川煤集团达竹铁山南矿巧改活塞推杆,修复即将报废的风锤,不仅提高了安全系数,而且每年可为该矿节约成本数十万元。随着该矿掘进碛头的增加以及生产任务跟进,2012年4月以来,部分碛头陆续有几台风锤先后报废。经仔细观察,这些风锤报废大都是因活塞推杆损坏造成。为了节约成本,该矿技术人员将价值仅 Sichuan Coal Group up to Tushan Tushan South Mine clever change piston putter to repair the impending scrap of the hammer, not only increased the safety factor, but also for the mine cost savings of several hundred thousand dollars a year. With the increase of moraines and the follow-up of production tasks of the mines, some typhoons have been scrapped since April 2012. After careful observation, most of these hammer scraps are caused by the piston rod damage. In order to save costs, the mine technicians will value only