CN100533103C - Long-life high-precision oil supply velocity testing method for bearing - Google Patents
Long-life high-precision oil supply velocity testing method for bearing Download PDFInfo
- Publication number
- CN100533103C CN100533103C CNB2007101931227A CN200710193122A CN100533103C CN 100533103 C CN100533103 C CN 100533103C CN B2007101931227 A CNB2007101931227 A CN B2007101931227A CN 200710193122 A CN200710193122 A CN 200710193122A CN 100533103 C CN100533103 C CN 100533103C
- Authority
- CN
- China
- Prior art keywords
- bearing
- test
- oil
- supply speed
- fueller
- 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.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 claims abstract description 18
- 230000001050 lubricating effect Effects 0.000 claims abstract description 13
- 238000013461 design Methods 0.000 claims abstract description 4
- 239000000446 fuel Substances 0.000 claims description 44
- 238000005461 lubrication Methods 0.000 claims description 23
- 239000010687 lubricating oil Substances 0.000 claims description 18
- 239000003921 oil Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 11
- 238000004364 calculation method Methods 0.000 claims description 5
- 238000002474 experimental method Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 claims description 4
- 230000007812 deficiency Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 230000009194 climbing Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000011160 research Methods 0.000 claims description 2
- 230000000153 supplemental effect Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000010998 test method Methods 0.000 abstract description 6
- 238000012795 verification Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Images
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
A method with long service life and high precision for testing a bearing oil supply speed comprises two paths of determining oil supply speed and determining delaying time; one path relates to determining delaying time-oil supply delaying design test-determining the delaying time-bearing lubricating verification test; the other path relates to determining oil supply speed-synchronous one-off oil supply test-synchronous oil supply path test-synchronous oil supply speed testing-returning and determining oil supply speed-bearing lubricating verification test. The test method can be applied in various bearing components with long service life and high precision to obtain the oil supply speed and time of an oil supplying device by the test method and meet the requirement of long service life of the bearings.
Description
Technical field
The invention belongs to the bearing test technical field, specially refer to a kind of bearing length life-span, high-precision oil supply velocity testing method.
Background technology
Domestic space flight field of bearings, the characteristics of bearing are that the load of being born is little, but require precision height, the life-span of bearing long, moment of friction is little and stable.The mode that this class bearing lost efficacy mainly is because in the long-term operation process, lubricating oil in the bearing produces volatilization and climbs and move, and makes the lubricating oil deficiency in the bearing, dry friction occurs, cause that bearing frictional torque increases and unstable, cause the precision forfeiture of bearing and lost efficacy.Therefore,, must design fueller bearing is replenished fuel feeding for guaranteeing the long-life of this class bearing, fuel delivery can not be excessive can not be too small, supply time can not too early can not be late excessively.
For guaranteeing its long-life, the continuous lubrication of bearing is more and more paid attention to, but, also do not had the complete experimental technique of a cover how determining the size of bearing supply time and oil-supply speed.
The present invention has designed test battery scheme and computing method according to the characteristics of space flight bearing fuel feeding, determines size and supply time to the oil-supply speed of bearing.
Summary of the invention
At above-mentioned weak point, the present invention proposes a kind of bearing length life-span, high-precision oil supply velocity testing method, determine size and supply time according to this method to the bearing oil-supply speed.
For achieving the above object, the present invention has adopted following technical scheme:
Described bearing length life-span, high-precision oil supply velocity testing method comprise that oil-supply speed is determined and delay time is determined two paths, one paths be delay time determine → fuel feeding time-delay design experiment → determine delay time → bearing lubrication demonstration test, another paths be oil-supply speed determine → it is synchronous that disposable fuel feeding test → fuel supply path test synchronously → oil-supply speed → bearing lubrication demonstration test is tested → determined to oil-supply speed synchronously; Wherein contained content division is as follows:
1) disposable fuel feeding test
Disposable fuel feeding test is meant bearing is not applied extraneous supplemental lubrication, only relies on lubricating oil film and the interior lubricating oil of retainer in the raceway, the time that test bearing runs well; According to the criterion of bearing failure, uninterrupted monitoring bearing was till losing efficacy in operation process; According to test findings, determine following content:
1., by testing and analyze the disposable lubricating life of determining at host work state lower bearing;
2., determine the size of oil-supply speed by test and analytical calculation;
3., determine the fuel feeding delay time by test and analytical calculation;
2) fuel supply path test
Fuel supply path test is meant fueller is installed on bearing or the bearing assembly, turns round according to the condition of work of bearing, and whether fuel feeding is to bearing from lubricating oil that fueller is confessed by analysis of experiments; By test and analysis, determine the size of fueller, thereby the fueller oil-supply speed is revised to the bearing fuel delivery to each position oil mass;
3) oil-supply speed test
In the fueller structure, the principal element that influences the fueller oil-supply speed is material, moulding process and the size of fuel feeding core valve, and because core valve discontinuity of material, its oil-supply speed of core valve of same material, technology and size is also inequality, therefore must carry out the test of oil-supply speed, main research contents comprises:
1., according to the oil-supply speed value, by testing material, moulding process and the physical dimension of determining the core valve;
2., determine to determine fueller oil-supply speed scope by testing because the unevenness of core valve causes the discrete range of oil-supply speed;
4) fuel feeding delay time test
Bearing is at the initial stage of running, and lubricating oil is more abundant, and fueller can not be to the bearing fuel feeding, otherwise bearing can since oil mass too much cause the moment increase and fluctuate; After time-delay a period of time, the lubricating oil in the bearing can occur climbing in operation process and moves and volatilize, and causes the deficiency of bearing lubrication, and fueller could be to the bearing fuel feeding; Therefore, be another gordian technique of fueller when to the bearing fuel feeding;
1., determine the delay time of fueller;
2., determine material, manufacturing process and the size of time delay ring;
3., carry out the delay time demonstration test;
5) bearing lubrication demonstration test
With the fueller of the determining good parameter bearing of packing into, carry out operational test according to the condition of work of bearing, treat that the disposable lubricating life time finishes after, the lubricating status in the bearing is assessed.
Because adopt aforesaid technical scheme, the present invention has following superiority:
This test method can be applicable in multiple model long-life, the high-precision bearing assembly, obtains the oil-supply speed and the supply time of fueller by this test method, satisfies the long-life requirement of bearing.
Description of drawings
Fig. 1 is a test method flow process frame diagram of the present invention;
Fig. 2 is the disposable fuel feeding test of a present invention test current curve map;
Fig. 3 is the disposable fuel feeding test bearing of a present invention oleaginousness curve map;
Fig. 4 is a time delay ring synoptic diagram of the present invention.
Embodiment
Fig. 1 is a test method flow process frame diagram of the present invention, and in oil supply velocity testing, what at first will determine is speed and two target components of delay time of fueller fuel feeding, and this can determine by disposable fuel feeding test.The disposable fuel feeding test that the main frame bearing is not added fueller is analyzed, according to its duration of runs and electric current drawing curve map as shown in Figures 2 and 3.
Fig. 2 is disposable fuel feeding test test current curve map, wherein X-axis and Y-axis are respectively electric current and time, I, II, four zones that surround of III, IV are expressed as the Different Lubrication Conditions Used of bearing respectively: bearing lubrication is fully distinguished, the not enough district of bearing lubrication equilibrium area, bearing lubrication, bearing lubrication destruction region, can find out that thus fueller should begin the bearing fuel feeding before the not enough district of bearing lubrication, on the Y-axis of correspondence, find out corresponding time point, promptly draw the fuel feeding delay time.
Fig. 3 is disposable fuel feeding test bearing oleaginousness curve map, wherein X-axis and Y-axis are respectively bearing oil waste and time, I, II, four zones that surround of III, IV are expressed as the Different Lubrication Conditions Used of bearing respectively: bearing lubrication is fully distinguished, the not enough district of bearing lubrication equilibrium area, bearing lubrication, bearing lubrication destruction region, the bearing oil waste mainly is in lubricated fully district as seen from Figure 3, shown in Fig. 3 dash area I, can draw the size of oil-supply speed so divided by the Y-axis time corresponding by the area of I; According to the time curve of Fig. 2 and Fig. 3, also can determine the disposable lubricating life of host work state lower bearing simultaneously.
The fueller that painted lubricating oil is housed is packed in the main frame, and by the running of certain hour, the transfer of lubricating oil can appear in the lubricating oil that fueller is confessed under action of centrifugal force, can stay painted lubricating oil on the path of shifting; Each parts of main frame running back dissembling inspection lubricating system are examined under a microscope pattern and the state of painted lubricating oil on each parts, reach the purpose of analyzing and verifying oil supply system fuel feeding route.
The control method of fueller oil-supply speed size can realize by changing wick valve sectional area; Minimum and uniform oil-supply speed is to the moment of friction and the not influence of temperature rise of bearing, and this is a key of guaranteeing bearing lubrication, and the size of determining the oil feeder oil-supply speed by test is the size of definite core valve sectional area in fact just; The calculating of fueller oil-supply speed is calculated divided by the time by its weight loss.
The fueller fuel feeding is delayed time and is realized by time delay ring, as shown in Figure 4; Time delay ring behind the immersion oil is packed in the supercentrifuge, carry out the centrifugal running of certain hour according to the host work rotating speed, the lubricating oil in the time delay ring can be thrown out of under action of centrifugal force.Get rid of in the oily process by to accurately the weighing of time delay ring at this, determine the dynamic saturated oleaginousness of time delay ring, remove and promptly draw the time delay ring oil-containing with oil-supply speed and reach dynamic saturated required time.The delay time of determining with disposable lubricating life is a target, and size, material, moulding process by test adjustment time delay ring reach the target component value.
With the fueller of the determining good parameter bearing of packing into, carry out operational test according to the condition of work of bearing, treat that the disposable lubricating life time finishes after, the lubricating status in the bearing is assessed.
Claims (1)
1, a kind of bearing length life-span, high-precision oil supply velocity testing method, it is characterized in that: comprise oil-supply speed and determine to determine two paths with delay time, one paths be delay time determine → fuel feeding time-delay design experiment → determine delay time → bearing lubrication demonstration test, another paths be oil-supply speed determine → it is synchronous that disposable fuel feeding test → fuel supply path test synchronously → oil-supply speed → bearing lubrication demonstration test is tested → determined to oil-supply speed synchronously; Wherein contained content division is as follows:
1) disposable fuel feeding test
Disposable fuel feeding test is meant bearing is not applied extraneous supplemental lubrication, only relies on lubricating oil film and the interior lubricating oil of retainer in the raceway, the time that test bearing runs well; According to the criterion of bearing failure, uninterrupted monitoring bearing was till losing efficacy in operation process; According to test findings, determine following content:
1., by testing and analyze the disposable lubricating life of determining at host work state lower bearing;
2., determine the size of oil-supply speed by test and analytical calculation;
3., determine the fuel feeding delay time by test and analytical calculation;
2) fuel supply path test
Fuel supply path test is meant fueller is installed on bearing or the bearing assembly, turns round according to the condition of work of bearing, and whether fuel feeding is to bearing from lubricating oil that fueller is confessed by analysis of experiments; By test and analysis, determine the size of fueller, thereby the fueller oil-supply speed is revised to the bearing fuel delivery to each position oil mass;
3) oil-supply speed test
In the fueller structure, the principal element that influences the fueller oil-supply speed is material, moulding process and the size of fuel feeding core valve, and because core valve discontinuity of material, its oil-supply speed of core valve of same material, technology and size is also inequality, therefore must carry out the test of oil-supply speed, main research contents comprises:
1., according to the oil-supply speed value, by testing material, moulding process and the physical dimension of determining the core valve;
2., determine to determine fueller oil-supply speed scope by testing because the unevenness of core valve causes the discrete range of oil-supply speed;
4) fuel feeding delay time test
Bearing is at the initial stage of running, and lubricating oil is more abundant, and fueller can not be to the bearing fuel feeding, otherwise bearing can since oil mass too much cause the moment increase and fluctuate; After time-delay a period of time, the lubricating oil in the bearing can occur climbing in operation process and moves and volatilize, and causes the deficiency of bearing lubrication, and fueller could be to the bearing fuel feeding; Therefore, be another gordian technique of fueller when to the bearing fuel feeding;
1., determine the delay time of fueller;
2., determine material, manufacturing process and the size of time delay ring;
3., carry out the delay time demonstration test;
5) bearing lubrication demonstration test
With the fueller of the determining good parameter bearing of packing into, carry out operational test according to the condition of work of bearing, treat that the disposable lubricating life time finishes after, the lubricating status in the bearing is assessed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101931227A CN100533103C (en) | 2007-11-30 | 2007-11-30 | Long-life high-precision oil supply velocity testing method for bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101931227A CN100533103C (en) | 2007-11-30 | 2007-11-30 | Long-life high-precision oil supply velocity testing method for bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101221090A CN101221090A (en) | 2008-07-16 |
| CN100533103C true CN100533103C (en) | 2009-08-26 |
Family
ID=39631065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101931227A Active CN100533103C (en) | 2007-11-30 | 2007-11-30 | Long-life high-precision oil supply velocity testing method for bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100533103C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426189A (en) * | 2011-10-21 | 2012-04-25 | 沈阳黎明航空发动机(集团)有限责任公司 | Bearing pulse detection method |
| CN104535322A (en) * | 2014-12-23 | 2015-04-22 | 马单 | One-time lubricating service life testing method of motor rotor bearing |
| CN112611522B (en) * | 2020-10-29 | 2022-10-14 | 北京控制工程研究所 | Oil reservoir micro-oil supply pre-screening method based on substitute fluid |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4728943A (en) * | 1984-04-06 | 1988-03-01 | Skf Industrial Trading & Development Co. B.V. | Means for determining the state of lubrication in surfaces lubricated by a lubricant and rolling or sliding with respect to one another |
| CN2386316Y (en) * | 1998-12-11 | 2000-07-05 | 刘余明 | Control device for automatic oil filling of bearings |
| CN2614287Y (en) * | 2001-12-28 | 2004-05-05 | 哈尔滨电机厂有限责任公司 | A hydrostatic bearing variation constant-current oil supply system |
-
2007
- 2007-11-30 CN CNB2007101931227A patent/CN100533103C/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4728943A (en) * | 1984-04-06 | 1988-03-01 | Skf Industrial Trading & Development Co. B.V. | Means for determining the state of lubrication in surfaces lubricated by a lubricant and rolling or sliding with respect to one another |
| CN2386316Y (en) * | 1998-12-11 | 2000-07-05 | 刘余明 | Control device for automatic oil filling of bearings |
| CN2614287Y (en) * | 2001-12-28 | 2004-05-05 | 哈尔滨电机厂有限责任公司 | A hydrostatic bearing variation constant-current oil supply system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101221090A (en) | 2008-07-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Gao et al. | Ball bearing skidding and over-skidding in large-scale angular contact ball bearings: Nonlinear dynamic model with thermal effects and experimental results | |
| Pouly et al. | Investigations on the power losses and thermal behaviour of rolling element bearings | |
| CN100533103C (en) | Long-life high-precision oil supply velocity testing method for bearing | |
| Kannel et al. | A simplified model of cage motion in angular contact bearings operating in the EHD lubrication regime | |
| Liebrecht et al. | Investigation of drag and churning losses on tapered roller bearings | |
| CN101860127B (en) | Running protecting and monitoring diagnosis system of motor | |
| CN111678684B (en) | Detection test method for optimal oil injection amount of lubricating oil of to-be-detected electric drive system | |
| Adeniyi et al. | A computational fluid dynamics simulation of oil–air flow between the cage and inner race of an aero-engine bearing | |
| Chen et al. | Intelligent bearing structure and temperature field analysis based on finite element simulation for sustainable and green manufacturing | |
| WO2011010208A1 (en) | Fluid level detection system | |
| Stelmakh et al. | An increase in tribocharacteristics for highly loaded friction units of modern equipment | |
| CN101818849B (en) | Oil storage and actively oil supply integrated device for space flywheel | |
| Anderson et al. | Effect of lubricant viscosity and type on ball fatigue life | |
| CN103235856A (en) | Hollow shaft type hydrostatic bearing dynamic designing method | |
| CN104634731B (en) | A kind of hydraulic loaded ball disc type bullet stream friction testing instrument | |
| CN204422389U (en) | A kind of hydraulic loaded ball disc type bullet stream friction testing instrument | |
| Pang et al. | Investigation on Lubrication State of Sliding Bearings in Low‐Speed Rotor System Subjected to Torque Load | |
| Maccioni et al. | CFD Insights into Gear Jet Lubrication: Exploring Objectives, Challenges, and Methodologies Through a Literature Review | |
| CN203798564U (en) | Supporting structure of test system for radial sliding bearing | |
| Pan et al. | Study on design and simulation of a novel isolator cylindrical roller bearing | |
| Xiao et al. | LS-DYNA-based simulation and multiple influencing factors analysis on skidding phenomenon of cylindrical roller bearing | |
| CN106709097B (en) | Simulation analysis method, device and system for bearing lubricating oil flow | |
| Wang et al. | Prediction of the friction torque in grease lubricated angular contact ball bearings using grey system theory | |
| Ashmore et al. | Hydrodynamic support and dynamic response for an inner-piloted bearing cage | |
| CN202500894U (en) | Maintenance-free sensitive rolling bearing for flow meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180509 Address after: 471000 No. 1 axis research road, Jianxi science and Technology Industrial Park, Luoyang, Henan Patentee after: Luoyang Bearing Research Institute Address before: No. 1, Jilin Road, Luoyang, Henan, Henan Patentee before: Zhouyan Science and Technology Co., Ltd., Luoyang |