Device for mechanically and electrically monitoring the adjustment drive of points motors

摘要

In a device for checking the operation of devices ( 4 ) used to displace movable switch parts ( 2, 3 ), in which the movable switch parts ( 2, 3 ) are connected with each other by a coupling rod ( 13 ), the coupling rod ( 13 ) is comprised of two coupling rod parts ( 14, 15 ) that are relatively movable in the axial direction. Sensors ( 34, 35 ) are provided for the detection of at least two different displacement positions of the coupling rod parts ( 14, 15 ).