Collision proof device for wharf

The utility model discloses a collision proof device for wharf, including locating a plurality of elasticity anticollision cover towards the pier in the waters vertical side on, locate 2 gasbags on the vertical side of every elasticity anticollision cover lower part, be located 2 crash sensor between the gasbag, locate the controller in the pier, the controller is connected with each crash sensor electricity with every some firearm of locating on every gasbag respectively, every anticollision is covered and all is equipped with 2 openings that correspond respectively rather than 2 gasbags of lower part, every elasticity anticollision cover all is the bar, and the cross section of the crashproof cover of every elasticity all is omega shape, and 2 gasbags that are located every elasticity anticollision cover lower part are all arranged from top to bottom. The utility model has the characteristics of collision reaction rate to harm intensity is higher is fast, can keep apart boats and ships and pier in the twinkling of an eye, can show the security that improves boats and ships and pier.