Plugging device for oil seepage point of intermediate joint of submarine oil-filled cable

The invention discloses a plugging device for an oil seepage point of an intermediate joint of a submarine oil-filled cable, and particularly relates to the field of oil-filled cables, the plugging device comprises an oil-filled cable, a cable intermediate joint and a sealing washer, the cable intermediate joint sleeves the outer wall of the oil-filled cable, and the sealing washer is fixedly connected to one end of the cable intermediate joint. The outer wall of the oil-filled cable is fixedly connected with a sealing shell, the bottom of the sealing shell communicates with an oil discharge pipe, the bottom of the oil discharge pipe communicates with an oil storage barrel, the inner wall of the oil discharge pipe is fixedly connected with a supporting piece, and the inner wall of the supporting piece is connected with a transmission rotary column through a bearing. According to the invention, through the arrangement of the movable part and the movable extrusion block, when the cable intermediate joint leaks,