Flame heating device suitable for hull carrying weld joints, and method

• Main Authors: ZHENG ZHIBO, YANG ZHENKUN, XI BAOCHENG, LI YONG, CHEN DAWEI, YANG YINGYAN, XU RENTANG, PAN QIN, DING SHANGYOU
• Format: Patent
• Language: Chinese; English
• Published: 19.02.2021
• Subjects: BLASTING; BURNERS; CLADDING OR PLATING BY SOLDERING OR WELDING; COMBUSTION APPARATUS; COMBUSTION PROCESSES; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; HEATING; LIGHTING; MACHINE TOOLS; MECHANICAL ENGINEERING; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; SOLDERING OR UNSOLDERING; TRANSPORTING; WEAPONS; WELDING; WORKING BY LASER BEAM

The invention discloses a flame heating device suitable for hull carrying weld joints, and a method. The flame heating device suitable for hull carrying weld joints comprises an air pipe, a connectingpipe, a main pipe, a branch pipe, a screw rod, an adjusting rod, a bearing, a sleeve plate, a supporting column, a rolling wheel and a limiting assembly, wherein a first limiting block is fixedly connected to the inner side wall of the main pipe; an adjusting block is arranged in the main pipe; a first limiting groove is formed in the outer side of the adjusting block; the first limiting block isclamped in the first limiting groove; the tail end of the screw rod penetrates into the main pipe; the screw rod is rotatably connected with the inner end wall of the main pipe through the bearing; athreaded through hole is formed in one side of the adjusting block; the screw rod is screwed with the threaded through hole; the threaded rod can be rotated to bee screwed with the threaded through hole; and the adjusting bloc