Hydraulic ring geological survey sampling equipment

The invention belongs to the technical field of geological exploration sampling, and particularly relates to hydraulic ring geological exploration sampling equipment, which comprises a main body and a connecting frame, the connecting frame is arranged, a locking rod is arranged at the lower end of the connecting frame, the locking rod is in meshing transmission with a transmission shaft through a tooth groove, and the transmission shaft is connected with a rotating handle through the tooth groove; according to the device, a rotating handle is rotated to drive a locking rod to rotate and ascend and descend, so that the lower end of the locking rod is inserted into soil, a connecting frame is fixed to the ground, a main body can be adjusted to be in a vertical state, inclined sampling can be avoided, and it is guaranteed that a qualified soil sample is obtained; through the setting of the arc baffle plate, the arc baffle plate is electrically connected with the motor through the L-shaped rod, the two ends of an