Aluminum Needle Coupling for Balers
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Solution Overview
Problem
Large square balers require improvements in productivity and efficiency, with existing binding systems being heavy and requiring significant power due to their design, leading to slower operation and increased stress on components.
Innovation Solution
The agricultural harvesting machine incorporates a lightweight binding mechanism with a delivery device featuring a yoke and needle coupling system made from aluminum, allowing for adjustable needle positioning and reduced momentum during operation, enabling faster binding and reduced power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional heavy binding systems are used, then structural strength is maintained, but power consumption increases and productivity decreases
Solution Approach 1:
The patent changes the material parameter from traditional heavy materials to aluminum alloy, fundamentally altering the weight parameter of the binding system components (yoke, needle coupling, needle). This parameter change reduces the mass of moving parts, thereby reducing the power required to accelerate and decelerate the binding system during operation, while maintaining structural strength through appropriate aluminum alloy selection and structural design.
Solution Approach 2:
The patent employs aluminum alloy as a composite material solution, combining lightweight properties with sufficient mechanical strength. The aluminum alloy binding system components replace traditional heavy materials, creating a composite structure that optimizes the strength-to-weight ratio, enabling faster operation cycles with reduced power consumption while maintaining the necessary structural integrity for binding operations.
2Speed
If traditional heavy binding systems are used, then structural integrity is maintained, but operational speed decreases
Solution Approach 1:
The patent fundamentally changes the weight parameter by transitioning from traditional heavy materials to aluminum alloy. This parameter change directly impacts the operational speed by reducing the mass that must be accelerated during each binding cycle, enabling faster operation speeds while maintaining structural integrity through appropriate aluminum alloy selection and structural design optimization.
Solution Approach 2:
The patent applies local quality optimization by designing the aluminum alloy binding system components (yoke, needle coupling, needle) with specific structural features tailored to their functional requirements. Each component is locally optimized to provide sufficient strength and rigidity at critical areas while minimizing weight, enabling faster operational speeds without compromising overall structural integrity.
3Force
If traditional heavy binding systems are used, then component strength is maintained, but acceleration and deceleration performance worsens
Solution Approach 1:
The patent changes the weight parameter by adopting aluminum alloy materials for the binding mechanism components. This parameter change improves acceleration and deceleration performance by reducing the mass that the drive system must accelerate and decelerate during each binding cycle, while the aluminum alloy structure is designed to maintain sufficient strength to withstand the forces generated during rapid acceleration and deceleration.
Solution Approach 2:
The patent optimizes the binding mechanism for dynamic operation by using lightweight aluminum alloy components that respond more quickly to acceleration and deceleration commands. The reduced mass allows the system to achieve faster acceleration rates and shorter deceleration distances, improving overall dynamic performance while the structural design ensures sufficient strength is maintained during these rapid transitions.
4Use of energy by moving object
If lightweight aluminum components are used, then power consumption is reduced, but manufacturing complexity increases
Solution Approach 1:
The patent changes the material parameter to aluminum alloy, which reduces power consumption due to the lighter weight of moving components. While aluminum alloy manufacturing may present certain complexities compared to traditional materials, the patent addresses this through standardized component designs and established aluminum fabrication processes, balancing the power consumption benefits with manageable manufacturing requirements.
Data Source
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AI summary
An agricultural harvesting machine includes a binding mechanism (152) to secure binding material around a crop package and a delivery device (154) to wrap binding material around a portion of the crop package and provide binding material to the binding mechanism (152). The delivery device (154) includes a yoke (212, 312), a needle coupling (204) connected to the yoke (212, 312), and a needle connected to the needle coupling (204).