Some unresolved problems are put forward according to the using conditions of the domestic reverse-circulation percussion rigs, and the rig's percussion mechanism, "invalid percussion", the utility of hydraulic system and safety in production are discussed in this paper.
根据现有国产反循环冲击钻机目前的使用情况 ,提出了一些尚待解决的问题 ,针对这种钻机的冲击机构、“空打”、液压系统利用、安全生产等问题进行了讨论 ,并解决了其中的个别问题 ,提出了某些问题的解决途径。
Some key technical problems in research and manufacture of CFZ-1500 percussion reverse circulation drill are discussed in this paper, including crank connecting rod clevel automatical percussion mechanism, forced balance of synchronous hoist system, reverse circulation system as well as percussion bit.
探讨了CFZ - 1 50 0型冲击反循环钻机研制中的几个关键技术问题 :采用曲柄摇杆自动冲击机构 ;采用潜水砂石泵实现反循环 ;采用同步卷筒解决 2根钢丝绳的受力平衡 ;采用棘轮式可旋转冲击反循环钻头。
In the paper, the vibration isolation for impact machine is numerically simulated.
给出了双自由度有阻尼自由振动系统方程的解耦方法与冲击机械隔振的数值仿真过程；介绍了作为隔振元件的叠板弹簧阻尼性能及其使用特点；详细分析和研究了叠板弹簧动摩擦系数及系统隔振频率对系统振动参数的影响。
Aiming at the dynamic qualities of the machine system, several typical inverse design problems and approaches in impact machine systems have been studied systematically.
在综合分析反演设计理论及应用现状的基础上，从设计方法学和反问题研究融合的角度，深入探讨了反演设计方法中的共性问题；以机械系统动态品质为目标，系统研究了冲击机械系统几种典型的反演设计问题和方法，并将这些方法应用到具体的设计之中。
Dynamic Strain is a kind of sudden stress wave which engendered by the impact machine.
冲击机械产生的动态应变信号是一种瞬态的应力波,广泛存在于冲击系统中,对其检测可以对冲击系统进行监测和分析以及优化冲击部件的设计。
The structure,make up and operational principle of the vertical impact machine are intruduced.
介绍了垂直冲击机的结构、组成及工作原理;根据垂直冲击试验的各项技术要求建立校准系统,确立校准方法;采用计算机对整个校准过程的校准结果进行数据采集和波形分析,并针对不同试件调整其校准方法。
Effects of HardNonlinear Cushion for Drop Shock Machineto Simulation of HalfSine Waveform;
跌落冲击机垫层的硬非线性对半正弦波模拟的影响