Blast-furnace tuyere bolt dismounting and mounting equipment

The utility model belongs to the field of blast-furnace tuyere maintenance, and particularly discloses blast-furnace tuyere bolt dismounting equipment which comprises a support, a clamping assembly, a mounting assembly and a driving assembly, the clamping assembly, the mounting assembly and the driving assembly are mounted on the support, the mounting assembly is used for mounting the support on a bolt, and the clamping assembly is used for clamping a nut on the bolt. The clamping assembly comprises a mounting disc and a plurality of clamping pieces distributed in the circumferential direction of the mounting disc. The driving assembly is used for driving the clamping assembly to rotate and comprises a pressing handle, a driving wheel connected to the pressing handle, a driving gear coaxially fixed to the driving wheel, a driven gear coaxially fixed to the mounting disc and a transmission part arranged between the driving gear and the driven gear, and the transmission part is used for transmitting power of th