CN106482881A - The device of measurement lubricant frictional force - Google Patents
The device of measurement lubricant frictional force Download PDFInfo
- Publication number
- CN106482881A CN106482881A CN201610857556.1A CN201610857556A CN106482881A CN 106482881 A CN106482881 A CN 106482881A CN 201610857556 A CN201610857556 A CN 201610857556A CN 106482881 A CN106482881 A CN 106482881A
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- China
- Prior art keywords
- frictional force
- ball
- column
- glass plate
- measurement
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0061—Force sensors associated with industrial machines or actuators
Abstract
The invention discloses a kind of device of measurement lubricant frictional force, including：Mounting platform；Dish axle system, dish axle system are rotationally arranged at mounting platform；Glass plate, glass plate are located in dish axle system, and dish axle system drives glass disc spins；Column, column are provided with the overcoat extended along column axial direction, and the outer wall of overcoat is provided with projection, and column is oppositely arranged with glass plate；Ball axle system, ball axle system are connected with overcoat, and ball axle system includes：Ball axle and the ball axle drive component for driving ball axle to rotate, one end of ball axle is arranged in ball axle drive component, the end of the other end of ball axle is provided with steel ball, steel ball and the upper surface of glass plate, projection are more than horizontal range of the steel ball apart from column central axis apart from the horizontal range of column central axis；Dynamometric system, dynamometric system are used for measuring lubricant frictional force with the sidewall contact of projection.The measurement device accuracy of measurement lubricant frictional force according to embodiments of the present invention is high.
Description
Technical field
The present invention relates to a kind of device of measurement lubricant frictional force.
Background technology
Lubricant frictional force is to carry out the driving members such as rolling bearing, gear to design one of requisite significant data.By
Less in lubricant frictional force, traditional measurement apparatus cannot be accurately measured to lubricant frictional force.
Content of the invention
It is contemplated that at least solving one of above-mentioned technical problem to a certain extent.
For this purpose, the present invention proposes a kind of device of measurement lubricant frictional force, the device of the measurement lubricant frictional force is surveyed
Amount is accurate, simple structure.
The device of measurement lubricant frictional force according to embodiments of the present invention includes：Mounting platform；Dish axle system, the disk
Axle system is rotationally arranged at the mounting platform；Glass plate, the glass plate are located in the dish axle system, the dish axle
System drives the glass disc spins；Column, the column are provided with the overcoat extended along the column axial direction, the overcoat
Outer wall be provided with projection, the column is oppositely arranged with the glass plate；Ball axle system, the ball axle system are connected with the overcoat
Connect, the ball axle system includes：Ball axle and the ball axle drive component for driving the ball axle to rotate, one end of the ball axle sets
It is placed in the ball axle drive component, the end of the other end of the ball axle is provided with steel ball, the steel ball and the glass plate
Upper surface, the projection are more than the steel ball apart from the column center apart from the horizontal range of the column central axis
The horizontal range of axis；Dynamometric system, the dynamometric system are used for measuring lubricant frictional force with the sidewall contact of the projection；
Wherein, the glass plate is from least one of steel ball rotation so as to measure friction of the lubricant under different working conditions
Power.
The device of measurement lubricant frictional force according to embodiments of the present invention, is connected by the overcoat by ball axle system with column
Connect, so as to lubricant frictional force is transferred to dynamometric system by lever amplification effect, so as to improve measurement accuracy.
In addition, the device of measurement lubricant frictional force according to embodiments of the present invention, can also have following additional skill
Art feature：
According to one embodiment of present invention, ball axle α in a certain angle with the upper surface of the glass plate, 0 DEG C of ＜ α
90 DEG C of ＜.
According to one embodiment of present invention, the upper surface of the overcoat is higher than the upper surface of the column, the overcoat
Upper surface be provided with charger.
According to one embodiment of present invention, straight line is provided between the internal perisporium of the periphery wall of the column and the overcoat
Bearing or air-bearing.
According to one embodiment of present invention, the device of the measurement lubricant frictional force also includes to be arranged at the installation
First carriage of platform, first carriage include：First slide rail, first slide rail are provided with installing plate, institute
State installing plate to be slidably disposed on first slide rail, the dynamometric system, the ball axle system and the column are respectively mounted
It is arranged on the installing plate.
According to one embodiment of present invention, the dynamometric system includes：Two force cells, two force cells
It is arranged at intervals on the installing plate in a lateral direction and is in close contact with the side wall of the projection respectively.
According to one embodiment of present invention, roller is provided between the force cell and the projection, the roller
Side and the bump contact, the opposite side of the roller is connected with the force cell.
According to one embodiment of present invention, the device of the measurement lubricant frictional force also includes：Housing, the glass
Disk is built in the housing, and the housing is provided with the oil storage box for storing the lubricant, and the oil storage box is to described
The lubricant is added in the upper surface of glass plate.
According to one embodiment of present invention, avoidance hole, the other end of the ball axle are formed with the side wall of the housing
Through the avoidance hole.
According to one embodiment of present invention, the device of the measurement lubricant frictional force also includes：Optical system, described
Mounting platform includes：Upper mounting plate, lower platform and connecting plate, the connecting plate are located between the upper mounting plate and the lower platform,
The dish axle system is located on the upper mounting plate, and the optical system is located at the lower platform and relative with the glass plate sets
Put.
According to one embodiment of present invention, the device of the measurement lubricant frictional force also includes to be arranged at the installation
Second carriage of platform, second carriage include：Second slide rail and the micro-adjusting mechanism positioned at second slide rail,
The micro-adjusting mechanism is arranged at second slide rail, and the optical system is connected for adjusting with the support arm of the micro-adjusting mechanism
Optical system is in above-below direction and the position of left and right directions.
According to one embodiment of present invention, the lower platform is provided with escape groove, and the lower end of the optical system is located at
In the escape groove.
According to one embodiment of present invention, the diapire of the housing is provided with through hole, the through hole and the optical system
It is oppositely arranged so that the light path of the optical system is communicated with the contact zone of the steel ball and the glass plate.
According to one embodiment of present invention, the glass plate is coaxially disposed with the drive shaft of the dish axle system.
The additional aspect and advantage of the present invention will be set forth in part in the description, and partly will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from the description with reference to accompanying drawings below to embodiment
Substantially and easy to understand, wherein：
Fig. 1 is the stereogram of the device of measurement lubricant frictional force according to an embodiment of the invention；
Fig. 2 is the sectional view of the device of measurement lubricant frictional force according to an embodiment of the invention；
Fig. 3 is the structural representation of the device of measurement lubricant frictional force according to an embodiment of the invention.
Reference：
The device 100 of measurement lubricant frictional force；
Mounting platform 10；Upper mounting plate 11；Lower platform 12；Connecting plate 13；
Dish axle system 20；
Glass plate 30；Housing 31
Column 40；Overcoat 41；Projection 42；Linear bearing or air-bearing 43；
Ball axle system 50；Ball axle drive component 51；Ball axle 52；Steel ball 53；
Dynamometric system 60；Force cell 61；Roller 62；
Charger 70；
First carriage 80；First slide rail 81；Installing plate 82；
Second carriage 90；Second slide rail 91；Micro-adjusting mechanism 92；
Optical system 101.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
The device 100 of measurement lubricant frictional force according to embodiments of the present invention, the measurement are described referring to Fig. 1-Fig. 3
The device 100 of lubricant frictional force can substantially include：Mounting platform 10, dish axle system 20, glass plate 30, column 40, ball axle
System 50 and dynamometric system 60.
Specifically, as depicted in figs. 1 and 2, dish axle system 20 is rotationally arranged at mounting platform 10, and glass plate 30 is located at
In dish axle system 20, dish axle system 20 drives glass plate 30 to rotate, and column 40 is provided with the overcoat extended along 40 axial direction of column
41, the outer wall of overcoat 41 is provided with projection 42, and column 40 is oppositely arranged with glass plate 30.
Ball axle system 50 is connected with overcoat 41, and ball axle system 50 can include：Ball axle drive component 51 and ball axle 52, ball axle
52 one end is arranged in ball axle drive component 51, the other end of ball axle 52 extend to 30 direction of glass plate and ball axle 52 end
Steel ball 53, steel ball 53 and the upper surface of glass plate 30 is provided with, there is lubrication in glass plate 30 with the contact area of steel ball 53
Agent, the ball axle drive component 51 of ball axle system 50 drive ball axle 52 to rotate so as to drive steel ball 53 to rotate on glass plate 30.Survey
Force system 60 is in close contact for measuring lubricant frictional force with the side wall of projection 42.
When steel ball 53 occurs relative motion with glass plate 30, lubricant forms oil in steel ball 53 with the contact zone of glass plate 30
Film, the frictional force produced by oil film pass to overcoat 41, and lubricant frictional force drives overcoat 41 rotates, due to dynamometric system 60 with
The sidewall contact of projection 42 defines the free degree of the overcoat 41 in horizontal direction, therefore, acts on the active force transmission of overcoat 41
Dynamometric system 60 is transferred to by projection 42, and then realizes the measurement to lubricant frictional force.
As shown in figure 3, steel ball 53 forms the leverage with overcoat 41 as fulcrum with projection 42, and projection 42 is apart from column
Horizontal range l of 40 central axissLess than steel ball 53 apart from 40 central axis of column horizontal range lpSo that lubricant friction
Power is amplified by leverage, improves the measurement accuracy of the device 100 of measurement lubricant frictional force.
During measurement lubricant frictional force, glass plate 30 is with least one of steel ball 53 rotation such that it is able to right
Frictional force of the lubricant under different working conditions is measured.I.e. in measurement process, force cell 61 can be to glass plate
30 or lubricant frictional force during the one of rotation of steel ball 53 measure, or force cell 61 can be with working condition
Lubricant frictional force when lubricant frictional force is to rotate with steel ball 53 to glass plate 30 simultaneously is measured, so as to realize to not
Measure.
Thus, the device 100 of measurement lubricant frictional force according to embodiments of the present invention, by by ball axle system 50 with vertical
The overcoat 41 of post 40 connects, so as to lubricant frictional force is transferred to dynamometric system 60 by lever amplification effect, so as to improve
Measurement accuracy.
In some embodiments of the invention, ball axle 52 α, 0 DEG C ＜ α ＜ 90 in a certain angle with the upper surface of glass plate 30
℃.That is, the downward-sloping extension of ball axle 52 so that steel ball 53 can on glass plate 30 pure rolling, and then to profit
Lubrication prescription frictional force under the working condition of 53 pure rolling of steel ball is measured.
Alternatively, the upper surface of overcoat 41 is higher than the upper surface of column 40, and the upper surface of overcoat 41 is provided with charger 70.
As such, it is possible to downward active force is applied to overcoat 41 by charger 70, so as to different to loading to steel ball 53 indirectly
Active force, and then the frictional force to lubricant under the conditions of different load measures.For example, charger 70 can include：
Location-plate, location-plate are fitted with the upper surface of overcoat 41, and location-plate is provided with loading ball, load ball act on location-plate so as to
Different loading forces are applied to the steel ball 53 on glass plate 30.
Alternatively, as shown in figure 3, being provided with linear bearing 43 or gas between the internal perisporium of the periphery wall of column 40 and overcoat 41
Floating axle holds 43 so that overcoat 41 and column 40 can be all moved in vertical direction and circumferential direction, reduce column 40 with outer
Rotational resistance between set 41, it is to avoid the rotational resistance between column 40 and overcoat 41 brings dry to measurement lubricant frictional force
Disturb.
Alternatively, as shown in Fig. 2 being provided with roller 62 between dynamometric system 60 and projection 42.The side of roller 62 and projection
42 contacts, the opposite side of roller 62 are connected with force cell 61.Overcoat 41 when vertical direction moves, overcoat 41 and roller 62
Between frictional force very little, thus, it is possible to reduce impact of the other factors to lubricant friction measurement result.
Alternatively, glass plate 30 is coaxially disposed with the drive shaft of dish axle system 20.I.e. dish axle system 20 is in rotary course
30 synchronous rotary of glass plate can be driven.
In other embodiments of the present invention, as depicted in figs. 1 and 2, the device 100 of measurement lubricant frictional force may be used also
To include to be arranged at the first carriage 80 of mounting platform 10, the first carriage 80 includes：First slide rail 81.First slide rail
81 are provided with installing plate 82, and installing plate 82 is slidably disposed on slide rail, and dynamometric system 60, ball axle system 50 and column 40 are all provided with
It is placed in fixed plate.In other words, can by change position of the installing plate 82 on the first slide rail 81 come adjust dynamometric system 60,
The distance between ball axle 52 and column 40 and glass plate 30, to meet the demand of different operating modes.
Alternatively, as shown in figure 1, dynamometric system 60 can include：Two force cells 61.Two force cells 61
It is arranged at intervals on installing plate 82 in a lateral direction and is in close contact with the side wall of projection 42 respectively.So, overcoat 41 is in horizontal stroke
The swing of different directions upwards, lubricant frictional force all can pass to force cell 61 by projection 42, as a result, surveying
The device 100 of amount lubricant frictional force meets the demand of different operating modes.
In still other embodiments of the present invention, as depicted in figs. 1 and 2, the device 100 of measurement lubricant frictional force is acceptable
Including：Optical system 101.Mounting platform 10 includes：Upper mounting plate 11, lower platform 12 and connecting plate 13, connecting plate 13 are located at flat
Between platform 11 and lower platform 12, dish axle system 20 is located on upper mounting plate 11, optical system 101 be located at lower platform 12 and with the glass
Glass disk 30 is oppositely arranged.The thickness of lubricant can be measured by optical system 101.
In still other embodiments of the present invention, as depicted in figs. 1 and 2, the device 100 of measurement lubricant frictional force is acceptable
Including：Second carriage 90.Second carriage 90 includes：Second slide rail 91 and micro-adjusting mechanism 92.Micro-adjusting mechanism 92 is arranged
In the second slide rail 91, optical system 101 is connected with the support arm of micro-adjusting mechanism 92.As shown in figure 1, the second slide rail 91 is flat along installing
The horizontal direction of platform 10 extends, by changing position adjustments optical system 101 phase of the micro-adjusting mechanism 92 in second slide rail 91
Position to glass plate 30.And by micro-adjusting mechanism 92 adjust optical system 101 the position of above-below direction and left and right directions from
And the accurate focusing of optical system 101 is realized, improve the accuracy that optical system 101 measures film thickness.
Alternatively, as depicted in figs. 1 and 2, lower platform 12 is provided with escape groove, and the lower end of optical system 101 is located at and avoids
In groove, such that it is able to the convenient height for optical system 101 being adjusted in vertical direction, accurately measure the thickness of lubricant, wherein, light
System 101 can be microscope.
In still other embodiments of the present invention, the device 100 for measuring lubricant frictional force can also include：Housing 31.Glass
Glass disk 30 is built in housing 31, and housing 31 is provided with the oil storage box for kind of lubricant storage, and oil storage box is upper to glass plate 30
Lubricant is added on surface., in rotary course, housing 31 can prevent the lubrication on glass plate 30 for glass plate 30 and/or steel ball 53
Agent splashes, and avoid extraneous dust from falling into the upper surface of glass plate 30.
Alternatively, formed on the side wall of housing 31 and hole is avoided, the other end of ball axle 52 wears avoidance hole.
Alternatively, the diapire of housing 31 is provided with through hole, and through hole is oppositely arranged so that optical system 101 with optical system 101
Light path communicate with the contact zone of steel ball and glass plate 30.
In describing the invention, it is to be understood that term " on ", D score ", bottom ", " interior ", the side of the instruction such as " outward "
Position or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of the description present invention and simplify description,
Rather than indicate or the hint device of indication or element must with specific orientation, with specific azimuth configuration and operation, because
This is not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；It can be machine
Tool connection, or electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two units
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood as the case may be at this
Concrete meaning in bright.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score
The first and second feature directly contacts can be included, it is also possible to be not directly contact including the first and second features but by it
Between other characterisation contact.And, fisrt feature second feature " on ", " top " and " above " include that first is special
Levy directly over second feature and oblique upper, or fisrt feature level height is merely representative of higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " below " include fisrt feature directly over second feature and oblique upper, or be merely representative of
Fisrt feature level height is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy described with reference to the embodiment or example
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example are necessarily referred to.And, the specific features of description, structure, material or feature can be any
One or more embodiments or example in combine in an appropriate manner.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art is in the principle without departing from the present invention and objective
In the case of above-described embodiment can be changed within the scope of the invention, change, replace and modification.
Claims (14)
1. a kind of measurement lubricant frictional force device, it is characterised in that include：
Mounting platform；
Dish axle system, the dish axle system are rotationally arranged at the mounting platform；
Glass plate, the glass plate are located in the dish axle system, and the dish axle system drives the glass disc spins；
Column, the column are provided with the overcoat extended along the column axial direction, and the outer wall of the overcoat is provided with projection, described
Column is oppositely arranged with the glass plate；
Ball axle system, the ball axle system are connected with the overcoat, and the ball axle system includes：Ball axle and for driving the ball
The ball axle drive component of axle rotation, one end of the ball axle are arranged in the ball axle drive component, the other end of the ball axle
End be provided with steel ball, the upper surface of the steel ball and the glass plate, the projection is apart from the column central axis
Horizontal range more than the steel ball apart from the column central axis horizontal range；
Dynamometric system, the dynamometric system are used for measuring lubricant frictional force with the sidewall contact of the projection；
Wherein, the glass plate is from least one of steel ball rotation so as to measure lubricant under different working conditions
Frictional force.
2. according to claim 1 measurement lubricant frictional force device, it is characterised in that the ball axle and the glass
90 DEG C of the upper surface of disk α in a certain angle, 0 DEG C of ＜ α ＜.
3. the device of measurement lubricant frictional force according to claim 1, it is characterised in that the upper surface of the overcoat is high
In the upper surface of the column, the upper surface of the overcoat is provided with charger.
4. according to claim 1 measurement lubricant frictional force device, it is characterised in that the periphery wall of the column with
Linear bearing or air-bearing is provided between the internal perisporium of the overcoat.
5. according to claim 1 measurement lubricant frictional force device, it is characterised in that also include to be arranged at the peace
First carriage of assembling platform, first carriage include：First slide rail, first slide rail are provided with installing plate,
The installing plate is slidably disposed on first slide rail, and the dynamometric system, the ball axle system and the column are all pacified
Installing is placed on the installing plate.
6. according to claim 5 measurement lubricant frictional force device, it is characterised in that the dynamometric system includes：
Two force cells, two force cells are arranged at intervals on the installing plate and convex with described respectively in a lateral direction
The side wall of block is in close contact.
7. according to claim 6 measurement lubricant frictional force device, it is characterised in that the force cell and institute
State between projection and roller is provided with, the side of the roller and the bump contact, the opposite side of the roller are passed with the dynamometry
Sensor connects.
8. according to any one of claim 1-7 measurement lubricant frictional force device, it is characterised in that also include：Shell
Body, the glass plate are built in the housing, and the housing is provided with the oil storage box for storing the lubricant, the storage
Oil box adds the lubricant to the upper surface of the glass plate.
9. according to claim 8 measurement lubricant frictional force device, it is characterised in that shape on the side wall of the housing
Become to have avoidance hole, the other end of the ball axle passes through the avoidance hole.
10. according to claim 9 measurement lubricant frictional force device, it is characterised in that also include：Optical system,
The mounting platform includes：Upper mounting plate, lower platform and connecting plate, the connecting plate be located at the upper mounting plate and the lower platform it
Between, the dish axle system is located on the upper mounting plate, and the optical system is located at the lower platform and relative with the glass plate
Arrange.
The devices of 11. measurement lubricant frictional force according to claim 10, it is characterised in that also include to be arranged at described
Second carriage of mounting platform, second carriage include：Second slide rail and the fine setting positioned at second slide rail
Mechanism, the micro-adjusting mechanism are arranged at second slide rail, and the optical system is mutually used in conjunction with the support arm of the micro-adjusting mechanism
In regulation optical system in above-below direction and the position of left and right directions.
The device of 12. measurement lubricant frictional force according to claim 11, it is characterised in that the lower platform is provided with
Escape groove, the lower end of the optical system are located in the escape groove.
The device of 13. measurement lubricant frictional force according to claim 12, it is characterised in that the diapire of the housing sets
There is through hole, the through hole is oppositely arranged with the optical system so that the light path of the optical system and the steel ball and the glass
The contact zone of glass disk is communicated.
14. according to claim 1 measurement lubricant frictional force devices, it is characterised in that the glass plate with described
The drive shaft of dish axle system is coaxially disposed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610857556.1A CN106482881B (en) | 2016-09-28 | 2016-09-28 | Measure the device of lubricant frictional force |
| PCT/CN2017/095059 WO2018059105A1 (en) | 2016-09-28 | 2017-07-28 | Apparatus for measuring friction force of lubricant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610857556.1A CN106482881B (en) | 2016-09-28 | 2016-09-28 | Measure the device of lubricant frictional force |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106482881A true CN106482881A (en) | 2017-03-08 |
| CN106482881B CN106482881B (en) | 2018-10-16 |
Family
ID=58268218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610857556.1A Active CN106482881B (en) | 2016-09-28 | 2016-09-28 | Measure the device of lubricant frictional force |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106482881B (en) |
| WO (1) | WO2018059105A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018059105A1 (en) * | 2016-09-28 | 2018-04-05 | 清华大学 | Apparatus for measuring friction force of lubricant |
| CN108533612A (en) * | 2018-03-30 | 2018-09-14 | 中国人民解放军国防科技大学 | High-precision air-floating shaft system based on glass guide rail and glass guide rail processing method thereof |
| CN109141840A (en) * | 2018-07-18 | 2019-01-04 | 王付华 | A kind of novel wedge locking device testing stand |
| CN110883715A (en) * | 2019-11-21 | 2020-03-17 | 清华大学 | Friction transmitting device |
| WO2021022419A1 (en) * | 2019-08-02 | 2021-02-11 | 深圳市大疆百旺科技有限公司 | Measurement device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007271455A (en) * | 2006-03-31 | 2007-10-18 | Fujitsu Ltd | Device for evaluating friction-life of film |
| CN202204476U (en) * | 2011-09-07 | 2012-04-25 | 上海大学 | Constant-inclination angle surface contact film lubrication measuring apparatus |
| CN102410902B (en) * | 2011-11-22 | 2013-12-25 | 河南科技大学 | Ball and disc type tester for measuring elastic fluid frictional force of lubricant |
| CN102998254B (en) * | 2012-11-20 | 2015-04-15 | 清华大学 | Micro friction force measuring device |
| CN103528945B (en) * | 2013-09-27 | 2015-10-21 | 清华大学 | Friction measurement device |
| CN106482881B (en) * | 2016-09-28 | 2018-10-16 | 清华大学 | Measure the device of lubricant frictional force |
-
2016
- 2016-09-28 CN CN201610857556.1A patent/CN106482881B/en active Active
-
2017
- 2017-07-28 WO PCT/CN2017/095059 patent/WO2018059105A1/en active Application Filing
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018059105A1 (en) * | 2016-09-28 | 2018-04-05 | 清华大学 | Apparatus for measuring friction force of lubricant |
| CN108533612A (en) * | 2018-03-30 | 2018-09-14 | 中国人民解放军国防科技大学 | High-precision air-floating shaft system based on glass guide rail and glass guide rail processing method thereof |
| CN109141840A (en) * | 2018-07-18 | 2019-01-04 | 王付华 | A kind of novel wedge locking device testing stand |
| CN109141840B (en) * | 2018-07-18 | 2020-05-26 | 王付华 | Wedge-shaped locking device test bed |
| WO2021022419A1 (en) * | 2019-08-02 | 2021-02-11 | 深圳市大疆百旺科技有限公司 | Measurement device |
| CN110883715A (en) * | 2019-11-21 | 2020-03-17 | 清华大学 | Friction transmitting device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018059105A1 (en) | 2018-04-05 |
| CN106482881B (en) | 2018-10-16 |
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