Prevent grinding partially preventing spouting box

• Main Authors: ZHAO HONGXIA, ZHENG YAN, CHU YUEQIN, DOU GUANGHUA, ZHOU XIAODONG, LIU CHEN, ZHOU KAI
• Format: Patent
• Language: English
• Published: 09.12.2015
• 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 relates to an oil machinery technical field discloses a prevent grinding partially preventing spouting box to the crooked mill partially of polished rod prevents spouting the technical problem that the box leads to preventing spouting box seal failure in solving prior art. This prevent grinding partially preventing spouting box includes: a pedestal, the inside through -hole that is provided with of base, the guard shield holds in the palm, weld in base outside middle part, the guard shield, weld in the guard shield holds in the palm the top, high pressure hose is fixed in the base top, prevent spouting the gland, be fixed in the high pressure hose top, the polished rod hole, set up in prevent spouting the gland middle part, two pressure -bearings are held in the palm the guard shield top sets up relatively, width between two pressure -bearings are held in the palm is greater than the diameter of polished rod. Can prevent that the polished rod from causing inclined to one side mill to prevent grinding partially preventing spouting box, reach and keep the technological effect of sealing.