CN105737747A - Reciprocating-type film thickness measuring instrument - Google Patents
Reciprocating-type film thickness measuring instrument Download PDFInfo
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- CN105737747A CN105737747A CN201610299494.7A CN201610299494A CN105737747A CN 105737747 A CN105737747 A CN 105737747A CN 201610299494 A CN201610299494 A CN 201610299494A CN 105737747 A CN105737747 A CN 105737747A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
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- Length Measuring Devices By Optical Means (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention provides a reciprocating-type film thickness measuring instrument. The reciprocating-type film thickness measuring instrument comprises an oil cup, a transparent solid arranged in the oil cup, a moving system connected with the transparent solid and used for driving the transparent solid to linearly move in a reciprocating manner in the oil cup; a spherical body arranged in the oil cup, wherein the top end of the spherical body is tightly abutted against the lower end surface of the transparent solid, and the spherical body and the transparent solid form a friction pair; a microscope arranged above the transparent solid; a loading system applying a load to the spherical body from bottom to top. The reciprocating-type film thickness measuring instrument is special for measuring the thickness of a liquid film between the friction pair under a linear reciprocating moving condition, the pressure and the speed of the friction pair and the temperature of a lubricant can be adjusted, and a plurality of working conditions can be simulated, so that the measuring precision is high, and the stability is good; in addition, the working condition of the friction pair can be conveniently adjusted, and the filming condition of the lubricant under various conditions can be measured.
Description
Technical field
The present invention relates to a kind of reciprocating film thickness measuring instrument, be primarily adapted for use in the fluid lubricant thickness of friction pair contact area when measuring reciprocating motion.
Background technology
Straight reciprocating motion is one of modal forms of motion of mechanism in actual industrial production.Such as, in electromotor, cylinder and piston, rail plate and slide block etc. are all typical linear reciprocating mechanisms.These motions are all often that a part is fixing, and another part does linear reciprocating motion, and in motor process, both inevitably come in contact and rub, and cause the abrasion of contact surface.Once wear and tear, the precision of kinematic pair can reduce, and then reduces performance and the life-span of system.Therefore, develop straight reciprocating motion friction pair film thickness measuring instrument, behavior and failure regularity to the film forming ability and lubricating film of studying lubricant, improves linear re-ciprocating motion mechanism performance, optimizes the lubricant effect of lubriation material and have important theory value and practical significance service life.
At present, but without be specifically designed to measure straight reciprocating motion when friction pair between the measurement apparatus of liquid thickness.
In sum, prior art there is problems in that but without be specifically designed to measure straight reciprocating motion when friction pair between the measurement apparatus of liquid thickness, it is impossible to accurately measure the liquid thickness between friction pair when straight reciprocating motion.
Summary of the invention
The present invention provides a kind of reciprocating film thickness measuring instrument, liquid thickness between friction pair when to solve cannot accurately measure straight reciprocating motion.
For this, the present invention proposes a kind of reciprocating film thickness measuring instrument, and described reciprocating film thickness measuring instrument includes:
Lubricating cup；
Transparent solid, is arranged in described lubricating cup；
Motor system, connects described transparent solid and drives described transparent solid reciprocating linear in described lubricating cup to move；
Spheroid, is arranged in described lubricating cup, and the top of described spheroid is pushed against on the lower surface of described transparent solid；Described spheroid forms friction pair with described transparent solid；
Microscope, is arranged on the top of described transparent solid；
Loading system, applies load to described spheroid from bottom to up.
Further, described reciprocating film thickness measuring instrument also includes: a support system, described lubricating cup, described motor system, described microscope and described loading system are by described support system support.
Further, described motor system includes:
Motor；
Eccentric wheel structure, connects described motor；
Guide supporting platform；
Sliding shoe, can being arranged on described guide supporting platform and connect described eccentric wheel structure of linear slide；
Limited impression, is arranged on described sliding shoe, and described limited impression has linear sidewall；
Wherein, described transparent solid is connected on described sliding shoe；Described motor drives described eccentric wheel structure to drive sliding shoe to do reciprocating linear along the sidewall of limited impression on described guide supporting platform and moves.
Further, described eccentric wheel structure includes:
Rotor, connects the rotating shaft of described motor；
Throw bearing, is arranged on described rotor；
Stroke rotating shaft, is sheathed in described Throw bearing, and the off(-)center of the center of described Throw bearing or stroke rotating shaft and described rotor is arranged, and described Throw bearing is arranged in described limited impression；
The relatively described rotor of described Throw bearing does eccentric motion, and in eccentric motion, described Throw bearing acts on the sidewall of limited impression, moves thus promoting described sliding shoe to do reciprocating linear on described guide supporting platform.
Further, described loading system includes:
Lever bracket；
Lever, is hinged on described lever bracket by lever shaft, and the first end of lever connects described lubricating cup, and the second end of lever is connected to hook, and the first end of lever and the second end of lever lay respectively at the both sides of described lever shaft.
Further, described support system includes: leg and the base plate being arranged on described leg, described guide supporting platform, described lever bracket and described microscope are arranged on above described base plate, and described motor is arranged on the lower section of described base plate, and described eccentric wheel structure is arranged on above described base plate.
Further, described reciprocating film thickness measuring instrument also includes:
Lever support, is supported on the lower section of described lever bracket；
Adjust the knob of lever bracket lifting, be connected with threaded engagement with lever bracket, and described knob is connected by knob bearing with lever support.
Further, described reciprocating film thickness measuring instrument also includes: be arranged on the heating rod in described lubricating cup.
Further, described spheroid is arranged in ball seat, and described ball seat has clamping or the holding tank of fixing described spheroid, and described ball seat is connected with described lubricating cup.
Further, described transparent solid is sapphire sheet, and described spheroid is steel ball.
Present invention aim to provide a kind of measurement instrument that can measure liquid lubrication film thickness between linear reciprocating motion friction pair.Drive described transparent solid reciprocating linear in described lubricating cup to move by motor system, observe the liquid thickness modified-image between transparent solid and spheroid by microscope, it is known that lubrication film thickness.
Present configuration is simple, and convenient processing and manufacture, whole reciprocating film thickness measuring instrument compact conformation, volume is little, and energy consumption is low.Driving and realized by motor, linear movement is realized by an eccentric stiffener.The movement length of linear movement can adjust, and reaches to control the purpose of movement velocity and move distance between friction pair.By adjusting the hook convenient contact pressure adjusted between friction pair of upper load weight, heating rod can adjust the temperature of lubricant, measures the thickness of lubricating film under various working condition.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the reciprocating film thickness measuring instrument of the present invention；
Fig. 2 is the schematic diagram of the eccentric wheel structure of the present invention；
Fig. 3 is the mounting structure schematic diagram of the friction pair of the present invention；
Fig. 4 is the mounting structure schematic diagram of the spheroid of the present invention；
Fig. 5 is the structural representation of the lever support of the present invention；
Fig. 6 is the decomposition texture schematic diagram of the friction pair of the present invention.
Drawing reference numeral illustrates:
1, leg 2, base plate 3, guide supporting platform 4, guide rail slide block 5, sliding shoe 6, shaft coupling 7, fixing bar 8, lubricating cup 9, sapphire bearing 10, microscope 11, sapphire sheet 12, heating rod 13, lever bracket 14, lever 15, hook 16, knob 17, lever support 18, motor 19, rotor 20, cushion block 21, stroke adjustment block 22, stroke rotating shaft 23, Throw bearing 24, spherical cap 25, lever bearing 26, lever shaft 27, ball seat 28, steel ball 29, knob bearing
Detailed description of the invention
In order to the technical characteristic of the present invention, purpose and effect are more clearly understood from, now comparison accompanying drawing illustrates the present invention.
As it is shown in figure 1, the present invention proposes a kind of reciprocating film thickness measuring instrument, described reciprocating film thickness measuring instrument includes:
Lubricating cup 8, the inside holds liquid, for instance hold oil, observes friction pair for reciprocating film thickness measuring instrument and provides the liquid needed for oil film；
Transparent solid (being such as glass or sapphire sheet 11), is arranged in described lubricating cup 8；
Motor system, connects described transparent solid and drives described transparent solid reciprocating linear in described lubricating cup 8 to move；
Spheroid (being such as steel ball 28), is arranged in described lubricating cup, and the top of described spheroid is pushed against on the lower surface of described transparent solid；Described spheroid forms friction pair with described transparent solid；
Microscope 10, is arranged on the top of described transparent solid, so, does not affect the friction between spheroid and described transparent solid, it is also possible to observe Thickness Variation situation therebetween；
Loading system, applies load to described spheroid from bottom to up, it is possible to adjust the contact pressure between friction pair.
The present invention drives described transparent solid reciprocating linear in described lubricating cup to move by motor system, observes the liquid thickness modified-image between transparent solid and spheroid by microscope, it is known that lubrication film thickness.
Further, as it is shown in figure 1, described motor system includes:
Motor 18；
Eccentric wheel structure, connects described motor 18；
Guide supporting platform 3, the slip for sliding shoe provides track and support；
Sliding shoe 5, can being arranged on described guide supporting platform 3 and connect described eccentric wheel structure of linear slide；Sliding shoe 5 is bolted on the slide block in guide rail slide block 4, and the guide rail in guide rail slide block 4 is bolted on guide supporting platform 3；Slide block in guide rail slide block 4 can slide in opposite rail slide block 4, support platform 3 slide thus realizing sliding shoe 5 opposite rail；
Limited impression, is arranged on described sliding shoe 5, and sliding shoe 5 can be L-type, or is notch cuttype, and limited impression is arranged on sliding shoe 5 right-hand member or the bottom near right-hand member, and the left end of sliding shoe 5 can move by reciprocating linear on guide supporting platform 3；Sapphire sheet 11 is bolted, and dismountable is arranged in sapphire bearing 9；Sapphire bearing 9 is bolted the top at sliding shoe 5 right-hand member；Described limited impression has linear sidewall, for instance, limited impression is rectangular recess；
Wherein, described transparent solid (such as, sapphire sheet 11) is connected on described sliding shoe 5；Described motor 18 drives described eccentric wheel structure to drive sliding shoe 5 to do reciprocating linear along the sidewall of limited impression on described guide supporting platform 3 and moves, thus, transparent solid is (such as, sapphire sheet 11) can move by reciprocating linear in lubricating cup 8, rub with the spheroid (such as steel ball 28) being arranged in lubricating cup 8, form friction pair.
Motor system adopts said structure, and the reciprocating linear that the rotation of motor is converted into transparent solid (such as, sapphire sheet 11) moves, and drives stable, and whole reciprocating film thickness measuring instrument compact conformation, volume is little, and energy consumption is low.
Further, as in figure 2 it is shown, described eccentric wheel structure includes:
Rotor 19, for instance for shaft-like or plate-like or ladder shaft-like, connects the rotating shaft of described motor 18, it is possible to for coaxially connected；
Throw bearing 23, is arranged on described rotor 19, it is also possible to be called the bearing being set on rotor 19；
Stroke rotating shaft 22 (rotating shaft also referred to as eccentric structure), it is sheathed in described Throw bearing 23, the off(-)center of the center of described Throw bearing 23 or stroke rotating shaft 22 and described rotor 19 is arranged, thus forming bias, and described Throw bearing 23 is arranged in described limited impression；
The relatively described rotor 19 of described Throw bearing 23 does eccentric motion, in eccentric motion, described Throw bearing 23 acts on the sidewall of limited impression, owing to sliding shoe 5 is by the effect of the guide rail in guide rail slide block 4 and slide block, sliding shoe 5 can only do reciprocating linear on described guide supporting platform 3 and move, without rotating, move so described sliding shoe 5 does reciprocating linear on described guide supporting platform 3.When motor 18 rotates, the Throw bearing 23 being positioned at sliding shoe 5 groove can promote sliding shoe 5 to two lateral movements, forms linear reciprocating motion.Motor 18 often rotates a circle, and sliding shoe 5 just moves back and forth one back and forth.
Adopt Throw bearing 23 and stroke rotating shaft 22, it is possible to reduce resistance or the friction of sliding shoe 5 motion so that sliding shoe 5 moves fast sensitive, too increases the service life of reciprocating film thickness measuring instrument.It addition, above-mentioned eccentric wheel structure makes respectively, spaces compact.
It addition, eccentric wheel structure can also include: cushion block 20 and stroke adjustment block 21.Rotor 19 is such as ladder shaft-like, the top of rotor 19 is provided with fluting, the diapire of fluting is provided with stroke adjustment block 21, Throw bearing 23 and stroke rotating shaft 22 are arranged on stroke adjustment block 21, the sidewall of fluting is provided with the adjustment bolt held out against on stroke regulating block 21 side, the position of stroke adjustment block 21 can be adjusted, namely adjust eccentric position or the eccentric degree of stroke adjustment block 21, reach to control the purpose of rectilinear motion distance.Further, it is also possible to arrange cushion block 20 in fluting, for adjusting Throw bearing 23 and the height of stroke rotating shaft 22.Stroke adjustment block 21 can slide on cushion block 20, can control sliding shoe 5 displacement and the displacement of sapphire block 11 by adjusting the position of stroke adjustment block 21.
Further, as shown in figures 1 and 3, described loading system includes:
Lever bracket 13, provides for lever and supports；
Lever 14, is hinged on described lever bracket 13 by lever shaft 25, and the first end of lever 13 connects described lubricating cup 8, and the second end of lever is connected to hook 15, and the first end of lever and the second end of lever lay respectively at the both sides of described lever shaft 25.Lubricating cup 8 is connected with lever 14 by two fixing bars 7, forms immovable entirety.Lever 14 is connected with lever bracket 13 by lever bearing 25 and lever shaft 26, and due to the existence of lever bearing 25, lever 14 can rotate around lever shaft 26.When having load on the hook 15 at lever 14 rear portion, as shown in Figure 6, steel ball 28 will contact with certain pressure with sapphire sheet 11.The pressure that lubricating oil film between the two bears also changes therewith, thus, pass through loading system, it is possible to adjust the pressure between steel ball 28 meeting and sapphire sheet 11.The said structure of loading system, loads easily, easy to adjust, does not affect detection.
Further, described reciprocating film thickness measuring instrument also includes: a support system, described lubricating cup 8, described motor system, described microscope 10 and described loading system are by described support system support.In such manner, it is possible to provide stable testing conditions, also allow for the spatial distribution of each parts.
Further, as shown in Figure 1, described support system includes: leg 1 and the base plate 2 being arranged on described leg, described guide supporting platform 3, described lever bracket 13 and described microscope 10 are arranged on the top of described base plate 2, described motor 18 is arranged on the lower section of described base plate 2, and described eccentric wheel structure is arranged on the top of described base plate 2.By the separation of leg 1 and base plate 2, rationally, compact conformation is also non-interference for the distribution of each space of components position.
Further, as it is shown in figure 5, described reciprocating film thickness measuring instrument also includes:
Lever support 17, is supported on the lower section of described lever bracket 13；
Adjust the knob 16 of lever bracket lifting, be connected with threaded engagement with lever bracket 13, and described knob 16 is connected by knob bearing 29 with lever support 17.Lever bracket 13 can be column, knob 16, knob bearing 29 and lever support 17 are sleeve-shaped, have rectangular recess bottom lever bracket 13, and lever support 17 is internal rectangular preiection, both are possible to prevent lever bracket 13 to rotate at cooperation, but lever bracket 13 can move up and down relative to lever support 17.Knob 16 is connected by knob bearing 29 with lever support 17, and owing to lever support 17 is fixed, therefore knob 16 can rotate.Lever bracket 13 and knob 16 are with threaded engagement, and when knob 16 rotates, lever bracket 13, because rotating, can move up and down, and therefore can adjust lever 14, lubricating cup 8 and steel ball 28 position in the vertical direction.
Further, as it is shown in figure 1, described reciprocating film thickness measuring instrument also includes: be arranged on the heating rod 12 in described lubricating cup 8.Heating rod 12 can adjust lubricating cup 8 and the temperature of internal lubrication oil thereof.
Further, as shown in Figure 4, described spheroid is arranged in ball seat 27, and described ball seat 27 has clamping or the holding tank of fixing described spheroid, and described ball seat 27 is connected with described lubricating cup 8.In order to better fix spheroid, a spherical cap 24, spherical cap 24 and ball seat 27 are set at the top of spheroid and are threaded connection, steel ball 28 is fixed.Three is placed in the hole of lubricating cup 8 upper end together.By arranging spherical cap 24 and ball seat 27, it is possible to keep spheroid to be arranged on the stability in lubricating cup 8, in that context it may be convenient to change spheroid.
Further, described transparent solid is sapphire sheet 11, and to have appropriate hardness and abrasion resistance, described spheroid is steel ball 28, it is simple to fabrication and installation.
Introducing installation process and the operation principle of the present invention below:
As it is shown in figure 1, motor 18 is bolted on base plate 2, leg 1 welds on a base plate 2.It is connected by key between motor 18 with shaft coupling 6, connects also by key between shaft coupling 6 and rotor 19.Guide supporting platform 3 is bolted on base plate 2, and the guide rail in guide rail slide block 4 is bolted on guide supporting platform 3.Sliding shoe 5 is connected with the slide block in guide rail slide block 4 by bolt.Therefore sliding shoe 5 can at slide on rails.
When motor 18 rotates, rotated with motor 18 together with rotor 19 by shaft coupling 6.Cushion block 20 is placed in the groove of rotor 19 by interference fit, it is impossible to mobile.Stroke adjustment block 21 is placed on cushion block 20, it is possible to slide on cushion block 20, the position of bolt energy fixed journey system regulating block 21 of screwing in the screwed hole on rotor 19.There is screw thread stroke rotating shaft 22 lower end, is screwed on stroke adjustment block 21.Throw bearing 23 coordinates with stroke rotating shaft 22, it is possible to rotate.The entirety that now cushion block 20, stroke adjustment block 21, stroke rotating shaft 22 and Throw bearing 23 4 are formed can together with along with rotation.The groove of sliding shoe 5 lower surface limited location, Throw bearing 23 is placed in spacing groove.When the center of Throw bearing 23 is not when the center of rotation of motor 18, form eccentric wheel structure.
When motor 18 rotates, the Throw bearing 23 being positioned at sliding shoe 5 groove can promote sliding shoe 5 to two lateral movements, forms linear reciprocating motion.Motor 18 often rotates a circle, and sliding shoe 5 just moves back and forth one back and forth.The position of adjustment stroke regulating block 21 just can change eccentric degree, reaches to control the purpose of rectilinear motion distance.
Steel ball 28 is fixed by spherical cap 24 and ball seat 27, and three is placed in lubricating cup 8 together.Lubricating cup 8 surface is fluted, is used for holding lubricating oil, and the lower surface of sapphire sheet 11 is positioned at inside grooves.When having lubricating oil in lubricating cup 8, pasta is higher than sapphire sheet 11 lower surface, will form lubricating film between steel ball 28 and sapphire sheet 11.
Lubricating cup 8 is connected with lever 14 by two fixing bars 7, forms immovable entirety.Lever 14 is connected with lever bracket 13 by lever bearing 25 and lever shaft 26, and due to the existence of lever bearing 25, lever 14 can rotate around lever shaft 26.When having load on the hook 15 at lever 14 rear portion, steel ball 28 will contact, with certain pressure, the pressure that lubricating oil film between the two bears with sapphire sheet 11 and also change therewith.
Having rectangular recess bottom lever bracket 13, lever support 17 is internal rectangular preiection, and both cooperatively form clamping, it is possible to prevent lever bracket 13 from rotating, but lever bracket 13 can move up and down relative to lever support 17.Knob 16 is connected by knob bearing 29 with lever support 17, and owing to lever support 17 is fixed, therefore knob 16 can rotate.Lever bracket 13 and knob 16 are with threaded engagement, and when knob 16 rotates, lever bracket 13, because rotating, can move up and down, and therefore can adjust lever 14, lubricating cup 8 and steel ball 28 position in the vertical direction.
Microscope 10 is bolted on base plate 2, and sapphire sheet 11 is bolted on sapphire bearing 9.
Heating rod 12 can adjust lubricating cup 8 and the temperature of internal lubrication oil thereof, can adjust the speed of friction pair by changing motor speed, and therefore, the pressure between friction pair, speed, temperature can adjust, the different operating mode of simulation.When forming composite lubricating film between steel ball 28 and sapphire sheet 11, microscope 10 captures contact area interference image produced by Thickness Variation, under different pressures and speed, the brightness at center, contact area is different, the change of thickness can be calculated, therefore by analyzing known lubrication film thickness by the change of brightness.
The reciprocating film thickness measuring instrument of the present invention can realize the measurement of lubricant film thickness between friction pair.Present configuration is simple, and convenient processing and manufacture, whole making compact conformation, volume is little, and energy consumption is low.Driving and realized by motor, linear movement is realized by an eccentric stiffener.The movement length of linear movement can adjust, and reaches to control the purpose of movement velocity and move distance between friction pair.By adjusting the hook convenient contact pressure adjusted between friction pair of upper load weight, heating rod can adjust the temperature of lubricant, measures the thickness of lubricating film under various working condition.
The present invention is specifically designed to liquid thickness when measuring straight reciprocating motion between friction pair, and can adjust the temperature of friction pair pressure, speed and lubricant, simulates multiple working condition, and the present invention has that certainty of measurement is high and the feature such as good stability.The working condition of friction pair can be adjusted easily, measure the film forming situation of lubricant under various operating mode.
The foregoing is only the schematic detailed description of the invention of the present invention, be not limited to the scope of the present invention.Each ingredient for the present invention can be mutually combined when not conflicting, any those skilled in the art, equivalent variations done under without departing from the design of the present invention and the premise of principle and amendment, all should belong to the scope of protection of the invention.
Claims (10)
1. a reciprocating film thickness measuring instrument, it is characterised in that described reciprocating film thickness measuring instrument includes:
Lubricating cup；
Transparent solid, is arranged in described lubricating cup；
Motor system, connects described transparent solid and drives described transparent solid reciprocating linear in described lubricating cup to move；
Spheroid, is arranged in described lubricating cup, and the top of described spheroid is pushed against on the lower surface of described transparent solid；Described spheroid forms friction pair with described transparent solid；
Microscope, is arranged on the top of described transparent solid；
Loading system, applies load to described spheroid from bottom to up.
2. reciprocating film thickness measuring instrument as claimed in claim 1, it is characterised in that described reciprocating film thickness measuring instrument also includes a: support system, described lubricating cup, described motor system, described microscope and described loading system are by described support system support.
3. reciprocating film thickness measuring instrument as claimed in claim 2, it is characterised in that described motor system includes:
Motor；
Eccentric wheel structure, connects described motor；
Guide supporting platform；
Sliding shoe, can being arranged on described guide supporting platform and connect described eccentric wheel structure of linear slide；
Limited impression, is arranged on described sliding shoe, and described limited impression has linear sidewall；
Wherein, described transparent solid is connected on described sliding shoe；Described motor drives described eccentric wheel structure to drive sliding shoe to do reciprocating linear along the sidewall of limited impression on described guide supporting platform and moves.
4. reciprocating film thickness measuring instrument as claimed in claim 3, it is characterised in that described eccentric wheel structure includes:
Rotor, connects the rotating shaft of described motor；
Throw bearing, is arranged on described rotor；
Stroke rotating shaft, is sheathed in described Throw bearing, and the off(-)center of the center of described Throw bearing or stroke rotating shaft and described rotor is arranged, and described Throw bearing is arranged in described limited impression；
The relatively described rotor of described Throw bearing does eccentric motion, and in eccentric motion, described Throw bearing acts on the sidewall of limited impression, moves thus promoting described sliding shoe to do reciprocating linear on described guide supporting platform.
5. reciprocating film thickness measuring instrument as claimed in claim 4, it is characterised in that described loading system includes:
Lever bracket；
Lever, is hinged on described lever bracket by lever shaft, and the first end of lever connects described lubricating cup, and the second end of lever is connected to hook, and the first end of lever and the second end of lever lay respectively at the both sides of described lever shaft.
6. reciprocating film thickness measuring instrument as claimed in claim 5, it is characterized in that, described support system includes: leg and the base plate being arranged on described leg, described guide supporting platform, described lever bracket and described microscope are arranged on above described base plate, described motor is arranged on the lower section of described base plate, and described eccentric wheel structure is arranged on above described base plate.
7. reciprocating film thickness measuring instrument as claimed in claim 5, it is characterised in that described reciprocating film thickness measuring instrument also includes:
Lever support, is supported on the lower section of described lever bracket；
Adjust the knob of lever bracket lifting, be connected with threaded engagement with lever bracket, and described knob is connected by knob bearing with lever support.
8. reciprocating film thickness measuring instrument as claimed in claim 1, it is characterised in that described reciprocating film thickness measuring instrument also includes: be arranged on the heating rod in described lubricating cup.
9. reciprocating film thickness measuring instrument as claimed in claim 1, it is characterised in that described spheroid is arranged in ball seat, described ball seat has clamping or the holding tank of fixing described spheroid, and described ball seat is connected with described lubricating cup.
10. reciprocating film thickness measuring instrument as claimed in claim 1, it is characterised in that described transparent solid is sapphire sheet, described spheroid is steel ball.
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| CN201610299494.7A CN105737747B (en) | 2016-05-09 | 2016-05-09 | Reciprocating film thickness measuring instrument |
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| CN201610299494.7A CN105737747B (en) | 2016-05-09 | 2016-05-09 | Reciprocating film thickness measuring instrument |
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| CN109520921A (en) * | 2018-12-14 | 2019-03-26 | 中国民航大学 | A kind of optical measuring device of reciprocating friction secondary surface friction, lubrication performance |
| CN109813239A (en) * | 2019-02-17 | 2019-05-28 | 青岛理工大学 | Cam-tappet contact pair lubricating oil film measuring instrument and use method thereof |
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| CN106908380A (en) * | 2017-03-31 | 2017-06-30 | 苏子昊 | A kind of use for laboratory frictional behaviour experimental rig |
| CN109520921A (en) * | 2018-12-14 | 2019-03-26 | 中国民航大学 | A kind of optical measuring device of reciprocating friction secondary surface friction, lubrication performance |
| CN109520921B (en) * | 2018-12-14 | 2020-12-01 | 中国民航大学 | Optical measuring device for surface friction lubricating performance of reciprocating friction pair |
| CN109813239A (en) * | 2019-02-17 | 2019-05-28 | 青岛理工大学 | Cam-tappet contact pair lubricating oil film measuring instrument and use method thereof |
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