| 双钻具钻进回转供风排渣结构设计 |
| 投稿时间：2011-06-21 修订日期：2011-11-10 点此下载全文 |
| 引用本文：夏志明,李贺岩,薛军.双钻具钻进回转供风排渣结构设计[J].钻探工程,2011,38(11):48-50.XIA Zhi-ming,LI He-yan,XUE Jun. Structure Design of Rotary Air Supply and Slag Removal for Double-tool Drilling[J]. Drilling Engineering, 2011,38(11):48-50. |
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| 中文摘要:双钻具钻进回转供风、排渣机构是动力头的关键部分，其密封装置的运转质量又是钻机正常运转的重要保证。叙述了旁侧供风和中心供风的结构形式，着重介绍了排渣系统的密封件选择及结构特点。 |
| 中文关键词:回转供风 排渣 旁侧供风 中心供风 密封圈 |
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| Structure Design of Rotary Air Supply and Slag Removal for Double-tool Drilling |
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| Abstract:Rotary air supply and slag removal mechanism for double-tool drilling are the key parts of the power head, and the operation quality of its sealing device is the important guarantee for drilling machine normal operation. The structure forms of flanking and central air supply are described, the choice of sealing elements and structural characteristics of slag removal system are emphatically introduced in this paper. |
| keywords:rotary air supply slag removal flanking air supply central air supply sealing ring |
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