Simple and easy ring flange welding auxiliary device

The utility model provides a simple and easy ring flange welding auxiliary device belongs to the technical field that the ring flange welding was produced. Simple and easy ring flange welding auxiliary device includes slide, baffle, support and supporting part, the baffle sets up the front end and the follow of slide the front end of slide upwards extends, the support includes fore -stock and after -poppet, the fore -stock sets up the left and right sides of tip before the slide, the after -poppet sets up in the left and right sides of rear end of the sliding board portion, just highly being greater than of after -poppet the height of fore -stock the left and right sides of rear end of the sliding board portion is provided with respectively and is used for supporting the supporting part oftreating with ring flange looks welded connecting piece. The one man operation can be realized to this device, and labour saving and time saving improves work efficiency, reduces the invar pipe and rotates welding unstable o