Dragging type triangular timber tracker of bridge girder erection machine

The utility model relates to a dragging type triangular wood tracker of a bridge girder erection machine, and belongs to the field of bridge girder erection machine anti-sliding devices, the dragging type triangular wood tracker comprises a triangular wood body and a dragging assembly, the triangular wood body is slidably arranged on a base plane behind the bridge girder erection machine, and the triangular wood body is used for abutting against a rear wheel of the bridge girder erection machine; the pulling assembly is arranged on the triangular timber body and used for being flexibly connected with the bridge erecting machine. A constructor flexibly connects the triangular wood body to the bridge girder erection machine through the pulling assembly, when the bridge girder erection machine walks, the triangular wood body can be dragged to move synchronously, the triangular wood body is located behind the bridge girder erection machine all the time, if the bridge girder erection machine tends to slide, the tr