Head side opening saddle welds auxiliary fixtures

The utility model relates to a head side opening saddle welds auxiliary fixtures, include backing plate (1), establish be on backing plate (1) that isosceles triangle distributes and the high equal three pillar of adjustable and establishing riser (2) on backing plate (1), it is during the use, three the pillar is used for supporting the head inner wall and the cooperation makes it is in horizontal position to wait to weld the side opening on the head, riser (2) are used for to living the minimum of head. Compare and wait to weld the side opening at the incline state in prior art, the utilitymodel discloses auxiliary fixtures's application can be guaranteed effectively that the saddle welds and lead electric nozzle perpendicular to welding position all the time, and then improve welded quality and precision. 本实用新型涉及种封头侧孔马鞍焊辅助工装，包括垫板（1）、设在所述垫板（1）上呈等腰三角形分布且高度均可调的三个支柱以及设在所述垫板（1）上的立板（2）；使用时，三个所述支柱用于支撑封头内壁并配合使所述封头上待焊接侧孔处于水平位置，所述立板（2）用于抵住所述封头的最低点。相较于现有技术中待焊接侧孔处于偏斜状态，本实用新型辅助工装的应用能够有效保证马鞍焊导电嘴始终垂直于焊接位置，进而提高焊接的质量和精度。