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Rotation device used for cutting fast neutron beams

A technology for rotating devices and neutron beams, used in radiation/particle processing, nuclear engineering, etc.

Inactive Publication Date: 2015-03-11
DONGGUAN NEUTRON SCI CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no real fast neutron cutting device that can be used for spallation neutron sources in China

Method used

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  • Rotation device used for cutting fast neutron beams
  • Rotation device used for cutting fast neutron beams
  • Rotation device used for cutting fast neutron beams

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] Attached below figure 1 to attach Figure 4 The present invention is described further:

[0020] Such as figure 1 and figure 2 A rotating device for cutting fast neutron beams is shown, including a rotating shaft 1, a rotating block 2 and a blocking block 3, the rotating shaft 1 is equipped with a copper sleeve 4, and the two sides of the bearing sleeve are provided with bearing sleeve shoulders , when assembling, first heat the copper shaft sleeve 4 in the heating box and then assemble it on the rotating shaft 1, then put the installed rotating shaft 1 and copper shaft sleeve 4 into the heating box, cool slowly to room temperature, and fix the copper shaft with bolts The shaft sleeve 4 is used to prevent the copper shaft sleeve 4 from falling off or slipping during use. There is a through hole 21 matching with the copper bushing 4 in the middle of the rotating block 2. After the rotating block 2 is pushed into the copper bushing 4, it is locked with a stop washer ...

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PUM

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Abstract

The invention relates to the technology field of spallation neutron source correlation equipment of the particle physics and nuclear physics technology and particularly relates to a rotation device used for cutting fast neutron beams. The rotation device comprises a rotation shaft, a rotation block and a stopping block, wherein the rotation block is fixedly mounted at one end of the rotation shaft, and the stopping block is fixedly mounted on the rotation block; during use, the rotation shaft and an internal type motor are connected, the rotation block is driven by the motor to rotate, so the stopping block is further driven to rotate; as the motor and the rotation block are coaxial, precise control on a rotation angle of the rotation block can be realized, through control on a rotation speed of the rotation block, fast neutron beams are guaranteed to point to the stopping block when the fast neutron beams pass, the fast neutron beams are blocked or absorbed, and needed pulse neutron beams are permitted to pass at other time.

Description

technical field [0001] The invention relates to the technical field of equipment related to spallation neutron sources in particle physics and nuclear physics technology, in particular to a rotating device for cutting fast neutron beams. Background technique [0002] Spallation neutron source is used as a detection method to study the microstructure of materials. Advanced neutron sources are the basis of neutron scientific research and can provide necessary tools for the study of material microstructure and motion state. Accelerated proton bombardment of a tungsten target produces a pulsed neutron beam, which also produces a fast neutron beam. The fast neutron beam is emitted at the zero moment of each neutron beam pulse cycle, and is transmitted along the conduit along with the neutron beam. If all the neutron beams reach the sample, it will cause a great background to the test results. Therefore, during the transmission process of the fast neutron beam along the catheter,...

Claims

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Application Information

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IPC IPC(8): G21K1/00
CPCG21K1/00G21K2201/00
Inventor 耿艳胜王平张清
Owner DONGGUAN NEUTRON SCI CENT