Electronic operating mechanism of three -workers' bit switch

The utility model relates to an electronic operating mechanism of three -workers' bit switch. Including actuating mechanism, and have the indicating mechanism who instructs the cover, the ball that actuating mechanism includes motor, dropout protection system, is connected with dropout protection system, the utility model discloses the rotating output shaft of motor directly links with dropout protection system's rotation axis, and dropout protection system's transmission cuff belt moves the ball rotation. Transmission between the looks counter gear unit, a serial communication port, the utility model discloses simple structure, the operation is stable, safe and reliable. 本实用新型涉及种三工位开关电动操动机构。包括驱动机构，及带有指示罩的指示机构；所述驱动机构包括电机、脱扣保护系统、与脱扣保护系统连接的滚珠丝杠，本实用新型电机的旋转输出轴与脱扣保护系统的旋转轴直连，脱扣保护系统的传动套带动滚珠丝杠旋转。相对齿轮机组之间的传动，本实用新型降低了能耗，降低了三工位开关电动操动机构的生产成本；本实用新型结构简单，运行稳定，安全可靠。