Soil body ring shear test device

The utility model discloses a soil body ring shear test device which comprises an operation table, a temperature control disc is arranged on the operation table, and the temperature control disc is connected with a temperature controller through a heat insulation pipe; the top surface of the temperature control disc is fixedly connected with the lower shear box; a to-be-tested soil body is arranged in a shearing chamber of the lower shearing box, and an upper shearing box is arranged at the top of the to-be-tested soil body; the upper shear box is fixedly connected with the top end of the loading rod through a connecting disc; the bottom end of the loading rod is connected with a piston in an upper box driving cylinder at the bottom of the operation table; a torque loading disc is arranged on the loading rod at the top of the upper box driving cylinder and is connected with a torque loading device; the upper box driving cylinder is connected with a transition cylinder through a hydraulic pipe; a piston in the