公开(公告)号：US20250025960A1

公开(公告)日：2025-01-23

申请号：US18542637

申请日：2023-12-16

Applicant: HARBIN WELDING INSTITUTE LIMITED COMPANY

Inventor： Ruisheng HUANG ,  Bin TENG ,  Yan ZHANG ,  Kai XU ,  Dakui FEI ,  Bao JIANG ,  Pengbo WU ,  Xiaomei LIANG ,  Jipeng ZOU

IPC: B23K26/21

Abstract: Disclosed are a narrow gap laser-TIG arc hybrid welding apparatus and method. The welding apparatus includes a welding gun body, a swing welding gun assembly, a welding wire feeding and heating assembly, and a gas conveying assembly; the swing welding gun assembly includes a welding gun rotating shaft, a stepper motor, a large gear, a pinion, an upper insulating sleeve, a lower insulating sleeve, a tungsten electrode clamp, and a tungsten electrode; the stepper motor is mounted on a motor connection seat; the pinion is mounted on the output shaft of the stepper motor; the large gear is mounted on the welding gun rotating shaft; the pinion is engaged with the large gear; the welding gun rotating shaft is mounted and positioned on the welding gun body; the tungsten electrode is mounted at the tail end of the welding gun rotating shaft by means of the tungsten electrode clamp.