Transmission commutator for activated sample

A technology of sample transmission and commutator, which is applied to instruments, scientific instruments, measuring devices, etc., can solve the problems of large space required for installation and operation of transmission devices, unfavorable rapid transmission of sample boxes, large working noise and vibration, etc. Compact structure, low vibration and noise, improved efficiency

Active Publication Date: 2017-12-12
INST OF NUCLEAR PHYSICS & CHEM CHINA ACADEMY OF
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the low transmission efficiency of the sample box in the commutator in the prior art, the large space required for the installation and operation of the transmission device, the large working noise...

Method used

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  • Transmission commutator for activated sample
  • Transmission commutator for activated sample
  • Transmission commutator for activated sample

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] figure 1 It is a schematic diagram of the overall structure of the activated sample transmission commutator of the present invention, figure 2 It is a schematic diagram of the top view structure of the activated sample transmission commutator of the present invention, image 3 for figure 1 A-A sectional view in . exist Figure 1~Figure 3 Among them, the activated sample transmission commutator of the present invention includes a motor 1, a cylindrical cylinder 2, a lead screw 3, a sample carrier 4, and a support 5; wherein, the shape of the sample carrier 4 is a cylinder, and its connection relationship is, The cylindrical cylinder 2 is horizontally and fixedly arranged on the bracket 5, the motor 1 is fixedly connected to the axial side of the cylindrical cylinder 2X, the lead screw 3 and the sample carrier 4 are placed in the cylindrical cylinder 2, and the sample carrier 4 The center line of the circle and the axis line of the lead screw 3 are all coincident wit...

Embodiment 2

[0032] The structure of this embodiment is the same as that of Embodiment 1, except that five flanges are arranged on the cylindrical cylinder 2, and the angle between the longitudinal axes of two adjacent flanges is 45°. Sample boxes can be delivered to four locations.

Embodiment 3

[0034] The structure of this embodiment is the same as that of Embodiment 1, the difference is that six flanges and six photoelectric sensors are arranged on the top of the in-line cylinder 2, which can transmit the sample box to five locations.

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Abstract

The invention discloses a transmission commutator for an activated sample. The transmission commutator comprises a motor, a cylinder, a lead screw, a sample loader and a support, wherein the sample loader is in a cylinder shape; the cylinder is horizontally and fixedly arranged on the support; the motor is fixedly connected with one side of the cylinder in the X axial direction; the lead screw and the sample loader are arranged in the cylinder; the circle center line of the sample loader and the axial lead of the lead screw are both superposed with the X axial lead of the cylinder; one end of the lead screw is in sliding connection with the wall of the cylinder through a bearing; the other end of the lead screw penetrates through the cylinder and is fixedly connected with a shaft of the motor; and the lead screw penetrates through the center of the sample loader and is in sliding connection with the sample loader. The transmission commutator for the activated sample, disclosed by the invention, is used as one of important and key parts in a transmission system for neutron activated samples; in-pile radiation of sample boxes and transfer of the sample boxes towards multiple working places after radiation can be realized by adopting one commutator, and the compactness of the transmission device for neutron activated sample boxes and the transmission efficiency of the sample boxes are favorably improved, and operation stability and the safety are high.

Description

technical field [0001] The invention belongs to the field of reactor neutron activation sample transmission technology and radioisotope preparation technology, and in particular relates to an activation sample transmission commutator. Background technique [0002] The samples analyzed and measured by neutron activation analysis need to be activated by thermal neutrons in the reactor, and then qualitatively and quantitatively analyzed by nuclear analysis instruments such as gamma spectrometers. For activated samples containing long-lived nuclides, like most targets used for radioisotope production, the irradiated sample box can be manually removed from the reactor irradiation pipeline, put into a lead tank and transferred to a designated place Perform sample processing or measurement. However, this method of irradiation generally requires taking and placing samples in a shutdown state, and it is often impossible to accurately control the irradiation time and irradiation dose...

Claims

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Application Information

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IPC IPC(8): G01N23/22G01N23/222
CPCG01N23/2204G01N23/222
Inventor 刘国平陈静徐存礼陈琪萍王关全胡睿党宇峰刘业兵魏洪源王定林
Owner INST OF NUCLEAR PHYSICS & CHEM CHINA ACADEMY OF
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