CN102519842A - Method and device for quickly testing low temperature torque and similar viscosity of oil - Google Patents

Method and device for quickly testing low temperature torque and similar viscosity of oil Download PDF

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Publication number
CN102519842A
CN102519842A CN2011103895359A CN201110389535A CN102519842A CN 102519842 A CN102519842 A CN 102519842A CN 2011103895359 A CN2011103895359 A CN 2011103895359A CN 201110389535 A CN201110389535 A CN 201110389535A CN 102519842 A CN102519842 A CN 102519842A
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Prior art keywords
low temperature
test
torque
similar viscosity
pin
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CN102519842B (en
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张占英
侯剑平
高秋芬
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Baoding Great Machinery Co ltd
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Great Wall Motor Co Ltd
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Abstract

The invention discloses a method and a device for quickly testing a low temperature torque and similar viscosity of oil, and aims to solve the problems of high cost and long test period for testing the low temperature torque and the similar viscosity of the oil. According to the method, the device for testing the low temperature torque and the similar viscosity of the oil is used as a tester. The method comprises the following steps of: (a) preparing a test; (b) treating at low temperature; (c) testing; and (d) judging a test result. The invention also provides the device for testing the low temperature torque and the similar viscosity of the oil. According to the method and the device, a complicated test technology is converted into a detection method suitable for production enterprises; the detection method is quick, and is easy to implement; and a detection device is low in cost and easy to manufacture. By using the method and the device, data of corresponding products can be acquired and analyzed; an applicable judgment standard is constructed; and applicable oil is selected.

Description

Test the method and the device of oil at low temperature torque and similar viscosity fast
Technical field
The present invention relates to a kind of measuring technology, particularly test the method and the used device of this method of oil at low temperature torque and similar viscosity fast.
Background technology
Automobile-used ball pin product and transmission all need adopt grease lubrication, and the said goods is returning after sale in the part, find sometimes to use under the situation that temperature is lower in the winter time because the cryogenic property of grease is relatively poor, cause ball pin or transmission the heavy phenomenon of action to occur.Be head it off, need test, to confirm the cryogenic property of grease the low temperature torque and the similar viscosity of grease.At present, the low temperature torque of grease and similar viscosity test must be carried out on the testing apparatus of special use, and general manufacturing enterprise does not have above-mentioned test condition, all is usually to detect outside the grease of needs test is entrusted.Because of experimentation cost is high, the test period is long, so that can't can both carries out cryogenic property to every kind of grease and detect.
Summary of the invention
Technical matters to be solved by this invention is to overcome the defective of prior art and method and device that low, simple and easy to do quick test oil at low temperature torque of a kind of experimentation cost and similar viscosity are provided.
The alleged problem of the present invention is solved by following technical scheme:
A kind of quick test oil at low temperature torque method, its special feature are that it utilizes test oil at low temperature torque fast and similar viscosity device to carry out for testing tool and according to following steps:
A. test is prepared: selecting ball bearing is the carrier bearing, and grease to be tested is filled up between the carrier bearing enclose in the space, the carrier bearing is installed on the low temperature torque testing assembly of said device;
B. sub zero treatment: low temperature torque testing assembly is put into cryogenic box, configure the temperature-30 ± 0.5 ℃ of cryogenic box, reached after the temperature of setting constant temperature 2 hours;
C. test: take out low temperature torque testing assembly from cryogenic box; This assembly is fixed on the said device; Actuating motor, the carrier bearing inner race rotates under driven by motor, and the carrier shaft bearing outer-ring is the companion rotation under the effect of low temperature grease; By the torque of moment table test carrier bearing outer ring, and note torque data;
D. test result is judged: if tested oil at low temperature torque meets the following conditions: staring torque :≤0.21Nm and
Stable rotation moment :≤0.15Nm judges that this oil at low temperature torque meets the requirements, and can use.
Above-mentioned quick test oil at low temperature torque method, said motor speed is 6 ± 0.5 commentaries on classics/min.
Above-mentioned quick test oil at low temperature torque method, said carrier bearing is a D204 type single-row radial ball bearing.
A kind of quick test oil at low temperature similar viscosity method, its special feature are that it utilizes test oil at low temperature torque fast and similar viscosity device to carry out for testing tool and according to following steps:
A. test is prepared: the ring flange that selection has ring groove is a test carrier; Grease to be tested is filled up in the ring groove of ring flange; Ring flange is installed on the low temperature similar viscosity test suite of said device; Wherein, the test of this assembly is dialled pin and is probeed in the tested grease, the center of rotation of said group of pin and the coaxial setting of the center of rotation of ring flange;
B. sub zero treatment: low temperature similar viscosity test suite is put into cryogenic box, configure the temperature-30 ± 0.5 ℃ of cryogenic box, reached after the temperature of setting constant temperature 2 hours;
C. test: take out low temperature similar viscosity test suite from cryogenic box; This assembly is fixed on the said device; Actuating motor, ring flange is active rotation under driven by motor, and pin companion rotation under the effect of low temperature grease is dialled in test; Dial the torque of pin by the test of moment table, and note torque data;
D. test result is judged: if the similar viscosity of tested oil at low temperature meets the following conditions: stable rotation moment :≤0.18Nm judges that the similar viscosity of this oil at low temperature meets the requirements, and can use.
Above-mentioned quick test oil at low temperature similar viscosity method: 10 millimeters of said ring flange ring-shaped groove groove depths, 10 millimeters of groove widths are dialled 3 millimeters of pin diameters, dial pin and probe into 8 millimeters of the grease degree of depth.
The device of torque of a kind of quick test oil at low temperature and similar viscosity; Its special feature is: it comprises that base plate, first connects axle, second and connects axle, motor, moment table, moment table bracing frame and low temperature torque testing assembly, low temperature similar viscosity test suite; Said first connect the axle, second connect the axle be fixed on the base plate, motor is fixed on first through motor fixing plate and connects on the axle; Said moment table bracing frame is fixed on second and connects on the axle, and said moment table support end is supported by moment table bracing frame; Said low temperature torque testing assembly, low temperature similar viscosity test suite include turning axle, and said turning axle docks with motor output shaft.
The device of torque of above-mentioned quick test oil at low temperature and similar viscosity; Said low temperature torque testing assembly comprises carrier shaft bearing, gland, carrier bearing; Said carrier bearing is positioned at the carrier shaft bearing; Carrier bearing inner race bottom is locked by clamp nut by shaft shoulder support, the top of turning axle, and said gland and carrier shaft bearing are fixed, and the gland top is provided with attachment screw; Said moment table test lead is connected with attachment screw through adapter sleeve.
The device of torque of above-mentioned quick test oil at low temperature and similar viscosity; Said low temperature similar viscosity test suite comprises ring flange, group pin spring bearing, group pin supporting bearing base, group pin linking arm that is provided with ring groove and dials pin; Said ring flange is fixed on the turning axle, and said group of pin spring bearing, group pin supporting bearing base are positioned at the turning axle upper end successively, and said group of pin linking arm one end fixed with group pin supporting bearing base; The fixing pin of dialling of the other end is dialled the ring groove that the pin bottom is arranged in ring flange.
The above-mentioned device that is used for testing fast oil at low temperature torque and similar viscosity; Said moment table bracing frame comprises joint and stay fork; Joint bottom and second connects male thread and is connected; Joint top is provided with groove, and the stay fork bottom is positioned at groove, and stay fork top is provided with the support slot with moment table support end coupling.
The present invention is directed to oil at low temperature torque and similar viscosity testing cost height, long problem of test period, design a kind of isolated plant and the method for utilizing this device to test oil at low temperature torque and similar viscosity.This method is according to the test philosophy of oil at low temperature torque and similar viscosity; The measuring technology of complicacy is converted into the detection method that is suitable for manufacturing enterprise's use; Utilize this device to detect one by one enterprise's ball pin product and the used grease of transmission fast and effectively; Detection method is quick, easy to be implemented, and the pick-up unit cost is low, easy to be made.Utilize the present invention, can set up the criterion that is suitable for, select the grease that is suitable for through collection and analysis to the corresponding product data.
Description of drawings
Fig. 1 is the structural representation that apparatus of the present invention are installed low temperature torque testing assembly;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the partial enlarged view of Figure 1A portion;
Fig. 4 is the structural representation that apparatus of the present invention are installed low temperature similar viscosity test suite;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is the partial enlarged view of Fig. 4 B portion
Fig. 7 is the synoptic diagram of joint
Fig. 8 is the stay fork synoptic diagram.
Label is represented as follows in the accompanying drawing: 1. base plate; 2. first connect axle; 3. motor fixing plate; 4. motor; 5. motor output shaft; 6. turning axle; 7. adapter sleeve; 8. moment table; 8-1. moment table four directions tenon; 9. stay fork; 9-1. support slot; 10. joint; 10-1. groove; 11. second connects axle; 21. carrier shaft bearing; 22. carrier bearing; 23. gland; 24. attachment screw; 25. clamp nut.31. ring flange; 32. ring groove; 33. dial pin; 34. dial the pin linking arm; 35. dial the pin supporting bearing base; 36, dial the pin spring bearing.
Embodiment
The inventive method is carried out on the present invention's custom-designed quick test oil at low temperature torque and similar viscosity device.
Referring to Fig. 1, Fig. 4, apparatus of the present invention comprise that base plate 1, first connects axle 2, second and connects axle 11, motor 4, moment table 8, moment table bracing frame and low temperature torque testing assembly, low temperature similar viscosity test suite.First connects that axle is provided with two, they connect and spool be isosceles triangle and be fixed on the base plate with second, and motor is fixed on two first through motor fixing plate 3 and connects on the axle; The moment table bracing frame of being made up of joint 10, stay fork 9 is fixed on second and connects on the axle; Moment table 8 support end (right-hand member) is supported by stay fork; Said low temperature torque testing assembly, low temperature similar viscosity test suite include turning axle 6, and this turning axle docks with motor output shaft 5.
Apparatus of the present invention are installed different test suites when the low temperature grease being carried out the disparity items test, said low temperature torque testing assembly is referring to Fig. 1-3.Low temperature torque testing assembly comprises carrier shaft bearing 21, gland 23, carrier bearing 22.The carrier bearing is positioned at the carrier shaft bearing, and carrier bearing inner race bottom is locked by clamp nut 25 by shaft shoulder support, the top of turning axle 6; Said gland 23 is fixed with the carrier shaft bearing, and the gland bottom is pressed on the outer ring of carrier bearing, and the gland top is provided with attachment screw 24, and adapter sleeve 7 is connected the moment table four directions tenon 8-1 of moment table test lead with attachment screw.
Referring to Fig. 4-6; Said low temperature grease similar viscosity test suite comprises ring flange 31, group pin spring bearing 36, group pin supporting bearing base 35, group pin linking arm 34 that is provided with ring groove 32 and dials pin 33; Said ring flange is fixed on the turning axle 6; The said group of pin spring bearing, dial the pin supporting bearing base and be positioned at turning axle top successively, dialling the pin spring bearing, dialling the pin supporting bearing base is to dial pin rotary resistance resistance and approach zero, improve the test levels of precision and be provided with in order to make; Said group of pin linking arm one end fixed with dialling the pin supporting bearing base, and the fixing pin of dialling of the other end is dialled the ring groove that the pin bottom is arranged in ring flange.
Referring to Fig. 1, Fig. 4, Fig. 7, Fig. 8, said moment table bracing frame comprises joint 10 and stay fork 9, and joint bottom and second connects axle 11 and is threaded, the nut of releasable joint bottom, and swivel adapter head can be adjusted the height of joint, to guarantee the level of moment table 8.Joint top is provided with groove 10-1, and the stay fork bottom is positioned at groove, and stay fork top is provided with the support slot 9-1 with moment table support end size match.
Below in conjunction with embodiment and accompanying drawing the inventive method is detailed.
Embodiment 1; Fast test oil at low temperature torque: referring to Fig. 1, Fig. 3, selecting a qualified D204 type single-row radial ball bearing that cleans up and dry processing is the carrier bearing, and grease to be tested is filled up between the carrier bearing enclose in the space; Select low temperature torque testing assembly then for use; Carrier bearing 22 is put into carrier shaft bearing 21, install turning axle 6, and gland 23 and carrier shaft bearing are fixed; The gland upper end is screwed into attachment screw 24.After preliminary work is carried out, the low temperature torque testing assembly that assembles is put into low-temperature test chamber, the temperature that configures cryogenic box is-30 ± 0.5 ℃, reaches after the temperature of setting constant temperature 2 hours; Take out low temperature torque testing assembly; Fast motor output shaft 5 is docked with turning axle 6; Cubic tenon 8-1 with the moment table 8 of 0~1.8NM is connected with attachment screw 24 through adapter sleeve 7 then, and the support end of moment table 8 is fixed on the joint 10 through stay fork 9, and the moment table is adjusted to level; Energized, motor is with the inner ring uniform rotation of the speed drive carrier bearing 22 of 6 ± 0.5 commentaries on classics/min, and then with the outer ring of transmission of power to the carrier bearing, rotate thereupon the outer ring through grease in the rotation of inner ring; Because carrier shaft bearing 21, gland 23 are fixed with the outer ring of carrier bearing, so this power finally is delivered on the moment table 8 the indicator rotation of drive moment table through attachment screw 24 adapter sleeves 7 on the gland 23; Because this moment passes over through the low temperature grease, so the numerical value of above the moment table, reading is the low temperature torque of grease.Note the staring torque and the stable rotation moment numerical value that are shown on the moment table; According to ball pin and long-term relevant data aggregation and the test data analyzer of using of transmission product are judged; If tested oil at low temperature torque meets the following conditions: staring torque≤0.21Nm and stable rotation moment :≤0.15Nm; Judge that this oil at low temperature torque meets the requirements, and can use.
Embodiment 2; Test the oil at low temperature similar viscosity fast: referring to Fig. 4, Fig. 6, select low temperature similar viscosity test suite for use, the ring flange 31 that will have groove 32 cleans up and dries; Add the grease of similar viscosity to be measured in the groove; Requirement is added and is completely added reality, does not allow hollow position, and end face is used doctor blade; Ring flange is installed on the turning axle 6 locking clamp nut 25; To dial pin spring bearing 36, dial pin supporting bearing base 35 and be installed to the turning axle upper end successively; The pin spring bearing is dialled in locking; To dial the pin linking arm by attachment screw 24 then is fixed on group pin supporting bearing base 35; The ring groove degree of depth is 10 millimeters of 10 millimeters, broadband, dials 3 millimeters of pin diameters, and dialling the degree of depth that pin probes into ring groove is 8 millimeters; Whether inspection is dialled the pin spring bearing and is rotated flexibly, does not allow any choking phenomenon, if discovery has problem in time to change, dials the pin spring bearing and plays the supplemental support effect, dumb as if rotating, and can directly influence precision of test result; After preliminary work is carried out, the low temperature similar viscosity test suite that has assembled is put into low-temperature test chamber, the temperature that configures cryogenic box is-30 ± 0.5 ℃, reaches after the temperature of setting constant temperature 2 hours; Take out low temperature similar viscosity test suite, fast motor output shaft 5 is docked with turning axle 6; The cubic tenon 8-1 of the moment table 8 of 0~1.8NM is connected with attachment screw 24 through adapter sleeve 7, and the support end of moment table 8 is fixed on the joint 10 through stay fork 9, and the moment table is adjusted to level.Starter motor drives ring flange 7 uniform rotation with the speed of 6 ± 0.5 commentaries on classics/min; When then ring flange rotates by the low temperature grease with transmission of power to group pin; Dial pin in company with rotation; Dial pin 33 rotational powers and finally be delivered on the moment table 8 through group pin arm 34, attachment screw 24, adapter sleeve 7, the indicator that drives the moment table rotates, and the numerical value of reading on the moment table is the similar viscosity of tested oil at low temperature.Note the stable rotation moment numerical value that is shown on the moment table; According to ball pin and long-term user mode relevant data collection of transmission product and test data analyzer judgement; If the similar viscosity of tested oil at low temperature meets the following conditions: stable rotation moment :≤0.18Nm; Judge that then the similar viscosity of this oil at low temperature meets the requirements, and can use.
This device to test result and the legal testing agency test oil at low temperature torque table of comparisons
Figure 289253DEST_PATH_IMAGE001
From last table, can find out; Staring torque, the stable rotation moment numerical value of measuring when this device is controlled at respectively≤0.21Nm and≤during 0.15Nm; The measured value that actual corresponding legal testing agency tests all surpasses this control criterion; This explanation as long as grasp by this standard, then can reach designing requirement fully in fact producing.

Claims (9)

1. test oil at low temperature torque method fast for one kind, it is characterized in that, its utilizes test oil at low temperature torque fast and similar viscosity device to carry out for testing tool and according to following steps:
A. test is prepared: selecting ball bearing is the carrier bearing, and grease to be tested is filled up between the carrier bearing enclose in the space, the carrier bearing is installed on the low temperature torque testing assembly of said device;
B. sub zero treatment: low temperature torque testing assembly is put into cryogenic box, configure the temperature-30 ± 0.5 ℃ of cryogenic box, reached after the temperature of setting constant temperature 2 hours;
C. test: take out low temperature torque testing assembly from cryogenic box; This assembly is fixed on the said device; Actuating motor, the carrier bearing inner race rotates under driven by motor, and the carrier shaft bearing outer-ring is the companion rotation under the effect of low temperature grease; By the torque of moment table test carrier bearing outer ring, and note torque data;
D. test result is judged: if tested oil at low temperature torque meets the following conditions: staring torque :≤0.21Nm and
Stable rotation moment :≤0.15Nm judges that this oil at low temperature torque meets the requirements, and can use.
2. quick test oil at low temperature torque method according to claim 1, it is characterized in that: said motor speed is 6 ± 0.5 commentaries on classics/min.
3. quick test oil at low temperature torque method according to claim 1 and 2, it is characterized in that: said carrier bearing is a D204 type single-row radial ball bearing.
4. test oil at low temperature similar viscosity method fast for one kind, it is characterized in that, its utilizes test oil at low temperature torque fast and similar viscosity device to carry out for testing tool and according to following steps:
A. test is prepared: the ring flange that selection has ring groove is a test carrier; Grease to be tested is filled up in the ring groove of ring flange; Ring flange is installed on the low temperature similar viscosity test suite of said device; Wherein, the test of this assembly is dialled pin and is probeed in the tested grease, the center of rotation of said group of pin and the coaxial setting of the center of rotation of ring flange;
B. sub zero treatment: low temperature similar viscosity test suite is put into cryogenic box, configure the temperature-30 ± 0.5 ℃ of cryogenic box, reached after the temperature of setting constant temperature 2 hours;
C. test: take out low temperature similar viscosity test suite from cryogenic box; This assembly is fixed on the said device; Actuating motor, ring flange is active rotation under driven by motor, and pin companion rotation under the effect of low temperature grease is dialled in test; Dial the torque of pin by the test of moment table, and note torque data;
D. test result is judged: if the similar viscosity of tested oil at low temperature meets the following conditions: stable rotation moment :≤0.18Nm judges that the similar viscosity of this oil at low temperature meets the requirements, and can use.
5. quick test oil at low temperature similar viscosity method according to claim 4 is characterized in that: 10 millimeters of said ring flange ring-shaped groove groove depths, 10 millimeters of groove widths are dialled 3 millimeters of pin diameters, dial pin and probe into 8 millimeters of the grease degree of depth.
6. quick device of test oil at low temperature torque and similar viscosity; It is characterized in that: it comprises that base plate (1), first connects axle (2), second and connects axle (11), motor (4), moment table (8), moment table bracing frame and low temperature torque testing assembly, low temperature similar viscosity test suite; Said first connect the axle, second connect the axle be fixed on the base plate, motor is fixed on first through motor fixing plate (3) and connects on the axle; Said moment table bracing frame is fixed on second and connects on the axle, and said moment table support end is supported by moment table bracing frame; Said low temperature torque testing assembly, low temperature similar viscosity test suite include turning axle (6), and said turning axle docks with motor output shaft (5).
7. the device of quick test oil at low temperature according to claim 6 torque and similar viscosity; It is characterized in that: said low temperature torque testing assembly comprises carrier shaft bearing (21), gland (23), carrier bearing (22); Said carrier bearing is positioned at the carrier shaft bearing; Carrier bearing inner race bottom is locked by clamp nut (25) by shaft shoulder support, the top of turning axle (6), and said gland and carrier shaft bearing are fixed, and the gland top is provided with attachment screw (24); Said moment table test lead is connected with attachment screw through adapter sleeve (7).
8. the device of quick test oil at low temperature according to claim 6 torque and similar viscosity; It is characterized in that: said low temperature similar viscosity test suite comprises ring flange (31), group pin spring bearing (36), group pin supporting bearing base (35), group pin linking arm (34) that is provided with ring groove (32) and dials pin (33); Said ring flange is fixed on the turning axle (6); Said group of pin spring bearing, group pin supporting bearing base are positioned at the turning axle upper end successively; Said group of pin linking arm one end fixed with dialling the pin supporting bearing base, and the fixing pin of dialling of the other end is dialled the ring groove that the pin bottom is arranged in ring flange.
9. according to the device of claim 6,7 or 8 described quick test oil at low temperature torques and similar viscosity; It is characterized in that: said moment table bracing frame comprises joint (10) and stay fork (9); Joint bottom and second connects axle (11) and is threaded; Joint top is provided with groove (10-1), and the stay fork bottom is positioned at groove, and stay fork top is provided with the support slot (9-1) with moment table support end coupling.
CN2011103895359A 2011-11-30 2011-11-30 Method for quickly testing low temperature torque and similar viscosity of oil Expired - Fee Related CN102519842B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104713900A (en) * 2015-04-07 2015-06-17 中粮佳悦(天津)有限公司 Method for quickly detecting frost resistance of edible vegetable oil
CN113959909A (en) * 2021-10-21 2022-01-21 上海创功通讯技术有限公司 Damping test device and method for grease

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104713900A (en) * 2015-04-07 2015-06-17 中粮佳悦(天津)有限公司 Method for quickly detecting frost resistance of edible vegetable oil
CN113959909A (en) * 2021-10-21 2022-01-21 上海创功通讯技术有限公司 Damping test device and method for grease

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Effective date of registration: 20160503

Address after: 071051 No. 126, Spruce Road, Hebei, Baoding

Patentee after: BAODING GREAT MACHINERY Co.,Ltd.

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