Biomass energy storage device based on ocean energy collection

The utility model discloses a biomass energy storage device based on ocean energy collection, which relates to the technical field of biomass energy storage equipment and comprises a placing plate, an energy storage tank and a hinge mechanism, the energy storage tank is placed at the top of the placing plate, and the hinge mechanism comprises a first hinge rod and a second hinge rod. One end of the first hinge rod and one end of the second hinge rod are hinged to the outer side of the energy storage tank, and the fixing frame mechanism is arranged on the placing plate; according to the biomass energy storage device based on ocean energy collection, the hinge mechanism is hinged to the energy storage tank and the movable plate mechanism, and the movable plate mechanism is connected with the fixed frame mechanism and the buffer room mechanism and operates in a matched mode, so that the energy storage tank is buffered by force after toppling over until the energy storage tank returns to the original position; ac