Three-dimensional translation workbench for laser damage test

The utility model discloses a three-dimensional translation workbench for a laser damage test, belongs to the technical field of optical element test auxiliary tools, and solves the problems of poor stability and low transmission effect when an optical element is moved due to abrasion caused by insufficient lubrication of a lead screw. According to the technical key points, the device comprises three lubricating mechanisms, each lubricating mechanism comprises an oil storage plate, the oil storage plates are fixedly connected to the side wall of the platform, oil storage cavities are formed in the oil storage plates, piston assemblies are arranged in the oil storage cavities and used for generating pump force to control oil outlet, oil outlet assemblies are fixedly connected to the bottom faces of the oil storage plates, and one ends of the oil outlet assemblies communicate with the oil storage cavities; the other end of the oil outlet assembly corresponds to the first lead screw, the second lead screw and th