Block control system for self-propelled vehicles

Details Block control system for self-propelled vehicles Block control system for self-propelled vehicles

1978-05-18

1980-10-14

Eisenzopf, Reinhard J.

Railway switches and signals

Cab signal or train control

Motive-power control

246131, B61L 2106, B61L 2110

Patent

active

042276667

ABSTRACT:
A block control system for wheeled, track-mounted vehicles each having a driving motor energized from power conductor rails extending parallel to the track through collector shoes mounted on the vehicle. A track layout is provided with two or more successive traffic control blocks each having a signalling section of conductor bar electrically connected to a blocking section of conductor bar in the next trailing block. The signalling and blocking conductor bar sections are engageable respectively by separate signalling and blocking contact shoes carried by each vehicle. A block control relay on each vehicle includes a contact in series with the vehicle driving motor control circuit, and the operational state of this relay is controlled by a circuit which is established through the signalling and blocking contact shoes and the conductor bar sections engaged thereby and which applies a blocking signal to the relay of a vehicle in a trailing block in response to the presence of a vehicle in a leading block. Alternative constructions are disclosed for stopping the vehicle in response to energization or to de-energization of the relay, and for controlling the relay by trackside-mounted circuits.

REFERENCES:
patent: 1418151 (1922-05-01), Lindig
patent: 1877626 (1932-09-01), Loughridge
patent: 3963203 (1976-06-01), Pascoe

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