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Ramp bridge

机译:匝道桥

摘要

A ramp member for a loading dock has a bridge member with a forward and and rearward end. The rearward end is connected to the loading dock so as to be pivotable about a horizontal axis. An extension plate is connected with a first end by a pivot connection to the forward end of the bridge member such that the extension plate is pivotable from a folded position into a working position. In the rest position of the bridge member the extension plate is folded and rests on an abutment for supporting the bridge member. The first end of the extension plate has a projection extending over its entire length. The projection has a cross-sectional shape of a circular ring sector with an inner and an outer radius. The outer surface of the projection is defined by the outer radius and the inner surface is defined by the inner radius. A profiled member with an interior space is connected to the forward end of the bridge member and extends over the entire length of the pivot connection. The projection extends into the interior space of the profiled member. The profiled member has a bead on which the projection is pivotably supported with its inner surface. The bead defines the pivot axis of the pivot connection. The inner radius of the projection and the exterior radius of the bead are identical.
机译:用于装卸平台的斜坡构件具有桥构件,该桥构件具有前端和后端。后端连接到装卸台,从而可绕水平轴枢转。延伸板通过枢轴连接与第一端连接到桥构件的前端,使得延伸板可从折叠位置枢转到工作位置。在桥接构件的静止位置,延伸板被折叠并且搁在用于支撑桥接构件的支座上。延伸板的第一端具有在其整个长度上延伸的突起。突出部具有带有内半径和外半径的圆环扇形的横截面形状。凸起的外表面由外半径限定,而内表面由内半径限定。具有内部空间的异型构件连接到桥构件的前端,并在枢轴连接的整个长度上延伸。突出部延伸到型材的内部空间中。异型构件具有凸边,凸出部以其内表面可枢转地支撑在凸边上。凸缘限定了枢转连接的枢转轴线。凸起的内半径和胎圈的外半径是相同的。

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