The utility model relates to a large -scale current transformer hoist device and conveyer, hoist device includes the chassis, the fixed casing support frame that is used for supporting the horizontal casing in mutual -inductor top that is provided with in both sides around the left end of chassis upper portion, casing support frame upper portion has the opening and supports the concave surface towards the casing of the horizontal casing outer peripheral face in mutual -inductor top, chassis upper portion right -hand member is provided with the base fixing device who is used for supporting mutual -inductor sheathed tube sleeve pipe support frame and is used for fixed mutual -inductor base, sleeve pipe support frame upper portion has the cover tubular brace concave surface of opening towards mutual -inductor sleeve pipe outer peripheral face. The utility model discloses a large -scale current transformer hoist device has prevented effectively that the mutual -inductor from moving in the chassis all directions, avoided taking place the mutual -inductor that the drunkenness causes at long -time vibrations mutual -inductor when jolting and damaged.