Emergency stopping device of medium and small sized road rollers

The utility model relates to an emergency stopping device of medium and small sized road rollers, which comprises stoppers, a connecting disc, a braking seat board, a stopping shaft, a pull pin, an oil cup, a rubber jacket, a pressure spring, a spring stopper, an operating flexible shaft, a sudden stop pull button and a turning cover, wherein the inner side of a driving rim of the road roller are fixedly connected with four to six stoppers; the braking seat board is connected on the connecting disc through bolts; the connecting disc is in rigid connection with a road roller main machine; the stopping shaft is arranged in a hole in the braking seat board and is limited through the pull pin; the pull pin is arranged in a pin hole of the braking seat board; the pressure spring tightly presses the pull pin; one end of the operating flexible shaft is connected with the pull pin, and the other end of the operating flexible shaft is connected with the sudden stop pull button; the operating flexible shaft extends to