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高效地质钻头:扩展的地层适用性

23 Apr 2024

[发明公告] 一种具有扩展地层适用性的高效地质钻头

申请公布号:CN112177532A
申请公布日期:2021.01.05
申请号:2020109502174
申请日期:2020.09.11
申请人:祁东县丰苏钻具有限公司
发明人:李晓欢邹超李忠勇; 陈顺成
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:E21B10/32(2006.01)I;


摘要:
该发明提供了一种高效的地质钻头,具有扩展的地层适用性,涉及钻头加工技术领域。该钻头包括一个上端带有第三基座的第一外壳,第三基座上装有第二切削齿。第一外壳的上端面设有一个放置孔,放置孔内滑动连接有顶柱。顶柱的上端设有第一基座,第一基座的侧端设有第二基座。顶柱的下端装有液压伸缩杆,液压伸缩杆的外表面滑动连接有密封圈。密封圈的外表面固定连接有第二限位套,第二限位套又固定连接在第一外壳上。液压伸缩杆驱动顶柱伸出,使第一和第二基座进行初步钻探,而第三基座增强了钻头的适用性和使用寿命。

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