Dual-Belt Tension Equalization for Multi-Motor Power Transmission
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Solution Overview
Problem
In existing power transmission systems with multiple drive sources, variations in tension and load among multiple belts can occur, leading to potential durability issues and errors.
Innovation Solution
A power transmission device with a first and second pulley driven by separate drive sources, each connected by a power transmission belt, and a shared load applying mechanism, such as a spring member, to equalize tension and load application on both belts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If multiple power transmission belts are used to drive a single object, then the driving force is distributed across multiple motors, but tension varies and load varies among the motors
Solution Approach 1:
The patent merges the tension application functions into a single integrated tensioner that simultaneously applies tension to multiple power transmission belts. This unified tensioning mechanism ensures uniform tension distribution across all belts, preventing the tension variation problem that occurs when separate tensioners are used for each belt.
Solution Approach 2:
The tensioner is designed with multi-functionality, serving as a single component that tensions multiple belts and distributes load evenly across all drive motors. This universal tensioning approach eliminates the need for individual tensioners for each belt, thereby ensuring consistent tension and load distribution.
2Ease of operation
If separate tensioners are used for each power transmission belt, then each belt can be tensioned independently, but the device complexity increases
Solution Approach 1:
The patent combines multiple tensioning functions into a single tensioner component that operates on multiple belts simultaneously. This reduces the total number of tensioners from multiple individual units to one integrated unit, thereby simplifying the device structure while maintaining effective tension control.
Solution Approach 2:
The single tensioner is designed to perform multiple functions by tensioning several belts at once. This multi-functional design reduces component count and device complexity while still providing the necessary independent tension control through its integrated mechanism.
3Manufacturing precision
If multiple belts are used with separate tensioning, then each belt can be optimized individually, but load distribution becomes uneven
Solution Approach 1:
The integrated tensioner merges the tension control functions for multiple belts into a single mechanism, ensuring that tension is applied uniformly across all belts. This simultaneous tensioning approach prevents uneven load distribution that would occur with separate, independently adjusted tensioners.
Solution Approach 2:
The tensioner is designed to create equipotential tension conditions across all belts by applying equalizing force to each belt simultaneously. This ensures that all drive motors experience uniform load conditions, improving reliability and preventing premature wear on any single motor or belt.
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
This configuration ensures balanced tension and load distribution, reducing the risk of durability issues and errors by minimizing differences in belt tension and load distribution, thereby stabilizing the operation of the drive motors.
Implementation Method 1
a spring member that applies a load to the first tension applying section and applies a load to the second tension applying section
Data Source
AI summary
A power transmission device includes a first pulley driven by a first drive source; a second pulley driven by a second drive source; a first power transmission belt that is wound around the first pulley and an object to be driven and that transmits power from the first pulley to the object to be driven; a second power transmission belt that is wound around the second pulley and the object to be driven and that transmits power from the second pulley to the object to be driven; a first tension applying section that applies tension to the first power transmission belt; a second tension applying section that applies tension to the second power transmission belt; and a load applying section that applies a load to the first tension applying section and applies a load to the second tension applying section.