Internal aligning device for mountain pipeline construction

The utility model belongs to the technical field of pipeline construction, and provides an internal aligning device for mountain pipeline construction. The internal clamp for mountain pipeline construction is provided with a machine head tensioning device, a driving walking device and a battery pack device. The machine head tensioning device and the driving walking device are connected into a whole through elastic connecting structures, and the driving walking device and the battery pack device are connected into a whole through elastic connecting structures. The elastic flexible connection structure is provided with a middle spring and spring seats connected to two ends of the middle spring; the two spring seats are respectively fixed on two adjacent devices; the elastic connecting structure is further provided with a plurality of extension springs surrounding the middle spring. The multiple extension springs are connected end to end, and the two ends of each extension spring are fixed to the two adjacent de