Roadbed compactness detection device for road engineering detection

A roadbed compactness detection device for road engineering detection comprises a first supporting plate, a first sliding plate, a power device, a rotating shaft, a drill bushing, a pressing plate, agear, a rotating rod, a rocking handle, a fixed block, a box body, a handle and a power source. Two sets of second supporting plates are arranged on the first supporting plate. The two ends of the first sliding plate are slidably connected with the two sets of second supporting plates correspondingly. The power device is arranged at the top of the first sliding plate. A circle of sawteeth is arranged at the bottom of the drill bushing. The pressing plate is arranged on the inner wall of the drill bushing, and a rack is arranged at the top of the pressing plate and engaged with the gear. The gear is in key connection with the rotating rod. A square head is arranged at one end of the rotating rod. A square hole is formed in the fixed block. The box body is arranged at the top of the first sliding plate and provided