Small portable transmission protection device

The utility model discloses a small convenient transmission protection device, and belongs to the field of transmission protection devices, the small convenient transmission protection device comprises two supporting frames arranged in parallel, a metal mesh is arranged between the two supporting frames and detachably and fixedly connected through a connecting piece, and the bottom ends of the supporting frames are fixedly connected with a bottom plate; stability maintaining assemblies are arranged between the bottom plate and the corresponding supporting frames, the distances from the two stability maintaining assemblies to the supporting frames are inconsistent, the connecting pieces specifically comprise threaded holes and self-tapping flat head bolts matched with the threaded holes, the multiple threaded holes are distributed in the side faces of the supporting frames in an array mode, and the self-tapping flat head bolts are matched with the threaded holes. The four corners of the metal mesh are located