Support collapse prevention device for municipal shallow foundation trench or shallow trench

The utility model relates to the technical field of municipal engineering, and discloses an anti-collapse device for supporting a municipal shallow foundation trench or a shallow trench, which comprises two groups of supporting columns arranged in rows, and a plurality of supporting columns arranged in rows, the lower ends of the supporting columns are inserted into a soil body at the bottom of the trench; the connecting rods are arranged between every two adjacent supporting columns which are arranged in rows, and the two ends of each connecting rod are fixedly connected with the side walls of every two adjacent supporting columns which are arranged in rows respectively; the transverse supporting assembly is arranged between the two sets of supporting columns, and the two ends of the transverse supporting assembly abut against the side walls of the two sets of supporting columns respectively. A safe and effective supporting structure can be formed, the construction danger caused by collapse or chipping on th