Bridge anti-collision arresting cable

The utility model provides a bridge anti-collision arresting cable which comprises a bridge, an anti-collision arresting cable body is arranged on one side or two sides of the bridge, the anti-collision arresting cable body comprises two stand columns, the stand columns are arranged on two sides of a channel or two banks of a river channel and connected through flange type rod pieces or joint type rod pieces, and a pulley block is arranged at the top end of each stand column. The two stand columns are connected through a steel cable, the steel cable stretches across the two sides of a river channel and bypasses the pulley block to be connected with the anchorage device or the sinking block, the installation height of the steel cable is equal to the set clearance height of a bridge navigation hole, and the width between the two stand columns is equal to the set clearance width of the bridge navigation hole. The device is provided with the anchorage device or the sinking block, the anchorage device or the sinki