A earthing device for petroleum engineering

• Main Authors: ZHOU XIAOYING, XU CHUNRONG, GUO QINGJUN, CHEN JUN, ZHANG TONG, CUI FENGGANG
• Format: Patent
• Language: Chinese; English
• Published: 22.06.2018
• Subjects: BASIC ELECTRIC ELEMENTS; CURRENT COLLECTORS; ELECTRICITY; LINE CONNECTORS

The utility model discloses an earthing device for petroleum engineering, including extension core bar, supporting seat, rotation handle, the second body of rod and the third body of rod, the back mounted of supporting seat has the footboard, the second body of rod is installed through the secondary drive screw thread in the top of supporting seat, the bottom of the third body of rod is equipped with the drill bit, install the extension core bar that extends to the top in the cavity of the second body of rod, install the first body of rod on the extension core bar that spacing bolt top position was located down, install the rotation handle that extends to the actuating mechanism outside through the through -hole in the actuating mechanism, the hexagonal handle is installed on actuating mechanism's top. The utility model relates to a rationally, the practicality is strong, has the installation and dismantles simple and conveniently, can relapse repetitious usage, need not implement thewelding, to execute indus