Belt Guiding Device with Longitudinal Ribs for Vibration Damping
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Solution Overview
Problem
Existing guiding devices for belt-driven conical-pulley transmissions face challenges in maintaining consistent belt guidance and stability due to temperature fluctuations and induced vibrations, leading to noise and wear issues.
Innovation Solution
A guiding device with a first and second guiding section, connected by a reinforcing rib structure, providing increased stability and damping capabilities, and featuring a double-T profile design with longitudinal and transverse ribs to enhance area moment of inertia and reduce vibrations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a conventional guiding device structure is used, then the device complexity is low, but the stability and vibration damping are insufficient
Solution Approach 1:
The guiding section is segmented into multiple functional elements including guide tongues, lateral edge sections, and longitudinal ribs. This segmentation allows each element to perform specific functions (guiding, stabilizing, damping) independently while working together as an integrated structure, thereby improving overall stability without proportionally increasing complexity.
Solution Approach 2:
The guiding device transitions from a two-dimensional flat structure to a three-dimensional structure by adding longitudinal ribs that extend along the length of the guiding section. This dimensional addition creates structural stiffness and vibration damping capabilities while maintaining compatibility with the existing two-dimensional guiding function between guide tongues.
2Object-generated harmful factors
If additional damping elements like metal leaf springs are added, then vibration damping improves, but device complexity and manufacturing steps increase
Solution Approach 1:
The vibration damping function is merged with the existing guiding structure by integrating longitudinal ribs directly into the guiding section. This eliminates the need for separate damping elements like metal leaf springs, as the ribs themselves provide the necessary damping while maintaining belt guidance functionality.
Solution Approach 2:
The guiding device utilizes composite material construction combining synthetic base material with reinforcing elements. This composite approach enables the structure to simultaneously provide guiding functionality and vibration damping properties through the integrated rib structure, reducing the need for additional specialized damping components.
3Reliability
If the guiding sections are positioned close together, then the device complexity is low, but the belt alignment and stability are insufficient
Solution Approach 1:
The guiding device applies local quality enhancement by adding longitudinal ribs at specific locations within the guiding sections rather than uniformly throughout. These ribs are positioned to provide maximum structural support and belt alignment where needed, creating locally optimized zones of enhanced guidance and stability.
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 solution effectively reduces noise and wear by minimizing vibrations and maintaining belt alignment, while eliminating the need for additional elements like metal leaf springs, and is producible in a single material through injection molding.
Implementation Method 1
A guiding device with a first and second guiding section, connected by a reinforcing rib structure, providing increased stability and damping capabilities, and featuring a double-T profile design with longitudinal and transverse ribs to enhance area moment of inertia and reduce vibrations.
Implementation Method 2
providing increased stability and damping capabilities, and featuring a double-T profile design with longitudinal and transverse ribs to enhance area moment of inertia and reduce vibrations
Data Source
AI summary
A guiding device for guiding a belt of a belt-driven conical-pulley transmission. The device includes a first guiding section and a second guiding section that is spaced from the first guiding section, and between which the belt is guided in a running direction. The guiding sections have a longitudinal extent that corresponds to the running direction of the belt and a transverse extent that is perpendicular thereto, and lateral edge sections that delimit the guiding sections in the transverse direction. At least one guiding section has at least one longitudinal rib that extends in the longitudinal direction and that is positioned apart from the lateral edge sections in order to improve the guiding device structurally and functionally.