CN101324497A - Flexible plate assembly axial fatigue test method - Google Patents
Flexible plate assembly axial fatigue test method Download PDFInfo
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- CN101324497A CN101324497A CNA2008101330785A CN200810133078A CN101324497A CN 101324497 A CN101324497 A CN 101324497A CN A2008101330785 A CNA2008101330785 A CN A2008101330785A CN 200810133078 A CN200810133078 A CN 200810133078A CN 101324497 A CN101324497 A CN 101324497A
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- plate assembly
- flexible plate
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- 238000000034 method Methods 0.000 title abstract description 5
- 238000009661 fatigue test Methods 0.000 title abstract 3
- 238000006073 displacement reaction Methods 0.000 claims abstract description 23
- 238000012360 testing method Methods 0.000 claims abstract description 19
- 238000010998 test method Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 10
- 238000002474 experimental method Methods 0.000 claims description 5
- 239000011551 heat transfer agent Substances 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims description 2
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims 1
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The invention relates to a method for testing the axial fatigue of a flexible plate assembly, which can effectively test the axial fatigue resistance capability of the flexible plate assembly. The method adopts the technical proposal that the method for testing the axial fatigue of the flexible plate assembly is characterized in that a microcomputer is adopted in the test to control an electro-hydraulic servo fatigue testing machine; a displacement sensor, a load sensor and a stress detector are arranged on the electro-hydraulic servo fatigue testing machine controlled by the microcomputer; signals output through the displacement sensor, the load sensor and the stress detector are transferred to a single-chip microcomputer; the signals are output through the single-chip microcomputer, so that an externally connected display displays a load-time curve, a displacement-time curve and a stress-time curve.
Description
Technical field
The present invention relates to a kind of test method of flexible plate assembly axial fatigue.
Background technology
Flexible plate assembly is the vitals that connects automobile engine crankshaft and fluid torque-converter, the pliable and tough transferring power of this parts energy is born various axial floats and axial deformation, but tends to because stress is concentrated, phenomenons such as breakage take place in reasons such as material plastic yield when causing work.In the performance history of flexible plate assembly, how to test exactly and judge whether the intensity of flexible plate assembly when bearing axial float and axial force satisfies request for utilization, current industry is not also carried out the effective test method of system.
Summary of the invention
Goal of the invention of the present invention is to provide a kind of test method of flexible plate assembly axial fatigue, can effectively detect the anti-axial fatigue ability of flexible plate assembly.
Realize the object of the invention technical scheme:
A kind of test method of flexible plate assembly axial fatigue is characterized in that:
The microcomputer controlled electro-hydraulic servo fatigue tester is adopted in test, and the microcomputer controlled electro-hydraulic servo fatigue tester is provided with displacement transducer, load sensor and stress detector;
The signal of displacement transducer, load sensor and stress detector output is sent to single-chip microcomputer, and the single-chip microcomputer output signal makes external display show load-time curve, displacement-time curve and stress time curve.
The beneficial effect that the present invention has:
The present invention can detect the anti-axial fatigue ability of flexible plate assembly accurately and effectively, and output load-time curve, displacement-time curve and stress time curve.
Description of drawings
Fig. 1 is the tired merit test-bed of a flexible plate assembly axial basic structure synoptic diagram;
Fig. 2 is a flexible plate assembly axial fatigue experiment detection device structured flowchart;
Fig. 3 is the detection method process flow diagram of flexible plate assembly axial fatigue experiment detection device.
Embodiment
As shown in Figure 1, the microcomputer controlled electro-hydraulic servo fatigue tester is adopted in test, the microcomputer controlled electro-hydraulic servo fatigue tester is provided with displacement transducer 5, load sensor 2 and stress detector 10, wherein, connected load sensor 2 between the upper grip 3 of testing machine and moved cross beam 4, dress displacement transducer 5 on the actuator 1 of testing machine.With bolt flexible plate assembly 6 is installed on the frock 7 of simulation bent axle, testing machine adds a sinusoidal alternating load to flexible plate assembly, makes flexible plate assembly displacement on request back and forth load motion.
As shown in Figure 1 and Figure 2, the signal of displacement transducer, load sensor and stress detector output is sent to single-chip microcomputer U2, and the single-chip microcomputer output signal makes external display 9 show load-time curve, displacement-time curve and stress time curve.
Flexible plate assembly axial fatigue experiment detection device 8 is made of storer U1, single-chip microcomputer U2, D/A converter U3.Displacement transducer, load sensor and stress detector meet storer U1, and storer meets single-chip microcomputer U2, and the single-chip microcomputer signal output part connects D/A converter U3 signal input part, and the D/A converter signal output part connects display 9.
As shown in Figure 3, the detection step of flexible plate assembly axial fatigue experiment detection device is as follows,
Whether a, detect each circuit and switch on, single-chip microcomputer presets initial value to each subroutine and the D/A converter had stationed in its own functional part and the internal memory, sets the initialization state, will load and be out of shape zeroing;
B, the displacement of setting requirement or load waveform parameter;
Whether c, inspection single-chip microcomputer carry out comprehensive data acquisition, check promptly whether displacement or load meet the requirement of setting;
D, all sensors are carried out signals collecting;
E, the heat transfer agent that converts digital signal to is handled, under displacement of setting and loading condiction, generated time corresponding-load, time-displacement curve and stress time curve;
F, the load-time curve that will generate, displacement-time curve and stress time curve compare with theoretical parameter, and whether≤1% deviation range more between the two determines whether that usefulness is qualified;
If, then do not reenter step c; If yes, then continue next step;
G, check whether the qualified detection of usefulness has been carried out more than twice,, if yes, then continue next step if not, then change step b;
H, first with the usefulness testing result of last, check first with the deviation range of last whether≤10%, if not, then change step b, if yes, then continue next step.
I, output data show load-time curve, displacement-time curve and stress time curve.
Testing crew is set every program and is entered test, and test is controlled by load or displacement.Test was lost efficacy until flexible plate assembly, testing machine auto stop and record test cycle index and waveform parameter, the maximum stress value when reading inefficacy by the tension gauge device.
Claims (7)
1, a kind of test method of flexible plate assembly axial fatigue is characterized in that:
The microcomputer controlled electro-hydraulic servo fatigue tester is adopted in test, and the microcomputer controlled electro-hydraulic servo fatigue tester is provided with displacement transducer, load sensor and stress detector;
The signal of displacement transducer, load sensor and stress detector output is sent to single-chip microcomputer, and the single-chip microcomputer output signal makes external display show load-time curve, displacement-time curve and stress time curve.
2, the test method of the described flexible plate assembly axial fatigue of claim 1, it is characterized in that: displacement transducer, load sensor and stress detector connect single-chip microcomputer, the single-chip microcomputer signal output part connects the D/A converter signal input part, and the D/A converter signal output part connects display.
3, the test method of flexible plate assembly axial fatigue according to claim 2 is characterized in that: displacement transducer, load sensor and stress detector connect storer, and storer connects single-chip microcomputer.
4, the test method of flexible plate assembly axial fatigue according to claim 3 is characterized in that:
The detection step of flexible plate assembly axial fatigue experiment detection device is as follows,
A, set its initialization state, will load and be out of shape zeroing;
B, the displacement of setting requirement or load waveform parameter;
Whether c, inspection single-chip microcomputer carry out comprehensive data acquisition, check promptly whether displacement or load meet the requirement of setting;
D, all sensors are carried out signals collecting;
E, the heat transfer agent that converts digital signal to is handled, under displacement of setting and loading condiction, generated time corresponding-load, time-displacement curve and stress time curve;
F, the load-time curve that will generate, displacement-time curve and stress time curve compare with theoretical parameter, and whether≤1% deviation range more between the two determines whether that usefulness is qualified;
If, then do not reenter step c; If yes, then continue next step;
I, output data show load-time curve, displacement-time curve and stress time curve.
5, the test method of flexible plate assembly axial fatigue according to claim 4 is characterized in that:
Between step f and step I, also be provided with following steps,
G, check whether the qualified detection of usefulness has been carried out more than twice,, if yes, then continue next step if not, then change step b;
6, the test method of flexible plate assembly axial fatigue according to claim 5 is characterized in that:
Between step g and step I, also be provided with following steps,
H, first with the usefulness testing result of last, check first with the deviation range of last whether≤10%, if not, then change step b, if yes, then continue next step.
7, according to the test method of any one described flexible plate assembly axial fatigue of claim 1 to 6, it is characterized in that: connected load sensor between the upper grip of microcomputer controlled electro-hydraulic servo fatigue tester and moved cross beam, on the actuator of microcomputer controlled electro-hydraulic servo fatigue tester, adorn displacement transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101330785A CN101324497A (en) | 2008-07-08 | 2008-07-08 | Flexible plate assembly axial fatigue test method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101330785A CN101324497A (en) | 2008-07-08 | 2008-07-08 | Flexible plate assembly axial fatigue test method |
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| CN101324497A true CN101324497A (en) | 2008-12-17 |
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| CNA2008101330785A Pending CN101324497A (en) | 2008-07-08 | 2008-07-08 | Flexible plate assembly axial fatigue test method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507349A (en) * | 2011-10-21 | 2012-06-20 | 南京航空航天大学 | Micro fatigue testing machine with variable displacement control |
| CN102564758A (en) * | 2011-12-22 | 2012-07-11 | 中国重汽集团济南动力有限公司 | Bending fatigue testing device for valve rocker |
| WO2013071805A1 (en) * | 2011-11-15 | 2013-05-23 | 中国商用飞机有限责任公司 | Device for measuring high and low temperature durability of sealing member |
| CN105445122A (en) * | 2015-11-03 | 2016-03-30 | 江铃控股有限公司 | Measurement combination for fastening process of automobile engine crankshaft belt pulley |
| CN105510141A (en) * | 2015-12-30 | 2016-04-20 | 瓦房店轴承集团有限责任公司 | Method for testing axial and radial load capabilities of wind power nylon separating block |
| CN105675411A (en) * | 2016-01-08 | 2016-06-15 | 甘肃省交通规划勘察设计院有限责任公司 | Method for testing anti-interference ability of epoxy resin reinforcement of double-layer beam test piece |
| CN106680083A (en) * | 2016-12-26 | 2017-05-17 | 中国电力科学研究院 | Testing device for treading fatigue of tension composite insulator |
-
2008
- 2008-07-08 CN CNA2008101330785A patent/CN101324497A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507349A (en) * | 2011-10-21 | 2012-06-20 | 南京航空航天大学 | Micro fatigue testing machine with variable displacement control |
| CN102507349B (en) * | 2011-10-21 | 2013-06-12 | 南京航空航天大学 | Micro fatigue testing machine with variable displacement control |
| WO2013071805A1 (en) * | 2011-11-15 | 2013-05-23 | 中国商用飞机有限责任公司 | Device for measuring high and low temperature durability of sealing member |
| CN102564758A (en) * | 2011-12-22 | 2012-07-11 | 中国重汽集团济南动力有限公司 | Bending fatigue testing device for valve rocker |
| CN105445122A (en) * | 2015-11-03 | 2016-03-30 | 江铃控股有限公司 | Measurement combination for fastening process of automobile engine crankshaft belt pulley |
| CN105510141A (en) * | 2015-12-30 | 2016-04-20 | 瓦房店轴承集团有限责任公司 | Method for testing axial and radial load capabilities of wind power nylon separating block |
| CN105510141B (en) * | 2015-12-30 | 2018-10-16 | 瓦房店轴承集团有限责任公司 | The test method of wind-powered electricity generation nylon spacing block axially and radially load capacity |
| CN105675411A (en) * | 2016-01-08 | 2016-06-15 | 甘肃省交通规划勘察设计院有限责任公司 | Method for testing anti-interference ability of epoxy resin reinforcement of double-layer beam test piece |
| CN105675411B (en) * | 2016-01-08 | 2018-07-03 | 甘肃省交通规划勘察设计院有限责任公司 | A kind of anti-interference method for testing epoxy resin reinforcing Two-layer Beam test specimen |
| CN106680083A (en) * | 2016-12-26 | 2017-05-17 | 中国电力科学研究院 | Testing device for treading fatigue of tension composite insulator |
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Open date: 20081217 |