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1·Therefore this system is a effective means for developing a hydraulic rock drill.

因此该系统是研制液压凿岩机的重要辅助手段。

2·The paper, first puts forward a rock drill should not be studied as a single object.

在对凿岩系统参数匹配进行研究时，首次从理论上提出了不应将凿岩机单独作为一个研究对象。

3·For small rotary rock drill bits and rotary prospecting bits to cut soft, medium-hard rock.

用于中小规格冲击钻及旋转勘探钻具，凿进软岩层、中硬岩层。

4·This paper designed a new type of muffler for pneumatic rock drill with the theory of impedance.

利用阻抗消声原理为气动凿岩机设计了一种新型的消声罩。

5·The invention relates to a handheld electrical tool (1) in particular drill, rock drill or hammer drill.

本发明涉及一种手持式电动工具机（1）尤其是钻机、冲击钻机 或者锤钻。

6·Rock drill-ability is the basic parameter to optimize bits, make drilling plan and reduce drilling cost.

岩石可钻性是优选钻头，制定生产定额以及降低钻井成本的基础。

7·Leading energy loss of the flow valve in hydraulic rock drill was analyzed and its formula was presented.

分析了液压凿岩机配油阀的主要能量损失，给出了其计算表达式。

8·The energy loss of the impact mechanism of hydraulic rock drill greatly affects drilling efficiency when it operates.

液压凿岩机工作时，冲击机构的能量损失对其效率有很大的影响。

9·A finite elenent analysis of telescopic arm of TR1000 rock drill is made by using the finite element software Ansys8.

0有限元分析软件为工具，对TR1000型凿岩机伸缩臂结构进行有限元分析，运用节点自由度耦合技术来模拟各节臂的连接。

10·What we have done in this paper is of great significance in designing the heavy rock drill to drill deep and large diameter hole.

为大孔径深孔凿岩的重型液压凿岩机的研究与研发打下理论和实践基础。

凿岩机

1·On the basis of theoretical linear model, the paper studies the influence of input flow on operating parameters of shock mechanism for hydraulic rock drill, and a series of brief formulae are derived.

在理想线性模型的基础上，研究了输入流量对液压凿岩机冲击机构工作参数的影响，得到了一组简明公式。

2·This paper designed a new type of muffler for pneumatic rock drill with the theory of impedance.

利用阻抗消声原理为气动凿岩机设计了一种新型的消声罩。

3·Therefore this system is a effective means for developing a hydraulic rock drill.

因此该系统是研制液压凿岩机的重要辅助手段。