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...