CURRENT COLLECTOR Russian patent published in 2004 - IPC

Abstract RU 2232686 C2

FIELD: transport engineering; electrified transport.

SUBSTANCE: invention relates to current collectors interacting with contact system, mainly, two-wire trolleybus system. Proposed current collector contains spring-loaded pole installed on base for turning on horizontal and vertical axles and coupled with hydraulic cylinder connected with pressure and drain main line by electromagnetic distributor, current relay, limit switch and self-contained supply source. To improve safety of operation of current collector drive, rod of hydraulic cylinder is coupled with pole, and housing, with base. To preclude false operations of current collector drive it is furnished additionally with pressure relay and relay with normally-closed and normally-open contacts. Moreover, electromagnetic distributor is made three-position, with two electromagnets, one electromagnet being connected to circuit formed by series-connected contact of pressure relay connected with space of hydraulic cylinder opposite to rod, contact of current relay, normally-closed contact of relay and supply source, and other electromagnet is connected to supply source through normally-open contact of relay, and winding of relay is connected with supply source by limit switch.

EFFECT: improved safety at dewirement of pole rollers owing to self-setting of pole in safe position, prevention of emergency situations on line.

2 dwg

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RU 2 232 686 C2

Authors

Golubev M.P.

Kulakov A.V.

Romanenkov A.P.

Dates

2004-07-20Published

2002-09-20Filed