Steel structure welding heat preservation device

• Main Authors: GU SHILING, LI SHANQING, ZHANG NAN
• Format: Patent
• Language: Chinese; English
• Published: 16.06.2023
• Subjects: CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; SOLDERING OR UNSOLDERING; TRANSPORTING; WELDING; WORKING BY LASER BEAM

The utility model discloses a heat preservation device for steel structure welding, which belongs to the technical field of steel structure welding and comprises an insulating heating cylinder, an electromagnetic induction coil is wound on the outer side of the insulating heating cylinder, and a metal heating pipe is transversely arranged in the insulating heating cylinder. The left end and the right end of the insulating heating cylinder are fixedly connected with the heat conduction pipes extending to the outer side of the heating box, the end, close to one side of the welding box, of each heat conduction pipe is fixedly connected with a fixing plate, and the upper side and the lower side of each fixing plate are each provided with a first heat conduction hole. A pair of second heat conduction holes which are symmetrically distributed up and down are formed in the end wall of the side, close to the welding box, of the insulating heating cylinder, a welded steel pipe body can be heated, heat extends to the w