Oil cylinder self-recycling device for oil cylinder lifting drilling machine

• Main Authors: ZHANG HUSHAN, ZHANG WEI, WANG LAN, ZHOU ZHONGXIANG, ZHOU TIANMING, LIAO HENGWEI
• Format: Patent
• Language: English
• Published: 22.04.2015
• 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 discloses an oil cylinder self-recycling device for an oil cylinder lifting drilling machine. The oil cylinder self-recycling device comprises a lug plate A, a lug plate D, a lug plate C, a lug plate E and a lug plate B, wherein the lug plate A, the lug plate D and the lug plate C...