FIELD: transportation.
SUBSTANCE: invention relates to railroad transport. Electric switch mechanism in hollow metal bar with device for monitoring position of rain screen walls contains hollow metal bar with switch device drive and consists of distributing box, frequency converter, engine unit, unit of linear drive, locking device position control unit, unit of locker and switching unit, external locker, providing for closure of pressed between switch blade on frame rail, pivotally connected with linear drive with cleat connection with frame rails and switch points, protection covers against blockages and precipitation. Unit of external locker additionally contains device controlling position of rain screen walls consisting of drive lever, elastic spring, cam mechanism, mechanical end position sensor and inductive transducer for monitoring position of plate movement and closing rain screen walls. Cam working part of cam mechanism is described by circle equation.
EFFECT: result is increase in reliability of railway transfer, and safety of train movement.
8 cl, 3 dwg
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