CN203745188U - Test bench for simulating heat shock and heat fatigue of heated component - Google Patents
Test bench for simulating heat shock and heat fatigue of heated component Download PDFInfo
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- CN203745188U CN203745188U CN201420028826.4U CN201420028826U CN203745188U CN 203745188 U CN203745188 U CN 203745188U CN 201420028826 U CN201420028826 U CN 201420028826U CN 203745188 U CN203745188 U CN 203745188U
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- 230000035939 shock Effects 0.000 title claims abstract description 24
- 208000025599 Heat Stress disease Diseases 0.000 title claims abstract description 22
- 238000012360 testing method Methods 0.000 title abstract description 93
- 238000009413 insulation Methods 0.000 claims abstract description 67
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 238000001816 cooling Methods 0.000 claims abstract description 31
- 239000000498 cooling water Substances 0.000 claims description 76
- 239000007789 gas Substances 0.000 claims description 45
- 241000239290 Araneae Species 0.000 claims description 22
- 230000008878 coupling Effects 0.000 claims description 22
- 238000010168 coupling process Methods 0.000 claims description 22
- 238000005859 coupling reaction Methods 0.000 claims description 22
- 238000005096 rolling process Methods 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 125000004122 cyclic group Chemical group 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 12
- 239000000567 combustion gas Substances 0.000 claims description 11
- 230000003068 static effect Effects 0.000 claims description 7
- 239000000306 component Substances 0.000 description 19
- 238000011160 research Methods 0.000 description 13
- 238000004088 simulation Methods 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
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Abstract
The utility model relates to a test bench for simulating heat shock and heat fatigue of a heated component, and belongs to the technical field of test equipment. The test bench comprises a mechanical platform, a heating system, a cooling system, a temperature detecting device, a control system and a safety alarm device, wherein the mechanical platform comprises two groups of clamping devices, a heat insulation flange III, a mounted bearing, a main shaft, a main shaft oscillating cylinder, a main shaft oscillating cylinder bracket, a support and a bearing support, and the two groups of clamping devices are identical in structure and symmetrically installed in a mode of taking the main shaft as a symmetric axis. The test bench provided by the utility model can test two samples simultaneously with one of the samples being heated and the other being cooled, is simple, practical and high in efficiency, can check and study the heat impact strength and the heat fatigue strength of the samples conveniently and efficiently, and can save the cost, shorten the development period and the improve the accuracy of the study.
Description
Technical field
The utility model relates to the simulator stand of a kind of heated component thermal shock and heat fatigue, belongs to testing equipment technical field.
Background technology
Along with diesel engine supercharging technology, the popularization and application of the technology such as many valve systems, diesel engine strengthening degree improves constantly, mean effective pressure in cylinder, rotating speed, combustion gas maximum temperature etc. all constantly increases, piston, cylinder cap, gas outlet, turbine, the heated components such as cylinder sleeve are bearing higher thermal stress, and when these heated components do not do corresponding technological improvement or improve improper, as unreasonable in structural design, cooling power is not enough, material hot strength deficiency etc., these heated components cannot meet request for utilization, cause piston, cylinder cap, gas outlet, turbine, the heated component fire damage faults such as cylinder sleeve become increasingly conspicuous, permanance and the reliability of engine in serious threat, restricting the operation reliably and with long-term of high strengthening internal combustion engine.
At present the thermal shock of heated component (fatigue) research is mainly contained to three kinds of modes: the one, carry out finite element simulation research, the one, directly carry out overall test research, the one, carry out simulation test research.
The accuracy of finite element simulation research depends critically upon the accuracy of boundary condition, and boundary condition needs to obtain by testing, in addition finite element simulation research can not accurate response heat fatigue, the mechanism of production of thermal shock.
Overall test research is by heated component installation, under actual condition, turns round, until fatigue crack appears in test specimen heated component, the test period is long, costly, can not meet actual requirement.
Simulation test research accuracy is high, and the test period is short, and cost is low, can not have under the condition of overall test, the thermal shock of heated component (fatigue) intensity is examined, and be a kind of effective method.
In five sixties of last century, many typical heat fatigues and thermal shock simulator stand have just been developed abroad, such as the high-frequency induction test specimen thermal fatigue test stand of German Mahle Internat GmbH research and development, with the heat fatigue simulator stand of the flame heating test specimen of gas-fired etc., but to after the eighties, rarely have relevant data, report to occur abroad; Domestic research aspect simulator stand is started late, and research institution is less, only has several the research universitys such as Zhejiang University, Beijing Institute of Technology, Inst. of Mechanics, CAS and research institution to carry out Related Work.
Summary of the invention
The technical problems to be solved in the utility model is: a kind of test platform that is applied to the examination of internal combustion engine, cylinder cap, gas outlet, turbine, cylinder sleeve and other mechanical heated component thermal shock and thermal fatigue strength is provided, and simple in structure, practical, work efficiency is high, cost is low.
Technical solutions of the utility model are: the simulator stand of a kind of heated component thermal shock and heat fatigue, comprises mechanical platform, heating system, cooling system, temperature-detecting device, control system, safety alarm device, described mechanical platform comprises two stack clamping devices, heat insulation flange III 13, rolling bearing units 14, main shaft 15, spindle swing cylinder 16, spindle swing air cylinder support 17, bearing 18, bearing spider 19, two stack clamping device structures are identical installs about main shaft 15 is symmetrical, and a stack clamping device comprises the ball bearing I 1 of usheing to seat, left axle 2, heat insulation flange I 3, clamp system I 4, heat insulation flange II 5, right axle 6, the ball bearing II 7 of usheing to seat, shaft coupling 8, workbench 9, cylinder supports 10, oscillating cylinder 11, the described ball bearing I 1 of usheing to seat is interference fit with left axle 2, left axle 2 is bolted with heat insulation flange I 3, heat insulation flange I 3, clamp system I 4 is housed between heat insulation flange II 5, heat insulation flange II 5 is bolted with right axle 6, right axle 6 is connected with shaft coupling 8 through the ball bearing II 7 of usheing to seat, shaft coupling 8 is connected with cylinder supports 10, the ball bearing I 1 of usheing to seat, the ball bearing II 7 of usheing to seat and cylinder supports 10 are all fixed and are connected with workbench 9 by bolt, oscillating cylinder 11 is fixed by screws in cylinder supports 10, below workbench 9, be provided with heat insulation flange III 13, main shaft 15 is an axis, one end of main shaft 15 links together through hole and the heat insulation flange III 13 of bearing 18, main shaft 15 is transition fit with rolling bearing units 14, the other end of main shaft 15 is connected with spindle swing cylinder 16, above spindle swing cylinder 16, be provided with spindle swing air cylinder support 17, spindle swing air cylinder support 17 is fixed together with bearing 18, spindle swing cylinder 16 is fixed on spindle swing air cylinder support 17, bearing spider 19 is fixed on bearing 18, rolling bearing units 14 are fixed on bearing spider 19, described heating system comprises ignition burner 20, gas pipeline 21, cooling system comprises cooling water pipeline 22, cooling water nozzle 23, air nozzle 24, air duct 25, ignition burner 20 be positioned at clamp system I 4 under, ignition burner 20 is connected with gas pipeline 21, cooling water nozzle 23 be positioned at clamp system II 12 under, cooling water nozzle 23 is connected with cooling water pipeline 22, air nozzle 24 is positioned at directly over clamp system II 12, air nozzle 24 is connected with air duct 25, and ignition burner 20 is arranged symmetrically with and maintains static about main shaft 15 with cooling water nozzle 23, and control system is connected with temperature-detecting device, safety alarm device respectively.
Described clamp system I 4, clamp system II 12 include fixture housing 26, trip bolt 27, on fixture housing 26, are processed with threaded hole, and trip bolt 27 is connected with fixture housing 26 by threaded hole.
Cooling water pipeline 22 in described cooling system is provided with T-valve, and cooling water pipeline 22 one end are connected with cooling water nozzle 23, and the other end of cooling water pipeline 22 is connected with cyclic water tank, and cooling water pipeline 22 is provided with thermometer, flowmeter, tensimeter.
On gas pipeline 21 in described heating system, gas pressure gage, main gas valve are installed.
Described temperature-detecting device comprises thermopair, thermal module.
Described control system comprises slave computer, host computer and communication module, and slave computer core component is PLC or industrial computer, and host computer is pc machine, and host computer is connected by communication module with slave computer, and host computer is connected with display with printer.
Described safety alarm device comprises hummer, pilot lamp.
The side of described clamp system I 4 is provided with flame monitoring equipment, and flame monitoring equipment comprises camera, and camera is arranged on mechanical platform, and flame monitoring equipment is connected with control system.
Described workbench 9 is provided with combustion gas detecting device, and combustion gas detecting device is connected with the slave computer in control system.
Element described in the utility model is commercially available common components.
Described cooling system chilled water is stored in cyclic water tank, and chilled water enters the cooling test specimen of cooling water nozzle 23 by T-valve, finally returns to cyclic water tank, realize cooling water circulation and use, or chilled water directly returns to again cyclic water tank by T-valve.
On described heating system gas pipeline, gas pressure gage is installed, in order to detect the consumption of combustion gas, main gas valve is also installed simultaneously, all by signal wire, be connected with control system, detection gaseous-pressure signal is passed to control system, and when abnormal failure or off-test appear in simulator stand, control system is cut off main gas valve.
Described system for detecting temperature comprises thermopair, thermal module etc., thermopair is installed on respectively the top surface of two test specimens, by signal wire, be connected with thermal module, thermal module is installed on the slave computer of control system, the temperature signal of detection is passed to control system, thereby as a kind of control signal of control system, thermal module adopts the FX2N-4AD-TC such as Mitsubishi, this thermal module is the special thermal module for K type or J type thermopair.
Described control system provides that temperature is controlled, the time is controlled and mixes and control three kinds of control models, and temp-controled mode test is exactly the work of the temperature signal on test specimen surface as controlled condition Control experiment platform of only usining in test; Time control model is exactly to using in test the test specimen maximum heating time and the work of maximum cool time as controlled condition Control experiment platform arranging; Mixing control model is exactly in test advanced trip temperature control model test, obtains suitable test specimen maximum heating time and maximum cool time, then carries out time control model test as control signal.
Described security alerting system comprises for detection of gas leakage, gaseous-pressure is inadequate, test specimen is overheated, the test specimen heat time is long, test specimen is excessively cold, test specimen cool time is long, spindle swing cylinder rotational time is overtime, oscillating cylinder overtime alarm detecting unit flip-flop transition.Gas leakage detects and signal is transferred to control system by being installed on indoor combustion gas detecting device, and when gas leakage amount reaches certain value, prompting is reported to the police; Gaseous-pressure by install with fuel gas pipeline on tensimeter detect, and signal is transferred to control system, when gaseous-pressure during lower than certain value prompting report to the police; The test specimen temperature detecting when thermopair higher than in host computer, arrange test specimen maximum temperature time, show that test specimen is overheated, prompting is reported to the police; When the test specimen heat time that control system detects, surpass the maximum heating that arranges during the time, the surperficial test specimen heat time is long, and prompting is reported to the police; The test specimen temperature detecting when thermopair lower than in host computer, arrange test specimen minimum temperature time, show that test specimen is excessively cold, prompting is reported to the police; When the test specimen detecting when control system surpasses the maximum cool time arranging cool time, surperficial test specimen is long cool time, and prompting is reported to the police; Control system is by detecting the magnetic switch signal on spindle swing cylinder and oscillating cylinder, draw spindle swing cylinder rotational time and oscillating cylinder flip-flop transition, when the spindle swing cylinder rotational time drawing and oscillating cylinder exceed the maximum rotational time of setting or flip-flop transition flip-flop transition, prompting is reported to the police.Slave computer connects each alarm detecting unit by signal wire, connects main gas valve and power supply total control switch simultaneously.If when above abnormal, fault appears in simulator stand, control system alarm, cuts off main gas valve, power supply etc. automatically, stops all actions of simulator stand, and show abnormal, fault category on upper pc machine, provides possible reason.
Described simulator stand is provided with flame monitoring equipment, flame monitoring equipment comprises that shooting is first-class, camera is installed on mechanical platform, camera interval shooting flame picture is transferred to control system, control system reads the gray-scale value of flame picture, thereby monitoring flame intensity, in control system, reading of gradation of image value adopts existing image processing apparatus.
Principle of work of the present utility model is: before test, first the test specimen in clamp system I 4 is connected with oscillating cylinder 11, be installed on test specimen in the clamp system I 4 on ignition burner 20 bottom-up, top down, be installed on test specimen bottom in the clamp system II 12 on cooling water nozzle 23 down, top upward.During test, first the cycle index of simulator stand is set in host computer, the minimum chilling temperature of the maximum heating temperature of test specimen or maximum heating time, test specimen or maximum cool time; During on-test, the first self check of control system resets, if without abnormal or fault, open main gas valve and supply with combustion gas, and cooling system starts working, and air nozzle 24 is worked always, cooling test specimen top, T-valve and the pipeline connection that is connected cyclic water tank; Light combustion gas, simulator stand starts to heat the test specimen in clamp system I 4, and the thermopair that is installed on the test specimen surface in clamp system I 4 detects test specimen temperature always and is transferred to control system.When detecting test specimen temperature in clamp system I 4, thermopair reaches maximum heating temperature or maximum heating during the time, control system is sent signal, spindle swing cylinder 16 is rotated in the forward certain angle, drive workbench 9 rotations, and then drive test specimen and the test specimen in clamp system II 12 in clamp system I 4 to rotate, simultaneously, oscillating cylinder 11 forwards flip an angle, drive the test specimen upset in clamp system I 4, on another stack clamping device, oscillating cylinder also flips an angle, and drives the test specimen upset in clamp system II 12.Now, two test specimens exchange the cooling station of heating mutually, and switch is also distinguished in the top of the test specimen in the test specimen in clamp system I 4 and clamp system II 12 and bottom.The rotational time that is less than spindle swing cylinder 16 flip-flop transition due to the oscillating cylinder in oscillating cylinder 11 and another stack clamping device, therefore, after spindle swing cylinder 16 is rotated in place, control system is sent signal, T-valve is connected with the cooling water pipeline 22 that is connected cooling water nozzle 23, the test specimen bottom of spraying water in cooling clamp system I 4, now the test specimen top in gas heating clamp system II 12.Because heat time of test specimen is greater than cool time, therefore, when the temperature that detects the test specimen in clamp system I 4 when thermopair reaches the minimum chilling temperature of setting or maximum cool time, control system is sent signal, T-valve is connected with the pipeline that is connected cyclic water tank, chilled water directly returns to cyclic water tank, stop the test specimen in cooling clamp system I 4, test specimen cycle index in clamp system I 4 adds 1, the temperature that detects the test specimen in clamp system II 12 when thermopair reaches the maximum heating temperature of setting or maximum heating during the time, control system is sent signal, spindle swing cylinder 16 retrograde rotation certain angles, test specimen in test specimen in clamp system I 4 and clamp system II 12 exchanges station again, reverse the flipping an angle of oscillating cylinder in while oscillating cylinder 11 and another stack clamping device, top and the bottom of the test specimen in the test specimen in clamp system I 4 and clamp system II 12 exchange again.After spindle swing cylinder 16 is rotated in place, control system is sent signal, and T-valve is connected with the cooling water pipeline 22 that is connected cooling water nozzle 23, the test specimen bottom of spraying water in cooling clamp system II 12, now the test specimen top in gas heating clamp system I 4.When the temperature that detects the test specimen in clamp system II 12 when thermopair reaches the minimum chilling temperature of setting or maximum cool time, control system is sent signal, T-valve is connected with the pipeline that is connected cyclic water tank, chilled water directly returns to cyclic water tank, stop the test specimen in cooling clamp system II 12, test specimen cycle index in clamp system II 12 adds 1, the temperature that detects the test specimen in clamp system I 4 when thermopair reaches the maximum heating temperature of setting or maximum heating during the time, control system is sent signal, spindle swing cylinder 16 is rotated in the forward certain angle, test specimen in test specimen in clamp system I 4 and clamp system II 12 exchanges station again, oscillating cylinder forward in oscillating cylinder 11 and another stack clamping device flips an angle simultaneously, top and the bottom of the test specimen in the test specimen in clamp system I 4 and clamp system II 12 exchange again, with this, constantly circulate, until reach the cycle index of setting.Finally, take off test specimen, detect test specimen surface and whether occur macroscopic view or microfissure, if without macroscopic view or microfissure, show that test specimen is qualified.
The beneficial effects of the utility model are: this experiment table is simple, practical, efficiency is high, can easily and efficiently the thermal shock thermal fatigue strength of test specimen be examined, be studied, do not have under the condition of overall test, not only can save testing expenses, shorten R&D cycle of related components, can also improve the accuracy of research.
Accompanying drawing explanation
Fig. 1 is the utility model simulator stand schematic diagram;
Fig. 2 is the utility model simulator stand mechanical platform axle geodesic structure schematic diagram;
Fig. 3 is that the utility model simulator stand mechanical platform is faced structural representation;
Fig. 4 is the utility model simulator stand clamp system structural representation;
Fig. 5 is the utility model simulator stand cooling system schematic diagram;
Fig. 6 is the utility model simulation test bench control system functional block diagram.
Each label: the 1-ball bearing I of usheing to seat in Fig. 1-6, the left axle of 2-, 3-heat insulation flange I, 4-clamp system I, 5-heat insulation flange II, the right axle of 6-, the 7-ball bearing II of usheing to seat, 8-shaft coupling, 9-workbench, 10-cylinder supports, 11-oscillating cylinder, 12-clamp system II, 13-heat insulation flange III, 14-rolling bearing units, 15-main shaft, 16-spindle swing cylinder, 17-spindle swing air cylinder support, 18-bearing, 19-bearing spider, 20-ignition burner, 21-gas pipeline, 22-cooling water pipeline, 23-cooling water nozzle, 24-air nozzle, 25-air duct, 26-fixture housing, 27-trip bolt.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1: as shown in Fig. 1-6, the simulator stand of a kind of heated component thermal shock and heat fatigue, comprises mechanical platform, heating system, cooling system, temperature-detecting device, control system, safety alarm device, described mechanical platform comprises two stack clamping devices, heat insulation flange III 13, rolling bearing units 14, main shaft 15, spindle swing cylinder 16, spindle swing air cylinder support 17, bearing 18, bearing spider 19, two stack clamping device structures are identical installs about main shaft 15 is symmetrical, and a stack clamping device comprises the ball bearing I 1 of usheing to seat, left axle 2, heat insulation flange I 3, clamp system I 4, heat insulation flange II 5, right axle 6, the ball bearing II 7 of usheing to seat, shaft coupling 8, workbench 9, cylinder supports 10, oscillating cylinder 11, the described ball bearing I 1 of usheing to seat is interference fit with left axle 2, left axle 2 is bolted with heat insulation flange I 3, heat insulation flange I 3, clamp system I 4 is housed between heat insulation flange II 5, heat insulation flange II 5 is bolted with right axle 6, right axle 6 is connected with shaft coupling 8 through the ball bearing II 7 of usheing to seat, shaft coupling 8 is connected with cylinder supports 10, the ball bearing I 1 of usheing to seat, the ball bearing II 7 of usheing to seat and cylinder supports 10 are all fixed and are connected with workbench 9 by bolt, oscillating cylinder 11 is fixed by screws in cylinder supports 10, below workbench 9, be provided with heat insulation flange III 13, main shaft 15 is an axis, one end of main shaft 15 links together through hole and the heat insulation flange III 13 of bearing 18, main shaft 15 is transition fit with rolling bearing units 14, the other end of main shaft 15 is connected with spindle swing cylinder 16, above spindle swing cylinder 16, be provided with spindle swing air cylinder support 17, spindle swing air cylinder support 17 is fixed together with bearing 18, spindle swing cylinder 16 is fixed on spindle swing air cylinder support 17, bearing spider 19 is fixed on bearing 18, rolling bearing units 14 are fixed on bearing spider 19, described heating system comprises ignition burner 20, gas pipeline 21, cooling system comprises cooling water pipeline 22, cooling water nozzle 23, air nozzle 24, air duct 25, ignition burner 20 be positioned at clamp system I 4 under, ignition burner 20 is connected with gas pipeline 21, cooling water nozzle 23 be positioned at clamp system II 12 under, cooling water nozzle 23 is connected with cooling water pipeline 22, air nozzle 24 is positioned at directly over clamp system II 12, air nozzle 24 is connected with air duct 25, and ignition burner 20 is arranged symmetrically with and maintains static about main shaft 15 with cooling water nozzle 23, and control system is connected with temperature-detecting device, safety alarm device respectively.
Embodiment 2: as shown in Fig. 1-6, the simulator stand of a kind of heated component thermal shock and heat fatigue, comprises mechanical platform, heating system, cooling system, temperature-detecting device, control system, safety alarm device, described mechanical platform comprises two stack clamping devices, heat insulation flange III 13, rolling bearing units 14, main shaft 15, spindle swing cylinder 16, spindle swing air cylinder support 17, bearing 18, bearing spider 19, two stack clamping device structures are identical installs about main shaft 15 is symmetrical, and a stack clamping device comprises the ball bearing I 1 of usheing to seat, left axle 2, heat insulation flange I 3, clamp system I 4, heat insulation flange II 5, right axle 6, the ball bearing II 7 of usheing to seat, shaft coupling 8, workbench 9, cylinder supports 10, oscillating cylinder 11, the described ball bearing I 1 of usheing to seat is interference fit with left axle 2, left axle 2 is bolted with heat insulation flange I 3, heat insulation flange I 3, clamp system I 4 is housed between heat insulation flange II 5, heat insulation flange II 5 is bolted with right axle 6, right axle 6 is connected with shaft coupling 8 through the ball bearing II 7 of usheing to seat, shaft coupling 8 is connected with cylinder supports 10, the ball bearing I 1 of usheing to seat, the ball bearing II 7 of usheing to seat and cylinder supports 10 are all fixed and are connected with workbench 9 by bolt, oscillating cylinder 11 is fixed by screws in cylinder supports 10, below workbench 9, be provided with heat insulation flange III 13, main shaft 15 is an axis, one end of main shaft 15 links together through hole and the heat insulation flange III 13 of bearing 18, main shaft 15 is transition fit with rolling bearing units 14, the other end of main shaft 15 is connected with spindle swing cylinder 16, above spindle swing cylinder 16, be provided with spindle swing air cylinder support 17, spindle swing air cylinder support 17 is fixed together with bearing 18, spindle swing cylinder 16 is fixed on spindle swing air cylinder support 17, bearing spider 19 is fixed on bearing 18, rolling bearing units 14 are fixed on bearing spider 19, described heating system comprises ignition burner 20, gas pipeline 21, cooling system comprises cooling water pipeline 22, cooling water nozzle 23, air nozzle 24, air duct 25, ignition burner 20 be positioned at clamp system I 4 under, ignition burner 20 is connected with gas pipeline 21, cooling water nozzle 23 be positioned at clamp system II 12 under, cooling water nozzle 23 is connected with cooling water pipeline 22, air nozzle 24 is positioned at directly over clamp system II 12, air nozzle 24 is connected with air duct 25, and ignition burner 20 is arranged symmetrically with and maintains static about main shaft 15 with cooling water nozzle 23, and control system is connected with temperature-detecting device, safety alarm device respectively.
Described clamp system I 4, clamp system II 12 include fixture housing 26, trip bolt 27, on fixture housing 26, are processed with threaded hole, and trip bolt 27 is connected with fixture housing 26 by threaded hole.
Embodiment 3: as shown in Fig. 1-6, the simulator stand of a kind of heated component thermal shock and heat fatigue, comprises mechanical platform, heating system, cooling system, temperature-detecting device, control system, safety alarm device, described mechanical platform comprises two stack clamping devices, heat insulation flange III 13, rolling bearing units 14, main shaft 15, spindle swing cylinder 16, spindle swing air cylinder support 17, bearing 18, bearing spider 19, two stack clamping device structures are identical installs about main shaft 15 is symmetrical, and a stack clamping device comprises the ball bearing I 1 of usheing to seat, left axle 2, heat insulation flange I 3, clamp system I 4, heat insulation flange II 5, right axle 6, the ball bearing II 7 of usheing to seat, shaft coupling 8, workbench 9, cylinder supports 10, oscillating cylinder 11, the described ball bearing I 1 of usheing to seat is interference fit with left axle 2, left axle 2 is bolted with heat insulation flange I 3, heat insulation flange I 3, clamp system I 4 is housed between heat insulation flange II 5, heat insulation flange II 5 is bolted with right axle 6, right axle 6 is connected with shaft coupling 8 through the ball bearing II 7 of usheing to seat, shaft coupling 8 is connected with cylinder supports 10, the ball bearing I 1 of usheing to seat, the ball bearing II 7 of usheing to seat and cylinder supports 10 are all fixed and are connected with workbench 9 by bolt, oscillating cylinder 11 is fixed by screws in cylinder supports 10, below workbench 9, be provided with heat insulation flange III 13, main shaft 15 is an axis, one end of main shaft 15 links together through hole and the heat insulation flange III 13 of bearing 18, main shaft 15 is transition fit with rolling bearing units 14, the other end of main shaft 15 is connected with spindle swing cylinder 16, above spindle swing cylinder 16, be provided with spindle swing air cylinder support 17, spindle swing air cylinder support 17 is fixed together with bearing 18, spindle swing cylinder 16 is fixed on spindle swing air cylinder support 17, bearing spider 19 is fixed on bearing 18, rolling bearing units 14 are fixed on bearing spider 19, described heating system comprises ignition burner 20, gas pipeline 21, cooling system comprises cooling water pipeline 22, cooling water nozzle 23, air nozzle 24, air duct 25, ignition burner 20 be positioned at clamp system I 4 under, ignition burner 20 is connected with gas pipeline 21, cooling water nozzle 23 be positioned at clamp system II 12 under, cooling water nozzle 23 is connected with cooling water pipeline 22, air nozzle 24 is positioned at directly over clamp system II 12, air nozzle 24 is connected with air duct 25, and ignition burner 20 is arranged symmetrically with and maintains static about main shaft 15 with cooling water nozzle 23, and control system is connected with temperature-detecting device, safety alarm device respectively.
Described clamp system I 4, clamp system II 12 include fixture housing 26, trip bolt 27, on fixture housing 26, are processed with threaded hole, and trip bolt 27 is connected with fixture housing 26 by threaded hole.
Cooling water pipeline 22 in described cooling system is provided with T-valve, and cooling water pipeline 22 one end are connected with cooling water nozzle 23, and the other end of cooling water pipeline 22 is connected with cyclic water tank, and cooling water pipeline 22 is provided with thermometer, flowmeter, tensimeter.
On gas pipeline 21 in described heating system, gas pressure gage, main gas valve are installed.
Embodiment 4: as shown in Fig. 1-6, the simulator stand of a kind of heated component thermal shock and heat fatigue, comprises mechanical platform, heating system, cooling system, temperature-detecting device, control system, safety alarm device, described mechanical platform comprises two stack clamping devices, heat insulation flange III 13, rolling bearing units 14, main shaft 15, spindle swing cylinder 16, spindle swing air cylinder support 17, bearing 18, bearing spider 19, two stack clamping device structures are identical installs about main shaft 15 is symmetrical, and a stack clamping device comprises the ball bearing I 1 of usheing to seat, left axle 2, heat insulation flange I 3, clamp system I 4, heat insulation flange II 5, right axle 6, the ball bearing II 7 of usheing to seat, shaft coupling 8, workbench 9, cylinder supports 10, oscillating cylinder 11, the described ball bearing I 1 of usheing to seat is interference fit with left axle 2, left axle 2 is bolted with heat insulation flange I 3, heat insulation flange I 3, clamp system I 4 is housed between heat insulation flange II 5, heat insulation flange II 5 is bolted with right axle 6, right axle 6 is connected with shaft coupling 8 through the ball bearing II 7 of usheing to seat, shaft coupling 8 is connected with cylinder supports 10, the ball bearing I 1 of usheing to seat, the ball bearing II 7 of usheing to seat and cylinder supports 10 are all fixed and are connected with workbench 9 by bolt, oscillating cylinder 11 is fixed by screws in cylinder supports 10, below workbench 9, be provided with heat insulation flange III 13, main shaft 15 is an axis, one end of main shaft 15 links together through hole and the heat insulation flange III 13 of bearing 18, main shaft 15 is transition fit with rolling bearing units 14, the other end of main shaft 15 is connected with spindle swing cylinder 16, above spindle swing cylinder 16, be provided with spindle swing air cylinder support 17, spindle swing air cylinder support 17 is fixed together with bearing 18, spindle swing cylinder 16 is fixed on spindle swing air cylinder support 17, bearing spider 19 is fixed on bearing 18, rolling bearing units 14 are fixed on bearing spider 19, described heating system comprises ignition burner 20, gas pipeline 21, cooling system comprises cooling water pipeline 22, cooling water nozzle 23, air nozzle 24, air duct 25, ignition burner 20 be positioned at clamp system I 4 under, ignition burner 20 is connected with gas pipeline 21, cooling water nozzle 23 be positioned at clamp system II 12 under, cooling water nozzle 23 is connected with cooling water pipeline 22, air nozzle 24 is positioned at directly over clamp system II 12, air nozzle 24 is connected with air duct 25, and ignition burner 20 is arranged symmetrically with and maintains static about main shaft 15 with cooling water nozzle 23, and control system is connected with temperature-detecting device, safety alarm device respectively.
Described clamp system I 4, clamp system II 12 include fixture housing 26, trip bolt 27, on fixture housing 26, are processed with threaded hole, and trip bolt 27 is connected with fixture housing 26 by threaded hole.
Cooling water pipeline 22 in described cooling system is provided with T-valve, and cooling water pipeline 22 one end are connected with cooling water nozzle 23, and the other end of cooling water pipeline 22 is connected with cyclic water tank, and cooling water pipeline 22 is provided with thermometer, flowmeter, tensimeter.
On gas pipeline 21 in described heating system, gas pressure gage, main gas valve are installed.
Described temperature-detecting device comprises thermopair, thermal module.
Described safety alarm device comprises hummer, pilot lamp.
Embodiment 5: as shown in Fig. 1-6, the simulator stand of a kind of heated component thermal shock and heat fatigue, comprises mechanical platform, heating system, cooling system, temperature-detecting device, control system, safety alarm device, described mechanical platform comprises two stack clamping devices, heat insulation flange III 13, rolling bearing units 14, main shaft 15, spindle swing cylinder 16, spindle swing air cylinder support 17, bearing 18, bearing spider 19, two stack clamping device structures are identical installs about main shaft 15 is symmetrical, and a stack clamping device comprises the ball bearing I 1 of usheing to seat, left axle 2, heat insulation flange I 3, clamp system I 4, heat insulation flange II 5, right axle 6, the ball bearing II 7 of usheing to seat, shaft coupling 8, workbench 9, cylinder supports 10, oscillating cylinder 11, the described ball bearing I 1 of usheing to seat is interference fit with left axle 2, left axle 2 is bolted with heat insulation flange I 3, heat insulation flange I 3, clamp system I 4 is housed between heat insulation flange II 5, heat insulation flange II 5 is bolted with right axle 6, right axle 6 is connected with shaft coupling 8 through the ball bearing II 7 of usheing to seat, shaft coupling 8 is connected with cylinder supports 10, the ball bearing I 1 of usheing to seat, the ball bearing II 7 of usheing to seat and cylinder supports 10 are all fixed and are connected with workbench 9 by bolt, oscillating cylinder 11 is fixed by screws in cylinder supports 10, below workbench 9, be provided with heat insulation flange III 13, main shaft 15 is an axis, one end of main shaft 15 links together through hole and the heat insulation flange III 13 of bearing 18, main shaft 15 is transition fit with rolling bearing units 14, the other end of main shaft 15 is connected with spindle swing cylinder 16, above spindle swing cylinder 16, be provided with spindle swing air cylinder support 17, spindle swing air cylinder support 17 is fixed together with bearing 18, spindle swing cylinder 16 is fixed on spindle swing air cylinder support 17, bearing spider 19 is fixed on bearing 18, rolling bearing units 14 are fixed on bearing spider 19, described heating system comprises ignition burner 20, gas pipeline 21, cooling system comprises cooling water pipeline 22, cooling water nozzle 23, air nozzle 24, air duct 25, ignition burner 20 be positioned at clamp system I 4 under, ignition burner 20 is connected with gas pipeline 21, cooling water nozzle 23 be positioned at clamp system II 12 under, cooling water nozzle 23 is connected with cooling water pipeline 22, air nozzle 24 is positioned at directly over clamp system II 12, air nozzle 24 is connected with air duct 25, and ignition burner 20 is arranged symmetrically with and maintains static about main shaft 15 with cooling water nozzle 23, and control system is connected with temperature-detecting device, safety alarm device respectively.
Described clamp system I 4, clamp system II 12 include fixture housing 26, trip bolt 27, on fixture housing 26, are processed with threaded hole, and trip bolt 27 is connected with fixture housing 26 by threaded hole.
Cooling water pipeline 22 in described cooling system is provided with T-valve, and cooling water pipeline 22 one end are connected with cooling water nozzle 23, and the other end of cooling water pipeline 22 is connected with cyclic water tank, and cooling water pipeline 22 is provided with thermometer, flowmeter, tensimeter.
On gas pipeline 21 in described heating system, gas pressure gage, main gas valve are installed.
Described temperature-detecting device comprises thermopair, thermal module.
Described safety alarm device comprises hummer, pilot lamp.
The side of described clamp system I 4 is provided with flame monitoring equipment, and flame monitoring equipment comprises camera, and camera is arranged on mechanical platform, and flame monitoring equipment is connected with control system.
Described workbench 9 is provided with combustion gas detecting device, and combustion gas detecting device is connected with the slave computer in control system.
By reference to the accompanying drawings specific embodiment of the utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from the utility model aim, make various variations.
Claims (8)
1. a simulator stand for heated component thermal shock and heat fatigue, is characterized in that: comprise mechanical platform, heating system, cooling system, temperature-detecting device, control system, safety alarm device, described mechanical platform comprises two stack clamping devices, heat insulation flange III (13), rolling bearing units (14), main shaft (15), spindle swing cylinder (16), spindle swing air cylinder support (17), bearing (18), bearing spider (19), two stack clamping device structures are identical installs about main shaft (15) is symmetrical, one stack clamping device comprises the ball bearing I (1) of usheing to seat, left axle (2), heat insulation flange I (3), clamp system I (4), heat insulation flange II (5), right axle (6), the ball bearing II of usheing to seat (7), shaft coupling (8), workbench (9), cylinder supports (10), oscillating cylinder (11), the described ball bearing I (1) of usheing to seat is interference fit with left axle (2), left axle (2) is bolted with heat insulation flange I (3), heat insulation flange I (3), clamp system I (4) is housed between heat insulation flange II (5), heat insulation flange II (5) is bolted with right axle (6), right axle (6) is connected with shaft coupling (8) through the ball bearing II (7) of usheing to seat, shaft coupling (8) is connected with cylinder supports (10), the ball bearing I of usheing to seat (1), the ball bearing II of usheing to seat (7) and cylinder supports (10) are all fixed and are connected with workbench (9) by bolt, oscillating cylinder (11) is fixed by screws in cylinder supports (10), below workbench (9), be provided with heat insulation flange III (13), main shaft (15) is an axis, one end of main shaft (15) links together through hole and the heat insulation flange III (13) of bearing (18), main shaft (15) is transition fit with rolling bearing units (14), the other end of main shaft (15) is connected with spindle swing cylinder (16), above spindle swing cylinder (16), be provided with spindle swing air cylinder support (17), spindle swing air cylinder support (17) is fixed together with bearing (18), spindle swing cylinder (16) is fixed on spindle swing air cylinder support (17), bearing spider (19) is fixed on bearing (18), rolling bearing units (14) are fixed on bearing spider (19), described heating system comprises ignition burner (20), gas pipeline (21), cooling system comprises cooling water pipeline (22), cooling water nozzle (23), air nozzle (24), air duct (25), ignition burner (20) be positioned at clamp system I (4) under, ignition burner (20) is connected with gas pipeline (21), cooling water nozzle (23) be positioned at clamp system II (12) under, cooling water nozzle (23) is connected with cooling water pipeline (22), air nozzle (24) is positioned at directly over clamp system II (12), air nozzle (24) is connected with air duct (25), ignition burner (20) is arranged symmetrically with and maintains static about main shaft (15) with cooling water nozzle (23), control system respectively with temperature-detecting device, safety alarm device is connected.
2. the simulator stand of heated component thermal shock according to claim 1 and heat fatigue, it is characterized in that: described clamp system I (4), clamp system II (12) include fixture housing (26), trip bolt (27), fixture housing is processed with threaded hole on (26), and trip bolt (27) is connected with fixture housing (26) by threaded hole.
3. the simulator stand of heated component thermal shock according to claim 1 and heat fatigue, it is characterized in that: the cooling water pipeline in described cooling system (22) is provided with T-valve, cooling water pipeline (22) one end is connected with cooling water nozzle (23), the other end of cooling water pipeline (22) is connected with cyclic water tank, and cooling water pipeline (22) is provided with thermometer, flowmeter, tensimeter.
4. the simulator stand of heated component thermal shock according to claim 1 and heat fatigue, is characterized in that: the gas pipeline in described heating system is provided with gas pressure gage, main gas valve on (21).
5. the simulator stand of heated component thermal shock according to claim 1 and heat fatigue, is characterized in that: described temperature-detecting device comprises thermopair, thermal module.
6. the simulator stand of heated component thermal shock according to claim 1 and heat fatigue, is characterized in that: described safety alarm device comprises hummer, pilot lamp.
7. the simulator stand of heated component thermal shock according to claim 1 and heat fatigue, it is characterized in that: the side of described clamp system I (4) is provided with flame monitoring equipment, flame monitoring equipment comprises camera, camera is arranged on mechanical platform, and flame monitoring equipment is connected with control system.
8. the simulator stand of heated component thermal shock according to claim 1 and heat fatigue, is characterized in that: described workbench (9) is provided with combustion gas detecting device, and combustion gas detecting device is connected with the slave computer in control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420028826.4U CN203745188U (en) | 2014-01-17 | 2014-01-17 | Test bench for simulating heat shock and heat fatigue of heated component |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420028826.4U CN203745188U (en) | 2014-01-17 | 2014-01-17 | Test bench for simulating heat shock and heat fatigue of heated component |
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| CN203745188U true CN203745188U (en) | 2014-07-30 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106525444A (en) * | 2016-09-27 | 2017-03-22 | 南京航空航天大学 | Jet-engine-gas-based apparatus and method for thermal shock and thermal fatigue testing |
| CN106769060A (en) * | 2016-12-08 | 2017-05-31 | 中国北方发动机研究所(天津) | A kind of rotatable thermal load test platform supporting mechanism |
| 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 |
| CN114720257A (en) * | 2022-03-18 | 2022-07-08 | 昆明理工大学 | Component material thermal fatigue test method based on reduced-scale sample |
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2014
- 2014-01-17 CN CN201420028826.4U patent/CN203745188U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103792076B (en) * | 2014-01-17 | 2016-05-25 | 昆明理工大学 | The simulator stand of a kind of heated component thermal shock and heat fatigue |
| CN106525444A (en) * | 2016-09-27 | 2017-03-22 | 南京航空航天大学 | Jet-engine-gas-based apparatus and method for thermal shock and thermal fatigue testing |
| CN106769060A (en) * | 2016-12-08 | 2017-05-31 | 中国北方发动机研究所(天津) | A kind of rotatable thermal load test platform supporting mechanism |
| 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 |
| CN114720257A (en) * | 2022-03-18 | 2022-07-08 | 昆明理工大学 | Component material thermal fatigue test method based on reduced-scale sample |
| CN114720257B (en) * | 2022-03-18 | 2023-07-21 | 昆明理工大学 | Component material thermal fatigue test method based on reduced scale sample |
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