Arrangement of a drill adapter for a crown drill and an adapted tool for solve of the adapter and centering drill crown drill

• 1. 钻岩工具和用于钻岩工具的钻头 [P] . 中国专利： CN106285489B . 2019.07.23
• 2. 钻岩工具和用于钻岩工具的钻头 [P] . 中国专利： CN106285489A . 2017-01-04
• 3. Drilling crown unit for drilling holes in brickwork has crown and centering drill connected to drive spindle independently of each other [P] . 德国专利： DE102005022918A1 . 2006-11-23

  机译： 用于在砖砌中钻孔的钻冠单元，其冠和定心钻彼此独立地连接至驱动主轴

• 4. Arrangement with earth and rock drilling crown - involves pilot drill crown with threaded shaft on which space-producing drill crown is rotatably and eccentrically located [P] . SE9100032L . 1992-07-05

  机译： 带有土方和凿岩钻冠的布置-涉及带有螺纹轴的先导钻冠，在该钻冠上可旋转和偏心地定位产生空间的钻冠

• 5. Drilling tool device with centering drill and hollow crown drill [P] . 德国专利： DE69624656T2 . 2003-08-21

  机译： 具有定心钻和空心冠钻的钻具装置

• 1. Research on no Dig Directional Drilling Pipeline Laying Technique——The reseach on directional drilling tool [J] . XuLi, ZhangGuozheng, MaWeiguo, 工程科学：英文版 . 2004,第004期
• 2. Similarity evaluation of stratum anti-drilling ability and a new method of drill bit selection [J] . YAN Tie, XU Rui, SUN Wenfeng, 石油勘探与开发:英文版 . 2021,第002期
• 3. Shale Hydrocarbon Development Based on Drill Cuttings TOC Analysis: Case Study of Brownshale Drill Cuttings of Well BS-03, Pematang Formation, Bengkalis Trough, Central Sumatra Basin [J] . Aris Buntoro, Carolus Prasetyadi, Ricky Adi Wibowo, 长江油气(英文版) . 2020,第003期
• 4. Safeguarding Pressure Integrity of Surface Well Control Equipment: A Review of Fastlock Drilling Adapter and Blow Out Preventer Connection Failure in High Pressure Well [C] . S. O. Awe, A. Erinle, A. Akinfolarin Nigeria Annual International Conference and Exhibition . 2015
• 5. The influence of heat production relative to drill wear during osteotomy preparation by different implant drill systems: A comparison study between ceramic and conventional implant drill systems [D] . Alyassin, Waleed 2010
• 6. Investigation on the Effect of a Pre-Center Drill Hole and Tool Material on Thrust Force Surface Roughness and Cylindricity in the Drilling of Al7075 [O] . Amir Hossein Ghasemi, Amir Mahyar Khorasani, Ian Gibson 2018
• 7. Investigation on the Effect of a Pre-Center Drill Hole and Tool Material on Thrust Force, Surface Roughness, and Cylindricity in the Drilling of Al7075 [O] . Amir Hossein Ghasemi, Amir Mahyar Khorasani, Ian Gibson 2018

• 1. Similarity evaluation of stratum anti-drilling ability and a new method of drill bit selection [J] . YAN Tie ,XU Rui ,SUN Wenfeng . 石油勘探与开发 . 2021,第002期
• 2. Microstructure and properties of composites gun drill bit/drill pipe interface produced by 3D printing method [J] . 赵菲 ,王康 ,段宣政 . 中国焊接:英文版 . 2021,第4期
• 3. 钻扩桩施工及扩底钻头设计问题初探 [C] . 王希源 ,张德玮 ,张红兵 . 第六届深基础工程发展论坛 . 2016
• 4. 钻式采煤机钻头应力检测方法研究 [A] . 赵宁 . 2017