The invention provides a dual-redundancy angular displacement actuator which comprises a first single actuator, a second single actuator and two sensors, the first single actuator and the second single actuator are connected face to face, the two sensors are installed on the two sides, and the sensors comprise position feedback sensors or dual-redundancy angular displacement potentiometers. The first single actuator and the second single actuator are the same in structure, and turbine worm reducing mechanisms with self-locking functions are arranged in the first single actuator and the second single actuator. The dual-redundancy angular displacement actuator is of a completely independent dual-redundancy structure, when one channel breaks down, the turbine and worm self-locking mechanism prevents power from being transmitted in the two single actuators, the output speed is reduced to half of the rated speed, in addition, a brake in a common dual-redundancy speed coupling mechanism can be omitted, the control logic complexity is reduced, and the speed coupling efficiency is improved. The product reliability is improved; a self-locking mechanism in the product can prevent instant reverse rotation during heavy load starting, soft starting can be set for stable starting, and current impact is reduced.
本发明提供了一种双余度角位移作动器,所述双余度角位移作动器包括面对面相连接的第一单作动器和第二单作动器、以及安装在两侧的两个传感器,所述传感器包括位置反馈传感器或双余度角位移电位计,所述第一单作动器与所述第二单作动器结构相同,所述第一单作动器和第二单作动器内均设有带有自锁功能的涡轮蜗杆减速机构。本发明双余度角位移作动器为完全独立的双余度架构,当一个通道故障后涡轮蜗杆自锁机构阻止了动力在两个单作动器内部传动,输出速度降为额定速度的一半,另外可省去一般双余度速度耦合机构中的制动器,降低了控制逻辑复杂度,提高了产品可靠性;产品内部自锁机构可防止重负载起动时瞬时反向转动,可设置软启动进行平稳起动,减小电流冲击。
Dual-redundancy angular displacement actuator
一种双余度角位移作动器
2023-04-04
Patent
Electronic Resource
Chinese
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