Outer ditch mold

The utility model provides a ditch outer mold, which belongs to the technical field of engineering construction and comprises a U-shaped template, two groups of support frames and a traveling mechanism, the two supporting frames are arranged at the two ends of the formwork correspondingly. The walking mechanism is arranged at one end of the template, is movably connected with one group of supporting frames, and comprises two rod bodies which are parallel to each other, and the first ends of the rod bodies are movably connected with the supporting frames; the shaft piece penetrates through the second ends of the two rod bodies; the two rotating wheels are respectively sleeved at two ends of the shaft piece; according to the integrated ditch formwork, the ditch formwork is arranged to be integrated, pouring can be conducted on the bottom and the side wall at the same time, time is saved, and the formwork is convenient to move due to the arrangement of the walking mechanism; the rod body is positioned through th