The utility model discloses a structure is organized to drill bit for municipal construction, including the bottom plate, the upper end of bottom plate is fixed with the bracing piece, be fixed with the loading board on the bracing piece, be equipped with two first spouts on the loading board, install first slider in the first spout, be fixed with the second hydro -cylinder on the one end lateralwall in the first spout, comprising a base plate, the upper end of first slider is fixed with the second perforating device, be equipped with clamping device on the loading board, be equipped with elevating gear on the bracing piece, the last movable block that is equipped with of elevating gear, be equipped with first perforating device on the movable block. The utility model discloses a combination of hydro -cylinder, clamping device and a plurality of perforating devices can be punched to the different positions of work piece simultaneously, and can carry out stable fixing, facilitates theuse suitable the popularization.