DEVICE FOR CONTROLLING SPIN AND TIGHTNESS OF RAMPS TO FRAME RAILS Russian patent published in 2024 - IPC B61L5/06 B61L7/08 B61L23/00 

FIELD: railroad engineering; electrical engineering.

SUBSTANCE: device for monitoring the tightness of contact of the ramp to the frame rails contains a three-phase alternating voltage source, individual alternating voltage phase fuses, primary power windings of current transformers, three tee contacts of a neutral switch start relay, contacts of a polarized switch start relay, a cable line, auto-switch contacts of a point electric drive, a switch motor AC current, half-wave rectifier with current limiter, switch position control relay, adjustment resistor, turn-off capacitor, control circuit transformer connected to the control circuit AC source, open-circuit transformer sensors, full-wave rectifier, front contacts of the switch state control relay, additional transformer, resistor limiter, primary capacitor and secondary capacitor.

EFFECT: improved reliability of operation of the circuit for monitoring the state of the ramp electric drive.

1 cl, 1 dwg