Formwork supporting and reinforcing steel backing arris convenient to adjust and used for house building stand column

The utility model discloses a formwork supporting and reinforcing steel backing edge convenient to adjust for a house building stand column. A transverse rod is mounted on the outer wall of the first vertical rod; the connecting sleeves are symmetrically arranged on the two sides of the cross rod; comprising a steel backing arris body which penetrates through the interior of the connecting sleeve, and the section of the steel backing arris body is in a U shape; the sliding grooves are formed in the two ends of the transverse rod and used for adjusting the positions of the connecting sleeves. And the limiting groove is formed in the inner wall of the steel backing arris body. According to the convenient-to-adjust formwork supporting and reinforcing steel backing ridge for building the column of the house, fastening pins are inserted into staggered fastening holes to limit the adjusted connecting sleeves, so that the width distance of the formworks can be adjusted conveniently, the connecting sleeves can move i