Adjustable supporting frame device

The utility model provides an adjustable supporting frame device. The adjustable supporting frame device comprises a vertically-arranged stand column, a jack arranged on the stand column, a first support, a second support and a supporting plate. A plurality of holes are formed in the upright post; the stand column is sleeved with the first support and the second support, and the first support and the second support can slide up and down along the stand column. Holes matched with the stand columns are formed in the first support and the second support, and the first support and the second support are connected through pins. The jack is mounted on the support I; the supporting plate is arranged on the second support. The jack and the supporting plate are located on the same side of the stand column. The utility model has the advantages of simple structure, wide application range and the like, is suitable for narrow space, solves the problem that the template bracket cannot be erected or is difficult to dismantl