我县工具改革运动中工人周喜章(铁工)配合五里店机械厂李石头等九人,经过九天的苦干、巧干、二十五次的失败教训,克服了重重困难,创造成功了自动双锤快速打炮眼机,效率提高五倍以上。现已在全县推广一百六十多部。这部打炮眼机的结构(见附图)共分为四部分。一是自动升降架,带六条可以伸缩的腿子,可以立放或卧放,既可以打平眼,又可以打立眼、斜眼;二是铁锤两个,锤柄连在中轴上,摇转中轴,轮动铁锤, In the county tool reform movement, worker Zhou Xizhang (iron worker), together with Li Shitou and other nine people from Wulidian Machinery Factory, overcame numerous difficulties and succeeded after nine days’ hard work, clever work and twenty-five unsuccessful lessons Automatic double-hammer quick-blow eye machine, more than five times more efficient. Now in the county to promote more than 160 department. The structure of this shot hole machine (see photo) is divided into four parts. First, automatic lifting frame, with six legs can be retractable, you can stand up or lie down, you can play flat, but also hit the eye, squint; second hammer two, hammer handle attached to the shaft, shake Turn the shaft, wheel hammers,