A radiographic automatic detection device for girth welds of small cylinders
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An automatic detection device and girth weld technology, applied in the field of X-ray detection, can solve the problems of no description or report, no collection of similar data at home and abroad, etc., to reduce tediousness and labor intensity, ensure process stability, Realize the effect of automation
Active Publication Date: 2019-03-29
SHANGHAI SPACE PRECISION MACHINERY RES INST
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[0003] At present, there is no description or report of similar technology to the present invention, nor have similar materials at home and abroad been collected
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[0024] The following is a detailed description of the embodiments of the present invention: this embodiment is implemented on the premise of the technical solution of the present invention, and provides detailed implementation methods and specific operation processes. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention.
[0025] Please also see figure 1 and figure 2 .
[0026] Such as figure 1 As shown, a preferred embodiment of the present invention provides a small-scale cylinder girth weld automatic radiation detection device, including: a circumferential X-ray machine 1, a hoop 2, a lifting platform 3, a rotating head 4, a camera 5, a half Circular angle ruler 6, laser range finder 7, laser locator 8, "T" type laser range finder 9, telescopic hinge 10, front drive wheel 11, position encoder 12, r...
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Abstract
The invention provides a ray automatic detection apparatus for small cylinder girth joint. The apparatus comprises a circumferential X-ray machine, a hoop, an elevation platform, a rotation head, a pick-up head, a semicircular angle ruler, a laser range finder, a laser positioning device, a T type laser range finder, a telescoping hinge, a front driving wheel, a position coder, a rear driving wheel, a base, a circumferential X-ray machine control cable, a moving vehicle data control cable, a cable guide wheel, a cable guiding control device, a motor, a cable collection roller, a ray machine controller, a moving vehicle controller, a circular scaled ruler, a film, and a rubber ring. The provided apparatus solves the problems that the detection efficiency of a common oriented X-ray machine is low and a circumferential X-ray detection ray machine is hard to move and position; the tedious steps such as cylinder hoisting, cylinder rotation, and the like, during the girth joint detection process are avoided; moreover, there is no special requirement on the detection location, and the high efficient and automatic detection of inner defects of multiple girth joints of cylinders with different sizes and small diameters is effectively realized.
Description
technical field [0001] The invention relates to a device and method in the field of X-ray detection, in particular to a ray automatic detection device for girth welds of small cylinders. Background technique [0002] X-ray inspection technology, as one of the non-destructive inspection technologies commonly used in weld internal defect detection, is widely used in aviation, aerospace, shipbuilding, petrochemical, special equipment manufacturing and other fields. At present, there are two kinds of transillumination methods for X-ray machines commonly used: one is directional X-ray machine, the transillumination radiation angle is relatively fixed, and the transillumination efficiency is low, which is mainly used in the detection of straight welds; the other is circumferential The X-ray machine, with its transillumination radiation angle of 360° and high transillumination efficiency, is widely used in the inspection of girth welds. At the same time, the application of the cir...
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