文献类型：专利

英文题名：Manual multi-purpose drilling device, has drilling rod passed through central hole, rotating cylinder provided with screw thread, and screw connected with flange, where upper part of drilling rod is connected with annular ring

作者：XU Z;ZHANG C;WANG J

机构：[1]UNIV EAST CHINA SCI & TECHNOLOGY

申请号：CN103212734-B

公开日：2015-05-27

语种：英文

收录：DERWENT

摘要：NOVELTY - The device has a drilling rod (2) passed through a central hole. A rotating cylinder (4) is provided with a screw thread that is arranged on an outer sleeve (6). A screw is connected with a flange. An upper part of the drilling rod is fixedly connected with an annular ring (5). A support plate (10) is arranged on a nut (9) that is matched with a double head screw (8). The double-head screw is placed in a bowl. The sleeve is connected with the support plate. The drilling rod is formed with a square shaped structure. USE - Manual multi-purpose drilling device. ADVANTAGE - The device realizes manual drilling process in an accurate manner, and is flexible to use. DESCRIPTION OF DRAWING(S) - The drawing shows a sectional view of a manual multi-purpose drilling device. Drilling rod (2) Rotating cylinder (4) Annular ring (5) Outer sleeve (6) Double head screw (8) Nut (9) Support plate (10)