CN206557135U - A kind of novel multi-station material hot fatigue performance test device - Google Patents
A kind of novel multi-station material hot fatigue performance test device Download PDFInfo
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- CN206557135U CN206557135U CN201621314055.0U CN201621314055U CN206557135U CN 206557135 U CN206557135 U CN 206557135U CN 201621314055 U CN201621314055 U CN 201621314055U CN 206557135 U CN206557135 U CN 206557135U
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Abstract
The utility model discloses a kind of novel multi-station material hot fatigue performance test device, including sample rotating disk, transmission system, motor, heating system, cooling system and control system, motor drives sample rotating disk to rotate by transmission system, multiple fixed stations are provided with sample rotating disk, sample is positioned on fixed station during sample testing, heating system and cooling system are arranged at the top of sample rotating disk, correspond respectively to different fixed station arrangements, control system controlled motor, heating system and cooling system operating in sample rotating disk.The present apparatus is simple in construction, reliable, easy to operate, and testing efficiency is improved, experimentation cost reduction, is substantially shorter the material thermal fatigue test cycle.
Description
Technical field
The utility model is related to Material Testing Technology field, and in particular to a kind of novel multi-station material thermal fatigue property is surveyed
Trial assembly is put.
Background technology
When workpiece or material are subjected to periodically quickly heating with quick cooling, because its free wxpansion and contraction are by about
Beam and produce pulsating stress or cyclic strain, ultimately result in material surface cracking and destroy phenomenon referred to as heat fatigue.
Thermal Fatigue Damage is widely present among the equipment such as high-temperature service, hot-work die, engine, precision electronic device,
Illustrate：(1) nuclear power station is in normal course of operation, when the high-temperature water of main pipeline is mixed with the water at low temperature of branch pipe(tube), branch pipe
The change of fluid boundary layer generating period in road, makes the change that branch pipe(tube) is Temperature cycling, causes Thermal Fatigue Damage；(2) it is hot
Forging mould plays very important effect in automobile making, and automobile hot forged mould is applied to the rough forge stage of axle class blank
When, because blank temperature reaches 1200~1300 DEG C, hot-forging model cavity is contacted with high temperature blank, and temperature is quickly raised, worked
Cooling in good time is needed in journey, causes hot-forging model cavity surface to be born to cold and heat succeed each other the temperature change of circulation, produces heat on surface tired
Labor crackle, influences the precision and service life of mould；(3) roll for hot-rolling, when biting material to be rolled during it once rotates, rolls
The temperature of roller surface rises, and roller surface temperature declines again after material hauling-out, and experience is heated and cooled down after circulation several times, is rolled
Roller surface is produced cracking and peeled off by Thermal Fatigue Damage；(4) automobile engine in startup-docking process by heat fatigue
Damage, easily produces heat fatigue cracking in cylinder or cylinder cap surface, destroys cylinder air-tightness, deteriorate engine performance；(5) defend
Star is when space LEO orbits the earth, and satellite sun energy windsurfing is huge towards sunny side and opaco temperature difference, solar energy
Windsurfing is heated due to the sunshine that receives in state of flight discontinuously, is among a temperature cycles, is produced thermal cycle
Stress, and form heat fatigue cracking on solar energy sailboard surface.
Due to the complexity of material heat fatigue phenomenon, the measuring technology of thermal fatigue test is occupied in material heat fatigue research
Consequence and effect.Domestic and foreign scholars have carried out numerous studies to this, design and propose various thermal fatigue test apparatus
And method.The mode of heating of material thermal fatigue tester mainly has infrared heating, resistance heating, sensing heating etc., wherein sensing
Heating has the advantages that fast firing rate, efficiency high, control are simple, using the most universal.
The content of the invention
The technical problems to be solved in the utility model is that there is provided a kind of new in view of the foregoing defects the prior art has
Type multistation material hot fatigue performance test device, the present apparatus is simple in construction, reliable, easy to operate, and testing efficiency is improved,
Experimentation cost is reduced, and is substantially shorter the material thermal fatigue test cycle.
The utility model is to solve the technical scheme that is used of above-mentioned technical problem：
A kind of novel multi-station material hot fatigue performance test device, including sample rotating disk, transmission system, motor, plus
Hot systems, cooling system and control system, motor drive sample rotating disk to rotate by transmission system, are set in sample rotating disk
There are multiple fixed stations, sample is positioned on fixed station during sample testing, heating system and cooling system are arranged at sample rotation
The top of rotating disk, corresponds respectively in sample rotating disk different fixed stations arrangements, control system controlled motor, heating system and
Cooling system is operated.
According to above-mentioned technical proposal, heating system includes plane load coil and power supply, plane load coil
It is connected with power supply, with respect in sample rotating disk, one of fixed station is set plane load coil.
According to above-mentioned technical proposal, heating system also includes infrared radiation thermometer, and infrared radiation thermometer, which is arranged at plane sense, to be added
Sample below the side of heat coil, alignment surface load coil on fixed station carries out thermometric.
According to above-mentioned technical proposal, cooling system includes cooling fan, and cooling fan is with respect in sample rotating disk wherein one
Individual fixed station is set.
According to above-mentioned technical proposal, cooling system also includes aqueous cooling solution sprayer unit, aqueous cooling solution sprayer unit
Including aqueous cooling solution nozzle, aqueous cooling solution nozzle is arranged at the fixation below the side of cooling fan, alignment cooling fan
Station is set.
According to above-mentioned technical proposal, described test device also includes ambiance application system, and ambiance applies system
System includes gas nozzle and gas cylinder, and gas nozzle is connected with gas cylinder, and gas nozzle is arranged at heating system side, alignment heating system
Sample on the fixed station in system lower section.
According to above-mentioned technical proposal, control system is included provided with PLC and control circuit in switch board, switch board, and PLC passes through
Control circuit is connected with motor, heating system and cooling system respectively.
According to above-mentioned technical proposal, transmission system includes multiple bevel gears, and motor belt motor dynamic bevel gear is rotated in good time, accurate control
The rotational angle of motor processed, makes sample rotating disk uniform rotation to required position, it is ensured that the sample of clamping rotates should to plane sense
Heated below heating coil.
According to above-mentioned technical proposal, sample anchorage clip is equipped with each fixed station in sample rotating disk, sample is tight
Gu pressing from both sides fixing to clamp for sample, the fixed station is provided with neck, the profile of neck and the outline of sample anchorage clip
Unanimously, sample anchorage clip is caught in neck.
According to above-mentioned technical proposal, the upper end of sample anchorage clip is provided with groove, and the side of groove is provided with tapped through hole, sample
It is put into groove, screw screws in tapped through hole, and sample is held out against in groove.
The utility model has the advantages that：
Heating environment and cooling are carried out to sample different in sample rotating disk by heating system and cooling system simultaneously
Environmental simulation, motor drives sample rotating disk to rotate, and makes sample simple and quick and is switched in heating system and cooling system,
The temperature change for the circulation that colds and heat succeed each other is simulated, to study its influence to material thermal fatigue property in heating and cooling, especially
It is the hot fatigue performance test evaluation that multiple material sample can be achieved in same batch experiment is tested and preferred, present apparatus knot
Structure is simple, reliable, easy to operate, and testing efficiency is improved, experimentation cost reduction, is substantially shorter material thermal fatigue test week
Phase.
Brief description of the drawings
Fig. 1 is the structural representation of novel multi-station material hot fatigue performance test device in the utility model embodiment；
Fig. 2 is the front view of sample rotating disk in the utility model embodiment；
Fig. 3 is Fig. 2 left view；
Fig. 4 is the structural representation of sample anchorage clip in the utility model embodiment；
In figure, 1- servomotors, 2- control systems, 3- high frequency electric sources, 4- infrared radiation thermometers, 5- planar induction coils, 6-
Gas nozzle, 7- cooling fans, 8- aqueous cooling solution nozzles, 9- samples, 10- sample anchorage clips, 11- sample rotating disks, 12- cones
Gear.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
Shown in 1~Fig. 4 of reference picture, novel multi-station material thermal fatigue property in a kind of embodiment that the utility model is provided
Test device, including sample rotating disk 11, transmission system, motor, heating system, cooling system and control system 2, motor passes through
Transmission system drives sample rotating disk 11 to rotate, and multiple fixed stations, sample when sample 9 is tested are provided with sample rotating disk 11
9 are positioned on fixed station, and heating system and cooling system are arranged at the top of sample rotating disk 11, correspond respectively to sample rotation
Different fixed stations are set on rotating disk 11, and the controlled motor of control system 2, heating system and cooling system operating, control system 2 are controlled
The corner of each motor is made, to realize the accurate switching of heated partses, sets motor number of revolutions to realize by control system 2
Control in a cycle experiment to the heat fatigue cycle-index of material sample 9；By heating system and cooling system simultaneously to examination
Different samples 9 carries out heating environment and cooler environment simulation in sample rotating disk 11, and motor drives sample rotating disk 11 to rotate, made
The simple and quick temperature change for being switched in heating system and cooling system, simulating the circulation that colds and heat succeed each other of sample 9, is adding
To study its influence to material thermal fatigue property in heat and cooling, especially in same batch experiment is tested, it can be achieved a variety of
The hot fatigue performance test of material sample is evaluated and preferably, the present apparatus is simple in construction, reliable, easy to operate, testing efficiency
Improve, experimentation cost reduction is substantially shorter the material thermal fatigue test cycle.
Further, sample rotating disk 11 is horizontally disposed with, and heating system and cooling system are arranged in sample rotating disk 11
Side.
Further, motor is servomotor 1.
Further, heating system and cooling system are arranged at the top two ends of sample rotating disk 11.
Further, heating system includes plane load coil and power supply (power supply is high-frequency electrical in specific embodiment
Source 3), plane load coil is connected with power supply, and power supply is that plane load coil is powered, plane load coil phase
One of fixed station in sample rotating disk 11 is set；Plane load coil keeps suitable with sample rotating disk 11
Distance, makes heating effect reach most preferably.
Further, heating system also includes infrared radiation thermometer 4, and infrared radiation thermometer 4 is Non-contacting Infrared Thermometer 4,
Infrared radiation thermometer 4 is arranged at below the side of plane load coil, alignment surface load coil and installed in regular worker
Sample 9 on position carries out thermometric.
Further, cooling system includes cooling fan 7, cooling fan 7 with respect in sample rotating disk 11 one of them consolidate
Determine station setting.
Further, cooling system also includes aqueous cooling solution sprayer unit, and aqueous cooling solution sprayer unit includes cooling
Water-soluble nozzle for liquid 8, aqueous cooling solution nozzle 8 is arranged at the side of cooling fan 7, the fixation station of the lower section of alignment cooling fan 7
Set.
Further, described test device also includes ambiance application system, and ambiance application system includes gas
Body nozzle 6 and gas cylinder, gas nozzle 6 are connected with gas cylinder, and gas nozzle 6 is arranged under heating system side, alignment heating system
Sample 9 on the fixed station in side；Spraying the species of gas can be selected according to the service condition of the material of sample 9, in heating system
System simulates various ambiances when being heated to sample 9, surrounding medium is introduced in heating and cooling tired to material heat to study it
The influence of labor performance.
Further, control system 2 is included provided with PLC and control circuit in switch board, switch board, and PLC is by controlling electricity
Road is connected with motor, heating system and cooling system respectively；By the accurate controlled motor rotational angles of PLC and number of revolutions, together
When PLC control heating system and cooling system operating.
Further, it is additionally provided with switch board on counter and temperature control instrument, the panel of switch board and lays timer, note
Instrument, heating key, cooling key, temperature detect switch (TDS), gas nozzle valve switch and automatic control switch are recorded, heating key connects with heating system
Connect, cooling key be connected with cooling system, temperature detect switch (TDS) is connected with temperature control instrument respectively, PLC by control circuit respectively with counting
Device, timer, automatic control switch and recorder connection.
Further, transmission system includes multiple bevel gears 12, and motor belt motor dynamic bevel gear 12 is rotated in good time, accurate control electricity
The rotational angle of machine, makes the uniform rotation of sample rotating disk 11 to required position, it is ensured that the sample 9 of clamping rotates to plane sense and should added
Heated below heat coil.
Further, sample anchorage clip 10, sample anchorage clip are equipped with each fixed station in sample rotating disk 11
10 are used for fixing to clamp for sample 9, and the fixed station is provided with neck, the profile of neck and the outline of sample anchorage clip 10
Unanimously, sample anchorage clip 10 is caught in neck.
Further, the upper end of sample anchorage clip 10 is provided with groove, and the side of groove is provided with tapped through hole, and sample 9 is put into
In groove, screw screws in tapped through hole, and sample 9 is held out against in groove.
In one embodiment of the present utility model, the course of work of the present utility model：
As shown in figure 1, the utility model provides a kind of hot fatigue performance test device of multistation material sample 9, including machine
Frame, servomotor 1, sample rotating disk 11, heating system, cooling system, ambiance application system, transmission system and control system
System 2.
Transmission system includes multiple bevel gears 12, and sample rotating disk 11 is provided with sample anchorage clip 10, the conduct of servomotor 1
The power source of whole experiment process, is fixed in the frame of experimental rig by screw, and heating system should including plane sense
Coil 5 and high frequency electric source 3, cooling system include cooling fan 7 and aqueous cooling solution nozzle 8.
Sample anchorage clip 10 is used for clamping sample 9, carries out before thermal fatigue test, and sample 9 first is arranged on into sample anchorage clip
On 10, blending bolt fastening sample 9 realizes the installation and fastening of sample 9, between adjustment planar induction coil 5 and workpiece
Highly, the effect of sensing heating is made to reach most preferably.
Thermal fatigue test apparatus of the present utility model can be used in some forming processes such as hot forging, hot rolling, compression casting
The experiment of the thermal fatigue property of used construction material is evaluated with test.
Using infrared measurement of temperature method, compared with contact temperature-measuring method, with the response time is fast, noncontact, safety is used
And service life it is long the advantages of, while be avoided that in contact temperature-measuring method, because sample 9 alternately heats cooling, it is necessary to weight
The inconvenience that new adjustment thermocouple is brought with workpiece contact position.
Cost and convenient operation are taken into full account, so being controlled using counter, timer, servomotor 1 and PLC, is passed through
The corner of each motor is accurately controlled, to realize the accurate switching of heating sample 9；One is realized by setting motor number of revolutions
To the control of the heat fatigue cycle-index of material sample 9 in individual periodic test.
Embodiment 1
During hot forging process, heat fatigue is one of most common failure mode of hot-work die, is to cause hot-work die
The principal element that service life declines.At present, mainly by improving mold use in the surface overlaying coating of die face
Life-span.
In experiment, from H13 steel as matrix material, clad material carries out built-up welding from Co-based alloy powder, prepares 6 pieces
Sample 9, and enter line label A1, A2, A3, A4, A5, A6 to sample 9 respectively, cycle-index is set to 500 times, and heating-up temperature is set as
800 DEG C, it is heated to every time after 800 DEG C, is incubated 2min；Fan is air-cooled to add aqueous cooling solution misting cooling, time 2min.Cooling side
Formula：Fan is air-cooled to add aqueous cooling solution misting cooling.
Specific test procedure is as follows：
1. installing Sample A 1, A2, A3, A4, A5, A6, blending bolt fastening, the clamping for completing sample 9 is installed；
2. starting heating key, A1 samples are rotated by below planar induction coil 5 beginning to warm up in motor, work as temperature
When rising to 800 DEG C, into holding stage, soaking time 2min is set, with timer, soaking time is recorded；
After 3.A1 sample heating and thermal insulations terminate, sample rotating disk 11 rotates 60 ° of corners, and next A2 samples are begun to warm up,
A1 samples rotational displacement is to the position of cooling fan 7, and fan is air-cooled to add aqueous cooling solution misting cooling；
4. start automatic control switch, setting cycle-index 500 times, testing machine will rotate automatically, until being finally completed institute
There is the thermal cycling test of 6 samples 9, greatly alleviate the repeated workload of experimenter, eliminate the influence of human factor, improve
The precision of material thermal fatigue property experimental test and the degree of accuracy.
Embodiment 2
In hot rolled process, high temperature rolled piece and cooling medium produce violent thermal shock, long-term circulation to roller surface
Go down, roller surface is produced by Thermal Fatigue Damage to be cracked and peel off.
In experiment, experiment material selects high-chromium cast iron alloy, 700 DEG C of heating-up temperature, soaking time 30s, the type of cooling：Wind
Fanning wind cooling adds aqueous cooling solution misting cooling 2min.
Specific experimental procedure is with reference to embodiment 1.
Only preferred embodiment of the present utility model above, can not limit the power of the utility model with this certainly
Sharp scope, therefore the equivalence changes made according to present utility model application the scope of the claims, still belong to protection domain of the present utility model.
Claims (10)
1. a kind of novel multi-station material hot fatigue performance test device, it is characterised in that including sample rotating disk, power train
System, motor, heating system, cooling system and control system, motor drive sample rotating disk to rotate by transmission system, sample rotation
Multiple fixed stations are provided with rotating disk, sample is positioned on fixed station during sample testing, heating system and cooling system are set
The top of sample rotating disk is placed in, different fixed stations in sample rotating disk is corresponded respectively to and arranges, control system controlled motor,
Heating system and cooling system operating.
2. novel multi-station material hot fatigue performance test device according to claim 1, it is characterised in that heating system
Including plane load coil and power supply, plane load coil is connected with power supply, and plane load coil is relative to be tried
One of fixed station is set in sample rotating disk.
3. novel multi-station material hot fatigue performance test device according to claim 2, it is characterised in that heating system
Also include infrared radiation thermometer, infrared radiation thermometer is arranged at the side of plane load coil, alignment surface load coil
The sample that lower section is fixed on station carries out thermometric.
4. novel multi-station material hot fatigue performance test device according to claim 1, it is characterised in that cooling system
Including cooling fan, with respect in sample rotating disk, one of fixed station is set cooling fan.
5. novel multi-station material hot fatigue performance test device according to claim 4, it is characterised in that cooling system
Also include aqueous cooling solution sprayer unit, aqueous cooling solution sprayer unit includes aqueous cooling solution nozzle, aqueous cooling solution nozzle
The fixation station below the side of cooling fan, alignment cooling fan is arranged to set.
6. novel multi-station material hot fatigue performance test device according to claim 1, it is characterised in that described survey
Trial assembly, which is put, also includes ambiance application system, and ambiance application system includes gas nozzle and gas cylinder, gas nozzle and gas
Bottle connection, gas nozzle is arranged at the sample on fixed station below heating system side, alignment heating system.
7. novel multi-station material hot fatigue performance test device according to claim 1, it is characterised in that control system
Including switch board, provided with PLC and control circuit in switch board, PLC by control circuit respectively with motor, heating system and cooling
System is connected.
8. novel multi-station material hot fatigue performance test device according to claim 1, it is characterised in that transmission system
Including multiple bevel gears, motor belt motor dynamic bevel gear is rotated in good time, and the rotational angle of accurate controlled motor makes sample rotating disk uniform
Turn to required position, it is ensured that the sample of clamping, which is rotated to plane load coil, to be heated.
9. novel multi-station material hot fatigue performance test device according to claim 1, it is characterised in that sample rotates
Sample anchorage clip is equipped with each fixed station on disk, sample anchorage clip is used for fixing to clamp for sample, the regular worker
Position is provided with neck, and the profile of neck is consistent with the outline of sample anchorage clip, and sample anchorage clip is caught in neck.
10. novel multi-station material hot fatigue performance test device according to claim 9, it is characterised in that sample is tight
Admittedly the upper end pressed from both sides is provided with groove, the side of groove is provided with tapped through hole, and sample is put into groove, and screw screws in tapped through hole, will
Sample is held out against in groove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620870928X | 2016-08-12 | ||
| CN201620870928 | 2016-08-12 |
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| Publication Number | Publication Date |
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| CN206557135U true CN206557135U (en) | 2017-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621314055.0U Expired - Fee Related CN206557135U (en) | 2016-08-12 | 2016-12-02 | A kind of novel multi-station material hot fatigue performance test device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362601A (en) * | 2018-02-06 | 2018-08-03 | 山东理工大学 | It is a kind of machinery force environment under thermal fatigue test device |
| CN110849760A (en) * | 2019-11-19 | 2020-02-28 | 河池学院 | Method for testing performance of high-aluminum-SiC refractory material |
| CN111060227A (en) * | 2019-11-27 | 2020-04-24 | 成都航大新材料有限公司 | In-situ stress detection and repair integrated system |
| CN113125290A (en) * | 2021-03-29 | 2021-07-16 | 四川大学 | Thermal fatigue testing machine and testing method |
| CN113252725A (en) * | 2021-06-25 | 2021-08-13 | 胡丽萍 | Be used for new forms of energy spare part heat conductivity detection device |
| CN113567226A (en) * | 2021-07-23 | 2021-10-29 | 河南省特种设备安全检测研究院 | Copper alloy plane stress fracture testing device for elevator safety tongs |
| CN117451768A (en) * | 2023-11-13 | 2024-01-26 | 湖北迈诺电路科技有限公司 | Circuit board tolerance test equipment and method |
-
2016
- 2016-12-02 CN CN201621314055.0U patent/CN206557135U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362601A (en) * | 2018-02-06 | 2018-08-03 | 山东理工大学 | It is a kind of machinery force environment under thermal fatigue test device |
| CN110849760A (en) * | 2019-11-19 | 2020-02-28 | 河池学院 | Method for testing performance of high-aluminum-SiC refractory material |
| CN111060227A (en) * | 2019-11-27 | 2020-04-24 | 成都航大新材料有限公司 | In-situ stress detection and repair integrated system |
| CN111060227B (en) * | 2019-11-27 | 2021-01-29 | 成都航大新材料有限公司 | In-situ stress detection and repair integrated system |
| CN113125290A (en) * | 2021-03-29 | 2021-07-16 | 四川大学 | Thermal fatigue testing machine and testing method |
| CN113252725A (en) * | 2021-06-25 | 2021-08-13 | 胡丽萍 | Be used for new forms of energy spare part heat conductivity detection device |
| CN113252725B (en) * | 2021-06-25 | 2022-03-29 | 胡丽萍 | Be used for new forms of energy spare part heat conductivity detection device |
| CN113567226A (en) * | 2021-07-23 | 2021-10-29 | 河南省特种设备安全检测研究院 | Copper alloy plane stress fracture testing device for elevator safety tongs |
| CN113567226B (en) * | 2021-07-23 | 2023-08-08 | 河南省特种设备安全检测研究院 | Copper alloy plane stress fracture testing device for elevator safety tongs |
| CN117451768A (en) * | 2023-11-13 | 2024-01-26 | 湖北迈诺电路科技有限公司 | Circuit board tolerance test equipment and method |
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