Arch frame device for highway tunnel construction

The utility model belongs to the technical field of construction assistance, and particularly relates to a highway tunnel construction arch frame device which comprises a left side positioning frame and a right side adjusting rod, a guide rod is fixedly connected to one side of the left side positioning frame, and the guide rod is connected to the inner side of the right side adjusting rod in a sliding mode. Linkage frames are slidably connected to the top ends of the left side positioning frame and the right side adjusting rod, supporting protection rings are fixedly connected to the top ends of the two linkage frames, switching blocks are slidably connected to the inner side of the left side positioning frame and the inner side of the right side adjusting rod, and the switching blocks are clamped to the linkage frames; through cooperation of the linkage frame, the switching block and other components, in the tunnel construction process, a worker can adjust the supporting position along with the construction