Welding test piece clamping support

The utility model relates to the field of machining equipment and discloses a welding test piece clamping support which can replace a welding test piece clamp quickly according to different welding requirements. The support comprises a base and a stand pipe, wherein a movable casing pipe is arranged on the stand pipe, branch pipes are arranged on the two sides of the casing pipe, a first jackscrew is arranged on the top of each branch pipe, the stand pipe is connected to a base plate with a flange, the casing pipe to which the branch pipes are well welded is fixed on the stand pipe with a second jackscrew, and the clamp is fixed on the branch pipes with the first jackscrews in the same way. According to the welding test piece clamping support, different welding test piece clamps can be used according to different welding technological requirements and different welding test pieces, the purpose of clamping the welding test pieces conveniently and quickly is realized, and the casing pipe can move vertically on