Welding and positioning tool for cavity pipeline assembly

The utility model discloses a welding and positioning tool for a cavity pipeline assembly. The welding and positioning tool comprises a base; the cavity positioning assembly is arranged on the top surface of the base and is used for positioning the cavity; the first positioning assembly is arranged on the top face of the base, located on one side of the cavity positioning assembly and used for positioning the first pipeline. The second positioning assembly is arranged on the top face of the base, located on one side of the cavity positioning assembly and used for positioning the second pipeline. The positioning tool is simple in structure, convenient and fast to install and accurate in positioning, and the machining quality of parts is ensured. 本实用新型公开了一种腔体管路组件焊接定位工装，包括：底座；腔体定位组件，设置于底座的顶面，用于对腔体进行定位；第一定位组件，设置于底座的顶面，位于腔体定位组件的一侧，用于对第一管路进行定位；第二定位组件，设置于底座的顶面，位于腔体定位组件的一侧，用于对第二管路进行定位。本实用新型的定位工装结构简单，安装便捷，定位准确，确保了零件的加工质量。