Hydraulic is salvaged and plastic instrument

• Main Authors: WANG BINGRUI, WANG LIXIN, YANG MIN, CAO ZHENGHUI, YUAN QINGHUI, YANG JIE, SHEN CHAOHUI
• Format: Patent
• Language: Chinese; English
• Published: 13.03.2018
• 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

The utility model relates to a hydraulic is salvaged and plastic instrument. Mainly solve the problem that current fishing tool of unfreezing in the pit and plastic instrument can not be general, withhigh costs. Its characterized in that: the hydro -cylinder body (14) is connected on lower clutch (1) upper portion, lower clutch (1) internal connection pressure release ejector rod base (2), pressure release ejector rod base (2) internal connection pressure release ejector pins (3), inside be equipped with ball seat piston (12) of the hydro -cylinder body (14), valve ball seat (6) is connectedto ball seat piston (12) inside bottom, spring holder (5) are down connected to valve ball seat (6) bottom, spring holder (5) upper portion is equipped with spring (8) down, spring (8) upper portion is equipped with spring holder (9), it is equipped with valve ball (10) to go up spring holder (9) upper portion, ball seat piston (12) inside top is connected with piston rod (13). This hydraulic is salvaged and plastic instru