Asphalt penetration experiment device

The utility model provides an asphalt penetration experiment device, and belongs to the technical field of asphalt penetration. The asphalt needle penetration experiment device comprises a bottom plate, a needle body and a container, an adjusting mechanism is arranged on the bottom plate and comprises a sliding rail, a toothed plate, a sliding block, a first motor, a rotating shaft and a gear, and the sliding rail is fixedly connected to the top of the bottom plate; the toothed plate is fixedly connected with the inner wall of the sliding rail; the sliding block is in sliding connection with the sliding rail; the first motor is fixedly connected to the outer wall of the sliding block. The rotating shaft is fixedly connected to the output end of the first motor; the two first motors are started respectively, the output ends of the first motors drive the rotating shafts to rotate, the rotating shafts drive the gears to rotate, and due to the fact that the gears are in meshed connection with the toothed plates,