Marine T-shaped hydraulic oil jacking device

The utility model relates to a marine T-shaped hydraulic oil jacking device which is characterized by being formed through hermetically combining an inner oil jacking core, an outer oil jacking casing and rubber gaskets; the inner oil jacking core is a ring with outer steps; the outer oil jacking casing is a ring with inner steps; an oil injection hole from the outer side of the ring to the inner side of the ring is formed in the outer oil jacking casing; the inner oil jacking core is hermetically embedded in the outer oil jacking casing through the rubber gaskets so as to be combined with the outer oil jacking casing. Compared with the prior art, the marine T-shaped hydraulic oil jacking device provided by the utility model has the strength better meeting the use requirements of ships, saves material, can be recycled, and is more reliable, economic and practical.