CN102505992A - Out-of-operation oil seal test system of engine and control method thereof - Google Patents
Out-of-operation oil seal test system of engine and control method thereof Download PDFInfo
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- CN102505992A CN102505992A CN2011103299933A CN201110329993A CN102505992A CN 102505992 A CN102505992 A CN 102505992A CN 2011103299933 A CN2011103299933 A CN 2011103299933A CN 201110329993 A CN201110329993 A CN 201110329993A CN 102505992 A CN102505992 A CN 102505992A
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Abstract
The invention relates to an out-of-operation oil seal test system of an engine and a control method thereof, which belong to the technical field of aircraft engines. The system is characterized in that: an oil tank is respectively connected with input ends of an oil return valve and an oil supply valve 2 through an oil supply pump and an oil supply valve 1; an output end of the oil return valve is connected with the oil tank; an output end of the oil supply valve 2 is respectively connected with input ends of oil supply valves 5,3 and 4; output ends of the oil supply valves 5,3 and 4 are respectively connected with five transmission pipelines; an output end of a nitrogen gas cylinder is connected with the pipelines after passing through a gas supply valve; and an output end of an energy accumulator is connected with the pipelines. The control method comprises the following steps: firstly pressurizing oil-sealed oil through the oil supply pump; and then passing the oil-sealed oil through 1) a main fuel pump regulator and stress application fuel pump oil supply pipeline, 2) a nozzle oil source pump oil supply pipeline, 3) a stress application fuel pump/stress application distributor/nozzle stress application regulator oil supply pipeline, 4) a stress application distributor/nozzle stress application regulator oil supply pipeline, and 5) a nozzle stress application regulator/main fuel pump regulator oil supply pipeline so as to carry out pressure oil injection on the engine.
Description
Technical field
The invention belongs to the aero engine technology field, particularly relate to a kind of motor do not turn round oil sealing pilot system and controlling method thereof.
Background technique
The oil sealing work of certain emphasis model motor on test bay, is transmitted the motor rotor rotation by starter belt and is carried out always; Taking the service time of test bay stand and the operating life of starter motor, had a strong impact on the test run progress, is the bottleneck of accomplishing annual engine test production task, is unfavorable for the punctual payment of this model motor.Especially return motor factory, that rotor can not rotate for the outfield failover and carry out oil sealing when work, problem is more outstanding.
Summary of the invention
To the problem that existing technology exists, the present invention provides a kind of starter motor that do not need just can realize oil sealing, and the motor that can carry out oil sealing work to the motor that rotor can not rotate do not turn round oil sealing pilot system and controlling method thereof.
To achieve these goals; The present invention adopts following technological scheme; A kind of motor oil sealing pilot system that do not turn round; Comprise fuel tank, fuel tank is connected through the input end of oil feed pump with the first fuel feeding modulating valve, and the output terminal of the first fuel feeding modulating valve is connected with the input end of oil return regulating valve, the second fuel feeding modulating valve respectively; The output terminal of oil return regulating valve is connected with fuel tank, and the output terminal of the second fuel feeding modulating valve is connected with the input end of the 5th fuel feeding modulating valve, the 3rd fuel feeding modulating valve and the 4th fuel feeding modulating valve respectively; The output terminal of the 5th fuel feeding modulating valve is connected with afterburning fuel pump oil feed line with the main fuel pump regulator; The output terminal of the 3rd fuel feeding modulating valve is connected with spout oil sources oil pump feed pipeline, and the output terminal of the 4th fuel feeding modulating valve adds draught control mechanism oil feed line, afterburning Fen Buqi spout with the afterburning Fen Buqi of afterburning Ran Youbeng spout respectively and adds draught control mechanism oil feed line and spout and add Li Tiaojieqi main fuel pump regulator oil feed line and be connected; The output terminal of nitrogen bottle is connected with the pipeline that is connected with the second fuel feeding modulating valve output terminal behind the air feed modulating valve, and the output terminal of accumulator is connected with the pipeline that is connected with the second fuel feeding modulating valve output terminal.
The do not turn round controlling method of oil sealing pilot system of described a kind of motor comprises the steps:
Step 1: close the second fuel feeding modulating valve, the 5th fuel feeding modulating valve, the 3rd fuel feeding modulating valve and the 4th fuel feeding modulating valve, open the air feed modulating valve, and regulate the air feed modulating valve, make nitrogen pressure in the nitrogen pipeline that gets into motor reach the requirement of regulation;
Step 2: open the 5th fuel feeding modulating valve, motor main fuel pump regulator and afterburning fuel pump oil feed line are carried out the nitrogen gas pressure blowing;
Step 3: close the 5th fuel feeding modulating valve, open the 3rd fuel feeding modulating valve, engine nozzle oil sources oil pump feed pipeline is carried out nitrogen gas pressure blow down;
Step 4: close the 3rd fuel feeding modulating valve; Open the 4th fuel feeding modulating valve, the afterburning Fen Buqi of the afterburning Ran Youbeng of motor spout is added draught control mechanism oil feed line, afterburning Fen Buqi spout add draught control mechanism oil feed line and spout and add Li Tiaojieqi main fuel pump regulator oil feed line and carry out nitrogen gas pressure and blow down;
Step 5: close the 4th fuel feeding modulating valve, motor is carried out nitrogen gas pressure blow down end-of-job;
Step 6: close the air feed modulating valve, open the first fuel feeding modulating valve, oil return regulating valve and the second fuel feeding modulating valve, and regulate the oil return regulating valve and the second fuel feeding modulating valve, make oil sealing oil pressure in the oil feed line that gets into motor reach the requirement of regulation;
Step 7: open the 5th fuel feeding modulating valve, the main fuel pump regulator and the afterburning fuel pump oil feed line of motor carried out oil sealing;
Step 8: close the 5th fuel feeding modulating valve, open the 3rd fuel feeding modulating valve, the spout oil sources oil pump feed pipeline of motor is carried out oil sealing;
Step 9: close the 3rd fuel feeding modulating valve; Open the 4th fuel feeding modulating valve, the afterburning Fen Buqi of the afterburning Ran Youbeng spout of motor is added draught control mechanism oil feed line, afterburning Fen Buqi spout add draught control mechanism oil feed line and spout and add Li Tiaojieqi main fuel pump regulator oil feed line and carry out oil sealing;
Step 10: close the 4th fuel feeding modulating valve, the second fuel feeding modulating valve, oil return regulating valve and the first fuel feeding modulating valve, the oil sealing end-of-job.
Beneficial effect of the present invention:
Oil sealing pilot system of the present invention and controlling method thereof do not need starter motor just can realize oil sealing, and can carry out oil sealing work to the motor that rotor can not rotate.Through debugging and the use of motor in engine test factory, the present invention satisfies the needs of engine interior oil sealing fully.
Description of drawings
Fig. 1 is the schematic diagram of pilot system of the present invention;
Among the figure, 1-fuel tank, 2-oil feed pump, 3-support; 4-nitrogen bottle, 5-motor, 6-accumulator, 7-air feed modulating valve; 8-the first fuel feeding modulating valve, 9-oil return regulating valve, 10-the second fuel feeding modulating valve, 11-the five fuel feeding modulating valve; 12-the three fuel feeding modulating valve, 13-the four fuel feeding modulating valve, 1.-main fuel pump regulator and afterburning fuel pump oil feed line, 2.-spout oil sources oil pump feed pipeline; 3.-the afterburning Fen Buqi of afterburning Ran Youbeng spout adds the draught control mechanism oil feed line, 4.-afterburning Fen Buqi spout adds the draught control mechanism oil feed line, 5.-spout adds Li Tiaojieqi main fuel pump regulator oil feed line.
Embodiment
As shown in Figure 1; A kind of motor oil sealing pilot system that do not turn round; Comprise fuel tank 1, fuel tank 1 is connected through the input end of oil feed pump 2 with the first fuel feeding modulating valve 8, and the output terminal of the first fuel feeding modulating valve 8 is connected with the input end of oil return regulating valve 9, the second fuel feeding modulating valve 10 respectively; The output terminal of oil return regulating valve 9 is connected with fuel tank 1, and the output terminal of the second fuel feeding modulating valve 10 is connected with the input end of the 5th fuel feeding modulating valve 11, the 3rd fuel feeding modulating valve 12 and the 4th fuel feeding modulating valve 13 respectively; 1. the output terminal of the 5th fuel feeding modulating valve 11 is connected with afterburning fuel pump oil feed line with the main fuel pump regulator; 2. the output terminal of the 3rd fuel feeding modulating valve 12 is connected with spout oil sources oil pump feed pipeline, the output terminal of the 4th fuel feeding modulating valve 13 respectively with the afterburning Fen Buqi of afterburning Ran Youbeng spout add the draught control mechanism oil feed line 3., afterburning Fen Buqi spout adds the draught control mechanism oil feed line and 4. reaches spout and add Li Tiaojieqi main fuel pump regulator oil feed line and 5. be connected; The output terminal of nitrogen bottle 4 is connected with the pipeline that is connected with the second fuel feeding modulating valve, 10 output terminals behind air feed modulating valve 7, and the output terminal of accumulator 6 is connected with the pipeline that is connected with the second fuel feeding modulating valve, 10 output terminals.
The do not turn round controlling method of oil sealing pilot system of described a kind of motor comprises the steps:
Step 1: close the second fuel feeding modulating valve, the 5th fuel feeding modulating valve, the 3rd fuel feeding modulating valve and the 4th fuel feeding modulating valve, open the air feed modulating valve, and regulate the air feed modulating valve, make nitrogen pressure in the nitrogen pipeline that gets into motor reach the requirement of regulation;
Step 2: open the 5th fuel feeding modulating valve, motor main fuel pump regulator and afterburning fuel pump oil feed line are carried out the nitrogen gas pressure blowing;
Step 3: close the 5th fuel feeding modulating valve, open the 3rd fuel feeding modulating valve, engine nozzle oil sources oil pump feed pipeline is carried out nitrogen gas pressure blow down;
Step 4: close the 3rd fuel feeding modulating valve; Open the 4th fuel feeding modulating valve, the afterburning Fen Buqi of the afterburning Ran Youbeng of motor spout is added draught control mechanism oil feed line, afterburning Fen Buqi spout add draught control mechanism oil feed line and spout and add Li Tiaojieqi main fuel pump regulator oil feed line and carry out nitrogen gas pressure and blow down;
Step 5: close the 4th fuel feeding modulating valve, motor is carried out nitrogen gas pressure blow down end-of-job;
Step 6: close the air feed modulating valve, open the first fuel feeding modulating valve, oil return regulating valve and the second fuel feeding modulating valve, and regulate the oil return regulating valve and the second fuel feeding modulating valve, make oil sealing oil pressure in the oil feed line that gets into motor reach the requirement of regulation;
Step 7: open the 5th fuel feeding modulating valve, the main fuel pump regulator and the afterburning fuel pump oil feed line of motor carried out oil sealing;
Step 8: close the 5th fuel feeding modulating valve, open the 3rd fuel feeding modulating valve, the spout oil sources oil pump feed pipeline of motor is carried out oil sealing;
Step 9: close the 3rd fuel feeding modulating valve; Open the 4th fuel feeding modulating valve, the afterburning Fen Buqi of the afterburning Ran Youbeng spout of motor is added draught control mechanism oil feed line, afterburning Fen Buqi spout add draught control mechanism oil feed line and spout and add Li Tiaojieqi main fuel pump regulator oil feed line and carry out oil sealing;
Step 10: close the 4th fuel feeding modulating valve, the second fuel feeding modulating valve, oil return regulating valve and the first fuel feeding modulating valve, the oil sealing end-of-job.
The present invention at first pressurizes to oil sealing oil through oil feed pump when carrying out oil sealing work, reaches the pressure requirement of regulation; Oil sealing oil through 5 transfer conduit is respectively: 1) main fuel pump regulator and afterburning fuel pump oil feed line then; 2) spout oil sources oil pump feed pipeline; 3) the afterburning Fen Buqi of afterburning Ran Youbeng spout adds the draught control mechanism oil feed line; 4) afterburning Fen Buqi spout adds the draught control mechanism oil feed line; 5) spout adds Li Tiaojieqi main fuel pump regulator oil feed line, arrives the working position at motor connecting-tube nozzle place, each oil-fired system annex of motor is carried out the pressure oiling, and then accomplish the oil sealing work of not turning round of motor.
The present invention as gas pressure source, adjusts to nitrogen pressure through 1 air feed modulating valve the requirement of regulation with nitrogen bottle when carrying out oil sealing work; The transfer conduit of fuel oil through above-mentioned 5 oil sealings oil be the nitrogen injection engine, and then accomplish the pressure blowing work of nitrogen to each oil-fired system annex of motor.
The present invention at first carries out nitrogen gas pressure blowing work to each oil-fired system annex of motor when carrying out oil sealing work, blow clean the residue oil plant of internal system, then each oil-fired system annex of motor is carried out the pressure oiling, accomplishes oil sealing work.
Claims (2)
1. motor oil sealing pilot system that do not turn round; It is characterized in that; Comprise fuel tank, fuel tank is connected through the input end of oil feed pump with the first fuel feeding modulating valve, and the output terminal of the first fuel feeding modulating valve is connected with the input end of oil return regulating valve, the second fuel feeding modulating valve respectively; The output terminal of oil return regulating valve is connected with fuel tank, and the output terminal of the second fuel feeding modulating valve is connected with the input end of the 5th fuel feeding modulating valve, the 3rd fuel feeding modulating valve and the 4th fuel feeding modulating valve respectively; The output terminal of the 5th fuel feeding modulating valve is connected with afterburning fuel pump oil feed line with the main fuel pump regulator; The output terminal of the 3rd fuel feeding modulating valve is connected with spout oil sources oil pump feed pipeline, and the output terminal of the 4th fuel feeding modulating valve adds draught control mechanism oil feed line, afterburning Fen Buqi spout with the afterburning Fen Buqi of afterburning Ran Youbeng spout respectively and adds draught control mechanism oil feed line and spout and add Li Tiaojieqi main fuel pump regulator oil feed line and be connected; The output terminal of nitrogen bottle is connected with the pipeline that is connected with the second fuel feeding modulating valve output terminal behind the air feed modulating valve, and the output terminal of accumulator is connected with the pipeline that is connected with the second fuel feeding modulating valve output terminal.
2. the described a kind of motor of claim 1 controlling method of oil sealing pilot system that do not turn round is characterized in that, comprises the steps:
Step 1: close the second fuel feeding modulating valve, the 5th fuel feeding modulating valve, the 3rd fuel feeding modulating valve and the 4th fuel feeding modulating valve, open the air feed modulating valve, and regulate the air feed modulating valve, make nitrogen pressure in the nitrogen pipeline that gets into motor reach the requirement of regulation;
Step 2: open the 5th fuel feeding modulating valve, motor main fuel pump regulator and afterburning fuel pump oil feed line are carried out the nitrogen gas pressure blowing;
Step 3: close the 5th fuel feeding modulating valve, open the 3rd fuel feeding modulating valve, engine nozzle oil sources oil pump feed pipeline is carried out nitrogen gas pressure blow down;
Step 4: close the 3rd fuel feeding modulating valve; Open the 4th fuel feeding modulating valve, the afterburning Fen Buqi of the afterburning Ran Youbeng of motor spout is added draught control mechanism oil feed line, afterburning Fen Buqi spout add draught control mechanism oil feed line and spout and add Li Tiaojieqi main fuel pump regulator oil feed line and carry out nitrogen gas pressure and blow down;
Step 5: close the 4th fuel feeding modulating valve, motor is carried out nitrogen gas pressure blow down end-of-job;
Step 6: close the air feed modulating valve, open the first fuel feeding modulating valve, oil return regulating valve and the second fuel feeding modulating valve, and regulate the oil return regulating valve and the second fuel feeding modulating valve, make oil sealing oil pressure in the oil feed line that gets into motor reach the requirement of regulation;
Step 7: open the 5th fuel feeding modulating valve, the main fuel pump regulator and the afterburning fuel pump oil feed line of motor carried out oil sealing;
Step 8: close the 5th fuel feeding modulating valve, open the 3rd fuel feeding modulating valve, the spout oil sources oil pump feed pipeline of motor is carried out oil sealing;
Step 9: close the 3rd fuel feeding modulating valve; Open the 4th fuel feeding modulating valve, the afterburning Fen Buqi of the afterburning Ran Youbeng spout of motor is added draught control mechanism oil feed line, afterburning Fen Buqi spout add draught control mechanism oil feed line and spout and add Li Tiaojieqi main fuel pump regulator oil feed line and carry out oil sealing;
Step 10: close the 4th fuel feeding modulating valve, the second fuel feeding modulating valve, oil return regulating valve and the first fuel feeding modulating valve, the oil sealing end-of-job.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110329993 CN102505992B (en) | 2011-10-26 | 2011-10-26 | Out-of-operation oil seal test system of engine and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110329993 CN102505992B (en) | 2011-10-26 | 2011-10-26 | Out-of-operation oil seal test system of engine and control method thereof |
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| CN102505992A true CN102505992A (en) | 2012-06-20 |
| CN102505992B CN102505992B (en) | 2013-10-23 |
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| CN 201110329993 Expired - Fee Related CN102505992B (en) | 2011-10-26 | 2011-10-26 | Out-of-operation oil seal test system of engine and control method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720598A (en) * | 2012-06-25 | 2012-10-10 | 中国南方航空工业(集团)有限公司 | Ground oil sealing device |
| CN104595034A (en) * | 2014-11-07 | 2015-05-06 | 沈阳黎明航空发动机(集团)有限责任公司 | Washing method of aeroengine lubricating oil system |
| CN105484875A (en) * | 2015-10-27 | 2016-04-13 | 沈阳黎明航空发动机(集团)有限责任公司 | Fuel supply system suitable for emergency state |
| CN106837556A (en) * | 2016-08-23 | 2017-06-13 | 哈尔滨东安发动机（集团）有限公司 | A kind of oil enveloping structure of aircraft engine fuel oil system |
| CN107035534A (en) * | 2016-11-23 | 2017-08-11 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of general complete machine of aero-engine and annex oil-sealing arrangement |
| CN107061018A (en) * | 2016-08-23 | 2017-08-18 | 哈尔滨东安发动机（集团）有限公司 | A kind of oil sealing method of aircraft engine fuel oil system |
| CN108150823A (en) * | 2017-11-21 | 2018-06-12 | 北京动力机械研究所 | Aircraft starts the long-term storage method of fuel oil with fanjet |
| CN113710886A (en) * | 2019-04-22 | 2021-11-26 | 康明斯公司 | Method and system for residual fluid release in a fuel pump |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720598B (en) * | 2012-06-25 | 2014-06-11 | 中国南方航空工业(集团)有限公司 | Ground oil sealing device |
| CN102720598A (en) * | 2012-06-25 | 2012-10-10 | 中国南方航空工业(集团)有限公司 | Ground oil sealing device |
| CN104595034A (en) * | 2014-11-07 | 2015-05-06 | 沈阳黎明航空发动机(集团)有限责任公司 | Washing method of aeroengine lubricating oil system |
| CN104595034B (en) * | 2014-11-07 | 2016-02-10 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of purging method of Aero-Engine Lubrication System |
| CN105484875A (en) * | 2015-10-27 | 2016-04-13 | 沈阳黎明航空发动机(集团)有限责任公司 | Fuel supply system suitable for emergency state |
| CN107061018B (en) * | 2016-08-23 | 2021-03-23 | 哈尔滨东安发动机（集团）有限公司 | Oil sealing method for aircraft engine fuel system |
| CN106837556A (en) * | 2016-08-23 | 2017-06-13 | 哈尔滨东安发动机（集团）有限公司 | A kind of oil enveloping structure of aircraft engine fuel oil system |
| CN107061018A (en) * | 2016-08-23 | 2017-08-18 | 哈尔滨东安发动机（集团）有限公司 | A kind of oil sealing method of aircraft engine fuel oil system |
| CN106837556B (en) * | 2016-08-23 | 2024-05-28 | 哈尔滨东安发动机（集团）有限公司 | Oil seal structure of aeroengine fuel system |
| CN107035534A (en) * | 2016-11-23 | 2017-08-11 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of general complete machine of aero-engine and annex oil-sealing arrangement |
| CN107035534B (en) * | 2016-11-23 | 2018-11-02 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of general complete machine of aero-engine and attachment oil-sealing arrangement |
| CN108150823B (en) * | 2017-11-21 | 2019-11-15 | 北京动力机械研究所 | Aircraft starts the long-term storage method of fuel oil with fanjet |
| CN108150823A (en) * | 2017-11-21 | 2018-06-12 | 北京动力机械研究所 | Aircraft starts the long-term storage method of fuel oil with fanjet |
| CN113710886A (en) * | 2019-04-22 | 2021-11-26 | 康明斯公司 | Method and system for residual fluid release in a fuel pump |
| CN113710886B (en) * | 2019-04-22 | 2024-01-05 | 康明斯公司 | Method and system for residual fluid release in a fuel pump |
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