Locomotive switch knob assembly

The utility model relates to a locomotive switch knob assembly. A switch knob group is divided into a starting type switch and an illumination type switch, wherein the starting type switch is provided with an electric interlocking device and a mechanical interlocking device, and the illumination type switch is not provided with the mechanical interlocking device. The switch knob group is composed of a big switch knob group 1 and a small switch knob group 2, and the big switch knob group comprises the illumination type switch and the starting type switch. The illumination type switch is composed of a front illumination lamp switch, an assisting lamp switch, an identifying lamp switch, an instrument lamp switch and a cab lamp switch, and the starting type switch is composed of a main breaking switch, a pantograph switch, a phase splitter switch, a compressor switch, a ventilator switch, a brake fan and a standby switch. The small switch knob group comprises the lamp switch of each room, a passageway lamp switch and a standby switch serving as the standby switch in the switch group. Furthermore, a driver key switch is arranged beside the starting type switch, the driver key switch is provided with a mechanical interlocking structure and an electric interlocking structure, and the driver key switch is interlocked with the starting type switch.