Based on the structural characteristic of the shearer drawbar machine and guide shoes,analyzes the change relation of the drag-flight,trough and rack guide rail inter-position.

• 根据采煤机牵引机构及其导向滑靴的结构特点,分析了刮板输送机溜槽、齿轨相互位置的变化关系,给出了确定导向滑靴与齿轨间配合尺寸的工况条件和设计方法。