Urban road decelerator

The utility model discloses an urban road decelerator, including a metal support, a cavity is seted up to the up end of support, and the support passes through screw and ground fixed connection, the lateral wall of support is all seted up one and is led to the groove, and every leads to inslot and all installs a fixture block, and a rubber pad is respectively installed to the both sides outside that is located the support, and the rubber pad lateral wall that is just leading to the groove to stent sidewall has been seted up one and has been made a concession the groove, and make a concession and transversely seted up the spout on the groove, it respectively sets up a slider to sliding groove position to rectify around the fixture block, the rear end activity of fixture block sets up in the spout, the outside end of fixture block sets up a fixed block, the fixed block sets up in the inslot of making a concession of rubber pad, top -down runs through and sets up a constant head tank on the fixed block, is just setting up a picture peg on the rubber pad to the constant head tank upper end, an installation cushion in the cavity of support up end. The utility model discloses simple structure, the equipment is convenient, and the installation is firm, and the dismantlement maintenance is simpler, reduces use cost, long service life.