Novel corn root sampling device

A novel corn root sampling device comprises a rocker arm system, a support system and a sampling system. The rocker cover is screwed with the upper part of the upper connecting rod; the connecting part of the upper connecting rod and the lower connecting rod is sleeved with a middle handle; the lower part of the lower connecting rod is screwed with a connecting rod nut; the lower part of the central shaft is screwed with a central shaft hole in the fixed seat; the upper part of the fixing nut is screwed with the central shaft; the bottom of the fixing nut is screwed with the fixing head; the upper connecting arms are arranged at three corners of the fixed seat and are connected with the upper arm through a rotating shaft; the upper arm is embedded into the lower arm in a sliding manner; the lower arm lower part is connected with the lower connecting arm upper part through a rotating shaft; the lower part of the lower connecting arm is connected with a structure fixing foot; the fixinghead is screwed with the