Assembly type high-low voltage switch cabinet convenient to combine

The invention belongs to the field of high-low voltage switch cabinets, and particularly relates to a conveniently-combined assembly type high-low voltage switch cabinet which comprises a cabinet body, a transverse plate for separating an upper cavity and a lower cavity is arranged in the cabinet body, and the upper portion of the transverse plate is divided into two cavities through a partition plate; the lower cavity is provided with a movable plate mechanism, the movable plate mechanism comprises a movable plate for separating the lower cavity, a notch is formed in the movable plate, a track is installed on the top of the movable plate, a cover plate is installed on the track in a sliding mode, and the movable plate is controlled by a distance adjusting mechanism to move in the lower cavity; a bus box body and a relay box body are respectively arranged in two cavities of the upper cavity, and a circuit breaker box body is arranged in the lower cavity separated by the movable plate; each electronic device i