Temporary loading and unloading device for boiler steel frame

The utility model provides a temporary up-and-down device for a boiler steel frame. The temporary up-and-down device comprises a fixing frame structure and a ladder stand structure. The fixing frame structure comprises a frame body and a suspension structure arranged on the frame body. The suspension structure is suspended on the boiler steel frame; the crawling ladder structure comprises two parallel vertical rods and a cross rod arranged between the two vertical rods, and a fixing structure is arranged on the crawling ladder structure; the crawling ladder structure is detachably and fixedly connected with the frame body through the fixing structure. According to the utility model, the problems in the prior art that in the construction process of the electric field boiler installation project, a constructor is difficult to go up to the highest point for unhooking and welding a steel frame cross beam, the constructor cannot go up and down to connect various procedures, certain potential safety hazards exist t