Safety limiter of elevator

The utility model relates to the technical field of lifting equipment, in particular to a safety limiter of a lifting machine, which comprises a positioning support and two mounting racks, a rotating plate is rotatably connected onto the positioning support, and a servo motor for driving the rotating plate to rotate is mounted on the positioning support; limiting assemblies are arranged on the two sides of the positioning support. The limiting assembly comprises plug pin rods connected to the mounting frame in a sliding mode, and each plug pin rod is rotationally connected with the rotating plate. When the goods need to be static, a servo motor is started, the servo motor drives a rotating plate to rotate and drives plug pin rods on the two sides to slide oppositely, the plug pin rods on the two sides are inserted into corresponding inserting grooves respectively, the state of the goods can be limited, the stability of the goods during static is improved, and meanwhile the goods can be stably and stably store