SAE J 700-2011 联结器中心立轴在上部的商用挂车和半挂车

标准号：SAE J 700-2011
中文标准名称：联结器中心立轴在上部的商用挂车和半挂车
英文标准名称：Upper Coupler Kingpin Commercial Trailers and Semitrailers
标准类型：T21
发布日期：2011/7/14 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：T21
国际标准分类号：43.040.70;43.080.10
引用标准：SAE J 133-2011
适用范围：This SAE Standard applies to upper coupler kingpins for commercial trailers and semitrailers in the unladen condition. A 90 ± 1 degree angle extends (in all directions) from the centerline of the kingpin to the upper coupler plate surface within a 48.26 cm (19 in) radius. The upper coupler plate surface should not bow downward (convex) more than 0.635 cm (1/4 in) within a 48.26 cm (19 in) radius or more than 0.3175 cm (1/8 in) at a radius of 25.4 cm (10 in) from the kingpin. The upper coupler plate surface should not bow upward (concave) more than 0.15875 cm (1/16 in) within a 48.26 cm (19 in) radius.