Electro-hydraulic servo universal material testing machine

The utility model relates to the technical field of testing machines, in particular to an electro-hydraulic servo universal material testing machine which improves the clamping effect, prevents materials from slipping in the testing process, runs smoothly and improves the accuracy in the testing process. Comprising a base, an equipment box, multiple supporting rods, a top plate and a moving device, the equipment box is fixedly installed at the top end of the base, the multiple supporting rods are fixedly installed at the four corners of the top end of the equipment box respectively, the top plate is fixedly installed at the top ends of the supporting rods, a through groove is formed in the middle of the top end of the top plate, and the moving device is installed at the top end of the equipment box; the device further comprises a clamping device, the clamping device comprises an upper clamping mechanism and a lower clamping mechanism, the upper clamping mechanism and the lower clamping mechanism are the same