Integrated modularized adjustable universal single ladder

The utility model relates to an integrated modularized adjustable universal single ladder, which comprises a mounting head and a supporting leg, and is characterized by further comprising a spring, a spring pad and a butting bolt, a groove is arranged at the top of the supporting leg, connecting lugs which are oppositely arranged front and back are arranged at the upper end of the groove, hinge holes are arranged on the connecting lugs, and the hinge holes are connected with the spring pad. A spring is embedded in the groove, a spring pad is arranged at the upper end of the spring, the lower portion of the installation head is of a convex tip structure inclining towards the lifting side of the supporting leg, the top of the convex tip structure is in a circular arc shape, a penetrating hole is formed in the convex tip structure, and the convex tip structure is hinged between the two connecting lugs through a butting bolt. And the top of the convex tip structure is propped against the spring cushion. The adjus