Downward insertion positioning frame for SMW construction method pile

The utility model provides an SMW construction method pile downward insertion positioning frame which comprises two I-shaped sliding rails which are symmetrically arranged at intervals, sliding seats which are symmetrically arranged on the two sliding rails respectively, a positioning box which is arranged on the sliding seats and provided with an upper opening and a lower opening, and a positioning mechanism which is arranged in the positioning box. The positioning mechanism comprises transverse positioning plates arranged on the front side and the rear side of the interior of the positioning box correspondingly, longitudinal positioning plates arranged on the left side and the right side of the interior of the positioning box, a first adjusting assembly for adjusting the distance between the two transverse positioning plates, and a second adjusting assembly for adjusting the distance between the two longitudinal positioning plates. According to the H-shaped steel positioning frame, accurate positioning of H