CN208443675U - Device based on friction wheel set various working assessment material abrasion behavior - Google Patents
Device based on friction wheel set various working assessment material abrasion behavior Download PDFInfo
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- CN208443675U CN208443675U CN201820983951.9U CN201820983951U CN208443675U CN 208443675 U CN208443675 U CN 208443675U CN 201820983951 U CN201820983951 U CN 201820983951U CN 208443675 U CN208443675 U CN 208443675U
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Abstract
The utility model discloses a kind of devices based on friction wheel set various working assessment material abrasion behavior.The device includes: that friction is secondary, including sample wheel and to emery wheel, it is fixed with material to be assessed on the sample wheel, it is described to being fixed with abrasive material on emery wheel, the sample wheel and emery wheel is matched by the rubbing action between the material to be assessed and abrasive material；Load mechanism, at least for applying different load to the friction is secondary；Lubricating structure is at least adjusted for the lubrication abrasion condition to the secondary contact area that rubs；And driving mechanism, at least for independently driving the sample wheel and to emery wheel.Device provided by the utility model based on friction wheel set various working assessment material abrasion behavior, by changing load, abrasive material and solid and/or hydrodynamic lubrication, the assessment under various working to wear hardness is more fully simulated, and low in cost, is with a wide range of applications.
Description
Technical field
In particular to a kind of device based on friction wheel set various working assessment material abrasion behavior of the utility model, belongs to
Abrasion detecting technical field.
Background technique
Two classes: laboratory research and live operation study are broadly divided into currently for the evaluation of material polishing machine.Fact fortune
Row test the data obtained is accurate, fitting is practical, but general test cost is big, low efficiency.Laboratory research at present is mainly with reality
The test of room abrasion tester is tested to rely on, but its measurement condition is single, and abrasive material when material components use, environmental factor and
The objective condition such as running movement state are complicated and changeable, and material wear-resistant damages Performance Evaluation and life forecast and material components visitor
Gap under sight, true operating condition is larger, it could be also difficult to really assess above-mentioned moving component under actual working state
Abrasion behavior and wear mechanism.
Utility model content
Being designed to provide for the utility model is a kind of based on the wheel set various working assessment material abrasion behavior that rubs
Device, with overcome the deficiencies in the prior art.
For the aforementioned purpose of utility model of realization, the technical solution adopted in the utility model includes:
The utility model embodiment provides a kind of device based on friction wheel set various working assessment material abrasion behavior,
Comprising:
Friction is secondary, including sample wheel and to emery wheel, is fixed with material to be assessed on the sample wheel, described to solid on emery wheel
Surely there is an abrasive material, the sample wheel and the rubbing action between the material to be assessed and abrasive material is passed through to emery wheel match
It closes；
Load mechanism, at least for applying different load to the friction is secondary；
Lubricating structure is at least adjusted for the lubrication abrasion condition to the secondary contact area that rubs；And
Driving mechanism, at least for independently driving the sample wheel and to emery wheel.
The utility model embodiment additionally provides a kind of side based on friction wheel set various working assessment material abrasion behavior
Method comprising:
The device based on friction wheel set various working assessment material abrasion behavior is provided,
Material to be assessed, abrasive material will be separately fixed to sample wheel, on emery wheel；And
Make sample wheel and emery wheel is independently rotated with certain revolving speed respectively, by adjusting the movement to emery wheel and sample wheel
State, to realize the quantitative evaluation of material abrasion behavior under different motion state.
Compared with prior art, provided by the utility model a kind of based on friction wheel set various working assessment material abrasion row
For apparatus structure it is simple, facilitate abrasion behavior and abrasion machine of the accurate evaluation moving component under a variety of actual working states
System, by changing load, abrasive material and solid and/or hydrodynamic lubrication, more fully to wear hardness under simulation various working
Assessment, and it is low in cost, be with a wide range of applications.
Detailed description of the invention
Fig. 1 is in one exemplary embodiments of the utility model based on friction wheel set various working assessment material abrasion behavior
The structural schematic diagram of device；
Fig. 2 is longitudinal sliding motion and rolling ratio (LSRR) and rubber in the utility model embodiment 1 under the conditions of water lubrication
The relational graph of glue volume wear；
Fig. 3 a is water lubrication and the sliding surface topography rolled under combinational acting after tread rubber abrasion in the utility model embodiment 1
Figure, sliding rolling is than being 0.001 (rolling ratio is 76/38)；
Fig. 3 b is water lubrication and the sliding surface topography rolled under combinational acting after tread rubber abrasion in the utility model embodiment 1
Figure, sliding rolling is than being 0.274 (rolling ratio is 76/50)；
Fig. 3 c is water lubrication and the sliding surface topography rolled under combinational acting after tread rubber abrasion in the utility model embodiment 1
Figure, sliding rolling is than being 0.594 (rolling ratio is 76/70)；
Fig. 3 d is water lubrication and the sliding surface topography rolled under combinational acting after tread rubber abrasion in the utility model embodiment 1
Figure, sliding rolling is than being 0.815 (rolling ratio is 76/90)；
Description of symbols: 1- fixing clamp, 2- iron stand, 3- infusion bag, 4- brush, 5- load carriage, 6- are interchangeable right
Emery wheel, 7- opposite grinding wheel drive motor, 8- counterweight, 9- weight tray, 10- opposite grinding wheel drive machine governor, 11- plastic flexible pipe,
12- solid lubrication regulating valve, 13- conveying funnel, 14- conveying pipeline, 15- electronic counter, 16- pressure fine adjustment block, 17- liquid flow
Fast adjuster, 18- sample wheel, 19- material-gathering device, 20- baiting valve, 21- drain hole, 22- sample wheel drive motor, 23- sample
Wheel drive machine governor.
Specific embodiment
In view of deficiency in the prior art, inventor is studied for a long period of time and is largely practiced, and is able to propose that this is practical new
The technical solution of type.The technical solution, its implementation process and principle etc. will be further explained as follows.
The utility model embodiment provides a kind of device based on friction wheel set various working assessment material abrasion behavior,
Comprising:
Friction is secondary, including sample wheel and to emery wheel, is fixed with material to be assessed on the sample wheel, described to solid on emery wheel
Surely there is an abrasive material, the sample wheel and the rubbing action between the material to be assessed and abrasive material is passed through to emery wheel match
It closes；
Load mechanism, at least for applying different load to the friction is secondary；
Lubricating structure is at least adjusted for the lubrication abrasion condition to the secondary contact area that rubs；And
Driving mechanism, at least for independently driving the sample wheel and to emery wheel.
Further, the sample wheel and identical or different to the diameter of emery wheel, the wheel shaft of the sample wheel with to emery wheel
Wheel shaft be arranged in parallel.
Preferably, the wheel shaft of the sample wheel and the wheel shaft to emery wheel are horizontally disposed.
Further, the driving mechanism includes the first driving mechanism and the second driving mechanism, and the sample wheel is by described
First driving mechanism independently drives, described to be driven to emery wheel by second driving is independent.
Preferably, the device further includes speed adjusting gear, the speed adjusting gear be at least used for adjusting sample wheel and/or
To the revolving speed of emery wheel.
Preferably, first driving mechanism and the second driving mechanism include motor；The speed adjusting gear includes and electricity
The machine governor of machine cooperation.
Further, the load mechanism include setting on emery wheel load bracket and with load bracket engagement
Counterweight.
Preferably；The counterweight includes the scale pan that can hold different size counterweight.
Preferably, the scale pan is connect with the load carriage drive.
Preferably, the scale pan is connect through an at least rope and an at least fixed pulley with load bracket.
Preferably, the load mechanism further includes the load corrector connecting with to emery wheel, and the load corrector includes
Pressure fine adjustment block.
Further, the lubricating structure include an at least material storing mechanism and with the material storing mechanism connection
Material delivery pipe road, the liquid outlet on the material delivery pipe road corresponds to the secondary frictional interface setting of the friction.
Preferably, the material delivery pipe road is additionally provided with conveying governor.
Further, the device based on friction wheel set various working assessment material abrasion behavior further includes tachometer
Structure, the velocity measurement mechanisms are at least used to measure the revolving speed to emery wheel.
Preferably, the velocity measurement mechanisms include the electronic counter to measure the turnning circle to emery wheel.
Further, the device based on friction wheel set various working assessment material abrasion behavior further includes the machine that gathers materials
Structure, the collecting mechanism are at least used to collect the abrasive dust and/or waste liquid being discharged from the friction pair.
Further, the device based on friction wheel set various working assessment material abrasion behavior further includes machine
Frame, the friction pair, load mechanism, lubricating structure and driving mechanism are installed in the rack.
The utility model embodiment additionally provides a kind of side based on friction wheel set various working assessment material abrasion behavior
Method comprising:
The device based on friction wheel set various working assessment material abrasion behavior is provided,
Material to be assessed, abrasive material will be separately fixed to sample wheel, on emery wheel；And
Make sample wheel and emery wheel is independently rotated with certain revolving speed respectively, by adjusting the movement to emery wheel and sample wheel
State, to realize the quantitative evaluation of material abrasion behavior under different motion state.
Further, the method based on friction wheel set various working assessment material abrasion behavior further include: trying
Before sample wheel and the rotation of opposite grinding wheel or during sample wheel and opposite grinding wheel rotate, pass through rubbing for lubricating structure selectivity
Whether secondary contact area addition lubriation material or not, realizes the transformation of lubrication abrasion condition.
Further, the method also includes passing through load mechanism to the secondary time different loads that rub.
Preferably, the method further include: adjust the revolving speed to emery wheel and sample wheel respectively by driving mechanism.
Preferably, the method specifically includes: regulating and controlling sample wheel and emery wheel revolving speed by machine governor, to realize
The assessment of material abrasion behavior under simple sliding, pure rolling and rolling movement shape containing sliding.
Preferably, the method further include: the abrasive dust and/or waste liquid of the secondary output of friction are collected in friction process, and
It clears up sample wheel, to the abrasive dust on emery wheel, then subsequent analysis and evaluation is carried out to the polishing scratch of abrasive dust and material surface to be assessed.
The technical solution, its implementation process and principle etc. will be further explained in conjunction with attached drawing as follows.
Referring to Fig. 1, one kind is worn away based on quantization skid than assessment material dry and wet in some more specific embodiment party
The device of behavior may include test bracket, fixed friction pair on test bracket, and secondary friction includes the identical or different examination of diameter
Sample wheel 18 and to emery wheel 6, material to be assessed is fixed on sample wheel 18, and (material to be evaluated can be coating material, sealing and wheel
Tire rubber material etc.), to abrasive material is fixed on emery wheel 6, (abrasive material can be steel, ceramics or simulation road surface
Material etc.), sample wheel and the rubbing action between the material to be assessed and abrasive material passed through to emery wheel cooperate；Its pilot scale
Sample wheel 18 and to emery wheel 6 respectively by sample wheel drive motor 22, opposite grinding wheel drive motor 7 is independent drives, sample wheel drive motor
22 are connected with sample wheel drive machine governor 23, and opposite grinding wheel drive motor 7 is connected with opposite grinding wheel drive machine governor 10, lead to
Crossing adjustment sample wheel drive machine governor 23 and opposite grinding wheel drive machine governor 10 can measure and adjusting sample wheel, opposite grinding
The velocity of rotation of wheel makes it adjust separately velocity of rotation required for test；
Load mechanism, including be arranged between on emery wheel load carriage 5, pressure fine adjustment block 16 (for correct friction it is secondary
Pressure) and the weight tray 9 that is connect with load carriage, weight tray 9 can be through stone dead wire and an at least fixed pulley and negative
Bracket 5 is carried to connect, it is different to apply on load bracket by placing the counterweight 8 of different quality and quantity in weight tray 9
The counterweight of quality makes test material surface apply different load；
Lubricating structure, including (infusion bag is mainly used for adding liquid lubriation material to an at least infusion bag 3, and infusion bag can be with
One is suspended on to be fixed on the iron stand 2 of fixing clamp 1) and the plastic flexible pipe 11 that is connected to infusion bag, on plastic flexible pipe 11
It is additionally provided with flow rate of liquid governor 17,11 material liquid outlet of plastic flexible pipe corresponds to the secondary frictional interface setting of friction, is at least used for
To rubbing, secondary contact area lubrication abrasion condition is adjusted；And lubricating structure further includes 13 (conveying of an at least conveying funnel
Funnel is mainly used for adding solid lubricant, and conveying funnel can be suspended on the iron stand 2 for being fixed with fixing clamp 1) and
The conveying pipeline 14 being connected to conveying funnel is additionally provided with solid lubrication regulating valve 12, the material outlet of conveying pipeline 14 on conveying pipeline 14
The frictional interface setting secondary corresponding to friction, at least for the secondary contact area lubrication abrasion condition that rubs to be adjusted；
Velocity measurement mechanisms pass through wearing time including the electronic counter 15 to measure the turnning circle to emery wheel
The circle number that corresponding counter is recorded realizes the calculating of opposite grinding wheel speed；
The secondary frictional interface setting lower part of friction is arranged in, for collecting from described in collecting mechanism, including material-gathering device 19
The abrasive dust and/or waste liquid that are discharged in friction pair are provided with drain hole 21 and the blowing with drain hole cooperation on material-gathering device 19
Valve 20；In addition, collecting mechanism further includes a hairbrush 4, hairbrush can be contacted with to the abrasive material on emery wheel, generate friction
Abrasive dust disengaging emery wheel is fallen into the liquid trap that gathers materials.
In some more specifically embodiments of the utility model, one kind is based on the sliding rolling of quantization than assessment material dry and wet
The method of abrasion behavior can specifically include following steps:
(1) material to be assessed and abrasive material are respectively coated or are attached on sample wheel, on emery wheel；
(2) sample wheel and pass through sample turbin generator governor respectively to emery wheel, certain to the setting of emery wheel electrode governor turn
Speed simultaneously independently rotates；
(3) it by placing the counterweight of different quality in scale pan, realizes and applies matching for different weight on load bracket
Weight is realized to applying different load to emery wheel；
(4) by flow rate of liquid adjuster and/or solid lubrication regulating valve, make connecing in friction pair for lubricating structure selectivity
The addition of touching region or the transformation for not adding lubriation material realization lubrication abrasion, to realize material abrasion row under different motion state
For quantitative evaluation；
(5) friction after a certain period of time, records and encloses number on electronic counter, to obtain opposite grinding wheel speed, machine governor
Measure the revolving speed of sample wheel；
(6) abrasive dust/and waste liquid are collected by the crumb loading liquid trap of the secondary lower section of friction in friction process, clears up the mill on two-wheeled
Bits carry out subsequent analysis and evaluation to abrasive dust and specimen surface polishing scratch.
Embodiment 1
Using provided by the embodiment of the utility model a kind of based on the wheel set various working assessment material abrasion behavior that rubs
Device and method is evaluated for tire tread glue wear hardness under the conditions of water lubrication different rotating speeds.
In the present embodiment, grinding wheel is selected to be fixed on external electricity as to emery wheel (diameter 1500mm, 26 ± 0.2mm of thickness)
In the drive shaft of machine, tyre surface vulcanized rubber is that batten (long 250 ± 0.2mm, wide 12.7 ± 0.2mm, 3.2 ± 0.2mm of thickness) is used
502 glue are attached on rubber wheel (diameter 68mm, thickness 12.7 ± 0.2mm, hardness 70-80), the corresponding longitudinal direction of different rotating speeds
Sliding and rolling ratio (LSRR) value are as shown in table 1,
The corresponding LSRR value of 1 different rotating speeds of table
Under the conditions of water lubrication, water droplet controller is that 120 drops are per minute.All test process under unlubricated friction scrape along water existence condition
20 DEG C -25 DEG C of temperature, relative air humidity 10%-15%, the invariablenes turning speed of rubber wheel drive shaft are 76r/ indoors
Min, constant service load is 10N, and test distance is that grinding wheel turns 1500r；Sample to be tested passes through absolute alcohol progress before testing
The processing such as ultrasonic cleaning, drying at room temperature；Front and back sample quality is tested (wherein under the conditions of water lubrication using assay balance precise
Drying at room temperature is answered after abrasion 2 hours), it is calculated as m respectively0And m1, Volume erosion rate (W is calculated according to the following formulas):
ρ is the density of tyre surface vulcanizate；Meanwhile every group of experiment repeats three times.
Results and discussion:
Referring to Fig. 2, as shown in Figure 2, under the conditions of water lubrication, influence of the LSRR to rubber volume abrasion loss is not too bright
It is aobvious, and volume wear is with complete on the contrary, with longitudinal sliding rolling ratio under the variation tendency and dry friction of longitudinal sliding rolling ratio
Increasing rubber volume abrasion loss slowly reduces, and under the conditions of this shows water lubrication, rubber abrasional behavior is changed.
Please referring to Fig. 3 a- Fig. 3 d, Fig. 3 a is that water lubrication and cunning roll tread rubber under combinational acting in the utility model embodiment 1
Surface topography map after abrasion, sliding rolling is than being 0.001 (rolling ratio is 76/38)；Fig. 3 b is in the utility model embodiment 1
Surface topography map under water lubrication and sliding rolling combinational acting after tread rubber abrasion, sliding rolling is than be that 0.274 (rolling ratio is 76/
50)；Fig. 3 c is water lubrication and the sliding surface topography map rolled under combinational acting after tread rubber abrasion in the utility model embodiment 1,
Sliding rolling is than being 0.594 (rolling ratio is 76/70)；Fig. 3 d is water lubrication and sliding rolling combinational acting in the utility model embodiment 1
Surface topography map after lower tread rubber abrasion, sliding rolling is than being 0.815 (rolling ratio is 76/90).By Fig. 3 a appreciable wear surface
In the presence of largely the specific groove of glide direction is parallel to, in addition, slight swelling action has occurred on surface, around a large amount of
The fish scale-like micro-bulge of tilting；Research shows that abrasion mechanism is leading for abrasive wear at this time；By Fig. 3 b appreciable wear surface ditch
Groove depth shoals and its quantity tails off, and the size of abrasive dust becomes smaller and tails off with number, and form also becomes bulk from sheet, this meaning
Wear mechanism changed, abrasion mechanism is mainly that abrasive wear is leading at this time, with curling abrasion；By the visible mill of Fig. 3 c
There is snowflake line pattern and the ripple perpendicular to erosion direction in damage surface, research shows that abrasion mechanism mainly sticks together fatigue at this time
Abrasion, with erosion wear；The ridge shape abrasion speckle perpendicular to erosion direction is showed by Fig. 3 d visible surface and is parallel to
Glide direction sticks together stretching, and abrasion snowflake line pattern disappears, and abrasive dust is almost vanished from sight, research shows that abrasion mechanism master at this time
If corroding fatigue wear, with adhesive wear.
It should be appreciated that above-described embodiment is only to illustrate the technical ideas and features of the present invention, it is ripe its object is to allow
The personage for knowing technique can understand the content of the utility model and implement accordingly, can not limit the utility model with this
Protection scope.All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover in the utility model
Within protection scope.
Claims (16)
1. a kind of device based on friction wheel set various working assessment material abrasion behavior, characterized by comprising:
Friction is secondary, including sample wheel and to emery wheel, is fixed with material to be assessed on the sample wheel, described to being fixed on emery wheel
Abrasive material, the sample wheel and is matched emery wheel by the rubbing action between the material to be assessed and abrasive material；
Load mechanism, at least for applying different load to the friction is secondary；
Lubricating structure is at least adjusted for the lubrication abrasion condition to the secondary contact area that rubs；And
Driving mechanism, at least for independently driving the sample wheel and to emery wheel.
2. the device according to claim 1 based on friction wheel set various working assessment material abrasion behavior, feature exist
In: the sample wheel and to the diameter of emery wheel it is identical or different, wheel shaft and the wheel shaft to emery wheel of the sample wheel are arranged in parallel.
3. the device according to claim 2 based on friction wheel set various working assessment material abrasion behavior, feature exist
In: the wheel shaft of the sample wheel is horizontally disposed with the wheel shaft to emery wheel.
4. the device according to claim 1 based on friction wheel set various working assessment material abrasion behavior, feature exist
In: the driving mechanism includes the first driving mechanism and the second driving mechanism, and the sample wheel is only by first driving mechanism
Vertical driving, it is described that emery wheel is driven by second driving is independent.
5. the device according to claim 4 based on friction wheel set various working assessment material abrasion behavior, feature exist
In: the device further includes speed adjusting gear, and the speed adjusting gear is at least used for adjusting sample wheel and/or the revolving speed to emery wheel.
6. the device according to claim 5 based on friction wheel set various working assessment material abrasion behavior, feature exist
It include motor in: first driving mechanism and the second driving mechanism, the speed adjusting gear includes the motor with motor cooperation
Governor.
7. the device according to claim 1 based on friction wheel set various working assessment material abrasion behavior, feature exist
In: the load mechanism includes setting to the load bracket on emery wheel and the counterweight with load bracket engagement.
8. the device according to claim 7 based on friction wheel set various working assessment material abrasion behavior, feature exist
In: the counterweight includes the scale pan that can hold different size counterweight, and the scale pan is connect with the load carriage drive.
9. the device according to claim 8 based on friction wheel set various working assessment material abrasion behavior, feature exist
In: the scale pan is connect through an at least rope and an at least fixed pulley with load bracket.
10. the device according to claim 1 based on friction wheel set various working assessment material abrasion behavior, feature exist
In: the load mechanism further includes the load corrector connecting with to emery wheel, and the load corrector includes pressure fine adjustment block.
11. the device according to claim 1 based on friction wheel set various working assessment material abrasion behavior, feature exist
In: the lubricating structure includes an at least material storing mechanism and the material delivery pipe with the material storing mechanism connection
Road, the liquid outlet on the material delivery pipe road correspond to the secondary frictional interface setting of the friction.
12. the device according to claim 11 based on friction wheel set various working assessment material abrasion behavior, feature
Be: the material delivery pipe road is additionally provided with conveying governor.
13. the device according to claim 1 based on friction wheel set various working assessment material abrasion behavior, feature exist
In further including velocity measurement mechanisms, the velocity measurement mechanisms are at least used to measure the revolving speed to emery wheel.
14. the device according to claim 13 based on friction wheel set various working assessment material abrasion behavior, feature
Be: the velocity measurement mechanisms include the electronic counter to measure the turnning circle to emery wheel.
15. the device according to claim 1 based on friction wheel set various working assessment material abrasion behavior, feature exist
In further including collecting mechanism, the collecting mechanism is at least used to collect the abrasive dust and/or waste liquid being discharged from the friction pair.
16. the device according to claim 1 based on friction wheel set various working assessment material abrasion behavior, feature exist
In further including rack, the friction pair, load mechanism, lubricating structure and driving mechanism are installed in the rack.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593477A (en) * | 2018-06-25 | 2018-09-28 | 中国科学院宁波材料技术与工程研究所 | The device and method of behavior is worn away based on friction wheel set various working assessment material |
| CN112213221A (en) * | 2020-10-16 | 2021-01-12 | 四川大学 | Testing machine for researching ablation behavior of tire tread rubber of airplane landing instant tire |
-
2018
- 2018-06-25 CN CN201820983951.9U patent/CN208443675U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593477A (en) * | 2018-06-25 | 2018-09-28 | 中国科学院宁波材料技术与工程研究所 | The device and method of behavior is worn away based on friction wheel set various working assessment material |
| CN108593477B (en) * | 2018-06-25 | 2024-03-29 | 中国科学院宁波材料技术与工程研究所 | Device and method for evaluating material abrasion behavior based on multiple working conditions of friction wheel set |
| CN112213221A (en) * | 2020-10-16 | 2021-01-12 | 四川大学 | Testing machine for researching ablation behavior of tire tread rubber of airplane landing instant tire |
| CN112213221B (en) * | 2020-10-16 | 2021-06-04 | 四川大学 | Testing machine for researching ablation behavior of tire tread rubber of airplane landing instant tire |
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