Telescopic Linear Motion Wiring Layout for Slack Suppression
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Solution Overview
Problem
The linear motion mechanism in robotic devices experiences excess wire length and slack, leading to interference with peripheral components and devices, necessitating increased system size to mitigate these issues.
Innovation Solution
A telescopic linear motion mechanism with a block row and detour member that absorbs excess wire length, allowing the wire body to be routed along the block row and detouring the wiring route to suppress slack without enlarging the system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the wire body is routed along the arm part, then the wiring is protected and organized, but excess wire length occurs causing slack that interferes with peripheral components
Solution Approach 1:
A detour member is introduced as an intermediary component between the wire body and the arm part. The detour member has a winding portion that the wire body passes through, allowing the wire to be guided and organized while the detour member itself absorbs the excess wire length through its winding structure, preventing slack from interfering with peripheral components
Solution Approach 2:
The detour member utilizes the radial dimension by extending outward from the arm part. The winding portion of the detour member creates a three-dimensional path for the wire body, transforming the linear routing problem into a spatial solution where excess wire length is absorbed in the radial direction rather than causing interference in the operational space
2Object-affected harmful factors
If the size of the linear motion mechanism is increased to provide more internal space, then components can be placed away from the wiring route, but the overall system size increases
Solution Approach 1:
The detour member serves multiple functions simultaneously: it guides and protects the wire body along the arm part, absorbs excess wire length through its winding portion, and prevents slack from interfering with peripheral components. This multi-functional component eliminates the need for increased internal space while solving the wiring interference problem
3Volume of moving object
If the wire body is routed outside the arm part, then internal space is reduced, but the slack of the wire body causes interference with peripheral devices
Solution Approach 1:
The detour member acts as a mediator that allows the wire body to be routed along the arm part while preventing the wire from extending outward to interfere with peripheral devices. The detour member's winding portion contains the excess wire length, serving as a buffer that eliminates interference with external devices
Data Source
AI summary
A linear motion mechanism has a plurality of linear motion elements assembled telescopically in multiple stages, and a block row connected to the linear motion elements and configured to drive the linear motion elements. A drive mechanism feeds the block row from an accommodating portion to extend the linear motion elements and pulls back the block row to the housing to contract the linear motion elements. The wire body is wired along the block row. A detour member is provided to absorb the excess length of the wire body which varies as the block row is fed and pulled back.