Design method of engine thrust measurement and calibration device

• Main Authors: HE LICHUN, WEI LINZHANG, ZHAO MING, CUI ZHI, ZHAO FEI, REN YU, DU YIFAN, ZHANG SUWEN, WANG YUPING, HUANG PENGHUI, XIAO JINGJING, YANG ZHIYUE, KOU XIN, SHU YIHAN, LYU XIN
• Format: Patent
• Language: Chinese; English
• Published: 26.03.2024
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

The invention relates to a method for designing an engine thrust measurement and calibration device. The method comprises the steps of determining device design indexes, selecting a sensor and a standard force source, determining a device structure, designing a movable frame and a fixed frame, designing a spring piece group, designing a pre-tightening force mechanism, designing a front loading mechanism, calculating a thrust transfer coefficient, designing thermal protection and designing a measurement and control system. According to the method, through three-dimensional modeling, simulation calculation and repeated iterative optimization in the design stage, it is ensured that all performances of the thrust measurement calibration device reach design indexes. Through the structural topology optimization design, the weight of the device is greatly reduced while the structural strength and rigidity are guaranteed. A dual-output sensor is selected as a measuring force sensor, redundant measurement is carried o