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液压驱动水下钻机动力头
曾提; 孙彦敏; 韦刚健; 邓文峰; 陈洪舟; 刘燕辉; 黄永春
2017-08-23
Country中国
Patent NumberZL201721063801.8
Rights Holder中国科学院广州地球化学研究所 ; 广东地质物资总公司湖南状元地质装备有限公司
Contribution Rank1
Abstract本实用新型公开了一种液压驱动水下钻机动力头,包括壳体、深沟球轴承、心轴密封组件、机械弹簧、角接触球轴承、心轴和心轴下端盖,所述壳体、深沟球轴承、心轴和角接触球轴承之间构成环状空间,所述心轴密封组件设置在环状空间的上下两端,所述机械弹簧位于心轴密封组件之间,所述心轴下端盖固定在壳体下端面,所述心轴下端设有用于连接钻杆的外螺纹。本实用新型的轻便式液压驱动水下钻机动力头,动力头和钻杆螺纹连接,结构紧凑,不容易掉钻具,机械弹簧够有效减缓对动力头的冲击振动作用,保护螺纹,增加动力头的使用效率和寿命,能够引入海水或冲洗液进入心轴,不仅适用于水下岩芯钻机,也可应用于陆地岩芯钻探。
Date Available2018-04-10
Language中文
Application NumberCN201721063801.8
Open (Notice) NumberCN207212270U
Document Type专利
Identifierhttp://ir.gig.ac.cn/handle/344008/35675
Collection专利
Recommended Citation
GB/T 7714
曾提,孙彦敏,韦刚健,等. 液压驱动水下钻机动力头. ZL201721063801.8[P]. 2017-08-23.
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