Double-layer safety net for assembly type building construction

The utility model discloses a double-layer safety net for assembly type building construction, which belongs to the technical field of building construction and comprises a bottom plate, four supporting columns are fixedly mounted at the top of the bottom plate, cross rods are mounted at the tops of the supporting columns, the number of the cross rods is two, and vertically arranged track rods arefixedly mounted at the bottoms of the cross rods. A lifting block is installed on the rail rod in a sliding mode, an adjusting rod is hinged to the lifting block, the bottom of the adjusting rod is hinged to an upper rectangular frame, an upper rectangular frame is hinged to the bottom of the rail rod, a lower rectangular frame is arranged below the upper rectangular frame, two safety nets are arranged between the upper rectangular frame and the lower rectangular frame, and positioning holes are formed in the safety nets. A vertical hole is formed in the lower rectangular frame; the safety net is convenient to disass