Wheeled multi -angle cutting assistor

The utility model belongs to oil field ground foundation construction engineering construction field especially relates to a wheeled multi -angle cutting assistor, including rifle clamps, angle seat,pivot mount pad, pivot and gyro wheel, the rifle clamp is used for the centre gripping and cuts welder, one side of angle seat pass through the dovetail cooperation and press from both sides with therifle and is connected and is fixed through screw locking, the opposite side of angle seat passes through dovetail and pivot mount pad to be connected and to pass through screw locking and fix, the angle seat can slide on the pivot mount pad, the length direction of two sets of dovetails of angle seat both sides is parallel to each other, the one end of pivot fix on the pivot mount pad, the gyro wheel pass through the bearing and install the other end in the pivot. The utility model relates to a stability that large -diameter pipeline cuts auxiliary device, cutting welder in the time of can effectively improving the cu