Tensile structure of city rail automobile body material arc stud welding welded joint

The utility model discloses a tensile structure of city rail automobile body material arc stud welding welded joint, double -screw bolt on including the base and being located the base is constituteed, base and double -screw bolt adoption arc stud welding fixed connection, the base includes the discoid head on top and the cylinder body rod body component of lower extreme, the base is formed by theexperimental mother metal processing of arc stud welding, the double -screw bolt is experimental double -screw bolt. The utility model provides a low -cost, little input, strong adaptability, the city rail automobile body material arc stud welding welded joint strength test structure that the precision is high can realize the quantification survey of the first intensity of stud welding. 本实用新型公开了种城轨车体材料螺柱焊焊接接头拉伸结构，包括底座及位于底座上的螺柱组成，所述底座与螺柱采用螺柱焊固定连接，所述底座包括顶端的圆盘状头部和下端的圆柱体杆身组成，所述底座由螺柱焊试验母材加工而成，所述螺柱为试验螺柱。本实用新型提供了种低成本、小投入、适应性强、精度高的城轨车体材料螺柱焊焊接接头强度测试结构，能实现螺柱焊接头强度的定量化测定。