The major causes of falling - away of the steering universal joint of jiefang ca1111k2lw logging truck are analysed in a scientific way , implying that the steering universal joint is a key device for transfering moment of force 科學(xué)地分析了解放ca1111k2lw型運(yùn)材車轉(zhuǎn)向萬向節(jié)脫落的主要原因,指出了轉(zhuǎn)向萬向節(jié)是傳遞力矩的關(guān)鍵裝置,詳細(xì)地介紹了在不改變?nèi)f向節(jié)上接叉設(shè)計情況下,通過在上接叉鎖定螺栓接口上加裝固定套,使之與方向盤縱桿頭花鍵凹槽緊緊配合的好方法。