CN109855850A - A kind of Piston Thermal Fatigue Test platform of rotary lifting-type - Google Patents
A kind of Piston Thermal Fatigue Test platform of rotary lifting-type Download PDFInfo
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- CN109855850A CN109855850A CN201811576333.3A CN201811576333A CN109855850A CN 109855850 A CN109855850 A CN 109855850A CN 201811576333 A CN201811576333 A CN 201811576333A CN 109855850 A CN109855850 A CN 109855850A
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- 238000009661 fatigue test Methods 0.000 title claims abstract description 13
- 238000012360 testing method Methods 0.000 claims abstract description 184
- 238000001816 cooling Methods 0.000 claims abstract description 123
- 230000005855 radiation Effects 0.000 claims abstract description 88
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000000779 smoke Substances 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims description 29
- 238000012544 monitoring process Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 4
- 235000019504 cigarettes Nutrition 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 208000025599 Heat Stress disease Diseases 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000004093 laser heating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004861 thermometry Methods 0.000 description 1
Abstract
The present invention relates to a kind of Piston Thermal Fatigue Test platforms of rotary lifting-type, belong to piston field.The present invention includes testing stand bracket, laser I, laser II, laser head I, laser head II, infrared radiation thermometer I, infrared radiation thermometer II, infrared radiation thermometer III, infrared radiation thermometer IV, infrared radiation thermometer V, infrared radiation thermometer VI, CCD camera lens I, CCD camera lens II, CCD camera lens III, CCD camera lens IV, CCD camera lens V, CCD camera lens VI, fixture I, fixture II, fixture III, fixture IV, test specimen I, test specimen II, test specimen III, test specimen IV, straight-bar I, straight-bar II, straight-bar III, straight-bar IV, petticoat pipe I, petticoat pipe II, smoke exhaust pipe I, smoke exhaust pipe II, exhaust fan I, exhaust fan II, test specimen platform, position sensor I, position sensor II, straight line cylinder, linear guide, sliding block, rotating device, oil cooling device I, oil cooling device II, water cooling plant I, water cooling plant II, air-cooling apparatus I, air-cooling apparatus II, controller, operation of the present invention is light, work efficiency is high.
Description
Technical field
The present invention relates to a kind of Piston Thermal Fatigue Test platforms of rotary lifting-type, applied to the examination of piston heat intensity
Test platform belongs to piston field.
Background technique
It is well known that piston is one of kernel component of engine.Its one side carries high temperature and pressure and acutely becomes
The combustion gas of change, working environment are very severe；On the other hand it plays and combustion gas function is converted into mechanical work and passes to the important of crankshaft
Effect, therefore the work quality of piston is directly related to the overall performance of engine, functional reliability is engine life
One of major influence factors.With the progress of engine overall technology level in recent years, piston is also stronger towards structure, quality more
Light and longer life expectancy direction is developed.Although more and more researchers are dedicated to the design of piston geometry, material
Improvement and manufacturing process raising, piston failure but still frequently occur.The basic reason of piston failure is mechanical load, heat
Load and the effect of other combined factors as a result, and Under Thermal Fatigue Damage the main reason for being Remedy for Piston Damage.It lives to reach to improve
The purpose for filling in functional reliability, in the theoretical basis of research piston heat load problem, it should the piston heat fatigue service life be unfolded
Experimental evaluation.
Summary of the invention
The technical problem to be solved by the present invention is it is flat to provide a kind of test applied to the examination of piston heat-shock intensity
Platform, operation is light, practical, work efficiency is high, test accuracy is high.
The technical scheme is that: a kind of Piston Thermal Fatigue Test platform of rotary lifting-type, comprising: test specimen heating system
System, test specimen cooling system, rotation and lifting testing stand, Monitoring and control system, exhausting cooling device；Wherein:
The test specimen heating system includes laser I5, laser II22, laser head I8, laser head II19, laser
I5, laser II22 are embedded in 1 outside wall surface of testing stand bracket and connect with peripheral control unit, laser head I8, laser head
II19 is embedded on 1 upper end inner wall of testing stand bracket；
The test specimen cooling system includes being embedded on 1 inner wall of testing stand bracket and connecting with peripheral control unit
Oil cooling device I34, oil cooling device II47, water cooling plant I37, water cooling plant II44, air-cooling apparatus I38, air-cooling apparatus II43,
Oil cooling device I34, oil cooling device II47 are located at the lower part of test specimen, water cooling plant I37, water cooling plant II44 be hollow structure and
It is fixed at a quarter height of specimen of test specimen top surface, air-cooling apparatus I38, air-cooling apparatus II43 are located at the top of test specimen；
The rotation and lifting testing stand includes rotating device 33, linear guide 31, sliding block 32, straight line cylinder 28, test specimen
Platform 26, fixture I3, fixture II24, fixture III 35, fixture IV 46, straight-bar I2, straight-bar II25, straight-bar III 48, straight-bar IV 49,
Test specimen platform 26 is at interval of 90 ° of installs fixture I3, fixture II24, fixture III 35, fixture IV 46,26 upper fixture I3 of test specimen platform,
Fixture II24, fixture III 35, fixture IV 46 rear end be separately installed with straight-bar I2, straight-bar II25, straight-bar IV 49, straight-bar III 48,
Fixture I3, fixture II24, fixture III 35, fixture IV 46 clamp test specimen I4, test specimen II23, test specimen III 36, test specimen IV 45 respectively, examination
The centre for testing 1 lower support plate of platform bracket is equipped with fixed device 30, and linear guide 31 is mounted on fixed 30 top of device and wears
26 middle part of test specimen platform is crossed, 26 lower end middle of test specimen platform is fixed with rotating device 33, and 33 lower part of rotating device is fixed with cunning
Block 32, rotating device 33, sliding block 32 cover in linear guide 31, and straight line cylinder 28 is connect with sliding block 32, and rotating device 33 is every
It is secondary to be rotated by 90 ° that two test specimens for making in the same horizontal line are located at laser head I8, the lower end laser head II19 is heated, Ling Yishui
Two test specimens on horizontal line are cooling in colling end, and straight line cylinder 28, rotating device 33 are connect with peripheral control unit；
The Monitoring and control system includes infrared radiation thermometer I6, infrared radiation thermometer II9, infrared radiation thermometer III 18, red
Outer temperature measurer IV 21, infrared radiation thermometer V 39, infrared radiation thermometer VI 42, CCD camera lens I7, CCD camera lens II10, CCD camera lens III 17,
CCD camera lens IV 20, CCD camera lens V 40, CCD camera lens VI 41, position sensor I27, position sensor II29 connect with controller
It connects, infrared radiation thermometer I6, infrared radiation thermometer IV 21, CCD camera lens I7, CCD camera lens IV 20 are embedded in 1 inner wall of testing stand bracket
Upper and CCD camera lens I7, CCD camera lens IV 20 is located at infrared radiation thermometer I6, IV 21 top of infrared radiation thermometer, in test specimen platform 26
Infrared radiation thermometer II9, CCD camera lens II10, CCD camera lens II10 are installed on straight-bar I2 and are located at the top infrared radiation thermometer II9, straight-bar
CCD camera lens III 17, infrared radiation thermometer III 18 are installed, CCD camera lens III 17 is located at III 18 top of infrared radiation thermometer, straight-bar III on II25
CCD camera lens VI 41, infrared radiation thermometer VI 42 are installed, CCD camera lens VI 41 is located at VI 42 top of infrared radiation thermometer, straight-bar IV on 48
Infrared radiation thermometer V 39, CCD camera lens V 40 are installed, CCD camera lens V 40 is located at V 39 top of infrared radiation thermometer, and straight line is led on 49
The top and middle part of rail 31 are separately installed with position sensor I27 and position sensor II29；
The exhausting cooling device includes petticoat pipe I11, petticoat pipe II16, smoke exhaust pipe I12, smoke exhaust pipe II15, exhaust fan
I13, exhaust fan II14,1 top left side of testing stand bracket are equipped with petticoat pipe I11, petticoat pipe I11 connection smoke exhaust pipe I12, smoke exhaust pipe I12
Head meet an exhaust fan I13,1 top right side of testing stand bracket has petticoat pipe II16, petticoat pipe II16 connection smoke exhaust pipe II15, row
The head of smoke pipe meets an exhaust fan II14, and exhaust fan I13, exhaust fan II14 are connect with controller.
Preferably, the infrared radiation thermometer I6 of the Monitoring and control system, infrared radiation thermometer II9, infrared radiation thermometer III 18,
Infrared radiation thermometer IV 21 measures temperature of the test specimen in heating station at the top of workpiece, infrared radiation thermometer V 39, infrared radiation thermometer VI
42 measurement test specimens in cooling station at the top of temperature, when six temperature measurer measured temperatures reach setting value, rotating device
33 drive test specimen platforms 26 are rotated by 90 ° counterclockwise, and then straight line cylinder 28 is slided with movable slider 32, and first sliding is allowed to preceding place down
The test specimen shift-in heating station that cooling station is in the test specimen removal of heating station, then before up sliding is allowed to is heated.
Preferably, CCD camera lens I7, CCD camera lens II10, CCD camera lens III 17, the CCD camera lens of the Monitoring and control system
IV 20, CCD camera lens V 40, CCD camera lens VI 41 are used for the top image of real-time monitoring test specimen test specimen in heating and cooling station,
If detecting, test specimen line splits germinating, and controller can termination test.
Preferably, the laser head I8, laser head II19 of the test specimen heating system are fixed on testing stand by bolt and nut
On the inner wall of bracket 1.
Preferably, the sliding block 32 in the rotation and lifting testing stand, rotating device 33, test specimen platform 26 are covered and are led in straight line
Rail 31 can simultaneously be slided along about 31 linear guide.
Preferably, the sliding block 32 of the rotation and lifting testing stand with rotating device 33 is connect by bolt and nut.
Preferably, the water cooling plant I37, water cooling plant II44 are hollow circular ring shape, and test specimen passes through water from the bottom up
Device for cooling I37, water cooling plant II44.
The beneficial effects of the present invention are: the operation of this experiment porch is light, practical, work efficiency is high, test accuracy is high, in work
Four pistons can be tested simultaneously when filling in the research of heat fatigue simulation test；Work can be completed using a rotation and a direct acting
The exchange of position, keeps structure more compact；Using contactless thermometry, shorten test time, short form test
Preparatory process；Data are acquired using CCD camera lens, piston crack initiation situation can be monitored in real time, so that results precision is high；
Laser heating is carried out to test specimen with laser head, highly shortened the time required for piston heats.
Detailed description of the invention
Fig. 1 is fire end schematic diagram of the present invention.
Fig. 2 is colling end schematic diagram of the present invention.
Fig. 3 is this test specimen platform top view.
Each label in figure are as follows: testing stand bracket -1, straight-bar I-2, fixture I-3, test specimen I-4, laser I-5, infrared measurement of temperature
Instrument I-6, CCD camera lens I-7, it laser head I-8, infrared radiation thermometer II-9, CCD camera lens II-10, petticoat pipe I-11, smoke exhaust pipe I-12, takes out
Blower I-13, exhaust fan II-14, smoke exhaust pipe II-15, petticoat pipe II-16, CCD camera lens III -17, infrared radiation thermometer III -18, laser
Head II-19, CCD camera lens IV -20, infrared radiation thermometer IV -21, laser II-22, test specimen II-23, fixture II-24, straight-bar II-
25, test specimen platform -26, position sensor I-27, straight line cylinder -28, position sensor II-29, fixed device -30, straight line are led
Rail -31, sliding block -32, rotating device -33, oil cooling device I-34, fixture III -35, test specimen III -36, water cooling plant I-37, air cooling
Device I-38, infrared radiation thermometer V -39, CCD camera lens V -40, CCD camera lens VI -41, infrared radiation thermometer VI -42, air-cooling apparatus
II-43, water cooling plant II-44, test specimen IV -45, fixture IV -46, oil cooling device II-47, straight-bar III -48, straight-bar IV -49, control
Device processed.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the present invention is further illustrated.
Embodiment 1: as shown in Figure 1-3, a kind of Piston Thermal Fatigue Test platform of rotary lifting-type, including testing stand bracket
1, straight-bar I2, fixture I3, test specimen I4, laser I5, infrared radiation thermometer I6, CCD camera lens I7, laser head I8, infrared radiation thermometer
II9, CCD camera lens II10, petticoat pipe I11, smoke exhaust pipe I12, exhaust fan I13, exhaust fan II14, smoke exhaust pipe II15, petticoat pipe II16,
CCD camera lens III 17, infrared radiation thermometer III 18, laser head II19, CCD camera lens IV 20, infrared radiation thermometer IV 21, laser II22,
Test specimen II23, fixture II24, straight-bar II25, test specimen platform 26, position sensor I27, straight line cylinder 28, position sensor
II29, fixed device 30, linear guide 31, sliding block 32, rotating device 33, oil cooling device I34, fixture III 35, test specimen III 36, water
Device for cooling I37, air-cooling apparatus I38, infrared radiation thermometer V 39, CCD camera lens V 40, CCD camera lens VI 41, infrared radiation thermometer VI 42,
Air-cooling apparatus II43, water cooling plant II44, test specimen IV 45, fixture IV 46, oil cooling device II47, straight-bar III 48, straight-bar IV 49；
Laser I5, laser II22, infrared radiation thermometer I6, CCD camera lens are inlaid on 1 wall surface of testing stand bracket
I7, CCD camera lens IV 20, infrared radiation thermometer IV 21, laser head I8, laser head II19, oil cooling device I34, water cooling plant I37, gas
Device for cooling I38, air-cooling apparatus II43, water cooling plant II44, oil cooling device II47, CCD camera lens I7, CCD camera lens IV 20 are located at red
Outer temperature measurer I6, IV 21 top of infrared radiation thermometer, laser head I8, laser head II19 are located on CCD camera lens I7, CCD camera lens IV 20
Portion, air-cooling apparatus I38, air-cooling apparatus II43 are located at test specimen III 36, IV 45 top of test specimen, water cooling plant I37, water cooling plant
II44 is hollow structure and is fixed at a quarter height of specimen of test specimen top surface, oil cooling device I34, oil cooling device
II47 is located at the lower part of test specimen III 36, test specimen IV 45, and test specimen platform 26 is at interval of 90 ° of installs fixture I3, fixture II24, fixture III
35, fixture IV 46 clamps test specimen I4, test specimen II23, test specimen III 36, test specimen IV 45 respectively, pacifies on the straight-bar I2 of test specimen platform 26
Dress infrared radiation thermometer II9, CCD camera lens II10, CCD camera lens II10 is located at the top infrared radiation thermometer II9, installs on straight-bar II25
CCD camera lens III 17, infrared radiation thermometer III 18, CCD camera lens III 17 are located at III 18 top of infrared radiation thermometer, install on straight-bar III 48
CCD camera lens VI 41, infrared radiation thermometer VI 42, CCD camera lens VI 41 are located at VI 42 top of infrared radiation thermometer, install on straight-bar IV 49
Infrared radiation thermometer V 39, CCD camera lens V 40, CCD camera lens V 40 are located at V 39 top of infrared radiation thermometer, 26 lower end of test specimen platform dress
There are rotating device 33, rotating device 33 to be rotated by 90 ° two test specimens such as the test specimen I4, test specimen II23 made in the same horizontal line every time
It is heated positioned at laser head I8, the lower end laser head II19, two on another horizontal line test specimen III 36, test specimen IV 45 are in cooling
End cooling, sliding block 32 are mounted in linear guide 31 and connect with straight line cylinder 28, the top of linear guide 31 and middle part difference
Installation site sensor I27 and position sensor II29, linear guide 31 are mounted on fixed device 30, and bench-top is left
There are petticoat pipe I11, petticoat pipe I11 connection smoke exhaust pipe I12 in side, and the head of smoke exhaust pipe I12 meets an exhaust fan I13, and bench-top is right
There is petticoat pipe II16 in side, and petticoat pipe II16 connection smoke exhaust pipe II15, the head of smoke exhaust pipe II15 connects an exhaust fan II14, laser
I5, infrared radiation thermometer I6, CCD camera lens I7, infrared radiation thermometer II9, CCD camera lens II10, exhaust fan I13, exhaust fan II14, CCD
Camera lens III 17, infrared radiation thermometer III 18, CCD camera lens IV 20, infrared radiation thermometer IV 21, laser II22, position sensor I27,
It is straight line cylinder 28, position sensor II29, rotating device 33, oil cooling device I34, water cooling plant I37, air-cooling apparatus I38, infrared
Temperature measurer V 39, CCD camera lens V 40, CCD camera lens VI 41, infrared radiation thermometer VI 42, air-cooling apparatus II43, water cooling plant II44,
Oil cooling device II47 is connect with controller.
The data that six temperature measurers and four CCD camera lenses measure are transmitted to controller, controller control laser I5,
Exhaust fan I13, exhaust fan II14, laser II22, straight line cylinder 28, rotating device 33, oil cooling device I34, water cooling plant
I37, air-cooling apparatus I38, air-cooling apparatus II43, water cooling plant II44, oil cooling device II47.When sliding block 32 and position sensor
After I27 and position sensor II29 contact, information is directly transmitted to controller by position sensor I27 and position sensor II29.
The petticoat pipe I11, smoke exhaust pipe I12, exhaust fan I13, exhaust fan II14, smoke exhaust pipe II15, petticoat pipe II16 can be with
Extract the hot-air inside testing stand, it is ensured that test platform has normal working environment.
The straight line cylinder 28 can be moved up and down with movable slider 32 in linear guide 31, when touching position sensor
I27 and position sensor II29 stop motion, achieve the effect that workpiece is moveable into and out heating and cooling station.
Further, infrared radiation thermometer I6, infrared radiation thermometer II9, infrared radiation thermometer III 18, infrared radiation thermometer IV 21 measure
Temperature of the test specimen in heating station at the top of workpiece, infrared radiation thermometer V 39, infrared radiation thermometer VI 42 measure test specimen in bosher
Temperature at the top of when position, when six temperature measurer measured temperatures reach setting value, rotating device 33 drives test specimen platform 26 inverse
Hour hands are rotated by 90 °, and then straight line cylinder 28 is slided with movable slider 32, and the test specimen of heating station is in front of first sliding is allowed to down
Remove, then up sliding be allowed to before in cooling station test specimen shift-in heating station heated.
Further, CCD camera lens I7, CCD camera lens II10, CCD camera lens III 17, CCD camera lens IV 20, CCD camera lens V 40,
Top image of the CCD camera lens VI 41 for real-time monitoring test specimen test specimen in heating and cooling station, if detecting, test specimen line is split
Germinating, controller then can termination test.
Further, laser head I8, laser head II19 are fixed on the inner wall of testing stand bracket 1 by bolt and nut,
It is easy for installation.
Further, the sliding block 32 in the rotation and lifting testing stand, rotating device 33, test specimen platform 26 are covered straight
Line guide rail 31 can simultaneously be slided along about 31 linear guide.
Further, sliding block 32 with rotating device 33 is connect by bolt and nut.
Further, the water cooling plant I37, water cooling plant II44 are hollow circular ring shape, and test specimen passes through from the bottom up
In the middle part of water cooling plant I37, water cooling plant II44.
The course of work of the invention are as follows: test platform can test four test specimens simultaneously, and two are heated in heating station,
Another two is cooled in cooling station simultaneously.It is first that test specimen I4, test specimen II23, test specimen III 36, test specimen IV 45 is solid respectively before test
Fixture I3, fixture II24 are scheduled on, on fixture III 35, fixture IV 46.
Circulation starts for the first time, and controller control straight line cylinder 28 pushes sliding block 32 to move upwards, and stops to position sensor I27
Only, at this point, test specimen I4, test specimen II23 are in heating station, controller controls laser I5, laser II22 work, when infrared
Temperature measurer I6, infrared radiation thermometer II9 and infrared radiation thermometer III 18, infrared radiation thermometer IV 21 measure the temperature of test specimen I4, test specimen II23
When degree reaches setting value, controller controls laser I5, laser II22 break-off, and rotating device 33 drives test specimen platform
26 are rotated by 90 ° counterclockwise, and then straight line cylinder 28 is with 32 slide downward of movable slider, so that test specimen I4, test specimen II23 remove heating
Station, the stop motion when moving at position sensor II29, controller receive the signal of position sensor II29, straight line
Cylinder 28 is with 32 upward sliding of movable slider, at this point, test specimen III 36, test specimen IV 45 are moved into heating station, test specimen I4, test specimen II23 are moved
Into cooling station, cold and hot station exchange is completed, and circulation terminates for the first time.
Second of circulation starts, and controller control laser I5, laser II22, which rework, heats test specimen III 36, examination
Part IV 45, oil cooling device I34, water cooling plant I37, air-cooling apparatus I38 carry out oily cold, water cooling, air cooling, air-cooling apparatus to test specimen I4
II43, water cooling plant II44, oil cooling device II47 carry out oily cold, water cooling, air cooling to test specimen II23, and test specimen I4, test specimen II23 reach
When being required to cooling, oil cooling device I34, water cooling plant I37, air-cooling apparatus I38, air-cooling apparatus II43, water cooling plant II44, oil
Device for cooling II47 stops cooling, and when test specimen III 36, test specimen IV 45 reach the heating requirements of setting, controller controls laser
I5, laser II22 break-off, heating requirements meet simultaneously with cooling requirement, and rotating device 33 drives 26 inverse time of test specimen platform
Needle is rotated by 90 °, and then straight line cylinder 28 is with 32 slide downward of movable slider, sliding block 32 drive rotating device 33, test specimen platform 26 to
Lower movement, so that test specimen III 36, test specimen IV 45 removal heating station, the stop motion when moving at position sensor II29,
Controller receives the signal of position sensor II29, and straight line cylinder 28 drives rotation with 32 upward sliding of movable slider, sliding block 32
Device 33, test specimen platform 26 move upwards, at this point, test specimen I4, test specimen II23 are moved into heating station, test specimen III 36, test specimen IV 45
It is moved into cooling station, test specimen is made to exchange heating station and cooling station again.Second of circulation terminates.
It is constantly recycled with this, CCD camera lens I7, CCD camera lens II10, CCD camera lens III 17, CCD camera lens IV 20, CCD camera lens V
40, CCD camera lens VI 41 is used for the top image of real-time monitoring test specimen test specimen in heating and cooling station, if detecting test specimen line
Split germinating, off-test.
Embodiment described above 1 is only that preferred embodiments of the present invention will be described, not practical to this
Conception and scope of protection are defined, without departing from the inventive concept of the premise, ordinary engineering and technical personnel pair in this field
The all variations and modifications that technical solution of the present invention is made, should all be within protection scope of the present invention.
Claims (7)
1. a kind of Piston Thermal Fatigue Test platform of rotary lifting-type, it is characterised in that: including test specimen heating system, test specimen is cooling
System, rotation and lifting testing stand, Monitoring and control system, exhausting cooling device；
The test specimen heating system includes laser I (5), laser II (22), laser head I (8), laser head II (19), is swashed
Light device I (5), laser II (22) are embedded in testing stand bracket (1) outside wall surface and connect with peripheral control unit, laser head I
(8), laser head II (19) is embedded on the inner wall of testing stand bracket (1) upper end；
The test specimen cooling system includes being embedded in the oil connecting on testing stand bracket (1) inner wall and with peripheral control unit
Device for cooling I (34), oil cooling device II (47), water cooling plant I (37), water cooling plant II (44), air-cooling apparatus I (38), air cooling dress
It sets II (43), oil cooling device I (34), oil cooling device II (47) are located at the lower part of test specimen, water cooling plant I (37), water cooling plant II
(44) it is hollow structure and is fixed at a quarter height of specimen of test specimen top surface, air-cooling apparatus I (38), air-cooling apparatus II
(43) it is located at the top of test specimen；
The rotation and lifting testing stand include rotating device (33), linear guide (31), sliding block (32), straight line cylinder (28),
It is test specimen platform (26), fixture I (3), fixture II (24), fixture III (35), fixture IV (46), straight-bar I (2), straight-bar II (25), straight
Bar III (48), straight-bar IV (49), test specimen platform (26) at interval of 90 ° of installs fixture I (3), fixture II (24), fixture III (35),
Fixture IV (46), test specimen platform (26) upper fixture I (3), fixture II (24), the rear end difference of fixture III (35), fixture IV (46)
Straight-bar I (2), straight-bar II (25), straight-bar IV (49), straight-bar III (48), fixture I (3), fixture II (24), fixture III are installed
(35), fixture IV (46) clamps test specimen I (4), test specimen II (23), test specimen III (36), test specimen IV (45), testing stand bracket respectively
(1) centre of lower support plate is equipped with fixed device (30), and linear guide (31) is mounted on fixed device (30) top and wears
It crosses in the middle part of test specimen platform (26), test specimen platform (26) lower end middle is fixed with rotating device (33), rotating device (33) lower part
It is fixed with sliding block (32), rotating device (33), sliding block (32) cover on linear guide (31), straight line cylinder (28) and sliding block
(32) it connects, rotating device (33) is rotated by 90 ° every time makes two test specimens in the same horizontal line be located at laser head I (8), laser
Head II (19) lower end is heated, and two on another horizontal line test specimen is cooling in colling end, straight line cylinder (28), rotating device
(33) it is connect with peripheral control unit；
The Monitoring and control system include the infrared radiation thermometer I (6) being connect with peripheral control unit, infrared radiation thermometer II (9),
Infrared radiation thermometer III (18), infrared radiation thermometer IV (21), infrared radiation thermometer V (39), infrared radiation thermometer VI (42), CCD camera lens I
(7), CCD camera lens II (10), CCD camera lens III (17), CCD camera lens IV (20), CCD camera lens V (40), CCD camera lens VI (41), position
Set sensor I (27), position sensor II (29), infrared radiation thermometer I (6), infrared radiation thermometer IV (21), CCD camera lens I (7),
CCD camera lens IV (20) is embedded on testing stand bracket (1) inner wall and CCD camera lens I (7), CCD camera lens IV (20) be located at it is red
Outer temperature measurer I (6), infrared radiation thermometer IV (21) top install infrared radiation thermometer II on the straight-bar I (2) of test specimen platform (26)
(9), (10) CCD camera lens II, CCD camera lens II (10) are located at infrared radiation thermometer II (9) top, install CCD mirror on straight-bar II (25)
First III (17), infrared radiation thermometer III (18), CCD camera lens III (17) are located at infrared radiation thermometer III (18) top, on straight-bar III (48)
CCD camera lens VI (41), infrared radiation thermometer VI (42) are installed, CCD camera lens VI (41) is located at infrared radiation thermometer VI (42) top, straight-bar
Infrared radiation thermometer V (39), CCD camera lens V (40) are installed, CCD camera lens V (40) is located at infrared radiation thermometer V (39) on IV (49)
Top, the top and middle part of linear guide (31) are separately installed with position sensor I (27) and position sensor II (29)；
The exhausting cooling device includes petticoat pipe I (11), petticoat pipe II (16), smoke exhaust pipe I (12), smoke exhaust pipe II (15), exhausting
Machine I (13), exhaust fan II (14), testing stand bracket (1) top left side are equipped with petticoat pipe I (11), petticoat pipe I (11) connection smoke exhaust pipe I
(12), the head of smoke exhaust pipe I (12) connects an exhaust fan I (13), and testing stand bracket (1) top right side has petticoat pipe II (16), cigarette
II (16) connection smoke exhaust pipe II (15) is covered, the head of smoke exhaust pipe II (15) connects an exhaust fan II (14), exhaust fan I (13), takes out
Blower II (14) is connect with peripheral control unit.
2. a kind of Piston Thermal Fatigue Test platform of rotary lifting-type according to claim 1, it is characterised in that: the prison
Survey infrared radiation thermometer I (6), infrared radiation thermometer II (9), the infrared radiation thermometer III (18), infrared radiation thermometer IV with control system
(21) temperature of the measurement test specimen in heating station at the top of workpiece, infrared radiation thermometer V (39), infrared radiation thermometer VI (42) measurement
Test specimen in cooling station at the top of temperature, when six temperature measurer measured temperatures reach setting value, rotating device (33) band
Dynamic test specimen platform (26) are rotated by 90 ° counterclockwise, and then straight line cylinder (28) band movable slider (32) slides, before first sliding is allowed to down
Test specimen shift-in heating station before test specimen in heating station removes, then up sliding is allowed in cooling station is added
Heat.
3. a kind of Piston Thermal Fatigue Test platform of rotary lifting-type according to claim 1, it is characterised in that: the prison
Survey CCD camera lens I (7), CCD camera lens II (10), CCD camera lens III (17), the CCD camera lens IV (20), CCD camera lens V with control system
(40), top image of the CCD camera lens VI (41) for real-time monitoring test specimen test specimen in heating and cooling station, if detecting examination
Part line splits germinating, and controller then can termination test.
4. a kind of Piston Thermal Fatigue Test platform of rotary lifting-type according to claim 1, it is characterised in that: the examination
Laser head I (8), the laser head II (19) of part heating system are fixed on the inner wall of testing stand bracket (1) upper end by bolt and nut
On face.
5. a kind of Piston Thermal Fatigue Test platform of rotary lifting-type according to claim 1, it is characterised in that: the rotation
Turn the sliding block (32) in lifting testing stand, rotating device (33), test specimen platform (26) to cover in linear guide (31) and can be along straight
Line guide rail (31) slides up and down.
6. a kind of Piston Thermal Fatigue Test platform of rotary lifting-type according to claim 1, it is characterised in that: the rotation
The sliding block (32) and rotating device (33) for turning lifting testing stand are connect by bolt and nut.
7. a kind of Piston Thermal Fatigue Test platform of rotary lifting-type according to claim 1, it is characterised in that: the water
Device for cooling I (37), water cooling plant II (44) are hollow circular ring shape, and test specimen passes through water cooling plant I (37), water cooling dress from the bottom up
Set II (44).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811576333.3A CN109855850A (en) | 2018-12-22 | 2018-12-22 | A kind of Piston Thermal Fatigue Test platform of rotary lifting-type |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811576333.3A CN109855850A (en) | 2018-12-22 | 2018-12-22 | A kind of Piston Thermal Fatigue Test platform of rotary lifting-type |
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| CN109855850A true CN109855850A (en) | 2019-06-07 |
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| JP2003035644A (en) * | 2001-07-23 | 2003-02-07 | Toyota Central Res & Dev Lab Inc | Method and equipment for thermal fatigue test |
| FR2972052A1 (en) * | 2011-02-25 | 2012-08-31 | Peugeot Citroen Automobiles Sa | Piston's thermal fatigue testing device for thermal engine in motor vehicle, has optical pyrometer that measures maximum temperature in part of piston, and optical measurement unit that indicates structural damage of piston |
| CN103792076A (en) * | 2014-01-17 | 2014-05-14 | 昆明理工大学 | Simulator test bed for thermal shock and thermal fatigue of parts affected by heat |
| CN106353088A (en) * | 2016-11-08 | 2017-01-25 | 广西玉柴机器股份有限公司 | Engine thermostat cold and hot shock test platform |
| CN107884165A (en) * | 2017-09-26 | 2018-04-06 | 昆明理工大学 | A kind of convertible thermal shock and the test platform of heat fatigue |
| CN107941516A (en) * | 2017-12-28 | 2018-04-20 | 中船动力研究院有限公司 | Laser heats Piston Thermal Fatigue Test system and test method |
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2018
- 2018-12-22 CN CN201811576333.3A patent/CN109855850A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003035644A (en) * | 2001-07-23 | 2003-02-07 | Toyota Central Res & Dev Lab Inc | Method and equipment for thermal fatigue test |
| FR2972052A1 (en) * | 2011-02-25 | 2012-08-31 | Peugeot Citroen Automobiles Sa | Piston's thermal fatigue testing device for thermal engine in motor vehicle, has optical pyrometer that measures maximum temperature in part of piston, and optical measurement unit that indicates structural damage of piston |
| CN103792076A (en) * | 2014-01-17 | 2014-05-14 | 昆明理工大学 | Simulator test bed for thermal shock and thermal fatigue of parts affected by heat |
| CN106353088A (en) * | 2016-11-08 | 2017-01-25 | 广西玉柴机器股份有限公司 | Engine thermostat cold and hot shock test platform |
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Application publication date: 20190607 |