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复合地质钻头具有防砂堵塞功能

04 Apr 2024

[发明公告] 具有防砂堵塞功能的复合地质钻头


申请公布号:CN112177531A
申请公布日期:2021.01.05
申请号:2020109160478
申请日期:2020.09.03
申请人:祁东县丰苏钻具有限公司
发明人:邹超李忠勇;陈鹏
地址:湖南省衡阳市祁东县白鹤街道办事处白家村白鹤组101号 421600
分类号:E21B10/16(2006.01)I;


摘要:
本发明提供了一种具有防砂堵塞功能的复合地质钻头,涉及钻探设备技术。该钻头包括一个主体,其上表面设有固定连接器,与内部的轮盘可旋转连接。切割体固定连接在钻头主体上表面的轮盘两侧,且切割体的上表面固定连接有第一切削齿。第一切削齿的侧面内部旋转并连接到辅助盘。半球体、弹性挡板和弹性体阻挡了进水和出水通道以及两个出水孔,在供水后可以打开,防止泥浆进入。通过第二切削齿、第二齿轮齿和第三齿轮齿与中央旋转体的作用破碎岩石,提高了破碎效率。通过两个出水孔与出水头配合工作,实现高效冷却。

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