摘要
根据采煤机螺旋滚筒截煤和装煤特点，分析了现有滚筒存在的主要问题，探讨了新型螺旋滚筒的具体结构及优点。
Abstract Based on the features of coal cutting and loading of helical drum on a shearer,the author analyzed the main problems of existing drums.The construction of the new helical drum and its advantages are also discussed in this paper
