Vacuum mud jacking device

The utility model relates to a vacuum mud jacking device, include and store up the thick liquid bucket, starch the mudjack that the bucket links to each other with the storage, be located the vacuum pump of mudjack opposite face, first pipeline that links to each other with the mudjack right -hand member and the second pipeline continuous with the vacuum pump left end, first pipeline on set up into a thick liquid mouthful valve, the second pipeline on set up the grout outlet valve, the right side of first pipeline is terminal, the left end of second pipeline is fixed with the board respectively, the terminal upper portion of board sets up board thick liquid mouth, the sealed lid of rear end lock of board, the right -hand member end of second pipeline sets up three way connection, three way connection's lower extreme pipe connection negative pressure container, set up the buffer tank between negative pressure container and the three way connection, the inside upper end level of buffer tank sets up a set of fil