CN203965269U - A kind of thermal fatigue test apparatus - Google Patents
A kind of thermal fatigue test apparatus Download PDFInfo
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- CN203965269U CN203965269U CN201320812920.4U CN201320812920U CN203965269U CN 203965269 U CN203965269 U CN 203965269U CN 201320812920 U CN201320812920 U CN 201320812920U CN 203965269 U CN203965269 U CN 203965269U
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- thermal fatigue
- inductive coil
- fatigue test
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Abstract
The utility model relates to a kind of thermal fatigue test apparatus, it is characterized in that: high frequency induction heater main frame is placed in frame; The interconnective time relay, counter and electric pushrod utilize bolt to be arranged on respectively frame front upper, and inductive coil stretches out from middle part, frame front, and bosh is placed on the positive basifacial of frame; Electric pushrod, the first connector, ceramic rod, the second connector form gear train jointly, from top to bottom connection coaxial with inductive coil successively.The utility model volume is little, and cost is low; Operational process robotization, improves test accuracy; Gear train is stable, reliable, accurate positioning; High-frequency induction heating sample speed is fast, and test efficiency is high; Be applicable to little test button thermal fatigue test.
Description
Technical field
The utility model relates to a kind of metal material performance detection tester, particularly a kind of thermal fatigue test apparatus.
Background technology
The fatigure failure phenomenon that the thermal stress circulation (or thermal strain circulation) that metal material causes due to thermograde circulation produces is called heat fatigue.In order to evaluate the thermal fatigue property quality of metal material, utilize thermal fatigue test apparatus to simulate actual condition, make metal material by heating and cooling repeatedly, under the effect of inner alternating thermal stress, qualitative its thermal fatigue property level that reflected of degree that metal material surface is destroyed.
The test method labour intensity that manual type is carried out metal material cold cycling between inductive coil or heating furnace and chilled water is large, and human factor is more, and the accuracy of test is low; Thermal fatigue tester can be realized mechanization and control, and effectively avoids human factor, but because volume is large and price is high, is not suitable for the test of little test button; There is defect in various degree in self-control thermal fatigue tester, the special inductive coil that utilizes having coordinates cool water shower, realizes sample cold cycling and control, this method inductive coil complex structure, the inductive coil that needs customization to mate with specimen size; Sample reciprocation cycle between resistance furnace and chilled water is moved in the dribbling of some employing motor driving wheels, drive unit relative complex, and gear train rigidity deficiency is easily rocked sample, and the resistance furnace efficiency of heating surface is lower simultaneously, and the test period expending is long.
Summary of the invention
The purpose of this utility model is to provide a kind of thermal fatigue test apparatus, that this thermal fatigue test apparatus has is simple and reliable, volume is little, cost is low, efficiency is high, be applicable to the feature of little test button hot fatigue performance test, the advantage of the high temperature resistant rigidity foot that makes full use of that inductive coil heating sample efficiency is high, electric pushrod is simple in structure, ceramic rod is nonmagnetic, has overcome the problems such as manual operation precision is low, specialized equipment cost is high, the resistance furnace efficiency of heating surface is low, home-made contrivance structure is too complicated.
The utility model is achieved through the following technical solutions:
A kind of thermal fatigue test apparatus, comprise frame (1), high frequency induction heater main frame (2) and inductive coil (3), the time relay (4), counter (5), electric pushrod (6), the first connector (7), ceramic rod (8), the second connector (9), sample (10), bosh (11) and water temperature regulater (12), it is characterized in that: high frequency induction heater main frame (2) is placed in frame (1); The interconnective time relay (4), counter (5) and electric pushrod (6) utilize bolt to be arranged on respectively frame (1) front upper, inductive coil (3) stretches out from the positive middle part of frame (1), and bosh (11) is placed on the positive basifacial of frame (1); Electric pushrod (6), the first connector (7), ceramic rod (8), the second connector (9) form gear train jointly, from top to bottom connection coaxial with inductive coil (3) successively.
The first connector (7) is connected with electric pushrod (6) ceramic rod (8) respectively in screw lock mode with the second connector (9) with sample (10).
Described gear train is when initial position, and directly over the second connector (9) is positioned at outside inductive coil (3), sample (10) is in inductive coil (3) center.
When sample (10) enters bosh (11), inductive coil (3) heating target is ceramic rod (8), utilizes the nonmagnetic resistant to elevated temperatures feature of ceramic rod, avoids described gear train temperature distortion to affect positioning precision.
By setup times relay (4), control the time that electric pushrod (6) pumps and moves and stops, counter (5) can be controlled the cycle index that described gear train pumps.
Bosh (11) can guarantee chilled water constant temperature by water temperature regulater (12).
The beneficial effects of the utility model are:
Thermal fatigue test apparatus volume is little, and cost is low; Operational process robotization, improves test accuracy; Gear train is stable, reliable, accurate positioning; High-frequency induction heating sample speed is fast, and test efficiency is high; Be applicable to little test button thermal fatigue test.
Accompanying drawing explanation
Fig. 1---the structural representation of a kind of thermal fatigue test apparatus of the utility model;
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is made to further more detailed description.
As shown in Figure 1, the utility model provides a kind of thermal fatigue test apparatus, and this test unit comprises frame (1), high frequency induction heater main frame (2) and inductive coil (3), the time relay (4), counter (5), electric pushrod (6), the first connector (7), ceramic rod (8), the second connector (9), sample (10), bosh (11) and water temperature regulater (12).
High frequency induction heater main frame (2) is placed in frame (1); The interconnective time relay (4), counter (5) and electric pushrod (6) utilize bolt to be arranged on respectively frame (1) front upper, inductive coil (3) stretches out from the positive middle part of frame (1), and bosh (11) is placed on the positive basifacial of frame (1); Electric pushrod (6), the first connector (7), ceramic rod (8), the second connector (9) form gear train jointly, from top to bottom connection coaxial with inductive coil (3) successively.
The first connector (7) is connected with electric pushrod (6) ceramic rod (8) respectively in screw lock mode with the second connector (9) with sample (10).
Described gear train is when initial position, and directly over the second connector (9) is positioned at outside inductive coil (3), sample (10) is in inductive coil (3) center.
When sample (10) enters bosh (11), inductive coil (3) heating target is ceramic rod (8), utilizes the nonmagnetic resistant to elevated temperatures feature of ceramic rod, avoids described gear train temperature distortion to affect positioning precision.
By setup times relay (4), control the time that electric pushrod (6) pumps and moves and stops, counter (5) can be controlled the cycle index that described gear train pumps.
Bosh (11) can guarantee chilled water constant temperature by water temperature regulater (12).
The operation of thermal fatigue test apparatus is as follows:
1, sample is installed: carry out before thermal fatigue test, first energising makes its push rod be moved down into inductive coil (3) and bosh (11) centre position to electric pushrod (6), to facilitate, sample (10) is installed; After power-off, sample (10) is arranged on the second connector (9) in screw lock mode; To electric pushrod (6), energising makes its push rod get back to initial position again.
2, parameters: according to required heat time of sample and cool time, setup times relay (4) parameter; By sample cold cycling number of times enter counter (5).
3, sample heating: starting characteristics test device, start the cold and hot reciprocation cycle of sample, sample (10) is pressed the time relay (4) parameter and is stopped certain hour in inductive coil (3), and sample (10) is fully heated.
4, sample is cooling: the push rod of the moving push rod (6) of the time relay (4) automatic control electric is descending, makes sample (10) enter fast bosh (11) and stops certain hour by the time relay (4) parameter, and sample (10) is sufficiently cooled.
5, complete circulation: the push rod of the moving push rod (6) of the time relay (4) automatic control electric goes upward to initial position, and counter (5) numerical value successively decreases 1, so far completes the cold cycling of a sample (10); Enter next cycle period.
6, off-test: when reaching the cycle index of regulation, counter (5) numerical value is 0 also automatic relay trip time (4) power supply, whole cold cycling process finishes, and sample (10) is taken off and carries out follow-up grand microcosmic detection from the second connector (9).
During the utility model guarantees repeatedly to circulate by setup times relay parameter, the sample heat time is constant, test findings can be used for the Comparative Thermal-Fatigue of metal material of the same race under different cold cycling parameters, also can be used for the Comparative Thermal-Fatigue of different metal material under identical test parameter.As need are determined the actual temp value that sample is heated or cooled, can measure by contact thermocouple, and record specimen surface temperature with heating or the variation numerical value of cool time, same sample is measured once, this measured value can be used as thermal fatigue test Setting Up Parameters, and then reaches the object of process of the test temperature control.
Claims (6)
1. a thermal fatigue test apparatus, comprise frame (1), high frequency induction heater main frame (2) and inductive coil (3), the time relay (4), counter (5), electric pushrod (6), the first connector (7), ceramic rod (8), the second connector (9), sample (10), bosh (11) and water temperature regulater (12), it is characterized in that: high frequency induction heater main frame (2) is placed in frame (1); The interconnective time relay (4), counter (5) and electric pushrod (6) utilize bolt to be arranged on respectively frame (1) front upper, inductive coil (3) stretches out from the positive middle part of frame (1), and bosh (11) is placed on the positive basifacial of frame (1); Electric pushrod (6), the first connector (7), ceramic rod (8), the second connector (9) form gear train jointly, from top to bottom connection coaxial with inductive coil (3) successively.
2. a kind of thermal fatigue test apparatus according to claim 1, is characterized in that, the first connector (7) is connected with electric pushrod (6) ceramic rod (8) respectively in screw lock mode with the second connector (9) with sample (10).
3. a kind of thermal fatigue test apparatus according to claim 1, is characterized in that, described gear train is when initial position, and directly over the second connector (9) is positioned at outside inductive coil (3), sample (10) is in inductive coil (3) center.
4. a kind of thermal fatigue test apparatus according to claim 1, it is characterized in that, when sample (10) enters bosh (11), inductive coil (3) heating target is ceramic rod (8), utilize the nonmagnetic resistant to elevated temperatures feature of ceramic rod, avoid described gear train temperature distortion to affect positioning precision.
5. a kind of thermal fatigue test apparatus according to claim 1, it is characterized in that, by setup times relay (4), control the time that electric pushrod (6) pumps and moves and stops, counter (5) can be controlled the cycle index that described gear train pumps.
6. a kind of thermal fatigue test apparatus according to claim 1, is characterized in that, bosh (11) can guarantee chilled water constant temperature by water temperature regulater (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320812920.4U CN203965269U (en) | 2013-12-12 | 2013-12-12 | A kind of thermal fatigue test apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320812920.4U CN203965269U (en) | 2013-12-12 | 2013-12-12 | A kind of thermal fatigue test apparatus |
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| Publication Number | Publication Date |
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| CN203965269U true CN203965269U (en) | 2014-11-26 |
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| CN201320812920.4U Expired - Fee Related CN203965269U (en) | 2013-12-12 | 2013-12-12 | A kind of thermal fatigue test apparatus |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043914A (en) * | 2015-07-21 | 2015-11-11 | 山东大学 | Test method and device for evaluating thermal fatigue of high-temperature alloy |
| CN105758758A (en) * | 2016-02-29 | 2016-07-13 | 江苏科技大学 | Thermal fatigue testing machine |
| CN107036884A (en) * | 2017-05-16 | 2017-08-11 | 江苏大学 | Detect the intelligence system testing machine of metal material cold-heat fatigue property |
| CN108562482A (en) * | 2018-04-24 | 2018-09-21 | 江苏科技大学 | A kind of process that the Thermal Fatigue Damage of stainless steel soldered fitting measures |
| CN109738322A (en) * | 2019-01-23 | 2019-05-10 | 重庆理工大学 | The quick thermal fatigue test device of electric iron heated type and experimental method |
| CN114062415A (en) * | 2021-10-14 | 2022-02-18 | 首钢集团有限公司 | Thermal fatigue testing machine control method and thermal fatigue testing machine |
-
2013
- 2013-12-12 CN CN201320812920.4U patent/CN203965269U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043914A (en) * | 2015-07-21 | 2015-11-11 | 山东大学 | Test method and device for evaluating thermal fatigue of high-temperature alloy |
| CN105758758A (en) * | 2016-02-29 | 2016-07-13 | 江苏科技大学 | Thermal fatigue testing machine |
| CN105758758B (en) * | 2016-02-29 | 2019-03-29 | 江苏科技大学 | A kind of thermal fatigue tester |
| CN107036884A (en) * | 2017-05-16 | 2017-08-11 | 江苏大学 | Detect the intelligence system testing machine of metal material cold-heat fatigue property |
| CN108562482A (en) * | 2018-04-24 | 2018-09-21 | 江苏科技大学 | A kind of process that the Thermal Fatigue Damage of stainless steel soldered fitting measures |
| CN109738322A (en) * | 2019-01-23 | 2019-05-10 | 重庆理工大学 | The quick thermal fatigue test device of electric iron heated type and experimental method |
| CN114062415A (en) * | 2021-10-14 | 2022-02-18 | 首钢集团有限公司 | Thermal fatigue testing machine control method and thermal fatigue testing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20151212 |
|
| EXPY | Termination of patent right or utility model |