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金刚石复合芯钻头,便于推进

05 Jun 2024

[实用新型] 便于推进的金刚石复合片取芯钻头


授权公告号:CN207728312U
授权公告日期:2018.08.14
申请编号:2017215725898
申请日期:2017.11.22
专利权人:祁东县丰苏钻具有限公司
发明人:李晓欢邹超李忠勇
地址:湖南省衡阳市祁东县洪桥镇南山路178号 421600
分类号:E21B10/48(2006.01)I


摘要:
实用新型公开了一种便于推进的金刚石复合片取芯钻头,包括钢体和切削齿。钢体为管状,一端为连接钻探设备的连接端,另一端为连接切削齿的连接端。有多个切削齿,均匀排列成环形并焊接在钢体的一端表面;切削齿端部的切削面呈扇形。切削齿为柱状,其径向截面呈扇形,其弧面牢固地连接在钢体的切削齿连接端的端面上,侧壁上的两个平面交界处有切削刃。扇形是由一条弧线和两条直线形成的封闭图形。由于切削齿形状的改变,该取芯钻头在其工作面(即切削面)上的阻力减小,显著提高了推进速度。

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