Modular Conveyor Belt Link With Balanced Hinge Knuckles
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Solution Overview
Problem
Conventional conveyor belts with tab attachments suffer from reduced tensile strength and deformation due to V-shaped connections and asymmetric shapes, which compromise their uplift prevention capabilities and require specific modular link arrangements for guide-engaging sections.
Innovation Solution
A conveyor belt design featuring modular links with laterally displaced hinge knuckles and guide-engaging sections that maintain tensile strength, prevent twisting, and allow for easy incorporation at various positions, using a symmetrical configuration with axially aligned pin holes and a third pin hole positioned between the other two, ensuring balanced cross-sectional areas for optimized strength and reduced material usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a tab attachment is added to prevent uplift, then uplift prevention capability is improved, but tensile strength decreases due to V-shaped connection
Solution Approach 1:
The modular link is divided into separate components: a base link and a guide-engaging section that can be attached separately. This segmentation allows the uplift prevention function to be added without compromising the structural integrity of the main link body, as the guide-engaging section is connected through properly aligned pin holes rather than V-shaped connections.
Solution Approach 2:
The pin holes in the guide-engaging section are pre-positioned to align with the pin holes of the base link. This preliminary positioning ensures that when the components are assembled, the connections are linear and properly aligned, maintaining tensile strength while providing uplift prevention capability.
2Adaptability or versatility
If boss sections are arranged in staggered pattern, then modular link flexibility is improved, but tab attachment shape becomes asymmetric causing deformation
Solution Approach 1:
The guide-engaging section is designed with asymmetric pin hole positioning relative to the staggered boss sections, but the overall configuration creates a balanced structure. The pin holes are positioned to align with the staggered pattern of the base link, creating a symmetric load path that prevents deformation while maintaining the flexibility benefits of staggered boss sections.
3Reliability
If guide-engaging section is made as integral part extending full width, then uplift prevention is improved, but device complexity increases requiring different modular links for different positions
Solution Approach 1:
The guide-engaging section is designed as a universal component that can be attached to any modular link through standardized pin hole alignment. This universal design allows the same guide-engaging section to be used at different positions and configurations along the conveyor belt, eliminating the need to manufacture different types of modular links for different guide positions.
Data Source
AI summary
In a conveyor belt composed of hinged modular links, one or more of the links are composed of multiple parts at least one of which is in the form of an guide-engaging element having a protruding guide-engaging section, a pair of laterally spaced hinge knuckles on a leading or trailing edge of a base, and a single hinge knuckle on the opposite edge. The single hinge knuckle is positioned opposite the mid point between the two laterally spaced hinge knuckles. The sum of the cross-sectional areas of the two laterally spaced hinge knuckles is equal to the cross-sectional area of the single hinge knuckle. The widthwise cross-sectional area of the base of the guide-engaging element is equal to the widthwise cross-sectional area of any portion of the base of any other modular link in the belt having the same width as that of the base of the guide-engaging element.