Novel vertical mill hydraulic cylinder energy accumulator

The utility model relates to the technical field of energy accumulators, in particular to a novel vertical mill hydraulic cylinder energy accumulator. The energy storage device comprises an energy storage device body, the surface of the energy storage device body communicates with a connecting pipe, the surface of the energy storage device body is provided with a protective structure, the protective structure comprises a connecting plate, the surface of the connecting plate is fixedly connected with the energy storage device body, and the surface of the connecting plate is slidably connected with a lantern ring; a threaded rod is inserted into the lantern ring in a threaded mode, a groove is formed in the surface of the lantern ring, a connecting rod is slidably connected to the inner wall of the groove, an arc-shaped frame is fixedly connected to the surface of the connecting rod, and an air bag is fixedly connected to the inner wall of the arc-shaped frame. The vertical mill hydraulic cylinder solves the pr