【摘要】 通过电牵引采煤机牵引部、截煤部中采用行星机构的实际使用状况，就行星齿轮设计中如何进一步提高使用寿命的若干问题进行分析探讨。更多还原

【Abstract】 In accordance with specific condition by using Planet Mechanism in AC Electric Haulage Shearer’s haulage department and cutting department,analysing several questions about how to take further improving the employ life in designing planet gear.更多还原