Draper Belt Cleats with Fiber-Reinforced Elastomeric Rods
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Solution Overview
Problem
Draper belts in agricultural harvesting machines are prone to damage and wear, leading to exposure of fiberglass rods within the cleats, which are not durable enough and aesthetically unpleasing when exposed.
Innovation Solution
The use of fiber-reinforced elastomeric rods with a cured rubbery polymer, providing excellent lateral support, increased wear resistance, and visual similarity to the cleat material, integrated into the draper belt cleats.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If fiberglass rods are used to reinforce cleats, then structural support is provided, but durability and aesthetic appearance deteriorate due to wear and exposure
Solution Approach 1:
The patent applies composite materials by combining rubber material with fiber reinforcement (such as fiberglass or organic fibers) to create cleats that have both structural strength and durability. The fiber-reinforced rubber composite provides the necessary structural support while the rubber matrix protects the fibers from wear and environmental damage, preventing the exposure problems associated with plain fiberglass rods.
Solution Approach 2:
The patent changes the material parameters by transitioning from solid fiberglass rods to fiber-reinforced rubber composites. This parameter change includes modifying the material composition, flexibility, and wear resistance characteristics. The rubber matrix allows the reinforcement to maintain strength while gaining flexibility and protection against environmental degradation.
2Force
If rigid fiberglass rods are used for reinforcement, then lateral support is provided, but flexibility and durability worsen due to brittleness and wear
Solution Approach 1:
The fiber-reinforced rubber composite combines the lateral support capability of rigid fibers with the flexibility and durability of rubber. The fiber provides tensile strength and lateral support, while the rubber matrix provides flexibility, shock absorption, and protection against wear and environmental damage, significantly extending service life.
Solution Approach 2:
The patent changes the mechanical parameters by creating a composite material that exhibits both rigidity (from fibers) and flexibility (from rubber). This allows the cleat to maintain lateral support while accommodating movement and wear without brittle failure, extending the duration of action.
3Stability of the object's composition
If traditional rubber cleats are used, then flexibility is maintained, but durability worsens due to wear and damage from agricultural conditions
Solution Approach 1:
The fiber-reinforced rubber composite enhances the traditional rubber cleat by embedding fibers within the rubber matrix. This composite structure maintains the flexibility of rubber while adding tensile strength, wear resistance, and durability to withstand agricultural conditions such as contact with crops, soil, and equipment.
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 elastomeric rods enhance the durability and flexibility of the cleats, offering improved resistance to damage and a more aesthetically pleasing appearance when exposed, extending the service life of the draper belts.
Implementation Method 1
The elastomeric rod provides excellent lateral support to the cleat
Implementation Method 2
The elastomeric rod provides excellent lateral support to the cleat, and increased wear resistance
Data Source
AI summary
A draper belt (8) having a carry layer (14), a pulley cover layer (13), and a reinforcing layer (12) which is situated between the carry layer (14) and the pulley cover layer (13). The draper belt (8) has a first edge (30) and a second edge (31). The carry layer (14) includes a plurality of cleats (7) which run from the first edge (30) to the second edge (31) of the draper belt. The cleats (7) are reinforced with reinforcing rods which are comprised of a cured rubbery polymer which includes at least 3 phr of reinforcing fibers.