1 前言近几年建筑行业由于建筑工人的老龄化,技术工人的不足,给建筑行业的发展带来很大问题,另一方面对于盾构工程来说,随着大深度,大断面和长距离隧道工程需要的增加,要求在更严格的作业环境中施工,面临这种情况,盾构工程为了谋求作业效率化、省力化、提高安全性和改善劳动条件等,希望在管片自动拼装方面得以开发。笔者们开发了施工时不要随时供给螺栓的、适用于自动拼装预置锻造螺栓的接头, 1 Introduction The construction industry in recent years due to the aging construction workers, lack of skilled workers to the construction industry has brought great problems, on the other hand for the shield engineering, with large depth, large cross-section and long distance Tunnel engineering needs to increase, requiring more stringent operating environment in the construction, in the face of this situation, in order to shield the work efficiency, labor-saving, improve safety and improve working conditions, etc., in the hope that the automatic assembly of the segment Development. The authors have developed the construction do not always supply the bolt, suitable for automatically assembling pre-forged bolts connector,