| 摘要 |
<p>Disclosed is a jig apparatus for welding a pipe. According to an embodiment of the present invention, the jig apparatus for welding a pipe comprises: a first body part and a second body part in the form of a closed loop respectively covering the surroundings of two butt welded pipes separated to face each other; a first screw member and a second screw member respectively installed to be able to rotate in the first body part and the second body part to move back and forth toward the inside of the first body part and the second body part to correspond to a rotation direction; and a holding plate for supporting each end part of the first screw member and the second screw member to be able to rotate, and connecting each end part of the first screw member and the second screw to have a supporting side in contact with the outside of the two pipes.</p> |
