Dual-redundancy direct-drive type two-stage ball screw pair aviation electric steering engine

• Main Authors: WU CHANGLIN, ZHAO WENJU, XIE JUNHAI, SUN JIAN
• Format: Patent
• Language: Chinese; English
• Published: 03.01.2023
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERATION

The invention provides a dual-redundancy direct-drive type two-stage ball screw pair aviation electric steering engine, and belongs to the technical field of aviation electric steering engines. Comprising a permanent magnet synchronous motor assembly, an electromagnetic brake assembly, a two-stage ball screw pair, a linear displacement sensor, a rotary transformer, an electric connector, an output lug and a structure supporting piece. According to the electric steering engine, the double permanent magnet synchronous motors are coaxially connected in series, and the two-stage ball screw pair is directly driven to efficiently output force and speed; and a dual-redundancy brake is arranged, so that the stability of the control surface under the power-off condition is ensured, and the working position precision is ensured through a dual-redundancy rotary transformer and a linear displacement sensor. 本发明提供了一种双余度直驱式两级滚珠丝杠副航空电动舵机，属于航空电动舵机技术领域。包括：永磁同步电机组件、电磁制动器组件、两级滚珠丝杠副、直线位移传感器、旋转变压器、电连接器、输出耳和结构支撑件。本发明的电动舵机采用双永磁同步电机