2000 KN electro-hydraulic servo rock triaxial testing machine

The utility model relates to the technical field of experimental apparatus accessory devices, in particular to a 2000 KN electro-hydraulic servo rock triaxial testing machine which is convenient for protecting a user and improving the safety coefficient. Box body, four groups of supporting rods are respectively arranged on the left front side, the right front side, the left rear side and the rightrear side of the top side wall of the box body; fixing plates are arranged at the top ends of the four supporting rods; a fixing hole is formed in the center area of the fixing plate, a hydraulic cylinder is arranged at the fixing hole, the output end of the hydraulic cylinder penetrates through the fixing hole, an extrusion plate is arranged at the output end of the hydraulic cylinder, four setsof sliding holes are formed in the left front side, the right front side, the left rear side and the right rear side of the extrusion plate, and a containing plate is arranged in the center area of the top side wall of the bo