Beam -pumping unit tail walking beam body

• Main Authors: JIANG YOUJUN, WANG LI, WANG DONG, LIU TIEFU, ZHANG XIN'GANG, LI DEWEI, SU XIAOHUI, YANG JIZHONG, FAN JIANBO, WANG LIANYUN
• Format: Patent
• Language: English
• Published: 24.02.2016
• 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 beam -pumping unit technical field discloses a beam -pumping unit tail walking beam body, including roof, bottom plate, curb plate, end plate and flange, be provided with two rectangular holes on the flange, be roof mounting hole and gasket -mounted hole respectively, the roof inserts the roof mounting hole, and the bottom plate inserts the gasket -mounted hole, and the curb plate is two, is located roof and bottom plate both sides respectively, and flange, roof, bottom plate and curb plate enclose into one end open -ended rectangle box jointly, and the end plate setting covers the opening in the one end of cuboid box, roof and flange welded fastening form three angle weldings, and bottom plate and flange welded fastening form three angle weldings. Promptly the utility model discloses in, effective welding seam area increase of tail walking beam body stress concentration position is three times of the primary structure, has increased welding strength, has improved product quality, has avoided the welding seam fracture to avoid because walking beam counter weight that welding seam fracture leads to falls down and breakes reducing gear box, motor and threaten the personal safety even.