Fence for short-term construction of municipal engineering road

The utility model discloses a municipal engineering road short-term construction fence which comprises supporting columns, the number of the supporting columns is two, transmission frames are symmetrically arranged at the tops and the bottoms of the interiors of the supporting columns, sliding rails are arranged at the tops and the bottoms of the interiors of the two transmission frames, and second sliding blocks are arranged in the two sliding rails in a sliding mode. Tooth plates are arranged on the sides, close to each other, of the two second sliding blocks, transmission blocks are arranged on the sides, away from each other, of the two tooth plates, placing grooves are formed in the two sides of the supporting column, and transmission rods are symmetrically arranged at the top and the bottom of one end of the front face of the supporting column. The fence is disassembled through mutual cooperation of the transmission rod, the fixing block, the second groove, the gear, the transmission block, the containi