X-ray CT Lock Mechanism for Maintenance Access
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Solution Overview
Problem
The existing X-ray CT apparatus maintenance process is hindered by the need for operators to engage deep-set lock mechanisms, leading to decreased workability.
Innovation Solution
The X-ray CT apparatus incorporates a lock mechanism with a fixing shaft and a support member that includes lock fixing units, allowing for easy engagement and disengagement, and an indicator to confirm the locked or unlocked state.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the lock mechanism and fixing hole are located at a deep position, then the rotation frame can be securely locked, but the workability of maintenance decreases
Solution Approach 1:
The patent introduces a movable support member that translates the lock mechanism from a deep fixed position to an accessible position near the opening. The support member moves along a guide groove, allowing the fixing shaft to engage with the fixing hole at different positions - deep during operation for security, and accessible during maintenance for ease of operation.
2Ease of operation
If the lock mechanism is made accessible, then maintenance workability improves, but the security of locking may be compromised
Solution Approach 1:
The support member is designed to be movable rather than fixed, allowing it to dynamically adjust its position. During maintenance, it moves to bring the lock mechanism close to the opening for easy access. During operation, it secures the lock mechanism at the proper deep position to ensure reliable locking, thus maintaining both accessibility and security.
3Manufacturing precision
If multiple lock fixing units are provided, then positioning precision improves, but device complexity increases
Solution Approach 1:
The locking system is divided into multiple lock fixing units (first, second, third units) that can be engaged independently or in combination. Each unit corresponds to specific component positions, allowing precise positioning of components like the X-ray source and detector while maintaining a modular, manageable structure rather than a single complex locking system.
Data Source
AI summary
An object is to provide an X-ray CT apparatus capable of improving workability of maintenance. An X-ray CT apparatus includes a plurality of components including an X-ray source and an X-ray detector; a rotation frame on which the plurality of components are mounted and which rotates; and a support frame that rotatably supports the rotation frame, in which the support frame includes one or more lock mechanisms including a fixing shaft and a support member that movably supports the fixing shaft, the support frame includes one or more lock fixing units engageable with the fixing shaft, and the lock mechanism switches between a locked state in which rotation of the rotation frame is restricted and an unlocked state in which the rotation of the rotation frame is allowed.