Rotating Resistance Assembly With Viscous Damping Step Control
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Solution Overview
Problem
Existing resistance devices face issues of inaccurate resistance adjustment, complex structure, high cost, and low stability due to frictional heat generation and electromagnetic complexity.
Innovation Solution
A rotating resistance device with a damping assembly comprising damping units, scraping components, and a linkage mechanism that adjusts the number of damping wheels connected to a rotating wheel, using damping adhesive for precise resistance control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If friction-based resistance mechanism is used, then resistance force is generated, but thermal fatigue and inaccurate resistance adjustment occur
Solution Approach 1:
The patent replaces the friction-based mechanical resistance system with a magnetic resistance system. The resistance wheel interacts with the friction plate through magnetic force instead of direct friction contact, eliminating thermal fatigue while maintaining resistance force generation capability.
Solution Approach 2:
The patent introduces a friction plate as an intermediary element that interacts with the resistance wheel through magnetic force. This intermediary allows resistance adjustment without direct friction contact between the resistance wheel and the adjustment mechanism, preventing thermal fatigue and improving adjustment accuracy.
2Force
If electromagnetic resistance mechanism is used, then resistance force is generated, but structural complexity and cost increase
Solution Approach 1:
The patent extracts and eliminates unnecessary electromagnetic components such as the rotor, stator, and circuit board from the resistance mechanism. Only the essential magnetic interaction elements are retained, significantly simplifying the structure while maintaining resistance force generation.
Solution Approach 2:
The patent uses simple, inexpensive magnetic components instead of complex electromagnetic systems. The resistance mechanism relies on basic magnetic force interaction between the resistance wheel and friction plate, avoiding the need for expensive electromagnetic coils, magnets, and control electronics.
3Force
If electromagnetic resistance mechanism is used, then resistance force is generated, but resistance adjustment to very high levels becomes difficult
Solution Approach 1:
The patent implements a dynamic resistance adjustment mechanism where the friction plate can be positioned at different distances from the resistance wheel. By changing the gap distance, the magnetic force interaction varies, allowing continuous adjustment of resistance force from low to very high levels.
Solution Approach 2:
The patent adjusts the resistance force by changing the physical parameter of the gap distance between the friction plate and resistance wheel. This simple parameter change allows wide-range resistance adjustment without requiring complex electromagnetic control systems.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables precise, stable, and cost-effective resistance adjustment without thermal fatigue, maintaining long-term stability and simplicity.
Implementation Method 1
a damping adhesive is arranged between the damping wheel and the surface of the fixed disc; the damping wheel is rotatably arranged, and a surface of the fixed disc is cooperated with the damping wheel
Data Source
AI summary
A rotating resistance device, including a main shaft and a damping assembly; a rotating wheel is mounted on the main shaft; a damping wheel is rotatably arranged, and a surface of the fixed disc is cooperated with the damping wheel; a damping adhesive is arranged between the damping wheel and the surface of the fixed disc; a scraping component is provided on the damping wheel; the rotating wheel is connected to the damping assembly and configured to adjust a number of the damping units linked to the rotating wheel. The adjustment of the resistance value follows a stepwise change, and the adjustment precision is very high, allowing for precise tuning to the desired resistance value based on actual needs. Moreover, after long-term use, the resistance value remains largely stable without significant degradation, and there is no thermal fatigue, eliminating the need for heat dissipation.