Results 11 to 20 of about 32,518 (302)

Mechanical Analysis and Kinematic Simulation of Reversing Mechanism for Gear Guide-rod Pumping Unit

Jixie chuandong, 2021
Aiming at the low stroke times motion characteristics badly of beam pumping units，a reversing mechanism for gear guide-rod pumping units is analyzed. The reversing mechanism is mainly composed of a long rod incomplete gear，a rack moving frame，a roller ...
Jun Shao, Guodong Hu, Wei Yang, Dewei Wang   +3 more
doaj   +2 more sources

Simulation and Analysis of the Elliptical Gear Used in Rack Type Pumping Unit

Jixie chuandong, 2016
According to the geometric characteristics of the elliptical gear,with different eccentricity ratio of ellipse,the different transmission ratio curve is got,and then the variable speed motion of pumping unit is completed.
Tian Zhenzhen, Peng Yong, Zhang Haokun
doaj   +2 more sources

Combining Background Subtraction and Convolutional Neural Network for Anomaly Detection in Pumping-Unit Surveillance

Algorithms, 2019
Background subtraction plays a fundamental role for anomaly detection in video surveillance, which is able to tell where moving objects are in the video scene.
Tianming Yu, Jianhua Yang, Wei Lu
doaj   +2 more sources

DESIGN AND APPLICATION OF NEW TYPE OF CRANK AUTOMATIC ADJUSTMENT MECHANISM OF PUMPING UNIT

Jixie qiangdu, 2019
To lower the labor intensity, reduce energy consumption, improve efficiency, increase the service life of the pumping unit and achieve automatic adjustment of pumping unit, based on the CYJ10-4.2-53 HF type pumping unit, this paper completes the ...
WU JunFei, WANG Qian, JIN Xin, XIAO Shu
doaj   +2 more sources

Kinematic and Dynamic Analysis of Eccentric Balanced Positive Torque Pumping Unit

Machines
Beam pumping units have numerous energy transfer links, significant net torque fluctuations and negative net torque in gear boxes, which lead to a high installed power and low system efficiency.
Jinchao Xu, Wensong Wang, Wei Li, Qijun Zhu, Hui Lu   +4 more
doaj   +2 more sources

Wear issues of pumping units [PDF]

E3S Web of Conferences, 2021
The article presents the possibility of increasing the service life of pumping units. Particular attention is paid to the regulation of the speed of rotation of the pumping unit. There are some assumptions in the mathematical model that do not affect the final result. The factors influencing the operating mode are given.
Ishnazarov Oybek, Isakov Abdusaid, Islomov Utkir, Xoliyorov Umirzoq, Ochilov Dilshod   +4 more
openaire   +2 more sources

Full scale test of ZXCY-Series linear motor pumping units

Petroleum Exploration and Development, 2008
To solve the technical problem of the great propulsion permanent magnet synchronous linear motor, the ZXCY-Series linear motor pumping unit is developed.
Yu-hong GU, Wen-sheng XIAO, Xiao-xi ZHOU, Shi-chang ZHANG, You-hai JIN   +4 more
doaj   +1 more source

Dynamic coupling modelling and application case analysis of high-slip motors and pumping units.

PLoS ONE, 2020
To solve the issues and difficulties in the high-coupling modelling of beam pumping units and high-slip motors, external characteristic experiments of high-slip motors were performed where the external database and characteristic correlation equations of
Ziming Feng, Qingyang Ma, Xiaolei Liu, Wei Cui, Chaodong Tan, Yang Liu   +5 more
doaj   +1 more source

Structure parameters of the pumping unit.

, 2020
Structure parameters of the pumping unit.
Qingyang Ma (6792521), Xiaolei Liu (104141), Ziming Feng (1968622), Yang Liu (4829), Wei Cui (92129), Chaodong Tan (8379027)   +5 more
core   +1 more source

Research on mechanical characteristics and safety of working platform in rod pumping process

Advances in Mechanical Engineering, 2022
Rod pumping on offshore platform provides a solution to low efficient extraction of offshore heavy oil and the safety of working platform is the prerequisite for the implementation of this new technology.
Feng Dehua, Yu Yanqun, Liu Jinhai, Wang Bensheng, Qi Yaoguang   +4 more
doaj   +1 more source