Beam Shaping Support Structure for BNCT Alignment and Maintenance
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Solution Overview
Problem
The alignment and separation of heavy beam shaping assembly and accelerator components in Boron Neutron Capture Therapy (BNCT) devices are challenging due to limited space, making efficient and accurate positioning difficult during operation, maintenance, and repair.
Innovation Solution
A beam shaping equipment with a supporting structure that includes a main supporting frame, auxiliary frames, and adjustable tracks and level devices, allowing for independent movement and precise positioning of modules, enabling easy separation and reassembly for improved space utilization and alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If the accelerator and beam shaping assembly are separated to provide working space for maintenance and repair, then the ease of repair is improved, but the device complexity increases due to the need for separation and reassembly mechanisms
Solution Approach 1:
The beam shaping assembly is divided into separate modules (front module and rear module) that can be independently moved along the beamline. This segmentation allows the accelerator to be separated from the beam shaping assembly for maintenance while maintaining overall system functionality through modular components.
Solution Approach 2:
The system incorporates movable and adjustable components including rails, positioning mechanisms, and level adjustment devices that enable dynamic reconfiguration. The beam shaping assembly can be moved along the beamline and adjusted to different positions, transforming a static heavy device into a dynamically reconfigurable system for easier maintenance.
2Productivity
If the beam shaping assembly and accelerator are restored to original positions after maintenance, then the productivity is improved by resuming operations, but the alignment precision deteriorates due to the difficulty of re-aligning heavy devices
Solution Approach 1:
Traditional mechanical alignment methods for heavy devices are replaced with a standardized rail and positioning system. The beam shaping assembly moves along predefined rails with indexed positioning, eliminating the need for complex manual alignment procedures and ensuring precise repositioning after maintenance.
Solution Approach 2:
The system incorporates level adjustment devices and positioning mechanisms that allow fine-tuning of the beam shaping assembly's position and orientation. By changing positional parameters through standardized adjustment mechanisms rather than manual realignment, precise alignment is achieved efficiently after maintenance operations.
3Ease of operation
If sufficient working space is provided between the beam shaping assembly and accelerator, then the ease of operation is improved for maintenance activities, but the volume of stationary object increases due to the required separation space
Solution Approach 1:
Instead of providing permanent fixed separation space, the system uses movable components that allow the beam shaping assembly to be dynamically repositioned along the beamline. This creates working space on-demand during maintenance while minimizing the overall volume requirement when the system is in operational configuration.
Data Source
AI summary
A beam shaping equipment includes a beam shaping body and a main supporting frame. The beam shaping body includes a front module and a rear module. The rear module defines a working space with the front module therebetween. The working space is configured to accommodate a neutron source. The main supporting frame is configured to support the front module and the rear module. The neutron source is configured to generate a plurality of neutrons. The beam shaping body is configured to adjust an energy spectrum of the neutrons to generate a neutron beam.