Road is from going up and down overspeed governor in district

The utility model relates to a road is from going up and down overspeed governor in district, the on -line screen storage device comprises a base, the base sets up the road surface below at the road the speed limit strip, compression spring, the base spring guide pillar, speed limit strip spring guide pillar, by the present technical scheme, when the overspeed governor is pressed to the car, speed limit strip on the overspeed governor can arrive on the position of putting down with the surface phase in the retraction, make the car through the time can not produce strong seismaesthesia and jolt, and just return rapidly behind the bellied speed limit strip atress and contract, basically, do not bear huge the rolling of car, the absolute altitude of speed limit strip is less than the safety height of car main frame, thereby the effectual speed of traveling that restricts the car, stopped to slow down to the damage of car and jolt because of the speed limit, speed limit strip top is trapezoidal form, slope steadi