CN204302128U - Fatigue of materials process synthesis test macro - Google Patents
Fatigue of materials process synthesis test macro Download PDFInfo
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- CN204302128U CN204302128U CN201420739616.6U CN201420739616U CN204302128U CN 204302128 U CN204302128 U CN 204302128U CN 201420739616 U CN201420739616 U CN 201420739616U CN 204302128 U CN204302128 U CN 204302128U
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- fatigue
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- process synthesis
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Abstract
The utility model discloses a kind of fatigue of materials process synthesis test macro, comprise fatigue test board, sensing device and control system, fatigue test board comprises platform, clamping device and reciprocator, one end of test specimen is fixed on clamping device, the other end is connected with the end-effector of reciprocator, sensing device comprises stress strain gauge, infrared temperature sensor and calibrate AE sensor, stress strain gauge and calibrate AE sensor are arranged on the surface of test specimen, infrared temperature sensor is arranged on apart from the certain distance of test specimen surface, control system comprises control module and signals collecting and processing module, stress strain gauge, infrared temperature sensor and calibrate AE sensor are all connected with signals collecting and processing module.The utility model solves the problem lacked at present by the integrated test system of some features in experimental study different metal material fatigue process, has the advantage that comprehensive survey project is many, simple to operate, automaticity is high.
Description
Technical field
The utility model relates to a kind of fatigue of materials process synthesis test macro.
Background technology
Under alternate stress effect, the principal mode that hardware destroys is fatigue damage.Fatigue damage is the process of a gradual change, first there is localized micro crackle at the component stress place of concentrating, along with alternate stress action time increases, microfissure is assembled communication gradually and is formed macroscopic cracking, when reaching certain limit, component can rupture suddenly, and the above-mentioned failure phenomenon that because of metal alternate stress causes, is called the fatigue of metal.
Statistics shows, the inefficacy of machine components, about have about 70% to be that fatigue causes, and the accident great majority caused is catastrophic.Due to the process that fatigue damage is a gradual change, and along with the change of some features (as ess-strain, temperature, sound emission) in whole process, therefore, study some features in different metal material fatigue process by experiment, utilize distinctive information in different materials fatigue process, realizing the on-line monitoring of structure or Parts degree of injury, being of great significance avoiding the generation tool of major accident.But, still lack the integrated test system by some features in experimental study different metal material fatigue process at present.
Utility model content
For solving the problem lacked at present by the integrated test system of some features in experimental study different metal material fatigue process, the utility model provides a kind of fatigue of materials process synthesis test macro.
The technical solution adopted in the utility model is as follows:
A kind of fatigue of materials process synthesis test macro, comprise fatigue test board, sensing device and control system, described fatigue test board comprises platform, clamping device and reciprocator, described clamping device and reciprocator are arranged on platform, one end of test specimen is fixed on clamping device, the other end is connected with the end-effector of reciprocator, described sensing device comprises stress strain gauge, infrared temperature sensor and calibrate AE sensor, described stress strain gauge and calibrate AE sensor are arranged on the surface of test specimen, described infrared temperature sensor is arranged on apart from the certain distance of test specimen surface, described control system comprises control module and signals collecting and processing module, described stress strain gauge, infrared temperature sensor and calibrate AE sensor are all connected with signals collecting and processing module.
Preferably, described reciprocator comprises motor, crank, connecting rod, slide block and guide rail, and described motor and guide rail are fixed on platform, and the power output shaft of motor is connected with slide block with connecting rod by crank, described slide block is arranged on guide rail, and one end of test specimen is connected with slide block.
The Fatigue Failure Process under different inflection frequency for ease of simulation and research test specimen, preferably, described motor is buncher, and described buncher is connected with the control module of control system.
Preferably, described buncher is frequency control motor, and described control system is computer.
For ease of measuring the size and Orientation of the principal strain of test specimen in Fatigue Failure Process, preferably, described stress strain gauge is ess-strain flower.
For the work avoiding stress strain gauge to stop infrared temperature sensor, preferably, described stress strain gauge is arranged on test specimen and estimates the side of surface, fracture zone away from infrared temperature sensor.
Monitoring test specimen of attaching most importance to estimates the change of temperature field of fracture zone, and preferably, described infrared temperature sensor is arranged on to be estimated in the vertical certain distance in surface, fracture zone with test specimen.
Preferably, the direction of motion of the end-effector of described reciprocator and the length direction of test specimen vertical.
For ease of using, preferably, described clamping device is vice.
Preferably, described vice is fixed on platform by stationary fixture.
Alternatively, described reciprocator comprises cylinder, and the actuating station of the piston rod of described cylinder is connected with one end of test specimen.
The utility model is by being fixed on clamping device by one end of test specimen, the other end is driven by the end-effector of reciprocator and does bending action repeatedly, thus the simulation achieved test specimen Fatigue Failure Process, simultaneously, pass through stress strain gauge, infrared temperature sensor and calibrate AE sensor measure the ess-strain of test specimen in whole Fatigue Failure Process in real time, temperature field and characteristics of Acoustic Emission, and by signals collecting and processing module, acquisition and processing is carried out to measuring-signal, thus obtain the ess-strain of test specimen material in whole Fatigue Failure Process of different materials itself, the data message of temperature field and characteristics of Acoustic Emission, to set up the inner link between different materials fatigue damage degree and these characteristic informations, realize the on-line monitoring of different materials structural member or parts degree of injury, for m of e etc. provides foundation, further, by changing the input energy (as changed the rotating speed of motor) of reciprocator, also can obtain the data message of the ess-strain of test specimen material in whole Fatigue Failure Process under different input energy itself, temperature field and sound emission, thus summarize different materials, the different relation inputted between energy and material fatigue damage degree, build the relational model between complete material fatigue damage and external action parameter, for predicting that the security performance of big machinery or material itself provides theoretical and Data support later.
The utility model provides a kind of fatigue of materials process synthesis test macro, solve the problem lacked at present by the integrated test system of some features in experimental study different metal material fatigue process, there is the advantage that comprehensive survey project is many, simple to operate, automaticity is high, the research to various material fatigue damage can be widely used in.
Accompanying drawing explanation
Fig. 1 is the structural representation of the fatigue test board of the utility model embodiment;
Fig. 2 is the structural principle schematic diagram of the utility model embodiment;
In figure: 1, platform; 2, motor base; 3, motor; 4, crank; 5, connecting rod; 6, slide block; 7, guide rail; 8, test specimen; 9, vice; 10, stationary fixture; 11, stress strain gauge; 12, infrared temperature sensor; 13, calibrate AE sensor; 89, vice stiff end.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Fig. 1 ~ 2, the fatigue of materials process synthesis test macro of the present embodiment comprises fatigue test board, sensing device and control system (not shown), described fatigue test board comprises platform 1, clamping device and reciprocator, described clamping device and reciprocator are installed on the platform 1, one end of test specimen 8 is fixed on clamping device, the other end is connected with the end-effector of reciprocator, described sensing device comprises stress strain gauge 11, infrared temperature sensor 12 and calibrate AE sensor 13, stress strain gauge 11 and calibrate AE sensor 13 are arranged on the surface of test specimen 8, infrared temperature sensor 12 is arranged on to be estimated in the certain distance of surface, fracture zone apart from test specimen 8, described control system comprises control module and signals collecting and processing module, stress strain gauge 11, infrared temperature sensor 12 is all connected with signals collecting and processing module with calibrate AE sensor 13.
Preferably, described reciprocator comprises motor 3, crank 4, connecting rod 5, slide block 6 and guide rail 7, motor 3 and guide rail 7 are fixed on the platform 1, the power output shaft of motor 3 is connected with slide block 6 with connecting rod 5 by crank 4, slide block 6 is arranged on guide rail 7, and one end of test specimen 8 is connected with slide block 6.
Alternatively, described reciprocator comprises cylinder, and the actuating station of the piston rod of described cylinder is connected with one end of test specimen.
The Fatigue Failure Process under different inflection frequency for ease of simulation and research test specimen, preferably, motor 3 is buncher, and described buncher is connected with the control module of control system.Obviously, motor 3 also realizes speed-regulating function by connection reducer.
Further, for ease of speed governing and control, preferably, described buncher is frequency control motor, and described control system is computer.
For ease of measuring the size and Orientation of the principal strain of test specimen in Fatigue Failure Process, preferably, stress strain gauge 11 is ess-strain flower.
For the work avoiding stress strain gauge to stop infrared temperature sensor, preferably, described stress strain gauge 11 is arranged on test specimen and estimates the side of surface, fracture zone away from infrared temperature sensor.
Monitoring test specimen of attaching most importance to estimates the change of temperature field of fracture zone, and preferably, infrared temperature sensor 12 is arranged on to be estimated in the vertical certain distance in surface, fracture zone with test specimen 8.
Preferably, calibrate AE sensor 13 is arranged on the surface of test specimen two ends annex.
Preferably, described reciprocator the direction of motion of end-effector (in the present embodiment, end-effector is slide block 6) vertical with the length direction of test specimen 8.Obviously, also can, according to test needs, make the direction of motion of end-effector (in the present embodiment, end-effector is slide block 6) consistent with the length direction of test specimen 8 or form an angle.
For ease of using, preferably, described clamping device is vice 9, and vice 9 is fixing on the platform 1 by stationary fixture 10.
The utility model is by being fixed on clamping device by one end of test specimen, the other end is driven by the end-effector of reciprocator and does bending action repeatedly, thus the simulation achieved test specimen Fatigue Failure Process, simultaneously, pass through stress strain gauge, infrared temperature sensor and calibrate AE sensor measure the ess-strain of test specimen in whole Fatigue Failure Process in real time, temperature field and characteristics of Acoustic Emission, and by signals collecting and processing module, acquisition and processing is carried out to measuring-signal, thus obtain the ess-strain of test specimen material in whole Fatigue Failure Process of different materials itself, the data message of temperature field and characteristics of Acoustic Emission, to set up the inner link between different materials fatigue damage degree and these characteristic informations, realize the on-line monitoring of different materials structural member or parts degree of injury, for m of e etc. provides foundation, further, by changing the input energy (as changed the rotating speed of motor) of reciprocator, also can obtain the data message of the ess-strain of test specimen material in whole Fatigue Failure Process under different input energy itself, temperature field and sound emission, thus summarize different materials, the different relation inputted between energy and material fatigue damage degree, build the relational model between complete material fatigue damage and external action parameter, for predicting that the security performance of big machinery or material itself provides theoretical and Data support later.
The utility model provides a kind of fatigue of materials process synthesis test macro, solve the problem lacked at present by the integrated test system of some features in experimental study different metal material fatigue process, there is the advantage that comprehensive survey project is many, simple to operate, automaticity is high, the research to various material fatigue damage can be widely used in.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above; but the utility model is not limited to above-described embodiment; in the ken that those of ordinary skill in the art possess; various change can also be made obtaining under the prerequisite not departing from the utility model aim, also should be considered as protection domain of the present utility model.
Claims (10)
1. a fatigue of materials process synthesis test macro, it is characterized in that: comprise fatigue test board, sensing device and control system, described fatigue test board comprises platform, clamping device and reciprocator, described clamping device and reciprocator are arranged on platform, one end of test specimen is fixed on clamping device, the other end is connected with the end-effector of reciprocator, described sensing device comprises stress strain gauge, infrared temperature sensor and calibrate AE sensor, described stress strain gauge and calibrate AE sensor are arranged on the surface of test specimen, described infrared temperature sensor is arranged on apart from the certain distance of test specimen surface, described control system comprises control module and signals collecting and processing module, described stress strain gauge, infrared temperature sensor and calibrate AE sensor are all connected with signals collecting and processing module.
2. fatigue of materials process synthesis test macro according to claim 1, it is characterized in that: described reciprocator comprises motor, crank, connecting rod, slide block and guide rail, described motor and guide rail are fixed on platform, the power output shaft of motor is connected with slide block with connecting rod by crank, described slide block is arranged on guide rail, and one end of test specimen is connected with slide block.
3. fatigue of materials process synthesis test macro according to claim 2, is characterized in that: described motor is buncher, and described buncher is connected with the control module of control system.
4. fatigue of materials process synthesis test macro according to claim 3, it is characterized in that: described buncher is frequency control motor, described control system is computer.
5. fatigue of materials process synthesis test macro according to claim 1, is characterized in that: described stress strain gauge is ess-strain flower.
6. fatigue of materials process synthesis test macro according to claim 1, is characterized in that: described stress strain gauge is arranged on test specimen and estimates the side of surface, fracture zone away from infrared temperature sensor.
7. fatigue of materials process synthesis test macro according to claim 1, is characterized in that: described infrared temperature sensor is arranged on to be estimated in the vertical certain distance in surface, fracture zone with test specimen.
8. fatigue of materials process synthesis test macro according to claim 1, is characterized in that: the direction of motion of the end-effector of described reciprocator is vertical with the length direction of test specimen.
9. fatigue of materials process synthesis test macro according to claim 1, is characterized in that: described clamping device is vice.
10. fatigue of materials process synthesis test macro according to claim 9, is characterized in that: described vice is fixed on platform by stationary fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420739616.6U CN204302128U (en) | 2014-11-28 | 2014-11-28 | Fatigue of materials process synthesis test macro |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420739616.6U CN204302128U (en) | 2014-11-28 | 2014-11-28 | Fatigue of materials process synthesis test macro |
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| CN204302128U true CN204302128U (en) | 2015-04-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483219A (en) * | 2014-11-28 | 2015-04-01 | 中国海洋大学 | Material fatigue process integrated test system |
| RU2755408C1 (en) * | 2020-12-01 | 2021-09-15 | Илья Олегович Башков | Installation for testing samples for cyclic fatigue with possibility of recording acoustic emission signals |
-
2014
- 2014-11-28 CN CN201420739616.6U patent/CN204302128U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483219A (en) * | 2014-11-28 | 2015-04-01 | 中国海洋大学 | Material fatigue process integrated test system |
| RU2755408C1 (en) * | 2020-12-01 | 2021-09-15 | Илья Олегович Башков | Installation for testing samples for cyclic fatigue with possibility of recording acoustic emission signals |
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| 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: 20150429 Termination date: 20161128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |