Single arm clamp piston of petroleum exploration device

• Main Authors: YONGREN FENG, YUN GUO
• Format: Patent
• Language: English
• Published: 21.09.2005
• Edition: 7
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

This invention oil prospecting instrument single arm eccentering arm, it relates to a underground mining position equipment, especially a eccentering arm that can make prospecting instrument position underground mining. It includes main connecting shell and motor, drive silk bar, inner distance rod, outer distance rod, thrust cover, cap nut, eccentering arm, left and right dish anchor, connecting-rod fixed in the main connecting shell. The two side of right dish anchor is held at right end part of outer distance rod and steps of inner distance rod, the two side of left dish anchor is held at right end part of outer distance rod and cap nut, two ends of connecting rod are connected to eccentering arm and thrusting cover. The advantages are that motor and speed reducer is dynamic, so the thrusting is a bit strong, operating is reliable and all driving is mechanical driving, so it can work in high temperature and high pressure environment. eccentering arm is in strip slot of main connecting shell when eccentering arm is moving up and down, so well wall will not be scratched.