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Radiation-shielded door

A radiation protection and radiation absorption technology, which is applied in nuclear radiation exploration, geophysical measurement, instruments, etc., can solve the problems of overhanging or flipping, and achieve the effect of improving the safety of radiation protection and reliable screening

Active Publication Date: 2011-02-16
SMITHS HEIMANN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this solution is that the curtain brushes over the item to be inspected, it may remain hanging or it may also be turned over
Another disadvantage is that the curtain is pushed aside by the item and therefore no longer covers the entire opening of the channel

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] exist figure 1 Represent the radiation protection door of the present invention in perspective view, in this example it is made up of three simple shears, and each simple shear is made up of the end side of a thin plate 2 and a lever 3, and they are interconnected by a shear hinge 4. Via the end hinges 5 , the individual shears are joined together to form a Nuremberg shear, for reasons of stability there is a Nuremberg shear on both end faces of the sheet metal 2 . Guide rails 6, which can be arranged on one side or both sides of the radiation protection door 1, are used for additional stability and guidance when the door is opened and closed if necessary.

[0018] In the area of ​​the uppermost scissor hinge provide points for fixing the door, which are usually fixed in position. The adjustment (movement) of the door is preferably carried out by means of a motorized adjustment unit, which can in particular be made electric or pneumatic. Various implementation possibi...

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PUM

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Abstract

The invention relates to a radiation-shielded door, especially for use in an X-ray testing device. Radiation shielded closures in the form of lead curtains are disadvantageous in that they graze the object to be tested, thereby impairing the same and no longer covering the entire opening of the radiation tunnel. These disadvantages can be avoided by using a radiation-shielded door which is configured by at least two movably arranged, radiation-absorbing lamellae (2) forming the door (1), the faces of which are levers interlinked to give a lazy tongs-type mechanism.

Description

technical field [0001] The invention relates to a radiation protection door, in particular in an X-ray examination system. Background technique [0002] In the field of non-intrusive inspection of objects such as luggage or parcels, X-ray inspection devices are often used. In this case, the object to be inspected is usually passed through a radiation channel by means of a conveying device. It is important here that no or very little radiation leaks out of the ray channel. It is known from the prior art (cf. DE 10131407 A1, for example) that the tunnel inlet and outlet are closed by means of a radiation protection curtain made of lead. The disadvantage of this solution is that the curtain brushes over the item to be tested, it may remain hanging or it may also be turned over. Another disadvantage is that the curtain is pushed aside by the item and thus no longer covers the entire opening of the passageway. Contents of the invention [0003] Starting from this prior art,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G21F3/00
CPCG21Y2002/501G21Y2004/303G21Y2002/304G21F3/00G21Y2002/207G01V5/20
Inventor A·施特赖尔
Owner SMITHS HEIMANN
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