QG-120(B-BJL6) type pantograph is a pantograph for metro vehicles
The bowing and lowering movements are realized by the inflation and exhaust of the air spring. The type of the bow of the pantograph is equipped with four skateboard strips, which can meet the needs of the railroad vehicles to draw large current. This type of pantograph is configured. There is a lifting bow control unit, and the ADD system and the bow control device can be configured as needed. The control of the pantograph lifting time and the static contact pressure can be achieved by the raising bow control unit.
