Motorized Self-Tightening Nut for Vibration-Loosening Control
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Solution Overview
Problem
Mechanical systems, such as motors, face issues with loose connections due to vibrations, which can cause significant damage over time if not addressed.
Innovation Solution
Self-tightening nuts and bolts equipped with motorized threads and controllers that monitor and maintain torque levels, using power sources like solar or wireless charging to ensure consistent tightness and prevent loosening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional nuts and bolts are used to affix mechanical pieces, then the device complexity is low, but the reliability deteriorates due to loosening from vibrations
Solution Approach 1:
The nut incorporates a motorized thread that automatically detects and corrects loosening caused by vibrations. The system monitors its own tightness and self-adjusts to maintain proper torque, eliminating the need for external intervention and preventing connection failures.
Solution Approach 2:
The nut includes sensors that continuously monitor the tightness and torque of the connection. This feedback is sent to a controller that adjusts the motorized thread in real-time to maintain the desired torque level, ensuring reliable connections despite vibrations.
2Reliability
If motorized threads with controllers are added to nuts and bolts, then the reliability improves through automatic tightness maintenance, but the device complexity increases
Solution Approach 1:
The motorized thread, controller, sensors, and power supply are integrated into a single unified nut assembly. This merging of components simplifies the overall system architecture and reduces the number of separate parts that would otherwise be needed to achieve the same functionality.
Solution Approach 2:
The motorized nut serves multiple functions: it provides the basic fastening function of a traditional nut, automatically monitors tightness through sensors, adjusts torque through the motorized thread, and communicates system status. This multi-functionality reduces the need for separate monitoring and adjustment devices.
3Stability of the object's composition
If continuous monitoring and adjustment mechanisms are implemented, then the stability of connection is improved, but the use of energy increases
Solution Approach 1:
Instead of continuous operation, the motorized thread operates periodically based on sensor feedback. The system monitors connection tightness continuously but only activates the motor when adjustment is needed, significantly reducing energy consumption while maintaining connection stability.
Solution Approach 2:
The sensor monitoring operates continuously to detect loosening, but the corrective action is only performed when needed. This ensures the connection remains stable through continuous surveillance while minimizing energy use by activating the motorized thread only during actual adjustment events.
Data Source
AI summary
Provided in this disclosure is a self-tightening nut and bolt system. The nut and bolt system can be configured to provide a consistent level of tightness and torque to reliably attach two mechanical components together. The nut comes with a microcontroller, and a motorized thread, where the microcontroller controls the tightness of the nut. The microcontroller allows the nut's tightness to be monitored, and controlled over time. This prevents the nut from becoming loose, and allows certain levels of tightness to be controlled over time.