CN109916810A - The simulation of dry type sliding friction pair interface transient temperature and test macro and disk disk module - Google Patents
The simulation of dry type sliding friction pair interface transient temperature and test macro and disk disk module Download PDFInfo
- Publication number
- CN109916810A CN109916810A CN201811623111.2A CN201811623111A CN109916810A CN 109916810 A CN109916810 A CN 109916810A CN 201811623111 A CN201811623111 A CN 201811623111A CN 109916810 A CN109916810 A CN 109916810A
- Authority
- CN
- China
- Prior art keywords
- temperature
- infrared
- sliding friction
- simulation
- dry type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 128
- 230000001052 transient effect Effects 0.000 title claims abstract description 62
- 238000004088 simulation Methods 0.000 title claims abstract description 54
- 239000000523 sample Substances 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 25
- 230000008569 process Effects 0.000 claims abstract description 11
- 238000005259 measurement Methods 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000002826 coolant Substances 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 16
- 239000010410 layer Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 14
- 230000006378 damage Effects 0.000 claims description 11
- 230000004044 response Effects 0.000 claims description 9
- 239000002783 friction material Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000013500 data storage Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims description 3
- 238000011161 development Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000004663 powder metallurgy Methods 0.000 claims description 2
- 239000011435 rock Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000002277 temperature effect Effects 0.000 claims 1
- 238000009529 body temperature measurement Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000001931 thermography Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013102 re-test Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The simulation of dry type sliding friction pair disclosed by the invention interface transient temperature and infrared test system, belong to field of optical measurements.The simulation of dry type sliding friction pair interface transient temperature is with infrared test system mainly by Work condition analogue module and infrared test module composition.Work condition analogue module includes controller, motor, compressor, heater, executing agency and disk disk module；Infrared test module includes infrared temperature probe, signal process box, capture card and host computer；The system can high-precision analog go out to produce and life in the various dry type sliding friction pairs interface transient temperature value that occurs.The present invention also provides a kind of disks that can be realized the simulation of dry type sliding friction pair interface transient temperature and test to the sliding construction module that rubs of disk, has the advantage that: inside burying infrared temperature probe, is designed using contactless temperature measurement structure, the temperature-responsive time is fast, and error is small；Structure is simple, is conveniently replaceable friction exemplar；Temperature simulation range is big, can be realized -30 DEG C -500 DEG C of Work condition analogue.
Description
Technical field
The present invention relates to a kind of simulations of dry type sliding friction pair interface transient temperature and infrared test system, belong to optics survey
Amount field.
Background technique
When another body surface slides, the obstruction that contact interface generates is opposite to be transported for sliding friction, as an object
Dynamic phenomenon.Dry type sliding friction appear in production and life in each corner, such as slide, rail, dry clutch and
Brake.We it should be understood that the secondary interface that rubs transient state temperature field, with analyze the frictional behaviour of contact surface, physicochemical characteristic and
Mechanical deformation etc. improves service life to preferably improve the performance of friction element.It is directed to the surface transient of object at present
Temperature-testing device is broadly divided into contact and contactless two kinds of measurement schemes, such as fibre optical sensor and thermocouple etc. are to connect
Touch temperature measurement equipment, infrared thermal imaging and infrared temperature probe etc. belong to non-contact type temperature measurement equipment.
Existing dry type sliding friction pair interface transient temperature measuring scheme is mainly used in research and development of products and basic scientific research
Field.For example, Wu Jingui (number of patent application 201710164291.1) proposes a kind of transient temperature measuring system based on FPGA
The problems such as uniting, but being directed to sliding friction field, do not fully consider the installation space of temp measuring system；In high-speed aircraft field, Wu
Generous (number of patent application 200610113792.9) et al. proposes a kind of carbon-fiber composite material high-speed air-craft rectifying cover table
Face transient temperature measuring equipment, the equipment use the scheme of thermocouple contact temperature-measuring, and signal response speed leaves a question open and equipment is answered
It is excessively single with occasion；In the application of dry clutch, Zhang Zhigang's (number of patent application 201210416067.4), which proposes, to be answered
The scheme of punching thermometric is carried out in clutch friction plate side with infrared temperature-test technology, but whole system compatibility is bad, only answers
For clutch field, and needs to employ clutch material object and installed, higher cost；Also Wang Liyong similar to the above
A kind of secondary temperature measurement system of wet clutch friction and measurement side that (number of patent application 201510411770.X) et al. is proposed
Method equally exists similar problem.It can be seen that in terms of the simulation of dry type sliding friction pair interface transient temperature is with test, though
Right optional technical solution is more, but there is above-mentioned either large or small shortcoming.
Contact and contactless two kinds of measurement sides are broadly divided into for the surface transient temperature-testing device of object at present
Case, such as fibre optical sensor and thermocouple etc. are contact type temperature measuring equipment, and infrared thermal imaging and infrared temperature probe etc. belong to
In non-contact type temperature measurement equipment.Firstly, contact temperature-measuring scheme needs for sensor to be embedded to the friction element of any side
In, i.e., measured temperature is not actual contact interface temperature, thus error is larger, and contact temperature-measuring scheme is generally dynamically rung
Answer speed slower；Although contactless temperature-measuring scheme corresponding speed is very fast, it is limited to the optics of space and friction element mostly
Characteristic cannot measure the secondary interface transient temperature of plane-plane contact formula friction well, thus also have large error；For answering extensively
For the dry friction element of every field, current interface transient temperature simulation and test equipment are difficult the practical friction of reproducing
In the operating conditions such as friction material, environment temperature, relative rotation speed；In addition, being applied to the dry friction pair transient temperature in single field
Measuring device needs installation by adhering, the higher cost for heavy-duty machinery, system complex and compatibility it is bad.
Summary of the invention
For the deficiency of surface transient temperature-testing device in the prior art, dry type sliding friction pair circle disclosed by the invention
The simulation of face transient temperature and infrared test system technical problems to be solved are as follows: provide and can be applied to multi-field dry type sliding
Rub secondary interface transient temperature simulation and test macro, can high-precision analog go out to produce and life in the various dry types that occur it is sliding
Dynamic friction pair interface transient temperature value.The present invention has the advantage that using the contactless temperature-measuring scheme of perforating type, it can be very
Reduce error to limits；In simulation process can reproducing actual condition, make simulation temperature value have more confidence level；It is convenient for
Replacement friction exemplar, is suitable for each field and various friction materials；Features simple structure, it is only necessary to small-sized exemplar is processed, it being capable of very day of one's doom
Degree ground save the cost.
Invention additionally discloses for the simulation of dry type sliding friction pair interface transient temperature and the disk disk of infrared test system
Module technical problems to be solved are as follows: provide it is a kind of can be realized dry type sliding friction pair interface transient temperature simulation and test
Disk is to the sliding construction module that rubs of disk.It has the advantage that: inside burying infrared temperature probe, designed using contactless temperature measurement structure, temperature
Spend that the response time is fast, and error is small；Structure is simple, it is only necessary to process small-sized style, and be conveniently replaceable friction exemplar；Temperature simulation range
Greatly, -30 DEG C -500 DEG C of Work condition analogue may be implemented.
The present invention is achieved through the following technical solutions.
The simulation of dry type sliding friction pair disclosed by the invention interface transient temperature and infrared test system, mainly by operating condition mould
Quasi- module and infrared test module composition.Work condition analogue module include controller, motor, compressor, heater, executing agency and
Disk disk module；Infrared test module includes infrared temperature probe, signal process box, capture card and host computer.
Work condition analogue module working method is that host computer sends instructions to controller, and controller is issued according to different instruction
Signal is controlled to motor, compressor or heater.Executing agency is used to provide the relative rotation speed of 0-5000r/min to disk disk module
The contact pressure of difference and 0-8000N；Compressor and heater are used to provide -30 DEG C -500 DEG C of environment temperature for disk disk module
Degree, to realize simulation dry type sliding friction pair interface friction operating condition.
Infrared test module working method is that temperature signal is passed to by the two-way infrared temperature probe arranged in disk disk module
Signal process box is transferred to capture card after filtering, signal amplification and A/D conversion signal conditioning link, and passes through host computer
It is shown and is controlled.Wherein, the range of infrared temperature probe be -50 DEG C -600 DEG C, precision be better than 0.3%, response speed≤
5ms。
The working method of dry type sliding friction pair disclosed by the invention interface transient temperature simulation and infrared test system are as follows:
Step 1: carrying out the parameter setting of host computer, including the relative linear velocity, environment temperature, contact to simulated object
Pressure, contact angle and sliding friction time.
Step 2: being calculated the heat flow density that unit friction work is converted completely by host computer, and judging whether can be to friction material
Material has too strong destruction, the i.e. reasonability of certificate parameter setting, and repetition parameter sets link if unreasonable.
Too strong destruction refers to that damage parameter is more than preset threshold in step 2, and the preferred upper computer software of threshold value is matched
Material secure threshold in standby database.
Step 3: after the completion of parameter setting described in step 1, issuing sliding sign on of rubbing, and controller issues control signal,
Test module starting, temperature data start high speed acquisition and real-time display simultaneously.
Step 4: successively differentiate whether the environment temperature of disk disk module and relative rotation speed reach target set point, if do not had
There is arrival, engagement of pressurizeing after waiting until reaching target value rubs to start cunning.
Step 5: differentiating whether sliding friction time reaches the target sliding friction time of setting, unloads after waiting until reaching target value
Pressure separation, and then stop motor and temperature control.
Step 6: after issuing instruction data storage, host computer storage acquisition data, and data readback function is provided.
Step 7: the step according to step 1 to step 6 realizes single dry type sliding friction pair interface transient temperature mould
Quasi- and infrared test.
Step 8: the dry type sliding friction pair interface transient temperature under corresponding number difference operating condition is carried out according to actual needs
Simulation and infrared test, and then realize and be applied to the multi-field simulation of dry type sliding friction pair interface transient temperature and test, energy
Enough high-precision analogs go out the various dry type sliding friction pairs interface transient temperature value for producing and occurring in living.
Described is multi-field including vehicle friction transmission and braking, rock and the detection of metal thermophysical property, conveyer belt production
The temperature field analysis of product research and development and various friction elements.
As an improvement upper computer software writes the programmed environment with simple modular, it is convenient for later development.Interface
Mainly it is made of Work condition analogue module, infrared test module and basal keystroke.Opposite linear speed is mainly completed in Work condition analogue module
The setting of degree, environment temperature, contact pressure, contact angle and sliding friction time etc., setting range are corresponding in turn to as 0-60m/s, and -30
DEG C -500 DEG C, 0-7500N, 0-90 ° and 0-24h, rationally and safety whether working condition safety indicator light prompt simulation operating condition；Infrared survey
Die trial block mainly completes the display of two-way infrared temperature signal, then alarms after two-way temperature signal differs by more than preset threshold,
There is centering in prompt sensor fault or sliding plane of rubbing；Basal keystroke include start it is sliding rub, data storage, data readback,
It emergent stopping and logs off.
As an improvement dry type sliding friction Work condition analogue module mainly uses disk to disk-type friction, i.e. disk disk module.
Disk disk module is mainly made of rotary shaft, workbench, upper test specimen, lower test specimen, case lid, flexible chucking tools, heater strip and coolant liquid.Outside
Peripheral equipment includes motor, revolving speed executing agency, pressure executing agency.Connection relationship: motor is connected by gear in peripheral equipment
Revolving speed executing agency, revolving speed executing agency connect rotary shaft, the affixed workbench of rotary shaft, fixed upper test specimen on workbench；Periphery
Pressure executing agency in equipment connects flexible chucking tools, and flexible chucking tools and upper test specimen are affixed, and infrared measurement of temperature is embedded to inside upper test specimen
Probe；Case lid and cabinet on the outside of upper and lower test specimen are connected with fastening screw, the affixed device housings of cabinet, are distributed with and are added in box body wall
Heated filament and coolant liquid, heating wire and coolant liquid are separated with interlayer.Disk disk module working method are as follows: motor drives rotary shaft and work
Platform rotation, lower test specimen follow workbench to rotate together with；Upper test specimen applies certain contact pressure, two-way by pressure executing agency is logical
Infrared temperature probe is installed on the middle outer diameter position of upper test specimen, the transient temperature of real-time monitoring contact interface by through-hole；Heating
Silk is for improving rapidly environment temperature, and for the coolant liquid of connect compressor for reducing environment temperature, case lid plays insulation effect.
Upper test specimen, lower test specimen are referred to as friction exemplar, as a further improvement, friction exemplar basic structure is more succinct, just
It is processed in repetition.Upper test specimen is made of frictional layer, base and two infrared temperature probes.Frictional layer and lower test specimen, which respectively correspond, to be needed
The friction pair material of simulation, frictional layer and lower test specimen carry out contact friction.Infrared temperature probe is installed on upper test specimen by through-hole
Middle outer diameter at, sensing point directs at frictional interface but does not contact frictional interface.Have in the middle part of upper test specimen through-hole carry out screw it is fixed and
Uniformly distributed threaded hole carries out flexibility and is loaded, and lower test specimen middle section has through-hole progress screw to fix, and there are location hole in two sides.
As a further improvement, the rotary shaft and workbench, pressure executing agency and flexible chucking tools, revolving speed execute machine
It is preferably threadedly coupled between structure and rotary shaft；Case lid, flexible chucking tools, infrared temperature probe, workbench and the rotary shaft be
Standard component is continued to use when single component damage by replacement；
The infrared temperature probe number is two, and 180 ° symmetrical, is optionally proofreaded all the way as signal；The upper examination
Part friction layer thickness can be adjusted flexibly, preferably 5-8mm；The infrared temperature probe length of embedment can be adjusted flexibly, preferably
Probe tip is apart from contact interface 10-15mm；The coolant liquid requires stability of characteristics, and rate of temperature fall is fast, preferably R290.
When simulated domestic car dry clutch nominal situation, upper test specimen friction layer material is paper base powder metallurgy, under
Material for test is 65Mn steel, and duty parameter is relative linear velocity 25m/s, 60 DEG C of environment temperature, contact pressure 200N, contact angle
0 ° and sliding friction time 2s.
The utility model has the advantages that
1, a kind of dry type sliding friction pair interface transient temperature simulation disclosed by the invention and test macro, can will produce
It is simulated with the dry type sliding friction pair interface transient temperature problem occurred in life, by replacing corresponding friction material and ginseng
The number setting various actual conditions of reproducing, have very extensive applicability.
2, a kind of dry type sliding friction pair interface transient temperature simulation disclosed by the invention and test macro, are buried by punching
Enter contactless infrared measurement of temperature scheme, the range of infrared temperature probe is -50 DEG C -600 DEG C, precision 0.3%, response speed
≤ 5ms gets through the upper test specimen of hole embedment friction, is equipped with high-speed data acquisition and the storage function of 16 8 channel sample rate 80MS/s
Can, measuring accuracy is high, and fast response time has a clear superiority compared with conventional contact thermometric scheme.
3, a kind of dry type sliding friction pair interface transient temperature simulation disclosed by the invention and test macro, pass through setting two
Road infrared measurement of temperature channel, real-time perfoming check and correction, more single pass signal acquisition have better data credibility；By to parameter
It is set for the judgement of hot-fluid safety value, exceeds safety value range alarm, there is good safety and stability.
4, a kind of dry type sliding friction pair interface transient temperature simulation disclosed by the invention and test macro, by closed
Cabinet realize temperature control, heating wire heating and coolant liquid refrigeration, more open working environment have higher simulation
Preciseness and feasibility, considerably increase the scope of application.
5, a kind of dry type sliding friction pair interface transient temperature simulation disclosed by the invention and test macro, by adopting sample
The test thinking separately simulated realizes the accurate survey in each field and various friction material sliding friction contact interface transient temperatures
Examination, the Research on Automatic Measuring System of Temperature for being relatively mechanically embedding formula are more convenient for replacing friction exemplar retest, and volume is smaller, and structure is simpler,
It is more readily processed, it being capable of very limits ground save the cost.
Detailed description of the invention
Fig. 1 is a kind of basic composition block diagram of dry type sliding friction pair interface transient temperature simulation and test macro.
Fig. 2 is that system solution of the invention executes logic chart.
Fig. 3 is that system host computer interface of the invention constitutes schematic diagram.
Fig. 4 is disk disk module basic structure schematic diagram of the invention.Wherein, 1- case lid, test specimen under 2-, 3- workbench, 4-
Rotary shaft, the upper test specimen of 5-, 6- coolant liquid, 7- heater strip, 8- temperature sensor, 9- flexible chucking tools.
Fig. 5 is test specimen figure in processing of the invention, in which: Fig. 5 a is top view, and Fig. 5 b is main view.5.1- frictional layer,
5.2- base, 5.3- infrared temperature probe.
Fig. 6 is test specimen figure under processing of the invention, in which: Fig. 6 a is top view, and Fig. 6 b is main view.
Specific embodiment
The invention will be further described with embodiment with reference to the accompanying drawing.
Embodiment 1:
As shown in Figure 1, a kind of simulation of dry type sliding friction pair interface transient temperature disclosed in the present embodiment and test macro,
Mainly by Work condition analogue module and infrared test module composition.Work condition analogue module includes controller, motor, compressor, heating
Device, executing agency and disk disk module；Infrared test module includes infrared temperature probe, signal process box, NI capture card and upper
Machine.
Work condition analogue module working method is that host computer sends instructions to controller, and controller is issued according to different instruction
Signal is controlled to motor, compressor or heater.Executing agency is used to provide the relative rotation speed of 0-5000r/min to disk disk module
The contact pressure of difference and 0-8000N；Compressor and heater are used to provide -30 DEG C -500 DEG C of environment temperature for disk disk module
Degree, to realize simulation dry type sliding friction pair interface friction operating condition.
Infrared test module working method is that temperature signal is passed to by the two-way infrared temperature probe arranged in disk disk module
Signal process box is transferred to 16 8 channel sample rates after filtering, signal amplification and A/D conversion signal conditioning link
The NI capture card of 80MS/s, and shown and controlled by the upper computer software that Labview writes.Wherein, infrared measurement of temperature is visited
The range of head is -50 DEG C -600 DEG C, precision 0.3%, response speed≤5ms.
The work of a kind of dry type sliding friction pair interface transient temperature disclosed in the present embodiment simulation and infrared test system
Method are as follows:
Step 1: carrying out the parameter setting of host computer, including the relative linear velocity, environment temperature, contact to simulated object
Pressure, contact angle and sliding friction time；
Step 2: being calculated the heat flow density that unit friction work is converted completely by host computer, and judging whether can be to friction material
Material has too strong destruction, the i.e. reasonability of certificate parameter setting, and repetition parameter sets link if unreasonable；Step
Too strong destruction refers to that damage parameter is more than preset threshold in two, and the preferred upper computer software of threshold value is equipped in database
Material secure threshold.
Step 3: after the completion of parameter setting described in step 1, issuing sliding sign on of rubbing, and controller issues control signal,
Test module starting, temperature data start high speed acquisition and real-time display simultaneously；
Step 4: successively differentiate whether the environment temperature of disk disk module and relative rotation speed reach target set point, if do not had
There is arrival, engagement of pressurizeing after waiting until reaching target value rubs to start cunning；
Step 5: differentiating whether sliding friction time reaches the target sliding friction time of setting, unloads after waiting until reaching target value
Pressure separation, and then stop motor and temperature control；
Step 6: after issuing instruction data storage, host computer storage acquisition data, and data readback function is provided.
Step 7: the step according to step 1 to step 6 realizes single dry type sliding friction pair interface transient temperature mould
Quasi- and infrared test.
Step 8: the dry type sliding friction pair interface transient temperature under corresponding number difference operating condition is carried out according to actual needs
Simulation and infrared test, and then realize and be applied to the multi-field simulation of dry type sliding friction pair interface transient temperature and test, energy
Enough high-precision analogs go out the various dry type sliding friction pairs interface transient temperature value for producing and occurring in living.
It provides and can be applied to the multi-field simulation of dry type sliding friction pair interface transient temperature and test macro, Neng Gougao
Precision analog goes out the various dry type sliding friction pairs interface transient temperature value for producing and occurring in living.The present invention has following excellent
Point: using the contactless temperature-measuring scheme of perforating type, very limits error can be reduced；It being capable of reproducing in simulation process
Actual condition makes the temperature value of simulation have more confidence level；It is conveniently replaceable friction exemplar, is suitable for each field and various friction materials
Material；Features simple structure, it is only necessary to small-sized exemplar is processed, it being capable of very limits ground save the cost.
Upper computer software is write by Labview, and the programmed environment with simple modular is convenient for later development.Interface master
It to be made of Work condition analogue module, infrared test module and basal keystroke.Mainly completed in Work condition analogue module relative linear velocity,
The setting of environment temperature, contact pressure, contact angle and sliding friction time etc., setting range are corresponding in turn to as 0-60m/s, -30 DEG C -
500 DEG C, 0-7500N, 0-90 ° and 0-24h, whether working condition safety indicator light prompt simulation operating condition is rationally and safe；Infrared test
Module mainly completes the display of two-way infrared temperature signal, then alarms after two-way temperature signal differs by more than the 5% of average value,
There is centering in prompt sensor fault or sliding plane of rubbing；Basal keystroke include start it is sliding rub, data storage, data readback,
It emergent stopping and logs off.
Dry type sliding friction Work condition analogue module mainly uses disk to disk-type friction, i.e. disk disk module.Disk disk module is main
It is made of rotary shaft 4, workbench 3, upper test specimen 5, lower test specimen 2, case lid 1, flexible chucking tools 9, heater strip 7 and coolant liquid 6.Periphery is set
Standby includes motor, revolving speed executing agency, pressure executing agency.Connection relationship: motor connects revolving speed by gear in peripheral equipment
Executing agency, revolving speed executing agency connect rotary shaft 4, the affixed workbench 3 of rotary shaft 4, fixed lower test specimen 2 on workbench 3；Periphery
Pressure executing agency in equipment connects flexible chucking tools 9, and flexible chucking tools 9 and upper test specimen 5 are affixed, are embedded to inside upper test specimen 5 infrared
Temperature probe 5.3；Case lid 1 and cabinet on the outside of upper and lower test specimen are connected with fastening screw, the affixed device housings of cabinet, in box body wall
Heater strip 7 and coolant liquid 6 is distributed with, heating wire 7 is separated with coolant liquid 6 with interlayer.Working method are as follows: motor drives rotary shaft 4
It is rotated with workbench 3, lower test specimen 2 follows workbench 3 to rotate together with；Upper test specimen 5 applies certain connect by pressure executing agency is logical
Touch pressure, two-way infrared temperature probe 5.3 are installed on the middle outer diameter position of upper test specimen 5, real-time monitoring contact interface by through-hole
Transient temperature；Heater strip 7 is for improving rapidly environment temperature, and the coolant liquid 6 of connect compressor is for reducing environment temperature, case
Lid 1 plays insulation effect.
Upper test specimen 5, lower test specimen 2 are referred to as friction exemplar, as a further improvement, friction exemplar basic structure is more succinct,
Convenient for repeating to process.Upper test specimen is made of frictional layer 5.1, base 5.2 and two infrared temperature probes 5.3.Frictional layer 5.1 is under
Test specimen 2 respectively corresponds the friction pair material that need to be simulated, and frictional layer 5.1 and lower test specimen 2 carry out contact friction.Infrared temperature probe
5.3 are installed at the middle outer diameter of upper test specimen by through-hole, and sensing point directs at frictional interface but do not contact frictional interface.In upper test specimen
Portion have through-hole carry out screw fix and be evenly distributed with threaded hole carry out flexibility be loaded, lower test specimen middle section have through-hole carry out screw consolidate
Fixed, there are location hole in two sides.
Using contactless temperature-measuring scheme, the range of infrared temperature probe 5.3 is -50 DEG C -600 DEG C, precision 0.3%,
Response speed≤5ms gets through the upper test specimen of hole embedment friction, is equipped with the high-speed data acquisition of 16 8 channel sample rate 80MS/s
And store function, measuring accuracy is high, and fast response time has a clear superiority compared with conventional contact thermometric scheme.
Upper computer software is write using Labview, and as a kind of replacement, writing based on C/C# language also can be used
Host computer interface, function equally may be implemented；
Infrared measurement of temperature number of active lanes is 2, and as a kind of replacement, all designs for being more than or equal to 2 channels equally can be with
The purpose of test is completed, and equally has the effect of check-back signal and increases data volume.
Above-described specific descriptions have carried out further specifically the purpose of invention, technical scheme and beneficial effects
It is bright, it should be understood that the above is only a specific embodiment of the present invention, the protection model being not intended to limit the present invention
It encloses, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention
Protection scope within.
Claims (10)
1. the simulation of dry type sliding friction pair interface transient temperature and infrared test system, it is characterised in that: mainly by Work condition analogue
Module and infrared test module composition；Work condition analogue module includes controller, motor, compressor, heater, executing agency and disk
Disk module；Infrared test module includes infrared temperature probe (5.3), signal process box, capture card and host computer；
Work condition analogue module working method is that host computer sends instructions to controller, and controller is issued according to different instruction and controlled
Signal is to motor, compressor or heater；Executing agency be used for disk disk module provide 0-5000r/min relative rotation speed difference with
And the contact pressure of 0-8000N；Compressor and heater are used to provide -30 DEG C -500 DEG C of environment temperature for disk disk module, from
And realize simulation dry type sliding friction pair interface friction operating condition.
Infrared test module working method is that the two-way infrared temperature probe (5.3) arranged in disk disk module passes temperature signal
Enter signal process box, is transferred to capture card after filtering, signal amplification and A/D conversion signal conditioning link, and by upper
Machine is shown and is controlled.
2. the simulation of dry type sliding friction pair as described in claim 1 interface transient temperature and infrared test system, feature exist
In: the range of infrared temperature probe (5.3) is -50 DEG C -600 DEG C, and precision is better than 0.3%, response speed≤5ms.
3. the simulation of dry type sliding friction pair as claimed in claim 1 or 2 interface transient temperature and infrared test system, feature
Be: working method is,
Step 1: carrying out the parameter setting of host computer, including to the relative linear velocity of simulated object, environment temperature, contact pressure,
Contact angle and sliding friction time；
Step 2: being calculated the heat flow density that unit friction work is converted completely by host computer, judges whether can have to friction material
There are too strong destruction, the i.e. reasonability of certificate parameter setting, repetition parameter sets link if unreasonable；
Too strong destruction refers to that damage parameter is more than preset threshold in step 2, and the preferred upper computer software of threshold value is equipped with number
According to the material secure threshold in library；
Step 3: after the completion of parameter setting described in step 1, sliding sign on of rubbing is issued, controller issues control signal, simultaneously
Test module starting, temperature data start high speed acquisition and real-time display；
Step 4: successively differentiate whether the environment temperature of disk disk module and relative rotation speed reach target set point, if do not arrived
It reaches, engagement of pressurizeing after waiting until reaching target value rubs to start cunning；
Step 5: differentiating whether sliding friction time reaches the target sliding friction time of setting, waits until reaching release point after target value
From, and then stop motor and temperature control；
Step 6: after issuing instruction data storage, host computer storage acquisition data, and data readback function is provided；
Step 7: the step according to step 1 to step 6 realize single dry type sliding friction pair interface transient temperature simulation with
Infrared test；
Step 8: the dry type sliding friction pair interface transient temperature simulation under corresponding number difference operating condition is carried out according to actual needs
With infrared test, and then realizes and be applied to multi-field dry type sliding friction pair interface transient temperature simulation and test, Neng Gougao
Precision analog goes out the various dry type sliding friction pairs interface transient temperature value for producing and occurring in living.
4. the simulation of dry type sliding friction pair as claimed in claim 1 or 2 interface transient temperature and infrared test system, feature
Be: described is multi-field including vehicle friction transmission and braking, rock and metal thermophysical property detect, conveyor product is ground
The temperature field analysis of hair and various friction elements.
5. the simulation of dry type sliding friction pair as claimed in claim 4 interface transient temperature and infrared test system, feature exist
In: upper computer software writes the programmed environment with simple modular, is convenient for later development；Interface is mainly by Work condition analogue mould
Block, infrared test module and basal keystroke are constituted；Relative linear velocity, environment temperature, contact are mainly completed in Work condition analogue module
The setting of pressure, contact angle and sliding friction time etc., setting range are corresponding in turn to as 0-60m/s, and -30 DEG C -500 DEG C, 0-
7500N, 0-90；And whether 0-24h, working condition safety indicator light prompt simulation operating condition are rationally and safe；Infrared test module is main
The display for completing two-way infrared temperature signal, then alarms after two-way temperature signal differs by more than preset threshold, prompts sensor
There is centering in failure or sliding plane of rubbing；Basal keystroke include start it is sliding rub, data storage, data readback, emergent stopping and
It logs off.
6. the simulation of dry type sliding friction pair as claimed in claim 5 interface transient temperature and infrared test system, feature exist
In: dry type sliding friction Work condition analogue module mainly uses disk to disk-type friction, i.e. disk disk module；Disk disk module is mainly by rotating
Axis (4), workbench (3), upper test specimen (5), lower test specimen (2), case lid (1), flexible chucking tools (9), heater strip (7) and coolant liquid (6)
It constitutes；Peripheral equipment includes motor, revolving speed executing agency, pressure executing agency；Connection relationship: motor passes through tooth in peripheral equipment
Wheel connection revolving speed executing agency, revolving speed executing agency connect rotary shaft (4), rotary shaft (4) affixed workbench (3), workbench (3)
Test specimen (5) in upper fixation；Pressure executing agency in peripheral equipment connects flexible chucking tools (9), flexible chucking tools (9) and upper test specimen
(5) affixed, infrared temperature probe (5.3) are embedded to inside upper test specimen (5)；Case lid (1) and cabinet on the outside of upper and lower test specimen (2) is with tightly
Gu screw connects, the affixed device housings of cabinet, heater strip (7) and coolant liquid (6), heating wire and coolant liquid is distributed in box body wall
(6) it is separated with interlayer；Disk disk module working method are as follows: motor drives rotary shaft (4) and workbench (3) to rotate, lower test specimen (2) with
It is rotated together with workbench (3)；Upper test specimen (5) applies certain contact pressure, two-way infrared measurement of temperature by pressure executing agency is logical
Probe (5.3) is installed on the middle outer diameter position of upper test specimen (5), the transient temperature of real-time monitoring contact interface by through-hole；Heating
Silk (7) is for improving rapidly environment temperature, and for the coolant liquid (6) of connect compressor for reducing environment temperature, case lid (1) plays guarantor
Temperature effect.
7. the simulation of dry type sliding friction pair as claimed in claim 6 interface transient temperature and infrared test system, feature exist
In: upper test specimen (5), lower test specimen (2) are referred to as friction exemplar, and upper test specimen (5) is by frictional layer (5.1), base (5.2) and two infrared
Temperature probe (5.3) composition；Frictional layer (5.1) and lower test specimen (2) respectively correspond the friction pair material that need to be simulated, frictional layer
(5.1) and lower test specimen (2) carries out contact friction；Infrared temperature probe (5.3) is installed on the middle outer diameter of upper test specimen (5) by through-hole
Place, sensing point direct at frictional interface but do not contact frictional interface；There is through-hole to carry out screw in the middle part of upper test specimen (5) and fixes and be evenly distributed with spiral shell
Pit carries out flexibility and is loaded, and lower test specimen (2) middle section has through-hole progress screw to fix, and there are location hole in two sides.
8. the simulation of dry type sliding friction pair as claimed in claim 7 interface transient temperature and infrared test system, feature exist
In: the rotary shaft (4) and workbench (3), pressure executing agency and flexible chucking tools (9), revolving speed executing agency and rotary shaft
(4) it selects and is threadedly coupled between；Case lid (1), flexible chucking tools (9), infrared temperature probe (5.3), workbench (3) and the rotation
Axis (4) is standard component, when single component damage, is continued to use by replacement.
9. the simulation of dry type sliding friction pair as claimed in claim 8 interface transient temperature and infrared test system, feature exist
In: infrared temperature probe (5.3) number is two, and 180 ° are symmetrical, is optionally proofreaded all the way as signal；The upper examination
Part (5) frictional layer (5.1) thickness can be adjusted flexibly, and select 5-8mm；Infrared temperature probe (5.3) length of embedment is flexibly adjusted
It is whole, select probe tip apart from contact interface 10-15mm；The coolant liquid (6) requires stability of characteristics, and rate of temperature fall is fast, selects R290.
10. the simulation of dry type sliding friction pair as claimed in claim 9 interface transient temperature and infrared test system, feature exist
In: when simulated domestic car dry clutch nominal situation, upper test specimen (5) frictional layer (5.1) material is paper base powder metallurgy,
Lower test specimen (2) material is 65Mn steel, and duty parameter is relative linear velocity 25m/s, 60 DEG C of environment temperature, contact pressure 200N, connects
Feeler degree 0；With sliding friction time 2s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811623111.2A CN109916810B (en) | 2018-12-28 | 2018-12-28 | Dry sliding friction pair interface transient temperature simulation and test system and disc module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811623111.2A CN109916810B (en) | 2018-12-28 | 2018-12-28 | Dry sliding friction pair interface transient temperature simulation and test system and disc module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109916810A true CN109916810A (en) | 2019-06-21 |
| CN109916810B CN109916810B (en) | 2024-05-07 |
Family
ID=66960124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811623111.2A Active CN109916810B (en) | 2018-12-28 | 2018-12-28 | Dry sliding friction pair interface transient temperature simulation and test system and disc module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109916810B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779864A (en) * | 2019-12-04 | 2020-02-11 | 吉林大学 | Bionic microstructure friction and wear process information acquisition device |
| CN110887650A (en) * | 2019-11-29 | 2020-03-17 | 山东金麒麟股份有限公司 | Test method for obtaining high-temperature-resistant range of brake pad |
| CN112611558A (en) * | 2020-12-31 | 2021-04-06 | 深圳技术大学 | Clutch working condition simulation device for friction tester |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353528A (en) * | 2011-06-10 | 2012-02-15 | 中国矿业大学 | Tribological performance monitoring and early-warning device and method of disc brake |
| CN202501982U (en) * | 2012-03-13 | 2012-10-24 | 浙江大学 | Thin-film lubrication for high speed friction pair and heat transfer test system |
| CN102865929A (en) * | 2012-10-26 | 2013-01-09 | 重庆理工大学 | Measurement and test device for transient surface temperature of friction plate of dry clutch |
| CN103175700A (en) * | 2013-02-26 | 2013-06-26 | 同济大学 | High-speed train brake disc air-pumping effect and dynamic heat-dissipation characteristic testing device |
| CN105092244A (en) * | 2015-09-15 | 2015-11-25 | 安徽精科检测技术有限公司 | Multifunctional clutch test stand |
| CN105156508A (en) * | 2015-07-14 | 2015-12-16 | 北京信息科技大学 | Buffer control method and control system of wet type clutch |
| CN204924665U (en) * | 2015-09-23 | 2015-12-30 | 中国人民解放军装甲兵技术学院 | Wet friction piece test device |
| RU2015122719A (en) * | 2015-06-11 | 2016-12-27 | Николай Александрович Вольченко | METHOD FOR EVALUATING EXTERNAL AND INTERNAL PARAMETERS OF FRICTION UNITS UNDER TEST IN STAND CONDITIONS |
| CN106441913A (en) * | 2016-09-12 | 2017-02-22 | 西安航天动力试验技术研究所 | Working state monitoring and automatic shutdown system for engine |
| CN106895974A (en) * | 2017-04-01 | 2017-06-27 | 吉林东光集团有限公司 | A kind of clutch thermal model method of testing |
| CN206787958U (en) * | 2017-04-22 | 2017-12-22 | 陈玉昊 | One kind rotation and straight line compound motion friction wear testing machine |
| CN108304641A (en) * | 2018-01-29 | 2018-07-20 | 北京航空航天大学 | A kind of high energy appearance dry friction element heat resistance design method |
| CN108414105A (en) * | 2018-01-29 | 2018-08-17 | 北京航空航天大学 | A kind of dynamic temperature measurement method that the emulation secondary for dry friction is coupled with experiment |
| JP2018151059A (en) * | 2017-03-13 | 2018-09-27 | 株式会社豊田中央研究所 | Turbulent flow friction resistance reduction device |
-
2018
- 2018-12-28 CN CN201811623111.2A patent/CN109916810B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353528A (en) * | 2011-06-10 | 2012-02-15 | 中国矿业大学 | Tribological performance monitoring and early-warning device and method of disc brake |
| CN202501982U (en) * | 2012-03-13 | 2012-10-24 | 浙江大学 | Thin-film lubrication for high speed friction pair and heat transfer test system |
| CN102865929A (en) * | 2012-10-26 | 2013-01-09 | 重庆理工大学 | Measurement and test device for transient surface temperature of friction plate of dry clutch |
| CN103175700A (en) * | 2013-02-26 | 2013-06-26 | 同济大学 | High-speed train brake disc air-pumping effect and dynamic heat-dissipation characteristic testing device |
| RU2015122719A (en) * | 2015-06-11 | 2016-12-27 | Николай Александрович Вольченко | METHOD FOR EVALUATING EXTERNAL AND INTERNAL PARAMETERS OF FRICTION UNITS UNDER TEST IN STAND CONDITIONS |
| CN105156508A (en) * | 2015-07-14 | 2015-12-16 | 北京信息科技大学 | Buffer control method and control system of wet type clutch |
| CN105092244A (en) * | 2015-09-15 | 2015-11-25 | 安徽精科检测技术有限公司 | Multifunctional clutch test stand |
| CN204924665U (en) * | 2015-09-23 | 2015-12-30 | 中国人民解放军装甲兵技术学院 | Wet friction piece test device |
| CN106441913A (en) * | 2016-09-12 | 2017-02-22 | 西安航天动力试验技术研究所 | Working state monitoring and automatic shutdown system for engine |
| JP2018151059A (en) * | 2017-03-13 | 2018-09-27 | 株式会社豊田中央研究所 | Turbulent flow friction resistance reduction device |
| CN106895974A (en) * | 2017-04-01 | 2017-06-27 | 吉林东光集团有限公司 | A kind of clutch thermal model method of testing |
| CN206787958U (en) * | 2017-04-22 | 2017-12-22 | 陈玉昊 | One kind rotation and straight line compound motion friction wear testing machine |
| CN108304641A (en) * | 2018-01-29 | 2018-07-20 | 北京航空航天大学 | A kind of high energy appearance dry friction element heat resistance design method |
| CN108414105A (en) * | 2018-01-29 | 2018-08-17 | 北京航空航天大学 | A kind of dynamic temperature measurement method that the emulation secondary for dry friction is coupled with experiment |
Non-Patent Citations (3)
| Title |
|---|
| CHOKPHOEMPHUN S.: "Heat transfer augmentation in a round tube with 60 winglet pair", ADVANCED MATERIALS RESEARCH, vol. 931, 19 September 2014 (2014-09-19), pages 1188 - 92 * |
| EU施林德尔: "《换热器设计手册第2卷流体力学与传热学》", vol. 1, 30 June 1989, 机械工业出版社, pages: 556 - 557 * |
| 李阳杰: "列车制动盘试验测试与数值模拟的温度偏差分析", 润滑与密封, vol. 44, no. 2, 28 February 2019 (2019-02-28), pages 51 - 58 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887650A (en) * | 2019-11-29 | 2020-03-17 | 山东金麒麟股份有限公司 | Test method for obtaining high-temperature-resistant range of brake pad |
| CN110887650B (en) * | 2019-11-29 | 2022-07-29 | 山东金麒麟股份有限公司 | Test method for obtaining high-temperature-resistant range of brake pad |
| CN110779864A (en) * | 2019-12-04 | 2020-02-11 | 吉林大学 | Bionic microstructure friction and wear process information acquisition device |
| CN112611558A (en) * | 2020-12-31 | 2021-04-06 | 深圳技术大学 | Clutch working condition simulation device for friction tester |
| CN112611558B (en) * | 2020-12-31 | 2023-06-23 | 深圳技术大学 | Clutch working condition simulation device for friction testing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109916810B (en) | 2024-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109916810A (en) | The simulation of dry type sliding friction pair interface transient temperature and test macro and disk disk module | |
| Xu et al. | Comparison of methods to measure grinding temperatures | |
| Gierlak et al. | On-line manipulator tool condition monitoring based on vibration analysis | |
| CN103983436B (en) | A kind of brake friction, heating, vibration coupling testing stand | |
| CN106370591A (en) | Test machine for lubrication and friction and abrasion features of bearing bush | |
| CN103900958A (en) | Method for evaluating scraping performance of sealed coating and material | |
| CN213121128U (en) | Automobile brake performance detection device | |
| CN103175700A (en) | High-speed train brake disc air-pumping effect and dynamic heat-dissipation characteristic testing device | |
| CN208155590U (en) | A kind of electro spindle comprehensive performance testing system | |
| Pekris et al. | An investigation of flow, mechanical, and thermal performance of conventional and pressure-balanced brush seals | |
| CN205384136U (en) | It detects and monitoring devices to simulate loaded power knife rest performance of typical operating mode | |
| CN105865800A (en) | Gas turbine engine test bench testing system | |
| CN207067377U (en) | A kind of test device of voltage sensor | |
| Perzborn et al. | On similarities and differences of measurements on inertia dynamometer and scale testing tribometer for friction coefficient evaluation | |
| CN209784148U (en) | Disk module for dry-type sliding friction pair interface transient temperature simulation and infrared test system | |
| Nisonger et al. | High temperature brake cooling-characterization for brake system modeling in race track and high energy driving conditions | |
| CN103175864A (en) | Environment state infrared comprehensive quick tester and corresponding test method | |
| CN108646670B (en) | Real-time prediction method for temperature of parts of numerical control machine tool | |
| CN204085363U (en) | A kind of toe shape rocking arm hole and centre distance comprehensive test measurer | |
| CN107165849A (en) | A kind of machine box for server control method for fan based on Redundant Control strategy | |
| Yin et al. | Fusion monitoring of friction temperature rise of mechanical brake based on multi-source information and AI technology | |
| CN111791916A (en) | Online dynamic detection method and system for wheel tread temperature | |
| CN206676922U (en) | A kind of milling train | |
| CN206321356U (en) | A kind of device for being used to measure the temperature of ingot | |
| Pekris et al. | An Investigation of Flow, Mechanical and Thermal Performance of Conventional and Pressure-Balanced Brush Seals |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |