Composite Gate Paddle Reduces Drive Train Wear
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Solution Overview
Problem
Conventional automatic gate paddles are heavy, leading to wear on the drive train, increased maintenance costs, and safety concerns due to material wear and friction, as well as failure to meet fire safety standards.
Innovation Solution
The development of lightweight gate paddles with a composite material outer surface, including a fiber-reinforced resin and cellular reinforcement member, such as a honeycomb structure, which reduces weight and friction while meeting fire safety standards, and features a varying thickness for enhanced strength and low-friction surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional heavy materials are used for gate paddles, then structural strength is improved, but drive train wear increases and maintenance costs increase
Solution Approach 1:
The gate paddle uses a composite construction combining aluminum extrusion framework with polymeric material panels. This composite structure achieves the required structural strength while significantly reducing weight compared to conventional solid metal paddles, thereby reducing drive train wear and maintenance requirements.
Solution Approach 2:
The aluminum extrusion framework provides structural strength at critical load-bearing regions, while the polymeric panels provide lightweight coverage in non-critical areas. This localized distribution of material properties optimizes the strength-to-weight ratio, reducing overall weight without compromising structural integrity.
2Strength
If conventional outer surface materials are used, then structural integrity is maintained, but friction increases and user safety decreases
Solution Approach 1:
Different surface treatments and material properties are applied to different regions of the paddle. The polymeric panels provide low-friction, non-marring surfaces for user contact areas, while maintaining structural integrity through the composite construction. This localized optimization reduces friction and entrapment risks without compromising overall structural strength.
3Strength
If conventional materials are used for gate barriers, then structural strength is achieved, but fire safety compliance is not met
Solution Approach 1:
The composite construction using aluminum extrusion and polymeric materials provides both structural strength and fire safety compliance. The aluminum framework offers inherent fire resistance, while the polymeric panels can be formulated with fire-retardant properties, achieving both structural and safety requirements simultaneously.
Data Source
AI summary
Embodiments of the present invention may encompass gateline paddles that include a paddle body having a composite material forming an outer surface of the paddle body. The composite material may have a first surface and a second surface opposite the first surface that define an open interior therebetween. The composite material may include a fiber-reinforced resin. The paddle body may include a cellular reinforcement member disposed within the open interior. The paddle body may include a mounting region formed along a lateral edge of the paddle body. The paddle body may include a mounting block disposed within a portion of the open interior disposed within the mounting region.