The paper introduces A-type derrick of the spindle drill about the design process, reasonable structure, operating requirement, technical parameter determination, load analysis and calculation.
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杨宏伟.立轴式岩心钻机配A型钻塔的技术探讨[J].钻探工程,2012,39(5):49-52.YANG Hong-wei. Technical Discussion on A-type Derrick of the Spindle Core Drill[J]. Drilling Engineering, 2012,39(5):49-52.