Safety supporting device for oil press

The utility model discloses an oil press safety supporting device which comprises a supporting seat, first sliding blocks, a protective cover and a transverse plate, the first sliding blocks are installed on the left side and the right side of the supporting seat in a sliding mode, the protective cover is fixedly connected to the tops of the first sliding blocks, the transverse plate is fixedly arranged in the protective cover, and a transparent plate is installed at the front end of the protective cover in a rotating mode. A second sliding block is fixedly arranged in the middle of the bottom of the transparent plate, sliding grooves are formed in the middle, the left side and the right side of the upper surface of the supporting base, a first connecting cylinder is fixedly installed in the supporting base, a second connecting cylinder is arranged in the first connecting cylinder in an attached mode, and a supporting block is arranged in the second connecting cylinder in an attached mode; and hydraulic sprin