This paper analyzes forces in loader shovel during shovel ' s fetching material from a stockpile and forces in operation mechanism components , and builds force and torque matrix equations 摘要在對(duì)料堆中鏟斗鏟取過(guò)程進(jìn)行受力分析的基礎(chǔ)上,對(duì)裝載機(jī)工作裝置各構(gòu)件進(jìn)行了受力分析,建立了力及力矩平衡的矩陣方程。