Hybrid Drive Belt Height Control for Uniform Load Distribution
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional hybrid drive belts experience increased wear and reduced power transmission capacity due to excessive height differences in the transverse direction, leading to lateral forces and localized overloading.
Innovation Solution
A drive belt design with a maximum height difference of 0.2% of its width, incorporating reinforcing elements and a base body with elastomeric material and polyamide fabric layers, featuring both frictional and positive power transmission capabilities, and utilizing aramid fibers to enhance stiffness and friction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional hybrid drive belts are used with traditional manufacturing methods, then manufacturing flexibility is maintained, but excessive height differences occur leading to lateral forces and localized overloading
Solution Approach 1:
The patent applies parameter changes by strictly controlling the height difference parameter to a maximum of 0.2% of the belt width. This precise parameter control ensures uniform force distribution across the belt width, preventing lateral forces and localized overloading that cause excessive wear in conventional belts.
Solution Approach 2:
The patent uses composite materials consisting of polyamide fabric layers combined with elastomeric material. This composite structure provides both the structural integrity needed to maintain uniform height across the belt width and the friction characteristics required for reliable power transmission, thereby improving both manufacturing precision and wear resistance.
2Power
If conventional hybrid drive belts are used, then design flexibility is maintained, but power transmission capacity is reduced due to uneven loading
Solution Approach 1:
By controlling the height difference parameter to maximum 0.2% of belt width, the patent ensures uniform loading across the entire belt width. This uniform loading maximizes the power transmission capacity by utilizing the full cross-section of the belt effectively, preventing energy losses due to uneven stress distribution.
Solution Approach 2:
The patent achieves homogeneity in the belt structure by maintaining uniform height across the width through precise manufacturing control. This homogeneous structure ensures that all parts of the belt contribute equally to power transmission, eliminating the reduced capacity caused by localized overloading in conventional non-uniform belts.
3Duration of action of stationary object
If conventional hybrid drive belts with excessive height differences are used, then manufacturing simplicity is maintained, but service life is reduced due to localized overloading
Solution Approach 1:
The patent extends service life by controlling the height difference parameter to maximum 0.2% of belt width. This precise parameter control prevents lateral forces and localized overloading that cause premature wear, thereby significantly extending the operational life of the drive belt despite increased manufacturing precision requirements.
Solution Approach 2:
The composite structure of polyamide fabric layers and elastomeric material provides enhanced durability and uniformity. This material combination enables the belt to maintain its structural integrity and uniform height profile over extended service periods, resisting the localized overloading that typically reduces service life in conventional belts.
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
The drive belt achieves uniform force distribution, preventing local overloading and extending service life while increasing power transmission capacity and efficiency.
Implementation Method 1
The drive belt wraps around a drive pulley or roller and at least one driven pulley or roller over a partial circumference or wrap angle, transmitting forces through friction and/or positive engagement
Implementation Method 2
In the direction of power transmission, i.e., in the direction of movement, tension members such as steel cables or textile tension members are embedded in the belt body
Data Source
Figure 1~2
AI summary
The invention relates to a drive belt 1 with a width b extending in the transverse direction Y, comprising a base body 2, wherein a plurality of reinforcing elements 4 are arranged within the base body 2 in a longitudinal direction X and are enclosed by the base body 2. A height difference Δh in the transverse direction Y is a maximum of 0.2% of the width b.