同轴圆筒式磁力耦合器启动特性研究

Startup behavior research of coaxial cylinder magnetic coupler

磁力耦合器是在真空、化工等领域广泛使用的一种传动机构,当磁力耦合器负载突然增大而过载时,会产生滑脱而结束扭矩传递的现象.为解决这一问题,经过理论推导,建立了磁力耦合器启动过程的扭矩传递数学模型,推导了单纯性启动脱耦的判定条件.在此基础上,应用MATLAB软件模拟了磁力耦合器的启动及脱耦过程,并用扭矩与转角差实验台进行了试验,验证了单纯性启动脱耦的判定条件.提出了采用延时启动的方法可以解决磁力耦合器的脱耦问题,对磁力耦合器的推广应用具有重要意义.

Magnetic coupler is a kind of transmission mechanism which is widely used in vacuum, chemical industry. When the load suddenly increases to overload, the phenomenon that torque transmission is over due to slippage will happen. In order to solve the problem, the transmission mathematical model which is about starting up process of the magnetic coupler was established af- ter the theoretical derivation and calculating the determinant condition of simple starting decou- pling. We applied MATLAB to simulating the process of the magnetic coupler start-up and de- coupling. Furthermore, we made the experiment based on the torque and angle deviation tester, verified the determinant conditions of the simple starting decoupling. The paper presents a time delay activated method to solve the problem of decoupling when it starts. It has significance for popularizing magnetic couplers.