Tunnel lining steel bar positioning fixture

The utility model provides a tunnel lining reinforcing steel bar positioning clamp, which relates to the technical field of tunnel lining and comprises a plurality of positioning frames, arc-shaped sliding grooves are arranged on two side walls of the plurality of positioning frames, built-in grooves are arranged on the surfaces of the positioning frames, the shapes of the built-in grooves are matched with those of the positioning frames, straight moving plates are arranged at two ends of the positioning frames, and the arc-shaped sliding grooves are arranged on the arc-shaped sliding grooves. A plurality of distance adjusting assemblies are arranged at the top of the positioning frame, and positioning assemblies are arranged at the tops of the distance adjusting assemblies. According to the steel bar positioning device, by arranging the distance adjusting assembly and the straight moving plate, when a worker installs a steel bar on the device, the limiting blocks are partially separated from the limiting hol