CN110501249A - A kind of alternating temperature abrasion instrument that can be studied rubber simultaneously and roll with sliding friction behavior - Google Patents
A kind of alternating temperature abrasion instrument that can be studied rubber simultaneously and roll with sliding friction behavior Download PDFInfo
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- CN110501249A CN110501249A CN201910872074.7A CN201910872074A CN110501249A CN 110501249 A CN110501249 A CN 110501249A CN 201910872074 A CN201910872074 A CN 201910872074A CN 110501249 A CN110501249 A CN 110501249A
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- abrasion
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- grinding wheel
- sliding friction
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- 238000005299 abrasion Methods 0.000 title claims abstract description 126
- 238000005096 rolling process Methods 0.000 claims abstract description 41
- 238000005259 measurement Methods 0.000 claims abstract description 4
- 238000012360 testing method Methods 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 230000009466 transformation Effects 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010058 rubber compounding Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The present invention relates to the alternating temperature abrasion instruments that one kind can study rubber rolling and sliding friction behavior simultaneously, including grinding wheel, the abrasion wheel contacted with grinding wheel, abrasion wheel is circumferential to be contacted with abrasive wheel end face, and grinding wheel rotation drives abrasion wheel rotation, generates rolling friction and sliding friction simultaneously between abrasion wheel and grinding wheel.Abrasion instrument of the invention can be realized simultaneously measurement rubber rolling friction and sliding friction behavior, obtain the abrasion loss under two kinds of friction conditions, and with being gradually increased for cylinder volume under pressure, realize friction behavior of the rubber ring on grinding wheel of abrasion wheel outer ring to the transformation based on rolling friction, greatly expanding its application range based on sliding friction.
Description
Technical field
The present invention relates to the alternating temperature abrasion instruments that one kind can measure rubber rolling friction and sliding friction behavior simultaneously, mainly
Reappear the complicated friction behavior of rolling tire tyre surface and ground face contact.
Background technique
Currently, traditional rubber abrasion owner will have Akron abrasion machine, DIN abrasion machine etc..Akron abrasion machine is to grind
Based on the rolling wear hardness for studying carefully rubber material, and DIN abrasion machine is only capable of obtaining the sliding wear hardness of rubber material.On although
It states rubber abrasion machine to be widely used, but not can be implemented simultaneously rolling and sliding friction, have research rubber friction in the form of a single
Disadvantage can not reappear friction behavior complicated between tire and ground.In addition, above-mentioned abrasion machine can only measure the rubber under room temperature
Wear hardness, therefore cannot preferably reflect that the viscoelasticity heat in tire high speed scroll due to rubber material causes temperature to increase
Influence to rubber abrasion performance.
Summary of the invention
In order to solve the above-mentioned technical problem, the invention proposes one kind can measure rubber rolling friction and sliding friction simultaneously
The abrasion instrument of behavior has expanded its application range significantly, and facilitates adjustable, and rolling can only be studied by avoiding traditional rubber abrasion machine
The shortcomings that dynamic friction or sliding friction, reappeared tire roll in not only there is rolling friction there are the complicated of sliding friction to wear away again
Mechanism is therefore particularly suited for the mechanism of abrasion research of tire tread.
One kind according to the present invention can measure the abrasion instrument of rubber rolling friction and sliding friction behavior simultaneously, it includes
Cylinder 1, piston rod 2, cleaning wheel 3, bearing 4, air inlet pipe 5, glass vision panel 6, rubber seal 7, collecting board 8, counter 9, branch
Frame 10, motor fixing plate 11, motor 12, shaft coupling 13, main shaft 14, grinding wheel 15, thermocouple 16, heating sheet 17, abrasion wheel 18, rubber
Rubber ring 19, high speed camera 20 and cross connecting plate 21 form.Piston rod 2 in cylinder 1 passes through cross connecting plate 21 and circumferential friendship
The abrasion wheel 18 with rubber ring 19 and cleaning wheel 3 of mistake arrangement are connected, and speed regulating motor 12 is connected with shaft coupling 13 and drives master
Axis 14 rotates, and main shaft upper end couples grinding wheel 15, so that grinding wheel 15 be driven to rotate, and further drives abrasion wheel 18 by frictional force
Rotation；Inflating when 1 top of cylinder pushes piston rod 2 to push, to make the rubber ring 19 on abrasion wheel 18 in 15 upper surface of grinding wheel
It contacts and rubber ring 19 is caused to generate certain vertical compression displacement and contact pressure；It is worn away when grinding wheel 15 drives by frictional force
When 18 rotation of wheel, rolling friction and sliding friction can be generated simultaneously on the contact interface of rubber ring 19 and grinding wheel 15；Open up tool
There is the collecting board 8 of certain tilt angle to collect the rubber powder blown off by air inlet pipe 5, grinding wheel inside 6 observable of glass vision panel
The rotation situation taken turns with abrasion, while also openable collection rubber powder.To guarantee that entire abrasion room is closed, in collecting board 8
Between between main shaft 14 increase rubber seal 7；In addition, heating sheet 17 is arranged on the inner wall of abrasion room, so that mill can be improved
Consume the environment temperature in room, realize research to rubber high temperature wear performance, temperature is controlled by thermocouple 16, and with heating sheet 17
Linkage, realizes the automatic control of temperature.In order to observe the abrasion pattern on 19 surface of rubber ring in abrasion test, it is arranged at an upper portion thereof
The appearance of shooting can be worn away pattern picture and be transferred to computer by high speed camera system, realize online observation and measurement abrasion print
The size of trace striped.It is replaceable with adjusting in addition, in order to realize wear hardness with grinding wheel 15 in the case of abrasion 18 lateral deviations of wheel
The radial line of the cross connecting plate 22 of screw and guide groove, the shaft centre line and grinding wheel that take turns abrasion forms certain angle and generates side
The state rolled partially.Further, since motor 12 uses direct current generator or variable-frequency motor, appoint the revolving speed of grinding wheel in a certain range
It anticipates adjustable, meets the test of rubber abrasion performance under different rotating speeds.
The present invention reappears the complicated friction behavior of rolling tire tyre surface and ground face contact.The rubber abrasion instrument is by direct current drive
Machine or the ac motor of frequency conversion are rotated by the grinding wheel on shaft coupling drive main shaft, are set above grinding wheel centainly thick there are two having
The round wheel and two surfaces of wearing away for spending rubber ring has the cleaning wheel of hairbrush shape, and abrasion, which are taken turns, and cleaning wheel is staggered passes through ten
Font connecting plate is connected with the piston rod of cylinder, to provide certain pressure for two abrasion wheels, guarantees abrasion wheel and grinding wheel
Between contact pressure remained unchanged during experimental test.When grinding wheel rotates, since the effect of frictional force drives rubber abrasion
Wheel is also rotated.The rubber powder generated during abrasion test is blown off and is collected by cleaning wheel and compressed air.Grinding wheel
The circle number of rotation can measure the label on shaft coupling by counter and be recorded, to further obtain the perimeter of grinding wheel rotation
With the distance of abrasion wheel rotation, stops test after reaching the revolution or abrasion wheel rolling distance of test determination, then pass through collection
Plate collects rubber powder.The rubber powder quality being collected into is weighed, rubber abrasion then can be obtained divided by the density of rubber
Wheel rolls the wear volume after certain distance, to evaluate the wear hardness of rubber compounding.The key of entire test rubber abrasion
Component is respectively positioned in closed space, therefore can realize the abrasion situation that rubber is tested under room temperature to high temperature different temperatures.The rubber
The friction behavior of rubber abrasion wheel in the rolling can be found out by simulation analysis while have rolling and sliding friction in glue abrasion instrument
Behavior, this is consistent with the friction behavior on ground with actual tire tyre surface, overcomes traditional rubber abrasion machine and can only measure rolling and rubs
The drawbacks of wiping or sliding friction rubber abrasion volume.In addition, the top of the rubber abrasion instrument, which is equipped with high-speed photography system, to be obtained
The abrasion striped pattern for obtaining rubber ring surface under different moments in wear test, realizes on-line testing and observation.Therefore, the invention
Information abundant is provided to study friction behavior and the mechanism of abrasion of rubber, there is important engineering application value, it is especially suitable
Together in the wear hardness of study of tire tread rubber.
The present invention proposes that the abrasion instrument of rubber can be realized simultaneously measurement rubber rolling friction and sliding friction behavior, obtains
Abrasion loss under two kinds of friction conditions, and being gradually increased with cylinder volume under pressure make friction row of the rubber ring on grinding wheel
To realize to the transformation based on rolling friction, greatly expanding its application range based on sliding friction.In confined space
The wear hardness of rubber is tested, the heating sheet that can link by thermocouple temperature measurement is realized by under room temperature to high temperature condition of different temperatures
Wear test, this is significant to the rubber abrasion mechanism under researching high-temperature.The top of the rubber abrasion instrument is equipped with high speed
Photographic system can obtain the abrasion pattern of rubber ring surface under different moments in wear test, realize on-line testing and observation.
Therefore, which provides information abundant for the friction behavior and mechanism of abrasion for studying rubber, has important engineer application
Value, the wear hardness particularly suitable for study of tire tread rubber.
Detailed description of the invention
Fig. 1 is the B-B cross-sectional view of rubber abrasion instrument of the present invention；
Fig. 2 is the A-A cross-sectional view of rubber abrasion instrument of the present invention；
Fig. 3 is the lateral deviation status diagram of abrasion wheel；
Fig. 4 is for wearing away the cross connecting plate in the case of taking turns lateral deviation；
Fig. 5 is the motion conditions that the single abrasion wheel that finite element modelling obtains is contacted with grinding wheel；
A grinding wheel and abrasion wheel rotation direction schematic diagram
B bottom view
C bottom view partial enlargement
Fig. 6 is horizontal sliding situation of the abrasion wheel of finite element prediction on grinding wheel；
Fig. 7 is circumferential sliding situation of the abrasion wheel of finite element prediction on grinding wheel；
Fig. 8 is the frictional shearing of rubber ring during the abrasion that finite element modelling obtains are taken turns；
Fig. 9 is that upper rubber ring is taken turns in the abrasion that finite element modelling obtains and the pressure of grinding wheel contact zone is distributed；
Figure 10-12 is the rolling friction and sliding of rubber loop interface under the difference cylinder volume under pressure that finite element modelling obtains
The area distribution of friction；
Abrasion wheel and the rolling and sliding area distribution on grinding wheel contact surface when Figure 10 piston rod pushes 0.4mm
(black region indicates rolling friction part, and gray area indicates sliding friction part)
Abrasion wheel and the rolling and sliding area distribution on grinding wheel contact surface when Figure 11 piston rod pushes 0.7mm
(black region indicates rolling friction part, and gray area indicates sliding friction part)
Abrasion wheel and the rolling and sliding area distribution on grinding wheel contact surface when Figure 12 piston rod pushes 1mm
(black region indicates rolling friction part, and gray area indicates sliding friction part)
Figure 13 is the Static stiffness curve for the abrasion wheel that finite element modelling obtains.
Specific embodiment
Below according to attached drawing to the change that can measure rubber rolling friction and sliding friction behavior simultaneously proposed by the invention
Warm abrasion instrument is specifically described.
As shown in Figure 1-3, the alternating temperature mill of the present invention that rubber rolling friction and sliding friction behavior can be measured simultaneously
Instrument is consumed by cylinder 1, piston rod 2, cleaning wheel 3, bearing 4, air inlet pipe 5, glass vision panel 6, rubber seal 7, collecting board 8, counting
Device 9, bracket 10, motor fixing plate 11, motor 12, shaft coupling 13, main shaft 14, grinding wheel 15, thermocouple 16, heating sheet 17, abrasion
Wheel 18, rubber ring 19, high speed camera 20 and cross connecting plate 21 form.Piston rod 2 in cylinder 1 by cross connecting plate 21 with
The abrasion wheel 18 with rubber ring 19 and cleaning wheel 3 of circumferentially staggered arrangement are connected, and speed regulating motor 12 is connected with shaft coupling 13
Driving spindle 14 rotates, and main shaft upper end couples grinding wheel 15, so that grinding wheel 15 be driven to rotate, and is further driven and is ground by frictional force
18 rotation of consumption wheel；Inflating when 1 top of cylinder pushes piston rod 2 to push, to make the rubber ring 19 on abrasion wheel 18 in grinding wheel 15
Upper surface contacts and rubber ring 19 is caused to generate certain vertical compression displacement and contact pressure；When grinding wheel 15 is by frictional force band
When dynamic 18 rotation of abrasion wheel, rolling friction and sliding friction can be generated simultaneously on the contact interface of rubber ring 19 and grinding wheel 15；
It opens up the collecting board 8 with certain tilt angle and collects and pass through the rubber powder that air inlet pipe 5 is blown off, in 6 observable of glass vision panel
The rotation situation of portion's grinding wheel and abrasion wheel, while also openable collection rubber powder.To guarantee that entire abrasion room is closed, collecting
Increase rubber seal 7 among plate 8 between main shaft 14；In addition, heating sheet 17 is arranged, on the inner wall of abrasion room so as to mention
Interior environment temperature in height abrasion room, realizes the research to rubber high temperature wear performance, and temperature is controlled by thermocouple 16, and with
Heating sheet 17 links, and realizes the automatic control of temperature.In order to observe the abrasion pattern on 19 surface of rubber ring in abrasion test, at it
High speed camera system is arranged in top, the appearance of shooting can be worn away pattern picture and be transferred to computer, realize online observation and survey
The size of amount abrasion mark striped.
It is replaceable with adjusting screw in addition, in order to realize wear hardness with grinding wheel 15 in the case of abrasion 18 lateral deviations of wheel
With the cross connecting plate of guide groove, make abrasion take turns shaft centre line and grinding wheel radial line formed certain angle a (゜ of 0≤a≤30) and
Generate the state that lateral deviation rolls (see Fig. 3).Further, since motor 12 uses direct current generator or variable-frequency motor, make the revolving speed of grinding wheel
It is any adjustable in a certain range, meet the test of rubber abrasion performance under different rotating speeds.Replace the sand of different model or granularity
Wheel, can study the rubber abrasion behavior under different coefficients of friction.
Rubber abrasion instrument especially proposed by the present invention can obtain contact zone by the adjusting of cylinder volume under pressure from small to large
The friction behavior in domain is to the transformation based on rolling friction, being shown in FEM Numerical Simulation Figure 10-12 based on sliding friction.In this way
It can be adjusted according to actual needs, meet the different test requests of researcher.Figure 13 is abrasion wheel with cylinder volume under pressure
The static rigidity curve of increase, it can be seen that non-linear almost the same with actual tire Static stiffness curve in non-linear.Separately
Outside, the viscoelasticity due to actual tire in high speed scroll due to rubber material causes internal to generate amount of heat and rubber is led
Hot coefficient is lower, therefore tyre temperature can be made constantly to increase, this just needs to consider influence of the temperature to rubber abrasion performance, and passes
The rubber abrasion machine of system be all it is open, temperature adjusting can not be carried out, can only obtain the rubber abrasion performance under room temperature.This hair
The bright core component by rubber abrasion test is enclosed in an abrasion room, can be by the heating sheet that is arranged on inner wall to internal
Test environment heating reaches defined test temperature (reappearing the state of temperature of actual tire high speed scroll after a certain period of time), in this way
The rubber abrasion performance under different temperatures can be tested.Find out from above-mentioned analysis, which is that people study in different temperatures
The wear hardness of lower rubber abrasion mechanism and performance, especially tire tread and complicated friction behavior bring very big side
Just, and it is easy to operate and realize.
Claims (10)
1. one kind can study simultaneously rubber roll and sliding friction behavior alternating temperature abrasion instrument, it is characterised in that: including grinding wheel, with
The abrasion wheel of grinding wheel contact, abrasion wheel is circumferential to be contacted with abrasive wheel end face, and grinding wheel rotation drives abrasion wheel rotation, abrasion wheel and grinding wheel
Between generate rolling friction and sliding friction simultaneously.
2. one kind as described in claim 1 can study the alternating temperature abrasion instrument of rubber rolling and sliding friction behavior simultaneously, special
Sign is: abrasion wheel is connected by the piston rod of cross connecting plate and cylinder, and cylinder is fixed on bracket, applies pressure to abrasion wheel
Power makes abrasion wheel generate compression displacement with grinding wheel；Preferably, grinding wheel is connected on electric machine main shaft by shaft coupling, motor peace
On bracket, start motor, drives grinding wheel rotation；Preferably, abrasion wheel is 2, is arranged along grinding wheel radial symmetric.
3. one kind as described in claim 1 can study the alternating temperature abrasion instrument of rubber rolling and sliding friction behavior simultaneously, special
Sign is: further including two cleaning wheels being staggered installation of with abrasion wheel, cleaning wheel is mounted on cross connecting plate, cleaning wheel and mill
It is consistent to grinding wheel centre distance to consume wheel center.
4. one kind as described in claim 1 can study the alternating temperature abrasion instrument of rubber rolling and sliding friction behavior simultaneously, special
Sign is: abrasion chamber interior walls setting heating sheet and thermocouple, thermocouple and heating sheet link, and realize temperature automatic control.
5. one kind as described in claim 1 can study the alternating temperature abrasion instrument of rubber rolling and sliding friction behavior simultaneously, special
Sign is: there is grinding wheel following settings the collecting board of certain tilt angle to collect the rubber powder ground off, bracket and collecting board shape
At closed abrasion room；Preferably, rubber seal is set between main shaft among collecting board.
6. one kind as described in claim 1 can study the alternating temperature abrasion instrument of rubber rolling and sliding friction behavior simultaneously, special
Sign is: air inlet pipe is arranged with grinding wheel contact position in abrasion wheel, can assist blowing the rubber powder ground off off by dry compressed air
End.
7. one kind as described in claim 1 can study the alternating temperature abrasion instrument of rubber rolling and sliding friction behavior simultaneously, special
Sign is: the rotation situation of grinding wheel and abrasion wheel inside abrasion room side setting glass vision panel observable, while also openable receipts
Collect rubber powder.
8. one kind as described in claim 1 can study the alternating temperature abrasion instrument of rubber rolling and sliding friction behavior simultaneously, special
Sign is: high speed camera system is arranged on abrasion wheel top, the appearance abrasion pattern picture of shooting is transferred to computer, is realized
The size of online observation and measurement abrasion mark striped.
9. one kind as described in claim 1 can study the alternating temperature abrasion instrument of rubber rolling and sliding friction behavior simultaneously, special
Sign is: cross connecting plate makes the horizontal shaft centre line of connection abrasion wheel and the radial line of grinding wheel with screw and guide groove is adjusted
It forms certain angle and generates the state that lateral deviation rolls, reappear the wear test in the case of Wheel slip.
10. one kind as described in claim 1 can study the alternating temperature abrasion instrument of rubber rolling and sliding friction behavior simultaneously, special
Sign is: counter is arranged in bracket side, and counter measures the label on shaft coupling, worn away by collecting board and counter
Rubber powder under grinding after wheel rotation certain distance, is then calculated the wear volume of rubber material, matches to evaluate rubber
The wear hardness of side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910872074.7A CN110501249A (en) | 2019-09-16 | 2019-09-16 | A kind of alternating temperature abrasion instrument that can be studied rubber simultaneously and roll with sliding friction behavior |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910872074.7A CN110501249A (en) | 2019-09-16 | 2019-09-16 | A kind of alternating temperature abrasion instrument that can be studied rubber simultaneously and roll with sliding friction behavior |
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| Publication Number | Publication Date |
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| CN110501249A true CN110501249A (en) | 2019-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910872074.7A Withdrawn CN110501249A (en) | 2019-09-16 | 2019-09-16 | A kind of alternating temperature abrasion instrument that can be studied rubber simultaneously and roll with sliding friction behavior |
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| CN (1) | CN110501249A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111157442A (en) * | 2019-12-31 | 2020-05-15 | 西南交通大学 | Multi-mode friction and wear test device and method |
| CN111426456A (en) * | 2020-01-17 | 2020-07-17 | 北京工业大学 | Steel rubber roller pair rolling test bed |
| WO2023116330A1 (en) * | 2021-12-24 | 2023-06-29 | 青岛科技大学 | Rubber friction testing apparatus |
| CN118150466A (en) * | 2024-05-13 | 2024-06-07 | 西南交通大学 | Device and method for measuring sliding and rolling friction coefficients of tubular column sample |
-
2019
- 2019-09-16 CN CN201910872074.7A patent/CN110501249A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111157442A (en) * | 2019-12-31 | 2020-05-15 | 西南交通大学 | Multi-mode friction and wear test device and method |
| CN111157442B (en) * | 2019-12-31 | 2021-03-19 | 西南交通大学 | Multi-mode friction and wear test device and method |
| CN111426456A (en) * | 2020-01-17 | 2020-07-17 | 北京工业大学 | Steel rubber roller pair rolling test bed |
| WO2023116330A1 (en) * | 2021-12-24 | 2023-06-29 | 青岛科技大学 | Rubber friction testing apparatus |
| CN118150466A (en) * | 2024-05-13 | 2024-06-07 | 西南交通大学 | Device and method for measuring sliding and rolling friction coefficients of tubular column sample |
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Application publication date: 20191126 |