Sea cable sealing and fixing device

The utility model discloses a sea cable sealing and fixing device. The sea cable sealing and fixing device comprises two clamping sleeves, a bearer and a filler pressure plate. The clamping sleeves are connected with each other and form a cavity. A sea cable can be disposed in the cavity and is connected with both clamping sleeves. The clamping sleeves are fixed onto an end face of the bearer. A flange is connected with the end face. The other end face of the bearer is connected with the filler pressure plate. A annular cavity is formed between the bearer, the sea cable and the filler plate and is filled with filler. The sea cable sealing and fixing device can be used to fix the sea cable to a tidal current energy power generating hydro-turbine and realize connection and communication between an internal electric apparatus in the hydro-turbine and an external measurement and control apparatus, and is convenient for the construction of tidal current energy power generating sea cables and the overhaul of the hydro-turbine.