.
Claims (6)
1. a kind of self-priming bearing-lubricating device, it is characterised in that：Including being sheathed on power transmission shaft (10) outer peripheral face and with power transmission shaft
(10) together around self-priming axle sleeve (20) and the bearing being set on self-priming axle sleeve (20) outer peripheral face of itself axial rotation
(30), described self-priming axle sleeve (20) inwall is provided with spiral form and by interior for self-priming axle sleeve (20) lower end shoe cream room (40) lubricating oil
The oil suction groove (21) of screw lifting to self-priming axle sleeve (20) upper end, is additionally provided with self-priming axle sleeve (20) and will be promoted to self-priming axle
The lubricating oil of set (20) upper end gets rid of and gets rid of oily passage (22) to the bearing (30) upper surface.
2. self-priming bearing-lubricating device as claimed in claim 1, it is characterised in that：Oil suction groove (21) are by being arranged in parallel
Double spiral groove constitute；Described get rid of oily passage (22) along self-priming axle sleeve (20) radial arrangement and the end with oil suction groove (21)
Communicate.
3. self-priming bearing-lubricating device as claimed in claim 1, it is characterised in that：Power transmission shaft (10) include and self-priming
The upper shaft part of axle sleeve (20) inwall circumference laminating arrangement and the lower shaft part with self-priming axle sleeve (20) inwall gap arrangement, institute
State and between self-priming axle sleeve (20) and the lower shaft part, be provided with the oil removal set (50) coaxially arranged with the power transmission shaft (10), described every
Oil jacket (50) lower end is extended to self-priming axle sleeve (20) outward and is fixed with bearing block (60) the lower end sealing for installing bearing (30)
And form the shoe cream room (40).
4. self-priming bearing-lubricating device as claimed in claim 3, it is characterised in that：Bearing block (60) upper end is fixed with
Bearing gland (70), bearing gland (70) are provided with drainback passage (71), and bearing block (60) are provided with and described time
Lower oil passage (61) that oily passage (71) communicate, the lubricating oil of bearing (30) upper surface sequentially pass through drainback passage (71),
Lower oil passage (61) is back in the shoe cream room (40).
5. self-priming bearing-lubricating device as claimed in claim 3, it is characterised in that：Self-priming axle sleeve (20) are provided with and prop up
Shoulders (23) of the support on the bearing (30) upper surface, bearing (30) lower surface is disposed with and the self-priming axle sleeve
(20) outside wall surface screw thread coordinates and for fixing the lower locking nut (81) of the bearing (30), self-priming axle sleeve (20) upper end
Being disposed with the power transmission shaft (10) is set in above and for fixing the upper locking nut (82) of self-priming axle sleeve (20).
6. self-priming bearing-lubricating device as claimed in claim 4, it is characterised in that：Drainback passage (71) are along the biography
Moving axis radial arrangement, lower oil passage (61) is arranged along vertical, the area of passage of drainback passage (71) more than or
Area of passage equal to lower oil passage (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610796876.0A CN106438725A (en) | 2016-08-31 | 2016-08-31 | Self-sucking type bearing lubricating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610796876.0A CN106438725A (en) | 2016-08-31 | 2016-08-31 | Self-sucking type bearing lubricating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106438725A true CN106438725A (en) | 2017-02-22 |
Family
ID=58163706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610796876.0A Pending CN106438725A (en) | 2016-08-31 | 2016-08-31 | Self-sucking type bearing lubricating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106438725A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949098A (en) * | 2017-05-02 | 2017-07-14 | 沈阳方大泵业有限公司 | Vertical pipeline mounted pump |
| CN108019373A (en) * | 2017-11-01 | 2018-05-11 | 沈阳鼓风机集团核电泵业有限公司 | Bearing automatic lubrication installation |
| CN108019610A (en) * | 2017-12-14 | 2018-05-11 | 哈尔滨理工大学 | Suction pump motor bearing lubrication system |
| CN112815014A (en) * | 2021-03-31 | 2021-05-18 | 东方电气集团东方电机有限公司 | Bearing cooling structure and wind driven generator |
| CN112944185A (en) * | 2021-01-28 | 2021-06-11 | 周啟高 | Automatic lubricant adding mechanism for rotating shaft |
| CN113236677A (en) * | 2021-05-28 | 2021-08-10 | 重庆水泵厂有限责任公司 | Bearing cooling and lubricating system and method |
| CN114123616A (en) * | 2021-12-22 | 2022-03-01 | 湖南耐普泵业股份有限公司 | Wet-type motor bearing cooling structure |
| CN114320995A (en) * | 2022-01-28 | 2022-04-12 | 浙江水泵总厂有限公司 | Bearing lubricating structure and barrel pump with same |
| CN116857288A (en) * | 2023-07-19 | 2023-10-10 | 中国航发沈阳发动机研究所 | Bearing seat cooling structure of main bearing of aero-engine |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949098A (en) * | 2017-05-02 | 2017-07-14 | 沈阳方大泵业有限公司 | Vertical pipeline mounted pump |
| CN106949098B (en) * | 2017-05-02 | 2023-09-12 | 沈阳方大泵业有限公司 | Vertical pipeline pump |
| CN108019373A (en) * | 2017-11-01 | 2018-05-11 | 沈阳鼓风机集团核电泵业有限公司 | Bearing automatic lubrication installation |
| CN108019610A (en) * | 2017-12-14 | 2018-05-11 | 哈尔滨理工大学 | Suction pump motor bearing lubrication system |
| CN108019610B (en) * | 2017-12-14 | 2020-08-25 | 哈尔滨理工大学 | Water pump motor bearing lubricating system |
| CN112944185A (en) * | 2021-01-28 | 2021-06-11 | 周啟高 | Automatic lubricant adding mechanism for rotating shaft |
| CN112815014B (en) * | 2021-03-31 | 2023-03-28 | 东方电气集团东方电机有限公司 | Bearing cooling structure and wind driven generator |
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| CN113236677B (en) * | 2021-05-28 | 2022-09-09 | 重庆水泵厂有限责任公司 | Bearing cooling and lubricating system and method |
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Application publication date: 20170222 |