机械科学与技术2017，Vol.36Issue(9)：1333-1339,7.DOI:10.13433/j.cnki.1003-8728.2017.0904
扭转振动发生器的工作原理及其运动特性分析
Research on Operation Principle and Kinematics of Torsional Vibration Generator
摘要
Abstract
Aiming at the technical difficulties of strong abrasion resistance,poor drillability and low rate of penetration of the stratum,a torsional vibration generator is designed.According to the structure and operating principle of the torsional vibration generator,its kinematics and mathematical models are established.The expression of the collision period,angular velocity,angular displacement of the hydraulic hammer are derived,and the variation relationships of these parameters with respect to time are obtained with the aid of numerical examples,and the effect of the inlet pressure and inlet flow on them are also achieved.The accuracy and reliability of the calculation method are verified by experiments.The results show that its collision period increases with the inlet flow and decreases with the inlet pressure.With the increasing of inlet pressure and the decreasing of inlet flow,the angular velocity and angular displacement of the hydraulic hammer are increased.关键词
钻井/井下工具/运动学/扭转振动/粘滑Key words
angular velocity/calculations/computational geometry/collision/design/experiments/mathematical models/mechanical properties/models/pressure/vibrations分类
能源科技引用本文复制引用
田家林,吴纯明,杨琳,刘刚,杨志,袁长福..扭转振动发生器的工作原理及其运动特性分析[J].机械科学与技术,2017,36(9):1333-1339,7.基金项目
国家自然科学基金项目(51674216)、国家科技重大专项项目(2016ZX05038)及国家留学基金项目(201608515039)资助 （51674216）
