CN108506355A - A kind of lubricating method of the water lubriucated bearing based on micro-droplet of oil lubrication start and stop protection - Google Patents
A kind of lubricating method of the water lubriucated bearing based on micro-droplet of oil lubrication start and stop protection Download PDFInfo
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- CN108506355A CN108506355A CN201810306181.9A CN201810306181A CN108506355A CN 108506355 A CN108506355 A CN 108506355A CN 201810306181 A CN201810306181 A CN 201810306181A CN 108506355 A CN108506355 A CN 108506355A
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- sliding bearing
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/02—Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact 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
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/109—Lubricant compositions or properties, e.g. viscosity
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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
- F16N15/00—Lubrication with substances other than oil or grease; Lubrication characterised by the use of particular lubricants in particular apparatus or conditions
- F16N15/04—Lubrication with substances other than oil or grease; Lubrication characterised by the use of particular lubricants in particular apparatus or conditions with water
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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
- F16N2210/00—Applications
- F16N2210/14—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
- F16N—LUBRICATING
- F16N2270/00—Controlling
- F16N2270/50—Condition
- F16N2270/52—Viscosity
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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
- F16N2270/00—Controlling
- F16N2270/70—Supply
Abstract
The invention belongs to sliding bearing design fields,It is related to a kind of lubricating method of the water lubriucated bearing based on micro-droplet of oil lubrication start and stop protection,First obtain the critical speed that oil mixing with water lubrication sliding bearing reaches liquid lubrication under the conditions of water lubrication,The rotating speed is set as bearing and completes the rated speed started,And rated speed is inputted in lubricating oils feed system,When oil mixing with water lubrication sliding bearing starts,Before the rotating speed of the bearing does not reach rated speed,Carry out micro fuel feeding,Carry out oil mixing with water lubrication,Reduction forms speed needed for liquid lubrication,Oil mixing with water lubrication sliding bearing is set to be in liquid lubrication state,When bearing remain in operation speed reach more than or equal to rated speed when,Fuel cut-off is lubricated using pure water,When equipment needs to stop,Bearing is set to be in the oil mixing with water stage,Reduce boundary lubrication,The duration of mixed lubrication,Until fuel cut-off when oil mixing with water lubrication sliding bearing stops operating,High lubricating effect.
Description
Technical field：
The invention belongs to sliding bearing design fields, and in particular to a kind of water profit based on micro-droplet of oil lubrication start and stop protection
The lubricating method of plain besring.
Background technology：
Bearing is widely used in the industry as the critical component in machine driving.In different operating condition middle (center) bearings
Load, rotating speed, temperature it is different, and also suffer from the influence of various impurity, therefore the design and lubricating system of bearing need root
Corresponding adjustment is made according to different operating environment.Traditional bearing lubrication needs to consume bulk petroleum money mostly using oil as lubricant medium
Source, and leak in order to prevent, bearing must also be sealed so that bearing arrangement is complicated.
To meet the continuous development of China's industrial technology and requiring the technology of marine engineering equipment and high performance ship,
The bearing life used in water for a long time and performance are improved with regard to most important.In order to overcome waste of the oil-lubricated bearing to resource
And the pollution of environment, occur the water lubriucated bearing using water as lubricant medium on the market.Relative to oil-lubricated bearing, water lubrication
Bearing have it is simple in structure, clean environment firendly, it is at low cost the features such as.But since the viscosity of water is low, the bearing capacity of moisture film is poor,
Under start and stop state and speed operation, water lubriucated bearing is in mixed lubrication even boundary lubrication condition, be easy to cause bearing material
Abrasion, seriously affects bearing service life and behavior in service.Therefore, a kind of water based on micro-droplet of oil lubrication start and stop protection is designed
Bearing is lubricated, suitable lubricating system can be chosen according to the different of bearing rotating speed, to improve the lubricant effect of bearing.
Coordinate characterization S0=viscositys × speed/load in this Trebek (stribeck) curve, i.e., in fluid lubrication
Suo Mofei (Sommerfeld) number, from stribeck curves, it can be seen that with abscissa S0Numerical value increase, rub
The gap h wiped between pair is continuously increased, and bearing lubrication state gradually becomes hydrodynamic lubrication, bearing profit from boundary lubrication, mixed lubrication
Slip can be promoted constantly.For water-lubricated slide bearing, since its load W and lubricant medium viscosity μ are certain, so S0With
The increase of bearing rotating speed, the oil film thickness in bearing are continuously increased, and lubricating status is transformed into mixing profit from boundary lubrication
It is sliding, then arrive liquid lubrication.Because bearing wear is serious under the conditions of boundary lubrication, mixed lubrication, therefore this spy can be passed through
In Bake (stribeck) curve can calculate a critical speed, when bearing rotating speed is less than this speed, at bearing
In boundary or mixed lubrication stage, it be easy to cause bearing material abrasion；Only when bearing rotating speed is higher than the speed, bearing is
It can be in liquid lubrication, friction pair could be effectively isolated by moisture film, form good lubrication, since the viscosity of water is low,
Dynamic viscosity ν=1.005 of water × 10^ (- 6) (m at 20 DEG C2/ s), the critical speed is higher, so in start and stop stage bearing
Time in boundary and mixed lubrication is longer, easily causes bearing wear, influences bearing life and performance.Therefore, prepared by design
A kind of lubricating method of the water lubriucated bearing based on micro-droplet of oil lubrication start and stop protection, can pass through mixed lubrication in start and stop
Mode is effectively protected bearing and reduces abrasion.
Invention content：
It is an object of the invention to overcome defect of the existing technology, seeks a kind of lubricated based on micro-droplet of oil of design and open
The lubricating method for stopping the water lubriucated bearing of protection, can be effectively protected bearing in start and stop by way of mixed lubrication
And reduce abrasion, high lubricating effect.
In order to achieve the above object, the technical solution adopted by the present invention is as follows：
The lubricating method of water lubriucated bearing based on micro-droplet of oil lubrication start and stop protection in the present invention is based on oil-water mixing
Come what is realized, the agent structure for the oil-water mixed lubrication sliding bearing being related to includes lubrication sliding bearing：Top chock, lower axle
Bearing, bushing, oil filler point, oil groove, shaft；Top chock and step middle are provided with the bushing of hollow cylinder structure,
It is evenly distributed with to store the oil groove of lubricant at the outer edge of bushing, shaft is installed in bushing, and shaft can be opposite
It is rotated in bushing, the upper left side of top chock is provided with oil filler point, and oil filler point is to tilt the cylindrical structure extended, oil filler point
Upper end is connect with lubricating oils feed system, to conveyor lubricant, the lower end of oil filler point extend in bushing and with bushing
Oil groove is connected to, and the lubricant of lubricating oils feed system can be made to pass through oil filler point, and lubricating oil is injected into shaft and bushing.
The lubricating system of oil-water mixed lubrication sliding bearing in the present invention is mainly water lubrication, during the work time,
Oil-water mixed lubrication sliding bearing is located in water environment, the lubrication side of the water lubriucated bearing based on micro-droplet of oil lubrication start and stop protection
Method specifically carries out in accordance with the following steps：
S1, it is surveyed using four-ball tester according to the load W of oil-water mixed lubrication sliding bearing and lubricant medium viscosity μ
This Trebek (stribeck) curve is obtained, reaches liquid under the conditions of water lubrication to obtain oil-water mixed lubrication sliding bearing
The rotating speed is set as bearing and completes the rated speed started, and rated speed is inputted and is moistened by the critical speed of body hydrodynamic lubrication
In lubricating oil agent feed system, when oil-water mixed lubrication sliding bearing starts, the rotating speed of oil-water mixed lubrication sliding bearing
Before not reaching rated speed, injection system is not up to the feedback of rated speed according to-water mixed lubrication sliding bearing, passes through note
Oilhole, oil groove make oil-water mixed lubrication sliding bearing be in oil-water mix stages to micro fuel feeding between bushing and shaft,
By improving the viscosity of lubricant medium, reduction forms speed needed for liquid lubrication, shortens boundary lubrication, mixed lubrication shape
The duration of state makes oil-water mixed lubrication sliding bearing be in liquid lubrication state, in startup stage to water lubrication
Bearing is protected, and bearing wear is reduced, and improves bearing life and performance；
S2, it is continuously improved and reaches more than or equal to rated speed when oil-water mixed lubrication sliding bearing speed that remains in operation
When, lubricating oils feed system has reached the feedback of rated speed according to-water mixed lubrication sliding bearing, fuel cut-off, this
When oil-water mixed lubrication sliding bearing be in pure water lubricating status；In this case, due to oil-water mixed lubrication sliding bearing
Rotating speed it is high, oil-water mixed lubrication sliding bearing is in the liquid lubrication stage, can form good lubrication, and can
Reduce pollution of the Grease relief to environment；
S3, when equipment needs to stop, the rotating speed of oil-water mixed lubrication sliding bearing is gradually reduced to less than specified turn
When fast, lubricating oils feed system has reached the feedback of rated speed according to-water mixed lubrication sliding bearing, passes through oiling
Hole, oil groove make oil-water mixed lubrication sliding bearing be in oil-water mix stages, subtract to micro fuel feeding between bushing and shaft
Few boundary lubrication, mixed lubrication duration, until fuel cut-off when oil-water mixed lubrication sliding bearing stops operating.
Further, oil-water mixed lubrication sliding bearing starts in the present invention, stop signal and shaft Rotating speed measring are adopted
It is obtained with the control system of commercially available ship or other machineries, or by turning what is connect with oil-water mixed lubrication sliding bearing
Installation speed sensor obtains on axis.
Further, the lubricating oil that oil-water mixed lubrication sliding bearing uses in the present invention selects commercially available lubricating oil or dynamic
Object oil or vegetable oil.
The present invention has an advantageous effect in that compared with prior art：By micro oil lubrication system, in the low speed of start and stop
Stage carries out fuel feeding to water-lubricated slide bearing, and that shortens water lubriucated bearing is in boundary lubrication, mixed lubrication time, increases
The duration of liquid lubrication state, the abrasion of bearing is reduced, service life and the behavior in service of bearing are improved.Together
When, due to only carrying out micro fuel feeding to bearing in the start and stop stage, supply time is short, and oil consumption is low, and can by using animal oil,
Vegetable oil reduces the pollution to environment, and agent structure is simple, and design concept is ingenious, and manufacturing cost is low, wide market.
Description of the drawings：
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the sectional view of the Section A-A of the present invention.
Fig. 3 is this Trebek (stribeck) curve graph of the present invention.
Specific implementation mode：
The invention will be further described by way of example and in conjunction with the accompanying drawings.
Embodiment 1：
The lubricating method of water lubriucated bearing based on micro-droplet of oil lubrication start and stop protection in the present embodiment is mixed based on oil-water
Lubrication sliding bearing is closed come what is realized, the agent structure for the oil-water mixed lubrication sliding bearing being related to includes：Top chock 1,
Step 2, bushing 3, oil filler point 4, oil groove 5, shaft 6；Top chock 1 and 2 middle of step are provided with hollow cylinder
The bushing 3 of structure is evenly distributed with to store the oil groove of lubricant at the outer edge of bushing 3, and shaft 6 is installed on bushing 3
In, shaft 6 can be rotated relative to bushing 3, and the upper left side of top chock 1 is provided with oil filler point 4, and oil filler point 4 is to tilt to extend
The upper end of cylindrical structure, oil filler point 4 is connect with lubricating oils feed system, to conveyor lubricant, the lower end of oil filler point 4
It extends in bushing 3 and is connected to the oil groove of bushing 35, the lubricant of lubricating oils feed system can be made to pass through oil filler point 4
Lubricating oil is injected into shaft 6 and bushing 3.
The lubricating system of oil-water mixed lubrication sliding bearing in the present embodiment is mainly water lubrication, in the course of work
In, oil-water mixed lubrication sliding bearing is located in water environment, the profit of the water lubriucated bearing based on micro-droplet of oil lubrication start and stop protection
Sliding method specifically carries out in accordance with the following steps：
S1, it is surveyed using four-ball tester according to the load W of oil-water mixed lubrication sliding bearing and lubricant medium viscosity μ
This Trebek (stribeck) curve is obtained, reaches liquid under the conditions of water lubrication to obtain oil-water mixed lubrication sliding bearing
The rotating speed is set as bearing and completes the rated speed started, and rated speed is inputted and is moistened by the critical speed of body hydrodynamic lubrication
In lubricating oil agent feed system, when oil-water mixed lubrication sliding bearing starts, the rotating speed of oil-water mixed lubrication sliding bearing
Before not reaching rated speed, injection system is not up to the feedback of rated speed according to-water mixed lubrication sliding bearing, passes through note
Oilhole 4, oil groove 5 make oil-water mixed lubrication sliding bearing be in oil-water mixing rank to micro fuel feeding between bushing 3 and shaft 6
Section, by improving the viscosity of lubricant medium, reduction forms speed needed for liquid lubrication, shortens boundary lubrication, mixing profit
The duration of sliding state, oil-water mixed lubrication sliding bearing is set to be in liquid lubrication state, in startup stage to water
Lubrication bearing is protected, and bearing wear is reduced, and improves bearing life and performance；
S2, it is continuously improved and reaches more than or equal to rated speed when oil-water mixed lubrication sliding bearing speed that remains in operation
When, lubricating oils feed system has reached the feedback of rated speed according to-water mixed lubrication sliding bearing, fuel cut-off, this
When oil-water mixed lubrication sliding bearing be in pure water lubricating status；In this case, due to oil-water mixed lubrication sliding bearing
Rotating speed it is high, oil-water mixed lubrication sliding bearing is in the liquid lubrication stage, can form good lubrication, and can
Reduce pollution of the Grease relief to environment；
S3, when equipment needs to stop, the rotating speed of oil-water mixed lubrication sliding bearing is gradually reduced to less than specified turn
When fast, lubricating oils feed system has reached the feedback of rated speed according to-water mixed lubrication sliding bearing, passes through oiling
Hole 4, oil groove 5 make oil-water mixed lubrication sliding bearing be in oil-water mixing rank to micro fuel feeding between bushing 3 and shaft 6
Section, reduce boundary lubrication, mixed lubrication duration, until oil-water mixed lubrication sliding bearing stops when stopping operating
Fuel feeding.
Further, in this embodiment oil-the startup of water mixed lubrication sliding bearing, stop signal and shaft Rotating speed measring
It is obtained using the control system of commercially available ship or other machineries, or by being connect with oil-water mixed lubrication sliding bearing
Installation speed sensor obtains in shaft.
Further, in this embodiment the lubricating oil that uses of oil-water mixed lubrication sliding bearing select commercially available lubricating oil or
Animal oil or vegetable oil.
Claims (3)
1. a kind of lubricating method of the water lubriucated bearing based on micro-droplet of oil lubrication start and stop protection, it is characterised in that this method is to be based on
Come what is realized, the agent structure for the oil-water mixed lubrication sliding bearing being related to includes oil-water mixed lubrication sliding bearing：Upper axis
Bearing, step, bushing, oil filler point, oil groove, shaft；Top chock and step middle are provided with hollow cylinder knot
The bushing of structure is evenly distributed with to store the oil groove of lubricant at the outer edge of bushing, and shaft is installed in bushing, shaft energy
Enough to be rotated relative to bushing, the upper left side of top chock is provided with oil filler point, and oil filler point is to tilt the cylindrical structure extended, oiling
The upper end in hole is connect with lubricating oils feed system, to conveyor lubricant, the lower end of oil filler point extend in bushing and with lining
The oil groove of set is connected to, and the lubricant of lubricating oils feed system can be made to pass through oil filler point, and lubricating oil is injected into shafts and bushing
In, the lubricating system of the oil-water mixed lubrication sliding bearing is mainly water lubrication, and during the work time, oil-water mixed lubrication is slided
Dynamic bearing is located in water environment, and the lubricating method of the water lubriucated bearing based on micro-droplet of oil lubrication start and stop protection is specifically according to following step
It is rapid to carry out：
S1, this is measured using four-ball tester according to the load W of oil-water mixed lubrication sliding bearing and lubricant medium viscosity μ
Trebek (stribeck) curve, to obtain oil-water mixed lubrication sliding bearing, that liquid is reached under the conditions of water lubrication is dynamic
The rotating speed is set as bearing and completes the rated speed started, and rated speed is inputted lubricating oil by the critical speed of pressure lubricating
In agent feed system, when oil-water mixed lubrication sliding bearing starts, the rotating speed of oil-water mixed lubrication sliding bearing does not reach
Before rated speed, injection system is not up to the feedback of rated speed according to-water mixed lubrication sliding bearing, passes through oil filler point, oil
Slot makes oil-water mixed lubrication sliding bearing be in oil-water mix stages, passes through raising to micro fuel feeding between bushing and shaft
The viscosity of lubricant medium, reduction form speed needed for liquid lubrication, shorten boundary lubrication, mixed lubricating state it is lasting when
Between, so that oil-water mixed lubrication sliding bearing is in liquid lubrication state, water lubriucated bearing is protected in startup stage
Shield reduces bearing wear, improves bearing life and performance；
S2, it is continuously improved and when reaching more than or equal to rated speed when oil-water mixed lubrication sliding bearing speed that remains in operation, profit
Lubricating oil agent feed system has reached the feedback of rated speed according to-water mixed lubrication sliding bearing, fuel cut-off, at this time oil-
Water mixed lubrication sliding bearing is in pure water lubricating status；In this case, due to the rotating speed of oil-water mixed lubrication sliding bearing
Height, oil-water mixed lubrication sliding bearing are in the liquid lubrication stage, can form good lubrication, and can reduce lubrication
Pollution of the oil discharge to environment；
S3, when equipment needs to stop, the rotating speed of oil-water mixed lubrication sliding bearing is gradually reduced to less than when rated speed,
Lubricating oils feed system has reached the feedback of rated speed according to-water mixed lubrication sliding bearing, passes through oil filler point, oil groove
To micro fuel feeding between bushing and shaft, oil-water mixed lubrication sliding bearing is made to be in oil-water mix stages, reduces boundary profit
Sliding, mixed lubrication duration, until fuel cut-off when oil-water mixed lubrication sliding bearing stops operating.
2. a kind of lubricating method of water lubriucated bearing based on micro-droplet of oil lubrication start and stop protection according to claim 1,
Be characterized in that oil-water mixed lubrication sliding bearing start, stop signal and shaft Rotating speed measring using commercially available ship or other
The control system of machinery obtains, or passes through the installation speed sensor in the shaft being connect with oil-water mixed lubrication sliding bearing
To obtain.
3. a kind of lubricating method of water lubriucated bearing based on micro-droplet of oil lubrication start and stop protection according to claim 1,
It is characterized in that the lubricating oil that oil-water mixed lubrication sliding bearing uses selects commercially available lubricating oil or animal oil or vegetable oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810306181.9A CN108506355B (en) | 2018-04-08 | 2018-04-08 | Lubricating method of water-lubricated bearing based on micro-oil drop lubrication start-stop protection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810306181.9A CN108506355B (en) | 2018-04-08 | 2018-04-08 | Lubricating method of water-lubricated bearing based on micro-oil drop lubrication start-stop protection |
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| CN108506355A true CN108506355A (en) | 2018-09-07 |
| CN108506355B CN108506355B (en) | 2019-12-31 |
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| CN201810306181.9A Active CN108506355B (en) | 2018-04-08 | 2018-04-08 | Lubricating method of water-lubricated bearing based on micro-oil drop lubrication start-stop protection |
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Cited By (6)
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| CN111947002A (en) * | 2020-08-20 | 2020-11-17 | 青岛理工大学 | Water-lubricated overload protection lubricating oil line supply system and overload protection method |
| CN112923226A (en) * | 2021-02-08 | 2021-06-08 | 青岛理工大学 | Micro-fluidic technology-based micro-oil drop supply system and auxiliary lubrication method thereof |
| CN113586923A (en) * | 2021-07-27 | 2021-11-02 | 武汉理工大学 | Automatic lubricant supply system for water-lubricated tail bearing of ship under low-speed working condition |
| CN113669375A (en) * | 2021-09-02 | 2021-11-19 | 武汉联影医疗科技有限公司 | Method, system and device for determining use condition of dynamic pressure sliding bearing |
| CN114183392A (en) * | 2021-11-10 | 2022-03-15 | 江苏大学 | Water lubrication bearing suitable for sea water desalination energy recovery all-in-one |
| CN114667401A (en) * | 2019-11-25 | 2022-06-24 | Zf 腓德烈斯哈芬股份公司 | Self-repairing sliding bearing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114667401A (en) * | 2019-11-25 | 2022-06-24 | Zf 腓德烈斯哈芬股份公司 | Self-repairing sliding bearing |
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| CN112923226B (en) * | 2021-02-08 | 2022-02-01 | 青岛理工大学 | Micro-fluidic technology-based micro-oil drop supply system and auxiliary lubrication method thereof |
| CN112923226A (en) * | 2021-02-08 | 2021-06-08 | 青岛理工大学 | Micro-fluidic technology-based micro-oil drop supply system and auxiliary lubrication method thereof |
| JP7466232B2 (en) | 2021-02-08 | 2024-04-12 | 青▲島▼理工大学 | Micro-oil droplet supply system based on microfluidics technology and auxiliary lubrication method thereof |
| CN113586923A (en) * | 2021-07-27 | 2021-11-02 | 武汉理工大学 | Automatic lubricant supply system for water-lubricated tail bearing of ship under low-speed working condition |
| CN113669375A (en) * | 2021-09-02 | 2021-11-19 | 武汉联影医疗科技有限公司 | Method, system and device for determining use condition of dynamic pressure sliding bearing |
| CN113669375B (en) * | 2021-09-02 | 2023-05-16 | 武汉联影医疗科技有限公司 | Method, system and device for determining use condition of dynamic pressure sliding bearing |
| CN114183392A (en) * | 2021-11-10 | 2022-03-15 | 江苏大学 | Water lubrication bearing suitable for sea water desalination energy recovery all-in-one |
| CN114183392B (en) * | 2021-11-10 | 2024-03-19 | 江苏大学 | Water lubrication bearing suitable for sea water desalination energy recovery all-in-one |
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