CN100582757C - 一种用于集装箱检查系统的准直与校正一体装置 - Google Patents
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Abstract
一种用于集装箱检查系统的准直与校正一体装置,涉及辐射扫描成像检测技术领域。本发明包括准直块、校正块、伺服电机、与伺服电机输出端连接并由两个轴承座支撑的丝杠。伺服电机和各轴承座固定在底板上,丝杠上装有与其匹配的螺母。其结构特点是,所述准直块与校正块间隙布置安装在固定板上形成整体结构。固定板下面置有托板,托板的两侧置有滑板,托板的中部置有连接板,滑板置于底板两侧设置的导轨之上,连接板与所述螺母固定。当伺服电机启动时,由丝杠带动螺母使固定板上的准直块与校正块整体移动。同现有技术相比,本发明节省了安装空间也减轻了设备重量。
Description
技术领域
本发明涉及辐射扫描成像检测技术领域,特别是用于集装箱检查系统的准直与校正一体装置。
背景技术
集装箱检查系统的核心部件是产生高能X射线的辐射源和接收穿过集装箱X射线的阵列探测器。集装箱被X射线束通过时,透过集装箱的X射线传到探测器中,根据其强度变化,反映箱中所装物体密度分布,并将射线强度变成图像灰度,即可获得箱内所装物体的密度分布。目前,集装箱检查系统包括固定式集装箱检查系统、车载移动式集装箱检查系统及组合移动式集装线检查系统等。在上述的各类型集装箱检查系统中,辐射源发出的射线需要校正和准直。现有技术的校正器和准直器都是分别单独做成一套装置,依次置于辐射源的正面,在使用中的位置和角度也需要分别进行调整。由于两套装置在设备中占用空间较大,而且也很重。特别是在组合移动式集装箱检查系统中,由于辐射源一般采用的是直线电子加速器,而加速器一般需要放在舱体内,且舱体内的内部空间设计要尽量小,这样采用现有的校正器和准直器在使用中就显得十分困难,给安装、调整带来诸多不便。
发明内容
针对上述现有技术中存在的问题,本发明的目的是提供一种用于集装箱检查系统的准直与校正一体装置。使用它做校正试验时校正块起校正作用,正常检查时校正块和准直块共同组成准直器起准直作用。具有体积小、重量轻、便于安装、操作简便的特点。
为了实现上述的发明目的,本发明的技术方案以如下方式实现:
一种用于集装箱检查系统的准直与校正一体装置,它包括准直块、校正块、伺服电机、与伺服电机输出端连接并由两个轴承座支撑的丝杠。伺服电机和各轴承座固定在底板上,丝杠上装有与其匹配的螺母。其结构特点是,所述准直块与校正块间隙布置安装在固定板上形成整体结构。固定板下面置有托板,托板的两侧置有滑板,托板的中部置有连接板,滑板置于底板两侧设置的导轨之上,连接板与所述螺母固定。当伺服电机启动时,由丝杠带动螺母使固定板上的准直块与校正块整体移动。
在上述一体装置中,所述准直块与校正块之间的安装间隙是一条缝隙宽度一致的准直缝。
在上述一体装置中,所述轴承座中置有滚动轴承或者滑动轴承。
在上述一体装置中,所述底板与导轨之间置有起加固与调整高度作用的槽钢。
在上述一体装置中,所述滑板的截面内轮廓形状与导轨截面外轮廓形状匹配,两者之间为间隙滑动配合。
本发明由于采用了上述的结构,将准直块与校正块整体安装在固定板上,大大减小了原有两套装置的体积。由伺服电机控制固定板一起移动,可满足检测系统对校正和准直的技术要求。同现有技术相比,本发明节省了安装空间也减轻了设备重量。使用中,校正块完成校正的功能,准直块与校正块形成的中间缝隙实现射线准直的功能,整体装置的调整与控制更为简便。
下面结合附图及具体的实施方式对本发明做进一步的说明。
附图说明
图1为本发明的结构示意图;
图2为图1的A向使用状态示意图。
具体实施方式
参看图1,本发明装置包括准直块1、校正块2、伺服电机4、与伺服电机4输出端连接并由置有滚动轴承或者滑动轴承的两个轴承座13支撑的丝杠5。伺服电机4和各轴承座13固定在底板15上,丝杠5上装有与其匹配的螺母8。准直块1与校正块2间隙布置安装在固定板3上形成整体结构,准直块1与校正块2之间的安装间隙是一条缝隙宽度一致的准直缝9。固定板3下面置有托板11,托板11的两侧置有滑板12,托板11的中部置有连接板10。滑板12置于底板15两侧设置的导轨6之上,滑板12的截面内轮廓形状与导轨6截面外轮廓形状匹配,两者之间为间隙滑动配合,底板15与导轨6之间置有起加固与调整高度作用的槽钢14。连接板10与所述螺母8固定,当伺服电机4启动时,由丝杠5带动螺母8使固定板3上的准直块1与校正块2整体移动。
本发明应用在移动式集装箱检查系统中对集装箱进行检查时,启动伺服电机4使它带动丝杠5转动,通过螺母8与丝杠5使托板11下面安装的滑板12沿着轨道6前后移动,带动固定板3上的准直块1与校正块2整体移动。在对系统做校正试验时,由校正块2对射线数据进行校正;在对集装箱进行检测时,辐射源7发出的射线正对准直块1与校正块2中间的准直缝9,由准直块1与校正块2共同组成准直器使射线穿过准直缝9对集装箱进行扫描。
Claims (5)
1、一种用于集装箱检查系统的准直与校正一体装置,它包括准直块(1)、校正块(2)、伺服电机(4)、与伺服电机(4)输出端连接并由两个轴承座(13)支撑的丝杠(5),伺服电机(4)和各轴承座(13)固定在底板(15)上,丝杠(5)上装有与其匹配的螺母(8),其特征在于,所述准直块(1)与校正块(2)间隙布置安装在固定板(3)上形成整体结构,固定板(3)下面置有托板(11),托板(11)的两侧置有滑板(12),托板(11)的中部置有连接板(10),滑板(12)置于底板(15)两侧设置的导轨(6)之上,连接板(10)与所述螺母(8)固定,当伺服电机(4)启动时,由丝杠(5)带动螺母(8)使固定板(3)上的准直块(1)与校正块(2)整体移动。
2、根据权利要求1所述的准直与校正一体装置,其特征在于,所述准直块(1)与校正块(2)之间的安装间隙是一条缝隙宽度一致的准直缝(9)。
3、根据权利要求1所述的准直与校正一体装置,其特征在于,所述轴承座(13)中置有滚动轴承或者滑动轴承。
4、根据权利要求1、2或3所述的准直与校正一体装置,其特征在于,所述底板(15)与导轨(6)之间置有起加固与调整高度作用的槽钢(14)。
5、根据权利要求4所述的准直与校正一体装置,其特征在于,所述滑板(12)的截面内轮廓形状与导轨(6)截面外轮廓形状匹配,两者之间为间隙滑动配合。
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CN200510012249A CN100582757C (zh) | 2005-07-22 | 2005-07-22 | 一种用于集装箱检查系统的准直与校正一体装置 |
DE102006000345A DE102006000345B4 (de) | 2005-07-22 | 2006-07-17 | Integrierte Kollimations- und Korrekturvorrichtung für ein Container-Detektionssystem |
GB0614345A GB2428954B (en) | 2005-07-22 | 2006-07-19 | Collimation and calibration integrative apparatus for container inspection system |
RU2006125948/28A RU2323434C1 (ru) | 2005-07-22 | 2006-07-19 | Интегрированное устройство коллимации и калибровки для системы осмотра контейнера |
US11/490,722 US7327830B2 (en) | 2005-07-22 | 2006-07-21 | Collimation and calibration integrative apparatus for container inspection system |
HK07105279.4A HK1099076A1 (en) | 2005-07-22 | 2007-05-18 | An integrated collimation and correction apparatus for container inspection system |
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CN101571496B (zh) * | 2008-04-29 | 2011-03-30 | 同方威视技术股份有限公司 | 用于辐射成像系统的紧凑型校正与准直装置 |
CN102087365B (zh) * | 2009-12-04 | 2013-05-01 | 中国辐射防护研究院 | 门式辐射监测仪动态灵敏度校准检测设备及方法 |
CN102514375B (zh) * | 2011-12-09 | 2014-05-14 | 丹东奥龙射线仪器集团有限公司 | 无损检测用的中心喷标装置 |
CN105675042B (zh) * | 2015-12-28 | 2018-08-10 | 同方威视技术股份有限公司 | 射线标定装置及其操作方法、辐射成像系统及其操作方法 |
IT201800000868A1 (it) * | 2018-01-15 | 2019-07-15 | Ims Giotto S P A | Metodo di calibrazione di un collimatore e apparecchiatura per analisi a raggi x configurata per effettuare tale metodo. |
CN112525244A (zh) * | 2019-09-17 | 2021-03-19 | 四川东华计量检测技术有限公司 | 一种测量校准定位工作台结构 |
CN111551201A (zh) * | 2020-03-27 | 2020-08-18 | 淮阴师范学院 | 一种无线传感网络检测用绝缘保护装置 |
EP3933881A1 (en) | 2020-06-30 | 2022-01-05 | VEC Imaging GmbH & Co. KG | X-ray source with multiple grids |
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US2469206A (en) * | 1946-11-14 | 1949-05-03 | Gen Electric | X-ray absorption photometer |
US3206604A (en) * | 1962-11-13 | 1965-09-14 | Gen Electric | Adjustable x-ray field defining cone and field size indicating means |
GB1130814A (en) * | 1967-02-20 | 1968-10-16 | M E L Equipment Co Ltd | Improvements in or relating to output signal control devices |
DE1800879C3 (de) * | 1968-10-03 | 1974-01-10 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Primärstrahlenblende für Röntgenuntersuchungsgeräte |
US3894234A (en) * | 1974-01-28 | 1975-07-08 | Us Navy | Radial scanner |
US5021667A (en) * | 1988-09-30 | 1991-06-04 | Digital Scintigraphics, Inc. | Movable calibration collimator and system and method using same |
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US7397044B2 (en) * | 2005-07-21 | 2008-07-08 | Siemens Medical Solutions Usa, Inc. | Imaging mode for linear accelerators |
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US7327830B2 (en) | 2008-02-05 |
DE102006000345B4 (de) | 2009-10-15 |
CN1900702A (zh) | 2007-01-24 |
GB2428954A (en) | 2007-02-07 |
RU2323434C1 (ru) | 2008-04-27 |
GB2428954B (en) | 2008-02-06 |
GB0614345D0 (en) | 2006-08-30 |
DE102006000345A1 (de) | 2007-02-01 |
US20070019786A1 (en) | 2007-01-25 |
HK1099076A1 (en) | 2007-08-03 |
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