Builder's jack type steel anchoring device

The utility model relates to a builder's jack type steel anchoring device. At present, because a building is higher and higher, a builder's jack is more widely applied in the building construction, the anchoring of the builder's jack concerns the key of the jack body safety, but due to the facts that the builder's jack is manually damaged in the later stage and a wood wedge is loosened after a long time, each project at present is needed to cost great manpower and energy to solve the problem, great potential safety hazards exist, and huge manpower, materials and time are required to solve the problem. The builder's jack type steel anchoring device mainly consists of steel plates, PVC (polyvinyl chloride) casing pipes, screws and nuts, wherein the screws and the steel plates are welded to form a novel canalization construction member; then joist steels can be pressed by two small steel plates; and the upper ends of the joist steels are locked and fastened by double nuts. The builder's jack type steel anchoring