Detection and maintenance integrated vehicle

In order to solve the technical problem that in the prior art, a maintenance vehicle workbench is small in area and inconvenient to work, the utility model discloses a detection and maintenance integrated vehicle which comprises a walking chassis, a plurality of layers of drawer cabinets and a maintenance workbench, a power strip is arranged on the surface of the maintenance workbench, and a storage battery for supplying power to the power strip is arranged on the walking chassis; extension plates are arranged on the side faces of the multiple layers of drawer cabinets through hinges, and when the extension plates are turned upwards to be in a horizontal state, the top faces of the extension plates are flush with the top face of the maintenance workbench; a drawing type tray is arranged in the walking chassis, a supporting rod capable of rotating upwards is arranged in the tray, and one end of the supporting rod is inserted into a positioning hole of the extension plate so that the extension plate can be kept