Pier column and safety ladder cage stable connecting device and connecting and mounting method

The invention discloses a pier column and safety ladder cage stable connecting device and a connecting and installing method. The pier column and safety ladder cage stable connecting device is structurally and mainly composed of an embedded screw rod, a connecting base, an adjusting rod, a connecting pressing plate and a ladder cage hoop. The device is mainly used for stably connecting the safety ladder cage and the pier column in the aerial operation construction process of pier column construction, straining beam construction, capping beam construction and the like of railways, highways and the like. Compared with other existing products, the advantages of being convenient to install, high in universality, high in assembly degree, beneficial to replacement of damaged components, capable of being repeatedly used, high in disassembly and assembly efficiency and the like are mainly reflected. Therefore, the method has high economic benefits and social benefits when being applied to the construction process. 本发