Thickness detection device for building external wall thermal insulation material detection

The utility model discloses a thickness detection device for building external wall thermal insulation material detection, which comprises a mounting frame, the top of the mounting frame is fixedly connected with a measuring frame, and the right side of the inner cavity of the measuring frame is movably connected with a movable plate. Through arrangement of the mounting frame, the measuring frame, the movable plate, the motor, the first rotating disc, the connecting frame, the metal rod, the pull rod, the metal plate, the detection insertion rod, the second rotating disc, the adjusting frame, the first gear, the second gear and the rack, the movable plate supports the motor, the connecting frame and the adjusting frame; a motor can drive a first rotating disc, a second rotating disc, a first gear, a second gear and a third gear to rotate and cooperate with a rack to move, and meanwhile rotation of the first rotating disc drives a pull rod and a metal rod to reciprocate in an inner cavity of a connecting frame