Nylon Steel Belt Guide Wheel Assembly for Wear and Noise Reduction
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Solution Overview
Problem
Existing steel belt guide wheels made of metal materials face issues such as high wear, noise, corrosion, and high manufacturing costs, along with installation complexity and inconsistent tension leading to friction noise, which affect elevator performance and maintenance.
Innovation Solution
A steel belt guide wheel assembly made of nylon material with a connecting mechanism using fastening bolts, positioning nuts, and spacer rings, along with bearings and gluing options, to ensure consistent tension and flexible assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If metal materials (cast iron, steel) are used for steel belt guide wheels, then high strength is achieved, but wear resistance, noise level, corrosion resistance deteriorate and manufacturing cost increases
Solution Approach 1:
The patent changes the material parameter from metal to nylon, transforming the guide wheel from a high-strength but high-wear material to a wear-resistant, corrosion-resistant material with adequate strength for the application. This parameter change resolves the contradiction by selecting a material that balances all requirements rather than optimizing only for strength.
Solution Approach 2:
The patent uses nylon as a composite polymer material that combines wear resistance, corrosion resistance, and sufficient strength in a single material system, eliminating the need for metal materials that excel in strength but fail in wear and corrosion resistance.
2Manufacturing precision
If multiple steel belt guide wheels are assembled with high installation accuracy, then consistent tension is achieved, but assembly complexity and installation time increase
Solution Approach 1:
The patent divides the guide wheel system into modular units with standardized interfaces, allowing each guide wheel to be assembled independently and then connected as a module. This segmentation reduces the complexity of achieving high installation accuracy across the entire system by breaking it into manageable, repeatable units.
Solution Approach 2:
The patent designs universal guide wheel components with standardized mounting interfaces and dimensions, allowing the same component design to be used across multiple positions in the system. This universality eliminates the need for custom-fit precision assembly at each location, reducing overall assembly complexity while maintaining consistent tension.
3Strength
If heavy metal guide wheels are used, then high strength is maintained, but the load of the elevator system increases
Solution Approach 1:
The patent changes the material density parameter from high (metal) to low (nylon), significantly reducing the weight of guide wheels while maintaining sufficient strength through the material's inherent properties and optimized design. This parameter change directly addresses the contradiction by reducing weight without sacrificing necessary strength.
4Strength
If metal guide wheels are used, then high strength is achieved, but noise level increases due to lack of self-lubrication
Solution Approach 1:
The patent changes the material properties from metal to nylon, which inherently provides self-lubrication characteristics. This parameter change reduces friction and noise generation during operation while maintaining adequate strength, directly resolving the contradiction between strength and noise control.
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 nylon guide wheels reduce weight, friction noise, and manufacturing costs, provide durable and quiet operation, and facilitate easy assembly, enhancing elevator performance and reducing maintenance needs.
Implementation Method 1
the bearings are coaxially installed in wheel body channels of the guide wheels
Implementation Method 2
Although these metal materials have high strength, they have wear and noise problems, lack of self-lubrication
Data Source
AI summary
The present application discloses a steel belt guide wheel assembly comprising guide wheels and bearings, wherein the guide wheels are made of nylon, the left and right ends of the wheel surface are respectively provided with a left annular convex wall and a right annular convex wall; a belt groove is formed between the left annular convex wall and the right annular convex wall, the bearings are coaxially installed in a wheel body channel of the guide wheel, and the guide wheels can be detachably connected in pairs by a connecting mechanism or glued together by glue; the assembly has good wear resistance, low noise, light weight and high strength, which prolongs the service life, reduces the manufacturing cost and maintenance cost, helps to reduce the load of elevator system, reduces the load of driving parts, improves the riding comfort of passengers, and can be freely combined as required.