CN101749530B - Method for confirming vacuum grease adding amount in spatial mechanism bearing - Google Patents
Method for confirming vacuum grease adding amount in spatial mechanism bearing Download PDFInfo
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- CN101749530B CN101749530B CN2008102046343A CN200810204634A CN101749530B CN 101749530 B CN101749530 B CN 101749530B CN 2008102046343 A CN2008102046343 A CN 2008102046343A CN 200810204634 A CN200810204634 A CN 200810204634A CN 101749530 B CN101749530 B CN 101749530B
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Abstract
The invention relates to a vacuum lubricating grease adding process and discloses a method for confirming vacuum grease adding amount in a spatial mechanism bearing, and the method comprises the following steps: 1) measuring and calculating the grease adding amounts of different schemes; 2) adding the grease according to different adding amounts; 3) measuring the transmission efficiency of a whole machine; 4) testing according to different grease adding amounts; and 5) comparing and optimizing the adding process schemes. By adopting the verification method of comparing the adding schemes, the grease adding effects can be reflected visually, thus solving the blindness problem of adding vacuum grease of the prior art and achieving accurate, visual and effective beneficial effects.
Description
Technical field
The present invention relates to vacuum grease fat filling technique, be specifically related to a kind of method of definite vacuum grease adding amount in spatial mechanism bearing.
Background technique
Spatial mechanism's working environment is special, and the lubricant grease to filling in bearing has special requirement.As used ultralow volatile vacuum grease guarantee, it works well, and the adding amount of strict control vacuum grease, guarantee that mechanism has good greasy property simultaneously.At present, the operation of domestic vacuum grease is still immature, in spatial mechanism, use in the process of vacuum grease, all there is no corresponding standard for adding amount, dosing method and working specification, the verification method that lacks vacuum grease adding technique,, there is certain blindness in filling experience and the detecting method of over-borrowing mirror conventional machinery product.
The invention provides a kind of method of definite bearing vacuum oil addition amount, can realize the test of vacuum grease greasy property in bearing, the quality of reflection bearing lubrication performance directly perceived, the impact of the different filling of contrast technique on the bearing-transmission performance, optimize filling technique.Do not find at present explanation or the report of technology similar to the present invention, not yet collect both at home and abroad similarly data yet.
Summary of the invention
In order to solve in the process of using vacuum grease in prior art spatial mechanism, all there is no corresponding standard for adding amount, dosing method and working specification, the problems such as verification method that lack vacuum grease adding technique, the object of the present invention is to provide a kind of method of definite vacuum grease adding amount in spatial mechanism bearing.Utilize method of the present invention, the bearing vacuum oil addition amount that can solve above-mentioned existence is difficult to quantitative problem, for the bearing vacuum oil addition amount of determining spatial mechanism has proposed a kind of verification method.
In order to reach the foregoing invention purpose, the present invention is a kind of method that technological scheme that its technical problem of solution adopts is to provide definite vacuum grease adding amount in spatial mechanism bearing, comprises the steps:
1) measure, calculate the oil addition amount of different schemes;
Utilize " equi-volume process " accurately to measure the remaining volume between bearing enclose; According to the density of selected vacuum grease, calculate the quality that different schemes should add grease injection again, and utilize precision weighing equipment to weigh corresponding grease;
2) add grease injection by different adding amounts;
Grease is divided into to some parts, utilizes filling tool that vacuum grease is evenly annotated between bearing enclose, and by the equal office of grease difference load bearings steel ring, more manually transport fat; Attention is inserted between Internal and external cycle by the grease of extruding again;
3) measure the transmission efficiency of complete machine;
Each bearing assemble of the vacuum grease of having annotated, to complete machine, is put into to vacuum tank, carry out the zero load fortune fat of 10～30min; Start testing apparatus, utilize magnetic powder brake to load, record electric current I, the voltage U of drive motor, record rotational speed omega and the torque M of driving mechanism output terminal simultaneously by speedometer and torque transducer,
According to formula:
Calculate the transmission efficiency of complete machine;
4) by different oil addition amounts, tested respectively;
After a kind of scheme is completed, pull down bearing, the grease of filling is cleaned up, according to the another kind of loading plan vacuum grease of again annotating, again transport fat; Under the condition of the transmission component state consistencies such as other gears, motor, by step 3) method continue test, computational efficiency;
5) contrast, the process program of preferably annotating.
By the efficiency data contrast of each scheme, determine the oil addition amount of bearing, optimize a kind of charging method that is applicable to this mechanism bearing.
The method of a kind of definite vacuum grease adding amount in spatial mechanism bearing of the present invention, owing to taking above-mentioned technological scheme, the transmission efficiency of the complete machine assembled by test bearing, embody intuitively the greasy property of the bearing of filling vacuum grease, can simply and effectively determine selected vacuum grease adding amount.And application of the present invention has versatility preferably, can meet determining of most of spatial mechanism middle (center) bearing adding amounts.Method of the present invention, be successfully applied to determining of bearing grease adding amount in a plurality of Space Products, and these products have completed thermal vacuum test and other tests, normal operation at present.Therefore, the invention solves the problem of prior art filling vacuum grease blindness, obtained the beneficial effects such as accurate, directly perceived, effective.
The accompanying drawing explanation
The block diagram of the method that Fig. 1 is a kind of definite bearing vacuum oil addition amount of the present invention;
The schematic diagram that Fig. 2 is the driving mechanism testing apparatus.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further detailed explanation.
The block diagram of a kind of method that accompanying drawing is definite bearing vacuum oil addition amount, comprise the steps:
1) measure, calculate the oil addition amount of different schemes.
Utilize " equi-volume process " accurately to measure the remaining volume between bearing enclose.Water is filled between bearing enclose, measured the volume of water with accurate measuring device, can draw the residual volume between bearing enclose.According to the density of selected vacuum grease, calculate the quality that different schemes should add grease injection again, and utilize precision weighing equipment to weigh corresponding grease.
2) add grease injection by different adding amounts.
Utilize filling tool that vacuum grease is evenly annotated between bearing enclose, grease is divided into to some parts, and by the equal office of grease difference load bearings steel ring.Manually transport again fat, guarantee that grease adheres to evenly between Internal and external cycle.Attention is inserted the grease of extruding between Internal and external cycle again, guarantees the accuracy of adding amount.
3) measure the transmission efficiency of complete machine.
Each bearing assemble of the vacuum grease of having annotated, to complete machine, is put into to vacuum tank, and carry out the zero load fortune fat of 10～30min, further guarantee the uniformity that each bearing internal grease is adhered to.Start testing apparatus, utilize magnetic powder brake to load, record electric current I, the voltage U of drive motor, record rotational speed omega and the torque M of driving mechanism output terminal by speedometer and torque transducer, as shown in Figure 2 simultaneously.
Can be according to formula:
Calculate the transmission efficiency of complete machine.
4) by different oil addition amounts, tested respectively.
After a kind of scheme is completed, pull down bearing, the grease of filling is cleaned up, according to the another kind of loading plan vacuum grease of again annotating, again transport fat.Guarantee the consistent of the transmission component states such as other gears, motor, by step 3 simultaneously) method continue test, computational efficiency.
5) contrast, the process program of preferably annotating.
Due to other driving component state consistencies, the variation of overall efficiency can be considered the variation of bearing-transmission efficiency, is also the variation that the different adding amounts of vacuum grease cause greasy property.By the efficiency data contrast of each scheme, can determine the oil addition amount of bearing, optimize a kind of charging method that is applicable to this mechanism bearing.
Above-mentioned steps 3) measure the transmission efficiency of complete machine, the driving mechanism testing apparatus adopted as shown in Figure 2, this step further comprises following step: by the bearing assemble of the vacuum grease of having annotated to tested driving mechanism, tested driving mechanism is placed in a vacuum tank, its output shaft connects vacuum tank outer speedometer and torque transducer by connecting rod, as load, test rotating speed and moment with a magnetic powder brake.
Apply method of the present invention, the bearing in certain spatial mechanism (tested driving mechanism) is carried out to oil addition according to different adding amounts, test again the transmission efficiency of complete machine under hot vacuum environment, finally contrast the test data of different adding amounts, verify the superiority-inferiority of oil addition technique, determine the adding amount of vacuum grease.Use proof, the present invention can intuitively reflect the quality of bearing lubrication performance, and the impact of the different filling of contrast technique on the bearing-transmission performance, optimize filling technique.
Claims (3)
1. the method for a definite vacuum grease adding amount in spatial mechanism bearing, is characterized in that, the method comprises the steps:
1) measure, calculate the oil addition amount of different schemes;
Utilize " equi-volume process " accurately to measure the remaining volume between bearing enclose; According to the density of selected vacuum grease, calculate the quality that different schemes should add grease injection again, and utilize precision weighing equipment to weigh corresponding grease;
2) add grease injection by different adding amounts;
Grease is divided into to some parts, utilizes filling tool that vacuum grease is evenly annotated between bearing enclose, and by the equal office of grease difference load bearings steel ring, more manually transport fat; By the grease of extruding, again insert between Internal and external cycle;
3) measure the transmission efficiency of complete machine;
The bearing assemble of the vacuum grease of having annotated, to complete machine, is put into to vacuum tank, carry out the zero load fortune fat of 10～30min; Start testing apparatus, utilize magnetic powder brake to load, record electric current I, the voltage U of drive motor, record rotational speed omega and the torque M of driving mechanism output terminal simultaneously by speedometer and torque transducer,
According to formula:
Calculate the transmission efficiency of complete machine;
4) by different oil addition amounts, tested respectively;
After a kind of scheme is completed, pull down bearing, the grease of filling is cleaned up, according to the another kind of loading plan vacuum grease of again annotating, again transport fat; Under the condition of gear, these transmission component state consistencies of motor, by step 3) method continue test, computational efficiency;
5) contrast, the process program of preferably annotating;
By the efficiency data contrast of each scheme, determine the oil addition amount of bearing, optimize a kind of charging method that is applicable to this mechanism bearing.
2. the method for definite vacuum grease adding amount in spatial mechanism bearing as claimed in claim 1, is characterized in that: the oil addition amount of described step 1) measuring, calculate different schemes; Described utilization " equi-volume process " comprising:
Water is filled between bearing enclose, measured the volume of water with accurate measuring device, draw the residual volume between bearing enclose; According to the density of selected vacuum grease, calculate the quality that different schemes should add grease injection again, and utilize precision weighing equipment to weigh corresponding grease.
3. the method for definite vacuum grease adding amount in spatial mechanism bearing as claimed in claim 1, it is characterized in that: the transmission efficiency of described step 3) measuring complete machine, further comprise following step: by the bearing assemble of the vacuum grease of having annotated to tested driving mechanism, tested driving mechanism is placed in a vacuum tank, its output shaft connects vacuum tank outer speedometer and torque transducer by connecting rod, as load, test rotating speed and moment with a magnetic powder brake.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008102046343A CN101749530B (en) | 2008-12-16 | 2008-12-16 | Method for confirming vacuum grease adding amount in spatial mechanism bearing |
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| CN2008102046343A CN101749530B (en) | 2008-12-16 | 2008-12-16 | Method for confirming vacuum grease adding amount in spatial mechanism bearing |
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| CN101749530A CN101749530A (en) | 2010-06-23 |
| CN101749530B true CN101749530B (en) | 2013-12-04 |
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| CN102889869A (en) * | 2012-10-19 | 2013-01-23 | 文山通用机械制造有限责任公司 | Simple measurement method of rolling bearing lubricating grease filling amount |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1342795A (en) * | 2001-10-16 | 2002-04-03 | 陆燕萍 | Autocontrol method and device for feeling lubricating oil to cylindrical knitting machine |
| CN1384274A (en) * | 2001-05-07 | 2002-12-11 | 曼B与W狄赛尔公司 | Method of injecting lubricant oil into cylinder of internal combustion engine |
| CN1661248A (en) * | 2004-02-23 | 2005-08-31 | 日本电产株式会社 | Method of charging dynamic-pressure bearing device with lubricating fluid, and method of inspecting dynamic-pressure bearing device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000081380A (en) * | 1998-09-04 | 2000-03-21 | Ishikawajima Harima Heavy Ind Co Ltd | Coating material-testing device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384274A (en) * | 2001-05-07 | 2002-12-11 | 曼B与W狄赛尔公司 | Method of injecting lubricant oil into cylinder of internal combustion engine |
| CN1342795A (en) * | 2001-10-16 | 2002-04-03 | 陆燕萍 | Autocontrol method and device for feeling lubricating oil to cylindrical knitting machine |
| CN1661248A (en) * | 2004-02-23 | 2005-08-31 | 日本电产株式会社 | Method of charging dynamic-pressure bearing device with lubricating fluid, and method of inspecting dynamic-pressure bearing device |
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| Title |
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| JP特开2000-81380A 2000.03.21 |
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