The invention provides a manual safety switch for an electric switch machine. The manual safety switch comprises a manual rod, a limiting movable plug frame, a static plug frame and a connecting rod mechanism. A static plug group is assembled on the static plug frame, and the static plug frame is fixedly connected with a bottom shell; a safety contact group is assembled on the limiting movable plug frame; a static contact piece of the static plug group corresponds to a movable contact ring of a safe power connection group in position; the limiting movable plug frame is connected with a manualrod, the manual rod penetrates through the bottom shell, the manual rod drives the limiting movable plug frame to move, and the connection and disconnection of the movable contact ring and the staticcontact piece are achieved. The limiting movable plug frame is connected with a baffle plate through a connecting rod mechanism. According to the invention, the manual rod is rotated through a specialwrench, so that the switching between disconnection and connection of the safety contact is realized, and the reliability of the manual safety contact is ensured.
本发明提供了一种电动转辙机用手动安全开关,包括手动杆、限位动插头架、静插头架以及连杆机构;所述静插头架上装配静插头组,且静插头架与底壳固定连接;所述限位动插头架上装配安全接点组;静插头组的静接点片与安全接电组的动接点环位置相对应;限位动插头架与手动杆连接,手动杆穿过底壳,手动杆带动限位动插头架位置移动,实现动接点环与静接点片的连接与断开;限位动插头架通过连杆机构连接挡板。本发明通过专用扳手转动手动杆,实现断开、接通安全接点的转换,保证了手动安全接点的可靠性。
Manual safety switch for electric switch machine
一种电动转辙机用手动安全开关
2020-09-15
Patent
Electronic Resource
Chinese