Self-adaptive lifting platform for height of nondestructive testing robot

The utility model discloses a self-adaptive lifting platform for nondestructive detection of the height of a robot, belongs to the field of special detection, and solves the problems that in the prior art, the surface flaw detection of an inspection robot cannot adapt to a workpiece with a larger curvature, and a detection device is easily damaged by a conventional method. The device mainly comprises a steering engine and a fixed supporting rod, a connecting rod mechanism is movably connected to the steering engine, the connecting rod mechanism is connected with a driving platform, the driving platform is slidably connected to the fixed supporting rod, a driven platform is slidably arranged on the fixed supporting rod, and an elastic piece is arranged on the fixed supporting rod between the driven platform and the driving platform in a sleeving mode; one end of the elastic piece is connected with the passive platform, and the other end is connected with the active platform; and a distance sensor is arranged o