Curb for municipal works

The utility model discloses a curb for municipal works, including the curb main part, the inside central point of curb main part puts and installs the fixing base, both ends all are equipped with thespout about the outer wall of fixing base, first spring is installed on the right side of fixing base, the second spring is installed on the right side of supporting seat, the pressure motion block isinstalled on the right side of second spring, the buffer board is installed on the right side of catch bar. This curb for municipal works, through when the vehicle impact buffer board, the buffer board drives catch bar lateral movement left, it moves to press movable plate drive slide bar to sideslip in the inside of sliding tray left, the connecting plate drives connecting rod lateral movement left, the connecting rod drives presses the inside lateral movement of motion block, it stretches out and draws back to press the motion block pressure to move the second spring, the second spring further reduces the impact tha