Simple film changing device on stripping target of medium-energy high-current cyclotron
A cyclotron and membrane device technology, which is applied to magnetic resonance accelerators, accelerators, electrical components, etc., can solve the problems of easy deformation and damage of carbon membranes
Active Publication Date: 2019-05-28
CHINA INSTITUTE OF ATOMIC ENERGY
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Problems solved by technology
[0006] Aiming at the deficiencies of the prior art, the present invention proposes a simple film changing device on the peeling target of a medium-energy high-current cyclotron, aiming to solve the problem that the carbon film is easily deformed and damaged in the three links of carbon film installation
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Embodiment 1
[0053] 1. The installation sequence of the simple membrane changing device. First, connect the upper cover plate 1 and the lower supporting plate 2 of the pressing film through the countersunk head screws. After placing the target frame 3 in the groove, the top plate 5 at the end of the target frame is fixed on the lower support plate 2 of the film by long screws and nuts, so as to fix the direction of the target frame 3 and prevent the target frame 3 from slipping. During the lamination operation, ensure that the target frame does not move.
[0054] 2. Carbon film installation sequence. Gently place the carbon film on the target frame 3 from the position of the chamfered groove on the upper cover plate 1 of the laminated film, and then place the platen 4 of the target frame from the slot reserved by the upper cover plate 1 Gently press the carbon film on the target frame 3, use tweezers to adjust the position of the target frame pressure plate 4 from the tweezers operation ...
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The invention discloses a simple film changing device on a stripping target of a medium-energy high-current cyclotron. The device comprises a film pressing upper cover plate, a film pressing lower bearing plate, a target frame arranged between the film pressing upper cover plate and the film pressing lower bearing plate, a target frame pressing plate arranged on a target frame step, a target frametail end top plate arranged below the target frame and used for fixing the target frame through the tail end of the target frame, and a manual film pressing column matched with a notch of the film pressing upper cover plate and having a certain height. The simple film changing device is characterized in that the film pressing upper cover plate of the simple film changing device is provided with avertical track for stably mounting a carbon film, and a transverse track for stably mounting the carbon film is formed in a film pressing lower cover plate of the simple film changing device. By using the simple film replacing device, a human participation process is greatly reduced, the randomness error is greatly avoided, the carbon film replacing speed is greatly increased, a large amount of time is saved, meanwhile, it is guaranteed that the carbon film cannot be damaged in the replacing process, the property integrity is guaranteed, and the cost is saved.
Description
technical field [0001] The invention belongs to the field of cyclotrons, and in particular relates to a simple membrane changing device used for stripping targets of medium-energy accelerators. Background technique [0002] The 100Mev high-current negative hydrogen ion cyclotron adopts the method of stripping and extracting proton beams with an energy of 75 to 100 Mev. Negative hydrogen ions pass through the carbon film and strip two electrons to become positive hydrogen ions. The carbon film is the key component in the process of stripping electrons. However, the carbon film is extremely easy to damage, so after a period of use, the carbon film needs to be repaired. replace. [0003] The traditional method of replacing the carbon film is that the operator manually completes the replacement of the carbon film on the target frame. The difficulty in replacing the carbon film is that the carbon film is extremely thin, even reaching the nm level. Traditional carbon film instal...
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IPC IPC(8): H05H7/00H05H13/00
Inventor 符振辉吕银龙李要乾姜桂林
Owner CHINA INSTITUTE OF ATOMIC ENERGY