1事故调查2006年6月在株洲车辆段管内发生了1起车钩分离事故,事故车辆为P64GK型棚车,空车状态,采用了13A型上作用车钩、ST型缓冲器。该车南端1位车钩钩头已大部分被拉出,因钩提链吊着上锁销,其车钩才未全部拉出。车钩缓冲器装置中丢失了钩尾销和横穿螺栓,车钩其他配件齐全且无破损和作用不良。 1 Accident Investigation In 2006 June in Zhuzhou depot tube occurred a coupler accident, the accident vehicle P64GK type box car, empty state, the use of the 13A on the role of coupler, ST buffer. The car at the southern end of a coupler hook has been most of the hook was pulled out, because the hook chain hanging chain lock pin, the coupler was not all pulled out. Latch hook pins and crossbolts are missing from the coupler bumper assembly, and other parts of the coupler are undamaged and undamaged.