Novel safety buckle for overhead working truck

The utility model relates to a novel safety buckle for an overhead working truck, which is characterized in that a limiting hole is arranged on a plug handle of a plug, a jack is longitudinally arranged on a socket, the structure of the jack is matched with that of the plug handle, a limiting mounting hole is transversely arranged on the socket, and an elastic piece and a limiting piece are arranged in the limiting mounting hole. One end of the elastic piece is connected with the inner wall of the insertion hole, the other end of the elastic piece is connected with the limiting piece, an insertion handle hole is formed in the limiting piece, a limiting part is arranged in the insertion handle hole, and the limiting part is matched with the limiting hole; and a detection element is arranged at the bottom of the jack and is electrically connected with an electric control circuit of the overhead working truck. According to the novel safety buckle for the overhead working truck, the elastic piece arranged in the