Airplane integral fuel tank oil tightness test device

• Main Authors: SU QIANLING, LU QINGJIE, SHEN HANXI, ZHOU DENGYU
• Format: Patent
• Language: Chinese; English
• Published: 21.11.2023
• Subjects: MEASURING; PHYSICS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR

The utility model provides an aircraft integral fuel tank oil tightness test device, which comprises an oil filling pipeline, a fuel pump, a fuel pump, a fuel pump and a fuel pump, wherein the oil filling pipeline is connected with an aircraft integral fuel tank; the static pressure pressurization oil tank is arranged above the aircraft integral oil tank, and the static pressure pressurization oil tank is communicated with the aircraft integral oil tank through an oil way; wherein the highest liquid level is set in the static pressure pressurization oil tank, the highest liquid level is determined based on a target pressure value, and the refueling pipeline is used for refueling the aircraft integral oil tank and the static pressure pressurization oil tank in sequence until the oil reaches the highest liquid level; according to the oil tightness test device for the overall fuel tank of the airplane, the overall fuel tank is pressurized through hydrostatic pressure in the test process, the pressure value is se