Portable box of field soil bulk density collecting device

The utility model relates to the technical field of portable boxes, in particular to a field soil bulk density collecting device portable box which comprises a bottom plate, a box body is installed at the top end of the bottom plate, threaded holes are formed in the positions, close to the four corners, of the top end of the box body, and a containing groove is formed in the position, close to one side, of the interior of the box body. A storage groove is formed in the box body, a plurality of sets of anti-collision strips are arranged on the inner walls of the two corresponding sides of the storage groove, an arc-shaped groove is formed in the position, close to the other side, of the interior of the box body, two sets of screw rods are movably connected to the inner wall of the corresponding side of the storage groove in a threaded mode, and the corresponding ends of the two sets of screw rods are fixed to the corresponding ends of the corresponding pressing plates through corresponding bearings correspondi