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发明名称
螺纹圈分体潜孔钻头
摘要
螺纹圈分体潜孔钻头其特征是钻头头部与尾部分开,头部内孔与尾部外圆车有螺纹槽,通过螺纹圈使之连成一体。头部和尾部可选用不同材质的钢料,不必进行锻造。预计一个钻尾可配用3~5个钻头。可节省钢材和降低凿岩成本,为用户使用与制造厂商供货提供有利条件。
申请公布号
CN2413013Y
申请公布日期
2001.01.03
申请号
CN00224264.8
申请日期
2000.03.01
申请人
蔡友梅
发明人
蔡友梅;张定梅;蔡永
分类号
E21B10/36
主分类号
E21B10/36
代理机构
代理人
主权项
1.螺纹圈分体潜孔钻头其特征是钻头头部(1)与尾部(5)分开,头部(1)的内孔与尾部(5)的外园车有螺纹槽,通过螺纹圈(3)使之连成一体。
地址
410012湖南省长沙市麓山南路长沙矿山研究院退休处
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