Tool for central area of BNCT accelerator and use method

A central area and accelerator technology, applied in the direction of workpiece clamping devices, manufacturing tools, etc., can solve the problems that cannot be popularized and used in batches, the difficulty of installing equipment, and the decline in installation accuracy, and achieve the effect of low cost, high precision, and simple operation

Pending Publication Date: 2021-07-30
CHINA INSTITUTE OF ATOMIC ENERGY
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems of the prior art, the present invention proposes a tooling and usage method for the central area of ​​the BNCT accelerator. It is extremely difficult to install equipment and cannot be popularized and used in batches

Method used

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  • Tool for central area of BNCT accelerator and use method
  • Tool for central area of BNCT accelerator and use method
  • Tool for central area of BNCT accelerator and use method

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Embodiment Construction

[0067] Design principle of the present invention

[0068]1. Replace man-made experience with tooling. The artificial experience method is to coordinate the error of each installation hole, but the installation result has a large deviation based on artificial experience, and the total error cannot be zero, and the deviation and absolute position of each installation are different, resulting in low installation accuracy. Repeatability is also lower. The feasibility of using tooling instead of human experience lies in the use of precisely matched pins and precise positioning surfaces for positioning, which can ensure the installation accuracy and repeatability of the central area, and avoid the problem of errors caused by the size of the installation holes to the greatest extent. The design idea of ​​the tooling is: the pin hole of each pin on the tooling is precisely designed and calculated in advance, and is precisely matched with the structure of the central area. Taking each...

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Abstract

The invention discloses a tool and method for a central area of a BNCT accelerator. The deflection plate tool is used for fine positioning of a spiral deflection plate, and comprises a part, used for absolute positioning of the spiral deflection plate, of the tool and a part, used for relative positioning of the spiral deflection plate, of the tool; and the part, used for relatively positioning the spiral deflection plate, of the tool comprises relative positioning in the height direction, relative positioning in the front-back direction and relative positioning in the left-right direction between an upper deflection plate and a lower deflection plate. The invention further discloses an absolute positioning method of the deflection plate tool for the height and the horizontal direction of the lower deflection plate. According to the absolute positioning method of the deflection plate tool for the height direction and the horizontal direction of the upper deflection plate, positioning is conducted through pin holes, pins and precise positioning faces which are precisely matched on the tool, installation deviation caused by the amount of installation holes and machining errors is avoided to the maximum extent, and the unexpected effect is achieved. The tool is simple to operate, easy to implement, lower in cost and high in precision.

Description

technical field [0001] The invention belongs to the technical field of cyclotron components, and in particular relates to a tooling in the central area of ​​an accelerator used in a BNCT device and a using method. Background technique [0002] BNCT (boron neutron capture) cancer treatment is a new type of cancer treatment developed in recent years. It is one of the most advanced anti-cancer treatment technologies in the world. Position the drug and neutron capture agent, inject the drug into the human body, wait until the drug reaches a certain concentration in the tumor, use the neutron beam generated by the accelerator to irradiate the human tumor, and the neutron beam will react with the boron isotope (boron-10) Produces radioactive particles to precisely destroy cancer cells within cancer cells without accidentally injuring normal tissues. It is the only new cancer treatment technology that is currently being developed internationally that does not accidentally injure n...

Claims

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Application Information

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IPC IPC(8): B25B11/02
CPCB25B11/02
Inventor 郑侠管锋平冀鲁豫宋国芳解怀东
Owner CHINA INSTITUTE OF ATOMIC ENERGY
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