Patent number: 10527034
Abstract: Disclosed are a digitized automatic control method for oil-pumping and a digitized balance-shifting pumpjack, said pumpjack comprising a main motor (15), a decelerator (8), a crank (9), a connecting rod (6), a walking walking beam (3), a balance arm (7), a derrick (5), a horsehead (2), a substructure (12), brake device (13), a beam hanger (1), a load sensor (17), a stroke process measurer, a safety stop device, and a digitized control box (14). A movable counterweight box (28) moves leftward and rightward on the balance arm (7), automatically balancing load at the suspension center in various operating conditions, and pumpjack's frequency of stroke is automatically adjusted according to variations in pump fullness. Features include safety and reliability, convenience of operation, enhanced oil well production, balance rates, energy conservation and consumption reduction.
Type:
Grant
Filed:
June 29, 2017
Date of Patent:
January 7, 2020
Assignee:
XINJIANG UYGUR AUTONOMOUS REGION NO 3 MACHINE TOOL WORKS
Inventors:
Changle Gao, Shenghong Zheng, Shujian Ma, Ninghui Li, Shengcun Yu, Kangjun Wang, Xiaoke Ji, Quan Lin, Jiaqiang Zhu, Jing Zhang, Hongyu Dong, Chunwang Sun
Publication number: 20170298923
Abstract: Disclosed are a digitized automatic control method for oil-pumping and a digitized balance-shifting pumpjack, said pumpjack comprising a main motor (15), a decelerator (8), a crank (9), a connecting rod (6), a walking walking beam (3), a balance arm (7), a derrick (5), a horsehead (2), a substructure (12), brake device (13), a beam hanger (1), a load sensor (17), a stroke process measurer, a safety stop device, and a digitized control box (14). A movable counterweight box (28) moves leftward and rightward on the balance arm (7), automatically balancing load at the suspension center in various operating conditions, and pumpjack's frequency of stroke is automatically adjusted according to variations in pump fullness. Features include safety and reliability, convenience of operation, enhanced oil well production, balance rates, energy conservation and consumption reduction.
Type:
Application
Filed:
June 29, 2017
Publication date:
October 19, 2017
Inventors:
CHANGLE GAO, SHENGHONG ZHENG, SHUJIAN MA, NINGHUI LI, SHENGCUN YU, KANGJUN WANG, XIAOKE JI, QUAN LIN, JIAQIANG ZHU, JING ZHANG, HONGYU DONG, CHUNWANG SUN