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高能光源束流位置探测器支撑架结构优化设计

王安鑫 王梓豪 麻惠洲 李春华 聂小军 陈佳鑫 朱东辉 余洁冰 贺华艳 王广源 于永积 刘仁洪 张俊嵩 邱瑞阳 刘磊 康玲

王安鑫, 王梓豪, 麻惠洲, 等. 高能光源束流位置探测器支撑架结构优化设计[J]. 强激光与粒子束. doi: 10.11884/HPLPB202133.200297
引用本文: 王安鑫, 王梓豪, 麻惠洲, 等. 高能光源束流位置探测器支撑架结构优化设计[J]. 强激光与粒子束. doi: 10.11884/HPLPB202133.200297
Wang Anxin, Wang Zihao, Ma Huizhou, et al. Structural optimization design for beam position monitor support of High Energy Photon Source[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202133.200297
Citation: Wang Anxin, Wang Zihao, Ma Huizhou, et al. Structural optimization design for beam position monitor support of High Energy Photon Source[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202133.200297

高能光源束流位置探测器支撑架结构优化设计

doi: 10.11884/HPLPB202133.200297
基金项目: 国家自然科学基金项目(11805220)
详细信息
    作者简介:

    王安鑫(1983—),男,浙江绍兴人,高级工程师,硕士,机械设计及理论专业;wanganxin@ihep.ac.cn

  • 中图分类号: TL503

Structural optimization design for beam position monitor support of High Energy Photon Source

  • 摘要: 从热稳定性和振动稳定性两个角度出发,优化设计得到了超高稳定的刚性支撑架结构;通过ANSYS有限元模态分析,验证了结构的热膨胀变化量和特征频率;采用混凝土二次灌浆方法对支撑架进行地面固定和特征频率测试,结果表明,支撑架结构的特征频率达到61.9 Hz、振动幅值小于30 nm,均满足设计要求。最后采用动态刚度测试方法,得到混凝土二次灌浆层的主要刚度值,进一步验证支撑架结构优化结果的准确性。
  • 图  1  质量-刚度模型

    Figure  1.  Mass-stiffness model

    图  2  影响特征频率的参数曲线

    Figure  2.  The graph of relationship between parameters and characteristic frequency

    图  3  BPM主支撑体样机设计流程图

    Figure  3.  The design flow chart of BPM support prototype

    图  4  BPM支撑架样机模型

    Figure  4.  BPM support prototype model

    图  5  BPM支撑架垂向变化量随温度变化的曲线图

    Figure  5.  The curve graph of vertical variation of BPM support with temperature

    图  6  主支撑体与地面连接方式示意图

    Figure  6.  Schematic diagram of connection modes of BPM support

    图  7  主支撑体模态仿真结果

    Figure  7.  Modal simulation results of BPM support

    图  8  主支撑体模态测试

    Figure  8.  BPM support modal test

    图  9  模态测试结果

    Figure  9.  Modal test results of BPM support

    图  10  各测点频响曲线、相干曲线

    Figure  10.  Frequency response curve and coherence curve of each measuring point

    图  11  动态刚度测试

    Figure  11.  Dynamic stiffness test

    图  12  地脉动主支撑体响应测试

    Figure  12.  BPM support vibration response test

    图  13  主支撑体纵向振动响应曲线

    Figure  13.  BPM support longitudinal vibration response curves

    图  14  主支撑体横向振动响应曲线

    Figure  14.  BPM support transverse vibration response curves

    图  15  主支撑体特征频率与上板厚度的关系

    Figure  15.  The relation diagram of characteristic frequency and upper plate thickness

    图  16  主支撑体模态优化仿真结果

    Figure  16.  Modal simulation results of optimized BPM support

    表  1  材料参数

    Table  1.   Material parameters

    materialcoefficient of thermal expansion / ℃−1Poisson’s ratiomodulus of elasticity / GPadensity / (kg·m3)
    Invar 4J320.63×10−60.231458140
    SUS 3041.7×10−50.311937750
    concrete1.4×10−50.18302300
    下载: 导出CSV

    表  2  主支撑体不同固定方式的仿真结果

    Table  2.   Simulation results of different fixed modes of BPM support

    simulation natural frequency / Hz
    1st(longitudinal)2nd(lateral)
    ground bolt 38.7 107.4
    part grout 63.8 132.5
    full grout 66.7 135.9
    下载: 导出CSV

    表  3  主支撑体模态测试结果与仿真误差

    Table  3.   Modal test results and simulation error of BPM support

    fixation modeexperimental natural frequency / Hzsimulation error
    1st
    (longitudinal)
    2nd
    (lateral)
    1st
    (longitudinal)
    2nd
    (lateral)
    ground bolt 16.9 48.4 129% 122%
    part grout 55.5 104 15% 27%
    full grout 61.8 107 8% 27%
    下载: 导出CSV

    表  4  测试与仿真结果

    Table  4.   Test and simulation results

    stiffness / N·m·rad−1simulation natural frequency / Hzsimulation error
    1st(longitudinal)2nd(lateral)1st(longitudinal)2nd(lateral)1st(longitudinal)2nd(lateral)
    ground bolt 2.3×105 2.2×106 16.8 48.5 0.6% 0.2%
    part grout 9×106 2.1×107 55.5 103.5 0 0.5%
    full grout 3.4×107 2.5×107 61.9 107.1 0.2% 0.1%
    下载: 导出CSV

    表  5  主支撑体振动响应测试结果(RMS 1~100 Hz)

    Table  5.   BPM support vibration response test(RMS 1~100 Hz)

    measurementsimulation
    longitudinallaterallongitudinallateral
    ground/
    nm
    BPM
    support/nm
    ratioground/
    nm
    BPM
    support/nm
    ratioground/
    nm
    BPM
    support/nm
    ratioground/
    nm
    BPM
    support/nm
    ratio
    full grout 19.5 62.8 3.22 23.7 29.4 1.24 19.5 47.6 2.44 23.7 27.3 1.15
    part grout 22.6 82.49 3.65 23.3 29.6 1.27 22.6 59.4 2.63 23.3 27.3 1.17
    下载: 导出CSV
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    [10] 王柯颖, 范宣华, 陈学前, 等. 基于PANDA平台的光机部件随机振动响应分析[J]. 强激光与粒子束, 2020, 32:011021. (Wang Keying, Fan Xuanhua, Chen Xueqian, et al. Random vibration response analysis of Shenguang laser facility component based on PANDA platform[J]. High Power Laser and Particle Beams, 2020, 32: 011021 doi: 10.11884/HPLPB202032.190269
    [11] 陈学前, 沈展鹏, 鄂林仲阳, 等. 基于薄层单元与弹簧单元的滚动直线导轨副动力学建模[J]. 强激光与粒子束, 2020, 32:072001. (Chen Xueqian, Shen Zhanpeng, Elin Zhongyang, et al. Dynamic modeling on a linear rolling guide based on thin layer element and spring element[J]. High Power Laser and Particle Beams, 2020, 32: 072001
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  • 被引次数: 0
出版历程
  • 收稿日期:  2020-10-29
  • 修回日期:  2021-02-03
  • 网络出版日期:  2021-03-09

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