近日,大连重工·起重集团研制的上海核工院、国家重大科研大型压水堆核电站载荷自平衡式CV吊具样机,顺利通过验收组验收。该项目是大连重工·起重集团首次承揽上海核工院项目,企业对整个项目的研制及试验过程高度重视,组织专门技术团队克服了Q420D材料特殊焊后热处理焊接工艺及1 100 t载荷试验等多个科研技术难点。该项目的成功 Recently, Dalian Heavy Industries · Crane Group developed the Shanghai Nuclear Industry Institute, a major national research large pressurized water reactor nuclear load self-balancing CV spreader prototype, passed the acceptance group acceptance. The project is the first time that Dalian Heavy Industries and Crane Group undertook the project of Shanghai Institute of Nuclear Engineering. The enterprises attached great importance to the development and test of the whole project. The specialized technical team was organized to overcome the special post-weld heat treatment welding process and 1 100 t load test of Q420D materials A number of scientific and technological difficulties. The success of the project