Bridge protective armor

The utility model discloses a bridge protective armor. The bearing comprises an inner ring and an outer ring, annular grooves are formed in the opposite faces of the inner ring and the outer ring. A cylindrical roller is assembled between the inner ring and the outer ring through the annular groove; the number of the rollers is multiple, three or more pipe sleeves are annularly arranged on the inner surface of the inner ring, the pipe sleeves are provided with internal threads and matched with fastening screws through the pipe sleeves, stress blocks are machined at the ends, away from the pipesleeves, of the fastening screws, and a protective layer made of rubber is fixed to the outer wall of the outer ring in a glued mode. Impact protection can be achieved, meanwhile, the direction of aship can be guided, and further damage is avoided. 本实用新型公开了一种桥梁防护装甲，包括内圈和外圈，所述内圈和所述外圈的相对面上均设置有环形槽，在所述内圈和所述外圈之间通过所述环形槽装配有圆柱形的滚筒，所述滚筒设置有多个，在所述内圈的内表面处环形设置有三个以上的管套，所述管套具有内螺纹，通过所述管套配合有紧固螺丝，所述紧固螺丝远离所述管套的那一端加工有受力块，在所述外圈的外壁处胶合固定有橡胶材质的