CN105298890A - Method for excluding swing standard exceeding faults of fan guider of aero-engine - Google Patents
Method for excluding swing standard exceeding faults of fan guider of aero-engine Download PDFInfo
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- CN105298890A CN105298890A CN201510765358.8A CN201510765358A CN105298890A CN 105298890 A CN105298890 A CN 105298890A CN 201510765358 A CN201510765358 A CN 201510765358A CN 105298890 A CN105298890 A CN 105298890A
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Abstract
The invention relates to a method for eliminating swing standard exceeding faults of a fan guider of an aero-engine. The method includes the steps that when swing of the fan guider exceeds the standard in the test run of the aero-engine, a main pump adjuster is used for adjusting the rotating speed of the engine, and fault eliminating of the main pump adjust of the aero-engine is conducted; a rotating speed analog signal is sent to an electronic adjuster, the rotating speed of the engine is adjusted through the electronic adjuster, and fault eliminating of the electronic adjuster is conducted; and fault eliminating of an electrical circuit of the engine and fault eliminating of a rotating speed sensor of the engine are conducted until swing standard exceeding faults of the fan guider of the engine are eliminated. The method can be used for eliminating test run faults of various types of engines, the fault eliminating time in an engine plant is effectively shortened, swing faults of the fan guider of the engine are efficiently eliminated, engine cost is reduced, the utilization rate of the engine is increased, and fuel cost is saved.
Description
Technical field
The invention belongs to aero-engine fault diagnosis technique field, be specifically related to a kind of aerial engine fan guider and swing the troubleshooting methodology that exceeds standard.
Background technique
Fan guider is the vitals of turbogenerator stable operation, fan guider fault entail dangers to engine health, therefore fan guider fault is quick and precisely got rid of very important with raising motor usage ratio for guarantee engine health, guider swings the most common failure that the fault that exceeds standard is fan guider, and current fan guider swings the accurately unfixing troubleshooting methodology that exceeds standard.
Summary of the invention
For the deficiencies in the prior art, the present invention proposes a kind of aerial engine fan guider and swings the troubleshooting methodology that exceeds standard.
A kind of aerial engine fan guider swings the troubleshooting methodology that exceeds standard, and comprises the following steps:
Step 1: when fan guider swings and exceeds standard when aeroengine test run, utilizes main pump regulator to regulate engine speed, and when judging that motor main pump regulator regulates, whether fan guider swings and exceed standard, if so, then motor main pump regulator fault, performs step 2, otherwise, perform step 3;
Step 2: more reengine main pump regulator, performs step 9;
Whether step 3: send rotating speed analogue signal to electronic controller, regulate engine speed by electronic controller, judge that fan guider swings and exceed standard, if so, perform step 4, otherwise engine rotation speed sensor fault, performs step 5;
Whether step 4: change electronic controller, judge that engine blower guider swings and exceed standard, if so, carry out the eliminating of engine electrically line fault, perform step 7, otherwise, perform step 9;
Whether step 5: reinstall engine rotation speed sensor, judge that fan guider swings and exceed standard, if so, perform step 6, otherwise, perform step 9;
Step 6: change engine rotation speed sensor, performs step 9;
Step 7: judge that fan guider swings and whether exceed standard, if so, perform step 8, otherwise, perform step 9;
Step 8: carry out the cleaning of engine blower guider sensor or change fan guider sensor;
Step 9: aeroengine is stable, realizes engine blower guider and swings the failture evacuation that exceeds standard.
Described fan guider swing exceed standard for fan guider standard pendulum momentum ± 3 scales.
Described carry out engine electrically line fault get rid of comprise: the fault that the cable measured in engine blower guider between the sensor of fan guider angle and electronic controller is installed is got rid of, and whether the electric wiring of engine blower guider is occurred that the fault of short circuit grounding is got rid of.
Beneficial effect of the present invention:
The present invention proposes a kind of aerial engine fan guider and swings the troubleshooting methodology that exceeds standard, the present invention can be used in Multiple Type engine test failture evacuation, effectively shorten engine works' internal fault and get rid of the time, achieve efficient discharge except engine blower guider swing fault, reduce motor cost, improve motor utilization rate, saving fuel oil cost.
Accompanying drawing explanation
Fig. 1 is the flow chart that in the specific embodiment of the invention, aerial engine fan guider swings the troubleshooting methodology that exceeds standard.
Embodiment
Below in conjunction with accompanying drawing to specific embodiment of the invention detailed description in addition.
A kind of aerial engine fan guider swings the troubleshooting methodology that exceeds standard, and as shown in Figure 1, comprises the following steps:
Step 1: when fan guider swings and exceeds standard when aeroengine test run, utilizes main pump regulator to regulate engine speed, and when judging that motor main pump regulator regulates, whether fan guider swings and exceed standard, if so, then motor main pump regulator fault, performs step 2, otherwise, perform step 3.
Described fan guider swing exceed standard for fan guider standard pendulum momentum ± 3 scales.
In present embodiment, for the fan guider of 27 airplane engines of reviving, present engine rotating speed is 88% of motor maximum rating rotating speed.Under the swing of fan guider exceeds present engine steady state, the fault that exceeds standard is swung during fan guider stationary value ± 3 graduated range, fan guider stationary value is 56 scales, it is fan guider fault when exceeding 56 ± 3 graduated range, when front fan guider oscillating quantity 50 ~ 58 scale, it is fault state.
Step 2: more reengine main pump regulator, performs step 9.
Whether step 3: send rotating speed analogue signal to electronic controller, regulate engine speed by electronic controller, judge that fan guider swings and exceed standard, if so, perform step 4, otherwise engine rotation speed sensor fault, performs step 5.
In present embodiment, adopt multimeter to send rotating speed analogue signal to electronic controller, regulate engine speed by electronic controller, 88.5% of the maximum rating rotating speed of simulated engine.
Whether step 4: change electronic controller, judge that engine blower guider swings and exceed standard, if so, carry out the eliminating of engine electrically line fault, perform step 7, otherwise, perform step 9.
In present embodiment, the fault that the cable measured in engine blower guider between the sensor of fan guider angle and electronic controller is installed is got rid of, and whether the electric wiring of engine blower guider occurs that the fault of short circuit grounding is got rid of.
Whether step 5: reinstall engine rotation speed sensor, judge that fan guider swings and exceed standard, if so, perform step 6, otherwise, perform step 9;
Step 6: change engine rotation speed sensor, performs step 9;
Step 7: judge that fan guider swings and whether exceed standard, if so, perform step 8, otherwise, perform step 9;
Step 8: carry out the cleaning of engine blower guider sensor or change fan guider sensor;
Step 9: aeroengine is stable, realizes engine blower guider and swings the failture evacuation that exceeds standard.
Claims (3)
1. aerial engine fan guider swings the troubleshooting methodology that exceeds standard, and it is characterized in that, comprises the following steps:
Step 1: when fan guider swings and exceeds standard when aeroengine test run, utilizes main pump regulator to regulate engine speed, and when judging that motor main pump regulator regulates, whether fan guider swings and exceed standard, if so, then motor main pump regulator fault, performs step 2, otherwise, perform step 3;
Step 2: more reengine main pump regulator, performs step 9;
Whether step 3: send rotating speed analogue signal to electronic controller, regulate engine speed by electronic controller, judge that fan guider swings and exceed standard, if so, perform step 4, otherwise engine rotation speed sensor fault, performs step 5;
Whether step 4: change electronic controller, judge that engine blower guider swings and exceed standard, if so, carry out the eliminating of engine electrically line fault, perform step 7, otherwise, perform step 9;
Whether step 5: reinstall engine rotation speed sensor, judge that fan guider swings and exceed standard, if so, perform step 6, otherwise, perform step 9;
Step 6: change engine rotation speed sensor, performs step 9;
Step 7: judge that fan guider swings and whether exceed standard, if so, perform step 8, otherwise, perform step 9;
Step 8: carry out the cleaning of engine blower guider sensor or change fan guider sensor;
Step 9: aeroengine is stable, realizes engine blower guider and swings the failture evacuation that exceeds standard.
2. aerial engine fan guider according to claim 1 swings the troubleshooting methodology that exceeds standard, and it is characterized in that, described fan guider swing exceed standard for fan guider standard pendulum momentum ± 3 scales.
3. aerial engine fan guider according to claim 1 swings the troubleshooting methodology that exceeds standard, it is characterized in that, described carry out engine electrically line fault get rid of comprise: the fault that the cable measured in engine blower guider between the sensor of fan guider angle and electronic controller is installed is got rid of, and whether the electric wiring of engine blower guider is occurred that the fault of short circuit grounding is got rid of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510765358.8A CN105298890A (en) | 2015-11-11 | 2015-11-11 | Method for excluding swing standard exceeding faults of fan guider of aero-engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510765358.8A CN105298890A (en) | 2015-11-11 | 2015-11-11 | Method for excluding swing standard exceeding faults of fan guider of aero-engine |
Publications (1)
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| CN105298890A true CN105298890A (en) | 2016-02-03 |
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| CN201510765358.8A Pending CN105298890A (en) | 2015-11-11 | 2015-11-11 | Method for excluding swing standard exceeding faults of fan guider of aero-engine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596360A (en) * | 2018-11-29 | 2019-04-09 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of aeroengine thrust augmentation state efflux door swing troubleshooting methodology |
| CN111208797A (en) * | 2019-12-20 | 2020-05-29 | 四川大学 | Integrated tester for electronic regulator of aircraft aeroengine |
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- 2015-11-11 CN CN201510765358.8A patent/CN105298890A/en active Pending
Patent Citations (5)
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| RU2314509C1 (en) * | 2006-12-27 | 2008-01-10 | Открытое акционерное общество "Московское машиностроительное предприятие им. В.В. Чернышева" | Device for determination of static moment of aircraft engine compressor blades |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596360A (en) * | 2018-11-29 | 2019-04-09 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of aeroengine thrust augmentation state efflux door swing troubleshooting methodology |
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| CN111208797A (en) * | 2019-12-20 | 2020-05-29 | 四川大学 | Integrated tester for electronic regulator of aircraft aeroengine |
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Application publication date: 20160203 |
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