Lubricant pump testing device for automatically measuring flow of aeroengine and control method thereof
An aero-engine, automatic measurement technology, applied in the field of aero-engine, can solve the problems of low accuracy and low efficiency of manual reading, and achieve the effect of shortening test time, simple operation, improving production efficiency and measurement accuracy
Inactive Publication Date: 2014-05-07
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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Problems solved by technology
[0004] Aiming at the problem that the existing lubricating oil pump test device adopts the method of measuring the volume of the oil tank, and judges whether the pump under test is qualified by manually reading the flow value; the accuracy of the manual reading is very low and the efficiency is very low, the present invention provides a method that can better improve production Efficiency, improving verification accuracy, automating the verification process, programmed aero-engine flow automatic measurement lubricating pump test device and its control method
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[0028] Technical parameter of the present invention is as follows:
[0029] Working medium: aviation lubricating oil HP-8A;
[0030] Working medium temperature: 65~80℃;
[0031] Working pressure range: 0~0.6MPa;
[0032] Filtration accuracy: 12~16μm;
[0033] Output speed: 0 ~ 10200r / min continuously adjustable;
[0034] Maximum flow: 240L / min;
[0035] The error between the flow rate of the test device and all standard pumps: ±0.2L;
[0036] Sensor accuracy: 2‰;
[0037] Material: all stainless steel (1Cr18Ni9Ti);
[0038] Data processing: automatic data collection, processing and printing;
[0039] Control mode: automatic control.
[0040] The hardware configuration of the present invention is shown in Table 1.
[0041]
[0042]
[0043] Such as figure 1 As shown, an aeroengine flow automatic measurement lubricating oil pump test device includes the tested pump, the supply fuel tank is connected to the tested pump through the consumption fuel tank, and the DC...
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The invention discloses a lubricant pump testing device for automatically measuring the flow of an aeroengine and a control method thereof and belongs to the technical field of aeroengines. The lubricant pump testing device comprises a tested pump which is connected with a supplementation oil tank through a consumption oil tank; a direct current motor is connected with the tested pump through a speed-increasing gearbox; a data acquisition unit is connected with an electrical system which is connected with a computer; one path of the electrical system is connected with the tested pump through a pressure regulating unit; the other path of the electrical system is connected with the speed-increasing gearbox through the lubricating oil tank of the speed-increasing gearbox; another path of the electrical system is directly connected with a direct current motor. The control method comprises the following steps of: starting the device; setting the temperature of the supplementation oil tank, the temperature and oil level of the consumption oil tank, the rotating speed and the pressure; mounting an oil pump; turning on an oil supply switch; starting the speed-increasing gearbox for lubricating, a ventilator and the main direct current motor; after the system is stabilized, metering the flow value and comparing the measured flow value with a standard value to judge to be qualified; regulating the outlet pressure of the tested pump to zero; detaching various oil pipes and oil pumps; and closing the equipment.
Description
technical field [0001] The invention belongs to the technical field of aero-engines, in particular to an aero-engine flow automatic measurement lubricating pump test device and a control method thereof, which are used for flow and run-in tests before the aero-engine is assembled. Background technique [0002] At present, the existing lubricating oil pump test device consists of three parts, which are the structural part of the test device, the hydraulic system part and the electrical system part. The structure of the test device consists of a tester motor mounting seat, a wall-penetrating mechanism, a fuel tank, a metering fuel tank, a console and an oil tank; the hydraulic system consists of a fuel tank, an oil pump, an oil filter, a solenoid valve, an overflow valve, a one-way valve, and a pressure gauge. , joints and integrated blocks, etc.; the electrical system is composed of DC governor, DC motor, contactor, time relay, switch, button, circuit breaker, fuse, signal lam...
Claims
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IPC IPC(8): G01M15/00
Inventor 董秀丽张荆德刘玫江应栋
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION