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A magnetic channel adjustment device used in the lead-out area of ​​a superconducting cyclotron

A cyclotron and adjustment device technology, applied in magnetic resonance accelerators, accelerators, electrical components, etc., can solve the problems of destroying the vacuum environment, high cost, and many times of opening the cavity, so as to ensure the safety, reliability and reliability of sealing. High, simple structure

Active Publication Date: 2018-04-03
HEFEI CAS ION MEDICAL & TECHNICAL DEVICES CO LTD
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Problems solved by technology

[0003] At present, there are two known ways to adjust the magnetic channel in the lead-out area of ​​the accelerator. One is to destroy the vacuum environment and open the accelerator cavity for internal adjustment. This method will destroy the vacuum environment, and the uncertainty of the number of magnetic channel adjustments may lead to opening the cavity The number of times is high, which is not conducive to the safety and reliability of the vacuum seal; another method is to place the adjustment device outside the accelerator, using a very complicated control and mechanical system, and achieve fine-tuning of the position and angle of the magnetic channel in the lead-out area by controlling the motor. purpose, the system is complex and costly

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  • A magnetic channel adjustment device used in the lead-out area of ​​a superconducting cyclotron
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  • A magnetic channel adjustment device used in the lead-out area of ​​a superconducting cyclotron

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Embodiment Construction

[0034] A magnetic channel adjustment device used in the lead-out region of a superconducting cyclotron, such as Figure 1-3 As shown, the magnetic channel adjustment device is mainly composed of three parts, which are adjustment mechanism 1, adjustment mechanism 2, and separation sealing box 23; adjustment mechanism 1 and adjustment mechanism 2 mainly play the role of sealing and driving adjustment; separation and sealing The box mainly plays the role of separating and isolating the vacuum of the main engine and the vacuum of the superconducting coil. The outer tubes 21 of the adjustment mechanism 1 and the adjustment mechanism 2 are welded in the separation and sealing box. One end of the separation and sealing box is welded to the window of the lead-out area, and the other end is welded to the on the outer wall of the tile.

[0035] The structure of adjustment mechanism 1 and adjustment mechanism 2 is basically the same, but in order to realize the position and angle adjustm...

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Abstract

An adjustment device for a superconducting cyclotron lead-out zone magnet channel, comprising a first adjustment mechanism, a second adjustment mechanism and a separation seal box (23); each of the first adjustment mechanism and the second adjustment mechanism comprises a first outer tube (3), a second outer tube (6) and a third outer tube (21); each of the second outer tubes (6) of the first adjustment mechanism and the second adjustment mechanism is provided with a screw (5); one end of each screw (5) is connected to a mobile flange (12) by means of a ball bearing (10), while the other end respectively drives the first outer tube (3) of the first adjustment mechanism or the second adjustment mechanism to move forward in a rotating manner; one end of each of the third outer tubes (21) of the first adjustment mechanism and the second adjustment mechanism is welded in the separation seal box (23), a drive rod (22) is provided in each third outer tube (21), and one end of each drive rod (22) is connected to a push rod (14) in a threaded manner; and the mobile flange (12) is welded to the push rod (14). The adjustment device does not damage the vacuum environment of the cyclotron, ensuring the safe and reliable sealing of the cyclotron, having a simple structure, meeting the requirements of adjustment precision without motor driving, realizing low cost and high reliability.

Description

technical field [0001] The invention relates to an adjusting device for an accelerator lead-out area, in particular to an adjusting device for a magnetic channel in the lead-out area of ​​a superconducting cyclotron in an ultra-high vacuum environment. Background technique [0002] The superconducting cyclotron is an ultra-high vacuum container that accelerates protons / heavy ions through electromagnetic fields, and extracts the proton beams accelerated to a certain energy out of the accelerator. The magnetic channel in the extraction area is the key component for extracting protons / heavy ions, which can be focused and extracting protons / heavy ions; its position and angle have a great influence on the efficiency of extracting protons / heavy ions, so it is very important to fine-tune its position and angle according to the actual needs of the project. [0003] At present, there are two known ways to adjust the magnetic channel in the lead-out area of ​​the accelerator. One is t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05H7/04H05H13/00
CPCH05H7/04H05H13/005
Inventor 王重杜双松丁开忠李君君宋云涛
Owner HEFEI CAS ION MEDICAL & TECHNICAL DEVICES CO LTD
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