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CT tomographic scanning device of plate-shaped workpiece

A technology for tomographic scanning and plate-like workpieces, which is used in measuring devices, analyzing materials, and using radiation for material analysis to achieve the effect of precise scanning

Pending Publication Date: 2017-12-05
CHINA SPECIAL EQUIP INSPECTION & RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The object of the present invention is to provide a kind of CT tomographic scanning device of plate-shaped workpiece, thus solve the foregoing problems existing in the prior art

Method used

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  • CT tomographic scanning device of plate-shaped workpiece

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Embodiment Construction

[0019] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the present invention.

[0020] like Figure 1-3 As shown, the embodiment of the present invention provides a plate-shaped workpiece CT tomography scanning device, including: a high-frequency X-ray source 1, a digital detector 5, a rotating platform 3, a lifting mechanism 8 and a turning mechanism 11, the high-frequency X-ray - the center line of the ray beam emitted by the ray source 1 can pass through the center of the rotating platform 3 and irradiate to the center of the digital detector 5; the rotating platform 3 is a hollow direct drive motor, and the rotating platform 3 includes a hollow stator and a hollow rotor, ...

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Abstract

The invention discloses a CT tomographic scanning device of a plate-shaped workpiece and relates to the technical field of three-dimensional tomography of workpieces. The CT tomographic scanning device comprises a rotating platform, a lifting mechanism and a turnover mechanism. The rotating platform can vertically moved up and down under the action of the lifting mechanism and is turned over on the vertical plane under the action of the turnover mechanism so that the axis of the rotating platform and the vertical line form a fixed included angle. After the position of the rotating platform is adjusted under the action of the lifting mechanism and the turnover mechanism, the rotating platform can rotate on the plane where the rotating platform exists. The included angle alpha of the rotation axis and vertical line (ray beam centerline) of the plate-shaped workpiece on the rotating platform is fixed so that the thickness delta of the plate-shaped workpiece is constant and thus in motion of the plate-shaped workpiece along with the rotating platform, transmission thickness T=delta*arccos alpha of the same ray in different rotation positions of the plate-shaped workpiece is constant and the precise plate-shaped workpiece scanning is realized.

Description

technical field [0001] The invention relates to the technical field of three-dimensional tomographic imaging of workpieces, in particular to a CT tomographic scanning device for plate-shaped workpieces. Background technique [0002] At present, CT tomography scanning devices usually use horizontal rotating parts. When scanning, the workpiece is placed vertically on the rotating part. Rotate, the ray is irradiated on the workpiece, because a certain ray energy can only penetrate a certain thickness of the workpiece, so in the scanning process, the required ray transillumination energy is generally selected according to the material and thickness of the inspected workpiece, and in the scanning process In , the ray transillumination energy remains unchanged. Therefore, the CT tomography scanning device in the prior art has the characteristics of high precision and accurate positioning for the detection of approximately cylindrical workpieces, because, for approximately cylindr...

Claims

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Application Information

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IPC IPC(8): G01N23/04
CPCG01N23/046
Inventor 梁丽红代淮北张暴暴赵泓
Owner CHINA SPECIAL EQUIP INSPECTION & RES INST
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