Tunnel construction feet-lock bolt positioning device and construction method

The invention discloses a tunnel construction feet-lock bolt positioning device and a construction method, belongs to the technical field of tunnel construction, and is used for positioning a tunnel construction feet-lock bolt. According to the tunnel construction feet-lock bolt positioning device and the construction method, a main structure of a tunnel construction feet-lock bolt (pipe) positioning tool is cut through a steel plate in a numerical control mode, the strength of the tool is guaranteed, a guide pipe is a semi-arc steel pipe, and the guide pipe is a semi-arc steel pipe; the angle of the anchor rod and the steel plate are welded according to a design drawing, a guiding effect is achieved, the device is effectively fixed to the I-shaped steel arch frame, the drilling position is tightly attached to the I-shaped steel arch frame, the tool is taken down after drilling is completed, the anchor rod is installed, and the U-shaped steel bar and the anchor rod are welded. 本发明公开的一种隧道施工锁脚锚杆定位装置及施工方法，属于隧道施工