CB/T806-94表1mm产品适用製链本体末端卸扣末端链环眼展开长度成套重量型号镭链d母代GB549、GB550GB549、GB550代号kg22Z192222Z-1MX24M2422-210003122Y22Y-128Z242828Z-1M30M3028-212185928Y28Y-134Z303434Z-1M36M3634-214369834Y34Y-140Z364040Z-1M42M4240-2165016040Y40Y-146Z424646Z-1M48M4846-2191523146Y46Y-13.2掣链本体结构型式和基本尺寸见图2和表2。图21一底座：2一转轴3一上盖：4一压紧装置：5一横销注：图为右(Y)式，左(Z)式与之对称。2
