CN100573114C - 一种辐射成像火车检测系统的扫描臂刚性化减振结构 - Google Patents

一种辐射成像火车检测系统的扫描臂刚性化减振结构 Download PDF

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CN100573114C
CN100573114C CNB2004100098881A CN200410009888A CN100573114C CN 100573114 C CN100573114 C CN 100573114C CN B2004100098881 A CNB2004100098881 A CN B2004100098881A CN 200410009888 A CN200410009888 A CN 200410009888A CN 100573114 C CN100573114 C CN 100573114C
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CN1779447A (zh
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胡斌
孙尚民
吴玉成
江南
梁志忠
沈万全
李宁
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Nuctech Co Ltd
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    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
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Abstract

一种适用于火车检测系统的扫描臂刚性化减振结构,涉及辐射成像检测技术。本发明包括辐射源、校正器、前准直器、后准直器及装有探测器阵列的探测器臂架和刚性斜梁。刚性斜梁的上端部和下端部为水平段并置于火车轨道两侧的建筑基座上,各水平段与建筑基座连接处置有减振环。刚性斜梁的上水平段垂直固定连接所述探测器臂架,刚性斜梁的下水平段垂直固定连接所述辐射源的支座。使辐射源射出的扇形X射线通过校正器、前准直器、后准直器、被测火车后正对探测器臂架中的探测器阵列。同现有技术相比,本发明设计合理、适应性强、结构可靠、成像稳定、空间占用小。

Description

一种辐射成像火车检测系统的扫描臂刚性化减振结构
技术领域
本发明涉及辐射成像检测技术,特别是辐射成像应用于火车检测系统中的扫描臂结构。
背景技术
现有技术中,自20世纪90年代初开始有拖动式集装箱检测系统问世,如德国海曼公司和英国宇航公司生产的大型集装箱检测系统。它们是在一幢能屏蔽射线的检测通道内,装有固定不动的、能产生高能X射线的辐射源和能接收穿过集装箱X射线的阵列探测器,用专用的拖动设备将装有集装箱的车辆拖过检测通道,集装箱在X射线束中通过时,透过集装箱的X射线穿到探测器中,根据其强度变化,反映箱中所装物体的密度分布,并将射线强度变换成图像灰度,即可获得箱内所装物体的透视图像。随着辐射成像技术的不断广泛应用,在火车检查系统中也已经被广泛采用。在火车检查系统中,检查设备一般安装于地面,即辐射源安装于轨道一侧,探测器臂架安装在轨道的另一侧,应用辐射成像技术即可获得火车车厢体内所装物体的图像。然而,对于火车检查系统,随用户的要求不断提高,火车的检查速度也不断提高,尤其是重载车辆在劣质的线路上行驶,使路基的振动加剧,传统的设备安装方式已不能满足检查的需要,强烈的振动有时会干扰扫描成像,直接影响了扫描成像的效果。
发明内容
为了解决上述现有技术中存在的问题,本发明的目的是提供一种适用于火车检测系统的扫描臂刚性化减振结构。使用它所形成的火车检查系统可以克服火车给路基产生的振动对于扫描成像带来的干扰,提高扫描成像的准确度。
为了达到上述的发明目的,本发明的技术方案以如下方式实现:
一种辐射成像火车检测系统的扫描臂刚性化减振结构,它包括辐射源、校正器、前准直器、后准直器及装有探测器阵列的探测器臂架和刚性斜梁。其结构特点是,所述刚性斜梁的上端部和下端部为水平段并置于火车轨道两侧的建筑基座上,各水平段与建筑基座连接处置有减振环。刚性斜梁的上水平段垂直固定连接所述探测器臂架,刚性斜梁的下水平段垂直固定连接所述辐射源的支座。使辐射源的射线正对与水平地面固定连接的所述校正器,校正器依次正对与刚性斜梁斜段上固定连接的所述前准直器和后准直器,辐射源射出的扇形X射线通过校正器、前准直器、后准直器、被测火车后正对探测器臂架中的探测器阵列。
在上述的减振结构中,所述减振环为刚性弹簧。
在上述的减振结构中,所述减振环为弹性橡胶垫。
在上述的减振结构中,所述辐射源采用直线电子加速器或者同位素。
在上述的减振结构中,所述刚性斜梁的斜段上与探测器臂架的垂直面之间置有起加强刚性作用的角架。
本发明所提供的扫描臂刚性化减振结构,由于将辐射源、前准直器、后准直器及带探测器阵列的探测器臂架均连接在刚性斜梁上,由于刚性斜梁的安装距离远离轨道,并且在刚性斜梁与建筑基座之间置有减振环。因此,可以有效地减弱由于轨道对刚性斜梁产生振动的影响,大大减弱了振动效率。如果还有残余振动,刚性斜梁上所固定设备也是同频振动,而不会影响扫描成像。同现有技术相比,本发明设计合理、适应性强、结构可靠、成像稳定、空间占用小。
下面结合附图和具体的实施方式对本发明做进一步的说明。
附图说明
附图是本发明的结构安装示意图。
具体实施方式
参看附图,本发明包括采用直线电子加速器或者同位素的辐射源5、校正器3、前准直器2、后准直器1及装有探测器阵列的探测器臂架7和刚性斜梁6。刚性斜梁6的上端部和下端部为水平段8并置于火车轨道两侧的建筑基座上,各水平段8与建筑基座连接处置有采用刚性弹簧或弹性橡胶垫的减振环4。刚性斜梁6的上水平段8垂直固定连接所述探测器臂架7,它的下水平段8垂直固定连接所述辐射源5的支座。刚性斜梁6的斜段上与探测器臂架7的垂直面之间置有起加强刚性作用的角架9。辐射源5射线正对与水平地面固定连接的所述校正器3,校正器3依次正对与刚性斜梁6斜段上固定连接的所述前准直器2和后准直器1,使辐射源5射出的扇形X射线通过校正器3、前准直器2、后准直器1、被测火车后正对探测器臂架7中的探测器阵列。
本发明在使用时,依次连接在刚性斜梁6上的辐射源5、前准直器2和后准直器1位于火车轨道的一侧,带探测器阵列的探测器臂架7位于火车轨道的另一侧。当被检测的火车沿着轨道通过本发明时,辐射源5射出的扇形X射线穿过前准直器2、后准直器1、被测火车后正对探测器臂架7中的探测器阵列,实现对火车的辐射成像扫描检测。

Claims (5)

1、一种辐射成像火车检测系统的扫描臂刚性化减振结构,它包括辐射源(5)、校正器(3)、前准直器(2)、后准直器(1)及装有探测器阵列的探测器臂架(7)和刚性斜梁(6),其特征在于,所述刚性斜梁(6)的上端部和下端部为水平段(8)并置于火车轨道两侧的建筑基座上,各水平段(8)与建筑基座连接处置有减振环(4),刚性斜梁(6)的上水平段(8)垂直固定连接所述探测器臂架(7),刚性斜梁(6)的下水平段(8)垂直固定连接所述辐射源(5)的支座,使辐射源(5)的射线正对与水平地面固定连接的所述校正器(3),校正器(3)依次正对与刚性斜梁(6)斜段上固定连接的所述前准直器(2)和后准直器(1),辐射源(5)射出的扇形X射线通过校正器(3)、前准直器(2)、后准直器(1)、被测火车后正对探测器臂架(7)中的探测器阵列。
2、根据权利要求1所述的扫描臂刚性化减振结构,其特征在于,所述减振环(4)为刚性弹簧。
3、根据权利要求1所述的扫描臂刚性化减振结构,其特征在于,所述减振环(4)为弹性橡胶垫。
4、根据权利要求1、2或3所述的扫描臂刚性化减振结构,其特征在于,所述辐射源(5)采用直线电子加速器或者同位素。
5、根据权利要求4所述的扫描臂刚性化减振结构,其特征在于,所述刚性斜梁(6)的斜段上与探测器臂架(7)的垂直面之间置有起加强刚性作用的角架(9)。
CNB2004100098881A 2004-11-26 2004-11-26 一种辐射成像火车检测系统的扫描臂刚性化减振结构 Expired - Fee Related CN100573114C (zh)

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DE102005054642A DE102005054642B8 (de) 2004-11-26 2005-11-10 Bestrahlungsabbildungssystem zur Inspektion eines Zugwaggons mit einem Abtastungsarm
US11/285,974 US7302035B2 (en) 2004-11-26 2005-11-23 Scanning arm and train inspection system by imaging through radiation having the scanning arm
GB0524052A GB2420684B (en) 2004-11-26 2005-11-25 Train inspection system and scanning arm therefor

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GB2420684B (en) 2007-04-04
DE102005054642A8 (de) 2012-12-06
US7302035B2 (en) 2007-11-27
CN1779447A (zh) 2006-05-31
DE102005054642B4 (de) 2013-01-03
DE102005054642A1 (de) 2006-06-01

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