Safe and stable construction frame for building construction

The utility model relates to the technical field of scaffolds, in particular to a safe and stable scaffold for building construction, which is characterized in that supporting devices are arranged on the surfaces of two sides of a base, each supporting device comprises two fixing plates, a threaded rod is rotatably connected between the two fixing plates, and a rotating wheel is fixedly mounted on the surface of each threaded rod; the surface of the threaded rod is in threaded connection with two movable blocks, a sliding rod is fixedly installed between the two fixing plates, connecting rods are fixedly installed on the surfaces of the movable blocks, two sliding grooves are formed in the surface of the base, the two sliding blocks are slidably connected into the sliding grooves, inserting rods are fixedly installed on the surfaces of the sliding blocks, and through grooves are formed in the surfaces of the two sides of the base. A plurality of inserting holes are formed in the surfaces of the two ends of th