Robot Cable Routing via Dynamic Effector Guides
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Solution Overview
Problem
The movement system of robots is affected by the stability and appearance design constraints imposed by cable wiring, where insufficient cable margins lead to damage and excessive cable lengths cause material waste and design restrictions.
Innovation Solution
A robot design featuring bundles of cables that are strategically routed along the outer surfaces and through gaps between effectors, reducing the risk of cable damage and material waste while allowing for efficient movement and maintaining a clean appearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If cable margins are made short to reduce material waste and cost, then material efficiency improves, but cable stability deteriorates and cables may be damaged or broken during robot movement
Solution Approach 1:
The cable management system transitions from static cable routing to dynamic cable management where cables are actively guided through guide structures that move with the effector. This allows cable length to adapt dynamically during robot movement, preventing both excessive slack and tension-induced damage.
Solution Approach 2:
A cable guide structure acts as an intermediary between the effector and cables, providing a controlled path for cable routing. This intermediary component manages cable deployment and retraction, ensuring cables maintain appropriate tension and positioning during effector movement.
2Reliability
If cable margins are made long to ensure sufficient deployment space and prevent cable damage, then cable stability improves, but material waste increases and robot case design becomes restricted
Solution Approach 1:
The cable management system transitions from static cable routing to dynamic cable management where cables are actively guided through guide structures that move with the effector. This allows cable length to adapt dynamically during robot movement, preventing both excessive slack and tension-induced damage.
Solution Approach 2:
A cable guide structure acts as an intermediary between the effector and cables, providing a controlled path for cable routing. This intermediary component manages cable deployment and retraction, ensuring cables maintain appropriate tension and positioning during effector movement.
3Reliability
If cable margins are made long to prevent cable damage during movement, then cable stability improves, but robot appearance design deteriorates due to cable interference with case design
Solution Approach 1:
A cable guide structure acts as an intermediary between the effector and cables, providing a controlled path for cable routing. This intermediary component manages cable deployment and retraction, ensuring cables maintain appropriate tension and positioning during effector movement.
Solution Approach 2:
The cable guide structure utilizes flexible components that can adapt to the robot's case geometry, allowing cables to be routed through narrow spaces without compromising either cable stability or the robot's appearance design.
4Reliability
If sufficient cable deployment space is provided to prevent cable damage, then cable stability improves, but device complexity increases due to restricted case design
Solution Approach 1:
The cable management system transitions from static cable routing to dynamic cable management where cables are actively guided through guide structures that move with the effector. This allows cable length to adapt dynamically during robot movement, preventing both excessive slack and tension-induced damage.
Solution Approach 2:
A cable guide structure acts as an intermediary between the effector and cables, providing a controlled path for cable routing. This intermediary component manages cable deployment and retraction, ensuring cables maintain appropriate tension and positioning during effector movement.
Data Source
AI summary
A robot includes a robot torso, a robot arm, a main controller, and a plurality of bundles of cables; wherein a plurality of shoulder effectors are configured to drive the robot arm to move are disposed on the robot torso, a plurality of arm effectors that are relatively movable are disposed in sequence on the robot arm, and the main controller is disposed on the robot torso and configured to control a corresponding effector to operate, such that the robot arm has a plurality of degrees of freedom; any adjacent two of the main controller, the plurality of shoulder effectors, and the plurality of arm effectors are electrically connected by a cable bundle, each of the plurality of bundles of cables is disposed on an outer surface of the shoulder effector or the arm effector which the bundle of cables travels through.