Marking device for civil engineering construction

The utility model relates to the technical field of civil engineering equipment, in particular to a lineation device for civil engineering construction, which comprises a bottom plate, trundles are fixedly connected to four corners of the bottom end of the bottom plate, a control box is fixedly connected to the top end of the bottom plate, a processing box is fixedly connected to the top end of the bottom plate, and a processing chamber is arranged in the processing box. The top end of the machining cavity is rotationally connected with an eccentric disc, the interior of the machining cavity is fixedly connected with a machining inner gear, the top end of the eccentric disc is fixedly connected with a machining motor, an output shaft of the machining motor is fixedly connected with a machining shaft, and the circumferential outer wall of the machining shaft is fixedly connected with a machining outer gear. And the circumferential outer wall of the machining shaft is rotationally connected with a filtering box