Movable gas support device for gantry welding

The invention provides a gantry welding movable gas support device which solves the problems that the gas protection effect is affected by temperature rise and the like and comprises a gas support box, the gas support box is installed on a supporting beam, and a protective gas leading-out assembly and an adjusting assembly for adjusting the direction of the protective gas leading-out assembly are arranged in the gas support box. A cooling assembly opposite to the shielding gas leading-out assembly is arranged in the gas supporting box, and the gas supporting box is provided with a gas collecting assembly opposite to the shielding gas leading-out assembly. The device has the advantages of good gas protection effect, stable structure and the like. 本发明提供了一种龙门焊移动气托装置，它解决了温度升高影响气保护效果等问题，其包括气托盒，气托盒安装在支撑梁上，气托盒内置保护气导出组件以及调整保护气导出组件方位的调节组件，气托盒内置与保护气导出组件相对的冷却组件，气托盒安装有与保护气导出组件相对的集气组件。本发明具有气保护效果好、结构稳定等优点。