大直径盾构隧道弧形件预制装配精调技术研究与实践

Research and Practice of Fine Adjusting Method for Prefabricated Arc Parts Construction in Large-Diameter Shield Tunnels

为不断提升拼装机器人的弧形件拼装精度,在工程的实际使用中对拼装机器人的精调测量方案进行数次优化改进,最终采用T字型三棱镜精调方案。具体介绍弧形件拼装机的3个精调流程方案,展示精调方案中不同的优化策略,最终实现以下效果:1)利用自研的拼装机器人,实现了弧形件智能化拼装,节约了人力成本,保证了施工进度及安全要求;2)通过不断优化改进精调方案,实现了3 mm的弧形件拼装精度。

To improve the accuracy of the self-developed robot in assembly of prefabricated arc parts,a T-shaped triple prism fine adjusting method is designed.Three fine adjusting schemes for prefabricated arc parts are introduced,and their improving principles are displayed.The self-developed robot realizes intelligent assembly of prefabricated arc parts with a low labor consumption and safe operation.A assemble precision of 3 mm for prefabricated arc parts is achieved through continuous improvement.