Bearing temperature measurement line sealing device

The invention relates to the technical field of bearing temperature measurement line sealing, and discloses a bearing temperature measurement line sealing device which comprises a lead pipe which is connected with a bearing pedestal and used for leading out a bearing temperature measurement line, the end of the lead pipe is provided with a sealing structure, the sealing structure comprises a plurality of sealing pieces which are connected in series, the bearing temperature measurement line penetrates out of each sealing piece in sequence, a filling layer is arranged in each sealing piece, andgaps between the bearing temperature measurement line and the sealing pieces are filled with the filling layer; every two adjacent sealing pieces are arranged to be a first sealing piece and a secondsealing piece, the first sealing pieces are fixedly connected with the second sealing pieces, and the ends of the first sealing pieces are inserted into the second sealing pieces and extrude the filling layers in the second se