Undisturbed soil triaxial sample rotary-drop preparation device and method

The invention discloses an undisturbed soil triaxial sample rotary-drop preparation device and method. The undisturbed soil triaxial sample rotary-drop preparation device comprises a bearing mechanism, a cutting mechanism and a supporting mechanism. The bearing mechanism comprises a base, and a leveling assembly is arranged on the base. A clamping device is arranged at the top end of the base. The cutting mechanism comprises a power assembly, the bottom end of the power assembly is detachably connected with a cutterhead assembly, and the cutterhead assembly is used for cutting undisturbed soil. The supporting mechanism comprises a supporting rod set slidably connected with the cutting mechanism, and a lifting power assembly is arranged at the bottom end of the supporting rod set and fixedly installed at the top end of the base. The device is simple in structure, the operation method is simple, the influence on undisturbed soil in the cutting process is small, the influences of uncertain factors and human fact