Intelligent maintenance device for concrete building

The utility model relates to an intelligent maintenance device for a concrete building body. The intelligent maintenance device comprises a bottom plate, wheels are fixedly connected to the bottom of the bottom plate, a box body is fixedly connected to the top of the bottom plate, a mounting shell is fixedly connected to the interior of the box body, and a motor is fixedly connected to the interior of the mounting shell. According to the intelligent maintenance device for the concrete building body, when the building body needs to be subjected to spraying maintenance, after the device is pushed to the side of the building body, a box cover is opened, and a motor is started to drive a threaded rod to rotate in a supporting plate, so that under the condition that a sleeve is provided with a limiting block, rotation movement is changed into left-right movement, and the sleeve is driven to move rightwards; according to the building maintenance device, the spraying plate is supported to a certain height by the con