Plywood bottom support special for packaging and transporting electric control cabinet

The utility model relates to the technical field of electric control cabinets, in particular to a plywood bottom support special for packaging and transporting the electric control cabinets, which is provided with a main bottom plate and an auxiliary bottom plate, the main bottom plate and the auxiliary bottom plate are connected through a telescopic column, a threaded rod and a threaded pipe sleeve, and a connecting cavity is communicated with a mounting cavity. A first gear is arranged on the surface of the rotating rod, one end of the threaded pipe sleeve is connected with a second gear in the connecting cavity, the second gear corresponds to the first gear in position, and the first gear and the second gear are connected in an engaged mode, so that the distance between the main bottom plate and the auxiliary bottom plate is adjusted by adjusting the rotating hand wheel; electric control cabinets with different sizes can be borne; protective pads are laid on the tops of the main bottom plate and the auxili