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文章介绍兰州重离子加速器放射性次级束流线(RIBLL)的超重元素合成实验靶室和转靶系统,并对改进的真空密封磁耦合传动机械作简单描述。转靶系统采用可程序控制的无级变速电机、真空密封磁流体耦合和特殊皮带传动机构,使得靶盘转速在0~600 r/min范围内可调,靶盘边缘摆幅<0.2 mm。
In this paper, the super heavy element synthesis target chamber and target system of radioactive secondary beam line (RIBLL) of heavy ion accelerator in Lanzhou are introduced, and the improved vacuum sealed magnetic coupling drive mechanism is briefly described. The target system uses a programmable stepless variable speed motor, vacuum sealed magnetic fluid coupling and special belt drive mechanism, so that the target disk speed is adjustable in the range of 0 ~ 600 r / min and the amplitude of the target disk swing is <0.2 mm.