Ray detection system and method for performing nondestructive testing on object by using rays
A technology for ray detection and object detection, which is applied in the system field of non-destructive detection of objects, can solve the problems of low detection accuracy and achieve the effect of accurate judgment.
Inactive Publication Date: 2010-06-16
NUCTECH CO LTD +2
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However, most of the detection equipment in the prior art belongs to low-energy ray or special-purpose detection equipment. For the general-purpose high-energy ray detection equipment for large-scale workpiece detection, there are still many defects, especially the detection accuracy is still very low.
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[0015] The present invention will be further described below with reference to the accompanying drawings, wherein the same symbols in the various figures represent the same components.
[0016] see Figure 1-Figure 3 , the high-precision high-energy ray DR / CT nondestructive testing system of the present invention includes a radiation source 1 for emitting X-ray beams and a detector array 2 for receiving X-ray signals, and the radiation source and the detector array are relatively installed on the main frame 3 top and bottom of . An equipment base 4 is installed on the foundation below the detector beam, and a guide rail 4-1, a lead screw 4-2 and a drive motor 4-3 are installed on the equipment base 4, and the slide block of the guide rail 4-1 is connected The sliding seat 5 is driven by the lead screw 4-2 and the driving motor 4-3 to make a precise reciprocating motion along the guide rail 4-1 on the equipment base 4; there is a carrying trolley above the sliding seat 5 6. D...
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The invention discloses a ray detection system and a method for performing nondestructive testing on an object by using rays. The detection system comprises a radiation source, a detector array, a carrier, a first translation device and a second translation device, wherein the radiation source is used for emitting scanning rays; the detector array is separated from the radiation source along the vertical direction, is fixedly arranged relative to the radiation source, and is used for receiving the rays emitted by the radiation source; the carrier is used for carrying the detected object; the first translation device can make the detected object move between the radiation source and the detector array along a first direction; the second translation device can make the detected object move between the radiation source and the detector array along a second direction which is basically vertical to the first direction; the second translation device is arranged on the first translation device; and the carrier is arranged on the second translation device. The system can perform DR scanning on the detected object at an arbitrary angle so as to improve the accuracy of detection; and the system also can perform second-generation and third-generation CT tomoscanning on major positions of the detected object so as to accurately judge internal defects.
Description
technical field [0001] The invention relates to a system and method for non-destructive detection of objects, in particular to a system and method for non-destructive detection of objects using radiation imaging technology. Background technique [0002] Existing non-destructive testing techniques mainly include ray, ultrasonic, magnetic particle, penetration testing and so on. In recent years, different types of industrial CTs have come out continuously, greatly enriching the detection means, for example, see CN1936554A shared by the applicant. However, most of the detection equipment in the prior art belongs to low-energy ray or special-purpose detection equipment. There are still many defects in the general-purpose high-energy ray detection equipment for large-scale workpiece detection, especially the detection accuracy is still very low. Contents of the invention [0003] The object of the present invention is to provide a radiation detection system and a method for no...
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Inventor 李元景陈志强李荐民吴玉成杨光肖永顺孙尚民张克叶梁苏建军陆宏宇叶青雍涛姜海涛李建军万静何正军王东宇陈少锋周立英
Owner NUCTECH CO LTD