Environmental condition investigation device for heterogeneous habitat

The invention belongs to the technical field of environment investigation equipment, and particularly relates to a heterogeneous habitat environment condition investigation device which comprises a mounting plate, supporting legs are arranged at the bottom of the mounting plate, a mounting hole is formed in the mounting plate, an automatic adjusting mechanism is mounted in the mounting hole, and a soil sampling mechanism is slidably connected to the automatic adjusting mechanism. The automatic adjusting mechanism comprises a rotating ring mounted in the mounting hole, the rotating ring is rotationally connected with the mounting plate through first rotating shafts which are symmetrically arranged, second rotating shafts are symmetrically arranged at the opposite positions of the inner side of the rotating ring, connecting rods are rotationally connected to the second rotating shafts, and the bottoms of the two connecting rods are jointly connected with a mounting ring; the mounting ring is always in a vertica