Tamping machine for civil engineering

The tamping machine for civil engineering comprises a bottom plate and a top plate, an elastic telescopic rod, an outer telescopic sleeve and an inner telescopic sleeve are arranged between the bottom plate and the top plate, the interior of the inner telescopic sleeve is an equipment area, and a dust suction area used for sucking raised dust is formed between the outer telescopic sleeve and the inner telescopic sleeve; a variable frequency motor is arranged in the equipment area; a power output end of the variable frequency motor drives the tamping plate to move up and down through a connecting mechanism; a mounting frame is arranged on the bottom plate, a rotating shaft is rotationally arranged on the mounting frame, and a roller and a gear are arranged on the rotating shaft; a transmission part aiming at the gear is arranged on the top plate; a rotating rod is rotatably arranged on the bottom plate in a penetrating manner, a handle is arranged at the top end of the rotating rod, and a guide wheel is arrang