潜孔钻KQ-150是我矿业公司穿孔作业的重要设备,但在生产中,钻杆插座经常断裂,更换频繁,这样既降低图1了生产率,又造成了物力、人力的浪费。1原因分析1.1钻杆插座原来的检修过程及其产生的弊病首先将断裂的插座从钻杆上用气焊割掉,测出钻杆内的最小直径,再将新钻杆插座送机修车? Down hole drill KQ-150 is an important equipment for perforation work of mine company. However, in production, drill rod socket is often broken and replaced frequently, which not only reduces the productivity of Figure 1, but also results in material and manpower waste. Analysis of the reasons 1.1 The original repair process of the drill pipe socket and the resulting defects First of all the broken socket from the drill pipe with gas welding cut off to measure the smallest diameter drill pipe, and then send the new drill socket repair car?