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1·To analyze the nonskid condition of the longitudinal knife of the splitting machine based on its force diagram, which provides theoretical basis for designing longitudinal knife.

由分切机纵切刀的受力图，分析纵切刀不产生打滑的条件，为设计纵切刀提供理论依据。

2·The PC controlled test machine was applied to the Brazilian splitting test of lump coal and the acoustic emission features of the coal during the Brazilian splitting process was studied.

利用微机控制试验机进行了煤试样的巴西劈裂试验，对煤巴西劈裂全过程中的声发射特征进行了研究。