提出了设计手持式液压凿岩机的目标函数。
A target function for design of hydraulic hand drills is brought forward in this paper.
因此该系统是研制液压凿岩机的重要辅助手段。
Therefore this system is a effective means for developing a hydraulic rock drill.
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。
Leading energy loss of the flow valve in hydraulic rock drill was analyzed and its formula was presented.
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。
What we have done in this paper is of great significance in designing the heavy rock drill to drill deep and large diameter hole.
通过对各种工作机理的液压凿岩机全面分析，确定为压力反馈式全液压重型凿岩机。
By the comprehensive analysis and comparison to various working mechanism of the hydraulic impactor, the design decision of the article is definited as pressure feedback hydraulic heavy drill.
本文介绍了YYG系列液压凿岩机的工作原理，结构特征以及生产应用取得的结果。
In this paper the operating principle, structural features and applications in production of YYG series of hydraulic drills will be described.
研究了液压凿岩机活塞与缸体间隙密封段的局部温升和能量损失，建立了其数学模型。
Local temperature rising and energy loss in sealing gap between piston and hole was analyzed and its mathematic model was set up.
本文介绍了液压凿岩机性能参数测试仪的工作原理、系统框图、主要技术指标及使用情况。
This paper describes the operating principle, the block diagram for the system, the specifications and applications of model YXCH-1 tester of parameters for hydraulic drills.
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。
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.
根据水压凿岩机液压传动原理和使用要求，详细介绍了凿岩机中冲击器、操纵阀和支腿的结构特点和设计方法。
According to the drive mechanism and the demand of the hydraulic rock drill, the structure character and the designing ways of the impact device, control valve and supporting arm were introduced.
根据水压凿岩机液压传动原理和使用要求，详细介绍了凿岩机中冲击器、操纵阀和支腿的结构特点和设计方法。
According to the drive mechanism and the demand of the hydraulic rock drill, the structure character and the designing ways of the impact device, control valve and supporting arm were introduced.
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