CN207992212U - A kind of lubricating oil extreme pressure property evaluation experimental device - Google Patents
A kind of lubricating oil extreme pressure property evaluation experimental device Download PDFInfo
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- CN207992212U CN207992212U CN201820563357.4U CN201820563357U CN207992212U CN 207992212 U CN207992212 U CN 207992212U CN 201820563357 U CN201820563357 U CN 201820563357U CN 207992212 U CN207992212 U CN 207992212U
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- lubricating oil
- sample test
- rotor
- test glass
- oil sample
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Abstract
The utility model is related to lubricating oil extreme pressure property evaluation experimental devices.It is made of oil sample test glass, stepper motor, controller, electromagnetic coil, martensitic stain less steel rotor, heater, temperature sensor etc..Experiment lubricating oil is loaded in the oil sample test glass for being equipped with martensitic stain less steel rotor, and rational test temperature and rotor speed is arranged by controller.Electromagnetic coil is passed through suitable electric current and forms magnetic field to martensitic stain less steel rotor formation tractive force, realizes it in high-speed rotation lower rotor part and test cup without there are strong frictional force, the evaluations of realization extreme boundary lubrication performance under being in direct contact.
Description
Technical field
The evaluation experimental device of extreme boundary lubrication performance in being evaluated the utility model is related to lubricants performance.
Background technology
Extreme boundary lubrication performance is one of the important technology index in lubricants performance evaluation, and being all made of four-ball tester method at present has
Contact friction carries out performance Indirect evaluation.There are test process trouble, experiments to be tested every time with four standard steel balls for four-ball tester method
It is required to renew, consuming cost is big, and data need to carry out measuring spot under polishing scratch microscopic analysis and microscope to steel ball after test
Trace area-method is calculated, and measuring accuracy is larger by man's activity.Directly evaluation lubricating oil extreme pressure property can be used by designing one kind
Can, the low lubricating oil extreme boundary lubrication henchnmrk test device of test process experiment material consumption is very necessary.
Invention content
The utility model aim is to overcome existing lubricating oil extreme boundary lubrication performance test process to be deposited using four-ball tester method
Test process is troublesome, of high cost, measuring accuracy there are man's activities the deficiencies of, one kind is provided and effectively reduces the cumbersome journey of test
Sequence reduces experiment material consumption, improves the lubricating oil extreme pressure property evaluation experimental device of testing research precision.
The technical solution of the utility model is：
A kind of lubricating oil extreme pressure property evaluation experimental device of the utility model is tried by the oil sample on appliance stand
The main body of cup, electromagnetic coil, the stepper motor being fixed on electric machine support, shaft, martensitic stain less steel rotor constituent apparatus is led to
Cross conducting wire heater, temperature sensor, electromagnetic coil and the controller on stepper motor, oil sample test glass are connected to be formed it is a set of whole
Body experimental provision.
The oil sample test glass of the lubricating oil extreme pressure property evaluation experimental device being mounted on appliance stand uses austenite
Stainless steel is made, and austenitic stainless steel is nonmagnetic, is weak permeability magnetic material, is not influenced in test process on the outside of austenitic stainless steel
The magnetic field that generates of electromagnetic coil to the active force of internal martensitic stain less steel rotor.
It is concentric big roundlet that the lubricating oil extreme pressure property evaluation experimental device, which is mounted on the oil sample test glass on appliance stand,
The combination of cylinder body shape, wherein big cylinder is located above, small cylinder is located at lower section, upper cylindrical body space when experiment test
Interior to hold a certain amount of oil sample, the internal diameter of lower cylindrical body is 2 millimeters bigger than the outer diameter of internal martensitic stain less steel rotor,
Ensure that it forms 1 millimeter of spacing between oil sample test glass.
The martensitic stain less steel rotor of the lubricating oil extreme pressure property evaluation experimental device be rule cylindrical structure its
Be connected to top shaft, stepper motor bearing it is completely concentric, it is ensured that smooth rotation when it does high-speed rotation, martensite are stainless
Steel has magnetism, does in the magnetic field of electromagnetic coil, can be acted on by power.
The oil sample test glass superjacent air space installation having heaters and temperature of the lubricating oil extreme pressure property evaluation experimental device pass
Sensor is connected by conducting wire with controller, and the temperature control instrument in controller can effectively realize lubricating oil in oil sample test glass
Sample is heated to constant test temperature.
The external side of lower cylindrical of the oil sample test glass of the lubricating oil extreme pressure property evaluation experimental device is provided with electromagnetic wire
Circle, is connect by conducting wire with controller, and shape when certain electric signal output realizes experiment test is arranged in controller internal circuit
At electromagnetic field can generate magneticaction to internal martensitic stain less steel rotor, formed to the radial direction of martensitic stain less steel rotor
Adsorption force, by friction force effect and radial compression applied when simulating the rotation of its martensitic stain less steel rotor axial.
The controller of the lubricating oil extreme pressure property evaluation experimental device is capable of the temperature of control device, rotating speed, electromagnetic wire
The parameters such as loop current intensity, can be by measuring under a certain constant rotational speed of martensitic stain less steel rotor under certain electromagnetic field intensity
Stepper motor current situation of change, calculate stressing conditions of the martensitic stain less steel rotor under magnetic fields, when be added one
After quantitative test lubricating oil, there is stress difference because of the extreme pressure property of lubricating oil difference in the power that rotor is subject to, and passes through electricity
Signal is shown.
The advantages of the utility model
1. the electromagnetic field that a kind of lubricating oil extreme pressure property evaluation experimental device is formed using electromagnetic coil is to high-speed rotating
Martensitic stain less steel rotor generates the effect of power, the spacing oil refill between the rotor and oil sample test glass, the pole of lubricating oil
Pressure performance can have an impact the active force of martensitic stain less steel rotor by electromagnetic field in rotation process, and stepper motor is passed through
Curent change calculates extreme boundary lubrication performance parameter, realizes not connecing directly for friction means during extreme boundary lubrication performance test
It touches；2. the electric current of electromagnetic coil can need rationally to adjust according to experimental study, the extreme pressure profit under different pressure conditions is realized
Sliding performance evaluation, can effectively simulate the effect of the different loads power in lubricating oil extreme pressure property evaluation procedure；3. experimental provision
During the test without the abrasion of any experiment test component, in the process without spare parts consumption；4. controller is by circuit design,
It is converted into the variable signal of active force by stepper motor current situation of change, different oils can directly be evaluated by conversion
Extreme boundary lubrication performance；5. rotor can uniformly mix oil sample in oil sample test glass in experimentation, ensure that test temperature is uniform, together
When sample be in shear history, realize extreme boundary lubrication performance evaluation in a dynamic mode.
Description of the drawings
Attached drawing 1 is a kind of lubricating oil extreme pressure property evaluation experimental instrument structural schematic diagram of the utility model.
1. oil sample test glass in figure, 2. stepper motors, 3. electric machine supports, 4. shafts, 5. conducting wires, 6. controllers, 7. devices
Holder, 8. electromagnetic coils, 9. martensitic stain less steel rotors, 10. lubricating oil, 11. heaters, 12. temperature sensors.
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings：
In Fig. 1, the utility model is a kind of lubricating oil extreme pressure property evaluation experimental device, by being mounted on appliance stand 7
On oil sample test glass 1, electromagnetic coil 8, the stepper motor 2 being fixed on electric machine support 3, shaft 4, martensitic stain less steel rotor 9
The main body of constituent apparatus, by conducting wire 5 by heater 11, temperature sensor 12, the electromagnetic wire on stepper motor 2, oil sample test glass 1
Circle 8 connect to form a set of integral experiment device with controller 6.
Operation principle
Rational stepping electricity is arranged according to the above structure in the lubricating oil extreme pressure property evaluation experimental device first when in use
The rotating speed of machine, it is ensured that the steady high-speed rotation of martensitic stain less steel rotor driven by shaft, controller pass through to current of electric
Detecting calculate martensitic stain less steel rotor and do torque situation not under by outer force effect, by instrument on controller for experiment
Person reads；Then ensure invariablenes turning speed, test lubricating oil is injected into the top suitable position of oil sample test glass, is set by controller
Suitable heating temperature is set, torque is read again after realizing oil sample constant temperature；The electric current that electromagnetic coil is set, simulation are needed by test
Rotor radial reads torque situation, not according to three uniformly by the rotation situation under external pressure force effect by controlling instruments and meters
The extreme boundary lubrication performance of the test lubricating oil is evaluated with the torque of state.
Claims (3)
1. a kind of lubricating oil extreme pressure property evaluation experimental device, by being mounted on appliance stand（7）On oil sample test glass（1）, electromagnetism
Coil（8）, be fixed on electric machine support（3）On stepper motor（2）, shaft（4）, martensitic stain less steel rotor（9）Constituent apparatus
Main body, pass through conducting wire（5）By stepper motor（2）, oil sample test glass（1）On heater（11）, temperature sensor（12）, electromagnetism
Coil（8）With controller（6）Connection forms a set of integral experiment device.
2. a kind of lubricating oil extreme pressure property evaluation experimental device according to claim 1, it is characterised in that：Martensite is stainless
Steel rotor is fixed on the lower part for holding oil sample test glass, and a determining deviation formed at the lower part of rotor and oil sample test glass, in experimentation
Lubricating oil is filled into oil sample test glass, electromagnetism is loaded by the way that stepper motor rotating speed is arranged full of the spacing between rotor and oil sample test glass
Coil current forms magnetic field and passes through journey by the electrical power situation of electrical consumption on Read Controller to the magneticaction of rotor
Sequence calculates and evaluation lubricating oil extreme boundary lubrication performance.
3. a kind of lubricating oil extreme pressure property evaluation experimental device according to claim 1, it is characterised in that：Oil sample test glass is adopted
It is made of austenitic stainless steel, without effect under magnetic field, it is stainless that the magnetic field that electromagnetic coil generates can directly act on martensite
Steel rotor is formed between martensitic stain less steel rotor and oil sample test glass there are non-contacting strong frictional force, between spacing in
Lubricating oil oil film is in the motion state under high speed shear and pressure effect, fully achieves extreme boundary lubrication process simulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820563357.4U CN207992212U (en) | 2018-04-19 | 2018-04-19 | A kind of lubricating oil extreme pressure property evaluation experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820563357.4U CN207992212U (en) | 2018-04-19 | 2018-04-19 | A kind of lubricating oil extreme pressure property evaluation experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207992212U true CN207992212U (en) | 2018-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820563357.4U Expired - Fee Related CN207992212U (en) | 2018-04-19 | 2018-04-19 | A kind of lubricating oil extreme pressure property evaluation experimental device |
Country Status (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535456A (en) * | 2018-04-19 | 2018-09-14 | 西南石油大学 | A kind of lubricating oil extreme pressure property evaluation experimental device |
| CN109991112A (en) * | 2019-02-20 | 2019-07-09 | 广西柳工机械股份有限公司 | The vehicle evaluation method of lubricating grease extreme-pressure anti-wear ability |
| CN116148448A (en) * | 2023-04-23 | 2023-05-23 | 中国科学院上海高等研究院 | Tester for oil service performance under multi-physical field coupling effect |
-
2018
- 2018-04-19 CN CN201820563357.4U patent/CN207992212U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535456A (en) * | 2018-04-19 | 2018-09-14 | 西南石油大学 | A kind of lubricating oil extreme pressure property evaluation experimental device |
| CN109991112A (en) * | 2019-02-20 | 2019-07-09 | 广西柳工机械股份有限公司 | The vehicle evaluation method of lubricating grease extreme-pressure anti-wear ability |
| CN109991112B (en) * | 2019-02-20 | 2021-03-26 | 广西柳工机械股份有限公司 | Complete vehicle evaluation method for extreme pressure anti-wear capability of lubricating grease |
| US11921090B2 (en) | 2019-02-20 | 2024-03-05 | Guangxi Liugong Machinery Co., Ltd. | Whole-vehicle-based method for evaluating extreme pressure and antiwear properties of grease |
| CN116148448A (en) * | 2023-04-23 | 2023-05-23 | 中国科学院上海高等研究院 | Tester for oil service performance under multi-physical field coupling effect |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20190419 |