Traction structure and tunnel excavation system

The utility model discloses a traction structure and a tunnel excavation system, the traction structure comprises a cross beam and a traction device, the cross beam is used for being arranged at one end of a tunnel and extending in the width direction of the tunnel so as to be fixedly connected with the ends of a plurality of steel pipes of a pipe shed supporting structure at the same time; the traction equipment and the cross beam are arranged at intervals in the length direction of the tunnel, and the traction end of the traction equipment is connected to the cross beam and used for simultaneously pulling the multiple steel pipes through the cross beam. According to the technical scheme, the number of traction equipment can be reduced, so that the workload of equipment installation and maintenance is reduced, and the cost is reduced. 本实用新型公开一种牵拉结构和隧道挖掘系统，其中，牵拉结构包括横梁和牵拉设备，横梁用于设置在隧道的一端，并沿隧道的宽度方向延伸设置，以同时固定连接管棚支护结构的多根钢管的端部；牵拉设备沿隧道的长度方向与横梁间隔设置，牵拉设备的牵拉端连接在横梁，用于通过横梁同时牵引多根钢管。本实用新型技术方案能够减少牵拉设备的数量，以减小设备安装和维护的工作量，降低成本