Hole diameter instrument dismouting major -minor instrument for spring

• Main Authors: WANG LIPING, DING YAN, HAN LI, PAN YAN, ZHANG YONGMEI, JING DAWEI, ZHOU WEI, XU CHANGGANG, ZHENG XIN, WANG YUPING, HU JUN, YOU LIHONG, SONG XUEXIN, ZHANG QIAN, ZHANG WANTAO, CHENG JINLIN, LI XUEGANG
• Format: Patent
• Language: Chinese; English
• Published: 22.03.2017
• Subjects: HAND TOOLS; MANIPULATORS; PERFORMING OPERATIONS; PORTABLE POWER-DRIVEN TOOLS; TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING; TRANSPORTING

The utility model relates to an oil field logging technical field, in particular to hole diameter instrument dismouting major -minor instrument for spring. Afterburning pole is connected to the device's lead screw one end, and the lead screw other end is installed and is prevented the pivot and hold, is connected with lead screw location pressure disk on the screw thread of lead screw upper portion. The utility model discloses a can make things convenient for quick dismantlement safely and install owner, the auxiliary spring on the hole diameter instrument, shorten maintenance duration by a wide margin, guarantee maintenance person person's personal safety, labour saving and time saving, safe and reliable has improved maintenance efficiency and factor of safety, has avoided the emergence of production accident. It is hard when having overcome present hole diameter instrument major -minor spring replacement cost, dangerous, lead to the fact easily that bodily injury's is not enough. 本实用新型涉及油田测井技术领域，特别涉及种井径仪器拆装