CN108318364A - A kind of high temperature and high speed pin disk frictional testing machine that humidity is controllable - Google Patents
A kind of high temperature and high speed pin disk frictional testing machine that humidity is controllable Download PDFInfo
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- CN108318364A CN108318364A CN201810460270.9A CN201810460270A CN108318364A CN 108318364 A CN108318364 A CN 108318364A CN 201810460270 A CN201810460270 A CN 201810460270A CN 108318364 A CN108318364 A CN 108318364A
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- 238000012360 testing method Methods 0.000 title claims abstract description 44
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 239000010425 asbestos Substances 0.000 claims description 7
- 229910052895 riebeckite Inorganic materials 0.000 claims description 7
- 238000002474 experimental method Methods 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 239000002103 nanocoating Substances 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims 1
- 240000002853 Nelumbo nucifera Species 0.000 claims 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 7
- 238000011160 research Methods 0.000 description 7
- 208000035874 Excoriation Diseases 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- 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
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- 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
- G01N2203/0202—Control of the test
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Abstract
The invention discloses a kind of high temperature and high speed pin disk frictional testing machine that humidity is controllable, which is equipped with main transmission, loading system, friction disk holder, heating device, humidifier, numerical control feeding device, data control system.Frictional disk sample is installed on friction disk holder, friction pin sample is connect by crossbeam with leading screw with numerical control feeding device, frictional disk sample is oppositely arranged with friction pin sample, constitute friction pair, it is equipped with heating and cooling device in frictional disk sample and friction pin sample side, the output end of the input terminal connecting test system of data control system, data control system connects computer.Tribological test under control envionmental humidity can be achieved using the present invention, be suitable for studying safety and the service life of the Tribological Systems under rich water working environment.
Description
Technical field
The invention discloses a kind of high temperature and high speed pin disk frictional testing machines that humidity is controllable, especially suitable for studying rich water work
Safety and the service life for making the Tribological Systems under environment are particularly suitable for the secondary abrasion that rubs under research high humidity environment
Mechanism, evaluation Tribological Systems influenced by envionmental humidity and generate lubrication failure the problems such as.
Background technology
With the development of science and technology the material friction knowledge topic under special operation condition, which is increasingly becoming, restricts aerospace, military dress
The key technical problem of many key areas development such as standby and high ferro equipment.Wherein, the extreme operating condition under particular surroundings atmosphere
Friction problem is the forward position research contents of the multi-crossed disciplines such as tribology, materialogy, physical chemistry.Relative humidity is as special
One of ambiance important parameter can have a direct impact the friction, abrasion and greasy property of material, and then influence
To the reliability, stability and service life of component of machine.Many machineries all can be by the relative humidity inside working environment
It influences.Typical example has the offshore wind generating and steamer being operated in inside rich water environment.In wind-driven generator and steamer
In complicated work system, rolling bearing and its lubricating system are a very important subsystems.
In order to carry out general Journal of Sex Research to high temperature friction and wear characteristic of the material under rich water environment, the present invention discloses
A kind of high temperature pin disc type abrasion tester that humidity is controllable, the experiment function control envionmental humidity 10-90%RH with
And temperature carries out experimental study within the scope of 1000 DEG C to the fretting wear feature of various metal materials, is ground under rich water environment
Wipe the master tool for learning research.
Invention content
The invention discloses a kind of high temperature and high speed pin disk frictional testing machines that humidity is controllable, especially suitable for studying rich water work
Safety and the service life for making the Tribological Systems under environment are particularly suitable for the secondary abrasion that rubs under research high humidity environment
Mechanism, evaluation Tribological Systems influenced by envionmental humidity and generate lubrication failure the problems such as.
In order to reach object above, the present invention, which adopts the following technical scheme that, to be achieved：
A kind of high temperature and high speed pin disk frictional testing machine that humidity is controllable, it is characterised in that：The testing machine is equipped with main transmission, adds
Loading system, friction disk holder, heating device, humidifier, numerical control feeding device, data control system.It rubs on disk holder
Frictional disk sample is installed, friction pin sample is connect by crossbeam with leading screw with numerical control feeding device, frictional disk sample and friction
Pin sample is oppositely arranged, and constitutes friction pair, and heating device is equipped in frictional disk sample and friction pin sample side；Data are adopted
The output end of the input terminal connecting test system of control system, data control system connects computer.
Preferred embodiment, main transmission include threephase asynchronous machine, are transmitted through synchronous belt and belt wheel after power of motor output
To main shaft, main shaft is fixed by the support of bearing, and speed probe is carried on main shaft（Hall sensor）, the speed of mainshaft is carried out real
When monitor, and send data to data control system.
Preferred embodiment, main shaft are connected with friction disk holder, are fixed on main shaft friction disk holder using screw thread pair,
Added with a gasket under frictional disk, diameter and frictional disk are suitable, and spacer thickness is adjustable, the friction for clamping different-thickness
Disk, frictional disk top are positioned there are one disk cover, and blending bolt fastening clamps.
Preferred embodiment, friction disk holder are located in heating device, and heating device contains heating furnace and insulating layer of asbestos,
The outer Tu of heating furnace has high-temperature resistant nano coating to be thermally shielded heating furnace, between heating furnace and spindle box using insulating layer of asbestos come
Protection spindle box will not be influenced by heating device.
Preferred embodiment, humidifier are connected with a sebific duct, and the sebific duct stretches into friction test intracavitary middle and upper part, and humidifier generates
Humid air by sebific duct engaging friction test cavity, humidity sensor is equipped with by tribological test cavity wall, passes through sensor
Real-time humidity measurement data control the working time of humidifier.
Preferred embodiment, frictional disk rub with friction ball during the test, are furnished with the folder of different inner diameters in friction pin
Tool, can be used to the test ball that different-diameter is clamped, and be hollow structure among clamper, behind have screw thread, will test ball from fixture
Rear end be put into and mating part applied to screw, while clamp central be added microsprings with ensure test ball always
It keeps being clamped state.
Preferred embodiment, friction pin are controlled in the radial and axial displacement of main shaft by numerical control feeding train of mechanism, numerical control into
Include to system：Stepper motor, encoder, leading screw, guide bar support, sliding support, column and crossbeam.Pass through stepper motor
The leading screw rotation on base support is driven with encoder, drives column and crossbeam horizontal together by guide bar support and sliding support
Movement, to control the radial feed along frictional disk of friction pin；Pin and end closure position, which is rubbed, by adjusting rubs to control friction pin edge
Wipe the axial feed of disk.
Preferred embodiment, friction pin are in contact with loading system, and loading system is continuously loaded using SERVO CONTROL, loading system
It is connected with data control system, data control system monitors load condition in real time.
Preferred embodiment, data control system input terminal are connect with numerical control feeding device, loading system, heating device, data
The output end of control system connects computer, and data control system is used for receiving numerical control feeding device, loading system, heating dress
It sets, the output data of humidifier and be sent to the program instruction that computer is sent out.
The invention discloses a kind of high temperature and high speed pin disk frictional testing machines that humidity is controllable, have following obvious prominent
Go out substantive distinguishing features and remarkable advantage：Friction and wear behavior of the material under high-speed and high-temperature can be evaluated in the present invention, rubs in the present invention
The fixture for being furnished with different inner diameters on pin is wiped, the test ball of different-diameter can be tested according to different requirements, there is stronger compatibility
Property, for the military service operating mode of the NEW TYPES OF TOOL MATERIALS of research high-speed cutting, cutter itself and coating material are evaluated under high-speed and high-temperature
Tribological property provide platform, it is at low cost, it is easily operated.
Description of the drawings
Fig. 1 is the structural schematic diagram of apparatus of the present invention；
Fig. 2 is the control schematic diagram of apparatus of the present invention；
Fig. 3 is apparatus of the present invention installation diagram；
Fig. 4 is numerical control feeding device power transmission part part drawing in apparatus of the present invention；
Description of symbols in Fig. 3, Fig. 4：1- threephase asynchronous machines；2- Toothed belt pulleys；3- main shafts；4- speed probes；5- rubs
Wipe plate mat piece；6- disk covers；7- slotted pan head screws；8- heating furnaces；9- insulating layer of asbestos；10- frictional disks；11- friction balls；12-
Stepper motor；13- leading screws；14- guide bar supports；15- sliding supports；16- microsprings；17- friction pin and end closures；18- columns；
19- crossbeams；20- friction pins；The 21- supports of bearing；22- servo motors；23- nuts；24- bolts；25- humidifiers；26- humidity passes
Sensor；I- main transmissions；II- loading systems；III- friction disk holders；IV- numerical control feeding devices；V- heating devices.
Specific implementation mode
To facilitate the understanding of the present invention, in the following with reference to the drawings and specific embodiments, the present invention will be described in more detail.
The preferred embodiment of the present invention is given in this specification and its attached drawing, still, the present invention can be in many different forms
To realize, however it is not limited to this specification described embodiment.Make to the present invention on the contrary, purpose of providing these embodiments is
Disclosure understanding it is more thorough and comprehensive.The similar unit of structure is to be given the same reference numerals in the figure.
A preferred embodiment of the present invention is：Referring to Fig.1, Fig. 2, Fig. 3, Fig. 4, a kind of high temperature and high speed pin that humidity is controllable
Disk frictional testing machine, including main transmission I, loading system II, friction disk holder III, heating device, numerical control feeding device
IV, data control system.Frictional disk sample 10 is installed on friction disk holder, friction pin sample 20 passes through crossbeam 19 and leading screw
13 connect with numerical control feeding device IV, and frictional disk sample is oppositely arranged with friction pin sample, friction pair are constituted, in frictional disk
Sample is equipped with heating device V with friction pin sample side；The input terminal connecting test system of data control system, data adopt control system
The output end of system connects computer.
Main transmission I includes threephase asynchronous machine 1, and main shaft is transmitted to through synchronous belt and belt wheel 2 after power of motor output
3, main shaft is fixed by the support of bearing 21, and Hall sensor 4 is carried on main shaft, is monitored in real time to the speed of mainshaft, and will count
According to being transmitted to data control system.
Main shaft 3 is connected with friction disk holder III, is fixed on main shaft friction disk holder using screw thread pair, rubs
Added with a gasket 5 under disk, diameter and frictional disk are suitable, and spacer thickness is adjustable, and the frictional disk for clamping different-thickness rubs
It wipes and is positioned there are one disk cover 6 above disk, blending bolt 7 fastens.
Friction disk holder III is located in heating device V, and heating device V contains heating furnace 8 and insulating layer of asbestos 9, adds
The outer Tu of hot stove has high-temperature resistant nano coating to be thermally shielded heating furnace, is protected using insulating layer of asbestos between heating furnace and spindle box
Shield spindle box will not be influenced by heating device.
Humidifier 25 is connected with a sebific duct, and the sebific duct stretches into friction test intracavitary middle and upper part, and humidifier 25 generates wet
Air is equipped with humidity sensor 26, passes through sensor 26 by sebific duct engaging friction test cavity, tribological test cavity wall side
Real-time humidity measurement data control the working time of humidifier 25.
Frictional disk 10 rubs with friction ball 11 during the test, is furnished with the fixture of different inner diameters in friction pin 20,
Can be used to the test ball that different-diameter is clamped, be hollow structure among clamper, behind have screw thread, will test ball after fixture
End is put into and is screwed using mating part, while microsprings 16 are added to ensure that test ball is protected always in clamp central
Hold clamped state.
Friction pin 20 is controlled in the radial and axial displacement of main shaft 3 by numerical control feeding mechanism IV, numerical control feeding system packet
Contain：Stepper motor 12, encoder, leading screw 13, guide bar support 14, sliding support 15, column 18 and crossbeam 19.Reference Fig. 4,
After 12 output power of stepper motor, it is transferred to leading screw 13 by bolt 24 and nut 23, forms screw pair transimission power, and
Column 18 and the horizontal movement together of crossbeam 19 are driven by guide bar support 13 and sliding support 14, to control the edge friction of friction pin
The radial feed of disk；17 position of pin and end closure is rubbed by adjusting to control axial feed of the friction pin along frictional disk.
Friction pin 20 is in contact with loading system II, and loading system II is continuously loaded using servo motor 22, loading system
It is connected with data control system, data control system monitors load condition in real time.
Data control system input terminal is connect with numerical control feeding device IV, loading system II, heating device V, and data adopt control
The output end of system connects computer, and data control system is used for receiving numerical control feeding device IV, loading system II, heating device
And humidity sensor 26 output data and be sent to the program instruction that computer is sent out.
The invention discloses a kind of high temperature and high speed pin disk frictional testing machines that humidity is controllable, have following obvious prominent
Go out substantive distinguishing features and remarkable advantage：Material can be evaluated under high-speed and high-temperature and varying environment relative humidities in the present invention
Friction and wear behavior, the safety especially suitable for the Tribological Systems under research rich water working environment and service life, to comment
Valence Tribological Systems influenced by envionmental humidity and generate lubrication failure the problems such as platform is provided, it is at low cost, it is easily operated.
It should be noted that above-mentioned each technical characteristic continues to be combined with each other, the various embodiments not being enumerated above are formed, are accordingly to be regarded as this
The range that description of the invention is recorded；Also, for those of ordinary skills, can be improved according to the above description or
Transformation, and all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of high temperature and high speed pin disk frictional testing machine that humidity is controllable, it is characterised in that：The testing machine be equipped with main transmission,
Loading system, friction disk holder, heating device, humidifier, numerical control feeding device, data control system；
Main transmission is that testing machine transmits the power exported by motor, and loading system adds by the way that servo motor is secondary to the friction of pin disk
Pressure is carried, frictional disk sample is installed on the disk holder that rubs, friction pin sample passes through crossbeam and leading screw and numerical control feeding device
Connection, frictional disk sample are oppositely arranged with friction pin sample, constitute friction pair, by frictional disk sample and friction pin sample
Side is equipped with the heating device test temperature secondary to the friction of pin disk and controls, and humidifier is connect by a sebific duct with experiment chamber, right
It tests intracavitary and injects humid air, and the relative humidity real-time monitored is fed back into data control system, to control experiment chamber
The output end of interior relative humidity, the input terminal connecting test system of data control system, data control system connects computer.
2. the controllable high temperature and high speed pin disk frictional testing machine of humidity according to claim 1, which is characterized in that computer is logical
Circuit actuator is crossed, actuator connects numerical control feeding by connection data control system, the output end of data control system
Device, data control system control the axially and radially position of friction pin disk contact point, carry for driving numerical control feed arrangement
Lotus, the rotating speed of main shaft, the temperature of heating device drive humidifier, and acquisition related data is transferred to computer disposal in real time
And it preserves.
3. the controllable high temperature and high speed pin disk frictional testing machine of humidity according to claim 1, which is characterized in that main transmission
Variable-frequency motor output power is transmitted to main shaft by system by synchronous belt and belt wheel, drives main shaft that can mitigate load by synchronous belt
It impacts and operates steadily, noiseless, and the nonelastic sliding of toothed belt transmission and skidding is efficient and can keep accurately passing
Dynamic ratio, can be such that main shaft holding is rotated with a certain velocity-stabilization, and rotation main shaft is fixed by the support of bearing, to realize the height of main shaft
Fast stable rotation.
4. the controllable high temperature and high speed pin disk frictional testing machine of humidity according to claim 1, which is characterized in that loading system
It is continuously loaded using SERVO CONTROL, to ensure that the load for loading on friction pin disk is accurate, stablize.
5. the controllable high temperature and high speed pin disk frictional testing machine of humidity according to claim 1, which is characterized in that using friction
Disk holder clamping friction disk, added with a gasket under frictional disk, diameter and frictional disk are suitable, and spacer thickness is adjustable, are used for
The frictional disk of different-thickness is clamped, is positioned there are one disk cover above frictional disk, blending bolt fastening clamps, to ensure to rub
Disk and clamper together with main axis while, frictional disk will not generate bounce in main shaft axial direction.
6. the controllable high temperature and high speed pin disk frictional testing machine of humidity according to claim 1, which is characterized in that heating device
Include heating furnace and insulating layer of asbestos, being coated with high-temperature resistant nano coating outside heating furnace is thermally shielded heating furnace, heating furnace
Spindle box is protected not influenced by heating device using insulating layer of asbestos between spindle box.
7. the controllable high temperature and high speed pin disk frictional testing machine of humidity according to claim 1, which is characterized in that the humidification
Device can be driven by data control system according to the returned data of humidity sensor, to which the environment for controlling experiment intracavitary is opposite
Humidity, controlled environment RH range are 10-90%RH.
8. the controllable high temperature and high speed pin disk frictional testing machine of humidity according to claim 1, which is characterized in that numerical control feeding
System contains stepper motor and encoder to control the feed motion of friction pin axially and radially, passes through stepper motor and encoder
The leading screw rotation on base support is driven, column and crossbeam horizontal movement together are driven by guide bar support and sliding support, come
Control the radial feed along frictional disk of friction pin；Pin and end closure position is rubbed by adjusting to control axis of the friction pin along frictional disk
To feeding.
9. the controllable high temperature and high speed pin disk frictional testing machine of humidity according to claim 1, which is characterized in that data adopt control
System input is connect with numerical control feeding device, loading system, heating device, and the output end connection of data control system calculates
Machine, data control system are used for receiving numerical control feeding device, loading system, the output data of heating device and being sent to
The program instruction that computer is sent out.
10. the controllable high temperature and high speed pin disk frictional testing machine of humidity according to claim 1, which is characterized in that friction pin
Feed motion can axially and radially be made in frictional disk sample, the bottom end of friction pin accompanies friction ball；Frictional disk sample is installed on
It rubs in the circular groove of disk holder, the outer end face of frictional disk sample is experiment face, and composition pin/disk friction is secondary.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810460270.9A CN108318364A (en) | 2018-05-15 | 2018-05-15 | A kind of high temperature and high speed pin disk frictional testing machine that humidity is controllable |
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| CN201810460270.9A CN108318364A (en) | 2018-05-15 | 2018-05-15 | A kind of high temperature and high speed pin disk frictional testing machine that humidity is controllable |
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Cited By (9)
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| CN109540782A (en) * | 2018-10-23 | 2019-03-29 | 中国科学院理化技术研究所 | Pin disc type friction and wear testing machine |
| CN110160865A (en) * | 2019-06-14 | 2019-08-23 | 大连理工大学 | A kind of temperature control cooling pin fixture for pin disk-type friction abrasion tester |
| CN110426304A (en) * | 2019-07-26 | 2019-11-08 | 北京理工大学 | The humidity chamber device of ring block type friction-wear test |
| CN111380764A (en) * | 2020-04-10 | 2020-07-07 | 兰州华汇仪器科技有限公司 | High-temperature friction and wear tester |
| CN112540019A (en) * | 2020-12-04 | 2021-03-23 | 合肥工业大学 | High-speed friction interface optical in-situ observation precision friction and wear testing machine |
| CN112683771A (en) * | 2020-11-27 | 2021-04-20 | 中国汽车工程研究院股份有限公司 | Gear type rotary objective table of material friction abnormal sound test bed |
| CN113358512A (en) * | 2021-05-28 | 2021-09-07 | 苏州市安派精密电子有限公司 | Electroplating part friction-resistant testing device with high accuracy |
| WO2022042057A1 (en) * | 2020-08-26 | 2022-03-03 | 江苏大学 | Friction-wear test apparatus capable of achieving pin-disc differential temperature distribution and adaptive adjustment |
| CN117191421A (en) * | 2023-08-29 | 2023-12-08 | 中汽研汽车检验中心（天津）有限公司 | Device and method for brake wear particulate emissions testing |
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| CN109540782B (en) * | 2018-10-23 | 2021-08-20 | 中国科学院理化技术研究所 | Pin disc type friction and wear testing machine |
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| CN112540019B (en) * | 2020-12-04 | 2023-07-18 | 合肥工业大学 | High-speed friction interface optical in-situ observation precise friction and wear testing machine |
| CN113358512A (en) * | 2021-05-28 | 2021-09-07 | 苏州市安派精密电子有限公司 | Electroplating part friction-resistant testing device with high accuracy |
| CN117191421A (en) * | 2023-08-29 | 2023-12-08 | 中汽研汽车检验中心（天津）有限公司 | Device and method for brake wear particulate emissions testing |
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