CAJ | 학술논문

针对海洋石油工程中多根钢管对接精度难以保证的问题，根据管道对口器组对与手工组对的原理与方法，研制了以安装在龙门架机构上的三爪定心系统为主体，实现钢管的夹紧和调整功能的钢管组对机。针对钢管组对的技术参数要求，提出了一种圆心坐标平移算法。该方法以一根待组对钢管为基准，在错开2根钢管纵焊缝的同时，将另一根钢管在竖直平面内进行平移，以减小管口错边量。对实验样机进行了组对实验，测得钢管错边量小于2 mm，钢管的直线度小于9 mm，证明了所提出的机械系统及组对算法的有效性。
침대해양석유공정중다근강관대접정도난이보증적문제，근거관도대구기조대여수공조대적원리여방법，연제료이안장재룡문가궤구상적삼조정심계통위주체，실현강관적협긴화조정공능적강관조대궤。침대강관조대적기술삼수요구，제출료일충원심좌표평이산법。해방법이일근대조대강관위기준，재착개2근강관종한봉적동시，장령일근강관재수직평면내진행평이，이감소관구착변량。대실험양궤진행료조대실험，측득강관착변량소우2 mm，강관적직선도소우9 mm，증명료소제출적궤계계통급조대산법적유효성。
A steel pipes butting machine based on the three-jaw centering system on the gantry to realize the clam-ping and adjustment function, according to the theories and methods of clamp butting and artificial butting, was de-veloped because of the challenges and difficulties of ensuring pipeline butting accuracy in offshore oil engineering. To meet the technical parameters of the butted steel pipes, a coordinate translation of the center of circle algorithm has been proposed. The method makes one pending steel pipe as reference, and translates another pipe in the verti-cal plane to decrease the offset of the steel pipes while staggering the double steel longitudinal weld seams. Grouping experiments were carried out on an experimental prototype, the edge offset was less than 2 mm, the straightness was less than 9 mm. These results prove the validity of the mechanical system and the algorithm.