双向气动冲击机构配气行程设计研究
投稿时间：2013-04-10  修订日期：2013-06-30  点此下载全文
引用本文：郭云,隆威.双向气动冲击机构配气行程设计研究[J].钻探工程,2013,40(9):37-40.
GUO Yun,LONG Wei. Study on the Design of Gas Distribution Stroke for Two-way Pneumatic Impact Mechanism[J]. Drilling Engineering, 2013,40(9):37-40.
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作者单位E-mail
郭云* 中南大学地学院有色金属成矿预测教育部重点实验室 guoyun1988@gmail.com 
隆威 中南大学地学院有色金属成矿预测教育部重点实验室  
中文摘要:冲击回转挤密法钻进是一种先进的土层锚杆成孔工艺方法\[1\]。双向气动冲击机构是其成孔设备双向气动潜孔锤的核心机构，配气行程长度的设计是否合理关系到潜孔锤正向冲击时的工作性能及能否实现有效的反向冲击。在分析配气原理的基础上，采用分段计算法，结合有限差分原理对双向气动冲击机构的配气行程长度设计进行了研究，并提出了双向气动冲击机构配气行程长度比的设计参考值。
中文关键词:锚固工程  双向气动冲击机构  配气行程设计  有限差分
 
Study on the Design of Gas Distribution Stroke for Two-way Pneumatic Impact Mechanism
Abstract:Impact rotary compacting drilling is a kind of advanced soil anchor hole forming method, two-way pneumatic DTH hammer is the main equipment used for it. Its critical device is two-way pneumatic impact mechanism; the gas distribution stroke design is related to the DTH hammer conventional working performance and realization of effective reverse impact. Based on the analysis on DTH hammer gas distribution theory, using section calculation method and finite difference principle, the study was made on the design of gas distribution stroke length of two-way pneumatic impact mechanism and put forward the design reference value of gas distribution stroke length ratio.
keywords:anchorage engineering  two-way pneumatic impact mechanism  gas distribution stroke design  finite difference principle
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