RAIL VEHICLE CURRENT COLLECTOR Russian patent published in 2002 - IPC

FIELD: railway transport; high-speed electric trains. SUBSTANCE: current collector has trolley installed on semipantograph. Lower and upper articulated carrying links are secured on main shaft. Semipantograph is arranged on insulated base and is provided with cushioning system. Flexible elements of cushioning system are made in form of torsion bars arranged inside hollow base. Free ends of each torsion bar are coupled through kinematic drive with lower carrying link of semipantograph, and opposite ends rigidly fitted in base. Opposite end of one of torsion bars is connected with shaft of lifting/lowering mechanism rive. EFFECT: reduced energy consumption and power of lifting/lowering mechanism drive. 5 cl, 2 dwg