HINGE APPARATUS FOR LAND HILL BRIDGE

摘要

PURPOSE: A hinge device for a hill bridge is provided to move a hill bridge back and forth by the movement of a floating pier and to prevent the hinge device from being damaged. CONSTITUTION: A hinge device for a hill bridge comprises an upper plate(30), a middle plate(31), and a lower plate(32). An upper panel of a hill bridge is placed on the top of the upper plate. Multiple first hinge parts(34) are formed in the bottom of the upper plate. A hinge shaft(33) is inserted into the first hinge parts. Multiple second hinge parts(35) are formed on the top of the middle plate and are arranged crossing the first hinge parts. A concave part(37) is formed on the bottom of the middle plate. A convex part(38) is formed on the top of the lower plate.