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液压凿岩机是凿岩台车的主要工作装置,本文介绍液压凿岩机工作原理及产生气蚀原因,分析气蚀危害,提出减少发生气蚀的方法,为凿岩台车使用者提供帮助。1.液压凿岩机工作原理液压凿岩机设有旋转、冲击和缓冲3种功能,这3种功能的工作原理如下所述。(1)旋转动作液压凿岩机旋转工作原理如图1所示。凿岩台车输出的压力油进入旋转马达12,带动旋转马达12输出轴旋转,旋转马达12输出的旋转力经旋转轴10、齿轮9、旋转套3传递至钎尾1,带动钎杆和钎头旋转。
Hydraulic rock drill is the main working device of rock drill. This paper introduces the working principle of hydraulic rock drill and the cause of cavitation, analyzes the hazard of cavitation and puts forward the method to reduce the cavitation. It is helpful for users of rock drill. 1. Hydraulic rock drill works Hydraulic rock drill with rotation, shock and buffer 3 kinds of functions, the working principle of these three functions are described below. (1) Rotary motion Hydraulic rock drill rotation principle shown in Figure 1. The pressure oil output by the drilling rig enters the rotary motor 12 and drives the output shaft of the rotary motor 12 to rotate. The rotary force output by the rotary motor 12 is transmitted to the shank 1 via the rotary shaft 10, the gear 9 and the rotary sleeve 3, Head rotation.