强激光与粒子束, 2015, 27 (8): 085102, 网络出版: 2015-08-25   

武威重离子治癌装置高能束线的准直安装

Alignment of high energy line for Wuwei Heavy Ion Medical Machine
作者单位
1 中国科学院 近代物理研究所, 兰州 730000
2 中国科学技术大学 核科学与技术学院, 合肥 230006
摘要
武威重离子治癌装置高能线爬升段上下跨度约为18 m,由于超大超重元件的悬空安装和狭小的安装空间及通视条件不足,使得就位时磁铁的位置及角度与地面做标定时不同,给准直安装工作带来了挑战.借助于激光跟踪仪和三维控制网,通过多重坐标转换,探索了一种新的方法,消除了爬升段磁铁调节时角度带来的偏差,有效提高了准直安装的工作效率,使得最后所有的磁铁安装各向安装误差均控制在0.10 mm以内,其结果优于该装置的精度要求,为整体安装进度提前提供了有力保证.
Abstract
The high energy climbing segment of the Wuwei Heavy Ion Medial Machine has a vertical span of about 18 meters.Due to the suspended installation of oversized and overweighted components,the small installation space and lack of straight sight conditions,the position and angle of the placed magnet is different from the magnet in ground situation,which brings big challenges to the installation alignment.By the aid of a laser tracker and a three-dimensional control network,through multiple coordinate conversion,we explored a new method to eliminate the deviation brought by adjusting the angle of magnet in the climbing segment.This method has effectively improved the efficiency of installation alignment and guaranteed a deviation below 0.10 mm for each finally installed magnet in each dimension.The results are better than the installation precision demands of the Heavy Ion Medical Machine,which provides a strong guarantee for advancing the overall installation process.

陈文军, 马力祯, 蔡国柱, 崔治国, 王少明, 张小奇, 华永平, 袁建东, 柴一亮, 李玉春. 武威重离子治癌装置高能束线的准直安装[J]. 强激光与粒子束, 2015, 27(8): 085102. Chen Wenjun, Ma Lizhen, Cai Guozhu, Cui Zhiguo, Wang Shaoming, Zhang Xiaoqi, Hua Yongping, Yuan Jiandong, Chai Yiliang, Li Yuchun. Alignment of high energy line for Wuwei Heavy Ion Medical Machine[J]. High Power Laser and Particle Beams, 2015, 27(8): 085102.

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