Electric overhead working truck with tool car function

The invention discloses an electric overhead working truck with functions of a tool car, and relates to the technical field of overhead working trucks, the electric overhead working truck comprises a pickup truck, the outer side surface of the pickup truck is fixedly connected with a carriage, a supporting mechanism penetrates through the side of the bottom surface of an inner cavity of the carriage, and the inner side surface of the carriage is fixedly connected with a storage box; a storage box is arranged in the compartment, a sealing cover is rotatably connected to an opening of the storage box, tools needed for electric power aerial work can be placed, the sealing cover can seal the storage box after the tools are placed, a bottom plate is fixedly connected to the bottom face of an inner cavity of the compartment, and a fixing frame is fixedly connected to the upper surface of the bottom plate. A rotating mechanism is fixedly connected to an inner cavity of the fixed frame; and a supporting frame is fixe