CN102980825A - Multi-specimen testing machine applying to heat fatigue experiment - Google Patents
Multi-specimen testing machine applying to heat fatigue experiment Download PDFInfo
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- CN102980825A CN102980825A CN2012104798365A CN201210479836A CN102980825A CN 102980825 A CN102980825 A CN 102980825A CN 2012104798365 A CN2012104798365 A CN 2012104798365A CN 201210479836 A CN201210479836 A CN 201210479836A CN 102980825 A CN102980825 A CN 102980825A
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Abstract
The invention relates to a multi-specimen testing machine applying to a heat fatigue experiment. The multi-specimen testing machine comprises a heater, a water groove and specimen clamping devices, wherein the specimen clamping devices are arranged on a turnplate fixed in the water groove like a 'waterwheel' structure; the turnplate is connected with a stepping motor the rear part of which is connected with a voltage-stabilized source through a leather belt, and the frontage of the turnplate is opposite to the heater and a thermocouple sensor; and a hemicycle thermocouple arranged above the turnplate detects the temperature of the specimen, the thermocouple sensor can transfer the heating cooling times to a counter arranged above the heater, and an operation step of the multi-specimen testing machine is systematically controlled through a control system. Through the above manner, the invention provides the multi-specimen testing machine applying to the heat fatigue experiment, multi-heating- position design is adopted, and the multiple specimen clamping devices are arranged on the turnplate so as to clamp specimens; and high-frequency induction is utilized and multiple specimens are simultaneously heated, the turnplate is then rotated, the multiple specimens are immersed into a water groove to cool, and the specimens are positioned in the identical testing environment.
Description
Technical field
The present invention relates to the commerical test apparatus field, particularly relate to a kind of multispecimen testing machine that is applied to thermal fatigue test.
Background technology
When heat fatigue refers to metallic element by heating and cooling repeatedly, its inner alternating thermal stress, phenomenon that metallic element is destroyed under this alternating thermal stress repeated action of producing.The thermal fatigue test of metal is a kind of qualitatively test, and its test method generally is after the metal material Fast Heating is reached the test ceiling temperature, to add water with pressurized air or air again and be cooled to rapidly lower limit temperature.Thermal fatigue tester has been realized mechanization control, and human factor is less, but the accuracy of warranty test, however the volume of existing thermal fatigue tester is larger, and cost is higher, is not suitable for the test of little test button.Simultaneously, because sample is heated and the growth individual of crystal inside, be difficult to draw general rule from individual sample in the thermal fatigue test, it is all consistent to be difficult to again to accomplish to control all test environments for many experiments.
Summary of the invention
The technical matters that the present invention mainly solves provides a kind of multispecimen testing machine that is applied to thermal fatigue test, it is reasonable in design, and is simple in structure, adopts a plurality of heating station designs, utilize high-frequency induction simultaneously the polylith sample to be heated simultaneously, allow the polylith sample be in identical test environment.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of multispecimen testing machine that is applied to thermal fatigue test is provided, comprises: well heater, tank and specimen holder; It is characterized in that: described specimen holder is contained on the rotating disk that is fixed in the tank, forms similar " waterwheel " structure; Described rotating disk links to each other by the progressive motor that belt and its rear are connected to stabilized voltage supply, and rotating disk the place ahead is over against described well heater and thermocouple sensor; Arc thermopair on the described thermocouple sensor can the perception rotating disk on the temperature of sample; Described well heater and thermocouple sensor are fixed on for tank and change on the water pump of water; The counter of statistics heating and cooling number of times also is equipped with in described well heater top, and described counter links to each other with thermocouple sensor; The described job step that is applied to the multispecimen testing machine of thermal fatigue test is carried out system's control by control system.
Preferably, described well heater is high frequency induction heater.
Preferably, described control system receives the data-signal from described counter, the described high frequency induction heater of control and described progressive motor after judging.
Preferably, 4 specimen holders are housed on the described rotating disk.
The invention has the beneficial effects as follows: a kind of multispecimen testing machine that is applied to thermal fatigue test is provided, it is reasonable in design, simple in structure, adopt a plurality of heating station designs, a plurality of specimen holder gripping samples can be housed on rotating disk, utilize high frequency induction heater simultaneously the polylith sample to be heated simultaneously, simultaneously the polylith sample is immersed in the tank by dial rotation again and cool off, allow sample be in identical test environment.
Description of drawings
Fig. 1 is a kind of structural representation that is applied to the multispecimen testing machine of thermal fatigue test of the present invention;
Fig. 2 is a kind of principle schematic that is applied to the multispecimen testing machine of thermal fatigue test of the present invention;
The mark of each parts is as follows in the accompanying drawing: 1, sample; 2, specimen holder; 3, high frequency induction heater; 4, thermocouple sensor; 5, the motor that improves; 6, stabilized voltage supply; 7, control system; 8, counter; 9, tank; 10, water pump; 11, rotating disk; 12, belt; 13, semicircle thermopair.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that protection scope of the present invention is made more explicit defining.
See also accompanying drawing 1 and Fig. 2, the embodiment of the invention comprises:
A kind of multispecimen testing machine that is applied to thermal fatigue test comprises: high frequency induction heater 3, tank 9 and specimen holder 2; Described specimen holder 2 is contained on the rotating disk 11 that is fixed in the tank 9, and four specimen holders 2 are housed on the described rotating disk 11, forms similar " waterwheel " structure; Described rotating disk 11 tops are the semicircle thermopairs 13 on the thermocouple sensor 4; Described rotating disk 11 links by the progressive motor 5 that belt 12 and rear are connected to stabilized voltage supply 6, and rotating disk 11 the place aheads are over against described high frequency induction heater 3 and thermocouple sensor 4; Described high frequency induction heater 3 is fixed on for tank 9 with thermocouple sensor 4 and changes on the water pump 10 of water; The counter 8 of statistics heating and cooling number of times also is equipped with in described high frequency induction heater 3 tops, and described counter 8 links to each other 4 with thermocouple sensor; The described job step that is applied to the multispecimen testing machine of thermal fatigue test is carried out system's control by control system 7.The data-signal that described control system 7 receives from described counter 8, the described high frequency induction heater 3 of control and described progressive motor 5 after judging.
In conjunction with a preferred embodiments a kind of working method that is applied to the multispecimen testing machine of thermal fatigue test of the present invention is described:
A kind of multispecimen testing machine that is applied to thermal fatigue test of the present invention, adopt a plurality of heating station designs, a plurality of specimen holder gripping samples can be housed on rotating disk, the high frequency magnetic field that utilizes high frequency induction heater to produce, allow sample produce induction current and cause the sample self-heating, thereby reach the purpose that the polylith sample is heated simultaneously.Thermocouple sensor carries out temperature detection to sample simultaneously, when being heated to a constant temperature, rolling counters forward once and sends to control system with signal and cools off experiment, simultaneously with cooling off in the polylith sample immersion tank, allow sample be in identical test environment by dial rotation.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (4)
1. a multispecimen testing machine that is applied to thermal fatigue test comprises: well heater, tank and specimen holder; It is characterized in that: described specimen holder is contained on the rotating disk that is fixed in the tank, forms similar " waterwheel " structure; Described rotating disk is connected to the progressive motor linkage of stabilized voltage supply by belt and its rear, and rotating disk the place ahead is over against described well heater and thermocouple sensor; Arc thermopair on the described thermocouple sensor can the perception rotating disk on the temperature of sample; Described well heater and thermocouple sensor are fixed on for tank and change on the water pump of water; The counter of statistics heating and cooling number of times also is equipped with in described well heater top, and described counter links to each other with thermocouple sensor; The described job step that is applied to the multispecimen testing machine of thermal fatigue test is carried out system's control by control system.
2. a kind of multispecimen testing machine that is applied to thermal fatigue test according to claim 1, it is characterized in that: described well heater is high frequency induction heater.
3. a kind of multispecimen testing machine that is applied to thermal fatigue test according to claim 1 is characterized in that: described control system receives the data-signal from described counter, the described high frequency induction heater of control and described progressive motor after judging.
4. a kind of multispecimen testing machine that is applied to thermal fatigue test according to claim 1 is characterized in that: on the described rotating disk a plurality of specimen holders can be housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104798365A CN102980825A (en) | 2012-11-23 | 2012-11-23 | Multi-specimen testing machine applying to heat fatigue experiment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104798365A CN102980825A (en) | 2012-11-23 | 2012-11-23 | Multi-specimen testing machine applying to heat fatigue experiment |
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| CN102980825A true CN102980825A (en) | 2013-03-20 |
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| CN2012104798365A Pending CN102980825A (en) | 2012-11-23 | 2012-11-23 | Multi-specimen testing machine applying to heat fatigue experiment |
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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 |
| CN106441994A (en) * | 2016-10-31 | 2017-02-22 | 东莞市天合机电开发有限公司 | Sampling device for lake water quality detection |
| CN106769597A (en) * | 2017-01-16 | 2017-05-31 | 西南交通大学 | A kind of disc material thermal fatigue tester and test method |
| CN109708984A (en) * | 2018-12-24 | 2019-05-03 | 昆明理工大学 | A kind of variable crank thermal fatigue test stand and its working method of high-frequency heating test specimen |
| CN112986131A (en) * | 2021-01-29 | 2021-06-18 | 南京航空航天大学 | Ice layer adhesion measuring device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202974790U (en) * | 2012-11-23 | 2013-06-05 | 苏州市职业大学 | Multi-specimen testing machine applied to thermal fatigue experiment |
-
2012
- 2012-11-23 CN CN2012104798365A patent/CN102980825A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202974790U (en) * | 2012-11-23 | 2013-06-05 | 苏州市职业大学 | Multi-specimen testing machine applied to thermal fatigue experiment |
Non-Patent Citations (1)
| Title |
|---|
| 刘北兴等: "自制自约束型冷-热疲劳试验机", 《机械工程师》 * |
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 |
| CN106441994A (en) * | 2016-10-31 | 2017-02-22 | 东莞市天合机电开发有限公司 | Sampling device for lake water quality detection |
| CN106441994B (en) * | 2016-10-31 | 2018-10-30 | 浙江富胜达科技有限公司 | A kind of sampling apparatus of lake water quality detection |
| CN106769597A (en) * | 2017-01-16 | 2017-05-31 | 西南交通大学 | A kind of disc material thermal fatigue tester and test method |
| CN109708984A (en) * | 2018-12-24 | 2019-05-03 | 昆明理工大学 | A kind of variable crank thermal fatigue test stand and its working method of high-frequency heating test specimen |
| CN112986131A (en) * | 2021-01-29 | 2021-06-18 | 南京航空航天大学 | Ice layer adhesion measuring device |
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Application publication date: 20130320 |