Molten iron sampling device of iron-making blast furnace

The invention relates to the technical field of molten iron sampling equipment, and provides an ironmaking blast furnace molten iron sampling device which comprises a workbench, supporting columns fixedly sleeve the four corners of the outer surface of the workbench, and first working rods are fixedly connected to the outer surfaces of the tops of the two supporting columns; the outer surface of the first working rod is fixedly provided with a first pulley through a bearing, the side, close to the first pulley, of the outer surface of the workbench is fixedly connected with a plurality of second working rods, the outer surfaces of the second working rods are fixedly provided with second pulleys through bearings, and the outer surface of the top of the workbench is fixedly connected with a first supporting rod; the safety risk that a worker gets close to a blast furnace, and the worker is hurt due to splashing of molten iron is avoided, meanwhile, mechanical sampling is utilized, labor force is reduced, workin